(syz.2.23,6028,0):__ocfs2_remove_xattr_range:786 ERROR: status = -30
(syz.2.23,6028,0):ocfs2_xattr_shrink_size:840 ERROR: status = -30
(syz.2.23,6028,0):__ocfs2_journal_access:724 ERROR: Error -30 getting 1 access to buffer!
(syz.2.23,6028,0):ocfs2_xa_prepare_entry:2182 ERROR: status = -30
(syz.2.23,6028,0):ocfs2_xa_set:2285 ERROR: status = -30
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 UID: 0 PID: 6028 Comm: syz.2.23 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:jbd2_journal_dirty_metadata+0x4a/0xd30 fs/jbd2/transaction.c:1520
Code: 00 fc ff df e8 07 27 29 ff 4c 89 fd 48 c1 ed 03 42 80 7c 35 00 00 74 08 4c 89 ff e8 f0 61 94 ff 49 8b 1f 48 89 d8 48 c1 e8 03 <42> 80 3c 30 00 74 08 48 89 df e8 d7 61 94 ff 48 89 1c 24 4c 8b 2b
RSP: 0018:ffffc90003766bc0 EFLAGS: 00010256
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff888035c3dc40
RDX: 0000000000000000 RSI: ffff88805927b9f8 RDI: ffff888034ddbf20
RBP: 1ffff110069bb7e4 R08: ffffffff9030a1f7 R09: 1ffffffff206143e
R10: dffffc0000000000 R11: fffffbfff206143f R12: dffffc0000000000
R13: 1ffff920006ecd94 R14: dffffc0000000000 R15: ffff888034ddbf20
FS: 000055556c64d500(0000) GS:ffff888125290000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8ff9c72700 CR3: 000000007908f000 CR4: 0000000000350ef0
Call Trace:
<TASK>
ocfs2_journal_dirty+0x130/0x700 fs/ocfs2/journal.c:831
ocfs2_xa_journal_dirty fs/ocfs2/xattr.c:1483 [inline]
ocfs2_xa_set+0x15e3/0x2ec0 fs/ocfs2/xattr.c:2294
ocfs2_xattr_block_set+0x3e0/0x33c0 fs/ocfs2/xattr.c:3016
__ocfs2_xattr_set_handle+0x6b3/0xf50 fs/ocfs2/xattr.c:3418
ocfs2_xattr_set+0xf3f/0x13e0 fs/ocfs2/xattr.c:3681
__vfs_setxattr+0x43c/0x480 fs/xattr.c:218
__vfs_setxattr_noperm+0x12d/0x660 fs/xattr.c:252
vfs_setxattr+0x163/0x360 fs/xattr.c:339
do_setxattr fs/xattr.c:654 [inline]
filename_setxattr+0x296/0x630 fs/xattr.c:682
path_setxattrat+0x3eb/0x440 fs/xattr.c:726
__do_sys_setxattr fs/xattr.c:760 [inline]
__se_sys_setxattr fs/xattr.c:756 [inline]
__x64_sys_setxattr+0xbc/0xe0 fs/xattr.c:756
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8ff9d9cdd9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd9c92e118 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc
RAX: ffffffffffffffda RBX: 00007f8ffa015fa0 RCX: 00007f8ff9d9cdd9
RDX: 0000000000000000 RSI: 0000200000000140 RDI: 0000200000000080
RBP: 00007f8ff9e32d69 R08: 0000000000000002 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8ffa015fac R14: 00007f8ffa015fa0 R15: 00007f8ffa015fa0
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:jbd2_journal_dirty_metadata+0x4a/0xd30 fs/jbd2/transaction.c:1520
Code: 00 fc ff df e8 07 27 29 ff 4c 89 fd 48 c1 ed 03 42 80 7c 35 00 00 74 08 4c 89 ff e8 f0 61 94 ff 49 8b 1f 48 89 d8 48 c1 e8 03 <42> 80 3c 30 00 74 08 48 89 df e8 d7 61 94 ff 48 89 1c 24 4c 8b 2b
RSP: 0018:ffffc90003766bc0 EFLAGS: 00010256
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff888035c3dc40
RDX: 0000000000000000 RSI: ffff88805927b9f8 RDI: ffff888034ddbf20
RBP: 1ffff110069bb7e4 R08: ffffffff9030a1f7 R09: 1ffffffff206143e
R10: dffffc0000000000 R11: fffffbfff206143f R12: dffffc0000000000
R13: 1ffff920006ecd94 R14: dffffc0000000000 R15: ffff888034ddbf20
FS: 000055556c64d500(0000) GS:ffff888125290000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000557909eb6950 CR3: 000000007908f000 CR4: 0000000000350ef0
----------------
Code disassembly (best guess), 4 bytes skipped:
0: e8 07 27 29 ff call 0xff29270c
5: 4c 89 fd mov %r15,%rbp
8: 48 c1 ed 03 shr $0x3,%rbp
c: 42 80 7c 35 00 00 cmpb $0x0,0x0(%rbp,%r14,1)
12: 74 08 je 0x1c
14: 4c 89 ff mov %r15,%rdi
17: e8 f0 61 94 ff call 0xff94620c
1c: 49 8b 1f mov (%r15),%rbx
1f: 48 89 d8 mov %rbx,%rax
22: 48 c1 e8 03 shr $0x3,%rax
* 26: 42 80 3c 30 00 cmpb $0x0,(%rax,%r14,1) <-- trapping instruction
2b: 74 08 je 0x35
2d: 48 89 df mov %rbx,%rdi
30: e8 d7 61 94 ff call 0xff94620c
35: 48 89 1c 24 mov %rbx,(%rsp)
39: 4c 8b 2b mov (%rbx),%r13