Warning: Permanently added '10.128.0.55' (ED25519) to the list of known hosts. executing program [ 130.836869][ T4182] syz-executor134[4182]: segfault at 28 ip 00007fe0d8378b46 sp 00007ffc83dbcbf0 error 4 in syz-executor1349722115[7fe0d8347000+7a000] [ 130.843286][ T4185] syz-executor134[4185]: segfault at 28 ip 00007fe0d8378b46 sp 00007ffc83dbcbf0 error 4 in syz-executor1349722115[7fe0d8347000+7a000] [ 130.851857][ T4186] syz-executor134[4186]: segfault at 28 ip 00007fe0d8378b46 sp 00007ffc83dbcbf0 error 4 [ 130.864885][ T4184] syz-executor134[4184]: segfault at 28 ip 00007fe0d8378b46 sp 00007ffc83dbcbf0 error 4 [ 130.865205][ T4187] syz-executor134[4187]: segfault at 28 ip 00007fe0d8378b46 sp 00007ffc83dbcbf0 error 4 [ 130.883258][ T4183] syz-executor134[4183]: segfault at 28 ip 00007fe0d8378b46 sp 00007ffc83dbcbf0 error 4 [ 130.884703][ T4189] syz-executor134[4189]: segfault at 28 ip 00007fe0d8378b46 sp 00007ffc83dbcbf0 error 4 [ 130.894299][ T4188] syz-executor134[4188]: segfault at 28 ip 00007fe0d8378b46 sp 00007ffc83dbcbf0 error 4 [ 130.904113][ T4190] syz-executor134[4190]: segfault at 28 ip 00007fe0d8378b46 sp 00007ffc83dbcbf0 error 4 [ 130.913807][ T4191] syz-executor134[4191]: segfault at 28 ip 00007fe0d8378b46 sp 00007ffc83dbcbf0 error 4 [ 130.926176][ T4182] Code: 8b 04 24 48 8b 54 24 18 64 48 2b 14 25 28 00 00 00 75 05 48 83 c4 28 c3 e8 27 18 00 00 0f 1f 80 00 00 00 00 48 83 ec 28 31 f6 <64> 48 8b 04 25 28 00 00 00 48 89 44 24 18 31 c0 89 f8 48 69 c0 83 [ 130.943071][ T4184] in syz-executor1349722115[7fe0d8347000+7a000] [ 130.965887][ T4183] in syz-executor1349722115[7fe0d8347000+7a000] [ 130.967212][ T4186] in syz-executor1349722115[7fe0d8347000+7a000] [ 130.972390][ T4183] [ 130.979466][ T4187] in syz-executor1349722115[7fe0d8347000+7a000] [ 130.987503][ T4189] in syz-executor1349722115[7fe0d8347000+7a000] [ 130.996476][ T4190] in syz-executor1349722115[7fe0d8347000+7a000] [ 130.998513][ T4188] in syz-executor1349722115[7fe0d8347000+7a000] [ 131.002829][ T4190] [ 131.009315][ T4185] Code: 8b 04 24 48 8b 54 24 18 64 48 2b 14 25 28 00 00 00 75 05 48 83 c4 28 c3 e8 27 18 00 00 0f 1f 80 00 00 00 00 48 83 ec 28 31 f6 <64> 48 8b 04 25 28 00 00 00 48 89 44 24 18 31 c0 89 f8 48 69 c0 83 [ 131.016376][ T4186] [ 131.037724][ T4191] in syz-executor1349722115[7fe0d8347000+7a000] [ 131.041832][ T4187] [ 131.049881][ T4184] [ 131.050070][ T4189] [ 131.052217][ T4184] Code: 8b 04 24 48 8b 54 24 18 64 48 2b 14 25 28 00 00 00 75 05 48 83 c4 28 c3 e8 27 18 00 00 0f 1f 80 00 00 00 00 48 83 ec 28 31 f6 <64> 48 8b 04 25 28 00 00 00 48 89 44 24 18 31 c0 89 f8 48 69 c0 83 [ 131.055056][ T4187] Code: 8b 04 24 48 8b 54 24 18 64 48 2b 14 25 28 00 00 00 75 05 48 83 c4 28 c3 e8 27 18 00 00 0f 1f 80 00 00 00 00 48 83 ec 28 31 f6 <64> 48 8b 04 25 28 00 00 00 48 89 44 24 18 31 c0 89 f8 48 69 c0 83 [ 131.074448][ T4191] Code: 8b 04 24 48 8b 54 24 18 64 48 2b 14 25 28 00 00 00 75 05 48 83 c4 28 c3 e8 27 18 00 00 0f 1f 80 00 00 00 00 48 83 ec 28 31 f6 <64> 48 8b 04 25 28 00 00 00 48 89 44 24 18 31 c0 89 f8 48 69 c0 83 [ 131.094443][ T4189] Code: 8b 04 24 48 8b 54 24 18 64 48 2b 14 25 28 00 00 00 75 05 48 83 c4 28 c3 e8 27 18 00 00 0f 1f 80 00 00 00 00 48 83 ec 28 31 f6 <64> 48 8b 04 25 28 00 00 00 48 89 44 24 18 31 c0 89 f8 48 69 c0 83 [ 131.113756][ T4183] Code: 8b 04 24 48 8b 54 24 