ci2-upstream-fs/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-upstream-fs/syz-executor3786935560 <...> Warning: Permanently added '10.128.0.107' (ED25519) to the list of known hosts. execve("ci2-upstream-fs/syz-executor3786935560", ["ci2-upstream-fs/syz-executor3786935560"], 0x7ffce491a9e0 /* 10 vars */) = 0 brk(NULL) = 0x5555649de000 brk(0x5555649dee40) = 0x5555649dee40 arch_prctl(ARCH_SET_FS, 0x5555649de4c0) = 0 set_tid_address(0x5555649de790) = 5612 set_robust_list(0x5555649de7a0, 24) = 0 rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci2-upstream-fs/syz-executor3786935560", 4096) = 44 getrandom("\x0d\xfa\x88\x89\x70\x16\x31\x0a", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555649dee40 brk(0x5555649ffe40) = 0x5555649ffe40 brk(0x555564a00000) = 0x555564a00000 mprotect(0x7fcb98389000, 20480, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 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=5612}, {cmd=CTRL_CMD_NEWFAMILY, version=2}, [[{nla_len=13, nla_type=CTRL_ATTR_FAMILY_NAME}, "\x6e\x6c\x38\x30\x32\x31\x35\x34\x00"...], [{nla_len=6, nla_type=CTRL_ATTR_FAMILY_ID}, 0x1e], [{nla_len=8, nla_type=CTRL_ATTR_VERSION}, 1], [{nla_len=8, nla_type=CTRL_ATTR_HDRSIZE}, 0], [{nla_len=8, nla_type=CTRL_ATTR_MAXATTR}, 48], [{nla_len=744, nla_type=CTRL_ATTR_OPS}, [[{nla_len=20, nla_type=0x1}, [[{nla_len=8, nla_type=CTRL_ATTR_OP_ID}, CTRL_CMD_NEWFAMILY], [{nla_len=8, nla_type=CTRL_ATTR_OP_FLAGS}, GENL_CMD_CAP_DO|GENL_CMD_CAP_DUMP|GENL_CMD_CAP_HASPOL]]], [{nla_len=20, nla_type=0x2}, [[{nla_len=8, nla_type=CTRL_ATTR_OP_ID}, CTRL_CMD_DELOPS], [{nla_len=8, nla_type=CTRL_ATTR_OP_FLAGS}, GENL_CMD_CAP_DO|GENL_CMD_CAP_DUMP|GENL_CMD_CAP_HASPOL]]], [{nla_len=20, nla_type=0x3}, [[{nla_len=8, nla_type=CTRL_ATTR_OP_ID}, CTRL_CMD_NEWMCAST_GRP], [{nla_len=8, nla_type=CTRL_ATTR_OP_FLAGS}, GENL_ADMIN_PERM|GENL_CMD_CAP_DO|GENL_CMD_CAP_HASPOL]]], [{nla_len=20, nla_type=0x4}, [[{nla_len=8, nla_type=CTRL_ATTR_OP_ID}, CTRL_CMD_DELMCAST_GRP], [{nla_len=8, nla_type=CTRL_ATTR_OP_FLAGS}, GENL_ADMIN_PERM|GENL_CMD_CAP_DO|GENL_CMD_CAP_HASPOL]]], [{nla_len=20, nla_type=0x5}, [[{nla_len=8, nla_type=CTRL_ATTR_OP_ID}, CTRL_CMD_GETMCAST_GRP], [{nla_len=8, nla_type=CTRL_ATTR_OP_FLAGS}, GENL_ADMIN_PERM|GENL_CMD_CAP_DO|GENL_CMD_CAP_HASPOL]]], [{nla_len=20, nla_type=0x6}, [[{nla_len=8, nla_type=CTRL_ATTR_OP_ID}, 0xd /* CTRL_CMD_??? */], [{nla_len=8, nla_type=CTRL_ATTR_OP_FLAGS}, GENL_ADMIN_PERM|GENL_CMD_CAP_DO|GENL_CMD_CAP_HASPOL]]], [{nla_len=20, nla_type=0x7}, [[{nla_len=8, nla_type=CTRL_ATTR_OP_ID}, 0xe /* CTRL_CMD_??? */], [{nla_len=8, nla_type=CTRL_ATTR_OP_FLAGS}, GENL_ADMIN_PERM|GENL_CMD_CAP_DO|GENL_CMD_CAP_HASPOL]]], [{nla_len=20, nla_type=0x8}, [[{nla_len=8, nla_type=CTRL_ATTR_OP_ID}, 0xc /* CTRL_CMD_??? */], [{nla_len=8, nla_type=CTRL_ATTR_OP_FLAGS}, GENL_ADMIN_PERM|GENL_CMD_CAP_DO|GENL_CMD_CAP_HASPOL]]], [{nla_len=20, nla_type=0x9}, [[{nla_len=8, nla_type=CTRL_ATTR_OP_ID}, 0x14 /* CTRL_CMD_??? */], [{nla_len=8, nla_type=CTRL_ATTR_OP_FLAGS}, GENL_ADMIN_PERM|GENL_CMD_CAP_DO|GENL_CMD_CAP_HASPOL]]], [{nla_len=20, nla_type=0xa}, [[{nla_len=8, nla_type=CTRL_ATTR_OP_ID}, CTRL_CMD_GETPOLICY], [{nla_len=8, nla_type=CTRL_ATTR_OP_FLAGS}, GENL_ADMIN_PERM|GENL_CMD_CAP_DO|GENL_CMD_CAP_HASPOL]]], [{nla_len=20, nla_type=0xb}, [[{nla_len=8, nla_type=CTRL_ATTR_OP_ID}, 0xb /* CTRL_CMD_??? */], [{nla_len=8, nla_type=CTRL_ATTR_OP_FLAGS}, GENL_ADMIN_PERM|GENL_CMD_CAP_DO|GENL_CMD_CAP_HASPOL]]], [{nla_len=20, nla_type=0xc}, [[{nla_len=8, nla_type=CTRL_ATTR_OP_ID}, 0x10 /* CTRL_CMD_??? */], [{nla_len=8, nla_type=CTRL_ATTR_OP_FLAGS}, GENL_ADMIN_PERM|GENL_CMD_CAP_DO|GENL_CMD_CAP_HASPOL]]], [{nla_len=20, nla_type=0xd}, [[{nla_len=8, nla_type=CTRL_ATTR_OP_ID}, 0x11 /* CTRL_CMD_??? */], [{nla_len=8, nla_type=CTRL_ATTR_OP_FLAGS}, GENL_ADMIN_PERM|GENL_CMD_CAP_DO|GENL_CMD_CAP_HASPOL]]], [{nla_len=20, nla_type=0xe}, [[{nla_len=8, nla_type=CTRL_ATTR_OP_ID}, 0xf /* CTRL_CMD_??? */], [{nla_len=8, nla_type=CTRL_ATTR_OP_FLAGS}, GENL_ADMIN_PERM|GENL_CMD_CAP_DO|GENL_CMD_CAP_HASPOL]]], [{nla_len=20, nla_type=0xf}, [[{nla_len=8, nla_type=CTRL_ATTR_OP_ID}, 0x12 /* CTRL_CMD_??? */], [{nla_len=8, nla_type=CTRL_ATTR_OP_FLAGS}, GENL_ADMIN_PERM|GENL_CMD_CAP_DO|GENL_CMD_CAP_HASPOL]]], [{nla_len=20, nla_type=0x10}, [[{nla_len=8, nla_type=CTRL_ATTR_OP_ID}, 0x13 /* CTRL_CMD_??? */], [{nla_len=8, nla_type=CTRL_ATTR_OP_FLAGS}, GENL_ADMIN_PERM|GENL_CMD_CAP_DO|GENL_CMD_CAP_HASPOL]]], [{nla_len=20, nla_type=0x11}, [[{nla_len=8, nla_type=CTRL_ATTR_OP_ID}, 0x23 /* CTRL_CMD_??? */], [{nla_len=8, nla_type=CTRL_ATTR_OP_FLAGS}, GENL_ADMIN_PERM|GENL_CMD_CAP_DO|GENL_CMD_CAP_HASPOL]]], [{nla_len=20, nla_type=0x12}, [[{nla_len=8, nla_type=CTRL_ATTR_OP_ID}, 0x24 /* CTRL_CMD_??? */], [{nla_len=8, nla_type=CTRL_ATTR_OP_FLAGS}, GENL_ADMIN_PERM|GENL_CMD_CAP_DO|GENL_CMD_CAP_HASPOL]]], [{nla_len=20, nla_type=0x13}, [[{nla_len=8, nla_type=CTRL_ATTR_OP_ID}, 0x26 /* CTRL_CMD_??? */], [{nla_len=8, nla_type=CTRL_ATTR_OP_FLAGS}, GENL_ADMIN_PERM|GENL_CMD_CAP_DO|GENL_CMD_CAP_HASPOL]]], [{nla_len=20, nla_type=0x14}, [[{nla_len=8, nla_type=CTRL_ATTR_OP_ID}, 0x27 /* CTRL_CMD_??? */], [{nla_len=8, nla_type=CTRL_ATTR_OP_FLAGS}, GENL_ADMIN_PERM|GENL_CMD_CAP_DO|GENL_CMD_CAP_HASPOL]]], [{nla_len=20, nla_type=0x15}, [[{nla_len=8, nla_type=CTRL_ATTR_OP_ID}, 0x28 /* CTRL_CMD_??? */], [{nla_len=8, nla_type=CTRL_ATTR_OP_FLAGS}, GENL_ADMIN_PERM|GENL_CMD_CAP_DO|GENL_CMD_CAP_HASPOL]]], [{nla_len=20, nla_type=0x16}, [[{nla_len=8, nla_type=CTRL_ATTR_OP_ID}, 0x29 /* CTRL_CMD_??? */], [{nla_len=8, nla_type=CTRL_ATTR_OP_FLAGS}, GENL_ADMIN_PERM|GENL_CMD_CAP_DO|GENL_CMD_CAP_HASPOL]]], [{nla_len=20, nla_type=0x17}, [[{nla_len=8, nla_type=CTRL_ATTR_OP_ID}, 0x2a /* CTRL_CMD_??? */], [{nla_len=8, nla_type=CTRL_ATTR_OP_FLAGS}, GENL_ADMIN_PERM|GENL_CMD_CAP_DO|GENL_CMD_CAP_HASPOL]]], [{nla_len=20, nla_type=0x18}, [[{nla_len=8, nla_type=CTRL_ATTR_OP_ID}, 0x2b /* CTRL_CMD_??? */], [{nla_len=8, nla_type=CTRL_ATTR_OP_FLAGS}, GENL_CMD_CAP_DUMP|GENL_CMD_CAP_HASPOL]]], [{nla_len=20, nla_type=0x19}, [[{nla_len=8, nla_type=CTRL_ATTR_OP_ID}, 0x15 /* CTRL_CMD_??? */], [{nla_len=8, nla_type=CTRL_ATTR_OP_FLAGS}, GENL_ADMIN_PERM|GENL_CMD_CAP_DO|GENL_CMD_CAP_HASPOL]]], [{nla_len=20, nla_type=0x1a}, [[{nla_len=8, nla_type=CTRL_ATTR_OP_ID}, 0x16 /* CTRL_CMD_??? */], [{nla_len=8, nla_type=CTRL_ATTR_OP_FLAGS}, GENL_ADMIN_PERM|GENL_CMD_CAP_DUMP|GENL_CMD_CAP_HASPOL]]], [{nla_len=20, nla_type=0x1b}, [[{nla_len=8, nla_type=CTRL_ATTR_OP_ID}, 0x17 /* CTRL_CMD_??? */], [{nla_len=8, nla_type=CTRL_ATTR_OP_FLAGS}, GENL_ADMIN_PERM|GENL_CMD_CAP_DO|GENL_CMD_CAP_HASPOL]]], [{nla_len=20, nla_type=0x1c}, [[{nla_len=8, nla_type=CTRL_ATTR_OP_ID}, 0x18 /* CTRL_CMD_??? */], [{nla_len=8, nla_type=CTRL_ATTR_OP_FLAGS}, GENL_ADMIN_PERM|GENL_CMD_CAP_DO|GENL_CMD_CAP_HASPOL]]], [{nla_len=20, nla_type=0x1d}, [[{nla_len=8, nla_type=CTRL_ATTR_OP_ID}, 0x19 /* CTRL_CMD_??? */], [{nla_len=8, nla_type=CTRL_ATTR_OP_FLAGS}, GENL_ADMIN_PERM|GENL_CMD_CAP_DUMP|GENL_CMD_CAP_HASPOL]]], [{nla_len=20, nla_type=0x1e}, [[{nla_len=8, nla_type=CTRL_ATTR_OP_ID}, 0x1a /* CTRL_CMD_??? */], [{nla_len=8, nla_type=CTRL_ATTR_OP_FLAGS}, GENL_ADMIN_PERM|GENL_CMD_CAP_DO|GENL_CMD_CAP_HASPOL]]], [{nla_len=20, nla_type=0x1f}, [[{nla_len=8, nla_type=CTRL_ATTR_OP_ID}, 0x1b /* CTRL_CMD_??? */], [{nla_len=8, nla_type=CTRL_ATTR_OP_FLAGS}, GENL_ADMIN_PERM|GENL_CMD_CAP_DO|GENL_CMD_CAP_HASPOL]]], [{nla_len=20, nla_type=0x20}, [[{nla_len=8, nla_type=CTRL_ATTR_OP_ID}, 0x1c /* CTRL_CMD_??? */], [{nla_len=8, nla_type=CTRL_ATTR_OP_FLAGS}, GENL_ADMIN_PERM|GENL_CMD_CAP_DUMP|GENL_CMD_CAP_HASPOL]]], [{nla_len=20, nla_type=0x21}, [[{nla_len=8, nla_type=CTRL_ATTR_OP_ID}, 0x1d /* CTRL_CMD_??? */], [{nla_len=8, nla_type=CTRL_ATTR_OP_FLAGS}, GENL_ADMIN_PERM|GENL_CMD_CAP_DO|GENL_CMD_CAP_HASPOL]]], [{nla_len=20, nla_type=0x22}, [[{nla_len=8, nla_type=CTRL_ATTR_OP_ID}, 0x1e /* CTRL_CMD_??? */], [{nla_len=8, nla_type=CTRL_ATTR_OP_FLAGS}, GENL_ADMIN_PERM|GENL_CMD_CAP_DO|GENL_CMD_CAP_HASPOL]]], [{nla_len=20, nla_type=0x23}, [[{nla_len=8, nla_type=CTRL_ATTR_OP_ID}, 0x1f /* CTRL_CMD_??? */], [{nla_len=8, nla_type=CTRL_ATTR_OP_FLAGS}, GENL_ADMIN_PERM|GENL_CMD_CAP_DUMP|GENL_CMD_CAP_HASPOL]]], [{nla_len=20, nla_type=0x24}, [[{nla_len=8, nla_type=CTRL_ATTR_OP_ID}, 0x20 /* CTRL_CMD_??? */], [{nla_len=8, nla_type=CTRL_ATTR_OP_FLAGS}, GENL_ADMIN_PERM|GENL_CMD_CAP_DO|GENL_CMD_CAP_HASPOL]]], [{nla_len=20, nla_type=0x25}, [[{nla_len=8, nla_type=CTRL_ATTR_OP_ID}, 0x21 /* CTRL_CMD_??? */], [{nla_len=8, nla_type=CTRL_ATTR_OP_FLAGS}, GENL_ADMIN_PERM|GENL_CMD_CAP_DO|GENL_CMD_CAP_HASPOL]]]]], [{nla_len=52, nla_type=CTRL_ATTR_MCAST_GROUPS}, [[{nla_len=24, nla_type=0x1}, [[{nla_len=8, nla_type=CTRL_ATTR_MCAST_GRP_ID}, 0xc], [{nla_len=11, nla_type=CTRL_ATTR_MCAST_GRP_NAME}, "\x63\x6f\x6e\x66\x69\x67\x00"...]]], [{nla_len=24, nla_type=0x2}, [[{nla_len=8, nla_type=CTRL_ATTR_MCAST_GRP_ID}, 0xd], [{nla_len=9, nla_type=CTRL_ATTR_MCAST_GRP_NAME}, "\x73\x63\x61\x6e\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=5612}, {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}, {cmd=0xb, version=0}, [[{nla_len=8, nla_type=0x3}, "\x0b\x00\x00\x00"], [{nla_len=6, nla_type=0xa}, "\xa0\xaa"]]], 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=5612}, {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=5612}, {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=84, 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=8, nla_type=IFLA_NUM_TX_QUEUES}, 2], [{nla_len=8, nla_type=IFLA_NUM_RX_QUEUES}, 2], [{nla_len=16, nla_type=IFLA_LINKINFO}, [{nla_len=10, nla_type=IFLA_INFO_KIND}, "lowpan"...]], [{nla_len=8, nla_type=IFLA_LINK}, 11]]], 84, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 84 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5612}, {error=0, msg={nlmsg_len=84, 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}, {cmd=0xb, version=0}, [[{nla_len=8, nla_type=0x3}, "\x0c\x00\x00\x00"], [{nla_len=6, nla_type=0xa}, "\xa1\xaa"]]], 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=5612}, {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=5612}, {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 swapoff("./swap-file") = -1 ENOENT (No such file or directory) unlink("./swap-file") = -1 ENOENT (No such file or directory) openat(AT_FDCWD, "./swap-file", O_WRONLY|O_CREAT|O_CLOEXEC, 0600) = 3 fallocate(3, FALLOC_FL_ZERO_RANGE, 0, 128000000) = 0 close(3) = 0 rt_sigaction(SIGINT, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fcb982c8dc0}, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 rt_sigaction(SIGQUIT, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fcb982c8dc0}, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, 8) = 0 rt_sigprocmask(SIG_BLOCK, [CHLD], [], 8) = 0 mmap(NULL, 36864, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcb982a8000 rt_sigprocmask(SIG_BLOCK, ~[], [CHLD], 8) = 0 clone3({flags=CLONE_VM|CLONE_VFORK|CLONE_CLEAR_SIGHAND, exit_signal=SIGCHLD, stack=0x7fcb982a8000, stack_size=0x9000}, 88ci2-upstream-fs/strace-static-x86_64: Process 5615 attached [pid 5615] rt_sigprocmask(SIG_BLOCK, NULL, ~[KILL STOP], 8) = 0 [pid 5615] rt_sigaction(SIGINT, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fcb982c8dc0}, NULL, 8) = 0 [pid 5615] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5615] execve("/bin/sh", ["sh", "-c", "--", "mkswap ./swap-file"], 0x7ffd53cf0268 /* 10 vars */ [pid 5612] <... clone3 resumed>) = 5615 [pid 5612] munmap(0x7fcb982a8000, 36864) = 0 [pid 5612] rt_sigprocmask(SIG_SETMASK, [CHLD], NULL, 8) = 0 [pid 5615] <... execve resumed>) = 0 [pid 5615] brk(NULL) = 0x55792ffb0000 [pid 5615] mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b92bd000 [pid 5615] access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory) [pid 5615] openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5615] openat(AT_FDCWD, "/lib64/glibc-hwcaps/x86-64-v3/libbusybox.so.1.37.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5615] newfstatat(AT_FDCWD, "/lib64/glibc-hwcaps/x86-64-v3/", 0x7ffe51fd5b80, 0) = -1 ENOENT (No such file or directory) [pid 5615] openat(AT_FDCWD, "/lib64/glibc-hwcaps/x86-64-v2/libbusybox.so.1.37.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5615] newfstatat(AT_FDCWD, "/lib64/glibc-hwcaps/x86-64-v2/", 0x7ffe51fd5b80, 0) = -1 ENOENT (No such file or directory) [pid 5615] openat(AT_FDCWD, "/lib64/libbusybox.so.1.37.0", O_RDONLY|O_CLOEXEC) = 3 [pid 5615] read(3, "\x7f\x45\x4c\x46\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x3e\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x38\x13\x0c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x38\x00\x09\x00\x40\x00\x19\x00\x18\x00\x01\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xc8\xf4\x00\x00"..., 832) = 832 [pid 5615] fstat(3, {st_mode=S_IFREG|0644, st_size=792952, ...}) = 0 [pid 5615] mmap(NULL, 792856, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f43b91fb000 [pid 5615] mmap(0x7f43b920b000, 548864, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x10000) = 0x7f43b920b000 [pid 5615] mmap(0x7f43b9291000, 163840, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x96000) = 0x7f43b9291000 [pid 5615] mmap(0x7f43b92b9000, 16384, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xbe000) = 0x7f43b92b9000 [pid 5615] close(3) = 0 [pid 5615] openat(AT_FDCWD, "/lib64/libc.so.6", O_RDONLY|O_CLOEXEC) = 3 [pid 5615] read(3, "\x7f\x45\x4c\x46\x02\x01\x01\x03\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x3e\x00\x01\x00\x00\x00\xf0\xab\x02\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x38\x22\x1d\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x38\x00\x0e\x00\x40\x00\x3b\x00\x3a\x00\x06\x00\x00\x00\x04\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x10\x03\x00\x00"..., 832) = 832 [pid 5615] pread64(3, "\x06\x00\x00\x00\x04\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x10\x03\x00\x00\x00\x00\x00\x00\x10\x03\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x04\x00\x00\x00\x60\xc1\x19\x00\x00\x00\x00\x00\x60\xc1\x19\x00\x00\x00\x00\x00\x60\xc1\x19\x00\x00\x00\x00\x00\x1c\x00\x00\x00\x00\x00\x00\x00\x1c\x00\x00\x00"..., 784, 64) = 784 [pid 5615] fstat(3, {st_mode=S_IFREG|0755, st_size=1913080, ...}) = 0 [pid 5615] pread64(3, "\x06\x00\x00\x00\x04\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x10\x03\x00\x00\x00\x00\x00\x00\x10\x03\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x04\x00\x00\x00\x60\xc1\x19\x00\x00\x00\x00\x00\x60\xc1\x19\x00\x00\x00\x00\x00\x60\xc1\x19\x00\x00\x00\x00\x00\x1c\x00\x00\x00\x00\x00\x00\x00\x1c\x00\x00\x00"..., 784, 64) = 784 [pid 5615] mmap(NULL, 1965720, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f43b901b000 [pid 5615] mmap(0x7f43b9043000, 1368064, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x28000) = 0x7f43b9043000 [pid 5615] mmap(0x7f43b9191000, 356352, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x176000) = 0x7f43b9191000 [pid 5615] mmap(0x7f43b91e8000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1cc000) = 0x7f43b91e8000 [pid 5615] mmap(0x7f43b91ee000, 52888, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f43b91ee000 [pid 5615] close(3) = 0 [pid 5615] openat(AT_FDCWD, "/lib64/libpam.so.0", O_RDONLY|O_CLOEXEC) = 3 [pid 5615] read(3, "\x7f\x45\x4c\x46\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x3e\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\xf8\xf0\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x38\x00\x0a\x00\x40\x00\x1b\x00\x1a\x00\x01\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xe0\x29\x00\x00"..., 832) = 832 [pid 5615] fstat(3, {st_mode=S_IFREG|0755, st_size=63416, ...}) = 0 [pid 5615] mmap(NULL, 65552, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f43b900a000 [pid 5615] mmap(0x7f43b900d000, 32768, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3000) = 0x7f43b900d000 [pid 5615] mmap(0x7f43b9015000, 16384, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xb000) = 0x7f43b9015000 [pid 5615] mmap(0x7f43b9019000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xe000) = 0x7f43b9019000 [pid 5615] close(3) = 0 [pid 5615] openat(AT_FDCWD, "/lib64/libpam_misc.so.0", O_RDONLY|O_CLOEXEC) = 3 [pid 5615] read(3, "\x7f\x45\x4c\x46\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x3e\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x00\x51\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x38\x00\x0a\x00\x40\x00\x1a\x00\x19\x00\x01\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd8\x12\x00\x00"..., 832) = 832 [pid 5615] fstat(3, {st_mode=S_IFREG|0755, st_size=22400, ...}) = 0 [pid 5615] mmap(NULL, 24656, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f43b9003000 [pid 5615] mmap(0x7f43b9005000, 8192, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7f43b9005000 [pid 5615] mmap(0x7f43b9007000, 4096, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x4000) = 0x7f43b9007000 [pid 5615] mmap(0x7f43b9008000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x4000) = 0x7f43b9008000 [pid 5615] close(3) = 0 [pid 5615] openat(AT_FDCWD, "/lib64/libresolv.so.2", O_RDONLY|O_CLOEXEC) = 3 [pid 5615] read(3, "\x7f\x45\x4c\x46\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x3e\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\xa8\xe1\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x38\x00\x0b\x00\x40\x00\x1d\x00\x1c\x00\x01\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x08\x27\x00\x00"..., 832) = 832 [pid 5615] fstat(3, {st_mode=S_IFREG|0755, st_size=59624, ...}) = 0 [pid 5615] mmap(NULL, 67720, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f43b8ff2000 [pid 5615] mmap(0x7f43b8ff5000, 32768, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3000) = 0x7f43b8ff5000 [pid 5615] mmap(0x7f43b8ffd000, 8192, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xb000) = 0x7f43b8ffd000 [pid 5615] mmap(0x7f43b8fff000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xd000) = 0x7f43b8fff000 [pid 5615] mmap(0x7f43b9001000, 6280, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f43b9001000 [pid 5615] close(3) = 0 [pid 5615] openat(AT_FDCWD, "/lib64/libselinux.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5615] openat(AT_FDCWD, "/usr/lib64/glibc-hwcaps/x86-64-v3/libselinux.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5615] newfstatat(AT_FDCWD, "/usr/lib64/glibc-hwcaps/x86-64-v3/", 0x7ffe51fd5ae0, 0) = -1 ENOENT (No such file or directory) [pid 5615] openat(AT_FDCWD, "/usr/lib64/glibc-hwcaps/x86-64-v2/libselinux.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5615] newfstatat(AT_FDCWD, "/usr/lib64/glibc-hwcaps/x86-64-v2/", 0x7ffe51fd5ae0, 0) = -1 ENOENT (No such file or directory) [pid 5615] openat(AT_FDCWD, "/usr/lib64/libselinux.so.1", O_RDONLY|O_CLOEXEC) = 3 [pid 5615] read(3, "\x7f\x45\x4c\x46\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x3e\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x60\xd1\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x38\x00\x0b\x00\x40\x00\x1d\x00\x1c\x00\x01\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x28\x74\x00\x00"..., 832) = 832 [pid 5615] fstat(3, {st_mode=S_IFREG|0755, st_size=186528, ...}) = 0 [pid 5615] mmap(NULL, 194256, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f43b8fc2000 [pid 5615] mmap(0x7f43b8fca000, 114688, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x8000) = 0x7f43b8fca000 [pid 5615] mmap(0x7f43b8fe6000, 32768, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x24000) = 0x7f43b8fe6000 [pid 5615] mmap(0x7f43b8fee000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2c000) = 0x7f43b8fee000 [pid 5615] mmap(0x7f43b8ff0000, 5840, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f43b8ff0000 [pid 5615] close(3) = 0 [pid 5615] mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b8fc0000 [pid 5615] openat(AT_FDCWD, "/lib64/libatomic.so.1", O_RDONLY|O_CLOEXEC) = 3 [pid 5615] read(3, "\x7f\x45\x4c\x46\x02\x01\x01\x03\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x3e\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x30\x71\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x38\x00\x0a\x00\x40\x00\x1b\x00\x1a\x00\x01\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x78\x1f\x00\x00"..., 832) = 832 [pid 5615] fstat(3, {st_mode=S_IFREG|0755, st_size=30704, ...}) = 0 [pid 5615] mmap(NULL, 37000, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f43b8fb6000 [pid 5615] mmap(0x7f43b8fb8000, 12288, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7f43b8fb8000 [pid 5615] mmap(0x7f43b8fbb000, 8192, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x5000) = 0x7f43b8fbb000 [pid 5615] mmap(0x7f43b8fbd000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6000) = 0x7f43b8fbd000 [pid 5615] mmap(0x7f43b8fbf000, 136, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f43b8fbf000 [pid 5615] close(3) = 0 [pid 5615] openat(AT_FDCWD, "/lib64/libpcre2-8.so.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5615] openat(AT_FDCWD, "/usr/lib64/libpcre2-8.so.0", O_RDONLY|O_CLOEXEC) = 3 [pid 5615] read(3, "\x7f\x45\x4c\x46\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x3e\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\xf0\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x38\x00\x0a\x00\x40\x00\x1a\x00\x19\x00\x01\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xc8\x20\x00\x00"..., 832) = 832 [pid 5615] fstat(3, {st_mode=S_IFREG|0755, st_size=395120, ...}) = 0 [pid 5615] mmap(NULL, 397336, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f43b8f54000 [pid 5615] mmap(0x7f43b8f57000, 225280, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3000) = 0x7f43b8f57000 [pid 5615] mmap(0x7f43b8f8e000, 155648, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3a000) = 0x7f43b8f8e000 [pid 5615] mmap(0x7f43b8fb4000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x5f000) = 0x7f43b8fb4000 [pid 5615] close(3) = 0 [pid 5615] mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f43b8f52000 [pid 5615] arch_prctl(ARCH_SET_FS, 0x7f43b8f52c80) = 0 [pid 5615] set_tid_address(0x7f43b8f52f50) = 5615 [pid 5615] set_robust_list(0x7f43b8f52f60, 24) = 0 [pid 5615] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 5615] mprotect(0x7f43b91e8000, 16384, PROT_READ) = 0 [pid 5615] mprotect(0x7f43b8fb4000, 4096, PROT_READ) = 0 [pid 5615] mprotect(0x7f43b8fbd000, 4096, PROT_READ) = 0 [pid 5615] mprotect(0x7f43b8fee000, 4096, PROT_READ) = 0 [pid 5615] mprotect(0x7f43b8fff000, 4096, PROT_READ) = 0 [pid 5615] mprotect(0x7f43b9019000, 4096, PROT_READ) = 0 [pid 5615] mprotect(0x7f43b9008000, 4096, PROT_READ) = 0 [pid 5615] mprotect(0x7f43b92b9000, 12288, PROT_READ) = 0 [pid 5615] mprotect(0x5579265ae000, 4096, PROT_READ) = 0 [pid 5615] mprotect(0x7f43b92fa000, 8192, PROT_READ) = 0 [pid 5615] prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 [pid 5615] statfs("/sys/fs/selinux", 0x7ffe51fd6920) = -1 ENOENT (No such file or directory) [pid 5615] statfs("/selinux", 0x7ffe51fd6920) = -1 ENOENT (No such file or directory) [pid 5615] getrandom("\xfc\x55\xb4\x2f\xea\xa5\xf6\x6c", 8, GRND_NONBLOCK) = 8 [pid 5615] brk(NULL) = 0x55792ffb0000 [pid 5615] brk(0x55792ffd1000) = 0x55792ffd1000 [pid 5615] openat(AT_FDCWD, "/proc/filesystems", O_RDONLY|O_CLOEXEC) = 3 [pid 5615] fstat(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0 [pid 5615] read(3, "nodev\tsysfs\nnodev\ttmpfs\nnodev\tproc\nnodev\tcgroup\nnodev\tcgroup2\nnodev\tdevtmpfs\nnodev\tbinfmt_misc\nnodev"..., 1024) = 772 [pid 5615] read(3, "", 1024) = 0 [pid 5615] close(3) = 0 [pid 5615] access("/etc/selinux/config", F_OK) = 0 [pid 5615] getpid() = 5615 [pid 5615] rt_sigaction(SIGCHLD, {sa_handler=0x7f43b923e287, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER, sa_restorer=0x7f43b905a180}, NULL, 8) = 0 [pid 5615] getppid() = 5612 [pid 5615] uname({sysname="Linux", nodename="syzkaller", ...}) = 0 [pid 5615] newfstatat(AT_FDCWD, "/root", {st_mode=S_IFDIR|0700, st_size=4096, ...}, 0) = 0 [pid 5615] newfstatat(AT_FDCWD, ".", {st_mode=S_IFDIR|0700, st_size=4096, ...}, 0) = 0 [pid 5615] rt_sigaction(SIGINT, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5615] rt_sigaction(SIGINT, {sa_handler=0x7f43b923e287, sa_mask=~[RTMIN RT_1], sa_flags=SA_RESTORER, sa_restorer=0x7f43b905a180}, NULL, 8) = 0 [pid 5615] rt_sigaction(SIGQUIT, NULL, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5615] rt_sigaction(SIGTERM, NULL, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=0}, 8) = 0 [pid 5615] newfstatat(AT_FDCWD, "/bin/mkswap", 0x7ffe51fd6478, 0) = -1 ENOENT (No such file or directory) [pid 5615] newfstatat(AT_FDCWD, "/sbin/mkswap", {st_mode=S_IFREG|0755, st_size=14256, ...}, 0) = 0 [pid 5615] execve("/sbin/mkswap", ["mkswap", "./swap-file"], 0x55792ffb0d40 /* 10 vars */) = 0 [pid 5615] brk(NULL) = 0x5559934c6000 [pid 5615] mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53be6d0000 [pid 5615] access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory) [pid 5615] openat(AT_FDCWD, "/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5615] openat(AT_FDCWD, "/lib64/glibc-hwcaps/x86-64-v3/libbusybox.so.1.37.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5615] newfstatat(AT_FDCWD, "/lib64/glibc-hwcaps/x86-64-v3/", 0x7ffcb1110d00, 0) = -1 ENOENT (No such file or directory) [pid 5615] openat(AT_FDCWD, "/lib64/glibc-hwcaps/x86-64-v2/libbusybox.so.1.37.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5615] newfstatat(AT_FDCWD, "/lib64/glibc-hwcaps/x86-64-v2/", 0x7ffcb1110d00, 0) = -1 ENOENT (No such file or directory) [pid 5615] openat(AT_FDCWD, "/lib64/libbusybox.so.1.37.0", O_RDONLY|O_CLOEXEC) = 3 [pid 5615] read(3, "\x7f\x45\x4c\x46\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x3e\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x38\x13\x0c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x38\x00\x09\x00\x40\x00\x19\x00\x18\x00\x01\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xc8\xf4\x00\x00"..., 832) = 832 [pid 5615] fstat(3, {st_mode=S_IFREG|0644, st_size=792952, ...}) = 0 [pid 5615] mmap(NULL, 792856, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f53be60e000 [pid 5615] mmap(0x7f53be61e000, 548864, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x10000) = 0x7f53be61e000 [pid 5615] mmap(0x7f53be6a4000, 163840, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x96000) = 0x7f53be6a4000 [pid 5615] mmap(0x7f53be6cc000, 16384, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xbe000) = 0x7f53be6cc000 [pid 5615] close(3) = 0 [pid 5615] openat(AT_FDCWD, "/lib64/libc.so.6", O_RDONLY|O_CLOEXEC) = 3 [pid 5615] read(3, "\x7f\x45\x4c\x46\x02\x01\x01\x03\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x3e\x00\x01\x00\x00\x00\xf0\xab\x02\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x38\x22\x1d\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x38\x00\x0e\x00\x40\x00\x3b\x00\x3a\x00\x06\x00\x00\x00\x04\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x10\x03\x00\x00"..., 832) = 832 [pid 5615] pread64(3, "\x06\x00\x00\x00\x04\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x10\x03\x00\x00\x00\x00\x00\x00\x10\x03\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x04\x00\x00\x00\x60\xc1\x19\x00\x00\x00\x00\x00\x60\xc1\x19\x00\x00\x00\x00\x00\x60\xc1\x19\x00\x00\x00\x00\x00\x1c\x00\x00\x00\x00\x00\x00\x00\x1c\x00\x00\x00"..., 784, 64) = 784 [pid 5615] fstat(3, {st_mode=S_IFREG|0755, st_size=1913080, ...}) = 0 [pid 5615] pread64(3, "\x06\x00\x00\x00\x04\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x10\x03\x00\x00\x00\x00\x00\x00\x10\x03\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x04\x00\x00\x00\x60\xc1\x19\x00\x00\x00\x00\x00\x60\xc1\x19\x00\x00\x00\x00\x00\x60\xc1\x19\x00\x00\x00\x00\x00\x1c\x00\x00\x00\x00\x00\x00\x00\x1c\x00\x00\x00"..., 784, 64) = 784 [pid 5615] mmap(NULL, 1965720, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f53be42e000 [pid 5615] mmap(0x7f53be456000, 1368064, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x28000) = 0x7f53be456000 [pid 5615] mmap(0x7f53be5a4000, 356352, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x176000) = 0x7f53be5a4000 [pid 5615] mmap(0x7f53be5fb000, 24576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1cc000) = 0x7f53be5fb000 [pid 5615] mmap(0x7f53be601000, 52888, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f53be601000 [pid 5615] close(3) = 0 [pid 5615] openat(AT_FDCWD, "/lib64/libpam.so.0", O_RDONLY|O_CLOEXEC) = 3 [pid 5615] read(3, "\x7f\x45\x4c\x46\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x3e\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\xf8\xf0\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x38\x00\x0a\x00\x40\x00\x1b\x00\x1a\x00\x01\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xe0\x29\x00\x00"..., 832) = 832 [pid 5615] fstat(3, {st_mode=S_IFREG|0755, st_size=63416, ...}) = 0 [pid 5615] mmap(NULL, 65552, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f53be41d000 [pid 5615] mmap(0x7f53be420000, 32768, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3000) = 0x7f53be420000 [pid 5615] mmap(0x7f53be428000, 16384, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xb000) = 0x7f53be428000 [pid 5615] mmap(0x7f53be42c000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xe000) = 0x7f53be42c000 [pid 5615] close(3) = 0 [pid 5615] openat(AT_FDCWD, "/lib64/libpam_misc.so.0", O_RDONLY|O_CLOEXEC) = 3 [pid 5615] read(3, "\x7f\x45\x4c\x46\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x3e\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x00\x51\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x38\x00\x0a\x00\x40\x00\x1a\x00\x19\x00\x01\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd8\x12\x00\x00"..., 832) = 832 [pid 5615] fstat(3, {st_mode=S_IFREG|0755, st_size=22400, ...}) = 0 [pid 5615] mmap(NULL, 24656, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f53be416000 [pid 5615] mmap(0x7f53be418000, 8192, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7f53be418000 [pid 5615] mmap(0x7f53be41a000, 4096, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x4000) = 0x7f53be41a000 [pid 5615] mmap(0x7f53be41b000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x4000) = 0x7f53be41b000 [pid 5615] close(3) = 0 [pid 5615] openat(AT_FDCWD, "/lib64/libresolv.so.2", O_RDONLY|O_CLOEXEC) = 3 [pid 5615] read(3, "\x7f\x45\x4c\x46\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x3e\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\xa8\xe1\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x38\x00\x0b\x00\x40\x00\x1d\x00\x1c\x00\x01\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x08\x27\x00\x00"..., 832) = 832 [pid 5615] fstat(3, {st_mode=S_IFREG|0755, st_size=59624, ...}) = 0 [pid 5615] mmap(NULL, 67720, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f53be405000 [pid 5615] mmap(0x7f53be408000, 32768, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3000) = 0x7f53be408000 [pid 5615] mmap(0x7f53be410000, 8192, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xb000) = 0x7f53be410000 [pid 5615] mmap(0x7f53be412000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xd000) = 0x7f53be412000 [pid 5615] mmap(0x7f53be414000, 6280, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f53be414000 [pid 5615] close(3) = 0 [pid 5615] openat(AT_FDCWD, "/lib64/libselinux.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5615] openat(AT_FDCWD, "/usr/lib64/glibc-hwcaps/x86-64-v3/libselinux.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5615] newfstatat(AT_FDCWD, "/usr/lib64/glibc-hwcaps/x86-64-v3/", 0x7ffcb1110c60, 0) = -1 ENOENT (No such file or directory) [pid 5615] openat(AT_FDCWD, "/usr/lib64/glibc-hwcaps/x86-64-v2/libselinux.so.1", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5615] newfstatat(AT_FDCWD, "/usr/lib64/glibc-hwcaps/x86-64-v2/", 0x7ffcb1110c60, 0) = -1 ENOENT (No such file or directory) [pid 5615] openat(AT_FDCWD, "/usr/lib64/libselinux.so.1", O_RDONLY|O_CLOEXEC) = 3 [pid 5615] read(3, "\x7f\x45\x4c\x46\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x3e\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x60\xd1\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x38\x00\x0b\x00\x40\x00\x1d\x00\x1c\x00\x01\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x28\x74\x00\x00"..., 832) = 832 [pid 5615] fstat(3, {st_mode=S_IFREG|0755, st_size=186528, ...}) = 0 [pid 5615] mmap(NULL, 194256, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f53be3d5000 [pid 5615] mmap(0x7f53be3dd000, 114688, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x8000) = 0x7f53be3dd000 [pid 5615] mmap(0x7f53be3f9000, 32768, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x24000) = 0x7f53be3f9000 [pid 5615] mmap(0x7f53be401000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2c000) = 0x7f53be401000 [pid 5615] mmap(0x7f53be403000, 5840, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f53be403000 [pid 5615] close(3) = 0 [pid 5615] mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53be3d3000 [pid 5615] openat(AT_FDCWD, "/lib64/libatomic.so.1", O_RDONLY|O_CLOEXEC) = 3 [pid 5615] read(3, "\x7f\x45\x4c\x46\x02\x01\x01\x03\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x3e\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x30\x71\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x38\x00\x0a\x00\x40\x00\x1b\x00\x1a\x00\x01\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x78\x1f\x00\x00"..., 832) = 832 [pid 5615] fstat(3, {st_mode=S_IFREG|0755, st_size=30704, ...}) = 0 [pid 5615] mmap(NULL, 37000, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f53be3c9000 [pid 5615] mmap(0x7f53be3cb000, 12288, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x2000) = 0x7f53be3cb000 [pid 5615] mmap(0x7f53be3ce000, 8192, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x5000) = 0x7f53be3ce000 [pid 5615] mmap(0x7f53be3d0000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6000) = 0x7f53be3d0000 [pid 5615] mmap(0x7f53be3d2000, 136, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7f53be3d2000 [pid 5615] close(3) = 0 [pid 5615] openat(AT_FDCWD, "/lib64/libpcre2-8.so.0", O_RDONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 5615] openat(AT_FDCWD, "/usr/lib64/libpcre2-8.so.0", O_RDONLY|O_CLOEXEC) = 3 [pid 5615] read(3, "\x7f\x45\x4c\x46\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x3e\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\xf0\x00\x06\x00\x00\x00\x00\x00\x00\x00\x00\x00\x40\x00\x38\x00\x0a\x00\x40\x00\x1a\x00\x19\x00\x01\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xc8\x20\x00\x00"..., 832) = 832 [pid 5615] fstat(3, {st_mode=S_IFREG|0755, st_size=395120, ...}) = 0 [pid 5615] mmap(NULL, 397336, PROT_READ, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0x7f53be367000 [pid 5615] mmap(0x7f53be36a000, 225280, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3000) = 0x7f53be36a000 [pid 5615] mmap(0x7f53be3a1000, 155648, PROT_READ, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x3a000) = 0x7f53be3a1000 [pid 5615] mmap(0x7f53be3c7000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x5f000) = 0x7f53be3c7000 [pid 5615] close(3) = 0 [pid 5615] mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53be365000 [pid 5615] arch_prctl(ARCH_SET_FS, 0x7f53be365c80) = 0 [pid 5615] set_tid_address(0x7f53be365f50) = 5615 [pid 5615] set_robust_list(0x7f53be365f60, 24) = 0 [pid 5615] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 5615] mprotect(0x7f53be5fb000, 16384, PROT_READ) = 0 [pid 5615] mprotect(0x7f53be3c7000, 4096, PROT_READ) = 0 [pid 5615] mprotect(0x7f53be3d0000, 4096, PROT_READ) = 0 [pid 5615] mprotect(0x7f53be401000, 4096, PROT_READ) = 0 [pid 5615] mprotect(0x7f53be412000, 4096, PROT_READ) = 0 [pid 5615] mprotect(0x7f53be42c000, 4096, PROT_READ) = 0 [pid 5615] mprotect(0x7f53be41b000, 4096, PROT_READ) = 0 [pid 5615] mprotect(0x7f53be6cc000, 12288, PROT_READ) = 0 [pid 5615] mprotect(0x555987105000, 4096, PROT_READ) = 0 [pid 5615] mprotect(0x7f53be70d000, 8192, PROT_READ) = 0 [pid 5615] prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 [pid 5615] statfs("/sys/fs/selinux", 0x7ffcb1111aa0) = -1 ENOENT (No such file or directory) [pid 5615] statfs("/selinux", 0x7ffcb1111aa0) = -1 ENOENT (No such file or directory) [pid 5615] getrandom("\x8b\x6b\xfc\xcc\x87\x29\x6f\xad", 8, GRND_NONBLOCK) = 8 [pid 5615] brk(NULL) = 0x5559934c6000 [pid 5615] brk(0x5559934e7000) = 0x5559934e7000 [pid 5615] openat(AT_FDCWD, "/proc/filesystems", O_RDONLY|O_CLOEXEC) = 3 [pid 5615] fstat(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0 [pid 5615] read(3, "nodev\tsysfs\nnodev\ttmpfs\nnodev\tproc\nnodev\tcgroup\nnodev\tcgroup2\nnodev\tdevtmpfs\nnodev\tbinfmt_misc\nnodev"..., 1024) = 772 [pid 5615] read(3, "", 1024) = 0 [pid 5615] close(3) = 0 [pid 5615] access("/etc/selinux/config", F_OK) = 0 [pid 5615] openat(AT_FDCWD, "./swap-file", O_WRONLY) = 3 [pid 5615] lseek(3, 0, SEEK_END) = 128000000 [pid 5615] lseek(3, 0, SEEK_SET) = 0 [pid 5615] fstat(1, {st_mode=S_IFIFO|0600, st_size=0, ...}) = 0 [pid 5615] 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"..., 1024) = 1024 [pid 5615] write(3, "\x01\x00\x00\x00\x11\x7a\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 516) = 516 [pid 5615] lseek(3, 4086, SEEK_SET) = 4086 [pid 5615] write(3, "SWAPSPACE2", 10) = 10 [pid 5615] fsync(3) = 0 [pid 5615] write(1, "Setting up swapspace version 1, size = 127995904 bytes\n", 55) = 55 Setting up swapspace version 1, size = 127995904 bytes [pid 5615] exit_group(0) = ? [pid 5615] +++ exited with 0 +++ rt_sigaction(SIGINT, {sa_handler=SIG_DFL, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fcb982c8dc0}, NULL, 8) = 0 rt_sigaction(SIGQUIT, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=SA_RESTORER, sa_restorer=0x7fcb982c8dc0}, NULL, 8) = 0 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5615, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- swapon("./swap-file", SWAP_FLAG_PREFER|0) = 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=0x7fcb982c34c0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fcb982c8dc0}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7fcb982c34c0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fcb982c8dc0}, NULL, 8) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555649de790) = 5616 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5616 attached [pid 5612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5616] set_robust_list(0x5555649de7a0, 24) = 0 [pid 5616] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5612] <... clone resumed>, child_tidptr=0x5555649de790) = 5617 [pid 5612] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5612] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5616] getrandom(ci2-upstream-fs/strace-static-x86_64: Process 5617 attached [pid 5612] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5617] set_robust_list(0x5555649de7a0, 24 [pid 5616] <... getrandom resumed>"\x59\xff\x30\x5a\xb7\xdd\x0b\x75", 8, GRND_NONBLOCK) = 8 ci2-upstream-fs/strace-static-x86_64: Process 5618 attached [pid 5617] <... set_robust_list resumed>) = 0 [pid 5612] <... clone resumed>, child_tidptr=0x5555649de790) = 5618 [pid 5618] set_robust_list(0x5555649de7a0, 24 [pid 5612] rt_sigprocmask(SIG_SETMASK, [] [pid 5618] <... set_robust_list resumed>) = 0 [pid 5612] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5618] rt_sigprocmask(SIG_SETMASK, [] [pid 5617] rt_sigprocmask(SIG_SETMASK, [] [pid 5616] mkdir("./syzkaller.lfKT7W", 0700 [pid 5617] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5612] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5618] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5617] getrandom( [pid 5612] <... rt_sigprocmask resumed>, [], 8) = 0 [ 130.428723][ T5612] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [pid 5618] getrandom( [pid 5617] <... getrandom resumed>"\x33\xab\x03\x7e\x3e\xd1\x82\x79", 8, GRND_NONBLOCK) = 8 [pid 5618] <... getrandom resumed>"\x94\x28\x5b\x78\x4e\xcb\xcf\xd5", 8, GRND_NONBLOCK) = 8 [pid 5616] <... mkdir resumed>) = 0 [pid 5617] mkdir("./syzkaller.dU5BMn", 0700 [pid 5612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5618] mkdir("./syzkaller.0QtFQc", 0700 [pid 5616] chmod("./syzkaller.lfKT7W", 0777ci2-upstream-fs/strace-static-x86_64: Process 5619 attached [pid 5612] <... clone resumed>, child_tidptr=0x5555649de790) = 5619 [pid 5612] rt_sigprocmask(SIG_SETMASK, [] [pid 5619] set_robust_list(0x5555649de7a0, 24 [pid 5612] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5612] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5619] <... set_robust_list resumed>) = 0 [pid 5612] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5619] rt_sigprocmask(SIG_SETMASK, [] [pid 5616] <... chmod resumed>) = 0 [pid 5612] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5619] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5619] getrandom("\xa9\xb4\x51\x01\xfd\x06\x8c\xf9", 8, GRND_NONBLOCK) = 8 [pid 5619] getrandom("\xd2\x46\xb8\x52\x8c\x3e\xc1\xae", 8, GRND_NONBLOCK) = 8 [pid 5616] chdir("./syzkaller.lfKT7W" [pid 5619] mkdir("./syzkaller.eJv6Bp", 0700 [pid 5616] <... chdir resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5620 attached [pid 5616] unshare(CLONE_NEWPID [pid 5612] <... clone resumed>, child_tidptr=0x5555649de790) = 5620 [pid 5620] set_robust_list(0x5555649de7a0, 24 [pid 5618] <... mkdir resumed>) = 0 [pid 5617] <... mkdir resumed>) = 0 [pid 5616] <... unshare resumed>) = 0 [pid 5618] chmod("./syzkaller.0QtFQc", 0777 [pid 5617] chmod("./syzkaller.dU5BMn", 0777 [pid 5616] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5612] rt_sigprocmask(SIG_SETMASK, [] [pid 5620] <... set_robust_list resumed>) = 0 [pid 5616] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5616] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5617] <... chmod resumed>) = 0 [pid 5620] rt_sigprocmask(SIG_SETMASK, [] [pid 5618] <... chmod resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5621 attached [pid 5612] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5620] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5619] <... mkdir resumed>) = 0 [pid 5618] chdir("./syzkaller.0QtFQc" [pid 5617] chdir("./syzkaller.dU5BMn" [pid 5621] set_robust_list(0x5555649de7a0, 24 [pid 5616] <... clone resumed>, child_tidptr=0x5555649de790) = 5621 [pid 5620] getrandom( [pid 5618] <... chdir resumed>) = 0 [pid 5617] <... chdir resumed>) = 0 [pid 5616] rt_sigprocmask(SIG_SETMASK, [] [pid 5621] <... set_robust_list resumed>) = 0 [pid 5619] chmod("./syzkaller.eJv6Bp", 0777 [pid 5618] unshare(CLONE_NEWPID [pid 5617] unshare(CLONE_NEWPID [pid 5616] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5618] <... unshare resumed>) = 0 [pid 5617] <... unshare resumed>) = 0 [pid 5621] rt_sigprocmask(SIG_SETMASK, [] [pid 5620] <... getrandom resumed>"\x07\x9c\x91\xd9\x56\x4c\xe4\xb9", 8, GRND_NONBLOCK) = 8 [pid 5621] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5619] <... chmod resumed>) = 0 [pid 5618] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5617] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5620] mkdir("./syzkaller.fZ0ZTB", 0700 [pid 5621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5619] chdir("./syzkaller.eJv6Bp" [pid 5618] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5617] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5621] getppid( [pid 5619] <... chdir resumed>) = 0 [pid 5618] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5617] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5622 attached [pid 5621] <... getppid resumed>) = 0 [pid 5620] <... mkdir resumed>) = 0 [pid 5619] unshare(CLONE_NEWPIDci2-upstream-fs/strace-static-x86_64: Process 5623 attached [pid 5622] set_robust_list(0x5555649de7a0, 24 [pid 5621] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024} [pid 5620] chmod("./syzkaller.fZ0ZTB", 0777 [pid 5619] <... unshare resumed>) = 0 [pid 5623] set_robust_list(0x5555649de7a0, 24 [pid 5622] <... set_robust_list resumed>) = 0 [pid 5621] <... prlimit64 resumed>, NULL) = 0 [pid 5619] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5618] <... clone resumed>, child_tidptr=0x5555649de790) = 5622 [pid 5623] <... set_robust_list resumed>) = 0 [pid 5622] rt_sigprocmask(SIG_SETMASK, [] [pid 5621] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024} [pid 5620] <... chmod resumed>) = 0 [pid 5619] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5618] rt_sigprocmask(SIG_SETMASK, [] [pid 5617] <... clone resumed>, child_tidptr=0x5555649de790) = 5623 [pid 5623] rt_sigprocmask(SIG_SETMASK, [] [pid 5621] <... prlimit64 resumed>, NULL) = 0 [pid 5619] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5618] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5617] rt_sigprocmask(SIG_SETMASK, [] [pid 5623] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5622] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5621] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024} [pid 5620] chdir("./syzkaller.fZ0ZTB" [pid 5617] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5624 attached [pid 5623] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5621] <... prlimit64 resumed>, NULL) = 0 [pid 5624] set_robust_list(0x5555649de7a0, 24 [pid 5623] <... prctl resumed>) = 0 [pid 5622] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5621] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024} [pid 5620] <... chdir resumed>) = 0 [pid 5619] <... clone resumed>, child_tidptr=0x5555649de790) = 5624 [pid 5624] <... set_robust_list resumed>) = 0 [pid 5623] getppid( [pid 5622] <... prctl resumed>) = 0 [pid 5624] rt_sigprocmask(SIG_SETMASK, [] [pid 5623] <... getppid resumed>) = 0 [pid 5622] getppid( [pid 5621] <... prlimit64 resumed>, NULL) = 0 [pid 5620] unshare(CLONE_NEWPID [pid 5619] rt_sigprocmask(SIG_SETMASK, [] [pid 5624] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5623] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024} [pid 5622] <... getppid resumed>) = 0 [pid 5624] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5623] <... prlimit64 resumed>, NULL) = 0 [pid 5621] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024} [pid 5620] <... unshare resumed>) = 0 [pid 5619] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5623] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024} [pid 5622] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024} [pid 5620] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5624] <... prctl resumed>) = 0 [pid 5623] <... prlimit64 resumed>, NULL) = 0 [pid 5622] <... prlimit64 resumed>, NULL) = 0 [pid 5621] <... prlimit64 resumed>, NULL) = 0 [pid 5620] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5624] getppid( [pid 5623] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024} [pid 5622] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024} [pid 5621] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256} [pid 5624] <... getppid resumed>) = 0 [pid 5623] <... prlimit64 resumed>, NULL) = 0 [pid 5622] <... prlimit64 resumed>, NULL) = 0 [pid 5620] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5624] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024} [pid 5623] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024} [pid 5622] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024} [pid 5621] <... prlimit64 resumed>, NULL) = 0 [pid 5624] <... prlimit64 resumed>, NULL) = 0 [pid 5624] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024} [pid 5623] <... prlimit64 resumed>, NULL) = 0 [pid 5622] <... prlimit64 resumed>, NULL) = 0 [pid 5624] <... prlimit64 resumed>, NULL) = 0 [pid 5623] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024} [pid 5622] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024} [pid 5624] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5623] <... prlimit64 resumed>, NULL) = 0 [pid 5622] <... prlimit64 resumed>, NULL) = 0 [pid 5624] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024} [pid 5623] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256} [pid 5622] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024} [pid 5624] <... prlimit64 resumed>, NULL) = 0 [pid 5621] unshare(CLONE_NEWNS [pid 5624] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024} [pid 5623] <... prlimit64 resumed>, NULL) = 0 [pid 5622] <... prlimit64 resumed>, NULL) = 0 [pid 5624] <... prlimit64 resumed>, NULL) = 0 [pid 5623] unshare(CLONE_NEWNS [pid 5622] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256} [pid 5624] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256} [pid 5622] <... prlimit64 resumed>, NULL) = 0 [pid 5624] <... prlimit64 resumed>, NULL) = 0 [pid 5622] unshare(CLONE_NEWNS [pid 5624] unshare(CLONE_NEWNSci2-upstream-fs/strace-static-x86_64: Process 5625 attached ) = 0 [pid 5623] <... unshare resumed>) = 0 [pid 5622] <... unshare resumed>) = 0 [pid 5621] <... unshare resumed>) = 0 [pid 5620] <... clone resumed>, child_tidptr=0x5555649de790) = 5625 [pid 5625] set_robust_list(0x5555649de7a0, 24 [pid 5624] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5625] <... set_robust_list resumed>) = 0 [pid 5624] <... mount resumed>) = 0 [pid 5623] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5622] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5621] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5620] rt_sigprocmask(SIG_SETMASK, [] [pid 5625] rt_sigprocmask(SIG_SETMASK, [] [pid 5623] <... mount resumed>) = 0 [pid 5622] <... mount resumed>) = 0 [pid 5625] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5624] unshare(CLONE_NEWIPC [pid 5623] unshare(CLONE_NEWIPC [pid 5621] <... mount resumed>) = 0 [pid 5625] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5624] <... unshare resumed>) = 0 [pid 5623] <... unshare resumed>) = 0 [pid 5622] unshare(CLONE_NEWIPC [pid 5621] unshare(CLONE_NEWIPC [pid 5620] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5625] <... prctl resumed>) = 0 [pid 5625] getppid( [pid 5622] <... unshare resumed>) = 0 [pid 5625] <... getppid resumed>) = 0 [pid 5625] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024} [pid 5624] unshare(CLONE_NEWCGROUP [pid 5623] unshare(CLONE_NEWCGROUP [pid 5625] <... prlimit64 resumed>, NULL) = 0 [pid 5624] <... unshare resumed>) = 0 [pid 5623] <... unshare resumed>) = 0 [pid 5625] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024} [pid 5623] unshare(CLONE_NEWUTS [pid 5624] unshare(CLONE_NEWUTS [pid 5622] unshare(CLONE_NEWCGROUP [pid 5625] <... prlimit64 resumed>, NULL) = 0 [pid 5623] <... unshare resumed>) = 0 [pid 5625] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024} [pid 5622] <... unshare resumed>) = 0 [pid 5624] <... unshare resumed>) = 0 [pid 5623] unshare(CLONE_SYSVSEM [pid 5622] unshare(CLONE_NEWUTS [pid 5625] <... prlimit64 resumed>, NULL) = 0 [pid 5623] <... unshare resumed>) = 0 [pid 5624] unshare(CLONE_SYSVSEM [pid 5625] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024} [pid 5623] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5624] <... unshare resumed>) = 0 [pid 5622] <... unshare resumed>) = 0 [pid 5625] <... prlimit64 resumed>, NULL) = 0 [pid 5624] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5623] <... openat resumed>) = 3 [pid 5622] unshare(CLONE_SYSVSEM [pid 5623] write(3, "16777216", 8 [pid 5625] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024} [pid 5623] <... write resumed>) = 8 [pid 5622] <... unshare resumed>) = 0 [pid 5625] <... prlimit64 resumed>, NULL) = 0 [pid 5625] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5623] close(3 [pid 5625] unshare(CLONE_NEWNS [pid 5622] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5621] <... unshare resumed>) = 0 [pid 5625] <... unshare resumed>) = 0 [pid 5624] <... openat resumed>) = 3 [pid 5623] <... close resumed>) = 0 [pid 5622] <... openat resumed>) = 3 [pid 5621] unshare(CLONE_NEWCGROUP [pid 5625] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5624] write(3, "16777216", 8 [pid 5623] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5625] <... mount resumed>) = 0 [pid 5624] <... write resumed>) = 8 [pid 5623] <... openat resumed>) = 3 [pid 5622] write(3, "16777216", 8 [pid 5621] <... unshare resumed>) = 0 [pid 5624] close(3 [pid 5625] unshare(CLONE_NEWIPC) = 0 [pid 5621] unshare(CLONE_NEWUTS [pid 5623] write(3, "536870912", 9 [pid 5622] <... write resumed>) = 8 [pid 5621] <... unshare resumed>) = 0 [pid 5625] unshare(CLONE_NEWCGROUP [pid 5624] <... close resumed>) = 0 [pid 5623] <... write resumed>) = 9 [pid 5621] unshare(CLONE_SYSVSEM [pid 5622] close(3 [pid 5625] <... unshare resumed>) = 0 [pid 5624] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5623] close(3 [pid 5621] <... unshare resumed>) = 0 [pid 5622] <... close resumed>) = 0 [pid 5625] unshare(CLONE_NEWUTS [pid 5623] <... close resumed>) = 0 [pid 5621] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5625] <... unshare resumed>) = 0 [pid 5624] <... openat resumed>) = 3 [pid 5622] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5624] write(3, "536870912", 9 [pid 5625] unshare(CLONE_SYSVSEM [pid 5624] <... write resumed>) = 9 [pid 5623] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5622] <... openat resumed>) = 3 [pid 5625] <... unshare resumed>) = 0 [pid 5624] close(3 [pid 5623] <... openat resumed>) = 3 [pid 5622] write(3, "536870912", 9 [pid 5624] <... close resumed>) = 0 [pid 5622] <... write resumed>) = 9 [pid 5624] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5622] close(3 [pid 5625] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5622] <... close resumed>) = 0 [pid 5625] <... openat resumed>) = 3 [pid 5624] <... openat resumed>) = 3 [pid 5621] <... openat resumed>) = 3 [pid 5623] write(3, "1024", 4 [pid 5621] write(3, "16777216", 8 [pid 5625] write(3, "16777216", 8 [pid 5623] <... write resumed>) = 4 [pid 5621] <... write resumed>) = 8 [pid 5625] <... write resumed>) = 8 [pid 5624] write(3, "1024", 4 [pid 5623] close(3 [pid 5622] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5621] close(3 [pid 5625] close(3 [pid 5624] <... write resumed>) = 4 [pid 5623] <... close resumed>) = 0 [pid 5621] <... close resumed>) = 0 [pid 5625] <... close resumed>) = 0 [pid 5624] close(3 [pid 5623] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5622] <... openat resumed>) = 3 [pid 5621] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5625] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5624] <... close resumed>) = 0 [pid 5623] <... openat resumed>) = 3 [pid 5622] write(3, "1024", 4 [pid 5621] <... openat resumed>) = 3 [pid 5625] <... openat resumed>) = 3 [pid 5621] write(3, "536870912", 9) = 9 [pid 5625] write(3, "536870912", 9 [pid 5624] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5623] write(3, "8192", 4 [pid 5622] <... write resumed>) = 4 [pid 5621] close(3 [pid 5625] <... write resumed>) = 9 [pid 5623] <... write resumed>) = 4 [pid 5621] <... close resumed>) = 0 [pid 5625] close(3 [pid 5623] close(3 [pid 5622] close(3 [pid 5621] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5625] <... close resumed>) = 0 [pid 5623] <... close resumed>) = 0 [pid 5622] <... close resumed>) = 0 [pid 5625] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5623] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5622] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5624] <... openat resumed>) = 3 [pid 5623] <... openat resumed>) = 3 [pid 5625] <... openat resumed>) = 3 [pid 5623] write(3, "1024", 4) = 4 [pid 5623] close(3) = 0 [pid 5625] write(3, "1024", 4 [pid 5623] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5621] <... openat resumed>) = 3 [pid 5625] <... write resumed>) = 4 [pid 5624] write(3, "8192", 4 [pid 5622] <... openat resumed>) = 3 [pid 5621] write(3, "1024", 4 [pid 5624] <... write resumed>) = 4 [pid 5625] close(3 [pid 5624] close(3 [pid 5625] <... close resumed>) = 0 [pid 5621] <... write resumed>) = 4 [pid 5625] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5621] close(3 [pid 5624] <... close resumed>) = 0 [pid 5622] write(3, "8192", 4 [pid 5621] <... close resumed>) = 0 [pid 5624] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5622] <... write resumed>) = 4 [pid 5625] <... openat resumed>) = 3 [pid 5624] <... openat resumed>) = 3 [pid 5623] <... openat resumed>) = 3 [pid 5622] close(3 [pid 5621] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5625] write(3, "8192", 4 [pid 5624] write(3, "1024", 4 [pid 5622] <... close resumed>) = 0 [pid 5623] write(3, "1024", 4 [pid 5621] <... openat resumed>) = 3 [pid 5623] <... write resumed>) = 4 [pid 5625] <... write resumed>) = 4 [pid 5624] <... write resumed>) = 4 [pid 5622] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5621] write(3, "8192", 4 [pid 5625] close(3 [pid 5624] close(3 [pid 5623] close(3 [pid 5621] <... write resumed>) = 4 [pid 5625] <... close resumed>) = 0 [pid 5624] <... close resumed>) = 0 [pid 5623] <... close resumed>) = 0 [pid 5622] <... openat resumed>) = 3 [pid 5621] close(3 [pid 5625] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5624] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5623] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5621] <... close resumed>) = 0 [pid 5622] write(3, "1024", 4 [pid 5621] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5622] <... write resumed>) = 4 [pid 5622] close(3) = 0 [pid 5622] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5624] <... openat resumed>) = 3 [pid 5623] <... openat resumed>) = 3 [pid 5622] <... openat resumed>) = 3 [pid 5625] <... openat resumed>) = 3 [pid 5624] write(3, "1024", 4 [pid 5623] write(3, "1024 1048576 500 1024", 21 [pid 5622] write(3, "1024", 4 [pid 5621] <... openat resumed>) = 3 [pid 5625] write(3, "1024", 4 [pid 5624] <... write resumed>) = 4 [pid 5623] <... write resumed>) = 21 [pid 5622] <... write resumed>) = 4 [pid 5625] <... write resumed>) = 4 [pid 5624] close(3 [pid 5623] close(3 [pid 5622] close(3 [pid 5621] write(3, "1024", 4 [pid 5625] close(3 [pid 5624] <... close resumed>) = 0 [pid 5623] <... close resumed>) = 0 [pid 5622] <... close resumed>) = 0 [pid 5621] <... write resumed>) = 4 [pid 5625] <... close resumed>) = 0 [pid 5624] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5623] getpid( [pid 5622] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5621] close(3 [pid 5625] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5624] <... openat resumed>) = 3 [pid 5623] <... getpid resumed>) = 1 [pid 5621] <... close resumed>) = 0 [pid 5624] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5624] close(3) = 0 [pid 5621] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5624] getpid( [pid 5621] <... openat resumed>) = 3 [pid 5624] <... getpid resumed>) = 1 [pid 5623] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1} [pid 5624] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1} [pid 5623] <... capget resumed>, {effective=1<, {effective=1< [pid 5621] write(3, "1024", 4 [pid 5624] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5623] <... capset resumed>) = 0 [pid 5622] <... openat resumed>) = 3 [pid 5621] <... write resumed>) = 4 [pid 5624] <... capset resumed>) = 0 [pid 5623] unshare(CLONE_NEWNET [pid 5622] write(3, "1024 1048576 500 1024", 21 [pid 5621] close(3 [pid 5625] <... openat resumed>) = 3 [pid 5621] <... close resumed>) = 0 [pid 5625] write(3, "1024", 4 [pid 5621] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5625] <... write resumed>) = 4 [pid 5621] <... openat resumed>) = 3 [pid 5625] close(3 [pid 5621] write(3, "1024 1048576 500 1024", 21 [pid 5625] <... close resumed>) = 0 [pid 5621] <... write resumed>) = 21 [pid 5625] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5621] close(3 [pid 5625] <... openat resumed>) = 3 [pid 5621] <... close resumed>) = 0 [pid 5621] getpid() = 1 [pid 5621] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1} [pid 5625] write(3, "1024 1048576 500 1024", 21 [pid 5624] unshare(CLONE_NEWNET [pid 5622] <... write resumed>) = 21 [pid 5621] <... capget resumed>, {effective=1<) = 21 [pid 5621] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5625] close(3 [pid 5621] <... capset resumed>) = 0 [pid 5625] <... close resumed>) = 0 [pid 5621] unshare(CLONE_NEWNET [pid 5625] getpid() = 1 [pid 5622] close(3 [pid 5625] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1} [pid 5622] <... close resumed>) = 0 [pid 5625] <... capget resumed>, {effective=1< [pid 5622] getpid( [pid 5625] <... capset resumed>) = 0 [pid 5625] unshare(CLONE_NEWNET [pid 5622] <... getpid resumed>) = 1 [pid 5622] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5623] <... unshare resumed>) = 0 [pid 5623] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3 [pid 5623] write(3, "0 65535", 7) = 7 [pid 5623] close(3) = 0 [pid 5623] newfstatat(AT_FDCWD, "/dev/net/tun", {st_mode=S_IFCHR|0666, st_rdev=makedev(0xa, 0xc8), ...