./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor104608352 <...> Warning: Permanently added '10.128.0.234' (ED25519) to the list of known hosts. execve("./syz-executor104608352", ["./syz-executor104608352"], 0x7fff072d6510 /* 10 vars */) = 0 brk(NULL) = 0x5555571ff000 brk(0x5555571ffd00) = 0x5555571ffd00 arch_prctl(ARCH_SET_FS, 0x5555571ff380) = 0 set_tid_address(0x5555571ff650) = 298 set_robust_list(0x5555571ff660, 24) = 0 rseq(0x5555571ffca0, 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-executor104608352", 4096) = 27 getrandom("\xb1\x98\xd6\xb5\x9c\x0f\x24\x7d", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555571ffd00 brk(0x555557220d00) = 0x555557220d00 brk(0x555557221000) = 0x555557221000 mprotect(0x7f78c95b5000, 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 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555571ff650) = 299 ./strace-static-x86_64: Process 299 attached [pid 299] set_robust_list(0x5555571ff660, 24) = 0 [pid 299] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 299] setsid() = 1 [pid 299] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 299] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 299] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 299] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 299] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 299] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 299] unshare(CLONE_NEWNS) = 0 [pid 299] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 299] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 299] unshare(CLONE_NEWCGROUP) = 0 [pid 299] unshare(CLONE_NEWUTS) = 0 [pid 299] unshare(CLONE_SYSVSEM) = 0 [pid 299] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 299] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 299] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 299] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 299] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 299] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 299] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 299] getpid() = 1 [pid 299] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0 [pid 299] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0 [pid 299] unshare(CLONE_NEWNET) = 0 [pid 299] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3 [pid 299] write(3, "0 65535", 7) = 7 [pid 299] close(3) = 0 [pid 299] openat(AT_FDCWD, "/dev/net/tun", O_RDWR|O_NONBLOCK) = 3 [pid 299] dup2(3, 200) = 200 [pid 299] close(3) = 0 [pid 299] ioctl(200, TUNSETIFF, 0x7ffc4016c200) = 0 [pid 299] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/accept_dad", O_WRONLY|O_CLOEXEC) = 3 [pid 299] write(3, "0", 1) = 1 [pid 299] close(3) = 0 [pid 299] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/router_solicitations", O_WRONLY|O_CLOEXEC) = 3 [pid 299] write(3, "0", 1) = 1 [pid 299] close(3) = 0 [pid 299] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 299] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4 [pid 299] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0 [pid 299] close(4) = 0 [pid 299] sendto(3, [{nlmsg_len=40, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x18\x00\x00\x0b\x00\x00\x00\x08\x00\x02\x00\xac\x14\x14\xaa\x08\x00\x01\x00\xac\x14\x14\xaa"], 40, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 40 [pid 299] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=40, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 299] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4 [pid 299] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0 [pid 299] close(4) = 0 [pid 299] sendto(3, [{nlmsg_len=64, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}, "\x0a\x78\x00\x00\x0b\x00\x00\x00\x14\x00\x02\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\x14\x00\x01\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa"], 64, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 64 [pid 299] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=64, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 299] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4 [pid 299] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0 [pid 299] close(4) = 0 [pid 299] sendto(3, [{nlmsg_len=48, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x01\x00\xac\x14\x14\xbb\x0a\x00\x02\x00\xbb\xaa\xaa\xaa\xaa\xaa\x00\x00"], 48, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 48 [pid 299] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=48, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 299] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4 [pid 299] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0 [pid 299] close(4) = 0 [pid 299] sendto(3, [{nlmsg_len=60, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}, "\x0a\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x14\x00\x01\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xbb\x0a\x00\x02\x00\xbb\xaa\xaa\xaa\xaa\xaa\x00\x00"], 60, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 60 [pid 299] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=60, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 299] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4 [pid 299] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0 [pid 299] close(4) = 0 [pid 