IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready
IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
JBD2: Ignoring recovery information on journal
ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode.
BUG: unable to handle kernel NULL pointer dereference at 0000000000000008
PGD 800000012df00067 P4D 800000012df00067 PUD 133093067 PMD 0 
Oops: 0000 [#1] PREEMPT SMP PTI
CPU: 1 PID: 4199 Comm: syz.0.15 Not tainted 4.19.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:ocfs2_find_dir_space_el fs/ocfs2/dir.c:3463 [inline]
RIP: 0010:ocfs2_prepare_dir_for_insert+0x74d/0x7d0 fs/ocfs2/dir.c:4309
Code: dd e9 a7 fe ff ff 4c 8b b5 68 ff ff ff 41 bd fe ff ff ff e9 1a fe ff ff 4c 8b b5 68 ff ff ff 41 bd e4 ff ff ff e9 b8 fe ff ff <0f> b7 14 25 08 00 00 00 44 0f b6 0c 25 0a 00 00 00 e9 cf fb ff ff
RSP: 0018:ffffc900010bfa20 EFLAGS: 00010202
RAX: ffff8801296ab800 RBX: ffff880131fc07a0 RCX: 0000000086ab5e18
RDX: ffff8801218f0000 RSI: 000000003e5b6b73 RDI: 00000000e3779b90
RBP: ffffc900010bfab8 R08: ffff8801296f3200 R09: 0000000000047c88
R10: 000000006a74d80d R11: 0000000000000010 R12: 0000000000000010
R13: ffff8801296f32c8 R14: ffff880131fa6680 R15: 000000000000001c
FS:  00007fe8fdd226c0(0000) GS:ffff88013bb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000008 CR3: 000000012defe000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ocfs2_mknod+0x42b/0x1030 fs/ocfs2/namei.c:303
 ocfs2_create+0x59/0x1a0 fs/ocfs2/namei.c:680
 lookup_open+0x2cd/0x8a0 fs/namei.c:3234
 do_last fs/namei.c:3324 [inline]
 path_openat+0x4db/0xc10 fs/namei.c:3534
 do_filp_open+0x8e/0x100 fs/namei.c:3564
 do_sys_open+0x17d/0x210 fs/open.c:1063
 __do_sys_openat fs/open.c:1090 [inline]
 __se_sys_openat fs/open.c:1084 [inline]
 __x64_sys_openat+0x1b/0x20 fs/open.c:1084
 do_syscall_64+0x69/0x170 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x7fe8fe2a0ff9
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fe8fdd22038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fe8fe458f80 RCX: 00007fe8fe2a0ff9
RDX: 000000000000275a RSI: 0000000020000180 RDI: ffffffffffffff9c
RBP: 00007fe8fe313296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fe8fe458f80 R15: 00007ffe124eb518
Modules linked in:
CR2: 0000000000000008
---[ end trace 0f59492ff2a8d4ff ]---
RIP: 0010:ocfs2_find_dir_space_el fs/ocfs2/dir.c:3463 [inline]
RIP: 0010:ocfs2_prepare_dir_for_insert+0x74d/0x7d0 fs/ocfs2/dir.c:4309
Code: dd e9 a7 fe ff ff 4c 8b b5 68 ff ff ff 41 bd fe ff ff ff e9 1a fe ff ff 4c 8b b5 68 ff ff ff 41 bd e4 ff ff ff e9 b8 fe ff ff <0f> b7 14 25 08 00 00 00 44 0f b6 0c 25 0a 00 00 00 e9 cf fb ff ff
RSP: 0018:ffffc900010bfa20 EFLAGS: 00010202
RAX: ffff8801296ab800 RBX: ffff880131fc07a0 RCX: 0000000086ab5e18
RDX: ffff8801218f0000 RSI: 000000003e5b6b73 RDI: 00000000e3779b90
RBP: ffffc900010bfab8 R08: ffff8801296f3200 R09: 0000000000047c88
R10: 000000006a74d80d R11: 0000000000000010 R12: 0000000000000010
R13: ffff8801296f32c8 R14: ffff880131fa6680 R15: 000000000000001c
FS:  00007fe8fdd226c0(0000) GS:ffff88013bb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000008 CR3: 000000012defe000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	e9 a7 fe ff ff       	jmp    0xfffffeac
   5:	4c 8b b5 68 ff ff ff 	mov    -0x98(%rbp),%r14
   c:	41 bd fe ff ff ff    	mov    $0xfffffffe,%r13d
  12:	e9 1a fe ff ff       	jmp    0xfffffe31
  17:	4c 8b b5 68 ff ff ff 	mov    -0x98(%rbp),%r14
  1e:	41 bd e4 ff ff ff    	mov    $0xffffffe4,%r13d
  24:	e9 b8 fe ff ff       	jmp    0xfffffee1
* 29:	0f b7 14 25 08 00 00 	movzwl 0x8,%edx <-- trapping instruction
  30:	00
  31:	44 0f b6 0c 25 0a 00 	movzbl 0xa,%r9d
  38:	00 00
  3a:	e9 cf fb ff ff       	jmp    0xfffffc0e