./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2859133859 <...> Warning: Permanently added '10.128.0.167' (ECDSA) to the list of known hosts. execve("./syz-executor2859133859", ["./syz-executor2859133859"], 0x7ffccd7763c0 /* 10 vars */) = 0 brk(NULL) = 0x5555569c2000 brk(0x5555569c2c40) = 0x5555569c2c40 arch_prctl(ARCH_SET_FS, 0x5555569c2300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2859133859", 4096) = 28 brk(0x5555569e3c40) = 0x5555569e3c40 brk(0x5555569e4000) = 0x5555569e4000 mprotect(0x7f6396ee3000, 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./strace-static-x86_64: Process 3605 attached , child_tidptr=0x5555569c25d0) = 3605 [pid 3605] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3605] setpgid(0, 0) = 0 [pid 3605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3605] write(3, "1000", 4) = 4 [pid 3605] close(3) = 0 [pid 3605] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 3605] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x3c\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\x08\x00\x08\x80\x04\x00\x00\x00", iov_len=60}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 60 [pid 3605] exit_group(0) = ? [pid 3605] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3605, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555569c25d0) = 3607 ./strace-static-x86_64: Process 3607 attached [pid 3607] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3607] setpgid(0, 0) = 0 [pid 3607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3607] write(3, "1000", 4) = 4 [pid 3607] close(3) = 0 [pid 3607] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 syzkaller login: [ 35.780268][ T3605] device  entered promiscuous mode [ 35.796783][ T3607] ------------[ cut here ]------------ [ 35.802584][ T3607] Dropping previously announced user features [ 35.809523][ T3607] WARNING: CPU: 0 PID: 3607 at net/openvswitch/datapath.c:1619 ovs_dp_cmd_new+0xdf5/0x1300 [ 35.819792][ T3607] Modules linked in: [ 35.823754][ T3607] CPU: 0 PID: 3607 Comm: syz-executor285 Not tainted 6.0.0-syzkaller-09589-g55be6084c8e0 #0 [ 35.835275][ T3607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 35.845831][ T3607] RIP: 0010:ovs_dp_cmd_new+0xdf5/0x1300 [ 35.851497][ T3607] 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 e7 bc 53 f8 48 c7 c7 80 29 21 8b e8 ea a0 16 00 <0f> 0b eb be 4c 89 e7 e8 3f 24 a1 f8 eb d5 e8 d8 23 a1 f8 e9 3f ff [ 35.871544][ T3607] RSP: 0018:ffffc9000404f4e8 EFLAGS: 00010282 [ 35.877877][ T3607] RAX: 0000000000000000 RBX: ffff888016a2a700 RCX: 0000000000000000 [ 35.886089][ T3607] RDX: ffff888026e41d80 RSI: ffffffff81612e28 RDI: fffff52000809e8f [ 35.894163][ T3607] RBP: ffff888016a2a200 R08: 0000000000000005 R09: 0000000000000000 [ 35.902556][ T3607] R10: 0000000080000000 R11: 676e6970706f7244 R12: ffff888016a2a768 [ 35.911398][ T3607] R13: 0000000000000008 R14: