------------[ cut here ]------------ WARNING: CPU: 0 PID: 3718 at kernel/locking/lockdep.c:966 lock_accessed kernel/locking/lockdep.c:966 [inline] WARNING: CPU: 0 PID: 3718 at kernel/locking/lockdep.c:966 __bfs.part.0.cold+0x11/0xeb kernel/locking/lockdep.c:1033 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 3718 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 panic+0x26a/0x50e kernel/panic.c:186 __warn.cold+0x20/0x5a kernel/panic.c:541 report_bug+0x262/0x2b0 lib/bug.c:183 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038 RIP: 0010:lock_accessed kernel/locking/lockdep.c:966 [inline] RIP: 0010:__bfs.part.0.cold+0x11/0xeb kernel/locking/lockdep.c:1033 Code: 60 37 24 8d e8 bc 32 a5 f9 eb 88 48 c7 c7 40 f7 36 8d e8 ae 32 a5 f9 eb bd 48 c7 c7 60 1d 6a 88 48 89 54 24 20 e8 a6 87 00 00 <0f> 0b 49 8d 46 10 48 8b 54 24 20 48 89 44 24 18 48 c1 e8 03 42 80 RSP: 0018:ffff88801229f238 EFLAGS: 00010086 RAX: 0000000000000024 RBX: ffffffff8ce92210 RCX: 0000000000000000 RDX: 0000000000036f22 RSI: ffffffff814dff01 RDI: ffffed1002453e39 RBP: ffff88801229f2f0 R08: 0000000000000024 R09: 0000000000000000 R10: 0000000000000005 R11: ffffffff8c66501b R12: ffffffff814a7290 R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 __bfs kernel/locking/lockdep.c:1388 [inline] __bfs_backwards kernel/locking/lockdep.c:1070 [inline] find_usage_backwards kernel/locking/lockdep.c:1388 [inline] check_usage_backwards+0x17a/0x300 kernel/locking/lockdep.c:2669 mark_lock_irq kernel/locking/lockdep.c:2760 [inline] mark_lock+0x3d8/0x1160 kernel/locking/lockdep.c:3132 mark_irqflags kernel/locking/lockdep.c:3016 [inline] __lock_acquire+0x5cb/0x3ff0 kernel/locking/lockdep.c:3373 NILFS (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3908 down_read+0x36/0x80 kernel/locking/rwsem.c:24 nilfs_bmap_lookup_at_level+0x7b/0x3e0 fs/nilfs2/bmap.c:68 nilfs_bmap_lookup fs/nilfs2/bmap.h:170 [inline] nilfs_mdt_submit_block.constprop.0+0x1a5/0xaa0 fs/nilfs2/mdt.c:142 nilfs_mdt_read_block+0x96/0x3e0 fs/nilfs2/mdt.c:175 nilfs_mdt_get_block+0xe6/0xd40 fs/nilfs2/mdt.c:250 nilfs_palloc_get_block+0xc4/0x2b0 fs/nilfs2/alloc.c:216 nilfs_palloc_get_entry_block+0x17b/0x230 fs/nilfs2/alloc.c:318 nilfs_ifile_get_inode_block+0xbf/0x170 fs/nilfs2/ifile.c:143 __nilfs_read_inode fs/nilfs2/inode.c:483 [inline] nilfs_iget+0x204/0x860 fs/nilfs2/inode.c:592 nilfs_get_root_dentry+0x26/0x250 fs/nilfs2/super.c:908 nilfs_fill_super fs/nilfs2/super.c:1082 [inline] nilfs_mount+0xac8/0xe70 fs/nilfs2/super.c:1321 mount_fs+0xa3/0x310 fs/super.c:1261 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2492 [inline] do_mount+0x115c/0x2f50 fs/namespace.c:2822 ksys_mount+0xcf/0x130 fs/namespace.c:3038 __do_sys_mount fs/namespace.c:3052 [inline] __se_sys_mount fs/namespace.c:3049 [inline] __x64_sys_mount+0xba/0x150 fs/namespace.c:3049 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f11d146dada Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f11cfddff88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f11d146dada RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f11cfddffe0 RBP: 00007f11cfde0020 R08: 00007f11cfde0020 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f11cfddffe0 R15: 00000000200162e0 Shutting down cpus with NMI Kernel Offset: disabled Rebooting in 86400 seconds..