Warning: Permanently added '10.128.0.154' (ED25519) to the list of known hosts. [ 464.882159][ T29] INFO: task syz-executor.0:23434 blocked for more than 143 seconds. [ 464.890228][ T29] Not tainted 6.11.0-rc4-syzkaller #0 [ 464.896137][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 464.904804][ T29] task:syz-executor.0 state:D stack:14616 pid:23434 tgid:23432 ppid:22979 flags:0x00004006 [ 464.914943][ T29] Call Trace: [ 464.918196][ T29] [ 464.921102][ T29] __schedule+0x627/0x9c0 [ 464.925419][ T29] ? schedule+0x21/0x140 [ 464.929631][ T29] schedule+0xac/0x140 [ 464.933690][ T29] ? blk_trace_remove+0x1b/0x40 [ 464.938509][ T29] schedule_preempt_disabled+0x32/0x60 [ 464.943951][ T29] __mutex_lock+0x44a/0x970 [ 464.948426][ T29] blk_trace_remove+0x1b/0x40 [ 464.953086][ T29] sg_ioctl+0x2f3/0xca0 [ 464.957216][ T29] __se_sys_ioctl+0x70/0xc0 [ 464.961694][ T29] do_syscall_64+0x8d/0x170 [ 464.966189][ T29] ? fpregs_restore_userregs+0x7a/0xe0 [ 464.971617][ T29] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 464.977494][ T29] RIP: 0033:0x7f20549fcee9 [ 464.981876][ T29] RSP: 002b:00007f205455e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 464.990270][ T29] RAX: ffffffffffffffda RBX: 00007f2054b2c050 RCX: 00007f20549fcee9 [ 464.998225][ T29] RDX: 0000000000000000 RSI: 0000000000001276 RDI: 0000000000000003 [ 465.006179][ T29] RBP: 00007f2054a4949e R08: 0000000000000000 R09: 0000000000000000 [ 465.014132][ T29] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 465.022069][ T29] R13: 000000000000006e R14: 00007f2054b2c050 R15: 00007ffc3b64c798 [ 465.030042][ T29] [ 465.033102][ T29] [ 465.033102][ T29] Showing all locks held in the system: [ 465.040783][ T29] 2 locks held by kworker/u8:1/13: [ 465.045880][ T29] #0: ffff888100078948 ((wq_completion)events_unbound){....}-{0:0}, at: process_scheduled_works+0x247/0x5c0 [ 465.057419][ T29] #1: ffffc90000073e58 ((work_completion)(&(&kfence_timer)->work)){....}-{0:0}, at: process_scheduled_works+0x267/0x5c0 [ 465.070086][ T29] 1 lock held by khungtaskd/29: [ 465.074917][ T29] #0: ffffffff82777d10 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x30/0x100 [ 465.084992][ T29] 2 locks held by getty/793: [ 465.089550][ T29] #0: ffff888100a8f0a0 (&tty->ldisc_sem){....}-{0:0}, at: tty_ldisc_ref_wait+0x20/0x40 [ 465.099278][ T29] #1: ffffc900001fb2f0 (&ldata->atomic_read_lock){....}-{3:3}, at: n_tty_read+0x243/0x910 [ 465.109256][ T29] 2 locks held by syz-executor.0/23433: [ 465.114882][ T29] 1 lock held by syz-executor.0/23434: [ 465.120304][ T29] #0: ffff888105ea5660 (&q->debugfs_mutex){....}-{3:3}, at: blk_trace_remove+0x1b/0x40 [ 465.130027][ T29] 1 lock held by syz-executor.5/23892: [ 465.135475][ T29] #0: ffff888105ea5660 (&q->debugfs_mutex){....