./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2862518217 <...> forked to background, child pid 3063 no interfaces have a carrier [ 92.714926][ T3064] 8021q: adding VLAN 0 to HW filter on device bond0 [ 92.741765][ T3064] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 105.373609][ T124] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.91' (ECDSA) to the list of known hosts. execve("./syz-executor2862518217", ["./syz-executor2862518217"], 0x7ffd9c5698a0 /* 10 vars */) = 0 brk(NULL) = 0x5555574c9000 brk(0x5555574c9c40) = 0x5555574c9c40 arch_prctl(ARCH_SET_FS, 0x5555574c9300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor2862518217", 4096) = 28 brk(0x5555574eac40) = 0x5555574eac40 brk(0x5555574eb000) = 0x5555574eb000 mprotect(0x7fc3def22000, 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 3473 attached , child_tidptr=0x5555574c95d0) = 3473 [pid 3473] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 3473] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3473] setsid() = 1 [pid 3473] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 3473] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 3473] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 3473] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 3473] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 3473] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 3473] unshare(CLONE_NEWNS) = 0 [pid 3473] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 3473] unshare(CLONE_NEWIPC) = 0 [pid 3473] unshare(CLONE_NEWCGROUP) = 0 [pid 3473] unshare(CLONE_NEWUTS) = 0 [pid 3473] unshare(CLONE_SYSVSEM) = 0 [pid 3473] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3473] write(3, "16777216", 8) = 8 [pid 3473] close(3) = 0 [pid 3473] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 3473] write(3, "536870912", 9) = 9 [pid 3473] close(3) = 0 [pid 3473] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3473] write(3, "1024", 4) = 4 [pid 3473] close(3) = 0 [pid 3473] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 3473] write(3, "8192", 4) = 4 [pid 3473] close(3) = 0 [pid 3473] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 3473] write(3, "1024", 4) = 4 [pid 3473] close(3) = 0 [pid 3473] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 3473] write(3, "1024", 4) = 4 [pid 3473] close(3) = 0 [pid 3473] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 3473] write(3, "1024 1048576 500 1024", 21) = 21 [pid 3473] close(3) = 0 [pid 3473] getpid() = 1 [pid 3473] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [ 141.976598][ T3497] dump_stack_lvl+0x1c8/0x256 [ 141.981399][ T3497] dump_stack+0x1a/0x21 [ 141.985680][ T3497] panic+0x4d3/0xc64 [ 141.989686][ T3497] ? add_taint+0x104/0x1a0 [ 141.994207][ T3497] kmsan_report+0x2ca/0x2d0 [ 141.998811][ T3497] ? is_module_text_address+0x425/0x670 [ 142.004491][ T3497] ? kmsan_get_shadow_origin_ptr+0x49/0xa0 [ 142.010418][ T3497] ? kmsan_internal_check_memory+0x472/0x530 [ 142.016563][ T3497] ? kmsan_handle_skb+0x2a/0x60 [ 142.021555][ T3497] ? xmit_one+0x100/0x5f0 [ 142.025970][ T3497] ? dev_hard_start_xmit+0xe5/0x370 [ 142.031298][ T3497] ? __dev_queue_xmit+0x1dec/0x31f0 [ 142.036610][ T3497] ? __netlink_deliver_tap+0x7f6/0xca0 [ 142.042169][ T3497] ? netlink_unicast+0x10fb/0x1270 [ 142.047397][ T3497] ? netlink_sendmsg+0x127d/0x1430 [ 142.052599][ T3497] ? __sys_sendto+0x7f2/0xa60 [ 142.057401][ T3497] ? __x64_sys_sendto+0x121/0x1c0 [ 142.062536][ T3497] ? do_syscall_64+0x3d/0xb0 [ 142.067227][ T3497] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 142.073449][ T3497] ? kernel_text_address+0x11d/0x1a0 [ 142.078920][ T3497] ? kmsan_get_shadow_origin_ptr+0x49/0xa0 [ 142.084909][ T3497] ? kmsan_get_shadow_origin_ptr+0x49/0xa0 [ 142.090888][ T3497] ? kmsan_get_shadow_origin_ptr+0x49/0xa0 [ 142.096848][ T3497] ? kmsan_metadata_is_contiguous+0xda/0x1e0 [ 142.102957][ T3497] kmsan_internal_check_memory+0x472/0x530 [ 142.108946][ T3497] kmsan_handle_skb+0x2a/0x60 [ 142.113775][ T3497] xmit_one+0x100/0x5f0 [ 142.118061][ T3497] dev_hard_start_xmit+0xe5/0x370 [ 142.123201][ T3497] ? kmsan_get_shadow_origin_ptr+0x49/0xa0 [ 142.129184][ T3497] __dev_queue_xmit+0x1dec/0x31f0 [ 142.134373][ T3497] ? kmsan_get_shadow_origin_ptr+0x49/0xa0 [ 142.140293][ T3497] __netlink_deliver_tap+0x7f6/0xca0 [ 142.145684][ T3497] netlink_unicast+0x10fb/0x1270 [ 142.150774][ T3497] netlink_sendmsg+0x127d/0x1430 [ 142.155874][ T3497] ? netlink_getsockopt+0x13b0/0x13b0 [ 142.161372][ T3497] __sys_sendto+0x7f2/0xa60 [ 142.166007][ T3497] ? preempt_count_sub+0x7d/0x280 [ 142.171155][ T3497] ? kmsan_get_shadow_origin_ptr+0x49/0xa0 [ 142.177215][ T3497] __x64_sys_sendto+0x121/0x1c0 [ 142.182184][ T3497] do_syscall_64+0x3d/0xb0 [ 142.186831][ T3497] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 142.192830][ T3497] RIP: 0033:0x7fc3deeaeac9 [ 142.197332][ T3497] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 41 15 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 [ 142.217057][ T3497] RSP: 002b:00007ffed3b35038 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 142.225595][ T3497] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc3deeaeac9 [ 142.233653][ T3497] RDX: 0000000000010a73 RSI: 0000000020000000 RDI: 0000000000000003 [ 142.241734][ T3497] RBP: 0000000000000000 R08: 0000000000000000 R09: 4b6ae4f95a5de35b [ 142.249777][ T3497] R10: 0000000000000800 R11: 0000000000000246 R12: 00007ffed3b35060 [ 142.257833][ T3497] R13: 00000000000f4240 R14: 0000000000000000 R15: 0000000000000000 [ 142.265918][ T3497] [ 142.269151][ T3497] Kernel Offset: disabled [ 142.273528][ T3497] Rebooting in 86400 seconds..