Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported |
---|---|---|---|---|---|---|
INFO: task hung in unregister_netdevice_notifier (3) can | syz | error | error | 184 | 1941d | 2126d |
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Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported |
---|---|---|---|---|---|---|
INFO: task hung in unregister_netdevice_notifier (3) can | syz | error | error | 184 | 1941d | 2126d |
Title | Replies (including bot) | Last reply |
---|---|---|
INFO: task hung in bcm_release | 0 (1) | 2020/01/07 16:03 |
INFO: task syz-executor.2:24747 blocked for more than 143 seconds. Not tainted 5.13.0-rc5-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:25392 pid:24747 ppid: 20990 flags:0x00004002 Call Trace: context_switch kernel/sched/core.c:4339 [inline] __schedule+0xb98/0x1120 kernel/sched/core.c:5147 schedule+0x14b/0x200 kernel/sched/core.c:5226 rwsem_down_write_slowpath+0xe52/0x1590 kernel/locking/rwsem.c:1106 __down_write_common kernel/locking/rwsem.c:1261 [inline] __down_write kernel/locking/rwsem.c:1270 [inline] down_write+0x165/0x170 kernel/locking/rwsem.c:1407 unregister_netdevice_notifier+0x8e/0x430 net/core/dev.c:1949 bcm_release+0x77/0x820 net/can/bcm.c:1474 __sock_release net/socket.c:599 [inline] sock_close+0xd8/0x260 net/socket.c:1258 __fput+0x352/0x7b0 fs/file_table.c:280 task_work_run+0x146/0x1c0 kernel/task_work.c:164 exit_task_work include/linux/task_work.h:32 [inline] do_exit+0x736/0x23d0 kernel/exit.c:826 do_group_exit+0x168/0x2d0 kernel/exit.c:923 get_signal+0x1770/0x2180 kernel/signal.c:2835 arch_do_signal_or_restart+0x8e/0x6c0 arch/x86/kernel/signal.c:789 handle_signal_work kernel/entry/common.c:147 [inline] exit_to_user_mode_loop kernel/entry/common.c:171 [inline] exit_to_user_mode_prepare+0xac/0x200 kernel/entry/common.c:208 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline] syscall_exit_to_user_mode+0x26/0x70 kernel/entry/common.c:301 do_syscall_64+0x4b/0xb0 arch/x86/entry/common.c:57 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665d9 RSP: 002b:00007fc5d7ef2188 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: 0000000000000004 RBX: 000000000056c038 RCX: 00000000004665d9 RDX: 0000000000000002 RSI: 0000000000000002 RDI: 000000000000001d RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056c038 R13: 00007ffcedfbd1ff R14: 00007fc5d7ef2300 R15: 0000000000022000 Showing all locks held in the system: 3 locks held by kworker/u4:0/9: #0: ffff888012c53138 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x7aa/0x10c0 kernel/workqueue.c:2249 #1: ffffc90000ce7d20 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7e8/0x10c0 kernel/workqueue.c:2251 #2: ffffffff8df1fb30 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0xf0/0xc60 net/core/net_namespace.c:557 1 lock held by khungtaskd/1633: #0: ffffffff8cf15cc0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 arch/x86/pci/mmconfig_64.c:151 1 lock held by in:imklog/8078: #0: ffff88801da5ed70 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x24e/0x2f0 fs/file.c:974 2 locks held by agetty/8117: #0: ffff888020a4c098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:267 #1: ffffc900010e82e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6c3/0x1cf0 drivers/tty/n_tty.c:2179 2 locks held by kworker/u4:10/21449: 2 locks held by syz-executor.2/24747: #0: ffff88807c7fa190 (&sb->s_type->i_mutex_key#13){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:774 [inline] #0: ffff88807c7fa190 (&sb->s_type->i_mutex_key#13){+.+.}-{3:3}, at: __sock_release net/socket.c:598 [inline] #0: ffff88807c7fa190 (&sb->s_type->i_mutex_key#13){+.