}-{3:3}, at: blk_trace_setup+0x41/0x130 [ 465.145187][ T29] 1 lock held by syz-executor.5/23893: [ 465.150611][ T29] #0: ffff888105ea5660 (&q->debugfs_mutex){....}-{3:3}, at: blk_trace_remove+0x1b/0x40 [ 465.160322][ T29] 1 lock held by syz-executor.1/24349: [ 465.165781][ T29] #0: ffff888105ea5660 (&q->debugfs_mutex){....}-{3:3}, at: blk_trace_setup+0x41/0x130 [ 465.175510][ T29] 1 lock held by syz-executor.1/24350: [ 465.180937][ T29] #0: ffff888105ea5660 (&q->debugfs_mutex){....}-{3:3}, at: blk_trace_remove+0x1b/0x40 [ 465.190662][ T29] 1 lock held by syz-executor.3/25051: [ 465.196115][ T29] #0: ffff888105ea5660 (&q->debugfs_mutex){....}-{3:3}, at: blk_trace_setup+0x41/0x130 [ 465.205843][ T29] 1 lock held by syz-executor.3/25064: [ 465.211272][ T29] #0: ffff888105ea5660 (&q->debugfs_mutex){....}-{3:3}, at: blk_trace_remove+0x1b/0x40 [ 465.221010][ T29] 1 lock held by syz-executor.4/25395: [ 465.226457][ T29] #0: ffff888105ea5660 (&q->debugfs_mutex){....}-{3:3}, at: blk_trace_setup+0x41/0x130 [ 465.236195][ T29] 1 lock held by syz-executor.4/25411: [ 465.241622][ T29] #0: ffff888105ea5660 (&q->debugfs_mutex){....}-{3:3}, at: blk_trace_remove+0x1b/0x40 [ 465.251351][ T29] 1 lock held by syz-executor.2/25721: [ 465.256797][ T29] #0: ffff888105ea5660 (&q->debugfs_mutex){....}-{3:3}, at: blk_trace_setup+0x41/0x130 [ 465.266552][ T29] 1 lock held by syz-executor.2/25722: [ 465.271984][ T29] #0: ffff888105ea5660 (&q->debugfs_mutex){....}-{3:3}, at: blk_trace_remove+0x1b/0x40 [ 465.281728][ T29] 1 lock held by syz-executor.0/26178: [ 465.287175][ T29] #0: ffff888105ea5660 (&q->debugfs_mutex){....}-{3:3}, at: blk_trace_setup+0x41/0x130 [ 465.296906][ T29] 1 lock held by syz-executor.0/26179: [ 465.302352][ T29] #0: ffff888105ea5660 (&q->debugfs_mutex){....}-{3:3}, at: blk_trace_remove+0x1b/0x40 [ 465.312055][ T29] 1 lock held by syz-executor.5/26637: [ 465.317505][ T29] #0: ffff888105ea5660 (&q->debugfs_mutex){....}-{3:3}, at: blk_trace_setup+0x41/0x130 [ 465.327236][ T29] 1 lock held by syz-executor.5/26638: [ 465.332682][ T29] #0: ffff888105ea5660 (&q->debugfs_mutex){....}-{3:3}, at: blk_trace_remove+0x1b/0x40 [ 465.342404][ T29] 1 lock held by syz-executor.1/27094: [ 465.347835][ T29] #0: ffff888105ea5660 (&q->debugfs_mutex){....}-{3:3}, at: blk_trace_setup+0x41/0x130 [ 465.357727][ T29] 1 lock held by syz-executor.1/27095: [ 465.363215][ T29] #0: ffff888105ea5660 (&q->debugfs_mutex){....}-{3:3}, at: blk_trace_remove+0x1b/0x40 [ 465.372942][ T29] 1 lock held by syz-executor.3/27559: [ 465.378382][ T29] #0: ffff888105ea5660 (&q->debugfs_mutex){....}-{3:3}, at: blk_trace_setup+0x41/0x130 [ 465.388144][ T29] 1 lock held by syz-executor.3/27572: [ 465.393599][ T29] #0: ffff888105ea5660 (&q->debugfs_mutex){....