}, 0) = 0 [pid 5623] openat(AT_FDCWD, "/dev/net/tun", O_RDWR|O_NONBLOCK) = 3 [pid 5623] dup2(3, 200) = 200 [pid 5623] close(3) = 0 [pid 5623] ioctl(200, TUNSETIFF, 0x7ffd53ceff20 [pid 5624] <... unshare resumed>) = 0 [pid 5624] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3 [pid 5624] write(3, "0 65535", 7) = 7 [pid 5624] close(3) = 0 [pid 5624] newfstatat(AT_FDCWD, "/dev/net/tun", {st_mode=S_IFCHR|0666, st_rdev=makedev(0xa, 0xc8), ...}, 0) = 0 [pid 5624] openat(AT_FDCWD, "/dev/net/tun", O_RDWR|O_NONBLOCK) = 3 [pid 5624] dup2(3, 200) = 200 [pid 5624] close(3) = 0 [pid 5624] ioctl(200, TUNSETIFF, 0x7ffd53ceff20 [pid 5622] <... unshare resumed>) = 0 [pid 5625] <... unshare resumed>) = 0 [pid 5625] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5622] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5623] <... ioctl resumed>) = 0 [pid 5623] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/accept_dad", O_WRONLY|O_CLOEXEC) = 3 [pid 5623] write(3, "0", 1) = 1 [pid 5623] close(3 [pid 5622] <... openat resumed>) = 3 [pid 5623] <... close resumed>) = 0 [pid 5622] write(3, "0 65535", 7 [pid 5625] <... openat resumed>) = 3 [pid 5623] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/router_solicitations", O_WRONLY|O_CLOEXEC [pid 5622] <... write resumed>) = 7 [pid 5622] close(3) = 0 [pid 5622] newfstatat(AT_FDCWD, "/dev/net/tun", {st_mode=S_IFCHR|0666, st_rdev=makedev(0xa, 0xc8), ...}, 0) = 0 [pid 5625] write(3, "0 65535", 7 [pid 5623] <... openat resumed>) = 3 [pid 5622] openat(AT_FDCWD, "/dev/net/tun", O_RDWR|O_NONBLOCK [pid 5625] <... write resumed>) = 7 [pid 5622] <... openat resumed>) = 3 [pid 5625] close(3) = 0 [pid 5622] dup2(3, 200 [pid 5625] newfstatat(AT_FDCWD, "/dev/net/tun", {st_mode=S_IFCHR|0666, st_rdev=makedev(0xa, 0xc8), ...}, 0) = 0 [pid 5622] <... dup2 resumed>) = 200 [pid 5625] openat(AT_FDCWD, "/dev/net/tun", O_RDWR|O_NONBLOCK [pid 5623] write(3, "0", 1 [pid 5622] close(3 [pid 5625] <... openat resumed>) = 3 [pid 5623] <... write resumed>) = 1 [pid 5622] <... close resumed>) = 0 [pid 5623] close(3 [pid 5625] dup2(3, 200 [pid 5623] <... close resumed>) = 0 [pid 5622] ioctl(200, TUNSETIFF, 0x7ffd53ceff20 [pid 5625] <... dup2 resumed>) = 200 [pid 5623] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 5625] close(3) = 0 [pid 5623] <... socket resumed>) = 3 [pid 5625] ioctl(200, TUNSETIFF, 0x7ffd53ceff20 [pid 5624] <... ioctl resumed>) = 0 [pid 5623] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5624] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/accept_dad", O_WRONLY|O_CLOEXEC [pid 5623] <... socket resumed>) = 4 [pid 5624] <... openat resumed>) = 3 [pid 5623] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0 [pid 5623] close(4 [pid 5624] write(3, "0", 1 [pid 5623] <... close resumed>) = 0 [pid 5624] <... write resumed>) = 1 [pid 5624] close(3 [pid 5623] sendto(3, [{nlmsg_len=40, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x18\x00\x00\x0b\x00\x00\x00\x08\x00\x02\x00\xac\x14\x14\xaa\x08\x00\x01\x00\xac\x14\x14\xaa"], 40, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5624] <... close resumed>) = 0 [pid 5622] <... ioctl resumed>) = 0 [pid 5621] <... unshare resumed>) = 0 [pid 5624] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/router_solicitations", O_WRONLY|O_CLOEXEC [pid 5622] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/accept_dad", O_WRONLY|O_CLOEXEC) = 3 [pid 5621] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5624] <... openat resumed>) = 3 [pid 5622] write(3, "0", 1) = 1 [pid 5624] write(3, "0", 1 [pid 5622] close(3 [pid 5621] <... openat resumed>) = 3 [pid 5624] <... write resumed>) = 1 [pid 5621] write(3, "0 65535", 7 [pid 5624] close(3 [pid 5622] <... close resumed>) = 0 [pid 5624] <... close resumed>) = 0 [pid 5622] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/router_solicitations", O_WRONLY|O_CLOEXEC [pid 5624] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 5622] <... openat resumed>) = 3 [pid 5624] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5621] <... write resumed>) = 7 [pid 5625] <... ioctl resumed>) = 0 [pid 5624] <... socket resumed>) = 4 [pid 5623] <... sendto resumed>) = 40 [pid 5622] write(3, "0", 1 [pid 5625] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/accept_dad", O_WRONLY|O_CLOEXEC [pid 5623] recvfrom(3 [pid 5624] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 5622] <... write resumed>) = 1 [pid 5621] close(3 [pid 5625] <... openat resumed>) = 3 [pid 5623] <... recvfrom resumed>, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=40, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5625] write(3, "0", 1 [pid 5624] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5622] close(3 [pid 5621] <... close resumed>) = 0 [pid 5625] <... write resumed>) = 1 [pid 5624] close(4 [pid 5623] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5622] <... close resumed>) = 0 [pid 5625] close(3 [pid 5624] <... close resumed>) = 0 [pid 5623] <... socket resumed>) = 4 [pid 5622] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 5621] newfstatat(AT_FDCWD, "/dev/net/tun" [pid 5625] <... close resumed>) = 0 [pid 5624] sendto(3, [{nlmsg_len=40, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x18\x00\x00\x0b\x00\x00\x00\x08\x00\x02\x00\xac\x14\x14\xaa\x08\x00\x01\x00\xac\x14\x14\xaa"], 40, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5625] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/router_solicitations", O_WRONLY|O_CLOEXEC [pid 5623] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 5622] <... socket resumed>) = 3 [pid 5621] <... newfstatat resumed>, {st_mode=S_IFCHR|0666, st_rdev=makedev(0xa, 0xc8), ...}, 0) = 0 [pid 5625] <... openat resumed>) = 3 [pid 5623] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5622] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5623] close(4 [pid 5622] <... socket resumed>) = 4 [pid 5623] <... close resumed>) = 0 [pid 5622] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 5621] openat(AT_FDCWD, "/dev/net/tun", O_RDWR|O_NONBLOCK [pid 5625] write(3, "0", 1 [pid 5623] sendto(3, [{nlmsg_len=64, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}, "\x0a\x78\x00\x00\x0b\x00\x00\x00\x14\x00\x02\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\x14\x00\x01\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa"], 64, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5622] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5621] <... openat resumed>) = 3 [pid 5625] <... write resumed>) = 1 [pid 5625] close(3 [pid 5622] close(4 [pid 5625] <... close resumed>) = 0 [pid 5622] <... close resumed>) = 0 [pid 5621] dup2(3, 200 [pid 5625] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 5621] <... dup2 resumed>) = 200 [pid 5624] <... sendto resumed>) = 40 [pid 5625] <... socket resumed>) = 3 [pid 5622] sendto(3, [{nlmsg_len=40, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x18\x00\x00\x0b\x00\x00\x00\x08\x00\x02\x00\xac\x14\x14\xaa\x08\x00\x01\x00\xac\x14\x14\xaa"], 40, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5621] close(3 [pid 5625] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5624] recvfrom(3 [pid 5623] <... sendto resumed>) = 64 [pid 5624] <... recvfrom resumed>, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=40, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5625] <... socket resumed>) = 4 [pid 5623] recvfrom(3 [pid 5622] <... sendto resumed>) = 40 [pid 5621] <... close resumed>) = 0 [pid 5625] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 5624] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5623] <... recvfrom resumed>, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=64, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5625] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5624] <... socket resumed>) = 4 [pid 5623] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5622] recvfrom(3 [pid 5621] ioctl(200, TUNSETIFF, 0x7ffd53ceff20 [pid 5625] close(4 [pid 5624] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 5623] <... socket resumed>) = 4 [pid 5622] <... recvfrom resumed>, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=40, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5625] <... close resumed>) = 0 [pid 5624] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5623] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0 [pid 5623] close(4) = 0 [pid 5624] close(4 [pid 5622] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5624] <... close resumed>) = 0 [pid 5625] sendto(3, [{nlmsg_len=40, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x18\x00\x00\x0b\x00\x00\x00\x08\x00\x02\x00\xac\x14\x14\xaa\x08\x00\x01\x00\xac\x14\x14\xaa"], 40, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5624] sendto(3, [{nlmsg_len=64, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}, "\x0a\x78\x00\x00\x0b\x00\x00\x00\x14\x00\x02\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\x14\x00\x01\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa"], 64, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5623] sendto(3, [{nlmsg_len=48, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x01\x00\xac\x14\x14\xbb\x0a\x00\x02\x00\xbb\xaa\xaa\xaa\xaa\xaa\x00\x00"], 48, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5622] <... socket resumed>) = 4 [pid 5625] <... sendto resumed>) = 40 [pid 5624] <... sendto resumed>) = 64 [pid 5622] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 5621] <... ioctl resumed>) = 0 [pid 5623] <... sendto resumed>) = 48 [pid 5622] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5622] close(4) = 0 [pid 5622] sendto(3, [{nlmsg_len=64, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}, "\x0a\x78\x00\x00\x0b\x00\x00\x00\x14\x00\x02\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\x14\x00\x01\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa"], 64, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5624] recvfrom(3 [pid 5621] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/accept_dad", O_WRONLY|O_CLOEXEC [pid 5625] recvfrom(3 [pid 5624] <... recvfrom resumed>, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=64, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5623] recvfrom(3 [pid 5621] <... openat resumed>) = 3 [pid 5625] <... recvfrom resumed>, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=40, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5624] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5623] <... recvfrom resumed>, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=48, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5622] <... sendto resumed>) = 64 [pid 5625] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5624] <... socket resumed>) = 4 [pid 5621] write(3, "0", 1) = 1 [pid 5621] close(3 [pid 5625] <... socket resumed>) = 4 [pid 5624] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 5621] <... close resumed>) = 0 [pid 5623] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5624] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5622] recvfrom(3 [pid 5621] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/router_solicitations", O_WRONLY|O_CLOEXEC [pid 5625] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 5624] close(4 [pid 5623] <... socket resumed>) = 4 [pid 5622] <... recvfrom resumed>, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=64, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5621] <... openat resumed>) = 3 [pid 5625] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5624] <... close resumed>) = 0 [pid 5623] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 5624] sendto(3, [{nlmsg_len=48, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x01\x00\xac\x14\x14\xbb\x0a\x00\x02\x00\xbb\xaa\xaa\xaa\xaa\xaa\x00\x00"], 48, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5623] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5622] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5621] write(3, "0", 1 [pid 5625] close(4 [pid 5624] <... sendto resumed>) = 48 [pid 5623] close(4 [pid 5622] <... socket resumed>) = 4 [pid 5621] <... write resumed>) = 1 [pid 5625] <... close resumed>) = 0 [pid 5622] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 5625] sendto(3, [{nlmsg_len=64, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}, "\x0a\x78\x00\x00\x0b\x00\x00\x00\x14\x00\x02\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\x14\x00\x01\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa"], 64, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5623] <... close resumed>) = 0 [pid 5624] recvfrom(3 [pid 5622] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5621] close(3 [pid 5625] <... sendto resumed>) = 64 [pid 5624] <... recvfrom resumed>, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=48, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5623] sendto(3, [{nlmsg_len=60, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}, "\x0a\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x14\x00\x01\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xbb\x0a\x00\x02\x00\xbb\xaa\xaa\xaa\xaa\xaa\x00\x00"], 60, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5622] close(4 [pid 5621] <... close resumed>) = 0 [pid 5625] recvfrom(3 [pid 5624] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5623] <... sendto resumed>) = 60 [pid 5622] <... close resumed>) = 0 [pid 5621] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 5625] <... recvfrom resumed>, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=64, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5624] <... socket resumed>) = 4 [pid 5623] recvfrom(3 [pid 5622] sendto(3, [{nlmsg_len=48, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x01\x00\xac\x14\x14\xbb\x0a\x00\x02\x00\xbb\xaa\xaa\xaa\xaa\xaa\x00\x00"], 48, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5621] <... socket resumed>) = 3 [pid 5625] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5624] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 5623] <... recvfrom resumed>, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=60, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5622] <... sendto resumed>) = 48 [pid 5621] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5625] <... socket resumed>) = 4 [pid 5624] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5623] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5621] <... socket resumed>) = 4 [pid 5624] close(4 [pid 5622] recvfrom(3 [pid 5625] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 5624] <... close resumed>) = 0 [pid 5623] <... socket resumed>) = 4 [pid 5622] <... recvfrom resumed>, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=48, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5621] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 5625] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5624] sendto(3, [{nlmsg_len=60, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}, "\x0a\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x14\x00\x01\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xbb\x0a\x00\x02\x00\xbb\xaa\xaa\xaa\xaa\xaa\x00\x00"], 60, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5623] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 5622] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5625] close(4 [pid 5624] <... sendto resumed>) = 60 [pid 5621] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5625] <... close resumed>) = 0 [pid 5624] recvfrom(3 [pid 5623] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5622] <... socket resumed>) = 4 [pid 5621] close(4 [pid 5625] sendto(3, [{nlmsg_len=48, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x01\x00\xac\x14\x14\xbb\x0a\x00\x02\x00\xbb\xaa\xaa\xaa\xaa\xaa\x00\x00"], 48, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5624] <... recvfrom resumed>, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=60, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5623] close(4 [pid 5622] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 5621] <... close resumed>) = 0 [pid 5625] <... sendto resumed>) = 48 [pid 5624] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5623] <... close resumed>) = 0 [pid 5625] recvfrom(3 [pid 5624] <... socket resumed>) = 4 [pid 5623] sendto(3, [{nlmsg_len=44, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x00\x0b\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x0a\x00\x01\x00\xaa\xaa\xaa\xaa\xaa\xaa\x00\x00"], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5622] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5621] sendto(3, [{nlmsg_len=40, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x18\x00\x00\x0b\x00\x00\x00\x08\x00\x02\x00\xac\x14\x14\xaa\x08\x00\x01\x00\xac\x14\x14\xaa"], 40, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5625] <... recvfrom resumed>, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=48, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5624] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 5622] close(4 [pid 5624] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5625] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5624] close(4 [pid 5622] <... close resumed>) = 0 [pid 5624] <... close resumed>) = 0 [pid 5624] sendto(3, [{nlmsg_len=44, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x00\x0b\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x0a\x00\x01\x00\xaa\xaa\xaa\xaa\xaa\xaa\x00\x00"], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5625] <... socket resumed>) = 4 [pid 5622] sendto(3, [{nlmsg_len=60, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}, "\x0a\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x14\x00\x01\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xbb\x0a\x00\x02\x00\xbb\xaa\xaa\xaa\xaa\xaa\x00\x00"], 60, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5625] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0 [pid 5625] close(4) = 0 [pid 5625] sendto(3, [{nlmsg_len=60, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}, "\x0a\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x14\x00\x01\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xbb\x0a\x00\x02\x00\xbb\xaa\xaa\xaa\xaa\xaa\x00\x00"], 60, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5623] <... sendto resumed>) = 44 [pid 5623] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=44, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5621] <... sendto resumed>) = 40 [pid 5623] close(3) = 0 [pid 5623] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5625] <... sendto resumed>) = 60 [pid 5624] <... sendto resumed>) = 44 [pid 5622] <... sendto resumed>) = 60 [pid 5621] recvfrom(3 [pid 5625] recvfrom(3 [pid 5624] recvfrom(3 [pid 5623] <... openat resumed>) = 3 [pid 5622] recvfrom(3 [pid 5621] <... recvfrom resumed>, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=40, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5625] <... recvfrom resumed>, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=60, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5624] <... recvfrom resumed>, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=44, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5623] write(3, "100000", 6 [pid 5622] <... recvfrom resumed>, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=60, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5621] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5625] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5624] close(3 [pid 5623] <... write resumed>) = 6 [pid 5625] <... socket resumed>) = 4 [pid 5623] close(3 [pid 5622] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5621] <... socket resumed>) = 4 [pid 5625] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 5624] <... close resumed>) = 0 [pid 5623] <... close resumed>) = 0 [pid 5625] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5624] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5622] <... socket resumed>) = 4 [pid 5621] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 5625] close(4 [pid 5623] mkdir("./syz-tmp", 0777 [pid 5625] <... close resumed>) = 0 [pid 5624] <... openat resumed>) = 3 [pid 5622] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 5621] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5625] sendto(3, [{nlmsg_len=44, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x00\x0b\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x0a\x00\x01\x00\xaa\xaa\xaa\xaa\xaa\xaa\x00\x00"], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5624] write(3, "100000", 6 [pid 5622] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5621] close(4 [pid 5624] <... write resumed>) = 6 [pid 5622] close(4 [pid 5621] <... close resumed>) = 0 [pid 5624] close(3 [pid 5622] <... close resumed>) = 0 [pid 5621] sendto(3, [{nlmsg_len=64, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}, "\x0a\x78\x00\x00\x0b\x00\x00\x00\x14\x00\x02\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\x14\x00\x01\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa"], 64, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5625] <... sendto resumed>) = 44 [pid 5624] <... close resumed>) = 0 [pid 5622] sendto(3, [{nlmsg_len=44, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x00\x0b\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x0a\x00\x01\x00\xaa\xaa\xaa\xaa\xaa\xaa\x00\x00"], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5625] recvfrom(3 [pid 5624] mkdir("./syz-tmp", 0777 [pid 5623] <... mkdir resumed>) = 0 [pid 5621] <... sendto resumed>) = 64 [pid 5625] <... recvfrom resumed>, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=44, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5625] close(3 [pid 5624] <... mkdir resumed>) = 0 [pid 5623] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5621] recvfrom(3 [pid 5625] <... close resumed>) = 0 [pid 5625] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 [pid 5623] <... mount resumed>) = 0 [pid 5622] <... sendto resumed>) = 44 [pid 5621] <... recvfrom resumed>, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=64, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5625] write(3, "100000", 6 [pid 5624] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5623] mkdir("./syz-tmp/newroot", 0777 [pid 5622] recvfrom(3 [pid 5621] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5625] <... write resumed>) = 6 [pid 5624] <... mount resumed>) = 0 [pid 5622] <... recvfrom resumed>, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=44, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5621] <... socket resumed>) = 4 [pid 5625] close(3 [pid 5624] mkdir("./syz-tmp/newroot", 0777 [pid 5623] <... mkdir resumed>) = 0 [pid 5622] close(3 [pid 5621] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 5625] <... close resumed>) = 0 [pid 5624] <... mkdir resumed>) = 0 [pid 5625] mkdir("./syz-tmp", 0777 [pid 5622] <... close resumed>) = 0 [pid 5621] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5624] mkdir("./syz-tmp/newroot/dev", 0700) = 0 [pid 5623] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5622] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5621] close(4 [pid 5623] <... mkdir resumed>) = 0 [pid 5622] <... openat resumed>) = 3 [pid 5624] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5621] <... close resumed>) = 0 [pid 5622] write(3, "100000", 6 [pid 5621] sendto(3, [{nlmsg_len=48, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x01\x00\xac\x14\x14\xbb\x0a\x00\x02\x00\xbb\xaa\xaa\xaa\xaa\xaa\x00\x00"], 48, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5625] <... mkdir resumed>) = 0 [pid 5623] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5622] <... write resumed>) = 6 [pid 5622] close(3 [pid 5621] <... sendto resumed>) = 48 [pid 5622] <... close resumed>) = 0 [pid 5622] mkdir("./syz-tmp", 0777 [pid 5625] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5624] <... mount resumed>) = 0 [pid 5623] <... mount resumed>) = 0 [pid 5621] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=48, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5625] <... mount resumed>) = 0 [pid 5624] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5623] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5625] mkdir("./syz-tmp/newroot", 0777 [pid 5622] <... mkdir resumed>) = 0 [pid 5621] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5624] <... mkdir resumed>) = 0 [pid 5623] <... mkdir resumed>) = 0 [pid 5622] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5621] <... socket resumed>) = 4 [pid 5625] <... mkdir resumed>) = 0 [pid 5624] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5623] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5625] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5621] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 5625] <... mkdir resumed>) = 0 [pid 5624] <... mount resumed>) = 0 [pid 5623] <... mount resumed>) = 0 [pid 5625] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5624] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5623] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5625] <... mount resumed>) = 0 [pid 5624] <... mkdir resumed>) = 0 [pid 5623] <... mkdir resumed>) = 0 [pid 5621] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5625] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5624] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5623] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5621] close(4 [pid 5623] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5621] <... close resumed>) = 0 [pid 5624] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5623] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5621] sendto(3, [{nlmsg_len=60, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}, "\x0a\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x14\x00\x01\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xbb\x0a\x00\x02\x00\xbb\xaa\xaa\xaa\xaa\xaa\x00\x00"], 60, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5625] <... mkdir resumed>) = 0 [pid 5624] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5623] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5622] <... mount resumed>) = 0 [pid 5621] <... sendto resumed>) = 60 [pid 5625] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5622] mkdir("./syz-tmp/newroot", 0777 [pid 5624] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5623] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5625] <... mount resumed>) = 0 [pid 5624] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5622] <... mkdir resumed>) = 0 [pid 5621] recvfrom(3 [pid 5625] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5624] <... mkdir resumed>) = 0 [pid 5623] <... mkdir resumed>) = 0 [pid 5622] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5621] <... recvfrom resumed>, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=60, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5625] <... mkdir resumed>) = 0 [pid 5624] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5623] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5622] <... mkdir resumed>) = 0 [pid 5621] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0 [pid 5625] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5622] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5625] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5621] <... socket resumed>) = 4 [pid 5625] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5621] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun" [pid 5625] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5621] <... ioctl resumed>, ifr_ifindex=11}) = 0 [pid 5625] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5623] <... mount resumed>) = 0 [pid 5621] close(4 [pid 5622] <... mount resumed>) = 0 [pid 5625] <... mkdir resumed>) = 0 [pid 5622] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5621] <... close resumed>) = 0 [pid 5623] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5622] <... mkdir resumed>) = 0 [pid 5621] sendto(3, [{nlmsg_len=44, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x00\x0b\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x0a\x00\x01\x00\xaa\xaa\xaa\xaa\xaa\xaa\x00\x00"], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12 [pid 5625] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5624] <... mount resumed>) = 0 [pid 5622] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5624] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 5623] <... mount resumed>) = 0 [pid 5621] <... sendto resumed>) = 44 [pid 5622] <... mount resumed>) = 0 [pid 5621] recvfrom(3 [pid 5622] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5621] <... recvfrom resumed>, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=44, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 [pid 5625] <... mount resumed>) = 0 [pid 5624] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5623] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5622] <... mkdir resumed>) = 0 [pid 5621] close(3 [pid 5625] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5622] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5621] <... close resumed>) = 0 [pid 5621] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5622] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5621] <... openat resumed>) = 3 [pid 5625] <... mount resumed>) = 0 [pid 5622] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5621] write(3, "100000", 6 [pid 5625] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5623] <... mount resumed>) = 0 [pid 5622] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5621] <... write resumed>) = 6 [pid 5625] <... mount resumed>) = 0 [pid 5623] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5622] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5625] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5624] <... mount resumed>) = 0 [pid 5621] close(3 [pid 5624] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5622] <... mkdir resumed>) = 0 [pid 5621] <... close resumed>) = 0 [pid 5622] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5621] mkdir("./syz-tmp", 0777) = 0 [pid 5624] <... mount resumed>) = 0 [pid 5623] <... mount resumed>) = 0 [pid 5621] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5624] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0 [pid 5623] mkdir("./syz-tmp/newroot/syz-inputs", 0700 [pid 5622] <... mount resumed>) = 0 [pid 5624] mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, MS_RDONLY|MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5623] <... mkdir resumed>) = 0 [pid 5622] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5623] mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, MS_RDONLY|MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5625] <... mount resumed>) = 0 [pid 5625] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0 [pid 5625] mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, MS_RDONLY|MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5622] <... mount resumed>) = 0 [pid 5621] <... mount resumed>) = 0 [pid 5622] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5621] mkdir("./syz-tmp/newroot", 0777 [pid 5622] <... mount resumed>) = 0 [pid 5621] <... mkdir resumed>) = 0 [pid 5623] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5622] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5625] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5624] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5621] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5625] mkdir("./syz-tmp/pivot", 0777 [pid 5623] mkdir("./syz-tmp/pivot", 0777 [pid 5622] <... mount resumed>) = 0 [pid 5625] <... mkdir resumed>) = 0 [pid 5624] mkdir("./syz-tmp/pivot", 0777 [pid 5621] <... mkdir resumed>) = 0 [pid 5625] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5624] <... mkdir resumed>) = 0 [pid 5623] <... mkdir resumed>) = 0 [pid 5622] mkdir("./syz-tmp/newroot/syz-inputs", 0700 [pid 5621] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5624] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5622] <... mkdir resumed>) = 0 [pid 5623] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5622] mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, MS_RDONLY|MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 5622] mkdir("./syz-tmp/pivot", 0777) = 0 [pid 5622] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5621] <... mount resumed>) = 0 [pid 5621] mkdir("./syz-tmp/newroot/proc", 0700) = 0 [pid 5625] <... pivot_root resumed>) = 0 [pid 5624] <... pivot_root resumed>) = 0 [pid 5623] <... pivot_root resumed>) = 0 [pid 5622] <... pivot_root resumed>) = 0 [pid 5625] chdir("/" [pid 5624] chdir("/" [pid 5623] chdir("/" [pid 5622] chdir("/" [pid 5621] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5625] <... chdir resumed>) = 0 [pid 5624] <... chdir resumed>) = 0 [pid 5623] <... chdir resumed>) = 0 [pid 5622] <... chdir resumed>) = 0 [pid 5621] <... mount resumed>) = 0 [pid 5625] umount2("./pivot", MNT_DETACH [pid 5624] umount2("./pivot", MNT_DETACH [pid 5623] umount2("./pivot", MNT_DETACH [pid 5622] umount2("./pivot", MNT_DETACH [pid 5621] mkdir("./syz-tmp/newroot/selinux", 0700) = 0 [pid 5621] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 5621] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 5621] mkdir("./syz-tmp/newroot/sys", 0700) = 0 [pid 5621] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 5621] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 5621] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 5621] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 5621] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0 [pid 5621] mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, MS_RDONLY|MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 5621] mkdir("./syz-tmp/pivot", 0777) = 0 [pid 5621] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0 [pid 5621] chdir("/" [pid 5622] <... umount2 resumed>) = 0 [pid 5622] chroot("./newroot") = 0 [pid 5621] <... chdir resumed>) = 0 [pid 5624] <... umount2 resumed>) = 0 [pid 5622] chdir("/" [pid 5625] <... umount2 resumed>) = 0 [pid 5624] chroot("./newroot" [pid 5623] <... umount2 resumed>) = 0 [pid 5622] <... chdir resumed>) = 0 [pid 5621] umount2("./pivot", MNT_DETACH [pid 5625] chroot("./newroot" [pid 5624] <... chroot resumed>) = 0 [pid 5623] chroot("./newroot" [pid 5624] chdir("/" [pid 5625] <... chroot resumed>) = 0 [pid 5624] <... chdir resumed>) = 0 [pid 5623] <... chroot resumed>) = 0 [pid 5622] mkdir("/dev/gadgetfs", 0777 [pid 5625] chdir("/" [pid 5624] mkdir("/dev/gadgetfs", 0777 [pid 5625] <... chdir resumed>) = 0 [pid 5623] chdir("/" [pid 5622] <... mkdir resumed>) = 0 [pid 5624] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5625] mkdir("/dev/gadgetfs", 0777 [pid 5624] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL [pid 5622] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL [pid 5625] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5623] <... chdir resumed>) = 0 [pid 5625] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL [pid 5623] mkdir("/dev/gadgetfs", 0777) = -1 EEXIST (File exists) [pid 5623] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL [pid 5624] <... mount resumed>) = 0 [pid 5625] <... mount resumed>) = 0 [pid 5623] <... mount resumed>) = 0 [pid 5622] <... mount resumed>) = 0 [pid 5621] <... umount2 resumed>) = 0 [pid 5624] mkdir("/dev/binderfs", 0777 [pid 5623] mkdir("/dev/binderfs", 0777 [pid 5625] mkdir("/dev/binderfs", 0777 [pid 5622] mkdir("/dev/binderfs", 0777 [pid 5625] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5624] <... mkdir resumed>) = 0 [pid 5623] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5621] chroot("./newroot" [pid 5622] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5625] mount("binder", "/dev/binderfs", "binder", 0, "stats=global" [pid 5624] mount("binder", "/dev/binderfs", "binder", 0, "stats=global" [pid 5623] mount("binder", "/dev/binderfs", "binder", 0, "stats=global" [pid 5622] mount("binder", "/dev/binderfs", "binder", 0, "stats=global" [pid 5621] <... chroot resumed>) = 0 [pid 5621] chdir("/") = 0 [pid 5621] mkdir("/dev/gadgetfs", 0777) = -1 EEXIST (File exists) [pid 5621] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = 0 [pid 5621] mkdir("/dev/binderfs", 0777) = -1 EEXIST (File exists) [pid 5621] mount("binder", "/dev/binderfs", "binder", 0, "stats=global" [pid 5622] <... mount resumed>) = 0 [pid 5622] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5621] <... mount resumed>) = 0 [pid 5625] <... mount resumed>) = 0 [pid 5624] <... mount resumed>) = 0 [pid 5623] <... mount resumed>) = 0 [pid 5622] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5621] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5625] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5623] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5622] mkdir("./0", 0777 [pid 5625] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5624] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5621] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5621] mkdir("./0", 0777) = 0 [pid 5625] mkdir("./0", 0777 [pid 5624] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5623] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5622] <... mkdir resumed>) = 0 [pid 5621] openat(AT_FDCWD, "/dev/loop0", O_RDONLY [pid 5624] mkdir("./0", 0777 [pid 5623] mkdir("./0", 0777 [pid 5622] openat(AT_FDCWD, "/dev/loop2", O_RDONLY [pid 5625] <... mkdir resumed>) = 0 [pid 5621] <... openat resumed>) = 3 [pid 5624] <... mkdir resumed>) = 0 [pid 5622] <... openat resumed>) = 3 [pid 5625] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5624] openat(AT_FDCWD, "/dev/loop3", O_RDONLY [pid 5621] ioctl(3, LOOP_CLR_FD [pid 5623] <... mkdir resumed>) = 0 [pid 5622] ioctl(3, LOOP_CLR_FD [pid 5625] <... openat resumed>) = 3 [pid 5624] <... openat resumed>) = 3 [pid 5623] openat(AT_FDCWD, "/dev/loop1", O_RDONLY [pid 5621] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5622] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5624] ioctl(3, LOOP_CLR_FD [pid 5622] close(3 [pid 5624] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5623] <... openat resumed>) = 3 [pid 5625] ioctl(3, LOOP_CLR_FD [pid 5624] close(3 [pid 5622] <... close resumed>) = 0 [pid 5621] close(3 [pid 5622] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5621] <... close resumed>) = 0 [pid 5622] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5625] close(3 [pid 5624] <... close resumed>) = 0 [pid 5623] ioctl(3, LOOP_CLR_FD [pid 5622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5621] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5625] <... close resumed>) = 0 [pid 5624] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5623] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5621] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5632 attached [pid 5625] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5623] close(3 [pid 5621] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5632] set_robust_list(0x5555649de7a0, 24 [pid 5625] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5623] <... close resumed>) = 0 [pid 5632] <... set_robust_list resumed>) = 0 [pid 5625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5623] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5632] rt_sigprocmask(SIG_SETMASK, []ci2-upstream-fs/strace-static-x86_64: Process 5633 attached [pid 5623] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5633] set_robust_list(0x5555649de7a0, 24 [pid 5623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5633] <... set_robust_list resumed>) = 0 [pid 5632] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5624] <... clone resumed>, child_tidptr=0x5555649de790) = 2 [pid 5633] rt_sigprocmask(SIG_SETMASK, [] [pid 5632] chdir("./0" [pid 5624] rt_sigprocmask(SIG_SETMASK, [] [pid 5622] <... clone resumed>, child_tidptr=0x5555649de790) = 2 [pid 5632] <... chdir resumed>) = 0 [pid 5624] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5622] rt_sigprocmask(SIG_SETMASK, [] [pid 5633] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5632] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5622] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5633] chdir("./0" [pid 5632] <... prctl resumed>) = 0 [pid 5633] <... chdir resumed>) = 0 [pid 5632] setpgid(0, 0 [pid 5633] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5632] <... setpgid resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5634 attached ci2-upstream-fs/strace-static-x86_64: Process 5636 attached [pid 5633] <... prctl resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5635 attached [pid 5634] set_robust_list(0x5555649de7a0, 24 [pid 5636] set_robust_list(0x5555649de7a0, 24 [pid 5633] setpgid(0, 0 [pid 5632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5625] <... clone resumed>, child_tidptr=0x5555649de790) = 2 [pid 5623] <... clone resumed>, child_tidptr=0x5555649de790) = 2 [pid 5621] <... clone resumed>, child_tidptr=0x5555649de790) = 2 [pid 5635] set_robust_list(0x5555649de7a0, 24 [pid 5634] <... set_robust_list resumed>) = 0 [pid 5636] <... set_robust_list resumed>) = 0 [pid 5633] <... setpgid resumed>) = 0 [pid 5632] <... openat resumed>) = 3 [pid 5623] rt_sigprocmask(SIG_SETMASK, [] [pid 5621] rt_sigprocmask(SIG_SETMASK, [] [pid 5635] <... set_robust_list resumed>) = 0 [pid 5634] rt_sigprocmask(SIG_SETMASK, [] [pid 5636] rt_sigprocmask(SIG_SETMASK, [] [pid 5633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5625] rt_sigprocmask(SIG_SETMASK, [] [pid 5635] rt_sigprocmask(SIG_SETMASK, [] [pid 5634] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5636] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5632] write(3, "1000", 4 [pid 5625] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5623] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5621] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5635] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5634] chdir("./0" [pid 5636] chdir("./0" [pid 5633] <... openat resumed>) = 3 [pid 5632] <... write resumed>) = 4 [pid 5635] chdir("./0" [pid 5634] <... chdir resumed>) = 0 [pid 5636] <... chdir resumed>) = 0 [pid 5633] write(3, "1000", 4 [pid 5632] close(3 [pid 5635] <... chdir resumed>) = 0 [pid 5634] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5636] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5633] <... write resumed>) = 4 [pid 5632] <... close resumed>) = 0 [pid 5635] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5634] <... prctl resumed>) = 0 [pid 5636] <... prctl resumed>) = 0 [pid 5633] close(3 [pid 5632] read(200 [pid 5635] <... prctl resumed>) = 0 [pid 5634] setpgid(0, 0 [pid 5636] setpgid(0, 0 [pid 5633] <... close resumed>) = 0 [pid 5635] setpgid(0, 0 [pid 5636] <... setpgid resumed>) = 0 [pid 5635] <... setpgid resumed>) = 0 [pid 5634] <... setpgid resumed>) = 0 [pid 5636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5633] read(200 [pid 5632] <... read resumed>, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 5635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5633] <... read resumed>, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 5632] read(200 [pid 5635] <... openat resumed>) = 3 [pid 5634] <... openat resumed>) = 3 [pid 5636] <... openat resumed>) = 3 [pid 5633] read(200 [pid 5632] <... read resumed>, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 5635] write(3, "1000", 4 [pid 5634] write(3, "1000", 4 [pid 5636] write(3, "1000", 4 [pid 5633] <... read resumed>, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 5632] read(200 [pid 5635] <... write resumed>) = 4 [pid 5634] <... write resumed>) = 4 [pid 5636] <... write resumed>) = 4 [pid 5633] read(200 [pid 5632] <... read resumed>, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 5635] close(3 [pid 5634] close(3 [pid 5636] close(3 [pid 5633] <... read resumed>, 0x7ffd53cefa10, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5635] <... close resumed>) = 0 [pid 5634] <... close resumed>) = 0 [pid 5636] <... close resumed>) = 0 [pid 5633] symlink("/dev/binderfs", "./binderfs" [pid 5632] read(200 [pid 5635] read(200 [pid 5634] read(200 [pid 5636] read(200 [pid 5633] <... symlink resumed>) = 0 [pid 5632] <... read resumed>, 0x7ffd53cefa10, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5635] <... read resumed>, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 5636] <... read resumed>, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 5636] read(200, 0x7ffd53cefa10, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5635] read(200 [pid 5634] <... read resumed>, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 5636] symlink("/dev/binderfs", "./binderfs" [pid 5633] write(1, "executing program\n", 18 executing program [pid 5632] symlink("/dev/binderfs", "./binderfs" [pid 5635] <... read resumed>, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 5634] read(200 [pid 5636] <... symlink resumed>) = 0 [pid 5633] <... write resumed>) = 18 [pid 5632] <... symlink resumed>) = 0 [pid 5635] read(200 [pid 5634] <... read resumed>, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 5636] write(1, "executing program\n", 18 [pid 5633] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 executing program executing program [pid 5632] write(1, "executing program\n", 18 [pid 5635] <... read resumed>, 0x7ffd53cefa10, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5634] read(200 [pid 5636] <... write resumed>) = 18 [pid 5633] <... futex resumed>) = 0 [pid 5632] <... write resumed>) = 18 [pid 5635] symlink("/dev/binderfs", "./binderfs" [pid 5634] <... read resumed>, 0x7ffd53cefa10, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5636] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5633] rt_sigaction(SIGRT_1, {sa_handler=0x7fcb98317070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcb982c8dc0} [pid 5632] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5635] <... symlink resumed>) = 0 [pid 5634] symlink("/dev/binderfs", "./binderfs" [pid 5636] <... futex resumed>) = 0 [pid 5633] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5632] <... futex resumed>) = 0 [pid 5636] rt_sigaction(SIGRT_1, {sa_handler=0x7fcb98317070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcb982c8dc0} [pid 5635] write(1, "executing program\n", 18 [pid 5636] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5636] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5635] <... write resumed>) = 18 executing program [pid 5636] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5635] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5633] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5635] <... futex resumed>) = 0 [pid 5636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5633] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5632] rt_sigaction(SIGRT_1, {sa_handler=0x7fcb98317070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcb982c8dc0} [pid 5635] rt_sigaction(SIGRT_1, {sa_handler=0x7fcb98317070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcb982c8dc0} [pid 5636] <... mmap resumed>) = 0x7fcb98290000 [pid 5636] mprotect(0x7fcb98291000, 131072, PROT_READ|PROT_WRITE [pid 5635] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5636] <... mprotect resumed>) = 0 [pid 5633] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5632] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5636] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5632] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5635] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5634] <... symlink resumed>) = 0 [pid 5636] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5633] <... mmap resumed>) = 0x7fcb98290000 [pid 5632] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5635] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5634] write(1, "executing program\n", 18 executing program [pid 5636] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb982b0990, parent_tid=0x7fcb982b0990, exit_signal=0, stack=0x7fcb98290000, stack_size=0x20200, tls=0x7fcb982b06c0} [pid 5633] mprotect(0x7fcb98291000, 131072, PROT_READ|PROT_WRITE [pid 5632] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0ci2-upstream-fs/strace-static-x86_64: Process 5637 attached [pid 5635] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5634] <... write resumed>) = 18 [pid 5633] <... mprotect resumed>) = 0 [pid 5632] <... mmap resumed>) = 0x7fcb98290000 [pid 5637] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5635] <... mmap resumed>) = 0x7fcb98290000 [pid 5634] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5636] <... clone3 resumed> => {parent_tid=[3]}, 88) = 3 [pid 5633] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5632] mprotect(0x7fcb98291000, 131072, PROT_READ|PROT_WRITE [pid 5637] <... rseq resumed>) = 0 [pid 5635] mprotect(0x7fcb98291000, 131072, PROT_READ|PROT_WRITE [pid 5634] <... futex resumed>) = 0 [pid 5636] rt_sigprocmask(SIG_SETMASK, [] [pid 5633] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5632] <... mprotect resumed>) = 0 [pid 5637] set_robust_list(0x7fcb982b09a0, 24 [pid 5635] <... mprotect resumed>) = 0 [pid 5634] rt_sigaction(SIGRT_1, {sa_handler=0x7fcb98317070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcb982c8dc0} [pid 5636] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5637] <... set_robust_list resumed>) = 0 [pid 5635] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5634] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5636] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5633] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb982b0990, parent_tid=0x7fcb982b0990, exit_signal=0, stack=0x7fcb98290000, stack_size=0x20200, tls=0x7fcb982b06c0} [pid 5632] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5637] rt_sigprocmask(SIG_SETMASK, [] [pid 5635] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5634] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5636] <... futex resumed>) = 0 [pid 5637] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5635] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb982b0990, parent_tid=0x7fcb982b0990, exit_signal=0, stack=0x7fcb98290000, stack_size=0x20200, tls=0x7fcb982b06c0}ci2-upstream-fs/strace-static-x86_64: Process 5638 attached [pid 5637] memfd_create("syzkaller", 0 [pid 5634] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5636] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5632] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5639 attached [pid 5638] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5633] <... clone3 resumed> => {parent_tid=[3]}, 88) = 3 [pid 5632] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb982b0990, parent_tid=0x7fcb982b0990, exit_signal=0, stack=0x7fcb98290000, stack_size=0x20200, tls=0x7fcb982b06c0} [pid 5637] <... memfd_create resumed>) = 3 ci2-upstream-fs/strace-static-x86_64: Process 5640 attached [pid 5639] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5638] <... rseq resumed>) = 0 [pid 5635] <... clone3 resumed> => {parent_tid=[3]}, 88) = 3 [pid 5634] <... mmap resumed>) = 0x7fcb98290000 [pid 5633] rt_sigprocmask(SIG_SETMASK, [] [pid 5640] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5639] <... rseq resumed>) = 0 [pid 5638] set_robust_list(0x7fcb982b09a0, 24 [pid 5637] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5635] rt_sigprocmask(SIG_SETMASK, [] [pid 5634] mprotect(0x7fcb98291000, 131072, PROT_READ|PROT_WRITE [pid 5633] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5632] <... clone3 resumed> => {parent_tid=[3]}, 88) = 3 [pid 5640] <... rseq resumed>) = 0 [pid 5639] set_robust_list(0x7fcb982b09a0, 24 [pid 5638] <... set_robust_list resumed>) = 0 [pid 5637] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5635] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5634] <... mprotect resumed>) = 0 [pid 5633] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5632] rt_sigprocmask(SIG_SETMASK, [] [pid 5640] set_robust_list(0x7fcb982b09a0, 24 [pid 5639] <... set_robust_list resumed>) = 0 [pid 5638] rt_sigprocmask(SIG_SETMASK, [] [pid 5635] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5634] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5633] <... futex resumed>) = 0 [pid 5632] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5640] <... set_robust_list resumed>) = 0 [pid 5639] rt_sigprocmask(SIG_SETMASK, [] [pid 5638] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5634] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5633] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5632] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] rt_sigprocmask(SIG_SETMASK, [] [pid 5639] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5635] <... futex resumed>) = 0 [pid 5634] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb982b0990, parent_tid=0x7fcb982b0990, exit_signal=0, stack=0x7fcb98290000, stack_size=0x20200, tls=0x7fcb982b06c0} [pid 5632] <... futex resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5641 attached [pid 5640] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5639] memfd_create("syzkaller", 0 [pid 5638] memfd_create("syzkaller", 0 [pid 5635] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5632] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5641] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5639] <... memfd_create resumed>) = 3 [pid 5634] <... clone3 resumed> => {parent_tid=[3]}, 88) = 