+.}-{3:3}, at: sock_close+0x94/0x260 net/socket.c:1258 #1: ffffffff8df1fb30 (pernet_ops_rwsem){++++}-{3:3}, at: unregister_netdevice_notifier+0x8e/0x430 net/core/dev.c:1949 1 lock held by syz-executor.5/24872: #0: ffffffff8df1fb30 (pernet_ops_rwsem){++++}-{3:3}, at: copy_net_ns+0x378/0x5e0 net/core/net_namespace.c:470 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1633 Comm: khungtaskd Not tainted 5.13.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:79 [inline] dump_stack+0x202/0x31e lib/dump_stack.c:120 nmi_cpu_backtrace+0x16c/0x190 lib/nmi_backtrace.c:105 nmi_trigger_cpumask_backtrace+0x191/0x2f0 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:209 [inline] watchdog+0xcfb/0xd40 kernel/hung_task.c:294 kthread+0x39a/0x3c0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 4847 Comm: systemd-journal Not tainted 5.13.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:check_kcov_mode kernel/kcov.c:174 [inline] RIP: 0010:write_comp_data kernel/kcov.c:218 [inline] RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x31/0xa0 kernel/kcov.c:284 Code: 14 25 80 ef 01 00 65 8b 05 54 d0 82 7e a9 00 01 ff 00 74 10 a9 00 01 00 00 74 6e 83 ba 3c 15 00 00 00 74 65 8b 82 18 15 00 00 <83> f8 03 75 5a 48 8b 8a 20 15 00 00 44 8b 8a 1c 15 00 00 49 c1 e1 RSP: 0018:ffffc90000edfde8 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff888036fc5510 RCX: ffff8880137c0000 RDX: ffff8880137c0000 RSI: 0000000000000031 RDI: 0000000000000000 RBP: 0000000000000031 R08: ffffffff81d4a4dd R09: fffff940001b7e01 R10: fffff940001b7e01 R11: 0000000000000000 R12: 1ffff11006df8aa2 R13: ffff8880137c0888 R14: ffff888036fc5500 R15: 1ffff110026f8111 FS: 00007f0f3f66f8c0(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c00beb22c8 CR3: 00000000177e3000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: getname_flags+0x15d/0x640 fs/namei.c:191 getname fs/namei.c:209 [inline] user_path_create fs/namei.c:3650 [inline] do_mkdirat+0x91/0x3e0 fs/namei.c:3828 do_syscall_64+0x3f/0xb0 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f0f3e92a687 Code: 00 b8 ff ff ff ff c3 0f 1f 40 00 48 8b 05 09 d8 2b 00 64 c7 00 5f 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d e1 d7 2b 00 f7 d8 64 89 01 48 RSP: 002b:00007ffc85e63ad8 EFLAGS: 00000293 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00007ffc85e669f0 RCX: 00007f0f3e92a687 RDX: 00007f0f3f39ba00 RSI: 00000000000001ed RDI: 000055f6dd3678a0 RBP: 00007ffc85e63b10 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000069 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000000 R14: 00007ffc85e669f0 R15: 00007ffc85e64000
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2021/06/12 16:04 | upstream | ad347abe4a98 | 1ba81399 | .config | console log | report | info | ci-upstream-kasan-gce-smack-root | INFO: task hung in bcm_release | |||
2021/06/09 13:55 | upstream | 368094df48e6 | 84fe5d96 | .config | console log | report | info | ci-upstream-kasan-gce-smack-root | INFO: task hung in bcm_release | |||
2021/06/08 07:16 | upstream | 614124bea77e | b718257f | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | INFO: task hung in bcm_release | |||
2021/06/06 10:03 | upstream | f5b6eb1e0182 | 500c2339 | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | INFO: task hung in bcm_release | |||
2021/06/06 07:40 | upstream | e5220dd16778 | 500c2339 | .config | console log | report | info | ci-upstream-kasan-gce | INFO: task hung in bcm_release | |||
2021/05/29 17:39 | upstream | 6799d4f2da49 | 325a8dab | .config | console log | report | info | ci-upstream-kasan-gce-smack-root | INFO: task hung in bcm_release | |||
