Warning: Permanently added '10.128.1.22' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 83.060214][ T9008] ------------[ cut here ]------------ [ 83.065690][ T9008] DEBUG_LOCKS_WARN_ON(class_idx > MAX_LOCKDEP_KEYS) [ 83.065766][ T9008] WARNING: CPU: 0 PID: 9008 at kernel/locking/lockdep.c:3764 __lock_acquire+0x17b5/0x5490 [ 83.082301][ T9008] Kernel panic - not syncing: panic_on_warn set ... [ 83.088869][ T9008] CPU: 0 PID: 9008 Comm: syz-executor616 Not tainted 5.1.0+ #17 [ 83.096533][ T9008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.106919][ T9008] Call Trace: [ 83.110191][ T9008] dump_stack+0x172/0x1f0 [ 83.114577][ T9008] ? __lock_acquire+0x1730/0x5490 [ 83.119591][ T9008] panic+0x2cb/0x65c [ 83.123464][ T9008] ? __warn_printk+0xf3/0xf3 [ 83.128031][ T9008] ? __lock_acquire+0x17b5/0x5490 [ 83.133039][ T9008] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 83.139258][ T9008] ? __warn.cold+0x5/0x45 [ 83.143573][ T9008] ? __warn+0xe8/0x1d0 [ 83.147617][ T9008] ? __lock_acquire+0x17b5/0x5490 [ 83.152667][ T9008] __warn.cold+0x20/0x45 [ 83.156931][ T9008] ? vprintk_emit+0x1ce/0x6d0 [ 83.161605][ T9008] ? __lock_acquire+0x17b5/0x5490 [ 83.166608][ T9008] report_bug+0x263/0x2b0 [ 83.170914][ T9008] do_error_trap+0x11b/0x200 [ 83.175488][ T9008] do_invalid_op+0x37/0x50 [ 83.179886][ T9008] ? __lock_acquire+0x17b5/0x5490 [ 83.184893][ T9008] invalid_op+0x14/0x20 [ 83.189025][ T9008] RIP: 0010:__lock_acquire+0x17b5/0x5490 [ 83.194641][ T9008] Code: d2 0f 85 c7 2c 00 00 44 8b 3d 07 46 09 08 45 85 ff 0f 85 57 f3 ff ff 48 c7 c6 c0 53 6b 87 48 c7 c7 a0 2a 6b 87 e8 f9 f0 eb ff <0f> 0b e9 40 f3 ff ff 0f 0b e9 83 f1 ff ff 8b 0d e7 52 ee 08 85 c9 [ 83.214235][ T9008] RSP: 0018:ffff888085edf3e0 EFLAGS: 00010086 [ 83.220284][ T9008] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 83.228246][ T9008] RDX: 0000000000000000 RSI: ffffffff815afbe6 RDI: ffffed1010bdbe6e [ 83.236199][ T9008] RBP: ffff888085edf588 R08: ffff8880a41cc5c0 R09: fffffbfff1133055 [ 83.244155][ T9008] R10: fffffbfff1133054 R11: ffffffff889982a3 R12: 00000000a508a4ad [ 83.252460][ T9008] R13: 0000000000000000 R14: 00000000000404ad R15: 0000000000000000 [ 83.260428][ T9008] ? vprintk_func+0x86/0x189 [ 83.265053][ T9008] ? sock_diag_rcv+0x2b/0x40 [ 83.269710][ T9008] ? netlink_unicast+0x536/0x720 [ 83.274638][ T9008] ? netlink_sendmsg+0x8ae/0xd70 [ 83.279555][ T9008] ? sock_sendmsg+0x12e/0x170 [ 83.284209][ T9008] ? ___sys_sendmsg+0x81d/0x960 [ 83.289038][ T9008] ? __sys_sendmsg+0x105/0x1d0 [ 83.293784][ T9008] ? __x64_sys_sendmsg+0x78/0xb0 [ 83.298706][ T9008] ? do_syscall_64+0x103/0x680 [ 83.303460][ T9008] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.309513][ T9008] ? mark_held_locks+0xf0/0xf0 [ 83.314306][ T9008] ? fs_reclaim_acquire.part.0+0x30/0x30 [ 83.319926][ T9008] ? find_held_lock+0x35/0x130 [ 83.324716][ T9008] ? fs_reclaim_acquire.part.0+0x30/0x30 [ 83.330331][ T9008] lock_acquire+0x16f/0x3f0 [ 83.334812][ T9008] ? rhashtable_walk_enter+0xf9/0x390 [ 83.340247][ T9008] _raw_spin_lock+0x2f/0x40 [ 83.344726][ T9008] ? rhashtable_walk_enter+0xf9/0x390 [ 83.350076][ T9008] rhashtable_walk_enter+0xf9/0x390 [ 83.355253][ T9008] __tipc_dump_start+0x1fa/0x3c0 [ 83.360225][ T9008] tipc_dump_start+0x70/0x90 [ 83.364806][ T9008] __netlink_dump_start+0x4fb/0x7e0 [ 83.370005][ T9008] ? __tipc_dump_start+0x3c0/0x3c0 [ 83.375099][ T9008] tipc_sock_diag_handler_dump+0x1d9/0x270 [ 83.381008][ T9008] ? __tipc_diag_gen_cookie+0x90/0x90 [ 83.386365][ T9008] ? sock_diag_rcv+0x1c/0x40 [ 83.390933][ T9008] ? __tipc_dump_start+0x3c0/0x3c0 [ 83.396021][ T9008] ? tipc_unregister_sysctl+0x20/0x20 [ 83.401662][ T9008] ? tipc_ioctl+0x2e0/0x2e0 [ 83.406153][ T9008] sock_diag_rcv_msg+0x322/0x410 [ 83.411075][ T9008] netlink_rcv_skb+0x17a/0x460 [ 83.415962][ T9008] ? sock_diag_bind+0x80/0x80 [ 83.420632][ T9008] ? netlink_ack+0xb50/0xb50 [ 83.425203][ T9008] ? kasan_check_read+0x11/0x20 [ 83.430033][ T9008] ? netlink_deliver_tap+0x254/0xc00 [ 83.435297][ T9008] sock_diag_rcv+0x2b/0x40 [ 83.439693][ T9008] netlink_unicast+0x536/0x720 [ 83.444445][ T9008] ? netlink_attachskb+0x770/0x770 [ 83.449582][ T9008] ? _copy_from_iter_full+0x25d/0x8c0 [ 83.454945][ T9008] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 83.460779][ T9008] ? __check_object_size+0x3d/0x42f [ 83.465972][ T9008] netlink_sendmsg+0x8ae/0xd70 [ 83.470785][ T9008] ? netlink_unicast+0x720/0x720 [ 83.475777][ T9008] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 83.481306][ T9008] ? apparmor_socket_sendmsg+0x2a/0x30 [ 83.486748][ T9008] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 83.493135][ T9008] ? security_socket_sendmsg+0x93/0xc0 [ 83.498756][ T9008] ? netlink_unicast+0x720/0x720 [ 83.503673][ T9008] sock_sendmsg+0x12e/0x170 [ 83.508151][ T9008] ___sys_sendmsg+0x81d/0x960 [ 83.512803][ T9008] ? copy_msghdr_from_user+0x430/0x430 [ 83.518248][ T9008] ? prep_transhuge_page+0xa0/0xa0 [ 83.523349][ T9008] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 83.529571][ T9008] ? __handle_mm_fault+0x7cd/0x3ec0 [ 83.534762][ T9008] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 83.540978][ T9008] ? __fget_light+0x1a9/0x230 [ 83.545707][ T9008] ? __fdget+0x1b/0x20 [ 83.549814][ T9008] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 83.556040][ T9008] __sys_sendmsg+0x105/0x1d0 [ 83.560604][ T9008] ? __ia32_sys_shutdown+0x80/0x80 [ 83.565707][ T9008] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 83.571153][ T9008] ? do_syscall_64+0x26/0x680 [ 83.575818][ T9008] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.581866][ T9008] ? do_syscall_64+0x26/0x680 [ 83.586665][ T9008] __x64_sys_sendmsg+0x78/0xb0 [ 83.591409][ T9008] do_syscall_64+0x103/0x680 [ 83.595975][ T9008] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.601838][ T9008] RIP: 0033:0x4401f9 [ 83.605712][ T9008] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 0f 83 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 83.625300][ T9008] RSP: 002b:00007ffce1688958 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 83.633784][ T9008] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004401f9 [ 83.641733][ T9008] RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000003 [ 83.649684][ T9008] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 83.657634][ T9008] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401a80 [ 83.665591][ T9008] R13: 0000000000401b10 R14: 0000000000000000 R15: 0000000000000000 [ 83.674408][ T9008] Kernel Offset: disabled [ 83.678770][ T9008] Rebooting in 86400 seconds..