REISERFS (device loop3): Created .reiserfs_priv - reserved for xattr storage.
UDF-fs: bad mount option "./file0" or missing value
UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000)
UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000)
==================================================================
BUG: KASAN: slab-out-of-bounds in udf_write_aext+0x780/0x860 fs/udf/inode.c:2065
Write of size 4 at addr ffff888099ced0b0 by task syz-executor.4/9115

CPU: 1 PID: 9115 Comm: syz-executor.4 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
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 mm/kasan/report.c:412 [inline]
 __asan_report_store_n_noabort+0x8b/0xa0 mm/kasan/report.c:449
 udf_write_aext+0x780/0x860 fs/udf/inode.c:2065
 udf_add_entry+0xdab/0x2a20 fs/udf/namei.c:496
 udf_mkdir+0x145/0x650 fs/udf/namei.c:693
 vfs_mkdir+0x508/0x7a0 fs/namei.c:3819
 do_mkdirat+0x262/0x2d0 fs/namei.c:3842
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fe0d43ac0c9
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:00007fe0d291e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007fe0d44cbf80 RCX: 00007fe0d43ac0c9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000300
RBP: 00007fe0d4407ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffe79b3d0f R14: 00007fe0d291e300 R15: 0000000000022000

Allocated by task 9115:
 __do_kmalloc mm/slab.c:3727 [inline]
 __kmalloc+0x15a/0x3c0 mm/slab.c:3736
 kmalloc include/linux/slab.h:520 [inline]
 kzalloc include/linux/slab.h:709 [inline]
 udf_new_inode+0x220/0xf30 fs/udf/ialloc.c:75
 udf_mkdir+0xa8/0x650 fs/udf/namei.c:686
 vfs_mkdir+0x508/0x7a0 fs/namei.c:3819
 do_mkdirat+0x262/0x2d0 fs/namei.c:3842
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe

Freed by task 8399:
 __cache_free mm/slab.c:3503 [inline]
 kfree+0xcc/0x210 mm/slab.c:3822
 skb_free_head net/core/skbuff.c:563 [inline]
 skb_release_data+0x6de/0x920 net/core/skbuff.c:583
 skb_release_all net/core/skbuff.c:640 [inline]
 __kfree_skb net/core/skbuff.c:654 [inline]
 consume_skb+0x113/0x3d0 net/core/skbuff.c:714
 netlink_unicast_kernel net/netlink/af_netlink.c:1326 [inline]
 netlink_unicast+0x4dd/0x690 net/netlink/af_netlink.c:1351
 netlink_sendmsg+0x6c3/0xc50 net/netlink/af_netlink.c:1917
 sock_sendmsg_nosec net/socket.c:651 [inline]
 sock_sendmsg+0xc3/0x120 net/socket.c:661
 ___sys_sendmsg+0x7bb/0x8e0 net/socket.c:2227
 __sys_sendmsg net/socket.c:2265 [inline]
 __do_sys_sendmsg net/socket.c:2274 [inline]
 __se_sys_sendmsg net/socket.c:2272 [inline]
 __x64_sys_sendmsg+0x132/0x220 net/socket.c:2272
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe

The buggy address belongs to the object at ffff888099ced0c0
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 16 bytes to the left of
 512-byte region [ffff888099ced0c0, ffff888099ced2c0)
The buggy address belongs to the page:
page:ffffea0002673b40 count:1 mapcount:0 mapping:ffff88813bff0940 index:0xffff888099ced840
flags: 0xfff00000000100(slab)
raw: 00fff00000000100 ffffea0002638f08 ffffea00026d8d08 ffff88813bff0940
raw: ffff888099ced840 ffff888099ced0c0 0000000100000004 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff888099cecf80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff888099ced000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888099ced080: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00
                                     ^
 ffff888099ced100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff888099ced180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================