BUG: MAX_LOCK_DEPTH too low! turning off the locking correctness validator. depth: 48 max: 48! 48 locks held by syz-executor.5/16007: #0: ffff8880753e2170 (sk_lock-AF_SMC){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1668 [inline] #0: ffff8880753e2170 (sk_lock-AF_SMC){+.+.}-{0:0}, at: smc_sendmsg+0x4f/0x600 net/smc/af_smc.c:2373 #1: ffff8880784ca530 (k-sk_lock-AF_INET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1668 [inline] #1: ffff8880784ca530 (k-sk_lock-AF_INET){+.+.}-{0:0}, at: tcp_sendmsg+0x1e/0x40 net/ipv4/tcp.c:1443 #2: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #3: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #4: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #5: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #6: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #7: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #8: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #9: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #10: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #11: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #12: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #13: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #14: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #15: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #16: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #17: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #18: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #19: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #20: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #21: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #22: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #23: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #24: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #25: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #26: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #27: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #28: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #29: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #30: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #31: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #32: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #33: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #34: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #35: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #36: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #37: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #38: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #39: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #40: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #41: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #42: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #43: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #44: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #45: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #46: ffffffff8cb1db60 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:267 #47: ffff88802c10c258 (&ei->socket.wq.wait){..-.}-{2:2}, at: add_wait_queue+0x3d/0x260 kernel/sched/wait.c:23 INFO: lockdep is turned off. CPU: 0 PID: 16007 Comm: syz-executor.5 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+0x1dc/0x2d8 lib/dump_stack.c:106 __lock_acquire+0x1c6a/0x2b00 lock_acquire+0x19f/0x4d0 kernel/locking/lockdep.c:5639 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd1/0x120 kernel/locking/spinlock.c:162 add_wait_queue+0x3d/0x260 kernel/sched/wait.c:23 smc_fback_forward_wakeup+0x1af/0x500 net/smc/af_smc.c:617 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 smc_fback_forward_wakeup+0x1b6/0x500 net/smc/af_smc.c:618 tcp_reset+0xfb/0x1b0 net/ipv4/tcp_input.c:4314 tcp_rcv_synsent_state_process+0xc74/0x2f40 net/ipv4/tcp_input.c:6158 tcp_rcv_state_process+0x221/0x2410 net/ipv4/tcp_input.c:6422 tcp_v4_do_rcv+0x68c/0xa10 net/ipv4/tcp_ipv4.c:1741 sk_backlog_rcv include/net/sock.h:1037 [inline] __release_sock+0x1d8/0x4c0 net/core/sock.c:2779 release_sock+0x5d/0x1c0 net/core/sock.c:3311 tcp_sendmsg+0x36/0x40 net/ipv4/tcp.c:1445 smc_sendmsg+0x1b7/0x600 net/smc/af_smc.c:2391 sock_sendmsg_nosec net/socket.c:705 [inline] sock_sendmsg net/socket.c:725 [inline] ____sys_sendmsg+0x5b9/0x910 net/socket.c:2413 ___sys_sendmsg net/socket.c:2467 [inline] __sys_sendmsg+0x280/0x370 net/socket.c:2496 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xd0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fe4da337059 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:00007fe4d8c6a168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007fe4da44a100 RCX: 00007fe4da337059 RDX: 0000000024004845 RSI: 00000000200005c0 RDI: 0000000000000003 RBP: 00007fe4da39108d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffc3a736ef R14: 00007fe4d8c6a300 R15: 0000000000022000