REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal INFO: trying to register non-static key. The code is fine but needs lockdep annotation, or maybe you didn't initialize this object before use? turning off the locking correctness validator. CPU: 0 PID: 13250 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 assign_lock_key kernel/locking/lockdep.c:728 [inline] register_lock_class+0xe82/0x11c0 kernel/locking/lockdep.c:754 __lock_acquire+0x17d/0x3ff0 kernel/locking/lockdep.c:3304 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 (loop1): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds 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: 0033:0x7f981a0f5b6a 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:00007f9818666f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f981a0f5b6a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f9818666fe0 RBP: 00007f9818667020 R08: 00007f9818667020 R09: 0000000020000000 R10: 0000000000004000 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f9818666fe0 R15: 00000000200015c0 kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 13250 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:__list_add_valid+0x47/0xa0 lib/list_debug.c:26 Code: fa 48 c1 ea 03 80 3c 02 00 75 50 49 8b 54 24 08 48 39 f2 0f 85 aa 52 85 04 48 b8 00 00 00 00 00 fc ff df 48 89 f2 48 c1 ea 03 <80> 3c 02 00 75 3a 48 8b 16 4c 39 e2 0f 85 af 52 85 04 48 39 f5 0f RSP: 0018:ffff888043f874c0 EFLAGS: 00010046 RAX: dffffc0000000000 RBX: ffffffffffffffff RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88803a21b0e0 RBP: ffff888043f87558 R08: ffff888043f87558 R09: ffff88803a21b0e0 R10: ffff88803a21b0eb R11: ffffffff8c66501b R12: ffff88803a21b0d8 R13: ffff88803a21b0d0 R14: 1ffff110087f0e9f R15: ffff88803a21b0d8 FS: 00007f9818667700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdd3d28e1b8 CR3: 00000000b2d51000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_add include/linux/list.h:60 [inline] list_add_tail include/linux/list.h:93 [inline] __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:261 [inline] rwsem_down_read_failed+0x124/0x390 kernel/locking/rwsem-xadd.c:309 call_rwsem_down_read_failed+0x14/0x30 arch/x86/lib/rwsem.S:94 __down_read arch/x86/include/asm/rwsem.h:83 [inline] down_read+0x44/0x80 kernel/locking/rwsem.c:26 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: 0033:0x7f981a0f5b6a 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:00007f9818666f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f981a0f5b6a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f9818666fe0 RBP: 00007f9818667020 R08: 00007f9818667020 R09: 0000000020000000 R10: 0000000000004000 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f9818666fe0 R15: 00000000200015c0 Modules linked in: ---[ end trace 515abe2e36fd264c ]--- RIP: 0010:__list_add_valid+0x47/0xa0 lib/list_debug.c:26 Code: fa 48 c1 ea 03 80 3c 02 00 75 50 49 8b 54 24 08 48 39 f2 0f 85 aa 52 85 04 48 b8 00 00 00 00 00 fc ff df 48 89 f2 48 c1 ea 03 <80> 3c 02 00 75 3a 48 8b 16 4c 39 e2 0f 85 af 52 85 04 48 39 f5 0f RSP: 0018:ffff888043f874c0 EFLAGS: 00010046 RAX: dffffc0000000000 RBX: ffffffffffffffff RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88803a21b0e0 RBP: ffff888043f87558 R08: ffff888043f87558 R09: ffff88803a21b0e0 R10: ffff88803a21b0eb R11: ffffffff8c66501b R12: ffff88803a21b0d8 R13: ffff88803a21b0d0 R14: 1ffff110087f0e9f R15: ffff88803a21b0d8 FS: 00007f9818667700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fdd3d28e1b8 CR3: 00000000b2d51000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: fa cli 1: 48 c1 ea 03 shr $0x3,%rdx 5: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) 9: 75 50 jne 0x5b b: 49 8b 54 24 08 mov 0x8(%r12),%rdx 10: 48 39 f2 cmp %rsi,%rdx 13: 0f 85 aa 52 85 04 jne 0x48552c3 19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 20: fc ff df 23: 48 89 f2 mov %rsi,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2e: 75 3a jne 0x6a 30: 48 8b 16 mov (%rsi),%rdx 33: 4c 39 e2 cmp %r12,%rdx 36: 0f 85 af 52 85 04 jne 0x48552eb 3c: 48 39 f5 cmp %rsi,%rbp 3f: 0f .byte 0xf