UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000)
==================================================================
BUG: KASAN: slab-out-of-bounds in memcpy include/linux/string.h:377 [inline]
BUG: KASAN: slab-out-of-bounds in udf_find_entry+0xa33/0x1070 fs/udf/namei.c:251
Write of size 229 at addr ffff888094d4119a by task syz-executor.2/2106

CPU: 1 PID: 2106 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 print_address_description.cold+0x54/0x219 mm/kasan/report.c:256
 kasan_report_error.cold+0x8a/0x1b9 mm/kasan/report.c:354
 kasan_report+0x8f/0xa0 mm/kasan/report.c:412
 memcpy+0x35/0x50 mm/kasan/kasan.c:303
 memcpy include/linux/string.h:377 [inline]
 udf_find_entry+0xa33/0x1070 fs/udf/namei.c:251
 udf_lookup fs/udf/namei.c:322 [inline]
 udf_lookup+0x156/0x270 fs/udf/namei.c:296
 lookup_open+0x698/0x1a20 fs/namei.c:3214
 do_last fs/namei.c:3327 [inline]
 path_openat+0x1094/0x2df0 fs/namei.c:3537
 do_filp_open+0x18c/0x3f0 fs/namei.c:3567
 do_sys_open+0x3b3/0x520 fs/open.c:1085
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fc47c3540d9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc4725a5168 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fc47c474050 RCX: 00007fc47c3540d9
RDX: 000000000000275a RSI: 0000000020000080 RDI: ffffffffffffff9c
RBP: 00007fc47c3afae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc4cc42c1f R14: 00007fc4725a5300 R15: 0000000000022000

Allocated by task 2106:
 kmem_cache_alloc_trace+0x12f/0x380 mm/slab.c:3625
 kmalloc include/linux/slab.h:515 [inline]
 udf_find_entry+0xa82/0x1070 fs/udf/namei.c:241
 udf_lookup fs/udf/namei.c:322 [inline]
 udf_lookup+0x156/0x270 fs/udf/namei.c:296
 lookup_open+0x698/0x1a20 fs/namei.c:3214
 do_last fs/namei.c:3327 [inline]
 path_openat+0x1094/0x2df0 fs/namei.c:3537
 do_filp_open+0x18c/0x3f0 fs/namei.c:3567
 do_sys_open+0x3b3/0x520 fs/open.c:1085
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe

Freed by task 9359:
 __cache_free mm/slab.c:3503 [inline]
 kfree+0xcc/0x210 mm/slab.c:3822
 batadv_iv_send_outstanding_bat_ogm_packet+0x2bd/0x7a0 net/batman-adv/bat_iv_ogm.c:1877
 process_one_work+0x864/0x1570 kernel/workqueue.c:2153
 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415

The buggy address belongs to the object at ffff888094d41180
 which belongs to the cache kmalloc-256 of size 256
The buggy address is located 26 bytes inside of
 256-byte region [ffff888094d41180, ffff888094d41280)
The buggy address belongs to the page:
page:ffffea0002535040 count:1 mapcount:0 mapping:ffff88813bff07c0 index:0xffff888094d41400
flags: 0xfff00000000100(slab)
raw: 00fff00000000100 ffffea0002cc2288 ffffea0002aa7108 ffff88813bff07c0
raw: ffff888094d41400 ffff888094d41040 000000010000000b 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff888094d41100: 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff888094d41180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff888094d41200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 06
                                                                ^
 ffff888094d41280: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00
 ffff888094d41300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000)
netlink: 'syz-executor.5': attribute type 6 has an invalid length.