}-{3:3}, at: blk_trace_remove+0x1b/0x40 [ 465.403329][ T29] 1 lock held by syz-executor.4/28279: [ 465.408760][ T29] #0: ffff888105ea5660 (&q->debugfs_mutex){....}-{3:3}, at: blk_trace_setup+0x41/0x130 [ 465.418517][ T29] 1 lock held by syz-executor.4/28296: [ 465.423966][ T29] #0: ffff888105ea5660 (&q->debugfs_mutex){....}-{3:3}, at: blk_trace_remove+0x1b/0x40 [ 465.433723][ T29] 1 lock held by syz-executor.2/28466: [ 465.439152][ T29] #0: ffff888105ea5660 (&q->debugfs_mutex){....}-{3:3}, at: blk_trace_setup+0x41/0x130 [ 465.448894][ T29] 1 lock held by syz-executor.2/28467: [ 465.454343][ T29] #0: ffff888105ea5660 (&q->debugfs_mutex){....}-{3:3}, at: blk_trace_remove+0x1b/0x40 [ 465.464065][ T29] 1 lock held by syz-executor.0/28923: [ 465.469490][ T29] #0: ffff888105ea5660 (&q->debugfs_mutex){....}-{3:3}, at: blk_trace_setup+0x41/0x130 [ 465.479207][ T29] 1 lock held by syz-executor.0/28924: [ 465.484656][ T29] #0: ffff888105ea5660 (&q->debugfs_mutex){....}-{3:3}, at: blk_trace_remove+0x1b/0x40 [ 465.494384][ T29] 1 lock held by syz-executor.5/29382: [ 465.499814][ T29] #0: ffff888105ea5660 (&q->debugfs_mutex){....}-{3:3}, at: blk_trace_setup+0x41/0x130 [ 465.509554][ T29] 1 lock held by syz-executor.5/29383: [ 465.515001][ T29] #0: ffff888105ea5660 (&q->debugfs_mutex){....}-{3:3}, at: blk_trace_remove+0x1b/0x40 [ 465.524997][ T29] 1 lock held by syz-executor.1/29839: [ 465.530426][ T29] #0: ffff888105ea5660 (&q->debugfs_mutex){....}-{3:3}, at: blk_trace_setup+0x41/0x130 [ 465.540163][ T29] 1 lock held by syz-executor.1/29840: [ 465.545611][ T29] #0: ffff888105ea5660 (&q->debugfs_mutex){....}-{3:3}, at: blk_trace_remove+0x1b/0x40 [ 465.555332][ T29] 1 lock held by syz-executor.3/30297: [ 465.560845][ T29] #0: ffff888105ea5660 (&q->debugfs_mutex){....}-{3:3}, at: blk_trace_setup+0x41/0x130 [ 465.570576][ T29] 1 lock held by syz-executor.3/30298: [ 465.576024][ T29] #0: ffff888105ea5660 (&q->debugfs_mutex){....}-{3:3}, at: blk_trace_remove+0x1b/0x40 [ 465.585742][ T29] 1 lock held by syz-executor.2/31175: [ 465.591166][ T29] #0: ffff888105ea5660 (&q->debugfs_mutex){....}-{3:3}, at: blk_trace_setup+0x41/0x130 [ 465.601858][ T29] 1 lock held by syz-executor.2/31188: [ 465.607299][ T29] #0: ffff888105ea5660 (&q->debugfs_mutex){....}-{3:3}, at: blk_trace_remove+0x1b/0x40 [ 465.617012][ T29] 1 lock held by syz-executor.4/31215: [ 465.622465][ T29] #0: ffff888105ea5660 (&q->debugfs_mutex){....}-{3:3}, at: blk_trace_setup+0x41/0x130 [ 465.632179][ T29] 1 lock held by syz-executor.4/31216: [ 465.637691][ T29] #0: ffff888105ea5660 (&q->debugfs_mutex){....