==================================================================
BUG: KASAN: slab-out-of-bounds in __swab64p include/uapi/linux/swab.h:192 [inline]
BUG: KASAN: slab-out-of-bounds in __be64_to_cpup include/uapi/linux/byteorder/little_endian.h:74 [inline]
BUG: KASAN: slab-out-of-bounds in is_tx_ready include/net/tls.h:354 [inline]
BUG: KASAN: slab-out-of-bounds in tls_write_space+0x29d/0x2d0 net/tls/tls_main.c:236
Read of size 8 at addr ffff8801c30be0b0 by task syz-executor0/21442

CPU: 0 PID: 21442 Comm: syz-executor0 Not tainted 4.19.0-rc4+ #227
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113
 print_address_description.cold.8+0x9/0x1ff mm/kasan/report.c:256
 kasan_report_error mm/kasan/report.c:354 [inline]
 kasan_report.cold.9+0x242/0x309 mm/kasan/report.c:412
 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:433
 __swab64p include/uapi/linux/swab.h:192 [inline]
 __be64_to_cpup include/uapi/linux/byteorder/little_endian.h:74 [inline]
 is_tx_ready include/net/tls.h:354 [inline]
 tls_write_space+0x29d/0x2d0 net/tls/tls_main.c:236
 tcp_new_space net/ipv4/tcp_input.c:5154 [inline]
 tcp_check_space+0x53f/0x920 net/ipv4/tcp_input.c:5165
 tcp_data_snd_check net/ipv4/tcp_input.c:5175 [inline]
 tcp_rcv_established+0xde8/0x2120 net/ipv4/tcp_input.c:5656
 tcp_v6_do_rcv+0x4b3/0x13c0 net/ipv6/tcp_ipv6.c:1326
 sk_backlog_rcv include/net/sock.h:932 [inline]
 __release_sock+0x12f/0x3a0 net/core/sock.c:2336
 release_sock+0xad/0x2c0 net/core/sock.c:2849
 sk_stream_wait_memory+0x752/0x1290 net/core/stream.c:149
 tls_sw_sendmsg+0x6bb/0x17a0 net/tls/tls_sw.c:846
 inet_sendmsg+0x1a1/0x690 net/ipv4/af_inet.c:798
 sock_sendmsg_nosec net/socket.c:621 [inline]
 sock_sendmsg+0xd5/0x120 net/socket.c:631
 __sys_sendto+0x3d7/0x670 net/socket.c:1788
 __do_sys_sendto net/socket.c:1800 [inline]
 __se_sys_sendto net/socket.c:1796 [inline]
 __x64_sys_sendto+0xe1/0x1a0 net/socket.c:1796
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457679
Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f96f4019c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f96f401a6d4 RCX: 0000000000457679
RDX: 000000000000c000 RSI: 00000000200005c0 RDI: 0000000000000004
RBP: 000000000072bf00 R08: 0000000020000000 R09: 000000000000001c
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006
R13: 00000000004d5610 R14: 00000000004c3963 R15: 0000000000000004

Allocated by task 6898:
 save_stack+0x43/0xd0 mm/kasan/kasan.c:448
 set_track mm/kasan/kasan.c:460 [inline]
 kasan_kmalloc+0xc7/0xe0 mm/kasan/kasan.c:553
 kasan_slab_alloc+0x12/0x20 mm/kasan/kasan.c:490
 kmem_cache_alloc+0x12e/0x730 mm/slab.c:3554
 getname_flags+0xd0/0x5a0 fs/namei.c:140
 user_path_at_empty+0x2d/0x50 fs/namei.c:2608
 user_path_at include/linux/namei.h:57 [inline]
 vfs_statx+0x129/0x210 fs/stat.c:185
 vfs_lstat include/linux/fs.h:3129 [inline]
 __do_sys_newlstat+0x8f/0x110 fs/stat.c:350
 __se_sys_newlstat fs/stat.c:344 [inline]
 __x64_sys_newlstat+0x54/0x80 fs/stat.c:344
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe

Freed by task 6898:
 save_stack+0x43/0xd0 mm/kasan/kasan.c:448
 set_track mm/kasan/kasan.c:460 [inline]
 __kasan_slab_free+0x102/0x150 mm/kasan/kasan.c:521
 kasan_slab_free+0xe/0x10 mm/kasan/kasan.c:528
 __cache_free mm/slab.c:3498 [inline]
 kmem_cache_free+0x83/0x290 mm/slab.c:3756
 putname+0xf2/0x130 fs/namei.c:261
 filename_lookup+0x39a/0x520 fs/namei.c:2357
 user_path_at_empty+0x40/0x50 fs/namei.c:2608
 user_path_at include/linux/namei.h:57 [inline]
 vfs_statx+0x129/0x210 fs/stat.c:185
 vfs_lstat include/linux/fs.h:3129 [inline]
 __do_sys_newlstat+0x8f/0x110 fs/stat.c:350
 __se_sys_newlstat fs/stat.c:344 [inline]
 __x64_sys_newlstat+0x54/0x80 fs/stat.c:344
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe

The buggy address belongs to the object at ffff8801c30be240
 which belongs to the cache names_cache of size 4096
The buggy address is located 400 bytes to the left of
 4096-byte region [ffff8801c30be240, ffff8801c30bf240)
The buggy address belongs to the page:
page:ffffea00070c2f80 count:1 mapcount:0 mapping:ffff8801da972d80 index:0x0 compound_mapcount: 0
flags: 0x2fffc0000008100(slab|head)
raw: 02fffc0000008100 ffffea00075f5788 ffffea00068db188 ffff8801da972d80
raw: 0000000000000000 ffff8801c30be240 0000000100000001 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff8801c30bdf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff8801c30be000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff8801c30be080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
                                     ^
 ffff8801c30be100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff8801c30be180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
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netlink: 'syz-executor3': attribute type 11 has an invalid length.