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.
(syz.0.0,5327,0):ocfs2_extend_trans:457 ERROR: status = -30
(syz.0.0,5327,0):ocfs2_try_to_merge_extent:3826 ERROR: status = -30
(syz.0.0,5327,0):__ocfs2_journal_access:728 ERROR: Error -30 getting 1 access to buffer!
(syz.0.0,5327,0):ocfs2_write_end_nolock:1945 ERROR: status = -30
------------[ cut here ]------------
kernel BUG at fs/ocfs2/mmap.c:106!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5327 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: b3 66 fe e9 2a fd ff ff e8 25 d7 e7 07 e8 40 95 f7 fd 4c 89 e7 48 c7 c6 e0 a3 13 8c e8 41 32 59 fd 90 0f 0b e8 29 95 f7 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:ffffc9000f5ceb60 EFLAGS: 00010283
RAX: ffffffff83cedce7 RBX: 00000000ffffffe2 RCX: 0000000000100000
RDX: ffffc9000ec82000 RSI: 000000000007fe63 RDI: 000000000007fe64
RBP: ffffc9000f5cecf0 R08: ffffffff90331df7 R09: 1ffffffff20663be
R10: dffffc0000000000 R11: fffffbfff20663bf R12: dffffc0000000000
R13: 00000000000fc000 R14: 0000000000000000 R15: 0000000000001000
FS:  00007f93249d06c0(0000) GS:ffff88808c815000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000000c0 CR3: 000000004f9fc000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 do_page_mkwrite+0x147/0x310 mm/memory.c:3684
 do_shared_fault mm/memory.c:5936 [inline]
 do_fault mm/memory.c:5998 [inline]
 do_pte_missing+0x757/0x34b0 mm/memory.c:4566
 handle_pte_fault mm/memory.c:6379 [inline]
 __handle_mm_fault mm/memory.c:6517 [inline]
 handle_mm_fault+0x1b36/0x3080 mm/memory.c:6686
 faultin_page mm/gup.c:1126 [inline]
 __get_user_pages+0x1678/0x2720 mm/gup.c:1428
 __get_user_pages_locked mm/gup.c:1692 [inline]
 __gup_longterm_locked+0x115b/0x15c0 mm/gup.c:2476
 gup_fast_fallback+0x1d8c/0x20e0 mm/gup.c:3209
 iov_iter_extract_user_pages lib/iov_iter.c:1763 [inline]
 iov_iter_extract_pages+0x369/0x5f0 lib/iov_iter.c:1826
 iov_iter_extract_bvecs+0xb1/0x920 lib/iov_iter.c:1917
 bio_iov_iter_get_pages+0x352/0x940 block/bio.c:1266
 blkdev_iov_iter_get_pages block/fops.c:49 [inline]
 __blkdev_direct_IO+0x656/0xf30 block/fops.c:219
 blkdev_direct_IO+0x122e/0x17a0 block/fops.c:435
 blkdev_read_iter+0x223/0x420 block/fops.c:814
 do_iter_readv_writev+0x612/0x8c0 fs/read_write.c:-1
 vfs_readv+0x28d/0x850 fs/read_write.c:1019
 do_preadv fs/read_write.c:1133 [inline]
 __do_sys_preadv2 fs/read_write.c:1192 [inline]
 __se_sys_preadv2+0x177/0x2a0 fs/read_write.c:1183
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9323b9ce59
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:00007f93249cffe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000147
RAX: ffffffffffffffda RBX: 00007f9323e15fa0 RCX: 00007f9323b9ce59
RDX: 0000000000000002 RSI: 0000200000000080 RDI: 0000000000000009
RBP: 00007f9323c32e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9323e16038 R14: 00007f9323e15fa0 R15: 00007ffdd1676748
 </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: b3 66 fe e9 2a fd ff ff e8 25 d7 e7 07 e8 40 95 f7 fd 4c 89 e7 48 c7 c6 e0 a3 13 8c e8 41 32 59 fd 90 0f 0b e8 29 95 f7 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:ffffc9000f5ceb60 EFLAGS: 00010283
RAX: ffffffff83cedce7 RBX: 00000000ffffffe2 RCX: 0000000000100000
RDX: ffffc9000ec82000 RSI: 000000000007fe63 RDI: 000000000007fe64
RBP: ffffc9000f5cecf0 R08: ffffffff90331df7 R09: 1ffffffff20663be
R10: dffffc0000000000 R11: fffffbfff20663bf R12: dffffc0000000000
R13: 00000000000fc000 R14: 0000000000000000 R15: 0000000000001000
FS:  00007f93249d06c0(0000) GS:ffff88808c815000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000000c0 CR3: 000000004f9fc000 CR4: 0000000000352ef0