While running kernel selftests bpf test_cgroup_storage test this kernel BUG reported every time on all devices running Linux -next 4.20.0-rc2-next-20181113 (from 4.19.0-rc5-next-20180928). This kernel BUG log is from x86_64 machine.
Do you see at your end ? [ 73.047526] BUG: sleeping function called from invalid context at /srv/oe/build/tmp-rpb-glibc/work-shared/intel-corei7-64/kernel-source/mm/slab.h:421 [ 73.060915] in_atomic(): 1, irqs_disabled(): 0, pid: 3157, name: test_cgroup_sto [ 73.068342] INFO: lockdep is turned off. [ 73.072293] CPU: 2 PID: 3157 Comm: test_cgroup_sto Not tainted 4.20.0-rc2-next-20181113 #1 [ 73.080548] Hardware name: Supermicro SYS-5019S-ML/X11SSH-F, BIOS 2.0b 07/27/2017 [ 73.088018] Call Trace: [ 73.090463] dump_stack+0x70/0xa5 [ 73.093783] ___might_sleep+0x152/0x240 [ 73.097619] __might_sleep+0x4a/0x80 [ 73.101191] __kmalloc_node+0x1cf/0x2f0 [ 73.105031] ? cgroup_storage_update_elem+0x46/0x90 [ 73.109909] cgroup_storage_update_elem+0x46/0x90 [ 73.114608] map_update_elem+0x4a1/0x4c0 [ 73.118534] __x64_sys_bpf+0x124/0x280 [ 73.122286] do_syscall_64+0x4f/0x190 [ 73.125952] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 73.131004] RIP: 0033:0x7f46b93ea7f9 [ 73.134581] Code: 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 4f e6 2b 00 f7 d8 64 89 01 48 [ 73.153318] RSP: 002b:00007fffc6595858 EFLAGS: 00000206 ORIG_RAX: 0000000000000141 [ 73.160876] RAX: ffffffffffffffda RBX: 00000000014a0260 RCX: 00007f46b93ea7f9 [ 73.167999] RDX: 0000000000000048 RSI: 00007fffc65958a0 RDI: 0000000000000002 [ 73.175124] RBP: 00007fffc6595870 R08: 00007fffc65958a0 R09: 00007fffc65958a0 [ 73.182246] R10: 00007fffc65958a0 R11: 0000000000000206 R12: 0000000000000003 [ 73.189369] R13: 0000000000000004 R14: 0000000000000005 R15: 0000000000000006 selftests: bpf: test_cgroup_storage Please find full test log, https://lkft.validation.linaro.org/scheduler/job/506640#L2874 Thank you. Best regards Naresh Kamboju
