Warning: Permanently added '10.128.10.18' (ED25519) to the list of known hosts. 2026/01/15 08:31:48 parsed 1 programs [ 63.434581][ T2835] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k 2026/01/15 08:31:51 executed programs: 0 [ 66.251697][ T3360] modprobe (3360) used greatest stack depth: 11448 bytes left [ 67.910290][ T3911] modprobe (3911) used greatest stack depth: 11432 bytes left 2026/01/15 08:31:56 executed programs: 84 2026/01/15 08:32:01 executed programs: 1005 2026/01/15 08:32:06 executed programs: 2461 [ 82.904207][ T3304] syz-executor (3304) used greatest stack depth: 11176 bytes left [ 84.833296][T12542] syz.7.3490 (12542) used greatest stack depth: 11112 bytes left 2026/01/15 08:32:11 executed programs: 3802 2026/01/15 08:32:16 executed programs: 4985 2026/01/15 08:32:21 executed programs: 6269 2026/01/15 08:32:26 executed programs: 7611 2026/01/15 08:32:31 executed programs: 8933 2026/01/15 08:32:36 executed programs: 10256 2026/01/15 08:32:41 executed programs: 11572 2026/01/15 08:32:46 executed programs: 12864 2026/01/15 08:32:51 executed programs: 14187 2026/01/15 08:32:56 executed programs: 15499 2026/01/15 08:33:01 executed programs: 16807 2026/01/15 08:33:06 executed programs: 18125 2026/01/15 08:33:11 executed programs: 19434 2026/01/15 08:33:17 executed programs: 20768 2026/01/15 08:33:22 executed programs: 22102 2026/01/15 08:33:27 executed programs: 23446 2026/01/15 08:33:32 executed programs: 24761 2026/01/15 08:33:37 executed programs: 26080 2026/01/15 08:33:42 executed programs: 27390 2026/01/15 08:33:47 executed programs: 28722 2026/01/15 08:33:52 executed programs: 30049 2026/01/15 08:33:57 executed programs: 31341 2026/01/15 08:34:02 executed programs: 32723 2026/01/15 08:34:07 executed programs: 34086 2026/01/15 08:34:12 executed programs: 35422 2026/01/15 08:34:17 executed programs: 36771 2026/01/15 08:34:22 executed programs: 38079 2026/01/15 08:34:27 executed programs: 39382 [ 223.631771][ T31] INFO: task syz.1.116:5419 blocked for more than 143 seconds. [ 223.639918][ T31] Not tainted syzkaller #0 [ 223.645020][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 223.653780][ T31] task:syz.1.116 state:D stack:12704 pid:5419 tgid:5418 ppid:2851 task_flags:0x400140 flags:0x00080002 [ 223.665726][ T31] Call Trace: [ 223.668982][ T31] [ 223.672017][ T31] __schedule+0x64e/0x17f0 [ 223.676410][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 223.682597][ T31] ? schedule+0x21/0x140 [ 223.686964][ T31] schedule+0xac/0x140 [ 223.691959][ T31] schedule_preempt_disabled+0x32/0x60 [ 223.697528][ T31] rwsem_down_read_slowpath+0x282/0x540 [ 223.703211][ T31] down_read+0x86/0xf0 [ 223.707316][ T31] __rmap_walk_file+0x9c/0x220 [ 223.712268][ T31] migrate_pages+0x440/0xd60 [ 223.717050][ T31] ? __pfx_alloc_migration_target_by_mpol+0x10/0x10 [ 223.723768][ T31] ? __pfx_remove_migration_pte+0x10/0x10 [ 223.729537][ T31] __se_sys_mbind+0x632/0x720 [ 223.734373][ T31] do_syscall_64+0x85/0x2e0 [ 223.738913][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 223.744917][ T31] RIP: 0033:0x7f94dd785d19 [ 223.749365][ T31] RSP: 002b:00007f94de52a038 EFLAGS: 00000246 ORIG_RAX: 00000000000000ed [ 223.757961][ T31] RAX: ffffffffffffffda