Warning: Permanently added '10.128.1.224' (ED25519) to the list of known hosts. 2026/01/06 13:59:23 parsed 1 programs [ 49.186721][ T30] kauditd_printk_skb: 27 callbacks suppressed [ 49.186725][ T30] audit: type=1400 audit(1767707963.324:102): avc: denied { unlink } for pid=1883 comm="syz-executor" name="swap-file" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 49.227187][ T1883] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 49.589642][ T30] audit: type=1400 audit(1767707963.724:103): avc: denied { mounton } for pid=1888 comm="syz-executor" path="/root/syzkaller.3jWAbh/syz-tmp/newroot/dev" dev="tmpfs" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=dir permissive=1 [ 49.648221][ T30] audit: type=1401 audit(1767707963.784:104): op=setxattr invalid_context="u:object_r:app_data_file:s0:c512,c768" [ 49.844606][ T1941] modprobe (1941) used greatest stack depth: 11720 bytes left 2026/01/06 13:59:25 executed programs: 0 [ 52.484628][ T30] audit: type=1400 audit(1767707966.614:105): avc: denied { allowed } for pid=2839 comm="syz.3.16" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=io_uring permissive=1 [ 52.503740][ T30] audit: type=1400 audit(1767707966.614:106): avc: denied { create } for pid=2839 comm="syz.3.16" anonclass=[io_uring] scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:sysadm_t tclass=anon_inode permissive=1 [ 52.525027][ T30] audit: type=1400 audit(1767707966.614:107): avc: denied { map } for pid=2839 comm="syz.3.16" path="anon_inode:[io_uring]" dev="anon_inodefs" ino=4360 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:sysadm_t tclass=anon_inode permissive=1 [ 52.548952][ T30] audit: type=1400 audit(1767707966.614:108): avc: denied { read write } for pid=2839 comm="syz.3.16" path="anon_inode:[io_uring]" dev="anon_inodefs" ino=4360 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:sysadm_t tclass=anon_inode permissive=1 [ 52.573435][ T30] audit: type=1400 audit(1767707966.654:109): avc: denied { execute } for pid=2839 comm="syz.3.16" path="/0/bus" dev="tmpfs" ino=18 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=file permissive=1 2026/01/06 13:59:43 executed programs: 3 2026/01/06 14:00:00 executed programs: 4 2026/01/06 14:00:17 executed programs: 5 2026/01/06 14:00:36 executed programs: 6 2026/01/06 14:00:55 executed programs: 7 2026/01/06 14:01:15 executed programs: 8 2026/01/06 14:01:36 executed programs: 9 2026/01/06 14:01:57 executed programs: 10 [ 210.976285][ T31] INFO: task syz.3.16:2841 blocked for more than 143 seconds. [ 210.983754][ T31] Not tainted syzkaller #0 [ 210.988669][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 210.997399][ T31] task:syz.3.16 state:D stack:12456 pid:2841 tgid:2839 ppid:2390 task_flags:0x400740 flags:0x00080002 [ 211.009277][ T31] Call Trace: [ 211.012524][ T31] [ 211.015427][ T31] __schedule+0x568/0xfa0 [ 211.019746][ T31] schedule+0x25/0x110 [ 211.023778][ T31] schedule_timeout+0x109/0x120 [ 211.028662][ T31] __wait_for_common+0x99/0x1b0 [ 211.033477][ T31] ? __pfx_schedule_timeout+0x10/0x10 [ 211.038822][ T31] wait_for_completion_state+0x1c/0x40 [ 211.044242][ T31] vfs_coredump+0x272/0x2240 [ 211.048802][ T31] ? find_held_lock+0x2b/0x80 [ 211.053443][ T31] ? __free_frozen_pages+0x41b/0x740 [ 211.058704][ T31] ? do_raw_spin_unlock+0x52/0xc0 [ 211.063694][ T31] ? _raw_spin_unlock+0x28/0x50 [ 211.068537][ T31] ? debug_check_no_obj_freed+0x168/0x290 [ 211.074307][ T31] ? do_raw_spin_unlock+0x52/0xc0 [ 211.079310][ T31] ? _raw_spin_unlock_irqrestore+0x3c/0x70 [ 211.085078][ T31] ? debug_check_no_obj_freed+0x168/0x290 [ 211.090774][ T31] get_signal+0x849/0xa00 [ 211.095069][ T31] ? force_sig_info_to_task+0x112/0x190 [ 211.100602][ T31] arch_do_signal_or_restart+0x38/0x220 [ 211.106113][ T31] exit_to_user_mode_loop+0x72/0x490 [ 211.111368][ T31] ? syscall_trace_enter+0x62/0x1d0 [ 211.116545][ T31] do_syscall_64+0x31a/0x370 [ 211.121096][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 211.126963][ T31] RIP: 0033:0x7f2d911ae929 [ 211.131337][ T31] RSP: 002b:00007f2d90a7d0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 211.139719][ T31] RAX: 00000000000000ca RBX: 00007f2d913d6088 RCX: 00007f2d911ae929 [ 211.147662][ T31] RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f2d913d608c [ 211.155620][ T31] RBP: 00007f2d913d6080 R08: 00007f2d91f10000 R09: 0000000000000000 [ 211.163572][ T31] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2d913d608c [ 211.171522][ T31] R13: 0000000000000000 R14: 00007ffd1a8441a0 R15: 00007ffd1a844288 [ 211.179485][ T31] [ 211.986237][ T31] [ 211.986237][ T31] Showing all locks held in the system: [ 211.993950][ T31] 1 lock held by khungtaskd/31: [ 211.998783][ T31] #0: ffffffff82982140 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x36/0x120 [ 212.008566][ T31] 7 locks held by kworker/u8:3/46: [ 212.013678][ T31] 2 locks held by getty/853: [ 212.018239][ T31] #0: ffff888105aa10a0 (&tty->ldisc_sem){....