3 [pid 5641] <... rseq resumed>) = 0 [pid 5640] memfd_create("syzkaller", 0 [pid 5639] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5638] <... memfd_create resumed>) = 3 [pid 5634] rt_sigprocmask(SIG_SETMASK, [] [pid 5641] set_robust_list(0x7fcb982b09a0, 24 [pid 5639] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5634] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5641] <... set_robust_list resumed>) = 0 [pid 5640] <... memfd_create resumed>) = 3 [pid 5638] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5634] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fcb8fe90000 [pid 5638] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5634] <... futex resumed>) = 0 [pid 5641] rt_sigprocmask(SIG_SETMASK, [] [pid 5634] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5641] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5641] memfd_create("syzkaller", 0) = 3 [pid 5641] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fcb8fe90000 [pid 5637] 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 [pid 5639] 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 [pid 5641] 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 [pid 5640] 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 [pid 5638] 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 5638] munmap(0x7fcb8fe90000, 138412032) = 0 [pid 5638] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5638] ioctl(4, LOOP_SET_FD, 3 [pid 5639] <... write resumed>) = 1048576 [pid 5639] munmap(0x7fcb8fe90000, 138412032) = 0 [pid 5639] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5640] <... write resumed>) = 1048576 [pid 5639] <... openat resumed>) = 4 [pid 5639] ioctl(4, LOOP_SET_FD, 3 [pid 5640] munmap(0x7fcb8fe90000, 138412032) = 0 [pid 5640] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5641] <... write resumed>) = 1048576 [pid 5640] <... openat resumed>) = 4 [pid 5641] munmap(0x7fcb8fe90000, 138412032 [pid 5640] ioctl(4, LOOP_SET_FD, 3 [pid 5637] <... write resumed>) = 1048576 [pid 5641] <... munmap resumed>) = 0 [pid 5641] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5637] munmap(0x7fcb8fe90000, 138412032 [pid 5641] <... openat resumed>) = 4 [pid 5637] <... munmap resumed>) = 0 [pid 5639] <... ioctl resumed>) = 0 [pid 5641] ioctl(4, LOOP_SET_FD, 3 [pid 5639] close(3 [pid 5637] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5639] <... close resumed>) = 0 [pid 5638] <... ioctl resumed>) = 0 [pid 5637] <... openat resumed>) = 4 [pid 5639] close(4 [pid 5637] ioctl(4, LOOP_SET_FD, 3 [pid 5641] <... ioctl resumed>) = 0 [pid 5641] close(3 [ 132.658892][ T5638] loop3: detected capacity change from 0 to 2048 [ 132.677360][ T5639] loop4: detected capacity change from 0 to 2048 [pid 5638] close(3 [pid 5641] <... close resumed>) = 0 [pid 5638] <... close resumed>) = 0 [pid 5641] close(4 [ 132.725629][ T5641] loop1: detected capacity change from 0 to 2048 [ 132.726040][ T5637] loop0: detected capacity change from 0 to 2048 [ 132.729353][ T5640] loop2: detected capacity change from 0 to 2048 [pid 5638] close(4 [pid 5640] <... ioctl resumed>) = 0 [pid 5637] <... ioctl resumed>) = 0 [pid 5640] close(3 [pid 5641] <... close resumed>) = 0 [pid 5639] <... close resumed>) = 0 [pid 5637] close(3 [pid 5640] <... close resumed>) = 0 [pid 5641] mkdir("./file1", 0777 [pid 5640] close(4 [pid 5639] mkdir("./file1", 0777 [pid 5637] <... close resumed>) = 0 [pid 5641] <... mkdir resumed>) = 0 [pid 5640] <... close resumed>) = 0 [pid 5637] close(4 [pid 5640] mkdir("./file1", 0777 [pid 5639] <... mkdir resumed>) = 0 [pid 5641] mount("/dev/loop1", "./file1", "udf", 0, "noadinicb,nostrict,mode=00000000000000000000004,uid=forget,noadinicb,umask=00000000000000040002000,l"... [pid 5640] <... mkdir resumed>) = 0 [pid 5639] mount("/dev/loop4", "./file1", "udf", 0, "noadinicb,nostrict,mode=00000000000000000000004,uid=forget,noadinicb,umask=00000000000000040002000,l"... [pid 5637] <... close resumed>) = 0 [pid 5640] mount("/dev/loop2", "./file1", "udf", 0, "noadinicb,nostrict,mode=00000000000000000000004,uid=forget,noadinicb,umask=00000000000000040002000,l"... [pid 5637] mkdir("./file1", 0777) = 0 [pid 5637] mount("/dev/loop0", "./file1", "udf", 0, "noadinicb,nostrict,mode=00000000000000000000004,uid=forget,noadinicb,umask=00000000000000040002000,l"... [pid 5638] <... close resumed>) = 0 [pid 5638] mkdir("./file1", 0777) = 0 [ 133.028774][ T5639] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 133.118607][ T5638] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5638] mount("/dev/loop3", "./file1", "udf", 0, "noadinicb,nostrict,mode=00000000000000000000004,uid=forget,noadinicb,umask=00000000000000040002000,l"... [pid 5641] <... mount resumed>) = 0 [pid 5641] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [ 133.184660][ T5641] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 133.215372][ T5637] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5641] chdir("./file1") = 0 [pid 5641] openat(AT_FDCWD, "/dev/loop1", O_RDONLY) = 4 [pid 5641] ioctl(4, LOOP_CLR_FD) = 0 [pid 5641] close(4) = 0 [pid 5641] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5640] <... mount resumed>) = 0 [pid 5638] <... mount resumed>) = 0 [pid 5637] <... mount resumed>) = 0 [pid 5634] <... futex resumed>) = 0 [pid 5641] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [ 133.256412][ T5640] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5640] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5639] <... mount resumed>) = 0 [pid 5638] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5637] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5634] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5640] <... openat resumed>) = 3 [pid 5638] <... openat resumed>) = 3 [pid 5637] <... openat resumed>) = 3 [pid 5634] <... futex resumed>) = 0 [pid 5641] link("./file1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5639] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5638] chdir("./file1" [pid 5637] chdir("./file1" [pid 5634] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5640] chdir("./file1" [pid 5637] <... chdir resumed>) = 0 [pid 5637] openat(AT_FDCWD, "/dev/loop0", O_RDONLY) = 4 [pid 5637] ioctl(4, LOOP_CLR_FD) = 0 [pid 5637] close(4 [pid 5640] <... chdir resumed>) = 0 [pid 5637] <... close resumed>) = 0 [pid 5640] openat(AT_FDCWD, "/dev/loop2", O_RDONLY [pid 5638] <... chdir resumed>) = 0 [pid 5637] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] <... openat resumed>) = 4 [pid 5639] <... openat resumed>) = 3 [pid 5637] <... futex resumed>) = 1 [pid 5638] openat(AT_FDCWD, "/dev/loop3", O_RDONLY [pid 5637] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5638] <... openat resumed>) = 4 [pid 5636] <... futex resumed>) = 0 [pid 5640] ioctl(4, LOOP_CLR_FD) = 0 [pid 5639] chdir("./file1" [pid 5638] ioctl(4, LOOP_CLR_FD [pid 5636] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] close(4 [pid 5639] <... chdir resumed>) = 0 [pid 5638] <... ioctl resumed>) = 0 [pid 5637] <... futex resumed>) = 0 [pid 5636] <... futex resumed>) = 1 [pid 5636] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5640] <... close resumed>) = 0 [pid 5639] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5638] close(4 [pid 5637] link("./file1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5638] <... close resumed>) = 0 [pid 5640] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5632] <... futex resumed>) = 0 [pid 5640] link("./file1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5639] <... openat resumed>) = 4 [pid 5632] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] ioctl(4, LOOP_CLR_FD [pid 5638] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5632] <... futex resumed>) = 0 [pid 5632] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5638] <... futex resumed>) = 1 [pid 5638] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5633] <... futex resumed>) = 0 [pid 5633] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5639] <... ioctl resumed>) = 0 [pid 5633] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5638] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5639] close(4) = 0 [pid 5638] link("./file1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5639] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5635] <... futex resumed>) = 0 [pid 5639] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5634] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5635] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] <... futex resumed>) = 0 [pid 5635] <... futex resumed>) = 1 [pid 5634] futex(0x7fcb9838fe3c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] link("./file1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5635] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5634] <... futex resumed>) = 0 [pid 5636] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5632] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5636] futex(0x7fcb9838fe3c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5633] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5632] futex(0x7fcb9838fe3c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5633] futex(0x7fcb9838fe3c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5632] <... futex resumed>) = 0 [pid 5634] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5633] <... futex resumed>) = 0 [pid 5632] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5634] <... mmap resumed>) = 0x7fcb9826f000 [pid 5636] <... futex resumed>) = 0 [pid 5633] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5632] <... mmap resumed>) = 0x7fcb9826f000 [pid 5634] mprotect(0x7fcb98270000, 131072, PROT_READ|PROT_WRITE [pid 5636] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5633] <... mmap resumed>) = 0x7fcb9826f000 [pid 5632] mprotect(0x7fcb98270000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5632] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5634] <... mprotect resumed>) = 0 [pid 5636] <... mmap resumed>) = 0x7fcb9826f000 [pid 5633] mprotect(0x7fcb98270000, 131072, PROT_READ|PROT_WRITE [pid 5632] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5636] mprotect(0x7fcb98270000, 131072, PROT_READ|PROT_WRITE [pid 5633] <... mprotect resumed>) = 0 [pid 5632] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb9828f990, parent_tid=0x7fcb9828f990, exit_signal=0, stack=0x7fcb9826f000, stack_size=0x20200, tls=0x7fcb9828f6c0}ci2-upstream-fs/strace-static-x86_64: Process 5644 attached [pid 5634] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5636] <... mprotect resumed>) = 0 [pid 5633] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5636] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5644] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5634] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5633] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5632] <... clone3 resumed> => {parent_tid=[4]}, 88) = 4 [pid 5644] <... rseq resumed>) = 0 [pid 5634] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb9828f990, parent_tid=0x7fcb9828f990, exit_signal=0, stack=0x7fcb9826f000, stack_size=0x20200, tls=0x7fcb9828f6c0} [pid 5636] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5645 attached [pid 5644] set_robust_list(0x7fcb9828f9a0, 24 [pid 5635] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5636] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb9828f990, parent_tid=0x7fcb9828f990, exit_signal=0, stack=0x7fcb9826f000, stack_size=0x20200, tls=0x7fcb9828f6c0} [pid 5633] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb9828f990, parent_tid=0x7fcb9828f990, exit_signal=0, stack=0x7fcb9826f000, stack_size=0x20200, tls=0x7fcb9828f6c0} [pid 5632] rt_sigprocmask(SIG_SETMASK, []ci2-upstream-fs/strace-static-x86_64: Process 5647 attached ci2-upstream-fs/strace-static-x86_64: Process 5646 attached [pid 5645] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5644] <... set_robust_list resumed>) = 0 [pid 5635] futex(0x7fcb9838fe3c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5634] <... clone3 resumed> => {parent_tid=[4]}, 88) = 4 [pid 5632] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5645] <... rseq resumed>) = 0 [pid 5635] <... futex resumed>) = 0 [pid 5634] rt_sigprocmask(SIG_SETMASK, [] [pid 5632] futex(0x7fcb9838fe38, FUTEX_WAKE_PRIVATE, 1000000 [pid 5644] rt_sigprocmask(SIG_SETMASK, [] [pid 5635] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5632] <... futex resumed>) = 0 [pid 5647] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5645] set_robust_list(0x7fcb9828f9a0, 24 [pid 5635] <... mmap resumed>) = 0x7fcb9826f000 [pid 5634] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5633] <... clone3 resumed> => {parent_tid=[4]}, 88) = 4 [pid 5632] futex(0x7fcb9838fe3c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5647] <... rseq resumed>) = 0 [pid 5645] <... set_robust_list resumed>) = 0 [pid 5644] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5635] mprotect(0x7fcb98270000, 131072, PROT_READ|PROT_WRITE [pid 5634] futex(0x7fcb9838fe38, FUTEX_WAKE_PRIVATE, 1000000 [pid 5633] rt_sigprocmask(SIG_SETMASK, [] [pid 5647] set_robust_list(0x7fcb9828f9a0, 24 [pid 5645] rt_sigprocmask(SIG_SETMASK, [] [pid 5644] mkdir(".", 0777 [pid 5635] <... mprotect resumed>) = 0 [pid 5634] <... futex resumed>) = 0 [pid 5636] <... clone3 resumed> => {parent_tid=[4]}, 88) = 4 [pid 5633] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5647] <... set_robust_list resumed>) = 0 [pid 5646] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5645] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5644] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5635] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5634] futex(0x7fcb9838fe3c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5647] rt_sigprocmask(SIG_SETMASK, [] [pid 5636] rt_sigprocmask(SIG_SETMASK, [] [pid 5633] futex(0x7fcb9838fe38, FUTEX_WAKE_PRIVATE, 1000000 [pid 5647] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5646] <... rseq resumed>) = 0 [pid 5633] <... futex resumed>) = 0 [pid 5645] mkdir(".", 0777 [pid 5644] mount(NULL, ".", 0x200000000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_POSIXACL|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5635] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5647] mkdir(".", 0777 [pid 5646] set_robust_list(0x7fcb9828f9a0, 24 [pid 5636] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5633] futex(0x7fcb9838fe3c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5647] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5645] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5635] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb9828f990, parent_tid=0x7fcb9828f990, exit_signal=0, stack=0x7fcb9826f000, stack_size=0x20200, tls=0x7fcb9828f6c0} [pid 5636] futex(0x7fcb9838fe38, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 5648 attached [pid 5647] mount(NULL, ".", 0x200000000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_POSIXACL|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5646] <... set_robust_list resumed>) = 0 [pid 5645] mount(NULL, ".", 0x200000000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_POSIXACL|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5641] <... link resumed>) = 0 [pid 5640] <... link resumed>) = 0 [pid 5638] <... link resumed>) = 0 [pid 5636] <... futex resumed>) = 0 [pid 5648] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5646] rt_sigprocmask(SIG_SETMASK, [] [pid 5641] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] <... link resumed>) = 0 [pid 5638] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5637] <... link resumed>) = 0 [pid 5636] futex(0x7fcb9838fe3c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5646] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5639] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5637] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5635] <... clone3 resumed> => {parent_tid=[4]}, 88) = 4 [pid 5648] <... rseq resumed>) = 0 [pid 5639] <... futex resumed>) = 0 [pid 5635] rt_sigprocmask(SIG_SETMASK, [] [pid 5648] set_robust_list(0x7fcb9828f9a0, 24 [pid 5646] mkdir(".", 0777 [pid 5639] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5635] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5648] <... set_robust_list resumed>) = 0 [pid 5635] futex(0x7fcb9838fe38, FUTEX_WAKE_PRIVATE, 1000000 [pid 5648] rt_sigprocmask(SIG_SETMASK, [] [pid 5646] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5641] <... futex resumed>) = 0 [pid 5640] <... futex resumed>) = 0 [pid 5638] <... futex resumed>) = 0 [pid 5637] <... futex resumed>) = 0 [pid 5648] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5646] mount(NULL, ".", 0x200000000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_POSIXACL|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5640] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5638] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5637] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5641] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5635] <... futex resumed>) = 0 [pid 5648] mkdir(".", 0777 [pid 5635] futex(0x7fcb9838fe3c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5648] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5648] mount(NULL, ".", 0x200000000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_POSIXACL|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5644] <... mount resumed>) = 0 [pid 5647] <... mount resumed>) = 0 [pid 5645] <... mount resumed>) = 0 [pid 5647] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5645] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5644] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5647] <... openat resumed>) = 4 [pid 5645] <... openat resumed>) = 4 [pid 5644] <... openat resumed>) = 4 [pid 5647] chdir("." [pid 5645] chdir("." [pid 5644] chdir("." [pid 5648] <... mount resumed>) = 0 [pid 5647] <... chdir resumed>) = 0 [pid 5646] <... mount resumed>) = 0 [pid 5645] <... chdir resumed>) = 0 [pid 5648] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5647] futex(0x7fcb9838fe3c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5646] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5645] futex(0x7fcb9838fe3c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5644] <... chdir resumed>) = 0 [pid 5644] futex(0x7fcb9838fe3c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5633] <... futex resumed>) = 0 [pid 5647] <... futex resumed>) = 1 [pid 5648] <... openat resumed>) = 4 [pid 5647] futex(0x7fcb9838fe38, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5646] <... openat resumed>) = 4 [pid 5645] <... futex resumed>) = 1 [pid 5644] <... futex resumed>) = 1 [pid 5634] <... futex resumed>) = 0 [pid 5633] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5632] <... futex resumed>) = 0 [pid 5648] chdir("." [pid 5646] chdir("." [pid 5645] futex(0x7fcb9838fe38, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5644] futex(0x7fcb9838fe38, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5638] <... futex resumed>) = 0 [pid 5634] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5633] <... futex resumed>) = 1 [pid 5632] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5648] <... chdir resumed>) = 0 [pid 5646] <... chdir resumed>) = 0 [pid 5641] <... futex resumed>) = 0 [pid 5640] <... futex resumed>) = 0 [pid 5638] openat(AT_FDCWD, NULL, O_RDONLY|O_CLOEXEC [pid 5634] <... futex resumed>) = 1 [pid 5633] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5632] <... futex resumed>) = 1 [pid 5648] futex(0x7fcb9838fe3c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5646] futex(0x7fcb9838fe3c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5641] openat(AT_FDCWD, NULL, O_RDONLY|O_CLOEXEC [pid 5640] openat(AT_FDCWD, NULL, O_RDONLY|O_CLOEXEC [pid 5638] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5634] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5648] <... futex resumed>) = 1 [pid 5641] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5640] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5638] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5632] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5648] futex(0x7fcb9838fe38, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5646] <... futex resumed>) = 1 [pid 5641] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5640] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] <... futex resumed>) = 1 [pid 5635] <... futex resumed>) = 0 [pid 5636] <... futex resumed>) = 0 [pid 5633] <... futex resumed>) = 0 [pid 5646] futex(0x7fcb9838fe38, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5641] <... futex resumed>) = 1 [pid 5640] <... futex resumed>) = 1 [pid 5638] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5635] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5634] <... futex resumed>) = 0 [pid 5636] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5632] <... futex resumed>) = 0 [pid 5641] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5640] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5639] <... futex resumed>) = 0 [pid 5638] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5637] <... futex resumed>) = 0 [pid 5635] <... futex resumed>) = 1 [pid 5634] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5636] <... futex resumed>) = 1 [pid 5633] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5641] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5640] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5638] memfd_create("syzkaller", 0 [pid 5637] openat(AT_FDCWD, NULL, O_RDONLY|O_CLOEXEC [pid 5634] <... futex resumed>) = 0 [pid 5636] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5632] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5641] memfd_create("syzkaller", 0 [pid 5640] memfd_create("syzkaller", 0 [pid 5639] openat(AT_FDCWD, NULL, O_RDONLY|O_CLOEXEC [pid 5638] <... memfd_create resumed>) = 5 [pid 5637] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5635] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5634] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5633] <... futex resumed>) = 0 [pid 5632] <... futex resumed>) = 0 [pid 5641] <... memfd_create resumed>) = 5 [pid 5640] <... memfd_create resumed>) = 5 [pid 5639] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5638] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5637] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5633] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5632] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5641] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5640] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5639] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5638] <... mmap resumed>) = 0x7fcb8fe6f000 [pid 5637] <... futex resumed>) = 1 [pid 5636] <... futex resumed>) = 0 [pid 5641] <... mmap resumed>) = 0x7fcb8fe6f000 [pid 5640] <... mmap resumed>) = 0x7fcb8fe6f000 [pid 5637] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5639] <... futex resumed>) = 1 [pid 5635] <... futex resumed>) = 0 [pid 5636] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5639] memfd_create("syzkaller", 0 [pid 5637] <... futex resumed>) = 0 [pid 5635] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5636] <... futex resumed>) = 1 [pid 5637] memfd_create("syzkaller", 0 [pid 5636] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5635] <... futex resumed>) = 0 [pid 5635] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5639] <... memfd_create resumed>) = 5 [pid 5639] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fcb8fe6f000 [pid 5641] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 [pid 5637] <... memfd_create resumed>) = 5 [pid 5640] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 [pid 5637] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5639] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 [pid 5638] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 [pid 5637] <... mmap resumed>) = 0x7fcb8fe6f000 [pid 5637] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 [pid 5638] <... write resumed>) = 1048576 [pid 5638] munmap(0x7fcb8fe6f000, 138412032 [pid 5639] <... write resumed>) = 1048576 [pid 5638] <... munmap resumed>) = 0 [pid 5641] <... write resumed>) = 1048576 [pid 5639] munmap(0x7fcb8fe6f000, 138412032) = 0 [pid 5641] munmap(0x7fcb8fe6f000, 138412032 [pid 5640] <... write resumed>) = 1048576 [pid 5638] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5639] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5641] <... munmap resumed>) = 0 [pid 5639] close(5 [pid 5641] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5640] munmap(0x7fcb8fe6f000, 138412032 [pid 5638] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5641] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5640] <... munmap resumed>) = 0 [pid 5638] close(5 [pid 5641] close(5 [pid 5640] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5640] close(5 [pid 5639] <... close resumed>) = 0 [pid 5637] <... write resumed>) = 1048576 [pid 5639] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5637] munmap(0x7fcb8fe6f000, 138412032 [pid 5635] <... futex resumed>) = 0 [pid 5639] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5637] <... munmap resumed>) = 0 [pid 5635] close(3) = 0 [pid 5635] close(4 [pid 5641] <... close resumed>) = 0 [pid 5635] <... close resumed>) = 0 [pid 5635] close(5 [pid 5637] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5637] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5635] close(6) = -1 EBADF (Bad file descriptor) [pid 5635] close(7) = -1 EBADF (Bad file descriptor) [pid 5637] close(5 [pid 5635] close(8 [pid 5641] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] <... futex resumed>) = 0 [pid 5641] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5634] close(3 [pid 5635] close(9 [pid 5634] <... close resumed>) = 0 [pid 5635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] close(4 [pid 5635] close(10 [pid 5634] <... close resumed>) = 0 [pid 5635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5635] close(11) = -1 EBADF (Bad file descriptor) [pid 5634] close(5) = -1 EBADF (Bad file descriptor) [pid 5634] close(6 [pid 5635] close(12 [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5638] <... close resumed>) = 0 [pid 5635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5635] close(13) = -1 EBADF (Bad file descriptor) [pid 5634] close(7 [pid 5640] <... close resumed>) = 0 [pid 5638] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5635] close(14 [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5640] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] close(8 [pid 5635] close(15 [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5640] <... futex resumed>) = 1 [pid 5638] <... futex resumed>) = 1 [pid 5635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] close(9 [pid 5633] <... futex resumed>) = 0 [pid 5632] <... futex resumed>) = 0 [pid 5640] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5638] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5635] close(16 [pid 5633] close(3 [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] close(3 [pid 5637] <... close resumed>) = 0 [pid 5635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] close(10 [pid 5633] <... close resumed>) = 0 [pid 5632] <... close resumed>) = 0 [pid 5635] close(17 [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(4 [pid 5632] close(4 [pid 5637] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] close(11 [pid 5633] <... close resumed>) = 0 [pid 5632] <... close resumed>) = 0 [pid 5637] <... futex resumed>) = 1 [pid 5635] close(18 [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] <... futex resumed>) = 0 [pid 5633] close(5 [pid 5632] close(5 [pid 5637] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] close(12 [pid 5636] close(3 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5635] close(19 [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] <... close resumed>) = 0 [pid 5633] close(6 [pid 5632] close(6 [pid 5635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] close(13 [pid 5636] close(4 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5635] close(20 [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] <... close resumed>) = 0 [pid 5633] close(7 [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] close(14 [pid 5636] close(5 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] close(7 [pid 5635] close(21 [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(8 [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] close(15 [pid 5636] close(6 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] close(8 [pid 5635] close(22 [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(9 [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] close(16 [pid 5636] close(7 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] close(9 [pid 5635] close(23 [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(10 [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] close(17 [pid 5636] close(8 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] close(10 [pid 5635] close(24 [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(11 [pid 5635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] close(18 [pid 5636] close(9 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5635] close(25 [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(12 [pid 5632] close(11 [pid 5635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] close(19 [pid 5636] close(10 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5635] close(26 [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(13 [pid 5632] close(12 [pid 5635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] close(20 [pid 5636] close(11 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(14 [pid 5636] close(12 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] close(13 [pid 5633] close(15 [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] close(14) = -1 EBADF (Bad file descriptor) [pid 5633] close(16 [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5635] close(27 [pid 5634] close(21 [pid 5632] close(13 [pid 5635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] close(15 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5635] close(28 [pid 5634] close(22 [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(17 [pid 5632] close(14 [pid 5635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] close(16 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5635] close(29 [pid 5634] close(23 [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(18 [pid 5632] close(15 [pid 5635] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] close(17 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5635] exit_group(0 [pid 5634] close(24 [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(19 [pid 5632] close(16 [pid 5648] <... futex resumed>) = ? [pid 5639] <... futex resumed>) = ? [pid 5635] <... exit_group resumed>) = ? [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] close(18 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5648] +++ exited with 0 +++ [pid 5639] +++ exited with 0 +++ [pid 5634] close(25 [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(20 [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5635] +++ exited with 0 +++ [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] close(19 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] close(17 [pid 5634] close(26 [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(21 [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] close(20 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] close(18 [pid 5625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- [pid 5634] close(27 [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(22 [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5625] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] close(21 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] close(19 [pid 5634] close(28 [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(23 [pid 5625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] close(22 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5625] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5634] close(29 [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(24 [pid 5632] close(20 [pid 5634] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] close(23 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5625] <... openat resumed>) = 3 [pid 5634] exit_group(0 [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(25 [pid 5632] close(21 [pid 5625] fstat(3 [pid 5645] <... futex resumed>) = ? [pid 5641] <... futex resumed>) = ? [pid 5634] <... exit_group resumed>) = ? [pid 5636] close(24 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5625] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=80, ...}) = 0 [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(26 [pid 5632] close(22 [pid 5636] close(25 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5625] getdents64(3 [pid 5641] +++ exited with 0 +++ [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(27 [pid 5632] close(23 [pid 5636] close(26 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5625] <... getdents64 resumed>, 0x5555649df850 /* 4 entries */, 32768) = 112 [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(28 [pid 5632] close(24 [pid 5636] close(27 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] close(29 [pid 5632] close(25 [pid 5625] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5636] close(28 [pid 5633] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] exit_group(0 [pid 5636] close(29 [pid 5632] close(26 [pid 5638] <... futex resumed>) = ? [pid 5636] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] <... exit_group resumed>) = ? [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5647] <... futex resumed>) = ? [pid 5638] +++ exited with 0 +++ [pid 5647] +++ exited with 0 +++ [pid 5645] +++ exited with 0 +++ [pid 5634] +++ exited with 0 +++ [pid 5636] exit_group(0 [pid 5632] close(27 [pid 5646] <... futex resumed>) = ? [pid 5637] <... futex resumed>) = ? [pid 5636] <... exit_group resumed>) = ? [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 5646] +++ exited with 0 +++ [pid 5632] close(28 [pid 5623] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5633] +++ exited with 0 +++ [pid 5632] close(29 [pid 5623] <... restart_syscall resumed>) = 0 [pid 5632] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5632] exit_group(0 [pid 5644] <... futex resumed>) = ? [pid 5644] +++ exited with 0 +++ [pid 5624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 5640] <... futex resumed>) = ? [pid 5632] <... exit_group resumed>) = ? [pid 5624] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5623] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5637] +++ exited with 0 +++ [pid 5636] +++ exited with 0 +++ [pid 5624] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5640] +++ exited with 0 +++ [pid 5632] +++ exited with 0 +++ [pid 5624] <... openat resumed>) = 3 [pid 5624] fstat(3 [pid 5623] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=23 /* 0.23 s */} --- [pid 5621] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=16 /* 0.16 s */} --- [pid 5621] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 5624] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=80, ...}) = 0 [pid 5623] <... openat resumed>) = 3 [pid 5621] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5624] getdents64(3 [pid 5623] fstat(3 [pid 5624] <... getdents64 resumed>, 0x5555649df850 /* 4 entries */, 32768) = 112 [pid 5623] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=80, ...}) = 0 [pid 5621] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5624] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5623] getdents64(3 [pid 5622] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5623] <... getdents64 resumed>, 0x5555649df850 /* 4 entries */, 32768) = 112 [pid 5621] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5623] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5622] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5622] fstat(3, {st_mode=S_IFDIR|0700, st_size=80, ...}) = 0 [pid 5621] <... openat resumed>) = 3 [pid 5622] getdents64(3 [pid 5621] fstat(3 [pid 5622] <... getdents64 resumed>, 0x5555649df850 /* 4 entries */, 32768) = 112 [pid 5621] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=80, ...}) = 0 [pid 5622] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5621] getdents64(3, 0x5555649df850 /* 4 entries */, 32768) = 112 [pid 5621] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5625] <... umount2 resumed>) = 0 [pid 5625] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5625] newfstatat(AT_FDCWD, "./0/file1", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5625] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5625] openat(AT_FDCWD, "./0/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5625] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 5625] getdents64(4, 0x5555649e7890 /* 2 entries */, 32768) = 48 [pid 5625] getdents64(4, 0x5555649e7890 /* 0 entries */, 32768) = 0 [pid 5625] close(4) = 0 [pid 5625] rmdir("./0/file1" [pid 5623] <... umount2 resumed>) = 0 [pid 5623] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5623] newfstatat(AT_FDCWD, "./0/file1", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5625] <... rmdir resumed>) = 0 [pid 5623] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5625] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5623] openat(AT_FDCWD, "./0/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5623] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 5623] getdents64(4, 0x5555649e7890 /* 2 entries */, 32768) = 48 [pid 5623] getdents64(4, 0x5555649e7890 /* 0 entries */, 32768) = 0 [pid 5623] close(4) = 0 [pid 5623] rmdir("./0/file1" [pid 5625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5625] newfstatat(AT_FDCWD, "./0/binderfs" [pid 5623] <... rmdir resumed>) = 0 [pid 5623] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5623] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5623] unlink("./0/binderfs" [pid 5625] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5623] <... unlink resumed>) = 0 [pid 5623] getdents64(3, 0x5555649df850 /* 0 entries */, 32768) = 0 [pid 5625] unlink("./0/binderfs" [pid 5623] close(3) = 0 [pid 5623] rmdir("./0") = 0 [pid 5623] mkdir("./1", 0777) = 0 [pid 5625] <... unlink resumed>) = 0 [pid 5623] openat(AT_FDCWD, "/dev/loop1", O_RDONLY [pid 5625] getdents64(3 [pid 5621] <... umount2 resumed>) = 0 [pid 5623] <... openat resumed>) = 3 [pid 5623] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5623] close(3 [pid 5625] <... getdents64 resumed>, 0x5555649df850 /* 0 entries */, 32768) = 0 [pid 5623] <... close resumed>) = 0 [pid 5621] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5625] close(3 [pid 5623] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5621] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5621] newfstatat(AT_FDCWD, "./0/file1" [pid 5625] <... close resumed>) = 0 [pid 5621] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5649 attached [pid 5625] rmdir("./0" [pid 5621] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5649] set_robust_list(0x5555649de7a0, 24 [pid 5625] <... rmdir resumed>) = 0 [pid 5624] <... umount2 resumed>) = 0 [pid 5623] <... clone resumed>, child_tidptr=0x5555649de790) = 5 [pid 5621] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5649] <... set_robust_list resumed>) = 0 [pid 5625] mkdir("./1", 0777 [pid 5624] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5623] rt_sigprocmask(SIG_SETMASK, [] [pid 5621] openat(AT_FDCWD, "./0/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5649] rt_sigprocmask(SIG_SETMASK, [] [pid 5625] <... mkdir resumed>) = 0 [pid 5649] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5625] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5623] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5621] <... openat resumed>) = 4 [pid 5649] chdir("./1" [pid 5624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5622] <... umount2 resumed>) = 0 [pid 5649] <... chdir resumed>) = 0 [pid 5621] fstat(4 [pid 5649] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5625] <... openat resumed>) = 3 [pid 5624] newfstatat(AT_FDCWD, "./0/file1" [pid 5622] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5621] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 5625] ioctl(3, LOOP_CLR_FD [pid 5622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5624] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5622] newfstatat(AT_FDCWD, "./0/file1" [pid 5621] getdents64(4 [pid 5649] <... prctl resumed>) = 0 [pid 5625] close(3 [pid 5624] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5622] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5621] <... getdents64 resumed>, 0x5555649e7890 /* 2 entries */, 32768) = 48 [pid 5625] <... close resumed>) = 0 [pid 5622] umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5649] setpgid(0, 0 [pid 5625] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5621] getdents64(4 [pid 5649] <... setpgid resumed>) = 0 [pid 5625] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5624] openat(AT_FDCWD, "./0/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5622] openat(AT_FDCWD, "./0/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5621] <... getdents64 resumed>, 0x5555649e7890 /* 0 entries */, 32768) = 0 [pid 5649] <... openat resumed>) = 3 [pid 5625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5624] <... openat resumed>) = 4 [pid 5624] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 5624] getdents64(4 [pid 5649] write(3, "1000", 4 [pid 5624] <... getdents64 resumed>, 0x5555649e7890 /* 2 entries */, 32768) = 48 [pid 5649] <... write resumed>) = 4 [pid 5624] getdents64(4 [pid 5622] <... openat resumed>) = 4 [pid 5621] close(4ci2-upstream-fs/strace-static-x86_64: Process 5650 attached [pid 5649] close(3 [pid 5625] <... clone resumed>, child_tidptr=0x5555649de790) = 5 [pid 5624] <... getdents64 resumed>, 0x5555649e7890 /* 0 entries */, 32768) = 0 [pid 5622] fstat(4 [pid 5621] <... close resumed>) = 0 [pid 5650] set_robust_list(0x5555649de7a0, 24 [pid 5649] <... close resumed>) = 0 [pid 5625] rt_sigprocmask(SIG_SETMASK, [] [pid 5624] close(4 [pid 5622] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 5621] rmdir("./0/file1" [pid 5650] <... set_robust_list resumed>) = 0 [pid 5625] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5622] getdents64(4 [pid 5650] rt_sigprocmask(SIG_SETMASK, [] [pid 5649] read(200 [pid 5624] <... close resumed>) = 0 [pid 5622] <... getdents64 resumed>, 0x5555649e7890 /* 2 entries */, 32768) = 48 [pid 5621] <... rmdir resumed>) = 0 [pid 5650] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5622] getdents64(4 [pid 5621] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5650] chdir("./1" [pid 5622] <... getdents64 resumed>, 0x5555649e7890 /* 0 entries */, 32768) = 0 [pid 5621] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5650] <... chdir resumed>) = 0 [pid 5649] <... read resumed>, 0x7ffd53cefa10, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5624] rmdir("./0/file1" [pid 5622] close(4 [pid 5621] newfstatat(AT_FDCWD, "./0/binderfs" [pid 5622] <... close resumed>) = 0 [pid 5650] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5649] symlink("/dev/binderfs", "./binderfs" [pid 5624] <... rmdir resumed>) = 0 [pid 5622] rmdir("./0/file1" [pid 5621] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5650] <... prctl resumed>) = 0 [pid 5649] <... symlink resumed>) = 0 [pid 5624] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5621] unlink("./0/binderfs" [pid 5622] <... rmdir resumed>) = 0 [pid 5649] write(1, "executing program\n", 18) = 18 [pid 5649] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5621] <... unlink resumed>) = 0 [pid 5622] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5650] setpgid(0, 0 executing program [pid 5621] getdents64(3 [pid 5624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5650] <... setpgid resumed>) = 0 [pid 5649] <... futex resumed>) = 0 [pid 5622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5621] <... getdents64 resumed>, 0x5555649df850 /* 0 entries */, 32768) = 0 [pid 5650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5649] rt_sigaction(SIGRT_1, {sa_handler=0x7fcb98317070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcb982c8dc0} [pid 5624] newfstatat(AT_FDCWD, "./0/binderfs" [pid 5650] <... openat resumed>) = 3 [pid 5649] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5622] newfstatat(AT_FDCWD, "./0/binderfs" [pid 5621] close(3 [pid 5624] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5649] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5622] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5621] <... close resumed>) = 0 [pid 5649] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5621] rmdir("./0" [pid 5650] write(3, "1000", 4 [pid 5624] unlink("./0/binderfs" [pid 5622] unlink("./0/binderfs" [pid 5650] <... write resumed>) = 4 [pid 5649] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5624] <... unlink resumed>) = 0 [pid 5622] <... unlink resumed>) = 0 [pid 5621] <... rmdir resumed>) = 0 [pid 5650] close(3 [pid 5649] <... mmap resumed>) = 0x7fcb98290000 [pid 5650] <... close resumed>) = 0 [pid 5624] getdents64(3 [pid 5622] getdents64(3 [pid 5621] mkdir("./1", 0777 [pid 5650] read(200 [pid 5624] <... getdents64 resumed>, 0x5555649df850 /* 0 entries */, 32768) = 0 [pid 5622] <... getdents64 resumed>, 0x5555649df850 /* 0 entries */, 32768) = 0 [pid 5649] mprotect(0x7fcb98291000, 131072, PROT_READ|PROT_WRITE [pid 5621] <... mkdir resumed>) = 0 [pid 5649] <... mprotect resumed>) = 0 [pid 5624] close(3 [pid 5622] close(3 [pid 5650] <... read resumed>, 0x7ffd53cefa10, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5624] <... close resumed>) = 0 [pid 5650] symlink("/dev/binderfs", "./binderfs" [pid 5649] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5622] <... close resumed>) = 0 [pid 5621] openat(AT_FDCWD, "/dev/loop0", O_RDONLY [pid 5650] <... symlink resumed>) = 0 [pid 5649] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5624] rmdir("./0" [pid 5622] rmdir("./0" [pid 5650] write(1, "executing program\n", 18 [pid 5649] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb982b0990, parent_tid=0x7fcb982b0990, exit_signal=0, stack=0x7fcb98290000, stack_size=0x20200, tls=0x7fcb982b06c0} [pid 5650] <... write resumed>) = 18 [pid 5624] <... rmdir resumed>) = 0 executing program [pid 5650] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 5652 attached ) = 0 [pid 5622] <... rmdir resumed>) = 0 [pid 5621] <... openat resumed>) = 3 [pid 5652] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5650] rt_sigaction(SIGRT_1, {sa_handler=0x7fcb98317070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcb982c8dc0} [pid 5649] <... clone3 resumed> => {parent_tid=[6]}, 88) = 6 [pid 5624] mkdir("./1", 0777 [pid 5622] mkdir("./1", 0777 [pid 5621] ioctl(3, LOOP_CLR_FD [pid 5652] <... rseq resumed>) = 0 [pid 5650] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5649] rt_sigprocmask(SIG_SETMASK, [] [pid 5624] <... mkdir resumed>) = 0 [pid 5652] set_robust_list(0x7fcb982b09a0, 24 [pid 5650] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5649] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5622] <... mkdir resumed>) = 0 [pid 5621] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5652] <... set_robust_list resumed>) = 0 [pid 5650] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5649] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5621] close(3 [pid 5652] rt_sigprocmask(SIG_SETMASK, [] [pid 5650] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5649] <... futex resumed>) = 0 [pid 5624] openat(AT_FDCWD, "/dev/loop3", O_RDONLY [pid 5622] openat(AT_FDCWD, "/dev/loop2", O_RDONLY [pid 5621] <... close resumed>) = 0 [pid 5652] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5650] <... mmap resumed>) = 0x7fcb98290000 [pid 5649] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5622] <... openat resumed>) = 3 [pid 5621] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5624] <... openat resumed>) = 3 [pid 5621] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5652] memfd_create("syzkaller", 0 [pid 5650] mprotect(0x7fcb98291000, 131072, PROT_READ|PROT_WRITE [pid 5622] ioctl(3, LOOP_CLR_FD [pid 5650] <... mprotect resumed>) = 0 [pid 5622] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5652] <... memfd_create resumed>) = 3 [pid 5622] close(3 [pid 5624] ioctl(3, LOOP_CLR_FD [pid 5650] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5624] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5622] <... close resumed>) = 0 [pid 5650] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5624] close(3 [pid 5652] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5622] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5624] <... close resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5653 attached [pid 5652] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5650] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb982b0990, parent_tid=0x7fcb982b0990, exit_signal=0, stack=0x7fcb98290000, stack_size=0x20200, tls=0x7fcb982b06c0} [pid 5622] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5624] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5621] <... clone resumed>, child_tidptr=0x5555649de790) = 5 [pid 5653] set_robust_list(0x5555649de7a0, 24 [pid 5621] rt_sigprocmask(SIG_SETMASK, []ci2-upstream-fs/strace-static-x86_64: Process 5655 attached , NULL, 8) = 0 [pid 5653] <... set_robust_list resumed>) = 0 [pid 5653] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5624] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5653] chdir("./1" [pid 5655] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5650] <... clone3 resumed> => {parent_tid=[6]}, 88) = 6 [pid 5624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5653] <... chdir resumed>) = 0 [pid 5653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5655] <... rseq resumed>) = 0 [pid 5650] rt_sigprocmask(SIG_SETMASK, [] [pid 5655] set_robust_list(0x7fcb982b09a0, 24 [pid 5650] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5653] setpgid(0, 0 [pid 5650] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5655] <... set_robust_list resumed>) = 0 [pid 5655] rt_sigprocmask(SIG_SETMASK, [] [pid 5653] <... setpgid resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5656 attached [pid 5653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-upstream-fs/strace-static-x86_64: Process 5657 attached [pid 5656] set_robust_list(0x5555649de7a0, 24 [pid 5655] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5653] <... openat resumed>) = 3 [pid 5650] <... futex resumed>) = 0 [pid 5622] <... clone resumed>, child_tidptr=0x5555649de790) = 5 [pid 5657] set_robust_list(0x5555649de7a0, 24 [pid 5656] <... set_robust_list resumed>) = 0 [pid 5655] memfd_create("syzkaller", 0 [pid 5653] write(3, "1000", 4 [pid 5650] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5657] <... set_robust_list resumed>) = 0 [pid 5656] rt_sigprocmask(SIG_SETMASK, [] [pid 5655] <... memfd_create resumed>) = 3 [pid 5653] <... write resumed>) = 4 [pid 5624] <... clone resumed>, child_tidptr=0x5555649de790) = 5 [pid 5622] rt_sigprocmask(SIG_SETMASK, [] [pid 5657] rt_sigprocmask(SIG_SETMASK, [] [pid 5656] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5655] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5653] close(3 [pid 5652] 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 [pid 5624] rt_sigprocmask(SIG_SETMASK, [] [pid 5622] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5657] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5656] chdir("./1" [pid 5655] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5653] <... close resumed>) = 0 [pid 5624] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5657] chdir("./1" [pid 5656] <... chdir resumed>) = 0 [pid 5653] read(200 [pid 5657] <... chdir resumed>) = 0 [pid 5656] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5653] <... read resumed>, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 5657] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5656] <... prctl resumed>) = 0 [pid 5653] read(200 [pid 5657] <... prctl resumed>) = 0 [pid 5653] <... read resumed>, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 5657] setpgid(0, 0 [pid 5656] setpgid(0, 0 [pid 5653] read(200 [pid 5657] <... setpgid resumed>) = 0 [pid 5656] <... setpgid resumed>) = 0 [pid 5653] <... read resumed>, 0x7ffd53cefa10, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5653] symlink("/dev/binderfs", "./binderfs" [pid 5656] <... openat resumed>) = 3 [pid 5653] <... symlink resumed>) = 0 [pid 5657] <... openat resumed>) = 3 [pid 5657] write(3, "1000", 4 [pid 5656] write(3, "1000", 4 [pid 5653] write(1, "executing program\n", 18 [pid 5657] <... write resumed>) = 4 [pid 5656] <... write resumed>) = 4 [pid 5653] <... write resumed>) = 18 [pid 5657] close(3 [pid 5656] close(3 [pid 5653] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5657] <... close resumed>) = 0 [pid 5656] <... close resumed>) = 0 [pid 5653] <... futex resumed>) = 0 [pid 5657] read(200 [pid 5656] read(200 [pid 5653] rt_sigaction(SIGRT_1, {sa_handler=0x7fcb98317070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcb982c8dc0} [pid 5657] <... read resumed>, "\x33\x33\x00\x00\x00\x16\xaa\xaa\xaa\xaa\xaa\xaa\x86\xdd\x60\x00\x00\x00\x00\x38\x00\x01\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x16\x3a\x00\x05\x02\x00\x00\x01\x00\x8f\x00\xc2\x46\x00\x00\x00\x02\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\xff\xaa\xaa\xaa\x04\x00\x00\x00\xff\x02\x00\x00\x00\x00"..., 1000) = 110 [pid 5656] <... read resumed>, 0x7ffd53cefa10, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5653] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5657] read(200 [pid 5656] symlink("/dev/binderfs", "./binderfs" [pid 5653] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5657] <... read resumed>, 0x7ffd53cefa10, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5656] <... symlink resumed>) = 0 [pid 5653] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 5657] symlink("/dev/binderfs", "./binderfs" [pid 5653] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5656] write(1, "executing program\n", 18 [pid 5657] <... symlink resumed>) = 0 [pid 5656] <... write resumed>) = 18 [pid 5655] 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 [pid 5653] <... mmap resumed>) = 0x7fcb98290000 [pid 5657] write(1, "executing program\n", 18 [pid 5656] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 executing program executing program [pid 5653] mprotect(0x7fcb98291000, 131072, PROT_READ|PROT_WRITE [pid 5657] <... write resumed>) = 18 [pid 5656] <... futex resumed>) = 0 [pid 5657] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5656] rt_sigaction(SIGRT_1, {sa_handler=0x7fcb98317070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcb982c8dc0} [pid 5653] <... mprotect resumed>) = 0 [pid 5657] <... futex resumed>) = 0 [pid 5656] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5657] rt_sigaction(SIGRT_1, {sa_handler=0x7fcb98317070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcb982c8dc0} [pid 5656] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5657] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5656] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5653] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5657] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5656] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5653] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5657] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5656] <... mmap resumed>) = 0x7fcb98290000 [pid 5653] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb982b0990, parent_tid=0x7fcb982b0990, exit_signal=0, stack=0x7fcb98290000, stack_size=0x20200, tls=0x7fcb982b06c0}ci2-upstream-fs/strace-static-x86_64: Process 5658 attached [pid 5657] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5656] mprotect(0x7fcb98291000, 131072, PROT_READ|PROT_WRITE [pid 5657] <... mmap resumed>) = 0x7fcb98290000 [pid 5658] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5657] mprotect(0x7fcb98291000, 131072, PROT_READ|PROT_WRITE [pid 5656] <... mprotect resumed>) = 0 [pid 5658] <... rseq resumed>) = 0 [pid 5657] <... mprotect resumed>) = 0 [pid 5656] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5653] <... clone3 resumed> => {parent_tid=[6]}, 88) = 6 [pid 5657] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5656] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5653] rt_sigprocmask(SIG_SETMASK, [] [pid 5656] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb982b0990, parent_tid=0x7fcb982b0990, exit_signal=0, stack=0x7fcb98290000, stack_size=0x20200, tls=0x7fcb982b06c0} [pid 