Warning: Permanently added '10.128.0.74' (ED25519) to the list of known hosts. 2025/07/20 23:51:53 ignoring optional flag "sandboxArg"="0" 2025/07/20 23:51:54 parsed 1 programs [ 64.461456][ T2652] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k 2025/07/20 23:51:58 executed programs: 0 2025/07/20 23:52:18 executed programs: 3 2025/07/20 23:52:35 executed programs: 4 2025/07/20 23:52:52 executed programs: 5 2025/07/20 23:53:09 executed programs: 6 2025/07/20 23:53:26 executed programs: 7 2025/07/20 23:53:43 executed programs: 8 2025/07/20 23:54:00 executed programs: 9 2025/07/20 23:54:17 executed programs: 10 [ 220.863637][ T31] INFO: task kworker/0:2:1483 blocked for more than 143 seconds. [ 220.871656][ T31] Not tainted 6.16.0-rc6-syzkaller #0 [ 220.877588][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 220.886457][ T31] task:kworker/0:2 state:D stack:14128 pid:1483 tgid:1483 ppid:2 task_flags:0x4208060 flags:0x00004000 [ 220.898479][ T31] Workqueue: events p9_write_work [ 220.903639][ T31] Call Trace: [ 220.907022][ T31] [ 220.909946][ T31] __schedule+0x75b/0xc20 [ 220.914317][ T31] ? schedule+0xac/0x140 [ 220.918583][ T31] ? schedule+0x21/0x140 [ 220.922811][ T31] ? anon_pipe_write+0x4a/0x5b0 [ 220.927830][ T31] schedule+0xac/0x140 [ 220.931912][ T31] schedule_preempt_disabled+0x32/0x60 [ 220.937412][ T31] __mutex_lock+0x46b/0xb00 [ 220.942001][ T31] ? process_scheduled_works+0x29f/0x5e0 [ 220.947664][ T31] anon_pipe_write+0x4a/0x5b0 [ 220.952513][ T31] ? process_scheduled_works+0x29f/0x5e0 [ 220.958157][ T31] __kernel_write_iter+0x142/0x250 [ 220.963465][ T31] kernel_write+0x12c/0x200 [ 220.968036][ T31] p9_write_work+0x160/0x310 [ 220.972622][ T31] process_scheduled_works+0x2e7/0x5e0 [ 220.978230][ T31] worker_thread+0x20a/0x2f0 [ 220.982821][ T31] ? __pfx_worker_thread+0x10/0x10 [ 220.987949][ T31] kthread+0x203/0x230 [ 220.992020][ T31] ? __pfx_kthread+0x10/0x10 [ 220.996620][ T31] ret_from_fork+0x9d/0x170 [ 221.001117][ T31] ? __pfx_kthread+0x10/0x10 [ 221.005724][ T31] ret_from_fork_asm+0x1a/0x30 [ 221.010501][ T31] [ 221.013650][ T31] [ 221.013650][ T31] Showing all locks held in the system: [ 221.021367][ T31] 3 locks held by kworker/0:1/11: [ 221.026842][ T31] #0: ffff888100078748 ((wq_completion)events){....}-{0:0}, at: process_scheduled_works+0x27f/0x5e0 [ 221.037719][ T31] #1: ffffc90000063e48 ((work_completion)(&m->wq)){....}-{0:0}, at: process_scheduled_works+0x29f/0x5e0 [ 221.048968][ T31] #2: ffff88810639ec68 (&pipe->mutex){....}-{3:3}, at: anon_pipe_write+0x4a/0x5b0 [ 221.058292][ T31] 1 lock held by khungtaskd/31: [ 221.063123][ T31] #0: ffffffff835deb30 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x2e/0x100 [ 221.073028][ T31] 3 locks held by kworker/1:1/39: [ 221.078054][ T31] #0: ffff888100078748 ((wq_completion)events){....}-{0:0}, at: process_scheduled_works+0x27f/0x5e0 [ 221.088918][ T31] #1: ffffc9000014fe48 ((work_completion)(&m->wq)){....}-{0:0}, at: process_scheduled_works+0x29f/0x5e0 [ 221.100428][ T31] #2: ffff8881063ce468 (&pipe->mutex){....