./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2976542156 <...> Warning: Permanently added '10.128.0.238' (ED25519) to the list of known hosts. execve("./syz-executor2976542156", ["./syz-executor2976542156"], 0x7fff8faac3c0 /* 10 vars */) = 0 brk(NULL) = 0x555555631000 brk(0x555555631d00) = 0x555555631d00 arch_prctl(ARCH_SET_FS, 0x555555631380) = 0 set_tid_address(0x555555631650) = 288 set_robust_list(0x555555631660, 24) = 0 rseq(0x555555631ca0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2976542156", 4096) = 28 getrandom("\x65\x5b\xd9\xfc\x2d\x8d\x41\x0f", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555631d00 brk(0x555555652d00) = 0x555555652d00 brk(0x555555653000) = 0x555555653000 mprotect(0x7f23bfa71000, 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./strace-static-x86_64: Process 289 attached , child_tidptr=0x555555631650) = 289 [pid 289] set_robust_list(0x555555631660, 24) = 0 [pid 289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 289] setpgid(0, 0) = 0 [pid 289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 289] write(3, "1000", 4) = 4 [pid 289] close(3) = 0 [pid 289] openat(AT_FDCWD, "/dev/char/4:20", O_RDWR) = 3 [pid 289] openat(AT_FDCWD, "/proc/self/fd/3", O_RDWR) = 4 [pid 289] openat(AT_FDCWD, "/proc/self/fd/4", O_RDWR) = 5 [ 21.537180][ T24] audit: type=1400 audit(1712294905.959:66): avc: denied { execmem } for pid=288 comm="syz-executor297" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 21.547349][ T24] audit: type=1400 audit(1712294905.969:67): avc: denied { mounton } for pid=289 comm="syz-executor297" path="/root" dev="sda1" ino=1206 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_dir_t tclass=dir permissive=1 [pid 289] mount(NULL, ".", "9p", 0, "trans=fd,rfdno=0x0000000000000005,wfdno=0x0000000000000004," [pid 288] kill(-289, SIGKILL) = 0 [pid 288] kill(289, SIGKILL) = 0 [pid 288] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 288] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 288] getdents64(3, 0x5555556326f0 /* 2 entries */, 32768) = 48 [pid 288] getdents64(3, 0x5555556326f0 /* 0 entries */, 32768) = 0 [pid 288] close(3) = 0