./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2104364128 <...> Warning: Permanently added '10.128.0.231' (ED25519) to the list of known hosts. [ 102.836137][ T9] cfg80211: failed to load regulatory.db execve("./syz-executor2104364128", ["./syz-executor2104364128"], 0x7ffd4dd282f0 /* 10 vars */) = 0 brk(NULL) = 0x5555678a2000 brk(0x5555678a2e00) = 0x5555678a2e00 arch_prctl(ARCH_SET_FS, 0x5555678a2480) = 0 set_tid_address(0x5555678a2750) = 5832 set_robust_list(0x5555678a2760, 24) = 0 rseq(0x5555678a2da0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2104364128", 4096) = 28 getrandom("\x51\xfa\xc5\x43\x18\x50\x33\xfb", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555678a2e00 brk(0x5555678c3e00) = 0x5555678c3e00 brk(0x5555678c4000) = 0x5555678c4000 mprotect(0x7fc66f04a000, 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 socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 4 sendto(4, [{nlmsg_len=36, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0d\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x35\x34\x00\x00\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=864, nlmsg_type=nlctrl, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=5832}, "\x01\x02\x00\x00\x0d\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x35\x34\x00\x00\x00\x00\x06\x00\x01\x00\x1d\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x30\x00\x00\x00\xe8\x02\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x05\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x03\x00"...], 4096, 0, NULL, NULL) = 864 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5832}, {error=0, msg={nlmsg_len=36, nlmsg_type=nlctrl, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan0", ifr_ifindex=11}) = 0 close(5) = 0 sendto(4, [{nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x0b\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x06\x00\x0a\x00\xa0\xaa\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5832}, {error=0, msg={nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan0", ifr_ifindex=11}) = 0 close(5) = 0 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\x0c\x00\x01\x00\x02\x00\xaa\xaa\xaa\xaa\xaa\xaa"], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 44 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5832}, {error=0, msg={nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 sendto(3, [{nlmsg_len=68, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|NLM_F_EXCL|NLM_F_CREATE, nlmsg_seq=0, nlmsg_pid=0}, {ifi_family=AF_UNSPEC, ifi_type=ARPHRD_NETROM, ifi_index=0, ifi_flags=0, ifi_change=0}, [[{nla_len=11, nla_type=IFLA_IFNAME}, "lowpan0"...], [{nla_len=16, nla_type=IFLA_LINKINFO}, [{nla_len=10, nla_type=IFLA_INFO_KIND}, "lowpan"...]], [{nla_len=8, nla_type=IFLA_LINK}, 11]]], 68, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 68 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5832}, {error=0, msg={nlmsg_len=68, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|NLM_F_EXCL|NLM_F_CREATE, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan1", ifr_ifindex=12}) = 0 close(5) = 0 sendto(4, [{nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x0b\x00\x00\x00\x08\x00\x03\x00\x0c\x00\x00\x00\x06\x00\x0a\x00\xa1\xaa\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5832}, {error=0, msg={nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan1", ifr_ifindex=12}) = 0 close(5) = 0 sendto(3, [{nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, {ifi_family=AF_UNSPEC, ifi_type=ARPHRD_NETROM, ifi_index=if_nametoindex("wpan1"), ifi_flags=IFF_UP, ifi_change=0x1}, [{nla_len=12, nla_type=IFLA_ADDRESS}, 02:01:aa:aa:aa:aa:aa]], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 44 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5832}, {error=0, msg={nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 close(3) = 0 close(4) = 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=0x7fc66ef86da0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fc66ef91990}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7fc66ef86da0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fc66ef91990}, NULL, 8) = 0 mkdir("./syzkaller.Q2hpBR", 0700) = 0 chmod("./syzkaller.Q2hpBR", 0777) = 0 chdir("./syzkaller.Q2hpBR") = 0 mkdir("./0", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5834 attached , child_tidptr=0x5555678a2750) = 5834 [pid 5834] set_robust_list(0x5555678a2760, 24) = 0 [pid 5834] chdir("./0") = 0 [pid 5834] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5834] setpgid(0, 0) = 0 [pid 5834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5834] write(3, "1000", 4) = 4 [pid 5834] close(3) = 0 [pid 5834] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5834] write(1, "executing program\n", 18) = 18 [pid 5834] futex(0x7fc66f0506cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5834] rt_sigaction(SIGRT_1, {sa_handler=0x7fc66eff1200, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fc66ef91990}, NULL, 8) = 0 [pid 5834] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5834] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc66ef54000 [pid 5834] mprotect(0x7fc66ef55000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5834] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5834] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc66ef74990, parent_tid=0x7fc66ef74990, exit_signal=0, stack=0x7fc66ef54000, stack_size=0x20240, tls=0x7fc66ef746c0}./strace-static-x86_64: Process 5835 attached [pid 5835] rseq(0x7fc66ef74fe0, 0x20, 0, 0x53053053 [pid 5834] <... clone3 resumed> => {parent_tid=[5835]}, 88) = 5835 [pid 5835] <... rseq resumed>) = 0 [pid 5834] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5835] set_robust_list(0x7fc66ef749a0, 24 [pid 5834] futex(0x7fc66f0506c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] <... set_robust_list resumed>) = 0 [pid 5834] <... futex resumed>) = 0 [pid 5835] rt_sigprocmask(SIG_SETMASK, [], [pid 5834] futex(0x7fc66f0506cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5835] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5835] memfd_create("syzkaller", 0) = 3 [pid 5835] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc666a00000 [pid 5835] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5835] munmap(0x7fc666a00000, 138412032) = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5835] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5835] close(3) = 0 [pid 5835] close(4) = 0 [pid 5835] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5835] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "udf", MS_SYNCHRONOUS|MS_RELATIME|MS_I_VERSION, "iocharset=iso8859-1,nostrict,uid=forget,anchor=0000000000000145,gid=00000000000000000000,dmode=00000"...) = 0 [pid 5835] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5835] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5835] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5835] futex(0x7fc66f0506cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5835] futex(0x7fc66f0506c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5834] <... futex resumed>) = 0 [pid 5834] futex(0x7fc66f0506c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5835] <... futex resumed>) = 0 [pid 5834] futex(0x7fc66f0506cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5835] openat(AT_FDCWD, "/dev/hwrng", O_RDONLY) = 4 [pid 5835] futex(0x7fc66f0506cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5834] <... futex resumed>) = 0 [ 103.526590][ T5835] loop0: detected capacity change from 0 to 2048 [ 103.548984][ T5835] UDF-fs: INFO Mounting volume 'LiuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5835] futex(0x7fc66f0506c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5834] futex(0x7fc66f0506c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5835] preadv(4, [pid 5834] <... futex resumed>) = 0 [pid 5834] futex(0x7fc66f0506cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5834] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5834] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc66ef33000 [pid 5834] mprotect(0x7fc66ef34000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5834] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5834] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc66ef53990, parent_tid=0x7fc66ef53990, exit_signal=0, stack=0x7fc66ef33000, stack_size=0x20240, tls=0x7fc66ef536c0}./strace-static-x86_64: Process 5836 attached [pid 5836] rseq(0x7fc66ef53fe0, 0x20, 0, 0x53053053) = 0 [pid 5834] <... clone3 resumed> => {parent_tid=[5836]}, 88) = 5836 [pid 5836] set_robust_list(0x7fc66ef539a0, 24 [pid 5834] rt_sigprocmask(SIG_SETMASK, [], [pid 5836] <... set_robust_list resumed>) = 0 [pid 5836] rt_sigprocmask(SIG_SETMASK, [], [pid 5834] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5836] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5834] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_LARGEFILE|O_NOATIME|FASYNC|0x3c, 004 [pid 5834] <... futex resumed>) = 0 [pid 5834] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] <... open resumed>) = 5 [pid 5836] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5834] <... futex resumed>) = 0 [pid 5836] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5834] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5834] <... futex resumed>) = 0 [pid 5836] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_DIRECT|O_NOATIME|FASYNC, 000 [pid 5834] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] <... open resumed>) = 6 [pid 5836] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5834] <... futex resumed>) = 0 [pid 5834] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] memfd_create("syzkaller", 0 [pid 5834] <... futex resumed>) = 0 [pid 5834] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5836] <... memfd_create resumed>) = 7 [pid 5836] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc666a00000 [pid 5836] write(7, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\x81\x7c\xe1\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd4\xee\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 5836] munmap(0x7fc666a00000, 138412032) = 0 [pid 5836] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5836] close(7) = 0 [pid 5836] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5834] <... futex resumed>) = 0 [pid 5834] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... futex resumed>) = 1 [pid 5834] <... futex resumed>) = 0 [pid 5834] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] truncate(NULL, 9) = -1 EFAULT (Bad address) [pid 5836] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5834] <... futex resumed>) = 0 [pid 5834] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5834] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] <... futex resumed>) = 1 [pid 5836] getdents64(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 5836] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5836] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5834] <... futex resumed>) = 0 [pid 5834] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... futex resumed>) = 0 [pid 5834] <... futex resumed>) = 1 [pid 5836] ftruncate(6, 33587202 [pid 5834] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] <... ftruncate resumed>) = 0 [pid 5836] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5834] <... futex resumed>) = 0 [pid 5836] mmap(0x200000000000, 6291456, PROT_WRITE|PROT_GROWSUP|0x8088e3ad102bc190, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5834] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5834] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5834] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5834] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc66ef12000 [pid 5834] mprotect(0x7fc66ef13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5834] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5834] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc66ef32990, parent_tid=0x7fc66ef32990, exit_signal=0, stack=0x7fc66ef12000, stack_size=0x20240, tls=0x7fc66ef326c0}./strace-static-x86_64: Process 5837 attached [pid 5837] rseq(0x7fc66ef32fe0, 0x20, 0, 0x53053053 [pid 5834] <... clone3 resumed> => {parent_tid=[5837]}, 88) = 5837 [pid 5837] <... rseq resumed>) = 0 [pid 5834] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5834] futex(0x7fc66f0506e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5834] futex(0x7fc66f0506ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5837] set_robust_list(0x7fc66ef329a0, 24) = 0 [pid 5837] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5837] memfd_create("syzkaller", 0) = 7 [pid 5837] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc666a00000 [pid 5837] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5837] munmap(0x7fc666a00000, 138412032) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5837] close(7) = 0 [pid 5837] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5834] <... futex resumed>) = 0 [pid 5834] futex(0x7fc66f0506e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5834] futex(0x7fc66f0506ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5837] read(5, NULL, 0) = 0 [pid 5837] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5834] <... futex resumed>) = 0 [pid 5837] futex(0x7fc66f0506e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5834] futex(0x7fc66f0506e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5837] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5834] futex(0x7fc66f0506ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5837] mkdir(0x200000000880, 0777) = 0 [pid 5837] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5837] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5834] <... futex resumed>) = 0 [pid 5837] futex(0x7fc66f0506e8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5834] futex(0x7fc66f0506e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5834] futex(0x7fc66f0506ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5836] <... mmap resumed>) = 0x200000000000 [pid 5836] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5836] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5837] memfd_create("syzkaller", 0) = 7 [pid 5837] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc666a00000 [pid 5837] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5837] munmap(0x7fc666a00000, 138412032) = 0 [pid 5837] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5837] close(7) = 0 [pid 5837] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5834] <... futex resumed>) = 0 [pid 5837] futex(0x7fc66f0506e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5834] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5836] <... futex resumed>) = 0 [pid 5834] <... futex resumed>) = 1 [pid 5836] write(-1, NULL, 0 [pid 5834] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5836] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5836] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5834] <... futex resumed>) = 0 [pid 5836] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5834] exit_group(0 [pid 5837] <... futex resumed>) = ? [pid 5836] <... futex resumed>) = ? [pid 5834] <... exit_group resumed>) = ? [pid 5837] +++ exited with 0 +++ [pid 5836] +++ exited with 0 +++ [pid 5835] <... preadv resumed> ) = ? [pid 5835] +++ exited with 0 +++ [pid 5834] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5834, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=124 /* 1.24 s */} --- umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x5555678a37f0 /* 4 entries */, 32768) = 352 umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./0/binderfs") = 0 umount2("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x5555678ab830 /* 2 entries */, 32768) = 48 getdents64(4, 0x5555678ab830 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./0/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 getdents64(3, 0x5555678a37f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./0") = 0 mkdir("./1", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5838 attached , child_tidptr=0x5555678a2750) = 5838 [pid 5838] set_robust_list(0x5555678a2760, 24) = 0 [pid 5838] chdir("./1") = 0 [pid 5838] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5838] setpgid(0, 0) = 0 [pid 5838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5838] write(3, "1000", 4) = 4 [pid 5838] close(3) = 0 [pid 5838] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5838] write(1, "executing program\n", 18executing program ) = 18 [pid 5838] futex(0x7fc66f0506cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5838] rt_sigaction(SIGRT_1, {sa_handler=0x7fc66eff1200, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fc66ef91990}, NULL, 8) = 0 [pid 5838] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5838] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc66ef54000 [pid 5838] mprotect(0x7fc66ef55000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5838] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5838] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc66ef74990, parent_tid=0x7fc66ef74990, exit_signal=0, stack=0x7fc66ef54000, stack_size=0x20240, tls=0x7fc66ef746c0}./strace-static-x86_64: Process 5839 attached [pid 5839] rseq(0x7fc66ef74fe0, 0x20, 0, 0x53053053 [pid 5838] <... clone3 resumed> => {parent_tid=[5839]}, 88) = 5839 [pid 5839] <... rseq resumed>) = 0 [pid 5838] rt_sigprocmask(SIG_SETMASK, [], [pid 5839] set_robust_list(0x7fc66ef749a0, 24 [pid 5838] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5839] <... set_robust_list resumed>) = 0 [pid 5838] futex(0x7fc66f0506c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5838] <... futex resumed>) = 0 [pid 5838] futex(0x7fc66f0506cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5839] memfd_create("syzkaller", 0) = 3 [pid 5839] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc666a00000 [pid 