}-{3:3}, at: anon_pipe_write+0x4a/0x5b0 [ 221.109843][ T31] 3 locks held by kworker/1:2/499: [ 221.115129][ T31] #0: ffff888100078748 ((wq_completion)events){....}-{0:0}, at: process_scheduled_works+0x27f/0x5e0 [ 221.126011][ T31] #1: ffffc90001517e48 ((work_completion)(&m->wq)){....}-{0:0}, at: process_scheduled_works+0x29f/0x5e0 [ 221.137240][ T31] #2: ffff888102712e68 (&pipe->mutex){....}-{3:3}, at: anon_pipe_write+0x4a/0x5b0 [ 221.146598][ T31] 3 locks held by kworker/0:2/1483: [ 221.151791][ T31] #0: ffff888100078748 ((wq_completion)events){....}-{0:0}, at: process_scheduled_works+0x27f/0x5e0 [ 221.162946][ T31] #1: ffffc90002d6fe48 ((work_completion)(&m->wq)){....}-{0:0}, at: process_scheduled_works+0x29f/0x5e0 [ 221.174368][ T31] #2: ffff888101288868 (&pipe->mutex){....}-{3:3}, at: anon_pipe_write+0x4a/0x5b0 [ 221.183728][ T31] 2 locks held by getty/1638: [ 221.188416][ T31] #0: ffff888101f070a0 (&tty->ldisc_sem){....}-{0:0}, at: tty_ldisc_ref_wait+0x20/0x40 [ 221.198199][ T31] #1: ffffc90002d732f0 (&ldata->atomic_read_lock){....}-{3:3}, at: n_tty_read+0x1c3/0x6e0 [ 221.208327][ T31] 2 locks held by syz.3.16/3542: [ 221.213282][ T31] #0: ffff888101288868 (&pipe->mutex){....}-{3:3}, at: anon_pipe_write+0x4a/0x5b0 [ 221.222798][ T31] #1: ffff8881119802e8 (mapping.invalidate_lock#3){....}-{3:3}, at: page_cache_ra_unbounded+0x70/0x270 [ 221.233963][ T31] 2 locks held by syz.4.17/3961: [ 221.238930][ T31] #0: ffff8881063ce468 (&pipe->mutex){....}-{3:3}, at: anon_pipe_write+0x4a/0x5b0 [ 221.248258][ T31] #1: ffff8881705282e8 (mapping.invalidate_lock#3){....}-{3:3}, at: page_cache_ra_unbounded+0x70/0x270 [ 221.259517][ T31] 2 locks held by syz.5.18/4380: [ 221.264486][ T31] #0: ffff88810639ec68 (&pipe->mutex){....}-{3:3}, at: anon_pipe_write+0x4a/0x5b0 [ 221.274144][ T31] #1: ffff8881119808d0 (mapping.invalidate_lock#3){....}-{3:3}, at: page_cache_ra_unbounded+0x70/0x270 [ 221.285293][ T31] 3 locks held by kworker/0:3/4382: [ 221.290497][ T31] #0: ffff888100078748 ((wq_completion)events){....}-{0:0}, at: process_scheduled_works+0x27f/0x5e0 [ 221.301449][ T31] #1: ffffc90002af7e48 ((work_completion)(&m->wq)){....}-{0:0}, at: process_scheduled_works+0x29f/0x5e0 [ 221.312773][ T31] #2: ffff8881063cc468 (&pipe->mutex){....}-{3:3}, at: anon_pipe_write+0x4a/0x5b0 [ 221.322109][ T31] 2 locks held by syz.6.19/4801: [ 221.327084][ T31] #0: ffff888102712e68 (&pipe->mutex){....}-{3:3}, at: anon_pipe_write+0x4a/0x5b0 [ 221.336434][ T31] #1: ffff8881705288d0 (mapping.invalidate_lock#3){....}-{3:3}, at: page_cache_ra_unbounded+0x70/0x270 [ 221.347593][ T31] 3 locks held by kworker/1:3/4802: [ 221.352799][ T31] #0: ffff888100078748 ((wq_completion)events){....}-{0:0}, at: process_scheduled_works+0x27f/0x5e0 [ 221.363696][ T31] #1: ffffc90003223e48 ((work_completion)(&m->wq)){....}-{0:0}, at: process_scheduled_works+0x29f/0x5e0 [ 221.375726][ T31] #2: ffff88810e3e0e68 (&pipe->mutex){....}-{3:3}, at: anon_pipe_write+0x4a/0x5b0 [ 221.385159][ T31] 3 locks held by kworker/0:4/4803: [ 221.390369][ T31] #0: ffff888100078748 ((wq_completion)events){....}-{0:0}, at: process_scheduled_works+0x27f/0x5e0 [ 221.401439][ T31] #1: ffffc900032dbe48 ((work_completion)(&m->wq)){....