18 64 48 2b 14 25 28 00 00 00 75 05 48 83 c4 28 c3 e8 27 18 00 00 0f 1f 80 00 00 00 00 48 83 ec 28 31 f6 <64> 48 8b 04 25 28 00 00 00 48 89 44 24 18 31 c0 89 f8 48 69 c0 83 [ 131.133709][ T4190] Code: 8b 04 24 48 8b 54 24 18 64 48 2b 14 25 28 00 00 00 75 05 48 83 c4 28 c3 e8 27 18 00 00 0f 1f 80 00 00 00 00 48 83 ec 28 31 f6 <64> 48 8b 04 25 28 00 00 00 48 89 44 24 18 31 c0 89 f8 48 69 c0 83 [ 131.153090][ T4188] [ 131.174315][ T4186] Code: 8b 04 24 48 8b 54 24 18 64 48 2b 14 25 28 00 00 00 75 05 48 83 c4 28 c3 e8 27 18 00 00 0f 1f 80 00 00 00 00 48 83 ec 28 31 f6 <64> 48 8b 04 25 28 00 00 00 48 89 44 24 18 31 c0 89 f8 48 69 c0 83 [ 131.196738][ T4188] Code: 8b 04 24 48 8b 54 24 18 64 48 2b 14 25 28 00 00 00 75 05 48 83 c4 28 c3 e8 27 18 00 00 0f 1f 80 00 00 00 00 48 83 ec 28 31 f6 <64> 48 8b 04 25 28 00 00 00 48 89 44 24 18 31 c0 89 f8 48 69 c0 83 executing program executing program executing program [ 286.284711][ T27] INFO: task syz-executor134:4286 blocked for more than 143 seconds. [ 286.293011][ T27] Not tainted 5.15.173-syzkaller #0 [ 286.298745][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.307500][ T27] task:syz-executor134 state:D stack:24800 pid: 4286 ppid: 4180 flags:0x00004002 [ 286.316885][ T27] Call Trace: [ 286.320171][ T27] [ 286.323153][ T27] __schedule+0x12c4/0x45b0 [ 286.327706][ T27] ? perf_event_release_kernel+0x5f4/0x900 [ 286.333562][ T27] ? __lock_acquire+0x1ff0/0x1ff0 [ 286.338602][ T27] ? release_firmware_map_entry+0x190/0x190 [ 286.344550][ T27] ? __mutex_unlock_slowpath+0x218/0x750 [ 286.350196][ T27] schedule+0x11b/0x1f0 [ 286.354391][ T27] perf_pending_task_sync+0x13c/0x1c0 [ 286.359778][ T27] _free_event+0x34/0xe60 [ 286.364151][ T27] perf_event_release_kernel+0x873/0x900 [ 286.369797][ T27] ? __might_sleep+0xc0/0xc0 [ 286.374434][ T27] ? calc_timer_values+0x420/0x420 [ 286.379917][ T27] ? ima_file_free+0xeb/0x3c0 [ 286.384636][ T27] perf_release+0x37/0x40 [ 286.388999][ T27] ? perf_mmap+0x13f0/0x13f0 [ 286.393629][ T27] __fput+0x3fe/0x8e0 [ 286.397645][ T27] task_work_run+0x129/0x1a0 [ 286.402237][ T27] do_exit+0x6a3/0x2480 [ 286.406449][ T27] ? put_task_struct+0x80/0x80 [ 286.411264][ T27] ? get_signal+0x8ac/0x14e0 [ 286.415898][ T27] do_group_exit+0x144/0x310 [ 286.420516][ T27] ? lockdep_hardirqs_on+0x94/0x130 [ 286.425790][ T27] get_signal+0xc66/0x14e0 [ 286.430248][ T27] arch_do_signal_or_restart+0xc3/0x1890 [ 286.436007][ T27] ? asm_exc_page_fault+0x22/0x30 [ 286.441068][ T27] ? rcu_is_watching+0x11/0xa0 [ 286.445889][ T27] ? get_sigframe_size+0x10/0x10 [ 286.450855][ T27] ? exit_to_user_mode_loop+0x39/0x130 [ 286.456381][ T27] exit_to_user_mode_loop+0x97/0x130 [ 286.461680][ T27] exit_to_user_mode_prepare+0xb1/0x140 [ 286.467278][ T27] syscall_exit_to_user_mode+0x5d/0x240 [ 286.472874][ T27] do_syscall_64+0x47/0xb0 [ 286.477368][ T27] ? clear_bhb_loop+0x15/0x70 [ 286.482037][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 286.488090][ T27] RIP: 0033:0x7fe0d8378bb9 [ 286.492525][ T27] RSP: 002b:00007ffc83dbcc18 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 286.500984][ T27] RAX: 00000000000010e0 RBX: 0000000000000000 RCX: 00007fe0d8378bb9 [ 286.509015][ T27] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000000c000 [ 286.517024][ T27] RBP: 00000000000201cb R08: 0000000000000000 R09: 0000000000000006 [ 286.525045][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc83dbcc2c [ 286.533084][ T27] R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 [ 286.541091][ T27] [ 286.544589][ T27] [ 286.544589][ T27] Showing all locks held in the system: [ 286.552315][ T27] 1 lock held by khungtaskd/27: [ 286.557301][ T27] #0: ffffffff8c91fc60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 286.566709][ T27] 2 locks held by getty/3933: [ 286.571382][ T27] #0: ffff88802c6ec098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 286.581178][ T27] #1: ffffc90002cbe2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0 [ 286.591368][ T27] [ 286.593722][ T27] ============================================= [ 286.593722][ T27] [ 286.602123][ T27] NMI backtrace for cpu 0 [ 286.606454][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.173-syzkaller #0 [ 286.614417][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 [ 286.624543][ T27] Call Trace: [ 286.627814][ T27] [ 286.630733][ T27] dump_stack_lvl+0x1e3/0x2d0 [ 286.635508][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 286.641130][ T27] ? panic+0x860/0x860 [ 286.645189][ T27] ? nmi_cpu_backtrace+0x23b/0x4a0 [ 286.650307][ T27] nmi_cpu_backtrace+0x46a/0x4a0 [ 286.655233][ T27] ? __wake_up_klogd+0xd5/0x100 [ 286.660102][ T27] ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0 [ 286.666239][ T27] ? _printk+0xd1/0x120 [ 286.670382][ T27] ? panic+0x860/0x860 [ 286.674452][ T27] ? __wake_up_klogd+0xcc/0x100 [ 286.679290][ T27] ? panic+0x860/0x860 [ 286.683376][ T27] ? wq_watchdog_touch+0xeb/0x170 [ 286.688389][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 286.694441][ T27] nmi_trigger_cpumask_backtrace+0x181/0x2a0 [ 286.700413][ T27] watchdog+0xe72/0xeb0 [ 286.704568][ T27] kthread+0x3f6/0x4f0 [ 286.708624][ T27] ? hungtask_pm_notify+0x50/0x50 [ 286.713639][ T27] ? kthread_blkcg+0xd0/0xd0 [ 286.718220][ T27] ret_from_fork+0x1f/0x30 [ 286.722634][ T27] [ 286.725758][ T27] Sending NMI from CPU 0 to CPUs 1: [ 286.731011][ C1] NMI backtrace for cpu 1 skipped: idling at acpi_idle_do_entry+0x10f/0x340 [ 286.733377][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 286.747772][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.173-syzkaller #0 [ 286.755751][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 [ 286.765806][ T27] Call Trace: [ 286.769083][ T27] [ 286.772003][ T27] dump_stack_lvl+0x1e3/0x2d0 [ 286.776677][ T27] ? io_uring_drop_tctx_refs+0x1a0/0x1a0 [ 286.782306][ T27] ? panic+0x860/0x860 [ 286.786373][ T27] panic+0x318/0x860 [ 286.790260][ T27] ? schedule_preempt_disabled+0x20/0x20 [ 286.795884][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 286.802029][ T27] ? fb_is_primary_device+0xd0/0xd0 [ 286.807224][ T27] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 286.813285][ T27] ? nmi_trigger_cpumask_backtrace+0x221/0x2a0 [ 286.819434][ T27] ? nmi_trigger_cpumask_backtrace+0x281/0x2a0 [ 286.825584][ T27] ? nmi_trigger_cpumask_backtrace+0x286/0x2a0 [ 286.831729][ T27] watchdog+0xeb0/0xeb0 [ 286.835886][ T27] kthread+0x3f6/0x4f0 [ 286.839947][ T27] ? hungtask_pm_notify+0x50/0x50 [ 286.844962][ T27] ? kthread_blkcg+0xd0/0xd0 [ 286.849540][ T27] ret_from_fork+0x1f/0x30 [ 286.853953][ T27] [ 286.857113][ T27] Kernel Offset: disabled [ 286.861441][ T27] Rebooting in 86400 seconds..