./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2298009127 <...> Warning: Permanently added '10.128.1.15' (ED25519) to the list of known hosts. execve("./syz-executor2298009127", ["./syz-executor2298009127"], 0x7ffdbdbbd460 /* 10 vars */) = 0 brk(NULL) = 0x55555c043000 brk(0x55555c043e00) = 0x55555c043e00 arch_prctl(ARCH_SET_FS, 0x55555c043480) = 0 set_tid_address(0x55555c043750) = 289 set_robust_list(0x55555c043760, 24) = 0 rseq(0x55555c043da0, 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-executor2298009127", 4096) = 28 getrandom("\x42\xa5\x92\xa9\xb8\x0d\x4a\x6a", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555c043e00 brk(0x55555c064e00) = 0x55555c064e00 brk(0x55555c065000) = 0x55555c065000 mprotect(0x7ffbf2404000, 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, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 mount(NULL, "/proc/sys/fs/binfmt_misc", "binfmt_misc", 0, NULL) = -1 EBUSY (Device or resource busy) openat(AT_FDCWD, "/proc/sys/fs/binfmt_misc/register", O_WRONLY|O_CLOEXEC) = 3 write(3, "\x3a\x73\x79\x7a\x30\x3a\x4d\x3a\x30\x3a\x01\x3a\x3a\x2e\x2f\x66\x69\x6c\x65\x30\x3a", 21) = 21 close(3) = 0 openat(AT_FDCWD, "/proc/sys/fs/binfmt_misc/register", O_WRONLY|O_CLOEXEC) = 3 write(3, "\x3a\x73\x79\x7a\x31\x3a\x4d\x3a\x31\x3a\x02\x3a\x3a\x2e\x2f\x66\x69\x6c\x65\x30\x3a\x50\x4f\x43", 24) = 24 close(3) = 0 rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGSEGV, {sa_handler=0x7ffbf2359330, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7ffbf2361180}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7ffbf2359330, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7ffbf2361180}, NULL, 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555c043750) = 290 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555c043750) = 291 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555c043750) = 292 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555c043750) = 293 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555c043750) = 294 ./strace-static-x86_64: Process 294 attached [pid 294] set_robust_list(0x55555c043760, 24) = 0 [pid 294] mkdir("./syzkaller.TTmdCA", 0700) = 0 [pid 294] chmod("./syzkaller.TTmdCA", 0777) = 0 [pid 294] chdir("./syzkaller.TTmdCA") = 0 [pid 294] unshare(CLONE_NEWPID) = 0 [pid 294] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 293 attached [pid 293] set_robust_list(0x55555c043760, 24) = 0 [pid 293] mkdir("./syzkaller.ZyFqgy", 0700./strace-static-x86_64: Process 290 attached [pid 294] <... clone resumed>, child_tidptr=0x55555c043750) = 295 [pid 293] <... mkdir resumed>) = 0 [pid 293] chmod("./syzkaller.ZyFqgy", 0777) = 0 [pid 293] chdir("./syzkaller.ZyFqgy") = 0 [pid 293] unshare(CLONE_NEWPID) = 0 [pid 293] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555c043750) = 296 ./strace-static-x86_64: Process 296 attached [pid 296] set_robust_list(0x55555c043760, 24) = 0 [pid 296] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 296] getppid() = 0 [pid 296] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3 [pid 296] dup2(3, 201) = 201 [pid 296] close(3) = 0 [pid 296] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 296] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 296] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 296] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 296] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 296] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 296] unshare(CLONE_NEWNS) = 0 [pid 296] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 296] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 296] unshare(CLONE_NEWCGROUP) = 0 [pid 296] unshare(CLONE_NEWUTS) = 0 [pid 296] unshare(CLONE_SYSVSEM) = 0 [pid 296] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 296] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 296] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 296] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 296] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [ 27.959091][ T28] audit: type=1400 audit(1755163891.970:64): avc: denied { execmem } for pid=289 comm="syz-executor229" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [pid 296] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 296] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 296] getpid() = 1 [pid 296] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 296] write(3, "0 65535", 7) = 7 [pid 296] close(3) = 0 [pid 296] openat(AT_FDCWD, "/dev/net/tun", O_RDWR|O_NONBLOCK) = 3 [pid 296] dup2(3, 200) = 200 [pid 296] close(3) = 0 [pid 296] ioctl(200, TUNSETIFF, 0x7fff6de7d930) = 0 [pid 296] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/accept_dad", O_WRONLY|O_CLOEXEC) = 3 [pid 296] write(3, "0", 1) = 1 [pid 296] close(3) = 0 [pid 296] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/router_solicitations", O_WRONLY|O_CLOEXEC) = 3 [pid 296] write(3, "0", 1) = 1 [pid 296] close(3) = 0 [pid 296] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 296] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4 [pid 296] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0 [pid 296] close(4) = 0 [pid 296] 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 296] 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 296] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4 [pid 296] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0 [pid 296] close(4) = 0 [pid 296] 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 296] 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 296] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4 [pid 296] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0 [pid 296] close(4) = 0 [pid 296] 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 296] 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 296] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4 [pid 296] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0 [pid 296] close(4) = 0 [pid 296] 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 295] set_robust_list(0x55555c043760, 24) = 0 [pid 295] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 295] getppid() = 0 [pid 295] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 3 [pid 295] dup2(3, 201) = 201 [pid 295] close(3) = 0 [pid 295] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 295] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 295] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 295] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 295] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 295] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 295] unshare(CLONE_NEWNS) = 0 [pid 295] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 295] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 295] unshare(CLONE_NEWCGROUP) = 0 [pid 295] unshare(CLONE_NEWUTS) = 0 [pid 295] unshare(CLONE_SYSVSEM) = 0 [pid 295] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 295] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 295] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 295] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 295] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 295] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 295] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 295] getpid() = 1 [pid 295] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 292] set_robust_list(0x55555c043760, 24 [pid 291] set_robust_list(0x55555c043760, 24 [pid 290] <... set_robust_list resumed>) = 0 [pid 296] 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 292] <... set_robust_list resumed>) = 0 [pid 291] <... set_robust_list resumed>) = 0 [pid 290] mkdir("./syzkaller.sUuBtB", 0700 [pid 296] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4 [pid 296] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0 [pid 296] close(4) = 0 [pid 296] 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 296] 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 296] close(3) = 0 [pid 296] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 [pid 296] write(3, "100000", 6) = 6 [pid 296] close(3) = 0 [pid 296] mkdir("./syz-tmp", 0777) = 0 [pid 296] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0 [pid 296] mkdir("./syz-tmp/newroot", 0777) = 0 [pid 296] mkdir("./syz-tmp/newroot/dev", 0700) = 0 [pid 296] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 296] mkdir("./syz-tmp/newroot/proc", 0700) = 0 [pid 296] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0 [pid 296] mkdir("./syz-tmp/newroot/selinux", 0700) = 0 [pid 296] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 296] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 296] mkdir("./syz-tmp/newroot/sys", 0700) = 0 [pid 296] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 296] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [ 27.983209][ T28] audit: type=1400 audit(1755163891.990:65): avc: denied { mounton } for pid=289 comm="syz-executor229" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 28.012129][ T28] audit: type=1400 audit(1755163891.990:66): avc: denied { mount } for pid=289 comm="syz-executor229" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 [pid 296] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 296] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 296] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0 [pid 296] mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, MS_RDONLY|MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 296] mkdir("./syz-tmp/pivot", 0777) = 0 [pid 296] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0 [pid 296] chdir("/") = 0 [pid 296] umount2("./pivot", MNT_DETACH) = 0 [pid 292] mkdir("./syzkaller.fDtBnS", 0700 [pid 291] mkdir("./syzkaller.1nB8xm", 0700 [pid 296] chroot("./newroot") = 