./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4256851640 <...> [ 3.111699][ T30] audit: type=1400 audit(1669147831.130:8): avc: denied { create } for pid=164 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 3.117320][ T30] audit: type=1400 audit(1669147831.130:9): avc: denied { append open } for pid=164 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 3.123298][ T30] audit: type=1400 audit(1669147831.130:10): avc: denied { getattr } for pid=164 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 3.211684][ T181] udevd[181]: starting version 3.2.10 [ 3.237945][ T182] udevd[182]: starting eudev-3.2.10 [ 3.239915][ T181] udevd (181) used greatest stack depth: 22976 bytes left [ 3.382006][ T183] udevadm (183) used greatest stack depth: 22368 bytes left [ 11.748430][ T30] kauditd_printk_skb: 49 callbacks suppressed [ 11.748445][ T30] audit: type=1400 audit(1669147839.800:60): avc: denied { transition } for pid=318 comm="sshd" path="/bin/sh" dev="sda1" ino=73 scontext=system_u:system_r:initrc_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 11.752400][ T30] audit: type=1400 audit(1669147839.800:61): avc: denied { write } for pid=318 comm="sh" path="pipe:[13084]" dev="pipefs" ino=13084 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 Warning: Permanently added '10.128.0.253' (ECDSA) to the list of known hosts. execve("./syz-executor4256851640", ["./syz-executor4256851640"], 0x7ffdaf6f18b0 /* 10 vars */) = 0 brk(NULL) = 0x55555628f000 brk(0x55555628fc40) = 0x55555628fc40 arch_prctl(ARCH_SET_FS, 0x55555628f300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor4256851640", 4096) = 28 brk(0x5555562b0c40) = 0x5555562b0c40 brk(0x5555562b1000) = 0x5555562b1000 mprotect(0x7f6138a16000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 unshare(CLONE_NEWPID) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555628f5d0) = 422 ./strace-static-x86_64: Process 422 attached [pid 422] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 422] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 422] setsid() = 1 [pid 422] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 422] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 422] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 422] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 422] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 422] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 422] unshare(CLONE_NEWNS) = 0 [pid 422] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 422] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 422] unshare(CLONE_NEWCGROUP) = 0 [pid 422] unshare(CLONE_NEWUTS) = 0 [pid 422] unshare(CLONE_SYSVSEM) = 0 [pid 422] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 422] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 422] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 422] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 422] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 422] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 422] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 422] getpid() = 1 [pid 422] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<) = 0 [pid 422] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555628f5d0) = 4 ./strace-static-x86_64: Process 430 attached [pid 430] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 430] setpgid(0, 0) = 0 [pid 430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 430] write(3, "1000", 4) = 4 [pid 430] close(3) = 0 [pid 430] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [ 34.719909][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 34.735173][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 34.743085][ T88] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 34.751081][ T429] netlink: 'syz-executor425': attribute type 4 has an invalid length. [ 34.761470][ T429] IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready [ 34.768494][ T429] IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready [pid 430] writev(3, [{iov_base="\x39\x00\x00\x00\x13\x00\x03\x47\x0f\xbb\x65\xe1\xc3\xe4\xff\xff\x06\x00\x60\x00\x01\x00\x00\x00\x56\x00\x00\x00\x25\x00\x00\x00\x19\x00\x04\x00\x04\x00\x00\x00\x07\xfd\x17\xe5\xff\x8e\x06\x06\x04\x00\x20\x00\x00\x00\x00\x00\x00", iov_len=57}], 1) = 57 [pid 430] socket(AF_NETLINK, SOCK_DGRAM, NETLINK_ROUTE) = 4 [pid 430] ioctl(4, _IOC(_IOC_NONE, 0x89, 0xf2, 0), 0) = -1 EFAULT (Bad address) [pid 430] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 430] ioctl(6, SIOCGIFINDEX, {ifr_name="lo", ifr_ifindex=1}) = 0 [pid 430] ioctl(4, _IOC(_IOC_NONE, 0x89, 0xf1, 0), 0x200000c0) = -1 EEXIST (File exists) [pid 430] socketpair(AF_UNIX, SOCK_STREAM, 0, NULL) = -1 EFAULT (Bad address) [pid 430] ioctl(-1, _IOC(_IOC_NONE, 0x89, 0xf1, 0), 0) = -1 EBADF (Bad file descriptor) [pid 430] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 7 [pid 430] sendmsg(7, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x5f\xba\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00\x08\x00\x1b\x00\x00\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 430] close(3) = 0 [pid 430] close(4) = 0 [pid 430] close(5) = 0 [pid 430] close(6) = 0 [pid 430] close(7) = 0 [pid 430] close(8) = -1 EBADF (Bad file descriptor) [pid 430] close(9) = -1 EBADF (Bad file descriptor) [pid 430] close(10) = -1 EBADF (Bad file descriptor) [pid 430] close(11) = -1 EBADF (Bad file descriptor) [pid 430] close(12) = -1 EBADF (Bad file descriptor) [pid 430] close(13) = -1 EBADF (Bad file descriptor) [pid 430] close(14) = -1 EBADF (Bad file descriptor) [pid 430] close(15) = -1 EBADF (Bad file descriptor) [pid 430] close(16) = -1 EBADF (Bad file descriptor) [pid 430] close(17) = -1 EBADF (Bad file descriptor) [pid 430] close(18) = -1 EBADF (Bad file descriptor) [pid 430] close(19) = -1 EBADF (Bad file descriptor) [pid 430] close(20) = -1 EBADF (Bad file descriptor) [pid 430] close(21) = -1 EBADF (Bad file descriptor) [pid 430] close(22) = -1 EBADF (Bad file descriptor) [pid 430] close(23) = -1 EBADF (Bad file descriptor) [pid 430] close(24) = -1 EBADF (Bad file descriptor) [pid 430] close(25) = -1 EBADF (Bad file descriptor) [pid 430] close(26) = -1 EBADF (Bad file descriptor) [pid 430] close(27) = -1 EBADF (Bad file descriptor) [pid 430] close(28) = -1 EBADF (Bad file descriptor) [pid 430] close(29) = -1 EBADF (Bad file descriptor) [pid 430] exit_group(0) = ? [pid 430] +++ exited with 0 +++ [pid 422] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 422] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 422] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 431 attached , child_tidptr=0x55555628f5d0) = 5 [pid 431] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 431] setpgid(0, 0) = 0 [pid 431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 431] write(3, "1000", 4) = 4 [pid 431] close(3) = 0 [pid 431] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 431] writev(3, [{iov_base="\x39\x00\x00\x00\x13\x00\x03\x47\x0f\xbb\x65\xe1\xc3\xe4\xff\xff\x06\x00\x60\x00\x01\x00\x00\x00\x56\x00\x00\x00\x25\x00\x00\x00\x19\x00\x04\x00\x04\x00\x00\x00\x07\xfd\x17\xe5\xff\x8e\x06\x06\x04\x00\x20\x00\x00\x00\x00\x00\x00", iov_len=57}], 1) = 57 [pid 431] socket(AF_NETLINK, SOCK_DGRAM, NETLINK_ROUTE) = 4 [pid 431] ioctl(4, _IOC(_IOC_NONE, 0x89, 0xf2, 0), 0) = -1 EFAULT (Bad address) [pid 431] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 431] ioctl(6, SIOCGIFINDEX, {ifr_name="lo", ifr_ifindex=1}) = 0 [pid 431] ioctl(4, _IOC(_IOC_NONE, 0x89, 0xf1, 0), 0x200000c0) = -1 EEXIST (File exists) [pid 431] socketpair(AF_UNIX, SOCK_STREAM, 0, NULL) = -1 EFAULT (Bad address) [pid 431] ioctl(-1, _IOC(_IOC_NONE, 0x89, 0xf1, 0), 0) = -1 EBADF (Bad file descriptor) [pid 431] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 7 [ 34.785605][ T430] netlink: 'syz-executor425': attribute type 4 has an invalid length. [ 34.795501][ T430] IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready [ 34.802787][ T430] IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready [ 34.820040][ T431] netlink: 'syz-executor425': attribute type 4 has an invalid length. [pid 431] sendmsg(7, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x5f\xba\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00\x08\x00\x1b\x00\x00\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 431] close(3) = 0 [pid 431] close(4) = 0 [pid 431] close(5) = 0 [pid 431] close(6) = 0 [pid 431] close(7) = 0 [pid 431] close(8) = -1 EBADF (Bad file descriptor) [pid 431] close(9) = -1 EBADF (Bad file descriptor) [pid 431] close(10) = -1 EBADF (Bad file descriptor) [pid 431] close(11) = -1 EBADF (Bad file descriptor) [pid 431] close(12) = -1 EBADF (Bad file descriptor) [pid 431] close(13) = -1 EBADF (Bad file descriptor) [pid 431] close(14) = -1 EBADF (Bad file descriptor) [pid 431] close(15) = -1 EBADF (Bad file descriptor) [pid 431] close(16) = -1 EBADF (Bad file descriptor) [pid 431] close(17) = -1 EBADF (Bad file descriptor) [pid 431] close(18) = -1 EBADF (Bad file descriptor) [pid 431] close(19) = -1 EBADF (Bad file descriptor) [pid 431] close(20) = -1 EBADF (Bad file descriptor) [pid 431] close(21) = -1 EBADF (Bad file descriptor) [pid 431] close(22) = -1 EBADF (Bad file descriptor) [pid 431] close(23) = -1 EBADF (Bad file descriptor) [pid 431] close(24) = -1 EBADF (Bad file descriptor) [pid 431] close(25) = -1 EBADF (Bad file descriptor) [pid 431] close(26) = -1 EBADF (Bad file descriptor) [pid 431] close(27) = -1 EBADF (Bad file descriptor) [pid 431] close(28) = -1 EBADF (Bad file descriptor) [pid 431] close(29) = -1 EBADF (Bad file descriptor) [pid 431] exit_group(0) = ? [pid 431] +++ exited with 0 +++ [pid 422] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 422] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 422] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555628f5d0) = 6 ./strace-static-x86_64: Process 432 attached [pid 432] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 432] setpgid(0, 0) = 0 [pid 432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 432] write(3, "1000", 4) = 4 [pid 432] close(3) = 0 [pid 432] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 432] writev(3, [{iov_base="\x39\x00\x00\x00\x13\x00\x03\x47\x0f\xbb\x65\xe1\xc3\xe4\xff\xff\x06\x00\x60\x00\x01\x00\x00\x00\x56\x00\x00\x00\x25\x00\x00\x00\x19\x00\x04\x00\x04\x00\x00\x00\x07\xfd\x17\xe5\xff\x8e\x06\x06\x04\x00\x20\x00\x00\x00\x00\x00\x00", iov_len=57}], 1) = 57 [pid 432] socket(AF_NETLINK, SOCK_DGRAM, NETLINK_ROUTE) = 4 [pid 432] ioctl(4, _IOC(_IOC_NONE, 0x89, 0xf2, 0), 0) = -1 EFAULT (Bad address) [pid 432] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 432] ioctl(6, SIOCGIFINDEX, {ifr_name="lo", ifr_ifindex=1}) = 0 [pid 432] ioctl(4, _IOC(_IOC_NONE, 0x89, 0xf1, 0), 0x200000c0) = -1 EEXIST (File exists) [pid 432] socketpair(AF_UNIX, SOCK_STREAM, 0, NULL) = -1 EFAULT (Bad address) [pid 432] ioctl(-1, _IOC(_IOC_NONE, 0x89, 0xf1, 0), 0) = -1 EBADF (Bad file descriptor) [pid 432] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 7 [pid 432] sendmsg(7, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x5f\xba\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00\x08\x00\x1b\x00\x00\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 432] close(3) = 0 [pid 432] close(4) = 0 [pid 432] close(5) = 0 [pid 432] close(6) = 0 [pid 432] close(7) = 0 [pid 432] close(8) = -1 EBADF (Bad file descriptor) [pid 432] close(9) = -1 EBADF (Bad file descriptor) [pid 432] close(10) = -1 EBADF (Bad file descriptor) [pid 432] close(11) = -1 EBADF (Bad file descriptor) [pid 432] close(12) = -1 EBADF (Bad file descriptor) [pid 432] close(13) = -1 EBADF (Bad file descriptor) [pid 432] close(14) = -1 EBADF (Bad file descriptor) [pid 432] close(15) = -1 EBADF (Bad file descriptor) [pid 432] close(16) = -1 EBADF (Bad file descriptor) [pid 432] close(17) = -1 EBADF (Bad file descriptor) [pid 432] close(18) = -1 EBADF (Bad file descriptor) [pid 432] close(19) = -1 EBADF (Bad file descriptor) [pid 432] close(20) = -1 EBADF (Bad file descriptor) [pid 432] close(21) = -1 EBADF (Bad file descriptor) [pid 432] close(22) = -1 EBADF (Bad file descriptor) [pid 432] close(23) = -1 EBADF (Bad file descriptor) [pid 432] close(24) = -1 EBADF (Bad file descriptor) [pid 432] close(25) = -1 EBADF (Bad file descriptor) [pid 432] close(26) = -1 EBADF (Bad file descriptor) [pid 432] close(27) = -1 EBADF (Bad file descriptor) [pid 432] close(28) = -1 EBADF (Bad file descriptor) [pid 432] close(29) = -1 EBADF (Bad file descriptor) [pid 432] exit_group(0) = ? [pid 432] +++ exited with 0 +++ [pid 422] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 422] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 422] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 433 attached , child_tidptr=0x55555628f5d0) = 7 [pid 433] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 433] setpgid(0, 0) = 0 [pid 433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 433] write(3, "1000", 4) = 4 [pid 433] close(3) = 0 [pid 433] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [ 34.830018][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready [ 34.837133][ T431] IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready [ 34.854345][ T432] netlink: 'syz-executor425': attribute type 4 has an invalid length. [ 34.864390][ T432] IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready [ 34.871685][ T432] IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready [pid 433] writev(3, [{iov_base="\x39\x00\x00\x00\x13\x00\x03\x47\x0f\xbb\x65\xe1\xc3\xe4\xff\xff\x06\x00\x60\x00\x01\x00\x00\x00\x56\x00\x00\x00\x25\x00\x00\x00\x19\x00\x04\x00\x04\x00\x00\x00\x07\xfd\x17\xe5\xff\x8e\x06\x06\x04\x00\x20\x00\x00\x00\x00\x00\x00", iov_len=57}], 1) = 57 [pid 433] socket(AF_NETLINK, SOCK_DGRAM, NETLINK_ROUTE) = 4 [pid 433] ioctl(4, _IOC(_IOC_NONE, 0x89, 0xf2, 0), 0) = -1 EFAULT (Bad address) [pid 433] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 433] ioctl(6, SIOCGIFINDEX, {ifr_name="lo", ifr_ifindex=1}) = 0 [pid 433] ioctl(4, _IOC(_IOC_NONE, 0x89, 0xf1, 0), 0x200000c0) = -1 EEXIST (File exists) [pid 433] socketpair(AF_UNIX, SOCK_STREAM, 0, NULL) = -1 EFAULT (Bad address) [pid 433] ioctl(-1, _IOC(_IOC_NONE, 0x89, 0xf1, 0), 0) = -1 EBADF (Bad file descriptor) [pid 433] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 7 [pid 433] sendmsg(7, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x5f\xba\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00\x08\x00\x1b\x00\x00\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 433] close(3) = 0 [pid 433] close(4) = 0 [pid 433] close(5) = 0 [pid 433] close(6) = 0 [pid 433] close(7) = 0 [pid 433] close(8) = -1 EBADF (Bad file descriptor) [pid 433] close(9) = -1 EBADF (Bad file descriptor) [pid 433] close(10) = -1 EBADF (Bad file descriptor) [pid 433] close(11) = -1 EBADF (Bad file descriptor) [pid 433] close(12) = -1 EBADF (Bad file descriptor) [pid 433] close(13) = -1 EBADF (Bad file descriptor) [pid 433] close(14) = -1 EBADF (Bad file descriptor) [pid 433] close(15) = -1 EBADF (Bad file descriptor) [pid 433] close(16) = -1 EBADF (Bad file descriptor) [pid 433] close(17) = -1 EBADF (Bad file descriptor) [pid 433] close(18) = -1 EBADF (Bad file descriptor) [pid 433] close(19) = -1 EBADF (Bad file descriptor) [pid 433] close(20) = -1 EBADF (Bad file descriptor) [pid 433] close(21) = -1 EBADF (Bad file descriptor) [pid 433] close(22) = -1 EBADF (Bad file descriptor) [pid 433] close(23) = -1 EBADF (Bad file descriptor) [pid 433] close(24) = -1 EBADF (Bad file descriptor) [pid 433] close(25) = -1 EBADF (Bad file descriptor) [pid 433] close(26) = -1 EBADF (Bad file descriptor) [pid 433] close(27) = -1 EBADF (Bad file descriptor) [pid 433] close(28) = -1 EBADF (Bad file descriptor) [pid 433] close(29) = -1 EBADF (Bad file descriptor) [pid 433] exit_group(0) = ? [pid 433] +++ exited with 0 +++ [pid 422] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=7, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 422] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 422] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 434 attached [pid 434] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 422] <... clone resumed>, child_tidptr=0x55555628f5d0) = 8 [pid 434] <... prctl resumed>) = 0 [pid 434] setpgid(0, 0) = 0 [pid 434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 434] write(3, "1000", 4) = 4 [pid 434] close(3) = 0 [pid 434] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 434] writev(3, [{iov_base="\x39\x00\x00\x00\x13\x00\x03\x47\x0f\xbb\x65\xe1\xc3\xe4\xff\xff\x06\x00\x60\x00\x01\x00\x00\x00\x56\x00\x00\x00\x25\x00\x00\x00\x19\x00\x04\x00\x04\x00\x00\x00\x07\xfd\x17\xe5\xff\x8e\x06\x06\x04\x00\x20\x00\x00\x00\x00\x00\x00", iov_len=57}], 1) = 57 [pid 434] socket(AF_NETLINK, SOCK_DGRAM, NETLINK_ROUTE) = 4 [pid 434] ioctl(4, _IOC(_IOC_NONE, 0x89, 0xf2, 0), 0) = -1 EFAULT (Bad address) [pid 434] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 434] ioctl(6, SIOCGIFINDEX, {ifr_name="lo", ifr_ifindex=1}) = 0 [pid 434] ioctl(4, _IOC(_IOC_NONE, 0x89, 0xf1, 0), 0x200000c0) = -1 EEXIST (File exists) [pid 434] socketpair(AF_UNIX, SOCK_STREAM, 0, NULL) = -1 EFAULT (Bad address) [pid 434] ioctl(-1, _IOC(_IOC_NONE, 0x89, 0xf1, 0), 0) = -1 EBADF (Bad file descriptor) [pid 434] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 7 [ 34.888316][ T433] netlink: 'syz-executor425': attribute type 4 has an invalid length. [ 34.898575][ T433] IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready [ 34.905595][ T433] IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready [ 34.922539][ T434] netlink: 'syz-executor425': attribute type 4 has an invalid length. [pid 434] sendmsg(7, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x5f\xba\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00\x08\x00\x1b\x00\x00\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 434] close(3) = 0 [pid 434] close(4) = 0 [pid 434] close(5) = 0 [pid 434] close(6) = 0 [pid 434] close(7) = 0 [pid 434] close(8) = -1 EBADF (Bad file descriptor) [pid 434] close(9) = -1 EBADF (Bad file descriptor) [pid 434] close(10) = -1 EBADF (Bad file descriptor) [pid 434] close(11) = -1 EBADF (Bad file descriptor) [pid 434] close(12) = -1 EBADF (Bad file descriptor) [pid 434] close(13) = -1 EBADF (Bad file descriptor) [pid 434] close(14) = -1 EBADF (Bad file descriptor) [pid 434] close(15) = -1 EBADF (Bad file descriptor) [pid 434] close(16) = -1 EBADF (Bad file descriptor) [pid 434] close(17) = -1 EBADF (Bad file descriptor) [pid 434] close(18) = -1 EBADF (Bad file descriptor) [pid 434] close(19) = -1 EBADF (Bad file descriptor) [pid 434] close(20) = -1 EBADF (Bad file descriptor) [pid 434] close(21) = -1 EBADF (Bad file descriptor) [pid 434] close(22) = -1 EBADF (Bad file descriptor) [pid 434] close(23) = -1 EBADF (Bad file descriptor) [pid 434] close(24) = -1 EBADF (Bad file descriptor) [pid 434] close(25) = -1 EBADF (Bad file descriptor) [pid 434] close(26) = -1 EBADF (Bad file descriptor) [pid 434] close(27) = -1 EBADF (Bad file descriptor) [pid 434] close(28) = -1 EBADF (Bad file descriptor) [pid 434] close(29) = -1 EBADF (Bad file descriptor) [pid 434] exit_group(0) = ? [pid 434] +++ exited with 0 +++ [pid 422] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 422] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 422] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555628f5d0) = 9 ./strace-static-x86_64: Process 435 attached [pid 435] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 435] setpgid(0, 0) = 0 [pid 435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 