./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1294423854 <...> Warning: Permanently added '10.128.10.39' (ECDSA) to the list of known hosts. execve("./syz-executor1294423854", ["./syz-executor1294423854"], 0x7ffe4f0cf320 /* 10 vars */) = 0 brk(NULL) = 0x55555702b000 brk(0x55555702bc40) = 0x55555702bc40 arch_prctl(ARCH_SET_FS, 0x55555702b300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 set_tid_address(0x55555702b5d0) = 304 set_robust_list(0x55555702b5e0, 24) = 0 rt_sigaction(SIGRTMIN, {sa_handler=0x7fd35fd26820, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7fd35fd26ef0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7fd35fd268c0, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd35fd26ef0}, NULL, 8) = 0 rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1294423854", 4096) = 28 brk(0x55555704cc40) = 0x55555704cc40 brk(0x55555704d000) = 0x55555704d000 mprotect(0x7fd35fdea000, 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=0x55555702b5d0) = 305 ./strace-static-x86_64: Process 305 attached [pid 305] set_robust_list(0x55555702b5e0, 24) = 0 [pid 305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 305] setpgid(0, 0) = 0 [pid 305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 305] write(3, "1000", 4) = 4 [pid 305] close(3) = 0 [pid 305] futex(0x7fd35fdf04cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd35fcf6000 [pid 305] mprotect(0x7fd35fcf7000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 305] clone(child_stack=0x7fd35fd163f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[306], tls=0x7fd35fd16700, child_tidptr=0x7fd35fd169d0) = 306 [pid 305] futex(0x7fd35fdf04c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] futex(0x7fd35fdf04cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 306 attached [pid 306] set_robust_list(0x7fd35fd169e0, 24) = 0 [pid 306] mkdirat(AT_FDCWD, "./file0", 000) = 0 [pid 306] futex(0x7fd35fdf04cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... futex resumed>) = 0 [pid 305] futex(0x7fd35fdf04c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] futex(0x7fd35fdf04cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... futex resumed>) = 1 [pid 306] openat(AT_FDCWD, "/dev/fuse", O_RDWR|O_CREAT, 000) = 3 [pid 306] futex(0x7fd35fdf04cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... futex resumed>) = 0 [pid 305] futex(0x7fd35fdf04c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] futex(0x7fd35fdf04cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... futex resumed>) = 1 [pid 306] mount(NULL, "./file0", "fuse", 0, "fd=0x0000000000000003,rootmode=00000000000000000040000,user_id=00000000000000000000,group_id=0000000"...) = 0 [pid 306] futex(0x7fd35fdf04cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... futex resumed>) = 0 [pid 305] futex(0x7fd35fdf04c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] futex(0x7fd35fdf04cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... futex resumed>) = 1 [pid 306] read(3, "\x38\x00\x00\x00\x1a\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00\x1f\x00\x00\x00\x00\x00\x02\x00\xfb\xff\xff\x83", 8224) = 56 [pid 306] futex(0x7fd35fdf04cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... futex resumed>) = 0 [pid 305] futex(0x7fd35fdf04c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] futex(0x7fd35fdf04cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... futex resumed>) = 1 [pid 306] pivot_root("./file0", "./file0") = 0 [pid 306] futex(0x7fd35fdf04cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... futex resumed>) = 0 [pid 305] futex(0x7fd35fdf04c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] futex(0x7fd35fdf04cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... futex resumed>) = 1 [pid 306] write(3, "\x50\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00\x1f\x00\x00\x00\x00\x00\x00\x00\x15\x30\x02\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 80) = 80 [pid 306] futex(0x7fd35fdf04cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... futex resumed>) = 0 [pid 305] futex(0x7fd35fdf04c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] futex(0x7fd35fdf04cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... futex resumed>) = 1 [ 18.743617][ T23] audit: type=1400 audit(1667776981.410:73): avc: denied { execmem } for pid=304 comm="syz-executor129" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 18.750398][ T23] audit: type=1400 audit(1667776981.410:74): avc: denied { read write } for pid=305 comm="syz-executor129" name="fuse" dev="devtmpfs" ino=9253 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fuse_device_t tclass=chr_file permissive=1 [ 18.758494][ T23] audit: type=1400 audit(1667776981.410:75): avc: denied { open } for pid=305 comm="syz-executor129" path="/dev/fuse" dev="devtmpfs" ino=9253 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fuse_device_t tclass=chr_file permissive=1 [ 18.762200][ T23] audit: type=1400 audit(1667776981.410:76): avc: denied { mounton } for pid=305 comm="syz-executor129" path="/root/file0" dev="sda1" ino=1138 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [pid 306] openat(AT_FDCWD, "/dev/input/mouse6", O_RDONLY|O_DIRECT [pid 305] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 305] futex(0x7fd35fdf04cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 305] futex(0x7fd35fdf04dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 305] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd35fcd5000 [pid 305] mprotect(0x7fd35fcd6000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 305] clone(child_stack=0x7fd35fcf53f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 308 attached , parent_tid=[308], tls=0x7fd35fcf5700, child_tidptr=0x7fd35fcf59d0) = 308 [pid 308] set_robust_list(0x7fd35fcf59e0, 24) = 0 [pid 308] futex(0x7fd35fdf04d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 305] futex(0x7fd35fdf04d8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 308] <... futex resumed>) = 0 [pid 305] futex(0x7fd35fdf04dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 308] read(3, "\x2c\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x32\x01\x00\x00\x00\x00\x00\x00\x64\x65\x76\x00", 8192) = 44 [pid 308] futex(0x7fd35fdf04dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 308] futex(0x7fd35fdf04d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 305] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 305] futex(0x7fd35fdf04d8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 308] <... futex resumed>) = 0 [pid 305] futex(0x7fd35fdf04dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 18.773043][ T23] audit: type=1400 audit(1667776981.410:77): avc: denied { mount } for pid=305 comm="syz-executor129" name="/" dev="fuse" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [pid 308] write(3, "\x2c\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00\x28\x39\x5c\x00", 44 [pid 305] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 305] futex(0x7fd35fdf04dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 305] exit_group(0) = ? [ 19.815397][ T23] audit: type=1400 audit(1667776982.480:78): avc: denied { search } for pid=137 comm="syslogd" name="/" dev="fuse" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1 [pid 304] kill(-305, SIGKILL) = 0 [pid 304] kill(305, SIGKILL) = 0 [ 66.453217][ T116] cfg80211: failed to load regulatory.db