Commit info, kernel config, vmlinux, etc. are available on the CI side
on GitHub -- you need to click on the Summary button at the top left --
but I can share them here if needed.
Cheers,
Matt
[1] socat "VSOCK-LISTEN:1024,reuseaddr,fork" \
"EXEC:\"${vsock_exec}\",pty,stderr,setsid,sigint,sane,echo=0" &
[2] From:
https://github.com/multipath-tcp/mptcp_net-next/actions/runs/21723325004/job/62658752123#step:7:7288
[ 22.040424] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 22.043079] rcu: 3-...0: (1 GPs behind) idle=b87c/1/0x4000000000000000
softirq=75/76 fqs=2100
[ 22.043387] rcu: (detected by 0, t=21005 jiffies, g=-1019, q=84 ncpus=4)
[ 22.043595] Sending NMI from CPU 0 to CPUs 3:
[ 22.043627] NMI backtrace for cpu 3
[ 22.043632] CPU: 3 UID: 0 PID: 0 Comm: swapper/3 Not tainted 6.19.0-rc7+ #1
PREEMPT(voluntary)
[ 22.043635] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 22.043637] RIP: 0010:__schedule (include/linux/cpumask.h:1222)
[ 22.043643] Code: 75 b4 e8 0e d1 a7 ff 3b 45 b4 48 8b 7d b8 8b 55 a8 41 89 c4 73
66 89 c0 f0 49 0f ab 86 50 06 00 00 73 31 eb 57 89 55 a8 f3 90 <8b> 35 39 c8 6a
00 48 89 7d b8 89 75 b4 e8 d9 d0 a7 ff 3b 45 b4 48
All code
========
0: 75 b4 jne 0xffffffffffffffb6
2: e8 0e d1 a7 ff call 0xffffffffffa7d115
31: 83 c1 01 add $0x1,%ecx
34: 48 63 c1 movslq %ecx,%rax
37: 48 83 f8 3f cmp $0x3f,%rax
3b: 76 bc jbe 0xfffffffffffffff9
3d: 48 rex.W
3e: 83 .byte 0x83
3f: c4 .byte 0xc4
Code starting with the faulting instruction
===========================================
0: 8b 42 08 mov 0x8(%rdx),%eax
3: a8 01 test $0x1,%al
5: 75 f7 jne 0xfffffffffffffffe
7: 83 c1 01 add $0x1,%ecx
a: 48 63 c1 movslq %ecx,%rax
d: 48 83 f8 3f cmp $0x3f,%rax
11: 76 bc jbe 0xffffffffffffffcf
13: 48 rex.W
14: 83 .byte 0x83
15: c4 .byte 0xc4
[ 28.498759] RSP: 0018:ffa0000000397b18 EFLAGS: 00000202
[ 28.498761] RAX: 0000000000000011 RBX: ff1100017acac340 RCX: 0000000000000003
[ 28.498762] RDX: ff1100017adb0aa0 RSI: 0000000000000003 RDI: 00007f27e4acf000
[ 28.498763] RBP: 0000000000000202 R08: ff1100017adb0aa0 R09: 0000000000000003
[ 28.498763] R10: ffffffffffffffff R11: 0000000000000003 R12: 0000000081484d01
[ 28.498764] R13: 0000000000000002 R14: ff1100017ac98000 R15: 0000000000000001
[ 28.498773] FS: 00007f27e50d86c0(0000) GS:ff110001f7d77000(0000)
knlGS:0000000000000000
[ 28.498774] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 28.498775] CR2: 00007f27d8000020 CR3: 00000001009ac003 CR4: 0000000000373ef0
[ 28.498776] Call Trace:
[ 28.498817] <TASK>
[ 28.498818] ? __pfx_should_flush_tlb (arch/x86/mm/tlb.c:1298)
[ 28.498824] ? __pfx_flush_tlb_func (arch/x86/mm/tlb.c:1125)
[ 28.498825] ? unlink_anon_vmas (mm/rmap.c:438)
[ 28.498829] on_each_cpu_cond_mask (arch/x86/include/asm/preempt.h:95
(discriminator 1))
[ 28.498830] flush_tlb_mm_range (arch/x86/include/asm/paravirt.h:91)
[ 28.498832] tlb_flush_mmu_tlbonly (include/asm-generic/tlb.h:407)
[ 28.498835] tlb_finish_mmu (mm/mmu_gather.c:356)
[ 28.498837] vms_clear_ptes (mm/vma.c:1279)
[ 28.498839] vms_complete_munmap_vmas (include/linux/mm.h:2928)
[ 28.498841] do_vmi_align_munmap (mm/vma.c:1580)
[ 28.498844] do_vmi_munmap (mm/vma.c:1627)
[ 28.498846] __vm_munmap (mm/vma.c:3247)
[ 28.498849] __x64_sys_munmap (mm/mmap.c:1077 (discriminator 1))
[ 28.498850] do_syscall_64 (arch/x86/entry/syscall_64.c:63 (discriminator 1))
[ 28.498855] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:131)
[ 28.498857] RIP: 0033:0x7f27e538d7bb
[ 28.498875] Code: 73 01 c3 48 c7 c1 e0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66
2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 0b 00 00 00 0f 05 <48> 3d 01 f0 ff
ff 73 01 c3 48 c7 c1 e0 ff ff ff f7 d8 64 89 01 48
All code
========
0: 73 01 jae 0x3
2: c3 ret
3: 48 c7 c1 e0 ff ff ff mov $0xffffffffffffffe0,%rcx
a: f7 d8 neg %eax
c: 64 89 01 mov %eax,%fs:(%rcx)
f: 48 83 c8 ff or $0xffffffffffffffff,%rax
13: c3 ret
14: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1)
1b: 00 00 00
1e: 90 nop
1f: f3 0f 1e fa endbr64
23: b8 0b 00 00 00 mov $0xb,%eax
28: 0f 05 syscall
2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <--
trapping instruction
30: 73 01 jae 0x33
32: c3 ret
33: 48 c7 c1 e0 ff ff ff mov $0xffffffffffffffe0,%rcx
3a: f7 d8 neg %eax
3c: 64 89 01 mov %eax,%fs:(%rcx)
3f: 48 rex.W
Code starting with the faulting instruction
===========================================
0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax
6: 73 01 jae 0x9
8: c3 ret
9: 48 c7 c1 e0 ff ff ff mov $0xffffffffffffffe0,%rcx
10: f7 d8 neg %eax
12: 64 89 01 mov %eax,%fs:(%rcx)
15: 48 rex.W
[ 28.498876] RSP: 002b:00007f27e50d77f8 EFLAGS: 00000202 ORIG_RAX:
000000000000000b
[ 28.498878] RAX: ffffffffffffffda RBX: 0000000000009000 RCX: 00007f27e538d7bb
[ 28.498878] RDX: 00007f27e53cc280 RSI: 0000000000009000 RDI: 00007f27e4ac7000
[ 28.498879] RBP: 00007f27e50d7a80 R08: 000000000000004d R09: 0000000000000000
[ 28.498880] R10: 0000000000000008 R11: 0000000000000202 R12: 00007f27e4ac7000
[ 28.498880] R13: 00007f27e50d78a0 R14: 0000000000000001 R15: 0000000000000000
[ 28.498881] </TASK>
[3]
https://github.com/multipath-tcp/mptcp_net-next/actions/runs/21723325004/job/62658752082#step:7:7609
[ 30.907497][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 26s!
