loop0: detected capacity change from 0 to 32768
=======================================================
WARNING: The mand mount option has been deprecated and
and is ignored by this kernel. Remove the mand
option from the mount to silence this warning.
=======================================================
JBD2: Ignoring recovery information on journal
ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode.
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
CPU: 0 UID: 0 PID: 5316 Comm: syz.0.0 Not tainted 6.13.0-rc5-syzkaller-00012-g0bc21e701a6f #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:ocfs2_find_dir_space_id fs/ocfs2/dir.c:3407 [inline]
RIP: 0010:ocfs2_prepare_dir_for_insert+0x32ed/0x5c40 fs/ocfs2/dir.c:4271
Code: 00 00 e8 a6 1d 12 fe e9 ba 06 00 00 e8 9c 1d 12 fe e9 4f 01 00 00 e8 92 1d 12 fe 49 8d 7f 08 49 8d 5f 09 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 bd 23 00 00 48 89 d8 48 c1 e8 03 42 0f
RSP: 0018:ffffc9000d4b6b00 EFLAGS: 00010202
RAX: 0000000000000001 RBX: 0000000000000009 RCX: ffff888000e44880
RDX: 0000000000000000 RSI: 0000000000000400 RDI: 0000000000000008
RBP: ffffc9000d4b7310 R08: ffffffff838d299b R09: ffffffff838d80b7
R10: 0000000000000002 R11: ffff888000e44880 R12: dffffc0000000000
R13: ffff888052c68878 R14: 00000000000001c0 R15: 0000000000000000
FS: 00007f16c6b076c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f995df95ed8 CR3: 00000000344ca000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
ocfs2_mknod+0xcaf/0x2b30 fs/ocfs2/namei.c:294
ocfs2_create+0x1ab/0x470 fs/ocfs2/namei.c:674
lookup_open fs/namei.c:3649 [inline]
open_last_lookups fs/namei.c:3748 [inline]
path_openat+0x1c03/0x3590 fs/namei.c:3984
do_filp_open+0x27f/0x4e0 fs/namei.c:4014
do_sys_openat2+0x13e/0x1d0 fs/open.c:1402
do_sys_open fs/open.c:1417 [inline]
__do_sys_open fs/open.c:1425 [inline]
__se_sys_open fs/open.c:1421 [inline]
__x64_sys_open+0x225/0x270 fs/open.c:1421
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f16c5d85d29
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:00007f16c6b07038 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f16c5f75fa0 RCX: 00007f16c5d85d29
RDX: 00000000000000e8 RSI: 0000000000060142 RDI: 0000000020004ac0
RBP: 00007f16c5e01b08 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f16c5f75fa0 R15: 00007ffe5d047ca8
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ocfs2_find_dir_space_id fs/ocfs2/dir.c:3407 [inline]
RIP: 0010:ocfs2_prepare_dir_for_insert+0x32ed/0x5c40 fs/ocfs2/dir.c:4271
Code: 00 00 e8 a6 1d 12 fe e9 ba 06 00 00 e8 9c 1d 12 fe e9 4f 01 00 00 e8 92 1d 12 fe 49 8d 7f 08 49 8d 5f 09 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 bd 23 00 00 48 89 d8 48 c1 e8 03 42 0f
RSP: 0018:ffffc9000d4b6b00 EFLAGS: 00010202
RAX: 0000000000000001 RBX: 0000000000000009 RCX: ffff888000e44880
RDX: 0000000000000000 RSI: 0000000000000400 RDI: 0000000000000008
RBP: ffffc9000d4b7310 R08: ffffffff838d299b R09: ffffffff838d80b7
R10: 0000000000000002 R11: ffff888000e44880 R12: dffffc0000000000
R13: ffff888052c68878 R14: 00000000000001c0 R15: 0000000000000000
FS: 00007f16c6b076c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000000344ca000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: e8 a6 1d 12 fe call 0xfe121dad
7: e9 ba 06 00 00 jmp 0x6c6
c: e8 9c 1d 12 fe call 0xfe121dad
11: e9 4f 01 00 00 jmp 0x165
16: e8 92 1d 12 fe call 0xfe121dad
1b: 49 8d 7f 08 lea 0x8(%r15),%rdi
1f: 49 8d 5f 09 lea 0x9(%r15),%rbx
23: 48 89 f8 mov %rdi,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 42 0f b6 04 20 movzbl (%rax,%r12,1),%eax <-- trapping instruction
2f: 84 c0 test %al,%al
31: 0f 85 bd 23 00 00 jne 0x23f4
37: 48 89 d8 mov %rbx,%rax
3a: 48 c1 e8 03 shr $0x3,%rax
3e: 42 rex.X
3f: 0f .byte 0xf