./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2578143025 <...> no interfaces have a carrier [ 26.709688][ T3186] 8021q: adding VLAN 0 to HW filter on device bond0 [ 26.720132][ T3186] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: [ 27.196267][ T3281] sshd (3281) used greatest stack depth: 22488 bytes left OK syzkaller Warning: Permanently added '10.128.10.38' (ECDSA) to the list of known hosts. execve("./syz-executor2578143025", ["./syz-executor2578143025"], 0x7ffc3de91530 /* 10 vars */) = 0 brk(NULL) = 0x55555570f000 brk(0x55555570fc40) = 0x55555570fc40 arch_prctl(ARCH_SET_FS, 0x55555570f300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2578143025", 4096) = 28 brk(0x555555730c40) = 0x555555730c40 brk(0x555555731000) = 0x555555731000 mprotect(0x7fa8a9b05000, 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 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 3607 attached , child_tidptr=0x55555570f5d0) = 3607 [pid 3607] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3607] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3607] setsid() = 1 [pid 3607] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3607] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3607] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3607] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3607] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, NULL) = 0 [pid 3607] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3607] unshare(CLONE_NEWNS) = 0 [pid 3607] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3607] unshare(CLONE_NEWIPC) = 0 [pid 3607] unshare(CLONE_NEWCGROUP) = 0 [pid 3607] unshare(CLONE_NEWUTS) = 0 [pid 3607] unshare(CLONE_SYSVSEM) = 0 [pid 3607] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3607] write(3, "16777216", 8) = 8 [pid 3607] close(3) = 0 [pid 3607] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3607] write(3, "536870912", 9) = 9 [pid 3607] close(3) = 0 [pid 3607] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3607] write(3, "1024", 4) = 4 [pid 3607] close(3) = 0 [pid 3607] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3607] write(3, "8192", 4) = 4 [pid 3607] close(3) = 0 [pid 3607] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3607] write(3, "1024", 4) = 4 [pid 3607] close(3) = 0 [pid 3607] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3607] write(3, "1024", 4) = 4 [pid 3607] close(3) = 0 [pid 3607] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3607] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3607] close(3) = 0 [pid 3607] getpid() = 1 [pid 3607] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e9 ac f8 ff ff e8 7a 23 d8 fc e9 ed f4 ff ff e8 80 23 d8 fc [ 51.608292][ T3607] RSP: 0018:ffffc900037bf808 EFLAGS: 00010293 [ 51.614416][ T3607] RAX: 0000000000000000 RBX: ffff8880772f4000 RCX: 0000000000000000 [ 51.622461][ T3607] RDX: ffff888024f35880 RSI: ffffffff84f0461a RDI: 0000000000000003 [ 51.630501][ T3607] RBP: ffffc900037bf9b8 R08: 0000000000000003 R09: 000000000000ffff [ 51.638499][ T3607] R10: 000000000000ffff R11: 0000000000000000 R12: ffff8880798fe500 [ 51.646526][ T3607] R13: 1ffff920006f7f06 R14: 000000000000ffff R15: ffff8880772f4ca0 [ 51.654530][ T3607] FS: 000055555570f300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 51.663491][ T3607] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.670087][ T3607] CR2: 