./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3186408770 <...> syzkaller syzkaller login: [ 13.095385][ T28] kauditd_printk_skb: 48 callbacks suppressed [ 13.095397][ T28] audit: type=1400 audit(1752102823.978:59): 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 [ 13.099426][ T28] audit: type=1400 audit(1752102823.978:60): 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 [ 13.102028][ T28] audit: type=1400 audit(1752102823.978:61): avc: denied { write } for pid=225 comm="sh" path="pipe:[14110]" dev="pipefs" ino=14110 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 13.104973][ T28] audit: type=1400 audit(1752102823.978:62): 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 [ 13.107631][ T28] audit: type=1400 audit(1752102823.978:63): 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 '10.128.0.225' (ED25519) to the list of known hosts. execve("./syz-executor3186408770", ["./syz-executor3186408770"], 0x7ffd043161e0 /* 10 vars */) = 0 brk(NULL) = 0x555588f43000 brk(0x555588f43d00) = 0x555588f43d00 arch_prctl(ARCH_SET_FS, 0x555588f43380) = 0 set_tid_address(0x555588f43650) = 290 set_robust_list(0x555588f43660, 24) = 0 rseq(0x555588f43ca0, 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-executor3186408770", 4096) = 28 getrandom("\x93\x3c\xba\x4a\x6a\x9e\xb3\x71", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555588f43d00 brk(0x555588f64d00) = 0x555588f64d00 brk(0x555588f65000) = 0x555588f65000 mprotect(0x7f439e68f000, 16384, 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, 0executing program ) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555588f43650) = 291 ./strace-static-x86_64: Process 291 attached [pid 291] set_robust_list(0x555588f43660, 24) = 0 [pid 291] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 291] setpgid(0, 0) = 0 [pid 291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 291] write(3, "1000", 4) = 4 [pid 291] close(3) = 0 [pid 291] write(1, "executing program\n", 18) = 18 [pid 291] bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_LPM_TRIE, key_size=7, value_size=51671, max_entries=9, map_flags=BPF_F_NO_PREALLOC, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = 3 [pid 291] bpf(BPF_MAP_UPDATE_ELEM, {map_fd=3, key=0x200000000580, value=0x2000000005c0, flags=BPF_ANY}, 32) = 0 [pid 291] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_RAW_TRACEPOINT, insn_cnt=13, insns=0x2000000002c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(0, 0, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_CGROUP_INET_INGRESS, prog_btf_fd=-1, func_info_rec_size=0, func_info=NULL, func_info_cnt=0, line_info_rec_size=0, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, fd_array=NULL}, 144) = 4 [pid 291] bpf(BPF_RAW_TRACEPOINT_OPEN, {raw_tracepoint={name="mm_page_alloc", prog_fd=4}}, 99) = 5 [ 262.301575][ T28] audit: type=1400 audit(1752103073.188:64): avc: denied { execmem } for pid=290 comm="syz-executor318" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 262.321590][ T28] audit: type=1400 audit(1752103073.188:65): avc: denied { bpf } for pid=291 comm="syz-executor318" capability=39 scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=capability2 permissive=1 [ 262.342865][ T28] audit: type=1400 audit(1752103073.188:66): avc: denied { map_create } for pid=291 comm="syz-executor318" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1 [ 262.362209][ T28] audit: type=1400 audit(1752103073.188:67): avc: denied { map_read map_write } for pid=291 comm="syz-executor318" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=bpf permissive=1