5658] set_robust_list(0x7fcb982b09a0, 24 [pid 5653] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5659 attached [pid 5658] <... set_robust_list resumed>) = 0 [pid 5659] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5658] rt_sigprocmask(SIG_SETMASK, [] [pid 5657] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5658] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5659] <... rseq resumed>) = 0 [pid 5658] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5657] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb982b0990, parent_tid=0x7fcb982b0990, exit_signal=0, stack=0x7fcb98290000, stack_size=0x20200, tls=0x7fcb982b06c0} [pid 5656] <... clone3 resumed> => {parent_tid=[6]}, 88) = 6 [pid 5653] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 5660 attached [pid 5659] set_robust_list(0x7fcb982b09a0, 24 [pid 5658] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5656] rt_sigprocmask(SIG_SETMASK, [] [pid 5653] <... futex resumed>) = 0 [pid 5660] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5659] <... set_robust_list resumed>) = 0 [pid 5658] memfd_create("syzkaller", 0 [pid 5657] <... clone3 resumed> => {parent_tid=[6]}, 88) = 6 [pid 5656] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5653] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5659] rt_sigprocmask(SIG_SETMASK, [] [pid 5657] rt_sigprocmask(SIG_SETMASK, [] [pid 5656] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] <... rseq resumed>) = 0 [pid 5659] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5658] <... memfd_create resumed>) = 3 [pid 5657] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5656] <... futex resumed>) = 0 [pid 5652] <... write resumed>) = 1048576 [pid 5660] set_robust_list(0x7fcb982b09a0, 24 [pid 5659] memfd_create("syzkaller", 0 [pid 5658] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5657] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5656] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5660] <... set_robust_list resumed>) = 0 [pid 5659] <... memfd_create resumed>) = 3 [pid 5658] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5657] <... futex resumed>) = 0 [pid 5652] munmap(0x7fcb8fe90000, 138412032 [pid 5660] rt_sigprocmask(SIG_SETMASK, [] [pid 5659] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5657] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5660] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5659] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5660] memfd_create("syzkaller", 0 [pid 5652] <... munmap resumed>) = 0 [pid 5652] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5660] <... memfd_create resumed>) = 3 [pid 5660] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5652] <... openat resumed>) = 4 [pid 5660] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5652] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5652] close(3 [pid 5658] 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 [pid 5652] <... close resumed>) = 0 [pid 5659] 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 [pid 5655] <... write resumed>) = 1048576 [pid 5652] close(4) = 0 [pid 5652] mkdir("./file1", 0777 [pid 5655] munmap(0x7fcb8fe90000, 138412032 [pid 5652] <... mkdir resumed>) = 0 [pid 5660] 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 [pid 5655] <... munmap resumed>) = 0 [pid 5652] mount("/dev/loop1", "./file1", "udf", 0, "noadinicb,nostrict,mode=00000000000000000000004,uid=forget,noadinicb,umask=00000000000000040002000,l"... [pid 5655] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5659] <... write resumed>) = 1048576 [pid 5659] munmap(0x7fcb8fe90000, 138412032 [pid 5655] <... openat resumed>) = 4 [ 134.788018][ T5652] loop1: detected capacity change from 0 to 2048 [pid 5659] <... munmap resumed>) = 0 [pid 5659] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5658] <... write resumed>) = 1048576 [pid 5655] ioctl(4, LOOP_SET_FD, 3 [pid 5659] <... openat resumed>) = 4 [pid 5658] munmap(0x7fcb8fe90000, 138412032 [pid 5659] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5655] <... ioctl resumed>) = 0 [pid 5659] close(3 [pid 5658] <... munmap resumed>) = 0 [pid 5659] <... close resumed>) = 0 [pid 5655] close(3 [pid 5659] close(4 [pid 5658] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5655] <... close resumed>) = 0 [pid 5658] <... openat resumed>) = 4 [pid 5655] close(4 [pid 5658] ioctl(4, LOOP_SET_FD, 3 [pid 5659] <... close resumed>) = 0 [pid 5655] <... close resumed>) = 0 [pid 5659] mkdir("./file1", 0777 [pid 5660] <... write resumed>) = 1048576 [pid 5659] <... mkdir resumed>) = 0 [pid 5655] mkdir("./file1", 0777 [ 134.866545][ T5659] loop2: detected capacity change from 0 to 2048 [ 134.867316][ T5655] loop4: detected capacity change from 0 to 2048 [pid 5659] mount("/dev/loop2", "./file1", "udf", 0, "noadinicb,nostrict,mode=00000000000000000000004,uid=forget,noadinicb,umask=00000000000000040002000,l"... [pid 5655] <... mkdir resumed>) = 0 [pid 5660] munmap(0x7fcb8fe90000, 138412032 [pid 5655] mount("/dev/loop4", "./file1", "udf", 0, "noadinicb,nostrict,mode=00000000000000000000004,uid=forget,noadinicb,umask=00000000000000040002000,l"... [pid 5660] <... munmap resumed>) = 0 [pid 5660] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5658] <... ioctl resumed>) = 0 [pid 5660] <... openat resumed>) = 4 [pid 5658] close(3 [pid 5660] ioctl(4, LOOP_SET_FD, 3 [pid 5658] <... close resumed>) = 0 [pid 5658] close(4) = 0 [pid 5658] mkdir("./file1", 0777) = 0 [pid 5659] <... mount resumed>) = 0 [ 134.953479][ T5658] loop0: detected capacity change from 0 to 2048 [ 134.978954][ T5659] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5658] mount("/dev/loop0", "./file1", "udf", 0, "noadinicb,nostrict,mode=00000000000000000000004,uid=forget,noadinicb,umask=00000000000000040002000,l"... [ 135.022965][ T5660] loop3: detected capacity change from 0 to 2048 [pid 5659] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5659] chdir("./file1") = 0 [pid 5659] openat(AT_FDCWD, "/dev/loop2", O_RDONLY [pid 5660] <... ioctl resumed>) = 0 [pid 5659] <... openat resumed>) = 4 [pid 5660] close(3) = 0 [pid 5659] ioctl(4, LOOP_CLR_FD) = 0 [pid 5659] close(4) = 0 [pid 5659] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5659] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5660] close(4) = 0 [pid 5660] mkdir("./file1", 0777) = 0 [pid 5656] <... futex resumed>) = 0 [pid 5656] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5659] <... futex resumed>) = 0 [pid 5656] <... futex resumed>) = 1 [pid 5659] link("./file1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5656] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5660] mount("/dev/loop3", "./file1", "udf", 0, "noadinicb,nostrict,mode=00000000000000000000004,uid=forget,noadinicb,umask=00000000000000040002000,l"... [pid 5656] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5656] futex(0x7fcb9838fe3c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5656] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcb9826f000 [pid 5656] mprotect(0x7fcb98270000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5656] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5656] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb9828f990, parent_tid=0x7fcb9828f990, exit_signal=0, stack=0x7fcb9826f000, stack_size=0x20200, tls=0x7fcb9828f6c0}ci2-upstream-fs/strace-static-x86_64: Process 5661 attached [pid 5661] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5656] <... clone3 resumed> => {parent_tid=[7]}, 88) = 7 [pid 5661] <... rseq resumed>) = 0 [pid 5656] rt_sigprocmask(SIG_SETMASK, [] [pid 5661] set_robust_list(0x7fcb9828f9a0, 24 [pid 5656] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5661] <... set_robust_list resumed>) = 0 [pid 5656] futex(0x7fcb9838fe38, FUTEX_WAKE_PRIVATE, 1000000 [pid 5661] rt_sigprocmask(SIG_SETMASK, [] [pid 5656] <... futex resumed>) = 0 [pid 5652] <... mount resumed>) = 0 [pid 5661] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5656] futex(0x7fcb9838fe3c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5652] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5661] mkdir(".", 0777 [pid 5652] <... openat resumed>) = 3 [pid 5661] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5652] chdir("./file1" [pid 5661] mount(NULL, ".", 0x200000000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_POSIXACL|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5652] <... chdir resumed>) = 0 [ 135.162256][ T5652] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 135.191654][ T5655] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5652] openat(AT_FDCWD, "/dev/loop1", O_RDONLY) = 4 [pid 5652] ioctl(4, LOOP_CLR_FD [pid 5658] <... mount resumed>) = 0 [pid 5655] <... mount resumed>) = 0 [pid 5652] <... ioctl resumed>) = 0 [pid 5658] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5655] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [ 135.223158][ T5658] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 135.256739][ T5660] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5652] close(4) = 0 [pid 5652] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5652] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5659] <... link resumed>) = 0 [pid 5649] <... futex resumed>) = 0 [pid 5649] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5659] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5652] <... futex resumed>) = 0 [pid 5649] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5659] <... futex resumed>) = 0 [pid 5652] link("./file1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5659] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5652] <... link resumed>) = 0 [pid 5652] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5649] <... futex resumed>) = 0 [pid 5652] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5649] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5652] mkdir(".", 0777 [pid 5649] <... futex resumed>) = 0 [pid 5652] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5649] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5652] mount(NULL, ".", 0x200000000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_POSIXACL|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5655] <... openat resumed>) = 3 [pid 5652] <... mount resumed>) = 0 [pid 5655] chdir("./file1" [pid 5652] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5660] <... mount resumed>) = 0 [pid 5655] <... chdir resumed>) = 0 [pid 5658] <... openat resumed>) = 3 [pid 5652] <... openat resumed>) = 4 [pid 5660] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5658] chdir("./file1" [pid 5652] chdir("." [pid 5655] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5660] <... openat resumed>) = 3 [pid 5652] <... chdir resumed>) = 0 [pid 5658] <... chdir resumed>) = 0 [pid 5660] chdir("./file1" [pid 5658] openat(AT_FDCWD, "/dev/loop0", O_RDONLY [pid 5652] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] <... chdir resumed>) = 0 [pid 5660] openat(AT_FDCWD, "/dev/loop3", O_RDONLY [pid 5658] <... openat resumed>) = 4 [pid 5655] <... openat resumed>) = 4 [pid 5652] <... futex resumed>) = 1 [pid 5649] <... futex resumed>) = 0 [pid 5652] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5660] <... openat resumed>) = 4 [pid 5658] ioctl(4, LOOP_CLR_FD [pid 5655] ioctl(4, LOOP_CLR_FD [pid 5652] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5649] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] ioctl(4, LOOP_CLR_FD [pid 5649] <... futex resumed>) = 0 [pid 5658] <... ioctl resumed>) = 0 [pid 5652] openat(AT_FDCWD, NULL, O_RDONLY|O_CLOEXEC [pid 5660] <... ioctl resumed>) = 0 [pid 5658] close(4 [pid 5655] <... ioctl resumed>) = 0 [pid 5649] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5652] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5660] close(4 [pid 5658] <... close resumed>) = 0 [pid 5655] close(4 [pid 5652] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5655] <... close resumed>) = 0 [pid 5652] <... futex resumed>) = 1 [pid 5660] <... close resumed>) = 0 [pid 5658] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] <... futex resumed>) = 0 [pid 5660] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5655] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] <... futex resumed>) = 1 [pid 5658] <... futex resumed>) = 1 [pid 5657] <... futex resumed>) = 0 [pid 5655] <... futex resumed>) = 1 [pid 5653] <... futex resumed>) = 0 [pid 5652] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5650] <... futex resumed>) = 0 [pid 5649] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5658] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5657] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5661] <... mount resumed>) = 0 [pid 5655] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5653] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5652] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5650] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] <... futex resumed>) = 0 [pid 5661] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5660] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5658] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5657] <... futex resumed>) = 0 [pid 5655] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5653] <... futex resumed>) = 0 [pid 5652] memfd_create("syzkaller", 0 [pid 5650] <... futex resumed>) = 0 [pid 5649] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5660] link("./file1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5658] link("./file1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5657] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5655] link("./file1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5653] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5652] <... memfd_create resumed>) = 5 [pid 5650] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5652] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5661] <... openat resumed>) = 4 [pid 5652] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5661] chdir("." [pid 5660] <... link resumed>) = 0 [pid 5661] <... chdir resumed>) = 0 [pid 5660] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5661] futex(0x7fcb9838fe3c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] <... futex resumed>) = 1 [pid 5660] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5657] <... futex resumed>) = 0 [pid 5661] <... futex resumed>) = 1 [pid 5656] <... futex resumed>) = 0 [pid 5656] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5661] futex(0x7fcb9838fe38, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5657] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] <... futex resumed>) = 0 [pid 5659] <... futex resumed>) = 0 [pid 5658] <... link resumed>) = 0 [pid 5657] <... futex resumed>) = 1 [pid 5656] <... futex resumed>) = 1 [pid 5655] <... link resumed>) = 0 [pid 5653] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5652] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 [pid 5650] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5660] mkdir(".", 0777 [pid 5659] openat(AT_FDCWD, NULL, O_RDONLY|O_CLOEXEC [pid 5658] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5657] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5656] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5655] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5653] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5650] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] mount(NULL, ".", 0x200000000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_POSIXACL|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5659] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5658] <... futex resumed>) = 0 [pid 5655] <... futex resumed>) = 0 [pid 5653] <... futex resumed>) = 0 [pid 5650] <... futex resumed>) = 0 [pid 5660] <... mount resumed>) = 0 [pid 5659] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5658] mkdir(".", 0777 [pid 5655] mkdir(".", 0777 [pid 5653] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5650] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5660] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5659] <... futex resumed>) = 1 [pid 5658] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5656] <... futex resumed>) = 0 [pid 5655] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5660] <... openat resumed>) = 4 [pid 5659] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5658] mount(NULL, ".", 0x200000000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_POSIXACL|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5660] chdir("." [pid 5659] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5656] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5655] mount(NULL, ".", 0x200000000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_POSIXACL|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5660] <... chdir resumed>) = 0 [pid 5659] memfd_create("syzkaller", 0) = 5 [pid 5658] <... mount resumed>) = 0 [pid 5656] <... futex resumed>) = 0 [pid 5660] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5659] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5658] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5656] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5658] <... openat resumed>) = 4 [pid 5658] chdir("." [pid 5660] <... futex resumed>) = 1 [pid 5657] <... futex resumed>) = 0 [pid 5657] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] openat(AT_FDCWD, NULL, O_RDONLY|O_CLOEXEC [pid 5659] <... mmap resumed>) = 0x7fcb8fe6f000 [pid 5660] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5658] <... chdir resumed>) = 0 [pid 5657] <... futex resumed>) = 0 [pid 5658] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5657] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5660] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5658] <... futex resumed>) = 1 [pid 5657] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5653] <... futex resumed>) = 0 [pid 5660] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5657] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5653] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5660] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5657] <... futex resumed>) = 0 [pid 5653] <... futex resumed>) = 0 [pid 5658] openat(AT_FDCWD, NULL, O_RDONLY|O_CLOEXEC [pid 5660] memfd_create("syzkaller", 0 [pid 5657] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5660] <... memfd_create resumed>) = 5 [pid 5658] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5653] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5660] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5659] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 [pid 5658] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5655] <... mount resumed>) = 0 [pid 5653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5652] <... write resumed>) = 1048576 [pid 5660] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5658] <... futex resumed>) = 0 [pid 5655] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5653] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5652] munmap(0x7fcb8fe90000, 138412032 [pid 5658] memfd_create("syzkaller", 0 [pid 5655] <... openat resumed>) = 4 [pid 5653] <... futex resumed>) = 0 [pid 5658] <... memfd_create resumed>) = 5 [pid 5658] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fcb8fe90000 [pid 5655] chdir("." [pid 5653] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5652] <... munmap resumed>) = 0 [pid 5655] <... chdir resumed>) = 0 [pid 5655] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5652] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5655] <... futex resumed>) = 1 [pid 5650] <... futex resumed>) = 0 [pid 5652] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5655] openat(AT_FDCWD, NULL, O_RDONLY|O_CLOEXEC [pid 5650] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5655] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5650] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5655] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5652] close(5 [pid 5660] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 [pid 5658] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 [pid 5655] <... futex resumed>) = 1 [pid 5650] <... futex resumed>) = 0 [pid 5655] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5650] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5655] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5650] <... futex resumed>) = 0 [pid 5655] memfd_create("syzkaller", 0 [pid 5650] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5655] <... memfd_create resumed>) = 5 [pid 5659] <... write resumed>) = 1048576 [pid 5655] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fcb8fe90000 [pid 5659] munmap(0x7fcb8fe6f000, 138412032) = 0 [pid 5659] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5652] <... close resumed>) = 0 [pid 5659] close(5 [pid 5655] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 [pid 5652] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5649] <... futex resumed>) = 0 [pid 5652] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5649] close(3) = 0 [pid 5649] close(4) = 0 [pid 5649] close(5) = -1 EBADF (Bad file descriptor) [pid 5649] close(6) = -1 EBADF (Bad file descriptor) [pid 5658] <... write resumed>) = 1048576 [pid 5649] close(7 [pid 5659] <... close resumed>) = 0 [pid 5658] munmap(0x7fcb8fe90000, 138412032) = 0 [pid 5660] <... write resumed>) = 1048576 [pid 5659] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5658] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] close(8 [pid 5660] munmap(0x7fcb8fe90000, 138412032 [pid 5659] <... futex resumed>) = 1 [pid 5658] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5656] <... futex resumed>) = 0 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5659] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5660] <... munmap resumed>) = 0 [pid 5658] close(5 [pid 5649] close(9 [pid 5660] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5655] <... write resumed>) = 1048576 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] close(10) = -1 EBADF (Bad file descriptor) [pid 5660] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5656] close(3 [pid 5655] munmap(0x7fcb8fe90000, 138412032 [pid 5649] close(11 [pid 5656] <... close resumed>) = 0 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5660] close(5 [pid 5656] close(4 [pid 5655] <... munmap resumed>) = 0 [pid 5649] close(12 [pid 5656] <... close resumed>) = 0 [pid 5655] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] close(5 [pid 5655] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5649] close(13 [pid 5660] <... close resumed>) = 0 [pid 5658] <... close resumed>) = 0 [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5655] close(5 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] close(6 [pid 5660] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] close(14 [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5658] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5656] close(7 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5660] <... futex resumed>) = 1 [pid 5658] <... futex resumed>) = 1 [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] <... futex resumed>) = 0 [pid 5660] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5657] <... futex resumed>) = 0 [pid 5656] close(8 [pid 5653] close(3 [pid 5649] close(15 [pid 5658] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5657] close(3 [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] <... close resumed>) = 0 [pid 5657] <... close resumed>) = 0 [pid 5656] close(9 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5657] close(4 [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] close(4 [pid 5657] <... close resumed>) = 0 [pid 5656] close(10 [pid 5653] <... close resumed>) = 0 [pid 5649] close(16 [pid 5657] close(5 [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] close(5 [pid 5657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] close(11 [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] close(17 [pid 5657] close(6) = -1 EBADF (Bad file descriptor) [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] close(12 [pid 5657] close(7 [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] close(13) = -1 EBADF (Bad file descriptor) [pid 5653] close(6 [pid 5649] close(18 [pid 5657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] close(14 [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5657] close(8 [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] close(15 [pid 5655] <... close resumed>) = 0 [pid 5653] close(7 [pid 5649] close(19 [pid 5657] close(9 [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5655] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] close(16 [pid 5655] <... futex resumed>) = 1 [pid 5653] close(8 [pid 5650] <... futex resumed>) = 0 [pid 5649] close(20 [pid 5657] close(10 [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5655] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5650] close(3 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] close(17 [pid 5653] close(9 [pid 5650] <... close resumed>) = 0 [pid 5649] close(21 [pid 5657] close(11 [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5650] close(4 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] close(18 [pid 5653] close(10 [pid 5650] <... close resumed>) = 0 [pid 5649] close(22 [pid 5657] close(12 [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5650] close(5 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] close(19 [pid 5653] close(11 [pid 5650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] close(23 [pid 5657] close(13 [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5650] close(6 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] close(20 [pid 5653] close(12 [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] close(13 [pid 5650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] close(24 [pid 5657] close(14 [pid 5656] close(21 [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5650] close(7 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] close(14 [pid 5650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] close(25 [pid 5657] close(15 [pid 5656] close(22 [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5650] close(8 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] close(15 [pid 5650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] close(26 [pid 5657] close(16 [pid 5656] close(23 [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5650] close(9 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] close(27 [pid 5657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] close(16 [pid 5650] close(10 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] close(28 [pid 5650] close(11 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] close(29 [pid 5650] close(12 [pid 5649] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5649] exit_group(0 [pid 5650] close(13 [pid 5652] <... futex resumed>) = ? [pid 5652] +++ exited with 0 +++ [pid 5649] <... exit_group resumed>) = ? [pid 5650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5657] close(17 [pid 5656] close(24 [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] close(17 [pid 5657] close(18 [pid 5656] close(25 [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] close(18 [pid 5657] close(19 [pid 5656] close(26 [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] close(19 [pid 5650] close(14 [pid 5657] close(20 [pid 5656] close(27 [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] close(20 [pid 5650] close(15 [pid 5649] +++ exited with 0 +++ [pid 5657] close(21 [pid 5656] close(28 [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] close(21 [pid 5650] close(16 [pid 5623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5657] close(22 [pid 5656] close(29 [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] close(22 [pid 5657] close(23 [pid 5656] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5650] close(17 [pid 5657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5656] exit_group(0 [pid 5653] close(23 [pid 5650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5657] close(24 [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] close(24 [pid 5661] <... futex resumed>) = ? [pid 5659] <... futex resumed>) = ? [pid 5657] close(25 [pid 5656] <... exit_group resumed>) = ? [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5650] close(18 [pid 5661] +++ exited with 0 +++ [pid 5659] +++ exited with 0 +++ [pid 5657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5650] close(19) = -1 EBADF (Bad file descriptor) [pid 5623] <... restart_syscall resumed>) = 0 [pid 5650] close(20 [pid 5653] close(25 [pid 5657] close(26 [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5650] close(21 [pid 5657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] close(26 [pid 5650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5657] close(27 [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5650] close(22 [pid 5623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] close(27 [pid 5650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5657] close(28 [pid 5650] close(23 [pid 5623] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] close(28 [pid 5650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] <... openat resumed>) = 3 [pid 5657] close(29 [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5650] close(24 [pid 5657] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5653] close(29 [pid 5650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] fstat(3 [pid 5653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5650] close(25 [pid 5657] exit_group(0 [pid 5623] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=80, ...}) = 0 [pid 5660] <... futex resumed>) = ? [pid 5657] <... exit_group resumed>) = ? [pid 5653] exit_group(0 [pid 5650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5660] +++ exited with 0 +++ [pid 5658] <... futex resumed>) = ? [pid 5656] +++ exited with 0 +++ [pid 5653] <... exit_group resumed>) = ? [pid 5650] close(26 [pid 5623] getdents64(3 [pid 5650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5650] close(27 [pid 5623] <... getdents64 resumed>, 0x5555649df850 /* 4 entries */, 32768) = 112 [pid 5622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5650] close(28 [pid 5623] umount2("./1/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5622] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5622] <... restart_syscall resumed>) = 0 [pid 5657] +++ exited with 0 +++ [pid 5650] close(29 [pid 5658] +++ exited with 0 +++ [pid 5653] +++ exited with 0 +++ [pid 5650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5650] exit_group(0 [pid 5624] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5655] <... futex resumed>) = ? [pid 5650] <... exit_group resumed>) = ? [pid 5624] <... restart_syscall resumed>) = 0 [pid 5622] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5621] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5621] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5622] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5621] <... restart_syscall resumed>) = 0 [pid 5622] <... openat resumed>) = 3 [pid 5624] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5622] fstat(3 [pid 5655] +++ exited with 0 +++ [pid 5650] +++ exited with 0 +++ [pid 5624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5622] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=80, ...}) = 0 [pid 5621] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5622] getdents64(3 [pid 5621] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5624] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5621] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5625] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5624] <... openat resumed>) = 3 [pid 5622] <... getdents64 resumed>, 0x5555649df850 /* 4 entries */, 32768) = 112 [pid 5621] <... openat resumed>) = 3 [pid 5625] <... restart_syscall resumed>) = 0 [pid 5624] fstat(3 [pid 5622] umount2("./1/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5621] fstat(3 [pid 5624] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=80, ...}) = 0 [pid 5621] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=80, ...}) = 0 [pid 5624] getdents64(3 [pid 5621] getdents64(3 [pid 5625] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5624] <... getdents64 resumed>, 0x5555649df850 /* 4 entries */, 32768) = 112 [pid 5621] <... getdents64 resumed>, 0x5555649df850 /* 4 entries */, 32768) = 112 [pid 5625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5625] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5624] umount2("./1/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5621] umount2("./1/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5625] <... openat resumed>) = 3 [pid 5625] fstat(3, {st_mode=S_IFDIR|0700, st_size=80, ...}) = 0 [pid 5625] getdents64(3, 0x5555649df850 /* 4 entries */, 32768) = 112 [pid 5625] umount2("./1/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5623] <... umount2 resumed>) = 0 [pid 5623] umount2("./1/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5623] newfstatat(AT_FDCWD, "./1/file1", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5623] umount2("./1/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5623] openat(AT_FDCWD, "./1/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5623] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 5623] getdents64(4, 0x5555649e7890 /* 2 entries */, 32768) = 48 [pid 5623] getdents64(4, 0x5555649e7890 /* 0 entries */, 32768) = 0 [pid 5623] close(4) = 0 [pid 5623] rmdir("./1/file1") = 0 [pid 5623] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5623] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5624] <... umount2 resumed>) = 0 [pid 5623] unlink("./1/binderfs" [pid 5624] umount2("./1/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5623] <... unlink resumed>) = 0 [pid 5624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5623] getdents64(3 [pid 5624] newfstatat(AT_FDCWD, "./1/file1" [pid 5623] <... getdents64 resumed>, 0x5555649df850 /* 0 entries */, 32768) = 0 [pid 5624] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5623] close(3 [pid 5624] umount2("./1/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5623] <... close resumed>) = 0 [pid 5624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5623] rmdir("./1" [pid 5624] openat(AT_FDCWD, "./1/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5623] <... rmdir resumed>) = 0 [pid 5624] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 5624] getdents64(4 [pid 5623] mkdir("./2", 0777 [pid 5624] <... getdents64 resumed>, 0x5555649e7890 /* 2 entries */, 32768) = 48 [pid 5623] <... mkdir resumed>) = 0 [pid 5624] getdents64(4 [pid 5623] openat(AT_FDCWD, "/dev/loop1", O_RDONLY [pid 5624] <... getdents64 resumed>, 0x5555649e7890 /* 0 entries */, 32768) = 0 [pid 5623] <... openat resumed>) = 3 [pid 5624] close(4) = 0 [pid 5624] rmdir("./1/file1" [pid 5623] ioctl(3, LOOP_CLR_FD [pid 5624] <... rmdir resumed>) = 0 [pid 5623] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5624] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5623] close(3 [pid 5624] newfstatat(AT_FDCWD, "./1/binderfs" [pid 5623] <... close resumed>) = 0 [pid 5624] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5624] unlink("./1/binderfs" [pid 5623] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5624] <... unlink resumed>) = 0 [pid 5623] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5624] getdents64(3 [pid 5623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5624] <... getdents64 resumed>, 0x5555649df850 /* 0 entries */, 32768) = 0 [pid 5624] close(3 [pid 5622] <... umount2 resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5663 attached [pid 5624] <... close resumed>) = 0 [pid 5622] umount2("./1/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5624] rmdir("./1" [pid 5623] <... clone resumed>, child_tidptr=0x5555649de790) = 7 [pid 5624] <... rmdir resumed>) = 0 [pid 5623] rt_sigprocmask(SIG_SETMASK, [] [pid 5622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5663] set_robust_list(0x5555649de7a0, 24 [pid 5624] mkdir("./2", 0777 [pid 5623] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5622] newfstatat(AT_FDCWD, "./1/file1" [pid 5663] <... set_robust_list resumed>) = 0 [pid 5622] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5663] rt_sigprocmask(SIG_SETMASK, [] [pid 5624] <... mkdir resumed>) = 0 [pid 5622] umount2("./1/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5663] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5663] chdir("./2" [pid 5625] <... umount2 resumed>) = 0 [pid 5622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5663] <... chdir resumed>) = 0 [pid 5663] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5622] openat(AT_FDCWD, "./1/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5663] <... prctl resumed>) = 0 [pid 5663] setpgid(0, 0 [pid 5625] umount2("./1/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5624] openat(AT_FDCWD, "/dev/loop3", O_RDONLY [pid 5622] <... openat resumed>) = 4 [pid 5625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5624] <... openat resumed>) = 3 [pid 5622] fstat(4 [pid 5625] newfstatat(AT_FDCWD, "./1/file1" [pid 5624] ioctl(3, LOOP_CLR_FD [pid 5663] <... setpgid resumed>) = 0 [pid 5625] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5624] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5622] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 5624] close(3 [pid 5622] getdents64(4 [pid 5663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5625] umount2("./1/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5624] <... close resumed>) = 0 [pid 5622] <... getdents64 resumed>, 0x5555649e7890 /* 2 entries */, 32768) = 48 [pid 5663] <... openat resumed>) = 3 [pid 5625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5624] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5622] getdents64(4 [pid 5663] write(3, "1000", 4 [pid 5622] <... getdents64 resumed>, 0x5555649e7890 /* 0 entries */, 32768) = 0 [pid 5663] <... write resumed>) = 4 [pid 5622] close(4 [pid 5663] close(3 [pid 5625] openat(AT_FDCWD, "./1/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5624] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5622] <... close resumed>) = 0 [pid 5663] <... close resumed>) = 0 [pid 5625] <... openat resumed>) = 4 [pid 5624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5622] rmdir("./1/file1" [pid 5663] read(200 [pid 5625] fstat(4 [pid 5622] <... rmdir resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5664 attached [pid 5663] <... read resumed>, 0x7ffd53cefa10, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5625] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 5663] symlink("/dev/binderfs", "./binderfs" [pid 5622] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5664] set_robust_list(0x5555649de7a0, 24 [pid 5663] <... symlink resumed>) = 0 [pid 5625] getdents64(4 [pid 5622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5664] <... set_robust_list resumed>) = 0 [pid 5663] write(1, "executing program\n", 18 [pid 5625] <... getdents64 resumed>, 0x5555649e7890 /* 2 entries */, 32768) = 48 executing program [pid 5624] <... clone resumed>, child_tidptr=0x5555649de790) = 7 [pid 5664] rt_sigprocmask(SIG_SETMASK, [] [pid 5663] <... write resumed>) = 18 [pid 5625] getdents64(4 [pid 5622] newfstatat(AT_FDCWD, "./1/binderfs" [pid 5664] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5663] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] <... getdents64 resumed>, 0x5555649e7890 /* 0 entries */, 32768) = 0 [pid 5624] rt_sigprocmask(SIG_SETMASK, [] [pid 5622] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5664] chdir("./2" [pid 5663] <... futex resumed>) = 0 [pid 5625] close(4 [pid 5624] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5622] unlink("./1/binderfs" [pid 5621] <... umount2 resumed>) = 0 [pid 5664] <... chdir resumed>) = 0 [pid 5625] <... close resumed>) = 0 [pid 5664] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5663] rt_sigaction(SIGRT_1, {sa_handler=0x7fcb98317070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcb982c8dc0} [pid 5625] rmdir("./1/file1" [pid 5622] <... unlink resumed>) = 0 [pid 5664] <... prctl resumed>) = 0 [pid 5621] umount2("./1/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5664] setpgid(0, 0) = 0 [pid 5664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5663] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5663] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5622] getdents64(3 [pid 5663] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5622] <... getdents64 resumed>, 0x5555649df850 /* 0 entries */, 32768) = 0 [pid 5663] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5622] close(3 [pid 5663] <... mmap resumed>) = 0x7fcb98290000 [pid 5622] <... close resumed>) = 0 [pid 5663] mprotect(0x7fcb98291000, 131072, PROT_READ|PROT_WRITE [pid 5622] rmdir("./1" [pid 5663] <... mprotect resumed>) = 0 [pid 5663] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5663] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb982b0990, parent_tid=0x7fcb982b0990, exit_signal=0, stack=0x7fcb98290000, stack_size=0x20200, tls=0x7fcb982b06c0}ci2-upstream-fs/strace-static-x86_64: Process 5665 attached [pid 5625] <... rmdir resumed>) = 0 [pid 5621] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5665] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5625] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5621] newfstatat(AT_FDCWD, "./1/file1" [pid 5665] <... rseq resumed>) = 0 [pid 5664] <... openat resumed>) = 3 [pid 5663] <... clone3 resumed> => {parent_tid=[8]}, 88) = 8 [pid 5625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5622] <... rmdir resumed>) = 0 [pid 5621] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5665] set_robust_list(0x7fcb982b09a0, 24 [pid 5664] write(3, "1000", 4 [pid 5625] newfstatat(AT_FDCWD, "./1/binderfs" [pid 5621] umount2("./1/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5665] <... set_robust_list resumed>) = 0 [pid 5664] <... write resumed>) = 4 [pid 5663] rt_sigprocmask(SIG_SETMASK, [] [pid 5625] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5622] mkdir("./2", 0777 [pid 5663] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5665] rt_sigprocmask(SIG_SETMASK, [] [pid 5664] close(3 [pid 5663] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] unlink("./1/binderfs" [pid 5622] <... mkdir resumed>) = 0 [pid 5621] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5665] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5664] <... close resumed>) = 0 [pid 5625] <... unlink resumed>) = 0 [pid 5663] <... futex resumed>) = 0 [pid 5621] openat(AT_FDCWD, "./1/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5622] openat(AT_FDCWD, "/dev/loop2", O_RDONLY [pid 5665] memfd_create("syzkaller", 0 [pid 5664] read(200 [pid 5663] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5625] getdents64(3 [pid 5622] <... openat resumed>) = 3 [pid 5621] <... openat resumed>) = 4 [pid 5665] <... memfd_create resumed>) = 3 [pid 5664] <... read resumed>, 0x7ffd53cefa10, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5625] <... getdents64 resumed>, 0x5555649df850 /* 0 entries */, 32768) = 0 [pid 5621] fstat(4 [pid 5665] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5664] symlink("/dev/binderfs", "./binderfs" [pid 5625] close(3 [pid 5621] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 5665] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5664] <... symlink resumed>) = 0 [pid 5625] <... close resumed>) = 0 [pid 5621] getdents64(4 [pid 5625] rmdir("./1" [pid 5621] <... getdents64 resumed>, 0x5555649e7890 /* 2 entries */, 32768) = 48 [pid 5625] <... rmdir resumed>) = 0 [pid 5621] getdents64(4 [pid 5664] write(1, "executing program\n", 18 [pid 5621] <... getdents64 resumed>, 0x5555649e7890 /* 0 entries */, 32768) = 0 [pid 5664] <... write resumed>) = 18 [pid 5625] mkdir("./2", 0777 [pid 5622] ioctl(3, LOOP_CLR_FD [pid 5621] close(4 [pid 5664] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] <... mkdir resumed>) = 0 [pid 5621] <... close resumed>) = 0 [pid 5664] <... futex resumed>) = 0 executing program [pid 5621] rmdir("./1/file1" [pid 5664] rt_sigaction(SIGRT_1, {sa_handler=0x7fcb98317070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcb982c8dc0} [pid 5621] <... rmdir resumed>) = 0 [pid 5625] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5622] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5664] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5625] <... openat resumed>) = 3 [pid 5622] close(3 [pid 5664] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5622] <... close resumed>) = 0 [pid 5621] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5622] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5664] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5625] ioctl(3, LOOP_CLR_FD [pid 5622] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5621] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5665] 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 [pid 5664] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5664] <... mmap resumed>) = 0x7fcb98290000 [pid 5625] close(3 [pid 5621] newfstatat(AT_FDCWD, "./1/binderfs" [pid 5664] mprotect(0x7fcb98291000, 131072, PROT_READ|PROT_WRITE [pid 5625] <... close resumed>) = 0 [pid 5625] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5664] <... mprotect resumed>) = 0 [pid 5625] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5666 attached [pid 5664] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5622] <... clone resumed>, child_tidptr=0x5555649de790) = 8 [pid 5666] set_robust_list(0x5555649de7a0, 24 [pid 5664] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5667 attached [pid 5666] <... set_robust_list resumed>) = 0 [pid 5665] <... write resumed>) = 1048576 [pid 5622] rt_sigprocmask(SIG_SETMASK, [] [pid 5621] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5667] set_robust_list(0x5555649de7a0, 24 [pid 5666] rt_sigprocmask(SIG_SETMASK, [] [pid 5665] munmap(0x7fcb8fe90000, 138412032 [pid 5664] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb982b0990, parent_tid=0x7fcb982b0990, exit_signal=0, stack=0x7fcb98290000, stack_size=0x20200, tls=0x7fcb982b06c0} [pid 5625] <... clone resumed>, child_tidptr=0x5555649de790) = 7 [pid 5622] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5621] unlink("./1/binderfs"ci2-upstream-fs/strace-static-x86_64: Process 5668 attached [pid 5667] <... set_robust_list resumed>) = 0 [pid 5665] <... munmap resumed>) = 0 [pid 5625] rt_sigprocmask(SIG_SETMASK, [] [pid 5666] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5668] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5667] rt_sigprocmask(SIG_SETMASK, [] [pid 5664] <... clone3 resumed> => {parent_tid=[8]}, 88) = 8 [pid 5625] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5621] <... unlink resumed>) = 0 [pid 5668] <... rseq resumed>) = 0 [pid 5667] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5666] chdir("./2" [pid 5665] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5664] rt_sigprocmask(SIG_SETMASK, [] [pid 5668] set_robust_list(0x7fcb982b09a0, 24) = 0 [pid 5667] chdir("./2" [pid 5666] <... chdir resumed>) = 0 [pid 5664] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5621] getdents64(3 [pid 5665] <... openat resumed>) = 4 [pid 5668] rt_sigprocmask(SIG_SETMASK, [] [pid 5664] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5664] <... futex resumed>) = 0 [pid 5668] memfd_create("syzkaller", 0 [pid 5667] <... chdir resumed>) = 0 [pid 5666] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5665] ioctl(4, LOOP_SET_FD, 3 [pid 5621] <... getdents64 resumed>, 0x5555649df850 /* 0 entries */, 32768) = 0 [pid 5667] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5666] <... prctl resumed>) = 0 [pid 5664] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5668] <... memfd_create resumed>) = 3 [pid 5668] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5665] <... ioctl resumed>) = 0 [pid 5621] close(3 [pid 5668] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5667] <... prctl resumed>) = 0 [pid 5666] setpgid(0, 0 [pid 5621] <... close resumed>) = 0 [pid 5667] setpgid(0, 0 [pid 5666] <... setpgid resumed>) = 0 [pid 5665] close(3 [pid 5667] <... setpgid resumed>) = 0 [pid 5666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5665] <... close resumed>) = 0 [pid 5621] rmdir("./1" [pid 5667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5666] <... openat resumed>) = 3 [pid 5665] close(4 [pid 5667] <... openat resumed>) = 3 [pid 5666] write(3, "1000", 4 [pid 5665] <... close resumed>) = 0 [pid 5621] <... rmdir resumed>) = 0 [pid 5665] mkdir("./file1", 0777 [pid 5667] write(3, "1000", 4 [pid 5666] <... write resumed>) = 4 [pid 5665] <... mkdir resumed>) = 0 [pid 5621] mkdir("./2", 0777 [pid 5667] <... write resumed>) = 4 [pid 5666] close(3 [pid 5667] close(3 [pid 5666] <... close resumed>) = 0 [pid 5667] <... close resumed>) = 0 [pid 5666] read(200, 0x7ffd53cefa10, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5666] symlink("/dev/binderfs", "./binderfs" [pid 5621] <... mkdir resumed>) = 0 [pid 5667] read(200 [pid 5666] <... symlink resumed>) = 0 [pid 5665] mount("/dev/loop1", "./file1", "udf", 0, "noadinicb,nostrict,mode=00000000000000000000004,uid=forget,noadinicb,umask=00000000000000040002000,l"... [pid 5621] openat(AT_FDCWD, "/dev/loop0", O_RDONLY [pid 5667] <... read resumed>, 0x7ffd53cefa10, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5666] write(1, "executing program\n", 18 [pid 5668] 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 [pid 5667] symlink("/dev/binderfs", "./binderfs" [pid 5621] <... openat resumed>) = 3 [pid 5666] <... write resumed>) = 18 executing program [pid 5667] <... symlink resumed>) = 0 [pid 5666] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5621] ioctl(3, LOOP_CLR_FD [pid 5666] <... futex resumed>) = 0 [pid 5621] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5666] rt_sigaction(SIGRT_1, {sa_handler=0x7fcb98317070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcb982c8dc0} [pid 5667] write(1, "executing program\n", 18 executing program [pid 5621] close(3 [pid 5667] <... write resumed>) = 18 [pid 5666] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5621] <... close resumed>) = 0 [pid 5667] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5667] <... futex resumed>) = 0 [pid 5666] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5621] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5667] rt_sigaction(SIGRT_1, {sa_handler=0x7fcb98317070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcb982c8dc0} [pid 5621] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5667] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5666] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5668] <... write resumed>) = 1048576 [pid 5667] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5666] <... mmap resumed>) = 0x7fcb98290000 [pid 5621] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5667] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5666] mprotect(0x7fcb98291000, 131072, PROT_READ|PROT_WRITE [pid 5667] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5666] <... mprotect resumed>) = 0 [pid 5668] munmap(0x7fcb8fe90000, 138412032 [pid 5667] <... mmap resumed>) = 0x7fcb98290000 [pid 5666] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5667] mprotect(0x7fcb98291000, 131072, PROT_READ|PROT_WRITE [pid 5666] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5667] <... mprotect resumed>) = 0 [pid 5666] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb982b0990, parent_tid=0x7fcb982b0990, exit_signal=0, stack=0x7fcb98290000, stack_size=0x20200, tls=0x7fcb982b06c0} [pid 5668] <... munmap resumed>) = 0 [pid 5667] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5668] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5668] ioctl(4, LOOP_SET_FD, 3ci2-upstream-fs/strace-static-x86_64: Process 5669 attached ci2-upstream-fs/strace-static-x86_64: Process 5670 attached [pid 5669] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5667] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5666] <... clone3 resumed> => {parent_tid=[9]}, 88) = 9 [pid 5669] <... rseq resumed>) = 0 [pid 5667] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb982b0990, parent_tid=0x7fcb982b0990, exit_signal=0, stack=0x7fcb98290000, stack_size=0x20200, tls=0x7fcb982b06c0} [pid 5666] rt_sigprocmask(SIG_SETMASK, [] [pid 5665] <... mount resumed>) = 0 [pid 5670] set_robust_list(0x5555649de7a0, 24 [pid 5621] <... clone resumed>, child_tidptr=0x5555649de790) = 7 [pid 5666] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5670] <... set_robust_list resumed>) = 0 [pid 5666] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5669] set_robust_list(0x7fcb982b09a0, 24ci2-upstream-fs/strace-static-x86_64: Process 5671 attached [pid 5670] rt_sigprocmask(SIG_SETMASK, [] [pid 5669] <... set_robust_list resumed>) = 0 [pid 5669] rt_sigprocmask(SIG_SETMASK, [] [pid 5666] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5665] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5670] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5670] chdir("./2" [pid 5669] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5665] <... openat resumed>) = 3 [pid 5621] rt_sigprocmask(SIG_SETMASK, [] [pid 5671] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5667] <... clone3 resumed> => {parent_tid=[8]}, 88) = 8 [pid 5671] <... rseq resumed>) = 0 [pid 5669] memfd_create("syzkaller", 0 [pid 5667] rt_sigprocmask(SIG_SETMASK, [] [pid 5621] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5670] <... chdir resumed>) = 0 [pid 5671] set_robust_list(0x7fcb982b09a0, 24 [pid 5670] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5669] <... memfd_create resumed>) = 3 [pid 5667] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5665] chdir("./file1" [pid 5671] <... set_robust_list resumed>) = 0 [pid 5670] <... prctl resumed>) = 0 [pid 5669] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5668] <... ioctl resumed>) = 0 [pid 5667] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5665] <... chdir resumed>) = 0 [pid 5671] rt_sigprocmask(SIG_SETMASK, [] [pid 5670] setpgid(0, 0 [pid 5669] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5667] <... futex resumed>) = 0 [pid 5665] openat(AT_FDCWD, "/dev/loop1", O_RDONLY [pid 5671] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5670] <... setpgid resumed>) = 0 [pid 5665] <... openat resumed>) = 4 [pid 5667] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5671] memfd_create("syzkaller", 0 [pid 5670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5668] close(3 [pid 5671] <... memfd_create resumed>) = 3 [pid 5670] <... openat resumed>) = 3 [pid 5665] ioctl(4, LOOP_CLR_FD [pid 5670] write(3, "1000", 4) = 4 [pid 5670] close(3) = 0 [pid 5670] read(200, 0x7ffd53cefa10, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5670] symlink("/dev/binderfs", "./binderfs" [pid 5671] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5668] <... close resumed>) = 0 [pid 5665] <... ioctl resumed>) = 0 [pid 5671] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5670] <... symlink resumed>) = 0 [pid 5668] close(4 [pid 5665] close(4 [pid 5670] write(1, "executing program\n", 18) = 18 [pid 5668] <... close resumed>) = 0 [pid 5670] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [ 136.489013][ T5665] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5668] mkdir("./file1", 0777 [pid 5670] <... futex resumed>) = 0 [pid 5670] rt_sigaction(SIGRT_1, {sa_handler=0x7fcb98317070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcb982c8dc0}, NULL, 8) = 0 [pid 5668] <... mkdir resumed>) = 0 [pid 5670] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5669] 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 [pid 5668] mount("/dev/loop3", "./file1", "udf", 0, "noadinicb,nostrict,mode=00000000000000000000004,uid=forget,noadinicb,umask=00000000000000040002000,l"... [pid 5665] <... close resumed>) = 0 [pid 5670] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5670] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5671] 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 [pid 5670] <... mmap resumed>) = 0x7fcb98290000 [pid 5665] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5670] mprotect(0x7fcb98291000, 131072, PROT_READ|PROT_WRITE [pid 5665] <... futex resumed>) = 1 [pid 5663] <... futex resumed>) = 0 [pid 5670] <... mprotect resumed>) = 0 [pid 5665] link("./file1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5663] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5670] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5663] <... futex