./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2598027411 <...> Warning: Permanently added '10.128.0.217' (ECDSA) to the list of known hosts. execve("./syz-executor2598027411", ["./syz-executor2598027411"], 0x7ffd0238cf50 /* 10 vars */) = 0 brk(NULL) = 0x55555626b000 brk(0x55555626bc40) = 0x55555626bc40 arch_prctl(ARCH_SET_FS, 0x55555626b300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2598027411", 4096) = 28 brk(0x55555628cc40) = 0x55555628cc40 brk(0x55555628d000) = 0x55555628d000 mprotect(0x7f9aa2669000, 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=0x55555626b5d0) = 3614 ./strace-static-x86_64: Process 3614 attached [pid 3614] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3614] setpgid(0, 0) = 0 [pid 3614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3614] write(3, "1000", 4) = 4 [pid 3614] close(3) = 0 [pid 3614] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 3614] 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 3614] exit_group(0) = ? [pid 3614] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3614, 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=0x55555626b5d0) = 3616 ./strace-static-x86_64: Process 3616 attached [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 syzkaller login: [ 38.411740][ T3614] device  entered promiscuous mode [ 38.434338][ T3616] ------------[ cut here ]------------ [ 38.440108][ T3616] Dropping previously announced user features [ 38.447508][ T3616] WARNING: CPU: 1 PID: 3616 at net/openvswitch/datapath.c:1619 ovs_dp_cmd_new+0xdf5/0x1300 [ 38.458131][ T3616] Modules linked in: [ 38.462058][ T3616] CPU: 1 PID: 3616 Comm: syz-executor259 Not tainted 6.0.0-syzkaller-07994-ge8bc52cb8df8 #0 [ 38.472441][ T3616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 38.482759][ T3616] RIP: 0010:ovs_dp_cmd_new+0xdf5/0x1300 [ 38.488548][ T3616] 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 b7 fe 53 f8 48 c7 c7 00 13 21 8b e8 c7 a5 16 00 <0f> 0b eb be 4c 89 e7 e8 9f 14 a1 f8 eb d5 e8 38 14 a1 f8 e9 3f ff [ 38.508497][ T3616] RSP: 0018:ffffc90003f0f4e8 EFLAGS: 00010282 [ 38.514691][ T3616] RAX: 0000000000000000 RBX: ffff8880126fa000 RCX: 0000000000000000 [ 38.523004][ T3616] RDX: ffff88801e751d80 RSI: ffffffff8160f738 RDI: fffff520007e1e8f [ 38.531330][ T3616] RBP: ffff888016a0ae00 R08: 0000000000000005 R09: 0000000000000000 [ 38.539582][ T3616] R10: 0000000080000000 R11: 676e6970706f7244 R12: ffff8880126fa068 [ 38.547810][ T3616] R13: 0000000000000008 R14: ffff888016a0ae58 R15: ffff8880266cd880 [ 38.556206][ T3616] FS: 000055555626b300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 38.565386][ T3616] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.572008][ T3616] CR2: 0000000020000916 CR3: 00000000265ee000 CR4: 00000000003506e0 [ 38.580355][ T3616] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 38.588581][ T3616] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 38.596801][ T3616] Call Trace: [ 38.600099][ T3616] [ 38.603051][ T3616] ? ovs_dp_cmd_fill_info+0xc30/0xc30 [ 38.608809][ T3616] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x1b7/0x290 [ 38.616447][ T3616] ? genl_family_rcv_msg_attrs_parse.constprop.0+0xaf/0x290 [ 38.623775][ T3616] genl_family_rcv_msg_doit+0x228/0x320 [ 38.629662][ T3616] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x290/0x290 [ 38.637315][ T3616] ? ns_capable+0xd9/0x100 [ 38.641774][ T3616] genl_rcv_msg+0x441/0x780 [ 38.646600][ T3616] ? genl_get_cmd+0x480/0x480 [ 38.651311][ T3616] ? ovs_dp_cmd_fill_info+0xc30/0xc30 [ 38.657017][ T3616] ? lock_release+0x780/0x780 [ 38.661727][ T3616] ? rcu_read_lock_sched_held+0xd/0x70 [ 38.667503][ T3616] netlink_rcv_skb+0x153/0x420 [ 38.672300][ T3616] ? genl_get_cmd+0x480/0x480 [ 38.677308][ T3616] ? netlink_ack+0xd50/0xd50 [ 38.681935][ T3616] ? netlink_deliver_tap+0x1b1/0xc40 [ 38.687664][ T3616] genl_rcv+0x24/0x40 [ 38.691798][ T3616] netlink_unicast+0x543/0x7f0 [ 38.696905][ T3616] ? netlink_attachskb+0x880/0x880 [ 38.702049][ T3616] ? __phys_addr+0xc4/0x140 [ 38.706869][ T3616] ? __phys_addr_symbol+0x2c/0x70 [ 38.711945][ T3616] ? __check_object_size+0x2de/0x700 [ 38.717581][ T3616] netlink_sendmsg+0x917/0xe10 [ 38.722391][ T3616] ? netlink_unicast+0x7f0/0x7f0 [ 38.727651][ T3616] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 38.733067][ T3616] ? netlink_unicast+0x7f0/0x7f0 [ 38.738321][ T3616] sock_sendmsg+0xcf/0x120 [ 38.742780][ T3616] ____sys_sendmsg+0x712/0x8c0 [ 38.747853][ T3616] ? copy_msghdr_from_user+0xfc/0x150 [ 38.753261][ T3616] ? kernel_sendmsg+0x50/0x50 [ 38.758286][ T3616] ___sys_sendmsg+0x110/0x1b0 [ 38.762995][ T3616] ? do_recvmmsg+0x6e0/0x6e0 [ 38.767872][ T3616] ? __schedule+0xae7/0x52b0 [ 38.772613][ T3616] ? trace_hardirqs_on+0x2d/0x120 [ 38.781627][ T3616] ? rcu_read_lock_sched_held+0xd/0x70 [ 38.787540][ T3616] ? lock_acquire+0x480/0x570 [ 38.792261][ T3616] ? rcu_read_lock_sched_held+0xd/0x70 [ 38.798327][ T3616] ? lock_acquire+0x480/0x570 [ 38.803196][ T3616] ? lock_release+0x780/0x780 [ 38.808265][ T3616] ? ptrace_stop.part.0+0x5ec/0xa80 [ 38.813503][ T3616] ? do_raw_spin_lock+0x120/0x2a0 [ 38.818977][ T3616] ? rwlock_bug.part.0+0x90/0x90 [ 38.823957][ T3616] ? __fget_light+0x20a/0x270 [ 38.828932][ T3616] __sys_sendmsg+0xf3/0x1c0 [ 38.833469][ T3616] ? __sys_sendmsg_sock+0x30/0x30 [ 38.838877][ T3616] ? lock_downgrade+0x6e0/0x6e0 [ 38.843770][ T3616] ? _raw_spin_unlock_irq+0x2a/0x40 [ 38.849268][ T3616] ? ptrace_notify+0xfa/0x140 [ 38.853983][ T3616] do_syscall_64+0x35/0xb0 [ 38.858770][ T3616] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 38.864703][ T3616] RIP: 0033:0x7f9aa25fce89 [ 38.869449][ T3616] 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 [ 38.889337][ T3616] RSP: 002b:00007fff35f65558 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 38.898116][ T3616] RAX: ffffffffffffffda RBX: 00000000000095e8 RCX: 00007f9aa25fce89 [ 38.906573][ T3616] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003 [ 38.914576][ T3616] RBP: 0000000000000000 R08: 00007fff35f656f8 R09: 00007fff35f656f8 [ 38.922867][ T3616] R10: 00007fff35f64fd0 R11: 0000000000000246 R12: 00007fff35f6556c [ 38.931110][ T3616] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 38.939321][ T3616] [ 38.942365][ T3616] Kernel panic - not syncing: panic_on_warn set ... [ 38.948997][ T3616] CPU: 1 PID: 3616 Comm: syz-executor259 Not tainted 6.0.0-syzkaller-07994-ge8bc52cb8df8 #0 [ 38.959083][ T3616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 38.969158][ T3616] Call Trace: [ 38.972451][ T3616] [ 38.975396][ T3616] dump_stack_lvl+0xcd/0x134 [ 38.980017][ T3616] panic+0x2c8/0x622 [ 38.983956][ T3616] ? panic_print_sys_info.part.0+0x10b/0x10b [ 38.989979][ T3616] ? __warn.cold+0x248/0x2c4 [ 38.994612][ T3616] ? ovs_dp_cmd_new+0xdf5/0x1300 [ 38.999604][ T3616] __warn.cold+0x259/0x2c4 [ 39.005450][ T3616] ? ovs_dp_cmd_new+0xdf5/0x1300 [ 39.010414][ T3616] report_bug+0x1bc/0x210 [ 39.014781][ T3616] handle_bug+0x3c/0x70 [ 39.018965][ T3616] exc_invalid_op+0x14/0x40 [ 39.023504][ T3616] asm_exc_invalid_op+0x16/0x20 [ 39.028383][ T3616] RIP: 0010:ovs_dp_cmd_new+0xdf5/0x1300 [ 39.033953][ T3616] 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 b7 fe 53 f8 48 c7 c7 00 13 21 8b e8 c7 a5 16 00 <0f> 0b eb be 4c 89 e7 e8 9f 14 a1 f8 eb d5 e8 38 14 a1 f8 e9 3f ff [ 39.053586][ T3616] RSP: 0018:ffffc90003f0f4e8 EFLAGS: 00010282 [ 39.059678][ T3616] RAX: 0000000000000000 RBX: ffff8880126fa000 RCX: 0000000000000000 [ 39.067671][ T3616] RDX: ffff88801e751d80 