./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2902685434 <...> Warning: Permanently added '10.128.1.103' (ECDSA) to the list of known hosts. execve("./syz-executor2902685434", ["./syz-executor2902685434"], 0x7fff6d1d93d0 /* 10 vars */) = 0 brk(NULL) = 0x55555749d000 brk(0x55555749dc40) = 0x55555749dc40 arch_prctl(ARCH_SET_FS, 0x55555749d300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2902685434", 4096) = 28 brk(0x5555574bec40) = 0x5555574bec40 brk(0x5555574bf000) = 0x5555574bf000 mprotect(0x7fcf959cb000, 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 3616 attached , child_tidptr=0x55555749d5d0) = 3616 [pid 3616] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3616] setpgid(0, 0) = 0 [pid 3616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3616] write(3, "1000", 4) = 4 [pid 3616] close(3) = 0 [pid 3616] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 3616] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x3c\x00\x00\x00\x37\x00\x09\x00\x00\x00\x00\x00\xd6\x03\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 3616] exit_group(0) = ? [pid 3616] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3616, 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=0x55555749d5d0) = 3619 ./strace-static-x86_64: Process 3619 attached [pid 3619] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3619] setpgid(0, 0) = 0 [pid 3619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3619] write(3, "1000", 4) = 4 [pid 3619] close(3) = 0 [pid 3619] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 syzkaller login: [ 45.230639][ T3616] device  entered promiscuous mode [ 45.262102][ T3619] ------------[ cut here ]------------ [ 45.268244][ T3619] Dropping previously announced user features [ 45.276133][ T3619] WARNING: CPU: 1 PID: 3619 at net/openvswitch/datapath.c:1619 ovs_dp_cmd_new+0xdf5/0x1300 [ 45.287037][ T3619] Modules linked in: [ 45.291677][ T3619] CPU: 1 PID: 3619 Comm: syz-executor290 Not tainted 6.0.0-syzkaller-02750-gaabf6155dfb8 #0 [ 45.303336][ T3619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 45.314186][ T3619] RIP: 0010:ovs_dp_cmd_new+0xdf5/0x1300 [ 45.320265][ T3619] 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 27 ba 53 f8 48 c7 c7 80 19 21 8b e8 f7 a2 16 00 <0f> 0b eb be 4c 89 e7 e8 2f c8 a0 f8 eb d5 e8 c8 c7 a0 f8 e9 3f ff [ 45.341355][ T3619] RSP: 0018:ffffc90003d4f4e8 EFLAGS: 00010282 [ 45.347980][ T3619] RAX: 0000000000000000 RBX: ffff888016dbd500 RCX: 0000000000000000 [ 45.356839][ T3619] RDX: ffff888020cf1d80 RSI: ffffffff8160f6f8 RDI: fffff520007a9e8f [ 45.365652][ T3619] RBP: ffff888016dbd100 R08: 0000000000000005 R09: 0000000000000000 [ 45.374409][ T3619] R10: 0000000080000000 R11: 0000000000000000 R12: ffff888016dbd568 [ 45.383214][ T3619] R13: 0000000000000008 R14: ffff888016dbd158 R15: ffff88802658ac80 [ 45.391981][ T3619] FS: 000055555749d300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 45.401773][ T3619] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.408902][ T3619] CR2: 0000000020000916 CR3: 0000000071bcf000 CR4: 00000000003506e0 [ 45.418006][ T3619] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.427038][ T3619] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.435789][ T3619] Call Trace: [ 45.439744][ T3619] [ 45.443572][ T3619] ? ovs_dp_cmd_fill_info+0xc30/0xc30 [ 45.449510][ T3619] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x1b7/0x290 [ 45.457792][ T3619] ? genl_family_rcv_msg_attrs_parse.constprop.0+0xaf/0x290 [ 45.465947][ T3619] genl_family_rcv_msg_doit+0x228/0x320 [ 45.472312][ T3619] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x290/0x290 [ 45.480241][ T3619] ? ns_capable+0xd9/0x100 [ 45.485627][ T3619] genl_rcv_msg+0x441/0x780 [ 