./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3799677000 <...> forked to background, child pid 3059 no interfaces have a carrier [ 94.682452][ T3060] 8021q: adding VLAN 0 to HW filter on device bond0 [ 94.702272][ T3060] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 105.365894][ T123] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.212' (ECDSA) to the list of known hosts. execve("./syz-executor3799677000", ["./syz-executor3799677000"], 0x7ffeddbe93f0 /* 10 vars */) = 0 brk(NULL) = 0x55555664b000 brk(0x55555664bc40) = 0x55555664bc40 arch_prctl(ARCH_SET_FS, 0x55555664b300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor3799677000", 4096) = 28 brk(0x55555666cc40) = 0x55555666cc40 brk(0x55555666d000) = 0x55555666d000 mprotect(0x7f8965e72000, 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./strace-static-x86_64: Process 3494 attached , child_tidptr=0x55555664b5d0) = 3494 [pid 3494] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3494] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3494] setsid() = 1 [pid 3494] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3494] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3494] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3494] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3494] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 3494] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3494] unshare(CLONE_NEWNS) = 0 [pid 3494] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3494] unshare(CLONE_NEWIPC) = 0 [pid 3494] unshare(CLONE_NEWCGROUP) = 0 [pid 3494] unshare(CLONE_NEWUTS) = 0 [pid 3494] unshare(CLONE_SYSVSEM) = 0 [pid 3494] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3494] write(3, "16777216", 8) = 8 [pid 3494] close(3) = 0 [pid 3494] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3494] write(3, "536870912", 9) = 9 [pid 3494] close(3) = 0 [pid 3494] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3494] write(3, "1024", 4) = 4 [pid 3494] close(3) = 0 [pid 3494] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3494] write(3, "8192", 4) = 4 [pid 3494] close(3) = 0 [pid 3494] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3494] write(3, "1024", 4) = 4 [pid 3494] close(3) = 0 [pid 3494] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3494] write(3, "1024", 4) = 4 [pid 3494] close(3) = 0 [pid 3494] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3494] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3494] close(3) = 0 [pid 3494] getpid() = 1 [pid 3494] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 131.817437][ T3495] dump_stack_lvl+0x1c8/0x256 [ 131.822226][ T3495] dump_stack+0x1a/0x23 [ 131.826542][ T3495] panic+0x4d3/0xc64 [ 131.830606][ T3495] ? add_taint+0x104/0x1a0 [ 131.835167][ T3495] kmsan_report+0x2ca/0x2d0 [ 131.839803][ T3495] ? __msan_warning+0x92/0x110 [ 131.844696][ T3495] ? hwsim_cloned_frame_received_nl+0x1401/0x1530 [ 131.851227][ T3495] ? genl_rcv_msg+0x1447/0x1500 [ 131.856203][ T3495] ? netlink_rcv_skb+0x3b5/0x6e0 [ 131.861283][ T3495] ? genl_rcv+0x3c/0x50 [ 131.865615][ T3495] ? netlink_unicast+0xf3b/0x1270 [ 131.870773][ T3495] ? netlink_sendmsg+0x127d/0x1430 [ 131.876065][ T3495] ? __sys_sendto+0x7f2/0xa60 [ 131.880929][ T3495] ? __x64_sys_sendto+0x121/0x1c0 [ 131.887003][ T3495] ? do_syscall_64+0x3d/0xb0 [ 131.891734][ T3495] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 131.898119][ T3495] ? __kmem_cache_alloc_node+0x71f/0xc90 [ 131.903914][ T3495] ? hwsim_cloned_frame_received_nl+0x1cd/0x1530 [ 131.910484][ T3495] ? kmsan_get_shadow_origin_ptr+0x49/0xa0 [ 131.916422][ T3495] ? __rcu_read_unlock+0x76/0xd0 [ 131.921540][ T3495] ? get_hwsim_data_ref_from_addr+0x62b/0x670 [ 131.927873][ T3495] ? kmsan_get_shadow_origin_ptr+0x49/0xa0 [ 131.933864][ T3495] __msan_warning+0x92/0x110 [ 131.938611][ T3495] hwsim_cloned_frame_received_nl+0x1401/0x1530 [ 131.945042][ T3495] ? __nla_parse+0x5b/0x70 [ 131.949744][ T3495] ? hwsim_register_received_nl+0x330/0x330 [ 131.955993][ T3495] genl_rcv_msg+0x1447/0x1500 [ 131.960814][ T3495] ? hwsim_register_received_nl+0x330/0x330 [ 131.966930][ T3495] netlink_rcv_skb+0x3b5/0x6e0 [ 131.971868][ T3495] ? genl_bind+0x470/0x470 [ 131.976460][ T3495] ? genl_pernet_exit+0x60/0x60 [ 131.981457][ T3495] genl_rcv+0x3c/0x50 [ 131.986345][ T3495] netlink_unicast+0xf3b/0x1270 [ 131.991413][ T3495] netlink_sendmsg+0x127d/0x1430 [ 131.996561][ T3495] ? netlink_getsockopt+0x13b0/0x13b0 [ 132.002071][ T3495] __sys_sendto+0x7f2/0xa60 [ 132.006842][ T3495] ? preempt_count_sub+0x7d/0x280 [ 132.012058][ T3495] ? kmsan_get_shadow_origin_ptr+0x49/0xa0 [ 132.018049][ T3495] __x64_sys_sendto+0x121/0x1c0 [ 132.023128][ T3495] do_syscall_64+0x3d/0xb0 [ 132.027718][ T3495] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 132.033850][ T3495] RIP: 0033:0x7f8965dc0f46 [ 132.038845][ T3495] 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 [ 132.058796][ T3495] RSP: 002b:00007fff66f3b528 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 132.067500][ T3495] RAX: ffffffffffffffda RBX: 00007fff66f3b5a0 RCX: 00007f8965dc0f46 [ 132.075652][ T3495] RDX: 0000000000000034 RSI: 00007fff66f3b5f0 RDI: 0000000000000003 [ 132.084238][ T3495] RBP: 0000000000000001 R08: 00007fff66f3b544 R09: 000000000000000c [ 132.092603][ T3495] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 132.100876][ T3495] R13: 00007fff66f3b5f0 R14: 0000000000000003 R15: 0000000000000000 [ 132.108985][ T3495] [ 132.112369][ T3495] Kernel Offset: disabled [ 132.116759][ T3495] Rebooting in 86400 seconds..