2021/05/25 10:05 | upstream | 1434a3127887 | 3c7fef33 | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | INFO: task hung in bcm_release | |||
2021/05/23 07:59 | upstream | 4d7620341eda | 3c7fef33 | .config | console log | report | info | ci-upstream-kasan-gce-root | INFO: task hung in bcm_release | |||
2021/05/22 21:04 | upstream | 23d729263037 | 3c7fef33 | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | INFO: task hung in bcm_release | |||
2021/05/13 18:54 | upstream | c06a2ba62fc4 | 80f9b418 | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | INFO: task hung in bcm_release | |||
2021/05/11 22:44 | upstream | 88b06399c9c7 | b3c3bb8e | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | INFO: task hung in bcm_release | |||
2021/05/08 18:30 | upstream | ab159ac569fd | bc5434be | .config | console log | report | info | ci-upstream-kasan-gce-root | INFO: task hung in bcm_release | |||
2021/01/19 04:13 | upstream | 1e2a199f6ccd | 63631df1 | .config | console log | report | info | ci-upstream-kasan-gce-root | INFO: task hung in bcm_release | |||
2021/05/19 13:00 | upstream | 8ac91e6c6033 | a343ba6b | .config | console log | report | info | ci-upstream-kasan-gce-386 | INFO: task hung in bcm_release | |||
2021/06/08 23:29 | net-old | 7a6b1ab7475f | 5c2fe346 | .config | console log | report | info | ci-upstream-net-this-kasan-gce | INFO: task hung in bcm_release | |||
2021/05/19 19:20 | net-old | c9fd37a9450b | a343ba6b | .config | console log | report | info | ci-upstream-net-this-kasan-gce | INFO: task hung in bcm_release | |||
2021/05/10 08:31 | net-old | b741596468b0 | bc5434be | .config | console log | report | info | ci-upstream-net-this-kasan-gce | INFO: task hung in bcm_release | |||
2021/04/27 21:09 | net-old | bbd6f0a94813 | 805b5003 | .config | console log | report | info | ci-upstream-net-this-kasan-gce | INFO: task hung in bcm_release | |||
2021/02/27 11:33 | net-old | eee7ede695cf | 4c37c133 | .config | console log | report | info | ci-upstream-net-this-kasan-gce | INFO: task hung in bcm_release | |||
2021/06/18 14:04 | net-next-old | 8fe088bd4fd1 | aba2b2fb | .config | console log | report | info | ci-upstream-net-kasan-gce | INFO: task hung in bcm_release | |||
2021/06/15 05:40 | net-next-old | 2d7ff2d83cac | 1ba81399 | .config | console log | report | info | ci-upstream-net-kasan-gce | INFO: task hung in bcm_release | |||
2021/06/12 21:53 | net-next-old | 02b0bb51a8da | 1ba81399 | .config | console log | report | info | ci-upstream-net-kasan-gce | INFO: task hung in bcm_release | |||
2021/06/02 00:26 | net-next-old | 7fc6d3abc084 | 032639db | .config | console log | report | info | ci-upstream-net-kasan-gce | INFO: task hung in bcm_release | |||
2021/05/26 11:20 | net-next-old | e4e92ee78702 | 54f0bcf1 | .config | console log | report | info | ci-upstream-net-kasan-gce | INFO: task hung in bcm_release | |||
2021/05/03 02:33 | net-next-old | 95aafe911db6 | 77e2b668 | .config | console log | report | info | ci-upstream-net-kasan-gce | INFO: task hung in bcm_release | |||
2021/05/02 04:36 | net-next-old | 95aafe911db6 | 77e2b668 | .config | console log | report | info | ci-upstream-net-kasan-gce | INFO: task hung in bcm_release | |||
2021/04/30 07:58 | net-next-old | 95aafe911db6 | 77e2b668 | .config | console log | report | info | ci-upstream-net-kasan-gce | INFO: task hung in bcm_release | |||
2021/04/17 13:51 | net-next-old | e7ad33fa7bc5 | 7e2b734b | .config | console log | report | info | ci-upstream-net-kasan-gce | INFO: task hung in bcm_release | |||
