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| Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|
| upstream | INFO: task hung in rollback_registered_many can | 4 | 2190d | 2198d | 11/28 | fixed on 2018/10/11 14:33 | |||
| linux-4.19 | INFO: task hung in rollback_registered_many | 1 | 1879d | 1879d | 0/1 | auto-closed as invalid on 2019/12/13 02:07 | |||
| android-49 | INFO: task hung in rollback_registered_many | 2 | 1878d | 1934d | 0/3 | auto-closed as invalid on 2019/12/13 20:53 |
INFO: task kworker/u4:5:30594 blocked for more than 143 seconds.
Not tainted 5.3.0-rc4+ #133
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kworker/u4:5 D24472 30594 2 0x80004000
Workqueue: netns cleanup_net
Call Trace:
context_switch kernel/sched/core.c:3254 [inline]
__schedule+0x755/0x1580 kernel/sched/core.c:3880
schedule+0xa8/0x270 kernel/sched/core.c:3944
exp_funnel_lock kernel/rcu/tree_exp.h:308 [inline]
synchronize_rcu_expedited+0x544/0x5b0 kernel/rcu/tree_exp.h:816
synchronize_net+0x3b/0x60 net/core/dev.c:9264
rollback_registered_many+0x595/0xdf0 net/core/dev.c:8188
unregister_netdevice_many.part.0+0x1b/0x1f0 net/core/dev.c:9309
unregister_netdevice_many+0x3b/0x50 net/core/dev.c:9308
ip_tunnel_delete_nets+0x41e/0x5f0 net/ipv4/ip_tunnel.c:1113
ipgre_tap_exit_batch_net+0x23/0x30 net/ipv4/ip_gre.c:1577
ops_exit_list.isra.0+0xfc/0x150 net/core/net_namespace.c:175
cleanup_net+0x4e2/0xa70 net/core/net_namespace.c:594
process_one_work+0x9af/0x1740 kernel/workqueue.c:2269
worker_thread+0x98/0xe40 kernel/workqueue.c:2415
kthread+0x361/0x430 kernel/kthread.c:255
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
INFO: task syz-executor.2:25656 blocked for more than 143 seconds.
Not tainted 5.3.0-rc4+ #133
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.2 D28288 25656 31206 0x00004004
Call Trace:
context_switch kernel/sched/core.c:3254 [inline]
__schedule+0x755/0x1580 kernel/sched/core.c:3880
schedule+0xa8/0x270 kernel/sched/core.c:3944
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4003
__mutex_lock_common kernel/locking/mutex.c:1007 [inline]
__mutex_lock+0x7b0/0x13c0 kernel/locking/mutex.c:1077
mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1092
rtnl_lock+0x17/0x20 net/core/rtnetlink.c:72
sock_do_ioctl+0x24e/0x2f0 net/socket.c:1051
sock_ioctl+0x3ed/0x790 net/socket.c:1189
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:509 [inline]
do_vfs_ioctl+0xdb6/0x13e0 fs/ioctl.c:696
ksys_ioctl+0xab/0xd0 fs/ioctl.c:713
__do_sys_ioctl fs/ioctl.c:720 [inline]
__se_sys_ioctl fs/ioctl.c:718 [inline]
__x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:718
do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:296
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459829
Code: 24 60 48 8b 42 08 48 8b 4a 10 48 8b 5a 18 48 8b 72 20 48 8b 7a 28 48 8b 3f 4c 8b 42 30 48 8b 52 38 48 85 d2 76 62 48 89 44 24 <58> 4c 89 44 24 28 48 89 0c 24 48 89 5c 24 08 48 c7 44 24 10 00 00
RSP: 002b:00007efdfa605c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459829
RDX: 0000000000400200 RSI: 0000000000008912 RDI: 0000000000000004
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007efdfa6066d4
R13: 00000000004c31dd R14: 00000000004d6918 R15: 00000000ffffffff
INFO: task syz-executor.5:25797 blocked for more than 143 seconds.