5839] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5839] munmap(0x7fc666a00000, 138412032) = 0 [pid 5839] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5839] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5839] close(3) = 0 [pid 5839] close(4) = 0 [pid 5839] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5839] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "udf", MS_SYNCHRONOUS|MS_RELATIME|MS_I_VERSION, "iocharset=iso8859-1,nostrict,uid=forget,anchor=0000000000000145,gid=00000000000000000000,dmode=00000"...) = 0 [pid 5839] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5839] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5839] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5839] futex(0x7fc66f0506cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5838] <... futex resumed>) = 0 [pid 5839] futex(0x7fc66f0506c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5838] futex(0x7fc66f0506c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5838] <... futex resumed>) = 0 [pid 5839] openat(AT_FDCWD, "/dev/hwrng", O_RDONLY [pid 5838] futex(0x7fc66f0506cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5839] <... openat resumed>) = 4 [pid 5839] futex(0x7fc66f0506cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5838] <... futex resumed>) = 0 [pid 5839] futex(0x7fc66f0506c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5838] futex(0x7fc66f0506c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5839] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5838] <... futex resumed>) = 0 [pid 5839] preadv(4, [ 105.274679][ T5839] loop0: detected capacity change from 0 to 2048 [ 105.308134][ T5839] UDF-fs: INFO Mounting volume 'LiuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5838] futex(0x7fc66f0506cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5838] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5838] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc66ef33000 [pid 5838] mprotect(0x7fc66ef34000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5838] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5838] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc66ef53990, parent_tid=0x7fc66ef53990, exit_signal=0, stack=0x7fc66ef33000, stack_size=0x20240, tls=0x7fc66ef536c0}./strace-static-x86_64: Process 5840 attached [pid 5840] rseq(0x7fc66ef53fe0, 0x20, 0, 0x53053053 [pid 5838] <... clone3 resumed> => {parent_tid=[5840]}, 88) = 5840 [pid 5840] <... rseq resumed>) = 0 [pid 5840] set_robust_list(0x7fc66ef539a0, 24 [pid 5838] rt_sigprocmask(SIG_SETMASK, [], [pid 5840] <... set_robust_list resumed>) = 0 [pid 5838] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] rt_sigprocmask(SIG_SETMASK, [], [pid 5838] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5838] <... futex resumed>) = 0 [pid 5840] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_LARGEFILE|O_NOATIME|FASYNC|0x3c, 004 [pid 5838] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] <... open resumed>) = 5 [pid 5840] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5838] <... futex resumed>) = 0 [pid 5840] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5838] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5838] <... futex resumed>) = 0 [pid 5838] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_DIRECT|O_NOATIME|FASYNC, 000) = 6 [pid 5840] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5838] <... futex resumed>) = 0 [pid 5840] memfd_create("syzkaller", 0 [pid 5838] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5840] <... memfd_create resumed>) = 7 [pid 5838] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5840] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc666a00000 [pid 5840] write(7, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\x81\x7c\xe1\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd4\xee\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 5840] munmap(0x7fc666a00000, 138412032) = 0 [pid 5840] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5840] close(7) = 0 [pid 5840] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5838] <... futex resumed>) = 0 [pid 5840] truncate(NULL, 9 [pid 5838] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5838] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] <... truncate resumed>) = -1 EFAULT (Bad address) [pid 5840] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5838] <... futex resumed>) = 0 [pid 5840] getdents64(-1, [pid 5838] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5840] <... getdents64 resumed>NULL, 0) = -1 EBADF (Bad file descriptor) [pid 5838] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5840] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5838] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5838] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... futex resumed>) = 0 [pid 5840] ftruncate(6, 33587202 [pid 5838] <... futex resumed>) = 1 [pid 5840] <... ftruncate resumed>) = 0 [pid 5838] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5838] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5840] <... futex resumed>) = 0 [pid 5838] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5840] mmap(0x200000000000, 6291456, PROT_WRITE|PROT_GROWSUP|0x8088e3ad102bc190, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5838] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5838] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5838] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc66ef12000 [pid 5838] mprotect(0x7fc66ef13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5838] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5838] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc66ef32990, parent_tid=0x7fc66ef32990, exit_signal=0, stack=0x7fc66ef12000, stack_size=0x20240, tls=0x7fc66ef326c0}./strace-static-x86_64: Process 5841 attached => {parent_tid=[5841]}, 88) = 5841 [pid 5841] rseq(0x7fc66ef32fe0, 0x20, 0, 0x53053053 [pid 5838] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5838] futex(0x7fc66f0506e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5838] futex(0x7fc66f0506ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5841] <... rseq resumed>) = 0 [pid 5841] set_robust_list(0x7fc66ef329a0, 24) = 0 [pid 5841] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5841] memfd_create("syzkaller", 0) = 7 [pid 5841] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc666a00000 [pid 5841] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5841] munmap(0x7fc666a00000, 138412032) = 0 [pid 5841] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5841] close(7) = 0 [pid 5841] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5838] <... futex resumed>) = 0 [pid 5838] futex(0x7fc66f0506e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5841] read(5, [pid 5838] futex(0x7fc66f0506ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5841] <... read resumed>NULL, 0) = 0 [pid 5841] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5838] <... futex resumed>) = 0 [pid 5841] futex(0x7fc66f0506e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5838] futex(0x7fc66f0506e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5838] futex(0x7fc66f0506ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5841] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5841] mkdir(0x200000000880, 0777) = 0 [pid 5841] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5841] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5841] futex(0x7fc66f0506e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5838] <... futex resumed>) = 0 [pid 5838] futex(0x7fc66f0506e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5841] <... futex resumed>) = 0 [pid 5838] futex(0x7fc66f0506ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5841] memfd_create("syzkaller", 0) = 7 [pid 5841] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc666a00000 [pid 5840] <... mmap resumed>) = 0x200000000000 [pid 5840] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5840] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5841] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5841] munmap(0x7fc666a00000, 138412032) = 0 [pid 5841] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5841] close(7) = 0 [pid 5841] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5838] <... futex resumed>) = 0 [pid 5841] futex(0x7fc66f0506e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5838] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5840] <... futex resumed>) = 0 [pid 5838] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] write(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 5840] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5838] <... futex resumed>) = 0 [pid 5840] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5838] exit_group(0 [pid 5841] <... futex resumed>) = ? [pid 5840] <... futex resumed>) = ? [pid 5838] <... exit_group resumed>) = ? [pid 5840] +++ exited with 0 +++ [pid 5841] +++ exited with 0 +++ [pid 5839] <... preadv resumed> ) = ? [pid 5839] +++ exited with 0 +++ [pid 5838] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5838, si_uid=0, si_status=0, si_utime=6 /* 0.06 s */, si_stime=115 /* 1.15 s */} --- umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x5555678a37f0 /* 4 entries */, 32768) = 352 umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./1/binderfs") = 0 umount2("./1/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./1/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./1/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./1/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./1/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x5555678ab830 /* 2 entries */, 32768) = 48 getdents64(4, 0x5555678ab830 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./1/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 getdents64(3, 0x5555678a37f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./1") = 0 mkdir("./2", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5842 attached , child_tidptr=0x5555678a2750) = 5842 [pid 5842] set_robust_list(0x5555678a2760, 24) = 0 [pid 5842] chdir("./2") = 0 [pid 5842] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5842] setpgid(0, 0) = 0 [pid 5842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5842] write(3, "1000", 4) = 4 [pid 5842] close(3) = 0 [pid 5842] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5842] write(1, "executing program\n", 18) = 18 [pid 5842] futex(0x7fc66f0506cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5842] rt_sigaction(SIGRT_1, {sa_handler=0x7fc66eff1200, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fc66ef91990}, NULL, 8) = 0 [pid 5842] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5842] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc66ef54000 [pid 5842] mprotect(0x7fc66ef55000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5842] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5842] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc66ef74990, parent_tid=0x7fc66ef74990, exit_signal=0, stack=0x7fc66ef54000, stack_size=0x20240, tls=0x7fc66ef746c0}./strace-static-x86_64: Process 5843 attached [pid 5843] rseq(0x7fc66ef74fe0, 0x20, 0, 0x53053053 [pid 5842] <... clone3 resumed> => {parent_tid=[5843]}, 88) = 5843 [pid 5843] <... rseq resumed>) = 0 [pid 5842] rt_sigprocmask(SIG_SETMASK, [], [pid 5843] set_robust_list(0x7fc66ef749a0, 24 [pid 5842] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5843] <... set_robust_list resumed>) = 0 [pid 5842] futex(0x7fc66f0506c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] rt_sigprocmask(SIG_SETMASK, [], [pid 5842] <... futex resumed>) = 0 [pid 5843] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5842] futex(0x7fc66f0506cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5843] memfd_create("syzkaller", 0) = 3 [pid 5843] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc666a00000 [pid 5843] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5843] munmap(0x7fc666a00000, 138412032) = 0 [pid 5843] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5843] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5843] close(3) = 0 [pid 5843] close(4) = 0 [pid 5843] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5843] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "udf", MS_SYNCHRONOUS|MS_RELATIME|MS_I_VERSION, "iocharset=iso8859-1,nostrict,uid=forget,anchor=0000000000000145,gid=00000000000000000000,dmode=00000"...) = 0 [pid 5843] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5843] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5843] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5843] futex(0x7fc66f0506cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] <... futex resumed>) = 0 [pid 5843] <... futex resumed>) = 1 [pid 5842] futex(0x7fc66f0506c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] openat(AT_FDCWD, "/dev/hwrng", O_RDONLY [pid 5842] <... futex resumed>) = 0 [pid 5843] <... openat resumed>) = 4 [pid 5842] futex(0x7fc66f0506cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5843] futex(0x7fc66f0506cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5842] <... futex resumed>) = 0 [pid 5843] futex(0x7fc66f0506c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5842] futex(0x7fc66f0506c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5842] <... futex resumed>) = 0 [pid 5843] preadv(4, [ 106.796138][ T5843] loop0: detected capacity change from 0 to 2048 [ 106.823365][ T5843] UDF-fs: INFO Mounting volume 'LiuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5842] futex(0x7fc66f0506cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5842] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5842] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc66ef33000 [pid 5842] mprotect(0x7fc66ef34000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5842] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5842] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc66ef53990, parent_tid=0x7fc66ef53990, exit_signal=0, stack=0x7fc66ef33000, stack_size=0x20240, tls=0x7fc66ef536c0}./strace-static-x86_64: Process 5844 attached [pid 5844] rseq(0x7fc66ef53fe0, 0x20, 0, 0x53053053) = 0 [pid 5844] set_robust_list(0x7fc66ef539a0, 24 [pid 5842] <... clone3 resumed> => {parent_tid=[5844]}, 88) = 5844 [pid 5844] <... set_robust_list resumed>) = 0 [pid 5844] rt_sigprocmask(SIG_SETMASK, [], [pid 5842] rt_sigprocmask(SIG_SETMASK, [], [pid 5844] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5842] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5844] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5842] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5844] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_LARGEFILE|O_NOATIME|FASYNC|0x3c, 004 [pid 5842] <... futex resumed>) = 0 [pid 5842] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5844] <... open resumed>) = 5 [pid 5844] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] <... futex resumed>) = 0 [pid 5842] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] <... futex resumed>) = 1 [pid 5842] <... futex resumed>) = 0 [pid 5844] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_DIRECT|O_NOATIME|FASYNC, 000 [pid 5842] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5844] <... open resumed>) = 6 [pid 5844] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5842] <... futex resumed>) = 0 [pid 5842] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] memfd_create("syzkaller", 0 [pid 5842] <... futex resumed>) = 0 [pid 5842] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5844] <... memfd_create resumed>) = 7 [pid 5844] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc666a00000 [pid 5844] write(7, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\x81\x7c\xe1\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd4\xee\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 5844] munmap(0x7fc666a00000, 138412032) = 0 [pid 5844] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5844] close(7) = 0 [pid 5844] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5842] <... futex resumed>) = 0 [pid 5844] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5842] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5842] <... futex resumed>) = 0 [pid 5844] truncate(NULL, 9 [pid 5842] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5844] <... truncate resumed>) = -1 EFAULT (Bad address) [pid 5844] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] <... futex resumed>) = 0 [pid 5844] <... futex resumed>) = 1 [pid 5842] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] getdents64(-1, [pid 5842] <... futex resumed>) = 0 [pid 5844] <... getdents64 resumed>NULL, 0) = -1 EBADF (Bad file descriptor) [pid 5842] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5844] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5844] <... futex resumed>) = 0 [pid 5844] ftruncate(6, 33587202 [pid 5842] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5844] <... ftruncate resumed>) = 0 [pid 5842] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5844] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5842] <... futex resumed>) = 0 [pid 5844] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5842] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5842] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5844] mmap(0x200000000000, 6291456, PROT_WRITE|PROT_GROWSUP|0x8088e3ad102bc190, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5842] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5842] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5842] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc66ef12000 [pid 5842] mprotect(0x7fc66ef13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5842] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5842] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc66ef32990, parent_tid=0x7fc66ef32990, exit_signal=0, stack=0x7fc66ef12000, stack_size=0x20240, tls=0x7fc66ef326c0}./strace-static-x86_64: Process 5845 attached [pid 5845] rseq(0x7fc66ef32fe0, 0x20, 0, 0x53053053) = 0 [pid 5842] <... clone3 resumed> => {parent_tid=[5845]}, 88) = 5845 [pid 5845] set_robust_list(0x7fc66ef329a0, 24 [pid 5842] rt_sigprocmask(SIG_SETMASK, [], [pid 5845] <... set_robust_list resumed>) = 0 [pid 5842] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5845] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5842] futex(0x7fc66f0506e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5842] futex(0x7fc66f0506ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5845] memfd_create("syzkaller", 0) = 7 [pid 5845] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc666a00000 [pid 5845] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5845] munmap(0x7fc666a00000, 138412032) = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5845] close(7) = 0 [pid 5845] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] <... futex resumed>) = 0 [pid 5845] <... futex resumed>) = 1 [pid 5845] futex(0x7fc66f0506e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5842] futex(0x7fc66f0506e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5842] <... futex resumed>) = 0 [pid 5845] read(5, [pid 5842] futex(0x7fc66f0506ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5845] <... read resumed>NULL, 0) = 0 [pid 5845] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5842] <... futex resumed>) = 0 [pid 5845] futex(0x7fc66f0506e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5842] futex(0x7fc66f0506e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5845] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5842] <... futex resumed>) = 0 [pid 5845] mkdir(0x200000000880, 0777 [pid 5842] futex(0x7fc66f0506ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5845] <... mkdir resumed>) = 0 [pid 5845] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5845] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5842] <... futex resumed>) = 0 [pid 5842] futex(0x7fc66f0506e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5842] futex(0x7fc66f0506ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5845] memfd_create("syzkaller", 0) = 7 [pid 5845] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc666a00000 [pid 5844] <... mmap resumed>) = 0x200000000000 [pid 5844] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5844] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5845] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5845] munmap(0x7fc666a00000, 138412032) = 0 [pid 5845] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5845] close(7) = 0 [pid 5845] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5842] <... futex resumed>) = 0 [pid 5845] futex(0x7fc66f0506e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5842] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] <... futex resumed>) = 0 [pid 5842] <... futex resumed>) = 1 [pid 5844] write(-1, NULL, 0 [pid 5842] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5844] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5844] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5842] <... futex resumed>) = 0 [pid 5842] exit_group(0 [pid 5845] <... futex resumed>) = ? [pid 5844] <... futex resumed>) = ? [pid 5842] <... exit_group resumed>) = ? [pid 5845] +++ exited with 0 +++ [pid 5844] +++ exited with 0 +++ [pid 5843] <... preadv resumed> ) = ? [pid 5843] +++ exited with 0 +++ [pid 5842] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5842, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=124 /* 1.24 s */} --- umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x5555678a37f0 /* 4 entries */, 32768) = 352 umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./2/binderfs") = 0 umount2("./2/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./2/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./2/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./2/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./2/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x5555678ab830 /* 2 entries */, 32768) = 48 getdents64(4, 0x5555678ab830 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./2/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 getdents64(3, 0x5555678a37f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./2") = 0 mkdir("./3", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5846 attached [pid 5846] set_robust_list(0x5555678a2760, 24 [pid 5832] <... clone resumed>, child_tidptr=0x5555678a2750) = 5846 [pid 5846] <... set_robust_list resumed>) = 0 [pid 5846] chdir("./3") = 0 [pid 5846] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5846] setpgid(0, 0) = 0 [pid 5846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5846] write(3, "1000", 4) = 4 [pid 5846] close(3) = 0 [pid 5846] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5846] write(1, "executing program\n", 18) = 18 [pid 5846] futex(0x7fc66f0506cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5846] rt_sigaction(SIGRT_1, {sa_handler=0x7fc66eff1200, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fc66ef91990}, NULL, 8) = 0 [pid 5846] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5846] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc66ef54000 [pid 5846] mprotect(0x7fc66ef55000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5846] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5846] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc66ef74990, parent_tid=0x7fc66ef74990, exit_signal=0, stack=0x7fc66ef54000, stack_size=0x20240, tls=0x7fc66ef746c0}./strace-static-x86_64: Process 5847 attached [pid 5847] rseq(0x7fc66ef74fe0, 0x20, 0, 0x53053053) = 0 [pid 5846] <... clone3 resumed> => {parent_tid=[5847]}, 88) = 5847 [pid 5847] set_robust_list(0x7fc66ef749a0, 24 [pid 5846] rt_sigprocmask(SIG_SETMASK, [], [pid 5847] <... set_robust_list resumed>) = 0 [pid 5846] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5847] rt_sigprocmask(SIG_SETMASK, [], [pid 5846] futex(0x7fc66f0506c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5847] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5846] <... futex resumed>) = 0 [pid 5847] memfd_create("syzkaller", 0 [pid 5846] futex(0x7fc66f0506cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5847] <... memfd_create resumed>) = 3 [pid 5847] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc666a00000 [pid 5847] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5847] munmap(0x7fc666a00000, 138412032) = 0 [pid 5847] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5847] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5847] close(3) = 0 [pid 5847] close(4) = 0 [pid 5847] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [ 108.626456][ T5847] loop0: detected capacity change from 0 to 2048 [pid 5847] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "udf", MS_SYNCHRONOUS|MS_RELATIME|MS_I_VERSION, "iocharset=iso8859-1,nostrict,uid=forget,anchor=0000000000000145,gid=00000000000000000000,dmode=00000"...) = 0 [pid 5847] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5847] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5847] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5847] futex(0x7fc66f0506cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5846] <... futex resumed>) = 0 [pid 5847] <... futex resumed>) = 1 [pid 5846] futex(0x7fc66f0506c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5847] openat(AT_FDCWD, "/dev/hwrng", O_RDONLY [pid 5846] <... futex resumed>) = 0 [pid 5846] futex(0x7fc66f0506cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5847] <... openat resumed>) = 4 [ 108.676699][ T5847] UDF-fs: INFO Mounting volume 'LiuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5847] futex(0x7fc66f0506cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5846] <... futex resumed>) = 0 [pid 5847] futex(0x7fc66f0506c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5846] futex(0x7fc66f0506c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5846] futex(0x7fc66f0506cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5847] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5847] preadv(4, [pid 5846] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5846] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5846] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc66ef33000 [pid 5846] mprotect(0x7fc66ef34000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5846] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5846] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc66ef53990, parent_tid=0x7fc66ef53990, exit_signal=0, stack=0x7fc66ef33000, stack_size=0x20240, tls=0x7fc66ef536c0}./strace-static-x86_64: Process 5848 attached [pid 5848] rseq(0x7fc66ef53fe0, 0x20, 0, 0x53053053 [pid 5846] <... clone3 resumed> => {parent_tid=[5848]}, 88) = 5848 [pid 5848] <... rseq resumed>) = 0 [pid 5846] rt_sigprocmask(SIG_SETMASK, [], [pid 5848] set_robust_list(0x7fc66ef539a0, 24 [pid 5846] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5846] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] <... set_robust_list resumed>) = 0 [pid 5846] <... futex resumed>) = 0 [pid 5848] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5846] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5848] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_LARGEFILE|O_NOATIME|FASYNC|0x3c, 004) = 5 [pid 5848] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5846] <... futex resumed>) = 0 [pid 5846] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5848] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_DIRECT|O_NOATIME|FASYNC, 000 [pid 5846] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5848] <... open resumed>) = 6 [pid 5848] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5846] <... futex resumed>) = 0 [pid 5848] memfd_create("syzkaller", 0 [pid 5846] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] <... memfd_create resumed>) = 7 [pid 5846] <... futex resumed>) = 0 [pid 5848] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5846] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5848] <... mmap resumed>) = 0x7fc666a00000 [pid 5848] write(7, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\x81\x7c\xe1\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd4\xee\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 5848] munmap(0x7fc666a00000, 138412032) = 0 [pid 5848] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5848] close(7) = 0 [pid 5848] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5846] <... futex resumed>) = 0 [pid 5848] truncate(NULL, 9 [pid 5846] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] <... truncate resumed>) = -1 EFAULT (Bad address) [pid 5846] <... futex resumed>) = 0 [pid 5846] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5848] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5846] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5848] <... futex resumed>) = 0 [pid 5846] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5848] getdents64(-1, [pid 5846] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5848] <... getdents64 resumed>NULL, 0) = -1 EBADF (Bad file descriptor) [pid 5848] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5846] <... futex resumed>) = 0 [pid 5846] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] ftruncate(6, 33587202 [pid 5846] <... futex resumed>) = 0 [pid 5846] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5848] <... ftruncate resumed>) = 0 [pid 5848] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5846] <... futex resumed>) = 0 [pid 5848] mmap(0x200000000000, 6291456, PROT_WRITE|PROT_GROWSUP|0x8088e3ad102bc190, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5846] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5846] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5846] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5846] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc66ef12000 [pid 5846] mprotect(0x7fc66ef13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5846] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5846] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc66ef32990, parent_tid=0x7fc66ef32990, exit_signal=0, stack=0x7fc66ef12000, stack_size=0x20240, tls=0x7fc66ef326c0}./strace-static-x86_64: Process 5849 attached [pid 5849] rseq(0x7fc66ef32fe0, 0x20, 0, 0x53053053 [pid 5846] <... clone3 resumed> => {parent_tid=[5849]}, 88) = 5849 [pid 5849] <... rseq resumed>) = 0 [pid 5849] set_robust_list(0x7fc66ef329a0, 24 [pid 5846] rt_sigprocmask(SIG_SETMASK, [], [pid 5849] <... set_robust_list resumed>) = 0 [pid 5846] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5849] rt_sigprocmask(SIG_SETMASK, [], [pid 5846] futex(0x7fc66f0506e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5849] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5846] <... futex resumed>) = 0 [pid 5846] futex(0x7fc66f0506ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5849] memfd_create("syzkaller", 0) = 7 [pid 5849] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc666a00000 [pid 5849] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5849] munmap(0x7fc666a00000, 138412032) = 0 [pid 5849] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5849] close(7) = 0 [pid 5849] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] <... mmap resumed>) = 0x200000000000 [pid 5849] <... futex resumed>) = 1 [pid 5846] <... futex resumed>) = 0 [pid 5849] futex(0x7fc66f0506e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5848] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5846] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] <... futex resumed>) = 0 [pid 5846] <... futex resumed>) = 0 [pid 5848] read(5, [pid 5846] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5848] <... read resumed>NULL, 0) = 0 [pid 5848] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5846] <... futex resumed>) = 0 [pid 5848] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5846] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5846] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5848] <... futex resumed>) = 0 [pid 5848] mkdir(0x200000000880, 0777) = 0 [pid 5848] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5848] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5846] <... futex resumed>) = 0 [pid 5848] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5846] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5848] <... futex resumed>) = 0 [pid 5846] <... futex resumed>) = 1 [pid 5846] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5848] memfd_create("syzkaller", 0) = 7 [pid 5848] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc666a00000 [pid 5848] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5848] munmap(0x7fc666a00000, 138412032) = 0 [pid 5848] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5848] close(7) = 0 [pid 5848] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5846] <... futex resumed>) = 0 [pid 5846] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5846] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5848] write(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 5848] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5848] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5846] <... futex resumed>) = 0 [pid 5846] exit_group(0 [pid 5849] <... futex resumed>) = ? [pid 5848] <... futex resumed>) = ? [pid 5846] <... exit_group resumed>) = ? [pid 5849] +++ exited with 0 +++ [pid 5847] <... preadv resumed> ) = ? [pid 5847] +++ exited with 0 +++ [pid 5848] +++ exited with 0 +++ [pid 5846] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5846, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=122 /* 1.22 s */} --- umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x5555678a37f0 /* 4 entries */, 32768) = 352 umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./3/binderfs") = 0 umount2("./3/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./3/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./3/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./3/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./3/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x5555678ab830 /* 2 entries */, 32768) = 48 getdents64(4, 0x5555678ab830 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./3/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 getdents64(3, 0x5555678a37f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./3") = 0 mkdir("./4", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5850 attached , child_tidptr=0x5555678a2750) = 5850 [pid 5850] set_robust_list(0x5555678a2760, 24) = 0 [pid 5850] chdir("./4") = 0 [pid 5850] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5850] setpgid(0, 0) = 0 [pid 5850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5850] write(3, "1000", 4) = 4 [pid 5850] close(3) = 0 [pid 5850] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5850] write(1, "executing program\n", 18) = 18 [pid 5850] futex(0x7fc66f0506cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5850] rt_sigaction(SIGRT_1, {sa_handler=0x7fc66eff1200, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fc66ef91990}, NULL, 8) = 0 [pid 5850] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5850] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc66ef54000 [pid 5850] mprotect(0x7fc66ef55000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5850] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5850] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc66ef74990, parent_tid=0x7fc66ef74990, exit_signal=0, stack=0x7fc66ef54000, stack_size=0x20240, tls=0x7fc66ef746c0}./strace-static-x86_64: Process 5851 attached [pid 5851] rseq(0x7fc66ef74fe0, 0x20, 0, 0x53053053 [pid 5850] <... clone3 resumed> => {parent_tid=[5851]}, 88) = 5851 [pid 5851] <... rseq resumed>) = 