./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3657100028

<...>
forked to background, child pid 3185
no interfaces have a carrier
[   26.280639][ T3186] 8021q: adding VLAN 0 to HW filter on device bond0
[   26.297701][ T3186] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK

syzkaller
Warning: Permanently added '10.128.1.91' (ECDSA) to the list of known hosts.
execve("./syz-executor3657100028", ["./syz-executor3657100028"], 0x7fff20df37b0 /* 10 vars */) = 0
brk(NULL)                               = 0x5555568f7000
brk(0x5555568f7c40)                     = 0x5555568f7c40
arch_prctl(ARCH_SET_FS, 0x5555568f7300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor3657100028", 4096) = 28
brk(0x555556918c40)                     = 0x555556918c40
brk(0x555556919000)                     = 0x555556919000
mprotect(0x7f720f6eb000, 16384, PROT_READ) = 0
mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000
mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000
socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 3
setsockopt(3, SOL_SOCKET, SO_REUSEPORT, [6], 4) = 0
bind(3, {sa_family=AF_INET6, sin6_port=htons(20000), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "ff01::1", &sin6_addr), sin6_scope_id=5}, 28) = 0
exit_group(0)                           = ?
syzkaller login: [   48.833504][ T3606] 
[   48.835936][ T3606] =============================
[   48.840808][ T3606] WARNING: suspicious RCU usage
[   48.845641][ T3606] 5.19.0-syzkaller-11980-ge34cfee65ec8 #0 Not tainted
[   48.852411][ T3606] -----------------------------
[   48.857244][ T3606] include/net/sock.h:592 suspicious rcu_dereference_check() usage!
[   48.865162][ T3606] 
[   48.865162][ T3606] other info that might help us debug this:
[   48.865162][ T3606] 
[   48.875415][ T3606] 
[   48.875415][ T3606] rcu_scheduler_active = 2, debug_locks = 1
[   48.883517][ T3606] 4 locks held by syz-executor365/3606:
[   48.889063][ T3606]  #0: ffff888070872610 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release+0x86/0x280
[   48.899683][ T3606]  #1: ffffc900014c9e88 (&table->hash[i].lock){+...}-{2:2}, at: udp_lib_unhash+0x1d5/0x730
[   48.909758][ T3606]  #2: ffffffff8d7bb7b8 (reuseport_lock){+...}-{2:2}, at: reuseport_detach_sock+0x22/0x4a0
[   48.919802][ T3606]  #3: ffff8880171cb3b8 (clock-AF_INET6){++..}-{2:2}, at: bpf_sk_reuseport_detach+0x26/0x190
[   48.930060][ T3606] 
[   48.930060][ T3606] stack backtrace:
[   48.935974][ T3606] CPU: 1 PID: 3606 Comm: syz-executor365 Not tainted 5.19.0-syzkaller-11980-ge34cfee65ec8 #0
[   48.946131][ T3606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
[   48.956177][ T3606] Call Trace:
[   48.959441][ T3606]  <TASK>
[   48.962377][ T3606]  dump_stack_lvl+0xcd/0x134
[   48.966964][ T3606]  bpf_sk_reuseport_detach+0x156/0x190
[   48.972433][ T3606]  reuseport_detach_sock+0x8c/0x4a0
[   48.977629][ T3606]  udp_lib_unhash+0x210/0x730
[   48.982306][ T3606]  ? udpv6_pre_connect+0x180/0x180
[   48.987410][ T3606]  sk_common_release+0xba/0x390
[   48.992261][ T3606]  inet_release+0x12e/0x270
[   48.996759][ T3606]  inet6_release+0x4c/0x70
[   49.001164][ T3606]  __sock_release+0xcd/0x280
[   49.005756][ T3606]  sock_close+0x18/0x20
[   49.009899][ T3606]  __fput+0x277/0x9d0
[   49.013883][ T3606]  ? __sock_release+0x280/0x280
[   49.018733][ T3606]  task_work_run+0xdd/0x1a0
[   49.023229][ T3606]  do_exit+0xad5/0x29b0
[   49.027387][ T3606]  ? mm_update_next_owner+0x7a0/0x7a0
[   49.032744][ T3606]  ? _raw_spin_unlock_irq+0x1f/0x40
[   49.037935][ T3606]  ? _raw_spin_unlock_irq+0x1f/0x40
[   49.043139][ T3606]  do_group_exit+0xd2/0x2f0
[   49.047648][ T3606]  __x64_sys_exit_group+0x3a/0x50
[   49.052661][ T3606]  do_syscall_64+0x35/0xb0
[   49.057064][ T3606]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   49.062967][ T3606] RIP: 0033:0x7f720f67d6a9
[   49.067380][ T3606] Code: Unable to access opcode bytes at RIP 0x7f720f67d67f.
[   49.074726][ T3606] RSP: 002b:00007fff1e600f58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
+++ exited with 0 +++
[   49.083127][ T