Not tainted 5.3.0-rc4+ #133
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5 D28704 25797 7525 0x00000004
Call Trace:
context_switch kernel/sched/core.c:3254 [inline]
__schedule+0x755/0x1580 kernel/sched/core.c:3880
schedule+0xa8/0x270 kernel/sched/core.c:3944
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4003
__mutex_lock_common kernel/locking/mutex.c:1007 [inline]
__mutex_lock+0x7b0/0x13c0 kernel/locking/mutex.c:1077
mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1092
rtnl_lock+0x17/0x20 net/core/rtnetlink.c:72
sock_do_ioctl+0x24e/0x2f0 net/socket.c:1051
sock_ioctl+0x3ed/0x790 net/socket.c:1189
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:509 [inline]
do_vfs_ioctl+0xdb6/0x13e0 fs/ioctl.c:696
ksys_ioctl+0xab/0xd0 fs/ioctl.c:713
__do_sys_ioctl fs/ioctl.c:720 [inline]
__se_sys_ioctl fs/ioctl.c:718 [inline]
__x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:718
do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:296
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459829
Code: 24 60 48 8b 42 08 48 8b 4a 10 48 8b 5a 18 48 8b 72 20 48 8b 7a 28 48 8b 3f 4c 8b 42 30 48 8b 52 38 48 85 d2 76 62 48 89 44 24 <58> 4c 89 44 24 28 48 89 0c 24 48 89 5c 24 08 48 c7 44 24 10 00 00
RSP: 002b:00007f60fc78bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459829
RDX: 0000000000400201 RSI: 0000000000008912 RDI: 0000000000000003
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f60fc78c6d4
R13: 00000000004c31dd R14: 00000000004d6918 R15: 00000000ffffffff
INFO: task syz-executor.5:26404 blocked for more than 144 seconds.
Not tainted 5.3.0-rc4+ #133
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5 D29856 26404 7525 0x00000004
Call Trace:
context_switch kernel/sched/core.c:3254 [inline]
__schedule+0x755/0x1580 kernel/sched/core.c:3880
schedule+0xa8/0x270 kernel/sched/core.c:3944
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4003
__mutex_lock_common kernel/locking/mutex.c:1007 [inline]
__mutex_lock+0x7b0/0x13c0 kernel/locking/mutex.c:1077
mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1092
rtnl_lock+0x17/0x20 net/core/rtnetlink.c:72
sock_do_ioctl+0x24e/0x2f0 net/socket.c:1051
sock_ioctl+0x3ed/0x790 net/socket.c:1189
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:509 [inline]
do_vfs_ioctl+0xdb6/0x13e0 fs/ioctl.c:696
ksys_ioctl+0xab/0xd0 fs/ioctl.c:713
__do_sys_ioctl fs/ioctl.c:720 [inline]
__se_sys_ioctl fs/ioctl.c:718 [inline]
__x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:718
do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:296
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459829
Code: 24 60 48 8b 42 08 48 8b 4a 10 48 8b 5a 18 48 8b 72 20 48 8b 7a 28 48 8b 3f 4c 8b 42 30 48 8b 52 38 48 85 d2 76 62 48 89 44 24 <58> 4c 89 44 24 28 48 89 0c 24 48 89 5c 24 08 48 c7 44 24 10 00 00
RSP: 002b:00007f60fc749c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459829
RDX: 0000000000400201 RSI: 0000000000008912 RDI: 0000000000000003
RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f60fc74a6d4
R13: 00000000004c31dd R14: 00000000004d6918 R15: 00000000ffffffff
INFO: task syz-executor.4:26198 blocked for more than 144 seconds.
Not tainted 5.3.0-rc4+ #133
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.4 D28704 26198 20873 0x00004004
Call Trace:
context_switch kernel/sched/core.c:3254 [inline]
__schedule+0x755/0x1580 kernel/sched/core.c:3880
schedule+0xa8/0x270 kernel/sched/core.c:3944
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4003
__mutex_lock_common kernel/locking/mutex.c:1007 [inline]
__mutex_lock+0x7b0/0x13c0 kernel/locking/mutex.c:1077
mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1092
rtnl_lock+0x17/0x20 net/core/rtnetlink.c:72
sock_do_ioctl+0x24e/0x2f0 net/socket.c:1051
sock_ioctl+0x3ed/0x790 net/socket.c:1189
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:509 [inline]
do_vfs_ioctl+0xdb6/0x13e0 fs/ioctl.c:696
ksys_ioctl+0xab/0xd0 fs/ioctl.c:713
__do_sys_ioctl fs/ioctl.c:720 [inline]
__se_sys_ioctl fs/ioctl.c:718 [inline]
__x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:718
do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:296
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459829
Code: 24 60 48 8b 42 08 48 8b 4a 10 48 8b 5a 18 48 8b 72 20 48 8b 7a 28 48 8b 3f 4c 8b 42 30 48 8b 52 38 48 85 d2 76 62 48 89 44 24 <58> 4c 89 44 24 28 48 89 0c 24 48 89 5c 24 08 48 c7 44 24 10 00 00
RSP: 002b:00007f39bca09c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459829
RDX: 0000000000400200 RSI: 0000000000008912 RDI: 0000000000000005
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f39bca0a6d4
R13: 00000000004c31dd R14: 00000000004d6918 R15: 00000000ffffffff
INFO: task syz-executor.1:26200 blocked for more than 144 seconds.
