Warning: Permanently added '10.128.1.62' (ED25519) to the list of known hosts. 2023/08/21 16:23:35 ignoring optional flag "sandboxArg"="0" 2023/08/21 16:23:35 parsed 1 programs 2023/08/21 16:23:35 executed programs: 0 2023/08/21 16:23:45 executed programs: 6 [ 49.640971][ T4380] [ 49.643409][ T4380] ================================ [ 49.648480][ T4380] WARNING: inconsistent lock state [ 49.653640][ T4380] 6.5.0-rc7-syzkaller #0 Not tainted [ 49.659061][ T4380] -------------------------------- [ 49.664221][ T4380] inconsistent {IN-HARDIRQ-W} -> {HARDIRQ-ON-W} usage. [ 49.671385][ T4380] syz-executor.2/4380 [HC0[0]:SC0[0]:HE0:SE1] takes: [ 49.678301][ T4380] ffffffff8346c118 (sync_timeline_list_lock){?...}-{2:2}, at: sync_info_debugfs_show+0x27/0x120 [ 49.689224][ T4380] {IN-HARDIRQ-W} state was registered at: [ 49.695182][ T4380] lock_acquire+0xcd/0x2d0 [ 49.699839][ T4380] _raw_spin_lock_irqsave+0x3a/0x50 [ 49.705350][ T4380] sync_timeline_debug_remove+0x15/0x70 [ 49.711815][ T4380] timeline_fence_release+0xae/0xe0 [ 49.717235][ T4380] dma_fence_array_release+0x76/0xb0 [ 49.722575][ T4380] irq_work_single+0x5f/0x80 [ 49.727575][ T4380] irq_work_run_list+0x26/0x30 [ 49.732414][ T4380] irq_work_run+0x2a/0x40 [ 49.737227][ T4380] __sysvec_irq_work+0x3c/0xf0 [ 49.742042][ T4380] sysvec_irq_work+0x89/0xb0 [ 49.747984][ T4380] asm_sysvec_irq_work+0x1a/0x20 [ 49.753260][ T4380] _raw_spin_unlock_irq+0x29/0x50 [ 49.758420][ T4380] sw_sync_debugfs_release+0x57/0xa0 [ 49.763838][ T4380] __fput+0xe8/0x290 [ 49.768228][ T4380] task_work_run+0x55/0x80 [ 49.772877][ T4380] exit_to_user_mode_prepare+0x1a2/0x1b0 [ 49.778665][ T4380] syscall_exit_to_user_mode+0x1d/0x60 [ 49.784718][ T4380] do_syscall_64+0x44/0x80 [ 49.789276][ T4380] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 49.795316][ T4380] irq event stamp: 82 [ 49.799359][ T4380] hardirqs last enabled at (81): [] mod_objcg_state+0x20f/0x310 [ 49.809060][ T4380] hardirqs last disabled at (82): [] _raw_spin_lock_irq+0x45/0x50 [ 49.818826][ T4380] softirqs last enabled at (0): [] copy_process+0xa79/0x1ff0 [ 49.828174][ T4380] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 49.835867][ T4380] [ 49.835867][ T4380] other info that might help us debug this: [ 49.843997][ T4380] Possible unsafe locking scenario: [ 49.843997][ T4380] [ 49.851498][ T4380] CPU0 [ 49.854849][ T4380] ---- [ 49.858104][ T4380] lock(sync_timeline_list_lock); [ 49.863528][ T4380] [ 49.867122][ T4380] lock(sync_timeline_list_lock); [ 49.872405][ T4380] [ 49.872405][ T4380] *** DEADLOCK *** [ 49.872405][ T4380] [ 49.880707][ T4380] 3 locks held by syz-executor.2/4380: [ 49.886329][ T4380] #0: ffff888100fb46c8 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x47/0x60 [ 49.895446][ T4380] #1: ffff888103380358 (&p->lock){+.+.}-{3:3}, at: seq_read_iter+0x50/0x440 [ 49.904605][ T4380] #2: ffffffff8346c118 (sync_timeline_list_lock){?...}-{2:2}, at: sync_info_debugfs_show+0x27/0x120 [ 49.915958][ T4380] [ 49.915958][ T4380] stack backtrace: [ 49.921909][ T4380] CPU: 1 PID: 4380 Comm: syz-executor.2 Not tainted 6.5.0-rc7-syzkaller #0 [ 49.930633][ T4380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 49.941193][ T4380] Call Trace: [ 49.944646][ T4380] [ 49.947637][ T4380] dump_stack_lvl+0x5c/0xb0 [ 49.952122][ T4380] mark_lock+0x976/0xd50 [ 49.956329][ T4380] ? seq_printf+0x91/0xb0 [ 49.960707][ T4380] ? lock_acquire+0xcd/0x2d0 [ 49.965447][ T4380] mark_held_locks+0x49/0x70 [ 49.970109][ T4380] lockdep_hardirqs_on_prepare+0xb5/0x120 [ 49.975891][ T4380] trace_hardirqs_on+0x46/0xa0 [ 49.980738][ T4380] _raw_spin_unlock_irq+0x23/0x50 [ 49.985904][ T4380] sync_info_debugfs_show+0x88/0x120 [ 49.991285][ T4380] seq_read_iter+0x11c/0x440 [ 49.995942][ T4380] seq_read+0xcf/0x100 [ 50.000002][ T4380] vfs_read+0xa6/0x330 [ 50.004040][ T4380] ? __fdget_pos+0x47/0x60 [ 50.008506][ T4380] ksys_read+0x70/0xf0 [ 50.012806][ T4380] do_syscall_64+0x38/0x80 [ 50.017193][ T4380] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 50.023307][ T4380] RIP: 0033:0x7f65dbe7bdb9 [ 50.027717][ T4380] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 50.047736][ T4380] RSP: 002b:00007f65dcb340c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 [ 50.056551][ T4380] RAX: ffffffffffffffda RBX: 00007f65dbf9bf80 RCX: 00007f65dbe7bdb9 [ 50.064747][ T4380] RDX: 0000000000002020 RSI: 0000000020002200 RDI: 0000000000000003 [ 50.072688][ T4380] RBP: 00007f65dbed8ad0 R08: 0000000000000000 R09: 0000000000000000 [ 50.080733][ T4380] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 50.088770][ T4380] R13: 0000000000000006 R14: 00007f65dbf9bf80 R15: 00007ffda9b22558 [ 50.096713][ T4380] 2023/08/21 16:23:50 executed programs: 2380 2023/08/21 16:23:55 executed programs: 5181