RSI: ffffffff8160f738 RDI: fffff520007e1e8f [ 39.075668][ T3616] RBP: ffff888016a0ae00 R08: 0000000000000005 R09: 0000000000000000 [ 39.083663][ T3616] R10: 0000000080000000 R11: 676e6970706f7244 R12: ffff8880126fa068 [ 39.091664][ T3616] R13: 0000000000000008 R14: ffff888016a0ae58 R15: ffff8880266cd880 [ 39.099669][ T3616] ? vprintk+0x88/0x90 [ 39.103771][ T3616] ? ovs_dp_cmd_new+0xdf5/0x1300 [ 39.108826][ T3616] ? ovs_dp_cmd_fill_info+0xc30/0xc30 [ 39.114235][ T3616] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x1b7/0x290 [ 39.121727][ T3616] ? genl_family_rcv_msg_attrs_parse.constprop.0+0xaf/0x290 [ 39.129054][ T3616] genl_family_rcv_msg_doit+0x228/0x320 [ 39.134642][ T3616] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x290/0x290 [ 39.142055][ T3616] ? ns_capable+0xd9/0x100 [ 39.146514][ T3616] genl_rcv_msg+0x441/0x780 [ 39.151055][ T3616] ? genl_get_cmd+0x480/0x480 [ 39.155753][ T3616] ? ovs_dp_cmd_fill_info+0xc30/0xc30 [ 39.161127][ T3616] ? lock_release+0x780/0x780 [ 39.165802][ T3616] ? rcu_read_lock_sched_held+0xd/0x70 [ 39.171277][ T3616] netlink_rcv_skb+0x153/0x420 [ 39.176211][ T3616] ? genl_get_cmd+0x480/0x480 [ 39.180881][ T3616] ? netlink_ack+0xd50/0xd50 [ 39.185490][ T3616] ? netlink_deliver_tap+0x1b1/0xc40 [ 39.190790][ T3616] genl_rcv+0x24/0x40 [ 39.194789][ T3616] netlink_unicast+0x543/0x7f0 [ 39.199577][ T3616] ? netlink_attachskb+0x880/0x880 [ 39.204700][ T3616] ? __phys_addr+0xc4/0x140 [ 39.209215][ T3616] ? __phys_addr_symbol+0x2c/0x70 [ 39.214252][ T3616] ? __check_object_size+0x2de/0x700 [ 39.219542][ T3616] netlink_sendmsg+0x917/0xe10 [ 39.224308][ T3616] ? netlink_unicast+0x7f0/0x7f0 [ 39.229245][ T3616] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 39.234531][ T3616] ? netlink_unicast+0x7f0/0x7f0 [ 39.239464][ T3616] sock_sendmsg+0xcf/0x120 [ 39.243891][ T3616] ____sys_sendmsg+0x712/0x8c0 [ 39.248682][ T3616] ? copy_msghdr_from_user+0xfc/0x150 [ 39.254049][ T3616] ? kernel_sendmsg+0x50/0x50 [ 39.258735][ T3616] ___sys_sendmsg+0x110/0x1b0 [ 39.263425][ T3616] ? do_recvmmsg+0x6e0/0x6e0 [ 39.268007][ T3616] ? __schedule+0xae7/0x52b0 [ 39.272593][ T3616] ? trace_hardirqs_on+0x2d/0x120 [ 39.277616][ T3616] ? rcu_read_lock_sched_held+0xd/0x70 [ 39.283073][ T3616] ? lock_acquire+0x480/0x570 [ 39.287739][ T3616] ? rcu_read_lock_sched_held+0xd/0x70 [ 39.293193][ T3616] ? lock_acquire+0x480/0x570 [ 39.297860][ T3616] ? lock_release+0x780/0x780 [ 39.302527][ T3616] ? ptrace_stop.part.0+0x5ec/0xa80 [ 39.307717][ T3616] ? do_raw_spin_lock+0x120/0x2a0 [ 39.312756][ T3616] ? rwlock_bug.part.0+0x90/0x90 [ 39.317693][ T3616] ? __fget_light+0x20a/0x270 [ 39.322373][ T3616] __sys_sendmsg+0xf3/0x1c0 [ 39.327066][ T3616] ? __sys_sendmsg_sock+0x30/0x30 [ 39.332197][ T3616] ? lock_downgrade+0x6e0/0x6e0 [ 39.337062][ T3616] ? _raw_spin_unlock_irq+0x2a/0x40 [ 39.342265][ T3616] ? ptrace_notify+0xfa/0x140 [ 39.346956][ T3616] do_syscall_64+0x35/0xb0 [ 39.351384][ T3616] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 39.357303][ T3616] RIP: 0033:0x7f9aa25fce89 [ 39.361716][ T3616] 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 [ 39.381341][ T3616] RSP: 002b:00007fff35f65558 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 39.389844][ T3616] RAX: ffffffffffffffda RBX: 00000000000095e8 RCX: 00007f9aa25fce89 [ 39.397819][ T3616] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003 [ 39.405793][ T3616] RBP: 0000000000000000 R08: 00007fff35f656f8 R09: 00007fff35f656f8 [ 39.413765][ T3616] R10: 00007fff35f64fd0 R11: 0000000000000246 R12: 00007fff35f6556c [ 39.421749][ T3616] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 39.429725][ T3616] [ 39.432939][ T3616] Kernel Offset: disabled [ 39.437259][ T3616] Rebooting in 86400 seconds..