45.490641][ T3619] ? genl_get_cmd+0x480/0x480 [ 45.496304][ T3619] ? ovs_dp_cmd_fill_info+0xc30/0xc30 [ 45.502613][ T3619] ? lock_release+0x780/0x780 [ 45.509385][ T3619] netlink_rcv_skb+0x153/0x420 [ 45.515126][ T3619] ? genl_get_cmd+0x480/0x480 [ 45.520323][ T3619] ? netlink_ack+0xd50/0xd50 [ 45.525803][ T3619] ? netlink_deliver_tap+0x1b1/0xc40 [ 45.532407][ T3619] genl_rcv+0x24/0x40 [ 45.537072][ T3619] netlink_unicast+0x543/0x7f0 [ 45.542750][ T3619] ? netlink_attachskb+0x880/0x880 [ 45.548392][ T3619] ? __phys_addr+0xc4/0x140 [ 45.553874][ T3619] ? __phys_addr_symbol+0x2c/0x70 [ 45.559420][ T3619] ? __check_object_size+0x2de/0x700 [ 45.565632][ T3619] netlink_sendmsg+0x917/0xe10 [ 45.571236][ T3619] ? netlink_unicast+0x7f0/0x7f0 [ 45.576699][ T3619] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 45.582997][ T3619] ? netlink_unicast+0x7f0/0x7f0 [ 45.588453][ T3619] sock_sendmsg+0xcf/0x120 [ 45.593796][ T3619] ____sys_sendmsg+0x712/0x8c0 [ 45.599081][ T3619] ? copy_msghdr_from_user+0xfc/0x150 [ 45.605326][ T3619] ? kernel_sendmsg+0x50/0x50 [ 45.610526][ T3619] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 45.617465][ T3619] ___sys_sendmsg+0x110/0x1b0 [ 45.622933][ T3619] ? do_recvmmsg+0x6e0/0x6e0 [ 45.628057][ T3619] ? lock_release+0x780/0x780 [ 45.633706][ T3619] ? ptrace_stop.part.0+0x5ec/0xa80 [ 45.639531][ T3619] ? do_raw_spin_lock+0x120/0x2a0 [ 45.645853][ T3619] ? rwlock_bug.part.0+0x90/0x90 [ 45.651610][ T3619] ? _raw_spin_lock_irq+0x41/0x50 [ 45.657162][ T3619] ? __fget_light+0x20a/0x270 [ 45.662761][ T3619] __sys_sendmsg+0xf3/0x1c0 [ 45.667819][ T3619] ? __sys_sendmsg_sock+0x30/0x30 [ 45.673793][ T3619] ? lock_downgrade+0x6e0/0x6e0 [ 45.679187][ T3619] ? lockdep_hardirqs_on+0x79/0x100 [ 45.685332][ T3619] ? _raw_spin_unlock_irq+0x2a/0x40 [ 45.691377][ T3619] ? ptrace_notify+0xfa/0x140 [ 45.718579][ T3619] do_syscall_64+0x35/0xb0 [ 45.726121][ T3619] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 45.732886][ T3619] RIP: 0033:0x7fcf9595dee9 [ 45.737956][ T3619] 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 [ 45.759506][ T3619] RSP: 002b:00007fff9c3c0768 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 45.768774][ T3619] RAX: ffffffffffffffda RBX: 000000000000b090 RCX: 00007fcf9595dee9 [ 45.777627][ T3619] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003 [ 45.786451][ T3619] RBP: 0000000000000000 R08: 00007fff9c3c0908 R09: 00007fff9c3c0908 [ 45.795252][ T3619] R10: 00007fff9c3c01e0 R11: 0000000000000246 R12: 00007fff9c3c077c [ 45.804031][ T3619] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 45.812893][ T3619] [ 45.816403][ T3619] Kernel panic - not syncing: panic_on_warn set ... [ 45.823008][ T3619] CPU: 1 PID: 3619 Comm: syz-executor290 Not tainted 6.0.0-syzkaller-02750-gaabf6155dfb8 #0 [ 45.833099][ T3619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 45.843173][ T3619] Call Trace: [ 45.846474][ T3619] [ 45.849425][ T3619] dump_stack_lvl+0xcd/0x134 [ 45.854063][ T3619] panic+0x2c8/0x627 [ 45.858016][ T3619] ? panic_print_sys_info.part.0+0x10b/0x10b [ 45.864036][ T3619] ? __warn.cold+0x248/0x2c4 [ 45.868668][ T3619] ? ovs_dp_cmd_new+0xdf5/0x1300 [ 45.873639][ T3619] __warn.cold+0x259/0x2c4 [ 45.878082][ T3619] ? ovs_dp_cmd_new+0xdf5/0x1300 [ 45.883053][ T3619] report_bug+0x1bc/0x210 [ 45.887435][ T3619] handle_bug+0x3c/0x70 [ 45.891616][ T3619] exc_invalid_op+0x14/0x40 [ 45.896142][ T3619] asm_exc_invalid_op+0x16/0x20 [ 45.901034][ T3619] RIP: 0010:ovs_dp_cmd_new+0xdf5/0x1300 [ 45.906616][ T3619] 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 27 ba 53 f8 48 c7 c7 80 19 21 8b e8 f7 a2 16 00 <0f> 0b eb be 4c 89 e7 e8 2f c8 a0 f8 eb d5 e8 c8 c7 a0 f8 e9 3f ff [ 45.926254][ T3619] RSP: 