299] sendto(3, [{nlmsg_len=44, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x00\x0b\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x0a\x00\x01\x00\xaa\xaa\xaa\xaa\xaa\xaa\x00\x00"], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 44 [pid 299] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=44, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 299] close(3) = 0 [pid 299] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 [pid 299] write(3, "100000", 6) = 6 [pid 299] close(3) = 0 [pid 299] mkdir("./syz-tmp", 0777) = 0 [pid 299] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0 [pid 299] mkdir("./syz-tmp/newroot", 0777) = 0 [pid 299] mkdir("./syz-tmp/newroot/dev", 0700) = 0 [pid 299] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 299] mkdir("./syz-tmp/newroot/proc", 0700) = 0 [pid 299] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0 [pid 299] mkdir("./syz-tmp/newroot/selinux", 0700) = 0 [pid 299] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 299] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 299] mkdir("./syz-tmp/newroot/sys", 0700) = 0 [pid 299] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 299] mkdir("./syz-tmp/pivot", 0777) = 0 [pid 299] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0 [pid 299] chdir("/") = 0 [pid 299] umount2("./pivot", MNT_DETACH) = 0 [pid 299] chroot("./newroot") = 0 [pid 299] chdir("/") = 0 [pid 299] mkdir("/dev/binderfs", 0777) = 0 [pid 299] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0 [pid 299] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 299] write(1, "executing program\n", 18) = 18 [pid 299] memfd_create("syzkaller", 0) = 3 [pid 299] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f78c1100000 [pid 299] write(3, "\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\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\x00\x00\x00\x00"..., 262144) = 262144 [pid 299] munmap(0x7f78c1100000, 138412032) = 0 [pid 299] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [ 24.447226][ T28] audit: type=1400 audit(1720936385.084:66): avc: denied { execmem } for pid=298 comm="syz-executor104" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 24.467248][ T28] audit: type=1400 audit(1720936385.094:67): avc: denied { mounton } for pid=299 comm="syz-executor104" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1 [pid 299] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 299] close(3) = 0 [pid 299] close(4) = 0 [pid 299] mkdir("./file1", 0777) = 0 [ 24.491797][ T28] audit: type=1400 audit(1720936385.094:68): avc: denied { mount } for pid=299 comm="syz-executor104" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [ 24.497764][ T299] loop0: detected capacity change from 0 to 512 [ 24.514687][ T28] audit: type=1400 audit(1720936385.094:69): avc: denied { mounton } for pid=299 comm="syz-executor104" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [ 24.525908][ T299] ======================================================= [ 24.525908][ T299] WARNING: The mand mount option has been deprecated and [ 24.525908][ T299] and is ignored by this kernel. Remove the mand [ 24.525908][ T299] option from the mount to silence this warning. [ 24.525908][ T299] ======================================================= [ 24.544607][ T28] audit: type=1400 audit(1720936385.114:70): avc: denied { create } for pid=295 comm="strace-static-x" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_tcpdiag_socket permissive=1 [ 24.597461][ T28] audit: type=1400 audit(1720936385.114:71): avc: denied { write } for pid=295 comm="strace-static-x" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_tcpdiag_socket permissive=1 [ 24.618338][ T28] audit: type=1400 audit(1720936385.114:72): avc: denied { nlmsg_read } for pid=295 comm="strace-static-x" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_tcpdiag_socket permissive=1 [ 24.639400][ T28] audit: type=1400 audit(1720936385.114:73): avc: denied { module_request } for pid=295 comm="strace-static-x" kmod="net-pf-16-proto-4-type-16" scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:kernel_t tclass=system permissive=1 [ 24.641148][ T299] EXT4-fs (loop0): 1 orphan inode deleted [ 24.662366][ T28] audit: type=1400 audit(1720936385.114:74): avc: denied { read } for pid=295 comm="strace-static-x" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_tcpdiag_socket permissive=1 [ 24.668079][ T299] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: writeback. [pid 299] mount("/dev/loop0", "./file1", "ext4", MS_MANDLOCK|MS_LAZYTIME, "errors=remount-ro,nodiscard,noquota,init_itable,stripe=0x0000000000000079,resgid=0x0000000000000000,"...) = 0 [pid 299] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 299] chdir("./file1") = 0 [pid 299] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 299] ioctl(4, LOOP_CLR_FD) = 0 [pid 299] close(4) = 0 [pid 299] mount("./file0", "./file0", "incremental-fs", 0, NULL) = 0 [pid 299] open("./file2", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = -1 EISDIR (Is a directory) [pid 299] exit_group(1) = ? [ 24.688589][ T28] audit: type=1400 audit(1720936385.124:75): avc: denied { mounton } for pid=299 comm="syz-executor104" path="/root/syz-tmp" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 24.697280][ T299] ext4 filesystem being mounted at /file1 