BUG: MAX_LOCK_DEPTH too low! turning off the locking correctness validator. depth: 48 max: 48! 48 locks held by syz-executor.2/24778: #0: ffff88805d7ab210 (&sb->s_type->i_mutex_key#11){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:777 [inline] #0: ffff88805d7ab210 (&sb->s_type->i_mutex_key#11){+.+.}-{3:3}, at: __sock_release+0x86/0x280 net/socket.c:649 #1: ffff8880468a4a78 (&smc->clcsock_release_lock){+.+.}-{3:3}, at: smc_clcsock_release+0x71/0xe0 net/smc/smc_close.c:30 #2: ffff88807dc4d530 (k-sk_lock-AF_INET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1668 [inline] #2: ffff88807dc4d530 (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: ffff88805d7ab658 (&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: 24778 Comm: syz-executor.2 Not tainted 5.17.0-rc3-syzkaller-00043-gf4bc5bbb5fef #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: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:313 task_work_run+0xdd/0x1a0 kernel/task_work.c:164 tracehook_notify_resume include/linux/tracehook.h:188 [inline] exit_to_user_mode_loop kernel/entry/common.c:175 [inline] exit_to_user_mode_prepare+0x27e/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_fast_syscall_32+0x72/0xf0 arch/x86/entry/common.c:181 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:203 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c RIP: 0023:0xf6f4f549 Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f75e0b20 EFLAGS: 00000286 ORIG_RAX: 0000000000000006 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000002 RDX: 0000000000000000 RSI: 00000000f7087000 RDI: 000000000019ae13 RBP: 00000000f70ad0a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess): 0: 03 74 c0 01 add 0x1(%rax,%rax,8),%esi 4: 10 05 03 74 b8 01 adc %al,0x1b87403(%rip) # 0x1b8740d a: 10 06 adc %al,(%rsi) c: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 10: 10 07 adc %al,(%rdi) 12: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi 16: 10 08 adc %cl,(%rax) 18: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1c: 00 00 add %al,(%rax) 1e: 00 00 add %al,(%rax) 20: 00 51 52 add %dl,0x52(%rcx) 23: 55 push %rbp 24: 89 e5 mov %esp,%ebp 26: 0f 34 sysenter 28: cd 80 int $0x80 * 2a: 5d pop %rbp <-- trapping instruction 2b: 5a pop %rdx 2c: 59 pop %rcx 2d: c3 retq 2e: 90 nop 2f: 90 nop 30: 90 nop 31: 90 nop 32: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 39: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi