Warning: Permanently added '10.128.10.7' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 67.775475][ T3661] [ 67.777856][ T3661] ============================================ [ 67.784001][ T3661] WARNING: possible recursive locking detected [ 67.790142][ T3661] 6.1.90-syzkaller #0 Not tainted [ 67.795251][ T3661] -------------------------------------------- [ 67.801392][ T3661] syz-executor330/3661 is trying to acquire lock: [ 67.807862][ T3661] ffff888074b0e218 (&qs->lock){-.-.}-{2:2}, at: __queue_map_get+0x146/0x4b0 [ 67.816603][ T3661] [ 67.816603][ T3661] but task is already holding lock: [ 67.824070][ T3661] ffff888074a48218 (&qs->lock){-.-.}-{2:2}, at: __queue_map_get+0x146/0x4b0 [ 67.832820][ T3661] [ 67.832820][ T3661] other info that might help us debug this: [ 67.840922][ T3661] Possible unsafe locking scenario: [ 67.840922][ T3661] [ 67.848388][ T3661] CPU0 [ 67.851669][ T3661] ---- [ 67.854968][ T3661] lock(&qs->lock); [ 67.858876][ T3661] lock(&qs->lock); [ 67.862796][ T3661] [ 67.862796][ T3661] *** DEADLOCK *** [ 67.862796][ T3661] [ 67.871033][ T3661] May be due to missing lock nesting notation [ 67.871033][ T3661] [ 67.879346][ T3661] 5 locks held by syz-executor330/3661: [ 67.884894][ T3661] #0: ffff88807e002460 (sb_writers#3){.+.+}-{0:0}, at: vfs_write+0x269/0xba0 [ 67.893802][ T3661] #1: ffffffff8d1ccd68 (oom_adj_mutex){+.+.}-{3:3}, at: __set_oom_adj+0x85/0xcc0 [ 67.903041][ T3661] #2: ffffffff8d12ac80 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0x110/0x410 [ 67.912455][ T3661] #3: ffff888074a48218 (&qs->lock){-.-.}-{2:2}, at: __queue_map_get+0x146/0x4b0 [ 67.921614][ T3661] #4: ffffffff8d12ac80 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0x110/0x410 [ 67.931027][ T3661] [ 67.931027][ T3661] stack backtrace: [ 67.936911][ T3661] CPU: 1 PID: 3661 Comm: syz-executor330 Not tainted 6.1.90-syzkaller #0 [ 67.945320][ T3661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 67.955370][ T3661] Call Trace: [ 67.958658][ T3661] [ 67.961587][ T3661] dump_stack_lvl+0x1e3/0x2cb [ 67.966370][ T3661] ? nf_tcp_handle_invalid+0x642/0x642 [ 67.971828][ T3661] ? panic+0x764/0x764 [ 67.975898][ T3661] validate_chain+0x4711/0x5950 [ 67.980753][ T3661] ? mark_lock+0x9a/0x340 [ 67.985174][ T3661] ? __lock_acquire+0x125b/0x1f80 [ 67.990289][ T3661] ? reacquire_held_locks+0x660/0x660 [ 67.995849][ T3661] ? __lock_acquire+0x125b/0x1f80 [ 68.001329][ T3661] ? reacquire_held_locks+0x660/0x660 [ 68.006721][ T3661] ? mark_lock+0x9a/0x340 [ 68.011159][ T3661] __lock_acquire+0x125b/0x1f80 [ 68.016121][ T3661] lock_acquire+0x1f8/0x5a0 [ 68.020643][ T3661] ? __queue_map_get+0x146/0x4b0 [ 68.025586][ T3661] ? reacquire_held_locks+0x660/0x660 [ 68.031152][ T3661] ? read_lock_is_recursive+0x10/0x10 [ 68.036720][ T3661] ? mark_lock+0x9a/0x340 [ 68.041420][ T3661] ? __lock_acquire+0x125b/0x1f80 [ 68.046727][ T3661] _raw_spin_lock_irqsave+0xd1/0x120 [ 68.052034][ T3661] ? __queue_map_get+0x146/0x4b0 [ 68.056979][ T3661] ? _raw_spin_lock+0x40/0x40 [ 68.061673][ T3661] __queue_map_get+0x146/0x4b0 [ 68.066455][ T3661] ? read_lock_is_recursive+0x10/0x10 [ 68.071861][ T3661] ? stack_map_peek_elem+0x20/0x20 [ 68.077074][ T3661] ? __cant_sleep+0x270/0x270 [ 68.081763][ T3661] bpf_prog_583c8da43158804c+0x42/0x46 [ 68.087492][ T3661] bpf_trace_run2+0x1fd/0x410 [ 68.092196][ T3661] ? bpf_trace_run2+0x110/0x410 [ 68.097126][ T3661] ? bpf_trace_run1+0x3d0/0x3d0 [ 68.102009][ T3661] ? reacquire_held_locks+0x660/0x660 [ 68.107508][ T3661] ? __bpf_trace_contention_begin+0x10/0x10 [ 68.113426][ T3661] __traceiter_contention_end+0x74/0xa0 [ 68.119077][ T3661] trace_contention_end+0x14c/0x190 [ 68.124291][ T3661] __pv_queued_spin_lock_slowpath+0x935/0xc50 [ 68.130560][ T3661] ? __pv_queued_spin_unlock_slowpath+0x2e0/0x2e0 [ 68.137096][ T3661] queued_spin_lock_slowpath+0x42/0x50 [ 68.142751][ T3661] do_raw_spin_lock+0x269/0x370 [ 68.147701][ T3661] ? mark_lock+0x9a/0x340 [ 68.152044][ T3661] ? __rwlock_init+0x140/0x140 [ 68.157858][ T3661] ? __lock_acquire+0x125b/0x1f80 [ 68.163096][ T3661] ? _raw_spin_lock_irqsave+0xac/0x120 [ 68.168737][ T3661] _raw_spin_lock_irqsave+0xdd/0x120 [ 68.174028][ T3661] ? _raw_spin_lock+0x40/0x40 [ 68.178796][ T3661] __queue_map_get+0x146/0x4b0 [ 68.183561][ T3661] ? read_lock_is_recursive+0x10/0x10 [ 68.189133][ T3661] ? bpf_trace_run2+0x110/0x410 [ 68.194004][ T3661] ? stack_map_peek_elem+0x20/0x20 [ 68.199569][ T3661] ? __cant_sleep+0x270/0x270 [ 68.204276][ T3661] bpf_prog_583c8da43158804c+0x42/0x46 [ 68.209758][ T3661] bpf_trace_run2+0x1fd/0x410 [ 68.214442][ T3661] ? bpf_trace_run2+0x110/0x410 [ 68.219497][ T3661] ? bpf_trace_run1+0x3d0/0x3d0 [ 68.224356][ T3661] ? __mutex_trylock_common+0x17e/0x2e0 [ 68.229905][ T3661] ? __might_sleep+0xb0/0xb0 [ 68.234507][ T3661] ? __bpf_trace_contention_begin+0x10/0x10 [ 68.240414][ T3661] __traceiter_contention_end+0x74/0xa0 [ 68.246058][ T3661] trace_contention_end+0x12f/0x170 [ 68.251266][ T3661] __mutex_lock+0x2ed/0xd80 [ 68.255861][ T3661] ? get_pid_task+0x1f/0x1e0 [ 68.260551][ T3661] ? kstrtoull+0x2e0/0x2e0 [ 68.264971][ T3661] ? __set_oom_adj+0x85/0xcc0 [ 68.269740][ T3661] ? __lock_acquire+0x1f80/0x1f80 [ 68.274774][ T3661] ? mutex_lock_nested+0x10/0x10 [ 68.279741][ T3661] ? get_pid_task+0x1f/0x1e0 [ 68.284424][ T3661] __set_oom_adj+0x85/0xcc0 [ 68.288933][ T3661] ? __might_fault+0xbd/0x110 [ 68.293709][ T3661] ? strim+0x14a/0x180 [ 68.297791][ T3661] oom_score_adj_write+0x1a6/0x250 [ 68.302905][ T3661] ? oom_score_adj_read+0x230/0x230 [ 68.308102][ T3661] ? end_current_label_crit_section+0x147/0x170 [ 68.314351][ T3661] ? oom_score_adj_read+0x230/0x230 [ 68.319547][ T3661] vfs_write+0x2d9/0xba0 [ 68.323821][ T3661] ? do_sys_openat2+0x42b/0x500 [ 68.328852][ T3661] ? file_end_write+0x250/0x250 [ 68.334047][ T3661] ? rcu_is_watching+0x11/0xb0 [ 68.338903][ T3661] ? xfd_validate_state+0x6a/0x140 [ 68.344016][ T3661] ? __fdget_pos+0x2c1/0x360 [ 68.348602][ T3661] ksys_write+0x19c/0x2c0 [ 68.352950][ T3661] ? print_irqtrace_events+0x210/0x210 [ 68.358460][ T3661] ? __ia32_sys_read+0x80/0x80 [ 68.363230][ T3661] ? syscall_enter_from_user_mode+0x2e/0x230 [ 68.369215][ T3661] ? lockdep_hardirqs_on+0x94/0x130 [ 68.374503][ T3661] ? syscall_enter_from_user_mode+0x2e/0x230 [ 68.380488][ T3661] do_syscall_64+0x3b/0xb0 [ 68.384996][ T3661] ? clear_bhb_loop+0x45/0xa0 [ 68.389687][ T3661] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 68.395681][ T3661] RIP: 0033:0x7fd6b108c1a0 [ 68.400088][ T3661] Code: 40 00 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d e1 8e 07 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89 [ 68.419685][ T3661] RSP: 002b:00007ffe8e309788 EFLAGS: 00000202 ORIG_RAX: 0000000000000001 executing program executing program executing program [ 68.428100][ T3661] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd6b108c1a0 [ 68.436079][ T3661] RDX: 0000000000000004 RSI: 00007ffe8e3097b0 RDI: 0000000000000003 [ 68.444058][ T3661] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 [ 68.452632][ T3661] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe8e3097b0 [ 68.460688][ T3661] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 68.468853][ T3661] executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program