RBX: 00007f94dd975fa0 RCX: 00007f94dd785d19 [ 223.766098][ T31] RDX: 0000000000000000 RSI: 0000000000800000 RDI: 0000000020001000 [ 223.774184][ T31] RBP: 00007f94dd801a20 R08: 0000000000000000 R09: 0000000000000002 [ 223.782261][ T31] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 223.790280][ T31] R13: 0000000000000000 R14: 00007f94dd975fa0 R15: 00007ffd1c35a838 [ 223.798444][ T31] [ 223.801614][ T31] INFO: task syz.1.116:5441 blocked for more than 143 seconds. [ 223.809314][ T31] Not tainted syzkaller #0 [ 223.814663][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 223.823471][ T31] task:syz.1.116 state:D stack:13848 pid:5441 tgid:5418 ppid:2851 task_flags:0x400040 flags:0x00080002 [ 223.835476][ T31] Call Trace: [ 223.838798][ T31] [ 223.841885][ T31] __schedule+0x64e/0x17f0 [ 223.846343][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 223.852097][ T31] ? schedule+0x21/0x140 [ 223.856378][ T31] schedule+0xac/0x140 [ 223.860495][ T31] io_schedule+0x3e/0x60 [ 223.865191][ T31] folio_wait_bit_common+0x1fa/0x3a0 [ 223.870564][ T31] ? __pfx_wake_page_function+0x10/0x10 [ 223.876303][ T31] __filemap_get_folio_mpol+0x70/0x460 [ 223.881900][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 223.887606][ T31] hugetlbfs_zero_partial_page+0x3a/0x130 [ 223.893524][ T31] hugetlbfs_fallocate+0x2dc/0x5e0 [ 223.898692][ T31] ? __update_page_owner_handle+0x47/0x1b0 [ 223.904703][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 223.910390][ T31] vfs_fallocate+0x1ab/0x1d0 [ 223.915205][ T31] madvise_vma_behavior+0x5cf/0x1230 [ 223.920549][ T31] ? __mod_zone_page_state+0x62/0x90 [ 223.926037][ T31] ? srso_alias_return_thunk+0x5/0xfbef5 [ 223.931803][ T31] ? find_vma_prev+0x9b/0xe0 [ 223.936436][ T31] madvise_do_behavior+0x30f/0x4c0 [ 223.941716][ T31] do_madvise+0x194/0x1f0 [ 223.946100][ T31] __x64_sys_madvise+0x24/0x30 [ 223.950908][ T31] do_syscall_64+0x85/0x2e0 [ 223.955619][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 223.961671][ T31] RIP: 0033:0x7f94dd785d19 [ 223.966133][ T31] RSP: 002b:00007f94de4d6038 EFLAGS: 00000246 ORIG_RAX: 000000000000001c [ 223.974698][ T31] RAX: ffffffffffffffda RBX: 00007f94dd976080 RCX: 00007f94dd785d19 [ 223.982829][ T31] RDX: 0000000000000009 RSI: 0000000000600002 RDI: 0000000020000000 [ 223.990836][ T31] RBP: 00007f94dd801a20 R08: 0000000000000000 R09: 0000000000000000 [ 223.998976][ T31] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 224.007111][ T31] R13: 0000000000000001 R14: 00007f94dd976080 R15: 00007ffd1c35a838 [ 224.015212][ T31] [ 224.018397][ T31] [ 224.018397][ T31] Showing all locks held in the system: [ 224.034550][ T31] 1 lock held by khungtaskd/31: [ 224.044789][ T31] #0: ffffffff8397d7a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x2e/0x100 [ 224.062518][ T31] 2 locks held by kworker/u8:2/36: [ 224.067717][ T31] #0: ffff8881036ddd48 ((wq_completion)iou_exit){....}-{0:0}, at: process_scheduled_works+0x27f/0x5e0 [ 224.079110][ T31] #1: ffffc9000018fe48 ((work_completion)(&ctx->exit_work)){....}-{0:0}, at: process_scheduled_works+0x29f/0x5e0 [ 224.091488][ T31] 2 locks held by kworker/u8:4/321: [ 224.099216][ T31] #0: ffff8881036ddd48 ((wq_completion)iou_exit){....