[virtme-ng-init:76]
[ 30.907506][ C1] Modules linked in:
[ 30.907510][ C1] irq event stamp: 53188
[ 30.907512][ C1] hardirqs last enabled at (53187): irqentry_exit
(kernel/entry/common.c:220)
[ 30.907521][ C1] hardirqs last disabled at (53188):
sysvec_apic_timer_interrupt (arch/x86/include/asm/hardirq.h:78)
[ 30.907526][ C1] softirqs last enabled at (52956): handle_softirqs
(kernel/softirq.c:469 (discriminator 2))
[ 30.907531][ C1] softirqs last disabled at (52951): __irq_exit_rcu
(kernel/softirq.c:657)
[ 30.907537][ C1] CPU: 1 UID: 0 PID: 76 Comm: virtme-ng-init Not tainted
6.19.0-rc7+ #1 PREEMPT(full)
[ 30.907541][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 30.907544][ C1] RIP: 0010:smp_call_function_many_cond (kernel/smp.c:351
(discriminator 5))
[ 30.907550][ C1] Code: cf 07 00 00 8b 43 08 a8 01 74 38 48 b8 00 00 00 00 00 fc
ff df 49 89 f4 48 89 f5 49 c1 ec 03 83 e5 07 49 01 c4 83 c5 03 f3 90 <41> 0f b6
04 24 40 38 c5 7c 08 84 c0 0f 85 9c 08 00 00 8b 43 08 a8
All code
========
0: cf iret
1: 07 (bad)
2: 00 00 add %al,(%rax)
4: 8b 43 08 mov 0x8(%rbx),%eax
7: a8 01 test $0x1,%al
9: 74 38 je 0x43
b: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
12: fc ff df
15: 49 89 f4 mov %rsi,%r12
18: 48 89 f5 mov %rsi,%rbp
1b: 49 c1 ec 03 shr $0x3,%r12
1f: 83 e5 07 and $0x7,%ebp
22: 49 01 c4 add %rax,%r12
25: 83 c5 03 add $0x3,%ebp
28: f3 90 pause
2a:* 41 0f b6 04 24 movzbl (%r12),%eax <-- trapping
instruction
2f: 40 38 c5 cmp %al,%bpl
32: 7c 08 jl 0x3c
34: 84 c0 test %al,%al
36: 0f 85 9c 08 00 00 jne 0x8d8
3c: 8b 43 08 mov 0x8(%rbx),%eax
3f: a8 .byte 0xa8
Code starting with the faulting instruction
===========================================
0: 41 0f b6 04 24 movzbl (%r12),%eax
5: 40 38 c5 cmp %al,%bpl
8: 7c 08 jl 0x12
a: 84 c0 test %al,%al
c: 0f 85 9c 08 00 00 jne 0x8ae
12: 8b 43 08 mov 0x8(%rbx),%eax
15: a8 .byte 0xa8
[ 30.907553][ C1] RSP: 0018:ffffc9000101f6a0 EFLAGS: 00000202
[ 30.907555][ C1] RAX: 0000000000000011 RBX: ffff888152040c00 RCX:
0000000000000000
[ 30.907557][ C1] RDX: ffff8881520ba948 RSI: ffff888152040c08 RDI:
0000000000000000
[ 30.907559][ C1] RBP: 0000000000000003 R08: 0000000000000000 R09:
0000000000000001
[ 30.907560][ C1] R10: 0000000000000001 R11: 00007f21a6200000 R12:
ffffed102a408181
[ 30.907561][ C1] R13: ffff8881520ba940 R14: ffffed102a417529 R15:
0000000000000001
[ 30.907573][ C1] FS: 00007f21a69186c0(0000) GS:ffff8881cc22e000(0000)
knlGS:0000000000000000
[ 30.907585][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 30.907587][ C1] CR2: 00007f2198000020 CR3: 0000000107149002 CR4:
0000000000370ef0
[ 30.907591][ C1] Call Trace:
[ 30.907596][ C1] <TASK>
[ 30.907603][ C1] ? __pfx_should_flush_tlb (arch/x86/mm/tlb.c:1298)
[ 30.907612][ C1] ? __pfx_flush_tlb_func (arch/x86/mm/tlb.c:1125)
[ 30.907626][ C1] ? kasan_quarantine_put
(arch/x86/include/asm/irqflags.h:26)
[ 30.907637][ C1] ? __pfx_smp_call_function_many_cond (kernel/smp.c:784)
[ 30.907646][ C1] ? kmem_cache_free (mm/slub.c:6674 (discriminator 3))
[ 30.907656][ C1] ? __pfx_should_flush_tlb (arch/x86/mm/tlb.c:1298)
[ 30.907660][ C1] on_each_cpu_cond_mask (kernel/smp.c:1044)
[ 30.907664][ C1] ? __pfx_flush_tlb_func (arch/x86/mm/tlb.c:1125)
[ 30.907669][ C1] kvm_flush_tlb_multi (arch/x86/kernel/kvm.c:666)
[ 30.907675][ C1] ? __pfx_kvm_flush_tlb_multi (arch/x86/kernel/kvm.c:666)
[ 30.907679][ C1] ? get_flush_tlb_info (arch/x86/mm/tlb.c:1434
(discriminator 1))
[ 30.907686][ C1] flush_tlb_mm_range (arch/x86/include/asm/paravirt.h:91)
[ 30.907690][ C1] ? rcu_read_lock_any_held (kernel/rcu/update.c:386
(discriminator 1))
[ 30.907695][ C1] ? __pfx_flush_tlb_mm_range (arch/x86/mm/tlb.c:1452)
[ 30.907703][ C1] tlb_flush_mmu_tlbonly (include/asm-generic/tlb.h:407)
[ 30.907712][ C1] tlb_finish_mmu (mm/mmu_gather.c:356)
[ 30.907718][ C1] vms_clear_ptes (mm/vma.c:1279)
[ 30.907724][ C1] ? vms_complete_munmap_vmas
(include/linux/mmap_lock.h:386)
[ 30.907728][ C1] ? __pfx_vms_clear_ptes (mm/vma.c:1258)
[ 30.907738][ C1] ? __pfx_mas_store_gfp (lib/maple_tree.c:5119)
[ 30.907747][ C1] vms_complete_munmap_vmas (include/linux/mm.h:2928)
[ 30.907750][ C1] ? vms_gather_munmap_vmas (mm/vma.c:1495)
[ 30.907776][ C1] do_vmi_align_munmap (mm/vma.c:1580)
[ 30.907780][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:470)
[ 30.907784][ C1] ? find_held_lock (kernel/locking/lockdep.c:5350
(discriminator 1))
[ 30.907789][ C1] ? __pfx_do_vmi_align_munmap (mm/vma.c:1561)
[ 30.907792][ C1] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[ 30.907800][ C1] ? put_pid.part.0 (arch/x86/include/asm/atomic.h:93
(discriminator 4))
[ 30.907826][ C1] do_vmi_munmap (mm/vma.c:1627)
[ 30.907832][ C1] __vm_munmap (mm/vma.c:3247)
[ 30.907837][ C1] ? __pfx___vm_munmap (mm/vma.c:3238)
[ 30.907841][ C1] ? _copy_to_user (arch/x86/include/asm/uaccess_64.h:121)
[ 30.907858][ C1] __x64_sys_munmap (mm/mmap.c:1077 (discriminator 1))
[ 30.907861][ C1] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4473)
[ 30.907863][ C1] ? do_syscall_64 (arch/x86/include/asm/irqflags.h:42)
[ 30.907866][ C1] do_syscall_64 (arch/x86/entry/syscall_64.c:63
(discriminator 1))
[ 30.907871][ C1] entry_SYSCALL_64_after_hwframe
(arch/x86/entry/entry_64.S:131)
[ 30.907875][ C1] RIP: 0033:0x7f21a6bc47bb
[ 30.907880][ C1] Code: 73 01 c3 48 c7 c1 e0 ff ff ff f7 d8 64 89 01 48 83 c8 ff
c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 0b 00 00 00 0f 05 <48> 3d 01
f0 ff ff 73 01 c3 48 c7 c1 e0 ff ff ff f7 d8 64 89 01 48
All code
========
0: 73 01 jae 0x3
2: c3 ret
3: 48 c7 c1 e0 ff ff ff mov $0xffffffffffffffe0,%rcx
a: f7 d8 neg %eax
c: 64 89 01 mov %eax,%fs:(%rcx)
f: 48 83 c8 ff or $0xffffffffffffffff,%rax
13: c3 ret
14: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1)
1b: 00 00 00
1e: 90 nop
1f: f3 0f 1e fa endbr64
23: b8 0b 00 00 00 mov $0xb,%eax
28: 0f 05 syscall
2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <--
trapping instruction
30: 73 01 jae 0x33
32: c3 ret
33: 48 c7 c1 e0 ff ff ff mov $0xffffffffffffffe0,%rcx
3a: f7 d8 neg %eax
3c: 64 89 01 mov %eax,%fs:(%rcx)
3f: 48 rex.W
Code starting with the faulting instruction
===========================================
0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax
6: 73 01 jae 0x9
8: c3 ret
9: 48 c7 c1 e0 ff ff ff mov $0xffffffffffffffe0,%rcx
10: f7 d8 neg %eax
12: 64 89 01 mov %eax,%fs:(%rcx)
15: 48 rex.W
[ 30.907882][ C1] RSP: 002b:00007f21a69177f8 EFLAGS: 00000202 ORIG_RAX:
000000000000000b
[ 30.907884][ C1] RAX: ffffffffffffffda RBX: 0000000000009000 RCX:
00007f21a6bc47bb
[ 30.907886][ C1] RDX: 00007f21a6c03280 RSI: 0000000000009000 RDI:
00007f21a62fe000
[ 30.907887][ C1] RBP: 00007f21a6917a80 R08: 0000000000000050 R09:
0000000000000000
[ 30.907889][ C1] R10: 0000000000000008 R11: 0000000000000202 R12:
00007f21a62fe000
[ 30.907890][ C1] R13: 00007f21a69178a0 R14: 0000000000000001 R15:
0000000000000000
[ 30.907902][ C1] </TASK>
[4]
https://github.com/multipath-tcp/mptcp_net-next/actions/runs/21741113372/job/62716612654#step:7:12820
[5]
https://github.com/multipath-tcp/mptcp_net-next/actions/runs/21741112047/job/62716608856#step:7:14820
[6]
https://github.com/multipath-tcp/mptcp_net-next/actions/runs/21741112047/job/62716608836#step:7:4811
# l
virt_spin_lock (lock=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/arch/x86/include/asm/qspinlock.h:106
106 goto __retry;
101 __retry:
102 val = atomic_read(&lock->val);
103
104 if (val || !atomic_try_cmpxchg(&lock->val, &val,
_Q_LOCKED_VAL)) {
105 cpu_relax();
106 goto __retry;
107 }
108
109 return true;
110 }
# bt full
#0 virt_spin_lock (lock=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/arch/x86/include/asm/qspinlock.h:106
val = <optimized out>
#1 queued_spin_lock_slowpath (lock=0xff1100017acab300, val=0x1) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/locking/qspinlock.c:141
prev = <optimized out>
next = 0x1
node = <optimized out>
old = <optimized out>
tail = <optimized out>
idx = <optimized out>
locked = <optimized out>
__vpp_verify = <optimized out>
__vpp_verify = <optimized out>
pao_ID__ = <optimized out>
pao_tmp__ = <optimized out>
pto_val__ = <optimized out>
pto_tmp__ = <optimized out>
pao_ID__ = <optimized out>
pao_tmp__ = <optimized out>
pto_val__ = <optimized out>
pto_tmp__ = <optimized out>
pao_ID__ = <optimized out>
pao_tmp__ = <optimized out>
pto_val__ = <optimized out>
pto_tmp__ = <optimized out>
#2 0xffffffff813de445 in raw_spin_rq_lock_nested (rq=0xff1100017acab300,
subclass=0x1) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/core.c:639
lock = <optimized out>
#3 0xffffffff813ef2d5 in raw_spin_rq_lock (rq=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/sched.h:1580
No locals.
