Warning: Permanently added '10.128.0.74' (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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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: [ 69.637546][ T1960] cfg80211: failed to load regulatory.db executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 92.195980][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [aoe_tx0:2056] executing program [ 92.198166][ C1] Modules linked in: [ 92.199050][ C1] irq event stamp: 20870137 [ 92.200015][ C1] hardirqs last enabled at (20870136): [] _raw_spin_unlock_irqrestore+0xac/0x158 [ 92.202187][ C1] hardirqs last disabled at (20870137): [] enter_el1_irq_or_nmi+0x10/0x1c [ 92.204169][ C1] softirqs last enabled at (956): [] local_bh_enable+0x10/0x34 [ 92.205993][ C1] softirqs last disabled at (960): [] local_bh_disable+0x10/0x34 [ 92.207879][ C1] CPU: 1 PID: 2056 Comm: aoe_tx0 Not tainted 5.15.173-syzkaller #0 [ 92.209463][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 92.211335][ C1] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 92.212823][ C1] pc : _raw_spin_unlock_irqrestore+0xbc/0x158 [ 92.213988][ C1] lr : _raw_spin_unlock_irqrestore+0xac/0x158 [ 92.215190][ C1] sp : ffff800024f67800 [ 92.215990][ C1] x29: ffff800024f67810 x28: ffff0000c7e3c600 x27: ffff0000cadf0be8 [ 92.217509][ C1] x26: 0000000000000001 x25: ffff0000cadf0f70 x24: ffff0000cd9fb8b0 [ 92.219122][ C1] x23: 0000000000000020 x22: ffff80000b4723f0 x21: ffff80001ba5fe80 [ 92.220846][ C1] x20: ffff80001ba5fe68 x19: 0000000000000000 x18: ffff800024f67540 [ 92.222531][ C1] x17: 0000000000000000 x16: ffff8000082ec8b8 x15: 000000000000bf36 [ 92.224185][ C1] x14: 1ffff0000295806a x13: dfff800000000000 x12: 0000000000000003 [ 92.225721][ C1] x11: 0000000000000202 x10: 0000000000000003 x9 : 0000000000000080 [ 92.227451][ C1] x8 : 00000000000000c0 x7 : 0000000000000000 x6 : 0000000000000000 [ 92.229160][ C1] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80000804605c [ 92.230903][ C1] x2 : 0000000000000002 x1 : ffff800011c0ad00 x0 : ffff80019f79b000 [ 92.232746][ C1] Call trace: [ 92.233501][ C1] _raw_spin_unlock_irqrestore+0xbc/0x158 [ 92.234730][ C1] uart_write+0x36c/0x8b8 [ 92.235718][ C1] handle_tx+0x1f8/0x644 [ 92.236586][ C1] caif_xmit+0x10c/0x160 [ 92.237421][ C1] dev_hard_start_xmit+0x2bc/0x92c [ 92.238418][ C1] __dev_queue_xmit+0x1378/0x2ac8 [ 92.239440][ C1] dev_queue_xmit+0x24/0x34 [ 92.240276][ C1] tx+0x94/0x1cc [ 92.241023][ C1] kthread+0x1ac/0x374 [ 92.241887][ C1] kthread+0x37c/0x45c [ 92.242768][ C1] ret_from_fork+0x10/0x20 [ 92.243668][ C1] Kernel panic - not syncing: softlockup: hung tasks executing program [ 92.245016][ C1] CPU: 1 PID: 2056 Comm: aoe_tx0 Tainted: G L 5.15.173-syzkaller #0 [ 