0000000020000080 CR3: 0000000025771000 CR4: 00000000003506f0 [ 51.678100][ T3607] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.686097][ T3607] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.694101][ T3607] Call Trace: [ 51.697393][ T3607] [ 51.700362][ T3607] ? __lock_acquire+0xbc3/0x56d0 [ 51.705402][ T3607] ? ipvlan_handle_mode_l3+0x140/0x140 [ 51.710922][ T3607] ? skb_network_protocol+0x151/0x580 [ 51.716313][ T3607] ? skb_crc32c_csum_help+0x70/0x70 [ 51.721548][ T3607] ? __alloc_skb+0x17f/0x2f0 [ 51.726158][ T3607] ? validate_xmit_xfrm+0x493/0x10e0 [ 51.731479][ T3607] ? netif_skb_features+0x396/0xb90 [ 51.736715][ T3607] ipvlan_start_xmit+0x45/0x150 [ 51.741607][ T3607] __dev_direct_xmit+0x500/0x720 [ 51.746578][ T3607] ? validate_xmit_skb_list+0x120/0x120 [ 51.752196][ T3607] ? netdev_pick_tx+0x14e/0xbd0 [ 51.757069][ T3607] packet_direct_xmit+0x1b3/0x2c0 [ 51.762168][ T3607] packet_sendmsg+0x3354/0x5500 [ 51.767063][ T3607] ? aa_sk_perm+0x30f/0xaa0 [ 51.771708][ T3607] ? packet_lookup_frame.isra.0+0x1c0/0x1c0 [ 51.777618][ T3607] ? aa_af_perm+0x230/0x230 [ 51.782162][ T3607] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 51.787461][ T3607] ? packet_lookup_frame.isra.0+0x1c0/0x1c0 [ 51.793385][ T3607] sock_sendmsg+0xcf/0x120 [ 51.797815][ T3607] __sys_sendto+0x236/0x340 [ 51.802354][ T3607] ? __ia32_sys_getpeername+0xb0/0xb0 [ 51.807741][ T3607] ? do_raw_spin_lock+0x120/0x2a0 [ 51.812804][ T3607] ? _raw_spin_lock_irq+0x41/0x50 [ 51.817858][ T3607] ? lock_downgrade+0x6e0/0x6e0 [ 51.822764][ T3607] ? _raw_spin_unlock_irq+0x1f/0x40 [ 51.827973][ T3607] ? _raw_spin_unlock_irq+0x1f/0x40 [ 51.833201][ T3607] ? lockdep_hardirqs_on+0x79/0x100 [ 51.838416][ T3607] __x64_sys_sendto+0xdd/0x1b0 [ 51.843208][ T3607] ? syscall_trace_enter.constprop.0+0xb0/0x240 [ 51.849464][ T3607] do_syscall_64+0x35/0xb0 [ 51.853935][ T3607] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 51.859847][ T3607] RIP: 0033:0x7fa8a9a91669 [ 51.864294][ T3607] Code: 28 c3 e8 4a 15 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 [ 51.883960][ T3607] RSP: 002b:00007ffe0f61c358 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 51.892426][ T3607] RAX: ffffffffffffffda RBX: 00007ffe0f61c378 RCX: 00007fa8a9a91669 [ 51.900448][ T3607] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 51.908436][ T3607] RBP: 0000000000000003 R08: 00000000200000c0 R09: 0000000000000014 [ 51.916468][ T3607] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0f61c380 [ 51.924470][ T3607] R13: 00007ffe0f61c3a0 R14: 0000000000000000 R15: 0000000000000000 [ 51.932511][ T3607] [ 51.935537][ T3607] Kernel panic - not syncing: panic_on_warn set ... [ 51.942104][ T3607] CPU: 0 PID: 3607 Comm: syz-executor257 Not tainted 6.0.0-rc2-syzkaller-00198-gcb10b0f91c5f #0 [ 51.952498][ T3607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 51.962538][ T3607] Call Trace: [ 51.965804][ T3607] [ 51.968724][ T3607] dump_stack_lvl+0xcd/0x134 [ 51.973312][ T3607] panic+0x2c8/0x627 [ 51.977196][ T3607] ? panic_print_sys_info.part.0+0x10b/0x10b [ 51.983170][ T3607] ? __warn.cold+0x248/0x2c4 [ 51.987752][ T3607] ? ipvlan_queue_xmit+0xcba/0x19d0 [ 51.992942][ T3607] __warn.cold+0x259/0x2c4 [ 51.997348][ T3607] ? ipvlan_queue_xmit+0xcba/0x19d0 [ 52.002536][ T3607] report_bug+0x1bc/0x210 [ 52.006862][ T3607] handle_bug+0x3c/0x60 [ 52.011023][ T3607] exc_invalid_op+0x14/0x40 [ 52.015516][ T3607] asm_exc_invalid_op+0x16/0x20 [ 52.020359][ T3607] RIP: 0010:ipvlan_queue_xmit+0xcba/0x19d0 [ 52.026157][ T3607] Code: 41 0f b7 d6 48 c7 c6 a0 c6 75 8a 48 c7 c7 20 c4 75 8a c6 05 ed 4b d9 08 01 e8 8f 16 4a 04 0f 0b e9 e5 f7 ff ff e8 16 c5 8b fc <0f> 0b e9 ac f8 ff ff e8 7a 23 d8 fc e9 ed f4 ff ff e8 80 23 d8 fc [ 52.045768][ T3607] RSP: 0018:ffffc900037bf808 EFLAGS: 00010293 [ 52.051858][ T3607] RAX: 0000000000000000 RBX: ffff8880772f4000 RCX: 0000000000000000 [ 52.059843][ T3607] RDX: ffff888024f35880 RSI: ffffffff84f0461a RDI: 0000000000000003 [ 52.067846][ T3607] RBP: ffffc900037bf9b8 R08: 0000000000000003 R09: 000000000000ffff [ 52.075845][ T3607] R10: 000000000000ffff R11: 0000000000000000 R12: ffff8880798fe500 [ 52.083822][ T3607] R13: 1ffff920006f7f06 R14: 000000000000ffff R15: ffff8880772f4ca0 [ 52.091811][ T3607] ? ipvlan_queue_xmit+0xcba/0x19d0 [ 52.097032][ T3607] ? ipvlan_queue_xmit+0xcba/0x19d0 [ 52.102241][ T3607] ? __lock_acquire+0xbc3/0x56d0 [ 52.107192][ T3607] ? ipvlan_handle_mode_l3+0x140/0x140 [ 52.112665][ T3607] ? skb_network_protocol+0x151/0x580 [ 52.118052][ T3607] ? skb_crc32c_csum_help+0x70/0x70 [ 52.123259][ T3607] ? __alloc_skb+0x17f/0x2f0 [ 52.127864][ T3607] ? validate_xmit_xfrm+0x493/0x10e0 [ 52.133159][ T3607] ? netif_skb_features+0x396/0xb90 [ 52.138374][ T3607] ipvlan_start_xmit+0x45/0x150 [ 52.143235][ T3607] __dev_direct_xmit+0x500/0x720 [ 52.148186][ T3607] ? validate_xmit_skb_list+0x120/0x120 [ 52.153743][ T3607] ? netdev_pick_tx+0x14e/0xbd0 [ 52.158602][ T3607] packet_direct_xmit+0x1b3/0x2c0 [ 52.163638][ T3607] packet_sendmsg+0x3354/0x5500 [ 52.168516][ T3607] ? aa_sk_perm+0x30f/0xaa0 [ 52.173038][ T3607] ? packet_lookup_frame.isra.0+0x1c0/0x1c0 [ 52.178943][ T3607] ? aa_af_perm+0x230/0x230 [ 52.183465][ T3607] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 52.188762][ T3607] ? packet_lookup_frame.isra.0+0x1c0/0x1c0 [ 52.194665][ T3607] sock_sendmsg+0xcf/0x120 [ 52.199090][ T3607] __sys_sendto+0x236/0x340 [ 52.203603][ T3607] ? __ia32_sys_getpeername+0xb0/0xb0 [ 52.208984][ T3607] ? do_raw_spin_lock+0x120/0x2a0 [ 52.214020][ T3607] ? _raw_spin_lock_irq+0x41/0x50 [ 52.219076][ T3607] ? lock_downgrade+0x6e0/0x6e0 [ 52.223938][ T3607] ? _raw_spin_unlock_irq+0x1f/0x40 [ 52.229146][ T3607] ? _raw_spin_unlock_irq+0x1f/0x40 [ 52.234458][ T3607] ? lockdep_hardirqs_on+0x79/0x100 [ 52.239696][ T3607] __x64_sys_sendto+0xdd/0x1b0 [ 52.244478][ T3607] ? syscall_trace_enter.constprop.0+0xb0/0x240 [ 52.250733][ T3607] do_syscall_64+0x35/0xb0 [ 52.255161][ T3607] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 52.261063][ T3607] RIP: 0033:0x7fa8a9a91669 [ 52.265486][ T3607] Code: 28 c3 e8 4a 15 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 [ 52.285104][ T3607] RSP: 002b:00007ffe0f61c358 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 52.293531][ T3607] RAX: ffffffffffffffda RBX: 00007ffe0f61c378 RCX: 00007fa8a9a91669 [ 52.301511][ T3607] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 52.309492][ T3607] RBP: 0000000000000003 R08: 00000000200000c0 R09: 0000000000000014 [ 52.317469][ T3607] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe0f61c380 [ 52.325444][ T3607] R13: 00007ffe0f61c3a0 R14: 0000000000000000 R15: 0000000000000000 [ 52.333434][ T3607] [ 52.336735][ T3607] Kernel Offset: disabled [ 52.341126][ T3607] Rebooting in 86400 seconds..