#4 _raw_spin_rq_lock_irqsave (rq=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/sched.h:1600
flags = <optimized out>
__dummy = <optimized out>
__dummy2 = <optimized out>
#5 rq_lock_irqsave (rq=<optimized out>, rf=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/sched.h:1893
No locals.
#6 sched_balance_rq (this_cpu=0x7acab300, this_rq=0x1, sd=0x1,
idle=2060104448, continue_balancing=0x0) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/fair.c:11867
ld_moved = 0x1
cur_ld_moved = <optimized out>
active_balance = <optimized out>
sd_parent = <optimized out>
group = <optimized out>
busiest = <optimized out>
rf = <optimized out>
cpus = <optimized out>
env = {sd = 0xff1100010020b400, src_rq = 0xff1100017acab300, src_cpu = 0x1,
dst_cpu = 0x0, dst_rq = 0xff1100017ac2b300, dst_grpmask = 0xff110001001e4930,
new_dst_cpu = 0x0, idle = CPU_NEWLY_IDLE, imbalance = 0x1, cpus = 0xff1100017ac183e0,
flags = 0x1, loop = 0x0, loop_break = 0x20, loop_max = 0x2, fbq_type = all,
migration_type = migrate_task, tasks = <incomplete type>}
need_unlock = <optimized out>
redo = <optimized out>
more_balance = <optimized out>
__vpp_verify = <optimized out>
__dummy = <optimized out>
__dummy2 = <optimized out>
__vpp_verify = <optimized out>
#7 0xffffffff813efe9b in sched_balance_newidle (this_rq=<optimized out>,
rf=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/fair.c:12932
weight = <optimized out>
domain_cost = 0xff1100017acab300
next_balance = <optimized out>
this_cpu = 0x20b400
continue_balancing = 0x1
t0 = <optimized out>
t1 = <optimized out>
curr_cost = 0x0
sd = 0xff1100010020b400
pulled_task = 0x1
__dummy = <optimized out>
__dummy2 = <optimized out>
__dummy = <optimized out>
__dummy2 = <optimized out>
#8 pick_next_task_fair (rq=0xff1100010020b400, prev=0x1, rf=0x1) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/fair.c:8973
se = 0xfffb6e65
p = <optimized out>
new_tasks = <optimized out>
again = <optimized out>
idle = <optimized out>
simple = <optimized out>
#9 0xffffffff81e1337e in __pick_next_task (rq=<optimized out>, prev=<optimized out>,
rf=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/core.c:5890
class = 0xff1100010224aa00
p = 0xffffffff824b34a8 <fair_sched_class>
restart = <optimized out>
#10 pick_next_task (rq=<optimized out>, prev=<optimized out>, rf=<optimized
out>) at /home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/core.c:6426
No locals.
#11 __schedule (sched_mode=0x7acab300) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/core.c:6809
prev = 0xff1100010146c380
next = 0xffffffff824b34a8 <fair_sched_class>
preempt = 0x1
is_switch = 0x1
switch_count = <optimized out>
prev_state = <optimized out>
rf = <incomplete type>
rq = <optimized out>
cpu = <optimized out>
keep_resched = <optimized out>
__vpp_verify = <optimized out>
#12 0xffffffff81e14097 in __schedule_loop (sched_mode=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/core.c:6949
No locals.
#13 schedule () at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/core.c:6964
tsk = <optimized out>
#14 0xffffffff8179e372 in request_wait_answer (req=0xff11000100910160) at
/home/runner/work/mptcp_net-next/mptcp_net-next/fs/fuse/dev.c:552
__int = <optimized out>
__out = <optimized out>
__wq_entry = <incomplete type>
__ret = <optimized out>
__ret = <optimized out>
fc = 0xff110001023e6800
fiq = <optimized out>
err = <optimized out>
#15 0xffffffff8179e5a0 in __fuse_request_send (req=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/fs/fuse/dev.c:599
fiq = 0x0
#16 __fuse_simple_request (idmap=0xff1100017acab300, fm=0x1, args=0x1) at
/home/runner/work/mptcp_net-next/mptcp_net-next/fs/fuse/dev.c:693
fc = 0xff110001023e6800
req = 0xff11000100910160
ret = 0xff110001023e6800
#17 0xffffffff817a47d9 in fuse_simple_request (fm=<optimized out>, args=<optimized
out>) at /home/runner/work/mptcp_net-next/mptcp_net-next/fs/fuse/fuse_i.h:1263
No locals.
#18 fuse_lookup_name (sb=0xff1100017acab300, nodeid=0x1, name=0x1,
outarg=0xff1100017acab300, inode=0x0) at
/home/runner/work/mptcp_net-next/mptcp_net-next/fs/fuse/dir.c:574
fm = <optimized out>
args = <incomplete type>
forget = <optimized out>
attr_version = <optimized out>
evict_ctr = <optimized out>
err = 0x411620
#19 0xffffffff817a49c9 in fuse_lookup (dir=0xff11000100606a00,
entry=0xff11000100411600, flags=0x1) at
/home/runner/work/mptcp_net-next/mptcp_net-next/fs/fuse/fuse_i.h:1062
outarg = <incomplete type>
fc = <optimized out>
inode = 0x0
newent = 0xffa00000003afaf0
err = <optimized out>
epoch = <optimized out>
outarg_valid = 0x0
locked = <optimized out>
out_iput = <optimized out>
#20 0xffffffff816c9e63 in __lookup_slow (name=0xff1100017acab300, dir=0x1,
flags=0x1) at /home/runner/work/mptcp_net-next/mptcp_net-next/fs/namei.c:1866
dentry = 0xff11000100411600
old = <optimized out>
inode = 0xff11000100606a00
wq = <incomplete type>
#21 0xffffffff816c9f69 in lookup_slow (name=0xff1100017acab300, dir=0x1,
flags=0x1) at /home/runner/work/mptcp_net-next/mptcp_net-next/fs/namei.c:1883
inode = <optimized out>
res = <optimized out>
#22 0xffffffff816cddd8 in walk_component (nd=<optimized out>, flags=<optimized
out>) at /home/runner/work/mptcp_net-next/mptcp_net-next/fs/namei.c:2229
dentry = 0x1
#23 lookup_last (nd=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/fs/namei.c:2730
No locals.
#24 path_lookupat (nd=0xff1100017acab300, flags=0x1, path=0x1) at
/home/runner/work/mptcp_net-next/mptcp_net-next/fs/namei.c:2754
s = 0x1 <error: Cannot access memory at address 0x1>
err = <optimized out>
#25 0xffffffff816cfee0 in filename_lookup (dfd=0x7acab300, name=0x1, flags=0x1,
path=0xff1100017acab300, root=0x0) at
/home/runner/work/mptcp_net-next/mptcp_net-next/fs/namei.c:2783
retval = 0x1
nd = {path = <incomplete type>, last = {{{hash = 0x314ef79d, len = 0x4}, hash_len = 0x4314ef79d}, name = 0xff110001009f1029
"dpkg"}, root = <incomplete type>, inode = 0xff11000100606a00, flags = 0x5, state = 0x2, seq = 0x0, next_seq = 0x0, m_seq =
0x34, r_seq = 0x4, last_type = 0x0, depth = 0x0, total_link_count = 0x0, stack = 0xffa00000003afcd8, internal = {{link = <incomplete
type>, done = <incomplete type>, name = 0x0, seq = 0x0}, {link = <incomplete type>, done = <incomplete type>, name =
0x0, seq = 0x0}}, name = 0xff110001009f1000, pathname = 0xff110001009f1020 "/var/lib/dpkg", saved = 0x0, root_seq = 0x2, dfd =
0xffffff9c, dir_vfsuid = <incomplete type>, dir_mode = 0x41ed}
#26 0xffffffff816c1a8c in vfs_statx (dfd=0x7acab300, filename=0x1, flags=0x1,
stat=0xff1100017acab300, request_mask=0x0) at
/home/runner/work/mptcp_net-next/mptcp_net-next/fs/stat.c:353
path = <incomplete type>
lookup_flags = 0x5
error = 0xffffff9c
#27 0xffffffff816c2863 in do_statx (dfd=0x7acab300, filename=0x1, flags=0x1,
mask=0x7acab300, buffer=0x0) at
/home/runner/work/mptcp_net-next/mptcp_net-next/fs/stat.c:769
stat = {result_mask = 0x0, mode = 0x0, nlink = 0x0, blksize = 0x0, attributes = 0x0, attributes_mask = 0x0,
ino = 0x0, dev = 0x0, rdev = 0x0, uid = <incomplete type>, gid = <incomplete type>, size = 0x0, atime =
<incomplete type>, mtime = <incomplete type>, ctime = <incomplete type>, btime = <incomplete
type>, blocks = 0x0, mnt_id = 0x0, change_cookie = 0x0, subvol = 0x0, dio_mem_align = 0x0, dio_offset_align =
0x0, dio_read_offset_align = 0x0, atomic_write_unit_min = 0x0, atomic_write_unit_max = 0x0,
atomic_write_unit_max_opt = 0x0, atomic_write_segments_max = 0x0}
error = 0x1
#28 0xffffffff816c2ab0 in __do_sys_statx (dfd=<optimized out>, filename=<optimized out>,
flags=<optimized out>, mask=<optimized out>, buffer=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/fs/stat.c:823
ret = 0xffffff9c
name = <error reading variable name (Cannot access memory at address
0x0)>
#29 __se_sys_statx (dfd=<optimized out>, filename=<optimized out>, flags=<optimized out>,
mask=<optimized out>, buffer=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/fs/stat.c:812
ret = <optimized out>
#30 __x64_sys_statx (regs=0xff1100017acab300) at
/home/runner/work/mptcp_net-next/mptcp_net-next/fs/stat.c:812
No locals.
