./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3762065829 <...> Warning: Permanently added '10.128.10.37' (ECDSA) to the list of known hosts. execve("./syz-executor3762065829", ["./syz-executor3762065829"], 0x7fff7defd990 /* 10 vars */) = 0 brk(NULL) = 0x555556224000 brk(0x555556224c40) = 0x555556224c40 arch_prctl(ARCH_SET_FS, 0x555556224300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3762065829", 4096) = 28 brk(0x555556245c40) = 0x555556245c40 brk(0x555556246000) = 0x555556246000 mprotect(0x7fc32879a000, 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=0x5555562245d0) = 3605 ./strace-static-x86_64: Process 3605 attached [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} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555562245d0) = 3608 ./strace-static-x86_64: Process 3608 attached [pid 3608] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3608] setpgid(0, 0) = 0 [pid 3608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3608] write(3, "1000", 4) = 4 [pid 3608] close(3) = 0 [pid 3608] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 syzkaller login: [ 38.019414][ T3605] device  entered promiscuous mode [ 38.053041][ T3608] ------------[ cut here ]------------ [ 38.058554][ T3608] Dropping previously announced user features [ 38.065674][ T3608] WARNING: CPU: 1 PID: 3608 at net/openvswitch/datapath.c:1619 ovs_dp_cmd_new+0xdf5/0x1300 [ 38.075961][ T3608] Modules linked in: [ 38.079866][ T3608] CPU: 1 PID: 3608 Comm: syz-executor376 Not tainted 6.0.0-syzkaller-09589-g55be6084c8e0 #0 [ 38.090391][ T3608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 38.100748][ T3608] RIP: 0010:ovs_dp_cmd_new+0xdf5/0x1300 [ 38.106462][ T3608] 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 [ 38.126526][ T3608] RSP: 0018:ffffc90003a9f4e8 EFLAGS: 00010282 [ 38.132871][ T3608] RAX: 0000000000000000 RBX: ffff88814ada1f00 RCX: 0000000000000000 [ 38.141589][ T3608] RDX: ffff888027448000 RSI: ffffffff81612e28 RDI: fffff52000753e8f [ 38.149580][ T3608] RBP: ffff8880127d4500 R08: 0000000000000005 R09: 0000000000000000 [ 38.157814][ T3608] R10: 0000000080000000 R11: 676e6970706f7244 R12: ffff88814ada1f68 [ 38.166126][ T3608] R13: 0000000000000008 R14: ffff8880127d4558 R15: ffff88807900e980 [ 38.174243][ T3608] FS: 0000555556224300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 38.183326][ T3608] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.189960][ T3608] CR2: 0000000020000916 CR3: 0000000070141000 CR4: 0000000000350ee0 [ 38.198393][ T3608] Call Trace: [ 38.201829][ T3608] [ 38.204774][ T3608] ? ovs_dp_cmd_fill_info+0xc30/0xc30 [ 38.210253][ T3608] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x1b7/0x290 [ 38.217876][ T3608] ? genl_family_rcv_msg_attrs_parse.constprop.0+0xaf/0x290 [ 38.225330][ T3608] genl_family_rcv_msg_doit+0x228/0x320 [ 38.230900][ T3608] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x290/0x290 [ 38.238552][ T3608] ? ns_capable+0xd9/0x100 [ 38.243171][ T3608] genl_rcv_msg+0x441/0x780 [ 38.247702][ T3608] ? genl_get_cmd+0x480/0x480 [ 38.252678][ T3608] ? ovs_dp_cmd_fill_info+0xc30/0xc30 [ 38.258077][ T3608] ? lock_release+0x780/0x780 [ 38.262992][ T3608] ? rcu_read_lock_sched_held+0xd/0x70 [ 38.268493][ T3608] netlink_rcv_skb+0x153/0x420 [ 38.273538][ T3608] ? genl_get_cmd+0x480/0x480 [ 38.278241][ T3608] ? netlink_ack+0xd50/0xd50 [ 38.297571][ T3608] ? netlink_deliver_tap+0x1b1/0xc40 [ 38.306943][ T3608] genl_rcv+0x24/0x40 [ 38.308822][ T3350] openvswitch: cpu_id mismatch with handler threads [ 38.311237][ T3608] netlink_unicast+0x543/0x7f0 [ 38.323060][ T3608] ? netlink_attachskb+0x880/0x880 [ 38.328482][ T3608] ? __phys_addr+0xc4/0x140 [ 38.333659][ T3608] ? __phys_addr_symbol+0x2c/0x70 [ 38.338977][ T3608] ? __check_object_size+0x2de/0x700 [ 38.341212][ T3350] openvswitch: cpu_id mismatch with handler threads [ 38.344839][ T3608] netlink_sendmsg+0x917/0xe10 [ 38.356435][ T3608] ? netlink_unicast+0x7f0/0x7f0 [ 38.361574][ T3608] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 38.366879][ T3608] ? netlink_unicast+0x7f0/0x7f0 [ 38.372058][ T3608] sock_sendmsg+0xcf/0x120 [ 38.376674][ T3608] ____sys_sendmsg+0x712/0x8c0 [ 38.381702][ T3608] ? copy_msghdr_from_user+0xfc/0x150 [ 38.387093][ T3608] ? kernel_sendmsg+0x50/0x50 [ 38.392057][ T3608] ___sys_sendmsg+0x110/0x1b0 [ 38.396754][ T3608] ? do_recvmmsg+0x6e0/0x6e0 [ 38.401631][ T3608] ? __schedule+0xae7/0x5270 [ 38.406243][ T3608] ? trace_hardirqs_on+0x2d/0x120 [ 38.411575][ T3608] ? rcu_read_lock_sched_held+0xd/0x70 [ 38.417056][ T3608] ? lock_acquire+0x480/0x570 [ 38.421987][ T3608] ? rcu_read_lock_sched_held+0xd/0x70 [ 38.427474][ T3608] ? lock_acquire+0x480/0x570 [ 38.432430][ T3608] ? lock_release+0x780/0x780 [ 38.437125][ T3608] ? ptrace_stop.part.0+0x49a/0x8c0 [ 38.443005][ T3608] ? do_raw_spin_lock+0x120/0x2a0 [ 38.448335][ T3608] ? rwlock_bug.part.0+0x90/0x90 [ 38.453830][ T3608] ? __fget_light+0x20a/0x270 [ 38.458798][ T3608] __sys_sendmsg+0xf3/0x1c0 [ 38.463847][ T3608] ? __sys_sendmsg_sock+0x30/0x30 [ 38.469168][ T3608] ? lock_downgrade+0x6e0/0x6e0 [ 38.474577][ T3608] ? _raw_spin_unlock_irq+0x2a/0x40 [ 38.480089][ T3608] ? ptrace_notify+0xfa/0x140 [ 38.485266][ T3608] do_syscall_64+0x35/0xb0 [ 38.489983][ T3608] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 38.496393][ T3608] RIP: 0033:0x7fc32872cee9 [ 38.501431][ T3608] 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 [ 38.521645][ T3608] RSP: 002b:00007ffc2aafa1a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 38.530381][ T3608] RAX: ffffffffffffffda RBX: 0000000000009462 RCX: 00007fc32872cee9 [ 38.538926][ T3608] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003 [ 38.547451][ T3608] RBP: 0000000000000000 R08: 00007ffc2aafa348 R09: 00007ffc2aafa348 [ 38.555915][ T3608] R10: 00007ffc2aaf9c20 R11: 0000000000000246 R12: 00007ffc2aafa1bc [ 38.559119][ T3183] openvswitch: cpu_id mismatch with handler threads [ 38.564339][ T3608] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 38.579466][ T3608] [ 38.583107][ T3608] Kernel panic - not syncing: panic_on_warn set ... [ 38.589695][ T3608] CPU: 0 PID: 3608 Comm: syz-executor376 Not tainted 6.0.0-syzkaller-09589-g55be6084c8e0 #0 [ 38.599770][ T3608] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 38.609892][ T3608] Call Trace: [ 38.613152][ T3608] [ 38.616064][ T3608] dump_stack_lvl+0xcd/0x134 [ 38.620641][ T3608] panic+0x2c8/0x622 [ 38.624547][ T3608] ? panic_print_sys_info.part.0+0x10b/0x10b [ 38.630519][ T3608] ? __warn.cold+0x248/0x2c4 [ 38.635095][ T3608] ? ovs_dp_cmd_new+0xdf5/0x1300 [ 38.640031][ T3608] __warn.cold+0x259/0x2c4 [ 38.641193][ T3350] openvswitch: cpu_id mismatch with handler threads [ 38.644435][ T3608] ? ovs_dp_cmd_new+0xdf5/0x1300 [ 38.655945][ T3608] report_bug+0x1bc/0x210 [ 38.660262][ T3608] handle_bug+0x3c/0x70 [ 38.664413][ T3608] exc_invalid_op+0x14/0x40 [ 38.668932][ T3608] asm_exc_invalid_op+0x16/0x20 [ 38.673765][ T3608] RIP: 0010:ovs_dp_cmd_new+0xdf5/0x1300 [ 38.679289][ T3608] 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 [ 38.698902][ T3608] RSP: 0018:ffffc90003a9f4e8 EFLAGS: 00010282 [ 38.704966][ T3608] RAX: 0000000000000000 RBX: ffff88814ada1f00 RCX: 0000000000000000 [ 38.712939][ T3608] RDX: ffff888027448000 RSI: ffffffff81612e28 RDI: fffff52000753e8f [ 38.720929][ T3608] RBP: ffff8880127d4500 R08: 0000000000000005 R09: 0000000000000000 [ 38.728912][ T3608] R10: 0000000080000000 R11: 676e6970706f7244 R12: ffff88814ada1f68 [ 38.736891][ T3608] R13: 0000000000000008 R14: ffff8880127d4558 R15: ffff88807900e980 [ 38.744894][ T3608] ? vprintk+0x88/0x90 [ 38.748984][ T3608] ? ovs_dp_cmd_new+0xdf5/0x1300 [ 38.753929][ T3608] ? ovs_dp_cmd_fill_info+0xc30/0xc30 [ 38.759297][ T3608] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x1b7/0x290 [ 38.766670][ T3608] ? genl_family_rcv_msg_attrs_parse.constprop.0+0xaf/0x290 [ 38.773978][ T3608] genl_family_rcv_msg_doit+0x228/0x320 [ 38.779524][ T3608] ? genl_family_rcv_msg_attrs_parse.constprop.0+0x290/0x290 [ 38.786903][ T3608] ? ns_capable+0xd9/0x100 [ 38.791320][ T3608] genl_rcv_msg+0x441/0x780 [ 38.795820][ T3608] ? genl_get_cmd+0x480/0x480 [ 38.800494][ T3608] ? ovs_dp_cmd_fill_info+0xc30/0xc30 [ 38.805884][ T3608] ? lock_release+0x780/0x780 [ 38.810559][ T3608] ? rcu_read_lock_sched_held+0xd/0x70 [ 38.816048][ T3608] netlink_rcv_skb+0x153/0x420 [ 38.820827][ T3608] ? genl_get_cmd+0x480/0x480 [ 38.825537][ T3608] ? netlink_ack+0xd50/0xd50 [ 38.830131][ T3608] ? netlink_deliver_tap+0x1b1/0xc40 [ 38.835419][ T3608] genl_rcv+0x24/0x40 [ 38.839401][ T3608] netlink_unicast+0x543/0x7f0 [ 38.844205][ T3608] ? netlink_attachskb+0x880/0x880 [ 38.849334][ T3608] ? __phys_addr+0xc4/0x140 [ 38.853840][ T3608] ? __phys_addr_symbol+0x2c/0x70 [ 38.858863][ T3608] ? __check_object_size+0x2de/0x700 [ 38.864161][ T3608] netlink_sendmsg+0x917/0xe10 [ 38.868925][ T3608] ? netlink_unicast+0x7f0/0x7f0 [ 38.873856][ T3608] ? bpf_lsm_socket_sendmsg+0x5/0x10 [ 38.879172][ T3608] ? netlink_unicast+0x7f0/0x7f0 [ 38.884106][ T3608] sock_sendmsg+0xcf/0x120 [ 38.888534][ T3608] ____sys_sendmsg+0x712/0x8c0 [ 38.893307][ T3608] ? copy_msghdr_from_user+0xfc/0x150 [ 38.898677][ T3608] ? kernel_sendmsg+0x50/0x50 [ 38.903376][ T3608] ___sys_sendmsg+0x110/0x1b0 [ 38.908059][ T3608] ? do_recvmmsg+0x6e0/0x6e0 [ 38.912645][ T3608] ? __schedule+0xae7/0x5270 [ 38.917232][ T3608] ? trace_hardirqs_on+0x2d/0x120 [ 38.922259][ T3608] ? rcu_read_lock_sched_held+0xd/0x70 [ 38.927723][ T3608] ? lock_acquire+0x480/0x570 [ 38.932392][ T3608] ? rcu_read_lock_sched_held+0xd/0x70 [ 38.937883][ T3608] ? lock_acquire+0x480/0x570 [ 38.942559][ T3608] ? lock_release+0x780/0x780 [ 38.947231][ T3608] ? ptrace_stop.part.0+0x49a/0x8c0 [ 38.952427][ T3608] ? do_raw_spin_lock+0x120/0x2a0 [ 38.957467][ T3608] ? rwlock_bug.part.0+0x90/0x90 [ 38.962407][ T3608] ? __fget_light+0x20a/0x270 [ 38.967089][ T3608] __sys_sendmsg+0xf3/0x1c0 [ 38.971588][ T3608] ? __sys_sendmsg_sock+0x30/0x30 [ 38.976610][ T3608] ? lock_downgrade+0x6e0/0x6e0 [ 38.981484][ T3608] ? _raw_spin_unlock_irq+0x2a/0x40 [ 38.986696][ T3608] ? ptrace_notify+0xfa/0x140 [ 38.991364][ T3608] do_syscall_64+0x35/0xb0 [ 38.995778][ T3608] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 39.001665][ T3608] RIP: 0033:0x7fc32872cee9 [ 39.006070][ T3608] 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 [ 39.025676][ T3608] RSP: 002b:00007ffc2aafa1a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 39.034087][ T3608] RAX: ffffffffffffffda RBX: 0000000000009462 RCX: 00007fc32872cee9 [ 39.042056][ T3608] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003 [ 39.050107][ T3608] RBP: 0000000000000000 R08: 00007ffc2aafa348 R09: 00007ffc2aafa348 [ 39.058082][ T3608] R10: 00007ffc2aaf9c20 R11: 0000000000000246 R12: 00007ffc2aafa1bc [ 39.066054][ T3608] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 39.074217][ T3608] [ 39.078294][ T3608] Kernel Offset: disabled [ 39.082603][ T3608] Rebooting in 86400 seconds..