Warning: Permanently added '10.128.1.180' (ED25519) to the list of known hosts. executing program [ 70.689606][ T28] audit: type=1400 audit(1712999187.820:87): avc: denied { execmem } for pid=5054 comm="syz-executor376" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 70.710437][ T28] audit: type=1400 audit(1712999187.820:88): avc: denied { map_create } for pid=5055 comm="syz-executor376" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 70.730057][ T28] audit: type=1400 audit(1712999187.820:89): avc: denied { map_read map_write } for pid=5055 comm="syz-executor376" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 70.750344][ T28] audit: type=1400 audit(1712999187.820:90): avc: denied { prog_load } for pid=5055 comm="syz-executor376" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 executing program executing program [ 70.770396][ T28] audit: type=1400 audit(1712999187.820:91): avc: denied { bpf } for pid=5055 comm="syz-executor376" capability=39 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 70.791581][ T28] audit: type=1400 audit(1712999187.820:92): avc: denied { perfmon } for pid=5055 comm="syz-executor376" capability=38 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 70.813205][ T28] audit: type=1400 audit(1712999187.850:93): avc: denied { prog_run } for pid=5055 comm="syz-executor376" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 87.261595][ T18] [ 87.263958][ T18] ===================================================== [ 87.270877][ T18] WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected [ 87.278317][ T18] 6.8.0-syzkaller-08951-gfe46a7dd189e #0 Not tainted [ 87.284976][ T18] ----------------------------------------------------- [ 87.291892][ T18] rcu_exp_gp_kthr/18 [HC0[0]:SC0[2]:HE0:SE0] is trying to acquire: [ 87.299781][ T18] ffff88802f1b4820 (&htab->buckets[i].lock){+...}-{2:2}, at: sock_hash_delete_elem+0xcb/0x260 [ 87.310066][ T18] [ 87.310066][ T18] and this task is already holding: [ 87.317415][ T18] ffffffff8d7bc598 (&rcu_state.expedited_wq){-.-.}-{2:2}, at: finish_swait+0xc5/0x280 [ 87.327003][ T18] which would create a new lock dependency: [ 87.332901][ T18] (&rcu_state.expedited_wq){-.-.}-{2:2} -> (&htab->buckets[i].lock){+...}-{2:2} [ 87.342045][ T18] [ 87.342045][ T18] but this new dependency connects a HARDIRQ-irq-safe lock: [ 87.351496][ T18] (&rcu_state.expedited_wq){-.-.}-{2:2} [ 87.351524][ T18] [ 87.351524][ T18] ... which became HARDIRQ-irq-safe at: [ 87.364837][ T18] lock_acquire+0x1b1/0x540 [ 87.369435][ T18] _raw_spin_lock_irqsave+0x3a/0x60 [ 87.374736][ T18] swake_up_one+0x1a/0x1b0 [ 87.379258][ T18] __flush_smp_call_function_queue+0x41f/0x8c0 [ 87.385506][ T18] __sysvec_call_function_single+0x8c/0x3a0 [ 87.391489][ T18] sysvec_call_function_single+0x90/0xb0 [ 87.397210][ T18] asm_sysvec_call_function_single+0x1a/0x20 [ 87.403370][ T18] trace_event_eval_update+0x1de/0xfe0 [ 87.408914][ T18] eval_map_work_func+0x3d/0x50 [ 87.413847][ T18] process_one_work+0x9a9/0x1a60 [ 87.418868][ T18] worker_thread+0x6c8/0xf70 [ 87.423540][ T18] kthread+0x2c1/0x3a0 [ 87.427695][ T18] ret_from_fork+0x45/0x80 [ 87.432212][ T18] ret_from_fork_asm+0x1a/0x30 [ 87.437064][ T18] [ 87.437064][ T18] to a HARDIRQ-irq-unsafe lock: [ 87.444068][ T18] (&htab->buckets[i].lock){+...