Not tainted 5.3.0-rc4+ #133
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.1 D28304 26200 21103 0x00004004
Call Trace:
context_switch kernel/sched/core.c:3254 [inline]
__schedule+0x755/0x1580 kernel/sched/core.c:3880
schedule+0xa8/0x270 kernel/sched/core.c:3944
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:4003
__mutex_lock_common kernel/locking/mutex.c:1007 [inline]
__mutex_lock+0x7b0/0x13c0 kernel/locking/mutex.c:1077
mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1092
rtnl_lock+0x17/0x20 net/core/rtnetlink.c:72
sock_do_ioctl+0x24e/0x2f0 net/socket.c:1051
sock_ioctl+0x3ed/0x790 net/socket.c:1189
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:509 [inline]
do_vfs_ioctl+0xdb6/0x13e0 fs/ioctl.c:696
ksys_ioctl+0xab/0xd0 fs/ioctl.c:713
__do_sys_ioctl fs/ioctl.c:720 [inline]
__se_sys_ioctl fs/ioctl.c:718 [inline]
__x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:718
do_syscall_64+0xfd/0x6a0 arch/x86/entry/common.c:296
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459829
Code: 24 60 48 8b 42 08 48 8b 4a 10 48 8b 5a 18 48 8b 72 20 48 8b 7a 28 48 8b 3f 4c 8b 42 30 48 8b 52 38 48 85 d2 76 62 48 89 44 24 <58> 4c 89 44 24 28 48 89 0c 24 48 89 5c 24 08 48 c7 44 24 10 00 00
RSP: 002b:00007f31b50adc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459829
RDX: 0000000000400200 RSI: 0000000000008912 RDI: 0000000000000007
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f31b50ae6d4
R13: 00000000004c31dd R14: 00000000004d6918 R15: 00000000ffffffff
INFO: lockdep is turned off.
NMI backtrace for cpu 1
CPU: 1 PID: 1058 Comm: khungtaskd Not tainted 5.3.0-rc4+ #133
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x172/0x1f0 lib/dump_stack.c:113
nmi_cpu_backtrace.cold+0x70/0xb2 lib/nmi_backtrace.c:101
nmi_trigger_cpumask_backtrace+0x23b/0x28b lib/nmi_backtrace.c:62
arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:205 [inline]
watchdog+0x9d0/0xef0 kernel/hung_task.c:289
kthread+0x361/0x430 kernel/kthread.c:255
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:60
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019/08/18 15:05 | upstream | 8fde2832bd0b | 55bf8926 | .config | console log | report | ci-upstream-kasan-gce | |||||
| 2019/08/16 02:20 | upstream | a69e90512d9d | 8fd428a1 | .config | console log | report | ci-upstream-kasan-gce | |||||
| 2019/08/13 15:51 | upstream | d45331b00ddb | 8620c2c2 | .config | console log | report | ci-upstream-kasan-gce | |||||
| 2019/07/29 14:36 | upstream | 609488bc979f | c85e1c5b | .config | console log | report | ci-upstream-kasan-gce | |||||
| 2019/06/19 12:57 | upstream | bed3c0d84e7e | 34bf9440 | .config | console log | report | ci-upstream-kasan-gce | |||||
| 2019/04/20 10:15 | upstream | 371dd432ab39 | b0e8efcb | .config | console log | report | ci-upstream-kasan-gce-selinux-root | |||||
| 2019/03/19 19:48 | upstream | b7a42146dca3 | e4549234 | .config | console log | report | ci-upstream-kasan-gce-selinux-root | |||||
| 2019/03/09 00:38 | upstream | 3601fe43e816 | 12365b99 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
| 2019/06/22 15:48 | net-old | 48620e341659 | 34bf9440 | .config | console log | report | ci-upstream-net-this-kasan-gce | |||||
| 2019/04/29 23:27 | net-old | 2ae7a39770c7 | b617407b | .config | console log | report | ci-upstream-net-this-kasan-gce | |||||