0 [pid 5851] set_robust_list(0x7fc66ef749a0, 24) = 0 [pid 5850] rt_sigprocmask(SIG_SETMASK, [], [pid 5851] rt_sigprocmask(SIG_SETMASK, [], [pid 5850] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5850] futex(0x7fc66f0506c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5851] memfd_create("syzkaller", 0 [pid 5850] <... futex resumed>) = 0 [pid 5850] futex(0x7fc66f0506cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5851] <... memfd_create resumed>) = 3 [pid 5851] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc666a00000 [pid 5851] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5851] munmap(0x7fc666a00000, 138412032) = 0 [pid 5851] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5851] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5851] close(3) = 0 [pid 5851] close(4) = 0 [pid 5851] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [ 110.587408][ T5851] loop0: detected capacity change from 0 to 2048 [pid 5851] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "udf", MS_SYNCHRONOUS|MS_RELATIME|MS_I_VERSION, "iocharset=iso8859-1,nostrict,uid=forget,anchor=0000000000000145,gid=00000000000000000000,dmode=00000"...) = 0 [pid 5851] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5851] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5851] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5851] futex(0x7fc66f0506cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] <... futex resumed>) = 0 [pid 5851] <... futex resumed>) = 1 [pid 5850] futex(0x7fc66f0506c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] openat(AT_FDCWD, "/dev/hwrng", O_RDONLY [pid 5850] <... futex resumed>) = 0 [pid 5851] <... openat resumed>) = 4 [pid 5850] futex(0x7fc66f0506cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5851] futex(0x7fc66f0506cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5851] futex(0x7fc66f0506c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5850] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [ 110.633937][ T5851] UDF-fs: INFO Mounting volume 'LiuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5850] futex(0x7fc66f0506c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5851] <... futex resumed>) = 0 [pid 5850] <... futex resumed>) = 1 [pid 5851] preadv(4, [pid 5850] futex(0x7fc66f0506cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5850] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5850] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc66ef33000 [pid 5850] mprotect(0x7fc66ef34000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5850] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5850] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc66ef53990, parent_tid=0x7fc66ef53990, exit_signal=0, stack=0x7fc66ef33000, stack_size=0x20240, tls=0x7fc66ef536c0}./strace-static-x86_64: Process 5852 attached [pid 5852] rseq(0x7fc66ef53fe0, 0x20, 0, 0x53053053 [pid 5850] <... clone3 resumed> => {parent_tid=[5852]}, 88) = 5852 [pid 5852] <... rseq resumed>) = 0 [pid 5850] rt_sigprocmask(SIG_SETMASK, [], [pid 5852] set_robust_list(0x7fc66ef539a0, 24 [pid 5850] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5852] <... set_robust_list resumed>) = 0 [pid 5850] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] rt_sigprocmask(SIG_SETMASK, [], [pid 5850] <... futex resumed>) = 0 [pid 5852] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5850] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5852] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_LARGEFILE|O_NOATIME|FASYNC|0x3c, 004) = 5 [pid 5852] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5850] <... futex resumed>) = 0 [pid 5852] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5850] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5850] <... futex resumed>) = 0 [pid 5852] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_DIRECT|O_NOATIME|FASYNC, 000 [pid 5850] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5852] <... open resumed>) = 6 [pid 5852] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5850] <... futex resumed>) = 0 [pid 5852] memfd_create("syzkaller", 0 [pid 5850] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] <... memfd_create resumed>) = 7 [pid 5850] <... futex resumed>) = 0 [pid 5852] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5850] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5852] <... mmap resumed>) = 0x7fc666a00000 [pid 5852] write(7, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\x81\x7c\xe1\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd4\xee\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 5852] munmap(0x7fc666a00000, 138412032) = 0 [pid 5852] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5852] close(7) = 0 [pid 5852] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5850] <... futex resumed>) = 0 [pid 5852] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5850] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] truncate(NULL, 9) = -1 EFAULT (Bad address) [pid 5850] <... futex resumed>) = 0 [pid 5850] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5852] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5852] <... futex resumed>) = 0 [pid 5850] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] getdents64(-1, [pid 5850] <... futex resumed>) = 0 [pid 5850] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5852] <... getdents64 resumed>NULL, 0) = -1 EBADF (Bad file descriptor) [pid 5852] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5850] <... futex resumed>) = 0 [pid 5852] ftruncate(6, 33587202 [pid 5850] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5850] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5852] <... ftruncate resumed>) = 0 [pid 5852] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5850] <... futex resumed>) = 0 [pid 5852] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5850] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] mmap(0x200000000000, 6291456, PROT_WRITE|PROT_GROWSUP|0x8088e3ad102bc190, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5850] <... futex resumed>) = 0 [pid 5850] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5850] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5850] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc66ef12000 [pid 5850] mprotect(0x7fc66ef13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5850] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5850] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc66ef32990, parent_tid=0x7fc66ef32990, exit_signal=0, stack=0x7fc66ef12000, stack_size=0x20240, tls=0x7fc66ef326c0}./strace-static-x86_64: Process 5853 attached => {parent_tid=[5853]}, 88) = 5853 [pid 5850] rt_sigprocmask(SIG_SETMASK, [], [pid 5853] rseq(0x7fc66ef32fe0, 0x20, 0, 0x53053053) = 0 [pid 5850] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5853] set_robust_list(0x7fc66ef329a0, 24 [pid 5850] futex(0x7fc66f0506e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] <... set_robust_list resumed>) = 0 [pid 5850] <... futex resumed>) = 0 [pid 5853] rt_sigprocmask(SIG_SETMASK, [], [pid 5850] futex(0x7fc66f0506ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5853] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5853] memfd_create("syzkaller", 0) = 7 [pid 5853] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc666a00000 [pid 5853] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5853] munmap(0x7fc666a00000, 138412032) = 0 [pid 5853] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5853] close(7) = 0 [pid 5853] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5850] <... futex resumed>) = 0 [pid 5853] futex(0x7fc66f0506e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5850] futex(0x7fc66f0506e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5850] <... futex resumed>) = 0 [pid 5853] read(5, [pid 5850] futex(0x7fc66f0506ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5853] <... read resumed>NULL, 0) = 0 [pid 5853] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5850] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5853] <... futex resumed>) = 0 [pid 5853] mkdir(0x200000000880, 0777 [pid 5850] futex(0x7fc66f0506e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] <... mkdir resumed>) = 0 [pid 5850] <... futex resumed>) = 0 [pid 5850] futex(0x7fc66f0506ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5853] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5853] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5850] <... futex resumed>) = 0 [pid 5853] futex(0x7fc66f0506e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5850] futex(0x7fc66f0506e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5850] <... futex resumed>) = 0 [pid 5850] futex(0x7fc66f0506ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5853] memfd_create("syzkaller", 0) = 7 [pid 5853] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc666a00000 [pid 5852] <... mmap resumed>) = 0x200000000000 [pid 5852] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5852] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5853] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5853] munmap(0x7fc666a00000, 138412032) = 0 [pid 5853] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5853] close(7) = 0 [pid 5853] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5850] <... futex resumed>) = 0 [pid 5853] futex(0x7fc66f0506e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5850] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] <... futex resumed>) = 0 [pid 5850] <... futex resumed>) = 1 [pid 5852] write(-1, NULL, 0 [pid 5850] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5852] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5852] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5852] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5850] <... futex resumed>) = 0 [pid 5850] exit_group(0 [pid 5853] <... futex resumed>) = ? [pid 5852] <... futex resumed>) = ? [pid 5850] <... exit_group resumed>) = ? [pid 5852] +++ exited with 0 +++ [pid 5853] +++ exited with 0 +++ [pid 5851] <... preadv resumed> ) = ? [pid 5851] +++ exited with 0 +++ [pid 5850] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5850, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=127 /* 1.27 s */} --- umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x5555678a37f0 /* 4 entries */, 32768) = 352 umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./4/binderfs") = 0 umount2("./4/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./4/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./4/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./4/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./4/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x5555678ab830 /* 2 entries */, 32768) = 48 getdents64(4, 0x5555678ab830 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./4/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 getdents64(3, 0x5555678a37f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./4") = 0 mkdir("./5", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5854 attached [pid 5854] set_robust_list(0x5555678a2760, 24) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x5555678a2750) = 5854 [pid 5854] chdir("./5") = 0 [pid 5854] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5854] setpgid(0, 0) = 0 [pid 5854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5854] write(3, "1000", 4) = 4 [pid 5854] close(3) = 0 [pid 5854] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5854] write(1, "executing program\n", 18) = 18 [pid 5854] futex(0x7fc66f0506cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5854] rt_sigaction(SIGRT_1, {sa_handler=0x7fc66eff1200, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fc66ef91990}, NULL, 8) = 0 [pid 5854] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5854] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc66ef54000 [pid 5854] mprotect(0x7fc66ef55000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5854] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5854] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc66ef74990, parent_tid=0x7fc66ef74990, exit_signal=0, stack=0x7fc66ef54000, stack_size=0x20240, tls=0x7fc66ef746c0}./strace-static-x86_64: Process 5855 attached [pid 5855] rseq(0x7fc66ef74fe0, 0x20, 0, 0x53053053 [pid 5854] <... clone3 resumed> => {parent_tid=[5855]}, 88) = 5855 [pid 5855] <... rseq resumed>) = 0 [pid 5855] set_robust_list(0x7fc66ef749a0, 24 [pid 5854] rt_sigprocmask(SIG_SETMASK, [], [pid 5855] <... set_robust_list resumed>) = 0 [pid 5854] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5854] futex(0x7fc66f0506c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] rt_sigprocmask(SIG_SETMASK, [], [pid 5854] <... futex resumed>) = 0 [pid 5854] futex(0x7fc66f0506cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5855] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5855] memfd_create("syzkaller", 0) = 3 [pid 5855] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc666a00000 [pid 5855] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5855] munmap(0x7fc666a00000, 138412032) = 0 [pid 5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5855] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5855] close(3) = 0 [pid 5855] close(4) = 0 [pid 5855] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [ 112.547459][ T5855] loop0: detected capacity change from 0 to 2048 [pid 5855] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "udf", MS_SYNCHRONOUS|MS_RELATIME|MS_I_VERSION, "iocharset=iso8859-1,nostrict,uid=forget,anchor=0000000000000145,gid=00000000000000000000,dmode=00000"...) = 0 [pid 5855] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5855] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5855] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 112.595091][ T5855] UDF-fs: INFO Mounting volume 'LiuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5855] futex(0x7fc66f0506cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] <... futex resumed>) = 0 [pid 5855] <... futex resumed>) = 1 [pid 5854] futex(0x7fc66f0506c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] openat(AT_FDCWD, "/dev/hwrng", O_RDONLY [pid 5854] <... futex resumed>) = 0 [pid 5855] <... openat resumed>) = 4 [pid 5854] futex(0x7fc66f0506cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5855] futex(0x7fc66f0506cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5854] <... futex resumed>) = 0 [pid 5855] futex(0x7fc66f0506c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5854] futex(0x7fc66f0506c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5854] <... futex resumed>) = 0 [pid 5855] preadv(4, [pid 5854] futex(0x7fc66f0506cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5854] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5854] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc66ef33000 [pid 5854] mprotect(0x7fc66ef34000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5854] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5854] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc66ef53990, parent_tid=0x7fc66ef53990, exit_signal=0, stack=0x7fc66ef33000, stack_size=0x20240, tls=0x7fc66ef536c0}./strace-static-x86_64: Process 5856 attached [pid 5856] rseq(0x7fc66ef53fe0, 0x20, 0, 0x53053053) = 0 [pid 5854] <... clone3 resumed> => {parent_tid=[5856]}, 88) = 5856 [pid 5856] set_robust_list(0x7fc66ef539a0, 24 [pid 5854] rt_sigprocmask(SIG_SETMASK, [], [pid 5856] <... set_robust_list resumed>) = 0 [pid 5856] rt_sigprocmask(SIG_SETMASK, [], [pid 5854] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5856] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5854] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_LARGEFILE|O_NOATIME|FASYNC|0x3c, 004 [pid 5854] <... futex resumed>) = 0 [pid 5854] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5856] <... open resumed>) = 5 [pid 5856] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] <... futex resumed>) = 0 [pid 5856] <... futex resumed>) = 1 [pid 5854] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_DIRECT|O_NOATIME|FASYNC, 000 [pid 5854] <... futex resumed>) = 0 [pid 5856] <... open resumed>) = 6 [pid 5854] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5856] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] <... futex resumed>) = 0 [pid 5856] <... futex resumed>) = 1 [pid 5854] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] memfd_create("syzkaller", 0 [pid 5854] <... futex resumed>) = 0 [pid 5854] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5856] <... memfd_create resumed>) = 7 [pid 5856] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc666a00000 [pid 5856] write(7, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\x81\x7c\xe1\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd4\xee\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 5856] munmap(0x7fc666a00000, 138412032) = 0 [pid 5856] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5856] close(7) = 0 [pid 5856] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5854] <... futex resumed>) = 0 [pid 5856] truncate(NULL, 9 [pid 5854] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... truncate resumed>) = -1 EFAULT (Bad address) [pid 5856] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] <... futex resumed>) = 0 [pid 5856] <... futex resumed>) = 0 [pid 5854] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5856] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5854] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... futex resumed>) = 0 [pid 5856] getdents64(-1, [pid 5854] <... futex resumed>) = 1 [pid 5856] <... getdents64 resumed>NULL, 0) = -1 EBADF (Bad file descriptor) [pid 5854] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5856] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5856] <... futex resumed>) = 0 [pid 