}-{3:3}, at: blk_trace_remove+0x1b/0x40 [ 465.647405][ T29] 1 lock held by syz-executor.0/31672: [ 465.652846][ T29] #0: ffff888105ea5660 (&q->debugfs_mutex){....}-{3:3}, at: blk_trace_setup+0x41/0x130 [ 465.662555][ T29] 1 lock held by syz-executor.0/31673: [ 465.667975][ T29] #0: ffff888105ea5660 (&q->debugfs_mutex){....}-{3:3}, at: blk_trace_remove+0x1b/0x40 [ 465.677701][ T29] 1 lock held by syz-executor.5/32130: [ 465.683149][ T29] #0: ffff888105ea5660 (&q->debugfs_mutex){....}-{3:3}, at: blk_trace_setup+0x41/0x130 [ 465.692866][ T29] 1 lock held by syz-executor.5/32131: [ 465.698292][ T29] #0: ffff888105ea5660 (&q->debugfs_mutex){....}-{3:3}, at: blk_trace_remove+0x1b/0x40 [ 465.708102][ T29] 1 lock held by syz-executor.1/32588: [ 465.713557][ T29] #0: ffff888105ea5660 (&q->debugfs_mutex){....}-{3:3}, at: blk_trace_setup+0x41/0x130 [ 465.723269][ T29] 1 lock held by syz-executor.1/32589: [ 465.728691][ T29] #0: ffff888105ea5660 (&q->debugfs_mutex){....}-{3:3}, at: blk_trace_remove+0x1b/0x40 [ 465.738408][ T29] [ 465.740711][ T29] ============================================= [ 465.740711][ T29] [ 465.749114][ T29] NMI backtrace for cpu 1 [ 465.753408][ T29] CPU: 1 UID: 0 PID: 29 Comm: khungtaskd Not tainted 6.11.0-rc4-syzkaller #0 [ 465.762131][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 465.772158][ T29] Call Trace: [ 465.775411][ T29] [ 465.778315][ T29] dump_stack_lvl+0x3e/0xe0 [ 465.782790][ T29] nmi_cpu_backtrace+0x146/0x160 [ 465.787705][ T29] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 465.793657][ T29] nmi_trigger_cpumask_backtrace+0x8e/0x140 [ 465.799522][ T29] watchdog+0x5e4/0x610 [ 465.803646][ T29] ? watchdog+0xce/0x610 [ 465.807856][ T29] ? __pfx_watchdog+0x10/0x10 [ 465.812500][ T29] kthread+0xec/0x100 [ 465.816450][ T29] ? __pfx_kthread+0x10/0x10 [ 465.821023][ T29] ret_from_fork+0x34/0x40 [ 465.825422][ T29] ? __pfx_kthread+0x10/0x10 [ 465.829981][ T29] ret_from_fork_asm+0x1a/0x30 [ 465.834718][ T29] [ 465.837739][ T29] Sending NMI from CPU 1 to CPUs 0: [ 465.842940][ C0] NMI backtrace for cpu 0 [ 465.842943][ C0] CPU: 0 UID: 0 PID: 23433 Comm: syz-executor.0 Not tainted 6.11.0-rc4-syzkaller #0 [ 465.842947][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 465.842948][ C0] RIP: 0010:__this_cpu_preempt_check+0x0/0x20 [ 465.842955][ C0] Code: 3d ff ff e8 e2 a4 ff ff eb a8 e8 6b ed ff ff 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 89 fe 48 c7 c7 f6 a4 43 82 e9 bd fe ff ff 66 2e 0f [ 465.842957][ C0] RSP: 0018:ffffc900001d7a40 EFLAGS: 00000046 [ 465.842960][ C0] RAX: 0000000000000002 RBX: 0000000000000000 RCX: 0000000000000006 [ 465.842962][ C0] RDX: 807fffffffffffff RSI: ffffffff82813fe8 RDI: ffffffff823f68c0 [ 465.842963][ C0] RBP: 0000000000000002 R08: 8080808080808080 