loop5: detected capacity change from 0 to 2048
UDF-fs: INFO Mounting volume 'LiuxUDF', timestamp 2022/11/22 14:59 (1000)
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WARNING: CPU: 1 PID: 7146 at fs/udf/inode.c:1932 __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931
Modules linked in:
CPU: 1 PID: 7146 Comm: syz.5.549 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
pstate: 62400005 (nZCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931
lr : __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931
sp : ffff8000218572a0
x29: ffff8000218572c0 x28: 1ffff0000430ae96 x27: dfff800000000000
x26: 0000000000000000 x25: 0000000000000004 x24: ffff8000218574b8
x23: 0000000000000010 x22: 00000000bffffe00 x21: 1ffff0000430ae97
x20: ffff8000218574b0 x19: ffff0000e2ecbb00 x18: ffff800011b7bf60
x17: ffff800018338000 x16: ffff8000082d7e60 x15: 0000000000000002
x14: 0000000000000001 x13: 0000000000ff0100 x12: 0000000000080000
x11: 000000000007ffff x10: ffff800034b97000 x9 : ffff8000098387a4
x8 : 0000000000080000 x7 : ffff800008a8bbd8 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 00000000bffffe00
x2 : ffff800021857438 x1 : 0000000000000004 x0 : 0000000000000000
Call trace:
 __udf_add_aext+0x490/0x61c fs/udf/inode.c:1931
 udf_add_aext fs/udf/inode.c:1989 [inline]
 udf_insert_aext fs/udf/inode.c:2163 [inline]
 udf_update_extents fs/udf/inode.c:1060 [inline]
 inode_getblk fs/udf/inode.c:776 [inline]
 udf_get_block+0x2638/0x33c8 fs/udf/inode.c:359
 __block_write_begin_int+0x350/0x1388 fs/buffer.c:1991
 __block_write_begin fs/buffer.c:2041 [inline]
 block_write_begin+0x98/0x11c fs/buffer.c:2102
 udf_write_begin+0x44/0x88 fs/udf/inode.c:212
 generic_perform_write+0x234/0x4f4 mm/filemap.c:3862
 __generic_file_write_iter+0x130/0x250 mm/filemap.c:3960
 udf_file_write_iter+0x218/0x560 fs/udf/file.c:164
 call_write_iter include/linux/fs.h:2265 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x3ec/0x7f0 fs/read_write.c:584
 ksys_write+0x12c/0x224 fs/read_write.c:637
 __do_sys_write fs/read_write.c:649 [inline]
 __se_sys_write fs/read_write.c:646 [inline]
 __arm64_sys_write+0x7c/0x90 fs/read_write.c:646
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
irq event stamp: 23692
hardirqs last  enabled at (23691): [<ffff800008a8c518>] bh_lru_install fs/buffer.c:1258 [inline]
hardirqs last  enabled at (23691): [<ffff800008a8c518>] __find_get_block+0xbd0/0xddc fs/buffer.c:1309
hardirqs last disabled at (23692): [<ffff800011a1c234>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (23040): [<ffff8000081ac37c>] softirq_handle_end kernel/softirq.c:439 [inline]
softirqs last  enabled at (23040): [<ffff8000081ac37c>] handle_softirqs+0xaec/0xc60 kernel/softirq.c:624
softirqs last disabled at (23029): [<ffff800008020164>] __do_softirq+0x14/0x20 kernel/softirq.c:630
---[ end trace 0000000000000000 ]---