#31 0xffffffff81e07124 in do_syscall_x64 (regs=<optimized out>, nr=<optimized
out>) at /home/runner/work/mptcp_net-next/mptcp_net-next/arch/x86/entry/syscall_64.c:63
unr = <optimized out>
#32 do_syscall_64 (regs=0xff1100017acab300, nr=0x1) at
/home/runner/work/mptcp_net-next/mptcp_net-next/arch/x86/entry/syscall_64.c:94
No locals.
#33 0xffffffff81000130 in entry_SYSCALL_64 () at
/home/runner/work/mptcp_net-next/mptcp_net-next/arch/x86/entry/entry_64.S:122
No locals.
#34 0x000000000000000e in ?? ()
No symbol table info available.
#35 0x0000000000000001 in ?? ()
No symbol table info available.
#36 0x00007fff8cbcae40 in ?? ()
No symbol table info available.
#37 0x00007fbb012d6530 in ?? ()
No symbol table info available.
#38 0x00007fbb00d14c70 in ?? ()
No symbol table info available.
#39 0x00007fbb00d14e00 in ?? ()
No symbol table info available.
#40 0x0000000000000246 in ?? ()
No symbol table info available.
#41 0x0000000000000fff in ?? ()
No symbol table info available.
#42 0x0000000000000000 in ?? ()
No symbol table info available.
# info frame ; info registers
Stack level 0, frame at 0xffa00000003af740:
rip = 0xffffffff81e1c641 in virt_spin_lock
(/home/runner/work/mptcp_net-next/mptcp_net-next/arch/x86/include/asm/qspinlock.h:106);
saved rip = 0xffffffff813de445
inlined into frame 1
source language c.
Arglist at unknown address.
Locals at unknown address, Previous frame's sp in rsp
rax 0x1 0x1
rbx 0xff1100017acab300 0xff1100017acab300
rcx 0xff1100017acab300 0xff1100017acab300
rdx 0x1 0x1
rsi 0x1 0x1
rdi 0xff1100017acab300 0xff1100017acab300
rbp 0x2 0x2
rsp 0xffa00000003af738 0xffa00000003af738
r8 0x0 0x0
r9 0x400 0x400
r10 0x0 0x0
r11 0x2 0x2
r12 0x1 0x1
r13 0xff110001001e48c0 0xff110001001e48c0
r14 0xffa00000003af810 0xffa00000003af810
r15 0xff110001001e4940 0xff110001001e4940
rip 0xffffffff81e1c641 0xffffffff81e1c641
<queued_spin_lock_slowpath+305>
eflags 0x2 [ IOPL=0 ]
cs 0x10 0x10
ss 0x18 0x18
ds 0x0 0x0
es 0x0 0x0
fs 0x0 0x0
gs 0x0 0x0
fs_base 0x7fbb00d156c0 0x7fbb00d156c0
gs_base 0xff110001f7cf7000 0xff110001f7cf7000
k_gs_base 0x0 0x0
cr0 0x80050033 [ PG AM WP NE ET MP PE ]
cr2 0x7fbaf8001118 0x7fbaf8001118
cr3 0x1022df003 [ PDBR=1057503 PCID=3 ]
cr4 0x373ef0 [ SMAP SMEP OSXSAVE PCIDE FSGSBASE VMXE LA57
UMIP OSXMMEXCPT OSFXSR PGE MCE PAE PSE ]
cr8 0x1 0x1
efer 0xd01 [ NXE LMA LME SCE ]
xmm0 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0}, v16_int8 =
{0x0 <repeats 16 times>}, v8_int16 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
v4_int32 = {0x0, 0x0, 0x0, 0x0}, v2_int64 = {0x0, 0x0}, uint128 = 0x0}
xmm1 {v4_float = {0x4, 0x0, 0x2c, 0x0}, v2_double = {0x4, 0x2c},
v16_int8 = {0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2c, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0}, v8_int16 = {0x4, 0x0, 0x0, 0x0, 0x2c, 0x0, 0x0, 0x0}, v4_int32
= {0x4, 0x0, 0x2c, 0x0}, v2_int64 = {0x4, 0x2c}, uint128 = 0x2c0000000000000004}
xmm2 {v4_float = {0xf8000fb0, 0x7fba, 0x2c, 0x0}, v2_double =
{0x7fbaf8000fb0, 0x2c}, v16_int8 = {0xb0, 0xf, 0x0, 0xf8, 0xba, 0x7f, 0x0, 0x0,
0x2c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v8_int16 = {0xfb0, 0xf800, 0x7fba,
0x0, 0x2c, 0x0, 0x0, 0x0}, v4_int32 = {0xf8000fb0, 0x7fba, 0x2c, 0x0}, v2_int64
= {0x7fbaf8000fb0, 0x2c}, uint128 = 0x2c00007fbaf8000fb0}
xmm3 {v4_float = {0x59ff1020, 0x5555, 0x1e, 0x0}, v2_double =
{0x555559ff1020, 0x1e}, v16_int8 = {0x20, 0x10, 0xff, 0x59, 0x55, 0x55, 0x0,
0x0, 0x1e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v8_int16 = {0x1020, 0x59ff,
0x5555, 0x0, 0x1e, 0x0, 0x0, 0x0}, v4_int32 = {0x59ff1020, 0x5555, 0x1e, 0x0},
v2_int64 = {0x555559ff1020, 0x1e}, uint128 = 0x1e0000555559ff1020}
xmm4 {v4_float = {0xf8000090, 0x7fba, 0x0, 0x0}, v2_double =
{0x7fbaf8000090, 0x0}, v16_int8 = {0x90, 0x0, 0x0, 0xf8, 0xba, 0x7f, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v8_int16 = {0x90, 0xf800, 0x7fba, 0x0,
0x0, 0x0, 0x0, 0x0}, v4_int32 = {0xf8000090, 0x7fba, 0x0, 0x0}, v2_int64 =
{0x7fbaf8000090, 0x0}, uint128 = 0x7fbaf8000090}
xmm5 {v4_float = {0xff0000, 0x0, 0xff0000, 0x0}, v2_double =
{0xff0000, 0xff0000}, v16_int8 = {0x0, 0x0, 0xff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0xff, 0x0, 0x0, 0x0, 0x0, 0x0}, v8_int16 = {0x0, 0xff, 0x0, 0x0, 0x0,
0xff, 0x0, 0x0}, v4_int32 = {0xff0000, 0x0, 0xff0000, 0x0}, v2_int64 =
{0xff0000, 0xff0000}, uint128 = 0xff00000000000000ff0000}
xmm6 {v4_float = {0xff0000, 0x0, 0x0, 0x0}, v2_double = {0xff0000, 0x0},
v16_int8 = {0x0, 0x0, 0xff, 0x0 <repeats 13 times>}, v8_int16 = {0x0, 0xff,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, v4_int32 = {0xff0000, 0x0, 0x0, 0x0}, v2_int64 =
{0xff0000, 0x0}, uint128 = 0xff0000}
xmm7 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0}, v16_int8 =
{0x0 <repeats 16 times>}, v8_int16 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
v4_int32 = {0x0, 0x0, 0x0, 0x0}, v2_int64 = {0x0, 0x0}, uint128 = 0x0}
xmm8 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0}, v16_int8 =
{0x0 <repeats 16 times>}, v8_int16 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
v4_int32 = {0x0, 0x0, 0x0, 0x0}, v2_int64 = {0x0, 0x0}, uint128 = 0x0}
xmm9 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0}, v16_int8 =
{0x0 <repeats 16 times>}, v8_int16 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
v4_int32 = {0x0, 0x0, 0x0, 0x0}, v2_int64 = {0x0, 0x0}, uint128 = 0x0}
xmm10 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0}, v16_int8 =
{0x0 <repeats 16 times>}, v8_int16 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
v4_int32 = {0x0, 0x0, 0x0, 0x0}, v2_int64 = {0x0, 0x0}, uint128 = 0x0}
xmm11 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0}, v16_int8 =
{0x0 <repeats 16 times>}, v8_int16 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
v4_int32 = {0x0, 0x0, 0x0, 0x0}, v2_int64 = {0x0, 0x0}, uint128 = 0x0}
xmm12 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0}, v16_int8 =
{0x0 <repeats 16 times>}, v8_int16 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
v4_int32 = {0x0, 0x0, 0x0, 0x0}, v2_int64 = {0x0, 0x0}, uint128 = 0x0}
xmm13 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0}, v16_int8 =
{0x0 <repeats 16 times>}, v8_int16 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
v4_int32 = {0x0, 0x0, 0x0, 0x0}, v2_int64 = {0x0, 0x0}, uint128 = 0x0}
xmm14 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0}, v16_int8 =
{0x0 <repeats 16 times>}, v8_int16 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
v4_int32 = {0x0, 0x0, 0x0, 0x0}, v2_int64 = {0x0, 0x0}, uint128 = 0x0}
xmm15 {v4_float = {0x0, 0x0, 0x0, 0x0}, v2_double = {0x0, 0x0}, v16_int8 =
