./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1086311255 <...> DUID 00:04:b8:64:54:4b:51:f9:b6:ea:77:bd:45:d1:95:a6:31:4f forked to background, child pid 3182 [ 23.475505][ T3183] 8021q: adding VLAN 0 to HW filter on device bond0 [ 23.486595][ T3183] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.15.212' (ECDSA) to the list of known hosts. execve("./syz-executor1086311255", ["./syz-executor1086311255"], 0x7ffe179f7e60 /* 10 vars */) = 0 brk(NULL) = 0x5555555da000 brk(0x5555555dac40) = 0x5555555dac40 arch_prctl(ARCH_SET_FS, 0x5555555da300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor1086311255", 4096) = 28 brk(0x5555555fbc40) = 0x5555555fbc40 brk(0x5555555fc000) = 0x5555555fc000 mprotect(0x7f1a79f8e000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 socket(AF_INET6, SOCK_STREAM, IPPROTO_IP) = 3 bind(3, {sa_family=AF_INET6, sin6_port=htons(20002), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::", &sin6_addr), sin6_scope_id=0}, 28) = 0 connect(3, {sa_family=AF_INET6, sin6_port=htons(0), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::1", &sin6_addr), sin6_scope_id=0}, 28) = -1 ECONNREFUSED (Connection refused) syzkaller login: [ 39.612169][ T3604] ------------[ cut here ]------------ [ 39.617651][ T3604] WARNING: CPU: 1 PID: 3604 at net/ipv4/inet_connection_sock.c:548 inet_csk_get_port+0x17e8/0x2640 [ 39.628354][ T3604] Modules linked in: [ 39.632248][ T3604] CPU: 1 PID: 3604 Comm: syz-executor108 Not tainted 6.1.0-rc1-syzkaller-00115-g0bda03623e6b #0 [ 39.642681][ T3604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 39.652755][ T3604] RIP: 0010:inet_csk_get_port+0x17e8/0x2640 [ 39.658687][ T3604] Code: 00 00 48 8b 44 24 08 4c 89 e6 48 8b 78 18 e8 1f ae fe ff 31 ff 89 de e8 d6 6d 9e f9 84 db 74 98 e9 57 ff ff ff e8 38 71 9e f9 <0f> 0b e9 c5 fc ff ff e8 2c 71 9e f9 0f 0b e9 7d fc ff ff e8 20 71 [ 39.678435][ T3604] RSP: 0018:ffffc90003d6fc08 EFLAGS: 00010293 [ 39.684531][ T3604] RAX: 0000000000000000 RBX: ffff8880211d3080 RCX: 0000000000000000 [ 39.692519][ T3604] RDX: ffff888077b61d40 RSI: ffffffff87de19b8 RDI: ffff88801e511368 [ 39.700502][ T3604] RBP: ffff88801e511360 R08: 0000000000000001 R09: 0000000000000000 [ 39.708476][ T3604] R10: 0000000000000000 R11: 000000000008c07e R12: 0000000000000000 [ 39.716583][ T3604] R13: 00000000bc87b7e0 R14: ffff88801e510cc0 R15: 0000000000000001 [ 39.724690][ T3604] FS: 00005555555da300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 39.733667][ T3604] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.740313][ T3604] CR2: 00000000005df038 CR3: 0000000020caf000 CR4: 00000000003506e0 [ 39.748372][ T3604] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 39.756373][ T3604] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 39.764390][ T3604] Call Trace: [ 39.767657][ T3604] [ 39.770612][ T3604] ? lock_acquire+0x4fc/0x630 [ 39.775307][ T3604] ? lock_release+0x810/0x810 [ 39.780018][ T3604] ? rcu_read_lock_sched_held+0xd/0x70 [ 39.785499][ T3604] ? inet_csk_update_fastreuse+0xb30/0xb30 [ 39.791351][ T3604] ? lockdep_init_map_type+0x21a/0x7f0 [ 39.796816][ T3604] ? ptrace_stop.part.0+0x49a/0x8c0 [ 39.802045][ T3604] ? rcu_read_lock_sched_held+0xd/0x70 [ 39.807525][ T3604] ? trace_inet_sock_set_state+0x24a/0x320 [ 39.813443][ T3604] ? inet_csk_update_fastreuse+0xb30/0xb30 [ 39.819280][ T3604] inet_csk_listen_start+0x13e/0x3c0 [ 39.824579][ T3604] inet_listen+0x231/0x640 [ 39.829013][ T3604] ? inet_init_net+0x5c0/0x5c0 [ 39.833785][ T3604] ? aa_af_perm+0x230/0x230 [ 39.838287][ T3604] __sys_listen+0x17d/0x250 [ 39.842819][ T3604] ? __ia32_sys_bind+0xb0/0xb0 [ 39.847604][ T3604] ? trace_hardirqs_on+0x2d/0x160 [ 39.852759][ T3604] ? _raw_spin_unlock_irq+0x2a/0x40 [ 39.857967][ T3604] ? ptrace_notify+0xfa/0x140 [ 39.862667][ T3604] __x64_sys_listen+0x50/0x70 [ 39.867365][ T3604] do_syscall_64+0x35/0xb0 [ 39.871811][ T3604] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 39.877717][ T3604] RIP: 0033:0x7f1a79f21b99 [ 39.882147][ T3604] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 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 c0 ff ff ff f7 d8 64 89 01 48 [ 39.901805][ T3604] RSP: 