Warning: Permanently added '10.128.0.98' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 65.688192][ T8765] ------------[ cut here ]------------ [ 65.693695][ T8765] DEBUG_LOCKS_WARN_ON(class_idx > MAX_LOCKDEP_KEYS) [ 65.693794][ T8765] WARNING: CPU: 1 PID: 8765 at kernel/locking/lockdep.c:3764 __lock_acquire+0x17b5/0x5490 [ 65.710238][ T8765] Kernel panic - not syncing: panic_on_warn set ... [ 65.716974][ T8765] CPU: 1 PID: 8765 Comm: syz-executor118 Not tainted 5.2.0-rc1+ #20 [ 65.724924][ T8765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.734949][ T8765] Call Trace: [ 65.738221][ T8765] dump_stack+0x172/0x1f0 [ 65.742524][ T8765] ? __lock_acquire+0x16d0/0x5490 [ 65.747528][ T8765] panic+0x2cb/0x744 [ 65.751394][ T8765] ? __warn_printk+0xf3/0xf3 [ 65.755963][ T8765] ? __lock_acquire+0x17b5/0x5490 [ 65.760965][ T8765] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 65.767213][ T8765] ? __warn.cold+0x5/0x4d [ 65.771519][ T8765] ? __warn+0xe8/0x1d0 [ 65.775564][ T8765] ? __lock_acquire+0x17b5/0x5490 [ 65.780562][ T8765] __warn.cold+0x20/0x4d [ 65.784779][ T8765] ? vprintk_emit+0x1ea/0x700 [ 65.789460][ T8765] ? __lock_acquire+0x17b5/0x5490 [ 65.794465][ T8765] report_bug+0x263/0x2b0 [ 65.798782][ T8765] do_error_trap+0x11b/0x200 [ 65.803343][ T8765] do_invalid_op+0x37/0x50 [ 65.807731][ T8765] ? __lock_acquire+0x17b5/0x5490 [ 65.812732][ T8765] invalid_op+0x14/0x20 [ 65.816862][ T8765] RIP: 0010:__lock_acquire+0x17b5/0x5490 [ 65.822489][ T8765] Code: d2 0f 85 c7 2c 00 00 44 8b 3d a7 a0 29 08 45 85 ff 0f 85 57 f3 ff ff 48 c7 c6 20 c1 6b 87 48 c7 c7 00 98 6b 87 e8 09 d5 eb ff <0f> 0b e9 40 f3 ff ff 0f 0b e9 83 f1 ff ff 8b 0d 47 88 0e 09 85 c9 [ 65.842083][ T8765] RSP: 0018:ffff8880a81ff3e0 EFLAGS: 00010086 [ 65.848123][ T8765] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 65.856097][ T8765] RDX: 0000000000000000 RSI: ffffffff815ac7e6 RDI: ffffed101503fe6e [ 65.864047][ T8765] RBP: ffff8880a81ff588 R08: ffff88808de8e5c0 R09: fffffbfff11730e9 [ 65.871994][ T8765] R10: fffffbfff11730e8 R11: ffffffff88b98743 R12: 00000000fffec3ce [ 65.879935][ T8765] R13: 0000000000000000 R14: 00000000000403ce R15: 0000000000000000 [ 65.887900][ T8765] ? vprintk_func+0x86/0x189 [ 65.892489][ T8765] ? sock_diag_rcv+0x2b/0x40 [ 65.897051][ T8765] ? netlink_unicast+0x531/0x710 [ 65.901963][ T8765] ? netlink_sendmsg+0x8ae/0xd70 [ 65.906877][ T8765] ? sock_sendmsg+0xd7/0x130 [ 65.911457][ T8765] ? ___sys_sendmsg+0x803/0x920 [ 65.916278][ T8765] ? __sys_sendmsg+0x105/0x1d0 [ 65.921018][ T8765] ? __x64_sys_sendmsg+0x78/0xb0 [ 65.925935][ T8765] ? do_syscall_64+0xfd/0x680 [ 65.930589][ T8765] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 65.936626][ T8765] ? mark_held_locks+0xf0/0xf0 [ 65.941371][ T8765] ? fs_reclaim_acquire.part.0+0x30/0x30 [ 65.946990][ T8765] ? find_held_lock+0x35/0x130 [ 65.951772][ T8765] ? fs_reclaim_acquire.part.0+0x30/0x30 [ 65.957379][ T8765] lock_acquire+0x16f/0x3f0 [ 65.961869][ T8765] ? rhashtable_walk_enter+0xf9/0x390 [ 65.967215][ T8765] _raw_spin_lock+0x2f/0x40 [ 65.971703][ T8765] ? rhashtable_walk_enter+0xf9/0x390 [ 65.977046][ T8765] rhashtable_walk_enter+0xf9/0x390 [ 65.982217][ T8765] __tipc_dump_start+0x1fa/0x3c0 [ 65.987123][ T8765] tipc_dump_start+0x70/0x90 [ 65.991686][ T8765] __netlink_dump_start+0x4f8/0x7d0 [ 65.996856][ T8765] ? __tipc_dump_start+0x3c0/0x3c0 [ 66.001945][ T8765] tipc_sock_diag_handler_dump+0x1d9/0x270 [ 66.007791][ T8765] ? __tipc_diag_gen_cookie+0x90/0x90 [ 66.013144][ T8765] ? sock_diag_rcv+0x1c/0x40 [ 66.017703][ T8765] ? __tipc_dump_start+0x3c0/0x3c0 [ 66.022810][ T8765] ? tipc_unregister_sysctl+0x20/0x20 [ 66.028163][ T8765] ? tipc_ioctl+0x2e0/0x2e0 [ 66.032655][ T8765] sock_diag_rcv_msg+0x319/0x410 [ 66.037601][ T8765] netlink_rcv_skb+0x177/0x450 [ 66.042333][ T8765] ? sock_diag_bind+0x80/0x80 [ 66.046980][ T8765] ? netlink_ack+0xb50/0xb50 [ 66.051544][ T8765] ? kasan_check_read+0x11/0x20 [ 66.056363][ T8765] ? netlink_deliver_tap+0x254/0xbf0 [ 66.061617][ T8765] sock_diag_rcv+0x2b/0x40 [ 66.066002][ T8765] netlink_unicast+0x531/0x710 [ 66.070736][ T8765] ? netlink_attachskb+0x770/0x770 [ 66.075820][ T8765] ? _copy_from_iter_full+0x25d/0x8c0 [ 66.081161][ T8765] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 66.086849][ T8765] ? __check_object_size+0x3d/0x42f [ 66.092040][ T8765] netlink_sendmsg+0x8ae/0xd70 [ 66.096789][ T8765] ? netlink_unicast+0x710/0x710 [ 66.101705][ T8765] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 66.107215][ T8765] ? apparmor_socket_sendmsg+0x2a/0x30 [ 66.112645][ T8765] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 66.118867][ T8765] ? security_socket_sendmsg+0x8d/0xc0 [ 66.124325][ T8765] ? netlink_unicast+0x710/0x710 [ 66.129234][ T8765] sock_sendmsg+0xd7/0x130 [ 66.133636][ T8765] ___sys_sendmsg+0x803/0x920 [ 66.138284][ T8765] ? copy_msghdr_from_user+0x430/0x430 [ 66.143734][ T8765] ? prep_transhuge_page+0xa0/0xa0 [ 66.148832][ T8765] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 66.155052][ T8765] ? __handle_mm_fault+0x7cb/0x3eb0 [ 66.160221][ T8765] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 66.166446][ T8765] ? __fget_light+0x1a9/0x230 [ 66.171122][ T8765] ? __fdget+0x1b/0x20 [ 66.175161][ T8765] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 66.181372][ T8765] __sys_sendmsg+0x105/0x1d0 [ 66.185931][ T8765] ? __ia32_sys_shutdown+0x80/0x80 [ 66.191033][ T8765] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 66.196488][ T8765] ? do_syscall_64+0x26/0x680 [ 66.201148][ T8765] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 66.207188][ T8765] ? do_syscall_64+0x26/0x680 [ 66.211835][ T8765] __x64_sys_sendmsg+0x78/0xb0 [ 66.216577][ T8765] do_syscall_64+0xfd/0x680 [ 66.221070][ T8765] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 66.226962][ T8765] RIP: 0033:0x440219 [ 66.230854][ T8765] 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 [ 66.250426][ T8765] RSP: 002b:00007ffe3c970158 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 66.258806][ T8765] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440219 [ 66.266776][ T8765] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 66.274721][ T8765] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 66.282672][ T8765] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401aa0 [ 66.290622][ T8765] R13: 0000000000401b30 R14: 0000000000000000 R15: 0000000000000000 [ 66.299510][ T8765] Kernel Offset: disabled [ 66.303827][ T8765] Rebooting in 86400 seconds..