./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1277908787 <...> Warning: Permanently added '10.128.10.29' (ECDSA) to the list of known hosts. execve("./syz-executor1277908787", ["./syz-executor1277908787"], 0x7ffe588503c0 /* 10 vars */) = 0 brk(NULL) = 0x555555fe7000 brk(0x555555fe7c40) = 0x555555fe7c40 arch_prctl(ARCH_SET_FS, 0x555555fe7300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor1277908787", 4096) = 28 brk(0x555556008c40) = 0x555556008c40 brk(0x555556009000) = 0x555556009000 mprotect(0x7f20dcb3e000, 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 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555fe75d0) = 3609 ./strace-static-x86_64: Process 3609 attached [pid 3609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3609] setpgid(0, 0) = 0 [pid 3609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3609] write(3, "1000", 4) = 4 [pid 3609] close(3) = 0 [pid 3609] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 3609] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x34\x00\x00\x00\x37\x00\x09\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x0c\x00\x01\x80\x06\x00\x00\x00\x08\x00\x00\x00\x08\x00\x02\x00\xff\xff\xff\xff\x08\x00\x05\x00\x08\x00\x00\x00", iov_len=52}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 52 [pid 3609] exit_group(0) = ? [pid 3609] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3609, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555fe75d0) = 3611 ./strace-static-x86_64: Process 3611 attached [pid 3611] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3611] setpgid(0, 0) = 0 [pid 3611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3611] write(3, "1000", 4) = 4 [pid 3611] close(3) = 0 [pid 3611] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [ 42.568053][ T3609] device  entered promiscuous mode [ 42.592044][ T3611] ------------[ cut here ]------------ [ 42.598355][ T3611] Dropping previously announced user features [ 42.606060][ T3611] WARNING: CPU: 1 PID: 3611 at net/openvswitch/datapath.c:1619 ovs_dp_cmd_new+0xdf5/0x1300 [ 42.617352][ T3611] Modules linked in: [ 42.621767][ T3611] CPU: 1 PID: 3611 Comm: syz-executor127 Not tainted 6.0.0-syzkaller-02734-g0326074ff465 #0 [ 42.632866][ T3611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 42.644371][ T3611] RIP: 0010:ovs_dp_cmd_new+0xdf5/0x1300 [ 42.650486][ T3611] Code: 2a 0f b6 04 02 84 c0 74 04 3c 03 7e 21 c7 43 68 00 00 00 00 e9 30 fe ff ff e8 57 b9 53 f8 48 c7 c7 40 19 21 8b e8 27 a2 16 00 <0f> 0b eb be 4c 89 e7 e8 5f c7 a0 f8 eb d5 e8 f8 c6 a0 f8 e9 3f ff [ 42.671138][ T3611] RSP: 0018:ffffc90003d5f4e8 EFLAGS: 00010282 [ 42.678062][ T3611] RAX: 0000000000000000 RBX: ffff888016d6c200 RCX: 0000000000000000 [ 42.686952][ T3611] RDX: ffff88801b5fd880 RSI: ffffffff8160f6f8 RDI: fffff520007abe8f [ 42.695752][ T3611] RBP: ffff888016d7bd00 R08: 0000000000000005 R09: 0000000000000000 [ 42.704540][ T3611] R10: 0000000080000000 R11: 0000000000000000 R12: ffff888016d6c268 [ 42.713459][ T3611] R13: 0000000000000008 R14: ffff888016d7bd58 R15: ffff888074a66980 [ 42.721962][ T3611] FS: 0000555555fe7300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 42.731853][ T3611] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.739537][ T3611] CR2: 0000000020000916 CR3: 00000000725fd000 CR4: 00000000003506e0 [ 42.748300][ T3611] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.757519][ T3611] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.766280][ T3611] Call Trace: [ 42.770077][ T3611] [ 42.773923][ T3611] ? ovs_dp_cmd_fill_info+0xc30/0xc30 [ 42.779822][ T3611] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x1b7/0x290 [ 42.788080][ T3611] ? genl_family_rcv_msg_attrs_parse.constprop.0+0xaf/0x290 [ 42.796199][ T3611] genl_family_rcv_msg_doit+0x228/0x320 [ 42.802766][ T3611] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x290/0x290 [ 42.810689][ T3611] ? ns_capable+0xd9/0x100 [ 42.816133][ T3611] genl_rcv_msg+0x441/0x780 [ 42.821180][ T3611] ? genl_get_cmd+0x480/0x480 [ 42.826746][ T3611] ? ovs_dp_cmd_fill_info+0xc30/0xc30 [ 42.833107][ T3611] ? lock_release+0x780/0x780 [ 42.838312][ T3611] netlink_rcv_skb+0x153/0x420 [ 42.843987][ T3611] ? genl_get_cmd+0x480/0x480 [ 42.849200][ T3611] ? netlink_ack+0xd50/0xd50 [ 42.854773][ T3611] ? netlink_deliver_tap+0x1b1/0xc40 [ 42.860710][ T3611] genl_rcv+0x24/0x40 [ 42.866002][ T3611] netlink_unicast+0x543/0x7f0 [ 42.871295][ T3611] ? netlink_attachskb+0x880/0x880 [ 42.877354][ T3611] ? __phys_addr+0xc4/0x140 [ 42.883280][ T3611] ? __phys_addr_symbol+0x2c/0x70 [ 42.888825][ T3611] ? __check_object_size+0x2de/0x700 [ 42.895863][ T3611] netlink_sendmsg+0x917/0xe10 [ 42.901170][ T3611] ? netlink_unicast+0x7f0/0x7f0 [ 42.906989][ T3611] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 42.913096][ T3611] ? netlink_unicast+0x7f0/0x7f0 [ 42.918574][ T3611] sock_sendmsg+0xcf/0x120 [ 42.923942][ T3611] ____sys_sendmsg+0x712/0x8c0 [ 42.929242][ T3611] ? copy_msghdr_from_user+0xfc/0x150 [ 42.935554][ T3611] ? kernel_sendmsg+0x50/0x50 [ 42.940754][ T3611] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 42.947636][ T3611] ___sys_sendmsg+0x110/0x1b0 [ 42.953110][ T3611] ? do_recvmmsg+0x6e0/0x6e0 [ 42.958239][ T3611] ? lock_release+0x780/0x780 [ 42.963814][ T3611] ? ptrace_stop.part.0+0x5ec/0xa80 [ 42.969539][ T3611] ? do_raw_spin_lock+0x120/0x2a0 [ 42.975904][ T3611] ? rwlock_bug.part.0+0x90/0x90 [ 42.981534][ T3611] ? _raw_spin_lock_irq+0x41/0x50 [ 42.987496][ T3611] ? __fget_light+0x20a/0x270 [ 42.992995][ T3611] __sys_sendmsg+0xf3/0x1c0 [ 42.998018][ T3611] ? __sys_sendmsg_sock+0x30/0x30 [ 43.003955][ T3611] ? lock_downgrade+0x6e0/0x6e0 [ 43.009337][ T3611] ? lockdep_hardirqs_on+0x79/0x100 [ 43.015465][ T3611] ? _raw_spin_unlock_irq+0x2a/0x40 [ 43.021194][ T3611] ? ptrace_notify+0xfa/0x140 [ 43.026798][ T3611] do_syscall_64+0x35/0xb0 [ 43.031733][ T3611] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 43.038542][ T3611] RIP: 0033:0x7f20dcad1e89 [ 43.043748][ T3611] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 [ 43.064467][ T3611] RSP: 002b:00007fff2d1de368 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 43.073675][ T3611] RAX: ffffffffffffffda RBX: 000000000000a621 RCX: 00007f20dcad1e89 [ 43.082186][ T3611] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003 [ 43.091696][ T3611] RBP: 0000000000000000 R08: 00007fff2d1de508 R09: 00007fff2d1de508 [ 43.100435][ T3611] R10: 00007fff2d1ddde0 R11: 0000000000000246 R12: 00007fff2d1de37c [ 43.109203][ T3611] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 43.118014][ T3611] [ 43.121554][ T3611] Kernel panic - not syncing: panic_on_warn set ... [ 43.128157][ T3611] CPU: 1 PID: 3611 Comm: syz-executor127 Not tainted 6.0.0-syzkaller-02734-g0326074ff465 #0 [ 43.138246][ T3611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 43.148326][ T3611] Call Trace: [ 43.151627][ T3611] [ 43.154576][ T3611] dump_stack_lvl+0xcd/0x134 [ 43.159200][ T3611] panic+0x2c8/0x627 [ 43.163123][ T3611] ? panic_print_sys_info.part.0+0x10b/0x10b [ 43.169146][ T3611] ? __warn.cold+0x248/0x2c4 [ 43.173857][ T3611] ? ovs_dp_cmd_new+0xdf5/0x1300 [ 43.178835][ T3611] __warn.cold+0x259/0x2c4 [ 43.183279][ T3611] ? ovs_dp_cmd_new+0xdf5/0x1300 [ 43.188253][ T3611] report_bug+0x1bc/0x210 [ 43.192623][ T3611] handle_bug+0x3c/0x70 [ 43.196817][ T3611] exc_invalid_op+0x14/0x40 [ 43.201355][ T3611] asm_exc_invalid_op+0x16/0x20 [ 43.206247][ T3611] RIP: 0010:ovs_dp_cmd_new+0xdf5/0x1300 [ 43.211823][ T3611] Code: 2a 0f b6 04 02 84 c0 74 04 3c 03 7e 21 c7 43 68 00 00 00 00 e9 30 fe ff ff e8 57 b9 53 f8 48 c7 c7 40 19 21 8b e8 27 a2 16 00 <0f> 0b eb