BUG: MAX_LOCK_DEPTH too low!
turning off the locking correctness validator.
depth: 48 max: 48!
48 locks held by syz-executor386/3598:
#0: ffff8880736cb210 (&sb->s_type->i_mutex_key#11){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:777 [inline]
#0: ffff8880736cb210 (&sb->s_type->i_mutex_key#11){+.+.}-{3:3}, at: __sock_release+0x86/0x280 net/socket.c:649
#1: ffff8880768589f8 (&smc->clcsock_release_lock){+.+.}-{3:3}, at: smc_clcsock_release+0x71/0xe0 net/smc/smc_close.c:30
#2: ffff888022f61930 (k-sk_lock-AF_INET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1668 [inline]
#2: ffff888022f61930 (k-sk_lock-AF_INET){+.+.}-{0:0}, at: tcp_close+0x1e/0xc0 net/ipv4/tcp.c:2921
#3: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#4: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#5: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#6: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#7: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#8: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#9: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#10: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#11: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#12: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#13: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#14: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#15: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#16: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#17: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#18: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#19: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#20: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#21: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#22: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#23: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#24: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#25: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#26: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#27: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#28: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#29: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#30: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#31: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#32: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#33: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#34: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#35: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#36: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#37: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#38: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#39: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#40: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#41: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#42: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#43: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#44: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#45: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#46: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2890
#47: ffff8880736cb658 (&ei->socket.wq.wait){..-.}-{2:2}, at: add_wait_queue+0x42/0x260 kernel/sched/wait.c:23
INFO: lockdep is turned off.
CPU: 0 PID: 3598 Comm: syz-executor386 Not tainted 5.17.0-rc2-syzkaller-00167-gdcb85f85fa6f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
__lock_acquire+0x18fd/0x5470 kernel/locking/lockdep.c:5045
lock_acquire kernel/locking/lockdep.c:5639 [inline]
lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5604
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:162
add_wait_queue+0x42/0x260 kernel/sched/wait.c:23
smc_fback_forward_wakeup+0x15b/0x540 net/smc/af_smc.c:617
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
smc_fback_forward_wakeup+0x161/0x540 net/smc/af_smc.c:618
smc_fback_error_report+0x82/0xa0 net/smc/af_smc.c:664
sk_error_report+0x35/0x310 net/core/sock.c:340
tcp_disconnect+0x14e3/0x1e80 net/ipv4/tcp.c:3096
__tcp_close+0xe65/0x12b0 net/ipv4/tcp.c:2792
tcp_close+0x29/0xc0 net/ipv4/tcp.c:2922
inet_release+0x12e/0x280 net/ipv4/af_inet.c:428
__sock_release net/socket.c:650 [inline]
sock_release+0x87/0x1b0 net/socket.c:678
smc_clcsock_release+0xb3/0xe0 net/smc/smc_close.c:34
__smc_release+0x35e/0x5b0 net/smc/af_smc.c:172
smc_release+0x17f/0x530 net/smc/af_smc.c:209
__sock_release+0xcd/0x280 net/socket.c:650
sock_close+0x18/0x20 net/socket.c:1318
__fput+0x286/0x9f0 fs/file_table.c:311
task_work_run+0xdd/0x1a0 kernel/task_work.c:164
exit_task_work include/linux/task_work.h:32 [inline]
do_exit+0xb29/0x2a30 kernel/exit.c:806
do_group_exit+0xd2/0x2f0 kernel/exit.c:935
get_signal+0x4b0/0x28c0 kernel/signal.c:2862
arch_do_signal_or_restart+0x2a9/0x1c40 arch/x86/kernel/signal.c:868
handle_signal_work kernel/entry/common.c:148 [inline]
exit_to_user_mode_loop kernel/entry/common.c:172 [inline]
exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:207
__syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline]
syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:300
do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f5ed77049a9
Code: Unable to access opcode bytes at RIP 0x7f5ed770497f.
RSP: 002b:00007f5ed7695318 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f5ed778c3f8 RCX: 00007f5ed77049a9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f5ed778c3f8
RBP: 00007f5ed778c3f0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5ed775a074
R13: 00007ffd5ec7174f R14: 00007f5ed7695400 R15: 0000000000022000
</TASK>