Warning: Permanently added '10.128.0.209' (ECDSA) to the list of known hosts.
executing program
write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
syzkaller login: [   76.998838][ T8413] netlink: 'syz-executor730': attribute type 4 has an invalid length.
executing program
write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[   83.065934][ T8414] netlink: 'syz-executor730': attribute type 4 has an invalid length.
executing program
write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory
[   89.154142][ T8415] netlink: 'syz-executor730': attribute type 4 has an invalid length.
[   95.117799][ T8412] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak)
BUG: memory leak
unreferenced object 0xffff888110b84920 (size 32):
  comm "syz-executor730", pid 8413, jiffies 4294944962 (age 20.240s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    01 00 00 00 00 00 00 00 00 00 00 00 00 00 02 00  ................
  backtrace:
    [<000000002acd60c4>] ip_mc_add_src+0x348/0x450
    [<0000000047b4b203>] ip_mc_source+0x3d4/0x610
    [<000000000b19c0a7>] ip_setsockopt+0x15d8/0x1f70
    [<00000000a3acdddc>] tcp_setsockopt+0x70/0x13f0
    [<00000000c7a3bf66>] __sys_setsockopt+0x1b0/0x360
    [<00000000fc7e916e>] __x64_sys_setsockopt+0x22/0x30
    [<0000000023b21ac4>] do_syscall_64+0x2d/0x70
    [<00000000448966b9>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

write to /proc/sys/kernel/hung_task_check_interval_secs failed: No such file or directory
write to /proc/sys/kernel/softlockup_all_cpu_backtrace failed: No such file or directory