{0x0 <repeats 16 times>}, v8_int16 = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
v4_int32 = {0x0, 0x0, 0x0, 0x0}, v2_int64 = {0x0, 0x0}, uint128 = 0x0}
mxcsr 0x1f80 [ IM DM ZM OM UM PM ]
# thread apply all bt full
Thread 4 (Thread 1.4 (CPU#3 [running])):
#0 virt_spin_lock (lock=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/arch/x86/include/asm/qspinlock.h:106
val = <optimized out>
#1 queued_spin_lock_slowpath (lock=0xff1100017acab300, val=0x1) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/locking/qspinlock.c:141
prev = <optimized out>
next = 0x1
node = <optimized out>
old = <optimized out>
tail = <optimized out>
idx = <optimized out>
locked = <optimized out>
__vpp_verify = <optimized out>
__vpp_verify = <optimized out>
pao_ID__ = <optimized out>
pao_tmp__ = <optimized out>
pto_val__ = <optimized out>
pto_tmp__ = <optimized out>
pao_ID__ = <optimized out>
pao_tmp__ = <optimized out>
pto_val__ = <optimized out>
pto_tmp__ = <optimized out>
pao_ID__ = <optimized out>
pao_tmp__ = <optimized out>
pto_val__ = <optimized out>
pto_tmp__ = <optimized out>
#2 0xffffffff813de445 in raw_spin_rq_lock_nested (rq=0xff1100017acab300,
subclass=0x1) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/core.c:639
lock = <optimized out>
#3 0xffffffff813ef2d5 in raw_spin_rq_lock (rq=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/sched.h:1580
No locals.
#4 _raw_spin_rq_lock_irqsave (rq=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/sched.h:1600
flags = <optimized out>
__dummy = <optimized out>
__dummy2 = <optimized out>
#5 rq_lock_irqsave (rq=<optimized out>, rf=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/sched.h:1893
No locals.
#6 sched_balance_rq (this_cpu=0x7acab300, this_rq=0x1, sd=0x1,
idle=2060104448, continue_balancing=0x0) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/fair.c:11867
ld_moved = 0x1
cur_ld_moved = <optimized out>
active_balance = <optimized out>
sd_parent = <optimized out>
group = <optimized out>
busiest = <optimized out>
rf = <optimized out>
cpus = <optimized out>
env = {sd = 0xff1100010020ba00, src_rq = 0xff1100017acab300, src_cpu = 0x1,
dst_cpu = 0x3, dst_rq = 0xff1100017adab300, dst_grpmask = 0xff110001001e4ab0,
new_dst_cpu = 0x0, idle = CPU_NEWLY_IDLE, imbalance = 0x1, cpus = 0xff1100017ad983e0,
flags = 0x1, loop = 0x0, loop_break = 0x20, loop_max = 0x2, fbq_type = all,
migration_type = migrate_task, tasks = <incomplete type>}
need_unlock = <optimized out>
redo = <optimized out>
more_balance = <optimized out>
__vpp_verify = <optimized out>
__dummy = <optimized out>
__dummy2 = <optimized out>
__vpp_verify = <optimized out>
#7 0xffffffff813efe9b in sched_balance_newidle (this_rq=<optimized out>,
rf=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/fair.c:12932
weight = <optimized out>
domain_cost = 0xff1100017acab300
next_balance = <optimized out>
this_cpu = 0x20ba00
continue_balancing = 0x1
t0 = <optimized out>
t1 = <optimized out>
curr_cost = 0x0
sd = 0xff1100010020ba00
pulled_task = 0x1
__dummy = <optimized out>
__dummy2 = <optimized out>
__dummy = <optimized out>
__dummy2 = <optimized out>
#8 pick_next_task_fair (rq=0xff1100010020ba00, prev=0x1, rf=0x1) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/fair.c:8973
se = 0xfffb6e63
p = <optimized out>
new_tasks = <optimized out>
again = <optimized out>
idle = <optimized out>
simple = <optimized out>
#9 0xffffffff81e1337e in __pick_next_task (rq=<optimized out>, prev=<optimized out>,
rf=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/core.c:5890
class = 0x32
p = 0xffffffff824b34a8 <fair_sched_class>
restart = <optimized out>
#10 pick_next_task (rq=<optimized out>, prev=<optimized out>, rf=<optimized
out>) at /home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/core.c:6426
No locals.
#11 __schedule (sched_mode=0x7acab300) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/core.c:6809
prev = 0xff11000100238000
next = 0xffffffff824b34a8 <fair_sched_class>
preempt = 0x1
is_switch = 0x1
switch_count = <optimized out>
prev_state = <optimized out>
rf = <incomplete type>
rq = <optimized out>
cpu = <optimized out>
keep_resched = <optimized out>
__vpp_verify = <optimized out>
#12 0xffffffff81e14097 in __schedule_loop (sched_mode=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/core.c:6949
No locals.
#13 schedule () at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/core.c:6964
tsk = <optimized out>
#14 0xffffffff814833ba in futex_do_wait (q=0x1, timeout=0x1) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/futex/waitwake.c:358
No locals.
#15 0xffffffff81483b7e in __futex_wait (uaddr=0xff1100017acab300, flags=0x1,
val=0x1, to=0xff1100017acab300, bitset=0x0) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/futex/waitwake.c:687
q = {list = <incomplete type>, task = 0xff11000100238000, lock_ptr =
0xff11000100a15684, wake = 0xffffffff81482a80 <futex_wake_mark>, wake_data = 0x0, key =
{shared = {i_seq = 0xff11000102bf0000, pgoff = 0x7fbb00f16000, offset = 0x992}, private = {{mm =
0xff11000102bf0000, __tmp = 0xff11000102bf0000}, address = 0x7fbb00f16000, offset = 0x992}, both
= {ptr = 0xff11000102bf0000, word = 0x7fbb00f16000, offset = 0x992, node = 0xffffffff}}, pi_state
= 0x0, rt_waiter = 0x0, requeue_pi_key = 0x0, bitset = 0xffffffff, requeue_state = <incomplete
type>, drop_hb_ref = 0x0}
ret = 0x1
#16 0xffffffff81483c68 in futex_wait (uaddr=0xff1100017acab300, flags=0x1,
val=0x1, abs_time=0xff1100017acab300, bitset=0x0) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/futex/waitwake.c:715
timeout = {timer = <incomplete type>, task = 0x0}
to = <optimized out>
restart = <optimized out>
ret = 0xffffffff
#17 0xffffffff8147f4a5 in do_futex (uaddr=0xff1100017acab300, op=0x1, val=0x1,
timeout=0xff1100017acab300, uaddr2=0x0, val2=0x400, val3=0xffffffff) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/futex/syscalls.c:130
flags = 0x1
cmd = <optimized out>
#18 0xffffffff8147f6ad in __do_sys_futex (uaddr=<optimized out>, op=<optimized out>, val=<optimized
out>, utime=<optimized out>, uaddr2=<optimized out>, val3=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/futex/syscalls.c:207
ret = <optimized out>
cmd = <optimized out>
t = 0x0
tp = 0xff1100017acab300
ts = <incomplete type>
#19 __se_sys_futex (uaddr=<optimized out>, op=<optimized out>, val=<optimized out>,
utime=<optimized out>, uaddr2=<optimized out>, val3=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/futex/syscalls.c:188
ret = <optimized out>
#20 __x64_sys_futex (regs=0xff1100017acab300) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/futex/syscalls.c:188
No locals.
