Re: [syzbot] BUG: unable to handle kernel NULL pointer dereference in htb_select_queue

2021-03-10 Thread Eric Dumazet
On 3/10/21 7:55 PM, Maxim Mikityanskiy wrote: > On 2021-03-10 19:03, Eric Dumazet wrote: >> >> >> On 3/10/21 3:54 PM, Maxim Mikityanskiy wrote: >>> On 2021-03-09 17:20, Eric Dumazet wrote: On 3/9/21 4:13 PM, syzbot wrote: > Hello, > > syzbot found the following issue o

Re: [syzbot] BUG: unable to handle kernel NULL pointer dereference in htb_select_queue

2021-03-10 Thread Maxim Mikityanskiy
On 2021-03-10 19:03, Eric Dumazet wrote: On 3/10/21 3:54 PM, Maxim Mikityanskiy wrote: On 2021-03-09 17:20, Eric Dumazet wrote: On 3/9/21 4:13 PM, syzbot wrote: Hello, syzbot found the following issue on: HEAD commit:    38b5133a octeontx2-pf: Fix otx2_get_fecparam() git tree:   net-

Re: [syzbot] BUG: unable to handle kernel NULL pointer dereference in htb_select_queue

2021-03-10 Thread Eric Dumazet
On 3/10/21 3:54 PM, Maxim Mikityanskiy wrote: > On 2021-03-09 17:20, Eric Dumazet wrote: >> >> >> On 3/9/21 4:13 PM, syzbot wrote: >>> Hello, >>> >>> syzbot found the following issue on: >>> >>> HEAD commit:    38b5133a octeontx2-pf: Fix otx2_get_fecparam() >>> git tree:   net-next >>> conso

Re: [syzbot] BUG: unable to handle kernel NULL pointer dereference in htb_select_queue

2021-03-10 Thread Maxim Mikityanskiy
On 2021-03-09 17:20, Eric Dumazet wrote: On 3/9/21 4:13 PM, syzbot wrote: Hello, syzbot found the following issue on: HEAD commit:38b5133a octeontx2-pf: Fix otx2_get_fecparam() git tree: net-next console output: https://syzkaller.appspot.com/x/log.txt?x=166288a8d0 kernel config

Re: [syzbot] BUG: unable to handle kernel NULL pointer dereference in htb_select_queue

2021-03-09 Thread Eric Dumazet
On 3/9/21 4:13 PM, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit:38b5133a octeontx2-pf: Fix otx2_get_fecparam() > git tree: net-next > console output: https://syzkaller.appspot.com/x/log.txt?x=166288a8d0 > kernel config: https://syzkaller.appspo

[syzbot] BUG: unable to handle kernel NULL pointer dereference in htb_select_queue

2021-03-09 Thread syzbot
Hello, syzbot found the following issue on: HEAD commit:38b5133a octeontx2-pf: Fix otx2_get_fecparam() git tree: net-next console output: https://syzkaller.appspot.com/x/log.txt?x=166288a8d0 kernel config: https://syzkaller.appspot.com/x/.config?x=dbc1ca9e55dc1f9f dashboard link: h

Re: BUG: unable to handle kernel NULL pointer dereference in bpf_prog_ADDR

2020-08-02 Thread John Fastabend
Eric Dumazet wrote: > > > On 8/2/20 3:45 PM, syzbot wrote: > > Hello, > > > > syzbot found the following issue on: > > > > HEAD commit:ac3a0c84 Merge git://git.kernel.org/pub/scm/linux/kernel/g.. > > git tree: upstream > > console output: https://syzkaller.appspot.com/x/log.txt?x=1323

Re: BUG: unable to handle kernel NULL pointer dereference in bpf_prog_ADDR

2020-08-02 Thread Eric Dumazet
On 8/2/20 3:45 PM, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit:ac3a0c84 Merge git://git.kernel.org/pub/scm/linux/kernel/g.. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=1323497090 > kernel config: https://sy

BUG: unable to handle kernel NULL pointer dereference in bpf_prog_ADDR

2020-08-02 Thread syzbot
Hello, syzbot found the following issue on: HEAD commit:ac3a0c84 Merge git://git.kernel.org/pub/scm/linux/kernel/g.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1323497090 kernel config: https://syzkaller.appspot.com/x/.config?x=c0cfcf935bcc94d2 das

BUG: unable to handle kernel NULL pointer dereference in bpf_prog_ADDR_L

2020-07-05 Thread syzbot
Hello, syzbot found the following crash on: HEAD commit:cb8e59cc Merge git://git.kernel.org/pub/scm/linux/kernel/g.. git tree: bpf-next console output: https://syzkaller.appspot.com/x/log.txt?x=1446cfd310 kernel config: https://syzkaller.appspot.com/x/.config?x=a16ddbc78955e3a9 das

Re: [BUG] Unable to handle kernel NULL pointer dereference in phy_support_asym_pause

2019-09-26 Thread Michal Vokáč
On 24. 09. 19 15:10, Michal Vokáč wrote: On 24. 09. 19 14:31, Andrew Lunn wrote: On Tue, Sep 24, 2019 at 01:27:24PM +0200, Michal Vokáč wrote: Hi, just tried booting latest next-20190920 on our imx6dl-yapp4-hydra platform with QCA8334 switch and got this: [7.424620] [<806840e0>] (phy_supp

