EXT4-fs (loop3): feature flags set on rev 0 fs, running e2fsck is recommended
EXT4-fs (loop3): Couldn't mount because of unsupported optional features (e1028)
TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies.  Check SNMP counters.
==================================================================
BUG: KASAN: use-after-free in tls_fill_prepend include/net/tls.h:379 [inline]
BUG: KASAN: use-after-free in tls_push_record+0x104c/0x1370 net/tls/tls_sw.c:220
Write of size 1 at addr ffff88804f980d5e by task syz-executor.3/11394

CPU: 0 PID: 11394 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0
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+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_store1_noabort+0x88/0x90 mm/kasan/report.c:435
 tls_fill_prepend include/net/tls.h:379 [inline]
 tls_push_record+0x104c/0x1370 net/tls/tls_sw.c:220
 tls_handle_open_record net/tls/tls_main.c:156 [inline]
 tls_sk_proto_close+0x8cf/0xc20 net/tls/tls_main.c:271
 inet_release+0xd7/0x1e0 net/ipv4/af_inet.c:427
 inet6_release+0x4c/0x70 net/ipv6/af_inet6.c:472
 __sock_release+0xcd/0x2a0 net/socket.c:599
 sock_close+0x15/0x20 net/socket.c:1214
 __fput+0x2ce/0x890 fs/file_table.c:278
 task_work_run+0x148/0x1c0 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0xbf3/0x2be0 kernel/exit.c:870
 do_group_exit+0x125/0x310 kernel/exit.c:967
 get_signal+0x3f2/0x1f70 kernel/signal.c:2589
 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799
 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163
 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
 syscall_return_slowpath+0x3f0/0x4a0 arch/x86/entry/common.c:271
 ret_from_fork+0x15/0x30 arch/x86/entry/entry_64.S:407
RIP: 0033:0x7fcf661ce471
Code: Bad RIP value.
RSP: 002b:00007fcf648cf2f0 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: 0000000000000000 RBX: 00007fcf648cf700 RCX: 00007fcf661ce471
RDX: 00007fcf648cf9d0 RSI: 00007fcf648cf2f0 RDI: 00000000003d0f00
RBP: 00007ffe5e150170 R08: 00007fcf648cf700 R09: 00007fcf648cf700
R10: 00007fcf648cf9d0 R11: 0000000000000206 R12: 00007ffe5e14ffde
R13: 00007ffe5e14ffdf R14: 00007fcf648cf300 R15: 0000000000022000

The buggy address belongs to the page:
page:ffffea00013e6000 count:0 mapcount:-128 mapping:0000000000000000 index:0x0
flags: 0xfff00000000000()
raw: 00fff00000000000 ffffea0002cc7e08 ffffea00026f6608 0000000000000000
raw: 0000000000000000 0000000000000003 00000000ffffff7f 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff88804f980c00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff88804f980c80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>ffff88804f980d00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                                                    ^
 ffff88804f980d80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff88804f980e00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
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