0 [pid 296] chdir("/") = 0 [pid 296] mkdir("/dev/gadgetfs", 0777 [pid 290] <... mkdir resumed>) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 291] <... mkdir resumed>) = 0 [pid 296] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL [pid 292] <... mkdir resumed>) = 0 [pid 291] chmod("./syzkaller.1nB8xm", 0777 [pid 290] chmod("./syzkaller.sUuBtB", 0777 [pid 292] chmod("./syzkaller.fDtBnS", 0777) = 0 [pid 291] <... chmod resumed>) = 0 [pid 290] <... chmod resumed>) = 0 [pid 292] chdir("./syzkaller.fDtBnS" [pid 291] chdir("./syzkaller.1nB8xm" [pid 290] chdir("./syzkaller.sUuBtB" [pid 292] <... chdir resumed>) = 0 [pid 291] <... chdir resumed>) = 0 [pid 292] unshare(CLONE_NEWPID [pid 290] <... chdir resumed>) = 0 [pid 291] unshare(CLONE_NEWPID [pid 292] <... unshare resumed>) = 0 [pid 290] unshare(CLONE_NEWPID [pid 292] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 291] <... unshare resumed>) = 0 [pid 290] <... unshare resumed>) = 0 [pid 291] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 290] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 292] <... clone resumed>, child_tidptr=0x55555c043750) = 297 [pid 291] <... clone resumed>, child_tidptr=0x55555c043750) = 298 [pid 290] <... clone resumed>, child_tidptr=0x55555c043750) = 299 ./strace-static-x86_64: Process 298 attached [pid 298] set_robust_list(0x55555c043760, 24./strace-static-x86_64: Process 297 attached ) = 0 [pid 298] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 297] set_robust_list(0x55555c043760, 24 [pid 298] <... prctl resumed>) = 0 [pid 297] <... set_robust_list resumed>) = 0 [pid 298] getppid(./strace-static-x86_64: Process 299 attached [pid 299] set_robust_list(0x55555c043760, 24) = 0 [pid 299] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 298] <... getppid resumed>) = 0 [pid 299] <... prctl resumed>) = 0 [pid 299] getppid() = 0 [pid 299] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 298] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 295] <... unshare resumed>) = 0 [pid 297] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 295] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3 [pid 297] <... prctl resumed>) = 0 [pid 295] write(3, "0 65535", 7) = 7 [pid 295] close(3 [pid 299] <... openat resumed>) = 3 [pid 295] <... close resumed>) = 0 [pid 299] dup2(3, 201) = 201 [pid 295] openat(AT_FDCWD, "/dev/net/tun", O_RDWR|O_NONBLOCK [pid 299] close(3 [pid 295] <... openat resumed>) = 3 [pid 299] <... close resumed>) = 0 [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 295] dup2(3, 200 [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 [pid 295] <... dup2 resumed>) = 200 [pid 297] getppid( [pid 295] close(3) = 0 [pid 295] ioctl(200, TUNSETIFF, 0x7fff6de7d930 [pid 297] <... getppid resumed>) = 0 [pid 299] <... unshare resumed>) = 0 [pid 297] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [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 [pid 297] <... openat resumed>) = 3 [pid 298] <... openat resumed>) = 3 [pid 299] <... unshare resumed>) = 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 297] dup2(3, 201 [pid 298] dup2(3, 201 [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<) = 201 [pid 298] <... dup2 resumed>) = 201 [pid 299] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 298] close(3 [pid 297] close(3 [pid 299] <... capset resumed>) = 0 [pid 299] unshare(CLONE_NEWNET [pid 295] <... ioctl resumed>) = 0 [pid 298] <... close resumed>) = 0 [pid 297] <... close resumed>) = 0 [pid 297] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 298] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 297] <... prlimit64 resumed>NULL) = 0 [pid 298] <... prlimit64 resumed>NULL) = 0 [pid 297] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 298] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 295] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/accept_dad", O_WRONLY|O_CLOEXEC) = 3 [pid 297] <... prlimit64 resumed>NULL) = 0 [pid 298] <... prlimit64 resumed>NULL) = 0 [pid 297] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 298] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 297] <... prlimit64 resumed>NULL) = 0 [pid 298] <... prlimit64 resumed>NULL) = 0 [ 28.042432][ T28] audit: type=1400 audit(1755163892.000:67): avc: denied { read } for pid=296 comm="syz-executor229" dev="nsfs" ino=4026531840 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 28.068286][ T28] audit: type=1400 audit(1755163892.000:68): avc: denied { open } for pid=296 comm="syz-executor229" path="net:[4026531840]" dev="nsfs" ino=4026531840 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nsfs_t tclass=file permissive=1 [ 28.068634][ T296] request_module fs-gadgetfs succeeded, but still no fs? [pid 295] write(3, "0", 1 [pid 298] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 297] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 295] <... write resumed>) = 1 [pid 298] <... prlimit64 resumed>NULL) = 0 [pid 295] close(3 [pid 298] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 295] <... close resumed>) = 0 [pid 298] <... prlimit64 resumed>NULL) = 0 [pid 295] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/router_solicitations", O_WRONLY|O_CLOEXEC [pid 297] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 298] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 297] <... prlimit64 resumed>NULL) = 0 [pid 295] <... openat resumed>) = 3 [pid 298] <... prlimit64 resumed>NULL) = 0 [pid 295] write(3, "0", 1 [pid 298] unshare(CLONE_NEWNS [pid 295] <... write resumed>) = 1 [pid 297] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 295] close(3 [pid 297] <... prlimit64 resumed>NULL) = 0 [pid 295] <... close resumed>) = 0 [pid 295] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 297] unshare(CLONE_NEWNS [pid 295] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4 [pid 295] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0 [pid 295] close(4) = 0 [pid 298] <... unshare resumed>) = 0 [pid 295] 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 [pid 297] <... unshare resumed>) = 0 [pid 298] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 297] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 298] <... mount resumed>) = 0 [pid 297] <... mount resumed>) = 0 [pid 297] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 298] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 297] unshare(CLONE_NEWCGROUP [pid 298] unshare(CLONE_NEWCGROUP [pid 297] <... unshare resumed>) = 0 [pid 298] <... unshare resumed>) = 0 [pid 297] unshare(CLONE_NEWUTS [pid 298] unshare(CLONE_NEWUTS [pid 297] <... unshare resumed>) = 0 [pid 298] <... unshare resumed>) = 0 [pid 298] unshare(CLONE_SYSVSEM [pid 297] unshare(CLONE_SYSVSEM [pid 298] <... unshare resumed>) = 0 [pid 297] <... unshare resumed>) = 0 [pid 295] <... sendto resumed>) = 40 [pid 295] 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] <... unshare resumed>) = 0 [pid 298] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 298] <... openat resumed>) = -1 ENOENT (No such file or directory) [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 298] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 298] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 298] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 298] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 298] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 297] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 298] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 297] getpid( [pid 298] getpid( [pid 297] <... getpid resumed>) = 1 [pid 297] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 298] <... getpid resumed>) = 1 [pid 297] <... capget resumed>{effective=1< [pid 298] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 297] <... capset resumed>) = 0 [pid 298] <... capset resumed>) = 0 [pid 297] unshare(CLONE_NEWNET [pid 298] unshare(CLONE_NEWNET [pid 299] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 295] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 296] <... mount resumed>) = -1 ENODEV (No such device) [pid 298] <... unshare resumed>) = 0 [pid 297] <... unshare resumed>) = 0 [pid 297] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3 [pid 297] write(3, "0 65535", 7) = 7 [pid 297] close(3) = 0 [pid 297] openat(AT_FDCWD, "/dev/net/tun", O_RDWR|O_NONBLOCK) = 3 [pid 297] dup2(3, 200) = 200 [pid 297] close(3) = 0 [pid 297] ioctl(200, TUNSETIFF, 0x7fff6de7d930) = 0 [pid 298] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3 [pid 298] write(3, "0 65535", 7) = 7 [pid 298] close(3) = 0 [pid 298] openat(AT_FDCWD, "/dev/net/tun", O_RDWR|O_NONBLOCK) = 3 [pid 298] dup2(3, 200) = 200 [pid 298] close(3) = 0 [pid 298] ioctl(200, TUNSETIFF, 0x7fff6de7d930) = 0 [pid 297] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/accept_dad", O_WRONLY|O_CLOEXEC) = 3 [pid 297] write(3, "0", 1) = 1 [pid 297] close(3) = 0 [pid 297] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/router_solicitations", O_WRONLY|O_CLOEXEC) = 3 [pid 297] write(3, "0", 1) = 1 [ 28.133416][ T28] audit: type=1400 audit(1755163892.010:69): avc: denied { mounton } for pid=296 comm="syz-executor229" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [pid 297] close(3) = 0 [pid 297] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 297] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 299] <... openat resumed>) = 3 [pid 299] write(3, "0 65535", 7 [pid 296] mkdir("/dev/binderfs", 0777 [pid 295] <... socket resumed>) = 4 [pid 297] <... socket resumed>) = 4 [pid 297] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0 [pid 297] close(4) = 0 [pid 297] 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 297] 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 297] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4 [pid 297] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0 [pid 297] close(4) = 0 [pid 297] 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 [pid 298] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/accept_dad", O_WRONLY|O_CLOEXEC) = 3 [pid 297] <... sendto resumed>) = 64 [pid 297] 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 297] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4 [pid 297] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 298] write(3, "0", 1 [pid 297] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 298] <... write resumed>) = 1 [pid 297] close(4 [pid 298] close(3 [pid 297] <... close resumed>) = 0 [pid 298] <... close resumed>) = 0 [pid 298] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/router_solicitations", O_WRONLY|O_CLOEXEC) = 3 [pid 297] 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 297] 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 298] write(3, "0", 1 [pid 297] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 298] <... write resumed>) = 1 [pid 297] <... socket resumed>) = 4 [pid 298] close(3) = 0 [pid 298] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 297] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0 [pid 297] close(4) = 0 [pid 298] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 297] 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 [pid 298] <... socket resumed>) = 4 [pid 297] <... sendto resumed>) = 60 [pid 298] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0 [pid 298] close(4) = 0 [pid 297] recvfrom(3, [pid 298] 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 [pid 297] <... recvfrom resumed>[{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 297] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4 [pid 297] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 298] <... sendto resumed>) = 40 [pid 297] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 297] close(4) = 0 [pid 297] 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 [pid 298] 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 298] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4 [pid 298] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0 [pid 298] close(4) = 0 [pid 298] 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 297] <... sendto resumed>) = 44 [pid 298] recvfrom(3, [pid 297] recvfrom(3, [pid 298] <... recvfrom resumed>[{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 297] <... recvfrom resumed>[{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 298] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 297] close(3 [pid 298] <... socket resumed>) = 4 [pid 298] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 297] <... close resumed>) = 0 [pid 298] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 298] close(4 [pid 297] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 298] <... close resumed>) = 0 [pid 298] 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 [pid 297] <... openat resumed>) = 3 [pid 298] <... sendto resumed>) = 48 [pid 297] write(3, "100000", 6 [pid 299] <... write resumed>) = 7 [pid 298] recvfrom(3, [pid 297] <... write resumed>) = 6 [pid 296] <... mkdir resumed>) = 0 [pid 295] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 299] close(3 [pid 298] <... recvfrom resumed>[{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 297] close(3 [pid 299] <... close resumed>) = 0 [pid 298] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 297] <... close resumed>) = 0 [pid 299] openat(AT_FDCWD, "/dev/net/tun", O_RDWR|O_NONBLOCK [pid 298] <... socket resumed>) = 4 [pid 297] mkdir("./syz-tmp", 0777 [pid 299] <... openat resumed>) = 3 [pid 298] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 297] <... mkdir resumed>) = 0 [pid 299] dup2(3, 200 [pid 298] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 297] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 299] <... dup2 resumed>) = 200 [pid 298] close(4 [pid 297] <... mount resumed>) = 0 [pid 299] close(3 [pid 298] <... close resumed>) = 0 [pid 297] mkdir("./syz-tmp/newroot", 0777 [pid 299] <... close resumed>) = 0 [pid 298] 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 [pid 297] <... mkdir resumed>) = 0 [pid 299] ioctl(200, TUNSETIFF, 0x7fff6de7d930 [pid 298] <... sendto resumed>) = 60 [pid 297] mkdir("./syz-tmp/newroot/dev", 0700 [pid 299] <... ioctl resumed>) = 0 [pid 298] recvfrom(3, [pid 297] <... mkdir resumed>) = 0 [pid 299] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/accept_dad", O_WRONLY|O_CLOEXEC [pid 298] <... recvfrom resumed>[{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 297] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 299] <... openat resumed>) = 3 [pid 298] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 297] <... mount resumed>) = 0 [pid 299] write(3, "0", 1 [pid 298] <... socket resumed>) = 4 [pid 297] mkdir("./syz-tmp/newroot/proc", 0700 [pid 299] <... write resumed>) = 1 [pid 298] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 297] <... mkdir resumed>) = 0 [pid 299] close(3 [pid 298] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 297] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 299] <... close resumed>) = 0 [pid 298] close(4 [pid 297] <... mount resumed>) = 0 [ 28.158624][ T28] audit: type=1400 audit(1755163892.040:70): avc: denied { module_request } for pid=286 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 [ 28.185866][ T28] audit: type=1400 audit(1755163892.070:71): avc: denied { mounton } for pid=296 comm="syz-executor229" path="/root/syzkaller.ZyFqgy/syz-tmp" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [pid 299] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/router_solicitations", O_WRONLY|O_CLOEXEC [pid 298] <... close resumed>) = 0 [pid 297] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 299] <... openat resumed>) = 3 [pid 298] 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 [pid 297] <... mkdir resumed>) = 0 [pid 299] write(3, "0", 1 [pid 298] <... sendto resumed>) = 44 [pid 297] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 299] <... write resumed>) = 1 [pid 298] recvfrom(3, [pid 297] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 299] close(3 [pid 298] <... recvfrom resumed>[{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 297] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 299] <... close resumed>) = 0 [pid 298] close(3 [pid 297] <... mount resumed>) = 0 [pid 299] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 298] <... close resumed>) = 0 [pid 297] mkdir("./syz-tmp/newroot/sys", 0700 [pid 299] <... socket resumed>) = 3 [pid 298] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 297] <... mkdir resumed>) = 0 [pid 299] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 298] <... openat resumed>) = 3 [pid 297] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 299] <... socket resumed>) = 4 [pid 298] write(3, "100000", 6 [pid 297] <... mount resumed>) = 0 [pid 299] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 298] <... write resumed>) = 6 [pid 297] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 299] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 298] close(3 [pid 297] <... mount resumed>) = 0 [pid 299] close(4 [pid 298] <... close resumed>) = 0 [pid 297] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 299] <... close resumed>) = 0 [pid 298] mkdir("./syz-tmp", 0777 [pid 297] <... mount resumed>) = -1 ENOENT (No such file or directory) [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 [pid 298] <... mkdir resumed>) = 0 [pid 297] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 299] <... sendto resumed>) = 40 [pid 298] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 297] <... mount resumed>) = 0 [pid 299] recvfrom(3, [pid 298] <... mount resumed>) = 0 [pid 297] mkdir("./syz-tmp/newroot/syz-inputs", 0700 [pid 299] <... recvfrom resumed>[{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 298] mkdir("./syz-tmp/newroot", 0777 [pid 297] <... mkdir resumed>) = 0 [pid 299] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 298] <... mkdir resumed>) = 0 [pid 297] mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, MS_RDONLY|MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 296] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 295] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 299] <... socket resumed>) = 4 [pid 298] mkdir("./syz-tmp/newroot/dev", 0700 [pid 297] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 299] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 298] <... mkdir resumed>) = 0 [pid 297] mkdir("./syz-tmp/pivot", 0777 [pid 299] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 298] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 297] <... mkdir resumed>) = 0 [pid 299] close(4 [pid 298] <... mount resumed>) = 0 [pid 297] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 299] <... close resumed>) = 0 [pid 298] mkdir("./syz-tmp/newroot/proc", 0700 [pid 297] <... pivot_root resumed>) = 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 [pid 298] <... mkdir resumed>) = 0 [pid 297] chdir("/" [pid 299] <... sendto resumed>) = 64 [pid 298] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 297] <... chdir resumed>) = 0 [pid 299] recvfrom(3, [pid 298] <... mount resumed>) = 0 [pid 297] umount2("./pivot", MNT_DETACH [pid 299] <... recvfrom resumed>[{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 298] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 299] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 298] <... mkdir resumed>) = 0 [pid 299] <... socket resumed>) = 4 [pid 298] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 299] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 298] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 297] <... umount2 resumed>) = 0 [pid 296] <... mount resumed>) = 0 [pid 295] close(4 [pid 296] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 295] <... close resumed>) = 0 [pid 299] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 298] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 297] chroot("./newroot" [pid 296] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 295] 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 [pid 299] close(4 [pid 298] <... mount resumed>) = 0 [pid 297] <... chroot resumed>) = 0 [pid 296] mkdir("./0", 0777 [pid 295] <... sendto resumed>) = 64 [pid 299] <... close resumed>) = 0 [pid 298] mkdir("./syz-tmp/newroot/sys", 0700 [pid 297] chdir("/" [pid 296] <... mkdir resumed>) = 0 [pid 295] recvfrom(3, [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... recvfrom resumed>[{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 ./strace-static-x86_64: Process 300 attached [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 [pid 298] <... mkdir resumed>) = 0 [pid 297] <... chdir resumed>) = 0 [pid 295] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 300] set_robust_list(0x55555c043760, 24 [pid 296] <... clone resumed>, child_tidptr=0x55555c043750) = 2 [pid 295] <... socket resumed>) = 4 [pid 295] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 299] <... sendto resumed>) = 48 [pid 298] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 297] mkdir("/dev/gadgetfs", 0777 [pid 295] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 295] close(4) = 0 [pid 295] 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 [pid 297] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 295] <... sendto resumed>) = 48 [pid 299] recvfrom(3, [pid 298] <... mount resumed>) = 0 [pid 297] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL [pid 295] 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 300] <... set_robust_list resumed>) = 0 [pid 299] <... recvfrom resumed>[{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 298] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 297] <... mount resumed>) = -1 ENODEV (No such device) [pid 295] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 300] chdir("./0" [pid 299] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 297] mkdir("/dev/binderfs", 0777 [pid 295] <... socket resumed>) = 4 [pid 299] <... socket resumed>) = 4 [pid 298] <... mount resumed>) = 0 [pid 295] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 297] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 295] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 295] close(4) = 0 [pid 299] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 298] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 297] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 295] 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 [pid 300] <... chdir resumed>) = 0 [pid 295] <... sendto resumed>) = 60 [pid 295] 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] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 298] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 297] <... mount resumed>) = 0 [pid 295] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4 [pid 295] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0 [pid 299] close(4 [pid 298] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 297] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 295] close(4) = 0 [pid 295] 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 [pid 300] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 299] <... close resumed>) = 0 [pid 298] <... mount resumed>) = 0 [pid 297] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 295] <... sendto resumed>) = 44 [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 [pid 295] recvfrom(3, [pid 300] <... prctl resumed>) = 0 [pid 298] mkdir("./syz-tmp/newroot/syz-inputs", 0700 [pid 297] mkdir("./0", 0777 [pid 295] <... recvfrom resumed>[{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] <... sendto resumed>) = 60 [pid 298] <... mkdir resumed>) = 0 [pid 295] close(3) = 0 [pid 297] <... mkdir resumed>) = 0 [pid 299] recvfrom(3, [pid 295] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 298] mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, MS_RDONLY|MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 299] <... recvfrom resumed>[{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 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 295] <... openat resumed>) = 3 [pid 300] setpgid(0, 0 [pid 298] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 295] write(3, "100000", 6 [pid 299] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 295] <... write resumed>) = 6 [pid 295] close(3) = 0 [pid 295] mkdir("./syz-tmp", 0777 [pid 299] <... socket resumed>) = 4 [pid 298] mkdir("./syz-tmp/pivot", 0777 [pid 295] <... mkdir resumed>) = 0 [pid 299] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 295] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 300] <... setpgid resumed>) = 0 [pid 299] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 298] <... mkdir resumed>) = 0 [pid 297] <... clone resumed>, child_tidptr=0x55555c043750) = 2 [pid 295] <... mount resumed>) = 0 [pid 299] close(4 [pid 298] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 295] mkdir("./syz-tmp/newroot", 0777 [pid 299] <... close resumed>) = 0 [pid 295] <... mkdir resumed>) = 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 [pid 298] <... pivot_root resumed>) = 0 [pid 295] mkdir("./syz-tmp/newroot/dev", 0700) = 0 [pid 295] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 295] mkdir("./syz-tmp/newroot/proc", 0700) = 0 [pid 295] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0 [pid 295] mkdir("./syz-tmp/newroot/selinux", 0700) = 0 [pid 295] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 295] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL./strace-static-x86_64: Process 301 attached ) = 0 [pid 301] set_robust_list(0x55555c043760, 24 [pid 295] mkdir("./syz-tmp/newroot/sys", 0700 [pid 301] <... set_robust_list resumed>) = 0 [pid 299] <... sendto resumed>) = 44 [pid 298] chdir("/" [pid 295] <... mkdir resumed>) = 0 [pid 301] chdir("./0" [pid 299] recvfrom(3, [pid 298] <... chdir resumed>) = 0 [pid 295] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 301] <... chdir resumed>) = 0 [pid 299] <... recvfrom resumed>[{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 298] umount2("./pivot", MNT_DETACH [pid 295] <... mount resumed>) = 0 [pid 301] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 295] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 301] <... prctl resumed>) = 0 [pid 300] <... openat resumed>) = 3 [pid 299] close(3 [pid 298] <... umount2 resumed>) = 0 [pid 295] <... mount resumed>) = 0 [pid 301] setpgid(0, 0 [pid 299] <... close resumed>) = 0 [pid 298] chroot("./newroot" [pid 295] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 301] <... setpgid resumed>) = 0 [pid 299] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 298] <... chroot resumed>) = 0 [pid 295] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 299] <... openat resumed>) = 3 [pid 298] chdir("/" [pid 295] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 301] <... openat resumed>) = 3 [pid 299] write(3, "100000", 6 [pid 298] <... chdir resumed>) = 0 [pid 295] <... mount resumed>) = 0 [pid 301] write(3, "1000", 4 [pid 299] <... write resumed>) = 6 [pid 295] mkdir("./syz-tmp/newroot/syz-inputs", 0700 [pid 301] <... write resumed>) = 4 [pid 300] write(3, "1000", 4 [pid 299] close(3 [pid 298] mkdir("/dev/gadgetfs", 0777 [pid 295] <... mkdir resumed>) = 0 [pid 301] close(3 [pid 299] <... close resumed>) = 0 [pid 295] mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, MS_RDONLY|MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 301] <... close resumed>) = 0 [pid 299] mkdir("./syz-tmp", 0777 [pid 298] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 295] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 301] read(200, [pid 295] mkdir("./syz-tmp/pivot", 0777 [pid 301] <... read resumed>"\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 295] <... mkdir resumed>) = 0 [pid 301] read(200, [pid 295] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 301] <... read resumed>0x7fff6de7d310, 1000) = -1 EAGAIN (Resource temporarily unavailable) executing program [pid 299] <... mkdir resumed>) = 0 [pid 298] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL [pid 295] <... pivot_root resumed>) = 0 [pid 301] symlink("/dev/binderfs", "./binderfs" [pid 299] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 295] chdir("/" [pid 301] <... symlink resumed>) = 0 [pid 295] <... chdir resumed>) = 0 [pid 301] write(1, "executing program\n", 18 [pid 295] umount2("./pivot", MNT_DETACH [pid 301] <... write resumed>) = 18 [pid 301] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY [pid 298] <... mount resumed>) = -1 ENODEV (No such device) [pid 295] <... umount2 resumed>) = 0 [pid 301] <... openat resumed>) = 3 [pid 300] <... write resumed>) = 4 [pid 299] <... mount resumed>) = 0 [pid 295] chroot("./newroot" [pid 301] ioctl(3, TIOCSETD, [15] [pid 300] close(3 [pid 299] mkdir("./syz-tmp/newroot", 0777 [pid 298] mkdir("/dev/binderfs", 0777 [pid 295] <... chroot resumed>) = 0 [pid 301] <... ioctl resumed>) = 0 [pid 295] chdir("/" [pid 301] ioctl(3, _IOC(_IOC_WRITE, 0x55, 0xc8, 0x4) [pid 299] <... mkdir resumed>) = 0 [pid 298] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 295] <... chdir resumed>) = 0 [pid 301] <... ioctl resumed>, 0) = 0 [pid 300] <... close resumed>) = 0 [pid 295] mkdir("/dev/gadgetfs", 0777 [pid 301] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 295] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 301] <... openat resumed>) = 4 [pid 295] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL [pid 301] setns(201, 0 [pid 295] <... mount resumed>) = -1 ENODEV (No such device) [pid 301] <... setns resumed>) = 0 [pid 295] mkdir("/dev/binderfs", 0777 [pid 301] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI [pid 295] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 301] <... socket resumed>) = 5 [pid 295] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 301] setns(4, 0 [pid 295] <... mount resumed>) = 0 [pid 301] <... setns resumed>) = 0 [pid 295] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 301] close(4 [pid 295] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 301] <... close resumed>) = 0 [pid 295] mkdir("./0", 0777 [pid 301] ioctl(5, HCISETAUTH [pid 295] <... mkdir resumed>) = 0 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 300] read(200, [pid 299] mkdir("./syz-tmp/newroot/dev", 0700 [pid 298] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 295] <... clone resumed>, child_tidptr=0x55555c043750) = 2 [pid 299] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 304 attached [pid 304] set_robust_list(0x55555c043760, 24) = 0 [pid 304] chdir("./0") = 0 [pid 304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 304] setpgid(0, 0) = 0 [pid 304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [ 28.218475][ T28] audit: type=1400 audit(1755163892.070:72): avc: denied { mount } for pid=296 comm="syz-executor229" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1 [ 28.250119][ T28] audit: type=1400 audit(1755163892.070:73): avc: denied { mounton } for pid=296 comm="syz-executor229" path="/root/syzkaller.ZyFqgy/syz-tmp/newroot/dev" dev="tmpfs" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=dir permissive=1 [pid 300] <... read resumed>"\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 299] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 298] <... mount resumed>) = 0 [pid 304] <... openat resumed>) = 3 [pid 299] <... mount resumed>) = 0 [pid 298] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 300] read(200, [pid 299] mkdir("./syz-tmp/newroot/proc", 0700 [pid 304] write(3, "1000", 4 [pid 298] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 304] <... write resumed>) = 4 [pid 299] <... mkdir resumed>) = 0 [pid 304] close(3 [pid 299] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 298] mkdir("./0", 0777 [pid 300] <... read resumed>0x7fff6de7d310, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] <... close resumed>) = 0 [pid 304] read(200, 0x7fff6de7d310, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 304] symlink("/dev/binderfs", "./binderfs") = 0 [pid 299] <... mount resumed>) = 0 [pid 304] write(1, "executing program\n", 18 [pid 298] <... mkdir resumed>) = 0 [pid 300] symlink("/dev/binderfs", "./binderfs" executing program [pid 299] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 304] <... write resumed>) = 18 [pid 299] <... mkdir resumed>) = 0 [pid 304] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY) = 3 [pid 304] ioctl(3, TIOCSETD, [15] [pid 299] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 300] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 306 attached executing program [pid 304] <... ioctl resumed>) = 0 [pid 300] write(1, "executing program\n", 18 [pid 299] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 298] <... clone resumed>, child_tidptr=0x55555c043750) = 2 [pid 300] <... write resumed>) = 18 [pid 299] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 304] ioctl(3, _IOC(_IOC_WRITE, 0x55, 0xc8, 0x4) [pid 299] <... mount resumed>) = 0 [pid 306] set_robust_list(0x55555c043760, 24 [pid 304] <... ioctl resumed>, 0) = 0 [pid 300] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY [pid 299] mkdir("./syz-tmp/newroot/sys", 0700 [pid 304] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 4 [pid 299] <... mkdir resumed>) = 0 [pid 304] setns(201, 0) = 0 [pid 304] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI) = 5 [pid 300] <... openat resumed>) = 3 [pid 299] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 304] setns(4, 0) = 0 [pid 304] close(4) = 0 [pid 304] ioctl(5, HCISETAUTH [pid 300] ioctl(3, TIOCSETD, [15] [pid 299] <... mount resumed>) = 0 [pid 299] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 300] <... ioctl resumed>) = 0 [pid 299] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 300] ioctl(3, _IOC(_IOC_WRITE, 0x55, 0xc8, 0x4) [pid 299] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 306] <... set_robust_list resumed>) = 0 [pid 300] <... ioctl resumed>, 0) = 0 [pid 299] <... mount resumed>) = 0 [pid 300] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY [pid 299] mkdir("./syz-tmp/newroot/syz-inputs", 0700 [pid 306] chdir("./0" [pid 299] <... mkdir resumed>) = 0 [pid 300] <... openat resumed>) = 4 [pid 299] mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, MS_RDONLY|MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 300] setns(201, 0 [pid 306] <... chdir resumed>) = 0 [pid 300] <... setns resumed>) = 0 [pid 299] mkdir("./syz-tmp/pivot", 0777 [pid 300] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI [pid 299] <... mkdir resumed>) = 0 [pid 300] <... socket resumed>) = 5 [pid 299] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 300] setns(4, 0 [pid 299] <... pivot_root resumed>) = 0 [pid 300] <... setns resumed>) = 0 [pid 299] chdir("/" [pid 300] close(4 [pid 299] <... chdir resumed>) = 0 [pid 300] <... close resumed>) = 0 [pid 299] umount2("./pivot", MNT_DETACH [pid 300] ioctl(5, HCISETAUTH [pid 299] <... umount2 resumed>) = 0 [pid 299] chroot("./newroot") = 0 [pid 299] chdir("/") = 0 [pid 299] mkdir("/dev/gadgetfs", 0777) = -1 EEXIST (File exists) [pid 299] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = -1 ENODEV (No such device) [pid 299] mkdir("/dev/binderfs", 0777) = -1 EEXIST (File exists) [pid 299] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0 [pid 299] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 299] mkdir("./0", 0777) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555c043750) = 2 ./strace-static-x86_64: Process 310 attached [pid 310] set_robust_list(0x55555c043760, 24 [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 [pid 310] <... set_robust_list resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 306] write(3, "1000", 4) = 4 [pid 306] close(3) = 0 [pid 306] read(200, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 306] read(200, 0x7fff6de7d310, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 306] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 306] write(1, "executing program\n", 18) = 18 [pid 306] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY [pid 310] chdir("./0" [pid 306] <... openat resumed>) = 3 [pid 306] ioctl(3, TIOCSETD, [15] [pid 310] <... chdir resumed>) = 0 [pid 306] <... ioctl resumed>) = 0 [pid 306] ioctl(3, _IOC(_IOC_WRITE, 0x55, 0xc8, 0x4) [pid 310] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 306] <... ioctl resumed>, 0) = 0 [pid 306] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 4 [pid 306] setns(201, 0) = 0 [pid 306] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI) = 5 [pid 306] setns(4, 0) = 0 [pid 306] close(4) = 0 [pid 306] ioctl(5, HCISETAUTH [pid 310] setpgid(0, 0) = 0 [pid 310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] write(3, "1000", 4) = 4 [pid 310] close(3) = 0 [pid 310] read(200, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 310] read(200, 0x7fff6de7d310, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 310] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 310] write(1, "executing program\n", 18) = 18 [pid 310] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY) = 3 [pid 310] ioctl(3, TIOCSETD, [15]) = 0 [pid 310] ioctl(3, _IOC(_IOC_WRITE, 0x55, 0xc8, 0x4), 0) = 0 [pid 310] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 4 [pid 310] setns(201, 0) = 0 [pid 310] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI) = 5 [pid 310] setns(4, 0) = 0 [pid 310] close(4) = 0 [ 28.335411][ T8] Bluetooth: hci1: Frame reassembly failed (-84) [ 28.343003][ T43] Bluetooth: hci2: Frame reassembly failed (-84) [ 28.359924][ T8] Bluetooth: hci3: Frame reassembly failed (-84) [ 28.372453][ T43] Bluetooth: hci4: Frame reassembly failed (-84) [ 28.380023][ T43] Bluetooth: hci4: Frame reassembly failed (-84) [ 28.387956][ T43] Bluetooth: hci4: Frame reassembly failed (-84) [pid 310] ioctl(5, HCISETAUTH [pid 301] <... ioctl resumed>, 0x200000000440) = -1 ETIMEDOUT (Connection timed out) [ 30.389310][ T303] Bluetooth: hci2: Opcode 0x1003 failed: -110 [ 30.389310][ T311] Bluetooth: hci4: Opcode 0x1003 failed: -110 [ 30.389369][ T303] Bluetooth: hci4: command 0x1003 tx timeout [ 30.395665][ T305] Bluetooth: hci1: Opcode 0x1003 failed: -110 [ 30.401900][ T309] Bluetooth: hci3: Opcode 0x1003 failed: -110 [ 30.407879][ T307] Bluetooth: hci3: command 0x1003 tx timeout [ 30.413959][ T301] Bluetooth: hci0: Opcode 0x0c20 failed: -110 [ 30.433102][ T43] Bluetooth: hci0: Frame reassembly failed (-84) [pid 301] close(3) = 0 [pid 301] close(4) = -1 EBADF (Bad file descriptor) [pid 301] close(5) = 0 [pid 301] close(6) = -1 EBADF (Bad file descriptor) [pid 301] close(7) = -1 EBADF (Bad file descriptor) [pid 301] close(8) = -1 EBADF (Bad file descriptor) [pid 301] close(9) = -1 EBADF (Bad file descriptor) [pid 301] close(10) = -1 EBADF (Bad file descriptor) [pid 301] close(11) = -1 EBADF (Bad file descriptor) [pid 301] close(12) = -1 EBADF (Bad file descriptor) [pid 301] close(13) = -1 EBADF (Bad file descriptor) [pid 304] <... ioctl resumed>, 0x200000000440) = -1 EINVAL (Invalid argument) [pid 