2021/04/13 19:55 | net-next-old | 8ef7adc6beb2 | a184b83e | .config | console log | report | info | ci-upstream-net-kasan-gce | INFO: task hung in bcm_release | |||
2021/04/04 01:54 | net-next-old | 825066651792 | 6a81331a | .config | console log | report | info | ci-upstream-net-kasan-gce | INFO: task hung in bcm_release | |||
2021/02/27 23:11 | net-next-old | d310ec03a34e | 4c37c133 | .config | console log | report | info | ci-upstream-net-kasan-gce | INFO: task hung in bcm_release | |||
2021/02/13 07:53 | net-next-old | 3c5a2fd042d0 | 98682e5e | .config | console log | report | info | ci-upstream-net-kasan-gce | INFO: task hung in bcm_release | |||
2021/02/06 17:08 | net-next-old | 4d469ec8ec05 | 0655e081 | .config | console log | report | info | ci-upstream-net-kasan-gce | INFO: task hung in bcm_release | |||
2021/05/11 19:36 | linux-next | 4bf27b1f7330 | b3c3bb8e | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in bcm_release | |||
2021/01/22 18:33 | linux-next | bc085f8fc88f | d4f4eca5 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | INFO: task hung in bcm_release | |||
2021/01/12 11:45 | upstream | a0d54b4f5b21 | 2c1f2513 | .config | console log | report | info | ci-upstream-kasan-gce | ||||
2020/12/20 00:09 | upstream | 467f8165a2b0 | 04201c06 | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | ||||
2020/06/30 16:05 | upstream | 4e99b32169e8 | a2cdad9d | .config | console log | report | ci-upstream-kasan-gce-selinux-root | |||||
2020/06/24 16:44 | upstream | 7ae77150d94d | 54566aff | .config | console log | report | ci-upstream-kasan-gce | |||||
2020/06/18 22:50 | upstream | 7ae77150d94d | d45a4d69 | .config | console log | report | ci-upstream-kasan-gce | |||||
2020/06/17 03:00 | upstream | 7ae77150d94d | 559fbe2d | .config | console log | report | ci-upstream-kasan-gce | |||||
2020/01/04 11:14 | upstream | bed723519a72 | 68256974 | .config | console log | report | ci-upstream-kasan-gce-selinux-root | |||||
2020/07/17 10:09 | upstream | f8456690ba8e | 54b3c45e | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2019/08/26 17:38 | upstream | a55aa89aab90 | d21c5d9d | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2020/10/02 01:06 | net-old | bb13a800620c | 9602ddf4 | .config | console log | report | info | ci-upstream-net-this-kasan-gce | ||||
2020/08/22 08:13 | net-old | 4af7b32f84aa | 6436ce4b | .config | console log | report | ci-upstream-net-this-kasan-gce | |||||
2020/06/20 17:33 | net-old | 4d3da2d8d91f | c655ec77 | .config | console log | report | ci-upstream-net-this-kasan-gce | |||||
2020/06/19 11:14 | net-old | 4d3da2d8d91f | bc258b50 | .config | console log | report | ci-upstream-net-this-kasan-gce | |||||
2020/05/13 07:50 | bpf | e8a1b0efd632 | a44eb8f7 | .config | console log | report | ci-upstream-bpf-kasan-gce | |||||
2021/01/03 05:20 | net-next-old | 3db1a3fa9880 | 79264ae3 | .config | console log | report | info | ci-upstream-net-kasan-gce | ||||
2020/10/15 18:16 | net-next-old | d25e2e9388ed | 63869021 | .config | console log | report | info | ci-upstream-net-kasan-gce | ||||
2020/06/19 20:14 | net-next-old | cb8e59cc8720 | 81abc331 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2020/06/18 10:43 | net-next-old | cb8e59cc8720 | d45a4d69 | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2020/05/09 04:34 | bpf-next | 8086fbaf4934 | e97b06d3 | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2021/04/09 22:59 | linux-next | e99d8a849517 | 6a81331a | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | INFO: task can't die in bcm_release |