loop0: detected capacity change from 0 to 2048
UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000)
getblk(): invalid block size 512 requested
logical block size: 2048
CPU: 0 UID: 0 PID: 5327 Comm: syz.0.0 Not tainted 6.15.0-rc4-syzkaller-00208-g00b827f0cffa #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
 __bread_gfp+0x89/0x3c0 fs/buffer.c:1520
 sb_bread include/linux/buffer_head.h:348 [inline]
 udf_fiiter_bread_blk+0x80b/0x990 fs/udf/directory.c:160
 udf_fiiter_load_bhs+0x1a4/0x510 fs/udf/directory.c:203
 udf_fiiter_init+0x529/0x5e0 fs/udf/directory.c:280
 udf_fiiter_find_entry+0x156/0x640 fs/udf/namei.c:66
 udf_lookup+0xfd/0x240 fs/udf/namei.c:117
 lookup_open fs/namei.c:3679 [inline]
 open_last_lookups fs/namei.c:3800 [inline]
 path_openat+0x10fe/0x3830 fs/namei.c:4036
 do_filp_open+0x1fa/0x410 fs/namei.c:4066
 do_sys_openat2+0x121/0x1c0 fs/open.c:1429
 do_sys_open fs/open.c:1444 [inline]
 __do_sys_openat fs/open.c:1460 [inline]
 __se_sys_openat fs/open.c:1455 [inline]
 __x64_sys_openat+0x138/0x170 fs/open.c:1455
 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: 0033:0x7f264a98e969
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:00007f264b74a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f264abb5fa0 RCX: 00007f264a98e969
RDX: 00000000008ec942 RSI: 0000200000000040 RDI: ffffffffffffff9c
RBP: 00007f264aa10ab1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f264abb5fa0 R15: 00007fff25d03458
 </TASK>
Buffer I/O error on dev loop0, logical block 1296, lost async page write
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5327 at fs/buffer.c:1186 mark_buffer_dirty+0x2a9/0x410 fs/buffer.c:1186
Modules linked in:
CPU: 0 UID: 0 PID: 5327 Comm: syz.0.0 Not tainted 6.15.0-rc4-syzkaller-00208-g00b827f0cffa #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:mark_buffer_dirty+0x2a9/0x410 fs/buffer.c:1186
Code: 4c 89 f7 e8 79 0d de ff 49 8b 3e be 20 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 c4 34 fc ff e8 8f 18 7c ff eb 8c e8 88 18 7c ff 90 <0f> 0b 90 e9 95 fd ff ff e8 7a 18 7c ff 90 0f 0b 90 e9 bf fd ff ff
RSP: 0018:ffffc9000d55ea70 EFLAGS: 00010287
RAX: ffffffff8243a7c8 RBX: ffff8880435d2658 RCX: 0000000000100000
RDX: ffffc9000df1a000 RSI: 0000000000000da5 RDI: 0000000000000da6
RBP: ffffc9000d55ec01 R08: ffff8880435d265f R09: 1ffff110086ba4cb
R10: dffffc0000000000 R11: ffffed10086ba4cc R12: ffff888036386000
R13: ffff88801e00dba0 R14: 000000000000013b R15: dffffc0000000000
FS:  00007f264b74a6c0(0000) GS:ffff88808d6cc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000c22000 CR3: 000000003f73c000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 udf_bitmap_new_block fs/udf/balloc.c:347 [inline]
 udf_new_block+0x177c/0x1ba0 fs/udf/balloc.c:721
 inode_getblk fs/udf/inode.c:895 [inline]
 udf_map_block+0x12b1/0x42a0 fs/udf/inode.c:447
 __udf_get_block+0x52/0x250 fs/udf/inode.c:461
 __block_write_begin_int+0x6b2/0x1900 fs/buffer.c:2151
 udf_page_mkwrite+0x5be/0x8c0 fs/udf/file.c:65
 do_page_mkwrite+0x14a/0x310 mm/memory.c:3287
 wp_page_shared mm/memory.c:3688 [inline]
 do_wp_page+0x2626/0x5760 mm/memory.c:3907
 handle_pte_fault mm/memory.c:6013 [inline]
 __handle_mm_fault+0x1028/0x5380 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: 0033:0x7f264a98e969
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:00007f264b74a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000137
RAX: ffffffffffffffda RBX: 00007f264abb5fa0 RCX: 00007f264a98e969
RDX: 0000000000000001 RSI: 0000200000c22000 RDI: 0000000000000004
RBP: 00007f264aa10ab1 R08: 0000000000000001 R09: 0000000000000000
R10: 0000200000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f264abb5fa0 R15: 00007fff25d03458
 </TASK>