ffff888016a2a258 R15: ffff88801c1c1500 [ 35.919670][ T3607] FS: 00005555569c2300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 35.928910][ T3607] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.935731][ T3607] CR2: 00007f99384f8ff8 CR3: 000000007439d000 CR4: 0000000000350ee0 [ 35.943792][ T3607] Call Trace: [ 35.947449][ T3607] [ 35.950452][ T3607] ? ovs_dp_cmd_fill_info+0xc30/0xc30 [ 35.956430][ T3607] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x1b7/0x290 [ 35.963930][ T3607] ? genl_family_rcv_msg_attrs_parse.constprop.0+0xaf/0x290 [ 35.971706][ T3607] genl_family_rcv_msg_doit+0x228/0x320 [ 35.977530][ T3607] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x290/0x290 [ 35.985403][ T3607] ? ns_capable+0xd9/0x100 [ 35.990035][ T3607] genl_rcv_msg+0x441/0x780 [ 35.994588][ T3607] ? genl_get_cmd+0x480/0x480 [ 35.999704][ T3607] ? ovs_dp_cmd_fill_info+0xc30/0xc30 [ 36.005371][ T3607] ? lock_release+0x780/0x780 [ 36.010125][ T3607] ? rcu_read_lock_sched_held+0xd/0x70 [ 36.015918][ T3607] netlink_rcv_skb+0x153/0x420 [ 36.020839][ T3607] ? genl_get_cmd+0x480/0x480 [ 36.026087][ T3607] ? netlink_ack+0xd50/0xd50 [ 36.030794][ T3607] ? netlink_deliver_tap+0x1b1/0xc40 [ 36.036520][ T3607] genl_rcv+0x24/0x40 [ 36.056468][ T3607] netlink_unicast+0x543/0x7f0 [ 36.061394][ T3607] ? netlink_attachskb+0x880/0x880 [ 36.067285][ T3607] ? __phys_addr+0xc4/0x140 [ 36.071939][ T3607] ? __phys_addr_symbol+0x2c/0x70 [ 36.077351][ T3607] ? __check_object_size+0x2de/0x700 [ 36.082779][ T3607] netlink_sendmsg+0x917/0xe10 [ 36.088186][ T3607] ? netlink_unicast+0x7f0/0x7f0 [ 36.093231][ T3607] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 36.098962][ T3607] ? netlink_unicast+0x7f0/0x7f0 [ 36.103943][ T3607] sock_sendmsg+0xcf/0x120 [ 36.108845][ T3607] ____sys_sendmsg+0x712/0x8c0 [ 36.113654][ T3607] ? copy_msghdr_from_user+0xfc/0x150 [ 36.119490][ T3607] ? kernel_sendmsg+0x50/0x50 [ 36.124214][ T3607] ___sys_sendmsg+0x110/0x1b0 [ 36.129352][ T3607] ? do_recvmmsg+0x6e0/0x6e0 [ 36.133986][ T3607] ? __schedule+0xae7/0x5270 [ 36.138973][ T3607] ? trace_hardirqs_on+0x2d/0x120 [ 36.144037][ T3607] ? rcu_read_lock_sched_held+0xd/0x70 [ 36.150045][ T3607] ? lock_acquire+0x480/0x570 [ 36.154753][ T3607] ? rcu_read_lock_sched_held+0xd/0x70 [ 36.160578][ T3607] ? lock_acquire+0x480/0x570 [ 36.165490][ T3607] ? lock_release+0x780/0x780 [ 36.170187][ T3607] ? ptrace_stop.part.0+0x49a/0x8c0 [ 36.175774][ T3607] ? do_raw_spin_lock+0x120/0x2a0 [ 36.180829][ T3607] ? rwlock_bug.part.0+0x90/0x90 [ 36.186068][ T3607] ? __fget_light+0x20a/0x270 [ 36.190771][ T3607] __sys_sendmsg+0xf3/0x1c0 [ 36.195631][ T3607] ? __sys_sendmsg_sock+0x30/0x30 [ 36.200710][ T3607] ? lock_downgrade+0x6e0/0x6e0 [ 36.206285][ T3607] ? _raw_spin_unlock_irq+0x2a/0x40 [ 36.211514][ T3607] ? ptrace_notify+0xfa/0x140 [ 36.216566][ T3607] do_syscall_64+0x35/0xb0 [ 