./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3617432236 <...> forked to background, child pid 3188[ 25.394681][ T3189] 8021q: adding VLAN 0 to HW filter on device bond0 no interfaces have a carrier [ 25.412838][ T3189] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.100' (ECDSA) to the list of known hosts. execve("./syz-executor3617432236", ["./syz-executor3617432236"], 0x7fff701b85d0 /* 10 vars */) = 0 brk(NULL) = 0x5555568b8000 brk(0x5555568b8c40) = 0x5555568b8c40 arch_prctl(ARCH_SET_FS, 0x5555568b8300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3617432236", 4096) = 28 brk(0x5555568d9c40) = 0x5555568d9c40 brk(0x5555568da000) = 0x5555568da000 mprotect(0x7f71c5fbc000, 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 3617 attached , child_tidptr=0x5555568b85d0) = 3617 [pid 3617] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3617] setsid() = 1 [pid 3617] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3617] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3617] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3617] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3617] prlimit64(0, RLIMIT_CORE, {rlim_cur=0, rlim_max=0}, NULL) = 0 [pid 3617] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3617] unshare(CLONE_NEWNS) = 0 [pid 3617] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3617] unshare(CLONE_NEWIPC) = 0 [pid 3617] unshare(CLONE_NEWCGROUP) = 0 [pid 3617] unshare(CLONE_NEWUTS) = 0 [pid 3617] unshare(CLONE_SYSVSEM) = 0 [pid 3617] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3617] write(3, "16777216", 8) = 8 [pid 3617] close(3) = 0 [pid 3617] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3617] write(3, "536870912", 9) = 9 [pid 3617] close(3) = 0 [pid 3617] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3617] write(3, "1024", 4) = 4 [pid 3617] close(3) = 0 [pid 3617] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3617] write(3, "8192", 4) = 4 [pid 3617] close(3) = 0 [pid 3617] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3617] write(3, "1024", 4) = 4 [pid 3617] close(3) = 0 [pid 3617] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3617] write(3, "1024", 4) = 4 [pid 3617] close(3) = 0 [pid 3617] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3617] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3617] close(3) = 0 [pid 3617] getpid() = 1 [pid 3617] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< 0b e9 28 fc ff ff e8 b6 13 8a f9 48 8b 54 24 70 48 b8 00 00 00 [ 51.111342][ T3617] RSP: 0018:ffffc90002faf520 EFLAGS: 00010293 [ 51.117479][ T3617] RAX: 0000000000000000 RBX: ffff888075ae4780 RCX: 0000000000000000 [ 51.125460][ T3617] RDX: ffff8880272f8000 RSI: ffffffff87f05e3e RDI: 0000000000000003 [ 51.133501][ T3617] RBP: ffffc90002faf650 R08: 0000000000000003 R09: 000000000000ffff [ 51.141556][ T3617] R10: 000000000000ffff R11: 0000000000000000 R12: 000000000000ffff [ 51.149610][ T3617] R13: 0000000000000000 R14: 000000000000ffcd R15: 000000000000000e [ 51.157657][ T3617] FS: 00005555568b8300(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 51.166667][ T3617] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.173259][ T3617] CR2: 0000000020000080 CR3: 0000000073a76000 CR4: 00000000003506f0 [ 51.181285][ T3617] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.189326][ T3617] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.197351][ T3617] Call Trace: [ 51.200631][ T3617] [ 51.203553][ T3617] ? __skb_get_hash_symmetric+0x400/0x400 [ 51.209348][ T3617] ? ip_tun_build_state+0x630/0x630 [ 51.214558][ T3617] ? dst_cache_set_ip4+0x143/0x240 [ 51.219746][ T3617] ? geneve_get_v4_rt+0x404/0x810 [ 51.224789][ T3617] geneve_xmit+0xcf8/0x35d0 [ 51.229358][ T3617] ? geneve_fill_metadata_dst+0xbd0/0xbd0 [ 51.235109][ T3617] ? validate_xmit_xfrm+0x493/0x10e0 [ 51.240458][ T3617] ? netif_skb_features+0x396/0xb90 [ 51.245687][ T3617] ? validate_xmit_skb+0x87d/0xf10 [ 51.250874][ T3617] __dev_direct_xmit+0x500/0x730 [ 51.255862][ T3617] ? validate_xmit_skb_list+0x120/0x120 [ 51.261421][ T3617] ? netdev_pick_tx+0x14f/0xbe0 [ 51.266344][ T3617] packet_direct_xmit+0x1b8/0x2c0 [ 51.271383][ T3617] packet_sendmsg+0x21f4/0x55d0 [ 51.276320][ T3617] ? aa_sk_perm+0x30f/0xaa0 [ 51.280841][ T3617] ? _copy_from_user+0xf9/0x170 [ 51.285685][ T3617] ? packet_lookup_frame.isra.0+0x1c0/0x1c0 [ 51.291648][ T3617] ? aa_af_perm+0x230/0x230 [ 51.296219][ T3617] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 51.301517][ T3617] ? packet_lookup_frame.isra.0+0x1c0/0x1c0 [ 51.307491][ T3617] sock_sendmsg+0xcf/0x120 [ 51.311916][ T3617] ____sys_sendmsg+0x6eb/0x810 [ 51.316754][ T3617] ? kernel_sendmsg+0x50/0x50 [ 51.321437][ T3617] ? do_recvmmsg+0x6d0/0x6d0 [ 51.326101][ T3617] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 51.332129][ T3617] ? lockdep_hardirqs_on+0x79/0x100 [ 51.337390][ T3617] ___sys_sendmsg+0xf3/0x170 [ 51.341989][ T3617] ? sendmsg_copy_msghdr+0x160/0x160 [ 51.347332][ T3617] ? lock_release+0x780/0x780 [ 51.352017][ T3617] ? ptrace_stop.part.0+0x5ec/0xa80 [ 51.357271][ T3617] ? do_raw_spin_lock+0x120/0x2a0 [ 51.362309][ T3617] ? __fget_light+0x20a/0x270 [ 51.367059][ T3617] __x64_sys_sendmsg+0x132/0x220 [ 51.372009][ T3617] ? __sys_sendmsg+0x1b0/0x1b0 [ 51.376836][ T3617] ? _raw_spin_unlock_irq+0x2a/0x40 [ 51.382048][ T3617] ? ptrace_notify+0xfa/0x140 [ 51.386792][ T3617] do_syscall_64+0x35/0xb0 [ 51.391224][ T3617] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 51.397180][ T3617] RIP: 0033:0x7f71c5f48919 [ 51.401603][ T3617] 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 [ 51.421274][ T3617] RSP: 002b:00007fffee9c0578 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 51.429763][ T3617] RAX: ffffffffffffffda RBX: 00007fffee9c0588 RCX: 00007f71c5f48919 [ 51.437882][ T3617] RDX: 0000000000000000 RSI: 0000000020000a00 RDI: 0000000000000003 [ 51.445954][ T3617] RBP: 0000000000000003 R08: bb1414ac00000000 R09: bb1414ac00000000 [ 51.453936][ T3617] R10: 0000000000000004 R11: 0000000000000246 R12: 00007fffee9c0590 [ 51.461971][ T3617] R13: 00007fffee9c0584 R14: 0000000000000003 R15: 0000000000000000 [ 51.470033][ T3617] [ 51.473049][ T3617] Kernel panic - not syncing: panic_on_warn set ... [ 51.479630][ T3617] CPU: 0 PID: 3617 Comm: syz-executor361 Not tainted 5.19.0-rc2-syzkaller-00443-g8720bd951b8e #0 [ 51.490140][ T3617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.500213][ T3617] Call Trace: [ 51.503494][ T3617] [ 51.506431][ T3617] dump_stack_lvl+0xcd/0x134 [ 51.511077][ T3617] panic+0x2d7/0x636 [ 51.514971][ T3617] ? panic_print_sys_info.part.0+0x10b/0x10b [ 51.520953][ T3617] ? __warn.cold+0x1d9/0x2cd [ 51.525542][ T3617] ? skb_tunnel_check_pmtu+0x5de/0x2f90 [ 51.531085][ T3617] __warn.cold+0x1ea/0x2cd [ 51.535496][ T3617] ? skb_tunnel_check_pmtu+0x5de/0x2f90 [ 51.541034][ T3617] report_bug+0x1bc/0x210 [ 51.545361][ T3617] handle_bug+0x3c/0x60 [ 51.549512][ T3617] exc_invalid_op+0x14/0x40 [ 51.554008][ T3617] asm_exc_invalid_op+0x1b/0x20 [ 51.558852][ T3617] RIP: 0010:skb_tunnel_check_pmtu+0x5de/0x2f90 [ 51.565075][ T3617] Code: 