./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4047382839 <...> DUID 00:04:ce:8e:a7:1a:d5:92:ad:c3:fd:35:80:c9:2b:13:ab:38 forked to background, child pid 3182 [ 22.788914][ T3183] 8021q: adding VLAN 0 to HW filter on device bond0 [ 22.800195][ T3183] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.33' (ECDSA) to the list of known hosts. execve("./syz-executor4047382839", ["./syz-executor4047382839"], 0x7ffe8ed8b2b0 /* 10 vars */) = 0 brk(NULL) = 0x555556203000 brk(0x555556203c40) = 0x555556203c40 arch_prctl(ARCH_SET_FS, 0x555556203300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor4047382839", 4096) = 28 brk(0x555556224c40) = 0x555556224c40 brk(0x555556225000) = 0x555556225000 mprotect(0x7f4f1259b000, 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: [ 41.082797][ T3604] ------------[ cut here ]------------ [ 41.088321][ T3604] WARNING: CPU: 1 PID: 3604 at net/ipv4/inet_connection_sock.c:548 inet_csk_get_port+0x17e8/0x2640 [ 41.099043][ T3604] Modules linked in: [ 41.102972][ T3604] CPU: 1 PID: 3604 Comm: syz-executor404 Not tainted 6.1.0-rc1-syzkaller-00170-g3bd5549bd479 #0 [ 41.113418][ T3604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 41.123589][ T3604] RIP: 0010:inet_csk_get_port+0x17e8/0x2640 [ 41.129522][ 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 56 6d 9e f9 84 db 74 98 e9 57 ff ff ff e8 b8 70 9e f9 <0f> 0b e9 c5 fc ff ff e8 ac 70 9e f9 0f 0b e9 7d fc ff ff e8 a0 70 [ 41.149245][ T3604] RSP: 0018:ffffc90003c3fc08 EFLAGS: 00010293 [ 41.155302][ T3604] RAX: 0000000000000000 RBX: ffff88801c9a6000 RCX: 0000000000000000 [ 41.163290][ T3604] RDX: ffff888077041d40 RSI: ffffffff87de1a38 RDI: ffff8880227a86a8 [ 41.171283][ T3604] RBP: ffff8880227a86a0 R08: 0000000000000001 R09: 0000000000000000 [ 41.179359][ T3604] R10: 0000000000000000 R11: 000000000008c07e R12: 0000000000000000 [ 41.187359][ T3604] R13: 00000000dde175d9 R14: ffff8880227a8000 R15: 0000000000000001 [ 41.195335][ T3604] FS: 0000555556203300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 41.204298][ T3604] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.210909][ T3604] CR2: 00000000005df038 CR3: 000000001836a000 CR4: 00000000003506e0 [ 41.218908][ T3604] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.226913][ T3604] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.234966][ T3604] Call Trace: [ 41.238268][ T3604] [ 41.241206][ T3604] ? lock_acquire+0x4fc/0x630 [ 41.245892][ T3604] ? lock_release+0x810/0x810 [ 41.250677][ T3604] ? rcu_read_lock_sched_held+0xd/0x70 [ 41.256161][ T3604] ? inet_csk_update_fastreuse+0xb30/0xb30 [ 41.262004][ T3604] ? lockdep_init_map_type+0x21a/0x7f0 [ 41.267495][ T3604] ? ptrace_stop.part.0+0x49a/0x8c0 [ 41.272704][ T3604] ? rcu_read_lock_sched_held+0xd/0x70 [ 41.278188][ T3604] ? trace_inet_sock_set_state+0x24a/0x320 [ 41.284007][ T3604] ? inet_csk_update_fastreuse+0xb30/0xb30 [ 41.289854][ T3604] inet_csk_listen_start+0x13e/0x3c0 [ 41.295188][ T3604] inet_listen+0x231/0x640 [ 41.299628][ T3604] ? inet_init_net+0x5c0/0x5c0 [ 41.304407][ T3604] ? aa_af_perm+0x230/0x230 [ 41.308945][ T3604] __sys_listen+0x17d/0x250 [ 41.313463][ T3604] ? __ia32_sys_bind+0xb0/0xb0 [ 41.318251][ T3604] ? trace_hardirqs_on+0x2d/0x160 [ 41.323459][ T3604] ? _raw_spin_unlock_irq+0x2a/0x40 [ 41.328686][ T3604] ? ptrace_notify+0xfa/0x140 [ 41.333403][ T3604] __x64_sys_listen+0x50/0x70 [ 41.338143][ T3604] do_syscall_64+0x35/0xb0 [ 41.342577][ T3604] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 41.348495][ T3604] RIP: 0033:0x7f4f1252eb99 [ 41.352948][ 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 [ 41.372579][ T3604] RSP: 002b:00007fff97a32258 EFLAGS: 00000246 ORIG_RAX: 0000000000000032 [ 41.381021][ T3604] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4f1252eb99 [ 41.389006][ T3604] RDX: ffffffffffffffc0 RSI: 0000000000000000 