Re: [BUG] Unable to handle kernel NULL pointer dereference in phy_support_asym_pause

2019-09-25 Thread Heiner Kallweit
On 24.09.2019 13:27, Michal Vokáč wrote: > Hi, > > just tried booting latest next-20190920 on our imx6dl-yapp4-hydra platform > with QCA8334 switch and got this: > > [    6.957822] 8<--- cut here --- > [    6.963550] Unable to handle kernel NULL pointer dereference at virtual > address 0264

Re: [BUG] Unable to handle kernel NULL pointer dereference in phy_support_asym_pause

2019-09-25 Thread Michal Vokáč
On 25. 09. 19 2:44, Andrew Lunn wrote: On Tue, Sep 24, 2019 at 03:10:44PM +0200, Michal Vokáč wrote: On 24. 09. 19 14:31, Andrew Lunn wrote: I added the printk and the above fix and can confirm that it is the CPU port and the phy is NULL pointer: [6.976366] qca8k 2188000.ethernet-1:0a: Usin

Re: [BUG] Unable to handle kernel NULL pointer dereference in phy_support_asym_pause

2019-09-24 Thread Andrew Lunn
On Tue, Sep 24, 2019 at 03:10:44PM +0200, Michal Vokáč wrote: > On 24. 09. 19 14:31, Andrew Lunn wrote: > I added the printk and the above fix and can confirm that it is the CPU > port and the phy is NULL pointer: > > [6.976366] qca8k 2188000.ethernet-1:0a: Using legacy PHYLIB callbacks. > Pl

Re: [BUG] Unable to handle kernel NULL pointer dereference in phy_support_asym_pause

2019-09-24 Thread Michal Vokáč
On 24. 09. 19 14:31, Andrew Lunn wrote: On Tue, Sep 24, 2019 at 01:27:24PM +0200, Michal Vokáč wrote: Hi, just tried booting latest next-20190920 on our imx6dl-yapp4-hydra platform with QCA8334 switch and got this: [7.424620] [<806840e0>] (phy_support_asym_pause) from [<80686724>] (qca8k_

Re: [BUG] Unable to handle kernel NULL pointer dereference in phy_support_asym_pause

2019-09-24 Thread Andrew Lunn
On Tue, Sep 24, 2019 at 01:27:24PM +0200, Michal Vokáč wrote: > Hi, > > just tried booting latest next-20190920 on our imx6dl-yapp4-hydra platform > with QCA8334 switch and got this: > > [7.424620] [<806840e0>] (phy_support_asym_pause) from [<80686724>] > (qca8k_port_enable+0x40/0x48) > [

[BUG] Unable to handle kernel NULL pointer dereference in phy_support_asym_pause

2019-09-24 Thread Michal Vokáč
Hi, just tried booting latest next-20190920 on our imx6dl-yapp4-hydra platform with QCA8334 switch and got this: [6.957822] 8<--- cut here --- [6.963550] Unable to handle kernel NULL pointer dereference at virtual address 0264 [6.974342] pgd = (ptrval) [6.979751] [0264]

Re: bpf: test_tunnel.sh: BUG: unable to handle kernel NULL pointer dereference

2019-02-14 Thread Alexei Starovoitov
997647] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready > > [ 274.054068] ip (11458) used greatest stack depth: 11448 bytes left > > [ 274.120445] BUG: unable to handle kernel NULL pointer dereference > > at > > [ 274.128285] #PF error: [INSTR] >

Re: bpf: test_tunnel.sh: BUG: unable to handle kernel NULL pointer dereference

2019-02-11 Thread Alan Maguire
eatest stack depth: 11448 bytes left > [ 274.120445] BUG: unable to handle kernel NULL pointer dereference > at > [ 274.128285] #PF error: [INSTR] > [ 274.131351] PGD 800414a0e067 P4D 800414a0e067 PUD 3b6334067 PMD 0 > [ 274.138241] Oops: 0010 [#1] SM

bpf: test_tunnel.sh: BUG: unable to handle kernel NULL pointer dereference

2019-02-01 Thread Naresh Kamboju
Kernel panic while running bpf: test_tunnel.sh on linux -next 5.0.0-rc4-next-20190129. selftests: bpf: test_tunnel.sh [ 273.997647] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 274.054068] ip (11458) used greatest stack depth: 11448 bytes left [ 274.120445] BUG: unable to handle

Re: BUG: unable to handle kernel NULL pointer dereference in setup_kmem_cache_node

2019-01-02 Thread Dmitry Vyukov
On Wed, Jan 2, 2019 at 4:51 PM Christopher Lameter wrote: > > On Wed, 2 Jan 2019, Dmitry Vyukov wrote: > > > Am I missing something or __alloc_alien_cache misses check for > > kmalloc_node result? > > > > static struct alien_cache *__alloc_alien_cache(int node, int entries, > >

Re: BUG: unable to handle kernel NULL pointer dereference in setup_kmem_cache_node

2019-01-02 Thread Christopher Lameter
On Wed, 2 Jan 2019, Dmitry Vyukov wrote: > Am I missing something or __alloc_alien_cache misses check for > kmalloc_node result? > > static struct alien_cache *__alloc_alien_cache(int node, int entries, > int batch, gfp_t gfp) > { > size_t me

