UDF-fs: error (device loop0): udf_read_tagged: tag checksum failed, block 99: 0x27 != 0x4d
UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000)
==================================================================
BUG: KASAN: slab-out-of-bounds in udf_write_aext+0x4c0/0x668 fs/udf/inode.c:2105
Write of size 4 at addr ffff0000dcf41bf0 by task syz-executor306/4219

CPU: 1 PID: 4219 Comm: syz-executor306 Not tainted 6.1.77-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
Call trace:
 dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:284 [inline]
 print_report+0x174/0x4c0 mm/kasan/report.c:395
 kasan_report+0xd4/0x130 mm/kasan/report.c:495
 __asan_report_store_n_noabort+0x28/0x34 mm/kasan/report_generic.c:367
 udf_write_aext+0x4c0/0x668 fs/udf/inode.c:2105
 udf_add_entry+0x11e0/0x28b0 fs/udf/namei.c:482
 udf_mkdir+0x158/0x7e0 fs/udf/namei.c:681
 vfs_mkdir+0x334/0x4e4 fs/namei.c:4108
 do_mkdirat+0x220/0x510 fs/namei.c:4133
 __do_sys_mkdirat fs/namei.c:4148 [inline]
 __se_sys_mkdirat fs/namei.c:4146 [inline]
 __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4146
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x168 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

Allocated by task 3855:
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4c/0x80 mm/kasan/common.c:52
 kasan_save_alloc_info+0x24/0x30 mm/kasan/generic.c:505
 ____kasan_kmalloc mm/kasan/common.c:374 [inline]
 __kasan_kmalloc+0xac/0xc4 mm/kasan/common.c:383
 kasan_kmalloc include/linux/kasan.h:211 [inline]
 __do_kmalloc_node mm/slab_common.c:955 [inline]
 __kmalloc_node_track_caller+0xd0/0x1c0 mm/slab_common.c:975
 kmalloc_reserve net/core/skbuff.c:446 [inline]
 __alloc_skb+0x180/0x580 net/core/skbuff.c:515
 alloc_skb include/linux/skbuff.h:1276 [inline]
 alloc_uevent_skb+0x78/0x1e4 lib/kobject_uevent.c:290
 uevent_net_broadcast_untagged lib/kobject_uevent.c:326 [inline]
 kobject_uevent_net_broadcast+0x2bc/0x528 lib/kobject_uevent.c:409
 kobject_uevent_env+0x530/0x874 lib/kobject_uevent.c:593
 kobject_synth_uevent+0x818/0xa70 lib/kobject_uevent.c:208
 uevent_store+0x34/0x84 drivers/base/core.c:2656
 dev_attr_store+0x6c/0x90 drivers/base/core.c:2358
 sysfs_kf_write+0x200/0x280 fs/sysfs/file.c:136
 kernfs_fop_write_iter+0x334/0x48c fs/kernfs/file.c:330
 call_write_iter include/linux/fs.h:2249 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x610/0x914 fs/read_write.c:584
 ksys_write+0x15c/0x26c 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+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x168 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

The buggy address belongs to the object at ffff0000dcf41800
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 496 bytes to the right of
 512-byte region [ffff0000dcf41800, ffff0000dcf41a00)

The buggy address belongs to the physical page:
page:00000000efb60d4c refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11cf40
head:00000000efb60d4c order:2 compound_mapcount:0 compound_pincount:0
flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc00000010200 fffffc000365da00 dead000000000002 ffff0000c0002600
raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff0000dcf41a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff0000dcf41b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff0000dcf41b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
                                                             ^
 ffff0000dcf41c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff0000dcf41c80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================