be 4c 89 e7 e8 5f c7 a0 f8 eb d5 e8 f8 c6 a0 f8 e9 3f ff [ 43.231461][ T3611] RSP: 0018:ffffc90003d5f4e8 EFLAGS: 00010282 [ 43.237560][ T3611] RAX: 0000000000000000 RBX: ffff888016d6c200 RCX: 0000000000000000 [ 43.245560][ T3611] RDX: ffff88801b5fd880 RSI: ffffffff8160f6f8 RDI: fffff520007abe8f [ 43.253562][ T3611] RBP: ffff888016d7bd00 R08: 0000000000000005 R09: 0000000000000000 [ 43.261610][ T3611] R10: 0000000080000000 R11: 0000000000000000 R12: ffff888016d6c268 [ 43.269696][ T3611] R13: 0000000000000008 R14: ffff888016d7bd58 R15: ffff888074a66980 [ 43.277705][ T3611] ? vprintk+0x88/0x90 [ 43.281811][ T3611] ? ovs_dp_cmd_new+0xdf5/0x1300 [ 43.286792][ T3611] ? ovs_dp_cmd_fill_info+0xc30/0xc30 [ 43.292206][ T3611] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x1b7/0x290 [ 43.299612][ T3611] ? genl_family_rcv_msg_attrs_parse.constprop.0+0xaf/0x290 [ 43.306941][ T3611] genl_family_rcv_msg_doit+0x228/0x320 [ 43.312527][ T3611] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x290/0x290 [ 43.319953][ T3611] ? ns_capable+0xd9/0x100 [ 43.324414][ T3611] genl_rcv_msg+0x441/0x780 [ 43.328964][ T3611] ? genl_get_cmd+0x480/0x480 [ 43.333676][ T3611] ? ovs_dp_cmd_fill_info+0xc30/0xc30 [ 43.339084][ T3611] ? lock_release+0x780/0x780 [ 43.343794][ T3611] netlink_rcv_skb+0x153/0x420 [ 43.348592][ T3611] ? genl_get_cmd+0x480/0x480 [ 43.353306][ T3611] ? netlink_ack+0xd50/0xd50 [ 43.357946][ T3611] ? netlink_deliver_tap+0x1b1/0xc40 [ 43.363277][ T3611] genl_rcv+0x24/0x40 [ 43.367295][ T3611] netlink_unicast+0x543/0x7f0 [ 43.372109][ T3611] ? netlink_attachskb+0x880/0x880 [ 43.377253][ T3611] ? __phys_addr+0xc4/0x140 [ 43.381796][ T3611] ? __phys_addr_symbol+0x2c/0x70 [ 43.386861][ T3611] ? __check_object_size+0x2de/0x700 [ 43.392192][ T3611] netlink_sendmsg+0x917/0xe10 [ 43.396993][ T3611] ? netlink_unicast+0x7f0/0x7f0 [ 43.401975][ T3611] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 43.407305][ T3611] ? netlink_unicast+0x7f0/0x7f0 [ 43.412288][ T3611] sock_sendmsg+0xcf/0x120 [ 43.416733][ T3611] ____sys_sendmsg+0x712/0x8c0 [ 43.421528][ T3611] ? copy_msghdr_from_user+0xfc/0x150 [ 43.426941][ T3611] ? kernel_sendmsg+0x50/0x50 [ 43.431655][ T3611] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 43.437670][ T3611] ___sys_sendmsg+0x110/0x1b0 [ 43.442377][ T3611] ? do_recvmmsg+0x6e0/0x6e0 [ 43.447013][ T3611] ? lock_release+0x780/0x780 [ 43.451711][ T3611] ? ptrace_stop.part.0+0x5ec/0xa80 [ 43.456942][ T3611] ? do_raw_spin_lock+0x120/0x2a0 [ 43.461997][ T3611] ? rwlock_bug.part.0+0x90/0x90 [ 43.466962][ T3611] ? _raw_spin_lock_irq+0x41/0x50 [ 43.472028][ T3611] ? __fget_light+0x20a/0x270 [ 43.476742][ T3611] __sys_sendmsg+0xf3/0x1c0 [ 43.481278][ T3611] ? __sys_sendmsg_sock+0x30/0x30 [ 43.486336][ T3611] ? lock_downgrade+0x6e0/0x6e0 [ 43.491236][ T3611] ? lockdep_hardirqs_on+0x79/0x100 [ 43.496466][ T3611] ? _raw_spin_unlock_irq+0x2a/0x40 [ 43.501705][ T3611] ? ptrace_notify+0xfa/0x140 [ 43.506507][ T3611] do_syscall_64+0x35/0xb0 [ 43.510972][ T3611] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 43.516906][ T3611] RIP: 0033:0x7f20dcad1e89 [ 43.521341][ T3611] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 [ 43.540981][ T3611] RSP: 002b:00007fff2d1de368 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 43.549450][ T3611] RAX: ffffffffffffffda RBX: 000000000000a621 RCX: 00007f20dcad1e89 [ 43.557445][ T3611] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003 [ 43.565409][ T3611] RBP: 0000000000000000 R08: 00007fff2d1de508 R09: 00007fff2d1de508 [ 43.573370][ T3611] R10: 00007fff2d1ddde0 R11: 0000000000000246 R12: 00007fff2d1de37c [ 43.581335][ T3611] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 43.589305][ T3611] [ 43.592631][ T3611] Kernel Offset: disabled [ 43.597013][ T3611] Rebooting in 86400 seconds..