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INFO: task syz-executor:5219 blocked for more than 143 seconds. Not tainted 6.11.0-syzkaller-02520-gadfc3ded5c33 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:23024 pid:5219 tgid:5219 ppid:5217 flags:0x00000002 Call Trace: <TASK> context_switch kernel/sched/core.c:5188 [inline] __schedule+0xe37/0x5490 kernel/sched/core.c:6529 __schedule_loop kernel/sched/core.c:6606 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6621 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752 pipe_release+0x44/0x320 fs/pipe.c:727 __fput+0x3f6/0xb60 fs/file_table.c:431 __fput_sync+0x45/0x50 fs/file_table.c:516 __do_sys_close fs/open.c:1565 [inline] __se_sys_close fs/open.c:1550 [inline] __x64_sys_close+0x86/0x100 fs/open.c:1550 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd68937cb60 RSP: 002b:00007ffe0697b148 EFLAGS: 00000202 ORIG_RAX: 0000000000000003 RAX: ffffffffffffffda RBX: 000055558dadb560 RCX: 00007fd68937cb60 RDX: 0000000000000000 RSI: 0000000000000004 RDI: 000000000000001d RBP: 000055558dad6700 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000008 R11: 0000000000000202 R12: 00007ffe0697b170 R13: 000000000000001f R14: 0000000000000004 R15: 000055558dadbc40 </TASK> INFO: task syz-executor:5229 blocked for more than 143 seconds. Not tainted 6.11.0-syzkaller-02520-gadfc3ded5c33 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:22512 pid:5229 tgid:5229 ppid:1 flags:0x00000004 Call Trace: <TASK> context_switch kernel/sched/core.c:5188 [inline] __schedule+0xe37/0x5490 kernel/sched/core.c:6529 __schedule_loop kernel/sched/core.c:6606 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6621 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6678 __mutex_lock_common kernel/locking/mutex.c:684 [inline] __mutex_lock+0x5b8/0x9c0 kernel/locking/mutex.c:752 pipe_write+0x166/0x1b30 fs/pipe.c:455 new_sync_write fs/read_write.c:590 [inline] vfs_write+0x6b5/0x1140 fs/read_write.c:683 ksys_write+0x1f8/0x260 fs/read_write.c:736 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7987b7c9df RSP: 002b:00007ffd619ce3d0 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 00007f7987b7c9df RDX: 0000000000000016 RSI: 00007ffd619ce5d0 RDI: 0000000000000002 RBP: 00007ffd619ce5d0 R08: 0000000000000000 R09: 00007f7988a5e080 R10: 00000000ffffffff R11: 0000000000000293 R12: 0000000000000016 R13: 00007f7987d0b620 R14: 0000000000000016 R15: 00007f7987d0cc80 </TASK> Showing all locks held in the system: 1 lock held by khungtaskd/30: #0: ffffffff8ddb9b60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:326 [inline] #0: ffffffff8ddb9b60 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:838 [inline] #0: ffffffff8ddb9b60 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x75/0x340 kernel/locking/lockdep.c:6626 2 locks held by getty/4987: #0: ffff8880305bd0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243 #1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfba/0x1480 drivers/tty/n_tty.c:2211 1 lock held by syz-executor/5219: #0: ffff88802a55c868 (&pipe->mutex){+.+.}-{3:3}, at: pipe_release+0x44/0x320 fs/pipe.c:727 1 lock held by syz-executor/5229: #0: ffff88802a55c868 (&pipe->mutex){+.+.}-{3:3}, at: pipe_write+0x166/0x1b30 fs/pipe.c:455 1 lock held by syz.3.121/5728: #0: ffff88802a55c868 (&pipe->mutex){+.+.}-{3:3}, at: pipe_lock fs/pipe.c:92 [inline] #0: ffff88802a55c868 (&pipe->mutex){+.+.}-{3:3}, at: pipe_lock+0x64/0x80 fs/pipe.c:89 ============================================= NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.11.0-syzkaller-02520-gadfc3ded5c33 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 Call Trace: <TASK> __dump_stack lib/dump_stack.c:93 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:119 nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x29c/0x300 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline] watchdog+0xf0c/0x1240 kernel/hung_task.c:379 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 5870 Comm: kworker/u8:24 Not tainted 6.11.0-syzkaller-02520-gadfc3ded5c33 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 Workqueue: bat_events batadv_nc_worker RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:87 [inline] RIP: 0010:memory_is_nonzero mm/kasan/generic.c:104 [inline] RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:129 [inline] RIP: 0010:memory_is_poisoned mm/kasan/generic.c:161 [inline] RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline] RIP: 0010:kasan_check_range+0x111/0x1a0 mm/kasan/generic.c:189 Code: 44 89 c2 e8 a1 ea ff ff 83 f0 01 5b 5d 41 5c c3 cc cc cc cc 48 85 d2 74 4f 48 01 ea eb 09 48 83 c0 01 48 39 d0 74 41 80 38 00 <74> f2 eb b2 41 bc 08 00 00 00 45 29 dc 49 8d 14 2c eb 0c 48 83 c0 RSP: 0018:ffffc90004227938 EFLAGS: 00000046 RAX: fffffbfff2d128e0 RBX: fffffbfff2d128e1 RCX: ffffffff81691a48 RDX: fffffbfff2d128e1 RSI: 0000000000000008 RDI: ffffffff96894700 RBP: fffffbfff2d128e0 R08: 0000000000000000 R09: fffffbfff2d128e0 R10: ffffffff96894707 R11: 0000000000000002 R12: dffffc0000000000 R13: ffff888027540b30 R14: 0000000000000004 R15: ffff888027540000 FS: 0000000000000000(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fed917d7866 CR3: 000000000db7c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <NMI> </NMI> <TASK> instrument_atomic_read include/linux/instrumented.h:68 [inline] _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline] __lock_acquire+0xe58/0x3cb0 kernel/locking/lockdep.c:5112 lock_acquire kernel/locking/lockdep.c:5759 [inline] lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5724 rcu_lock_acquire include/linux/rcupdate.h:326 [inline] rcu_read_lock include/linux/rcupdate.h:838 [inline] batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:408 [inline] batadv_nc_worker+0x16a/0x1060 net/batman-adv/network-coding.c:719 process_one_work+0x958/0x1ad0 kernel/workqueue.c:3231 process_scheduled_works kernel/workqueue.c:3312 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3393 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK>
