(syz.0.0,5331,0):__ocfs2_journal_access:728 ERROR: Error -30 getting 1 access to buffer!
(syz.0.0,5331,0):ocfs2_write_end_nolock:1945 ERROR: status = -30
(syz.0.0,5331,0):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: 0 UID: 0 PID: 5331 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:__ocfs2_page_mkwrite fs/ocfs2/mmap.c:106 [inline]
RIP: 0010:ocfs2_page_mkwrite+0xb58/0xb60 fs/ocfs2/mmap.c:143
Code: 38 4d fe e9 2a fd ff ff e8 05 e6 e8 07 e8 e0 13 de fd 4c 89 e7 48 c7 c6 e0 c3 34 8c e8 c1 b0 3f fd 90 0f 0b e8 c9 13 de fd 90 <0f> 0b cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000e32f8a0 EFLAGS: 00010293
RAX: ffffffff83e86e07 RBX: 00000000ffffffe2 RCX: ffff88801af12540
RDX: 0000000000000000 RSI: 0000000000001000 RDI: 00000000ffffffe2
RBP: ffffc9000e32fa28 R08: ffffffff9057a5f7 R09: 1ffffffff20af4be
R10: dffffc0000000000 R11: fffffbfff20af4bf R12: dffffc0000000000
R13: 0000000000008000 R14: 0000000000000000 R15: 0000000000001000
FS:  0000555556f18540(0000) GS:ffff88808c54a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000008000 CR3: 00000000136b7000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 do_page_mkwrite+0x147/0x310 mm/memory.c:3684
 wp_page_shared mm/memory.c:4085 [inline]
 do_wp_page+0x1973/0x4c70 mm/memory.c:4304
 handle_pte_fault mm/memory.c:6395 [inline]
 __handle_mm_fault mm/memory.c:6517 [inline]
 handle_mm_fault+0x1490/0x3080 mm/memory.c:6686
 do_user_addr_fault+0x744/0x1340 arch/x86/mm/fault.c:1394
 handle_page_fault arch/x86/mm/fault.c:1483 [inline]
 exc_page_fault+0x6a/0xc0 arch/x86/mm/fault.c:1536
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:595
RIP: 0033:0x7f5ddcd6e749
Code: de 00 01 74 a3 83 f9 c0 0f 87 59 fe ff ff 62 e1 fe 28 6f 4e 01 48 29 fe 48 83 c7 3f 49 8d 0c 10 48 83 e7 c0 48 01 fe 48 29 f9 <f3> a4 62 c1 fe 28 7f 00 62 c1 fe 28 7f 48 01 c3 0f 1f 80 00 00 00
RSP: 002b:00007ffca22cc008 EFLAGS: 00010202
RAX: 0000200000000340 RBX: 0000000000000004 RCX: 0000000000017a83
RDX: 000000000001f743 RSI: 00007f5ddc81179b RDI: 0000200000008000
RBP: fffffffffffffffe R08: 0000200000000340 R09: 000000000000000f
R10: 000000000001f743 R11: 0000000000000002 R12: 0000000000000017
R13: 00007f5ddd025fac R14: 0000000000014e37 R15: 00007f5ddd025fa0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__ocfs2_page_mkwrite fs/ocfs2/mmap.c:106 [inline]
RIP: 0010:ocfs2_page_mkwrite+0xb58/0xb60 fs/ocfs2/mmap.c:143
Code: 38 4d fe e9 2a fd ff ff e8 05 e6 e8 07 e8 e0 13 de fd 4c 89 e7 48 c7 c6 e0 c3 34 8c e8 c1 b0 3f fd 90 0f 0b e8 c9 13 de fd 90 <0f> 0b cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000e32f8a0 EFLAGS: 00010293
RAX: ffffffff83e86e07 RBX: 00000000ffffffe2 RCX: ffff88801af12540
RDX: 0000000000000000 RSI: 0000000000001000 RDI: 00000000ffffffe2
RBP: ffffc9000e32fa28 R08: ffffffff9057a5f7 R09: 1ffffffff20af4be
R10: dffffc0000000000 R11: fffffbfff20af4bf R12: dffffc0000000000
R13: 0000000000008000 R14: 0000000000000000 R15: 0000000000001000
FS:  0000555556f18540(0000) GS:ffff88808c54a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000008000 CR3: 00000000136b7000 CR4: 0000000000352ef0