#21 0xffffffff81e07124 in do_syscall_x64 (regs=<optimized out>, nr=<optimized
out>) at /home/runner/work/mptcp_net-next/mptcp_net-next/arch/x86/entry/syscall_64.c:63
unr = <optimized out>
#22 do_syscall_64 (regs=0xff1100017acab300, nr=0x1) at
/home/runner/work/mptcp_net-next/mptcp_net-next/arch/x86/entry/syscall_64.c:94
No locals.
#23 0xffffffff81000130 in entry_SYSCALL_64 () at
/home/runner/work/mptcp_net-next/mptcp_net-next/arch/x86/entry/entry_64.S:122
No locals.
#24 0x0000000000000000 in ?? ()
No symbol table info available.
Thread 3 (Thread 1.3 (CPU#2 [running])):
#0 virt_spin_lock (lock=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/arch/x86/include/asm/qspinlock.h:106
val = <optimized out>
#1 queued_spin_lock_slowpath (lock=0xff1100017acab300, val=0x1) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/locking/qspinlock.c:141
prev = <optimized out>
next = 0x1
node = <optimized out>
old = <optimized out>
tail = <optimized out>
idx = <optimized out>
locked = <optimized out>
__vpp_verify = <optimized out>
__vpp_verify = <optimized out>
pao_ID__ = <optimized out>
pao_tmp__ = <optimized out>
pto_val__ = <optimized out>
pto_tmp__ = <optimized out>
pao_ID__ = <optimized out>
pao_tmp__ = <optimized out>
pto_val__ = <optimized out>
pto_tmp__ = <optimized out>
pao_ID__ = <optimized out>
pao_tmp__ = <optimized out>
pto_val__ = <optimized out>
pto_tmp__ = <optimized out>
#2 0xffffffff813de445 in raw_spin_rq_lock_nested (rq=0xff1100017acab300,
subclass=0x1) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/core.c:639
lock = <optimized out>
#3 0xffffffff813ef2d5 in raw_spin_rq_lock (rq=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/sched.h:1580
No locals.
#4 _raw_spin_rq_lock_irqsave (rq=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/sched.h:1600
flags = <optimized out>
__dummy = <optimized out>
__dummy2 = <optimized out>
#5 rq_lock_irqsave (rq=<optimized out>, rf=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/sched.h:1893
No locals.
#6 sched_balance_rq (this_cpu=0x7acab300, this_rq=0x1, sd=0x1,
idle=2060104448, continue_balancing=0x0) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/fair.c:11867
ld_moved = 0x1
cur_ld_moved = <optimized out>
active_balance = <optimized out>
sd_parent = <optimized out>
group = <optimized out>
busiest = <optimized out>
rf = <optimized out>
cpus = <optimized out>
env = {sd = 0xff1100010020b800, src_rq = 0xff1100017acab300, src_cpu = 0x1,
dst_cpu = 0x2, dst_rq = 0xff1100017ad2b300, dst_grpmask = 0xff110001001e4a30,
new_dst_cpu = 0x0, idle = CPU_NEWLY_IDLE, imbalance = 0x1, cpus = 0xff1100017ad183e0,
flags = 0x1, loop = 0x0, loop_break = 0x20, loop_max = 0x2, fbq_type = all,
migration_type = migrate_task, tasks = <incomplete type>}
need_unlock = <optimized out>
redo = <optimized out>
more_balance = <optimized out>
__vpp_verify = <optimized out>
__dummy = <optimized out>
__dummy2 = <optimized out>
__vpp_verify = <optimized out>
#7 0xffffffff813efe9b in sched_balance_newidle (this_rq=<optimized out>,
rf=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/fair.c:12932
weight = <optimized out>
domain_cost = 0xff1100017acab300
next_balance = <optimized out>
this_cpu = 0x20b800
continue_balancing = 0x1
t0 = <optimized out>
t1 = <optimized out>
curr_cost = 0x0
sd = 0xff1100010020b800
pulled_task = 0x1
__dummy = <optimized out>
__dummy2 = <optimized out>
__dummy = <optimized out>
__dummy2 = <optimized out>
#8 pick_next_task_fair (rq=0xff1100010020b800, prev=0x1, rf=0x1) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/fair.c:8973
se = 0xfffb6e64
p = <optimized out>
new_tasks = <optimized out>
again = <optimized out>
idle = <optimized out>
simple = <optimized out>
#9 0xffffffff81e1337e in __pick_next_task (rq=<optimized out>, prev=<optimized out>,
rf=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/core.c:5890
class = 0xffa00000003bfc50
p = 0xffffffff824b34a8 <fair_sched_class>
restart = <optimized out>
#10 pick_next_task (rq=<optimized out>, prev=<optimized out>, rf=<optimized
out>) at /home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/core.c:6426
No locals.
#11 __schedule (sched_mode=0x7acab300) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/core.c:6809
prev = 0xff11000102369680
next = 0xffffffff824b34a8 <fair_sched_class>
preempt = 0x1
is_switch = 0x1
switch_count = <optimized out>
prev_state = <optimized out>
rf = <incomplete type>
rq = <optimized out>
cpu = <optimized out>
keep_resched = <optimized out>
__vpp_verify = <optimized out>
#12 0xffffffff81e14097 in __schedule_loop (sched_mode=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/core.c:6949
No locals.
#13 schedule () at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/core.c:6964
tsk = <optimized out>
#14 0xffffffff8179e372 in request_wait_answer (req=0xff11000103061000) at
/home/runner/work/mptcp_net-next/mptcp_net-next/fs/fuse/dev.c:552
__int = <optimized out>
__out = <optimized out>
__wq_entry = <incomplete type>
__ret = <optimized out>
__ret = <optimized out>
fc = 0xff110001023e6800
fiq = <optimized out>
err = <optimized out>
#15 0xffffffff8179e5a0 in __fuse_request_send (req=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/fs/fuse/dev.c:599
fiq = 0x0
#16 __fuse_simple_request (idmap=0xff1100017acab300, fm=0x1, args=0x1) at
/home/runner/work/mptcp_net-next/mptcp_net-next/fs/fuse/dev.c:693
fc = 0xff110001023e6800
req = 0xff11000103061000
ret = 0xff110001023e6800
#17 0xffffffff817a27e2 in fuse_simple_request (fm=<optimized out>, args=<optimized
out>) at /home/runner/work/mptcp_net-next/mptcp_net-next/fs/fuse/fuse_i.h:1263
No locals.
#18 fuse_readlink_folio (inode=0xff11000100614e00, folio=0xffd40000040c1800) at
/home/runner/work/mptcp_net-next/mptcp_net-next/fs/fuse/dir.c:1834
fm = <optimized out>
desc = <incomplete type>
ap = <incomplete type>
link = <optimized out>
res = <optimized out>
#19 0xffffffff817a2943 in fuse_get_link (dentry=0xff1100017acab300,
inode=0xff1100017acab300, callback=0x1) at
/home/runner/work/mptcp_net-next/mptcp_net-next/fs/fuse/dir.c:1873
fc = <optimized out>
folio = <optimized out>
err = <optimized out>
#20 0xffffffff816cc950 in pick_link (nd=0xff1100017acab300, link=0x1,
inode=0xff11000100614e00, flags=0x7acab300) at
/home/runner/work/mptcp_net-next/mptcp_net-next/fs/namei.c:2013
get = 0xff1100017acab300
last = 0xffa00000003bfd88
res = 0x1 <error: Cannot access memory at address 0x1>
error = <optimized out>
all_done = <optimized out>
#21 0xffffffff816ccb5e in step_into_slowpath (nd=0xff1100017acab300, flags=0x1,
dentry=0x1) at /home/runner/work/mptcp_net-next/mptcp_net-next/fs/namei.c:2074
path = <incomplete type>
inode = 0x0
err = <optimized out>
#22 0xffffffff816d14f7 in step_into (nd=<optimized out>, flags=<optimized out>,
dentry=<optimized out>) at /home/runner/work/mptcp_net-next/mptcp_net-next/fs/namei.c:2099
No locals.