Re: BUG: unable to handle kernel NULL pointer dereference in setup_kmem_cache_node

2019-01-02 Thread Dmitry Vyukov
it_arraycache(&alc->ac, entries, batch); spin_lock_init(&alc->lock); return alc; } > BUG: unable to handle kernel NULL pointer dereference at 0038 > #PF error: [WRITE] > PGD 8b2a5067 P4D 8b2a5067 PUD a53ed067 PMD 0 > Oops: 0002 [#1] PREEMPT S

BUG: unable to handle kernel NULL pointer dereference in setup_kmem_cache_node

2019-01-02 Thread syzbot
rted-by: syzbot+d6ed4ec679652b4fd...@syzkaller.appspotmail.com BUG: unable to handle kernel NULL pointer dereference at 0038 #PF error: [WRITE] PGD 8b2a5067 P4D 8b2a5067 PUD a53ed067 PMD 0 Oops: 0002 [#1] PREEMPT SMP KASAN CPU: 1 PID: 16188 Comm: syz-executor4 Not tainted 4.20.0+ #174 Hardwa

Re: [lkp-robot] 486ad79630 [ 15.532543] BUG: unable to handle kernel NULL pointer dereference at 0000000000000004

2018-05-03 Thread Cong Wang
On Wed, May 2, 2018 at 10:44 PM, Andrew Morton wrote: > On Wed, 2 May 2018 21:58:25 -0700 Cong Wang wrote: > >> On Wed, May 2, 2018 at 9:27 PM, Andrew Morton >> wrote: >> > >> > So it's saying that something which got committed into Linus's tree >> > after 4.17-rc3 has caused a NULL deref in >>

Re: [lkp-robot] 486ad79630 [ 15.532543] BUG: unable to handle kernel NULL pointer dereference at 0000000000000004

2018-05-02 Thread Andrew Morton
On Wed, 2 May 2018 21:58:25 -0700 Cong Wang wrote: > On Wed, May 2, 2018 at 9:27 PM, Andrew Morton > wrote: > > > > So it's saying that something which got committed into Linus's tree > > after 4.17-rc3 has caused a NULL deref in > > sock_release->llc_ui_release+0x3a/0xd0 > > Do you mean it co

Re: [lkp-robot] 486ad79630 [ 15.532543] BUG: unable to handle kernel NULL pointer dereference at 0000000000000004

2018-05-02 Thread Cong Wang
On Wed, May 2, 2018 at 9:27 PM, Andrew Morton wrote: > > So it's saying that something which got committed into Linus's tree > after 4.17-rc3 has caused a NULL deref in > sock_release->llc_ui_release+0x3a/0xd0 Do you mean it contains commit 3a04ce7130a7 ("llc: fix NULL pointer deref for SOCK_ZAPP

Re: [lkp-robot] 486ad79630 [ 15.532543] BUG: unable to handle kernel NULL pointer dereference at 0000000000000004

2018-05-02 Thread Andrew Morton
; [many lines deleted] > > [main] Setsockopt(101 c 1b24000 a) on fd 177 [3:5:240] > [main] Setsockopt(1 2c 1b24000 4) on fd 178 [5:2:0] > [main] Setsockopt(29 8 1b24000 4) on fd 180 [10:1:0] > [main] Setsockopt(1 20 1b24000 4) on fd 181 [26:2:125] > [main] Setsockopt(11 1 1b24000 4) o

Re: [llc_ui_release] BUG: unable to handle kernel NULL pointer dereference at 0000000000000004

2018-04-29 Thread Fengguang Wu
cachefile. [main] Generating file descriptors [main] Added 83 filenames from /dev udevd[507]: failed to execute '/sbin/modprobe' '/sbin/modprobe -bv platform:regulatory': No such file or directory [ 372.057947] caif:caif_disconnect_client(): nothing to disconnect [ 372.082415] B

Re: [llc_ui_release] BUG: unable to handle kernel NULL pointer dereference at 0000000000000004

2018-04-28 Thread Linus Torvalds
t; [main] Added 83 filenames from /dev > udevd[507]: failed to execute '/sbin/modprobe' '/sbin/modprobe -bv platform:regulatory': No such file or directory > [ 372.057947] caif:caif_disconnect_client(): nothing to disconnect > [ 372.082415] BUG: unable to handle kernel

BUG: unable to handle kernel NULL pointer dereference in netlink_getsockbyportid

2018-04-19 Thread Jean-Baptiste Theou
Hi, syzkaller found a null pointer in read_pnet on 4.4.128 (Latest LTS). Unfortunately I don't have a repo code for now. Will post and test on the top of the tree if available. Due to my testing env (Android), cannot run Linus top of the tree. Could be related to https://www.spinics.net/lists/ne

Re: aquantia - BUG: unable to handle kernel NULL pointer dereference at 0000000000000058 on reboot

2018-04-10 Thread Yanko Kaneti
On Tue, 2018-04-10 at 15:53 +0300, Igor Russkikh wrote: > On 10.04.2018 15:42, Yanko Kaneti wrote: > > Hello, > > > > Since 90869ddfefeb net: aquantia: Implement pci shutdown callback > > I get the below oops on reboot. Without the callback everything works > > as expected. > > > > Thanks, we

Re: aquantia - BUG: unable to handle kernel NULL pointer dereference at 0000000000000058 on reboot

