Warning: Permanently added '10.128.0.119' (ED25519) to the list of known hosts. executing program [ 43.213841][ C1] [ 43.214509][ C1] ================================ [ 43.215952][ C1] WARNING: inconsistent lock state [ 43.217290][ C1] 5.15.156-syzkaller #0 Not tainted [ 43.218600][ C1] -------------------------------- [ 43.219920][ C1] inconsistent {HARDIRQ-ON-W} -> {IN-HARDIRQ-W} usage. [ 43.221705][ C1] syz-executor342/3967 [HC1[1]:SC0[0]:HE0:SE1] takes: [ 43.223492][ C1] ffff800015cef6b8 (sync_timeline_list_lock){?.+.}-{2:2}, at: sync_timeline_debug_remove+0x38/0x130 [ 43.226356][ C1] {HARDIRQ-ON-W} state was registered at: [ 43.227829][ C1] trace_hardirqs_on+0x2a4/0x50c [ 43.229152][ C1] _raw_spin_unlock_irq+0x9c/0x134 [ 43.230512][ C1] sync_info_debugfs_show+0x16c/0x464 [ 43.231908][ C1] seq_read_iter+0x3e0/0xc44 [ 43.233166][ C1] seq_read+0x388/0x4ec [ 43.234274][ C1] vfs_read+0x278/0xb10 [ 43.235382][ C1] ksys_read+0x15c/0x26c [ 43.236547][ C1] __arm64_sys_read+0x7c/0x90 [ 43.237786][ C1] invoke_syscall+0x98/0x2b8 [ 43.239033][ C1] el0_svc_common+0x138/0x258 [ 43.240307][ C1] do_el0_svc+0x58/0x14c [ 43.241442][ C1] el0_svc+0x7c/0x1f0 [ 43.242468][ C1] el0t_64_sync_handler+0x84/0xe4 [ 43.243831][ C1] el0t_64_sync+0x1a0/0x1a4 [ 43.245005][ C1] irq event stamp: 5770 [ 43.246070][ C1] hardirqs last enabled at (5769): [] _raw_spin_unlock_irq+0x9c/0x134 [ 43.248646][ C1] hardirqs last disabled at (5770): [] enter_el1_irq_or_nmi+0x10/0x1c [ 43.251141][ C1] softirqs last enabled at (5664): [] __tun_set_ebpf+0x118/0x1c0 [ 43.253603][ C1] softirqs last disabled at (5662): [] __tun_set_ebpf+0xa4/0x1c0 [ 43.256098][ C1] [ 43.256098][ C1] other info that might help us debug this: [ 43.258168][ C1] Possible unsafe locking scenario: [ 43.258168][ C1] [ 43.260102][ C1] CPU0 [ 43.260975][ C1] ---- [ 43.261813][ C1] lock(sync_timeline_list_lock); [ 43.263268][ C1] [ 43.264228][ C1] lock(sync_timeline_list_lock); [ 43.265616][ C1] [ 43.265616][ C1] *** DEADLOCK *** [ 43.265616][ C1] [ 43.267715][ C1] no locks held by syz-executor342/3967. [ 43.269171][ C1] [ 43.269171][ C1] stack backtrace: [ 43.270647][ C1] CPU: 1 PID: 3967 Comm: syz-executor342 Not tainted 5.15.156-syzkaller #0 [ 43.272910][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 43.275552][ C1] Call trace: [ 43.276375][ C1] dump_backtrace+0x0/0x530 [ 43.277567][ C1] show_stack+0x2c/0x3c [ 43.278679][ C1] dump_stack_lvl+0x108/0x170 [ 43.279913][ C1] dump_stack+0x1c/0x58 [ 43.280993][ C1] print_usage_bug+0x64c/0x9a8 [ 43.282265][ C1] mark_lock_irq+0x980/0xd2c [ 43.283476][ C1] mark_lock+0x258/0x360 [ 43.284570][ C1] __lock_acquire+0xb50/0x7638 [ 43.285862][ C1] lock_acquire+0x240/0x77c [ 43.287019][ C1] _raw_spin_lock_irqsave+0xc4/0x14c [ 43.288400][ C1] sync_timeline_debug_remove+0x38/0x130 [ 43.289920][ C1] timeline_fence_release+0x1f0/0x284 [ 43.291305][ C1] dma_fence_release+0x180/0x560 [ 43.292651][ C1] dma_fence_array_release+0x120/0x24c [ 43.294084][ C1] dma_fence_release+0x180/0x560 [ 43.295374][ C1] irq_dma_fence_array_work+0xac/0x160 [ 43.296793][ C1] irq_work_single+0xbc/0x1e4 [ 43.298011][ C1] irq_work_run+0x108/0x25c [ 43.299175][ C1] ipi_handler+0x108/0x7d4 [ 43.300354][ C1] handle_percpu_devid_irq+0x29c/0x7fc [ 43.301790][ C1] handle_domain_irq+0xec/0x178 [ 43.303067][ C1] gic_handle_irq+0x78/0x1c8 [ 43.304285][ C1] call_on_irq_stack+0x24/0x4c [ 43.305547][ C1] do_interrupt_handler+0x74/0x94 [ 43.306888][ C1] el1_interrupt+0x30/0x58 [ 43.308030][ C1] el1h_64_irq_handler+0x18/0x24 [ 43.309322][ C1] el1h_64_irq+0x78/0x7c [ 43.310429][ C1] _raw_spin_unlock_irq+0xa4/0x134 [ 43.311789][ C1] sw_sync_debugfs_release+0x134/0x204 [ 43.313214][ C1] __fput+0x30c/0x7f0 [ 43.314245][ C1] ____fput+0x20/0x30 [ 43.315307][ C1] task_work_run+0x130/0x1e4 [ 43.316477][ C1] do_notify_resume+0x262c/0x32b8 [ 43.317767][ C1] el0_svc+0xfc/0x1f0 [ 43.318775][ C1] el0t_64_sync_handler+0x84/0xe4 [ 43.320097][ C1] el0t_64_sync+0x1a0/0x1a4