5854] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] ftruncate(6, 33587202 [pid 5854] <... futex resumed>) = 0 [pid 5854] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5856] <... ftruncate resumed>) = 0 [pid 5856] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5856] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5854] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... futex resumed>) = 0 [pid 5854] <... futex resumed>) = 1 [pid 5856] mmap(0x200000000000, 6291456, PROT_WRITE|PROT_GROWSUP|0x8088e3ad102bc190, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5854] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5854] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5854] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc66ef12000 [pid 5854] mprotect(0x7fc66ef13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5854] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5854] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc66ef32990, parent_tid=0x7fc66ef32990, exit_signal=0, stack=0x7fc66ef12000, stack_size=0x20240, tls=0x7fc66ef326c0}./strace-static-x86_64: Process 5857 attached [pid 5857] rseq(0x7fc66ef32fe0, 0x20, 0, 0x53053053 [pid 5854] <... clone3 resumed> => {parent_tid=[5857]}, 88) = 5857 [pid 5857] <... rseq resumed>) = 0 [pid 5854] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5854] futex(0x7fc66f0506e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5854] futex(0x7fc66f0506ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5857] set_robust_list(0x7fc66ef329a0, 24) = 0 [pid 5857] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5857] memfd_create("syzkaller", 0) = 7 [pid 5857] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc666a00000 [pid 5857] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5857] munmap(0x7fc666a00000, 138412032) = 0 [pid 5857] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5857] close(7) = 0 [pid 5857] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5854] <... futex resumed>) = 0 [pid 5854] futex(0x7fc66f0506e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5854] futex(0x7fc66f0506ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5857] read(5, NULL, 0) = 0 [pid 5857] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5856] <... mmap resumed>) = 0x200000000000 [pid 5854] <... futex resumed>) = 0 [pid 5857] mkdir(0x200000000880, 0777 [pid 5854] futex(0x7fc66f0506e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] <... mkdir resumed>) = 0 [pid 5856] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] <... futex resumed>) = 0 [pid 5856] <... futex resumed>) = 0 [pid 5856] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5854] futex(0x7fc66f0506ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5857] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5857] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5854] <... futex resumed>) = 0 [pid 5854] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5857] futex(0x7fc66f0506e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5856] <... futex resumed>) = 0 [pid 5854] <... futex resumed>) = 1 [pid 5854] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5856] memfd_create("syzkaller", 0) = 7 [pid 5856] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc666a00000 [pid 5856] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5856] munmap(0x7fc666a00000, 138412032) = 0 [pid 5856] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5856] close(7) = 0 [pid 5856] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5856] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5854] <... futex resumed>) = 0 [pid 5854] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5856] <... futex resumed>) = 0 [pid 5856] write(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 5856] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5856] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5854] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5854] exit_group(0 [pid 5857] <... futex resumed>) = ? [pid 5856] <... futex resumed>) = ? [pid 5854] <... exit_group resumed>) = ? [pid 5857] +++ exited with 0 +++ [pid 5856] +++ exited with 0 +++ [pid 5855] <... preadv resumed> ) = ? [pid 5855] +++ exited with 0 +++ [pid 5854] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5854, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=120 /* 1.20 s */} --- umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x5555678a37f0 /* 4 entries */, 32768) = 352 umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./5/binderfs") = 0 umount2("./5/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./5/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./5/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./5/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./5/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x5555678ab830 /* 2 entries */, 32768) = 48 getdents64(4, 0x5555678ab830 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./5/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 getdents64(3, 0x5555678a37f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./5") = 0 mkdir("./6", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5858 attached [pid 5858] set_robust_list(0x5555678a2760, 24 [pid 5832] <... clone resumed>, child_tidptr=0x5555678a2750) = 5858 [pid 5858] <... set_robust_list resumed>) = 0 [pid 5858] chdir("./6") = 0 [pid 5858] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5858] setpgid(0, 0) = 0 [pid 5858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5858] write(3, "1000", 4) = 4 [pid 5858] close(3) = 0 [pid 5858] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5858] write(1, "executing program\n", 18) = 18 [pid 5858] futex(0x7fc66f0506cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5858] rt_sigaction(SIGRT_1, {sa_handler=0x7fc66eff1200, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fc66ef91990}, NULL, 8) = 0 [pid 5858] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5858] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc66ef54000 [pid 5858] mprotect(0x7fc66ef55000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5858] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5858] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc66ef74990, parent_tid=0x7fc66ef74990, exit_signal=0, stack=0x7fc66ef54000, stack_size=0x20240, tls=0x7fc66ef746c0}./strace-static-x86_64: Process 5859 attached [pid 5859] rseq(0x7fc66ef74fe0, 0x20, 0, 0x53053053 [pid 5858] <... clone3 resumed> => {parent_tid=[5859]}, 88) = 5859 [pid 5859] <... rseq resumed>) = 0 [pid 5858] rt_sigprocmask(SIG_SETMASK, [], [pid 5859] set_robust_list(0x7fc66ef749a0, 24 [pid 5858] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] <... set_robust_list resumed>) = 0 [pid 5858] futex(0x7fc66f0506c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5859] rt_sigprocmask(SIG_SETMASK, [], [pid 5858] futex(0x7fc66f0506cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] memfd_create("syzkaller", 0) = 3 [pid 5859] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc666a00000 [pid 5859] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5859] munmap(0x7fc666a00000, 138412032) = 0 [pid 5859] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5859] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5859] close(3) = 0 [pid 5859] close(4) = 0 [pid 5859] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [ 114.425782][ T5859] loop0: detected capacity change from 0 to 2048 [pid 5859] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "udf", MS_SYNCHRONOUS|MS_RELATIME|MS_I_VERSION, "iocharset=iso8859-1,nostrict,uid=forget,anchor=0000000000000145,gid=00000000000000000000,dmode=00000"...) = 0 [pid 5859] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5859] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5859] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5859] futex(0x7fc66f0506cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... futex resumed>) = 0 [pid 5859] <... futex resumed>) = 1 [pid 5858] futex(0x7fc66f0506c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] openat(AT_FDCWD, "/dev/hwrng", O_RDONLY [pid 5858] <... futex resumed>) = 0 [pid 5859] <... openat resumed>) = 4 [ 114.482340][ T5859] UDF-fs: INFO Mounting volume 'LiuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5858] futex(0x7fc66f0506cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] futex(0x7fc66f0506cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5858] <... futex resumed>) = 0 [pid 5859] preadv(4, [pid 5858] futex(0x7fc66f0506c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5858] futex(0x7fc66f0506cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5858] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5858] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc66ef33000 [pid 5858] mprotect(0x7fc66ef34000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5858] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5858] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc66ef53990, parent_tid=0x7fc66ef53990, exit_signal=0, stack=0x7fc66ef33000, stack_size=0x20240, tls=0x7fc66ef536c0}./strace-static-x86_64: Process 5860 attached [pid 5860] rseq(0x7fc66ef53fe0, 0x20, 0, 0x53053053) = 0 [pid 5858] <... clone3 resumed> => {parent_tid=[5860]}, 88) = 5860 [pid 5860] set_robust_list(0x7fc66ef539a0, 24) = 0 [pid 5860] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5860] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5858] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5858] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] <... futex resumed>) = 0 [pid 5860] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_LARGEFILE|O_NOATIME|FASYNC|0x3c, 004 [pid 5858] <... futex resumed>) = 1 [pid 5858] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5860] <... open resumed>) = 5 [pid 5860] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5858] <... futex resumed>) = 0 [pid 5860] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5858] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5860] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5858] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5860] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_DIRECT|O_NOATIME|FASYNC, 000) = 6 [pid 5860] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... futex resumed>) = 0 [pid 5860] <... futex resumed>) = 1 [pid 5860] memfd_create("syzkaller", 0 [pid 5858] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] <... memfd_create resumed>) = 7 [pid 5858] <... futex resumed>) = 0 [pid 5860] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5858] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5860] <... mmap resumed>) = 0x7fc666a00000 [pid 5860] write(7, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\x81\x7c\xe1\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd4\xee\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 5860] munmap(0x7fc666a00000, 138412032) = 0 [pid 5860] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5860] close(7) = 0 [pid 5860] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5858] <... futex resumed>) = 0 [pid 5860] truncate(NULL, 9 [pid 5858] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5860] <... truncate resumed>) = -1 EFAULT (Bad address) [pid 5860] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5860] <... futex resumed>) = 0 [pid 5858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5860] getdents64(-1, [pid 5858] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5860] <... getdents64 resumed>NULL, 0) = -1 EBADF (Bad file descriptor) [pid 5858] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5860] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5860] <... futex resumed>) = 0 [pid 5858] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] ftruncate(6, 33587202 [pid 5858] <... futex resumed>) = 0 [pid 5858] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5860] <... ftruncate resumed>) = 0 [pid 5860] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5858] <... futex resumed>) = 0 [pid 5860] mmap(0x200000000000, 6291456, PROT_WRITE|PROT_GROWSUP|0x8088e3ad102bc190, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5858] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5858] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5858] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5858] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc66ef12000 [pid 5858] mprotect(0x7fc66ef13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5858] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5858] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc66ef32990, parent_tid=0x7fc66ef32990, exit_signal=0, stack=0x7fc66ef12000, stack_size=0x20240, tls=0x7fc66ef326c0}./strace-static-x86_64: Process 5861 attached => {parent_tid=[5861]}, 88) = 5861 [pid 5858] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5858] futex(0x7fc66f0506e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] rseq(0x7fc66ef32fe0, 0x20, 0, 0x53053053 [pid 5858] <... futex resumed>) = 0 [pid 5861] <... rseq resumed>) = 0 [pid 5858] futex(0x7fc66f0506ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5861] set_robust_list(0x7fc66ef329a0, 24) = 0 [pid 5861] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5861] memfd_create("syzkaller", 0) = 7 [pid 5861] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc666a00000 [pid 5861] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5861] munmap(0x7fc666a00000, 138412032) = 0 [pid 5861] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5861] close(7 [pid 5860] <... mmap resumed>) = 0x200000000000 [pid 5861] <... close resumed>) = 0 [pid 5860] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] <... futex resumed>) = 0 [pid 5858] <... futex resumed>) = 0 [pid 5861] <... futex resumed>) = 1 [pid 5860] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5861] futex(0x7fc66f0506e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5860] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5858] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] read(5, [pid 5858] <... futex resumed>) = 0 [pid 5860] <... read resumed>NULL, 0) = 0 [pid 5858] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5860] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5860] <... futex resumed>) = 0 [pid 5858] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] mkdir(0x200000000880, 0777 [pid 5858] <... futex resumed>) = 0 [pid 5860] <... mkdir resumed>) = 0 [pid 5858] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5860] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5860] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5858] <... futex resumed>) = 0 [pid 5860] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5858] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5858] <... futex resumed>) = 0 [pid 5858] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5860] memfd_create("syzkaller", 0) = 7 [pid 5860] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc666a00000 [pid 5860] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5860] munmap(0x7fc666a00000, 138412032) = 0 [pid 5860] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5860] close(7) = 0 [pid 5860] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5858] <... futex resumed>) = 0 [pid 5860] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5858] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5858] <... futex resumed>) = 0 [pid 5860] write(-1, NULL, 0 [pid 5858] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5860] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5860] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5860] <... futex resumed>) = 0 [pid 5860] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5858] exit_group(0 [pid 5861] <... futex resumed>) = ? [pid 5860] <... futex resumed>) = ? [pid 5859] <... preadv resumed> ) = ? [pid 5858] <... exit_group resumed>) = ? [pid 5861] +++ exited with 0 +++ [pid 5860] +++ exited with 0 +++ [pid 5859] +++ exited with 0 +++ [pid 5858] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5858, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=130 /* 1.30 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x5555678a37f0 /* 4 entries */, 32768) = 352 umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./6/binderfs") = 0 umount2("./6/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./6/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./6/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./6/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./6/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x5555678ab830 /* 2 entries */, 32768) = 48 getdents64(4, 0x5555678ab830 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./6/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 getdents64(3, 0x5555678a37f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./6") = 0 mkdir("./7", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5862 attached [pid 5862] set_robust_list(0x5555678a2760, 24 [pid 5832] <... clone resumed>, child_tidptr=0x5555678a2750) = 5862 [pid 5862] <... set_robust_list resumed>) = 0 [pid 5862] chdir("./7") = 0 [pid 5862] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5862] setpgid(0, 0) = 0 [pid 5862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5862] write(3, "1000", 4) = 4 [pid 5862] close(3) = 0 [pid 5862] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5862] write(1, "executing program\n", 18executing program ) = 18 [pid 5862] futex(0x7fc66f0506cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5862] rt_sigaction(SIGRT_1, {sa_handler=0x7fc66eff1200, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fc66ef91990}, NULL, 8) = 0 [pid 5862] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5862] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc66ef54000 [pid 