./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor470086916 <...> forked to background, child pid 4653 no interfaces have a carrier [ 21.342306][ T4654] 8021q: adding VLAN 0 to HW filter on device bond0 [ 21.350800][ T4654] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.54' (ECDSA) to the list of known hosts. execve("./syz-executor470086916", ["./syz-executor470086916"], 0x7ffc48516ea0 /* 10 vars */) = 0 brk(NULL) = 0x55555691f000 brk(0x55555691fc40) = 0x55555691fc40 arch_prctl(ARCH_SET_FS, 0x55555691f300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 set_tid_address(0x55555691f5d0) = 5074 set_robust_list(0x55555691f5e0, 24) = 0 rt_sigaction(SIGRTMIN, {sa_handler=0x7ff4d3fed460, sa_mask=[], sa_flags=SA_RESTORER|SA_SIGINFO, sa_restorer=0x7ff4d3fedb30}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7ff4d3fed500, sa_mask=[], sa_flags=SA_RESTORER|SA_RESTART|SA_SIGINFO, sa_restorer=0x7ff4d3fedb30}, NULL, 8) = 0 rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor470086916", 4096) = 27 brk(0x555556940c40) = 0x555556940c40 brk(0x555556941000) = 0x555556941000 mprotect(0x7ff4d40be000, 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./strace-static-x86_64: Process 5075 attached , child_tidptr=0x55555691f5d0) = 5075 [pid 5075] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5075] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy) [pid 5075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5075] setsid() = 1 [pid 5075] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 5075] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 5075] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 5075] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 5075] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 5075] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 5075] unshare(CLONE_NEWNS) = 0 [pid 5075] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5075] unshare(CLONE_NEWIPC) = 0 [pid 5075] unshare(CLONE_NEWCGROUP) = 0 [pid 5075] unshare(CLONE_NEWUTS) = 0 [pid 5075] unshare(CLONE_SYSVSEM) = 0 [pid 5075] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5075] write(3, "16777216", 8) = 8 [pid 5075] close(3) = 0 [pid 5075] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5075] write(3, "536870912", 9) = 9 [pid 5075] close(3) = 0 [pid 5075] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5075] write(3, "1024", 4) = 4 [pid 5075] close(3) = 0 [pid 5075] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3 [pid 5075] write(3, "8192", 4) = 4 [pid 5075] close(3) = 0 [pid 5075] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3 [pid 5075] write(3, "1024", 4) = 4 [pid 5075] close(3) = 0 [pid 5075] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3 [pid 5075] write(3, "1024", 4) = 4 [pid 5075] close(3) = 0 [pid 5075] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3 [pid 5075] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5075] close(3) = 0 [pid 5075] getpid() = 1 [pid 5075] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5079] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5079] memfd_create("syzkaller", 0) = 3 [pid 5079] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 syzkaller login: [ 38.810092][ T5079] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5079 'syz-executor470' [pid 5079] 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"..., 67108864) = 67108864 [pid 5079] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5079] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5079] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5079] close(3) = 0 [pid 5079] mkdir("./file0", 0777) = 0 [pid 5079] mount("/dev/loop0", "./file0", "f2fs", MS_SYNCHRONOUS, "nodiscard,noinline_dentry,nouser_xattr,fastboot,noacl,inline_data,mode=lfs,") = 0 [pid 5079] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5079] chdir("./file0") = 0 [pid 5079] ioctl(4, LOOP_CLR_FD) = 0 [pid 5079] close(4) = 0 [pid 5079] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... futex resumed>) = 0 [pid 5078] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5078] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5079] <... futex resumed>) = 1 [ 39.155946][ T5079] loop0: detected capacity change from 0 to 131072 [ 39.167713][ T5079] F2FS-fs (loop0): invalid crc value [ 39.175540][ T5079] F2FS-fs (loop0): Found nat_bits in checkpoint [ 39.197154][ T5079] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e4 [pid 5079] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5078] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5078] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5078] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5079] <... mmap resumed>) = 0x20000000 [pid 5079] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5078] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5079] <... futex resumed>) = 0 [pid 5079] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5078] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5078] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5083 