./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1551233593 <...> Warning: Permanently added '10.128.1.102' (ECDSA) to the list of known hosts. execve("./syz-executor1551233593", ["./syz-executor1551233593"], 0x7fff8dffe210 /* 10 vars */) = 0 brk(NULL) = 0x5555559b4000 brk(0x5555559b4c40) = 0x5555559b4c40 arch_prctl(ARCH_SET_FS, 0x5555559b4300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor1551233593", 4096) = 28 brk(0x5555559d5c40) = 0x5555559d5c40 brk(0x5555559d6000) = 0x5555559d6000 mprotect(0x7f33f7f85000, 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=0x5555559b45d0) = 305 ./strace-static-x86_64: Process 305 attached [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] mkdir("./file0", 000) = 0 [pid 305] pipe2([3, 4], 0) = 0 [pid 305] pipe2([5, 6], 0) = 0 [pid 305] pipe2([7, 8], 0) = 0 [pid 305] pipe2([9, 10], 0) = 0 [pid 305] pipe2([11, 12], 0) = 0 [pid 305] pipe2([13, 14], 0) = 0 [pid 305] pipe2([15, 16], 0) = 0 [pid 305] pipe2([17, 18], 0) = 0 [pid 305] pipe2([19, 20], 0) = 0 [pid 305] pipe2([21, 22], 0) = 0 [pid 305] pipe2([23, 24], 0) = 0 [pid 305] pipe2([25, 26], 0) = 0 [pid 305] pipe2([27, 28], 0) = 0 [pid 305] pipe2([29, 30], 0) = 0 [pid 305] pipe2([31, 32], 0) = 0 [pid 305] pipe2([33, 34], 0) = 0 [pid 305] pipe2([35, 36], 0) = 0 [pid 305] pipe2([37, 38], 0) = 0 [pid 305] pipe2([39, 40], 0) = 0 [pid 305] pipe2([41, 42], 0) = 0 [pid 305] pipe2([43, 44], 0) = 0 [pid 305] pipe2([45, 46], 0) = 0 [pid 305] pipe2([47, 48], 0) = 0 [pid 305] pipe2([49, 50], 0) = 0 [pid 305] pipe2([51, 52], 0) = 0 [pid 305] pipe2([53, 54], 0) = 0 [pid 305] pipe2([55, 56], 0) = 0 [pid 305] pipe2([57, 58], 0) = 0 [pid 305] pipe2([59, 60], 0) = 0 [pid 305] pipe2([61, 62], 0) = 0 [pid 305] pipe2([63, 64], 0) = 0 [pid 305] pipe2([65, 66], 0) = 0 [pid 305] pipe2([67, 68], 0) = 0 [pid 305] pipe2([69, 70], 0) = 0 [pid 305] pipe2([71, 72], 0) = 0 [pid 305] pipe2([73, 74], 0) = 0 [pid 305] pipe2([75, 76], 0) = 0 [pid 305] pipe2([77, 78], 0) = 0 [pid 305] pipe2([79, 80], 0) = 0 [pid 305] pipe2([81, 82], 0) = 0 [pid 305] pipe2([83, 84], 0) = 0 [pid 305] pipe2([85, 86], 0) = 0 [pid 305] pipe2([87, 88], 0) = 0 [pid 305] pipe2([89, 90], 0) = 0 [pid 305] pipe2([91, 92], 0) = 0 [pid 305] pipe2([93, 94], 0) = 0 [pid 305] pipe2([95, 96], 0) = 0 [pid 305] pipe2([97, 98], 0) = 0 [pid 305] pipe2([99, 100], 0) = 0 [pid 305] pipe2([101, 102], 0) = 0 [pid 305] pipe2([103, 104], 0) = 0 [pid 305] pipe2([105, 106], 0) = 0 [pid 305] pipe2([107, 108], 0) = 0 [pid 305] pipe2([109, 110], 0) = 0 [pid 305] pipe2([111, 112], 0) = 0 [pid 305] pipe2([113, 114], 0) = 0 [pid 305] pipe2([115, 116], 0) = 0 [pid 305] pipe2([117, 118], 0) = 0 [pid 305] pipe2([119, 120], 0) = 0 [pid 305] pipe2([121, 122], 0) = 0 [pid 305] pipe2([123, 124], 0) = 0 [pid 305] pipe2([125, 126], 0) = 0 [pid 305] pipe2([127, 128], 0) = 0 [pid 305] pipe2([129, 130], 0) = 0 [pid 305] pipe2([131, 132], 0) = 0 [ 18.860591][ T22] audit: type=1400 audit(1657249019.109:73): avc: denied { execmem } for pid=304 comm="syz-executor155" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 18.894232][ T22] audit: type=1400 audit(1657249019.149:74): avc: denied { mounton } for pid=305 comm="syz-executor155" 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 305] mount(NULL, "./file0", "9p", 0, "trans=fd,rfdno=0x0000000000000083,wfdno=00000000000000000132" [pid 304] kill(-305, SIGKILL) = 0 [pid 304] kill(305, SIGKILL) = 0 [pid 304] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 304] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 304] getdents64(3, 0x5555559b5620 /* 2 entries */, 32768) = 48 [pid 304] getdents64(3, 0x5555559b5620 /* 0 entries */, 32768) = 0 [pid 304] close(3) = 0 [ 66.801518][ T12] cfg80211: failed to load regulatory.db