2018-04-10 Thread Igor Russkikh
On 10.04.2018 15:42, Yanko Kaneti wrote: > Hello, > > Since 90869ddfefeb net: aquantia: Implement pci shutdown callback > I get the below oops on reboot. Without the callback everything works > as expected. > Thanks, we also recently found out that. Could you please try the below patch? di

aquantia - BUG: unable to handle kernel NULL pointer dereference at 0000000000000058 on reboot

2018-04-10 Thread Yanko Kaneti
rawhide config - atlantic is a module. [ 6278.083643] BUG: unable to handle kernel NULL pointer dereference at 0058 [ 6278.091536] PGD 0 P4D 0 [ 6278.094113] Oops: [#1] SMP NOPTI [ 6278.097802] Modules linked in: nfsv3 nfs_acl nfs lockd grace fscache pppoe pppox ppp_synctty

Re: BUG: unable to handle kernel NULL pointer dereference in sctp_stream_free

2018-01-30 Thread Marcelo Ricardo Leitner
; kfree(stream->out); > > > stream->out = NULL; > > > + stream->outcnt = 0; > > > out: > > > return ret; > > > } > > > > In case it can't be verified due to no reproducer yet, I modified some >

Re: BUG: unable to handle kernel NULL pointer dereference in sctp_stream_free

2018-01-30 Thread Eric Biggers
; code in sctp_stream_init() to confirm Marcelo's deduction: > - i = sctp_stream_alloc_in(stream, incnt, gfp); > + i = 1; > if (i) { > ret = -ENOMEM; > goto free; > > And got the same call trace as the mail: >

Re: BUG: unable to handle kernel NULL pointer dereference in sctp_cmp_addr_exact

2018-01-30 Thread Marcelo Ricardo Leitner
23647:23660 DecRefs 0 refcount change on invalid ref 4 ret -22 > > binder: 23647:23660 BC_CLEAR_DEATH_NOTIFICATION invalid ref 0 > > binder: 23647:23660 BC_REQUEST_DEATH_NOTIFICATION invalid ref 3 > > binder: 23647:23660 got reply transaction with no transaction stack > > binder: 23647:23660 t

Re: [rds-devel] BUG: unable to handle kernel NULL pointer dereference in rds_send_xmit

2018-01-30 Thread Sowmini Varadhan
On (01/30/18 14:22), Eric Biggers wrote: > > I assume you weren't able to reproduce this? This crash hasn't been > seen again, : > I am invalidating the bug for syzbot so it will report the same crash > signature > again if it occurs, but if you think there is a real bug feel free to keep > loo

Re: [rds-devel] BUG: unable to handle kernel NULL pointer dereference in rds_send_xmit

2018-01-30 Thread Eric Biggers
On Mon, Dec 18, 2017 at 12:22:51PM -0500, Sowmini Varadhan wrote: > > From: Santosh Shilimkar > > Date: Mon, 18 Dec 2017 08:28:05 -0800 > : > > > Looks like another one tripping on empty transport. Mostly below > > > should > > > address it but we will test it if it does. > > that was my first

Re: BUG: unable to handle kernel NULL pointer dereference in inet6_fill_ifinfo

2018-01-30 Thread Eric Biggers
ttached > Raw console output is attached. > > Unfortunately, I don't have any reproducer for this bug yet. > > > BUG: unable to handle kernel NULL pointer dereference at 022c > IP: inet6_fill_ifinfo+0x8e/0x2c0 net/ipv6/addrconf.c:5357 > PGD 1dffd8067 P4D 1

Re: BUG: unable to handle kernel NULL pointer dereference in snmp6_unregister_dev

2018-01-30 Thread Eric Biggers
ttached > Raw console output is attached. > > Unfortunately, I don't have any reproducer for this bug yet. > > > BUG: unable to handle kernel NULL pointer dereference at 0578 > IP: read_pnet include/net/net_namespace.h:270 [inline] > IP: de

Re: BUG: unable to handle kernel NULL pointer dereference in ip_mc_up

2018-01-30 Thread Eric Biggers
ttached > Raw console output is attached. > > Unfortunately, I don't have any reproducer for this bug yet. > > > netlink: 29 bytes leftover after parsing attributes in process > `syz-executor2'. > device eql entered promiscuous mode > BUG: unable to handl

Re: BUG: unable to handle kernel NULL pointer dereference in tc_fill_qdisc

2018-01-30 Thread Eric Biggers
ttached > Raw console output is attached. > > Unfortunately, I don't have any reproducer for this bug yet. > > > BUG: unable to handle kernel NULL pointer dereference at (null) > IP: qdisc_dev include/net/sch_generic.h:379 [inline] > IP: tc_fill_qdisc+0xc8

Re: BUG: unable to handle kernel NULL pointer dereference in qdisc_match_from_root

2018-01-30 Thread Eric Biggers
ttached > Raw console output is attached. > > Unfortunately, I don't have any reproducer for this bug yet. > > > netlink: 1 bytes leftover after parsing attributes in process > `syz-executor6'. > BUG: unable to handle kernel NULL pointer dereference at

Re: BUG: unable to handle kernel NULL pointer dereference in ipv6_get_lladdr

2018-01-30 Thread Eric Biggers
ttached > Raw console output is attached. > > Unfortunately, I don't have any reproducer for this bug yet. > > > device lo entered promiscuous mode > device lo left promiscuous mode > BUG: unable to handle kernel NULL pointer dereference at 0328 > IP:

