======================================================
UDF-fs: error (device loop0): udf_read_tagged: tag checksum failed, block 96: 0x73 != 0x9b
UDF-fs: error (device loop0): udf_process_sequence: Primary Volume Descriptor not found!
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 ffff888095abe570 by task syz-executor157/8108

CPU: 1 PID: 8108 Comm: syz-executor157 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 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: 0033:0x7f0fd2d6de37
Code: ff ff ff ff c3 66 0f 1f 44 00 00 48 c7 c0 c0 ff ff ff 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc5e7f0828 EFLAGS: 00000286 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00005555574972c0 RCX: 00007f0fd2d6de37
RDX: 0000000001280000 RSI: 00000000000001ff RDI: 0000000020000080
RBP: 00000000ffffffff R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000286 R12: 0000000020000080
R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffc5e7f08c0

Allocated by task 8094:
 __do_kmalloc_node mm/slab.c:3689 [inline]
 __kmalloc_node_track_caller+0x4c/0x70 mm/slab.c:3703
 __kmalloc_reserve net/core/skbuff.c:137 [inline]
 __alloc_skb+0xae/0x560 net/core/skbuff.c:205
 __napi_alloc_skb+0x74/0x300 net/core/skbuff.c:478
 napi_alloc_skb include/linux/skbuff.h:2724 [inline]
 page_to_skb+0x76/0xa70 drivers/net/virtio_net.c:396
 receive_mergeable drivers/net/virtio_net.c:951 [inline]
 receive_buf+0x2ab4/0x6780 drivers/net/virtio_net.c:1061
 virtnet_receive drivers/net/virtio_net.c:1352 [inline]
 virtnet_poll+0x568/0xe00 drivers/net/virtio_net.c:1457
 napi_poll net/core/dev.c:6280 [inline]
 net_rx_action+0x4ac/0xfb0 net/core/dev.c:6346
 __do_softirq+0x265/0x980 kernel/softirq.c:292

Freed by task 8094:
 __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]
 kfree_skb_partial+0x7e/0xa0 net/core/skbuff.c:4857
 tcp_rcv_established+0x1b89/0x1ef0 net/ipv4/tcp_input.c:5649
 tcp_v4_do_rcv+0x5d6/0x870 net/ipv4/tcp_ipv4.c:1547
 tcp_v4_rcv+0x2c03/0x3b80 net/ipv4/tcp_ipv4.c:1832
 ip_local_deliver_finish+0x495/0xc00 net/ipv4/ip_input.c:215
 NF_HOOK include/linux/netfilter.h:289 [inline]
 ip_local_deliver+0x188/0x500 net/ipv4/ip_input.c:256
 dst_input include/net/dst.h:461 [inline]
 ip_rcv_finish+0x1ca/0x2e0 net/ipv4/ip_input.c:414
 NF_HOOK include/linux/netfilter.h:289 [inline]
 ip_rcv+0xca/0x3c0 net/ipv4/ip_input.c:524
 __netif_receive_skb_one_core+0x114/0x180 net/core/dev.c:4954
 __netif_receive_skb+0x27/0x1c0 net/core/dev.c:5066
 netif_receive_skb_internal+0xf0/0x3f0 net/core/dev.c:5156
 napi_skb_finish net/core/dev.c:5601 [inline]
 napi_gro_receive+0x2e6/0x450 net/core/dev.c:5632
 receive_buf+0xc2c/0x6780 drivers/net/virtio_net.c:1088
 virtnet_receive drivers/net/virtio_net.c:1352 [inline]
 virtnet_poll+0x568/0xe00 drivers/net/virtio_net.c:1457
 napi_poll net/core/dev.c:6280 [inline]
 net_rx_action+0x4ac/0xfb0 net/core/dev.c:6346
 __do_softirq+0x265/0x980 kernel/softirq.c:292

The buggy address belongs to the object at ffff888095abe300
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 112 bytes to the right of
 512-byte region [ffff888095abe300, ffff888095abe500)
The buggy address belongs to the page:
page:ffffea000256af80 count:1 mapcount:0 mapping:ffff88813bff0940 index:0x0
flags: 0xfff00000000100(slab)
raw: 00fff00000000100 ffffea0002cda6c8 ffffea000256a248 ffff88813bff0940
raw: 0000000000000000 ffff888095abe080 0000000100000006 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff888095abe400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888095abe480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff888095abe500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
                                                             ^
 ffff888095abe580: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff888095abe600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================