(syz.5.6,5906,1):__ocfs2_journal_access:727 ERROR: Error -30 getting 1 access to buffer!
(syz.5.6,5906,1):ocfs2_write_end_nolock:1945 ERROR: status = -30
(syz.5.6,5906,1):ocfs2_commit_trans:401 ERROR: status = -5
------------[ cut here ]------------
kernel BUG at fs/ocfs2/mmap.c:106!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 1 UID: 0 PID: 5906 Comm: syz.5.6 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2026
RIP: 0010:__ocfs2_page_mkwrite fs/ocfs2/mmap.c:106 [inline]
RIP: 0010:ocfs2_page_mkwrite+0x7b0/0xc60 fs/ocfs2/mmap.c:143
Code: 46 15 f7 ff 89 ef 89 c6 89 6c 24 28 41 89 c4 bd 00 02 00 00 e8 21 a3 d0 fd 44 39 64 24 28 0f 84 87 fc ff ff e8 61 a9 d0 fd 90 <0f> 0b e8 59 a9 d0 fd 44 89 e6 bf 00 fe ff ff e8 bc a3 d0 fd 41 81
RSP: 0018:ffffc90004b2f1c0 EFLAGS: 00010283
RAX: 0000000000056837 RBX: 1ffff92000965e3f RCX: ffffc9000f955000
RDX: 0000000000080000 RSI: ffffffff843b7f4f RDI: ffff88801fb21f40
RBP: 0000000000000200 R08: 0000000000000004 R09: 0000000000001000
R10: 00000000ffffffe2 R11: 0000000000000001 R12: 00000000ffffffe2
R13: ffff888051629660 R14: ffff8880516293f0 R15: ffff888051629688
FS:  00007fd0a19f66c0(0000) GS:ffff888123c4b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000074000 CR3: 000000005764d000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 do_page_mkwrite+0x17a/0x440 mm/memory.c:3816
 wp_page_shared mm/memory.c:4217 [inline]
 do_wp_page+0x9ed/0x45c0 mm/memory.c:4440
 handle_pte_fault mm/memory.c:6582 [inline]
 __handle_mm_fault+0x1cd2/0x2f60 mm/memory.c:6707
 handle_mm_fault+0x363/0xa20 mm/memory.c:6876
 do_user_addr_fault+0x745/0x12f0 arch/x86/mm/fault.c:1394
 handle_page_fault arch/x86/mm/fault.c:1483 [inline]
 exc_page_fault+0x6f/0xd0 arch/x86/mm/fault.c:1536
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:595
RIP: 0010:copy_user_generic arch/x86/include/asm/uaccess_64.h:126 [inline]
RIP: 0010:raw_copy_to_user arch/x86/include/asm/uaccess_64.h:147 [inline]
RIP: 0010:copy_to_user_iter lib/iov_iter.c:25 [inline]
RIP: 0010:iterate_ubuf include/linux/iov_iter.h:30 [inline]
RIP: 0010:iterate_and_advance2 include/linux/iov_iter.h:302 [inline]
RIP: 0010:iterate_and_advance include/linux/iov_iter.h:330 [inline]
RIP: 0010:_copy_to_iter+0x38c/0x1720 lib/iov_iter.c:197
Code: 00 00 00 00 e9 4d ff ff ff e8 e0 c1 e3 fc 4c 8b 74 24 18 44 89 fe 4c 89 f7 e8 b0 47 56 fd 0f 01 cb 4c 89 f9 48 89 df 4c 89 f6 <f3> a4 0f 1f 00 48 89 cb 0f 01 ca 4c 89 f8 48 29 c8 48 89 44 24 08
RSP: 0018:ffffc90004b2f818 EFLAGS: 00050246
RAX: 0000000000000001 RBX: 0000200000073400 RCX: 0000000000000400
RDX: 0000000000000001 RSI: ffff888052442c00 RDI: 0000200000074000
RBP: ffffc90004b2fd88 R08: 0000000000000000 R09: ffffed100a4885ff
R10: ffff888052442fff R11: 0000000000000000 R12: 0000200000074400
