------------[ cut here ]------------
kernel BUG at fs/buffer.c:1479!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5339 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:folio_set_bh+0x1dc/0x1e0 fs/buffer.c:1479
Code: 4c 89 e2 e8 f6 5a 98 02 e9 42 ff ff ff e8 cc 6f 6d ff 48 89 df 48 c7 c6 00 28 df 8b e8 7d b6 cf fe 90 0f 0b e8 b5 6f 6d ff 90 <0f> 0b 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f
RSP: 0018:ffffc9000e7279b0 EFLAGS: 00010283
RAX: ffffffff8258575b RBX: ffffea0001543dc0 RCX: 0000000000100000
RDX: ffffc90020802000 RSI: 0000000000000d7b RDI: 0000000000000d7c
RBP: dffffc0000000000 R08: ffffea0001543dc7 R09: 1ffffd40002a87b8
R10: dffffc0000000000 R11: fffff940002a87b9 R12: 0000000000000000
R13: 0000000000001000 R14: ffff888046ea50e8 R15: 0000000000001000
FS:  00007efedbec86c0(0000) GS:ffff88808c894000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000556bd8f3a108 CR3: 0000000012256000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 folio_alloc_buffers+0x228/0x640 fs/buffer.c:849
 grow_dev_folio fs/buffer.c:979 [inline]
 grow_buffers fs/buffer.c:1020 [inline]
 __getblk_slow fs/buffer.c:1038 [inline]
 bdev_getblk+0x2cb/0x6e0 fs/buffer.c:1358
 __bread_gfp+0x89/0x3b0 fs/buffer.c:1412
 sb_bread include/linux/buffer_head.h:346 [inline]
 omfs_fill_super+0x30d/0x1590 fs/omfs/inode.c:483
 get_tree_bdev_flags+0x431/0x4f0 fs/super.c:1694
 vfs_get_tree+0x92/0x2a0 fs/super.c:1754
 fc_mount fs/namespace.c:1193 [inline]
 do_new_mount_fc fs/namespace.c:3761 [inline]
 do_new_mount+0x341/0xd30 fs/namespace.c:3837
 do_mount fs/namespace.c:4170 [inline]
 __do_sys_mount fs/namespace.c:4386 [inline]
 __se_sys_mount+0x31d/0x420 fs/namespace.c:4363
 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: 0033:0x7efedaf9ce59
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:00007efedbec7fe8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007efedb216180 RCX: 00007efedaf9ce59
RDX: 00002000000000c0 RSI: 0000200000000080 RDI: 0000200000000040
RBP: 00007efedb032d6f R08: 0000000000000000 R09: 0000000000000000
R10: 000000000000c000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007efedb216218 R14: 00007efedb216180 R15: 00007fff604232c8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:folio_set_bh+0x1dc/0x1e0 fs/buffer.c:1479
Code: 4c 89 e2 e8 f6 5a 98 02 e9 42 ff ff ff e8 cc 6f 6d ff 48 89 df 48 c7 c6 00 28 df 8b e8 7d b6 cf fe 90 0f 0b e8 b5 6f 6d ff 90 <0f> 0b 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f
RSP: 0018:ffffc9000e7279b0 EFLAGS: 00010283
RAX: ffffffff8258575b RBX: ffffea0001543dc0 RCX: 0000000000100000
RDX: ffffc90020802000 RSI: 0000000000000d7b RDI: 0000000000000d7c
RBP: dffffc0000000000 R08: ffffea0001543dc7 R09: 1ffffd40002a87b8
R10: dffffc0000000000 R11: fffff940002a87b9 R12: 0000000000000000
R13: 0000000000001000 R14: ffff888046ea50e8 R15: 0000000000001000
FS:  00007efedbec86c0(0000) GS:ffff88808c894000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000556bd8e6c3b8 CR3: 0000000012256000 CR4: 0000000000352ef0