}-{0:0}, at: process_scheduled_works+0x29f/0x5e0 [ 221.412681][ T31] #2: ffff88810cfd3c68 (&pipe->mutex){....}-{3:3}, at: anon_pipe_write+0x4a/0x5b0 [ 221.422015][ T31] 2 locks held by syz.7.20/5222: [ 221.426991][ T31] #0: ffff8881063cc468 (&pipe->mutex){....}-{3:3}, at: anon_pipe_write+0x4a/0x5b0 [ 221.436347][ T31] #1: ffff888111980eb8 (mapping.invalidate_lock#3){....}-{3:3}, at: page_cache_ra_unbounded+0x70/0x270 [ 221.447514][ T31] 2 locks held by syz.8.21/5641: [ 221.452548][ T31] #0: ffff88810cfd3c68 (&pipe->mutex){....}-{3:3}, at: anon_pipe_write+0x4a/0x5b0 [ 221.461898][ T31] #1: ffff8881119814a0 (mapping.invalidate_lock#3){....}-{3:3}, at: page_cache_ra_unbounded+0x70/0x270 [ 221.473076][ T31] 3 locks held by kworker/0:5/5643: [ 221.478395][ T31] #0: ffff888100078748 ((wq_completion)events){....}-{0:0}, at: process_scheduled_works+0x27f/0x5e0 [ 221.489387][ T31] #1: ffffc900041cbe48 ((work_completion)(&m->wq)){....}-{0:0}, at: process_scheduled_works+0x29f/0x5e0 [ 221.500632][ T31] #2: ffff88810efffa68 (&pipe->mutex){....}-{3:3}, at: anon_pipe_write+0x4a/0x5b0 [ 221.509982][ T31] 2 locks held by syz.9.22/6062: [ 221.515032][ T31] #0: ffff88810e3e0e68 (&pipe->mutex){....}-{3:3}, at: anon_pipe_write+0x4a/0x5b0 [ 221.524373][ T31] #1: ffff888111981a88 (mapping.invalidate_lock#3){....}-{3:3}, at: page_cache_ra_unbounded+0x70/0x270 [ 221.535711][ T31] 3 locks held by kworker/0:6/6310: [ 221.541012][ T31] #0: ffff888100078748 ((wq_completion)events){....}-{0:0}, at: process_scheduled_works+0x27f/0x5e0 [ 221.551914][ T31] #1: ffffc90004d4be48 ((work_completion)(&m->wq)){....}-{0:0}, at: process_scheduled_works+0x29f/0x5e0 [ 221.563244][ T31] #2: ffff88810e3f7868 (&pipe->mutex){....}-{3:3}, at: anon_pipe_write+0x4a/0x5b0 [ 221.572598][ T31] 2 locks held by syz.0.23/6483: [ 221.577568][ T31] #0: ffff88810efffa68 (&pipe->mutex){....}-{3:3}, at: anon_pipe_write+0x4a/0x5b0 [ 221.586893][ T31] #1: ffff888111982070 (mapping.invalidate_lock#3){....}-{3:3}, at: page_cache_ra_unbounded+0x70/0x270 [ 221.598052][ T31] 2 locks held by syz.1.24/6903: [ 221.602994][ T31] #0: ffff88810e3f7868 (&pipe->mutex){....}-{3:3}, at: anon_pipe_write+0x4a/0x5b0 [ 221.612342][ T31] #1: ffff888111982658 (mapping.invalidate_lock#3){....}-{3:3}, at: page_cache_ra_unbounded+0x70/0x270 [ 221.623504][ T31] 5 locks held by modprobe/6961: [ 221.628463][ T31] #0: ffff888237d2b518 (&rq->__lock){....}-{2:2}, at: raw_spin_rq_lock_nested+0x20/0x70 [ 221.638940][ T31] #1: ffff888100ace058 (&sighand->siglock){....}-{2:2}, at: do_notify_parent+0x241/0x2e0 [ 221.648873][ T31] #2: ffff8881012944f8 (&sig->wait_chldexit){....}-{2:2}, at: __wake_up_sync_key+0x25/0xa0 [ 221.658984][ T31] #3: ffff8881012a5c60 (&p->pi_lock){....}-{2:2}, at: try_to_wake_up+0x59/0x670 [ 221.668158][ T31] #4: ffff888237d2b518 (&rq->__lock){....