| 2019/03/26 20:18 | net-old | d29f5aa0bc0c | 55684ce1 | .config | console log | report | ci-upstream-net-this-kasan-gce | |||||
| 2018/12/02 07:41 | net-old | 35b827b6d061 | 5a581673 | .config | console log | report | ci-upstream-net-this-kasan-gce | |||||
| 2018/11/24 18:57 | net-old | 07093b764769 | ecc7c870 | .config | console log | report | ci-upstream-net-this-kasan-gce | |||||
| 2019/08/19 13:50 | net-next-old | 10086b345385 | b8ceabfc | .config | console log | report | ci-upstream-net-kasan-gce | |||||
| 2019/08/13 16:18 | net-next-old | 53f6f391786e | 8620c2c2 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
| 2019/08/10 04:58 | net-next-old | ca497fb6aa9f | acb51638 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
| 2019/08/07 23:56 | net-next-old | 13dfb3fa4943 | e6ebef88 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
| 2019/07/29 02:58 | net-next-old | 31cc088a4f5d | c85e1c5b | .config | console log | report | ci-upstream-net-kasan-gce | |||||
| 2019/05/08 10:30 | net-next-old | a55a385d8c84 | a7383bfa | .config | console log | report | ci-upstream-net-kasan-gce | |||||
| 2019/05/01 06:33 | net-next-old | a658a3f2ecba | 618456b4 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
| 2019/04/28 22:29 | net-next-old | b1a79360ee86 | b617407b | .config | console log | report | ci-upstream-net-kasan-gce | |||||
| 2019/04/27 01:21 | net-next-old | 148f025d41a8 | b617407b | .config | console log | report | ci-upstream-net-kasan-gce | |||||
| 2019/04/21 12:11 | net-next-old | 4ef6cbe80d71 | b0e8efcb | .config | console log | report | ci-upstream-net-kasan-gce | |||||
| 2019/04/20 22:24 | net-next-old | 5313794b7915 | b0e8efcb | .config | console log | report | ci-upstream-net-kasan-gce | |||||
| 2019/04/20 15:03 | net-next-old | d7cc399e1227 | b0e8efcb | .config | console log | report | ci-upstream-net-kasan-gce | |||||
| 2019/03/25 20:00 | net-next-old | 68cc2999f692 | 2c86e0a5 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
| 2019/03/22 05:51 | net-next-old | 0b03a5ca8b14 | dce6e62f | .config | console log | report | ci-upstream-net-kasan-gce | |||||
| 2019/03/15 05:32 | net-next-old | 3b319ee220a8 | d72db19b | .config | console log | report | ci-upstream-net-kasan-gce | |||||
| 2019/03/01 14:40 | net-next-old | be9cefe796f3 | 8a4b3a6b | .config | console log | report | ci-upstream-net-kasan-gce | |||||
| 2019/02/26 09:49 | net-next-old | ace4a267e89f | 8022bafd | .config | console log | report | ci-upstream-net-kasan-gce | |||||
| 2019/02/02 12:35 | net-next-old | d6b0a01faa6a | c198d5dd | .config | console log | report | ci-upstream-net-kasan-gce | |||||
| 2018/12/17 19:40 | net-next-old | ae6750e0a5ef | def91db3 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
| 2018/10/28 03:16 | net-next-old | 345671ea0f92 | 8efba39a | .config | console log | report | ci-upstream-net-kasan-gce | |||||
| 2019/04/21 06:36 | linux-next | 3f018f4a019a | b0e8efcb | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
| 2019/04/19 13:58 | linux-next | 3f018f4a019a | b0e8efcb | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
| 2019/02/26 18:59 | linux-next | 8e7f81e2ebc4 | a36ecd98 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root | |||||
| 2019/01/16 16:01 | linux-next | cbeb3db684f7 | d538790b | .config | console log | report | ci-upstream-linux-next-kasan-gce-root |