92.247031][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 92.249026][ C1] Call trace: [ 92.249585][ C1] dump_backtrace+0x0/0x530 [ 92.250453][ C1] show_stack+0x2c/0x3c [ 92.251212][ C1] dump_stack_lvl+0x108/0x170 [ 92.252092][ C1] dump_stack+0x1c/0x58 [ 92.252874][ C1] panic+0x304/0x8bc [ 92.253596][ C1] softlockup_fn+0x0/0x120 [ 92.254430][ C1] __hrtimer_run_queues+0x458/0xca4 [ 92.255539][ C1] hrtimer_interrupt+0x2c0/0xb64 [ 92.256512][ C1] arch_timer_handler_virt+0x74/0x88 [ 92.257601][ C1] handle_percpu_devid_irq+0x29c/0x7fc [ 92.258763][ C1] handle_domain_irq+0xec/0x178 [ 92.259783][ C1] gic_handle_irq+0x78/0x1c8 [ 92.260749][ C1] call_on_irq_stack+0x24/0x4c [ 92.261755][ C1] do_interrupt_handler+0x74/0x94 [ 92.262768][ C1] el1_interrupt+0x30/0x58 [ 92.263706][ C1] el1h_64_irq_handler+0x18/0x24 [ 92.264704][ C1] el1h_64_irq+0x78/0x7c [ 92.265698][ C1] _raw_spin_unlock_irqrestore+0xbc/0x158 [ 92.266846][ C1] uart_write+0x36c/0x8b8 [ 92.267603][ C1] handle_tx+0x1f8/0x644 [ 92.268476][ C1] caif_xmit+0x10c/0x160 [ 92.269408][ C1] dev_hard_start_xmit+0x2bc/0x92c [ 92.270343][ C1] __dev_queue_xmit+0x1378/0x2ac8 [ 92.271434][ C1] dev_queue_xmit+0x24/0x34 [ 92.272364][ C1] tx+0x94/0x1cc [ 92.273135][ C1] kthread+0x1ac/0x374 [ 92.273993][ C1] kthread+0x37c/0x45c [ 92.274840][ C1] ret_from_fork+0x10/0x20 [ 92.275743][ C1] SMP: stopping secondary CPUs [ 92.276716][ C1] Kernel Offset: disabled [ 92.277558][ C1] CPU features: 0x8,000081c1,21302e40 [ 92.278568][ C1] Memory Limit: none [ 92.291411][ C1] [ 92.291880][ C1] ================================ [ 92.292900][ C1] WARNING: inconsistent lock state [ 92.293975][ C1] 5.15.173-syzkaller #0 Tainted: G L [ 92.295300][ C1] -------------------------------- [ 92.296340][ C1] inconsistent {HARDIRQ-ON-W} -> {IN-HARDIRQ-W} usage. [ 92.297773][ C1] aoe_tx0/2056 [HC1[1]:SC0[2]:HE0:SE0] takes: [ 92.298944][ C1] ffff800014afe7f8 (efi_rt_lock){?...}-{2:2}, at: virt_efi_set_variable_nonblocking+0x74/0x16c [ 92.301124][ C1] {HARDIRQ-ON-W} state was registered at: [ 92.302298][ C1] lock_acquire+0x240/0x77c [ 92.303201][ C1] _raw_spin_lock+0xb0/0x10c [ 92.304083][ C1] efi_call_rts+0x80/0x9d8 [ 92.305021][ C1] process_one_work+0x790/0x11b8 [ 92.306050][ C1] worker_thread+0x910/0x1034 [ 92.307008][ C1] kthread+0x37c/0x45c [ 92.307905][ C1] ret_from_fork+0x10/0x20 [ 92.308890][ C1] irq event stamp: 20870137 [ 92.309744][ C1] hardirqs last enabled at (20870136): [] _raw_spin_unlock_irqrestore+0xac/0x158 [ 92.311993][ C1] hardirqs last disabled at (20870137): [] enter_el1_irq_or_nmi+0x10/0x1c [ 92.314016][ C1] softirqs last enabled at (956): [] local_bh_enable+0x10/0x34 [ 92.315899][ C1] softirqs last disabled at (960): [] local_bh_disable+0x10/0x34 [ 92.317833][ C1] [ 92.317833][ C1] other info that might help us debug this: [ 92.319380][ C1] Possible unsafe locking scenario: [ 92.319380][ C1] [ 92.320903][ C1] CPU0 [ 92.321584][ C1] ---- [ 92.322301][ C1] lock(efi_rt_lock); [ 92.323154][ C1] [ 92.323872][ C1] lock(efi_rt_lock); [ 92.324686][ C1] [ 92.324686][ C1] *** DEADLOCK *** [ 92.324686][ C1] [ 92.326433][ C1] 4 locks held by aoe_tx0/2056: [ 92.327452][ C1] #0: ffff800014c92340 (rcu_read_lock_bh){....