36.221016][ T3607] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 36.227318][ T3607] RIP: 0033:0x7f6396e75ee9 [ 36.231764][ T3607] 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 [ 36.251806][ T3607] RSP: 002b:00007ffce51d8868 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 36.260518][ T3607] RAX: ffffffffffffffda RBX: 0000000000008b97 RCX: 00007f6396e75ee9 [ 36.268803][ T3607] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003 [ 36.277190][ T3607] RBP: 0000000000000000 R08: 00007ffce51d8a08 R09: 00007ffce51d8a08 [ 36.285484][ T3607] R10: 00007ffce51d82e0 R11: 0000000000000246 R12: 00007ffce51d887c [ 36.293478][ T3607] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 36.301911][ T3607] [ 36.305107][ T3607] Kernel panic - not syncing: panic_on_warn set ... [ 36.311704][ T3607] CPU: 1 PID: 3607 Comm: syz-executor285 Not tainted 6.0.0-syzkaller-09589-g55be6084c8e0 #0 [ 36.321785][ T3607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 36.331870][ T3607] Call Trace: [ 36.335161][ T3607] [ 36.338097][ T3607] dump_stack_lvl+0xcd/0x134 [ 36.342712][ T3607] panic+0x2c8/0x622 [ 36.346640][ T3607] ? panic_print_sys_info.part.0+0x10b/0x10b [ 36.352650][ T3607] ? __warn.cold+0x248/0x2c4 [ 36.357261][ T3607] ? ovs_dp_cmd_new+0xdf5/0x1300 [ 36.362214][ T3607] __warn.cold+0x259/0x2c4 [ 36.366665][ T3607] ? ovs_dp_cmd_new+0xdf5/0x1300 [ 36.371623][ T3607] report_bug+0x1bc/0x210 [ 36.375996][ T3607] handle_bug+0x3c/0x70 [ 36.380191][ T3607] exc_invalid_op+0x14/0x40 [ 36.384721][ T3607] asm_exc_invalid_op+0x16/0x20 [ 36.389596][ T3607] RIP: 0010:ovs_dp_cmd_new+0xdf5/0x1300 [ 36.395189][ T3607] 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 e7 bc 53 f8 48 c7 c7 80 29 21 8b e8 ea a0 16 00 <0f> 0b eb be 4c 89 e7 e8 3f 24 a1 f8 eb d5 e8 d8 23 a1 f8 e9 3f ff [ 36.414911][ T3607] RSP: 0018:ffffc9000404f4e8 EFLAGS: 00010282 [ 36.420980][ T3607] RAX: 0000000000000000 RBX: ffff888016a2a700 RCX: 0000000000000000 [ 36.429627][ T3607] RDX: ffff888026e41d80 RSI: ffffffff81612e28 RDI: fffff52000809e8f [ 36.438071][ T3607] RBP: ffff888016a2a200 R08: 0000000000000005 R09: 0000000000000000 [ 36.446236][ T3607] R10: 0000000080000000 R11: 676e6970706f7244 R12: ffff888016a2a768 [ 36.454543][ T3607] R13: 0000000000000008 R14: ffff888016a2a258 R15: ffff88801c1c1500 [ 36.462609][ T3607] ? vprintk+0x88/0x90 [ 36.466955][ T3607] ? ovs_dp_cmd_new+0xdf5/0x1300 [ 36.471892][ T3607] ? ovs_dp_cmd_fill_info+0xc30/0xc30 [ 36.477343][ T3607] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x1b7/0x290 [ 36.484718][ T3607] ? genl_family_rcv_msg_attrs_parse.constprop.0+0xaf/0x290 [ 36.492046][ T3607] genl_family_rcv_msg_doit+0x228/0x320 [ 36.497616][ T3607] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x290/0x290 [ 36.504995][ T3607] ? ns_capable+0xd9/0x100 [ 36.509426][ T3607] genl_rcv_msg+0x441/0x780 [ 36.513940][ T3607] ? genl_get_cmd+0x480/0x480 [ 36.518640][ T3607] ? ovs_dp_cmd_fill_info+0xc30/0xc30 [ 36.524002][ T3607] ? lock_release+0x780/0x780 [ 36.528670][ T3607] ? rcu_read_lock_sched_held+0xd/0x70 [ 36.534132][ T3607] netlink_rcv_skb+0x153/0x420 [ 36.538910][ T3607] ? genl_get_cmd+0x480/0x480 [ 36.543606][ T3607] ? netlink_ack+0xd50/0xd50 [ 36.548220][ T3607] ? netlink_deliver_tap+0x1b1/0xc40 [ 36.553534][ T3607] genl_rcv+0x24/0x40 [ 36.557517][ T3607] netlink_unicast+0x543/0x7f0 [ 36.562302][ T3607] ? netlink_attachskb+0x880/0x880 [ 36.567405][ T3607] ? __phys_addr+0xc4/0x140 [ 36.571919][ T3607] ? __phys_addr_symbol+0x2c/0x70 [ 36.576994][ T3607] ? __check_object_size+0x2de/0x700 [ 36.582312][ T3607] netlink_sendmsg+0x917/0xe10 [ 36.587069][ T3607] ? netlink_unicast+0x7f0/0x7f0 [ 36.591996][ T3607] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 36.597280][ T3607] ? netlink_unicast+0x7f0/0x7f0 [ 36.602205][ T3607] sock_sendmsg+0xcf/0x120 [ 36.606627][ T3607] ____sys_sendmsg+0x712/0x8c0 [ 36.611414][ T3607] ? copy_msghdr_from_user+0xfc/0x150 [ 36.616789][ T3607] ? kernel_sendmsg+0x50/0x50 [ 36.621496][ T3607] ___sys_sendmsg+0x110/0x1b0 [ 36.626177][ T3607] ? do_recvmmsg+0x6e0/0x6e0 [ 36.630777][ T3607] ? __schedule+0xae7/0x5270 [ 36.635768][ T3607] ? trace_hardirqs_on+0x2d/0x120 [ 36.641229][ T3607] ? rcu_read_lock_sched_held+0xd/0x70 [ 36.647447][ T3607] ? lock_acquire+0x480/0x570 [ 36.652458][ T3607] ? rcu_read_lock_sched_held+0xd/0x70 [ 36.658008][ T3607] ? lock_acquire+0x480/0x570 [ 36.662803][ T3607] ? lock_release+0x780/0x780 [ 36.667508][ T3607] ? ptrace_stop.part.0+0x49a/0x8c0 [ 36.672785][ T3607] ? do_raw_spin_lock+0x120/0x2a0 [ 36.677800][ T3607] ? rwlock_bug.part.0+0x90/0x90 [ 36.682752][ T3607] ? __fget_light+0x20a/0x270 [ 36.687420][ T3607] __sys_sendmsg+0xf3/0x1c0 [ 36.691920][ T3607] ? __sys_sendmsg_sock+0x30/0x30 [ 36.696931][ T3607] ? lock_downgrade+0x6e0/0x6e0 [ 36.701788][ T3607] ? _raw_spin_unlock_irq+0x2a/0x40 [ 36.707012][ T3607] ? ptrace_notify+0xfa/0x140 [ 36.711684][ T3607] do_syscall_64+0x35/0xb0 [ 36.716115][ T3607] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 36.721997][ T3607] RIP: 0033:0x7f6396e75ee9 [ 36.726399][ T3607] 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 [ 36.746007][ T3607] RSP: 002b:00007ffce51d8868 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 36.754428][ T3607] RAX: ffffffffffffffda RBX: 0000000000008b97 RCX: 00007f6396e75ee9 [ 36.762397][ T3607] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003 [ 36.770569][ T3607] RBP: 0000000000000000 R08: 00007ffce51d8a08 R09: 00007ffce51d8a08 [ 36.778553][ T3607] R10: 00007ffce51d82e0 R11: 0000000000000246 R12: 00007ffce51d887c [ 36.786522][ T3607] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 36.794509][ T3607] [ 36.798594][ T3607] Kernel Offset: disabled [ 36.802919][ T3607] Rebooting in 86400 seconds..