Re: BUG: unable to handle kernel NULL pointer dereference in neigh_fill_info

2018-01-30 Thread Eric Biggers
ttached > Raw console output is attached. > > Unfortunately, I don't have any reproducer for this bug yet. > > > netlink: 3 bytes leftover after parsing attributes in process > `syz-executor5'. > netlink: 3 bytes leftover after parsing attributes in process

Re: BUG: unable to handle kernel NULL pointer dereference in addrconf_notify

2018-01-30 Thread Eric Biggers
ttached > Raw console output is attached. > > Unfortunately, I don't have any reproducer for this bug yet. > > > ALSA: seq fatal error: cannot create timer (-22) > device syz2 entered promiscuous mode > BUG: unable to handle kernel NULL pointer dereference at

Re: BUG: unable to handle kernel NULL pointer dereference in sctp_cmp_addr_exact

2018-01-30 Thread Eric Biggers
:23660 BC_REQUEST_DEATH_NOTIFICATION invalid ref 3 > binder: 23647:23660 got reply transaction with no transaction stack > binder: 23647:23660 transaction failed 29201/-71, size 24-16 line 2747 > BUG: unable to handle kernel NULL pointer dereference at 0078 > IP: sctp_cmp_add

Re: BUG: unable to handle kernel NULL pointer dereference in addrconf_ifdown

2018-01-30 Thread Eric Biggers
ttached > Raw console output is attached. > > Unfortunately, I don't have any reproducer for this bug yet. > > > BUG: unable to handle kernel NULL pointer dereference at (null) > IP: addrconf_ifdown+0x3a2/0x780 net/ipv6/addrconf.c:3674 > PGD 1df99c067 P4D 1

Re: BUG: unable to handle kernel NULL pointer dereference in sctp_stream_free

2017-12-21 Thread Xin Long
fied some code in sctp_stream_init() to confirm Marcelo's deduction: - i = sctp_stream_alloc_in(stream, incnt, gfp); + i = 1; if (i) { ret = -ENOMEM; goto free; And got the same call trace as the mail: [ 301.488065] BUG: unable to handle ke

Re: [rds-devel] BUG: unable to handle kernel NULL pointer dereference in rds_send_xmit

2017-12-18 Thread Sowmini Varadhan
> From: Santosh Shilimkar > Date: Mon, 18 Dec 2017 08:28:05 -0800 : > > Looks like another one tripping on empty transport. Mostly below > > should > > address it but we will test it if it does. that was my first thought, but it cannot be the case here: rds_sendmsg etc itself would have bombed

Re: BUG: unable to handle kernel NULL pointer dereference in rds_send_xmit

2017-12-18 Thread Santosh Shilimkar
-next.git/master compiler: gcc (GCC) 7.1.1 20170620 .config is attached Raw console output is attached. Unfortunately, I don't have any reproducer for this bug yet. BUG: unable to handle kernel NULL pointer dereference at 0028 program syz-executor6 is using a deprecated SCSI ioctl, p

Re: BUG: unable to handle kernel NULL pointer dereference in rds_send_xmit

2017-12-18 Thread David Miller
aster >> compiler: gcc (GCC) 7.1.1 20170620 >> .config is attached >> Raw console output is attached. >> Unfortunately, I don't have any reproducer for this bug yet. >> BUG: unable to handle kernel NULL pointer dereference at >> 0028 >> progr

Re: BUG: unable to handle kernel NULL pointer dereference in rds_send_xmit

2017-12-18 Thread Santosh Shilimkar
. Unfortunately, I don't have any reproducer for this bug yet. BUG: unable to handle kernel NULL pointer dereference at 0028 program syz-executor6 is using a deprecated SCSI ioctl, please convert it to SG_IO IP: rds_send_xmit+0x80/0x930 net/rds/send.c:186 Looks like another one trippi

Re: BUG: unable to handle kernel NULL pointer dereference in rds_send_xmit

2017-12-18 Thread Sowmini Varadhan
On (12/18/17 00:43), syzbot wrote: > BUG: unable to handle kernel NULL pointer dereference at 0028 > program syz-executor6 is using a deprecated SCSI ioctl, please convert it to > SG_IO > IP: rds_send_xmit+0x80/0x930 net/rds/send.c:186 conn->c_trans is at offset 0x28.

Re: BUG: unable to handle kernel NULL pointer dereference in fdb_find_rcu

2017-12-16 Thread Nikolay Aleksandrov
today we get this bug: >>>> >>>> The kernel version is 4.15.0-rc3-next-20171215 >>>> >>>> [ 235.397328] BUG: unable to handle kernel NULL pointer dereference >>>> at 000c >>>> [ 235.398624] IP: fdb_find_rcu+0x

Re: BUG: unable to handle kernel NULL pointer dereference in fdb_find_rcu

2017-12-16 Thread Nikolay Aleksandrov
is 4.15.0-rc3-next-20171215 >>> >>> [ 235.397328] BUG: unable to handle kernel NULL pointer dereference >>> at 000c >>> [ 235.398624] IP: fdb_find_rcu+0x3c/0x130 >> [snip] >> >> Hi, >> Thanks for the report, I've missed the