}-{2:2} [ 87.444093][ T18] [ 87.444093][ T18] ... which became HARDIRQ-irq-unsafe at: [ 87.457507][ T18] ... [ 87.457513][ T18] lock_acquire+0x1b1/0x540 [ 87.464676][ T18] _raw_spin_lock_bh+0x33/0x40 [ 87.469523][ T18] sock_hash_delete_elem+0xcb/0x260 [ 87.474808][ T18] ___bpf_prog_run+0x3e51/0xae80 [ 87.479835][ T18] __bpf_prog_run32+0xc1/0x100 [ 87.484679][ T18] bpf_trace_run2+0x151/0x420 [ 87.489437][ T18] __bpf_trace_contention_end+0xca/0x110 [ 87.495163][ T18] trace_contention_end+0xce/0x120 [ 87.500369][ T18] __mutex_lock+0x19c/0x9c0 [ 87.504960][ T18] futex_exit_release+0x2a/0x220 [ 87.509982][ T18] exit_mm_release+0x19/0x30 [ 87.514663][ T18] do_exit+0x865/0x2be0 [ 87.518916][ T18] do_group_exit+0xd3/0x2a0 [ 87.523506][ T18] __x64_sys_exit_group+0x3e/0x50 [ 87.528620][ T18] do_syscall_64+0xd2/0x260 [ 87.533213][ T18] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 87.539196][ T18] [ 87.539196][ T18] other info that might help us debug this: [ 87.539196][ T18] [ 87.549412][ T18] Possible interrupt unsafe locking scenario: [ 87.549412][ T18] [ 87.557718][ T18] CPU0 CPU1 [ 87.563069][ T18] ---- ---- [ 87.568423][ T18] lock(&htab->buckets[i].lock); [ 87.573441][ T18] local_irq_disable(); [ 87.580182][ T18] lock(&rcu_state.expedited_wq); [ 87.587804][ T18] lock(&htab->buckets[i].lock); [ 87.595340][ T18] [ 87.598779][ T18] lock(&rcu_state.expedited_wq); [ 87.604059][ T18] [ 87.604059][ T18] *** DEADLOCK *** [ 87.604059][ T18] [ 87.612193][ T18] 2 locks held by rcu_exp_gp_kthr/18: [ 87.617552][ T18] #0: ffffffff8d7bc598 (&rcu_state.expedited_wq){-.-.}-{2:2}, at: finish_swait+0xc5/0x280 [ 87.627564][ T18] #1: ffffffff8d7b08e0 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run2+0xe4/0x420 [ 87.636875][ T18] [ 87.636875][ T18] the dependencies between HARDIRQ-irq-safe lock and the holding lock: [ 87.647266][ T18] -> (&rcu_state.expedited_wq){-.-.}-{2:2} { [ 87.653259][ T18] IN-HARDIRQ-W at: [ 87.657226][ T18] lock_acquire+0x1b1/0x540 [ 87.663387][ T18] _raw_spin_lock_irqsave+0x3a/0x60 [ 87.670234][ T18] swake_up_one+0x1a/0x1b0 [ 87.676303][ T18] __flush_smp_call_function_queue+0x41f/0x8c0 [ 87.684117][ T18] __sysvec_call_function_single+0x8c/0x3a0 [ 87.691662][ T18] sysvec_call_function_single+0x90/0xb0 [ 87.699388][ T18] asm_sysvec_call_function_single+0x1a/0x20 [ 87.707030][ T18] trace_event_eval_update+0x1de/0xfe0 [ 87.714226][ T18] eval_map_work_func+0x3d/0x50 [ 87.720722][ T18] process_one_work+0x9a9/0x1a60 [ 87.727304][ T18] worker_thread+0x6c8/0xf70 [ 87.733541][ T18] kthread+0x2c1/0x3a0 [ 87.739263][ T18] ret_from_fork+0x45/0x80 [ 87.745346][ T18] ret_from_fork_asm+0x1a/0x30 [ 87.751764][ T18] IN-SOFTIRQ-W at: [ 87.755736][ T18] lock_acquire+0x1b1/0x540 [ 87.761896][ T18] _raw_spin_lock_irqsave+0x3a/0x60 [ 87.768740][ T18] swake_up_one+0x1a/0x1b0 [ 87.774804][ T18] rcu_preempt_deferred_qs_irqrestore+0x592/0xb80 [ 87.782865][ T18] rcu_softirq_qs+0x1b/0x1c0 [ 87.789108][ T18] __do_softirq+0x71a/0x8de [ 87.795259][ T18] run_ksoftirqd+0x35/0x60 [ 87.801322][ T18] smpboot_thread_fn+0x661/0xa10 [ 87.807906][ T18] kthread+0x2c1/0x3a0 [ 87.813630][ T18] ret_from_fork+0x45/0x80 [ 87.819702][ T18] ret_from_fork_asm+0x1a/0x30 [ 87.826121][ T18] INITIAL USE at: [ 87.830012][ T18] lock_acquire+0x1b1/0x540 [ 87.836080][ T18] _raw_spin_lock_irqsave+0x3a/0x60 [ 87.842837][ T18] prepare_to_swait_event+0x1f/0x470 [ 87.849689][ T18] rcu_exp_wait_wake+0x2a2/0x15e0 [ 87.856278][ T18] kthread_worker_fn+0x305/0xab0 [ 87.862843][ T18] kthread+0x2c1/0x3a0 [ 87.868477][ T18] ret_from_fork+0x45/0x80 [ 87.874465][ T18] ret_from_fork_asm+0x1a/0x30 [ 87.880799][ T18] } [ 87.883290][ T18] ... key at: [] __key.3+0x0/0x40 [ 87.890493][ T18] [ 87.890493][ T18] the dependencies between the lock to be acquired [ 87.890502][ T18] and HARDIRQ-irq-unsafe lock: [ 87.904017][ T18] -> (&htab->buckets[i].lock){+...}-{2:2} { [ 87.909928][ T18] HARDIRQ-ON-W at: [ 87.913902][ T18] lock_acquire+0x1b1/0x540 [ 87.920059][ T18] _raw_spin_lock_bh+0x33/0x40 [ 87.926469][ T18] sock_hash_delete_elem+0xcb/0x260 [ 87.933319][ T18] ___bpf_prog_run+0x3e51/0xae80 [ 87.939913][ T18] __bpf_prog_run32+0xc1/0x100 [ 87.946324][ T18] bpf_trace_run2+0x151/0x420 [ 87.952645][ T18] __bpf_trace_contention_end+0xca/0x110 [ 87.959936][ T18] trace_contention_end+0xce/0x120 [ 87.966705][ T18] __mutex_lock+0x19c/0x9c0 [ 87.972865][ T18] futex_exit_release+0x2a/0x220 [ 87.979454][ T18] exit_mm_release+0x19/0x30 [ 87.985697][ T18] do_exit+0x865/0x2be0 [ 87.991505][ T18] do_group_exit+0xd3/0x2a0 [ 87.997675][ T18] __x64_sys_exit_group+0x3e/0x50 [ 88.004354][ T18] do_syscall_64+0xd2/0x260 [ 88.010509][ T18] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 88.018055][ T18] INITIAL USE at: [ 88.021939][ T18] lock_acquire+0x1b1/0x540 [ 88.028012][ T18] _raw_spin_lock_bh+0x33/0x40 [ 88.034338][ T18] sock_hash_delete_elem+0xcb/0x260 [ 88.041098][ T18] ___bpf_prog_run+0x3e51/0xae80 [ 88.047603][ T18] __bpf_prog_run32+0xc1/0x100 [ 88.053925][ T18] bpf_trace_run2+0x151/0x420 [ 88.060164][ T18] __bpf_trace_contention_end+0xca/0x110 [ 88.067375][ T18] trace_contention_end+0xce/0x120 [ 88.074052][ T18] __mutex_lock+0x19c/0x9c0 [ 88.080121][ T18] futex_exit_release+0x2a/0x220 [ 88.086621][ T18] exit_mm_release+0x19/0x30 [ 88.092771][ T18] do_exit+0x865/0x2be0 [ 88.098493][ T18] do_group_exit+0xd3/0x2a0 [ 88.104560][ T18] __x64_sys_exit_group+0x3e/0x50 [ 88.111150][ T18] do_syscall_64+0xd2/0x260 [ 88.117220][ T18] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 88.124689][ T18] } [ 88.127192][ T18] ... key at: [] __key.0+0x0/0x40 [ 88.134374][ T18] ... acquired at: [ 88.138182][ T18] lock_acquire+0x1b1/0x540 [ 88.142871][ T18] _raw_spin_lock_bh+0x33/0x40 [ 88.147814][ T18] sock_hash_delete_elem+0xcb/0x260 [ 88.153202][ T18] ___bpf_prog_run+0x3e51/0xae80 [ 88.158333][ T18] __bpf_prog_run32+0xc1/0x100 [ 88.163274][ T18] bpf_trace_run2+0x151/0x420 [ 88.168128][ T18] __bpf_trace_contention_end+0xca/0x110 [ 88.173958][ T18] trace_contention_end.constprop.0+0xe2/0x140 [ 88.180296][ T18] __pv_queued_spin_lock_slowpath+0x266/0xc80 [ 88.186547][ T18] do_raw_spin_lock+0x210/0x2c0 [ 88.191582][ T18] _raw_spin_lock_irqsave+0x42/0x60 [ 88.196959][ T18] finish_swait+0xc5/0x280 [ 88.201556][ T18] rcu_exp_wait_wake+0x2db/0x15e0 [ 88.206759][ T18] kthread_worker_fn+0x305/0xab0 [ 88.211875][ T18] kthread+0x2c1/0x3a0 [ 88.216122][ T18] ret_from_fork+0x45/0x80 [ 88.220713][ T18] ret_from_fork_asm+0x1a/0x30 [ 88.225652][ T18] [ 88.227963][ T18] [ 88.227963][ T18] stack backtrace: [ 88.233843][ T18] CPU: 1 PID: 18 Comm: rcu_exp_gp_kthr Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 88.243728][ T18] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 88.253775][ T18] Call Trace: [ 88.257054][ T18] [ 88.259977][ T18] dump_stack_lvl+0x116/0x1f0 [ 88.264656][ T18] check_irq_usage+0xe3c/0x1490 [ 88.269513][ T18] ? __pfx_check_irq_usage+0x10/0x10 [ 88.274800][ T18] ? hlock_conflict+0x58/0x200 [ 88.279571][ T18] ? __bfs+0x2fa/0x670 [ 88.283644][ T18] ? __pfx_hlock_conflict+0x10/0x10 [ 88.289103][ T18] ? hlock_class+0x4e/0x130 [ 88.293607][ T18] ? lockdep_lock+0xc6/0x200 [ 88.298193][ T18] ? __pfx_lockdep_lock+0x10/0x10 [ 88.303216][ T18] ? __lock_acquire+0x14f4/0x3b30 [ 88.308268][ T18] ? __lock_acquire+0x248e/0x3b30 [ 88.313297][ T18] __lock_acquire+0x248e/0x3b30 [ 88.318156][ T18] ? __pfx___lock_acquire+0x10/0x10 [ 88.323357][ T18] ? __pfx_mark_lock+0x10/0x10 [ 88.328126][ T18] lock_acquire+0x1b1/0x540 [ 88.332642][ T18] ? sock_hash_delete_elem+0xcb/0x260 [ 88.338016][ T18] ? __pfx_lock_acquire+0x10/0x10 [ 88.343050][ T18] ? __pfx_mark_lock+0x10/0x10 [ 88.347820][ T18] ? hlock_class+0x4e/0x130 [ 88.352324][ T18] ? __lock_acquire+0xc5d/0x3b30 [ 88.357271][ T18] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 88.363171][ T18] _raw_spin_lock_bh+0x33/0x40 [ 88.367940][ T18] ? sock_hash_delete_elem+0xcb/0x260 [ 88.373318][ T18] sock_hash_delete_elem+0xcb/0x260 [ 88.378519][ T18] ? __pfx_bpf_map_delete_elem+0x10/0x10 [ 88.384153][ T18] ___bpf_prog_run+0x3e51/0xae80 [ 88.389101][ T18] __bpf_prog_run32+0xc1/0x100 [ 88.393865][ T18] ? __pfx___bpf_prog_run32+0x10/0x10 [ 88.399235][ T18] ? __pfx_lock_acquire+0x10/0x10 [ 88.404439][ T18] ? __pfx___cant_migrate+0x10/0x10 [ 88.409638][ T18] bpf_trace_run2+0x151/0x420 [ 88.414319][ T18] ? __pfx_bpf_trace_run2+0x10/0x10 [ 88.419513][ T18] ? mark_held_locks+0x9f/0xe0 [ 88.424287][ T18] __bpf_trace_contention_end+0xca/0x110 [ 88.430017][ T18] ? __pfx___bpf_trace_contention_end+0x10/0x10 [ 88.436262][ T18] ? __lock_acquire+0x14f4/0x3b30 [ 88.441294][ T18] trace_contention_end.constprop.0+0xe2/0x140 [ 88.447619][ T18] __pv_queued_spin_lock_slowpath+0x266/0xc80 [ 88.453688][ T18] ? __pfx___pv_queued_spin_lock_slowpath+0x10/0x10 [ 88.460280][ T18] ? lock_acquire+0x1b1/0x540 [ 88.464965][ T18] do_raw_spin_lock+0x210/0x2c0 [ 88.469814][ T18] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 88.475193][ T18] _raw_spin_lock_irqsave+0x42/0x60 [ 88.480400][ T18] ? finish_swait+0xc5/0x280 [ 88.484994][ T18] finish_swait+0xc5/0x280 [ 88.489431][ T18] ? _raw_spin_unlock_irqrestore+0x3b/0x80 [ 88.495237][ T18] rcu_exp_wait_wake+0x2db/0x15e0 [ 88.500266][ T18] ? __pfx_rcu_exp_wait_wake+0x10/0x10 [ 88.505723][ T18] ? lockdep_hardirqs_on+0x7c/0x110 [ 88.510924][ T18] ? sync_rcu_exp_select_cpus+0x347/0x9e0 [ 88.516642][ T18] kthread_worker_fn+0x305/0xab0 [ 88.521582][ T18] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 88.526866][ T18] ? __pfx_kthread_worker_fn+0x10/0x10 [ 88.532327][ T18] kthread+0x2c1/0x3a0 [ 88.536398][ T18] ? _raw_spin_unlock_irq+0x23/0x50 [ 88.541596][ T18] ? __pfx_kthread+0x10/0x10 [ 88.546189][ T18] ret_from_fork+0x45/0x80 [ 88.550629][ T18] ? __pfx_kthread+0x10/0x10 [ 88.555222][ T18] ret_from_fork_asm+0x1a/0x30 [ 88.560016][ T18] executing program [ 88.563293][ T18] ------------[ cut here ]------------ [ 88.568764][ T18] raw_local_irq_restore() called with IRQs enabled [ 88.575390][ T18] WARNING: CPU: 1 PID: 18 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x29/0x30 [ 88.585861][ T18] Modules linked in: [ 88.589782][ T18] CPU: 1 PID: 18 Comm: rcu_exp_gp_kthr Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 88.599713][ T18] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 88.609803][ T18] RIP: 0010:warn_bogus_irq_restore+0x29/0x30 [ 88.615824][ T18] Code: 90 f3 0f 1e fa 90 80 3d 72 d0 b5 04 00 74 06 90 c3 cc cc cc cc c6 05 63 d0 b5 04 01 90 48 c7 c7 c0 b1 0c 8b e8 78 6b 7d f6 90 <0f> 0b 90 90 eb df 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 88.635510][ T18] RSP: 0018:ffffc90000177d38 EFLAGS: 00010286 [ 88.641619][ T18] RAX: 0000000000000000 RBX: ffffffff8d7bc580 RCX: ffffffff814fafe9 [ 88.649610][ T18] RDX: ffff888016ef9e00 RSI: ffffffff814faff6 RDI: 0000000000000001 [ 88.657619][ T18] RBP: 0000000000000283 R08: 0000000000000001 R09: 0000000000000000 [ 88.665624][ T18] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000a42 [ 88.673611][ T18] R13: ffffffff8f9e7034 R14: 0000000000000000 R15: dffffc0000000000 [ 88.681603][ T18] FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 88.690558][ T18] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 88.697149][ T18] CR2: 000055558bbfdca8 CR3: 000000000d57a000 CR4: 00000000003506f0 [ 88.705161][ T18] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 88.713248][ T18] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 88.721245][ T18] Call Trace: [ 88.724565][ T18] [ 88.727539][ T18] ? show_regs+0x8c/0xa0 [ 88.731821][ T18] ? __warn+0xe5/0x390 [ 88.735896][ T18] ? warn_bogus_irq_restore+0x29/0x30 [ 88.741506][ T18] ? report_bug+0x3c0/0x580 [ 88.746039][ T18] ? handle_bug+0x3d/0x70 [ 88.750414][ T18] ? exc_invalid_op+0x17/0x50 [ 88.755097][ T18] ? asm_exc_invalid_op+0x1a/0x20 [ 88.760146][ T18] ? __warn_printk+0x199/0x350 [ 88.764930][ T18] ? __warn_printk+0x1a6/0x350 [ 88.769688][ T18] ? warn_bogus_irq_restore+0x29/0x30 [ 88.775105][ T18] ? warn_bogus_irq_restore+0x28/0x30 [ 88.780510][ T18] _raw_spin_unlock_irqrestore+0x74/0x80 [ 88.786154][ T18] rcu_exp_wait_wake+0x2db/0x15e0 [ 88.791206][ T18] ? __pfx_rcu_exp_wait_wake+0x10/0x10 [ 88.796677][ T18] ? lockdep_hardirqs_on+0x7c/0x110 [ 88.801902][ T18] ? sync_rcu_exp_select_cpus+0x347/0x9e0 [ 88.807633][ T18] kthread_worker_fn+0x305/0xab0 [ 88.812597][ T18] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 88.817898][ T18] ? __pfx_kthread_worker_fn+0x10/0x10 [ 88.823385][ T18] kthread+0x2c1/0x3a0 [ 88.827478][ T18] ? _raw_spin_unlock_irq+0x23/0x50 [ 88.832703][ T18] ? __pfx_kthread+0x10/0x10 [ 88.837318][ T18] ret_from_fork+0x45/0x80 [ 88.841770][ T18] ? __pfx_kthread+0x10/0x10 [ 88.846374][ T18] ret_from_fork_asm+0x1a/0x30 [ 88.851172][ T18] [ 88.854204][ T18] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 88.861472][ T18] CPU: 1 PID: 18 Comm: rcu_exp_gp_kthr Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 88.871357][ T18] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 88.881491][ T18] Call Trace: [ 88.884768][ T18] [ 88.887783][ T18] dump_stack_lvl+0x3d/0x1f0 [ 88.892378][ T18] panic+0x6f5/0x7a0 [ 88.896288][ T18] ? __pfx_panic+0x10/0x10 [ 88.900709][ T18] ? show_trace_log_lvl+0x363/0x500 [ 88.905916][ T18] ? check_panic_on_warn+0x1f/0xb0 [ 88.911034][ T18] ? warn_bogus_irq_restore+0x29/0x30 [ 88.916411][ T18] check_panic_on_warn+0xab/0xb0 [ 88.921355][ T18] __warn+0xf1/0x390 [ 88.925245][ T18] ? warn_bogus_irq_restore+0x29/0x30 [ 88.930627][ T18] report_bug+0x3c0/0x580 [ 88.935042][ T18] handle_bug+0x3d/0x70 [ 88.939192][ T18] exc_invalid_op+0x17/0x50 [ 88.943693][ T18] asm_exc_invalid_op+0x1a/0x20 [ 88.948555][ T18] RIP: 0010:warn_bogus_irq_restore+0x29/0x30 [ 88.954548][ T18] Code: 90 f3 0f 1e fa 90 80 3d 72 d0 b5 04 00 74 06 90 c3 cc cc cc cc c6 05 63 d0 b5 04 01 90 48 c7 c7 c0 b1 0c 8b e8 78 6b 7d f6 90 <0f> 0b 90 90 eb df 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 88.974153][ T18] RSP: 0018:ffffc90000177d38 EFLAGS: 00010286 [ 88.980216][ T18] RAX: 0000000000000000 RBX: ffffffff8d7bc580 RCX: ffffffff814fafe9 [ 88.988185][ T18] RDX: ffff888016ef9e00 RSI: ffffffff814faff6 RDI: 0000000000000001 [ 88.996150][ T18] RBP: 0000000000000283 R08: 0000000000000001 R09: 0000000000000000 [ 89.004116][ T18] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000a42 [ 89.012079][ T18] R13: ffffffff8f9e7034 R14: 0000000000000000 R15: dffffc0000000000 [ 89.020048][ T18] ? __warn_printk+0x199/0x350 [ 89.024830][ T18] ? __warn_printk+0x1a6/0x350 [ 89.029612][ T18] ? warn_bogus_irq_restore+0x28/0x30 [ 89.034989][ T18] _raw_spin_unlock_irqrestore+0x74/0x80 [ 89.040625][ T18] rcu_exp_wait_wake+0x2db/0x15e0 [ 89.045653][ T18] ? __pfx_rcu_exp_wait_wake+0x10/0x10 [ 89.051110][ T18] ? lockdep_hardirqs_on+0x7c/0x110 [ 89.056314][ T18] ? sync_rcu_exp_select_cpus+0x347/0x9e0 [ 89.062033][ T18] kthread_worker_fn+0x305/0xab0 [ 89.066973][ T18] ? __pfx_wait_rcu_exp_gp+0x10/0x10 [ 89.072263][ T18] ? __pfx_kthread_worker_fn+0x10/0x10 [ 89.077723][ T18] kthread+0x2c1/0x3a0 [ 89.081799][ T18] ? _raw_spin_unlock_irq+0x23/0x50 [ 89.086996][ T18] ? __pfx_kthread+0x10/0x10 [ 89.091589][ T18] ret_from_fork+0x45/0x80 [ 89.096020][ T18] ? __pfx_kthread+0x10/0x10 [ 89.100614][ T18] ret_from_fork_asm+0x1a/0x30 [ 89.105389][ T18] [ 89.108572][ T18] Kernel Offset: disabled [ 89.112906][ T18] Rebooting in 86400 seconds..