resumed>) = 0 [pid 5670] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5663] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5670] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb982b0990, parent_tid=0x7fcb982b0990, exit_signal=0, stack=0x7fcb98290000, stack_size=0x20200, tls=0x7fcb982b06c0}ci2-upstream-fs/strace-static-x86_64: Process 5672 attached [pid 5672] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5670] <... clone3 resumed> => {parent_tid=[8]}, 88) = 8 [pid 5672] <... rseq resumed>) = 0 [pid 5670] rt_sigprocmask(SIG_SETMASK, [] [pid 5672] set_robust_list(0x7fcb982b09a0, 24 [pid 5670] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5672] <... set_robust_list resumed>) = 0 [pid 5670] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5670] <... futex resumed>) = 0 [pid 5665] <... link resumed>) = 0 [pid 5672] memfd_create("syzkaller", 0 [pid 5670] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5665] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5672] <... memfd_create resumed>) = 3 [pid 5665] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5672] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5668] <... mount resumed>) = 0 [pid 5663] <... futex resumed>) = 0 [pid 5672] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5669] <... write resumed>) = 1048576 [pid 5668] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5663] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5669] munmap(0x7fcb8fe90000, 138412032 [pid 5663] <... futex resumed>) = 1 [pid 5668] <... openat resumed>) = 3 [pid 5665] <... futex resumed>) = 0 [pid 5663] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5669] <... munmap resumed>) = 0 [pid 5668] chdir("./file1" [pid 5665] mkdir(".", 0777 [pid 5668] <... chdir resumed>) = 0 [pid 5665] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5668] openat(AT_FDCWD, "/dev/loop3", O_RDONLY [pid 5665] mount(NULL, ".", 0x200000000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_POSIXACL|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5671] <... write resumed>) = 1048576 [pid 5669] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5668] <... openat resumed>) = 4 [ 136.617582][ T5668] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5671] munmap(0x7fcb8fe90000, 138412032 [pid 5669] <... openat resumed>) = 4 [pid 5668] ioctl(4, LOOP_CLR_FD [pid 5671] <... munmap resumed>) = 0 [pid 5669] ioctl(4, LOOP_SET_FD, 3 [pid 5668] <... ioctl resumed>) = 0 [pid 5668] close(4) = 0 [pid 5671] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5669] <... ioctl resumed>) = 0 [pid 5668] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5671] <... openat resumed>) = 4 [pid 5668] <... futex resumed>) = 1 [pid 5664] <... futex resumed>) = 0 [pid 5668] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5664] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5669] close(3 [pid 5668] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5664] <... futex resumed>) = 0 [pid 5668] link("./file1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5669] <... close resumed>) = 0 [pid 5664] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5671] ioctl(4, LOOP_SET_FD, 3 [pid 5672] 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 [pid 5669] close(4) = 0 [pid 5665] <... mount resumed>) = 0 [pid 5672] <... write resumed>) = 1048576 [pid 5669] mkdir("./file1", 0777 [pid 5665] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5672] munmap(0x7fcb8fe90000, 138412032 [pid 5669] <... mkdir resumed>) = 0 [pid 5665] <... openat resumed>) = 4 [pid 5672] <... munmap resumed>) = 0 [pid 5669] mount("/dev/loop2", "./file1", "udf", 0, "noadinicb,nostrict,mode=00000000000000000000004,uid=forget,noadinicb,umask=00000000000000040002000,l"... [pid 5665] chdir("." [pid 5664] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5672] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5665] <... chdir resumed>) = 0 [pid 5672] <... openat resumed>) = 4 [pid 5665] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5664] futex(0x7fcb9838fe3c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] ioctl(4, LOOP_SET_FD, 3 [pid 5665] <... futex resumed>) = 1 [pid 5663] <... futex resumed>) = 0 [pid 5665] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5663] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5665] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5663] <... futex resumed>) = 0 [pid 5665] openat(AT_FDCWD, NULL, O_RDONLY|O_CLOEXEC [pid 5664] <... futex resumed>) = 0 [pid 5663] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5665] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5672] <... ioctl resumed>) = 0 [pid 5671] <... ioctl resumed>) = 0 [pid 5665] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5664] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5672] close(3 [pid 5671] close(3 [pid 5665] <... futex resumed>) = 1 [pid 5664] <... mmap resumed>) = 0x7fcb9826f000 [pid 5663] <... futex resumed>) = 0 [pid 5672] <... close resumed>) = 0 [pid 5671] <... close resumed>) = 0 [pid 5665] memfd_create("syzkaller", 0 [pid 5664] mprotect(0x7fcb98270000, 131072, PROT_READ|PROT_WRITE [pid 5663] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] close(4 [pid 5671] close(4 [pid 5665] <... memfd_create resumed>) = 5 [pid 5663] <... futex resumed>) = 0 [pid 5672] <... close resumed>) = 0 [pid 5671] <... close resumed>) = 0 [pid 5669] <... mount resumed>) = 0 [pid 5665] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5664] <... mprotect resumed>) = 0 [pid 5663] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5672] mkdir("./file1", 0777 [pid 5671] mkdir("./file1", 0777 [pid 5669] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5664] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5672] <... mkdir resumed>) = 0 [pid 5669] <... openat resumed>) = 3 [pid 5665] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5672] mount("/dev/loop0", "./file1", "udf", 0, "noadinicb,nostrict,mode=00000000000000000000004,uid=forget,noadinicb,umask=00000000000000040002000,l"... [pid 5671] <... mkdir resumed>) = 0 [pid 5669] chdir("./file1" [pid 5664] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5664] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb9828f990, parent_tid=0x7fcb9828f990, exit_signal=0, stack=0x7fcb9826f000, stack_size=0x20200, tls=0x7fcb9828f6c0} [pid 5669] <... chdir resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5674 attached [pid 5671] mount("/dev/loop4", "./file1", "udf", 0, "noadinicb,nostrict,mode=00000000000000000000004,uid=forget,noadinicb,umask=00000000000000040002000,l"... [pid 5669] openat(AT_FDCWD, "/dev/loop2", O_RDONLY [pid 5674] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5669] <... openat resumed>) = 4 [pid 5668] <... link resumed>) = 0 [pid 5674] <... rseq resumed>) = 0 [pid 5669] ioctl(4, LOOP_CLR_FD [pid 5664] <... clone3 resumed> => {parent_tid=[9]}, 88) = 9 [pid 5668] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5674] set_robust_list(0x7fcb9828f9a0, 24 [pid 5669] <... ioctl resumed>) = 0 [pid 5674] <... set_robust_list resumed>) = 0 [ 136.794217][ T5669] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5664] rt_sigprocmask(SIG_SETMASK, [] [pid 5674] rt_sigprocmask(SIG_SETMASK, [] [pid 5669] close(4 [pid 5668] <... futex resumed>) = 0 [pid 5665] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 [pid 5664] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5674] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5669] <... close resumed>) = 0 [pid 5668] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5669] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5664] futex(0x7fcb9838fe38, FUTEX_WAKE_PRIVATE, 1000000 [pid 5674] mkdir(".", 0777 [pid 5669] <... futex resumed>) = 1 [pid 5666] <... futex resumed>) = 0 [pid 5664] <... futex resumed>) = 0 [pid 5674] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5674] mount(NULL, ".", 0x200000000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_POSIXACL|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5669] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5666] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5664] futex(0x7fcb9838fe3c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5666] <... futex resumed>) = 0 [pid 5669] link("./file1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5666] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5672] <... mount resumed>) = 0 [pid 5672] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5672] chdir("./file1") = 0 [pid 5672] openat(AT_FDCWD, "/dev/loop0", O_RDONLY [pid 5674] <... mount resumed>) = 0 [pid 5671] <... mount resumed>) = 0 [pid 5666] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5666] futex(0x7fcb9838fe3c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5674] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5666] <... futex resumed>) = 0 [pid 5671] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5666] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5674] <... openat resumed>) = 4 [pid 5672] <... openat resumed>) = 4 [pid 5669] <... link resumed>) = 0 [pid 5674] chdir("." [pid 5672] ioctl(4, LOOP_CLR_FD [pid 5671] <... openat resumed>) = 3 [pid 5669] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] <... mmap resumed>) = 0x7fcb9826f000 [ 136.893720][ T5672] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 136.923508][ T5671] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5674] <... chdir resumed>) = 0 [pid 5672] <... ioctl resumed>) = 0 [pid 5671] chdir("./file1" [pid 5669] <... futex resumed>) = 0 [pid 5666] mprotect(0x7fcb98270000, 131072, PROT_READ|PROT_WRITE [pid 5674] futex(0x7fcb9838fe3c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] close(4 [pid 5671] <... chdir resumed>) = 0 [pid 5666] <... mprotect resumed>) = 0 [pid 5674] <... futex resumed>) = 1 [pid 5672] <... close resumed>) = 0 [pid 5671] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5669] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5666] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5664] <... futex resumed>) = 0 [pid 5665] <... write resumed>) = 1048576 [pid 5674] futex(0x7fcb9838fe38, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5672] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5671] <... openat resumed>) = 4 [pid 5665] munmap(0x7fcb8fe90000, 138412032 [pid 5672] <... futex resumed>) = 1 [pid 5671] ioctl(4, LOOP_CLR_FD [pid 5670] <... futex resumed>) = 0 [pid 5664] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] link("./file1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5671] <... ioctl resumed>) = 0 [pid 5670] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] <... futex resumed>) = 0 [pid 5666] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5665] <... munmap resumed>) = 0 [pid 5664] <... futex resumed>) = 1 [pid 5670] <... futex resumed>) = 0 [pid 5665] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5665] close(5 [pid 5664] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5670] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5666] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb9828f990, parent_tid=0x7fcb9828f990, exit_signal=0, stack=0x7fcb9826f000, stack_size=0x20200, tls=0x7fcb9828f6c0} [pid 5671] close(4ci2-upstream-fs/strace-static-x86_64: Process 5675 attached ) = 0 [pid 5668] openat(AT_FDCWD, NULL, O_RDONLY|O_CLOEXEC [pid 5671] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5666] <... clone3 resumed> => {parent_tid=[10]}, 88) = 10 [pid 5675] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5671] <... futex resumed>) = 1 [pid 5668] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] <... futex resumed>) = 0 [pid 5666] rt_sigprocmask(SIG_SETMASK, [] [pid 5675] <... rseq resumed>) = 0 [pid 5671] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5668] <... futex resumed>) = 1 [pid 5667] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5664] <... futex resumed>) = 0 [pid 5675] set_robust_list(0x7fcb9828f9a0, 24 [pid 5671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5668] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5667] <... futex resumed>) = 0 [pid 5666] futex(0x7fcb9838fe38, FUTEX_WAKE_PRIVATE, 1000000 [pid 5664] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5675] <... set_robust_list resumed>) = 0 [pid 5671] link("./file1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5668] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5667] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5666] <... futex resumed>) = 0 [pid 5665] <... close resumed>) = 0 [pid 5664] <... futex resumed>) = 0 [pid 5668] memfd_create("syzkaller", 0 [pid 5664] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5666] futex(0x7fcb9838fe3c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5668] <... memfd_create resumed>) = 5 [pid 5665] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5663] <... futex resumed>) = 0 [pid 5663] close(3) = 0 [pid 5663] close(4 [pid 5675] rt_sigprocmask(SIG_SETMASK, [] [pid 5665] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5663] <... close resumed>) = 0 [pid 5675] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5668] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5675] mkdir(".", 0777 [pid 5668] <... mmap resumed>) = 0x7fcb8fe6f000 [pid 5663] close(5 [pid 5675] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5663] close(6) = -1 EBADF (Bad file descriptor) [pid 5663] close(7 [pid 5675] mount(NULL, ".", 0x200000000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_POSIXACL|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5663] close(8) = -1 EBADF (Bad file descriptor) [pid 5663] close(9) = -1 EBADF (Bad file descriptor) [pid 5663] close(10) = -1 EBADF (Bad file descriptor) [pid 5663] close(11 [pid 5672] <... link resumed>) = 0 [pid 5671] <... link resumed>) = 0 [pid 5670] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5668] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 [pid 5672] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5671] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5670] futex(0x7fcb9838fe3c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5672] <... futex resumed>) = 0 [pid 5671] <... futex resumed>) = 1 [pid 5670] <... futex resumed>) = 0 [pid 5672] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5671] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5670] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5663] close(12 [pid 5667] <... futex resumed>) = 0 [pid 5663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5670] <... mmap resumed>) = 0x7fcb9826f000 [pid 5667] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5670] mprotect(0x7fcb98270000, 131072, PROT_READ|PROT_WRITE [pid 5667] <... futex resumed>) = 0 [pid 5663] close(13 [pid 5671] mkdir(".", 0777 [pid 5670] <... mprotect resumed>) = 0 [pid 5663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] <... mount resumed>) = 0 [pid 5671] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5670] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5667] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5671] mount(NULL, ".", 0x200000000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_POSIXACL|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5663] close(14) = -1 EBADF (Bad file descriptor) [pid 5663] close(15 [pid 5670] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5670] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb9828f990, parent_tid=0x7fcb9828f990, exit_signal=0, stack=0x7fcb9826f000, stack_size=0x20200, tls=0x7fcb9828f6c0} [pid 5663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5663] close(16ci2-upstream-fs/strace-static-x86_64: Process 5676 attached ) = -1 EBADF (Bad file descriptor) [pid 5675] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5670] <... clone3 resumed> => {parent_tid=[9]}, 88) = 9 [pid 5663] close(17 [pid 5670] rt_sigprocmask(SIG_SETMASK, [] [pid 5663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] <... openat resumed>) = 4 [pid 5670] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5663] close(18 [pid 5676] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5675] chdir("." [pid 5670] futex(0x7fcb9838fe38, FUTEX_WAKE_PRIVATE, 1000000 [pid 5676] <... rseq resumed>) = 0 [pid 5675] <... chdir resumed>) = 0 [pid 5676] set_robust_list(0x7fcb9828f9a0, 24 [pid 5670] <... futex resumed>) = 0 [pid 5663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5675] futex(0x7fcb9838fe3c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5676] <... set_robust_list resumed>) = 0 [pid 5670] futex(0x7fcb9838fe3c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5663] close(19 [pid 5675] <... futex resumed>) = 1 [pid 5666] <... futex resumed>) = 0 [pid 5676] rt_sigprocmask(SIG_SETMASK, [] [pid 5666] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5676] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5676] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5676] mount(NULL, ".", 0x200000000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_POSIXACL|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5663] close(20 [pid 5675] futex(0x7fcb9838fe38, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5669] <... futex resumed>) = 0 [pid 5666] <... futex resumed>) = 1 [pid 5663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5676] <... mount resumed>) = 0 [pid 5669] openat(AT_FDCWD, NULL, O_RDONLY|O_CLOEXEC [pid 5676] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5669] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5676] <... openat resumed>) = 4 [pid 5669] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5676] chdir("." [pid 5669] <... futex resumed>) = 0 [pid 5663] close(21 [pid 5666] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5676] <... chdir resumed>) = 0 [pid 5669] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5666] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5663] close(22 [pid 5666] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... futex resumed>) = 0 [pid 5676] futex(0x7fcb9838fe3c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5669] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5666] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5663] close(23 [pid 5669] memfd_create("syzkaller", 0 [pid 5676] <... futex resumed>) = 1 [pid 5670] <... futex resumed>) = 0 [pid 5669] <... memfd_create resumed>) = 5 [pid 5676] futex(0x7fcb9838fe38, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5670] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5669] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5672] <... futex resumed>) = 0 [pid 5670] <... futex resumed>) = 1 [pid 5669] <... mmap resumed>) = 0x7fcb8fe6f000 [pid 5672] openat(AT_FDCWD, NULL, O_RDONLY|O_CLOEXEC [pid 5670] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5663] close(24 [pid 5672] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5672] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5668] <... write resumed>) = 1048576 [pid 5663] close(25) = -1 EBADF (Bad file descriptor) [pid 5672] <... futex resumed>) = 1 [pid 5670] <... futex resumed>) = 0 [pid 5668] munmap(0x7fcb8fe6f000, 138412032 [pid 5663] close(26 [pid 5672] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5670] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5672] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5671] <... mount resumed>) = 0 [pid 5670] <... futex resumed>) = 0 [pid 5669] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 [pid 5668] <... munmap resumed>) = 0 [pid 5663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5672] memfd_create("syzkaller", 0 [pid 5671] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5670] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5663] close(27 [pid 5672] <... memfd_create resumed>) = 5 [pid 5671] <... openat resumed>) = 4 [pid 5668] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5672] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5671] chdir("." [pid 5663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5672] <... mmap resumed>) = 0x7fcb8fe6f000 [pid 5663] close(28 [pid 5671] <... chdir resumed>) = 0 [pid 5663] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5671] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5663] close(29) = -1 EBADF (Bad file descriptor) [pid 5668] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5671] <... futex resumed>) = 1 [pid 5671] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5668] close(5 [pid 5667] <... futex resumed>) = 0 [pid 5663] exit_group(0 [pid 5667] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5665] <... futex resumed>) = ? [pid 5663] <... exit_group resumed>) = ? [pid 5671] <... futex resumed>) = 0 [pid 5669] <... write resumed>) = 1048576 [pid 5667] <... futex resumed>) = 1 [pid 5665] +++ exited with 0 +++ [pid 5667] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5669] munmap(0x7fcb8fe6f000, 138412032 [pid 5671] openat(AT_FDCWD, NULL, O_RDONLY|O_CLOEXEC) = -1 EFAULT (Bad address) [pid 5671] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5669] <... munmap resumed>) = 0 [pid 5672] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 [pid 5671] <... futex resumed>) = 1 [pid 5668] <... close resumed>) = 0 [pid 5667] <... futex resumed>) = 0 [pid 5663] +++ exited with 0 +++ [pid 5669] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5671] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5667] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5671] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5669] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5668] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5667] <... futex resumed>) = 0 [pid 5671] memfd_create("syzkaller", 0 [pid 5669] close(5 [pid 5668] <... futex resumed>) = 1 [pid 5667] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5664] <... futex resumed>) = 0 [pid 5671] <... memfd_create resumed>) = 5 [pid 5664] close(3 [pid 5668] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5671] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5664] <... close resumed>) = 0 [pid 5623] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5671] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5664] close(4 [pid 5623] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5669] <... close resumed>) = 0 [pid 5664] <... close resumed>) = 0 [pid 5623] <... openat resumed>) = 3 [pid 5623] fstat(3 [pid 5664] close(5) = -1 EBADF (Bad file descriptor) [pid 5623] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=80, ...}) = 0 [pid 5669] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5623] getdents64(3 [pid 5669] <... futex resumed>) = 1 [pid 5623] <... getdents64 resumed>, 0x5555649df850 /* 4 entries */, 32768) = 112 [pid 5666] <... futex resumed>) = 0 [pid 5623] umount2("./2/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5666] close(3 [pid 5664] close(6 [pid 5666] <... close resumed>) = 0 [pid 5664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] close(4 [pid 5664] close(7 [pid 5666] <... close resumed>) = 0 [pid 5671] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 [pid 5669] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5666] close(5 [pid 5664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5664] close(8) = -1 EBADF (Bad file descriptor) [pid 5666] close(6) = -1 EBADF (Bad file descriptor) [pid 5666] close(7 [pid 5664] close(9 [pid 5672] <... write resumed>) = 1048576 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] close(8) = -1 EBADF (Bad file descriptor) [pid 5672] munmap(0x7fcb8fe6f000, 138412032 [pid 5666] close(9 [pid 5672] <... munmap resumed>) = 0 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] close(10 [pid 5664] close(10 [pid 5672] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5672] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5671] <... write resumed>) = 1048576 [pid 5666] close(11 [pid 5664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5672] close(5 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] close(12 [pid 5664] close(11) = -1 EBADF (Bad file descriptor) [pid 5664] close(12) = -1 EBADF (Bad file descriptor) [pid 5664] close(13) = -1 EBADF (Bad file descriptor) [pid 5671] munmap(0x7fcb8fe90000, 138412032 [pid 5664] close(14 [pid 5671] <... munmap resumed>) = 0 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] close(13 [pid 5664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5664] close(15 [pid 5666] close(14 [pid 5671] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] close(15 [pid 5664] close(16 [pid 5671] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5671] close(5 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] close(16 [pid 5664] close(17 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5664] close(18) = -1 EBADF (Bad file descriptor) [pid 5666] close(17 [pid 5664] close(19 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] close(18 [pid 5664] close(20) = -1 EBADF (Bad file descriptor) [pid 5664] close(21) = -1 EBADF (Bad file descriptor) [pid 5664] close(22) = -1 EBADF (Bad file descriptor) [pid 5664] close(23) = -1 EBADF (Bad file descriptor) [pid 5664] close(24) = -1 EBADF (Bad file descriptor) [pid 5664] close(25) = -1 EBADF (Bad file descriptor) [pid 5664] close(26) = -1 EBADF (Bad file descriptor) [pid 5664] close(27) = -1 EBADF (Bad file descriptor) [pid 5664] close(28) = -1 EBADF (Bad file descriptor) [pid 5664] close(29) = -1 EBADF (Bad file descriptor) [pid 5664] exit_group(0 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5668] <... futex resumed>) = ? [pid 5668] +++ exited with 0 +++ [pid 5664] <... exit_group resumed>) = ? [pid 5674] <... futex resumed>) = ? [pid 5672] <... close resumed>) = 0 [pid 5671] <... close resumed>) = 0 [pid 5666] close(19 [pid 5674] +++ exited with 0 +++ [pid 5672] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5672] <... futex resumed>) = 1 [pid 5671] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5670] <... futex resumed>) = 0 [pid 5666] close(20 [pid 5672] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5671] <... futex resumed>) = 1 [pid 5670] close(3 [pid 5667] <... futex resumed>) = 0 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5671] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5670] <... close resumed>) = 0 [pid 5667] close(3 [pid 5666] close(21 [pid 5664] +++ exited with 0 +++ [pid 5623] <... umount2 resumed>) = 0 [pid 5670] close(4 [pid 5667] <... close resumed>) = 0 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5670] <... close resumed>) = 0 [pid 5666] close(22 [pid 5624] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5667] close(4 [pid 5623] umount2("./2/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5670] close(5 [pid 5667] <... close resumed>) = 0 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5667] close(5 [pid 5666] close(23 [pid 5623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5670] close(6 [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] newfstatat(AT_FDCWD, "./2/file1" [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] close(24 [pid 5623] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5670] close(7 [pid 5667] close(6 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] umount2("./2/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5670] close(8 [pid 5623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] close(25 [pid 5670] close(9 [pid 5667] close(7 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] <... restart_syscall resumed>) = 0 [pid 5623] openat(AT_FDCWD, "./2/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] close(26 [pid 5623] <... openat resumed>) = 4 [pid 5670] close(10 [pid 5667] close(8 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] close(27 [pid 5623] fstat(4 [pid 5670] close(11 [pid 5667] close(9 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5623] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] close(28 [pid 5624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5623] getdents64(4 [pid 5670] close(12 [pid 5623] <... getdents64 resumed>, 0x5555649e7890 /* 2 entries */, 32768) = 48 [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] getdents64(4 [pid 5670] close(13 [pid 5623] <... getdents64 resumed>, 0x5555649e7890 /* 0 entries */, 32768) = 0 [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] close(4 [pid 5670] close(14 [pid 5623] <... close resumed>) = 0 [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] close(15 [pid 5623] rmdir("./2/file1" [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5667] close(10 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5623] <... rmdir resumed>) = 0 [pid 5670] close(16 [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] close(29 [pid 5667] close(11 [pid 5666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] <... openat resumed>) = 3 [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5670] close(17 [pid 5667] close(12 [pid 5666] exit_group(0 [pid 5624] fstat(3 [pid 5675] <... futex resumed>) = ? [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5669] <... futex resumed>) = ? [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] <... exit_group resumed>) = ? [pid 5624] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=80, ...}) = 0 [pid 5623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5670] close(18 [pid 5669] +++ exited with 0 +++ [pid 5667] close(13 [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] newfstatat(AT_FDCWD, "./2/binderfs" [pid 5670] close(19 [pid 5667] close(14 [pid 5624] getdents64(3 [pid 5623] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] unlink("./2/binderfs" [pid 5624] <... getdents64 resumed>, 0x5555649df850 /* 4 entries */, 32768) = 112 [pid 5670] close(20 [pid 5667] close(15 [pid 5624] umount2("./2/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5623] <... unlink resumed>) = 0 [pid 5675] +++ exited with 0 +++ [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5667] close(16 [pid 5670] close(21 [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] getdents64(3 [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5667] close(17 [pid 5623] <... getdents64 resumed>, 0x5555649df850 /* 0 entries */, 32768) = 0 [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] close(22 [pid 5667] close(18 [pid 5623] close(3 [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5666] +++ exited with 0 +++ [pid 5670] close(23 [pid 5667] close(19 [pid 5623] <... close resumed>) = 0 [pid 5622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5622] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5667] close(20 [pid 5623] rmdir("./2") = 0 [pid 5622] <... restart_syscall resumed>) = 0 [pid 5670] close(24 [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] mkdir("./3", 0777 [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] <... mkdir resumed>) = 0 [pid 5670] close(25) = -1 EBADF (Bad file descriptor) [pid 5623] openat(AT_FDCWD, "/dev/loop1", O_RDONLY [pid 5670] close(26 [pid 5623] <... openat resumed>) = 3 [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] close(27) = -1 EBADF (Bad file descriptor) [pid 5623] ioctl(3, LOOP_CLR_FD [pid 5670] close(28 [pid 5667] close(21 [pid 5623] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] close(3 [pid 5670] close(29 [pid 5667] close(22 [pid 5623] <... close resumed>) = 0 [pid 5622] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5670] exit_group(0 [pid 5667] close(23 [pid 5624] <... umount2 resumed>) = 0 [pid 5670] <... exit_group resumed>) = ? [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5672] <... futex resumed>) = ? [pid 5667] close(24 [pid 5624] umount2("./2/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5622] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5676] <... futex resumed>) = ? [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5672] +++ exited with 0 +++ [pid 5624] newfstatat(AT_FDCWD, "./2/file1" [pid 5622] <... openat resumed>) = 3 [pid 5667] close(25 [pid 5624] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5622] fstat(3 [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] umount2("./2/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5622] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=80, ...}) = 0 [pid 5667] close(26) = -1 EBADF (Bad file descriptor) [pid 5624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5622] getdents64(3ci2-upstream-fs/strace-static-x86_64: Process 5677 attached [pid 5676] +++ exited with 0 +++ [pid 5670] +++ exited with 0 +++ [pid 5667] close(27 [pid 5624] openat(AT_FDCWD, "./2/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5622] <... getdents64 resumed>, 0x5555649df850 /* 4 entries */, 32768) = 112 [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5677] set_robust_list(0x5555649de7a0, 24 [pid 5667] close(28 [pid 5624] <... openat resumed>) = 4 [pid 5622] umount2("./2/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5621] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=9 /* 0.09 s */} --- [pid 5677] <... set_robust_list resumed>) = 0 [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] <... clone resumed>, child_tidptr=0x5555649de790) = 9 [pid 5677] rt_sigprocmask(SIG_SETMASK, [] [pid 5667] close(29 [pid 5624] fstat(4 [pid 5677] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5667] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 5677] chdir("./3" [pid 5667] exit_group(0 [pid 5623] rt_sigprocmask(SIG_SETMASK, [] [pid 5677] <... chdir resumed>) = 0 [pid 5667] <... exit_group resumed>) = ? [pid 5624] getdents64(4 [pid 5677] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5671] <... futex resumed>) = ? [pid 5623] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5677] <... prctl resumed>) = 0 [pid 5624] <... getdents64 resumed>, 0x5555649e7890 /* 2 entries */, 32768) = 48 [pid 5677] setpgid(0, 0) = 0 [pid 5624] getdents64(4 [pid 5621] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5624] <... getdents64 resumed>, 0x5555649e7890 /* 0 entries */, 32768) = 0 [pid 5621] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5621] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5677] <... openat resumed>) = 3 [pid 5671] +++ exited with 0 +++ [pid 5667] +++ exited with 0 +++ [pid 5624] close(4 [pid 5621] <... openat resumed>) = 3 [pid 5677] write(3, "1000", 4 [pid 5625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=10 /* 0.10 s */} --- [pid 5624] <... close resumed>) = 0 [pid 5677] <... write resumed>) = 4 [pid 5621] fstat(3 [pid 5677] close(3 [pid 5621] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=80, ...}) = 0 [pid 5624] rmdir("./2/file1" [pid 5677] <... close resumed>) = 0 [pid 5624] <... rmdir resumed>) = 0 [pid 5621] getdents64(3 [pid 5677] read(200 [pid 5624] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5677] <... read resumed>, 0x7ffd53cefa10, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5621] <... getdents64 resumed>, 0x5555649df850 /* 4 entries */, 32768) = 112 [pid 5677] symlink("/dev/binderfs", "./binderfs" [pid 5621] umount2("./2/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5625] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5624] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5624] unlink("./2/binderfs" [pid 5677] <... symlink resumed>) = 0 [pid 5624] <... unlink resumed>) = 0 [pid 5625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5625] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5624] getdents64(3 [pid 5625] <... openat resumed>) = 3 [pid 5624] <... getdents64 resumed>, 0x5555649df850 /* 0 entries */, 32768) = 0 [pid 5677] write(1, "executing program\n", 18 [pid 5625] fstat(3 [pid 5677] <... write resumed>) = 18 [pid 5625] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=80, ...}) = 0 [pid 5624] close(3 [pid 5677] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5625] getdents64(3 [pid 5624] <... close resumed>) = 0 [pid 5625] <... getdents64 resumed>, 0x5555649df850 /* 4 entries */, 32768) = 112 [pid 5625] umount2("./2/file1", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 5624] rmdir("./2" [pid 5677] rt_sigaction(SIGRT_1, {sa_handler=0x7fcb98317070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcb982c8dc0}, NULL, 8) = 0 [pid 5624] <... rmdir resumed>) = 0 [pid 5624] mkdir("./3", 0777 [pid 5677] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5622] <... umount2 resumed>) = 0 [pid 5677] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5677] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5624] <... mkdir resumed>) = 0 [pid 5622] umount2("./2/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5677] <... mmap resumed>) = 0x7fcb98290000 [pid 5624] openat(AT_FDCWD, "/dev/loop3", O_RDONLY [pid 5677] mprotect(0x7fcb98291000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5622] newfstatat(AT_FDCWD, "./2/file1" [pid 5677] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5624] <... openat resumed>) = 3 [pid 5622] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5677] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5621] <... umount2 resumed>) = 0 [pid 5677] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb982b0990, parent_tid=0x7fcb982b0990, exit_signal=0, stack=0x7fcb98290000, stack_size=0x20200, tls=0x7fcb982b06c0} [pid 5624] ioctl(3, LOOP_CLR_FD [pid 5621] umount2("./2/file1", MNT_FORCE|UMOUNT_NOFOLLOWci2-upstream-fs/strace-static-x86_64: Process 5678 attached [pid 5624] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5622] umount2("./2/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5621] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5678] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5677] <... clone3 resumed> => {parent_tid=[10]}, 88) = 10 [pid 5624] close(3 [pid 5622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5621] newfstatat(AT_FDCWD, "./2/file1" [pid 5678] <... rseq resumed>) = 0 [pid 5677] rt_sigprocmask(SIG_SETMASK, [] [pid 5624] <... close resumed>) = 0 [pid 5622] openat(AT_FDCWD, "./2/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5678] set_robust_list(0x7fcb982b09a0, 24 [pid 5677] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5624] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5621] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5622] <... openat resumed>) = 4 [pid 5678] <... set_robust_list resumed>) = 0 [pid 5677] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5624] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5622] fstat(4 [pid 5621] umount2("./2/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5678] rt_sigprocmask(SIG_SETMASK, [] [pid 5677] <... futex resumed>) = 0 [pid 5624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5679 attached [pid 5622] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 5678] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5677] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5621] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5679] set_robust_list(0x5555649de7a0, 24 [pid 5678] memfd_create("syzkaller", 0 [pid 5624] <... clone resumed>, child_tidptr=0x5555649de790) = 10 [pid 5679] <... set_robust_list resumed>) = 0 [pid 5621] openat(AT_FDCWD, "./2/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5678] <... memfd_create resumed>) = 3 [pid 5624] rt_sigprocmask(SIG_SETMASK, [] [pid 5622] getdents64(4, 0x5555649e7890 /* 2 entries */, 32768) = 48 [pid 5622] getdents64(4 [pid 5679] rt_sigprocmask(SIG_SETMASK, [] [pid 5622] <... getdents64 resumed>, 0x5555649e7890 /* 0 entries */, 32768) = 0 [pid 5679] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5678] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5624] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5622] close(4 [pid 5621] <... openat resumed>) = 4 [pid 5679] chdir("./3" [pid 5678] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5622] <... close resumed>) = 0 [pid 5621] fstat(4 [pid 5679] <... chdir resumed>) = 0 [pid 5622] rmdir("./2/file1") = 0 [pid 5621] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 5679] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5622] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5621] getdents64(4 [pid 5679] <... prctl resumed>) = 0 [pid 5679] setpgid(0, 0 [pid 5622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5622] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5622] unlink("./2/binderfs" [pid 5679] <... setpgid resumed>) = 0 [pid 5622] <... unlink resumed>) = 0 [pid 5622] getdents64(3, 0x5555649df850 /* 0 entries */, 32768) = 0 [pid 5622] close(3) = 0 [pid 5622] rmdir("./2") = 0 [pid 5679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5678] 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 [pid 5625] <... umount2 resumed>) = 0 [pid 5622] mkdir("./3", 0777 [pid 5621] <... getdents64 resumed>, 0x5555649e7890 /* 2 entries */, 32768) = 48 [pid 5679] <... openat resumed>) = 3 [pid 5625] umount2("./2/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5679] write(3, "1000", 4 [pid 5625] newfstatat(AT_FDCWD, "./2/file1" [pid 5621] getdents64(4 [pid 5625] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5621] <... getdents64 resumed>, 0x5555649e7890 /* 0 entries */, 32768) = 0 [pid 5679] <... write resumed>) = 4 [pid 5625] umount2("./2/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5622] <... mkdir resumed>) = 0 [pid 5621] close(4 [pid 5679] close(3 [pid 5622] openat(AT_FDCWD, "/dev/loop2", O_RDONLY [pid 5621] <... close resumed>) = 0 [pid 5679] <... close resumed>) = 0 [pid 5625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5679] read(200 [pid 5625] openat(AT_FDCWD, "./2/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5622] <... openat resumed>) = 3 [pid 5621] rmdir("./2/file1" [pid 5679] <... read resumed>, 0x7ffd53cefa10, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5625] <... openat resumed>) = 4 [pid 5622] ioctl(3, LOOP_CLR_FD [pid 5621] <... rmdir resumed>) = 0 [pid 5679] symlink("/dev/binderfs", "./binderfs" [pid 5625] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 5622] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5625] getdents64(4 [pid 5679] <... symlink resumed>) = 0 [pid 5625] <... getdents64 resumed>, 0x5555649e7890 /* 2 entries */, 32768) = 48 [pid 5622] close(3 [pid 5621] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5679] write(1, "executing program\n", 18 executing program [pid 5625] getdents64(4 [pid 5622] <... close resumed>) = 0 [pid 5679] <... write resumed>) = 18 [pid 5625] <... getdents64 resumed>, 0x5555649e7890 /* 0 entries */, 32768) = 0 [pid 5622] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5621] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5679] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] close(4 [pid 5622] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5621] newfstatat(AT_FDCWD, "./2/binderfs" [pid 5679] <... futex resumed>) = 0 [pid 5622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5679] rt_sigaction(SIGRT_1, {sa_handler=0x7fcb98317070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcb982c8dc0} [pid 5625] <... close resumed>) = 0 [pid 5621] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5679] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5679] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5625] rmdir("./2/file1" [pid 5621] unlink("./2/binderfs" [pid 5679] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5679] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5625] <... rmdir resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5680 attached [pid 5621] <... unlink resumed>) = 0 [pid 5680] set_robust_list(0x5555649de7a0, 24 [pid 5679] <... mmap resumed>) = 0x7fcb98290000 [pid 5678] <... write resumed>) = 1048576 [pid 5625] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5622] <... clone resumed>, child_tidptr=0x5555649de790) = 11 [pid 5621] getdents64(3 [pid 5680] <... set_robust_list resumed>) = 0 [pid 5679] mprotect(0x7fcb98291000, 131072, PROT_READ|PROT_WRITE [pid 5622] rt_sigprocmask(SIG_SETMASK, [] [pid 5621] <... getdents64 resumed>, 0x5555649df850 /* 0 entries */, 32768) = 0 [pid 5680] rt_sigprocmask(SIG_SETMASK, [] [pid 5679] <... mprotect resumed>) = 0 [pid 5625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5622] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5621] close(3 [pid 5625] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5621] <... close resumed>) = 0 [pid 5680] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5679] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5678] munmap(0x7fcb8fe90000, 138412032 [pid 5625] unlink("./2/binderfs" [pid 5680] chdir("./3" [pid 5679] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5678] <... munmap resumed>) = 0 [pid 5621] rmdir("./2" [pid 5679] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb982b0990, parent_tid=0x7fcb982b0990, exit_signal=0, stack=0x7fcb98290000, stack_size=0x20200, tls=0x7fcb982b06c0} [pid 5678] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5625] <... unlink resumed>) = 0 [pid 5621] <... rmdir resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5681 attached [pid 5680] <... chdir resumed>) = 0 [pid 5679] <... clone3 resumed> => {parent_tid=[11]}, 88) = 11 [pid 5678] <... openat resumed>) = 4 [pid 5625] getdents64(3 [pid 5621] mkdir("./3", 0777 [pid 5680] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5679] rt_sigprocmask(SIG_SETMASK, [] [pid 5680] <... prctl resumed>) = 0 [pid 5679] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5681] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5680] setpgid(0, 0 [pid 5678] ioctl(4, LOOP_SET_FD, 3 [pid 5625] <... getdents64 resumed>, 0x5555649df850 /* 0 entries */, 32768) = 0 [pid 5621] <... mkdir resumed>) = 0 [pid 5679] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5681] <... rseq resumed>) = 0 [pid 5680] <... setpgid resumed>) = 0 [pid 5625] close(3 [pid 5680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5679] <... futex resumed>) = 0 [pid 5681] set_robust_list(0x7fcb982b09a0, 24 [pid 5679] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5625] <... close resumed>) = 0 [pid 5621] openat(AT_FDCWD, "/dev/loop0", O_RDONLY [pid 5681] <... set_robust_list resumed>) = 0 [pid 5680] <... openat resumed>) = 3 [pid 5625] rmdir("./2" [pid 5681] rt_sigprocmask(SIG_SETMASK, [] [pid 5680] write(3, "1000", 4 [pid 5621] <... openat resumed>) = 3 [pid 5681] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5680] <... write resumed>) = 4 [pid 5678] <... ioctl resumed>) = 0 [pid 5621] ioctl(3, LOOP_CLR_FD [pid 5680] close(3 [pid 5681] memfd_create("syzkaller", 0 [pid 5680] <... close resumed>) = 0 [pid 5621] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5681] <... memfd_create resumed>) = 3 [pid 5680] read(200 [pid 5678] close(3 [pid 5621] close(3 [pid 5681] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5680] <... read resumed>, 0x7ffd53cefa10, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5678] <... close resumed>) = 0 [pid 5621] <... close resumed>) = 0 [pid 5678] close(4) = 0 [pid 5680] symlink("/dev/binderfs", "./binderfs" [pid 5678] mkdir("./file1", 0777 [pid 5621] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5681] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5680] <... symlink resumed>) = 0 [pid 5678] <... mkdir resumed>) = 0 [pid 5621] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5680] write(1, "executing program\n", 18 [pid 5678] mount("/dev/loop1", "./file1", "udf", 0, "noadinicb,nostrict,mode=00000000000000000000004,uid=forget,noadinicb,umask=00000000000000040002000,l"... [pid 5625] <... rmdir resumed>) = 0 [pid 5621] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5680] <... write resumed>) = 18 executing program [pid 5680] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5625] mkdir("./3", 0777 [pid 5680] rt_sigaction(SIGRT_1, {sa_handler=0x7fcb98317070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcb982c8dc0}, NULL, 8) = 0 [pid 5625] <... mkdir resumed>) = 0 [pid 5680] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5680] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5625] openat(AT_FDCWD, "/dev/loop4", O_RDONLYci2-upstream-fs/strace-static-x86_64: Process 5683 attached [pid 5680] <... mmap resumed>) = 0x7fcb98290000 [pid 5625] <... openat resumed>) = 3 [pid 5681] 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 [pid 5621] <... clone resumed>, child_tidptr=0x5555649de790) = 10 [pid 5680] mprotect(0x7fcb98291000, 131072, PROT_READ|PROT_WRITE [pid 5683] set_robust_list(0x5555649de7a0, 24 [pid 5625] ioctl(3, LOOP_CLR_FD [pid 5621] rt_sigprocmask(SIG_SETMASK, [] [pid 5683] <... set_robust_list resumed>) = 0 [pid 5680] <... mprotect resumed>) = 0 [pid 5621] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5680] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5625] close(3 [pid 5683] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5625] <... close resumed>) = 0 [pid 5680] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5680] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb982b0990, parent_tid=0x7fcb982b0990, exit_signal=0, stack=0x7fcb98290000, stack_size=0x20200, tls=0x7fcb982b06c0} [pid 5625] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5683] chdir("./3" [pid 5625] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5684 attached [pid 5683] <... chdir resumed>) = 0 [ 137.806905][ T5678] set_capacity_and_notify: 5 callbacks suppressed [ 137.806933][ T5678] loop1: detected capacity change from 0 to 2048 [pid 5625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5684] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5683] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5680] <... clone3 resumed> => {parent_tid=[12]}, 88) = 12 [pid 5684] <... rseq resumed>) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5685 attached [pid 5684] set_robust_list(0x7fcb982b09a0, 24 [pid 5683] <... prctl resumed>) = 0 [pid 5680] rt_sigprocmask(SIG_SETMASK, [] [pid 5683] setpgid(0, 0 [pid 5680] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5684] <... set_robust_list resumed>) = 0 [pid 5680] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5685] set_robust_list(0x5555649de7a0, 24 [pid 5684] rt_sigprocmask(SIG_SETMASK, [] [pid 5683] <... setpgid resumed>) = 0 [pid 5681] <... write resumed>) = 1048576 [pid 5680] <... futex resumed>) = 0 [pid 5678] <... mount resumed>) = 0 [pid 5625] <... clone resumed>, child_tidptr=0x5555649de790) = 9 [pid 5685] <... set_robust_list resumed>) = 0 [pid 5681] munmap(0x7fcb8fe90000, 138412032 [pid 5685] rt_sigprocmask(SIG_SETMASK, [] [pid 5680] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5684] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5681] <... munmap resumed>) = 0 [pid 5678] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5625] rt_sigprocmask(SIG_SETMASK, [] [pid 5685] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5684] memfd_create("syzkaller", 0 [pid 5683] <... openat resumed>) = 3 [pid 5678] <... openat resumed>) = 3 [pid 5625] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5678] chdir("./file1" [pid 5684] <... memfd_create resumed>) = 3 [pid 5678] <... chdir resumed>) = 0 [pid 5685] chdir("./3" [pid 5684] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5683] write(3, "1000", 4 [pid 5681] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5678] openat(AT_FDCWD, "/dev/loop1", O_RDONLY [pid 5685] <... chdir resumed>) = 0 [pid 5684] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5683] <... write resumed>) = 4 [pid 5681] <... openat resumed>) = 4 [pid 5685] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5683] close(3 [pid 5678] <... openat resumed>) = 4 [pid 5685] <... prctl resumed>) = 0 [pid 5683] <... close resumed>) = 0 [pid 5681] ioctl(4, LOOP_SET_FD, 3 [pid 5678] ioctl(4, LOOP_CLR_FD [pid 5685] setpgid(0, 0 [pid 5683] read(200 [pid 5681] <... ioctl resumed>) = 0 [pid 5678] <... ioctl resumed>) = 0 [ 137.869847][ T5678] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5681] close(3 [pid 5685] <... setpgid resumed>) = 0 [pid 5683] <... read resumed>, 0x7ffd53cefa10, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5678] close(4) = 0 [pid 5683] symlink("/dev/binderfs", "./binderfs" [pid 5685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5681] <... close resumed>) = 0 [pid 5678] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5681] close(4 [pid 5683] <... symlink resumed>) = 0 [pid 5681] <... close resumed>) = 0 [pid 5681] mkdir("./file1", 0777) = 0 [pid 5678] <... futex resumed>) = 1 [pid 5685] <... openat resumed>) = 3 [pid 5681] mount("/dev/loop3", "./file1", "udf", 0, "noadinicb,nostrict,mode=00000000000000000000004,uid=forget,noadinicb,umask=00000000000000040002000,l"... [pid 5678] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5677] <... futex resumed>) = 0 [pid 5685] write(3, "1000", 4 [pid 5683] write(1, "executing program\n", 18 executing program [pid 5677] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5685] <... write resumed>) = 4 [pid 5683] <... write resumed>) = 18 [pid 5678] <... futex resumed>) = 0 [pid 5677] <... futex resumed>) = 1 [pid 5678] link("./file1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5683] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5677] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5685] close(3 [pid 5683] <... futex resumed>) = 0 [pid 5683] rt_sigaction(SIGRT_1, {sa_handler=0x7fcb98317070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcb982c8dc0} [pid 5685] <... close resumed>) = 0 [pid 5684] 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 [pid 5683] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5678] <... link resumed>) = 0 [pid 5685] read(200 [pid 5683] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5685] <... read resumed>, 0x7ffd53cefa10, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5683] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5678] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5683] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5685] symlink("/dev/binderfs", "./binderfs" [pid 5678] <... futex resumed>) = 1 [pid 5677] <... futex resumed>) = 0 [pid 5677] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5678] mkdir(".", 0777 [ 137.925291][ T5681] loop3: detected capacity change from 0 to 2048 [pid 5677] <... futex resumed>) = 0 [pid 5685] <... symlink resumed>) = 0 [pid 5683] <... mmap resumed>) = 0x7fcb98290000 [pid 5678] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5677] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5685] write(1, "executing program\n", 18 [pid 5683] mprotect(0x7fcb98291000, 131072, PROT_READ|PROT_WRITE [pid 5678] mount(NULL, ".", 0x200000000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_POSIXACL|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5685] <... write resumed>) = 18 [pid 5683] <... mprotect resumed>) = 0 executing program [pid 5683] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5685] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5683] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5685] <... futex resumed>) = 0 [pid 5685] rt_sigaction(SIGRT_1, {sa_handler=0x7fcb98317070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcb982c8dc0} [pid 5683] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb982b0990, parent_tid=0x7fcb982b0990, exit_signal=0, stack=0x7fcb98290000, stack_size=0x20200, tls=0x7fcb982b06c0} [pid 5678] <... mount resumed>) = 0 [pid 5685] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5681] <... mount resumed>) = 0 [pid 5685] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5681] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORYci2-upstream-fs/strace-static-x86_64: Process 5686 attached [pid 5685] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5681] <... openat resumed>) = 3 [pid 5678] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5686] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5685] <... mmap resumed>) = 0x7fcb98290000 [pid 5683] <... clone3 resumed> => {parent_tid=[11]}, 88) = 11 [pid 5681] chdir("./file1" [pid 5686] <... rseq resumed>) = 0 [pid 5685] mprotect(0x7fcb98291000, 131072, PROT_READ|PROT_WRITE [pid 5683] rt_sigprocmask(SIG_SETMASK, [] [pid 5681] <... chdir resumed>) = 0 [pid 5678] <... openat resumed>) = 4 [pid 5684] <... write resumed>) = 1048576 [pid 5686] set_robust_list(0x7fcb982b09a0, 24 [pid 5685] <... mprotect resumed>) = 0 [pid 5683] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5678] chdir("." [pid 5684] munmap(0x7fcb8fe90000, 138412032 [pid 5686] <... set_robust_list resumed>) = 0 [pid 5683] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5681] openat(AT_FDCWD, "/dev/loop3", O_RDONLY [pid 5686] rt_sigprocmask(SIG_SETMASK, [] [pid 5685] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5684] <... munmap resumed>) = 0 [pid 5683] <... futex resumed>) = 0 [pid 5681] <... openat resumed>) = 4 [pid 5678] <... chdir resumed>) = 