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
==================================================================
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold.4+0xa/0x17 lib/fault-inject.c:149
BUG: KASAN: use-after-free in tls_fill_prepend include/net/tls.h:370 [inline]
BUG: KASAN: use-after-free in tls_push_record+0x10b9/0x1480 net/tls/tls_sw.c:367
Write of size 1 at addr ffff8801b7278000 by task syz-executor180/6742

 __should_failslab+0x124/0x180 mm/failslab.c:32
 should_failslab+0x9/0x14 mm/slab_common.c:1557
 slab_pre_alloc_hook mm/slab.h:423 [inline]
 slab_alloc mm/slab.c:3378 [inline]
 __do_kmalloc mm/slab.c:3716 [inline]
 __kmalloc+0x2d4/0x760 mm/slab.c:3727
 kmalloc include/linux/slab.h:518 [inline]
 aead_request_alloc include/crypto/aead.h:425 [inline]
 tls_push_record+0x107/0x1480 net/tls/tls_sw.c:356
 tls_sw_sendmsg+0xe48/0x1310 net/tls/tls_sw.c:614
 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: 0033:0x441fc9
Code: e8 4c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 4b 04 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffffdcd6938 EFLAGS: 00000216 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007ffffdcd6960 RCX: 0000000000441fc9
RDX: 00000000fffffdef RSI: 00000000200005c0 RDI: 0000000000000003
RBP: 0000000000000005 R08: 0000000020000000 R09: 000000000000001c
R10: 0000000000000040 R11: 0000000000000216 R12: 0000000000000000
R13: ffffffffffffffff R14: 0000000000000000 R15: 0000000000000000
CPU: 0 PID: 6742 Comm: syz-executor180 Not tainted 4.19.0-rc4+ #223
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_store1_noabort+0x17/0x20 mm/kasan/report.c:435
 tls_fill_prepend include/net/tls.h:370 [inline]
 tls_push_record+0x10b9/0x1480 net/tls/tls_sw.c:367
 tls_sw_push_pending_record+0x22/0x30 net/tls/tls_sw.c:404
 tls_handle_open_record net/tls/tls_main.c:156 [inline]
 tls_sk_proto_close+0x69c/0xbb0 net/tls/tls_main.c:271
 inet_release+0x104/0x1f0 net/ipv4/af_inet.c:428
 inet6_release+0x50/0x70 net/ipv6/af_inet6.c:458
 __sock_release+0xd7/0x250 net/socket.c:579
 sock_close+0x19/0x20 net/socket.c:1141
 __fput+0x385/0xa30 fs/file_table.c:278
 ____fput+0x15/0x20 fs/file_table.c:309
 task_work_run+0x1e8/0x2a0 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:193 [inline]
 exit_to_usermode_loop+0x318/0x380 arch/x86/entry/common.c:166
 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:268 [inline]
 do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x401970
Code: 01 f0 ff ff 0f 83 d0 0a 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d bd 2e 2d 00 00 75 14 b8 03 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 a4 0a 00 00 c3 48 83 ec 08 e8 5a 01 00 00
RSP: 002b:00007ffffdcd6948 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000401970
RDX: 00000000fffffdef RSI: 00000000200005c0 RDI: 0000000000000003
RBP: 0000000000000005 R08: 0000000020000000 R09: 000000000000001c
R10: 0000000000000040 R11: 0000000000000246 R12: 0000000000000000
R13: ffffffffffffffff R14: 0000000000000000 R15: 0000000000000000

The buggy address belongs to the page:
page:ffffea0006dc9e00 count:0 mapcount:-128 mapping:0000000000000000 index:0x0
flags: 0x2fffc0000000000()
raw: 02fffc0000000000 ffffea00074a9808 ffff88021fffaef8 0000000000000000
raw: 0000000000000000 0000000000000003 00000000ffffff7f 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff8801b7277f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff8801b7277f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff8801b7278000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                   ^
 ffff8801b7278080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff8801b7278100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
page:ffffea0007626200 count:0 mapcount:-128 mapping:0000000000000000 index:0x0
flags: 0x2fffc0000000000()
raw: 02fffc0000000000 ffffea0006dc9e08 ffff88021fffaef8 0000000000000000
raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000