R13: 00007ffffffff000 R14: ffff888052442000 R15: 0000000000001000
 copy_page_to_iter lib/iov_iter.c:374 [inline]
 copy_page_to_iter+0x285/0x370 lib/iov_iter.c:361
 copy_folio_to_iter include/linux/uio.h:204 [inline]
 filemap_read+0x7a9/0x10a0 mm/filemap.c:2875
 generic_file_read_iter+0x344/0x450 mm/filemap.c:3016
 ocfs2_file_read_iter+0x28c/0xae0 fs/ocfs2/file.c:2601
 new_sync_read fs/read_write.c:493 [inline]
 vfs_read+0x82e/0xb40 fs/read_write.c:574
 ksys_read+0x12a/0x250 fs/read_write.c:716
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd0a379e159
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:00007fd0a19f6028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fd0a3a26090 RCX: 00007fd0a379e159
RDX: 00000000fffffeb1 RSI: 0000200000000400 RDI: 0000000000000007
RBP: 00007fd0a383506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd0a3a26128 R14: 00007fd0a3a26090 R15: 00007ffef84c7848
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__ocfs2_page_mkwrite fs/ocfs2/mmap.c:106 [inline]
RIP: 0010:ocfs2_page_mkwrite+0x7b0/0xc60 fs/ocfs2/mmap.c:143
Code: 46 15 f7 ff 89 ef 89 c6 89 6c 24 28 41 89 c4 bd 00 02 00 00 e8 21 a3 d0 fd 44 39 64 24 28 0f 84 87 fc ff ff e8 61 a9 d0 fd 90 <0f> 0b e8 59 a9 d0 fd 44 89 e6 bf 00 fe ff ff e8 bc a3 d0 fd 41 81
RSP: 0018:ffffc90004b2f1c0 EFLAGS: 00010283
RAX: 0000000000056837 RBX: 1ffff92000965e3f RCX: ffffc9000f955000
RDX: 0000000000080000 RSI: ffffffff843b7f4f RDI: ffff88801fb21f40
RBP: 0000000000000200 R08: 0000000000000004 R09: 0000000000001000
R10: 00000000ffffffe2 R11: 0000000000000001 R12: 00000000ffffffe2
R13: ffff888051629660 R14: ffff8880516293f0 R15: ffff888051629688
FS:  00007fd0a19f66c0(0000) GS:ffff888123b4b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3370cff8 CR3: 000000005764d000 CR4: 0000000000350ef0
----------------
Code disassembly (best guess):
   0:	00 00                	add    %al,(%rax)
   2:	00 00                	add    %al,(%rax)
   4:	e9 4d ff ff ff       	jmp    0xffffff56
   9:	e8 e0 c1 e3 fc       	call   0xfce3c1ee
   e:	4c 8b 74 24 18       	mov    0x18(%rsp),%r14
  13:	44 89 fe             	mov    %r15d,%esi
  16:	4c 89 f7             	mov    %r14,%rdi
  19:	e8 b0 47 56 fd       	call   0xfd5647ce
  1e:	0f 01 cb             	stac
  21:	4c 89 f9             	mov    %r15,%rcx
  24:	48 89 df             	mov    %rbx,%rdi
  27:	4c 89 f6             	mov    %r14,%rsi
* 2a:	f3 a4                	rep movsb %ds:(%rsi),%es:(%rdi) <-- trapping instruction
  2c:	0f 1f 00             	nopl   (%rax)
  2f:	48 89 cb             	mov    %rcx,%rbx
  32:	0f 01 ca             	clac
  35:	4c 89 f8             	mov    %r15,%rax
  38:	48 29 c8             	sub    %rcx,%rax
  3b:	48 89 44 24 08       	mov    %rax,0x8(%rsp)