(syz.0.0,5311,0):ocfs2_init_global_system_inodes:476 ERROR: status = -5
(syz.0.0,5311,0):ocfs2_initialize_super:2195 ERROR: status = -5
(syz.0.0,5311,0):ocfs2_fill_super:1177 ERROR: status = -5
loop0: detected capacity change from 0 to 2048
EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
getblk(): invalid block size 2048 requested
logical block size: 32768
CPU: 0 UID: 0 PID: 5311 Comm: syz.0.0 Not tainted 6.15.0-rc4-syzkaller-00296-ge8ab83e34bdc #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 __getblk_slow fs/buffer.c:1133 [inline]
 bdev_getblk+0x59e/0x670 fs/buffer.c:1466
 ext4_sb_breadahead_unmovable+0x6f/0xf0 fs/ext4/super.c:270
 __ext4_get_inode_loc+0xcc9/0x1040 fs/ext4/inode.c:4538
 ext4_get_inode_loc fs/ext4/inode.c:4583 [inline]
 ext4_reserve_inode_write+0x191/0x330 fs/ext4/inode.c:5889
 __ext4_mark_inode_dirty+0x15b/0x700 fs/ext4/inode.c:6066
 ext4_dirty_inode+0xd0/0x110 fs/ext4/inode.c:6103
 __mark_inode_dirty+0x2ce/0xdf0 fs/fs-writeback.c:2527
 generic_update_time fs/inode.c:2064 [inline]
 inode_update_time fs/inode.c:2077 [inline]
 __file_update_time fs/inode.c:2305 [inline]
 file_update_time+0x40c/0x490 fs/inode.c:2335
 ext4_page_mkwrite+0x1f5/0x1110 fs/ext4/inode.c:6221
 do_page_mkwrite+0x14a/0x310 mm/memory.c:3287
 do_shared_fault mm/memory.c:5594 [inline]
 do_fault mm/memory.c:5656 [inline]
 do_pte_missing mm/memory.c:4160 [inline]
 handle_pte_fault mm/memory.c:5997 [inline]
 __handle_mm_fault+0x18d2/0x5380 mm/memory.c:6140
 handle_mm_fault+0x3f6/0x8c0 mm/memory.c:6309
 faultin_page mm/gup.c:1193 [inline]
 __get_user_pages+0x16f0/0x2a40 mm/gup.c:1491
 __get_user_pages_locked mm/gup.c:1757 [inline]
 __gup_longterm_locked+0x118a/0x15b0 mm/gup.c:2523
 pin_user_pages_remote+0xd4/0x120 mm/gup.c:3560
 process_vm_rw_single_vec mm/process_vm_access.c:106 [inline]
 process_vm_rw_core mm/process_vm_access.c:216 [inline]
 process_vm_rw+0x59e/0xb40 mm/process_vm_access.c:284
 __do_sys_process_vm_writev mm/process_vm_access.c:304 [inline]
 __se_sys_process_vm_writev mm/process_vm_access.c:299 [inline]
 __x64_sys_process_vm_writev+0xe0/0x100 mm/process_vm_access.c:299
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6a72b8e969
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f6a73a16038 EFLAGS: 00000246 ORIG_RAX: 0000000000000137
RAX: ffffffffffffffda RBX: 00007f6a72db5fa0 RCX: 00007f6a72b8e969
RDX: 0000000000000001 RSI: 0000200000c22000 RDI: 0000000000000004
RBP: 00007f6a72c10ab1 R08: 0000000000000001 R09: 0000000000000000
R10: 0000200000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f6a72db5fa0 R15: 00007ffd0e606cc8
 </TASK>
EXT4-fs error (device loop0): ext4_get_inode_loc:4588: inode #18: block 6: comm syz.0.0: unable to read itable block
Buffer I/O error on dev loop0, logical block 0, lost sync page write
EXT4-fs (loop0): I/O error while writing superblock
EXT4-fs error (device loop0) in ext4_reserve_inode_write:5899: IO failure
Buffer I/O error on dev loop0, logical block 0, lost sync page write
EXT4-fs (loop0): I/O error while writing superblock
EXT4-fs error (device loop0): ext4_dirty_inode:6103: inode #18: comm syz.0.0: mark_inode_dirty error
Buffer I/O error on dev loop0, logical block 0, lost sync page write
EXT4-fs (loop0): I/O error while writing superblock
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5311 at fs/ext4/inode.c:3598 ext4_dirty_folio+0x167/0x1b0 fs/ext4/inode.c:3598
Modules linked in:
CPU: 0 UID: 0 PID: 5311 Comm: syz.0.0 Not tainted 6.15.0-rc4-syzkaller-00296-ge8ab83e34bdc #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:ext4_dirty_folio+0x167/0x1b0 fs/ext4/inode.c:3598
Code: 1f 19 af ff 49 83 3f 00 74 1a e8 44 24 4d ff 4c 89 e7 48 89 de 5b 41 5c 41 5d 41 5e 41 5f 5d e9 1f 0d d1 ff e8 2a 24 4d ff 90 <0f> 0b 90 eb e0 e8 1f 24 4d ff 90 0f 0b 90 eb a7 e8 14 24 4d ff 48
RSP: 0018:ffffc9000d387ac0 EFLAGS: 00010283
RAX: ffffffff82729c26 RBX: ffffea00013138c0 RCX: 0000000000100000
RDX: ffffc9000df32000 RSI: 00000000000c9756 RDI: 00000000000c9757
RBP: 1ffffd4000262718 R08: ffffea00013138c7 R09: 1ffffd4000262718
R10: dffffc0000000000 R11: fffff94000262719 R12: ffff8880427bd450
R13: 1ffffd4000262719 R14: 0000000000000001 R15: ffffea00013138e8
FS:  00007f6a73a166c0(0000) GS:ffff88808d6cb000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000034afa4 CR3: 0000000037a6b000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 unpin_user_pages_dirty_lock+0x37d/0x510 mm/gup.c:325
 process_vm_rw_single_vec mm/process_vm_access.c:127 [inline]
 process_vm_rw_core mm/process_vm_access.c:216 [inline]
 process_vm_rw+0x85a/0xb40 mm/process_vm_access.c:284
 __do_sys_process_vm_writev mm/process_vm_access.c:304 [inline]
 __se_sys_process_vm_writev mm/process_vm_access.c:299 [inline]
 __x64_sys_process_vm_writev+0xe0/0x100 mm/process_vm_access.c:299
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6a72b8e969
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f6a73a16038 EFLAGS: 00000246 ORIG_RAX: 0000000000000137
RAX: ffffffffffffffda RBX: 00007f6a72db5fa0 RCX: 00007f6a72b8e969
RDX: 0000000000000001 RSI: 0000200000c22000 RDI: 0000000000000004
RBP: 00007f6a72c10ab1 R08: 0000000000000001 R09: 0000000000000000
R10: 0000200000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f6a72db5fa0 R15: 00007ffd0e606cc8
 </TASK>