}-{2:2}, at: raw_spin_rq_lock_nested+0x20/0x70 [ 221.678003][ T31] [ 221.680334][ T31] ============================================= [ 221.680334][ T31] [ 221.688792][ T31] NMI backtrace for cpu 0 [ 221.688808][ T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.16.0-rc6-syzkaller #0 PREEMPT(none) [ 221.688812][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 221.688814][ T31] Call Trace: [ 221.688817][ T31] [ 221.688819][ T31] dump_stack_lvl+0xa2/0xf0 [ 221.688830][ T31] nmi_cpu_backtrace+0x109/0x170 [ 221.688836][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 221.688843][ T31] nmi_trigger_cpumask_backtrace+0x8e/0x140 [ 221.688849][ T31] watchdog+0x604/0x630 [ 221.688855][ T31] ? watchdog+0xd1/0x630 [ 221.688860][ T31] ? __pfx_watchdog+0x10/0x10 [ 221.688865][ T31] kthread+0x203/0x230 [ 221.688873][ T31] ? __pfx_kthread+0x10/0x10 [ 221.688876][ T31] ret_from_fork+0x9d/0x170 [ 221.688881][ T31] ? __pfx_kthread+0x10/0x10 [ 221.688885][ T31] ret_from_fork_asm+0x1a/0x30 [ 221.688894][ T31] [ 221.688895][ T31] Sending NMI from CPU 0 to CPUs 1: [ 221.785401][ C1] NMI backtrace for cpu 1 [ 221.785408][ C1] CPU: 1 UID: 0 PID: 36 Comm: kworker/u8:2 Not tainted 6.16.0-rc6-syzkaller #0 PREEMPT(none) [ 221.785413][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 221.785415][ C1] Workqueue: events_unbound toggle_allocation_gate [ 221.785427][ C1] RIP: 0010:__rb_insert_augmented+0x5a/0x180 [ 221.785434][ C1] Code: 48 83 c9 01 48 89 08 48 89 0e 48 8b 33 48 89 df 48 83 e6 fc 48 89 33 74 d0 48 8b 1e f6 c3 01 75 cf 48 8b 43 08 48 39 f0 74 13 <48> 85 c0 0f 84 91 00 00 00 f6 00 01 74 c5 e9 87 00 00 00 48 8b 43 [ 221.785437][ C1] RSP: 0018:ffffc90000137cc8 EFLAGS: 00000007 [ 221.785440][ C1] RAX: 0000000000000000 RBX: ffff88810cfed310 RCX: 0000000000155cc0 [ 221.785443][ C1] RDX: ffffffff81311c60 RSI: ffff888109af1c10 RDI: ffff8881026d9c10 [ 221.785445][ C1] RBP: ffff888237d2b5c0 R08: ffff888109af1c10 R09: 000000044896f0b3 [ 221.785447][ C1] R10: 000000044896f0b3 R11: 0000000000155cc0 R12: ffff888109af1c00 [ 221.785449][ C1] R13: ffff888237d2b5c0 R14: ffff888237d2b5f8 R15: ffffc90000137d58 [ 221.785451][ C1] FS: 0000000000000000(0000) GS:ffff8882b39f1000(0000) knlGS:0000000000000000 [ 221.785453][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 221.785455][ C1] CR2: 00007f867feb4a90 CR3: 00000000034aa000 CR4: 00000000003506f0 [ 221.785460][ C1] Call Trace: [ 221.785462][ C1] [ 221.785465][ C1] pick_next_task_fair+0x25c/0x390 [ 221.785470][ C1] __schedule+0x300/0xc20 [ 221.785475][ C1] ? schedule+0xac/0x140 [ 221.785478][ C1] ? schedule+0x21/0x140 [ 221.785480][ C1] ? schedule+0x21/0x140 [ 221.785482][ C1] ? process_scheduled_works+0x29f/0x5e0 [ 221.785488][ C1] schedule+0xac/0x140 [ 221.785491][ C1] toggle_allocation_gate+0xa8/0x120 [ 221.785496][ C1] ? __pfx_autoremove_wake_function+0x10/0x10 [ 221.785503][ C1] process_scheduled_works+0x2e7/0x5e0 [ 221.785510][ C1] worker_thread+0x20a/0x2f0 [ 221.785513][ C1] ? __pfx_worker_thread+0x10/0x10 [ 221.785516][ C1] kthread+0x203/0x230 [ 221.785522][ C1] ? __pfx_kthread+0x10/0x10 [ 221.785524][ C1] ret_from_fork+0x9d/0x170 [ 221.785529][ C1] ? __pfx_kthread+0x10/0x10 [ 221.785532][ C1] ret_from_fork_asm+0x1a/0x30 [ 221.785541][ C1] [ 221.786421][ T31] Kernel panic - not syncing: hung_task: blocked tasks [ 222.010048][ T31] Kernel Offset: disabled [ 222.014356][ T31] Rebooting in 86400 seconds..