0018:ffffc90003d4f4e8 EFLAGS: 00010282 [ 45.932355][ T3619] RAX: 0000000000000000 RBX: ffff888016dbd500 RCX: 0000000000000000 [ 45.940366][ T3619] RDX: ffff888020cf1d80 RSI: ffffffff8160f6f8 RDI: fffff520007a9e8f [ 45.948387][ T3619] RBP: ffff888016dbd100 R08: 0000000000000005 R09: 0000000000000000 [ 45.956395][ T3619] R10: 0000000080000000 R11: 0000000000000000 R12: ffff888016dbd568 [ 45.964401][ T3619] R13: 0000000000000008 R14: ffff888016dbd158 R15: ffff88802658ac80 [ 45.972439][ T3619] ? vprintk+0x88/0x90 [ 45.976552][ T3619] ? ovs_dp_cmd_new+0xdf5/0x1300 [ 45.981542][ T3619] ? ovs_dp_cmd_fill_info+0xc30/0xc30 [ 45.986973][ T3619] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x1b7/0x290 [ 45.994389][ T3619] ? genl_family_rcv_msg_attrs_parse.constprop.0+0xaf/0x290 [ 46.001732][ T3619] genl_family_rcv_msg_doit+0x228/0x320 [ 46.007324][ T3619] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x290/0x290 [ 46.014777][ T3619] ? ns_capable+0xd9/0x100 [ 46.019244][ T3619] genl_rcv_msg+0x441/0x780 [ 46.023798][ T3619] ? genl_get_cmd+0x480/0x480 [ 46.028547][ T3619] ? ovs_dp_cmd_fill_info+0xc30/0xc30 [ 46.033962][ T3619] ? lock_release+0x780/0x780 [ 46.038678][ T3619] netlink_rcv_skb+0x153/0x420 [ 46.043485][ T3619] ? genl_get_cmd+0x480/0x480 [ 46.048985][ T3619] ? netlink_ack+0xd50/0xd50 [ 46.053607][ T3619] ? netlink_deliver_tap+0x1b1/0xc40 [ 46.058929][ T3619] genl_rcv+0x24/0x40 [ 46.062942][ T3619] netlink_unicast+0x543/0x7f0 [ 46.067754][ T3619] ? netlink_attachskb+0x880/0x880 [ 46.072900][ T3619] ? __phys_addr+0xc4/0x140 [ 46.077443][ T3619] ? __phys_addr_symbol+0x2c/0x70 [ 46.082507][ T3619] ? __check_object_size+0x2de/0x700 [ 46.087854][ T3619] netlink_sendmsg+0x917/0xe10 [ 46.092662][ T3619] ? netlink_unicast+0x7f0/0x7f0 [ 46.097636][ T3619] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 46.102965][ T3619] ? netlink_unicast+0x7f0/0x7f0 [ 46.107941][ T3619] sock_sendmsg+0xcf/0x120 [ 46.112389][ T3619] ____sys_sendmsg+0x712/0x8c0 [ 46.117182][ T3619] ? copy_msghdr_from_user+0xfc/0x150 [ 46.122588][ T3619] ? kernel_sendmsg+0x50/0x50 [ 46.127302][ T3619] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 46.133332][ T3619] ___sys_sendmsg+0x110/0x1b0 [ 46.138048][ T3619] ? do_recvmmsg+0x6e0/0x6e0 [ 46.142681][ T3619] ? lock_release+0x780/0x780 [ 46.147402][ T3619] ? ptrace_stop.part.0+0x5ec/0xa80 [ 46.152636][ T3619] ? do_raw_spin_lock+0x120/0x2a0 [ 46.157692][ T3619] ? rwlock_bug.part.0+0x90/0x90 [ 46.162656][ T3619] ? _raw_spin_lock_irq+0x41/0x50 [ 46.167720][ T3619] ? __fget_light+0x20a/0x270 [ 46.172440][ T3619] __sys_sendmsg+0xf3/0x1c0 [ 46.176980][ T3619] ? __sys_sendmsg_sock+0x30/0x30 [ 46.182035][ T3619] ? lock_downgrade+0x6e0/0x6e0 [ 46.186932][ T3619] ? lockdep_hardirqs_on+0x79/0x100 [ 46.192169][ T3619] ? _raw_spin_unlock_irq+0x2a/0x40 [ 46.197411][ T3619] ? ptrace_notify+0xfa/0x140 [ 46.202118][ T3619] do_syscall_64+0x35/0xb0 [ 46.206568][ T3619] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 46.212459][ T3619] RIP: 0033:0x7fcf9595dee9 [ 46.216870][ T3619] 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 [ 46.236470][ T3619] RSP: 002b:00007fff9c3c0768 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 46.244874][ T3619] RAX: ffffffffffffffda RBX: 000000000000b090 RCX: 00007fcf9595dee9 [ 46.252832][ T3619] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003 [ 46.260791][ T3619] RBP: 0000000000000000 R08: 00007fff9c3c0908 R09: 00007fff9c3c0908 [ 46.268750][ T3619] R10: 00007fff9c3c01e0 R11: 0000000000000246 R12: 00007fff9c3c077c [ 46.276709][ T3619] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 46.284678][ T3619] [ 46.287984][ T3619] Kernel Offset: disabled [ 46.292452][ T3619] Rebooting in 86400 seconds..