301] close(14 [pid 304] close(3 [pid 301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] close(15 [pid 300] <... ioctl resumed>, 0x200000000440) = -1 EINVAL (Invalid argument) [pid 301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] close(16) = -1 EBADF (Bad file descriptor) [pid 301] close(17 [pid 300] close(3 [pid 301] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 301] close(18) = -1 EBADF (Bad file descriptor) [pid 301] close(19) = -1 EBADF (Bad file descriptor) [pid 301] close(20) = -1 EBADF (Bad file descriptor) [pid 301] close(21) = -1 EBADF (Bad file descriptor) [pid 301] close(22) = -1 EBADF (Bad file descriptor) [pid 301] close(23) = -1 EBADF (Bad file descriptor) [pid 301] close(24) = -1 EBADF (Bad file descriptor) [pid 301] close(25) = -1 EBADF (Bad file descriptor) [pid 301] close(26) = -1 EBADF (Bad file descriptor) [pid 301] close(27) = -1 EBADF (Bad file descriptor) [pid 301] close(28) = -1 EBADF (Bad file descriptor) [pid 301] close(29) = -1 EBADF (Bad file descriptor) [pid 301] exit_group(0) = ? [pid 301] +++ exited with 0 +++ [pid 297] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [ 32.469368][ T314] Bluetooth: hci0: command 0x0c20 tx timeout [ 32.469368][ T45] Bluetooth: hci0: Opcode 0x1003 failed: -110 [ 32.485649][ T304] Bluetooth: hci0: Opcode 0x0c20 failed: -22 [ 32.492927][ T300] Bluetooth: hci0: Opcode 0x0c20 failed: -22 [ 32.500396][ T306] Bluetooth: hci0: Opcode 0x0c20 failed: -22 [pid 297] restart_syscall(<... resuming interrupted clone ...> [pid 306] <... ioctl resumed>, 0x200000000440) = -1 EINVAL (Invalid argument) [pid 297] <... restart_syscall resumed>) = 0 [pid 297] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 297] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 297] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0 [pid 297] getdents64(3, 0x55555c0447f0 /* 3 entries */, 32768) = 80 [pid 297] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] close(3 [pid 297] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 297] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 297] unlink("./0/binderfs") = 0 [pid 297] getdents64(3, 0x55555c0447f0 /* 0 entries */, 32768) = 0 [pid 297] close(3) = 0 [pid 297] rmdir("./0") = 0 [pid 297] mkdir("./1", 0777) = 0 [pid 297] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555c043750) = 3 ./strace-static-x86_64: Process 317 attached [pid 317] set_robust_list(0x55555c043760, 24) = 0 [pid 317] chdir("./1" [pid 310] <... ioctl resumed>, 0x200000000440) = -1 EINVAL (Invalid argument) [pid 317] <... chdir resumed>) = 0 [pid 310] close(3 [pid 317] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 317] setpgid(0, 0) = 0 [pid 317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 317] write(3, "1000", 4) = 4 [pid 317] close(3) = 0 [pid 317] read(200, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 317] read(200, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 317] read(200, 0x7fff6de7d310, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 317] symlink("/dev/binderfs", "./binderfs") = 0 [pid 317] write(1, "executing program\n", 18executing program ) = 18 [pid 317] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY) = 3 [pid 317] ioctl(3, TIOCSETD, [15]) = 0 [pid 317] ioctl(3, _IOC(_IOC_WRITE, 0x55, 0xc8, 0x4), 0) = 0 [pid 317] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 4 [pid 317] setns(201, 0) = 0 [pid 317] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI) = 5 [pid 317] setns(4, 0) = 0 [pid 317] close(4) = 0 [ 32.514412][ T310] Bluetooth: hci0: Opcode 0x0c20 failed: -22 [ 32.537167][ T312] ================================================================== [ 32.537280][ T313] Bluetooth: hci0: Frame reassembly failed (-84) [ 32.546761][ T312] BUG: KASAN: use-after-free in enqueue_timer+0xae/0x480 [ 32.546817][ T312] Write of size 8 at addr ffff8881218e8a00 by task kworker/u5:6/312 [ 32.546832][ T312] [ 32.546838][ T312] CPU: 0 PID: 312 Comm: kworker/u5:6 Not tainted 6.1.145-syzkaller-00002-gc750dc582629 #0 [ 32.546869][ T312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 32.546881][ T312] Workqueue: hci0 hci_power_on [ 32.600247][ T312] Call Trace: [ 32.603814][ T312] [ 32.606947][ T312] __dump_stack+0x21/0x24 [ 32.611770][ T312] dump_stack_lvl+0xee/0x150 [ 32.617695][ T312] ? __cfi_dump_stack_lvl+0x8/0x8 [ 32.623248][ T312] ? select_task_rq_fair+0x56f/0x3490 [ 32.629031][ T312] ? enqueue_timer+0xae/0x480 [ 32.634118][ T312] print_address_description+0x71/0x210 [ 32.640335][ T312] print_report+0x4a/0x60 [ 32.645230][ T312] kasan_report+0x122/0x150 [ 32.650026][ T312] ? enqueue_timer+0xae/0x480 [ 32.655822][ T312] ? try_to_wake_up+0x613/0x1220 [ 32.661428][ T312] __asan_report_store8_noabort+0x17/0x20 [ 32.668573][ T312] enqueue_timer+0xae/0x480 [ 32.673502][ T312] __mod_timer+0x79f/0xb30 [ 32.678120][ T312] schedule_timeout+0x127/0x2e0 [ 32.684057][ T312] ? __cfi_schedule_timeout+0x10/0x10 [ 32.689968][ T312] ? queue_work_on+0xf8/0x140 [ 32.695104][ T312] ? __cfi_process_timeout+0x10/0x10 [ 32.701100][ T312] ? prepare_to_wait_event+0x40b/0x440 [ 32.707378][ T312] __hci_cmd_sync_sk+0x396/0xcf0 [ 32.713044][ T312] ? __cfi___hci_cmd_sync_sk+0x10/0x10 [ 32.719494][ T312] ? __cfi_autoremove_wake_function+0x10/0x10 [ 32.726285][ T312] ? __kasan_check_read+0x11/0x20 [ 32.732090][ T312] ? kvm_sched_clock_read+0x18/0x40 [ 32.738304][ T312] hci_dev_open_sync+0x13a7/0x3260 [ 32.744237][ T312] ? xfd_validate_state+0x70/0x150 [ 32.749726][ T312] ? save_fpregs_to_fpstate+0x192/0x220 [ 32.755738][ T312] ? __cfi_hci_dev_open_sync+0x10/0x10 [ 32.761229][ T312] ? __kasan_check_write+0x14/0x20 [ 32.766635][ T312] ? __switch_to+0x51f/0xe30 [ 32.772081][ T312] ? psi_group_change+0xb73/0x12b0 [ 32.777710][ T312] ? __kasan_check_write+0x14/0x20 [ 32.783283][ T312] ? mutex_lock+0x8d/0x1a0 [ 32.788780][ T312] ? __cfi_mutex_lock+0x10/0x10 [ 32.794604][ T312] ? kthread_data+0x50/0xc0 [ 32.800004][ T312] ? _raw_spin_unlock+0x4c/0x70 [ 32.806011][ T312] hci_power_on+0x195/0x5c0 [ 32.811577][ T312] ? __cfi_hci_power_on+0x10/0x10 [ 32.817567][ T312] ? __schedule+0xb8f/0x14e0 [ 32.822539][ T312] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 32.830243][ T312] process_one_work+0x71f/0xc40 [ 32.835916][ T312] worker_thread+0xa29/0x11f0 [ 32.841963][ T312] kthread+0x281/0x320 [ 32.861107][ T312] ? __cfi_worker_thread+0x10/0x10 [ 32.868172][ T312] ? __cfi_kthread+0x10/0x10 [ 32.873104][ T312] ret_from_fork+0x1f/0x30 [ 32.878531][ T312] [ 32.882823][ T312] [ 32.885440][ T312] Allocated by task 301: [ 32.889886][ T312] kasan_set_track+0x4b/0x70 [ 32.895065][ T312] kasan_save_alloc_info+0x25/0x30 [ 32.900731][ T312] __kasan_kmalloc+0x95/0xb0 [ 32.906089][ T312] __kmalloc+0xb1/0x1e0 [ 32.911521][ T312] hci_alloc_dev_priv+0x27/0x1bd0 [ 32.917014][ T312] hci_uart_tty_ioctl+0x3d6/0xa20 [ 32.922764][ T312] tty_ioctl+0x8ef/0xc60 [ 32.927674][ T312] __se_sys_ioctl+0x12f/0x1b0 [ 32.933065][ T312] __x64_sys_ioctl+0x7b/0x90 [ 32.937883][ T312] x64_sys_call+0x58b/0x9a0 [ 32.943031][ T312] do_syscall_64+0x4c/0xa0 [ 32.949090][ T312] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 32.955530][ T312] [ 32.958131][ T312] Freed by task 310: [ 32.963206][ T312] kasan_set_track+0x4b/0x70 [ 32.968490][ T312] kasan_save_free_info+0x31/0x50 [ 32.974343][ T312] ____kasan_slab_free+0x132/0x180 [ 32.980080][ T312] __kasan_slab_free+0x11/0x20 [ 32.985072][ T312] slab_free_freelist_hook+0xc2/0x190 [ 32.991004][ T312] __kmem_cache_free+0xb7/0x1b0 [ 32.996175][ T312] kfree+0x6f/0xf0 [ 33.000342][ T312] hci_release_dev+0x12a3/0x13b0 [ 33.005475][ T312] bt_host_release+0x82/0x90 [ 33.010891][ T312] device_release+0xa4/0x1d0 [ 33.015959][ T312] kobject_put+0x19d/0x280 [ 33.020708][ T312] put_device+0x1f/0x30 [ 33.025390][ T312] hci_dev_cmd+0x265/0x720 [ 33.030352][ T312] hci_sock_ioctl+0x41e/0x7f0 [ 33.035468][ T312] sock_do_ioctl+0x101/0x310 [ 33.040336][ T312] sock_ioctl+0x4d8/0x6e0 [ 33.046326][ T312] __se_sys_ioctl+0x12f/0x1b0 [ 33.051023][ T312] __x64_sys_ioctl+0x7b/0x90 [ 33.057561][ T312] x64_sys_call+0x58b/0x9a0 [ 33.064044][ T312] do_syscall_64+0x4c/0xa0 [ 33.069173][ T312] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 33.076260][ T312] [ 33.078921][ T312] Last potentially related work creation: [ 33.085181][ T312] kasan_save_stack+0x3a/0x60 [ 33.090480][ T312] __kasan_record_aux_stack+0xb6/0xc0 [ 33.097093][ T312] kasan_record_aux_stack_noalloc+0xb/0x10 [ 33.103787][ T312] insert_work+0x51/0x300 [ 33.108757][ T312] __queue_work+0x9b1/0xd30 [ 33.113827][ T312] queue_work_on+0xd2/0x140 [ 33.118961][ T312] __hci_cmd_sync_sk+0xa3e/0xcf0 [ 33.124249][ T312] hci_cmd_sync_status+0x53/0x120 [ 33.129609][ T312] hci_dev_cmd+0x628/0x720 [ 33.134142][ T312] hci_sock_ioctl+0x41e/0x7f0 [ 33.139428][ T312] sock_do_ioctl+0x101/0x310 [ 33.144289][ T312] sock_ioctl+0x4d8/0x6e0 [ 33.149162][ T312] __se_sys_ioctl+0x12f/0x1b0 [ 33.154193][ T312] __x64_sys_ioctl+0x7b/0x90 [ 33.158871][ T312] x64_sys_call+0x58b/0x9a0 [ 33.163556][ T312] do_syscall_64+0x4c/0xa0 [ 33.168423][ T312] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 33.174505][ T312] [ 33.176827][ T312] Second to last potentially related work creation: [ 33.184182][ T312] kasan_save_stack+0x3a/0x60 [ 33.189066][ T312] __kasan_record_aux_stack+0xb6/0xc0 [ 33.195167][ T312] kasan_record_aux_stack_noalloc+0xb/0x10 [ 33.201615][ T312] insert_work+0x51/0x300 [ 33.205975][ T312] __queue_work+0x9b1/0xd30 [ 33.210852][ T312] queue_work_on+0xd2/0x140 [ 33.215534][ T312] __hci_cmd_sync_sk+0xa3e/0xcf0 [ 33.220813][ T312] hci_cmd_sync_status+0x53/0x120 [ 33.226449][ T312] hci_dev_cmd+0x628/0x720 [ 33.231221][ T312] hci_sock_ioctl+0x41e/0x7f0 [ 33.235999][ T312] sock_do_ioctl+0x101/0x310 [ 33.240593][ T312] sock_ioctl+0x4d8/0x6e0 [ 33.244923][ T312] __se_sys_ioctl+0x12f/0x1b0 [ 33.249595][ T312] __x64_sys_ioctl+0x7b/0x90 [ 33.254190][ T312] x64_sys_call+0x58b/0x9a0 [ 33.258698][ T312] do_syscall_64+0x4c/0xa0 [ 33.263115][ T312] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 33.269027][ T312] [ 33.271425][ T312] The buggy address belongs to the object at ffff8881218e8000 [ 33.271425][ T312] which belongs to the cache kmalloc-8k of size 8192 [ 33.285938][ T312] The buggy address is located 2560 bytes inside of [ 33.285938][ T312] 8192-byte region [ffff8881218e8000, ffff8881218ea000) [ 33.299686][ T312] [ 33.302012][ T312] The buggy address belongs to the physical page: [ 33.308550][ T312] page:ffffea0004863a00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1218e8 [ 33.319043][ T312] head:ffffea0004863a00 order:3 compound_mapcount:0 compound_pincount:0 [ 33.327374][ T312] flags: 0x4000000000010200(slab|head|zone=1) [ 33.333469][ T312] raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100043500 [ 33.342080][ T312] raw: 0000000000000000 0000000000020002 00000001ffffffff 0000000000000000 [ 33.350842][ T312] page dumped because: kasan: bad access detected [ 33.357339][ T312] page_owner tracks the page as allocated [ 33.363137][ T312] page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 295, tgid 295 (syz-executor229), ts 28293313661, free_ts 20514309329 [ 33.385105][ T312] post_alloc_hook+0x1f5/0x210 [ 33.389889][ T312] prep_new_page+0x1c/0x110 [ 33.394686][ T312] get_page_from_freelist+0x2c7b/0x2cf0 [ 33.400332][ T312] __alloc_pages+0x1c3/0x450 [ 33.404963][ T312] alloc_slab_page+0x6e/0xf0 [ 33.409703][ T312] new_slab+0x98/0x3d0 [ 33.414000][ T312] ___slab_alloc+0x6f6/0xb50 [ 33.419046][ T312] __slab_alloc+0x5e/0xa0 [ 33.423478][ T312] __kmem_cache_alloc_node+0x203/0x2c0 [ 33.428960][ T312] __kmalloc_node+0xa1/0x1e0 [ 33.433917][ T312] kvmalloc_node+0x294/0x480 [ 33.438603][ T312] pfifo_fast_init+0x3af/0x7a0 [ 33.443687][ T312] qdisc_create_dflt+0x150/0x3b0 [ 33.448742][ T312] dev_activate+0x2cf/0x1040 [ 33.453431][ T312] __dev_open+0x3ce/0x4f0 [ 33.457853][ T312] __dev_change_flags+0x21b/0x6b0 [ 33.462976][ T312] page last free stack trace: [ 33.467746][ T312] free_unref_page_prepare+0x742/0x750 [ 33.473204][ T312] free_unref_page+0x8f/0x530 [ 33.478054][ T312] free_compound_page+0x99/0xd0 [ 33.482901][ T312] destroy_large_folio+0x68/0xa0 [ 33.487842][ T312] __folio_put+0xd1/0xe0 [ 33.492084][ T312] skb_release_data+0x47f/0x890 [ 33.496969][ T312] skb_attempt_defer_free+0x10e/0x410 [ 33.502360][ T312] tcp_recvmsg_locked+0x126f/0x23b0 [ 33.507553][ T312] tcp_recvmsg+0x20e/0x810 [ 33.512049][ T312] inet_recvmsg+0x13b/0x470 [ 33.516638][ T312] sock_read_iter+0x2d3/0x380 [ 33.521412][ T312] vfs_read+0x41e/0x8c0 [ 33.525746][ T312] ksys_read+0x140/0x240 [ 33.530005][ T312] __x64_sys_read+0x7b/0x90 [ 33.534597][ T312] x64_sys_call+0x2f/0x9a0 [ 33.539016][ T312] do_syscall_64+0x4c/0xa0 [ 33.543711][ T312] [ 33.546129][ T312] Memory state around the buggy address: [ 33.552030][ T312] ffff8881218e8900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 33.560260][ T312] ffff8881218e8980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [pid 317] ioctl(5, HCISETAUTH [pid 295] kill(-2, SIGKILL) = 0 [pid 299] kill(-2, SIGKILL [pid 298] kill(-2, SIGKILL [pid 296] kill(-2, SIGKILL [pid 295] kill(2, SIGKILL [pid 299] <... kill resumed>) = 0 [pid 298] <... kill resumed>) = 0 [pid 296] <... kill resumed>) = 0 [pid 295] <... kill resumed>) = 0 [pid 299] kill(2, SIGKILL [pid 296] kill(2, SIGKILL [pid 299] <... kill resumed>) = 0 [pid 298] kill(2, SIGKILL [pid 296] <... kill resumed>) = 0 [pid 298] <... kill resumed>) = 0 [ 33.568317][ T312] >ffff8881218e8a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 33.576370][ T312] ^ [ 33.580549][ T312] ffff8881218e8a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 33.588701][ T312] ffff8881218e8b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 33.596858][ T312] ================================================================== [ 33.605257][ T312] Disabling lock debugging due to kernel taint [ 33.619028][ T28] kauditd_printk_skb: 10 callbacks suppressed [pid 304] <... close resumed>) = ? [pid 304] +++ killed by SIGKILL +++ [pid 295] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=2, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=2} --- [pid 295] restart_syscall(<... resuming interrupted kill ...>) = 0 [pid 295] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 295] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0 [pid 295] getdents64(3, 0x55555c0447f0 /* 3 entries */, 32768) = 80 [pid 295] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 295] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 295] unlink("./0/binderfs") = 0 [pid 295] getdents64(3, 0x55555c0447f0 /* 0 entries */, 32768) = 0 [pid 295] close(3) = 0 [pid 295] rmdir("./0") = 0 [pid 295] mkdir("./1", 0777) = 0 [ 33.619043][ T28] audit: type=1400 audit(1755163897.630:84): avc: denied { read } for pid=84 comm="syslogd" name="log" dev="sda1" ino=2010 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 [ 33.648041][ T28] audit: type=1400 audit(1755163897.630:85): avc: denied { search } for pid=84 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [pid 295] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555c043750) = 3 ./strace-static-x86_64: Process 318 attached [pid 318] set_robust_list(0x55555c043760, 24) = 0 [pid 318] chdir("./1") = 0 [pid 318] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 318] setpgid(0, 0) = 0 [pid 318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 318] write(3, "1000", 4) = 4 [pid 318] close(3) = 0 [pid 318] read(200, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 318] read(200, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 executing program [pid 318] read(200, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 318] read(200, 0x7fff6de7d310, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 318] symlink("/dev/binderfs", "./binderfs") = 0 [pid 318] write(1, "executing program\n", 18) = 18 [pid 318] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY) = 3 [pid 318] ioctl(3, TIOCSETD, [15]) = 0 [pid 318] ioctl(3, _IOC(_IOC_WRITE, 0x55, 0xc8, 0x4), 0) = 0 [pid 318] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 4 [pid 318] setns(201, 0) = 0 [pid 318] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI) = 5 [pid 318] setns(4, 0) = 0 [pid 318] close(4) = 0 [pid 318] ioctl(5, HCISETAUTH [pid 310] <... close resumed>) = ? [pid 306] <... close resumed>) = ? [pid 300] <... close resumed>) = ? [pid 310] +++ killed by SIGKILL +++ [pid 306] +++ killed by SIGKILL +++ [pid 300] +++ killed by SIGKILL +++ [pid 299] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=2, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- [pid 298] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=2, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- [pid 296] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=2, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- [pid 299] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 298] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 296] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 299] <... openat resumed>) = 3 [pid 298] <... openat resumed>) = 3 [pid 296] <... openat resumed>) = 3 [ 33.669840][ T28] audit: type=1400 audit(1755163897.640:86): avc: denied { write } for pid=84 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 33.691559][ T313] Bluetooth: hci1: Frame reassembly failed (-84) [ 33.692244][ T28] audit: type=1400 audit(1755163897.640:87): avc: denied { add_name } for pid=84 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [pid 299] newfstatat(3, "", [pid 298] newfstatat(3, "", [pid 296] newfstatat(3, "", [pid 299] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=60, ...}, AT_EMPTY_PATH) = 0 [pid 299] getdents64(3, [pid 298] getdents64(3, [pid 296] getdents64(3, [pid 299] <... getdents64 resumed>0x55555c0447f0 /* 3 entries */, 32768) = 80 [pid 298] <... getdents64 resumed>0x55555c0447f0 /* 3 entries */, 32768) = 80 [pid 296] <... getdents64 resumed>0x55555c0447f0 /* 3 entries */, 32768) = 80 [pid 299] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 298] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 296] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 299] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 298] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 296] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 299] newfstatat(AT_FDCWD, "./0/binderfs", [pid 298] newfstatat(AT_FDCWD, "./0/binderfs", [pid 296] newfstatat(AT_FDCWD, "./0/binderfs", [pid 299] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 298] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 296] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 299] unlink("./0/binderfs" [pid 298] unlink("./0/binderfs" [pid 296] unlink("./0/binderfs" [pid 299] <... unlink resumed>) = 0 [pid 298] <... unlink resumed>) = 0 [pid 296] <... unlink resumed>) = 0 [pid 299] getdents64(3, [pid 298] getdents64(3, [pid 296] getdents64(3, [pid 299] <... getdents64 resumed>0x55555c0447f0 /* 0 entries */, 32768) = 0 [pid 298] <... getdents64 resumed>0x55555c0447f0 /* 0 entries */, 32768) = 0 [pid 296] <... getdents64 resumed>0x55555c0447f0 /* 0 entries */, 32768) = 0 [pid 299] close(3 [pid 298] close(3 [pid 296] close(3 [pid 299] <... close resumed>) = 0 [pid 298] <... close resumed>) = 0 [pid 296] <... close resumed>) = 0 [pid 299] rmdir("./0" [pid 298] rmdir("./0" [pid 296] rmdir("./0" [pid 299] <... rmdir resumed>) = 0 [pid 298] <... rmdir resumed>) = 0 [pid 296] <... rmdir resumed>) = 0 [pid 299] mkdir("./1", 0777 [pid 298] mkdir("./1", 