./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1431954467

<...>
DUID 00:04:c2:14:a9:3f:3d:94:29:63:70:45:79:7c:3d:d2:41:a3
forked to background, child pid 3186
[   26.552703][ T3187] 8021q: adding VLAN 0 to HW filter on device bond0
[   26.566377][ T3187] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK

syzkaller
Warning: Permanently added '10.128.1.105' (ECDSA) to the list of known hosts.
execve("./syz-executor1431954467", ["./syz-executor1431954467"], 0x7fff77ae5ec0 /* 10 vars */) = 0
brk(NULL)                               = 0x555555edc000
brk(0x555555edcc40)                     = 0x555555edcc40
arch_prctl(ARCH_SET_FS, 0x555555edc300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor1431954467", 4096) = 28
brk(0x555555efdc40)                     = 0x555555efdc40
brk(0x555555efe000)                     = 0x555555efe000
mprotect(0x7f241b308000, 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_INET, SOCK_STREAM, IPPROTO_IP) = 3
setsockopt(3, SOL_SOCKET, SO_REUSEPORT, [4100], 4) = 0
listen(3, 0)                            = 0
exit_group(0)                           = ?
syzkaller login: [   49.189372][ T3607] 
[   49.191854][ T3607] =============================
[   49.196689][ T3607] WARNING: suspicious RCU usage
[   49.201563][ T3607] 5.19.0-syzkaller-11980-ge34cfee65ec8 #0 Not tainted
[   49.208333][ T3607] -----------------------------
[   49.213225][ T3607] include/net/sock.h:592 suspicious rcu_dereference_check() usage!
[   49.221194][ T3607] 
[   49.221194][ T3607] other info that might help us debug this:
[   49.221194][ T3607] 
[   49.231452][ T3607] 
[   49.231452][ T3607] rcu_scheduler_active = 2, debug_locks = 1
[   49.239530][ T3607] 5 locks held by syz-executor143/3607:
[   49.245102][ T3607]  #0: ffff888075567410 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release+0x86/0x280
[   49.255716][ T3607]  #1: ffff888017658130 (sk_lock-AF_INET){+.+.}-{0:0}, at: tcp_close+0x1e/0xc0
[   49.264740][ T3607]  #2: ffffc900013396d8 (&h->lhash2[i].lock){+.+.}-{2:2}, at: inet_unhash+0x345/0x680
[   49.274371][ T3607]  #3: ffffffff8d7bb7b8 (reuseport_lock){+...}-{2:2}, at: reuseport_detach_sock+0x22/0x4a0
[   49.284735][ T3607]  #4: ffff8880176583b8 (clock-AF_INET){++..}-{2:2}, at: bpf_sk_reuseport_detach+0x26/0x190
[   49.294876][ T3607] 
[   49.294876][ T3607] stack backtrace:
[   49.300788][ T3607] CPU: 1 PID: 3607 Comm: syz-executor143 Not tainted 5.19.0-syzkaller-11980-ge34cfee65ec8 #0
[   49.311030][ T3607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
[   49.321087][ T3607] Call Trace:
[   49.324354][ T3607]  <TASK>
[   49.327272][ T3607]  dump_stack_lvl+0xcd/0x134
[   49.331860][ T3607]  bpf_sk_reuseport_detach+0x156/0x190
[   49.337318][ T3607]  reuseport_detach_sock+0x8c/0x4a0
[   49.342509][ T3607]  reuseport_stop_listen_sock+0x6d/0x500
[   49.348155][ T3607]  inet_unhash+0x3b1/0x680
[   49.352572][ T3607]  tcp_set_state+0x198/0x7e0
[   49.357182][ T3607]  ? tcp_wmem_schedule+0x210/0x210
[   49.362285][ T3607]  ? find_held_lock+0x2d/0x110
[   49.367039][ T3607]  ? tcp_close+0x1e/0xc0
[   49.371275][ T3607]  __tcp_close+0xbfd/0xf50
[   49.375701][ T3607]  tcp_close+0x29/0xc0
[   49.379762][ T3607]  inet_release+0x12e/0x270
[   49.384280][ T3607]  __sock_release+0xcd/0x280
[   49.388861][ T3607]  sock_close+0x18/0x20
[   49.393023][ T3607]  __fput+0x277/0x9d0
[   49.397106][ T3607]  ? __sock_release+0x280/0x280
[   49.401978][ T3607]  task_work_run+0xdd/0x1a0
[   49.406497][ T3607]  do_exit+0xad5/0x29b0
[   49.410752][ T3607]  ? mm_update_next_owner+0x7a0/0x7a0
[   49.416216][ T3607]  ? _raw_spin_unlock_irq+0x1f/0x40
[   49.421436][ T3607]  ? _raw_spin_unlock_irq+0x1f/0x40
[   49.426657][ T3607]  do_group_exit+0xd2/0x2f0
[   49.431167][ T3607]  __x64_sys_exit_group+0x3a/0x50
[   49.436194][ T3607]  do_syscall_64+0x35/0xb0
[   49.440626][ T3607]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[   49.446525][ T3607] RIP: 0033:0x7f241b29a639
[   49.450936][ T3607] Code: Unable to access opcode bytes at RIP 0x7f241b29a60f.
[   49.458294][ T3607] RSP: 002b:00007ffe349714c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   49.466727][ T3607] RAX: ffffffffffffffda RBX: 00007f241b30e270 RCX: 00007f241b29a639
[   49.474698][ T3607] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[   49.482681][ T3607] RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 0000000000000000
+++ exited with 0 +++
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