#23 open_last_lookups (nd=<optimized out>, file=<optimized out>, op=<optimized
out>) at /home/runner/work/mptcp_net-next/mptcp_net-next/fs/namei.c:4584
delegated_inode = <optimized out>
dir = 0xff1100010040ad80
open_flag = 0x1
got_write = <optimized out>
dentry = 0xff110001006af840
res = <optimized out>
retry = <optimized out>
#24 path_openat (nd=0xff1100017acab300, op=0x1, flags=0x1) at
/home/runner/work/mptcp_net-next/mptcp_net-next/fs/namei.c:4793
s = 0xff110001006af840 "\004"
file = <optimized out>
error = 0x0
#25 0xffffffff816d2618 in do_filp_open (dfd=0x7acab300, pathname=0x1, op=0x1)
at /home/runner/work/mptcp_net-next/mptcp_net-next/fs/namei.c:4823
nd = {path = <incomplete type>, last = {{{hash = 0xf361748d, len = 0xd}, hash_len = 0xdf361748d}, name = 0xff11000102348031
"systemd-udevd"}, root = <incomplete type>, inode = 0xff110001004ac380, flags = 0x10001, state = 0x2, seq = 0x0, next_seq =
0x0, m_seq = 0x34, r_seq = 0x4, last_type = 0x0, depth = 0x1, total_link_count = 0x1, stack = 0xffa00000003bfd88, internal = {{link =
<incomplete type>, done = <incomplete type>, name = 0x0, seq = 0x2}, {link = <incomplete type>, done = <incomplete
type>, name = 0x0, seq = 0x0}}, name = 0xff11000102348000, pathname = 0xff11000102348020 "/usr/lib/systemd/systemd-udevd", saved
= 0x0, root_seq = 0x2, dfd = 0xffffff9c, dir_vfsuid = <incomplete type>, dir_mode = 0x41ed}
flags = 0x1
filp = 0x1
#26 0xffffffff816c3baf in do_open_execat (fd=0x7acab300, name=0x1, flags=0x1)
at /home/runner/work/mptcp_net-next/mptcp_net-next/fs/exec.c:783
err = <optimized out>
file = <optimized out>
open_exec_flags = <incomplete type>
__ptr = <optimized out>
__val = <optimized out>
#27 0xffffffff816c3de0 in alloc_bprm (fd=0x7acab300, filename=0x1, flags=0x1)
at /home/runner/work/mptcp_net-next/mptcp_net-next/fs/exec.c:1409
bprm = <optimized out>
file = <optimized out>
retval = <optimized out>
#28 0xffffffff816c48fd in do_execveat_common (fd=0x7acab300, filename=0x1,
flags=0x0, envp=..., argv=...) at
/home/runner/work/mptcp_net-next/mptcp_net-next/fs/exec.c:1810
bprm = <optimized out>
retval = <optimized out>
#29 0xffffffff816c5988 in do_execve (filename=<error reading variable: Cannot access memory at
address 0x0>, __argv=<optimized out>, __envp=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/fs/exec.c:1933
argv = <optimized out>
envp = <optimized out>
#30 __do_sys_execve (filename=<optimized out>, argv=<optimized out>,
envp=<optimized out>) at /home/runner/work/mptcp_net-next/mptcp_net-next/fs/exec.c:2009
No locals.
#31 __se_sys_execve (filename=<optimized out>, argv=<optimized out>,
envp=<optimized out>) at /home/runner/work/mptcp_net-next/mptcp_net-next/fs/exec.c:2004
ret = <optimized out>
#32 __x64_sys_execve (regs=0xff1100017acab300) at
/home/runner/work/mptcp_net-next/mptcp_net-next/fs/exec.c:2004
No locals.
#33 0xffffffff81e07124 in do_syscall_x64 (regs=<optimized out>, nr=<optimized
out>) at /home/runner/work/mptcp_net-next/mptcp_net-next/arch/x86/entry/syscall_64.c:63
unr = <optimized out>
#34 do_syscall_64 (regs=0xff1100017acab300, nr=0x1) at
/home/runner/work/mptcp_net-next/mptcp_net-next/arch/x86/entry/syscall_64.c:94
No locals.
#35 0xffffffff81000130 in entry_SYSCALL_64 () at
/home/runner/work/mptcp_net-next/mptcp_net-next/arch/x86/entry/entry_64.S:122
No locals.
#36 0x0000000000000003 in ?? ()
No symbol table info available.
#37 0x00007fbaf4000e50 in ?? ()
No symbol table info available.
#38 0x0000555559fefea0 in ?? ()
No symbol table info available.
#39 0x00007fbaf4000d90 in ?? ()
No symbol table info available.
#40 0x00007fbb0090de60 in ?? ()
No symbol table info available.
#41 0x00007fbaf4000cb0 in ?? ()
No symbol table info available.
#42 0x0000000000000202 in ?? ()
No symbol table info available.
#43 0x0000000000000008 in ?? ()
No symbol table info available.
#44 0x0000000000000000 in ?? ()
No symbol table info available.
Thread 2 (Thread 1.2 (CPU#1 [running])):
#0 num_possible_cpus () at
/home/runner/work/mptcp_net-next/mptcp_net-next/include/linux/cpumask.h:1222
No locals.
#1 mm_get_cid (mm=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/sched.h:3782
cid = 0x4
#2 mm_cid_from_cpu (t=<optimized out>, cpu_cid=0x4, mode=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/sched.h:3844
max_cids = <optimized out>
tcid = <optimized out>
mm = <optimized out>
#3 mm_cid_schedin (next=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/sched.h:3900
mm = 0xff11000102bf0000
cpu_cid = <optimized out>
mode = <optimized out>
#4 mm_cid_switch_to (prev=<optimized out>, next=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/sched.h:3935
No locals.
#5 context_switch (rq=<optimized out>, prev=<optimized out>, next=<optimized out>,
rf=<optimized out>) at /home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/core.c:5249
No locals.
#6 __schedule (sched_mode=0x2bf0650) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/core.c:6867
prev = 0xff1100010031da00
next = 0xff1100010146da00
preempt = 0x4
is_switch = 0x0
switch_count = <optimized out>
prev_state = <optimized out>
rf = <incomplete type>
rq = <optimized out>
cpu = <optimized out>
keep_resched = <optimized out>
__vpp_verify = <optimized out>
#7 0xffffffff81e14232 in schedule_idle () at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/core.c:6990
No locals.
#8 0xffffffff813f68a9 in cpu_startup_entry (state=46073424) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/idle.c:430
No locals.
#9 0xffffffff8135fef4 in start_secondary (unused=0xff11000102bf0650) at
/home/runner/work/mptcp_net-next/mptcp_net-next/arch/x86/kernel/smpboot.c:312
No locals.
#10 0xffffffff8132b266 in secondary_startup_64 () at
/home/runner/work/mptcp_net-next/mptcp_net-next/arch/x86/kernel/head_64.S:418
No locals.
#11 0x0000000000000000 in ?? ()
No symbol table info available.
Thread 1 (Thread 1.1 (CPU#0 [running])):
#0 virt_spin_lock (lock=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/arch/x86/include/asm/qspinlock.h:106
val = <optimized out>
#1 queued_spin_lock_slowpath (lock=0xff1100017acab300, val=0x1) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/locking/qspinlock.c:141
prev = <optimized out>
next = 0x1
node = <optimized out>
old = <optimized out>
tail = <optimized out>
idx = <optimized out>
locked = <optimized out>
__vpp_verify = <optimized out>
__vpp_verify = <optimized out>
pao_ID__ = <optimized out>
pao_tmp__ = <optimized out>
pto_val__ = <optimized out>
pto_tmp__ = <optimized out>
pao_ID__ = <optimized out>
pao_tmp__ = <optimized out>
pto_val__ = <optimized out>
pto_tmp__ = <optimized out>
pao_ID__ = <optimized out>
pao_tmp__ = <optimized out>
pto_val__ = <optimized out>
pto_tmp__ = <optimized out>
#2 0xffffffff813de445 in raw_spin_rq_lock_nested (rq=0xff1100017acab300,
subclass=0x1) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/core.c:639
lock = <optimized out>
#3 0xffffffff813ef2d5 in raw_spin_rq_lock (rq=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/sched.h:1580
No locals.
#4 _raw_spin_rq_lock_irqsave (rq=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/sched.h:1600
flags = <optimized out>
__dummy = <optimized out>
__dummy2 = <optimized out>
#5 rq_lock_irqsave (rq=<optimized out>, rf=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/sched.h:1893
No locals.
#6 sched_balance_rq (this_cpu=0x7acab300, this_rq=0x1, sd=0x1,
idle=2060104448, continue_balancing=0x0) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/fair.c:11867
ld_moved = 0x1
cur_ld_moved = <optimized out>
active_balance = <optimized out>
sd_parent = <optimized out>
group = <optimized out>
busiest = <optimized out>
rf = <optimized out>
cpus = <optimized out>
env = {sd = 0xff1100010020b400, src_rq = 0xff1100017acab300, src_cpu = 0x1,
dst_cpu = 0x0, dst_rq = 0xff1100017ac2b300, dst_grpmask = 0xff110001001e4930,
new_dst_cpu = 0x0, idle = CPU_NEWLY_IDLE, imbalance = 0x1, cpus = 0xff1100017ac183e0,
flags = 0x1, loop = 0x0, loop_break = 0x20, loop_max = 0x2, fbq_type = all,
migration_type = migrate_task, tasks = <incomplete type>}
need_unlock = <optimized out>
redo = <optimized out>
more_balance = <optimized out>
__vpp_verify = <optimized out>
__dummy = <optimized out>
__dummy2 = <optimized out>
__vpp_verify = <optimized out>
#7 0xffffffff813efe9b in sched_balance_newidle (this_rq=<optimized out>,
rf=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/fair.c:12932
weight = <optimized out>
domain_cost = 0xff1100017acab300
next_balance = <optimized out>
this_cpu = 0x20b400
continue_balancing = 0x1
t0 = <optimized out>
t1 = <optimized out>
curr_cost = 0x0
sd = 0xff1100010020b400
pulled_task = 0x1
__dummy = <optimized out>
__dummy2 = <optimized out>
__dummy = <optimized out>
__dummy2 = <optimized out>
#8 pick_next_task_fair (rq=0xff1100010020b400, prev=0x1, rf=0x1) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/fair.c:8973
se = 0xfffb6e65
p = <optimized out>
new_tasks = <optimized out>
again = <optimized out>
idle = <optimized out>
simple = <optimized out>
#9 0xffffffff81e1337e in __pick_next_task (rq=<optimized out>, prev=<optimized out>,
rf=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/core.c:5890
class = 0xff1100010224aa00
p = 0xffffffff824b34a8 <fair_sched_class>
restart = <optimized out>
#10 pick_next_task (rq=<optimized out>, prev=<optimized out>, rf=<optimized
out>) at /home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/core.c:6426
No locals.