RDI: 0000000000000003 [ 41.396999][ T3604] RBP: 00007f4f124f2d40 R08: 0000000000000000 R09: 0000000000000000 [ 41.404959][ T3604] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4f124f2dd0 [ 41.412944][ T3604] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 41.420936][ T3604] [ 41.423947][ T3604] Kernel panic - not syncing: panic_on_warn set ... [ 41.430519][ T3604] CPU: 1 PID: 3604 Comm: syz-executor404 Not tainted 6.1.0-rc1-syzkaller-00170-g3bd5549bd479 #0 [ 41.441000][ T3604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 [ 41.451040][ T3604] Call Trace: [ 41.454307][ T3604] [ 41.457230][ T3604] dump_stack_lvl+0xcd/0x134 [ 41.461849][ T3604] panic+0x2c8/0x622 [ 41.465739][ T3604] ? panic_print_sys_info.part.0+0x110/0x110 [ 41.471714][ T3604] ? __warn.cold+0x24b/0x350 [ 41.476299][ T3604] ? inet_csk_get_port+0x17e8/0x2640 [ 41.481580][ T3604] __warn.cold+0x25c/0x350 [ 41.485992][ T3604] ? inet_csk_get_port+0x17e8/0x2640 [ 41.491272][ T3604] report_bug+0x1bc/0x210 [ 41.495694][ T3604] handle_bug+0x3c/0x70 [ 41.499845][ T3604] exc_invalid_op+0x14/0x40 [ 41.504354][ T3604] asm_exc_invalid_op+0x16/0x20 [ 41.509193][ T3604] RIP: 0010:inet_csk_get_port+0x17e8/0x2640 [ 41.515079][ 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 56 6d 9e f9 84 db 74 98 e9 57 ff ff ff e8 b8 70 9e f9 <0f> 0b e9 c5 fc ff ff e8 ac 70 9e f9 0f 0b e9 7d fc ff ff e8 a0 70 [ 41.534678][ T3604] RSP: 0018:ffffc90003c3fc08 EFLAGS: 00010293 [ 41.540731][ T3604] RAX: 0000000000000000 RBX: ffff88801c9a6000 RCX: 0000000000000000 [ 41.548690][ T3604] RDX: ffff888077041d40 RSI: ffffffff87de1a38 RDI: ffff8880227a86a8 [ 41.556647][ T3604] RBP: ffff8880227a86a0 R08: 0000000000000001 R09: 0000000000000000 [ 41.564611][ T3604] R10: 0000000000000000 R11: 000000000008c07e R12: 0000000000000000 [ 41.572574][ T3604] R13: 00000000dde175d9 R14: ffff8880227a8000 R15: 0000000000000001 [ 41.580536][ T3604] ? inet_csk_get_port+0x17e8/0x2640 [ 41.585822][ T3604] ? inet_csk_get_port+0x17e8/0x2640 [ 41.591099][ T3604] ? lock_acquire+0x4fc/0x630 [ 41.595770][ T3604] ? lock_release+0x810/0x810 [ 41.600438][ T3604] ? rcu_read_lock_sched_held+0xd/0x70 [ 41.605893][ T3604] ? inet_csk_update_fastreuse+0xb30/0xb30 [ 41.611691][ T3604] ? lockdep_init_map_type+0x21a/0x7f0 [ 41.617135][ T3604] ? ptrace_stop.part.0+0x49a/0x8c0 [ 41.622318][ T3604] ? rcu_read_lock_sched_held+0xd/0x70 [ 41.627858][ T3604] ? trace_inet_sock_set_state+0x24a/0x320 [ 41.633653][ T3604] ? inet_csk_update_fastreuse+0xb30/0xb30 [ 41.639452][ T3604] inet_csk_listen_start+0x13e/0x3c0 [ 41.644730][ T3604] inet_listen+0x231/0x640 [ 41.649132][ T3604] ? inet_init_net+0x5c0/0x5c0 [ 41.653880][ T3604] ? aa_af_perm+0x230/0x230 [ 41.658378][ T3604] __sys_listen+0x17d/0x250 [ 41.662874][ T3604] ? __ia32_sys_bind+0xb0/0xb0 [ 41.667628][ T3604] ? trace_hardirqs_on+0x2d/0x160 [ 41.672641][ T3604] ? _raw_spin_unlock_irq+0x2a/0x40 [ 41.677833][ T3604] ? ptrace_notify+0xfa/0x140 [ 41.682501][ T3604] __x64_sys_listen+0x50/0x70 [ 41.687168][ T3604] do_syscall_64+0x35/0xb0 [ 41.691578][ T3604] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 41.697460][ T3604] RIP: 0033:0x7f4f1252eb99 [ 41.701861][ 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 [ 41.721557][ T3604] RSP: 002b:00007fff97a32258 EFLAGS: 00000246 ORIG_RAX: 0000000000000032 [ 41.729957][ T3604] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4f1252eb99 [ 41.737926][ T3604] RDX: ffffffffffffffc0 RSI: 0000000000000000 RDI: 0000000000000003 [ 41.745883][ T3604] RBP: 00007f4f124f2d40 R08: 0000000000000000 R09: 0000000000000000 [ 41.753842][ T3604] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4f124f2dd0 [ 41.761802][ T3604] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 41.769762][ T3604] [ 41.772940][ T3604] Kernel Offset: disabled [ 41.777266][ T3604] Rebooting in 86400 seconds..