5862] mprotect(0x7fc66ef55000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5862] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5862] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc66ef74990, parent_tid=0x7fc66ef74990, exit_signal=0, stack=0x7fc66ef54000, stack_size=0x20240, tls=0x7fc66ef746c0}./strace-static-x86_64: Process 5863 attached [pid 5863] rseq(0x7fc66ef74fe0, 0x20, 0, 0x53053053 [pid 5862] <... clone3 resumed> => {parent_tid=[5863]}, 88) = 5863 [pid 5863] <... rseq resumed>) = 0 [pid 5862] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] set_robust_list(0x7fc66ef749a0, 24) = 0 [pid 5862] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5862] futex(0x7fc66f0506c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5862] futex(0x7fc66f0506cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5863] memfd_create("syzkaller", 0) = 3 [pid 5863] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc666a00000 [pid 5863] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5863] munmap(0x7fc666a00000, 138412032) = 0 [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5863] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5863] close(3) = 0 [pid 5863] close(4) = 0 [pid 5863] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [ 116.267038][ T5863] loop0: detected capacity change from 0 to 2048 [pid 5863] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "udf", MS_SYNCHRONOUS|MS_RELATIME|MS_I_VERSION, "iocharset=iso8859-1,nostrict,uid=forget,anchor=0000000000000145,gid=00000000000000000000,dmode=00000"...) = 0 [pid 5863] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5863] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5863] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5863] futex(0x7fc66f0506cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5862] <... futex resumed>) = 0 [pid 5863] futex(0x7fc66f0506c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5862] futex(0x7fc66f0506c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5862] <... futex resumed>) = 0 [pid 5863] openat(AT_FDCWD, "/dev/hwrng", O_RDONLY [pid 5862] futex(0x7fc66f0506cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5863] <... openat resumed>) = 4 [pid 5863] futex(0x7fc66f0506cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5862] <... futex resumed>) = 0 [pid 5863] futex(0x7fc66f0506c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5862] futex(0x7fc66f0506c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5862] <... futex resumed>) = 0 [pid 5863] preadv(4, [ 116.324975][ T5863] UDF-fs: INFO Mounting volume 'LiuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5862] futex(0x7fc66f0506cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5862] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5862] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc66ef33000 [pid 5862] mprotect(0x7fc66ef34000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5862] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5862] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc66ef53990, parent_tid=0x7fc66ef53990, exit_signal=0, stack=0x7fc66ef33000, stack_size=0x20240, tls=0x7fc66ef536c0}./strace-static-x86_64: Process 5864 attached => {parent_tid=[5864]}, 88) = 5864 [pid 5864] rseq(0x7fc66ef53fe0, 0x20, 0, 0x53053053 [pid 5862] rt_sigprocmask(SIG_SETMASK, [], [pid 5864] <... rseq resumed>) = 0 [pid 5864] set_robust_list(0x7fc66ef539a0, 24 [pid 5862] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5864] <... set_robust_list resumed>) = 0 [pid 5862] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] rt_sigprocmask(SIG_SETMASK, [], [pid 5862] <... futex resumed>) = 0 [pid 5864] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5862] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_LARGEFILE|O_NOATIME|FASYNC|0x3c, 004) = 5 [pid 5864] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5862] <... futex resumed>) = 0 [pid 5862] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_DIRECT|O_NOATIME|FASYNC, 000 [pid 5862] <... futex resumed>) = 0 [pid 5864] <... open resumed>) = 6 [pid 5862] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5862] <... futex resumed>) = 0 [pid 5864] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5862] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5864] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5862] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5864] memfd_create("syzkaller", 0) = 7 [pid 5864] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc666a00000 [pid 5864] write(7, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\x81\x7c\xe1\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd4\xee\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 5864] munmap(0x7fc666a00000, 138412032) = 0 [pid 5864] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5864] close(7) = 0 [pid 5864] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5862] <... futex resumed>) = 0 [pid 5864] truncate(NULL, 9 [pid 5862] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... truncate resumed>) = -1 EFAULT (Bad address) [pid 5862] <... futex resumed>) = 0 [pid 5864] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5862] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... futex resumed>) = 0 [pid 5862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5864] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5862] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5862] <... futex resumed>) = 0 [pid 5864] getdents64(-1, [pid 5862] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... getdents64 resumed>NULL, 0) = -1 EBADF (Bad file descriptor) [pid 5864] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5862] <... futex resumed>) = 0 [pid 5862] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] ftruncate(6, 33587202 [pid 5862] <... futex resumed>) = 0 [pid 5862] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... ftruncate resumed>) = 0 [pid 5864] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5862] <... futex resumed>) = 0 [pid 5862] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] mmap(0x200000000000, 6291456, PROT_WRITE|PROT_GROWSUP|0x8088e3ad102bc190, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5862] <... futex resumed>) = 0 [pid 5862] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5862] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5862] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc66ef12000 [pid 5862] mprotect(0x7fc66ef13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5862] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5862] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc66ef32990, parent_tid=0x7fc66ef32990, exit_signal=0, stack=0x7fc66ef12000, stack_size=0x20240, tls=0x7fc66ef326c0}./strace-static-x86_64: Process 5865 attached [pid 5865] rseq(0x7fc66ef32fe0, 0x20, 0, 0x53053053) = 0 [pid 5862] <... clone3 resumed> => {parent_tid=[5865]}, 88) = 5865 [pid 5865] set_robust_list(0x7fc66ef329a0, 24 [pid 5862] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5865] <... set_robust_list resumed>) = 0 [pid 5865] rt_sigprocmask(SIG_SETMASK, [], [pid 5862] futex(0x7fc66f0506e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5862] <... futex resumed>) = 0 [pid 5862] futex(0x7fc66f0506ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5865] memfd_create("syzkaller", 0) = 7 [pid 5865] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc666a00000 [pid 5865] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5865] munmap(0x7fc666a00000, 138412032) = 0 [pid 5865] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5865] close(7) = 0 [pid 5865] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5862] <... futex resumed>) = 0 [pid 5865] <... futex resumed>) = 1 [pid 5862] futex(0x7fc66f0506e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] read(5, [pid 5862] <... futex resumed>) = 0 [pid 5865] <... read resumed>NULL, 0) = 0 [pid 5862] futex(0x7fc66f0506ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5865] <... futex resumed>) = 0 [pid 5865] futex(0x7fc66f0506e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5862] futex(0x7fc66f0506e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5862] <... futex resumed>) = 0 [pid 5865] mkdir(0x200000000880, 0777 [pid 5862] futex(0x7fc66f0506ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] <... mkdir resumed>) = 0 [pid 5865] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5865] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5865] futex(0x7fc66f0506e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5862] <... futex resumed>) = 0 [pid 5862] futex(0x7fc66f0506e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5862] futex(0x7fc66f0506ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5865] <... futex resumed>) = 0 [pid 5865] memfd_create("syzkaller", 0) = 7 [pid 5865] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc666a00000 [pid 5864] <... mmap resumed>) = 0x200000000000 [pid 5864] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5864] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5865] munmap(0x7fc666a00000, 138412032) = 0 [pid 5865] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5865] close(7) = 0 [pid 5865] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5862] <... futex resumed>) = 0 [pid 5865] futex(0x7fc66f0506e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5862] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... futex resumed>) = 0 [pid 5862] <... futex resumed>) = 1 [pid 5864] write(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 5862] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5864] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5862] exit_group(0 [pid 5865] <... futex resumed>) = ? [pid 5864] <... futex resumed>) = ? [pid 5862] <... exit_group resumed>) = ? [pid 5865] +++ exited with 0 +++ [pid 5864] +++ exited with 0 +++ [pid 5863] <... preadv resumed> ) = ? [pid 5863] +++ exited with 0 +++ [pid 5862] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5862, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=115 /* 1.15 s */} --- umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x5555678a37f0 /* 4 entries */, 32768) = 352 umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./7/binderfs") = 0 umount2("./7/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./7/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./7/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./7/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./7/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x5555678ab830 /* 2 entries */, 32768) = 48 getdents64(4, 0x5555678ab830 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./7/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 getdents64(3, 0x5555678a37f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./7") = 0 mkdir("./8", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5866 attached , child_tidptr=0x5555678a2750) = 5866 [pid 5866] set_robust_list(0x5555678a2760, 24) = 0 [pid 5866] chdir("./8") = 0 [pid 5866] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5866] setpgid(0, 0) = 0 [pid 5866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5866] write(3, "1000", 4) = 4 [pid 5866] close(3) = 0 [pid 5866] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5866] write(1, "executing program\n", 18executing program ) = 18 [pid 5866] futex(0x7fc66f0506cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5866] rt_sigaction(SIGRT_1, {sa_handler=0x7fc66eff1200, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fc66ef91990}, NULL, 8) = 0 [pid 5866] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5866] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc66ef54000 [pid 5866] mprotect(0x7fc66ef55000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5866] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5866] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc66ef74990, parent_tid=0x7fc66ef74990, exit_signal=0, stack=0x7fc66ef54000, stack_size=0x20240, tls=0x7fc66ef746c0}./strace-static-x86_64: Process 5867 attached => {parent_tid=[5867]}, 88) = 5867 [pid 5867] rseq(0x7fc66ef74fe0, 0x20, 0, 0x53053053 [pid 5866] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] <... rseq resumed>) = 0 [pid 5866] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] set_robust_list(0x7fc66ef749a0, 24 [pid 5866] futex(0x7fc66f0506c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... set_robust_list resumed>) = 0 [pid 5866] <... futex resumed>) = 0 [pid 5867] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] futex(0x7fc66f0506cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5867] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] memfd_create("syzkaller", 0) = 3 [pid 5867] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc666a00000 [pid 5867] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5867] munmap(0x7fc666a00000, 138412032) = 0 [pid 5867] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5867] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5867] close(3) = 0 [pid 5867] close(4) = 0 [pid 5867] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5867] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "udf", MS_SYNCHRONOUS|MS_RELATIME|MS_I_VERSION, "iocharset=iso8859-1,nostrict,uid=forget,anchor=0000000000000145,gid=00000000000000000000,dmode=00000"...) = 0 [pid 5867] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5867] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5867] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5867] futex(0x7fc66f0506cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5866] <... futex resumed>) = 0 [pid 5866] futex(0x7fc66f0506c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] openat(AT_FDCWD, "/dev/hwrng", O_RDONLY [pid 5866] <... futex resumed>) = 0 [pid 5867] <... openat resumed>) = 4 [pid 5866] futex(0x7fc66f0506cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 117.833859][ T5867] loop0: detected capacity change from 0 to 2048 [ 117.866160][ T5867] UDF-fs: INFO Mounting volume 'LiuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5867] futex(0x7fc66f0506cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5866] <... futex resumed>) = 0 [pid 5866] futex(0x7fc66f0506c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] preadv(4, [pid 5866] <... futex resumed>) = 0 [pid 5866] futex(0x7fc66f0506cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5866] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5866] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc66ef33000 [pid 5866] mprotect(0x7fc66ef34000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5866] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5866] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc66ef53990, parent_tid=0x7fc66ef53990, exit_signal=0, stack=0x7fc66ef33000, stack_size=0x20240, tls=0x7fc66ef536c0}./strace-static-x86_64: Process 5868 attached [pid 5868] rseq(0x7fc66ef53fe0, 0x20, 0, 0x53053053) = 0 [pid 5866] <... clone3 resumed> => {parent_tid=[5868]}, 88) = 5868 [pid 5868] set_robust_list(0x7fc66ef539a0, 24) = 0 [pid 5866] rt_sigprocmask(SIG_SETMASK, [], [pid 5868] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] <... futex resumed>) = 0 [pid 5868] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_LARGEFILE|O_NOATIME|FASYNC|0x3c, 004 [pid 5866] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5868] <... open resumed>) = 5 [pid 5868] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5866] <... futex resumed>) = 0 [pid 5868] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_DIRECT|O_NOATIME|FASYNC, 000 [pid 5866] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] <... open resumed>) = 6 [pid 5866] <... futex resumed>) = 0 [pid 5866] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5868] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] <... futex resumed>) = 0 [pid 5866] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5868] <... futex resumed>) = 1 [pid 5866] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5868] memfd_create("syzkaller", 0) = 7 [pid 5868] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc666a00000 [pid 5868] write(7, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\x81\x7c\xe1\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd4\xee\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 5868] munmap(0x7fc666a00000, 138412032) = 0 [pid 5868] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5868] close(7) = 0 [pid 5868] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5866] <... futex resumed>) = 0 [pid 5866] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] truncate(NULL, 9 [pid 5866] <... futex resumed>) = 0 [pid 5866] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5868] <... truncate resumed>) = -1 EFAULT (Bad address) [pid 5868] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5866] <... futex resumed>) = 0 [pid 5868] getdents64(-1, [pid 5866] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] <... getdents64 resumed>NULL, 0) = -1 EBADF (Bad file descriptor) [pid 5866] <... futex resumed>) = 0 [pid 5868] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5868] <... futex resumed>) = 0 [pid 5866] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5868] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5868] ftruncate(6, 33587202 [pid 5866] <... futex resumed>) = 0 [pid 5866] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5868] <... ftruncate resumed>) = 0 [pid 5868] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5866] <... futex resumed>) = 0 [pid 5866] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5868] mmap(0x200000000000, 6291456, PROT_WRITE|PROT_GROWSUP|0x8088e3ad102bc190, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5866] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5866] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5866] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc66ef12000 [pid 5866] mprotect(0x7fc66ef13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5866] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5866] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc66ef32990, parent_tid=0x7fc66ef32990, exit_signal=0, stack=0x7fc66ef12000, stack_size=0x20240, tls=0x7fc66ef326c0} => {parent_tid=[5869]}, 88) = 5869 [pid 5866] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ./strace-static-x86_64: Process 5869 attached [pid 5866] futex(0x7fc66f0506e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5866] futex(0x7fc66f0506ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5869] rseq(0x7fc66ef32fe0, 0x20, 0, 0x53053053) = 0 [pid 5869] set_robust_list(0x7fc66ef329a0, 24) = 0 [pid 5869] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5869] memfd_create("syzkaller", 0) = 7 [pid 5869] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc666a00000 [pid 5869] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5869] munmap(0x7fc666a00000, 138412032) = 0 [pid 5869] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5869] close(7) = 0 [pid 5869] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5869] futex(0x7fc66f0506e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] <... futex resumed>) = 0 [pid 5866] futex(0x7fc66f0506e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5866] futex(0x7fc66f0506ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5869] <... futex resumed>) = 0 [pid 5869] read(5, NULL, 0) = 0 [pid 5869] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5866] <... futex resumed>) = 0 [pid 5869] futex(0x7fc66f0506e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] futex(0x7fc66f0506e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5866] <... futex resumed>) = 0 [pid 5869] mkdir(0x200000000880, 0777 [pid 5866] futex(0x7fc66f0506ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5869] <... mkdir resumed>) = 0 [pid 5869] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5869] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5866] <... futex resumed>) = 0 [pid 5869] futex(0x7fc66f0506e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] futex(0x7fc66f0506e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5866] futex(0x7fc66f0506ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5869] <... futex resumed>) = 0 [pid 5869] memfd_create("syzkaller", 0) = 7 [pid 5869] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc666a00000 [pid 5868] <... mmap resumed>) = 0x200000000000 [pid 5868] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5868] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5869] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5869] munmap(0x7fc666a00000, 138412032) = 0 [pid 5869] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5869] close(7) = 0 [pid 5869] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5866] <... futex resumed>) = 0 [pid 5869] futex(0x7fc66f0506e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5868] <... futex resumed>) = 0 [pid 5868] write(-1, NULL, 0 [pid 5866] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5868] <... write resumed>) = -1 EBADF (Bad file descriptor) [pid 5868] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5866] <... futex resumed>) = 0 [pid 5868] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5866] exit_group(0 [pid 5869] <... futex resumed>) = ? [pid 5866] <... exit_group resumed>) = ? [pid 5869] +++ exited with 0 +++ [pid 5868] <... futex resumed>) = ? [pid 5867] <... preadv resumed> ) = ? [pid 5868] +++ exited with 0 +++ [pid 5867] +++ exited with 0 +++ [pid 5866] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5866, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=117 /* 1.17 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x5555678a37f0 /* 4 entries */, 32768) = 352 umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./8/binderfs") = 0 umount2("./8/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./8/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./8/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./8/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./8/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x5555678ab830 /* 2 entries */, 32768) = 48 getdents64(4, 0x5555678ab830 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./8/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 getdents64(3, 0x5555678a37f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./8") = 0 mkdir("./9", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5870 attached [pid 5870] set_robust_list(0x5555678a2760, 24) = 0 [pid 5870] chdir("./9" [pid 5832] <... clone resumed>, child_tidptr=0x5555678a2750) = 5870 [pid 5870] <... chdir resumed>) = 0 [pid 5870] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5870] setpgid(0, 0) = 0 [pid 5870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5870] write(3, "1000", 4) = 4 [pid 5870] close(3) = 0 [pid 5870] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5870] write(1, "executing program\n", 18) = 18 [pid 5870] futex(0x7fc66f0506cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5870] rt_sigaction(SIGRT_1, {sa_handler=0x7fc66eff1200, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fc66ef91990}, NULL, 8) = 0 [pid 5870] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5870] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc66ef54000 [pid 5870] mprotect(0x7fc66ef55000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5870] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5870] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc66ef74990, parent_tid=0x7fc66ef74990, exit_signal=0, stack=0x7fc66ef54000, stack_size=0x20240, tls=0x7fc66ef746c0}./strace-static-x86_64: Process 5871 attached [pid 5871] rseq(0x7fc66ef74fe0, 0x20, 0, 0x53053053 [pid 5870] <... clone3 resumed> => {parent_tid=[5871]}, 88) = 5871 [pid 5871] <... rseq resumed>) = 0 [pid 5870] rt_sigprocmask(SIG_SETMASK, [], [pid 5871] set_robust_list(0x7fc66ef749a0, 24 [pid 5870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5871] <... set_robust_list resumed>) = 0 [pid 5870] futex(0x7fc66f0506c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5871] rt_sigprocmask(SIG_SETMASK, [], [pid 5870] <... futex resumed>) = 0 [pid 5871] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5871] memfd_create("syzkaller", 0 [pid 5870] futex(0x7fc66f0506cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5871] <... memfd_create resumed>) = 3 [pid 5871] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc666a00000 [pid 5871] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5871] munmap(0x7fc666a00000, 138412032) = 0 [pid 5871] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5871] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5871] close(3) = 0 [pid 5871] close(4) = 0 [pid 5871] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5871] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "udf", MS_SYNCHRONOUS|MS_RELATIME|MS_I_VERSION, "iocharset=iso8859-1,nostrict,uid=forget,anchor=0000000000000145,gid=00000000000000000000,dmode=00000"...) = 0 [pid 5871] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5871] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [ 119.447631][ T5871] loop0: detected capacity change from 0 to 2048 [ 119.476543][ T5871] UDF-fs: INFO Mounting volume 'LiuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5871] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5871] futex(0x7fc66f0506cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5871] futex(0x7fc66f0506c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5870] <... futex resumed>) = 0 [pid 5870] futex(0x7fc66f0506c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5870] futex(0x7fc66f0506cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5871] <... futex resumed>) = 0 [pid 5871] openat(AT_FDCWD, "/dev/hwrng", O_RDONLY) = 4 [pid 5871] futex(0x7fc66f0506cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5871] futex(0x7fc66f0506c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5870] <... futex resumed>) = 0 [pid 5870] futex(0x7fc66f0506c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5871] <... futex resumed>) = 0 [pid 5870] <... futex resumed>) = 1 [pid 5871] preadv(4, [pid 5870] futex(0x7fc66f0506cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5870] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5870] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc66ef33000 [pid 5870] mprotect(0x7fc66ef34000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5870] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5870] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc66ef53990, parent_tid=0x7fc66ef53990, exit_signal=0, stack=0x7fc66ef33000, stack_size=0x20240, tls=0x7fc66ef536c0}./strace-static-x86_64: Process 5872 attached [pid 5872] rseq(0x7fc66ef53fe0, 0x20, 0, 0x53053053 [pid 5870] <... clone3 resumed> => {parent_tid=[5872]}, 88) = 5872 [pid 5872] <... rseq resumed>) = 0 [pid 5870] rt_sigprocmask(SIG_SETMASK, [], [pid 5872] set_robust_list(0x7fc66ef539a0, 24) = 0 [pid 5870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5872] rt_sigprocmask(SIG_SETMASK, [], [pid 5870] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5872] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5870] <... futex resumed>) = 0 [pid 5872] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_LARGEFILE|O_NOATIME|FASYNC|0x3c, 004 [pid 5870] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5872] <... open resumed>) = 5 [pid 5872] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5870] <... futex resumed>) = 0 [pid 5870] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5872] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_DIRECT|O_NOATIME|FASYNC, 000 [pid 5870] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5872] <... open resumed>) = 6 [pid 5872] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] <... futex resumed>) = 0 [pid 5870] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5870] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5872] <... futex resumed>) = 1 [pid 5872] memfd_create("syzkaller", 0) = 7 [pid 5872] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc666a00000 [pid 5872] write(7, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\x81\x7c\xe1\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd4\xee\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 5872] munmap(0x7fc666a00000, 138412032) = 0 [pid 5872] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5872] close(7) = 0 [pid 5872] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5870] <... futex resumed>) = 0 [pid 5870] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5872] truncate(NULL, 9 [pid 5870] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5872] <... truncate resumed>) = -1 EFAULT (Bad address) [pid 5872] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5870] <... futex resumed>) = 0 [pid 5870] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5872] getdents64(-1, [pid 5870] <... futex resumed>) = 0 [pid 5872] <... getdents64 resumed>NULL, 0) = -1 EBADF (Bad file descriptor) [pid 5870] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5872] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5870] <... futex resumed>) = 0 [pid 5872] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5870] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5870] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5872] ftruncate(6, 33587202) = 0 [pid 5872] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] <... futex resumed>) = 0 [pid 5870] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5872] <... futex resumed>) = 1 [pid 5870] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5872] mmap(0x200000000000, 6291456, PROT_WRITE|PROT_GROWSUP|0x8088e3ad102bc190, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5870] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5870] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5870] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc66ef12000 [pid 5870] mprotect(0x7fc66ef13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5870] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5870] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc66ef32990, parent_tid=0x7fc66ef32990, exit_signal=0, stack=0x7fc66ef12000, stack_size=0x20240, tls=0x7fc66ef326c0}./strace-static-x86_64: Process 5873 attached [pid 5873] rseq(0x7fc66ef32fe0, 0x20, 0, 0x53053053) = 0 [pid 5873] set_robust_list(0x7fc66ef329a0, 24 [pid 5870] <... clone3 resumed> => {parent_tid=[5873]}, 88) = 5873 [pid 5873] <... set_robust_list resumed>) = 0 [pid 5870] rt_sigprocmask(SIG_SETMASK, [], [pid 5873] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5870] futex(0x7fc66f0506e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5870] futex(0x7fc66f0506ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5873] memfd_create("syzkaller", 0) = 7 [pid 5873] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc666a00000 [pid 5873] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5873] munmap(0x7fc666a00000, 138412032) = 0 [pid 5873] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5873] close(7) = 0 [pid 5873] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5870] <... futex resumed>) = 0 [pid 5873] futex(0x7fc66f0506e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5870] futex(0x7fc66f0506e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5870] futex(0x7fc66f0506ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5873] read(5, NULL, 0) = 0 [pid 5873] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5870] <... futex resumed>) = 0 [pid 5870] futex(0x7fc66f0506e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5873] mkdir(0x200000000880, 0777 [pid 5870] futex(0x7fc66f0506ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5873] <... mkdir resumed>) = 0 [pid 5873] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5873] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5870] <... futex resumed>) = 0 [pid 5873] futex(0x7fc66f0506e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5870] futex(0x7fc66f0506e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5870] <... futex resumed>) = 0 [pid 5870] futex(0x7fc66f0506ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5873] memfd_create("syzkaller", 0) = 7 [pid 5873] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc666a00000 [pid 5872] <... mmap resumed>) = 0x200000000000 [pid 5872] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5872] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5873] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5873] munmap(0x7fc666a00000, 138412032) = 0 [pid 5873] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5873] close(7) = 0 [pid 5873] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5870] <... futex resumed>) = 0 [pid 5873] futex(0x7fc66f0506e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5870] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5872] <... futex resumed>) = 0 [pid 5870] <... futex resumed>) = 1 [pid 5872] write(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 5870] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5872] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5872] <... futex resumed>) = 0 [pid 5872] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5870] exit_group(0 [pid 5873] <... futex resumed>) = ? [pid 5872] <... futex resumed>) = ? [pid 5870] <... exit_group resumed>) = ? [pid 5873] +++ exited with 0 +++ [pid 5872] +++ exited with 0 +++ [pid 5871] <... preadv resumed> ) = ? [pid 5871] +++ exited with 0 +++ [pid 5870] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5870, si_uid=0, si_status=0, si_utime=8 /* 0.08 s */, si_stime=146 /* 1.46 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x5555678a37f0 /* 4 entries */, 32768) = 352 umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./9/binderfs") = 0 umount2("./9/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 umount2("./9/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./9/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./9/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./9/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(4, 0x5555678ab830 /* 2 entries */, 32768) = 48 getdents64(4, 0x5555678ab830 /* 0 entries */, 32768) = 0 close(4) = 0 rmdir("./9/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 getdents64(3, 0x5555678a37f0 /* 0 entries */, 32768) = 0 close(3) = 0 rmdir("./9") = 0 mkdir("./10", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5874 attached , child_tidptr=0x5555678a2750) = 5874 [pid 5874] set_robust_list(0x5555678a2760, 24) = 0 [pid 5874] chdir("./10") = 0 [pid 5874] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5874] setpgid(0, 0) = 0 [pid 5874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5874] write(3, "1000", 4) = 4 [pid 5874] close(3) = 0 [pid 5874] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5874] write(1, "executing program\n", 18) = 18 [pid 5874] futex(0x7fc66f0506cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5874] rt_sigaction(SIGRT_1, {sa_handler=0x7fc66eff1200, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fc66ef91990}, NULL, 8) = 0 [pid 5874] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5874] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc66ef54000 [pid 5874] mprotect(0x7fc66ef55000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5874] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5874] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc66ef74990, parent_tid=0x7fc66ef74990, exit_signal=0, stack=0x7fc66ef54000, stack_size=0x20240, tls=0x7fc66ef746c0}./strace-static-x86_64: Process 5875 attached [pid 5875] rseq(0x7fc66ef74fe0, 0x20, 0, 0x53053053) = 