}-{1:2}, at: rcu_lock_acquire+0x18/0x54 [ 92.329392][ C1] #1: ffff0000c83f0c98 (_xmit_NONE#2){+...}-{2:2}, at: __dev_queue_xmit+0xef4/0x2ac8 [ 92.331297][ C1] #2: ffff800014c922e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x10/0x4c [ 92.333185][ C1] #3: ffff8000167f56a8 (&psinfo->buf_lock){....}-{2:2}, at: pstore_dump+0x174/0x9dc [ 92.335156][ C1] [ 92.335156][ C1] stack backtrace: [ 92.336373][ C1] CPU: 1 PID: 2056 Comm: aoe_tx0 Tainted: G L 5.15.173-syzkaller #0 [ 92.338144][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 92.340115][ C1] Call trace: [ 92.340872][ C1] dump_backtrace+0x0/0x530 [ 92.341755][ C1] show_stack+0x2c/0x3c [ 92.342577][ C1] dump_stack_lvl+0x108/0x170 [ 92.343530][ C1] dump_stack+0x1c/0x58 [ 92.344397][ C1] print_usage_bug+0x64c/0x9a8 [ 92.345460][ C1] mark_lock_irq+0x980/0xd2c [ 92.346437][ C1] mark_lock+0x258/0x360 [ 92.347305][ C1] __lock_acquire+0xb50/0x7638 [ 92.348234][ C1] lock_acquire+0x240/0x77c [ 92.349193][ C1] _raw_spin_lock+0xb0/0x10c [ 92.350075][ C1] virt_efi_set_variable_nonblocking+0x74/0x16c [ 92.351300][ C1] efivar_entry_set_safe+0x560/0x580 [ 92.352341][ C1] efi_pstore_write+0x280/0x400 [ 92.353316][ C1] pstore_dump+0x6b0/0x9dc [ 92.354300][ C1] kmsg_dump+0x17c/0x26c [ 92.355120][ C1] panic+0x358/0x8bc [ 92.355864][ C1] softlockup_fn+0x0/0x120 [ 92.356759][ C1] __hrtimer_run_queues+0x458/0xca4 [ 92.357745][ C1] hrtimer_interrupt+0x2c0/0xb64 [ 92.358718][ C1] arch_timer_handler_virt+0x74/0x88 [ 92.359738][ C1] handle_percpu_devid_irq+0x29c/0x7fc [ 92.360717][ C1] handle_domain_irq+0xec/0x178 [ 92.361777][ C1] gic_handle_irq+0x78/0x1c8 [ 92.362768][ C1] call_on_irq_stack+0x24/0x4c [ 92.363705][ C1] do_interrupt_handler+0x74/0x94 [ 92.364730][ C1] el1_interrupt+0x30/0x58 [ 92.365625][ C1] el1h_64_irq_handler+0x18/0x24 [ 92.366614][ C1] el1h_64_irq+0x78/0x7c [ 92.367480][ C1] _raw_spin_unlock_irqrestore+0xbc/0x158 [ 92.368679][ C1] uart_write+0x36c/0x8b8 [ 92.369545][ C1] handle_tx+0x1f8/0x644 [ 92.370412][ C1] caif_xmit+0x10c/0x160 [ 92.371276][ C1] dev_hard_start_xmit+0x2bc/0x92c [ 92.372311][ C1] __dev_queue_xmit+0x1378/0x2ac8 [ 92.373274][ C1] dev_queue_xmit+0x24/0x34 [ 92.374188][ C1] tx+0x94/0x1cc [ 92.374984][ C1] kthread+0x1ac/0x374 [ 92.375810][ C1] kthread+0x37c/0x45c [ 92.376586][ C1] ret_from_fork+0x10/0x20 [ 92.698402][ C1] Rebooting in 86400 seconds..