}-{0:0}, at: tty_ldisc_ref_wait+0x23/0x60 [ 212.027947][ T31] #1: ffffc90001c0f2f0 (&ldata->atomic_read_lock){....}-{3:3}, at: n_tty_read+0x17a/0x670 [ 212.037903][ T31] 2 locks held by syz.1.24/6477: [ 212.042799][ T31] [ 212.045091][ T31] ============================================= [ 212.045091][ T31] [ 212.053484][ T31] NMI backtrace for cpu 1 [ 212.053490][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(none) [ 212.053493][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 212.053495][ T31] Call Trace: [ 212.053498][ T31] [ 212.053499][ T31] dump_stack_lvl+0x5a/0x90 [ 212.053509][ T31] nmi_cpu_backtrace+0xd4/0x110 [ 212.053514][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 212.053519][ T31] nmi_trigger_cpumask_backtrace+0xd5/0x140 [ 212.053523][ T31] sys_info+0x92/0xb0 [ 212.053526][ T31] watchdog+0x514/0x620 [ 212.053531][ T31] ? watchdog+0x248/0x620 [ 212.053536][ T31] ? __pfx_watchdog+0x10/0x10 [ 212.053538][ T31] kthread+0x107/0x200 [ 212.053544][ T31] ? __pfx_kthread+0x10/0x10 [ 212.053547][ T31] ret_from_fork+0x214/0x230 [ 212.053552][ T31] ? __pfx_kthread+0x10/0x10 [ 212.053555][ T31] ret_from_fork_asm+0x1a/0x30 [ 212.053563][ T31] [ 212.053564][ T31] Sending NMI from CPU 1 to CPUs 0: [ 212.151863][ C0] NMI backtrace for cpu 0 [ 212.151867][ C0] CPU: 0 UID: 0 PID: 5567 Comm: syz.9.22 Not tainted syzkaller #0 PREEMPT(none) [ 212.151870][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 [ 212.151872][ C0] RIP: 0010:do_raw_spin_lock+0x39/0xc0 [ 212.151879][ C0] Code: de 75 45 48 8b 43 10 65 48 3b 05 da 6a f5 01 74 51 8b 53 08 65 8b 05 ea 6a f5 01 39 c2 74 60 31 c0 ba 01 00 00 00 f0 0f b1 13 <75> 64 65 8b 05 d2 6a f5 01 89 43 08 65 48 8b 05 ab 6a f5 01 48 89 [ 212.151881][ C0] RSP: 0018:ffffc90002907d30 EFLAGS: 00000046 [ 212.151884][ C0] RAX: 0000000000000000 RBX: ffff888101bc6320 RCX: 00000000edb0a1ab [ 212.151885][ C0] RDX: 0000000000000001 RSI: ffffffff825245ff RDI: ffff888101bc6320 [ 212.151887][ C0] RBP: 0000000000000202 R08: 0000000000080000 R09: 0000000000000001 [ 212.151888][ C0] R10: 0000000000000001 R11: 0000000000000000 R12: ffff888101bc6320 [ 212.151889][ C0] R13: ffff888101bc6040 R14: 0000000000000000 R15: ffffc90002907dd0 [ 212.151893][ C0] FS: 00007f173d4cf6c0(0000) GS:ffff8882b49aa000(0000) knlGS:0000000000000000 [ 212.151895][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 212.151897][ C0] CR2: 000000c0063fe000 CR3: 000000010a73a000 CR4: 00000000003506f0 [ 212.151898][ C0] Call Trace: [ 212.151900][ C0] [ 212.151902][ C0] _raw_spin_lock_irqsave+0x3a/0x50 [ 212.151906][ C0] ? prepare_to_wait_exclusive+0x29/0xc0 [ 212.151910][ C0] prepare_to_wait_exclusive+0x29/0xc0 [ 212.151913][ C0] io_cqring_wait+0x38b/0x6c0 [ 212.151918][ C0] ? __pfx_io_wake_function+0x10/0x10 [ 212.151922][ C0] __do_sys_io_uring_enter+0x4e2/0x7a0 [ 212.151926][ C0] do_syscall_64+0x6e/0x370 [ 212.151930][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 212.151933][ C0] RIP: 0033:0x7f173da5e929 [ 212.151936][ C0] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 [ 212.151938][ C0] RSP: 002b:00007f173d4cf038 EFLAGS: 00000246 ORIG_RAX: 00000000000001aa [ 212.151940][ C0] RAX: ffffffffffffffda RBX: 00007f173dc85fa0 RCX: 00007f173da5e929 [ 212.151941][ C0] RDX: 000000000000235c RSI: 0000000000000000 RDI: 0000000000000003 [ 212.151943][ C0] RBP: 00007f173dae0b39 R08: 0000000000000000 R09: 0000000000000000 [ 212.151944][ C0] R10: 0000000000000003 R11: 0000000000000246 R12: 0000000000000000 [ 212.151945][ C0] R13: 0000000000000000 R14: 00007f173dc85fa0 R15: 00007ffd8f87eea8 [ 212.151948][ C0] [ 212.394371][ T31] Kernel panic - not syncing: hung_task: blocked tasks [ 212.401432][ T31] Kernel Offset: disabled [ 212.405823][ T31] Rebooting in 86400 seconds..