435] write(3, "1000", 4) = 4 [pid 435] close(3) = 0 [pid 435] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 435] writev(3, [{iov_base="\x39\x00\x00\x00\x13\x00\x03\x47\x0f\xbb\x65\xe1\xc3\xe4\xff\xff\x06\x00\x60\x00\x01\x00\x00\x00\x56\x00\x00\x00\x25\x00\x00\x00\x19\x00\x04\x00\x04\x00\x00\x00\x07\xfd\x17\xe5\xff\x8e\x06\x06\x04\x00\x20\x00\x00\x00\x00\x00\x00", iov_len=57}], 1) = 57 [pid 435] socket(AF_NETLINK, SOCK_DGRAM, NETLINK_ROUTE) = 4 [pid 435] ioctl(4, _IOC(_IOC_NONE, 0x89, 0xf2, 0), 0) = -1 EFAULT (Bad address) [pid 435] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 435] ioctl(6, SIOCGIFINDEX, {ifr_name="lo", ifr_ifindex=1}) = 0 [pid 435] ioctl(4, _IOC(_IOC_NONE, 0x89, 0xf1, 0), 0x200000c0) = -1 EEXIST (File exists) [pid 435] socketpair(AF_UNIX, SOCK_STREAM, 0, NULL) = -1 EFAULT (Bad address) [pid 435] ioctl(-1, _IOC(_IOC_NONE, 0x89, 0xf1, 0), 0) = -1 EBADF (Bad file descriptor) [pid 435] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 7 [ 34.934409][ T434] IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready [ 34.941726][ T434] IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready [ 34.965032][ T435] netlink: 'syz-executor425': attribute type 4 has an invalid length. [ 34.975745][ T435] IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready [pid 435] sendmsg(7, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x5f\xba\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00\x08\x00\x1b\x00\x00\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 435] close(3) = 0 [pid 435] close(4) = 0 [pid 435] close(5) = 0 [pid 435] close(6) = 0 [pid 435] close(7) = 0 [pid 435] close(8) = -1 EBADF (Bad file descriptor) [pid 435] close(9) = -1 EBADF (Bad file descriptor) [pid 435] close(10) = -1 EBADF (Bad file descriptor) [pid 435] close(11) = -1 EBADF (Bad file descriptor) [pid 435] close(12) = -1 EBADF (Bad file descriptor) [pid 435] close(13) = -1 EBADF (Bad file descriptor) [pid 435] close(14) = -1 EBADF (Bad file descriptor) [pid 435] close(15) = -1 EBADF (Bad file descriptor) [pid 435] close(16) = -1 EBADF (Bad file descriptor) [pid 435] close(17) = -1 EBADF (Bad file descriptor) [pid 435] close(18) = -1 EBADF (Bad file descriptor) [pid 435] close(19) = -1 EBADF (Bad file descriptor) [pid 435] close(20) = -1 EBADF (Bad file descriptor) [pid 435] close(21) = -1 EBADF (Bad file descriptor) [pid 435] close(22) = -1 EBADF (Bad file descriptor) [pid 435] close(23) = -1 EBADF (Bad file descriptor) [pid 435] close(24) = -1 EBADF (Bad file descriptor) [pid 435] close(25) = -1 EBADF (Bad file descriptor) [pid 435] close(26) = -1 EBADF (Bad file descriptor) [pid 435] close(27) = -1 EBADF (Bad file descriptor) [pid 435] close(28) = -1 EBADF (Bad file descriptor) [pid 435] close(29) = -1 EBADF (Bad file descriptor) [pid 435] exit_group(0) = ? [pid 435] +++ exited with 0 +++ [pid 422] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=9, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 422] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 422] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 436 attached , child_tidptr=0x55555628f5d0) = 10 [pid 436] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 436] setpgid(0, 0) = 0 [pid 436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 436] write(3, "1000", 4) = 4 [pid 436] close(3) = 0 [pid 436] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 436] writev(3, [{iov_base="\x39\x00\x00\x00\x13\x00\x03\x47\x0f\xbb\x65\xe1\xc3\xe4\xff\xff\x06\x00\x60\x00\x01\x00\x00\x00\x56\x00\x00\x00\x25\x00\x00\x00\x19\x00\x04\x00\x04\x00\x00\x00\x07\xfd\x17\xe5\xff\x8e\x06\x06\x04\x00\x20\x00\x00\x00\x00\x00\x00", iov_len=57}], 1) = 57 [pid 436] socket(AF_NETLINK, SOCK_DGRAM, NETLINK_ROUTE) = 4 [pid 436] ioctl(4, _IOC(_IOC_NONE, 0x89, 0xf2, 0), 0) = -1 EFAULT (Bad address) [pid 436] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 436] ioctl(6, SIOCGIFINDEX, {ifr_name="lo", ifr_ifindex=1}) = 0 [pid 436] ioctl(4, _IOC(_IOC_NONE, 0x89, 0xf1, 0), 0x200000c0) = -1 EEXIST (File exists) [pid 436] socketpair(AF_UNIX, SOCK_STREAM, 0, NULL) = -1 EFAULT (Bad address) [pid 436] ioctl(-1, _IOC(_IOC_NONE, 0x89, 0xf1, 0), 0) = -1 EBADF (Bad file descriptor) [pid 436] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 7 [pid 436] sendmsg(7, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x5f\xba\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00\x08\x00\x1b\x00\x00\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 436] close(3) = 0 [pid 436] close(4) = 0 [pid 436] close(5) = 0 [pid 436] close(6) = 0 [pid 436] close(7) = 0 [pid 436] close(8) = -1 EBADF (Bad file descriptor) [pid 436] close(9) = -1 EBADF (Bad file descriptor) [pid 436] close(10) = -1 EBADF (Bad file descriptor) [pid 436] close(11) = -1 EBADF (Bad file descriptor) [pid 436] close(12) = -1 EBADF (Bad file descriptor) [pid 436] close(13) = -1 EBADF (Bad file descriptor) [pid 436] close(14) = -1 EBADF (Bad file descriptor) [pid 436] close(15) = -1 EBADF (Bad file descriptor) [pid 436] close(16) = -1 EBADF (Bad file descriptor) [pid 436] close(17) = -1 EBADF (Bad file descriptor) [pid 436] close(18) = -1 EBADF (Bad file descriptor) [pid 436] close(19) = -1 EBADF (Bad file descriptor) [pid 436] close(20) = -1 EBADF (Bad file descriptor) [pid 436] close(21) = -1 EBADF (Bad file descriptor) [pid 436] close(22) = -1 EBADF (Bad file descriptor) [pid 436] close(23) = -1 EBADF (Bad file descriptor) [pid 436] close(24) = -1 EBADF (Bad file descriptor) [pid 436] close(25) = -1 EBADF (Bad file descriptor) [pid 436] close(26) = -1 EBADF (Bad file descriptor) [pid 436] close(27) = -1 EBADF (Bad file descriptor) [pid 436] close(28) = -1 EBADF (Bad file descriptor) [pid 436] close(29) = -1 EBADF (Bad file descriptor) [pid 436] exit_group(0) = ? [pid 436] +++ exited with 0 +++ [pid 422] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 422] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 422] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555628f5d0) = 11 ./strace-static-x86_64: Process 437 attached [pid 437] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 437] setpgid(0, 0) = 0 [pid 437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 437] write(3, "1000", 4) = 4 [pid 437] close(3) = 0 [pid 437] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [ 34.982958][ T435] IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready [ 35.000392][ T436] netlink: 'syz-executor425': attribute type 4 has an invalid length. [ 35.010174][ T436] IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready [ 35.017284][ T436] IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready [pid 437] writev(3, [{iov_base="\x39\x00\x00\x00\x13\x00\x03\x47\x0f\xbb\x65\xe1\xc3\xe4\xff\xff\x06\x00\x60\x00\x01\x00\x00\x00\x56\x00\x00\x00\x25\x00\x00\x00\x19\x00\x04\x00\x04\x00\x00\x00\x07\xfd\x17\xe5\xff\x8e\x06\x06\x04\x00\x20\x00\x00\x00\x00\x00\x00", iov_len=57}], 1) = 57 [pid 437] socket(AF_NETLINK, SOCK_DGRAM, NETLINK_ROUTE) = 4 [pid 437] ioctl(4, _IOC(_IOC_NONE, 0x89, 0xf2, 0), 0) = -1 EFAULT (Bad address) [pid 437] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 437] ioctl(6, SIOCGIFINDEX, {ifr_name="lo", ifr_ifindex=1}) = 0 [pid 437] ioctl(4, _IOC(_IOC_NONE, 0x89, 0xf1, 0), 0x200000c0) = -1 EEXIST (File exists) [pid 437] socketpair(AF_UNIX, SOCK_STREAM, 0, NULL) = -1 EFAULT (Bad address) [pid 437] ioctl(-1, _IOC(_IOC_NONE, 0x89, 0xf1, 0), 0) = -1 EBADF (Bad file descriptor) [pid 437] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 7 [pid 437] sendmsg(7, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x5f\xba\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00\x08\x00\x1b\x00\x00\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 437] close(3) = 0 [pid 437] close(4) = 0 [pid 437] close(5) = 0 [pid 437] close(6) = 0 [pid 437] close(7) = 0 [pid 437] close(8) = -1 EBADF (Bad file descriptor) [pid 437] close(9) = -1 EBADF (Bad file descriptor) [pid 437] close(10) = -1 EBADF (Bad file descriptor) [pid 437] close(11) = -1 EBADF (Bad file descriptor) [pid 437] close(12) = -1 EBADF (Bad file descriptor) [pid 437] close(13) = -1 EBADF (Bad file descriptor) [pid 437] close(14) = -1 EBADF (Bad file descriptor) [pid 437] close(15) = -1 EBADF (Bad file descriptor) [pid 437] close(16) = -1 EBADF (Bad file descriptor) [pid 437] close(17) = -1 EBADF (Bad file descriptor) [pid 437] close(18) = -1 EBADF (Bad file descriptor) [pid 437] close(19) = -1 EBADF (Bad file descriptor) [pid 437] close(20) = -1 EBADF (Bad file descriptor) [pid 437] close(21) = -1 EBADF (Bad file descriptor) [pid 437] close(22) = -1 EBADF (Bad file descriptor) [pid 437] close(23) = -1 EBADF (Bad file descriptor) [pid 437] close(24) = -1 EBADF (Bad file descriptor) [pid 437] close(25) = -1 EBADF (Bad file descriptor) [pid 437] close(26) = -1 EBADF (Bad file descriptor) [pid 437] close(27) = -1 EBADF (Bad file descriptor) [pid 437] close(28) = -1 EBADF (Bad file descriptor) [pid 437] close(29) = -1 EBADF (Bad file descriptor) [pid 437] exit_group(0) = ? [pid 437] +++ exited with 0 +++ [pid 422] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 422] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 422] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555628f5d0) = 12 ./strace-static-x86_64: Process 438 attached [pid 438] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 438] setpgid(0, 0) = 0 [pid 438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 438] write(3, "1000", 4) = 4 [pid 438] close(3) = 0 [pid 438] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 438] writev(3, [{iov_base="\x39\x00\x00\x00\x13\x00\x03\x47\x0f\xbb\x65\xe1\xc3\xe4\xff\xff\x06\x00\x60\x00\x01\x00\x00\x00\x56\x00\x00\x00\x25\x00\x00\x00\x19\x00\x04\x00\x04\x00\x00\x00\x07\xfd\x17\xe5\xff\x8e\x06\x06\x04\x00\x20\x00\x00\x00\x00\x00\x00", iov_len=57}], 1) = 57 [pid 438] socket(AF_NETLINK, SOCK_DGRAM, NETLINK_ROUTE) = 4 [pid 438] ioctl(4, _IOC(_IOC_NONE, 0x89, 0xf2, 0), 0) = -1 EFAULT (Bad address) [pid 438] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 438] ioctl(6, SIOCGIFINDEX, {ifr_name="lo", ifr_ifindex=1}) = 0 [pid 438] ioctl(4, _IOC(_IOC_NONE, 0x89, 0xf1, 0), 0x200000c0) = -1 EEXIST (File exists) [pid 438] socketpair(AF_UNIX, SOCK_STREAM, 0, NULL) = -1 EFAULT (Bad address) [pid 438] ioctl(-1, _IOC(_IOC_NONE, 0x89, 0xf1, 0), 0) = -1 EBADF (Bad file descriptor) [pid 438] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 7 [pid 438] sendmsg(7, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x5f\xba\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00\x08\x00\x1b\x00\x00\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 438] close(3) = 0 [pid 438] close(4) = 0 [pid 438] close(5) = 0 [pid 438] close(6) = 0 [pid 438] close(7) = 0 [pid 438] close(8) = -1 EBADF (Bad file descriptor) [pid 438] close(9) = -1 EBADF (Bad file descriptor) [pid 438] close(10) = -1 EBADF (Bad file descriptor) [pid 438] close(11) = -1 EBADF (Bad file descriptor) [pid 438] close(12) = -1 EBADF (Bad file descriptor) [pid 438] close(13) = -1 EBADF (Bad file descriptor) [pid 438] close(14) = -1 EBADF (Bad file descriptor) [pid 438] close(15) = -1 EBADF (Bad file descriptor) [pid 438] close(16) = -1 EBADF (Bad file descriptor) [pid 438] close(17) = -1 EBADF (Bad file descriptor) [pid 438] close(18) = -1 EBADF (Bad file descriptor) [pid 438] close(19) = -1 EBADF (Bad file descriptor) [pid 438] close(20) = -1 EBADF (Bad file descriptor) [pid 438] close(21) = -1 EBADF (Bad file descriptor) [pid 438] close(22) = -1 EBADF (Bad file descriptor) [pid 438] close(23) = -1 EBADF (Bad file descriptor) [pid 438] close(24) = -1 EBADF (Bad file descriptor) [pid 438] close(25) = -1 EBADF (Bad file descriptor) [pid 438] close(26) = -1 EBADF (Bad file descriptor) [pid 438] close(27) = -1 EBADF (Bad file descriptor) [pid 438] close(28) = -1 EBADF (Bad file descriptor) [pid 438] close(29) = -1 EBADF (Bad file descriptor) [pid 438] exit_group(0) = ? [pid 438] +++ exited with 0 +++ [pid 422] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=12, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 422] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 422] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555628f5d0) = 13 ./strace-static-x86_64: Process 440 attached [pid 440] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 440] setpgid(0, 0) = 0 [pid 440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 440] write(3, "1000", 4) = 4 [pid 440] close(3) = 0 [pid 440] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 440] writev(3, [{iov_base="\x39\x00\x00\x00\x13\x00\x03\x47\x0f\xbb\x65\xe1\xc3\xe4\xff\xff\x06\x00\x60\x00\x01\x00\x00\x00\x56\x00\x00\x00\x25\x00\x00\x00\x19\x00\x04\x00\x04\x00\x00\x00\x07\xfd\x17\xe5\xff\x8e\x06\x06\x04\x00\x20\x00\x00\x00\x00\x00\x00", iov_len=57}], 1) = 57 [pid 440] socket(AF_NETLINK, SOCK_DGRAM, NETLINK_ROUTE) = 4 [pid 440] ioctl(4, _IOC(_IOC_NONE, 0x89, 0xf2, 0), 0) = -1 EFAULT (Bad address) [pid 440] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 440] ioctl(6, SIOCGIFINDEX, {ifr_name="lo", ifr_ifindex=1}) = 