./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1448681982 <...> forked to background, child pid 3062 no interfaces have a carrier [ 87.622176][ T3063] 8021q: adding VLAN 0 to HW filter on device bond0 [ 87.636363][ T3063] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 100.273395][ T28] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.139' (ECDSA) to the list of known hosts. execve("./syz-executor1448681982", ["./syz-executor1448681982"], 0x7fffee9103a0 /* 10 vars */) = 0 brk(NULL) = 0x5555561cf000 brk(0x5555561cfc40) = 0x5555561cfc40 arch_prctl(ARCH_SET_FS, 0x5555561cf300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor1448681982", 4096) = 28 brk(0x5555561f0c40) = 0x5555561f0c40 brk(0x5555561f1000) = 0x5555561f1000 mprotect(0x7ff1b5b95000, 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 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555561cf5d0) = 3468 ./strace-static-x86_64: Process 3468 attached [pid 3468] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3468] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3468] setsid() = 1 [pid 3468] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3468] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3468] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3468] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3468] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 3468] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3468] unshare(CLONE_NEWNS) = 0 [pid 3468] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3468] unshare(CLONE_NEWIPC) = 0 [pid 3468] unshare(CLONE_NEWCGROUP) = 0 [pid 3468] unshare(CLONE_NEWUTS) = 0 [pid 3468] unshare(CLONE_SYSVSEM) = 0 [pid 3468] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3468] write(3, "16777216", 8) = 8 [pid 3468] close(3) = 0 [pid 3468] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3468] write(3, "536870912", 9) = 9 [pid 3468] close(3) = 0 [pid 3468] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3468] write(3, "1024", 4) = 4 [pid 3468] close(3) = 0 [pid 3468] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3468] write(3, "8192", 4) = 4 [pid 3468] close(3) = 0 [pid 3468] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3468] write(3, "1024", 4) = 4 [pid 3468] close(3) = 0 [pid 3468] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3468] write(3, "1024", 4) = 4 [pid 3468] close(3) = 0 [pid 3468] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3468] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3468] close(3) = 0 [pid 3468] getpid() = 1 [pid 3468] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 125.462982][ T3469] dump_stack_lvl+0x1c8/0x256 [ 125.467784][ T3469] dump_stack+0x1a/0x21 [ 125.472066][ T3469] panic+0x4d3/0xc64 [ 125.476071][ T3469] ? add_taint+0x104/0x1a0 [ 125.480607][ T3469] kmsan_report+0x2ca/0x2d0 [ 125.485285][ T3469] ? __msan_warning+0x92/0x110 [ 125.490163][ T3469] ? hwsim_cloned_frame_received_nl+0x1401/0x1530 [ 125.496771][ T3469] ? genl_rcv_msg+0x1447/0x1500 [ 125.501775][ T3469] ? netlink_rcv_skb+0x3b5/0x6e0 [ 125.506827][ T3469] ? genl_rcv+0x3c/0x50 [ 125.511056][ T3469] ? netlink_unicast+0xf3b/0x1270 [ 125.516198][ T3469] ? netlink_sendmsg+0x127d/0x1430 [ 125.521436][ T3469] ? __sys_sendto+0x7f2/0xa60 [ 125.526224][ T3469] ? __x64_sys_sendto+0x121/0x1c0 [ 125.531347][ T3469] ? do_syscall_64+0x3d/0xb0 [ 125.536062][ T3469] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 125.542229][ T3469] ? __kmem_cache_alloc_node+0x71f/0xc90 [ 125.548045][ T3469] ? hwsim_cloned_frame_received_nl+0x1cd/0x1530 [ 125.554561][ T3469] ? kmsan_get_shadow_origin_ptr+0x49/0xa0 [ 125.560509][ T3469] ? __rcu_read_unlock+0x76/0xd0 [ 125.565552][ T3469] ? get_hwsim_data_ref_from_addr+0x62b/0x670 [ 125.571808][ T3469] ? kmsan_get_shadow_origin_ptr+0x49/0xa0 [ 125.577776][ T3469] __msan_warning+0x92/0x110 [ 125.582456][ T3469] hwsim_cloned_frame_received_nl+0x1401/0x1530 [ 125.588867][ T3469] ? __nla_parse+0x5b/0x70 [ 125.593411][ T3469] ? hwsim_register_received_nl+0x330/0x330 [ 125.599402][ T3469] genl_rcv_msg+0x1447/0x1500 [ 125.604194][ T3469] ? hwsim_register_received_nl+0x330/0x330 [ 125.610292][ T3469] netlink_rcv_skb+0x3b5/0x6e0 [ 125.615156][ T3469] ? genl_bind+0x470/0x470 [ 125.619740][ T3469] ? genl_pernet_exit+0x60/0x60 [ 125.624728][ T3469] genl_rcv+0x3c/0x50 [ 125.628847][ T3469] netlink_unicast+0xf3b/0x1270 [ 125.633882][ T3469] netlink_sendmsg+0x127d/0x1430 [ 125.638944][ T3469] ? netlink_getsockopt+0x13b0/0x13b0 [ 125.644469][ T3469] __sys_sendto+0x7f2/0xa60 [ 125.649142][ T3469] ? preempt_count_sub+0x7d/0x280 [ 125.654315][ T3469] ? kmsan_get_shadow_origin_ptr+0x49/0xa0 [ 125.660306][ T3469] __x64_sys_sendto+0x121/0x1c0 [ 125.665289][ T3469] do_syscall_64+0x3d/0xb0 [ 125.669810][ T3469] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 125.675857][ T3469] RIP: 0033:0x7ff1b5ae3f46 [ 125.680363][ T3469] Code: 48 c7 c0 ff ff ff ff eb b7 66 2e 0f 1f 84 00 00 00 00 00 90 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 11 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 72 c3 90 55 48 83 ec 30 44 89 4c 24 2c 4c 89 [ 125.700078][ T3469] RSP: 002b:00007ffdb9a724c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 125.708608][ T3469] RAX: ffffffffffffffda RBX: 00007ffdb9a72540 RCX: 00007ff1b5ae3f46 [ 125.716712][ T3469] RDX: 0000000000000034 RSI: 00007ffdb9a72590 RDI: 0000000000000003 [ 125.724787][ T3469] RBP: 0000000000000001 R08: 00007ffdb9a724e4 R09: 000000000000000c [ 125.732829][ T3469] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 125.740862][ T3469] R13: 00007ffdb9a72590 R14: 0000000000000003 R15: 0000000000000000 [ 125.748944][ T3469] [ 125.752212][ T3469] Kernel Offset: disabled [ 125.756590][ T3469] Rebooting in 86400 seconds..