}-{0:0}, at: process_scheduled_works+0x27f/0x5e0 [ 224.110441][ T31] #1: ffffc900020c7e48 ((work_completion)(&ctx->exit_work)){....}-{0:0}, at: process_scheduled_works+0x29f/0x5e0 [ 224.122630][ T31] 2 locks held by getty/1880: [ 224.127348][ T31] #0: ffff888141a950a0 (&tty->ldisc_sem){....}-{0:0}, at: tty_ldisc_ref_wait+0x20/0x40 [ 224.137243][ T31] #1: ffffc900013fb2f0 (&ldata->atomic_read_lock){....}-{3:3}, at: n_tty_read+0x1c4/0x700 [ 224.147382][ T31] 1 lock held by syz.1.116/5419: [ 224.152699][ T31] #0: ffff8881412fe858 (&hugetlbfs_i_mmap_rwsem_key){....}-{3:3}, at: __rmap_walk_file+0x9c/0x220 [ 224.163526][ T31] 3 locks held by syz.1.116/5441: [ 224.168587][ T31] #0: ffff8881022fb408 (sb_writers#12){....}-{0:0}, at: vfs_fallocate+0x18f/0x1d0 [ 224.178094][ T31] #1: ffff8881412fe588 (&sb->s_type->i_mutex_key#18){....}-{3:3}, at: hugetlbfs_fallocate+0x1f2/0x5e0 [ 224.189305][ T31] #2: ffff8881412fe858 (&hugetlbfs_i_mmap_rwsem_key){....}-{3:3}, at: hugetlbfs_fallocate+0x24e/0x5e0 [ 224.200565][ T31] 2 locks held by kworker/u8:11/6025: [ 224.206120][ T31] #0: ffff888100074948 ((wq_completion)events_unbound){....}-{0:0}, at: process_scheduled_works+0x27f/0x5e0 [ 224.217902][ T31] #1: ffffc90003a37e48 ((work_completion)(&sub_info->work)){....}-{0:0}, at: process_scheduled_works+0x29f/0x5e0 [ 224.230062][ T31] 1 lock held by syz.9.39851/2905: [ 224.235322][ T31] #0: ffffffff8397e778 (rcu_state.exp_mutex){....}-{3:3}, at: synchronize_rcu_expedited+0x2d2/0x610 [ 224.246355][ T31] 1 lock held by syz.5.39855/2913: [ 224.251592][ T31] #0: ffffffff8397e778 (rcu_state.exp_mutex){....}-{3:3}, at: synchronize_rcu_expedited+0x179/0x610 [ 224.262642][ T31] 2 locks held by modprobe/2956: [ 224.267666][ T31] [ 224.285823][ T31] ============================================= [ 224.285823][ T31] [ 224.307329][ T31] NMI backtrace for cpu 1 [ 224.307334][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 224.307338][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 224.307341][ T31] Call Trace: [ 224.307343][ T31] [ 224.307348][ T31] dump_stack_lvl+0x52/0x80 [ 224.307356][ T31] nmi_cpu_backtrace+0xbb/0x110 [ 224.307362][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 224.307367][ T31] nmi_trigger_cpumask_backtrace+0x8e/0x140 [ 224.307372][ T31] sys_info+0x95/0xb0 [ 224.307376][ T31] watchdog+0x590/0x5b0 [ 224.307381][ T31] ? watchdog+0xe5/0x5b0 [ 224.307385][ T31] ? __pfx_watchdog+0x10/0x10 [ 224.307390][ T31] kthread+0x203/0x230 [ 224.307396][ T31] ? __pfx_kthread+0x10/0x10 [ 224.307399][ T31] ret_from_fork+0xf2/0x230 [ 224.307404][ T31] ? __pfx_kthread+0x10/0x10 [ 224.307407][ T31] ret_from_fork_asm+0x1a/0x30 [ 224.307417][ T31] [ 224.307422][ T31] Sending NMI from CPU 1 to CPUs 0: [ 224.406205][ C0] NMI backtrace for cpu 0 [ 224.406210][ C0] CPU: 0 UID: 0 PID: 13712 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) [ 224.406214][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 224.406216][ C0] RIP: 0010:lock_release+0xee/0x2e0 [ 224.406222][ C0] Code: 5c 24 08 45 8d 6c 24 ff 49 63 c5 48 8d 1c 80 49 8d 2c df 48 81 c5 88 0a 00 00 48 89 ef 4c 89 f6 e8 e7 21 83 01 44 89 6c 24 04 <85> c0 0f 84 a3 00 00 00 48 85 ed 0f 84 de 00 00 00 8b 45 20 3d 00 [ 224.406225][ C0] RSP: 