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/09/16 23:01 | upstream | adfc3ded5c33 | 49cf0773 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-qemu-gce-upstream-auto | INFO: task hung in pipe_release | ||
2024/09/13 01:34 | upstream | 196145c606d0 | 60e1a995 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-smack-root | INFO: task hung in pipe_release | ||
2024/09/05 21:22 | upstream | c763c4339688 | 464ac2ed | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-smack-root | INFO: task hung in pipe_release | ||
2024/09/04 18:48 | upstream | c7fb1692dc01 | 9d47f20a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-smack-root | INFO: task hung in pipe_release | ||
2024/08/19 11:58 | upstream | 47ac09b91bef | 9f0ab3fb | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-root | INFO: task hung in pipe_release | ||
2024/08/24 14:32 | net | 8af174ea863c | d7d32352 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-this-kasan-gce | INFO: task hung in pipe_release | ||
2024/08/23 19:41 | net | 8af174ea863c | d7d32352 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-this-kasan-gce | INFO: task hung in pipe_release | ||
2024/08/23 13:00 | net | 979b581e4c69 | ce8a9099 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-this-kasan-gce | INFO: task hung in pipe_release | ||
2024/08/18 23:01 | net | 2d7423040b7c | dbc93b08 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-this-kasan-gce | INFO: task hung in pipe_release | ||
2024/08/12 19:22 | net | db1b4bedb9b9 | 7b0f4b46 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-this-kasan-gce | INFO: task hung in pipe_release | ||
2024/09/13 05:57 | net-next | 46ae4d0a4897 | 73e8a465 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in pipe_release | ||
2024/09/12 12:50 | net-next | 3cfb5aa10cb7 | 60e1a995 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in pipe_release | ||
2024/09/12 10:53 | net-next | 3cfb5aa10cb7 | 60e1a995 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in pipe_release | ||
2024/09/11 23:50 | net-next | bf73478b539b | d94c83d8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in pipe_release | ||
2024/09/11 21:04 | net-next | f3b6129b7d25 | 9326a104 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in pipe_release | ||
2024/09/11 06:40 | net-next | 525034e2e2ee | 79eef296 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in pipe_release | ||
2024/09/10 11:04 | net-next | a9b1fab3b69f | 784df80e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in pipe_release | ||
2024/09/10 10:43 | net-next | a9b1fab3b69f | 784df80e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in pipe_release | ||
2024/09/10 09:08 | net-next | a9b1fab3b69f | 784df80e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in pipe_release | ||
2024/09/10 08:38 | net-next | a9b1fab3b69f | 784df80e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in pipe_release | ||
2024/09/10 07:06 | net-next | a9b1fab3b69f | 784df80e | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in pipe_release | ||
2024/09/08 11:49 | net-next | d5c4546062fd | 9750182a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in pipe_release | ||
2024/09/08 05:52 | net-next | f723224742fc | 9750182a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in pipe_release | ||
2024/09/07 22:59 | net-next | f723224742fc | 9750182a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in pipe_release | ||
2024/09/07 21:49 | net-next | f723224742fc | 9750182a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in pipe_release | ||
2024/09/07 09:06 | net-next | f723224742fc | 9750182a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in pipe_release | ||
2024/09/02 23:36 | net-next | 55ddb6c5a3ae | abeaa9b9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in pipe_release | ||
2024/09/02 16:03 | net-next | 55ddb6c5a3ae | 1eda0d14 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in pipe_release | ||
2024/09/02 04:57 | net-next | 221f9cce949a | 1eda0d14 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in pipe_release | ||
2024/09/01 02:52 | net-next | 43d0035b2c6a | 1eda0d14 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in pipe_release | ||
2024/08/27 12:27 | net-next | 2c163922de69 | 9aee4e0b | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in pipe_release | ||
2024/08/22 04:53 | net-next | d785ed945de6 | ca02180f | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in pipe_release | ||
2024/08/21 17:49 | net-next | 4d36b2b1dea4 | db5852f9 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in pipe_release | ||
2024/08/21 07:58 | net-next | 4d36b2b1dea4 | 9f0ab3fb | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in pipe_release | ||
2024/08/20 12:52 | net-next | af3dc0ad3167 | 9f0ab3fb | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in pipe_release | ||
2024/08/19 21:23 | net-next | 1bf8e07c382b | 9f0ab3fb | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in pipe_release | ||
2024/08/19 21:17 | net-next | 1bf8e07c382b | 9f0ab3fb | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in pipe_release | ||
2024/08/18 06:19 | net-next | a99ef548bba0 | dbc93b08 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in pipe_release | ||
2024/08/15 01:38 | net-next | 2984e69a24af | e4bacdaf | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-net-kasan-gce | INFO: task hung in pipe_release |