Re: BUG: unable to handle kernel NULL pointer dereference in fdb_find_rcu

2017-12-16 Thread Nikolay Aleksandrov
On 16/12/17 11:17, Nikolay Aleksandrov wrote: > On 16/12/17 02:37, Andrei Vagin wrote: >> Hi, >> >> We run criu tests for linux-next and today we get this bug: >> >> The kernel version is 4.15.0-rc3-next-20171215 >> >> [ 235.397328] BUG: unable to

Re: BUG: unable to handle kernel NULL pointer dereference in fdb_find_rcu

2017-12-16 Thread Nikolay Aleksandrov
On 16/12/17 02:37, Andrei Vagin wrote: > Hi, > > We run criu tests for linux-next and today we get this bug: > > The kernel version is 4.15.0-rc3-next-20171215 > > [ 235.397328] BUG: unable to handle kernel NULL pointer dereference > at 000c > [ 235.39

BUG: unable to handle kernel NULL pointer dereference in fdb_find_rcu

2017-12-15 Thread Andrei Vagin
Hi, We run criu tests for linux-next and today we get this bug: The kernel version is 4.15.0-rc3-next-20171215 [ 235.397328] BUG: unable to handle kernel NULL pointer dereference at 000c [ 235.398624] IP: fdb_find_rcu+0x3c/0x130 [ 235.399365] PGD 51970067 P4D 51970067 PUD

Re: BUG: unable to handle kernel NULL pointer dereference

2017-12-03 Thread Eric Biggers
On Sun, Dec 03, 2017 at 04:37:01AM -0800, syzbot wrote: > BUG: KASAN: use-after-free in skcipher_request_set_tfm > include/crypto/skcipher.h:499 [inline] > BUG: KASAN: use-after-free in crypto_aead_copy_sgl crypto/algif_aead.c:85 > [inline] > BUG: KASAN: use-after-free in _aead_recvmsg crypto/algif

Re: linux-next: BUG: unable to handle kernel NULL pointer dereference in __sk_mem_raise_allocated()

2016-11-15 Thread Paolo Abeni
On Tue, 2016-11-15 at 06:02 -0800, Eric Dumazet wrote: > On Tue, 2016-11-15 at 10:26 +0100, Paolo Abeni wrote: > > Hi, > > > > On Mon, 2016-11-14 at 15:24 -0800, Andrei Vagin wrote: > > > Our test system detected a kernel oops. Looks like a problem in the > > > "udp: refactor memory accounting" se

Re: linux-next: BUG: unable to handle kernel NULL pointer dereference in __sk_mem_raise_allocated()

2016-11-15 Thread Eric Dumazet
On Tue, 2016-11-15 at 10:26 +0100, Paolo Abeni wrote: > Hi, > > On Mon, 2016-11-14 at 15:24 -0800, Andrei Vagin wrote: > > Our test system detected a kernel oops. Looks like a problem in the > > "udp: refactor memory accounting" series. > > My fault: I missed udplite in my tests. > > Thank you f

Re: linux-next: BUG: unable to handle kernel NULL pointer dereference in __sk_mem_raise_allocated()

2016-11-15 Thread Paolo Abeni
Hi, On Mon, 2016-11-14 at 15:24 -0800, Andrei Vagin wrote: > Our test system detected a kernel oops. Looks like a problem in the > "udp: refactor memory accounting" series. My fault: I missed udplite in my tests. Thank you for reporting. I'm fine with Eric's patch, setting both .memory_allocate

Re: linux-next: BUG: unable to handle kernel NULL pointer dereference in __sk_mem_raise_allocated()

2016-11-15 Thread Paolo Abeni
On Mon, 2016-11-14 at 16:31 -0800, Eric Dumazet wrote: > On Mon, 2016-11-14 at 15:58 -0800, Andrei Vagin wrote: > > > > > Yes, you are right. It works if we set .memory_allocated and .sysctl_mem. > > Now the question would be : > > Are we okay if UDP and UDPlite share the same limits ? > > I w

Re: linux-next: BUG: unable to handle kernel NULL pointer dereference in __sk_mem_raise_allocated()

2016-11-14 Thread Eric Dumazet
On Mon, 2016-11-14 at 15:58 -0800, Andrei Vagin wrote: > > Yes, you are right. It works if we set .memory_allocated and .sysctl_mem. Now the question would be : Are we okay if UDP and UDPlite share the same limits ? I would vote for yes, because these default limits are huge anyway (The 50% re

Re: linux-next: BUG: unable to handle kernel NULL pointer dereference in __sk_mem_raise_allocated()

2016-11-14 Thread Andrei Vagin
step and 850cbaddb52dfd4e0c7cabe2c168dd34b44ae0b9 is the first bad commit. > # first bad commit: [a10b91b8b81c29b87ff5a6d58c1402898337b956] Merge > branch 'udpmem' > > > [ 112.472363] BUG: unable to handle kernel NULL pointer dereference > at (null) > [ 112.4733

Re: linux-next: BUG: unable to handle kernel NULL pointer dereference in __sk_mem_raise_allocated()

2016-11-14 Thread Andrei Vagin
wn >> memory accounting schema >> git bisect good 850cbaddb52dfd4e0c7cabe2c168dd34b44ae0b9 >> # first bad commit: [a10b91b8b81c29b87ff5a6d58c1402898337b956] Merge >> branch 'udpmem' >> >> >> [ 112.472363] BUG: unable to handle kernel NULL pointer