002b:00007ffe2b988d48 EFLAGS: 00000246 ORIG_RAX: 0000000000000032 [ 39.910240][ T3604] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1a79f21b99 [ 39.918228][ T3604] RDX: ffffffffffffffc0 RSI: 0000000000000000 RDI: 0000000000000003 [ 39.926323][ T3604] RBP: 00007f1a79ee5d40 R08: 0000000000000000 R09: 0000000000000000 [ 39.934315][ T3604] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1a79ee5dd0 [ 39.943093][ T3604] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 39.951085][ T3604] [ 39.954093][ T3604] Kernel panic - not syncing: panic_on_warn set ... [ 39.960656][ T3604] CPU: 1 PID: 3604 Comm: syz-executor108 Not tainted 6.1.0-rc1-syzkaller-00115-g0bda03623e6b #0 [ 39.971057][ T3604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 39.981099][ T3604] Call Trace: [ 39.984372][ T3604] [ 39.987291][ T3604] dump_stack_lvl+0xcd/0x134 [ 39.991962][ T3604] panic+0x2c8/0x622 [ 39.995848][ T3604] ? panic_print_sys_info.part.0+0x110/0x110 [ 40.001825][ T3604] ? __warn.cold+0x24b/0x350 [ 40.006415][ T3604] ? inet_csk_get_port+0x17e8/0x2640 [ 40.011698][ T3604] __warn.cold+0x25c/0x350 [ 40.016105][ T3604] ? inet_csk_get_port+0x17e8/0x2640 [ 40.021382][ T3604] report_bug+0x1bc/0x210 [ 40.025719][ T3604] handle_bug+0x3c/0x70 [ 40.029887][ T3604] exc_invalid_op+0x14/0x40 [ 40.034395][ T3604] asm_exc_invalid_op+0x16/0x20 [ 40.039252][ T3604] RIP: 0010:inet_csk_get_port+0x17e8/0x2640 [ 40.045175][ T3604] Code: 00 00 48 8b 44 24 08 4c 89 e6 48 8b 78 18 e8 1f ae fe ff 31 ff 89 de e8 d6 6d 9e f9 84 db 74 98 e9 57 ff ff ff e8 38 71 9e f9 <0f> 0b e9 c5 fc ff ff e8 2c 71 9e f9 0f 0b e9 7d fc ff ff e8 20 71 [ 40.064792][ T3604] RSP: 0018:ffffc90003d6fc08 EFLAGS: 00010293 [ 40.070853][ T3604] RAX: 0000000000000000 RBX: ffff8880211d3080 RCX: 0000000000000000 [ 40.078819][ T3604] RDX: ffff888077b61d40 RSI: ffffffff87de19b8 RDI: ffff88801e511368 [ 40.086792][ T3604] RBP: ffff88801e511360 R08: 0000000000000001 R09: 0000000000000000 [ 40.094764][ T3604] R10: 0000000000000000 R11: 000000000008c07e R12: 0000000000000000 [ 40.102814][ T3604] R13: 00000000bc87b7e0 R14: ffff88801e510cc0 R15: 0000000000000001 [ 40.110782][ T3604] ? inet_csk_get_port+0x17e8/0x2640 [ 40.116074][ T3604] ? inet_csk_get_port+0x17e8/0x2640 [ 40.121366][ T3604] ? lock_acquire+0x4fc/0x630 [ 40.126042][ T3604] ? lock_release+0x810/0x810 [ 40.130714][ T3604] ? rcu_read_lock_sched_held+0xd/0x70 [ 40.136188][ T3604] ? inet_csk_update_fastreuse+0xb30/0xb30 [ 40.142001][ T3604] ? lockdep_init_map_type+0x21a/0x7f0 [ 40.147461][ T3604] ? ptrace_stop.part.0+0x49a/0x8c0 [ 40.152658][ T3604] ? rcu_read_lock_sched_held+0xd/0x70 [ 40.158121][ T3604] ? trace_inet_sock_set_state+0x24a/0x320 [ 40.163929][ T3604] ? inet_csk_update_fastreuse+0xb30/0xb30 [ 40.169762][ T3604] inet_csk_listen_start+0x13e/0x3c0 [ 40.175055][ T3604] inet_listen+0x231/0x640 [ 40.179476][ T3604] ? inet_init_net+0x5c0/0x5c0 [ 40.184238][ T3604] ? aa_af_perm+0x230/0x230 [ 40.188753][ T3604] __sys_listen+0x17d/0x250 [ 40.193258][ T3604] ? __ia32_sys_bind+0xb0/0xb0 [ 40.198024][ T3604] ? trace_hardirqs_on+0x2d/0x160 [ 40.203048][ T3604] ? _raw_spin_unlock_irq+0x2a/0x40 [ 40.208245][ T3604] ? ptrace_notify+0xfa/0x140 [ 40.212919][ T3604] __x64_sys_listen+0x50/0x70 [ 40.217604][ T3604] do_syscall_64+0x35/0xb0 [ 40.222023][ T3604] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 40.227920][ T3604] RIP: 0033:0x7f1a79f21b99 [ 40.232329][ T3604] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 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 c0 ff ff ff f7 d8 64 89 01 48 [ 40.251933][ T3604] RSP: 002b:00007ffe2b988d48 EFLAGS: 00000246 ORIG_RAX: 0000000000000032 [ 40.260341][ T3604] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1a79f21b99 [ 40.268405][ T3604] RDX: ffffffffffffffc0 RSI: 0000000000000000 RDI: 0000000000000003 [ 40.276367][ T3604] RBP: 00007f1a79ee5d40 R08: 0000000000000000 R09: 0000000000000000 [ 40.284334][ T3604] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1a79ee5dd0 [ 40.292386][ T3604] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 40.300377][ T3604] [ 40.303574][ T3604] Kernel Offset: disabled [ 40.307893][ T3604] Rebooting in 86400 seconds..