00 00 00 00 fc ff df 4c 89 fa 48 c1 ea 03 80 3c 02 00 0f 84 b9 fe ff ff 4c 89 ff e8 7c 0f d7 f9 e9 ac fe ff ff e8 c2 13 8a f9 <0f> 0b e9 28 fc ff ff e8 b6 13 8a f9 48 8b 54 24 70 48 b8 00 00 00 [ 51.584689][ T3617] RSP: 0018:ffffc90002faf520 EFLAGS: 00010293 [ 51.590749][ T3617] RAX: 0000000000000000 RBX: ffff888075ae4780 RCX: 0000000000000000 [ 51.598724][ T3617] RDX: ffff8880272f8000 RSI: ffffffff87f05e3e RDI: 0000000000000003 [ 51.606692][ T3617] RBP: ffffc90002faf650 R08: 0000000000000003 R09: 000000000000ffff [ 51.614667][ T3617] R10: 000000000000ffff R11: 0000000000000000 R12: 000000000000ffff [ 51.622625][ T3617] R13: 0000000000000000 R14: 000000000000ffcd R15: 000000000000000e [ 51.630593][ T3617] ? skb_tunnel_check_pmtu+0x5de/0x2f90 [ 51.636148][ T3617] ? __skb_get_hash_symmetric+0x400/0x400 [ 51.641896][ T3617] ? ip_tun_build_state+0x630/0x630 [ 51.647086][ T3617] ? dst_cache_set_ip4+0x143/0x240 [ 51.652197][ T3617] ? geneve_get_v4_rt+0x404/0x810 [ 51.657214][ T3617] geneve_xmit+0xcf8/0x35d0 [ 51.661712][ T3617] ? geneve_fill_metadata_dst+0xbd0/0xbd0 [ 51.667425][ T3617] ? validate_xmit_xfrm+0x493/0x10e0 [ 51.672708][ T3617] ? netif_skb_features+0x396/0xb90 [ 51.677902][ T3617] ? validate_xmit_skb+0x87d/0xf10 [ 51.683006][ T3617] __dev_direct_xmit+0x500/0x730 [ 51.687935][ T3617] ? validate_xmit_skb_list+0x120/0x120 [ 51.693473][ T3617] ? netdev_pick_tx+0x14f/0xbe0 [ 51.698316][ T3617] packet_direct_xmit+0x1b8/0x2c0 [ 51.703331][ T3617] packet_sendmsg+0x21f4/0x55d0 [ 51.708196][ T3617] ? aa_sk_perm+0x30f/0xaa0 [ 51.712777][ T3617] ? _copy_from_user+0xf9/0x170 [ 51.717631][ T3617] ? packet_lookup_frame.isra.0+0x1c0/0x1c0 [ 51.723540][ T3617] ? aa_af_perm+0x230/0x230 [ 51.729612][ T3617] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 51.734902][ T3617] ? packet_lookup_frame.isra.0+0x1c0/0x1c0 [ 51.740802][ T3617] sock_sendmsg+0xcf/0x120 [ 51.745216][ T3617] ____sys_sendmsg+0x6eb/0x810 [ 51.749976][ T3617] ? kernel_sendmsg+0x50/0x50 [ 51.754648][ T3617] ? do_recvmmsg+0x6d0/0x6d0 [ 51.759253][ T3617] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 51.765245][ T3617] ? lockdep_hardirqs_on+0x79/0x100 [ 51.770450][ T3617] ___sys_sendmsg+0xf3/0x170 [ 51.775062][ T3617] ? sendmsg_copy_msghdr+0x160/0x160 [ 51.780352][ T3617] ? lock_release+0x780/0x780 [ 51.785031][ T3617] ? ptrace_stop.part.0+0x5ec/0xa80 [ 51.790230][ T3617] ? do_raw_spin_lock+0x120/0x2a0 [ 51.795268][ T3617] ? __fget_light+0x20a/0x270 [ 51.799954][ T3617] __x64_sys_sendmsg+0x132/0x220 [ 51.804884][ T3617] ? __sys_sendmsg+0x1b0/0x1b0 [ 51.809645][ T3617] ? _raw_spin_unlock_irq+0x2a/0x40 [ 51.814850][ T3617] ? ptrace_notify+0xfa/0x140 [ 51.819520][ T3617] do_syscall_64+0x35/0xb0 [ 51.823928][ T3617] entry_SYSCALL_64_after_hwframe+0x46/0xb0 [ 51.829810][ T3617] RIP: 0033:0x7f71c5f48919 [ 51.834214][ T3617] 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 [ 51.853815][ T3617] RSP: 002b:00007fffee9c0578 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 51.862220][ T3617] RAX: ffffffffffffffda RBX: 00007fffee9c0588 RCX: 00007f71c5f48919 [ 51.870194][ T3617] RDX: 0000000000000000 RSI: 0000000020000a00 RDI: 0000000000000003 [ 51.878242][ T3617] RBP: 0000000000000003 R08: bb1414ac00000000 R09: bb1414ac00000000 [ 51.886214][ T3617] R10: 0000000000000004 R11: 0000000000000246 R12: 00007fffee9c0590 [ 51.894273][ T3617] R13: 00007fffee9c0584 R14: 0000000000000003 R15: 0000000000000000 [ 51.902245][ T3617] [ 51.905521][ T3617] Kernel Offset: disabled [ 51.909870][ T3617] Rebooting in 86400 seconds..