[ 9847.851077] run fstests generic/131 at 2022-08-19 23:36:25
[ 9848.387188] BTRFS info (device dm-0): using crc32c (crc32c-intel) checksum algorithm
[ 9848.387197] BTRFS info (device dm-0): using free space tree

[ 9849.584343] =============================
[ 9849.584344] WARNING: suspicious RCU usage
[ 9849.584346] 6.0.0-rc1+ #802 Not tainted
[ 9849.584348] -----------------------------
[ 9849.584349] include/net/sock.h:592 suspicious rcu_dereference_check() usage!
[ 9849.584351] 
               other info that might help us debug this:

[ 9849.584353] 
               rcu_scheduler_active = 2, debug_locks = 1
[ 9849.584356] 5 locks held by locktest/1322707:
[ 9849.584358]  #0: ffff8c0c5537bb90 (&sb->s_type->i_mutex_key#9){+.+.}-{3:3}, at: __sock_release+0x2d/0xb0
[ 9849.584374]  #1: ffff8c0c4539d1b0 (sk_lock-AF_INET){+.+.}-{0:0}, at: tcp_close+0x15/0x70
[ 9849.584387]  #2: ffff8c0c417129f0 (&h->lhash2[i].lock){+.+.}-{2:2}, at: inet_unhash+0x9e/0x110
[ 9849.584395]  #3: ffffffff87f49ad8 (reuseport_lock){+...}-{2:2}, at: reuseport_detach_sock+0x16/0x160
[ 9849.584406]  #4: ffff8c0c4539d438 (clock-AF_INET){++..}-{2:2}, at: bpf_sk_reuseport_detach+0x1b/0xa0
[ 9849.584419] 
               stack backtrace:
[ 9849.584422] CPU: 1 PID: 1322707 Comm: locktest Not tainted 6.0.0-rc1+ #802
[ 9849.584424] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.13.0-2.fc32 04/01/2014
[ 9849.584429] Call Trace:
[ 9849.584431]  
[ 9849.584433]  dump_stack_lvl+0x56/0x73
[ 9849.584443]  bpf_sk_reuseport_detach+0x93/0xa0
[ 9849.584447]  reuseport_detach_sock+0x43/0x160
[ 9849.584451]  inet_unhash+0xbb/0x110
[ 9849.584454]  tcp_set_state+0x56/0x1e0
[ 9849.584463]  __tcp_close+0x3d5/0x490
[ 9849.584467]  tcp_close+0x20/0x70
[ 9849.584470]  inet_release+0x3c/0x80
[ 9849.584475]  __sock_release+0x3a/0xb0
[ 9849.584479]  sock_close+0x14/0x20
[ 9849.584481]  __fput+0xa2/0x260
[ 9849.584489]  task_work_run+0x59/0xa0
[ 9849.584497]  exit_to_user_mode_prepare+0x232/0x260
[ 9849.584504]  syscall_exit_to_user_mode+0x16/0x50
[ 9849.584510]  do_syscall_64+0x48/0x90
[ 9849.584514]  entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 9849.584519] RIP: 0033:0x7f91316e6c97
[ 9849.584524] Code: 00 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 41 c3 48 83 ec 18 89 7c 24 0c e8 83 fb ff ff
[ 9849.584526] RSP: 002b:00007ffe23c93ff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003
[ 9849.584529] RAX: 0000000000000000 RBX: 00007f91316bd598 RCX: 00007f91316e6c97
[ 9849.584531] RDX: 0000000000401a70 RSI: 0000000000000000 RDI: 0000000000000004
[ 9849.584532] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001
[ 9849.584533] R10: fffffffffffff9c9 R11: 0000000000000246 R12: 0000000000000000
[ 9849.584535] R13: 0000000000000002 R14: 00007f91316bf968 R15: 00007f91316bf980
[ 9849.584547]  
[ 9850.098479] BTRFS info (device dm-0): using crc32c (crc32c-intel) checksum algorithm
[ 9850.098490] BTRFS info (device dm-0): turning on async discard
[ 9850.098492] BTRFS info (device dm-0): using free space tree