attached [pid 5083] set_robust_list(0x7ff4cfbbb9e0, 24 [pid 5078] <... clone resumed>, parent_tid=[4], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 4 [pid 5083] <... set_robust_list resumed>) = 0 [pid 5083] futex(0x7ff4d40c46d8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5078] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5078] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5083] <... futex resumed>) = 0 [pid 5083] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5084 attached [pid 5084] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5078] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5078] close(3) = 0 [pid 5078] close(4) = -1 EBADF (Bad file descriptor) [pid 5078] close(5) = -1 EBADF (Bad file descriptor) [pid 5078] close(6) = -1 EBADF (Bad file descriptor) [pid 5078] close(7) = -1 EBADF (Bad file descriptor) [pid 5078] close(8) = -1 EBADF (Bad file descriptor) [pid 5078] close(9) = -1 EBADF (Bad file descriptor) [pid 5078] close(10) = -1 EBADF (Bad file descriptor) [pid 5078] close(11) = -1 EBADF (Bad file descriptor) [pid 5078] close(12) = -1 EBADF (Bad file descriptor) [pid 5078] close(13) = -1 EBADF (Bad file descriptor) [pid 5078] close(14) = -1 EBADF (Bad file descriptor) [pid 5078] close(15) = -1 EBADF (Bad file descriptor) [pid 5078] close(16) = -1 EBADF (Bad file descriptor) [pid 5078] close(17) = -1 EBADF (Bad file descriptor) [pid 5078] close(18) = -1 EBADF (Bad file descriptor) [pid 5078] close(19) = -1 EBADF (Bad file descriptor) [pid 5078] close(20) = -1 EBADF (Bad file descriptor) [pid 5078] close(21) = -1 EBADF (Bad file descriptor) [pid 5078] close(22) = -1 EBADF (Bad file descriptor) [pid 5078] close(23) = -1 EBADF (Bad file descriptor) [pid 5078] close(24) = -1 EBADF (Bad file descriptor) [pid 5078] close(25) = -1 EBADF (Bad file descriptor) [pid 5078] close(26) = -1 EBADF (Bad file descriptor) [pid 5078] close(27) = -1 EBADF (Bad file descriptor) [pid 5078] close(28) = -1 EBADF (Bad file descriptor) [pid 5078] close(29) = -1 EBADF (Bad file descriptor) [pid 5078] exit_group(0 [pid 5083] <... clone resumed>) = ? [pid 5079] <... futex resumed>) = ? [pid 5078] <... exit_group resumed>) = ? [pid 5083] +++ exited with 0 +++ [pid 5079] +++ exited with 0 +++ [pid 5078] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=42 /* 0.42 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 6 ./strace-static-x86_64: Process 5085 attached [pid 5085] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5085] setpgid(0, 0) = 0 [pid 5085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5085] write(3, "1000", 4) = 4 [pid 5085] close(3) = 0 [pid 5085] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5085] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5085] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[7], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 7 [pid 5085] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5085] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5086 attached [pid 5086] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5086] memfd_create("syzkaller", 0) = 3 [pid 5086] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5086] 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"..., 67108864) = 67108864 [pid 5086] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5086] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5086] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5086] ioctl(4, LOOP_CLR_FD) = 0 [pid 5086] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5086] close(4) = 0 [pid 5086] close(3) = 0 [pid 5086] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] <... futex resumed>) = 0 [pid 5085] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5085] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5086] <... futex resumed>) = 1 [pid 5086] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5085] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5085] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5086] <... mmap resumed>) = 0x20000000 [pid 5085] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5085] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5086] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5085] <... mprotect resumed>) = 0 [pid 5086] <... futex resumed>) = 0 [pid 5085] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5086] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5087 attached [pid 5085] <... clone resumed>, parent_tid=[8], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 8 [pid 5085] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5087] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5085] <... futex resumed>) = 0 [pid 5087] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5085] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5088 attached [pid 5088] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5085] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5085] close(3) = -1 EBADF (Bad file descriptor) [pid 5085] close(4) = -1 EBADF (Bad file descriptor) [pid 5085] close(5) = -1 