BUG: MAX_LOCK_DEPTH too low! turning off the locking correctness validator. depth: 48 max: 48! 48 locks held by syz-executor396/3622: #0: ffff888073b6d610 (&sb->s_type->i_mutex_key#11){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:777 [inline] #0: ffff888073b6d610 (&sb->s_type->i_mutex_key#11){+.+.}-{3:3}, at: __sock_release+0x86/0x280 net/socket.c:649 #1: ffff88801d4a9f78 (&smc->clcsock_release_lock){+.+.}-{3:3}, at: smc_clcsock_release+0x71/0xe0 net/smc/smc_close.c:30 #2: ffff88807af31930 (k-sk_lock-AF_INET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1682 [inline] #2: ffff88807af31930 (k-sk_lock-AF_INET){+.+.}-{0:0}, at: tcp_close+0x1e/0xc0 net/ipv4/tcp.c:2920 #3: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #4: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #5: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #6: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #7: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #8: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #9: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #10: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #11: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #12: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #13: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #14: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #15: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #16: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #17: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #18: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #19: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #20: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #21: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #22: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #23: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #24: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #25: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #26: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #27: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #28: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #29: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #30: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #31: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #32: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #33: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #34: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #35: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #36: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #37: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #38: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #39: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #40: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #41: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #42: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #43: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #44: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #45: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #46: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #47: ffff888073b6da58 (&ei->socket.wq.wait){..-.}-{2:2}, at: add_wait_queue+0x42/0x260 kernel/sched/wait.c:23 INFO: lockdep is turned off. CPU: 1 PID: 3622 Comm: syz-executor396 Not tainted 5.17.0-rc2-syzkaller-00589-g41414c9bdbb8 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __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:3095 __tcp_close+0xe65/0x12b0 net/ipv4/tcp.c:2791 tcp_close+0x29/0xc0 net/ipv4/tcp.c:2921 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: 0033:0x7f0da5d3da59 Code: Unable to access opcode bytes at RIP 0x7f0da5d3da2f. RSP: 002b:00007f0da5cef318 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f0da5dc53e8 RCX: 00007f0da5d3da59 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f0da5dc53e8 RBP: 00007f0da5dc53e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0da5d93074 R13: 00007ffe334df0ef R14: 00007f0da5cef400 R15: 0000000000022000