0 [pid 5686] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5685] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5684] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5683] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5681] ioctl(4, LOOP_CLR_FD [pid 5678] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] memfd_create("syzkaller", 0 [pid 5685] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb982b0990, parent_tid=0x7fcb982b0990, exit_signal=0, stack=0x7fcb98290000, stack_size=0x20200, tls=0x7fcb982b06c0} [pid 5684] <... openat resumed>) = 4 [pid 5677] <... futex resumed>) = 0 [pid 5678] <... futex resumed>) = 1 [pid 5677] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5681] <... ioctl resumed>) = 0 [pid 5686] <... memfd_create resumed>) = 3 [pid 5684] ioctl(4, LOOP_SET_FD, 3 [pid 5678] openat(AT_FDCWD, NULL, O_RDONLY|O_CLOEXEC [pid 5677] <... futex resumed>) = 0 [pid 5686] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5678] <... openat resumed>) = -1 EFAULT (Bad address) [ 138.001177][ T5681] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5686] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5684] <... ioctl resumed>) = 0 [pid 5681] close(4 [pid 5678] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5677] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5681] <... close resumed>) = 0 [pid 5678] <... futex resumed>) = 0 [pid 5677] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5684] close(3) = 0 [pid 5684] close(4 [pid 5678] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5684] <... close resumed>) = 0 [pid 5684] mkdir("./file1", 0777 [pid 5681] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5678] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5677] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5684] <... mkdir resumed>) = 0 [pid 5681] <... futex resumed>) = 1 [pid 5678] memfd_create("syzkaller", 0 [pid 5681] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5677] <... futex resumed>) = 0 [pid 5677] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5679] <... futex resumed>) = 0 [pid 5679] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5678] <... memfd_create resumed>) = 5 [pid 5684] mount("/dev/loop2", "./file1", "udf", 0, "noadinicb,nostrict,mode=00000000000000000000004,uid=forget,noadinicb,umask=00000000000000040002000,l"...ci2-upstream-fs/strace-static-x86_64: Process 5687 attached [pid 5681] <... futex resumed>) = 0 [pid 5679] <... futex resumed>) = 1 [pid 5678] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5687] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5686] 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 [pid 5685] <... clone3 resumed> => {parent_tid=[10]}, 88) = 10 [pid 5681] link("./file1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5679] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5678] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5685] rt_sigprocmask(SIG_SETMASK, [] [pid 5687] <... rseq resumed>) = 0 [pid 5685] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5687] set_robust_list(0x7fcb982b09a0, 24) = 0 [pid 5687] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5687] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5685] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5681] <... link resumed>) = 0 [ 138.052325][ T5684] loop2: detected capacity change from 0 to 2048 [pid 5687] <... futex resumed>) = 0 [pid 5685] <... futex resumed>) = 1 [pid 5681] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5687] memfd_create("syzkaller", 0 [pid 5681] <... futex resumed>) = 1 [pid 5679] <... futex resumed>) = 0 [pid 5687] <... memfd_create resumed>) = 3 [pid 5685] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5679] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5681] mkdir(".", 0777 [pid 5687] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5679] <... futex resumed>) = 0 [pid 5681] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5687] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5679] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5681] mount(NULL, ".", 0x200000000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_POSIXACL|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5678] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 [pid 5686] <... write resumed>) = 1048576 [pid 5684] <... mount resumed>) = 0 [pid 5681] <... mount resumed>) = 0 [pid 5686] munmap(0x7fcb8fe90000, 138412032 [pid 5684] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5681] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5686] <... munmap resumed>) = 0 [pid 5681] <... openat resumed>) = 4 [pid 5684] <... openat resumed>) = 3 [pid 5681] chdir("." [pid 5687] 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 [pid 5686] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5684] chdir("./file1" [pid 5681] <... chdir resumed>) = 0 [pid 5686] <... openat resumed>) = 4 [pid 5684] <... chdir resumed>) = 0 [pid 5681] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5684] openat(AT_FDCWD, "/dev/loop2", O_RDONLY [pid 5681] <... futex resumed>) = 1 [pid 5686] ioctl(4, LOOP_SET_FD, 3 [pid 5681] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5679] <... futex resumed>) = 0 [pid 5684] <... openat resumed>) = 4 [pid 5679] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] <... ioctl resumed>) = 0 [pid 5684] ioctl(4, LOOP_CLR_FD [pid 5681] <... futex resumed>) = 0 [pid 5679] <... futex resumed>) = 1 [ 138.125357][ T5684] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5684] <... ioctl resumed>) = 0 [pid 5681] openat(AT_FDCWD, NULL, O_RDONLY|O_CLOEXEC [pid 5679] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5686] close(3 [pid 5684] close(4 [pid 5681] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5686] <... close resumed>) = 0 [pid 5684] <... close resumed>) = 0 [pid 5681] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] close(4 [pid 5684] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5681] <... futex resumed>) = 1 [pid 5679] <... futex resumed>) = 0 [pid 5686] <... close resumed>) = 0 [pid 5684] <... futex resumed>) = 1 [pid 5681] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5680] <... futex resumed>) = 0 [pid 5679] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] mkdir("./file1", 0777 [pid 5684] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5681] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5680] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5679] <... futex resumed>) = 0 [pid 5687] <... write resumed>) = 1048576 [pid 5684] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5681] memfd_create("syzkaller", 0 [pid 5680] <... futex resumed>) = 0 [pid 5687] munmap(0x7fcb8fe90000, 138412032 [pid 5684] link("./file1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5687] <... munmap resumed>) = 0 [pid 5681] <... memfd_create resumed>) = 5 [pid 5680] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5679] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5678] <... write resumed>) = 1048576 [ 138.175277][ T5686] loop0: detected capacity change from 0 to 2048 [pid 5687] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5678] munmap(0x7fcb8fe90000, 138412032 [pid 5681] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5687] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5686] <... mkdir resumed>) = 0 [pid 5681] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5687] close(3 [pid 5684] <... link resumed>) = 0 [pid 5678] <... munmap resumed>) = 0 [pid 5687] <... close resumed>) = 0 [pid 5687] close(4) = 0 [pid 5684] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5687] mkdir("./file1", 0777) = 0 [pid 5684] <... futex resumed>) = 1 [pid 5680] <... futex resumed>) = 0 [pid 5687] mount("/dev/loop4", "./file1", "udf", 0, "noadinicb,nostrict,mode=00000000000000000000004,uid=forget,noadinicb,umask=00000000000000040002000,l"... [pid 5684] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5680] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5684] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5684] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5686] mount("/dev/loop0", "./file1", "udf", 0, "noadinicb,nostrict,mode=00000000000000000000004,uid=forget,noadinicb,umask=00000000000000040002000,l"... [pid 5684] mount(NULL, ".", 0x200000000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_POSIXACL|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5680] <... futex resumed>) = 0 [pid 5680] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5678] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5678] close(5 [pid 5684] <... mount resumed>) = 0 [pid 5684] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5684] chdir(".") = 0 [pid 5684] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5680] <... futex resumed>) = 0 [pid 5684] openat(AT_FDCWD, NULL, O_RDONLY|O_CLOEXEC [pid 5680] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5684] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5680] <... futex resumed>) = 0 [pid 5684] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [ 138.240777][ T5687] loop4: detected capacity change from 0 to 2048 [pid 5680] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5684] <... futex resumed>) = 0 [pid 5684] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5680] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5680] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5684] <... futex resumed>) = 0 [pid 5684] memfd_create("syzkaller", 0) = 5 [pid 5680] <... futex resumed>) = 1 [pid 5684] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5680] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5684] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5687] <... mount resumed>) = 0 [pid 5687] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5681] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 [pid 5687] <... openat resumed>) = 3 [pid 5687] chdir("./file1" [pid 5684] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 [pid 5687] <... chdir resumed>) = 0 [pid 5687] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5678] <... close resumed>) = 0 [pid 5687] <... openat resumed>) = 4 [pid 5687] ioctl(4, LOOP_CLR_FD [pid 5678] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5687] <... ioctl resumed>) = 0 [pid 5678] <... futex resumed>) = 1 [pid 5677] <... futex resumed>) = 0 [pid 5687] close(4 [pid 5678] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5677] close(3 [pid 5687] <... close resumed>) = 0 [pid 5677] <... close resumed>) = 0 [ 138.284775][ T1332] ieee802154 phy0 wpan0: encryption failed: -22 [ 138.284906][ T1332] ieee802154 phy1 wpan1: encryption failed: -22 [ 138.315345][ T5687] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5687] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5677] close(4 [pid 5687] <... futex resumed>) = 1 [pid 5686] <... mount resumed>) = 0 [pid 5685] <... futex resumed>) = 0 [pid 5677] <... close resumed>) = 0 [pid 5687] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5677] close(5) = -1 EBADF (Bad file descriptor) [pid 5677] close(6 [pid 5685] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5687] <... futex resumed>) = 0 [pid 5685] <... futex resumed>) = 1 [pid 5687] link("./file1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5686] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5685] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5686] <... openat resumed>) = 3 [pid 5684] <... write resumed>) = 1048576 [pid 5686] chdir("./file1") = 0 [pid 5684] munmap(0x7fcb8fe90000, 138412032 [pid 5686] openat(AT_FDCWD, "/dev/loop0", O_RDONLY) = 4 [pid 5686] ioctl(4, LOOP_CLR_FD) = 0 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5686] close(4 [pid 5684] <... munmap resumed>) = 0 [pid 5677] close(7 [pid 5686] <... close resumed>) = 0 [pid 5686] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5684] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5683] <... futex resumed>) = 0 [pid 5683] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5684] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5683] <... futex resumed>) = 0 [pid 5686] <... futex resumed>) = 1 [pid 5686] link("./file1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5683] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5677] close(8) = -1 EBADF (Bad file descriptor) [pid 5677] close(9) = -1 EBADF (Bad file descriptor) [pid 5677] close(10) = -1 EBADF (Bad file descriptor) [pid 5677] close(11 [pid 5686] <... link resumed>) = 0 [pid 5684] close(5 [pid 5686] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5686] <... futex resumed>) = 1 [pid 5683] <... futex resumed>) = 0 [ 138.345061][ T5686] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5677] close(12 [pid 5686] mkdir(".", 0777 [pid 5683] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5681] <... write resumed>) = 1048576 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5685] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5686] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5685] futex(0x7fcb9838fe3c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5683] <... futex resumed>) = 0 [pid 5681] munmap(0x7fcb8fe90000, 138412032 [pid 5677] close(13 [pid 5686] mount(NULL, ".", 0x200000000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_POSIXACL|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5685] <... futex resumed>) = 0 [pid 5683] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5685] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5681] <... munmap resumed>) = 0 [pid 5685] <... mmap resumed>) = 0x7fcb9826f000 [pid 5681] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5677] close(14 [pid 5686] <... mount resumed>) = 0 [pid 5685] mprotect(0x7fcb98270000, 131072, PROT_READ|PROT_WRITE [pid 5681] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5686] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5685] <... mprotect resumed>) = 0 [pid 5681] close(5 [pid 5677] close(15 [pid 5686] <... openat resumed>) = 4 [pid 5685] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5686] chdir("." [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5686] <... chdir resumed>) = 0 [pid 5685] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5677] close(16 [pid 5686] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5685] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb9828f990, parent_tid=0x7fcb9828f990, exit_signal=0, stack=0x7fcb9826f000, stack_size=0x20200, tls=0x7fcb9828f6c0} [pid 5681] <... close resumed>) = 0 [pid 5677] close(17ci2-upstream-fs/strace-static-x86_64: Process 5688 attached [pid 5686] <... futex resumed>) = 1 [pid 5683] <... futex resumed>) = 0 [pid 5681] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5686] openat(AT_FDCWD, NULL, O_RDONLY|O_CLOEXEC [pid 5685] <... clone3 resumed> => {parent_tid=[11]}, 88) = 11 [pid 5683] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5681] <... futex resumed>) = 1 [pid 5679] <... futex resumed>) = 0 [pid 5677] close(18 [pid 5688] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5686] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5685] rt_sigprocmask(SIG_SETMASK, [] [pid 5683] <... futex resumed>) = 0 [pid 5681] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5679] close(3 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5688] <... rseq resumed>) = 0 [pid 5686] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5685] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5683] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5679] <... close resumed>) = 0 [pid 5677] close(19 [pid 5688] set_robust_list(0x7fcb9828f9a0, 24 [pid 5686] <... futex resumed>) = 0 [pid 5685] futex(0x7fcb9838fe38, FUTEX_WAKE_PRIVATE, 1000000 [pid 5683] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5679] close(4 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5688] <... set_robust_list resumed>) = 0 [pid 5686] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5685] <... futex resumed>) = 0 [pid 5684] <... close resumed>) = 0 [pid 5683] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5679] <... close resumed>) = 0 [pid 5677] close(20 [pid 5688] rt_sigprocmask(SIG_SETMASK, [] [pid 5686] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5685] futex(0x7fcb9838fe3c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5684] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5683] <... futex resumed>) = 0 [pid 5679] close(5 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5688] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5686] memfd_create("syzkaller", 0 [pid 5684] <... futex resumed>) = 1 [pid 5683] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5677] close(21 [pid 5688] mkdir(".", 0777 [pid 5687] <... link resumed>) = 0 [pid 5686] <... memfd_create resumed>) = 5 [pid 5684] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5680] <... futex resumed>) = 0 [pid 5679] close(6 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5688] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5686] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5677] close(22 [pid 5688] mount(NULL, ".", 0x200000000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_POSIXACL|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5687] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5686] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5680] close(3 [pid 5679] close(7 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5687] <... futex resumed>) = 0 [pid 5680] <... close resumed>) = 0 [pid 5680] close(4) = 0 [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5677] close(23 [pid 5687] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5680] close(5) = -1 EBADF (Bad file descriptor) [pid 5679] close(8 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5680] close(6 [pid 5677] close(24 [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5680] close(7 [pid 5679] close(9 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5677] close(25 [pid 5680] close(8 [pid 5679] close(10 [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5686] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 [pid 5680] close(9 [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5677] close(26 [pid 5688] <... mount resumed>) = 0 [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5679] close(11 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5688] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5680] close(10 [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5677] close(27 [pid 5688] <... openat resumed>) = 4 [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5679] close(12 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5688] chdir("." [pid 5680] close(11 [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5677] close(28 [pid 5688] <... chdir resumed>) = 0 [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5679] close(13 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5688] futex(0x7fcb9838fe3c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5680] close(12 [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5677] close(29 [pid 5688] <... futex resumed>) = 1 [pid 5685] <... futex resumed>) = 0 [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5679] close(14 [pid 5677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5688] futex(0x7fcb9838fe38, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5685] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5680] close(13 [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5677] exit_group(0 [pid 5685] <... futex resumed>) = 1 [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5679] close(15 [pid 5687] <... futex resumed>) = 0 [pid 5677] <... exit_group resumed>) = ? [pid 5685] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5679] close(16) = -1 EBADF (Bad file descriptor) [pid 5687] openat(AT_FDCWD, NULL, O_RDONLY|O_CLOEXEC [pid 5679] close(17 [pid 5678] <... futex resumed>) = ? [pid 5687] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5680] close(14 [pid 5687] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5680] close(15 [pid 5679] close(18 [pid 5687] <... futex resumed>) = 1 [pid 5685] <... futex resumed>) = 0 [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5687] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5685] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5680] close(16 [pid 5679] close(19 [pid 5687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5685] <... futex resumed>) = 0 [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5687] memfd_create("syzkaller", 0 [pid 5685] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5680] close(17 [pid 5679] close(20 [pid 5687] <... memfd_create resumed>) = 5 [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5687] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5680] close(18 [pid 5679] close(21 [pid 5687] <... mmap resumed>) = 0x7fcb8fe6f000 [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5678] +++ exited with 0 +++ [pid 5677] +++ exited with 0 +++ [pid 5680] close(19 [pid 5679] close(22 [pid 5623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5680] close(20 [pid 5679] close(23 [pid 5623] <... restart_syscall resumed>) = 0 [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5680] close(21 [pid 5679] close(24 [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5686] <... write resumed>) = 1048576 [pid 5680] close(22 [pid 5679] close(25 [pid 5623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5687] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 [pid 5686] munmap(0x7fcb8fe90000, 138412032 [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5686] <... munmap resumed>) = 0 [pid 5680] close(23 [pid 5679] close(26 [pid 5623] <... openat resumed>) = 3 [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] fstat(3 [pid 5680] close(24 [pid 5679] close(27 [pid 5623] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=80, ...}) = 0 [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] getdents64(3 [pid 5679] close(28 [pid 5623] <... getdents64 resumed>, 0x5555649df850 /* 4 entries */, 32768) = 112 [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5686] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5680] close(25 [pid 5679] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] umount2("./3/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5686] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5679] close(29) = -1 EBADF (Bad file descriptor) [pid 5679] exit_group(0) = ? [pid 5680] close(26 [pid 5681] <... futex resumed>) = ? [pid 5686] close(5 [pid 5681] +++ exited with 0 +++ [pid 5680] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5679] +++ exited with 0 +++ [pid 5680] close(27) = -1 EBADF (Bad file descriptor) [pid 5624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5680] close(28) = -1 EBADF (Bad file descriptor) [pid 5680] close(29) = -1 EBADF (Bad file descriptor) [pid 5680] exit_group(0) = ? [pid 5624] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5684] <... futex resumed>) = ? [pid 5624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5624] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5687] <... write resumed>) = 1048576 [pid 5624] fstat(3, {st_mode=S_IFDIR|0700, st_size=80, ...}) = 0 [pid 5687] munmap(0x7fcb8fe6f000, 138412032 [pid 5686] <... close resumed>) = 0 [pid 5686] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5683] <... futex resumed>) = 0 [pid 5683] close(3 [pid 5624] getdents64(3 [pid 5686] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5683] <... close resumed>) = 0 [pid 5624] <... getdents64 resumed>, 0x5555649df850 /* 4 entries */, 32768) = 112 [pid 5683] close(4 [pid 5624] umount2("./3/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5683] <... close resumed>) = 0 [pid 5687] <... munmap resumed>) = 0 [pid 5683] close(5 [pid 5687] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5683] close(6 [pid 5687] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5687] close(5 [pid 5683] close(7) = -1 EBADF (Bad file descriptor) [pid 5683] close(8) = -1 EBADF (Bad file descriptor) [pid 5683] close(9 [pid 5684] +++ exited with 0 +++ [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5680] +++ exited with 0 +++ [pid 5683] close(10 [pid 5622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=9 /* 0.09 s */} --- [pid 5687] <... close resumed>) = 0 [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5687] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5683] close(11 [pid 5687] <... futex resumed>) = 1 [pid 5685] <... futex resumed>) = 0 [pid 5685] close(3 [pid 5687] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5685] <... close resumed>) = 0 [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5622] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5683] close(12 [pid 5685] close(4 [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5685] <... close resumed>) = 0 [pid 5683] close(13 [pid 5622] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5685] close(5 [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5622] <... openat resumed>) = 3 [pid 5685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5685] close(6 [pid 5683] close(14 [pid 5622] fstat(3 [pid 5685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5622] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=80, ...}) = 0 [pid 5685] close(7 [pid 5683] close(15 [pid 5622] getdents64(3 [pid 5685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5622] <... getdents64 resumed>, 0x5555649df850 /* 4 entries */, 32768) = 112 [pid 5683] close(16 [pid 5622] umount2("./3/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5685] close(8 [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5685] close(9 [pid 5683] close(17 [pid 5685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5685] close(10 [pid 5683] close(18 [pid 5685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5683] close(19 [pid 5685] close(11 [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5683] close(20 [pid 5685] close(12 [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5683] close(21 [pid 5685] close(13 [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5683] close(22 [pid 5685] close(14 [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5683] close(23 [pid 5623] <... umount2 resumed>) = 0 [pid 5685] close(15) = -1 EBADF (Bad file descriptor) [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5685] close(16 [pid 5683] close(24 [pid 5685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5685] close(17) = -1 EBADF (Bad file descriptor) [pid 5683] close(25 [pid 5685] close(18 [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] umount2("./3/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5683] close(26 [pid 5685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] newfstatat(AT_FDCWD, "./3/file1" [pid 5685] close(19 [pid 5683] close(27 [pid 5685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5685] close(20 [pid 5683] close(28 [pid 5623] umount2("./3/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5685] close(21 [pid 5683] close(29 [pid 5685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5683] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] openat(AT_FDCWD, "./3/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5683] exit_group(0 [pid 5623] fstat(4 [pid 5685] close(22 [pid 5623] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 5685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] getdents64(4 [pid 5685] close(23 [pid 5683] <... exit_group resumed>) = ? [pid 5623] <... getdents64 resumed>, 0x5555649e7890 /* 2 entries */, 32768) = 48 [pid 5685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] getdents64(4 [pid 5685] close(24 [pid 5623] <... getdents64 resumed>, 0x5555649e7890 /* 0 entries */, 32768) = 0 [pid 5686] <... futex resumed>) = ? [pid 5624] <... umount2 resumed>) = 0 [pid 5685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] close(4 [pid 5685] close(25 [pid 5623] <... close resumed>) = 0 [pid 5685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] rmdir("./3/file1" [pid 5685] close(26 [pid 5624] umount2("./3/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5623] <... rmdir resumed>) = 0 [pid 5685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5623] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5685] close(27 [pid 5624] newfstatat(AT_FDCWD, "./3/file1" [pid 5623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5623] newfstatat(AT_FDCWD, "./3/binderfs" [pid 5685] close(28 [pid 5624] umount2("./3/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5623] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5623] unlink("./3/binderfs" [pid 5685] close(29) = -1 EBADF (Bad file descriptor) [pid 5685] exit_group(0 [pid 5623] <... unlink resumed>) = 0 [pid 5688] <... futex resumed>) = ? [pid 5687] <... futex resumed>) = ? [pid 5685] <... exit_group resumed>) = ? [pid 5624] openat(AT_FDCWD, "./3/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5623] getdents64(3 [pid 5688] +++ exited with 0 +++ [pid 5624] <... openat resumed>) = 4 [pid 5623] <... getdents64 resumed>, 0x5555649df850 /* 0 entries */, 32768) = 0 [pid 5623] close(3) = 0 [pid 5624] fstat(4 [pid 5623] rmdir("./3" [pid 5624] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 5623] <... rmdir resumed>) = 0 [pid 5624] getdents64(4, 0x5555649e7890 /* 2 entries */, 32768) = 48 [pid 5687] +++ exited with 0 +++ [pid 5686] +++ exited with 0 +++ [pid 5685] +++ exited with 0 +++ [pid 5683] +++ exited with 0 +++ [pid 5624] getdents64(4 [pid 5623] mkdir("./4", 0777 [pid 5625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=0, si_stime=13 /* 0.13 s */} --- [pid 5624] <... getdents64 resumed>, 0x5555649e7890 /* 0 entries */, 32768) = 0 [pid 5623] <... mkdir resumed>) = 0 [pid 5621] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=0, si_stime=12 /* 0.12 s */} --- [pid 5624] close(4 [pid 5623] openat(AT_FDCWD, "/dev/loop1", O_RDONLY [pid 5625] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5624] <... close resumed>) = 0 [pid 5623] <... openat resumed>) = 3 [pid 5621] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5624] rmdir("./3/file1" [pid 5623] ioctl(3, LOOP_CLR_FD [pid 5625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5624] <... rmdir resumed>) = 0 [pid 5623] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5621] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5625] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5623] close(3 [pid 5621] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5623] <... close resumed>) = 0 [pid 5625] <... openat resumed>) = 3 [pid 5621] <... openat resumed>) = 3 [pid 5625] fstat(3 [pid 5624] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5623] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5625] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=80, ...}) = 0 [pid 5624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5622] <... umount2 resumed>) = 0 [pid 5621] fstat(3 [pid 5623] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5625] getdents64(3 [pid 5624] newfstatat(AT_FDCWD, "./3/binderfs" [pid 5623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5622] umount2("./3/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5621] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=80, ...}) = 0 [pid 5625] <... getdents64 resumed>, 0x5555649df850 /* 4 entries */, 32768) = 112 [pid 5624] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5625] umount2("./3/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5624] unlink("./3/binderfs" [pid 5622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5621] getdents64(3 [pid 5622] newfstatat(AT_FDCWD, "./3/file1" [pid 5621] <... getdents64 resumed>, 0x5555649df850 /* 4 entries */, 32768) = 112 [pid 5624] <... unlink resumed>) = 0 [pid 5622] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5621] umount2("./3/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5622] umount2("./3/file1", MNT_FORCE|UMOUNT_NOFOLLOWci2-upstream-fs/strace-static-x86_64: Process 5689 attached [pid 5624] getdents64(3 [pid 5623] <... clone resumed>, child_tidptr=0x5555649de790) = 11 [pid 5622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5624] <... getdents64 resumed>, 0x5555649df850 /* 0 entries */, 32768) = 0 [pid 5623] rt_sigprocmask(SIG_SETMASK, [] [pid 5622] openat(AT_FDCWD, "./3/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5624] close(3 [pid 5689] set_robust_list(0x5555649de7a0, 24 [pid 5623] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5622] <... openat resumed>) = 4 [pid 5689] <... set_robust_list resumed>) = 0 [pid 5624] <... close resumed>) = 0 [pid 5622] fstat(4 [pid 5689] rt_sigprocmask(SIG_SETMASK, [] [pid 5624] rmdir("./3" [pid 5622] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 5689] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5689] chdir("./4" [pid 5624] <... rmdir resumed>) = 0 [pid 5622] getdents64(4 [pid 5689] <... chdir resumed>) = 0 [pid 5624] mkdir("./4", 0777 [pid 5622] <... getdents64 resumed>, 0x5555649e7890 /* 2 entries */, 32768) = 48 [pid 5689] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5624] <... mkdir resumed>) = 0 [pid 5622] getdents64(4 [pid 5689] <... prctl resumed>) = 0 [pid 5622] <... getdents64 resumed>, 0x5555649e7890 /* 0 entries */, 32768) = 0 [pid 5689] setpgid(0, 0 [pid 5622] close(4 [pid 5689] <... setpgid resumed>) = 0 [pid 5689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5622] <... close resumed>) = 0 [pid 5689] write(3, "1000", 4 [pid 5624] openat(AT_FDCWD, "/dev/loop3", O_RDONLY [pid 5622] rmdir("./3/file1" [pid 5689] <... write resumed>) = 4 [pid 5624] <... openat resumed>) = 3 [pid 5689] close(3) = 0 [pid 5624] ioctl(3, LOOP_CLR_FD [pid 5622] <... rmdir resumed>) = 0 [pid 5689] read(200 [pid 5624] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5622] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5689] <... read resumed>, 0x7ffd53cefa10, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5624] close(3 [pid 5689] symlink("/dev/binderfs", "./binderfs" [pid 5624] <... close resumed>) = 0 [pid 5622] newfstatat(AT_FDCWD, "./3/binderfs" [pid 5689] <... symlink resumed>) = 0 [pid 5622] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5624] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5622] unlink("./3/binderfs" [pid 5689] write(1, "executing program\n", 18 [pid 5624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5622] <... unlink resumed>) = 0 executing program [pid 5689] <... write resumed>) = 18 [pid 5622] getdents64(3 [pid 5689] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] <... getdents64 resumed>, 0x5555649df850 /* 0 entries */, 32768) = 0 [pid 5689] <... futex resumed>) = 0 [pid 5622] close(3) = 0 [pid 5689] rt_sigaction(SIGRT_1, {sa_handler=0x7fcb98317070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcb982c8dc0} [pid 5622] rmdir("./3" [pid 5689] <... rt_sigaction resumed>, NULL, 8) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5690 attached [pid 5689] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5624] <... clone resumed>, child_tidptr=0x5555649de790) = 12 [pid 5622] <... rmdir resumed>) = 0 [pid 5689] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5624] rt_sigprocmask(SIG_SETMASK, [] [pid 5622] mkdir("./4", 0777 [pid 5690] set_robust_list(0x5555649de7a0, 24 [pid 5624] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5690] <... set_robust_list resumed>) = 0 [pid 5689] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcb98290000 [pid 5622] <... mkdir resumed>) = 0 [pid 5690] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5689] mprotect(0x7fcb98291000, 131072, PROT_READ|PROT_WRITE [pid 5622] openat(AT_FDCWD, "/dev/loop2", O_RDONLY [pid 5689] <... mprotect resumed>) = 0 [pid 5689] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5689] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb982b0990, parent_tid=0x7fcb982b0990, exit_signal=0, stack=0x7fcb98290000, stack_size=0x20200, tls=0x7fcb982b06c0}ci2-upstream-fs/strace-static-x86_64: Process 5691 attached [pid 5690] chdir("./4" [pid 5622] <... openat resumed>) = 3 [pid 5691] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5690] <... chdir resumed>) = 0 [pid 5689] <... clone3 resumed> => {parent_tid=[12]}, 88) = 12 [pid 5690] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5689] rt_sigprocmask(SIG_SETMASK, [] [pid 5622] ioctl(3, LOOP_CLR_FD [pid 5691] <... rseq resumed>) = 0 [pid 5691] set_robust_list(0x7fcb982b09a0, 24 [pid 5690] <... prctl resumed>) = 0 [pid 5622] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5690] setpgid(0, 0 [pid 5622] close(3 [pid 5691] <... set_robust_list resumed>) = 0 [pid 5689] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5690] <... setpgid resumed>) = 0 [pid 5622] <... close resumed>) = 0 [pid 5691] rt_sigprocmask(SIG_SETMASK, [] [pid 5689] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5691] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5689] <... futex resumed>) = 0 [pid 5691] memfd_create("syzkaller", 0 [pid 5690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5689] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5622] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5691] <... memfd_create resumed>) = 3 [pid 5690] <... openat resumed>) = 3 [pid 5622] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5691] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5691] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5690] write(3, "1000", 4) = 4 [pid 5690] close(3) = 0 [pid 5690] read(200, 0x7ffd53cefa10, 1000) = -1 EAGAIN (Resource temporarily unavailable) ci2-upstream-fs/strace-static-x86_64: Process 5692 attached [pid 5690] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5690] write(1, "executing program\n", 18 [pid 5692] set_robust_list(0x5555649de7a0, 24 [pid 5690] <... write resumed>) = 18 [pid 5692] <... set_robust_list resumed>) = 0 [pid 5690] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 5622] <... clone resumed>, child_tidptr=0x5555649de790) = 13 [pid 5692] rt_sigprocmask(SIG_SETMASK, [] [pid 5690] <... futex resumed>) = 0 [pid 5622] rt_sigprocmask(SIG_SETMASK, [] [pid 5690] rt_sigaction(SIGRT_1, {sa_handler=0x7fcb98317070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcb982c8dc0} [pid 5622] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5690] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5692] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5691] 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 [pid 5690] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5692] chdir("./4" [pid 5690] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5621] <... umount2 resumed>) = 0 [pid 5690] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5692] <... chdir resumed>) = 0 [pid 5690] <... mmap resumed>) = 0x7fcb98290000 [pid 5621] umount2("./3/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5690] mprotect(0x7fcb98291000, 131072, PROT_READ|PROT_WRITE [pid 5621] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5692] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5690] <... mprotect resumed>) = 0 [pid 5621] newfstatat(AT_FDCWD, "./3/file1" [pid 5692] <... prctl resumed>) = 0 [pid 5690] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5621] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5621] umount2("./3/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5692] setpgid(0, 0 [pid 5690] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5621] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5692] <... setpgid resumed>) = 0 [pid 5692] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5690] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb982b0990, parent_tid=0x7fcb982b0990, exit_signal=0, stack=0x7fcb98290000, stack_size=0x20200, tls=0x7fcb982b06c0} [pid 5621] openat(AT_FDCWD, "./3/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-upstream-fs/strace-static-x86_64: Process 5693 attached [pid 5692] <... openat resumed>) = 3 [pid 5693] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5692] write(3, "1000", 4 [pid 5621] <... openat resumed>) = 4 [pid 5693] <... rseq resumed>) = 0 [pid 5690] <... clone3 resumed> => {parent_tid=[13]}, 88) = 13 [pid 5621] fstat(4 [pid 5693] set_robust_list(0x7fcb982b09a0, 24 [pid 5690] rt_sigprocmask(SIG_SETMASK, [] [pid 5693] <... set_robust_list resumed>) = 0 [pid 5690] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5621] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 5693] rt_sigprocmask(SIG_SETMASK, [] [pid 5692] <... write resumed>) = 4 [pid 5690] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5690] <... futex resumed>) = 0 [pid 5621] getdents64(4 [pid 5690] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5621] <... getdents64 resumed>, 0x5555649e7890 /* 2 entries */, 32768) = 48 [pid 5693] memfd_create("syzkaller", 0 [pid 5692] close(3 [pid 5693] <... memfd_create resumed>) = 3 [pid 5692] <... close resumed>) = 0 [pid 5621] getdents64(4 [pid 5693] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5621] <... getdents64 resumed>, 0x5555649e7890 /* 0 entries */, 32768) = 0 [pid 5693] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5621] close(4 [pid 5692] read(200 [pid 5621] <... close resumed>) = 0 [pid 5692] <... read resumed>, 0x7ffd53cefa10, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5621] rmdir("./3/file1" [pid 5692] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5621] <... rmdir resumed>) = 0 [pid 5692] write(1, "executing program\n", 18) = 18 [pid 5621] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 5692] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5691] <... write resumed>) = 1048576 [pid 5621] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5692] rt_sigaction(SIGRT_1, {sa_handler=0x7fcb98317070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcb982c8dc0}, NULL, 8) = 0 [pid 5625] <... umount2 resumed>) = 0 [pid 5621] newfstatat(AT_FDCWD, "./3/binderfs" [pid 5693] 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 [pid 5621] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5692] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5691] munmap(0x7fcb8fe90000, 138412032 [pid 5692] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5691] <... munmap resumed>) = 0 [pid 5625] umount2("./3/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5621] unlink("./3/binderfs" [pid 5692] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcb98290000 [pid 5692] mprotect(0x7fcb98291000, 131072, PROT_READ|PROT_WRITE [pid 5691] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5692] <... mprotect resumed>) = 0 [pid 5691] <... openat resumed>) = 4 [pid 5625] newfstatat(AT_FDCWD, "./3/file1", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5691] ioctl(4, LOOP_SET_FD, 3 [pid 5625] umount2("./3/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5625] openat(AT_FDCWD, "./3/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5692] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5625] <... openat resumed>) = 4 [pid 5621] <... unlink resumed>) = 0 [pid 5621] getdents64(3 [pid 5692] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5692] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb982b0990, parent_tid=0x7fcb982b0990, exit_signal=0, stack=0x7fcb98290000, stack_size=0x20200, tls=0x7fcb982b06c0} [pid 5625] fstat(4 [pid 5621] <... getdents64 resumed>, 0x5555649df850 /* 0 entries */, 32768) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5694 attached [pid 5694] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5625] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 5621] close(3 [pid 5694] <... rseq resumed>) = 0 [pid 5692] <... clone3 resumed> => {parent_tid=[14]}, 88) = 14 [pid 5691] <... ioctl resumed>) = 0 [pid 5621] <... close resumed>) = 0 [pid 5694] set_robust_list(0x7fcb982b09a0, 24 [pid 5692] rt_sigprocmask(SIG_SETMASK, [] [pid 5625] getdents64(4 [pid 5694] <... set_robust_list resumed>) = 0 [pid 5691] close(3 [pid 5621] rmdir("./3" [pid 5694] rt_sigprocmask(SIG_SETMASK, [] [pid 5693] <... write resumed>) = 1048576 [pid 5692] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5691] <... close resumed>) = 0 [pid 5625] <... getdents64 resumed>, 0x5555649e7890 /* 2 entries */, 32768) = 48 [pid 5621] <... rmdir resumed>) = 0 [pid 5692] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5691] close(4 [pid 5621] mkdir("./4", 0777 [pid 5694] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5693] munmap(0x7fcb8fe90000, 138412032 [pid 5692] <... futex resumed>) = 0 [pid 5691] <... close resumed>) = 0 [pid 5625] getdents64(4 [pid 5694] memfd_create("syzkaller", 0 [pid 5692] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5691] mkdir("./file1", 0777 [pid 5625] <... getdents64 resumed>, 0x5555649e7890 /* 0 entries */, 32768) = 0 [pid 5621] <... mkdir resumed>) = 0 [pid 5694] <... memfd_create resumed>) = 3 [pid 5693] <... munmap resumed>) = 0 [pid 5621] openat(AT_FDCWD, "/dev/loop0", O_RDONLY [pid 5694] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5693] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5691] <... mkdir resumed>) = 0 [pid 5625] close(4 [pid 5621] <... openat resumed>) = 3 [pid 5694] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5693] <... openat resumed>) = 4 [pid 5691] mount("/dev/loop1", "./file1", "udf", 0, "noadinicb,nostrict,mode=00000000000000000000004,uid=forget,noadinicb,umask=00000000000000040002000,l"... [pid 5625] <... close resumed>) = 0 [pid 5693] ioctl(4, LOOP_SET_FD, 3 [pid 5625] rmdir("./3/file1" [ 139.038793][ T5691] loop1: detected capacity change from 0 to 2048 [pid 5621] ioctl(3, LOOP_CLR_FD [pid 5625] <... rmdir resumed>) = 0 [pid 5621] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5693] <... ioctl resumed>) = 0 [pid 5621] close(3 [pid 5625] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5621] <... close resumed>) = 0 [pid 5693] close(3 [pid 5621] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5694] 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 [pid 5693] <... close resumed>) = 0 [pid 5625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5621] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5621] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5695 attached [pid 5693] close(4 [pid 5691] <... mount resumed>) = 0 [pid 5625] newfstatat(AT_FDCWD, "./3/binderfs" [pid 5695] set_robust_list(0x5555649de7a0, 24 [pid 5693] <... close resumed>) = 0 [pid 5691] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5625] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5621] <... clone resumed>, child_tidptr=0x5555649de790) = 12 [pid 5695] <... set_robust_list resumed>) = 0 [pid 5693] mkdir("./file1", 0777 [pid 5691] <... openat resumed>) = 3 [pid 5625] unlink("./3/binderfs" [pid 5621] rt_sigprocmask(SIG_SETMASK, [] [pid 5625] <... unlink resumed>) = 0 [pid 5695] rt_sigprocmask(SIG_SETMASK, [] [pid 5693] <... mkdir resumed>) = 0 [pid 5691] chdir("./file1" [pid 5621] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5695] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5695] chdir("./4" [pid 5691] <... chdir resumed>) = 0 [pid 5625] getdents64(3 [pid 5695] <... chdir resumed>) = 0 [pid 5693] mount("/dev/loop3", "./file1", "udf", 0, "noadinicb,nostrict,mode=00000000000000000000004,uid=forget,noadinicb,umask=00000000000000040002000,l"... [pid 5691] openat(AT_FDCWD, "/dev/loop1", O_RDONLY [pid 5695] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5625] <... getdents64 resumed>, 0x5555649df850 /* 0 entries */, 32768) = 0 [pid 5695] <... prctl resumed>) = 0 [pid 5691] <... openat resumed>) = 4 [pid 5625] close(3 [pid 5695] setpgid(0, 0 [pid 5691] ioctl(4, LOOP_CLR_FD [pid 5625] <... close resumed>) = 0 [pid 5695] <... setpgid resumed>) = 0 [pid 5691] <... ioctl resumed>) = 0 [pid 5625] rmdir("./3" [pid 5695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5691] close(4 [pid 5625] <... rmdir resumed>) = 0 [pid 5691] <... close resumed>) = 0 [pid 5695] <... openat resumed>) = 3 [pid 5691] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [ 139.102728][ T5693] loop3: detected capacity change from 0 to 2048 [ 139.129693][ T5691] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5695] write(3, "1000", 4 [pid 5691] <... futex resumed>) = 1 [pid 5689] <... futex resumed>) = 0 [pid 5625] mkdir("./4", 0777 [pid 5695] <... write resumed>) = 4 [pid 5691] link("./file1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5689] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5695] close(3 [pid 5694] <... write resumed>) = 1048576 [pid 5689] <... futex resumed>) = 0 [pid 5625] <... mkdir resumed>) = 0 [pid 5695] <... close resumed>) = 0 [pid 5693] <... mount resumed>) = 0 [pid 5691] <... link resumed>) = 0 [pid 5695] read(200 [pid 5694] munmap(0x7fcb8fe90000, 138412032 [pid 5693] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5691] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5689] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5625] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5695] <... read resumed>, 0x7ffd53cefa10, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5694] <... munmap resumed>) = 0 [pid 5693] <... openat resumed>) = 3 [pid 5691] <... futex resumed>) = 0 [pid 5689] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5695] symlink("/dev/binderfs", "./binderfs" [pid 5694] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5693] chdir("./file1" [pid 5625] <... openat resumed>) = 3 [pid 5695] <... symlink resumed>) = 0 [pid 5691] mkdir(".", 0777 [pid 5689] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5694] <... openat resumed>) = 4 [pid 5693] <... chdir resumed>) = 0 [pid 5691] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5689] <... futex resumed>) = 0 [pid 5625] ioctl(3, LOOP_CLR_FD [pid 5695] write(1, "executing program\n", 18 executing program [pid 5694] ioctl(4, LOOP_SET_FD, 3 [pid 5693] openat(AT_FDCWD, "/dev/loop3", O_RDONLY [pid 5695] <... write resumed>) = 18 [pid 5694] <... ioctl resumed>) = 0 [pid 5693] <... openat resumed>) = 4 [pid 5691] mount(NULL, ".", 0x200000000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_POSIXACL|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5689] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5695] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5694] close(3 [pid 5693] ioctl(4, LOOP_CLR_FD [pid 5695] <... futex resumed>) = 0 [pid 5695] rt_sigaction(SIGRT_1, {sa_handler=0x7fcb98317070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcb982c8dc0}, NULL, 8) = 0 [pid 5695] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5695] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcb98290000 [pid 5694] <... close resumed>) = 0 [pid 5693] <... ioctl resumed>) = 0 [pid 5625] close(3 [pid 5695] mprotect(0x7fcb98291000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5694] close(4 [pid 5693] close(4 [pid 5625] <... close resumed>) = 0 [pid 5695] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5693] <... close resumed>) = 0 [pid 5693] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5695] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5695] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb982b0990, parent_tid=0x7fcb982b0990, exit_signal=0, stack=0x7fcb98290000, stack_size=0x20200, tls=0x7fcb982b06c0} [pid 5694] <... close resumed>) = 0 [pid 5693] <... futex resumed>) = 1 [pid 5690] <... futex resumed>) = 0 [pid 5625] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5694] mkdir("./file1", 0777 [pid 5693] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5696 attached [pid 5694] <... mkdir resumed>) = 0 [pid 5690] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5695] <... clone3 resumed> => {parent_tid=[13]}, 88) = 13 [pid 5694] mount("/dev/loop2", "./file1", "udf", 0, "noadinicb,nostrict,mode=00000000000000000000004,uid=forget,noadinicb,umask=00000000000000040002000,l"... [pid 5693] <... futex resumed>) = 0 [pid 5691] <... mount resumed>) = 0 [pid 5690] <... futex resumed>) = 1 [pid 5693] link("./file1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5691] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5690] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5695] rt_sigprocmask(SIG_SETMASK, [] [pid 5696] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5693] <... link resumed>) = 0 [pid 5691] <... openat resumed>) = 4 [ 139.198713][ T5693] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 139.229965][ T5694] loop2: detected capacity change from 0 to 2048 [pid 5696] <... rseq resumed>) = 0 [pid 5695] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5691] chdir("." [pid 5696] set_robust_list(0x7fcb982b09a0, 24 [pid 5695] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5691] <... chdir resumed>) = 0 [pid 5696] <... set_robust_list resumed>) = 0 [pid 5695] <... futex resumed>) = 0 [pid 5693] <... futex resumed>) = 1 [pid 5691] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] <... futex resumed>) = 0 [pid 5696] rt_sigprocmask(SIG_SETMASK, [] [pid 5693] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5695] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5691] <... futex resumed>) = 1 [pid 5690] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5689] <... futex resumed>) = 0 [pid 5696] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5693] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5691] openat(AT_FDCWD, NULL, O_RDONLY|O_CLOEXEC [pid 5690] <... futex resumed>) = 0 [pid 5689] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5696] memfd_create("syzkaller", 0 [pid 5693] mkdir(".", 0777 [pid 5691] <... openat resumed>) = -1 EFAULT (Bad address) ci2-upstream-fs/strace-static-x86_64: Process 5697 attached [pid 5696] <... memfd_create resumed>) = 3 [pid 5693] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5691] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5689] <... futex resumed>) = 0 [pid 5697] set_robust_list(0x5555649de7a0, 24 [pid 5696] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5697] <... set_robust_list resumed>) = 0 [pid 5696] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5691] <... futex resumed>) = 0 [pid 5689] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5625] <... clone resumed>, child_tidptr=0x5555649de790) = 12 [pid 5697] rt_sigprocmask(SIG_SETMASK, [] [pid 5693] mount(NULL, ".", 0x200000000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_POSIXACL|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5691] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5689] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5625] rt_sigprocmask(SIG_SETMASK, [] [pid 5697] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5697] chdir("./4" [pid 5689] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5697] <... chdir resumed>) = 0 [pid 5691] <... futex resumed>) = 0 [pid 5689] <... futex resumed>) = 1 [pid 5697] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5696] 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 [pid 5694] <... mount resumed>) = 0 [pid 5693] <... mount resumed>) = 0 [pid 5691] memfd_create("syzkaller", 0 [pid 5689] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5697] <... prctl resumed>) = 0 [pid 5693] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5691] <... memfd_create resumed>) = 5 [pid 5697] setpgid(0, 0 [pid 5694] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5693] <... openat resumed>) = 4 [pid 5691] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5697] <... setpgid resumed>) = 0 [pid 5693] chdir("." [ 139.304106][ T5694] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5694] <... openat resumed>) = 3 [pid 5691] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5694] chdir("./file1" [pid 5693] <... chdir resumed>) = 0 [pid 5697] <... openat resumed>) = 3 [pid 5694] <... chdir resumed>) = 0 [pid 5693] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5697] write(3, "1000", 4 [pid 5694] openat(AT_FDCWD, "/dev/loop2", O_RDONLY [pid 5693] <... futex resumed>) = 1 [pid 5690] <... futex resumed>) = 0 [pid 5697] <... write resumed>) = 4 [pid 5694] <... openat resumed>) = 4 [pid 5690] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5697] close(3 [pid 5690] <... futex resumed>) = 0 [pid 5697] <... close resumed>) = 0 [pid 5694] ioctl(4, LOOP_CLR_FD [pid 5690] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5697] read(200, 0x7ffd53cefa10, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5694] <... ioctl resumed>) = 0 [pid 5693] openat(AT_FDCWD, NULL, O_RDONLY|O_CLOEXEC [pid 5691] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 [pid 5697] symlink("/dev/binderfs", "./binderfs" [pid 5694] close(4 [pid 5693] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5694] <... close resumed>) = 0 [pid 5694] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5697] <... symlink resumed>) = 0 [pid 5697] write(1, "executing program\n", 18 [pid 