#11 __schedule (sched_mode=0x7acab300) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/core.c:6809
prev = 0xff1100010146c380
next = 0xffffffff824b34a8 <fair_sched_class>
preempt = 0x1
is_switch = 0x1
switch_count = <optimized out>
prev_state = <optimized out>
rf = <incomplete type>
rq = <optimized out>
cpu = <optimized out>
keep_resched = <optimized out>
__vpp_verify = <optimized out>
#12 0xffffffff81e14097 in __schedule_loop (sched_mode=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/core.c:6949
No locals.
#13 schedule () at
/home/runner/work/mptcp_net-next/mptcp_net-next/kernel/sched/core.c:6964
tsk = <optimized out>
#14 0xffffffff8179e372 in request_wait_answer (req=0xff11000100910160) at
/home/runner/work/mptcp_net-next/mptcp_net-next/fs/fuse/dev.c:552
__int = <optimized out>
__out = <optimized out>
__wq_entry = <incomplete type>
__ret = <optimized out>
__ret = <optimized out>
fc = 0xff110001023e6800
fiq = <optimized out>
err = <optimized out>
#15 0xffffffff8179e5a0 in __fuse_request_send (req=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/fs/fuse/dev.c:599
fiq = 0x0
#16 __fuse_simple_request (idmap=0xff1100017acab300, fm=0x1, args=0x1) at
/home/runner/work/mptcp_net-next/mptcp_net-next/fs/fuse/dev.c:693
fc = 0xff110001023e6800
req = 0xff11000100910160
ret = 0xff110001023e6800
#17 0xffffffff817a47d9 in fuse_simple_request (fm=<optimized out>, args=<optimized
out>) at /home/runner/work/mptcp_net-next/mptcp_net-next/fs/fuse/fuse_i.h:1263
No locals.
#18 fuse_lookup_name (sb=0xff1100017acab300, nodeid=0x1, name=0x1,
outarg=0xff1100017acab300, inode=0x0) at
/home/runner/work/mptcp_net-next/mptcp_net-next/fs/fuse/dir.c:574
fm = <optimized out>
args = <incomplete type>
forget = <optimized out>
attr_version = <optimized out>
evict_ctr = <optimized out>
err = 0x411620
#19 0xffffffff817a49c9 in fuse_lookup (dir=0xff11000100606a00,
entry=0xff11000100411600, flags=0x1) at
/home/runner/work/mptcp_net-next/mptcp_net-next/fs/fuse/fuse_i.h:1062
outarg = <incomplete type>
fc = <optimized out>
inode = 0x0
newent = 0xffa00000003afaf0
err = <optimized out>
epoch = <optimized out>
outarg_valid = 0x0
locked = <optimized out>
out_iput = <optimized out>
#20 0xffffffff816c9e63 in __lookup_slow (name=0xff1100017acab300, dir=0x1,
flags=0x1) at /home/runner/work/mptcp_net-next/mptcp_net-next/fs/namei.c:1866
dentry = 0xff11000100411600
old = <optimized out>
inode = 0xff11000100606a00
wq = <incomplete type>
#21 0xffffffff816c9f69 in lookup_slow (name=0xff1100017acab300, dir=0x1,
flags=0x1) at /home/runner/work/mptcp_net-next/mptcp_net-next/fs/namei.c:1883
inode = <optimized out>
res = <optimized out>
#22 0xffffffff816cddd8 in walk_component (nd=<optimized out>, flags=<optimized
out>) at /home/runner/work/mptcp_net-next/mptcp_net-next/fs/namei.c:2229
dentry = 0x1
#23 lookup_last (nd=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/fs/namei.c:2730
No locals.
#24 path_lookupat (nd=0xff1100017acab300, flags=0x1, path=0x1) at
/home/runner/work/mptcp_net-next/mptcp_net-next/fs/namei.c:2754
s = 0x1 <error: Cannot access memory at address 0x1>
err = <optimized out>
#25 0xffffffff816cfee0 in filename_lookup (dfd=0x7acab300, name=0x1, flags=0x1,
path=0xff1100017acab300, root=0x0) at
/home/runner/work/mptcp_net-next/mptcp_net-next/fs/namei.c:2783
retval = 0x1
nd = {path = <incomplete type>, last = {{{hash = 0x314ef79d, len = 0x4}, hash_len = 0x4314ef79d}, name = 0xff110001009f1029
"dpkg"}, root = <incomplete type>, inode = 0xff11000100606a00, flags = 0x5, state = 0x2, seq = 0x0, next_seq = 0x0, m_seq =
0x34, r_seq = 0x4, last_type = 0x0, depth = 0x0, total_link_count = 0x0, stack = 0xffa00000003afcd8, internal = {{link = <incomplete
type>, done = <incomplete type>, name = 0x0, seq = 0x0}, {link = <incomplete type>, done = <incomplete type>, name =
0x0, seq = 0x0}}, name = 0xff110001009f1000, pathname = 0xff110001009f1020 "/var/lib/dpkg", saved = 0x0, root_seq = 0x2, dfd =
0xffffff9c, dir_vfsuid = <incomplete type>, dir_mode = 0x41ed}
#26 0xffffffff816c1a8c in vfs_statx (dfd=0x7acab300, filename=0x1, flags=0x1,
stat=0xff1100017acab300, request_mask=0x0) at
/home/runner/work/mptcp_net-next/mptcp_net-next/fs/stat.c:353
path = <incomplete type>
lookup_flags = 0x5
error = 0xffffff9c
#27 0xffffffff816c2863 in do_statx (dfd=0x7acab300, filename=0x1, flags=0x1,
mask=0x7acab300, buffer=0x0) at
/home/runner/work/mptcp_net-next/mptcp_net-next/fs/stat.c:769
stat = {result_mask = 0x0, mode = 0x0, nlink = 0x0, blksize = 0x0, attributes = 0x0, attributes_mask = 0x0,
ino = 0x0, dev = 0x0, rdev = 0x0, uid = <incomplete type>, gid = <incomplete type>, size = 0x0, atime =
<incomplete type>, mtime = <incomplete type>, ctime = <incomplete type>, btime = <incomplete
type>, blocks = 0x0, mnt_id = 0x0, change_cookie = 0x0, subvol = 0x0, dio_mem_align = 0x0, dio_offset_align =
0x0, dio_read_offset_align = 0x0, atomic_write_unit_min = 0x0, atomic_write_unit_max = 0x0,
atomic_write_unit_max_opt = 0x0, atomic_write_segments_max = 0x0}
error = 0x1
#28 0xffffffff816c2ab0 in __do_sys_statx (dfd=<optimized out>, filename=<optimized out>,
flags=<optimized out>, mask=<optimized out>, buffer=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/fs/stat.c:823
ret = 0xffffff9c
name = <error reading variable name (Cannot access memory at address
0x0)>
#29 __se_sys_statx (dfd=<optimized out>, filename=<optimized out>, flags=<optimized out>,
mask=<optimized out>, buffer=<optimized out>) at
/home/runner/work/mptcp_net-next/mptcp_net-next/fs/stat.c:812
ret = <optimized out>
#30 __x64_sys_statx (regs=0xff1100017acab300) at
/home/runner/work/mptcp_net-next/mptcp_net-next/fs/stat.c:812
No locals.
#31 0xffffffff81e07124 in do_syscall_x64 (regs=<optimized out>, nr=<optimized
out>) at /home/runner/work/mptcp_net-next/mptcp_net-next/arch/x86/entry/syscall_64.c:63
unr = <optimized out>
#32 do_syscall_64 (regs=0xff1100017acab300, nr=0x1) at
/home/runner/work/mptcp_net-next/mptcp_net-next/arch/x86/entry/syscall_64.c:94
No locals.
#33 0xffffffff81000130 in entry_SYSCALL_64 () at
/home/runner/work/mptcp_net-next/mptcp_net-next/arch/x86/entry/entry_64.S:122
No locals.
#34 0x000000000000000e in ?? ()
No symbol table info available.
#35 0x0000000000000001 in ?? ()
No symbol table info available.
#36 0x00007fff8cbcae40 in ?? ()
No symbol table info available.
#37 0x00007fbb012d6530 in ?? ()
No symbol table info available.
#38 0x00007fbb00d14c70 in ?? ()
No symbol table info available.
#39 0x00007fbb00d14e00 in ?? ()
No symbol table info available.
#40 0x0000000000000246 in ?? ()
No symbol table info available.
#41 0x0000000000000fff in ?? ()
No symbol table info available.
#42 0x0000000000000000 in ?? ()
No symbol table info available.
[7] https://lore.kernel.org/aXdO52wh2rqTUi1E@shinmob
[8] https://lore.kernel.org/[email protected]
[9]
https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/log/?h=sched/urgent
--
Sponsored by the NGI0 Core fund.