supports timestamps until 2038 (0x7fffffff) [ 24.734974][ T299] ------------[ cut here ]------------ [ 24.740312][ T299] kernel BUG at fs/namei.c:2956! [ 24.745110][ T299] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 24.750924][ T299] CPU: 0 PID: 299 Comm: syz-executor104 Not tainted 6.1.84-syzkaller-00005-g96d66062d076 #0 [ 24.760819][ T299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 24.770715][ T299] RIP: 0010:may_delete+0x6eb/0x6f0 [ 24.775660][ T299] Code: 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 7f fe ff ff 4c 89 e7 e8 66 71 f3 ff e9 72 fe ff ff e8 cc 64 ac ff 0f 0b e8 c5 64 ac ff <0f> 0b 0f 1f 00 55 48 89 e5 41 56 53 48 89 fb e8 b1 64 ac ff 4c 8d [ 24.795116][ T299] RSP: 0018:ffffc90000e17a58 EFLAGS: 00010293 [ 24.801006][ T299] RAX: ffffffff81c9210b RBX: ffff88812057dad0 RCX: ffff8881094ed100 [ 24.808826][ T299] RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000 [ 24.816632][ T299] RBP: ffffc90000e17ac0 R08: ffffffff81c91a9f R09: 0000000000000003 [ 24.824439][ T299] R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff888120580660 [ 24.832260][ T299] R13: 1ffff110240b00cc R14: ffff888100567980 R15: dffffc0000000000 [ 24.840060][ T299] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 24.848829][ T299] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.855251][ T299] CR2: 00007f78c9589a38 CR3: 0000000006e0f000 CR4: 00000000003506b0 [ 24.863067][ T299] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.870960][ T299] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.878771][ T299] Call Trace: [ 24.881898][ T299] <TASK> [ 24.884679][ T299] ? __die_body+0x62/0xb0 [ 24.888840][ T299] ? die+0x88/0xb0 [ 24.892397][ T299] ? do_trap+0x103/0x330 [ 24.896477][ T299] ? may_delete+0x6eb/0x6f0 [ 24.900820][ T299] ? handle_invalid_op+0x95/0xc0 [ 24.905589][ T299] ? may_delete+0x6eb/0x6f0 [ 24.910277][ T299] ? exc_invalid_op+0x32/0x50 [ 24.914809][ T299] ? asm_exc_invalid_op+0x1b/0x20 [ 24.919652][ T299] ? may_delete+0x7f/0x6f0 [ 24.923906][ T299] ? may_delete+0x6eb/0x6f0 [ 24.928252][ T299] ? may_delete+0x6eb/0x6f0 [ 24.932594][ T299] ? may_delete+0x6eb/0x6f0 [ 24.936937][ T299] vfs_rmdir+0x32/0x500 [ 24.940915][ T299] ? generic_shutdown_super+0x2b8/0x370 [ 24.946299][ T299] incfs_kill_sb+0x113/0x230 [ 24.950723][ T299] deactivate_locked_super+0xad/0x110 [ 24.955933][ T299] deactivate_super+0xbe/0xf0 [ 24.960443][ T299] cleanup_mnt+0x485/0x510 [ 24.964698][ T299] __cleanup_mnt+0x19/0x20 [ 24.968949][ T299] task_work_run+0x24d/0x2e0 [ 24.973374][ T299] ? kmem_cache_free+0x291/0x510 [ 24.978148][ T299] ? task_work_cancel+0x2b0/0x2b0 [ 24.983012][ T299] ? free_nsproxy+0x20d/0x260 [ 24.987545][ T299] ? exit_task_namespaces+0xb4/0xd0 [ 24.992557][ T299] do_exit+0xbd5/0x2b80 [ 24.996564][ T299] ? put_task_struct+0x80/0x80 [ 25.001150][ T299] ? __kasan_check_write+0x14/0x20 [ 25.006191][ T299] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 25.011134][ T299] ? _raw_spin_lock_irqsave+0x210/0x210 [ 25.016513][ T299] ? zap_other_threads+0x29c/0x2d0 [ 25.021547][ T299] do_group_exit+0x21a/0x2d0 [ 25.025977][ T299] __x64_sys_exit_group+0x3f/0x40 [ 25.030836][ T299] do_syscall_64+0x3d/0xb0 [ 25.035087][ T299] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 25.040815][ T299] RIP: 0033:0x7f78c953d549 [ 25.045070][ T299] Code: Unable to access opcode bytes at 0x7f78c953d51f. [ 25.052013][ T299] RSP: 002b:00007ffc4016c148 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 25.060258][ T299] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f78c953d549 [ 25.068215][ T299] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 25.076021][ T299] RBP: 00007f78c95bb370 R08: ffffffffffffffb8 R09: 0000000000000000 [ 25.083831][ T299] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f78c95bb370 [ 25.091791][ T299] R13: 0000000000000000 R14: 00007f78c95bd140 R15: 00007f78c950b660 [ 25.099723][ T299] </TASK> [ 25.102553][ T299] Modules linked in: [ 25.106621][ T299] ---[ end trace 0000000000000000 ]--- [ 25.111930][ T299] RIP: 0010:may_delete+0x6eb/0x6f0 [ 25.116835][ T299] Code: 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 7f fe ff ff 4c 89 e7 e8 66 71 f3 ff e9 72 fe ff ff e8 cc 64 ac ff 0f 0b e8 c5 64 ac ff <0f> 0b 0f 1f 00 55 48 89 e5 41 56 53 48 89 fb e8 b1 64 ac ff 4c 8d [ 25.136363][ T299] RSP: 0018:ffffc90000e17a58 EFLAGS: 00010293 [ 25.142221][ T299] RAX: ffffffff81c9210b RBX: ffff88812057dad0 RCX: ffff8881094ed100 [ 25.150026][ T299] RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000 [ 25.157799][ T299] RBP: ffffc90000e17ac0 R08: ffffffff81c91a9f R09: 0000000000000003 [ 25.165821][ T299] R10: ffffffffffffffff R11: dffffc0000000001 R12: ffff888120580660 [ 25.173615][ T299] R13: 1ffff110240b00cc R14: ffff888100567980 R15: dffffc0000000000 [ 25.181433][ T299] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 25.190198][ T299] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.196592][ T299] CR2: 00007f78c9589a38 CR3: 000000010e73d000 CR4: 00000000003506b0 [ 25.204434][ T299] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.212247][ T299] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.220066][ T299] Kernel panic - not syncing: Fatal exception [ 25.226197][ T299] Kernel Offset: disabled [ 25.230321][ T299] Rebooting in 86400 seconds..