R09: fefefefefefefeff [ 465.842965][ C0] R10: 0000000000000008 R11: 0000302e726f7475 R12: ffffffff82813fe8 [ 465.842966][ C0] R13: ffff8882239ed1c0 R14: 00000000ffffffff R15: 0000000000000246 [ 465.842971][ C0] FS: 00007f205457f6c0(0000) GS:ffff888237c00000(0000) knlGS:0000000000000000 [ 465.842973][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 465.842975][ C0] CR2: 000056475ef72370 CR3: 00000001d4552000 CR4: 0000000000350ef0 [ 465.842978][ C0] Call Trace: [ 465.842980][ C0] [ 465.842981][ C0] ? nmi_cpu_backtrace+0x110/0x160 [ 465.842986][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 465.842990][ C0] ? nmi_handle+0x9b/0x1c0 [ 465.842993][ C0] ? nmi_handle+0x25/0x1c0 [ 465.842995][ C0] ? __pfx___this_cpu_preempt_check+0x10/0x10 [ 465.842998][ C0] ? default_do_nmi+0x63/0x160 [ 465.843001][ C0] ? exc_nmi+0xfc/0x170 [ 465.843004][ C0] ? end_repeat_nmi+0xf/0x53 [ 465.843008][ C0] ? __pfx___this_cpu_preempt_check+0x10/0x10 [ 465.843012][ C0] ? __pfx___this_cpu_preempt_check+0x10/0x10 [ 465.843015][ C0] ? __pfx___this_cpu_preempt_check+0x10/0x10 [ 465.843018][ C0] [ 465.843018][ C0] [ 465.843019][ C0] lock_is_held_type+0xe8/0x170 [ 465.843023][ C0] __stack_depot_get_stack_record+0x39/0x80 [ 465.843028][ C0] __set_page_owner+0x125/0x210 [ 465.843033][ C0] post_alloc_hook+0x15a/0x180 [ 465.843037][ C0] get_page_from_freelist+0x176b/0x1890 [ 465.843043][ C0] __alloc_pages_noprof+0x120/0x2a0 [ 465.843046][ C0] alloc_pages_mpol_noprof+0xa2/0x150 [ 465.843050][ C0] relay_open_buf+0xed/0x3f0 [ 465.843053][ C0] relay_open+0x162/0x300 [ 465.843056][ C0] do_blk_trace_setup+0x1f6/0x2b0 [ 465.843060][ C0] blk_trace_setup+0xc5/0x130 [ 465.843064][ C0] sg_ioctl+0x5ab/0xca0 [ 465.843069][ C0] __se_sys_ioctl+0x70/0xc0 [ 465.843073][ C0] do_syscall_64+0x8d/0x170 [ 465.843076][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 465.843080][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 465.843082][ C0] RIP: 0033:0x7f20549fcee9 [ 465.843085][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 465.843087][ C0] RSP: 002b:00007f205457f0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 465.843089][ C0] RAX: ffffffffffffffda RBX: 00007f2054b2bf80 RCX: 00007f20549fcee9 [ 465.843091][ C0] RDX: 0000000020000040 RSI: 00000000c0481273 RDI: 0000000000000003 [ 465.843092][ C0] RBP: 00007f2054a4949e R08: 0000000000000000 R09: 0000000000000000 [ 465.843094][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 465.843095][ C0] R13: 0000000000000006 R14: 00007f2054b2bf80 R15: 00007ffc3b64c798 [ 465.843098][ C0] [ 465.843935][ T29] Kernel panic - not syncing: hung_task: blocked tasks [ 466.192998][ T29] Kernel Offset: disabled [ 466.197299][ T29] Rebooting in 86400 seconds..