Re: linux-next: BUG: unable to handle kernel NULL pointer dereference in __sk_mem_raise_allocated()

2016-11-14 Thread Eric Dumazet
On Mon, 2016-11-14 at 15:35 -0800, Eric Dumazet wrote: > > Thanks for the report. > > I guess following patch would be needed ? > > diff --git a/net/ipv4/udplite.c b/net/ipv4/udplite.c > index > af817158d830c0da080935ba29e012dffbb89112..12604c0371c451efcc9aad278bb86be9ac4bb813 > 100644 > ---

Re: linux-next: BUG: unable to handle kernel NULL pointer dereference in __sk_mem_raise_allocated()

2016-11-14 Thread Eric Dumazet
ad commit: [a10b91b8b81c29b87ff5a6d58c1402898337b956] Merge > branch 'udpmem' > > > [ 112.472363] BUG: unable to handle kernel NULL pointer dereference > at (null) > [ 112.473360] IP: [] __sk_mem_raise_allocated+0x31/0x3f0 > [ 112.474156] PGD 62a08067 [ 112.474455]

linux-next: BUG: unable to handle kernel NULL pointer dereference in __sk_mem_raise_allocated()

2016-11-14 Thread Andrei Vagin
402898337b956 # good: [850cbaddb52dfd4e0c7cabe2c168dd34b44ae0b9] udp: use it's own memory accounting schema git bisect good 850cbaddb52dfd4e0c7cabe2c168dd34b44ae0b9 # first bad commit: [a10b91b8b81c29b87ff5a6d58c1402898337b956] Merge branch 'udpmem' [ 112.472363] BUG: unable to handle kernel NULL pointer dereferenc

[perf core] c5dfd78eb7: BUG: unable to handle kernel NULL pointer dereference at 00000c40

2016-06-24 Thread kernel test robot
m /dev [ 56.590952] BUG: unable to handle kernel NULL pointer dereference at 0c40 [ 56.598975] IP: [<790e4f29>] perf_prepare_sample+0x229/0x330 [ 56.599783] *pde = [ 56.601158] Oops: [#1] SMP [ 56.604020] CPU: 1 PID: 398 Comm: trinity-main Not tainted 4.6.0-rc4-00181

Re: PROBLEM: oops, Linus tree: 2.6.23-g4fa4d23f, BUG: unable to handle kernel NULL pointer dereference at virtual address 00000004

2007-10-21 Thread Guillaume Chazarain
Le Sun, 21 Oct 2007 13:16:32 +0800, Coly Li <[EMAIL PROTECTED]> a écrit : > > This should be fixed in recent git by > > http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9b013e05e0289c190a53d78ca029e2f21c0e4485 > > > Maybe we encounter same condition, at least the symbol

Re: PROBLEM: oops, Linus tree: 2.6.23-g4fa4d23f, BUG: unable to handle kernel NULL pointer dereference at virtual address 00000004

2007-10-20 Thread Coly Li
Guillaume Chazarain wrote: >>> BUG: unable to handle kernel NULL pointer dereference at virtual address >>> 0004 > > This should be fixed in recent git by > http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9b013e05e0289c190a53d78ca

Re: PROBLEM: oops, Linus tree: 2.6.23-g4fa4d23f, BUG: unable to handle kernel NULL pointer dereference at virtual address 00000004

2007-10-20 Thread Guillaume Chazarain
> > BUG: unable to handle kernel NULL pointer dereference at virtual address > > 0004 This should be fixed in recent git by http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=9b013e05e0289c190a53d78ca029e2f21c0e4485 HTH. -- Guillaume - To unsubscri

Re: PROBLEM: oops, Linus tree: 2.6.23-g4fa4d23f, BUG: unable to handle kernel NULL pointer dereference at virtual address 00000004

2007-10-20 Thread Jiri Kosina
added some relevant CCs On Sat, 20 Oct 2007, Dave Haywood wrote: > BUG: unable to handle kernel NULL pointer dereference at virtual address > 0004 > > Linux s1 2.6.23-g4fa4d23f #4 Fri Oct 19 10:15:50 BST 2007 i686 Pentium III > (Coppermine) GenuineIntel GNU/L

Re: BUG: unable to handle kernel NULL pointer dereference at virtual address 000000b0

2007-10-18 Thread Krzysztof Oledzki
On Thu, 18 Oct 2007, Patrick McHardy wrote: Krzysztof Oledzki wrote: Hum, you are using IPT_TPROXY thing, which is not in linux-2.6.22.9 It is only compiled in, not used at the moment. But at least the previous version (before those patches posted a week ago) touches the routing code in e

Re: BUG: unable to handle kernel NULL pointer dereference at virtual address 000000b0

2007-10-18 Thread Patrick McHardy
Krzysztof Oledzki wrote: Hum, you are using IPT_TPROXY thing, which is not in linux-2.6.22.9 It is only compiled in, not used at the moment. But at least the previous version (before those patches posted a week ago) touches the routing code in exactly that function. - To unsubscribe from this

Re: BUG: unable to handle kernel NULL pointer dereference at virtual address 000000b0

