reiserfs: using flush barriers
REISERFS (device loop0): journal params: device loop0, size 15748, journal first block 18, max trans len 1024, max batch 900, max commit age 30, max trans age 30
REISERFS (device loop0): checking transaction log (loop0)
REISERFS (device loop0): Using tea hash to sort names
BUG: unable to handle kernel NULL pointer dereference at (null)
IP: (null)
PGD b2fc8067 P4D b2fc8067 PUD b2fdf067 PMD 0
Oops: 0010 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 8012 Comm: syz-executor002 Not tainted 4.14.237-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8880b0b9e640 task.stack: ffff8880920f8000
RIP: 0010: (null)
RSP: 0018:ffff8880920ffa30 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffffffff8796bec0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffff88808e8cc9a0 RDI: ffff88808d143748
RBP: ffff88808d143748 R08: 0000000000000001 R09: 0000000000000002
R10: 0000000000000000 R11: ffff8880b0b9e640 R12: ffff88808e8cc9a0
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000076
FS: 00000000010fd300(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000000b533e000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lookup_real fs/namei.c:1555 [inline]
__lookup_hash fs/namei.c:1575 [inline]
__lookup_hash+0x1bb/0x270 fs/namei.c:1563
lookup_one_len+0x279/0x3a0 fs/namei.c:2539
reiserfs_lookup_privroot+0x92/0x270 fs/reiserfs/xattr.c:970
reiserfs_fill_super+0x1ae0/0x28c0 fs/reiserfs/super.c:2179
mount_bdev+0x2b3/0x360 fs/super.c:1134
mount_fs+0x92/0x2a0 fs/super.c:1237
vfs_kern_mount.part.0+0x5b/0x470 fs/namespace.c:1046
vfs_kern_mount fs/namespace.c:1036 [inline]
do_new_mount fs/namespace.c:2549 [inline]
do_mount+0xe53/0x2a00 fs/namespace.c:2879
SYSC_mount fs/namespace.c:3095 [inline]
SyS_mount+0xa8/0x120 fs/namespace.c:3072
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x4451aa
RSP: 002b:00007ffccf2d4d18 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ffccf2d4d70 RCX: 00000000004451aa
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffccf2d4d30
RBP: 00007ffccf2d4d30 R08: 00007ffccf2d4d70 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000286 R12: 00000000200002a8
R13: 0000000000000003 R14: 0000000000000004 R15: 0000000000000007
Code: Bad RIP value.
RIP: (null) RSP: ffff8880920ffa30
CR2: 0000000000000000
---[ end trace f253ca1b942a7c13 ]---