ci2-android-6-1/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-6-1/syz-executor1528199644 <...> syzkaller syzkaller login: [ 16.230005][ T28] kauditd_printk_skb: 31 callbacks suppressed [ 16.230020][ T28] audit: type=1400 audit(1791341983.127:59): avc: denied { transition } for pid=225 comm="sshd-session" path="/bin/sh" dev="sda1" ino=90 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 16.234568][ T28] audit: type=1400 audit(1791341983.127:60): avc: denied { noatsecure } for pid=225 comm="sshd-session" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 16.238676][ T28] audit: type=1400 audit(1791341983.137:61): avc: denied { write } for pid=225 comm="sh" path="pipe:[14949]" dev="pipefs" ino=14949 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 16.242243][ T28] audit: type=1400 audit(1791341983.137:62): avc: denied { rlimitinh } for pid=225 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 16.245272][ T28] audit: type=1400 audit(1791341983.137:63): avc: denied { siginh } for pid=225 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.0.165' (ED25519) to the list of known hosts. execve("ci2-android-6-1/syz-executor1528199644", ["ci2-android-6-1/syz-executor1528199644"], 0x7ffdca905610 /* 10 vars */) = 0 brk(NULL) = 0x5555875c3000 brk(0x5555875c3d40) = 0x5555875c3d40 arch_prctl(ARCH_SET_FS, 0x5555875c33c0) = 0 set_tid_address(0x5555875c3690) = 305 set_robust_list(0x5555875c36a0, 24) = 0 rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 32, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci2-android-6-1/syz-executor1528199644", 4096) = 44 getrandom("\x07\x63\x15\x71\x55\x19\x0a\x0c", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555875c3d40 brk(0x5555875e4d40) = 0x5555875e4d40 brk(0x5555875e5000) = 0x5555875e5000 mprotect(0x7f58089a9000, 20480, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555875c3690) = 306 ci2-android-6-1/strace-static-x86_64: Process 306 attached [pid 305] rt_sigprocmask(SIG_SETMASK, [] [pid 306] set_robust_list(0x5555875c36a0, 24) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 306] setpgid(0, 0) = 0 [pid 306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 306] write(3, "1000", 4) = 4 [pid 306] close(3) = 0 [pid 306] write(1, "executing program\n", 18) = 18 executing program [pid 306] mkdir("./sys", 0777) = 0 [pid 306] mount(NULL, "./sys", "sysfs", 0, NULL) = 0 [pid 306] openat(AT_FDCWD, "./sys/bus/pci/devices/0000:00:04.0/remove", O_WRONLY) = 3 [ 295.296977][ T28] audit: type=1400 audit(1791342262.197:64): avc: denied { execmem } for pid=305 comm="syz-executor152" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 295.319818][ T28] audit: type=1400 audit(1791342262.217:65): avc: denied { mounton } for pid=306 comm="syz-executor152" path="/root/sys" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 295.342891][ T28] audit: type=1400 audit(1791342262.227:66): avc: denied { mount } for pid=306 comm="syz-executor152" name="/" dev="sysfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysfs_t tclass=filesystem permissive=1 [ 295.477407][ T28] audit: type=1400 audit(1791342262.377:67): avc: denied { read } for pid=142 comm="dhcpcd" scontext=system_u:system_r:dhcpc_t tcontext=system_u:system_r:dhcpc_t tclass=netlink_kobject_uevent_socket permissive=1 [ 295.679519][ T28] audit: type=1400 audit(1791342262.577:68): avc: denied { mounton } for pid=336 comm="syz-executor152" path="/root/sys" dev="sysfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysfs_t tclass=dir permissive=1