5694] <... futex resumed>) = 1 [pid 5693] <... futex resumed>) = 1 [pid 5692] <... futex resumed>) = 0 [pid 5690] <... futex resumed>) = 0 executing program [pid 5697] <... write resumed>) = 18 [pid 5694] link("./file1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5693] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5692] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5697] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5696] <... write resumed>) = 1048576 [pid 5697] <... futex resumed>) = 0 [pid 5697] rt_sigaction(SIGRT_1, {sa_handler=0x7fcb98317070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcb982c8dc0} [pid 5693] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5692] <... futex resumed>) = 0 [pid 5690] <... futex resumed>) = 0 [pid 5697] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5696] munmap(0x7fcb8fe90000, 138412032 [pid 5694] <... link resumed>) = 0 [pid 5693] memfd_create("syzkaller", 0 [pid 5692] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5697] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5696] <... munmap resumed>) = 0 [pid 5694] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] <... memfd_create resumed>) = 5 [pid 5692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5690] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5697] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5694] <... futex resumed>) = 0 [pid 5692] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5697] <... mmap resumed>) = 0x7fcb98290000 [pid 5694] mkdir(".", 0777 [pid 5693] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5692] <... futex resumed>) = 0 [pid 5697] mprotect(0x7fcb98291000, 131072, PROT_READ|PROT_WRITE [pid 5696] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5693] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5697] <... mprotect resumed>) = 0 [pid 5696] <... openat resumed>) = 4 [pid 5694] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5692] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5697] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5696] ioctl(4, LOOP_SET_FD, 3 [pid 5697] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5696] <... ioctl resumed>) = 0 [pid 5694] mount(NULL, ".", 0x200000000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_POSIXACL|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5697] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb982b0990, parent_tid=0x7fcb982b0990, exit_signal=0, stack=0x7fcb98290000, stack_size=0x20200, tls=0x7fcb982b06c0} [pid 5693] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 [pid 5696] close(3ci2-upstream-fs/strace-static-x86_64: Process 5698 attached ) = 0 [pid 5697] <... clone3 resumed> => {parent_tid=[13]}, 88) = 13 [pid 5696] close(4) = 0 [pid 5697] rt_sigprocmask(SIG_SETMASK, [] [pid 5698] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5696] mkdir("./file1", 0777 [pid 5698] <... rseq resumed>) = 0 [pid 5691] <... write resumed>) = 1048576 [pid 5698] set_robust_list(0x7fcb982b09a0, 24 [pid 5697] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5691] munmap(0x7fcb8fe90000, 138412032 [pid 5698] <... set_robust_list resumed>) = 0 [pid 5697] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5698] rt_sigprocmask(SIG_SETMASK, [] [pid 5697] <... futex resumed>) = 0 [pid 5698] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5697] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5698] memfd_create("syzkaller", 0) = 3 [pid 5696] <... mkdir resumed>) = 0 [pid 5693] <... write resumed>) = 1048576 [pid 5691] <... munmap resumed>) = 0 [pid 5696] mount("/dev/loop0", "./file1", "udf", 0, "noadinicb,nostrict,mode=00000000000000000000004,uid=forget,noadinicb,umask=00000000000000040002000,l"... [pid 5693] munmap(0x7fcb8fe90000, 138412032 [pid 5691] openat(AT_FDCWD, "/dev/loop1", O_RDWR [ 139.435435][ T5696] loop0: detected capacity change from 0 to 2048 [pid 5698] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5693] <... munmap resumed>) = 0 [pid 5691] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5698] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5694] <... mount resumed>) = 0 [pid 5691] close(5 [pid 5693] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5694] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4 [pid 5693] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5693] close(5 [pid 5694] chdir(".") = 0 [pid 5694] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5694] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5692] <... futex resumed>) = 0 [pid 5694] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5692] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5694] openat(AT_FDCWD, NULL, O_RDONLY|O_CLOEXEC) = -1 EFAULT (Bad address) [pid 5692] <... futex resumed>) = 0 [pid 5694] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5692] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 5692] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5694] memfd_create("syzkaller", 0 [pid 5692] <... futex resumed>) = 0 [pid 5692] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5694] <... memfd_create resumed>) = 5 [pid 5694] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5698] 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 [pid 5694] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5691] <... close resumed>) = 0 [pid 5693] <... close resumed>) = 0 [pid 5693] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5693] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5691] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] <... futex resumed>) = 0 [pid 5694] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 [pid 5691] <... futex resumed>) = 1 [pid 5690] close(3 [pid 5689] <... futex resumed>) = 0 [pid 5690] <... close resumed>) = 0 [pid 5689] close(3 [pid 5691] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5690] close(4 [pid 5689] <... close resumed>) = 0 [pid 5690] <... close resumed>) = 0 [pid 5689] close(4) = 0 [pid 5690] close(5) = -1 EBADF (Bad file descriptor) [pid 5690] close(6) = -1 EBADF (Bad file descriptor) [pid 5689] close(5 [pid 5690] close(7 [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] close(6 [pid 5690] close(8 [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] close(7 [pid 5690] close(9 [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] close(8 [pid 5690] close(10 [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5698] <... write resumed>) = 1048576 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] close(9 [pid 5698] munmap(0x7fcb8fe90000, 138412032 [pid 5696] <... mount resumed>) = 0 [pid 5690] close(11 [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5698] <... munmap resumed>) = 0 [pid 5696] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] close(10 [pid 5690] close(12 [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5696] <... openat resumed>) = 3 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] close(11 [pid 5698] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5690] close(13 [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] close(12 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5698] <... openat resumed>) = 4 [pid 5696] chdir("./file1" [pid 5694] <... write resumed>) = 1048576 [pid 5690] close(14 [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5698] ioctl(4, LOOP_SET_FD, 3 [pid 5696] <... chdir resumed>) = 0 [pid 5694] munmap(0x7fcb8fe90000, 138412032 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] close(13 [pid 5696] openat(AT_FDCWD, "/dev/loop0", O_RDONLY [pid 5698] <... ioctl resumed>) = 0 [pid 5694] <... munmap resumed>) = 0 [pid 5690] close(15 [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5696] <... openat resumed>) = 4 [ 139.564950][ T5696] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5698] close(3 [pid 5696] ioctl(4, LOOP_CLR_FD [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] close(14 [pid 5694] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5696] <... ioctl resumed>) = 0 [pid 5698] <... close resumed>) = 0 [pid 5694] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5690] close(16 [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5698] close(4 [pid 5696] close(4 [pid 5694] close(5 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] close(15) = -1 EBADF (Bad file descriptor) [pid 5690] close(17 [pid 5689] close(16 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5698] <... close resumed>) = 0 [pid 5696] <... close resumed>) = 0 [pid 5690] close(18 [pid 5689] close(17 [pid 5698] mkdir("./file1", 0777 [pid 5696] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5698] <... mkdir resumed>) = 0 [pid 5696] <... futex resumed>) = 1 [pid 5695] <... futex resumed>) = 0 [pid 5690] close(19 [pid 5689] close(18 [pid 5696] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5695] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5698] mount("/dev/loop4", "./file1", "udf", 0, "noadinicb,nostrict,mode=00000000000000000000004,uid=forget,noadinicb,umask=00000000000000040002000,l"... [pid 5696] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5695] <... futex resumed>) = 0 [pid 5690] close(20 [pid 5689] close(19 [pid 5695] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5696] link("./file1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5690] close(21 [pid 5689] close(20 [pid 5694] <... close resumed>) = 0 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5696] <... link resumed>) = 0 [pid 5690] close(22 [pid 5689] close(21) = -1 EBADF (Bad file descriptor) [pid 5694] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] close(22 [pid 5696] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5694] <... futex resumed>) = 1 [pid 5692] <... futex resumed>) = 0 [pid 5690] close(23 [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5696] <... futex resumed>) = 1 [pid 5695] <... futex resumed>) = 0 [pid 5694] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5692] close(3 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] close(23 [pid 5696] mkdir(".", 0777 [pid 5695] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5690] close(24 [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5695] <... futex resumed>) = 0 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] close(24 [pid 5695] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5692] <... close resumed>) = 0 [pid 5690] close(25 [pid 5692] close(4) = 0 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 139.624982][ T5698] loop4: detected capacity change from 0 to 2048 [pid 5696] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5696] mount(NULL, ".", 0x200000000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_POSIXACL|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5692] close(5 [pid 5690] close(26 [pid 5689] close(25 [pid 5692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5692] close(6 [pid 5690] close(27 [pid 5689] close(26 [pid 5696] <... mount resumed>) = 0 [pid 5692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5692] close(7) = -1 EBADF (Bad file descriptor) [pid 5692] close(8) = -1 EBADF (Bad file descriptor) [pid 5692] close(9) = -1 EBADF (Bad file descriptor) [pid 5692] close(10) = -1 EBADF (Bad file descriptor) [pid 5692] close(11) = -1 EBADF (Bad file descriptor) [pid 5689] close(27 [pid 5696] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5692] close(12 [pid 5690] close(28 [pid 5696] <... openat resumed>) = 4 [pid 5692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5696] chdir("." [pid 5690] close(29 [pid 5689] close(28 [pid 5696] <... chdir resumed>) = 0 [pid 5692] close(13 [pid 5690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5696] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5690] exit_group(0 [pid 5689] close(29 [pid 5696] <... futex resumed>) = 1 [pid 5695] <... futex resumed>) = 0 [pid 5693] <... futex resumed>) = ? [pid 5692] close(14 [pid 5690] <... exit_group resumed>) = ? [pid 5689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5696] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5695] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] +++ exited with 0 +++ [pid 5692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5689] exit_group(0 [pid 5696] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5695] <... futex resumed>) = 0 [pid 5692] close(15 [pid 5691] <... futex resumed>) = ? [pid 5689] <... exit_group resumed>) = ? [pid 5696] openat(AT_FDCWD, NULL, O_RDONLY|O_CLOEXEC [pid 5695] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5696] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5692] close(16 [pid 5698] <... mount resumed>) = 0 [pid 5696] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5696] <... futex resumed>) = 1 [pid 5698] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5695] <... futex resumed>) = 0 [pid 5692] close(17 [pid 5690] +++ exited with 0 +++ [pid 5698] <... openat resumed>) = 3 [pid 5696] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5695] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5691] +++ exited with 0 +++ [pid 5689] +++ exited with 0 +++ [pid 5698] chdir("./file1" [pid 5696] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5695] <... futex resumed>) = 0 [pid 5695] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5692] close(18 [pid 5698] <... chdir resumed>) = 0 [pid 5696] memfd_create("syzkaller", 0 [pid 5624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 5692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5698] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5696] <... memfd_create resumed>) = 5 [pid 5692] close(19 [pid 5624] <... restart_syscall resumed>) = 0 [pid 5623] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5698] <... openat resumed>) = 4 [pid 5696] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5692] close(20 [pid 5623] <... restart_syscall resumed>) = 0 [pid 5696] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5698] ioctl(4, LOOP_CLR_FD [pid 5692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5698] <... ioctl resumed>) = 0 [pid 5692] close(21 [pid 5624] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5698] close(4 [pid 5692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5692] close(22 [ 139.733381][ T5698] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5623] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5698] <... close resumed>) = 0 [pid 5692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5698] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5692] close(23 [pid 5624] <... openat resumed>) = 3 [pid 5623] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5698] <... futex resumed>) = 1 [pid 5697] <... futex resumed>) = 0 [pid 5692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5698] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5697] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5692] close(24 [pid 5624] fstat(3 [pid 5623] <... openat resumed>) = 3 [pid 5698] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5697] <... futex resumed>) = 0 [pid 5696] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 [pid 5698] link("./file1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5697] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=80, ...}) = 0 [pid 5623] fstat(3 [pid 5692] close(25) = -1 EBADF (Bad file descriptor) [pid 5624] getdents64(3 [pid 5623] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=80, ...}) = 0 [pid 5698] <... link resumed>) = 0 [pid 5692] close(26 [pid 5624] <... getdents64 resumed>, 0x5555649df850 /* 4 entries */, 32768) = 112 [pid 5623] getdents64(3 [pid 5698] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] umount2("./4/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5698] <... futex resumed>) = 1 [pid 5697] <... futex resumed>) = 0 [pid 5692] close(27 [pid 5623] <... getdents64 resumed>, 0x5555649df850 /* 4 entries */, 32768) = 112 [pid 5698] mkdir(".", 0777 [pid 5697] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] umount2("./4/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5698] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5697] <... futex resumed>) = 0 [pid 5692] close(28 [pid 5698] mount(NULL, ".", 0x200000000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_POSIXACL|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5697] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5692] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5692] close(29) = -1 EBADF (Bad file descriptor) [pid 5692] exit_group(0 [pid 5694] <... futex resumed>) = ? [pid 5692] <... exit_group resumed>) = ? [pid 5694] +++ exited with 0 +++ [pid 5692] +++ exited with 0 +++ [pid 5622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=11 /* 0.11 s */} --- [pid 5698] <... mount resumed>) = 0 [pid 5698] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5622] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5698] <... openat resumed>) = 4 [pid 5622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5622] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5698] chdir(".") = 0 [pid 5622] <... openat resumed>) = 3 [pid 5622] fstat(3 [pid 5698] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5622] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=80, ...}) = 0 [pid 5696] <... write resumed>) = 1048576 [pid 5696] munmap(0x7fcb8fe90000, 138412032 [pid 5698] <... futex resumed>) = 1 [pid 5697] <... futex resumed>) = 0 [pid 5696] <... munmap resumed>) = 0 [pid 5622] getdents64(3 [pid 5698] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5697] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5698] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5697] <... futex resumed>) = 0 [pid 5622] <... getdents64 resumed>, 0x5555649df850 /* 4 entries */, 32768) = 112 [pid 5698] openat(AT_FDCWD, NULL, O_RDONLY|O_CLOEXEC [pid 5697] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5698] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5696] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5622] umount2("./4/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5698] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5697] <... futex resumed>) = 0 [pid 5696] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5698] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5697] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5696] close(5 [pid 5698] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5697] <... futex resumed>) = 0 [pid 5698] memfd_create("syzkaller", 0 [pid 5697] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5698] <... memfd_create resumed>) = 5 [pid 5698] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fcb8fe90000 [pid 5622] <... umount2 resumed>) = 0 [pid 5698] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 [pid 5696] <... close resumed>) = 0 [pid 5622] umount2("./4/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5696] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5696] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5695] <... futex resumed>) = 0 [pid 5622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5622] newfstatat(AT_FDCWD, "./4/file1" [pid 5695] close(3) = 0 [pid 5622] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5695] close(4 [pid 5622] umount2("./4/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5695] <... close resumed>) = 0 [pid 5695] close(5 [pid 5622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5695] close(6 [pid 5622] openat(AT_FDCWD, "./4/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] <... umount2 resumed>) = 0 [pid 5622] <... openat resumed>) = 4 [pid 5695] close(7 [pid 5624] umount2("./4/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5623] <... umount2 resumed>) = 0 [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5623] umount2("./4/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5622] fstat(4 [pid 5624] newfstatat(AT_FDCWD, "./4/file1" [pid 5695] close(8) = -1 EBADF (Bad file descriptor) [pid 5624] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5695] close(9 [pid 5624] umount2("./4/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5622] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 5624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5623] newfstatat(AT_FDCWD, "./4/file1" [pid 5624] openat(AT_FDCWD, "./4/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5622] getdents64(4 [pid 5623] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5622] <... getdents64 resumed>, 0x5555649e7890 /* 2 entries */, 32768) = 48 [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] <... openat resumed>) = 4 [pid 5623] umount2("./4/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5622] getdents64(4, 0x5555649e7890 /* 0 entries */, 32768) = 0 [pid 5622] close(4) = 0 [pid 5695] close(10 [pid 5624] fstat(4 [pid 5623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5622] rmdir("./4/file1" [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5695] close(11 [pid 5624] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 5623] openat(AT_FDCWD, "./4/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5622] <... rmdir resumed>) = 0 [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] getdents64(4 [pid 5623] <... openat resumed>) = 4 [pid 5695] close(12 [pid 5624] <... getdents64 resumed>, 0x5555649e7890 /* 2 entries */, 32768) = 48 [pid 5622] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] getdents64(4 [pid 5623] fstat(4 [pid 5622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5695] close(13 [pid 5624] <... getdents64 resumed>, 0x5555649e7890 /* 0 entries */, 32768) = 0 [pid 5623] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 5622] newfstatat(AT_FDCWD, "./4/binderfs" [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5622] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5624] close(4 [pid 5623] getdents64(4 [pid 5695] close(14 [pid 5624] <... close resumed>) = 0 [pid 5623] <... getdents64 resumed>, 0x5555649e7890 /* 2 entries */, 32768) = 48 [pid 5622] unlink("./4/binderfs" [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] getdents64(4 [pid 5695] close(15 [pid 5624] rmdir("./4/file1" [pid 5623] <... getdents64 resumed>, 0x5555649e7890 /* 0 entries */, 32768) = 0 [pid 5622] <... unlink resumed>) = 0 [pid 5698] <... write resumed>) = 1048576 [pid 5623] close(4 [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5622] getdents64(3 [pid 5695] close(16 [pid 5623] <... close resumed>) = 0 [pid 5622] <... getdents64 resumed>, 0x5555649df850 /* 0 entries */, 32768) = 0 [pid 5698] munmap(0x7fcb8fe90000, 138412032 [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5622] close(3 [pid 5698] <... munmap resumed>) = 0 [pid 5695] close(17 [pid 5623] rmdir("./4/file1" [pid 5622] <... close resumed>) = 0 [pid 5698] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] <... rmdir resumed>) = 0 [pid 5622] rmdir("./4" [pid 5698] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5695] close(18 [pid 5623] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5622] <... rmdir resumed>) = 0 [pid 5698] close(5 [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5695] close(19 [pid 5622] mkdir("./5", 0777 [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] newfstatat(AT_FDCWD, "./4/binderfs" [pid 5695] close(20 [pid 5622] <... mkdir resumed>) = 0 [pid 5624] <... rmdir resumed>) = 0 [pid 5623] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5622] openat(AT_FDCWD, "/dev/loop2", O_RDONLY [pid 5695] close(21 [pid 5623] unlink("./4/binderfs" [pid 5622] <... openat resumed>) = 3 [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5623] <... unlink resumed>) = 0 [pid 5624] newfstatat(AT_FDCWD, "./4/binderfs" [pid 5623] getdents64(3 [pid 5695] close(22 [pid 5624] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5623] <... getdents64 resumed>, 0x5555649df850 /* 0 entries */, 32768) = 0 [pid 5622] ioctl(3, LOOP_CLR_FD [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5622] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5695] close(23 [pid 5624] unlink("./4/binderfs" [pid 5623] close(3 [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5622] close(3 [pid 5623] <... close resumed>) = 0 [pid 5698] <... close resumed>) = 0 [pid 5624] <... unlink resumed>) = 0 [pid 5623] rmdir("./4" [pid 5695] close(24 [pid 5622] <... close resumed>) = 0 [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5622] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5698] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5695] close(25 [pid 5624] getdents64(3 [pid 5623] <... rmdir resumed>) = 0 [pid 5622] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5698] <... futex resumed>) = 1 [pid 5697] <... futex resumed>) = 0 [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] <... getdents64 resumed>, 0x5555649df850 /* 0 entries */, 32768) = 0 [pid 5698] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5697] close(3 [pid 5695] close(26 [pid 5624] close(3 [pid 5623] mkdir("./5", 0777 [pid 5622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5697] <... close resumed>) = 0 [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] <... close resumed>) = 0 [pid 5623] <... mkdir resumed>) = 0 [pid 5697] close(4 [pid 5624] rmdir("./4" [pid 5697] <... close resumed>) = 0 [pid 5697] close(5 [pid 5695] close(27 [pid 5624] <... rmdir resumed>) = 0 [pid 5623] openat(AT_FDCWD, "/dev/loop1", O_RDONLY [pid 5697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5697] close(6) = -1 EBADF (Bad file descriptor) [pid 5695] close(28 [pid 5624] mkdir("./5", 0777ci2-upstream-fs/strace-static-x86_64: Process 5699 attached [pid 5699] set_robust_list(0x5555649de7a0, 24 [pid 5697] close(7 [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] <... mkdir resumed>) = 0 [pid 5623] <... openat resumed>) = 3 [pid 5699] <... set_robust_list resumed>) = 0 [pid 5697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5695] close(29 [pid 5699] rt_sigprocmask(SIG_SETMASK, [] [pid 5697] close(8 [pid 5695] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] openat(AT_FDCWD, "/dev/loop3", O_RDONLY [pid 5623] ioctl(3, LOOP_CLR_FD [pid 5622] <... clone resumed>, child_tidptr=0x5555649de790) = 15 [pid 5699] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5695] exit_group(0 [pid 5624] <... openat resumed>) = 3 [pid 5623] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5622] rt_sigprocmask(SIG_SETMASK, [] [pid 5697] close(9 [pid 5699] chdir("./5" [pid 5697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5696] <... futex resumed>) = ? [pid 5695] <... exit_group resumed>) = ? [pid 5624] ioctl(3, LOOP_CLR_FD [pid 5623] close(3 [pid 5622] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5699] <... chdir resumed>) = 0 [pid 5697] close(10 [pid 5696] +++ exited with 0 +++ [pid 5623] <... close resumed>) = 0 [pid 5624] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5699] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5699] <... prctl resumed>) = 0 [pid 5697] close(11 [pid 5695] +++ exited with 0 +++ [pid 5624] close(3) = 0 [pid 5624] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5699] setpgid(0, 0 [pid 5697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5623] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5699] <... setpgid resumed>) = 0 [pid 5697] close(12 [pid 5623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5621] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5697] close(13) = -1 EBADF (Bad file descriptor) [pid 5697] close(14 [pid 5621] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5697] close(15 [pid 5699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5621] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5699] <... openat resumed>) = 3 [pid 5697] close(16 [pid 5621] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] write(3, "1000", 4 [pid 5697] close(17 [pid 5621] <... openat resumed>) = 3 ci2-upstream-fs/strace-static-x86_64: Process 5700 attached [pid 5700] set_robust_list(0x5555649de7a0, 24) = 0 [pid 5700] rt_sigprocmask(SIG_SETMASK, [] [pid 5621] fstat(3 [pid 5700] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5621] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=80, ...}) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5701 attached [pid 5699] <... write resumed>) = 4 [pid 5697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] <... clone resumed>, child_tidptr=0x5555649de790) = 14 [pid 5623] <... clone resumed>, child_tidptr=0x5555649de790) = 13 [pid 5621] getdents64(3 [pid 5700] chdir("./5" [pid 5699] close(3 [pid 5697] close(18 [pid 5623] rt_sigprocmask(SIG_SETMASK, [] [pid 5621] <... getdents64 resumed>, 0x5555649df850 /* 4 entries */, 32768) = 112 [pid 5701] set_robust_list(0x5555649de7a0, 24 [pid 5700] <... chdir resumed>) = 0 [pid 5699] <... close resumed>) = 0 [pid 5697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] rt_sigprocmask(SIG_SETMASK, [] [pid 5623] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5621] umount2("./4/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5701] <... set_robust_list resumed>) = 0 [pid 5700] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5699] read(200 [pid 5697] close(19 [pid 5624] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5701] rt_sigprocmask(SIG_SETMASK, [] [pid 5700] <... prctl resumed>) = 0 [pid 5699] <... read resumed>, 0x7ffd53cefa10, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5700] setpgid(0, 0 [pid 5699] symlink("/dev/binderfs", "./binderfs" [pid 5697] close(20 [pid 5701] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5700] <... setpgid resumed>) = 0 [pid 5701] chdir("./5" [pid 5700] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5699] <... symlink resumed>) = 0 [pid 5697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5701] <... chdir resumed>) = 0 [pid 5701] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5700] <... openat resumed>) = 3 [pid 5697] close(21 [pid 5701] <... prctl resumed>) = 0 [pid 5699] write(1, "executing program\n", 18 executing program [pid 5701] setpgid(0, 0 [pid 5699] <... write resumed>) = 18 [pid 5697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5701] <... setpgid resumed>) = 0 [pid 5699] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5697] close(22 [pid 5700] write(3, "1000", 4 [pid 5699] <... futex resumed>) = 0 [pid 5697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5700] <... write resumed>) = 4 [pid 5699] rt_sigaction(SIGRT_1, {sa_handler=0x7fcb98317070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcb982c8dc0} [pid 5701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5697] close(23 [pid 5700] close(3 [pid 5699] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5700] <... close resumed>) = 0 [pid 5699] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5697] close(24 [pid 5701] <... openat resumed>) = 3 [pid 5700] read(200 [pid 5699] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5700] <... read resumed>, 0x7ffd53cefa10, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5699] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5697] close(25 [pid 5701] write(3, "1000", 4 [pid 5700] symlink("/dev/binderfs", "./binderfs" [pid 5699] <... mmap resumed>) = 0x7fcb98290000 [pid 5697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5701] <... write resumed>) = 4 [pid 5700] <... symlink resumed>) = 0 [pid 5697] close(26 [pid 5699] mprotect(0x7fcb98291000, 131072, PROT_READ|PROT_WRITE [pid 5697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5700] write(1, "executing program\n", 18 [pid 5699] <... mprotect resumed>) = 0 executing program [pid 5697] close(27 [pid 5701] close(3 [pid 5700] <... write resumed>) = 18 [pid 5699] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5701] <... close resumed>) = 0 [pid 5700] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5697] close(28 [pid 5701] read(200 [pid 5700] <... futex resumed>) = 0 [pid 5699] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb982b0990, parent_tid=0x7fcb982b0990, exit_signal=0, stack=0x7fcb98290000, stack_size=0x20200, tls=0x7fcb982b06c0} [pid 5697] <... close resumed>) = -1 EBADF (Bad file descriptor) ci2-upstream-fs/strace-static-x86_64: Process 5702 attached [pid 5701] <... read resumed>, 0x7ffd53cefa10, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5700] rt_sigaction(SIGRT_1, {sa_handler=0x7fcb98317070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcb982c8dc0} [pid 5697] close(29 [pid 5701] symlink("/dev/binderfs", "./binderfs" [pid 5697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5702] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 [pid 5701] <... symlink resumed>) = 0 [pid 5700] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5699] <... clone3 resumed> => {parent_tid=[16]}, 88) = 16 [pid 5697] exit_group(0 [pid 5702] set_robust_list(0x7fcb982b09a0, 24 [pid 5701] write(1, "executing program\n", 18 [pid 5702] <... set_robust_list resumed>) = 0 executing program [pid 5701] <... write resumed>) = 18 [pid 5702] rt_sigprocmask(SIG_SETMASK, [] [pid 5701] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5699] rt_sigprocmask(SIG_SETMASK, [] [pid 5698] <... futex resumed>) = ? [pid 5697] <... exit_group resumed>) = ? [pid 5702] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5701] <... futex resumed>) = 0 [pid 5700] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5699] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5700] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fcb98290000 [pid 5699] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] mprotect(0x7fcb98291000, 131072, PROT_READ|PROT_WRITE [pid 5699] <... futex resumed>) = 0 [pid 5700] <... mprotect resumed>) = 0 [pid 5699] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5700] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5701] rt_sigaction(SIGRT_1, {sa_handler=0x7fcb98317070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcb982c8dc0} [pid 5702] memfd_create("syzkaller", 0 [pid 5701] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5700] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb982b0990, parent_tid=0x7fcb982b0990, exit_signal=0, stack=0x7fcb98290000, stack_size=0x20200, tls=0x7fcb982b06c0} [pid 5702] <... memfd_create resumed>) = 3 [pid 5701] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5698] +++ exited with 0 +++ [pid 5697] +++ exited with 0 +++ [pid 5701] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- ci2-upstream-fs/strace-static-x86_64: Process 5703 attached [pid 5702] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5701] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5703] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5702] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5701] <... mmap resumed>) = 0x7fcb98290000 [pid 5703] <... rseq resumed>) = 0 [pid 5701] mprotect(0x7fcb98291000, 131072, PROT_READ|PROT_WRITE [pid 5700] <... clone3 resumed> => {parent_tid=[14]}, 88) = 14 [pid 5703] set_robust_list(0x7fcb982b09a0, 24 [pid 5701] <... mprotect resumed>) = 0 [pid 5703] <... set_robust_list resumed>) = 0 [pid 5625] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5701] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5700] rt_sigprocmask(SIG_SETMASK, [] [pid 5625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5703] rt_sigprocmask(SIG_SETMASK, [] [pid 5701] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5700] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5703] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5701] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb982b0990, parent_tid=0x7fcb982b0990, exit_signal=0, stack=0x7fcb98290000, stack_size=0x20200, tls=0x7fcb982b06c0} [pid 5700] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-upstream-fs/strace-static-x86_64: Process 5704 attached [pid 5703] memfd_create("syzkaller", 0 [pid 5702] 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 [pid 5700] <... futex resumed>) = 0 [pid 5704] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5701] <... clone3 resumed> => {parent_tid=[15]}, 88) = 15 [pid 5625] <... openat resumed>) = 3 [pid 5703] <... memfd_create resumed>) = 3 [pid 5700] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5704] <... rseq resumed>) = 0 [pid 5701] rt_sigprocmask(SIG_SETMASK, [] [pid 5625] fstat(3 [pid 5704] set_robust_list(0x7fcb982b09a0, 24 [pid 5701] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5703] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5621] <... umount2 resumed>) = 0 [pid 5704] <... set_robust_list resumed>) = 0 [pid 5703] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5704] rt_sigprocmask(SIG_SETMASK, [] [pid 5701] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5621] umount2("./4/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5704] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5701] <... futex resumed>) = 0 [pid 5625] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=80, ...}) = 0 [pid 5621] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5621] newfstatat(AT_FDCWD, "./4/file1" [pid 5704] memfd_create("syzkaller", 0 [pid 5701] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5625] getdents64(3 [pid 5621] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5621] umount2("./4/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5621] openat(AT_FDCWD, "./4/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5704] <... memfd_create resumed>) = 3 [pid 5621] <... openat resumed>) = 4 [pid 5621] fstat(4 [pid 5704] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5703] 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 [pid 5621] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 5621] getdents64(4, 0x5555649e7890 /* 2 entries */, 32768) = 48 [pid 5621] getdents64(4 [pid 5704] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5702] <... write resumed>) = 1048576 [pid 5625] <... getdents64 resumed>, 0x5555649df850 /* 4 entries */, 32768) = 112 [pid 5621] <... getdents64 resumed>, 0x5555649e7890 /* 0 entries */, 32768) = 0 [pid 5702] munmap(0x7fcb8fe90000, 138412032 [pid 5625] umount2("./4/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5621] close(4 [pid 5702] <... munmap resumed>) = 0 [pid 5621] <... close resumed>) = 0 [pid 5621] rmdir("./4/file1" [pid 5702] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5704] 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 [pid 5702] <... openat resumed>) = 4 [pid 5702] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5702] close(3) = 0 [pid 5621] <... rmdir resumed>) = 0 [pid 5702] close(4 [pid 5621] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5702] <... close resumed>) = 0 [pid 5702] mkdir("./file1", 0777 [pid 5621] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5702] <... mkdir resumed>) = 0 [pid 5621] newfstatat(AT_FDCWD, "./4/binderfs" [pid 5702] mount("/dev/loop2", "./file1", "udf", 0, "noadinicb,nostrict,mode=00000000000000000000004,uid=forget,noadinicb,umask=00000000000000040002000,l"... [pid 5704] <... write resumed>) = 1048576 [pid 5703] <... write resumed>) = 1048576 [pid 5621] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5704] munmap(0x7fcb8fe90000, 138412032 [pid 5621] unlink("./4/binderfs" [pid 5704] <... munmap resumed>) = 0 [pid 5621] <... unlink resumed>) = 0 [pid 5703] munmap(0x7fcb8fe90000, 138412032 [pid 5621] getdents64(3, 0x5555649df850 /* 0 entries */, 32768) = 0 [pid 5704] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5621] close(3 [pid 5704] <... openat resumed>) = 4 [pid 5621] <... close resumed>) = 0 [pid 5704] ioctl(4, LOOP_SET_FD, 3 [pid 5703] <... munmap resumed>) = 0 [pid 5621] rmdir("./4" [pid 5703] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5621] <... rmdir resumed>) = 0 [pid 5703] <... openat resumed>) = 4 [pid 5704] <... ioctl resumed>) = 0 [pid 5703] ioctl(4, LOOP_SET_FD, 3 [pid 5621] mkdir("./5", 0777 [pid 5704] close(3 [pid 5625] <... umount2 resumed>) = 0 [pid 5621] <... mkdir resumed>) = 0 [pid 5704] <... close resumed>) = 0 [pid 5703] <... ioctl resumed>) = 0 [pid 5704] close(4 [pid 5621] openat(AT_FDCWD, "/dev/loop0", O_RDONLY [pid 5704] <... close resumed>) = 0 [pid 5702] <... mount resumed>) = 0 [pid 5625] umount2("./4/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5621] <... openat resumed>) = 3 [pid 5703] close(3 [pid 5625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5703] <... close resumed>) = 0 [pid 5703] close(4 [pid 5704] mkdir("./file1", 0777 [pid 5703] <... close resumed>) = 0 [pid 5702] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5625] newfstatat(AT_FDCWD, "./4/file1" [pid 5621] ioctl(3, LOOP_CLR_FD [pid 5704] <... mkdir resumed>) = 0 [pid 5703] mkdir("./file1", 0777 [pid 5702] <... openat resumed>) = 3 [pid 5625] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5704] mount("/dev/loop3", "./file1", "udf", 0, "noadinicb,nostrict,mode=00000000000000000000004,uid=forget,noadinicb,umask=00000000000000040002000,l"... [pid 5702] chdir("./file1" [pid 5621] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5703] <... mkdir resumed>) = 0 [pid 5702] <... chdir resumed>) = 0 [pid 5625] umount2("./4/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5621] close(3 [pid 5703] mount("/dev/loop1", "./file1", "udf", 0, "noadinicb,nostrict,mode=00000000000000000000004,uid=forget,noadinicb,umask=00000000000000040002000,l"... [pid 5702] openat(AT_FDCWD, "/dev/loop2", O_RDONLY [pid 5625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5621] <... close resumed>) = 0 [ 140.394699][ T5702] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5702] <... openat resumed>) = 4 [pid 5625] openat(AT_FDCWD, "./4/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5621] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5625] <... openat resumed>) = 4 [pid 5621] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5621] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5702] ioctl(4, LOOP_CLR_FD [pid 5625] fstat(4 [pid 5702] <... ioctl resumed>) = 0 [pid 5625] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 5625] getdents64(4, 0x5555649e7890 /* 2 entries */, 32768) = 48 ci2-upstream-fs/strace-static-x86_64: Process 5705 attached [pid 5702] close(4) = 0 [pid 5625] getdents64(4 [pid 5705] set_robust_list(0x5555649de7a0, 24 [pid 5625] <... getdents64 resumed>, 0x5555649e7890 /* 0 entries */, 32768) = 0 [pid 5705] <... set_robust_list resumed>) = 0 [pid 5702] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] rt_sigprocmask(SIG_SETMASK, [] [pid 5702] <... futex resumed>) = 1 [pid 5625] close(4 [pid 5621] <... clone resumed>, child_tidptr=0x5555649de790) = 14 [pid 5621] rt_sigprocmask(SIG_SETMASK, [] [pid 5702] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5625] <... close resumed>) = 0 [pid 5621] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5699] <... futex resumed>) = 0 [pid 5625] rmdir("./4/file1" [pid 5705] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5699] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] <... futex resumed>) = 0 [pid 5699] <... futex resumed>) = 1 [pid 5705] chdir("./5" [pid 5625] <... rmdir resumed>) = 0 [pid 5702] link("./file1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5699] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5705] <... chdir resumed>) = 0 [pid 5625] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5705] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5705] <... prctl resumed>) = 0 [pid 5625] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5705] setpgid(0, 0 [pid 5702] <... link resumed>) = 0 [pid 5705] <... setpgid resumed>) = 0 [pid 5625] unlink("./4/binderfs" [pid 5705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5704] <... mount resumed>) = 0 [pid 5703] <... mount resumed>) = 0 [pid 5702] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5704] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5699] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5702] <... futex resumed>) = 0 [pid 5704] <... openat resumed>) = 3 [pid 5703] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5702] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5699] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] <... unlink resumed>) = 0 [pid 5705] <... openat resumed>) = 3 [pid 5704] chdir("./file1" [pid 5703] <... openat resumed>) = 3 [pid 5702] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5699] <... futex resumed>) = 0 [pid 5625] getdents64(3 [pid 5704] <... chdir resumed>) = 0 [pid 5625] <... getdents64 resumed>, 0x5555649df850 /* 0 entries */, 32768) = 0 [pid 5704] openat(AT_FDCWD, "/dev/loop3", O_RDONLY [pid 5703] chdir("./file1" [pid 5702] mkdir(".", 0777 [pid 5699] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5625] close(3 [pid 5705] write(3, "1000", 4 [pid 5704] <... openat resumed>) = 4 [pid 5703] <... chdir resumed>) = 0 [pid 5705] <... write resumed>) = 4 [pid 5704] ioctl(4, LOOP_CLR_FD [pid 5702] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5625] <... close resumed>) = 0 [pid 5703] openat(AT_FDCWD, "/dev/loop1", O_RDONLY [pid 5705] close(3 [pid 5704] <... ioctl resumed>) = 0 [pid 5703] <... openat resumed>) = 4 [pid 5702] mount(NULL, ".", 0x200000000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_POSIXACL|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5625] rmdir("./4" [pid 5705] <... close resumed>) = 0 [pid 5704] close(4 [pid 5703] ioctl(4, LOOP_CLR_FD [pid 5705] read(200 [pid 5704] <... close resumed>) = 0 [pid 5625] <... rmdir resumed>) = 0 [pid 5705] <... read resumed>, 0x7ffd53cefa10, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5704] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] mkdir("./5", 0777 [pid 5705] symlink("/dev/binderfs", "./binderfs" [pid 5704] <... futex resumed>) = 1 [pid 5703] <... ioctl resumed>) = 0 [pid 5701] <... futex resumed>) = 0 [pid 5705] <... symlink resumed>) = 0 [pid 5704] link("./file1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5703] close(4 [pid 5701] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] <... mkdir resumed>) = 0 [pid 5705] write(1, "executing program\n", 18 executing program [ 140.519666][ T5704] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 140.540313][ T5703] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5625] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5705] <... write resumed>) = 18 [pid 5703] <... close resumed>) = 0 [pid 5701] <... futex resumed>) = 0 [pid 5625] <... openat resumed>) = 3 [pid 5705] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5703] <... futex resumed>) = 1 [pid 5705] <... futex resumed>) = 0 [pid 5700] <... futex resumed>) = 0 [pid 5703] link("./file1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5700] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] rt_sigaction(SIGRT_1, {sa_handler=0x7fcb98317070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcb982c8dc0} [pid 5625] ioctl(3, LOOP_CLR_FD [pid 5705] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5703] <... link resumed>) = 0 [pid 5700] <... futex resumed>) = 0 [pid 5625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5703] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5625] close(3 [pid 5705] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5703] <... futex resumed>) = 0 [pid 5702] <... mount resumed>) = 0 [pid 5700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5703] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5705] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5703] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5702] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5700] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] <... close resumed>) = 0 [pid 5705] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5703] mkdir(".", 0777 [pid 5700] <... futex resumed>) = 0 [pid 5625] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5705] <... mmap resumed>) = 0x7fcb98290000 [pid 5703] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5702] <... openat resumed>) = 4 [pid 5700] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5703] mount(NULL, ".", 0x200000000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_POSIXACL|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5705] mprotect(0x7fcb98291000, 131072, PROT_READ|PROT_WRITE [pid 5702] chdir("." [pid 5705] <... mprotect resumed>) = 0 [pid 5702] <... chdir resumed>) = 0 [pid 5625] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5705] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5704] <... link resumed>) = 0 [pid 5703] <... mount resumed>) = 0 [pid 5702] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5705] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5702] <... futex resumed>) = 1 [pid 5703] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORYci2-upstream-fs/strace-static-x86_64: Process 5706 attached [pid 5705] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb982b0990, parent_tid=0x7fcb982b0990, exit_signal=0, stack=0x7fcb98290000, stack_size=0x20200, tls=0x7fcb982b06c0} [pid 5704] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5703] <... openat resumed>) = 4 [pid 5702] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5701] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5699] <... futex resumed>) = 0 [pid 5704] <... futex resumed>) = 0 [pid 5699] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000ci2-upstream-fs/strace-static-x86_64: Process 5707 attached [pid 5706] set_robust_list(0x5555649de7a0, 24 [pid 5704] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5703] chdir("." [pid 5702] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5701] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] <... clone resumed>, child_tidptr=0x5555649de790) = 14 [pid 5707] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5706] <... set_robust_list resumed>) = 0 [pid 5705] <... clone3 resumed> => {parent_tid=[15]}, 88) = 15 [pid 5704] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5703] <... chdir resumed>) = 0 [pid 5702] openat(AT_FDCWD, NULL, O_RDONLY|O_CLOEXEC [pid 5701] <... futex resumed>) = 0 [pid 5699] <... futex resumed>) = 0 [pid 5625] rt_sigprocmask(SIG_SETMASK, [] [pid 5707] <... rseq resumed>) = 0 [pid 5706] rt_sigprocmask(SIG_SETMASK, [] [pid 5705] rt_sigprocmask(SIG_SETMASK, [] [pid 5704] mkdir(".", 0777 [pid 5703] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5701] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5699] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5625] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5707] set_robust_list(0x7fcb982b09a0, 24 [pid 5706] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5705] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5704] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5703] <... futex resumed>) = 1 [pid 5702] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] <... futex resumed>) = 0 [pid 5699] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5707] <... set_robust_list resumed>) = 0 [pid 5706] chdir("./5" [pid 5705] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5704] mount(NULL, ".", 0x200000000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_POSIXACL|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5703] openat(AT_FDCWD, NULL, O_RDONLY|O_CLOEXEC [pid 5702] <... futex resumed>) = 0 [pid 5700] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5699] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5707] rt_sigprocmask(SIG_SETMASK, [] [pid 5705] <... futex resumed>) = 0 [pid 5707] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5706] <... chdir resumed>) = 0 [pid 5704] <... mount resumed>) = 0 [pid 5703] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5702] memfd_create("syzkaller", 0 [pid 5700] <... futex resumed>) = 0 [pid 5699] <... futex resumed>) = 0 [pid 5705] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5707] memfd_create("syzkaller", 0 [pid 5699] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5707] <... memfd_create resumed>) = 3 [pid 5700] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5707] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5706] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5703] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5702] <... memfd_create resumed>) = 5 [pid 5707] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5706] <... prctl resumed>) = 0 [pid 5704] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5703] <... futex resumed>) = 0 [pid 5702] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5702] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5700] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5704] <... openat resumed>) = 4 [pid 5703] memfd_create("syzkaller", 0 [pid 5706] setpgid(0, 0 [pid 5700] <... futex resumed>) = 0 [pid 5706] <... setpgid resumed>) = 0 [pid 5706] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5700] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5704] chdir("." [pid 5703] <... memfd_create resumed>) = 5 [pid 5706] <... openat resumed>) = 3 [pid 5704] <... chdir resumed>) = 0 [pid 5703] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fcb8fe90000 [pid 5704] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5706] write(3, "1000", 4 [pid 5701] <... futex resumed>) = 0 [pid 5706] <... write resumed>) = 4 [pid 5706] close(3) = 0 [pid 5701] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5706] read(200, 0x7ffd53cefa10, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5701] <... futex resumed>) = 0 [pid 5706] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5704] openat(AT_FDCWD, NULL, O_RDONLY|O_CLOEXEC [pid 5701] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5704] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5704] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5701] <... futex resumed>) = 0 [pid 5704] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5701] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5704] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5701] <... futex resumed>) = 0 [pid 5704] memfd_create("syzkaller", 0 [pid 5701] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5706] write(1, "executing program\n", 18 [pid 5704] <... memfd_create resumed>) = 5 [pid 5706] <... write resumed>) = 18 [pid 5704] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 executing program [pid 5706] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5704] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5702] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 [pid 5706] <... futex resumed>) = 0 [pid 5706] rt_sigaction(SIGRT_1, {sa_handler=0x7fcb98317070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcb982c8dc0}, NULL, 8) = 0 [pid 5706] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5706] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5703] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 [pid 5706] <... mmap resumed>) = 0x7fcb98290000 [pid 5706] mprotect(0x7fcb98291000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5707] 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 [pid 5706] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5706] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb982b0990, parent_tid=0x7fcb982b0990, exit_signal=0, stack=0x7fcb98290000, stack_size=0x20200, tls=0x7fcb982b06c0}ci2-upstream-fs/strace-static-x86_64: Process 5708 attached [pid 5704] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 [pid 5708] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5706] <... clone3 resumed> => {parent_tid=[15]}, 88) = 15 [pid 5708] <... rseq resumed>) = 0 [pid 5706] rt_sigprocmask(SIG_SETMASK, [] [pid 5708] set_robust_list(0x7fcb982b09a0, 24 [pid 5706] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5708] <... set_robust_list resumed>) = 0 [pid 5706] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5708] rt_sigprocmask(SIG_SETMASK, [] [pid 5706] <... futex resumed>) = 0 [pid 5708] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5706] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5708] memfd_create("syzkaller", 0) = 3 [pid 5708] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fcb8fe90000 [pid 5702] <... write resumed>) = 1048576 [pid 5702] munmap(0x7fcb8fe90000, 138412032 [pid 5703] <... write resumed>) = 1048576 [pid 5703] munmap(0x7fcb8fe90000, 138412032 [pid 5702] <... munmap resumed>) = 0 [pid 5708] 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 [pid 5707] <... write resumed>) = 1048576 [pid 5703] <... munmap resumed>) = 0 [pid 5702] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5707] munmap(0x7fcb8fe90000, 138412032 [pid 5702] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5707] <... munmap resumed>) = 0 [pid 5704] <... write resumed>) = 1048576 [pid 5703] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5702] close(5 [pid 5707] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5704] munmap(0x7fcb8fe90000, 138412032 [pid 5703] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5707] <... openat resumed>) = 4 [pid 5704] <... munmap