BUG: MAX_LOCK_DEPTH too low! turning off the locking correctness validator. depth: 48 max: 48! 48 locks held by syz-executor.0/12986: #0: ffff88805b0b6cb0 (sk_lock-AF_SMC){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1682 [inline] #0: ffff88805b0b6cb0 (sk_lock-AF_SMC){+.+.}-{0:0}, at: smc_sendmsg+0x49/0x5d0 net/smc/af_smc.c:2373 #1: ffff88805e7eed30 (k-sk_lock-AF_INET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1682 [inline] #1: ffff88805e7eed30 (k-sk_lock-AF_INET){+.+.}-{0:0}, at: tcp_sendmsg+0x1d/0x40 net/ipv4/tcp.c:1442 #2: ffffffff8bb83c20 (rcu_read_lock){....}-{1:2}, at: smc_fback_forward_wakeup+0x0/0x540 net/smc/af_smc.c:2892 #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: ffff8880738a7258 (&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: 12986 Comm: syz-executor.0 Not tainted 5.17.0-rc2-syzkaller-00650-g5a8fb33e5305 #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 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 __inet_stream_connect+0xca8/0xed0 net/ipv4/af_inet.c:712 tcp_sendmsg_fastopen net/ipv4/tcp.c:1162 [inline] tcp_sendmsg_locked+0x1f1f/0x3020 net/ipv4/tcp.c:1204 tcp_sendmsg+0x2b/0x40 net/ipv4/tcp.c:1443 inet_sendmsg+0x99/0xe0 net/ipv4/af_inet.c:819 smc_sendmsg+0x268/0x5d0 net/smc/af_smc.c:2391 sock_sendmsg_nosec net/socket.c:705 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:725 __sys_sendto+0x21c/0x320 net/socket.c:2040 __do_sys_sendto net/socket.c:2052 [inline] __se_sys_sendto net/socket.c:2048 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:2048 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f2af414b059 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f2af2a7e168 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f2af425e100 RCX: 00007f2af414b059 RDX: 000000000000005b RSI: 0000000020002d80 RDI: 0000000000000003 RBP: 00007f2af41a508d R08: 0000000020002e00 R09: 0000000000000010 R10: 0000000020000811 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc0718b21f R14: 00007f2af2a7e300 R15: 0000000000022000