0 [pid 440] ioctl(4, _IOC(_IOC_NONE, 0x89, 0xf1, 0), 0x200000c0) = -1 EEXIST (File exists) [pid 440] socketpair(AF_UNIX, SOCK_STREAM, 0, NULL) = -1 EFAULT (Bad address) [pid 440] ioctl(-1, _IOC(_IOC_NONE, 0x89, 0xf1, 0), 0) = -1 EBADF (Bad file descriptor) [pid 440] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 7 [ 35.034482][ T437] netlink: 'syz-executor425': attribute type 4 has an invalid length. [ 35.044670][ T437] IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready [ 35.051675][ T437] IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready [ 35.071417][ T438] IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready [ 35.078634][ T438] IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready [pid 440] sendmsg(7, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x5f\xba\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00\x08\x00\x1b\x00\x00\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 440] close(3) = 0 [pid 440] close(4) = 0 [pid 440] close(5) = 0 [pid 440] close(6) = 0 [pid 440] close(7) = 0 [pid 440] close(8) = -1 EBADF (Bad file descriptor) [pid 440] close(9) = -1 EBADF (Bad file descriptor) [pid 440] close(10) = -1 EBADF (Bad file descriptor) [pid 440] close(11) = -1 EBADF (Bad file descriptor) [pid 440] close(12) = -1 EBADF (Bad file descriptor) [pid 440] close(13) = -1 EBADF (Bad file descriptor) [pid 440] close(14) = -1 EBADF (Bad file descriptor) [pid 440] close(15) = -1 EBADF (Bad file descriptor) [pid 440] close(16) = -1 EBADF (Bad file descriptor) [pid 440] close(17) = -1 EBADF (Bad file descriptor) [pid 440] close(18) = -1 EBADF (Bad file descriptor) [pid 440] close(19) = -1 EBADF (Bad file descriptor) [pid 440] close(20) = -1 EBADF (Bad file descriptor) [pid 440] close(21) = -1 EBADF (Bad file descriptor) [pid 440] close(22) = -1 EBADF (Bad file descriptor) [pid 440] close(23) = -1 EBADF (Bad file descriptor) [pid 440] close(24) = -1 EBADF (Bad file descriptor) [pid 440] close(25) = -1 EBADF (Bad file descriptor) [pid 440] close(26) = -1 EBADF (Bad file descriptor) [pid 440] close(27) = -1 EBADF (Bad file descriptor) [pid 440] close(28) = -1 EBADF (Bad file descriptor) [pid 440] close(29) = -1 EBADF (Bad file descriptor) [pid 440] exit_group(0) = ? [pid 440] +++ exited with 0 +++ [pid 422] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=13, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 422] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 422] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555628f5d0) = 14 ./strace-static-x86_64: Process 441 attached [pid 441] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 441] setpgid(0, 0) = 0 [pid 441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 441] write(3, "1000", 4) = 4 [pid 441] close(3) = 0 [pid 441] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 441] writev(3, [{iov_base="\x39\x00\x00\x00\x13\x00\x03\x47\x0f\xbb\x65\xe1\xc3\xe4\xff\xff\x06\x00\x60\x00\x01\x00\x00\x00\x56\x00\x00\x00\x25\x00\x00\x00\x19\x00\x04\x00\x04\x00\x00\x00\x07\xfd\x17\xe5\xff\x8e\x06\x06\x04\x00\x20\x00\x00\x00\x00\x00\x00", iov_len=57}], 1) = 57 [pid 441] socket(AF_NETLINK, SOCK_DGRAM, NETLINK_ROUTE) = 4 [pid 441] ioctl(4, _IOC(_IOC_NONE, 0x89, 0xf2, 0), 0) = -1 EFAULT (Bad address) [pid 441] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 441] ioctl(6, SIOCGIFINDEX, {ifr_name="lo", ifr_ifindex=1}) = 0 [pid 441] ioctl(4, _IOC(_IOC_NONE, 0x89, 0xf1, 0), 0x200000c0) = -1 EEXIST (File exists) [pid 441] socketpair(AF_UNIX, SOCK_STREAM, 0, NULL) = -1 EFAULT (Bad address) [pid 441] ioctl(-1, _IOC(_IOC_NONE, 0x89, 0xf1, 0), 0) = -1 EBADF (Bad file descriptor) [pid 441] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 7 [pid 441] sendmsg(7, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x5f\xba\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00\x08\x00\x1b\x00\x00\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 441] close(3) = 0 [pid 441] close(4) = 0 [pid 441] close(5) = 0 [pid 441] close(6) = 0 [pid 441] close(7) = 0 [pid 441] close(8) = -1 EBADF (Bad file descriptor) [pid 441] close(9) = -1 EBADF (Bad file descriptor) [pid 441] close(10) = -1 EBADF (Bad file descriptor) [pid 441] close(11) = -1 EBADF (Bad file descriptor) [pid 441] close(12) = -1 EBADF (Bad file descriptor) [pid 441] close(13) = -1 EBADF (Bad file descriptor) [pid 441] close(14) = -1 EBADF (Bad file descriptor) [pid 441] close(15) = -1 EBADF (Bad file descriptor) [pid 441] close(16) = -1 EBADF (Bad file descriptor) [pid 441] close(17) = -1 EBADF (Bad file descriptor) [pid 441] close(18) = -1 EBADF (Bad file descriptor) [pid 441] close(19) = -1 EBADF (Bad file descriptor) [pid 441] close(20) = -1 EBADF (Bad file descriptor) [pid 441] close(21) = -1 EBADF (Bad file descriptor) [pid 441] close(22) = -1 EBADF (Bad file descriptor) [pid 441] close(23) = -1 EBADF (Bad file descriptor) [pid 441] close(24) = -1 EBADF (Bad file descriptor) [pid 441] close(25) = -1 EBADF (Bad file descriptor) [pid 441] close(26) = -1 EBADF (Bad file descriptor) [pid 441] close(27) = -1 EBADF (Bad file descriptor) [pid 441] close(28) = -1 EBADF (Bad file descriptor) [pid 441] close(29) = -1 EBADF (Bad file descriptor) [pid 441] exit_group(0) = ? [pid 441] +++ exited with 0 +++ [pid 422] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 422] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 422] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 442 attached , child_tidptr=0x55555628f5d0) = 15 [pid 442] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 442] setpgid(0, 0) = 0 [pid 442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 442] write(3, "1000", 4) = 4 [pid 442] close(3) = 0 [pid 442] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 442] writev(3, [{iov_base="\x39\x00\x00\x00\x13\x00\x03\x47\x0f\xbb\x65\xe1\xc3\xe4\xff\xff\x06\x00\x60\x00\x01\x00\x00\x00\x56\x00\x00\x00\x25\x00\x00\x00\x19\x00\x04\x00\x04\x00\x00\x00\x07\xfd\x17\xe5\xff\x8e\x06\x06\x04\x00\x20\x00\x00\x00\x00\x00\x00", iov_len=57}], 1) = 57 [pid 442] socket(AF_NETLINK, SOCK_DGRAM, NETLINK_ROUTE) = 4 [pid 442] ioctl(4, _IOC(_IOC_NONE, 0x89, 0xf2, 0), 0) = -1 EFAULT (Bad address) [pid 442] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 442] ioctl(6, SIOCGIFINDEX, {ifr_name="lo", ifr_ifindex=1}) = 0 [pid 442] ioctl(4, _IOC(_IOC_NONE, 0x89, 0xf1, 0), 0x200000c0) = -1 EEXIST (File exists) [pid 442] socketpair(AF_UNIX, SOCK_STREAM, 0, NULL) = -1 EFAULT (Bad address) [pid 442] ioctl(-1, _IOC(_IOC_NONE, 0x89, 0xf1, 0), 