Warning: Permanently added '10.128.1.154' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program [ 286.090685][ T27] INFO: task syz-executor145:3589 blocked for more than 143 seconds. [ 286.098932][ T27] Not tainted 5.15.167-syzkaller #0 [ 286.127366][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.148586][ T27] task:syz-executor145 state:D stack:27168 pid: 3589 ppid: 3585 flags:0x00004006 [ 286.170047][ T27] Call Trace: [ 286.173373][ T27] [ 286.176324][ T27] __schedule+0x12c4/0x45b0 [ 286.190683][ T27] ? release_firmware_map_entry+0x190/0x190 [ 286.196596][ T27] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 286.217191][ T27] ? print_irqtrace_events+0x210/0x210 [ 286.227617][ T27] ? _raw_spin_lock_irq+0xdb/0x110 [ 286.232815][ T27] ? do_raw_spin_unlock+0x137/0x8b0 [ 286.238061][ T27] schedule+0x11b/0x1f0 [ 286.258226][ T27] rwsem_down_write_slowpath+0xf0c/0x16a0 [ 286.271477][ T27] ? rwsem_write_trylock+0x210/0x210 [ 286.276791][ T27] ? read_lock_is_recursive+0x10/0x10 [ 286.291858][ T27] ? rwsem_write_trylock+0x166/0x210 [ 286.297293][ T27] ? clear_nonspinnable+0x60/0x60 [ 286.312124][ T27] blkdev_fallocate+0x25e/0x4e0 [ 286.317008][ T27] vfs_fallocate+0x54a/0x6b0 [ 286.329789][ T27] __x64_sys_fallocate+0xb9/0x100 [ 286.334863][ T27] do_syscall_64+0x3b/0xb0 [ 286.339291][ T27] ? clear_bhb_loop+0x15/0x70 [ 286.359676][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 286.365662][ T27] RIP: 0033:0x7fc77b299b29 [ 286.379565][ T27] RSP: 002b:00007ffc58285178 EFLAGS: 00000246 ORIG_RAX: 000000000000011d [ 286.398314][ T27] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc77b299b29 [ 286.411226][ T27] RDX: 0000000000000000 RSI: 0000000000000010 RDI: 0000000000000004 [ 286.419224][ T27] RBP: 00000000000f4240 R08: 00000000000000a0 R09: 00000000000000a0 [ 286.427303][ T27] R10: 0000002000000400 R11: 0000000000000246 R12: 0000000000000001 [ 286.435473][ T27] R13: 00007ffc58285398 R14: 00007ffc582851a0 R15: 00007ffc58285190 [ 286.443496][ T27] [ 286.446573][ T27] [ 286.446573][ T27] Showing all locks held in the system: [ 286.454371][ T27] 1 lock held by khungtaskd/27: [ 286.459240][ T27] #0: ffffffff8c91fc60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 286.468649][ T27] 1 lock held by klogd/3015: [ 286.473280][ T27] 2 locks held by getty/3332: [ 286.477954][ T27] #0: ffff888029f81098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 286.487758][ T27] #1: ffffc9000229b2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0 [ 286.497957][ T27] 1 lock held by syz-executor145/3588: [ 286.512550][ T27] 1 lock held by syz-executor145/3589: [ 286.518026][ T27] #0: ffff88814088acb8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x25e/0x4e0 [ 286.550019][ T27] 1 lock held by syz-executor145/3590: [ 286.555491][ T27] #0: ffff88814088acb8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x25e/0x4e0 [ 286.586029][ T27] 1 lock held by syz-executor145/3597: [ 286.591972][ T27] #0: ffff88814088acb8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x25e/0x4e0 [ 286.602683][ T27] 1 lock held by syz-executor145/3598: [ 286.608142][ T27] #0: ffff88814088acb8 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x25e/0x4e0 [ 286.618823][ T27] [ 286.621192][ T27] ============================================= [ 286.621192][ T27] [ 286.629639][ T27] NMI backtrace for cpu 0 [ 286.633977][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.167-syzkaller #0 [ 286.641956][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 286.652019][ T27] Call Trace: [ 286.655304][ T27] [ 286.658267][ T27] dump_stack_lvl+0x1e3/0x2d0 [ 286.662975][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 286.668613][ T27] ? panic+0x860/0x860 [ 286.672696][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0 [ 286.677823][ T27] nmi_cpu_backtrace+0x46a/0x4a0 [ 286.682763][ T27] ? __wake_up_klogd+0xd5/0x100 [ 286.687631][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0 [ 286.693804][ T27] ? _printk+0xd1/0x120 [ 286.698059][ T27] ? panic+0x860/0x860 [ 286.702142][ T27] ? __wake_up_klogd+0xcc/0x100 [ 286.707005][ T27] ? panic+0x860/0x860 [ 286.711090][ T27] ? __rcu_read_unlock+0x92/0x100 [ 286.716832][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 286.722916][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0 [ 286.728911][ T27] watchdog+0xe72/0xeb0 [ 286.733092][ T27] kthread+0x3f6/0x4f0 [ 286.737172][ T27] ? hungtask_pm_notify+0x50/0x50 [ 286.742208][ T27] ? kthread_blkcg+0xd0/0xd0 [ 286.746816][ T27] ret_from_fork+0x1f/0x30 [ 286.751257][ T27] [ 286.754388][ T27] Sending NMI from CPU 0 to CPUs 1: [ 286.759614][ C1] NMI backtrace for cpu 1 [ 286.759624][ C1] CPU: 1 PID: 3008 Comm: syslogd Not tainted 5.15.167-syzkaller #0 [ 286.759641][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 286.759650][ C1] RIP: 0010:lock_is_held_type+0xd2/0x180 [ 286.759672][ C1] Code: 48 ff c3 49 63 85 e8 0a 00 00 48 83 c5 28 48 39 c3 7c d8 eb 11 48 c7 c7 20 f3 7e 8c 48 89 de e8 f4 d8 f6 f9 eb cb 31 ed eb 1f <41> 83 fe ff 74 14 31 c0 f6 45 22 03 0f 95 c0 31 ed 44 39 f0 40 0f [ 286.759685][ C1] RSP: 0018:ffffc900024f72b0 EFLAGS: 00000002 [ 286.759699][ C1] RAX: 0000000000000001 RBX: 0000000000000000 RCX: dffffc0000000000 [ 286.759709][ C1] RDX: 0000000000000009 RSI: ffff8880b913a318 RDI: ffff88807dc74670 [ 286.759724][ C1] RBP: ffff88807dc74670 R08: dffffc0000000000 R09: fffffbfff1bd2c16 [ 286.759738][ C1] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000046 [ 286.759749][ C1] R13: ffff88807dc73b80 R14: 00000000ffffffff R15: ffff8880b913a318 [ 286.759761][ C1] FS: 00007f38c637a380(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000 [ 286.759775][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 286.759786][ C1] CR2: 000055b3828b8600 CR3: 000000002384a000 CR4: 00000000003506e0 [ 286.759800][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 286.759809][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 286.759818][ C1] Call Trace: [ 286.759823][ C1] [ 286.759828][ C1] ? nmi_cpu_backtrace+0x39f/0x4a0 [ 286.759850][ C1] ? read_lock_is_recursive+0x10/0x10 [ 286.759867][ C1] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0 [ 286.759891][ C1] ? nmi_cpu_backtrace_handler+0x8/0x10 [ 286.759907][ C1] ? nmi_handle+0xf7/0x370 [ 286.759923][ C1] ? lock_is_held_type+0xd2/0x180 [ 286.759940][ C1] ? default_do_nmi+0x62/0x150 [ 286.759957][ C1] ? exc_nmi+0xa8/0x100 [ 286.759972][ C1] ? end_repeat_nmi+0x16/0x31 [ 286.759990][ C1] ? lock_is_held_type+0xd2/0x180 [ 286.760007][ C1] ? lock_is_held_type+0xd2/0x180 [ 286.760024][ C1] ? lock_is_held_type+0xd2/0x180 [ 286.760041][ C1] [ 286.760045][ C1] [ 286.760051][ C1] update_curr+0x10c/0xa50 [ 286.760069][ C1] dequeue_entity+0x27/0xfe0 [ 286.760086][ C1] ? rcu_is_watching+0x11/0xa0 [ 286.760103][ C1] dequeue_task_fair+0x270/0x13c0 [ 286.760124][ C1] ? enqueue_task_fair+0x16f0/0x16f0 [ 286.760140][ C1] ? update_rq_clock+0xe9/0x540 [ 286.760159][ C1] __schedule+0x786/0x45b0 [ 286.760184][ C1] ? release_firmware_map_entry+0x190/0x190 [ 286.760199][ C1] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 286.760215][ C1] ? print_irqtrace_events+0x210/0x210 [ 286.760233][ C1] schedule+0x11b/0x1f0 [ 286.760248][ C1] schedule_timeout+0xac/0x300 [ 286.760264][ C1] ? console_conditional_schedule+0x40/0x40 [ 286.760285][ C1] ? prepare_to_wait_exclusive+0xc5/0x220 [ 286.760306][ C1] __skb_wait_for_more_packets+0x394/0x5f0 [ 286.760325][ C1] ? skb_checksum_setup_ip+0xab0/0xab0 [ 286.760340][ C1] ? __skb_wait_for_more_packets+0x5f0/0x5f0 [ 286.760355][ C1] ? __skb_try_recv_from_queue+0x770/0x770 [ 286.760372][ C1] ? __might_sleep+0xc0/0xc0 [ 286.760389][ C1] __unix_dgram_recvmsg+0x351/0x1260 [ 286.760404][ C1] ? __lock_acquire+0x1ff0/0x1ff0 [ 286.760421][ C1] ? aa_sk_perm+0x8fc/0xa30 [ 286.760436][ C1] ? unix_unhash+0x10/0x10 [ 286.760450][ C1] ? aa_af_perm+0x350/0x350 [ 286.760464][ C1] ? __lock_acquire+0x1ff0/0x1ff0 [ 286.760480][ C1] ? bpf_lsm_socket_recvmsg+0x5/0x10 [ 286.760495][ C1] ? security_socket_recvmsg+0x86/0xb0 [ 286.760511][ C1] ? unix_dgram_recvmsg+0xb9/0xe0 [ 286.760525][ C1] ? unix_dgram_sendmsg+0x2090/0x2090 [ 286.760541][ C1] sock_read_iter+0x353/0x480 [ 286.760561][ C1] ? kernel_sock_ip_overhead+0x590/0x590 [ 286.760582][ C1] ? common_file_perm+0x17d/0x1d0 [ 286.760600][ C1] ? iov_iter_init+0x4a/0x170 [ 286.760618][ C1] vfs_read+0xa93/0xe10 [ 286.760638][ C1] ? kernel_read+0x1f0/0x1f0 [ 286.760656][ C1] ? read_lock_is_recursive+0x10/0x10 [ 286.760675][ C1] ? __fdget_pos+0x1e9/0x380 [ 286.760692][ C1] ksys_read+0x1a2/0x2c0 [ 286.760708][ C1] ? print_irqtrace_events+0x210/0x210 [ 286.760724][ C1] ? vfs_write+0xe50/0xe50 [ 286.760740][ C1] ? syscall_enter_from_user_mode+0x2e/0x240 [ 286.760758][ C1] ? lockdep_hardirqs_on+0x94/0x130 [ 286.760776][ C1] ? syscall_enter_from_user_mode+0x2e/0x240 [ 286.760795][ C1] do_syscall_64+0x3b/0xb0 [ 286.760810][ C1] ? clear_bhb_loop+0x15/0x70 [ 286.760824][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 286.760850][ C1] RIP: 0033:0x7f38c64ceb6a [ 286.760862][ C1] Code: 00 3d 00 00 41 00 75 0d 50 48 8d 3d 2d 08 0a 00 e8 ea 7d 01 00 31 c0 e9 07 ff ff ff 64 8b 04 25 18 00 00 00 85 c0 75 1b 0f 05 <48> 3d 00 f0 ff ff 76 6c 48 8b 15 8f a2 0d 00 f7 d8 64 89 02 48 83 [ 286.760874][ C1] RSP: 002b:00007ffd2727b7e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 286.760889][ C1] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f38c64ceb6a [ 286.760900][ C1] RDX: 00000000000000ff RSI: 000055a21f54f950 RDI: 0000000000000000 [ 286.760910][ C1] RBP: 000055a21f54f910 R08: 0000000000000001 R09: 0000000000000000 [ 286.760919][ C1] R10: 00007f38c666d3a3 R11: 0000000000000246 R12: 000055a21f54f99d [ 286.760930][ C1] R13: 000055a21f54f950 R14: 0000000000000000 R15: 00007f38c66aba80 [ 286.760946][ C1] [ 286.760952][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.337 msecs [ 286.769906][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 287.290594][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.167-syzkaller #0 [ 287.298584][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 287.308656][ T27] Call Trace: [ 287.311938][ T27] [ 287.314877][ T27] dump_stack_lvl+0x1e3/0x2d0 [ 287.319576][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 287.325244][ T27] ? panic+0x860/0x860 [ 287.329335][ T27] panic+0x318/0x860 [ 287.333237][ T27] ? schedule_preempt_disabled+0x20/0x20 [ 287.338872][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 287.345029][ T27] ? fb_is_primary_device+0xd0/0xd0 [ 287.350235][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 287.356314][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 287.362473][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0 [ 287.368643][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0 [ 287.374809][ T27] watchdog+0xeb0/0xeb0 [ 287.378981][ T27] kthread+0x3f6/0x4f0 [ 287.383067][ T27] ? hungtask_pm_notify+0x50/0x50 [ 287.388097][ T27] ? kthread_blkcg+0xd0/0xd0 [ 287.392699][ T27] ret_from_fork+0x1f/0x30 [ 287.397147][ T27] [ 287.400444][ T27] Kernel Offset: disabled [ 287.404777][ T27] Rebooting in 86400 seconds..