UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000)
9pnet: Insufficient options for proto=fd
9pnet: Insufficient options for proto=fd
==================================================================
BUG: KASAN: slab-out-of-bounds in udf_write_aext+0x780/0x860 fs/udf/inode.c:2065
Write of size 4 at addr ffff8880b1414930 by task syz-executor.4/19847

CPU: 0 PID: 19847 Comm: syz-executor.4 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
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: 0033:0x7f518db040f9
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:00007f518c076168 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007f518dc23f80 RCX: 00007f518db040f9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000300
RBP: 00007f518db5fae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd7ac1103f R14: 00007f518c076300 R15: 0000000000022000

Allocated by task 19897:
 __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
 alloc_skb_fclone include/linux/skbuff.h:1037 [inline]
 sk_stream_alloc_skb+0xba/0x850 net/ipv4/tcp.c:884
 tcp_sendmsg_locked+0xc0b/0x2f60 net/ipv4/tcp.c:1312
 tcp_sendmsg+0x2b/0x40 net/ipv4/tcp.c:1462
 inet_sendmsg+0x132/0x5a0 net/ipv4/af_inet.c:798
 sock_sendmsg_nosec net/socket.c:651 [inline]
 sock_sendmsg+0xc3/0x120 net/socket.c:661
 __sys_sendto+0x21a/0x320 net/socket.c:1899
 __do_sys_sendto net/socket.c:1911 [inline]
 __se_sys_sendto net/socket.c:1907 [inline]
 __x64_sys_sendto+0xdd/0x1b0 net/socket.c:1907
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe

Freed by task 2889:
 __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+0x46/0x60 net/core/skbuff.c:654
 sk_eat_skb include/net/sock.h:2430 [inline]
 tcp_read_sock+0x3f3/0x730 net/ipv4/tcp.c:1696
 rds_tcp_read_sock net/rds/tcp_recv.c:276 [inline]
 rds_tcp_data_ready+0x241/0x690 net/rds/tcp_recv.c:325
 tcp_data_ready+0x2f9/0x4e0 net/ipv4/tcp_input.c:4718
 tcp_rcv_established+0x191e/0x1ef0 net/ipv4/tcp_input.c:5650
 tcp_v6_do_rcv+0xe1e/0x1370 net/ipv6/tcp_ipv6.c:1348
 sk_backlog_rcv include/net/sock.h:952 [inline]
 __release_sock+0x134/0x3a0 net/core/sock.c:2362
 release_sock+0x54/0x1b0 net/core/sock.c:2901
 tcp_sendpage+0x90/0xd0 net/ipv4/tcp.c:1117
 inet_sendpage+0x164/0x650 net/ipv4/af_inet.c:815
 rds_tcp_xmit+0x2d0/0x9a0 net/rds/tcp_send.c:123
 rds_send_xmit+0xf76/0x2290 net/rds/send.c:355
 rds_send_worker+0x86/0x280 net/rds/threads.c:199
 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 ffff8880b14144c0
 which belongs to the cache kmalloc-1024 of size 1024
The buggy address is located 112 bytes to the right of
 1024-byte region [ffff8880b14144c0, ffff8880b14148c0)
The buggy address belongs to the page:
page:ffffea0002c50500 count:1 mapcount:0 mapping:ffff88813bff0ac0 index:0x0 compound_mapcount: 0
flags: 0xfff00000008100(slab|head)
raw: 00fff00000008100 ffffea0002458108 ffffea0002c55988 ffff88813bff0ac0
raw: 0000000000000000 ffff8880b1414040 0000000100000007 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff8880b1414800: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff8880b1414880: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
>ffff8880b1414900: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00
                                     ^
 ffff8880b1414980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff8880b1414a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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