0) = -1 EBADF (Bad file descriptor) [pid 442] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 7 [ 35.099730][ T440] IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready [ 35.106834][ T440] IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready [ 35.127512][ T441] IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready [ 35.134759][ T441] IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready [pid 442] sendmsg(7, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x5f\xba\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00\x08\x00\x1b\x00\x00\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 442] close(3) = 0 [pid 442] close(4) = 0 [pid 442] close(5) = 0 [pid 442] close(6) = 0 [pid 442] close(7) = 0 [pid 442] close(8) = -1 EBADF (Bad file descriptor) [pid 442] close(9) = -1 EBADF (Bad file descriptor) [pid 442] close(10) = -1 EBADF (Bad file descriptor) [pid 442] close(11) = -1 EBADF (Bad file descriptor) [pid 442] close(12) = -1 EBADF (Bad file descriptor) [pid 442] close(13) = -1 EBADF (Bad file descriptor) [pid 442] close(14) = -1 EBADF (Bad file descriptor) [pid 442] close(15) = -1 EBADF (Bad file descriptor) [pid 442] close(16) = -1 EBADF (Bad file descriptor) [pid 442] close(17) = -1 EBADF (Bad file descriptor) [pid 442] close(18) = -1 EBADF (Bad file descriptor) [pid 442] close(19) = -1 EBADF (Bad file descriptor) [pid 442] close(20) = -1 EBADF (Bad file descriptor) [pid 442] close(21) = -1 EBADF (Bad file descriptor) [pid 442] close(22) = -1 EBADF (Bad file descriptor) [pid 442] close(23) = -1 EBADF (Bad file descriptor) [pid 442] close(24) = -1 EBADF (Bad file descriptor) [pid 442] close(25) = -1 EBADF (Bad file descriptor) [pid 442] close(26) = -1 EBADF (Bad file descriptor) [pid 442] close(27) = -1 EBADF (Bad file descriptor) [pid 442] close(28) = -1 EBADF (Bad file descriptor) [pid 442] close(29) = -1 EBADF (Bad file descriptor) [pid 442] exit_group(0) = ? [pid 442] +++ exited with 0 +++ [pid 422] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=15, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 422] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 422] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 443 attached , child_tidptr=0x55555628f5d0) = 16 [pid 443] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 443] setpgid(0, 0) = 0 [pid 443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 443] write(3, "1000", 4) = 4 [pid 443] close(3) = 0 [pid 443] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 443] writev(3, [{iov_base="\x39\x00\x00\x00\x13\x00\x03\x47\x0f\xbb\x65\xe1\xc3\xe4\xff\xff\x06\x00\x60\x00\x01\x00\x00\x00\x56\x00\x00\x00\x25\x00\x00\x00\x19\x00\x04\x00\x04\x00\x00\x00\x07\xfd\x17\xe5\xff\x8e\x06\x06\x04\x00\x20\x00\x00\x00\x00\x00\x00", iov_len=57}], 1) = 57 [pid 443] socket(AF_NETLINK, SOCK_DGRAM, NETLINK_ROUTE) = 4 [pid 443] ioctl(4, _IOC(_IOC_NONE, 0x89, 0xf2, 0), 0) = -1 EFAULT (Bad address) [pid 443] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 443] ioctl(6, SIOCGIFINDEX, {ifr_name="lo", ifr_ifindex=1}) = 0 [pid 443] ioctl(4, _IOC(_IOC_NONE, 0x89, 0xf1, 0), 0x200000c0) = -1 EEXIST (File exists) [pid 443] socketpair(AF_UNIX, SOCK_STREAM, 0, NULL) = -1 EFAULT (Bad address) [pid 443] ioctl(-1, _IOC(_IOC_NONE, 0x89, 0xf1, 0), 0) = -1 EBADF (Bad file descriptor) [pid 443] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 7 [pid 443] sendmsg(7, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x5f\xba\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00\x08\x00\x1b\x00\x00\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 443] close(3) = 0 [pid 443] close(4) = 0 [pid 443] close(5) = 0 [pid 443] close(6) = 0 [pid 443] close(7) = 0 [pid 443] close(8) = -1 EBADF (Bad file descriptor) [pid 443] close(9) = -1 EBADF (Bad file descriptor) [pid 443] close(10) = -1 EBADF (Bad file descriptor) [pid 443] close(11) = -1 EBADF (Bad file descriptor) [pid 443] close(12) = -1 EBADF (Bad file descriptor) [pid 443] close(13) = -1 EBADF (Bad file descriptor) [pid 443] close(14) = -1 EBADF (Bad file descriptor) [pid 443] close(15) = -1 EBADF (Bad file descriptor) [pid 443] close(16) = -1 EBADF (Bad file descriptor) [pid 443] close(17) = -1 EBADF (Bad file descriptor) [pid 443] close(18) = -1 EBADF (Bad file descriptor) [pid 443] close(19) = -1 EBADF (Bad file descriptor) [pid 443] close(20) = -1 EBADF (Bad file descriptor) [pid 443] close(21) = -1 EBADF (Bad file descriptor) [pid 443] close(22) = -1 EBADF (Bad file descriptor) [pid 443] close(23) = -1 EBADF (Bad file descriptor) [pid 443] close(24) = -1 EBADF (Bad file descriptor) [pid 443] close(25) = -1 EBADF (Bad file descriptor) [pid 443] close(26) = -1 EBADF (Bad file descriptor) [pid 443] close(27) = -1 EBADF (Bad file descriptor) [pid 443] close(28) = -1 EBADF (Bad file descriptor) [pid 443] close(29) = -1 EBADF (Bad file descriptor) [pid 443] exit_group(0) = ? [pid 443] +++ exited with 0 +++ [pid 422] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=16, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 422] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 422] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555628f5d0) = 17 ./strace-static-x86_64: Process 444 attached [pid 444] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 444] setpgid(0, 0) = 0 [pid 444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 444] write(3, "1000", 4) = 4 [pid 444] close(3) = 0 [pid 444] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 444] writev(3, [{iov_base="\x39\x00\x00\x00\x13\x00\x03\x47\x0f\xbb\x65\xe1\xc3\xe4\xff\xff\x06\x00\x60\x00\x01\x00\x00\x00\x56\x00\x00\x00\x25\x00\x00\x00\x19\x00\x04\x00\x04\x00\x00\x00\x07\xfd\x17\xe5\xff\x8e\x06\x06\x04\x00\x20\x00\x00\x00\x00\x00\x00", iov_len=57}], 1) = 57 [pid 444] socket(AF_NETLINK, SOCK_DGRAM, NETLINK_ROUTE) = 4 [pid 444] ioctl(4, _IOC(_IOC_NONE, 0x89, 0xf2, 0), 0) = -1 EFAULT (Bad address) [pid 444] socketpair(AF_UNIX, SOCK_STREAM, 0, [5, 6]) = 0 [pid 444] ioctl(6, SIOCGIFINDEX, {ifr_name="lo", ifr_ifindex=1}) = 0 [pid 444] ioctl(4, _IOC(_IOC_NONE, 0x89, 0xf1, 0), 0x200000c0) = -1 EEXIST (File exists) [pid 444] socketpair(AF_UNIX, SOCK_STREAM, 0, NULL) = -1 EFAULT (Bad address) [pid 444] ioctl(-1, _IOC(_IOC_NONE, 0x89, 0xf1, 0), 0) = -1 EBADF (Bad file descriptor) [pid 444] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 7 [ 35.154976][ T442] IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready [ 35.162230][ T442] IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready [ 35.180457][ T443] IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready [ 35.187567][ T443] IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready [pid 444] sendmsg(7, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x28\x00\x00\x00\x10\x00\x5f\xba\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00\x08\x00\x1b\x00\x00\x00\x00\x00", iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0) = 40 [pid 444] close(3) = 0 [pid 444] close(4) = 0 [pid 444] close(5) = 0 [pid 444] close(6) = 0 [pid 444] close(7) = 0 [pid 444] close(8) = -1 EBADF (Bad file descriptor) [pid 444] close(9) = -1 EBADF (Bad file descriptor) [pid 444] close(10) = -1 EBADF (Bad file descriptor) [pid 444] close(11) = -1 EBADF (Bad file descriptor) [pid 444] close(12) = -1 EBADF (Bad file descriptor) [pid 444] close(13) = -1 EBADF (Bad file descriptor) [pid 444] close(14) = -1 EBADF (Bad file descriptor) [pid 444] close(15) = -1 EBADF (Bad file descriptor) [pid 444] close(16) = -1 EBADF (Bad file descriptor) [pid 444] close(17) = -1 EBADF (Bad file descriptor) [pid 444] close(18) = -1 EBADF (Bad file descriptor) [pid 444] close(19) = -1 EBADF (Bad file descriptor) [pid 444] close(20) = -1 EBADF (Bad file descriptor) [pid 444] close(21) = -1 EBADF (Bad file descriptor) [pid 444] close(22) = -1 EBADF (Bad file descriptor) [pid 444] close(23) = -1 EBADF (Bad file descriptor) [pid 444] close(24) = -1 EBADF (Bad file descriptor) [pid 444] close(25) = -1 EBADF (Bad file descriptor) [pid 444] close(26) = -1 EBADF (Bad file descriptor) [pid 444] close(27) = -1 EBADF (Bad file descriptor) [pid 444] close(28) = -1 EBADF (Bad file descriptor) [pid 444] close(29) = -1 EBADF (Bad file descriptor) [pid 444] exit_group(0) = ? [pid 444] +++ exited with 0 +++ [pid 422] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 422] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 422] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 445 attached , child_tidptr=0x55555628f5d0) = 18 [pid 445] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 445] setpgid(0, 0) = 0 [pid 445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 445] write(3, "1000", 4) = 4 [pid 445] close(3) = 0 [pid 445] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [ 35.206325][ T444] IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready [ 35.213539][ T444] IPv6: ADDRCONF(NETDEV_CHANGE): lo: link becomes ready [ 35.223235][ T423] skbuff: skb_over_panic: text:ffffffff845d9324 len:76 put:20 head:ffff88810e53e400 data:ffff88810e53e440 tail:0x8c end:0x80 dev:syztnl1 [ 35.237393][ T423] ------------[ cut here ]------------ [ 35.242779][ T423] kernel BUG at net/core/skbuff.c:113! [ 35.248290][ T423] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 35.254154][ T423] CPU: 0 PID: 423 Comm: kworker/0:2 Not tainted 5.15.74-syzkaller-00001-g4ec71a9ec769 #0 [ 35.263789][ T423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 35.273691][ T423] Workqueue: ipv6_addrconf addrconf_dad_work [ 35.279497][ T423] RIP: 0010:skb_panic+0x14c/0x150 [ 35.284356][ T423] Code: c7 a0 70 be 85 48 8b 75 c0 48 8b 55 b8 8b 4d d4 44 8b 45 d0 4c 8b 4d c8 31 c0 53 41 56 41 55 41 54 e8 03 fe dc 00 48 83 c4 20 <0f> 0b 66 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 ec 78 4c [ 35.303800][ T423] RSP: 0018:ffffc9000033f8c8 EFLAGS: 00010282 [ 35.309704][ T423] RAX: 0000000000000086 RBX: ffff88810b756000 RCX: bea430fce5d36e00 [ 35.317513][ T423] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 35.325322][ T423] RBP: ffffc9000033f910 R08: ffffffff815838e9 R09: ffffed103ee065e8 [ 35.333135][ T423] R10: ffffed103ee065e8 R11: 1ffff1103ee065e7 R12: ffff88810e53e440 [ 35.340944][ T423] R13: 000000000000008c R14: 0000000000000080 R15: dffffc0000000000 [ 35.348756][ T423] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 35.357523][ T423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.363946][ T423] CR2: 0000000000000000 CR3: 000000010d1b0000 CR4: 00000000003506b0 [ 35.371757][ T423] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.379568][ T423] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.387382][ T423] Call Trace: [ 35.390505][ T423] [ 35.393284][ T423] ? add_grec+0xf74/0x13d0 [ 35.397535][ T423] ? add_grec+0xf74/0x13d0 [ 35.401785][ T423] skb_put+0x153/0x210 [ 35.405692][ T423] add_grec+0xf74/0x13d0 [ 35.409775][ T423] ? __kasan_check_write+0x14/0x20 [ 35.414718][ T423] ? wait_for_completion_killable_timeout+0x10/0x10 [ 35.421141][ T423] ipv6_mc_dad_complete+0x246/0x5f0 [ 35.426176][ T423] addrconf_dad_completed+0x733/0xe20 [ 35.431384][ T423] ? addrconf_dad_stop+0x430/0x430 [ 35.436329][ T423] addrconf_dad_work+0xd8f/0x1680 [ 35.441192][ T423] ? refcount_inc+0x80/0x80 [ 35.445529][ T423] ? _raw_spin_lock_irq+0xa4/0x1b0 [ 35.450479][ T423] ? __kasan_check_read+0x11/0x20 [ 35.455336][ T423] ? strscpy+0xa8/0x270 [ 35.459329][ T423] process_one_work+0x6db/0xc00 [ 35.464016][ T423] worker_thread+0xb3e/0x1340 [ 35.468531][ T423] ? schedule+0x142/0x1f0 [ 35.472695][ T423] kthread+0x41c/0x500 [ 35.476603][ T423] ? worker_clr_flags+0x180/0x180 [ 35.481461][ T423] ? kthread_blkcg+0xd0/0xd0 [ 35.485887][ T423] ret_from_fork+0x1f/0x30 [ 35.490141][ T423] [ 35.493003][ T423] Modules linked in: [ 35.497817][ T423] ---[ end trace 7e3eaf38d94d6fae ]--- [ 35.503163][ T423] RIP: 0010:skb_panic+0x14c/0x150 [ 35.508003][ T423] Code: c7 a0 70 be 85 48 8b 75 c0 48 8b 55 b8 8b 4d d4 44 8b 45 d0 4c 8b 4d c8 31 c0 53 41 56 41 55 41 54 e8 03 fe dc 00 48 83 c4 20 <0f> 0b 66 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 ec 78 4c [ 35.527440][ T423] RSP: 0018:ffffc9000033f8c8 EFLAGS: 00010282 [ 35.533348][ T423] RAX: 0000000000000086 RBX: ffff88810b756000 RCX: bea430fce5d36e00 [ 35.541128][ T423] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 35.548969][ T423] RBP: ffffc9000033f910 R08: ffffffff815838e9 R09: ffffed103ee065e8 [ 35.556734][ T423] R10: ffffed103ee065e8 R11: 1ffff1103ee065e7 R12: ffff88810e53e440 [ 35.564569][ T423] R13: 000000000000008c R14: 0000000000000080 R15: dffffc0000000000 [ 35.572378][ T423] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 35.581163][ T423] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 35.587547][ T423] CR2: 0000000000000000 CR3: 000000000680f000 CR4: 00000000003506b0 [ 35.595392][ T423] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 35.603199][ T423] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 35.611032][ T423] Kernel panic - not syncing: Fatal exception [ 35.617035][ T423] Kernel Offset: disabled [ 35.621158][ T423] Rebooting in 86400 seconds..