resumed>) = 0 [pid 5703] close(5 [pid 5707] ioctl(4, LOOP_SET_FD, 3 [pid 5704] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5704] close(5) = 0 [pid 5704] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5708] <... write resumed>) = 1048576 [pid 5702] <... close resumed>) = 0 [pid 5707] <... ioctl resumed>) = 0 [pid 5708] munmap(0x7fcb8fe90000, 138412032 [pid 5707] close(3 [pid 5704] <... futex resumed>) = 1 [pid 5702] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] <... futex resumed>) = 0 [pid 5708] <... munmap resumed>) = 0 [pid 5707] <... close resumed>) = 0 [pid 5704] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5702] <... futex resumed>) = 1 [pid 5701] close(3 [pid 5699] <... futex resumed>) = 0 [pid 5707] close(4 [pid 5702] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5699] close(3 [pid 5708] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5707] <... close resumed>) = 0 [pid 5701] <... close resumed>) = 0 [pid 5707] mkdir("./file1", 0777 [pid 5701] close(4 [pid 5699] <... close resumed>) = 0 [pid 5708] <... openat resumed>) = 4 [pid 5708] ioctl(4, LOOP_SET_FD, 3 [pid 5707] <... mkdir resumed>) = 0 [pid 5703] <... close resumed>) = 0 [pid 5701] <... close resumed>) = 0 [pid 5699] close(4 [pid 5708] <... ioctl resumed>) = 0 [pid 5707] mount("/dev/loop0", "./file1", "udf", 0, "noadinicb,nostrict,mode=00000000000000000000004,uid=forget,noadinicb,umask=00000000000000040002000,l"... [pid 5703] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] close(5 [pid 5699] <... close resumed>) = 0 [pid 5708] close(3 [pid 5703] <... futex resumed>) = 1 [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5700] <... futex resumed>) = 0 [pid 5699] close(5 [pid 5708] <... close resumed>) = 0 [pid 5703] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5700] close(3 [pid 5701] close(6 [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5708] close(4 [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5700] <... close resumed>) = 0 [pid 5699] close(6 [pid 5701] close(7 [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5708] <... close resumed>) = 0 [pid 5700] close(4 [pid 5699] close(7 [pid 5701] close(8 [pid 5708] mkdir("./file1", 0777 [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5700] <... close resumed>) = 0 [pid 5708] <... mkdir resumed>) = 0 [pid 5707] <... mount resumed>) = 0 [pid 5701] close(9 [pid 5700] close(5 [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] close(8 [pid 5708] mount("/dev/loop4", "./file1", "udf", 0, "noadinicb,nostrict,mode=00000000000000000000004,uid=forget,noadinicb,umask=00000000000000040002000,l"... [pid 5707] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5701] close(10 [pid 5700] close(6 [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5707] <... openat resumed>) = 3 [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] close(9 [pid 5701] close(11 [pid 5700] close(7 [pid 5707] chdir("./file1" [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5700] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 140.989945][ T5707] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5707] <... chdir resumed>) = 0 [pid 5701] close(12) = -1 EBADF (Bad file descriptor) [pid 5701] close(13) = -1 EBADF (Bad file descriptor) [pid 5701] close(14) = -1 EBADF (Bad file descriptor) [pid 5707] openat(AT_FDCWD, "/dev/loop0", O_RDONLY [pid 5701] close(15 [pid 5700] close(8 [pid 5699] close(10 [pid 5700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5700] close(9 [pid 5708] <... mount resumed>) = 0 [pid 5707] <... openat resumed>) = 4 [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] close(11 [pid 5700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5708] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5707] ioctl(4, LOOP_CLR_FD [pid 5701] close(16 [pid 5700] close(10 [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 141.070619][ T5708] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5708] <... openat resumed>) = 3 [pid 5707] <... ioctl resumed>) = 0 [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] close(12 [pid 5708] chdir("./file1" [pid 5707] close(4 [pid 5701] close(17 [pid 5700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5708] <... chdir resumed>) = 0 [pid 5707] <... close resumed>) = 0 [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5700] close(11 [pid 5699] close(13 [pid 5708] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5707] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] close(18 [pid 5700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5708] <... openat resumed>) = 4 [pid 5707] <... futex resumed>) = 1 [pid 5705] <... futex resumed>) = 0 [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5700] close(12 [pid 5699] close(14 [pid 5707] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5701] close(19 [pid 5700] close(13 [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5708] ioctl(4, LOOP_CLR_FD [pid 5705] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5708] <... ioctl resumed>) = 0 [pid 5707] <... futex resumed>) = 0 [pid 5705] <... futex resumed>) = 1 [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] close(15 [pid 5708] close(4 [pid 5707] link("./file1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5705] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5701] close(20 [pid 5700] close(14 [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5708] <... close resumed>) = 0 [pid 5707] <... link resumed>) = 0 [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] close(16 [pid 5708] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] close(21 [pid 5700] close(15 [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5708] <... futex resumed>) = 1 [pid 5707] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5706] <... futex resumed>) = 0 [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5708] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5707] <... futex resumed>) = 1 [pid 5706] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] <... futex resumed>) = 0 [pid 5701] close(22 [pid 5700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] close(17 [pid 5708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5707] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5706] <... futex resumed>) = 0 [pid 5705] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5700] close(16 [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5708] link("./file1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5707] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5706] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5705] <... futex resumed>) = 0 [pid 5701] close(23 [pid 5700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5707] mkdir(".", 0777 [pid 5705] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5700] close(17 [pid 5699] close(18 [pid 5708] <... link resumed>) = 0 [pid 5707] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5701] close(24 [pid 5700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5708] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5707] mount(NULL, ".", 0x200000000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_POSIXACL|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5700] close(18 [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5708] <... futex resumed>) = 1 [pid 5706] <... futex resumed>) = 0 [pid 5701] close(25 [pid 5700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] close(19 [pid 5708] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5706] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5700] close(19 [pid 5708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5706] <... futex resumed>) = 0 [pid 5701] close(26 [pid 5700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] close(20 [pid 5708] mkdir(".", 0777 [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5707] <... mount resumed>) = 0 [pid 5706] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5701] close(27 [pid 5700] close(20 [pid 5708] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5708] mount(NULL, ".", 0x200000000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_POSIXACL|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5707] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] close(21 [pid 5707] <... openat resumed>) = 4 [pid 5701] close(28 [pid 5700] close(21 [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5707] chdir("." [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] close(22 [pid 5707] <... chdir resumed>) = 0 [pid 5708] <... mount resumed>) = 0 [pid 5701] close(29 [pid 5700] close(22 [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5708] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY [pid 5707] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] close(23 [pid 5708] <... openat resumed>) = 4 [pid 5707] <... futex resumed>) = 1 [pid 5705] <... futex resumed>) = 0 [pid 5701] exit_group(0 [pid 5700] close(23 [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5707] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5705] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] close(24 [pid 5708] chdir("." [pid 5707] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5705] <... futex resumed>) = 0 [pid 5704] <... futex resumed>) = ? [pid 5701] <... exit_group resumed>) = ? [pid 5700] close(24 [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5708] <... chdir resumed>) = 0 [pid 5707] openat(AT_FDCWD, NULL, O_RDONLY|O_CLOEXEC [pid 5705] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5704] +++ exited with 0 +++ [pid 5700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] close(25 [pid 5707] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5700] close(25 [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5707] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] close(26 [pid 5708] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5707] <... futex resumed>) = 1 [pid 5705] <... futex resumed>) = 0 [pid 5700] close(26 [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5708] <... futex resumed>) = 1 [pid 5707] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5706] <... futex resumed>) = 0 [pid 5705] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] close(27 [pid 5708] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5707] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5706] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] <... futex resumed>) = 0 [pid 5700] close(27 [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5707] memfd_create("syzkaller", 0 [pid 5706] <... futex resumed>) = 0 [pid 5705] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] close(28 [pid 5708] openat(AT_FDCWD, NULL, O_RDONLY|O_CLOEXEC [pid 5707] <... memfd_create resumed>) = 5 [pid 5706] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5701] +++ exited with 0 +++ [pid 5700] close(28 [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5708] <... openat resumed>) = -1 EFAULT (Bad address) [pid 5707] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] close(29 [pid 5708] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5707] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5700] close(29 [pid 5699] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5708] <... futex resumed>) = 1 [pid 5706] <... futex resumed>) = 0 [pid 5699] exit_group(0 [pid 5708] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5706] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5706] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5702] <... futex resumed>) = ? [pid 5700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5699] <... exit_group resumed>) = ? [pid 5708] memfd_create("syzkaller", 0 [pid 5702] +++ exited with 0 +++ [pid 5708] <... memfd_create resumed>) = 5 [pid 5700] exit_group(0 [pid 5708] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fcb8fe90000 [pid 5703] <... futex resumed>) = ? [pid 5700] <... exit_group resumed>) = ? [pid 5707] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 [pid 5703] +++ exited with 0 +++ [pid 5699] +++ exited with 0 +++ [pid 5700] +++ exited with 0 +++ [pid 5622] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=8 /* 0.08 s */} --- [pid 5624] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5623] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5622] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5623] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5624] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5623] <... restart_syscall resumed>) = 0 [pid 5624] <... openat resumed>) = 3 [pid 5624] fstat(3 [pid 5622] <... restart_syscall resumed>) = 0 [pid 5623] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5624] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=80, ...}) = 0 [pid 5623] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5624] getdents64(3 [pid 5622] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5623] <... openat resumed>) = 3 [pid 5622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5622] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5623] fstat(3 [pid 5622] <... openat resumed>) = 3 [pid 5623] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=80, ...}) = 0 [pid 5623] getdents64(3 [pid 5622] fstat(3 [pid 5623] <... getdents64 resumed>, 0x5555649df850 /* 4 entries */, 32768) = 112 [pid 5622] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=80, ...}) = 0 [pid 5623] umount2("./5/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5622] getdents64(3 [pid 5708] write(5, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\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 [pid 5622] <... getdents64 resumed>, 0x5555649df850 /* 4 entries */, 32768) = 112 [pid 5624] <... getdents64 resumed>, 0x5555649df850 /* 4 entries */, 32768) = 112 [pid 5622] umount2("./5/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5624] umount2("./5/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5707] <... write resumed>) = 1048576 [pid 5707] munmap(0x7fcb8fe90000, 138412032) = 0 [pid 5707] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5708] <... write resumed>) = 1048576 [pid 5708] munmap(0x7fcb8fe90000, 138412032 [pid 5707] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5708] <... munmap resumed>) = 0 [pid 5708] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5707] close(5 [pid 5708] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5708] close(5 [pid 5707] <... close resumed>) = 0 [pid 5708] <... close resumed>) = 0 [pid 5707] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5705] <... futex resumed>) = 0 [pid 5707] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5705] close(3 [pid 5708] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] <... close resumed>) = 0 [pid 5708] <... futex resumed>) = 1 [pid 5706] <... futex resumed>) = 0 [pid 5706] close(3 [pid 5708] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5706] <... close resumed>) = 0 [pid 5705] close(4) = 0 [pid 5706] close(4 [pid 5705] close(5 [pid 5706] <... close resumed>) = 0 [pid 5705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5706] close(5 [pid 5705] close(6 [pid 5706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5706] close(6) = -1 EBADF (Bad file descriptor) [pid 5705] close(7 [pid 5706] close(7) = -1 EBADF (Bad file descriptor) [pid 5705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5706] close(8 [pid 5705] close(8 [pid 5624] <... umount2 resumed>) = 0 [pid 5706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] <... umount2 resumed>) = 0 [pid 5706] close(9 [pid 5705] close(9 [pid 5624] umount2("./5/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] umount2("./5/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5705] close(10 [pid 5706] close(10 [pid 5705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5705] close(11 [pid 5623] newfstatat(AT_FDCWD, "./5/file1" [pid 5705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5705] close(12 [pid 5624] newfstatat(AT_FDCWD, "./5/file1" [pid 5623] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5705] close(13 [pid 5706] close(11 [pid 5705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] umount2("./5/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5623] umount2("./5/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5705] close(14 [pid 5624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] openat(AT_FDCWD, "./5/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5623] openat(AT_FDCWD, "./5/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5622] <... umount2 resumed>) = 0 [pid 5706] close(12) = -1 EBADF (Bad file descriptor) [pid 5706] close(13) = -1 EBADF (Bad file descriptor) [pid 5706] close(14 [pid 5624] <... openat resumed>) = 4 [pid 5705] close(15) = -1 EBADF (Bad file descriptor) [pid 5624] fstat(4 [pid 5706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5705] close(16 [pid 5624] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 5623] <... openat resumed>) = 4 [pid 5622] umount2("./5/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5706] close(15 [pid 5705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] getdents64(4 [pid 5622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5705] close(17 [pid 5706] close(16 [pid 5705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] <... getdents64 resumed>, 0x5555649e7890 /* 2 entries */, 32768) = 48 [pid 5623] fstat(4 [pid 5622] newfstatat(AT_FDCWD, "./5/file1" [pid 5706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5705] close(18 [pid 5623] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 5706] close(17 [pid 5705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5622] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5705] close(19 [pid 5624] getdents64(4 [pid 5623] getdents64(4 [pid 5622] umount2("./5/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5706] close(18 [pid 5705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] <... getdents64 resumed>, 0x5555649e7890 /* 2 entries */, 32768) = 48 [pid 5622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5624] <... getdents64 resumed>, 0x5555649e7890 /* 0 entries */, 32768) = 0 [pid 5706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5705] close(20 [pid 5624] close(4 [pid 5623] getdents64(4 [pid 5622] openat(AT_FDCWD, "./5/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5706] close(19) = -1 EBADF (Bad file descriptor) [pid 5624] <... close resumed>) = 0 [pid 5705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5706] close(20 [pid 5705] close(21 [pid 5624] rmdir("./5/file1" [pid 5623] <... getdents64 resumed>, 0x5555649e7890 /* 0 entries */, 32768) = 0 [pid 5622] <... openat resumed>) = 4 [pid 5706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] <... rmdir resumed>) = 0 [pid 5623] close(4 [pid 5622] fstat(4 [pid 5706] close(21 [pid 5623] <... close resumed>) = 0 [pid 5622] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 5706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5705] close(22 [pid 5624] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5623] rmdir("./5/file1" [pid 5622] getdents64(4 [pid 5706] close(22 [pid 5705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5622] <... getdents64 resumed>, 0x5555649e7890 /* 2 entries */, 32768) = 48 [pid 5706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5705] close(23 [pid 5623] <... rmdir resumed>) = 0 [pid 5706] close(23 [pid 5624] newfstatat(AT_FDCWD, "./5/binderfs" [pid 5706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5623] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5622] getdents64(4 [pid 5705] close(24 [pid 5623] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5622] <... getdents64 resumed>, 0x5555649e7890 /* 0 entries */, 32768) = 0 [pid 5623] newfstatat(AT_FDCWD, "./5/binderfs" [pid 5705] close(25 [pid 5622] close(4 [pid 5706] close(24 [pid 5705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] unlink("./5/binderfs" [pid 5623] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5622] <... close resumed>) = 0 [pid 5706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5705] close(26 [pid 5706] close(25 [pid 5705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] <... unlink resumed>) = 0 [pid 5623] unlink("./5/binderfs" [pid 5622] rmdir("./5/file1" [pid 5706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5705] close(27 [pid 5624] getdents64(3 [pid 5623] <... unlink resumed>) = 0 [pid 5622] <... rmdir resumed>) = 0 [pid 5706] close(26 [pid 5705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] <... getdents64 resumed>, 0x5555649df850 /* 0 entries */, 32768) = 0 [pid 5706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5705] close(28 [pid 5624] close(3 [pid 5623] getdents64(3 [pid 5622] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5623] <... getdents64 resumed>, 0x5555649df850 /* 0 entries */, 32768) = 0 [pid 5705] close(29 [pid 5624] <... close resumed>) = 0 [pid 5623] close(3 [pid 5705] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] rmdir("./5" [pid 5706] close(27 [pid 5623] <... close resumed>) = 0 [pid 5622] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5624] <... rmdir resumed>) = 0 [pid 5706] close(28 [pid 5705] exit_group(0 [pid 5623] rmdir("./5" [pid 5622] newfstatat(AT_FDCWD, "./5/binderfs" [pid 5706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5707] <... futex resumed>) = ? [pid 5705] <... exit_group resumed>) = ? [pid 5624] mkdir("./6", 0777 [pid 5623] <... rmdir resumed>) = 0 [pid 5622] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5707] +++ exited with 0 +++ [pid 5706] close(29 [pid 5624] <... mkdir resumed>) = 0 [pid 5622] unlink("./5/binderfs" [pid 5706] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5706] exit_group(0 [pid 5708] <... futex resumed>) = ? [pid 5706] <... exit_group resumed>) = ? [pid 5622] <... unlink resumed>) = 0 [pid 5623] mkdir("./6", 0777 [pid 5624] openat(AT_FDCWD, "/dev/loop3", O_RDONLY [pid 5622] getdents64(3 [pid 5623] <... mkdir resumed>) = 0 [pid 5622] <... getdents64 resumed>, 0x5555649df850 /* 0 entries */, 32768) = 0 [pid 5624] <... openat resumed>) = 3 [pid 5622] close(3) = 0 [pid 5622] rmdir("./5" [pid 5624] ioctl(3, LOOP_CLR_FD [pid 5623] openat(AT_FDCWD, "/dev/loop1", O_RDONLY [pid 5624] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5623] <... openat resumed>) = 3 [pid 5708] +++ exited with 0 +++ [pid 5706] +++ exited with 0 +++ [pid 5705] +++ exited with 0 +++ [pid 5624] close(3 [pid 5623] ioctl(3, LOOP_CLR_FD [pid 5622] <... rmdir resumed>) = 0 [pid 5625] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=12 /* 0.12 s */} --- [pid 5623] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5625] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5624] <... close resumed>) = 0 [pid 5622] mkdir("./6", 0777 [pid 5623] close(3 [pid 5621] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} --- [pid 5625] <... restart_syscall resumed>) = 0 [pid 5624] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5623] <... close resumed>) = 0 [pid 5622] <... mkdir resumed>) = 0 [pid 5625] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5625] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5625] fstat(3, {st_mode=S_IFDIR|0700, st_size=80, ...}) = 0 [pid 5625] getdents64(3, 0x5555649df850 /* 4 entries */, 32768) = 112 [pid 5625] umount2("./5/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5624] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5623] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5622] openat(AT_FDCWD, "/dev/loop2", O_RDONLY [pid 5623] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5622] <... openat resumed>) = 3 [pid 5623] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5622] ioctl(3, LOOP_CLR_FD [pid 5621] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5621] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5621] fstat(3 [pid 5622] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5621] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=80, ...}) = 0 [pid 5622] close(3 [pid 5621] getdents64(3ci2-upstream-fs/strace-static-x86_64: Process 5710 attached ci2-upstream-fs/strace-static-x86_64: Process 5709 attached [pid 5622] <... close resumed>) = 0 [pid 5621] <... getdents64 resumed>, 0x5555649df850 /* 4 entries */, 32768) = 112 [pid 5710] set_robust_list(0x5555649de7a0, 24 [pid 5709] set_robust_list(0x5555649de7a0, 24 [pid 5624] <... clone resumed>, child_tidptr=0x5555649de790) = 16 [pid 5710] <... set_robust_list resumed>) = 0 [pid 5709] <... set_robust_list resumed>) = 0 [pid 5623] <... clone resumed>, child_tidptr=0x5555649de790) = 15 [pid 5622] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5621] umount2("./5/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5624] rt_sigprocmask(SIG_SETMASK, [] [pid 5623] rt_sigprocmask(SIG_SETMASK, [] [pid 5622] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5709] rt_sigprocmask(SIG_SETMASK, [] [pid 5623] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5622] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5710] rt_sigprocmask(SIG_SETMASK, [] [pid 5709] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5624] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5710] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5709] chdir("./6"ci2-upstream-fs/strace-static-x86_64: Process 5711 attached ) = 0 [pid 5711] set_robust_list(0x5555649de7a0, 24 [pid 5710] chdir("./6" [pid 5709] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5622] <... clone resumed>, child_tidptr=0x5555649de790) = 17 [pid 5710] <... chdir resumed>) = 0 [pid 5709] <... prctl resumed>) = 0 [pid 5711] <... set_robust_list resumed>) = 0 [pid 5622] rt_sigprocmask(SIG_SETMASK, [] [pid 5711] rt_sigprocmask(SIG_SETMASK, [] [pid 5710] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5709] setpgid(0, 0 [pid 5622] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5711] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5710] <... prctl resumed>) = 0 [pid 5709] <... setpgid resumed>) = 0 [pid 5710] setpgid(0, 0 [pid 5625] <... umount2 resumed>) = 0 [pid 5709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5710] <... setpgid resumed>) = 0 [pid 5625] umount2("./5/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5711] chdir("./6" [pid 5710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5711] <... chdir resumed>) = 0 [pid 5710] <... openat resumed>) = 3 [pid 5709] <... openat resumed>) = 3 [pid 5625] newfstatat(AT_FDCWD, "./5/file1" [pid 5711] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5625] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5711] <... prctl resumed>) = 0 [pid 5710] write(3, "1000", 4 [pid 5709] write(3, "1000", 4 [pid 5625] umount2("./5/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5711] setpgid(0, 0 [pid 5710] <... write resumed>) = 4 [pid 5709] <... write resumed>) = 4 [pid 5625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5711] <... setpgid resumed>) = 0 [pid 5710] close(3 [pid 5709] close(3 [pid 5625] openat(AT_FDCWD, "./5/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5709] <... close resumed>) = 0 [pid 5710] <... close resumed>) = 0 [pid 5709] read(200 [pid 5710] read(200 [pid 5625] fstat(4 [pid 5709] <... read resumed>, 0x7ffd53cefa10, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5710] <... read resumed>, 0x7ffd53cefa10, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5709] symlink("/dev/binderfs", "./binderfs" [pid 5625] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 5711] <... openat resumed>) = 3 [pid 5710] symlink("/dev/binderfs", "./binderfs" [pid 5709] <... symlink resumed>) = 0 [pid 5625] getdents64(4 [pid 5710] <... symlink resumed>) = 0 [pid 5711] write(3, "1000", 4 [pid 5710] write(1, "executing program\n", 18 [pid 5709] write(1, "executing program\n", 18 executing program executing program [pid 5625] <... getdents64 resumed>, 0x5555649e7890 /* 2 entries */, 32768) = 48 [pid 5711] <... write resumed>) = 4 [pid 5710] <... write resumed>) = 18 [pid 5709] <... write resumed>) = 18 [pid 5625] getdents64(4 [pid 5710] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] <... getdents64 resumed>, 0x5555649e7890 /* 0 entries */, 32768) = 0 [pid 5710] <... futex resumed>) = 0 [pid 5709] <... futex resumed>) = 0 [pid 5625] close(4 [pid 5710] rt_sigaction(SIGRT_1, {sa_handler=0x7fcb98317070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcb982c8dc0} [pid 5709] rt_sigaction(SIGRT_1, {sa_handler=0x7fcb98317070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcb982c8dc0} [pid 5711] close(3 [pid 5710] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5625] <... close resumed>) = 0 [pid 5711] <... close resumed>) = 0 [pid 5709] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5709] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5711] read(200, 0x7ffd53cefa10, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5710] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5709] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5625] rmdir("./5/file1" [pid 5711] symlink("/dev/binderfs", "./binderfs" [pid 5710] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5709] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5625] <... rmdir resumed>) = 0 [pid 5711] <... symlink resumed>) = 0 [pid 5710] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5709] <... mmap resumed>) = 0x7fcb98290000 [pid 5625] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5711] write(1, "executing program\n", 18 [pid 5709] mprotect(0x7fcb98291000, 131072, PROT_READ|PROT_WRITE [pid 5625] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 5711] <... write resumed>) = 18 [pid 5710] <... mmap resumed>) = 0x7fcb98290000 [pid 5709] <... mprotect resumed>) = 0 [pid 5625] newfstatat(AT_FDCWD, "./5/binderfs" [pid 5710] mprotect(0x7fcb98291000, 131072, PROT_READ|PROT_WRITE [pid 5625] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5711] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5711] rt_sigaction(SIGRT_1, {sa_handler=0x7fcb98317070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcb982c8dc0}, NULL, 8) = 0 [pid 5710] <... mprotect resumed>) = 0 [pid 5709] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5625] unlink("./5/binderfs" [pid 5710] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5711] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5625] <... unlink resumed>) = 0 [pid 5711] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5711] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5710] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5711] <... mmap resumed>) = 0x7fcb98290000 [pid 5710] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb982b0990, parent_tid=0x7fcb982b0990, exit_signal=0, stack=0x7fcb98290000, stack_size=0x20200, tls=0x7fcb982b06c0} [pid 5709] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5625] getdents64(3 [pid 5709] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb982b0990, parent_tid=0x7fcb982b0990, exit_signal=0, stack=0x7fcb98290000, stack_size=0x20200, tls=0x7fcb982b06c0}ci2-upstream-fs/strace-static-x86_64: Process 5712 attached [pid 5711] mprotect(0x7fcb98291000, 131072, PROT_READ|PROT_WRITE [pid 5625] <... getdents64 resumed>, 0x5555649df850 /* 0 entries */, 32768) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5713 attached [pid 5712] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5711] <... mprotect resumed>) = 0 [pid 5710] <... clone3 resumed> => {parent_tid=[16]}, 88) = 16 [pid 5625] close(3 [pid 5621] <... umount2 resumed>) = 0 [pid 5713] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5712] <... rseq resumed>) = 0 [pid 5711] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5710] rt_sigprocmask(SIG_SETMASK, [] [pid 5709] <... clone3 resumed> => {parent_tid=[17]}, 88) = 17 [pid 5625] <... close resumed>) = 0 [pid 5712] set_robust_list(0x7fcb982b09a0, 24 [pid 5711] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5712] <... set_robust_list resumed>) = 0 [pid 5711] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb982b0990, parent_tid=0x7fcb982b0990, exit_signal=0, stack=0x7fcb98290000, stack_size=0x20200, tls=0x7fcb982b06c0} [pid 5621] umount2("./5/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5713] <... rseq resumed>) = 0 [pid 5712] rt_sigprocmask(SIG_SETMASK, [] [pid 5710] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5709] rt_sigprocmask(SIG_SETMASK, [] [pid 5625] rmdir("./5" [pid 5713] set_robust_list(0x7fcb982b09a0, 24 [pid 5710] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5713] <... set_robust_list resumed>) = 0 [pid 5709] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5713] rt_sigprocmask(SIG_SETMASK, [] [pid 5710] <... futex resumed>) = 0 [pid 5709] <... futex resumed>) = 0 [pid 5625] <... rmdir resumed>) = 0 [pid 5713] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5710] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5709] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5625] mkdir("./6", 0777 [pid 5713] memfd_create("syzkaller", 0 [pid 5712] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5621] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5713] <... memfd_create resumed>) = 3 [pid 5712] memfd_create("syzkaller", 0 [pid 5625] <... mkdir resumed>) = 0 [pid 5621] newfstatat(AT_FDCWD, "./5/file1"ci2-upstream-fs/strace-static-x86_64: Process 5714 attached [pid 5713] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5712] <... memfd_create resumed>) = 3 [pid 5625] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5621] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5714] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5713] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5712] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5711] <... clone3 resumed> => {parent_tid=[18]}, 88) = 18 [pid 5625] <... openat resumed>) = 3 [pid 5621] umount2("./5/file1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5714] <... rseq resumed>) = 0 [pid 5712] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5711] rt_sigprocmask(SIG_SETMASK, [] [pid 5621] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5714] set_robust_list(0x7fcb982b09a0, 24 [pid 5625] ioctl(3, LOOP_CLR_FD [pid 5714] <... set_robust_list resumed>) = 0 [pid 5625] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5621] openat(AT_FDCWD, "./5/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5714] rt_sigprocmask(SIG_SETMASK, [] [pid 5711] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5625] close(3 [pid 5621] <... openat resumed>) = 4 [pid 5714] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5711] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] <... close resumed>) = 0 [pid 5621] fstat(4 [pid 5714] memfd_create("syzkaller", 0 [pid 5711] <... futex resumed>) = 0 [pid 5621] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0 [pid 5711] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5621] getdents64(4 [pid 5714] <... memfd_create resumed>) = 3 [pid 5625] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5621] <... getdents64 resumed>, 0x5555649e7890 /* 2 entries */, 32768) = 48 [pid 5714] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5621] getdents64(4, 0x5555649e7890 /* 0 entries */, 32768) = 0 [pid 5714] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5621] close(4) = 0 [pid 5621] rmdir("./5/file1") = 0 [pid 5621] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5621] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-upstream-fs/strace-static-x86_64: Process 5715 attached [pid 5713] 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 [pid 5712] 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 [pid 5621] unlink("./5/binderfs") = 0 [pid 5621] getdents64(3 [pid 5715] set_robust_list(0x5555649de7a0, 24 [pid 5625] <... clone resumed>, child_tidptr=0x5555649de790) = 16 [pid 5715] <... set_robust_list resumed>) = 0 [pid 5625] rt_sigprocmask(SIG_SETMASK, [] [pid 5621] <... getdents64 resumed>, 0x5555649df850 /* 0 entries */, 32768) = 0 [pid 5715] rt_sigprocmask(SIG_SETMASK, [] [pid 5625] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5715] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5621] close(3 [pid 5715] chdir("./6" [pid 5714] 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 [pid 5715] <... chdir resumed>) = 0 [pid 5621] <... close resumed>) = 0 [pid 5715] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5621] rmdir("./5" [pid 5715] <... prctl resumed>) = 0 [pid 5715] setpgid(0, 0 [pid 5621] <... rmdir resumed>) = 0 [pid 5715] <... setpgid resumed>) = 0 [pid 5715] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5621] mkdir("./6", 0777 [pid 5715] <... openat resumed>) = 3 [pid 5715] write(3, "1000", 4) = 4 [pid 5715] close(3 [pid 5621] <... mkdir resumed>) = 0 [pid 5715] <... close resumed>) = 0 [pid 5715] read(200, 0x7ffd53cefa10, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5621] openat(AT_FDCWD, "/dev/loop0", O_RDONLY [pid 5715] symlink("/dev/binderfs", "./binderfs" [pid 5621] <... openat resumed>) = 3 [pid 5715] <... symlink resumed>) = 0 [pid 5713] <... write resumed>) = 1048576 [pid 5715] write(1, "executing program\n", 18 [pid 5621] ioctl(3, LOOP_CLR_FD [pid 5715] <... write resumed>) = 18 executing program [pid 5713] munmap(0x7fcb8fe90000, 138412032 [pid 5621] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5715] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5621] close(3 [pid 5715] <... futex resumed>) = 0 [pid 5621] <... close resumed>) = 0 [pid 5715] rt_sigaction(SIGRT_1, {sa_handler=0x7fcb98317070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcb982c8dc0} [pid 5621] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5715] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5715] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5713] <... munmap resumed>) = 0 [pid 5621] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5715] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5713] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5712] <... write resumed>) = 1048576 [pid 5621] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5715] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5713] <... openat resumed>) = 4 [pid 5715] <... mmap resumed>) = 0x7fcb98290000 [pid 5715] mprotect(0x7fcb98291000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5712] munmap(0x7fcb8fe90000, 138412032 [pid 5715] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5713] ioctl(4, LOOP_SET_FD, 3 [pid 5715] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5715] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb982b0990, parent_tid=0x7fcb982b0990, exit_signal=0, stack=0x7fcb98290000, stack_size=0x20200, tls=0x7fcb982b06c0} [pid 5712] <... munmap resumed>) = 0 [pid 5713] <... ioctl resumed>) = 0 [pid 5713] close(3 [pid 5712] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5713] <... close resumed>) = 0 [pid 5621] <... clone resumed>, child_tidptr=0x5555649de790) = 16 ci2-upstream-fs/strace-static-x86_64: Process 5717 attached ci2-upstream-fs/strace-static-x86_64: Process 5716 attached [pid 5714] <... write resumed>) = 1048576 [pid 5713] close(4 [pid 5712] <... openat resumed>) = 4 [pid 5621] rt_sigprocmask(SIG_SETMASK, [] [pid 5717] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5715] <... clone3 resumed> => {parent_tid=[17]}, 88) = 17 [pid 5713] <... close resumed>) = 0 [pid 5717] <... rseq resumed>) = 0 [pid 5716] set_robust_list(0x5555649de7a0, 24 [pid 5715] rt_sigprocmask(SIG_SETMASK, [] [pid 5714] munmap(0x7fcb8fe90000, 138412032 [pid 5713] mkdir("./file1", 0777 [pid 5712] ioctl(4, LOOP_SET_FD, 3 [pid 5621] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5717] set_robust_list(0x7fcb982b09a0, 24 [pid 5715] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5717] <... set_robust_list resumed>) = 0 [pid 5716] <... set_robust_list resumed>) = 0 [pid 5715] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5717] rt_sigprocmask(SIG_SETMASK, [] [pid 5715] <... futex resumed>) = 0 [pid 5717] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5715] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5717] memfd_create("syzkaller", 0) = 3 [pid 5717] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5716] rt_sigprocmask(SIG_SETMASK, [] [pid 5714] <... munmap resumed>) = 0 [pid 5713] <... mkdir resumed>) = 0 [pid 5712] <... ioctl resumed>) = 0 [pid 5717] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5716] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5714] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5713] mount("/dev/loop3", "./file1", "udf", 0, "noadinicb,nostrict,mode=00000000000000000000004,uid=forget,noadinicb,umask=00000000000000040002000,l"... [pid 5712] close(3 [pid 5714] <... openat resumed>) = 4 [pid 5712] <... close resumed>) = 0 [pid 5714] ioctl(4, LOOP_SET_FD, 3 [pid 5712] close(4 [pid 5716] chdir("./6" [pid 5714] <... ioctl resumed>) = 0 [pid 5712] <... close resumed>) = 0 [pid 5716] <... chdir resumed>) = 0 [pid 5712] mkdir("./file1", 0777 [pid 5716] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5714] close(3 [pid 5716] <... prctl resumed>) = 0 [pid 5712] <... mkdir resumed>) = 0 [pid 5716] setpgid(0, 0 [pid 5714] <... close resumed>) = 0 [pid 5716] <... setpgid resumed>) = 0 [pid 5714] close(4 [pid 5712] mount("/dev/loop1", "./file1", "udf", 0, "noadinicb,nostrict,mode=00000000000000000000004,uid=forget,noadinicb,umask=00000000000000040002000,l"... [pid 5714] <... close resumed>) = 0 [pid 5716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5714] mkdir("./file1", 0777 [pid 5716] <... openat resumed>) = 3 [pid 5714] <... mkdir resumed>) = 0 [pid 5716] write(3, "1000", 4) = 4 [pid 5716] close(3) = 0 [pid 5716] read(200 [pid 5714] mount("/dev/loop2", "./file1", "udf", 0, "noadinicb,nostrict,mode=00000000000000000000004,uid=forget,noadinicb,umask=00000000000000040002000,l"... [pid 5716] <... read resumed>, 0x7ffd53cefa10, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 5716] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5716] write(1, "executing program\n", 18 executing program [pid 5717] 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 [pid 5716] <... write resumed>) = 18 [pid 5713] <... mount resumed>) = 0 [pid 5716] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5713] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5716] rt_sigaction(SIGRT_1, {sa_handler=0x7fcb98317070, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fcb982c8dc0} [pid 5713] <... openat resumed>) = 3 [pid 5716] <... rt_sigaction resumed>, NULL, 8) = 0 [pid 5713] chdir("./file1" [pid 5716] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1] [pid 5713] <... chdir resumed>) = 0 [pid 5716] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5713] openat(AT_FDCWD, "/dev/loop3", O_RDONLY [pid 5716] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5713] <... openat resumed>) = 4 [pid 5716] <... mmap resumed>) = 0x7fcb98290000 [pid 5716] mprotect(0x7fcb98291000, 131072, PROT_READ|PROT_WRITE [pid 5713] ioctl(4, LOOP_CLR_FD [pid 5716] <... mprotect resumed>) = 0 [pid 5713] <... ioctl resumed>) = 0 [pid 5716] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5713] close(4 [pid 5717] <... write resumed>) = 1048576 [pid 5716] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5713] <... close resumed>) = 0 [pid 5717] munmap(0x7fcb8fe90000, 138412032) = 0 [pid 5716] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb982b0990, parent_tid=0x7fcb982b0990, exit_signal=0, stack=0x7fcb98290000, stack_size=0x20200, tls=0x7fcb982b06c0} [pid 5713] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5717] openat(AT_FDCWD, "/dev/loop4", O_RDWRci2-upstream-fs/strace-static-x86_64: Process 5718 attached ) = 4 [pid 5713] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5709] <... futex resumed>) = 0 [pid 5718] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [ 141.955297][ T5713] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5717] ioctl(4, LOOP_SET_FD, 3 [pid 5716] <... clone3 resumed> => {parent_tid=[17]}, 88) = 17 [pid 5709] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5718] <... rseq resumed>) = 0 [pid 5709] <... futex resumed>) = 1 [pid 5713] <... futex resumed>) = 0 [pid 5716] rt_sigprocmask(SIG_SETMASK, [] [pid 5718] set_robust_list(0x7fcb982b09a0, 24 [pid 5716] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5713] link("./file1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5709] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5716] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5718] <... set_robust_list resumed>) = 0 [pid 5716] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5718] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5717] <... ioctl resumed>) = 0 [pid 5718] memfd_create("syzkaller", 0 [pid 5714] <... mount resumed>) = 0 [pid 5718] <... memfd_create resumed>) = 3 [pid 5714] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5712] <... mount resumed>) = 0 [pid 5717] close(3) = 0 [pid 5717] close(4) = 0 [pid 5717] mkdir("./file1", 0777 [pid 5714] <... openat resumed>) = 3 [pid 5717] <... mkdir resumed>) = 0 [pid 5718] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5717] mount("/dev/loop4", "./file1", "udf", 0, "noadinicb,nostrict,mode=00000000000000000000004,uid=forget,noadinicb,umask=00000000000000040002000,l"... [pid 5714] chdir("./file1" [pid 5718] <... mmap resumed>) = 0x7fcb8fe90000 [pid 5712] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5714] <... chdir resumed>) = 0 [pid 5712] chdir("./file1" [pid 5709] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5714] openat(AT_FDCWD, "/dev/loop2", O_RDONLY [pid 5712] <... chdir resumed>) = 0 [pid 5709] futex(0x7fcb9838fe3c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5709] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5714] <... openat resumed>) = 4 [pid 5712] openat(AT_FDCWD, "/dev/loop1", O_RDONLY [pid 5709] <... mmap resumed>) = 0x7fcb9826f000 [pid 5712] <... openat resumed>) = 4 [ 142.044264][ T5714] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 142.050147][ T5712] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [pid 5714] ioctl(4, LOOP_CLR_FD [pid 5712] ioctl(4, LOOP_CLR_FD [pid 5709] mprotect(0x7fcb98270000, 131072, PROT_READ|PROT_WRITE [pid 5712] <... ioctl resumed>) = 0 [pid 5712] close(4) = 0 [pid 5709] <... mprotect resumed>) = 0 [pid 5714] <... ioctl resumed>) = 0 [pid 5712] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5714] close(4 [pid 5712] <... futex resumed>) = 1 [pid 5709] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5712] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5714] <... close resumed>) = 0 [pid 5710] <... futex resumed>) = 0 [pid 5709] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5717] <... mount resumed>) = 0 [pid 5714] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5710] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fcb9828f990, parent_tid=0x7fcb9828f990, exit_signal=0, stack=0x7fcb9826f000, stack_size=0x20200, tls=0x7fcb9828f6c0} [pid 5717] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 ci2-upstream-fs/strace-static-x86_64: Process 5719 attached [pid 5714] <... futex resumed>) = 1 [pid 5712] <... futex resumed>) = 0 [pid 5710] <... futex resumed>) = 1 [pid 5711] <... futex resumed>) = 0 [pid 5717] chdir("./file1" [pid 5711] futex(0x7fcb9838fe28, FUTEX_WAKE_PRIVATE, 1000000 [pid 5710] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5714] link("./file1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5712] link("./file1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5719] rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053 [pid 5717] <... chdir resumed>) = 0 [pid 5711] <... futex resumed>) = 0 [pid 5709] <... clone3 resumed> => {parent_tid=[18]}, 88) = 18 [pid 5717] openat(AT_FDCWD, "/dev/loop4", O_RDONLY [pid 5711] futex(0x7fcb9838fe2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5717] <... openat resumed>) = 4 [pid 5717] ioctl(4, LOOP_CLR_FD [pid 5719] <... rseq resumed>) = 0 [pid 5717] <... ioctl resumed>) = 0 [pid 5709] rt_sigprocmask(SIG_SETMASK, [] [pid 5717] close(4 [pid 5719] set_robust_list(0x7fcb9828f9a0, 24 [pid 5717] <... close resumed>) = 0 [pid 5709] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5719] <... set_robust_list resumed>) = 0 [pid 5709] futex(0x7fcb9838fe38, FUTEX_WAKE_PRIVATE, 1000000 [pid 5717] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5717] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5719] rt_sigprocmask(SIG_SETMASK, [] [pid 5709] <... futex resumed>) = 0 [pid 5719] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5715] <... futex resumed>) = 0 [pid 5712] <... link resumed>) = 0 [pid 5719] mkdir(".", 0777 [pid 5712] futex(0x7fcb9838fe2c, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] futex(0x7fcb9838fe3c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5719] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5712] <... futex resumed>) = 1 [pid 5712] futex(0x7fcb9838fe28, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5719] mount(NULL, ".", 0x200000000f40, MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_SILENT|MS_POSIXACL|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "" [pid 5710] <... futex resumed>) = 0 [ 142.113940][ T5717] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 142.157789][ T5713] UDF-fs: error (device loop3): udf_verify_fi: directory (ino 1408) has entry at pos 40 with incorrect tag 0 [ 142.158375][ T5713] ------------[ cut here ]------------ [ 142.158388][ T5713] ret [ 142.158405][ T5713] WARNING: fs/udf/namei.c:214 at udf_fiiter_add_entry+0x1a2c/0x2000, CPU#1: syz-executor378/5713 [ 142.189396][ T5713] Modules linked in: [ 142.193693][ T5713] CPU: 1 UID: 0 PID: 5713 Comm: syz-executor378 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 142.204812][ T5713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 142.215090][ T5713] RIP: 0010:udf_fiiter_add_entry+0x1a2c/0x2000 [ 142.221330][ T5713] Code: 41 d3 ed 45 01 f5 44 89 6c 24 40 e9 f5 fb ff ff e8 f9 60 67 fe 49 be f8 f8 f8 f8 f8 f8 f8 f8 e9 ae fe ff ff e8 e5 60 67 fe 90 <0f> 0b 90 e9 f6 f8 ff ff 89 d1 80 e1 07 38 c1 0f 8c d0 e6 ff ff 48 [ 142.241321][ T5713] RSP: 0000:ffffc900052b77c0 EFLAGS: 00010293 [ 142.247538][ T5713] RAX: ffffffff835f786b RBX: fffff52000a56f1c RCX: ffff88801ef40000 [ 142.255942][ T5713] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 142.264351][ T5713] RBP: ffffc900052b7bd0 R08: 0000000000000000 R09: 0000000000000000 [ 142.272398][ T5713] R10: dffffc0000000000 R11: ffffed1009bb2b74 R12: dffffc0000000000 [ 142.280524][ T5713] R13: ffffc900052b7c20 R14: ffff88804ddba818 R15: 00000000ffffff8b [ 142.288611][ T5713] FS: 00007fcb982b06c0(0000) GS:ffff888124abb000(0000) knlGS:0000000000000000 [ 142.297776][ T5713] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 142.304499][ T5713] CR2: 00007f6394285000 CR3: 000000003c8a6000 CR4: 00000000003526f0 [ 142.312883][ T5713] Call Trace: [ 142.316321][ T5713] [ 142.319340][ T5713] ? security_path_link+0x151/0x340 [ 142.324666][ T5713] ? filename_linkat+0x20d/0x5f0 [ 142.329668][ T5713] ? __se_sys_link+0x55/0x2c0 [ 142.334486][ T5713] ? __pfx_udf_fiiter_add_entry+0x10/0x10 [ 142.340373][ T5713] ? tomoyo_path2_perm+0x299/0x760 [ 142.345669][ T5713] ? __lock_acquire+0x747/0x2de0 [ 142.350687][ T5713] udf_link+0xff/0x360 [ 142.355158][ T5713] ? __pfx_udf_link+0x10/0x10 [ 142.360032][ T5713] ? rwbase_write_lock+0x550/0x720 [ 142.366153][ T5713] ? try_break_deleg+0x5e/0x190 [ 142.371294][ T5713] vfs_link+0x491/0x650 [ 142.375599][ T5713] filename_linkat+0x26d/0x5f0 [ 142.380767][ T5713] ? __pfx_filename_linkat+0x10/0x10 [ 142.386188][ T5713] ? do_getname+0x151/0x250 [ 142.391202][ T5713] __se_sys_link+0x55/0x2c0 [ 142.396320][ T5713] do_syscall_64+0x166/0x520 [ 142.401095][ T5713] ? trace_irq_disable+0x3b/0x140 [ 142.407955][ T5713] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 142.414523][ T5713] ? clear_bhb_loop+0x70/0xc0 [ 142.420153][ T5713] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 142.427735][ T5713] RIP: 0033:0x7fcb982f4089 [ 142.432276][ T5713] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 142.452266][ T5713] RSP: 002b:00007fcb982b0128 EFLAGS: 00000246 ORIG_RAX: 0000000000000056 [ 142.461342][ T5713] RAX: ffffffffffffffda RBX: 00007fcb9838fe28 RCX: 00007fcb982f4089 [ 142.469783][ T5713] RDX: 00007fcb982f4089 RSI: 0000200000000240 RDI: 0000200000000400 [ 142.478339][ T5713] RBP: 00007fcb9838fe20 R08: 00007fcb982b0cdc R09: 0000000000000000 [ 142.487693][ T5713] R10: 00007fcb982b0cdc R11: 0000000000000246 R12: 00007fcb9838fe2c [ 142.498138][ T5713] R13: 000000000000000b R14: 00007ffd53cefc40 R15: 00007ffd53cefd28 [ 142.508249][ T5713] [ 142.512222][ T5713] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 142.519718][ T5713] CPU: 1 UID: 0 PID: 5713 Comm: syz-executor378 Not tainted syzkaller #0 PREEMPT_{RT,(full)} [ 142.530625][ T5713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 142.542205][ T5713] Call Trace: [ 142.546364][ T5713] [ 142.550026][ T5713] vpanic+0x56d/0xa60 [ 142.555920][ T5713] ? __pfx__printk+0x10/0x10 [ 142.561493][ T5713] ? __pfx_vpanic+0x10/0x10 [ 142.566514][ T5713] ? is_bpf_text_address+0x292/0x2b0 [ 142.572955][ T5713] ? is_bpf_text_address+0x26/0x2b0 [ 142.578406][ T5713] panic+0xc5/0xd0 [ 142.582203][ T5713] ? __pfx_panic+0x10/0x10 [ 142.586814][ T5713] __warn+0x315/0x4c0 [ 142.591658][ T5713] ? udf_fiiter_add_entry+0x1a2c/0x2000 [ 142.598011][ T5713] ? udf_fiiter_add_entry+0x1a2c/0x2000 [ 142.603928][ T5713] __report_bug+0x276/0x570 [ 142.610338][ T5713] ? __pfx__printk+0x10/0x10 [ 142.615266][ T5713] ? udf_fiiter_add_entry+0x1a2c/0x2000 [ 142.621356][ T5713] ? __pfx___report_bug+0x10/0x10 [ 142.626558][ T5713] ? _udf_err+0x138/0x1a0 [ 142.631093][ T5713] ? __pfx_inode_maybe_inc_iversion+0x10/0x10 [ 142.638900][ T5713] ? rt_spin_unlock+0x159/0x200 [ 142.644013][ T5713] ? __pfx__udf_err+0x10/0x10 [ 142.648938][ T5713] ? udf_fiiter_add_entry+0x1a2c/0x2000 [ 142.654826][ T5713] report_bug+0x16b/0x220 [ 142.660162][ T5713] ? udf_fiiter_add_entry+0x1a2c/0x2000 [ 142.665931][ T5713] ? udf_fiiter_add_entry+0x1a2e/0x2000 [ 142.671549][ T5713] handle_bug+0x9c/0x200 [ 142.676115][ T5713] exc_invalid_op+0x1a/0x50 [ 142.682099][ T5713] asm_exc_invalid_op+0x1a/0x20 [ 142.689322][ T5713] RIP: 0010:udf_fiiter_add_entry+0x1a2c/0x2000 [ 142.696246][ T5713] Code: 41 d3 ed 45 01 f5 44 89 6c 24 40 e9 f5 fb ff ff e8 f9 60 67 fe 49 be f8 f8 f8 f8 f8 f8 f8 f8 e9 ae fe ff ff e8 e5 60 67 fe 90 <0f> 0b 90 e9 f6 f8 ff ff 89 d1 80 e1 07 38 c1 0f 8c d0 e6 ff ff 48 [ 142.719108][ T5713] RSP: 0000:ffffc900052b77c0 EFLAGS: 00010293 [ 142.726036][ T5713] RAX: ffffffff835f786b RBX: fffff52000a56f1c RCX: ffff88801ef40000 [ 142.734208][ T5713] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 142.742443][ T5713] RBP: ffffc900052b7bd0 R08: 0000000000000000 R09: 0000000000000000 [ 142.750859][ T5713] R10: dffffc0000000000 R11: ffffed1009bb2b74 R12: dffffc0000000000 [ 142.759118][ T5713] R13: ffffc900052b7c20 R14: ffff88804ddba818 R15: 00000000ffffff8b [ 142.767250][ T5713] ? udf_fiiter_add_entry+0x1a2b/0x2000 [ 142.772990][ T5713] ? security_path_link+0x151/0x340 [ 142.779429][ T5713] ? filename_linkat+0x20d/0x5f0 [ 142.784636][ T5713] ? __se_sys_link+0x55/0x2c0 [ 142.789583][ T5713] ? __pfx_udf_fiiter_add_entry+0x10/0x10 [ 142.796714][ T5713] ? tomoyo_path2_perm+0x299/0x760 [ 142.802018][ T5713] ? __lock_acquire+0x747/0x2de0 [ 142.807670][ T5713] udf_link+0xff/0x360 [ 142.811911][ T5713] ? __pfx_udf_link+0x10/0x10 [ 142.816761][ T5713] ? rwbase_write_lock+0x550/0x720 [ 142.822603][ T5713] ? try_break_deleg+0x5e/0x190 [ 142.827720][ T5713] vfs_link+0x491/0x650 [ 142.832034][ T5713] filename_linkat+0x26d/0x5f0 [ 142.837399][ T5713] ? __pfx_filename_linkat+0x10/0x10 [ 142.842925][ T5713] ? do_getname+0x151/0x250 [ 142.847495][ T5713] __se_sys_link+0x55/0x2c0 [ 142.852349][ T5713] do_syscall_64+0x166/0x520 [ 142.857125][ T5713] ? trace_irq_disable+0x3b/0x140 [ 142.862218][ T5713] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 142.869308][ T5713] ? clear_bhb_loop+0x70/0xc0 [ 142.874062][ T5713] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 142.880255][ T5713] RIP: 0033:0x7fcb982f4089 [ 142.884726][ T5713] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 142.907075][ T5713] RSP: 002b:00007fcb982b0128 EFLAGS: 00000246 ORIG_RAX: 0000000000000056 [ 142.917203][ T5713] RAX: ffffffffffffffda RBX: 00007fcb9838fe28 RCX: 00007fcb982f4089 [ 142.925928][ T5713] RDX: 00007fcb982f4089 RSI: 0000200000000240 RDI: 0000200000000400 [ 142.933972][ T5713] RBP: 00007fcb9838fe20 R08: 00007fcb982b0cdc R09: 0000000000000000 [ 142.942003][ T5713] R10: 00007fcb982b0cdc R11: 0000000000000246 R12: 00007fcb9838fe2c [ 142.950451][ T5713] R13: 000000000000000b R14: 00007ffd53cefc40 R15: 00007ffd53cefd28 [ 142.958501][ T5713] [ 142.962332][ T5713] Kernel Offset: disabled [ 142.967587][ T5713] Rebooting in 86400 seconds..