2007-10-18 Thread Krzysztof Oledzki
On Wed, 17 Oct 2007, Eric Dumazet wrote: Krzysztof Oledzki a écrit : On Wed, 17 Oct 2007, Eric Dumazet wrote: Krzysztof Oledzki a écrit : On Wed, 17 Oct 2007, Eric Dumazet wrote: Krzysztof Oledzki a écrit : Hello, Today I found in my logs: BUG: unable to handle kernel NULL

Re: BUG: unable to handle kernel NULL pointer dereference at virtual address 000000b0

2007-10-17 Thread Eric Dumazet
Krzysztof Oledzki a écrit : On Wed, 17 Oct 2007, Eric Dumazet wrote: Krzysztof Oledzki a écrit : On Wed, 17 Oct 2007, Eric Dumazet wrote: Krzysztof Oledzki a écrit : Hello, Today I found in my logs: BUG: unable to handle kernel NULL pointer dereference at virtual address 00b0

Re: BUG: unable to handle kernel NULL pointer dereference at virtual address 000000b0

2007-10-17 Thread Krzysztof Oledzki
On Wed, 17 Oct 2007, Eric Dumazet wrote: Krzysztof Oledzki a écrit : On Wed, 17 Oct 2007, Eric Dumazet wrote: Krzysztof Oledzki a écrit : Hello, Today I found in my logs: BUG: unable to handle kernel NULL pointer dereference at virtual address 00b0 printing eip: 78395f65 *pde

Re: BUG: unable to handle kernel NULL pointer dereference at virtual address 000000b0

2007-10-17 Thread Eric Dumazet
Krzysztof Oledzki a écrit : On Wed, 17 Oct 2007, Eric Dumazet wrote: Krzysztof Oledzki a écrit : Hello, Today I found in my logs: BUG: unable to handle kernel NULL pointer dereference at virtual address 00b0 printing eip: 78395f65 *pde = Oops: [#1] PREEMPT SMP CPU

Re: BUG: unable to handle kernel NULL pointer dereference at virtual address 000000b0

2007-10-17 Thread Krzysztof Oledzki
On Wed, 17 Oct 2007, Eric Dumazet wrote: Krzysztof Oledzki a écrit : Hello, Today I found in my logs: BUG: unable to handle kernel NULL pointer dereference at virtual address 00b0 printing eip: 78395f65 *pde = Oops: [#1] PREEMPT SMP CPU:0 EIP:0060:[<78395

Re: BUG: unable to handle kernel NULL pointer dereference at virtual address 000000b0

2007-10-17 Thread Eric Dumazet
Krzysztof Oledzki a écrit : Hello, Today I found in my logs: BUG: unable to handle kernel NULL pointer dereference at virtual address 00b0 printing eip: 78395f65 *pde = Oops: [#1] PREEMPT SMP CPU:0 EIP:0060:[<78395f65>]Not tainted VLI EFLAGS: 00

BUG: unable to handle kernel NULL pointer dereference at virtual address 000000b0

2007-10-16 Thread Krzysztof Oledzki
Hello, Today I found in my logs: BUG: unable to handle kernel NULL pointer dereference at virtual address 00b0 printing eip: 78395f65 *pde = Oops: [#1] PREEMPT SMP CPU:0 EIP:0060:[<78395f65>]Not tainted VLI EFLAGS: 00210286 (2.6.22.9 #1) EIP

Re: BUG: unable to handle kernel NULL pointer dereference<1>

2007-09-07 Thread Michal Piotrowski
Hi Mark, [Adding netdev to CC] On 07/09/2007, Mark Nipper <[EMAIL PROTECTED]> wrote: > I've received two oopses now from my kernel while running > the 2.6.22 series. The first was with 2.6.22.1 back in July and > the second which happened just within the last day is 2.6.22.5. > They both

Re: BUG: unable to handle kernel NULL pointer dereference - linux-2.6.22

2007-08-23 Thread Michal Piotrowski
hanging). > If I'm lucky the Oops below makes it to my syslog (unfortunately SysRq-{p,s,i} > doesn't work when it hangs, neither can I ssh into it): > > Aug 18 19:47:41 draco kernel: BUG: unable to handle kernel NULL pointer > dereference at virtual address > Aug 18

Re: 2.6.18 BUG: unable to handle kernel NULL pointer dereference at virtual address 000,0000a

2006-09-24 Thread Ingo Molnar
* Andrew Morton <[EMAIL PROTECTED]> wrote: > You have tcp_v6 lockdep warnings. They're in > http://xml.cweiske.de/dojo%20kernelpanic%20+%20debug.tar.bz2 is anyone is > keen. (I've largely lost interest in lockdep warnings - many of them are > false positives and require make-lockdep-shut-up pat

Re: 2.6.18 BUG: unable to handle kernel NULL pointer dereference at virtual address 000,0000a

2006-09-24 Thread Andrew Morton
r: [<3000>](0x3000) 000: 00 00 00 10 a2 08 c6 a8 a5 08 c6 46 3a 00 00 10 010: 10 41 c0 bc a2 08 c6 20 d3 60 c0 00 00 00 00 00 slab error in cache_alloc_debugcheck_after(): cache `ip_conntrack': double freen [] show_trace+0x19/0x20 [] dump_stack+0x1a/0x20 [] __slab_error+0x21/0x30 [