0 [pid 5875] set_robust_list(0x7fc66ef749a0, 24) = 0 [pid 5874] <... clone3 resumed> => {parent_tid=[5875]}, 88) = 5875 [pid 5875] rt_sigprocmask(SIG_SETMASK, [], [pid 5874] rt_sigprocmask(SIG_SETMASK, [], [pid 5875] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5874] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5875] futex(0x7fc66f0506c8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5874] futex(0x7fc66f0506c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5875] memfd_create("syzkaller", 0 [pid 5874] <... futex resumed>) = 0 [pid 5874] futex(0x7fc66f0506cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5875] <... memfd_create resumed>) = 3 [pid 5875] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc666a00000 [pid 5875] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5875] munmap(0x7fc666a00000, 138412032) = 0 [pid 5875] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5875] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5875] close(3) = 0 [pid 5875] close(4) = 0 [pid 5875] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [ 121.544356][ T5875] loop0: detected capacity change from 0 to 2048 [pid 5875] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "udf", MS_SYNCHRONOUS|MS_RELATIME|MS_I_VERSION, "iocharset=iso8859-1,nostrict,uid=forget,anchor=0000000000000145,gid=00000000000000000000,dmode=00000"...) = 0 [pid 5875] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5875] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5875] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5875] futex(0x7fc66f0506cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5874] <... futex resumed>) = 0 [pid 5875] openat(AT_FDCWD, "/dev/hwrng", O_RDONLY [pid 5874] futex(0x7fc66f0506c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5875] <... openat resumed>) = 4 [pid 5874] <... futex resumed>) = 0 [pid 5874] futex(0x7fc66f0506cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5875] futex(0x7fc66f0506cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5875] futex(0x7fc66f0506c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5874] futex(0x7fc66f0506c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5874] <... futex resumed>) = 0 [pid 5875] preadv(4, [ 121.595954][ T5875] UDF-fs: INFO Mounting volume 'LiuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5874] futex(0x7fc66f0506cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5874] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5874] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc66ef33000 [pid 5874] mprotect(0x7fc66ef34000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5874] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5874] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc66ef53990, parent_tid=0x7fc66ef53990, exit_signal=0, stack=0x7fc66ef33000, stack_size=0x20240, tls=0x7fc66ef536c0}./strace-static-x86_64: Process 5876 attached => {parent_tid=[5876]}, 88) = 5876 [pid 5876] rseq(0x7fc66ef53fe0, 0x20, 0, 0x53053053 [pid 5874] rt_sigprocmask(SIG_SETMASK, [], [pid 5876] <... rseq resumed>) = 0 [pid 5874] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5876] set_robust_list(0x7fc66ef539a0, 24 [pid 5874] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] <... set_robust_list resumed>) = 0 [pid 5874] <... futex resumed>) = 0 [pid 5876] rt_sigprocmask(SIG_SETMASK, [], [pid 5874] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5876] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5876] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_LARGEFILE|O_NOATIME|FASYNC|0x3c, 004) = 5 [pid 5876] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5874] <... futex resumed>) = 0 [pid 5876] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5874] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_DIRECT|O_NOATIME|FASYNC, 000 [pid 5874] <... futex resumed>) = 0 [pid 5876] <... open resumed>) = 6 [pid 5874] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5876] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5874] <... futex resumed>) = 0 [pid 5876] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5874] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5874] <... futex resumed>) = 0 [pid 5874] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5876] memfd_create("syzkaller", 0) = 7 [pid 5876] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc666a00000 [pid 5876] write(7, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\x81\x7c\xe1\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd4\xee\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 5876] munmap(0x7fc666a00000, 138412032) = 0 [pid 5876] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5876] close(7) = 0 [pid 5876] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5874] <... futex resumed>) = 0 [pid 5876] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5874] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5874] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5876] truncate(NULL, 9) = -1 EFAULT (Bad address) [pid 5876] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5874] <... futex resumed>) = 0 [pid 5874] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] getdents64(-1, [pid 5874] <... futex resumed>) = 0 [pid 5876] <... getdents64 resumed>NULL, 0) = -1 EBADF (Bad file descriptor) [pid 5876] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5876] <... futex resumed>) = 0 [pid 5874] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5876] futex(0x7fc66f0506d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5874] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5874] <... futex resumed>) = 0 [pid 5876] ftruncate(6, 33587202 [pid 5874] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5876] <... ftruncate resumed>) = 0 [pid 5876] futex(0x7fc66f0506dc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] <... futex resumed>) = 0 [pid 5874] futex(0x7fc66f0506d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5876] <... futex resumed>) = 1 [pid 5874] futex(0x7fc66f0506dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5876] mmap(0x200000000000, 6291456, PROT_WRITE|PROT_GROWSUP|0x8088e3ad102bc190, MAP_SHARED|MAP_FIXED|MAP_LOCKED|1< [pid 5874] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5874] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5874] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc66ef12000 [pid 5874] mprotect(0x7fc66ef13000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5874] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5874] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc66ef32990, parent_tid=0x7fc66ef32990, exit_signal=0, stack=0x7fc66ef12000, stack_size=0x20240, tls=0x7fc66ef326c0}./strace-static-x86_64: Process 5877 attached [pid 5877] rseq(0x7fc66ef32fe0, 0x20, 0, 0x53053053 [pid 5874] <... clone3 resumed> => {parent_tid=[5877]}, 88) = 5877 [pid 5877] <... rseq resumed>) = 0 [pid 5874] rt_sigprocmask(SIG_SETMASK, [], [pid 5877] set_robust_list(0x7fc66ef329a0, 24) = 0 [pid 5877] rt_sigprocmask(SIG_SETMASK, [], [pid 5874] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5877] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5874] futex(0x7fc66f0506e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5874] futex(0x7fc66f0506ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5877] memfd_create("syzkaller", 0) = 7 [pid 5877] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc666a00000 [pid 5877] write(7, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576 [pid 5877] munmap(0x7fc666a00000, 138412032) = 0 [pid 5877] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5877] close(7) = 0 [pid 5877] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5877] futex(0x7fc66f0506e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5874] <... futex resumed>) = 0 [pid 5874] futex(0x7fc66f0506e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] <... futex resumed>) = 0 [pid 5874] <... futex resumed>) = 1 [pid 5877] read(5, NULL, 0) = 0 [pid 5874] futex(0x7fc66f0506ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5877] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5874] <... futex resumed>) = 0 [pid 5877] futex(0x7fc66f0506e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5874] futex(0x7fc66f0506e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5874] <... futex resumed>) = 0 [pid 5874] futex(0x7fc66f0506ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5877] mkdir(0x200000000880, 0777) = 0 [pid 5877] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5877] futex(0x7fc66f0506ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5874] <... futex resumed>) = 0 [pid 5874] futex(0x7fc66f0506e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 121.978781][ T5877] ------------[ cut here ]------------ [ 121.984450][ T5877] WARNING: CPU: 1 PID: 5877 at fs/udf/inode.c:2081 __udf_add_aext+0x555/0x700 [ 121.993356][ T5877] Modules linked in: [ 121.997425][ T5877] CPU: 1 UID: 0 PID: 5877 Comm: syz-executor210 Not tainted 6.15.0-rc3-syzkaller-00008-ga33b5a08cbbd #0 PREEMPT(full) [ 122.009920][ T5877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 122.020042][ T5877] RIP: 0010:__udf_add_aext+0x555/0x700 [ 122.025570][ T5877] Code: 17 d7 fe 49 8b 3c 24 4c 89 fe e8 a6 d3 fb fe 31 c0 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 ec 6e 6f fe 90 <0f> 0b 90 e9 e7 fb ff ff e8 de 6e 6f fe 90 0f 0b 90 e9 54 fc ff ff [ 122.045246][ T5877] RSP: 0000:ffffc9000407ee18 EFLAGS: 00010293 [ 122.051471][ T5877] RAX: ffffffff83534d74 RBX: 1ffff9200080fe0f RCX: ffff88803023bc00 [ 122.059556][ T5877] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000 [ 122.067598][ T5877] RBP: 0000000000000000 R08: ffffffff83534956 R09: ffffffff83534886 [ 122.075650][ T5877] R10: 0000000000000002 R11: ffff88803023bc00 R12: ffffc9000407f070 [ 122.083664][ T5877] R13: 0000000000000004 R14: dffffc0000000000 R15: ffffc9000407f078 [ 122.091715][ T5877] FS: 00007fc66ef326c0(0000) GS:ffff8881250cf000(0000) knlGS:0000000000000000 [ 122.100716][ T5877] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 122.107373][ T5877] CR2: 0000200000007000 CR3: 00000000236dc000 CR4: 00000000003526f0 [ 122.115399][ T5877] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 122.123393][ T5877] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 122.131439][ T5877] Call Trace: [ 122.134767][ T5877] [ 122.137716][ T5877] udf_map_block+0x402c/0x55c0 [ 122.142518][ T5877] ? __pfx_udf_map_block+0x10/0x10 [ 122.147737][ T5877] ? __pfx___might_resched+0x10/0x10 [ 122.153072][ T5877] ? mlock_drain_local+0x79/0x490 [ 122.158192][ T5877] ? clean_bdev_aliases+0x710/0x8a0 [ 122.163431][ T5877] ? __pfx_clean_bdev_aliases+0x10/0x10 [ 122.169060][ T5877] __udf_get_block+0x128/0x410 [ 122.173861][ T5877] ? __pfx___udf_get_block+0x10/0x10 [ 122.179221][ T5877] __block_write_begin_int+0x691/0x1930 [ 122.184854][ T5877] ? __pfx_udf_get_block+0x10/0x10 [ 122.189978][ T5877] ? __pfx___block_write_begin_int+0x10/0x10 [ 122.196062][ T5877] ? file_update_time+0x3dd/0x450 [ 122.201135][ T5877] udf_page_mkwrite+0x5bf/0x8d0 [ 122.206058][ T5877] ? do_page_mkwrite+0x159/0x340 [ 122.211040][ T5877] do_page_mkwrite+0x159/0x340 [ 122.215907][ T5877] do_wp_page+0x2b7e/0x5dc0 [ 122.220458][ T5877] ? __pfx_do_wp_page+0x10/0x10 [ 122.225400][ T5877] ? __lock_acquire+0xad5/0xd80 [ 122.230312][ T5877] ? do_raw_spin_lock+0x151/0x370 [ 122.235416][ T5877] handle_pte_fault+0xfaf/0x61c0 [ 122.240389][ T5877] ? __pfx_cgroup_rstat_updated+0x10/0x10 [ 122.246203][ T5877] ? __pfx_handle_pte_fault+0x10/0x10 [ 122.251610][ T5877] ? rcu_is_watching+0x15/0xb0 [ 122.256449][ T5877] ? rcu_is_watching+0x15/0xb0 [ 122.261238][ T5877] ? __count_memcg_events+0x1e1/0x3d0 [ 122.266684][ T5877] ? count_memcg_event_mm+0x96/0x440 [ 122.272003][ T5877] ? count_memcg_event_mm+0x96/0x440 [ 122.277401][ T5877] ? __lock_acquire+0xad5/0xd80 [ 122.282289][ T5877] handle_mm_fault+0x1030/0x1aa0 [ 122.287324][ T5877] ? __pfx_handle_mm_fault+0x10/0x10 [ 122.292647][ T5877] ? lock_vma_under_rcu+0x1f0/0x9a0 [ 122.297994][ T5877] ? exc_page_fault+0x115/0x920 [ 122.302903][ T5877] exc_page_fault+0x45b/0x920 [ 122.307659][ T5877] ? do_syscall_64+0x100/0x210 [ 122.312456][ T5877] asm_exc_page_fault+0x26/0x30 [ 122.317385][ T5877] RIP: 0033:0x7fc66efac90a [ 122.321844][ T5877] Code: 00 01 00 00 00 74 9a 83 f9 c0 0f 87 8c fe ff ff c5 fe 6f 4e 20 48 29 fe 48 83 c7 3f 49 8d 0c 10 48 83 e7 c0 48 01 fe 48 29 f9 a4 c4 c1 7e 7f 00 c4 c1 7e 7f 48 20 e9 0b fd ff ff 0f 1f 40 00 [ 122.341537][ T5877] RSP: 002b:00007fc66ef32168 EFLAGS: 00010202 [ 122.347686][ T5877] RAX: 0000200000005680 RBX: 00007fc66f0506e8 RCX: 0000000000003c1e [ 122.355726][ T5877] RDX: 000000000000559e RSI: 00007fc66f019558 RDI: 0000200000007000 [ 122.363723][ T5877] RBP: 00007fc66f0506e0 R08: 0000200000005680 R09: 00007fc66ef326c0 [ 122.371773][ T5877] R10: 00007fc66ef32170 R11: 0000000000000246 R12: 00007fc66f0506ec [ 122.379815][ T5877] R13: 000000000000006e R14: 00007fff44ab5560 R15: 00007fff44ab5648 [ 122.387866][ T5877] [ 122.390920][ T5877] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 122.398210][ T5877] CPU: 1 UID: 0 PID: 5877 Comm: syz-executor210 Not tainted 6.15.0-rc3-syzkaller-00008-ga33b5a08cbbd #0 PREEMPT(full) [ 122.410623][ T5877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 122.420692][ T5877] Call Trace: [ 122.423993][ T5877] [ 122.426957][ T5877] dump_stack_lvl+0x241/0x360 [ 122.431649][ T5877] ? __pfx_dump_stack_lvl+0x10/0x10 [ 122.436856][ T5877] ? __pfx__printk+0x10/0x10 [ 122.441463][ T5877] ? vscnprintf+0x5d/0x90 [ 122.445813][ T5877] panic+0x349/0x880 [ 122.449718][ T5877] ? __warn+0x174/0x4d0 [ 122.453876][ T5877] ? __pfx_panic+0x10/0x10 [ 122.458313][ T5877] __warn+0x344/0x4d0 [ 122.462324][ T5877] ? __udf_add_aext+0x555/0x700 [ 122.467193][ T5877] report_bug+0x2b3/0x500 [ 122.471544][ T5877] ? __udf_add_aext+0x555/0x700 [ 122.476411][ T5877] ? __udf_add_aext+0x555/0x700 [ 122.481275][ T5877] ? __udf_add_aext+0x557/0x700 [ 122.486140][ T5877] handle_bug+0x89/0x170 [ 122.490395][ T5877] exc_invalid_op+0x1a/0x50 [ 122.494908][ T5877] asm_exc_invalid_op+0x1a/0x20 [ 122.499772][ T5877] RIP: 0010:__udf_add_aext+0x555/0x700 [ 122.505255][ T5877] Code: 17 d7 fe 49 8b 3c 24 4c 89 fe e8 a6 d3 fb fe 31 c0 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 ec 6e 6f fe 90 <0f> 0b 90 e9 e7 fb ff ff e8 de 6e 6f fe 90 0f 0b 90 e9 54 fc ff ff [ 122.524869][ T5877] RSP: 0000:ffffc9000407ee18 EFLAGS: 00010293 [ 122.530946][ T5877] RAX: ffffffff83534d74 RBX: 1ffff9200080fe0f RCX: ffff88803023bc00 [ 122.538925][ T5877] RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000 [ 122.546901][ T5877] RBP: 0000000000000000 R08: ffffffff83534956 R09: ffffffff83534886 [ 122.554912][ T5877] R10: 0000000000000002 R11: ffff88803023bc00 R12: ffffc9000407f070 [ 122.562890][ T5877] R13: 0000000000000004 R14: dffffc0000000000 R15: ffffc9000407f078 [ 122.570901][ T5877] ? __udf_add_aext+0x66/0x700 [ 122.575679][ T5877] ? __udf_add_aext+0x136/0x700 [ 122.580543][ T5877] ? __udf_add_aext+0x554/0x700 [ 122.585414][ T5877] ? __udf_add_aext+0x554/0x700 [ 122.590283][ T5877] udf_map_block+0x402c/0x55c0 [ 122.595094][ T5877] ? __pfx_udf_map_block+0x10/0x10 [ 122.600254][ T5877] ? __pfx___might_resched+0x10/0x10 [ 122.605561][ T5877] ? mlock_drain_local+0x79/0x490 [ 122.610605][ T5877] ? clean_bdev_aliases+0x710/0x8a0 [ 122.615823][ T5877] ? __pfx_clean_bdev_aliases+0x10/0x10 [ 122.621402][ T5877] __udf_get_block+0x128/0x410 [ 122.626185][ T5877] ? __pfx___udf_get_block+0x10/0x10 [ 122.631496][ T5877] __block_write_begin_int+0x691/0x1930 [ 122.637075][ T5877] ? __pfx_udf_get_block+0x10/0x10 [ 122.642202][ T5877] ? __pfx___block_write_begin_int+0x10/0x10 [ 122.648198][ T5877] ? file_update_time+0x3dd/0x450 [ 122.653262][ T5877] udf_page_mkwrite+0x5bf/0x8d0 [ 122.658147][ T5877] ? do_page_mkwrite+0x159/0x340 [ 122.663112][ T5877] do_page_mkwrite+0x159/0x340 [ 122.667895][ T5877] do_wp_page+0x2b7e/0x5dc0 [ 122.672431][ T5877] ? __pfx_do_wp_page+0x10/0x10 [ 122.677300][ T5877] ? __lock_acquire+0xad5/0xd80 [ 122.682172][ T5877] ? do_raw_spin_lock+0x151/0x370 [ 122.687233][ T5877] handle_pte_fault+0xfaf/0x61c0 [ 122.692194][ T5877] ? __pfx_cgroup_rstat_updated+0x10/0x10 [ 122.697936][ T5877] ? __pfx_handle_pte_fault+0x10/0x10 [ 122.703315][ T5877] ? rcu_is_watching+0x15/0xb0 [ 122.708093][ T5877] ? rcu_is_watching+0x15/0xb0 [ 122.712864][ T5877] ? __count_memcg_events+0x1e1/0x3d0 [ 122.718268][ T5877] ? count_memcg_event_mm+0x96/0x440 [ 122.723577][ T5877] ? count_memcg_event_mm+0x96/0x440 [ 122.728895][ T5877] ? __lock_acquire+0xad5/0xd80 [ 122.733772][ T5877] handle_mm_fault+0x1030/0x1aa0 [ 122.738749][ T5877] ? __pfx_handle_mm_fault+0x10/0x10 [ 122.744048][ T5877] ? lock_vma_under_rcu+0x1f0/0x9a0 [ 122.749281][ T5877] ? exc_page_fault+0x115/0x920 [ 122.754148][ T5877] exc_page_fault+0x45b/0x920 [ 122.758839][ T5877] ? do_syscall_64+0x100/0x210 [ 122.763619][ T5877] asm_exc_page_fault+0x26/0x30 [ 122.768479][ T5877] RIP: 0033:0x7fc66efac90a [ 122.772904][ T5877] Code: 00 01 00 00 00 74 9a 83 f9 c0 0f 87 8c fe ff ff c5 fe 6f 4e 20 48 29 fe 48 83 c7 3f 49 8d 0c 10 48 83 e7 c0 48 01 fe 48 29 f9 a4 c4 c1 7e 7f 00 c4 c1 7e 7f 48 20 e9 0b fd ff ff 0f 1f 40 00 [ 122.792518][ T5877] RSP: 002b:00007fc66ef32168 EFLAGS: 00010202 [ 122.798622][ T5877] RAX: 0000200000005680 RBX: 00007fc66f0506e8 RCX: 0000000000003c1e [ 122.806603][ T5877] RDX: 000000000000559e RSI: 00007fc66f019558 RDI: 0000200000007000 [ 122.814583][ T5877] RBP: 00007fc66f0506e0 R08: 0000200000005680 R09: 00007fc66ef326c0 [ 122.822562][ T5877] R10: 00007fc66ef32170 R11: 0000000000000246 R12: 00007fc66f0506ec [ 122.830543][ T5877] R13: 000000000000006e R14: 00007fff44ab5560 R15: 00007fff44ab5648 [ 122.838541][ T5877] [ 122.842243][ T5877] Kernel Offset: disabled [ 122.846808][ T5877] Rebooting in 86400 seconds..