0000:ffffc90005bef818 EFLAGS: 00000046 [ 224.406227][ C0] RAX: 0000000000000001 RBX: 0000000000000005 RCX: 0000000000000046 [ 224.406229][ C0] RDX: ffffc90005bec000 RSI: ffffffff8397d7a0 RDI: ffff88811a3ea6f0 [ 224.406231][ C0] RBP: ffff88811a3ea6f0 R08: ffffc90005bef940 R09: ffffffff83cb1d70 [ 224.406232][ C0] R10: ffffffff812a562e R11: 0000000000000001 R12: 0000000000000002 [ 224.406233][ C0] R13: 0000000000000001 R14: ffffffff8397d7a0 R15: ffff88811a3e9c40 [ 224.406237][ C0] FS: 000055558032e500(0000) GS:ffff8881b720f000(0000) knlGS:0000000000000000 [ 224.406239][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 224.406241][ C0] CR2: 00007ffcba2842a8 CR3: 000000011a30f000 CR4: 0000000000350ef0 [ 224.406245][ C0] Call Trace: [ 224.406247][ C0] [ 224.406249][ C0] ? unwind_next_frame+0x3a/0xd00 [ 224.406253][ C0] ? unwind_next_frame+0x3a/0xd00 [ 224.406256][ C0] unwind_next_frame+0xb4f/0xd00 [ 224.406258][ C0] ? __unwind_start+0xaa/0x1e0 [ 224.406262][ C0] __unwind_start+0x182/0x1e0 [ 224.406265][ C0] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 224.406268][ C0] arch_stack_walk+0xe4/0x150 [ 224.406272][ C0] ? arch_stack_walk+0xe4/0x150 [ 224.406275][ C0] stack_trace_save+0x46/0x70 [ 224.406278][ C0] save_stack+0xf1/0x150 [ 224.406284][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 224.406287][ C0] __set_page_owner+0x24/0x170 [ 224.406290][ C0] prep_new_page+0xe1/0x120 [ 224.406295][ C0] get_page_from_freelist+0x141e/0x1470 [ 224.406301][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 224.406304][ C0] ? __alloc_frozen_pages_noprof+0xb1/0x290 [ 224.406308][ C0] ? prepare_alloc_pages+0xf8/0x1d0 [ 224.406312][ C0] __alloc_frozen_pages_noprof+0xf2/0x290 [ 224.406316][ C0] alloc_pages_mpol+0x10e/0x200 [ 224.406320][ C0] folio_alloc_mpol_noprof+0xf/0xd0 [ 224.406322][ C0] vma_alloc_folio_noprof+0x104/0x160 [ 224.406325][ C0] do_wp_page+0x716/0x17f0 [ 224.406329][ C0] ? do_wp_page+0x4f8/0x17f0 [ 224.406332][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 224.406336][ C0] handle_mm_fault+0xa7b/0x22f0 [ 224.406340][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 224.406347][ C0] do_user_addr_fault+0x1a8/0x720 [ 224.406350][ C0] ? srso_alias_return_thunk+0x5/0xfbef5 [ 224.406354][ C0] exc_page_fault+0x62/0xa0 [ 224.406358][ C0] asm_exc_page_fault+0x26/0x30 [ 224.406360][ C0] RIP: 0033:0x7f447e37c108 [ 224.406363][ C0] Code: 84 e4 74 66 e8 89 04 00 00 41 89 c4 85 c0 0f 84 4e 01 00 00 49 c7 c5 a8 ff ff ff 64 45 8b 75 00 48 89 da 89 ee bf 02 00 00 00 93 09 00 00 45 85 e4 79 05 64 45 89 75 00 48 8b 84 24 c8 00 00 [ 224.406364][ C0] RSP: 002b:00007ffcba2842b0 EFLAGS: 00010202 [ 224.406366][ C0] RAX: 0000000000000c7a RBX: 0000000000000000 RCX: 00007f447e37c593 [ 224.406368][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 [ 224.406369][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001 [ 224.406370][ C0] R10: 000055558032e7d0 R11: 0000000000000246 R12: 0000000000000c7a [ 224.406372][ C0] R13: ffffffffffffffa8 R14: 0000000000000006 R15: 000000000000063b [ 224.406376][ C0] [ 224.755421][ T31] Kernel panic - not syncing: hung_task: blocked tasks [ 224.762569][ T31] Kernel Offset: disabled [ 224.766861][ T31] Rebooting in 86400 seconds..