0777executing program [pid 296] mkdir("./1", 0777 [pid 299] <... mkdir resumed>) = 0 [pid 298] <... mkdir resumed>) = 0 [pid 296] <... mkdir resumed>) = 0 [pid 299] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 298] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 296] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 299] <... clone resumed>, child_tidptr=0x55555c043750) = 3 [pid 298] <... clone resumed>, child_tidptr=0x55555c043750) = 3 [pid 296] <... clone resumed>, child_tidptr=0x55555c043750) = 3 ./strace-static-x86_64: Process 321 attached [pid 321] set_robust_list(0x55555c043760, 24) = 0 [pid 321] chdir("./1") = 0 [pid 321] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 321] setpgid(0, 0) = 0 [pid 321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 321] write(3, "1000", 4) = 4 [pid 321] close(3) = 0 [pid 321] read(200, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 ./strace-static-x86_64: Process 320 attached [pid 321] read(200, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 320] set_robust_list(0x55555c043760, 24 [pid 321] read(200, 0x7fff6de7d310, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 321] symlink("/dev/binderfs", "./binderfs" [pid 320] <... set_robust_list resumed>) = 0 [pid 321] <... symlink resumed>) = 0 [pid 320] chdir("./1") = 0 [pid 320] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 321] write(1, "executing program\n", 18 [pid 320] setpgid(0, 0 [pid 321] <... write resumed>) = 18 [pid 321] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY [pid 320] <... setpgid resumed>) = 0 [pid 320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 321] <... openat resumed>) = 3 [pid 320] <... openat resumed>) = 3 [pid 320] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 319 attached [pid 319] set_robust_list(0x55555c043760, 24) = 0 [pid 319] chdir("./1") = 0 [pid 319] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 319] setpgid(0, 0) = 0 [pid 319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 319] write(3, "1000", 4) = 4 [pid 319] close(3) = 0 [pid 319] read(200, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 319] read(200, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 319] read(200, 0x7fff6de7d310, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 319] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 319] write(1, "executing program\n", 18) = 18 [pid 319] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY) = 3 [pid 319] ioctl(3, TIOCSETD, [15]) = 0 [pid 319] ioctl(3, _IOC(_IOC_WRITE, 0x55, 0xc8, 0x4), 0) = 0 [pid 319] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 4 [pid 319] setns(201, 0) = 0 [pid 319] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI) = 5 [pid 319] setns(4, 0) = 0 [pid 319] close(4 [pid 320] close(3 [pid 319] <... close resumed>) = 0 [pid 321] ioctl(3, TIOCSETD, [15] [pid 320] <... close resumed>) = 0 [pid 319] ioctl(5, HCISETAUTH [pid 320] read(200, [pid 321] <... ioctl resumed>) = 0 [pid 320] <... read resumed>"\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 321] ioctl(3, _IOC(_IOC_WRITE, 0x55, 0xc8, 0x4) [pid 320] read(200, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 320] read(200, 0x7fff6de7d310, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 320] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 320] write(1, "executing program\n", 18) = 18 [pid 320] openat(AT_FDCWD, "/dev/ptmx", O_RDONLY) = 3 [pid 320] ioctl(3, TIOCSETD, [15]) = 0 [pid 320] ioctl(3, _IOC(_IOC_WRITE, 0x55, 0xc8, 0x4) [pid 321] <... ioctl resumed>, 0) = 0 [pid 321] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 4 [pid 321] setns(201, 0) = 0 [pid 321] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI) = 5 [pid 321] setns(4, 0) = 0 [pid 321] close(4) = 0 [pid 321] ioctl(5, HCISETAUTH [pid 320] <... ioctl resumed>, 0) = 0 [pid 320] openat(AT_FDCWD, "/proc/self/ns/net", O_RDONLY) = 4 [pid 320] setns(201, 0) = 0 [pid 320] socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI) = 5 [pid 320] setns(4, 0) = 0 [pid 320] close(4) = 0 [ 33.720061][ T28] audit: type=1400 audit(1755163897.640:88): avc: denied { create } for pid=84 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 33.742312][ T28] audit: type=1400 audit(1755163897.640:89): avc: denied { append open } for pid=84 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 33.766991][ T28] audit: type=1400 audit(1755163897.640:90): avc: denied { getattr } for pid=84 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 33.767216][ T313] Bluetooth: hci2: Frame reassembly failed (-84) [ 33.798928][ T10] Bluetooth: hci3: Frame reassembly failed (-84) [ 33.798987][ T43] Bluetooth: hci4: Frame reassembly failed (-84) [ 34.549329][ C0] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 34.561587][ C0] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 34.570186][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G B 6.1.145-syzkaller-00002-gc750dc582629 #0 [ 34.581825][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 34.592132][ C0] RIP: 0010:__queue_work+0x575/0xd30 [ 34.597597][ C0] Code: 39 2b 0f 84 b9 00 00 00 e8 28 d7 28 00 4c 89 ff e8 50 60 ac 03 49 bc 00 00 00 00 00 fc ff df 4c 8b 6d d0 4c 89 e8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ef e8 4c 3a 6d 00 49 8b 7d 00 e8 33 5c [ 34.617288][ C0] RSP: 0018:ffffc90000007c70 EFLAGS: 00010046 [ 34.623344][ C0] RAX: 0000000000000000 RBX: 000000007fffffff RCX: ffffffff86e1c500 [ 34.629349][ T312] Bluetooth: hci0: Opcode 0x1003 failed: -110 [ 34.631312][ C0] RDX: 0000000000000100 RSI: 000000007fffffff RDI: 000000007fffffff [ 34.645556][ C0] RBP: ffffc90000007d08 R08: fffffffffffffffb R09: 0000000000000007 [ 34.653793][ C0] R10: ffffed102431d139 R11: 1ffff1102431d139 R12: dffffc0000000000 [ 34.661834][ C0] R13: 0000000000000000 R14: ffff8881218e89c8 R15: 0000000000000008 [ 34.669910][ C0] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 34.678890][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 34.685658][ C0] CR2: 000055555c043750 CR3: 000000010a0be000 CR4: 00000000003506b0 [ 34.693997][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 34.702352][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 34.712548][ C0] Call Trace: [ 34.715947][ C0] [ 34.718999][ C0] delayed_work_timer_fn+0x61/0x80 [ 34.724509][ C0] ? __cfi_delayed_work_timer_fn+0x10/0x10 [ 34.730323][ C0] call_timer_fn+0x46/0x2a0 [ 34.734925][ C0] ? __cfi_delayed_work_timer_fn+0x10/0x10 [ 34.741181][ C0] __run_timers+0x667/0x9a0 [ 34.745859][ C0] ? calc_index+0x200/0x200 [ 34.750448][ C0] ? kvm_sched_clock_read+0x18/0x40 [ 34.755752][ C0] run_timer_softirq+0x6a/0xf0 [ 34.760564][ C0] handle_softirqs+0x1d7/0x600 [ 34.765601][ C0] ? irqtime_account_irq+0xc4/0x240 [ 34.771012][ C0] __irq_exit_rcu+0x52/0xf0 [ 34.775528][ C0] irq_exit_rcu+0x9/0x10 [ 34.779908][ C0] sysvec_apic_timer_interrupt+0xa9/0xc0 [ 34.785542][ C0] [ 34.788601][ C0] [ 34.791798][ C0] asm_sysvec_apic_timer_interrupt+0x1b/0x20 [ 34.798144][ C0] RIP: 0010:default_idle+0xf/0x20 [ 34.803463][ C0] Code: e9 47 ff ff ff 00 00 cc cc 00 00 90 90 90 90 90 90 90 90 90 90 90 b8 0c 67 40 a5 55 48 89 e5 66 90 0f 00 2d 53 d2 52 00 fb f4 <5d> c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 90 90 90 90 90 [ 34.823854][ C0] RSP: 0018:ffffffff86e07d58 EFLAGS: 00000257 [ 34.830222][ C0] RAX: ffff8881f7000000 RBX: ffffffff86e1c500 RCX: 1c9d18ac5b8f5500 [ 34.838380][ C0] RDX: 0000000000000001 RSI: ffffffff85aa0bc0 RDI: ffffffff85aa0b80 [ 34.846358][ C0] RBP: ffffffff86e07d58 R08: dffffc0000000000 R09: ffffed103ee06917 [ 34.854673][ C0] R10: 0000000000000000 R11: ffffffff84f36120 R12: 0000000000000000 [ 34.863020][ C0] R13: 0000000000000000 R14: ffffffff86e1c500 R15: dffffc0000000000 [ 34.871440][ C0] ? __cfi_default_idle+0x10/0x10 [ 34.876478][ C0] arch_cpu_idle+0x1c/0x20 [ 34.880898][ C0] default_idle_call+0x71/0x1d0 [ 34.885851][ C0] do_idle+0x1a7/0x520 [ 34.889911][ C0] ? idle_inject_timer_fn+0x60/0x60 [ 34.895211][ C0] ? debug_smp_processor_id+0x17/0x20 [ 34.900705][ C0] cpu_startup_entry+0x43/0x60 [ 34.906043][ C0] rest_init+0x10a/0x130 [ 34.910287][ C0] ? __cfi_x86_late_time_init+0x8/0x8 [ 34.915710][ C0] arch_call_rest_init+0xe/0x10 [ 34.920570][ C0] start_kernel+0x482/0x4f0 [ 34.925269][ C0] x86_64_start_reservations+0x2a/0x2c [ 34.930875][ C0] x86_64_start_kernel+0x7c/0x81 [ 34.935844][ C0] secondary_startup_64_no_verify+0xce/0xdb [ 34.941750][ C0] [ 34.944885][ C0] Modules linked in: [ 34.949061][ C0] ---[ end trace 0000000000000000 ]--- [ 34.954512][ C0] RIP: 0010:__queue_work+0x575/0xd30 [ 34.959965][ C0] Code: 39 2b 0f 84 b9 00 00 00 e8 28 d7 28 00 4c 89 ff e8 50 60 ac 03 49 bc 00 00 00 00 00 fc ff df 4c 8b 6d d0 4c 89 e8 48 c1 e8 03 <42> 80 3c 20 00 74 08 4c 89 ef e8 4c 3a 6d 00 49 8b 7d 00 e8 33 5c [ 34.980022][ C0] RSP: 0018:ffffc90000007c70 EFLAGS: 00010046 [ 34.986287][ C0] RAX: 0000000000000000 RBX: 000000007fffffff RCX: ffffffff86e1c500 [ 34.994385][ C0] RDX: 0000000000000100 RSI: 000000007fffffff RDI: 000000007fffffff [ 35.002446][ C0] RBP: ffffc90000007d08 R08: fffffffffffffffb R09: 0000000000000007 [ 35.010520][ C0] R10: ffffed102431d139 R11: 1ffff1102431d139 R12: dffffc0000000000 [ 35.018599][ C0] R13: 0000000000000000 R14: ffff8881218e89c8 R15: 0000000000000008 [ 35.026602][ C0] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 35.035704][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.042476][ C0] CR2: 000055555c043750 CR3: 000000010a0be000 CR4: 00000000003506b0 [ 35.050746][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.058972][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.067311][ C0] Kernel panic - not syncing: Fatal exception in interrupt [ 35.075630][ C0] Kernel Offset: disabled [ 35.080161][ C0] Rebooting in 86400 seconds..