[ 97.569744][ T27] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.84' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program [ 103.777527][ C1] [ 103.779936][ C1] ================================ [ 103.785077][ C1] WARNING: inconsistent lock state [ 103.790224][ C1] 6.8.0-rc1-syzkaller-00356-g8a696a29c690 #0 Not tainted [ 103.797284][ C1] -------------------------------- [ 103.802418][ C1] inconsistent {HARDIRQ-ON-W} -> {IN-HARDIRQ-W} usage. [ 103.809279][ C1] syz-executor223/5062 [HC1[1]:SC0[0]:HE0:SE1] takes: [ 103.816065][ C1] ffffffff8e010e78 (sync_timeline_list_lock){?.+.}-{2:2}, at: sync_timeline_debug_remove+0x29/0x1a0 [ 103.826950][ C1] {HARDIRQ-ON-W} state was registered at: [ 103.832772][ C1] lockdep_hardirqs_on_prepare+0x139/0x420 [ 103.838690][ C1] trace_hardirqs_on+0x36/0x40 [ 103.843580][ C1] _raw_spin_unlock_irq+0x23/0x50 [ 103.848718][ C1] sync_info_debugfs_show+0xef/0x200 [ 103.854128][ C1] seq_read_iter+0x4e5/0x1280 [ 103.858916][ C1] seq_read+0x392/0x4d0 [ 103.863190][ C1] vfs_read+0x1d4/0xb70 [ 103.867459][ C1] ksys_read+0x12f/0x250 [ 103.871813][ C1] do_syscall_64+0xd3/0x250 [ 103.876431][ C1] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 103.882440][ C1] irq event stamp: 3040 [ 103.886607][ C1] hardirqs last enabled at (3039): [] _raw_spin_unlock_irq+0x23/0x50 [ 103.896449][ C1] hardirqs last disabled at (3040): [] sysvec_irq_work+0xe/0xb0 [ 103.905709][ C1] softirqs last enabled at (0): [] copy_process+0x245b/0x97b0 [ 103.914851][ C1] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 103.921984][ C1] [ 103.921984][ C1] other info that might help us debug this: [ 103.930057][ C1] Possible unsafe locking scenario: [ 103.930057][ C1] [ 103.937517][ C1] CPU0 [ 103.940805][ C1] ---- [ 103.944091][ C1] lock(sync_timeline_list_lock); [ 103.949238][ C1] [ 103.952707][ C1] lock(sync_timeline_list_lock); [ 103.958012][ C1] [ 103.958012][ C1] *** DEADLOCK *** [ 103.958012][ C1] [ 103.966182][ C1] no locks held by syz-executor223/5062. [ 103.971830][ C1] [ 103.971830][ C1] stack backtrace: [ 103.977728][ C1] CPU: 1 PID: 5062 Comm: syz-executor223 Not tainted 6.8.0-rc1-syzkaller-00356-g8a696a29c690 #0 [ 103.988167][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 103.998246][ C1] Call Trace: [ 104.001545][ C1] [ 104.004403][ C1] dump_stack_lvl+0xd9/0x1b0 [ 104.009034][ C1] mark_lock+0x91a/0xc50 [ 104.013319][ C1] ? print_usage_bug.part.0+0x550/0x550 [ 104.018907][ C1] ? print_usage_bug.part.0+0x550/0x550 [ 104.024499][ C1] ? do_raw_spin_unlock+0x173/0x230 [ 104.029726][ C1] ? _raw_spin_unlock_irqrestore+0x3b/0x70 [ 104.035571][ C1] ? find_held_lock+0x2d/0x110 [ 104.040376][ C1] __lock_acquire+0x137a/0x3b30 [ 104.045257][ C1] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 104.051266][ C1] ? lockdep_hardirqs_on_prepare+0x420/0x420 [ 104.057277][ C1] lock_acquire+0x1ae/0x520 [ 104.061806][ C1] ? sync_timeline_debug_remove+0x29/0x1a0 [ 104.067655][ C1] ? lock_sync+0x190/0x190 [ 104.072097][ C1] ? timeline_fence_release+0x1f1/0x340 [ 104.077685][ C1] ? reacquire_held_locks+0x4c0/0x4c0 [ 104.083088][ C1] _raw_spin_lock_irqsave+0x3a/0x50 [ 104.088321][ C1] ? sync_timeline_debug_remove+0x29/0x1a0 [ 104.094169][ C1] sync_timeline_debug_remove+0x29/0x1a0 [ 104.099842][ C1] timeline_fence_release+0x262/0x340 [ 104.105253][ C1] ? sw_sync_debugfs_open+0x310/0x310 [ 104.110661][ C1] dma_fence_release+0x2f3/0x510 [ 104.115631][ C1] ? reacquire_held_locks+0x4c0/0x4c0 [ 104.121028][ C1] dma_fence_array_release+0x1fa/0x2e0 [ 104.126526][ C1] ? dma_fence_array_create+0x370/0x370 [ 104.132112][ C1] dma_fence_release+0x2f3/0x510 [ 104.137171][ C1] ? _raw_spin_unlock_irqrestore+0x3b/0x70 [ 104.143023][ C1] irq_dma_fence_array_work+0xa9/0xd0 [ 104.148429][ C1] irq_work_single+0x1b5/0x260 [ 104.153232][ C1] irq_work_run_list+0x92/0xc0 [ 104.158026][ C1] irq_work_run+0x58/0xd0 [ 104.162385][ C1] __sysvec_irq_work+0x82/0x3a0 [ 104.167277][ C1] sysvec_irq_work+0x90/0xb0 [ 104.171912][ C1] [ 104.174857][ C1] [ 104.177800][ C1] asm_sysvec_irq_work+0x1a/0x20 [ 104.182769][ C1] RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 [ 104.188607][ C1] Code: 90 f3 0f 1e fa 53 48 8b 74 24 08 48 89 fb 48 83 c7 18 e8 4a 76 d6 f6 48 89 df e8 42 ee d6 f6 e8 8d 05 fd f6 fb bf 01 00 00 00 42 8e c8 f6 65 8b 05 03 c3 71 75 85 c0 74 02 5b c3 e8 70 81 6e [ 104.208240][ C1] RSP: 0018:ffffc90003b4faa0 EFLAGS: 00000202 [ 104.214328][ C1] RAX: 0000000000000bdf RBX: ffff888018e8f270 RCX: 1ffffffff1e75901 [ 104.222316][ C1] RDX: 0000000000000000 RSI: ffffffff8accae80 RDI: 0000000000000001 [ 104.230315][ C1] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 104.238306][ C1] R10: ffffffff8f3afa97 R11: 0000000000000001 R12: ffff888018e8f220 [ 104.246296][ C1] R13: dffffc0000000000 R14: ffff888018e8f220 R15: ffff888018e8f270 [ 104.254298][ C1] sw_sync_debugfs_release+0x164/0x240 [ 104.259800][ C1] ? timeline_fence_release+0x340/0x340 [ 104.265469][ C1] __fput+0x270/0xb70 [ 104.269491][ C1] task_work_run+0x14d/0x240 [ 104.274109][ C1] ? task_work_cancel+0x30/0x30 [ 104.278981][ C1] ? do_raw_spin_unlock+0x173/0x230 [ 104.284206][ C1] do_exit+0xa8a/0x2ad0 [ 104.288400][ C1] ? get_signal+0x935/0x2790 [ 104.293022][ C1] ? mm_update_next_owner+0x840/0x840 [ 104.298420][ C1] ? do_raw_spin_lock+0x12e/0x2b0 [ 104.303478][ C1] ? spin_bug+0x1d0/0x1d0 [ 104.307833][ C1] do_group_exit+0xd4/0x2a0 [ 104.312362][ C1] get_signal+0x23b5/0x2790 [ 104.316899][ C1] ? exit_signals+0x960/0x960 [ 104.321608][ C1] ? __might_fault+0xe6/0x1a0 [ 104.326350][ C1] arch_do_signal_or_restart+0x90/0x7f0 [ 104.331962][ C1] ? get_sigframe_size+0x20/0x20 [ 104.336949][ C1] syscall_exit_to_user_mode+0x156/0x2b0 [ 104.342623][ C1] do_syscall_64+0xe0/0x250 [ 104.347179][ C1] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 104.353120][ C1] RIP: 0033:0x7f5d111bdd69 [ 104.357551][ C1] Code: Unable to access opcode bytes at 0x7f5d111bdd3f. [ 104.364580][ C1] RSP: 002b:00007ffcda73ed58 EFLAGS: 00000246 ORIG_RAX: 000000000000010f [ 104.373137][ C1] RAX: fffffffffffffdfe RBX: 0000000000000000 RCX: 00007f5d111bdd69 [ 104.381154][ C1] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000020000100 [ 104.389145][ C1] RBP: 00000000000f4240 R08: 0000000000000000 R09: 00000000000000a0 [ 104.397133][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 104.405130][ C1] R13: 00007ffcda73ef78 R14: 00007ffcda73ed80 R15: 00007ffcda73ed70 [ 104.413140][ C1] executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program