EBADF (Bad file descriptor) [pid 5085] close(6) = -1 EBADF (Bad file descriptor) [pid 5085] close(7) = -1 EBADF (Bad file descriptor) [pid 5085] close(8) = -1 EBADF (Bad file descriptor) [pid 5085] close(9) = -1 EBADF (Bad file descriptor) [pid 5085] close(10) = -1 EBADF (Bad file descriptor) [pid 5085] close(11) = -1 EBADF (Bad file descriptor) [pid 5085] close(12) = -1 EBADF (Bad file descriptor) [pid 5085] close(13) = -1 EBADF (Bad file descriptor) [pid 5085] close(14) = -1 EBADF (Bad file descriptor) [pid 5085] close(15) = -1 EBADF (Bad file descriptor) [pid 5085] close(16) = -1 EBADF (Bad file descriptor) [pid 5085] close(17) = -1 EBADF (Bad file descriptor) [pid 5085] close(18) = -1 EBADF (Bad file descriptor) [pid 5085] close(19) = -1 EBADF (Bad file descriptor) [pid 5085] close(20) = -1 EBADF (Bad file descriptor) [pid 5085] close(21) = -1 EBADF (Bad file descriptor) [pid 5085] close(22) = -1 EBADF (Bad file descriptor) [pid 5085] close(23) = -1 EBADF (Bad file descriptor) [pid 5085] close(24) = -1 EBADF (Bad file descriptor) [pid 5085] close(25) = -1 EBADF (Bad file descriptor) [pid 5085] close(26) = -1 EBADF (Bad file descriptor) [pid 5085] close(27) = -1 EBADF (Bad file descriptor) [pid 5085] close(28) = -1 EBADF (Bad file descriptor) [pid 5085] close(29) = -1 EBADF (Bad file descriptor) [pid 5085] exit_group(0 [pid 5087] <... clone resumed>) = ? [pid 5086] <... futex resumed>) = ? [pid 5085] <... exit_group resumed>) = ? [pid 5087] +++ exited with 0 +++ [pid 5086] +++ exited with 0 +++ [pid 5085] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6, si_uid=0, si_status=0, si_utime=22 /* 0.22 s */, si_stime=71 /* 0.71 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 10 ./strace-static-x86_64: Process 5089 attached [pid 5089] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5089] setpgid(0, 0) = 0 [pid 5089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5089] write(3, "1000", 4) = 4 [pid 5089] close(3) = 0 [pid 5089] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5089] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5089] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5089] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[11], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 11 [pid 5089] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5089] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5090 attached [pid 5090] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5090] memfd_create("syzkaller", 0) = 3 [pid 5090] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5088] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=9, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5090] 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"..., 67108864) = 67108864 [pid 5090] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5090] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5090] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5090] ioctl(4, LOOP_CLR_FD) = 0 [pid 5090] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5090] close(4) = 0 [pid 5090] close(3) = 0 [pid 5090] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5090] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5089] <... futex resumed>) = 0 [pid 5090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5089] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5089] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5090] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5089] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5089] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5089] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5089] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5089] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5089] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5089] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[12], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 12 [pid 5089] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5089] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5090] <... mmap resumed>) = 0x20000000 [pid 5090] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5090] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5091 attached [pid 5091] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5091] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5092 attached [pid 5092] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5089] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5089] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5089] close(3) = -1 EBADF (Bad file descriptor) [pid 5089] close(4) = -1 EBADF (Bad file descriptor) [pid 5089] close(5) = -1 EBADF (Bad file descriptor) [pid 5089] close(6) = -1 EBADF (Bad file descriptor) [pid 5089] close(7) = -1 EBADF (Bad file descriptor) [pid 5089] close(8) = -1 EBADF (Bad file descriptor) [pid 5089] close(9) = -1 EBADF (Bad file descriptor) [pid 5089] close(10) = -1 EBADF (Bad file descriptor) [pid 5089] close(11) = -1 EBADF (Bad file descriptor) [pid 5089] close(12) = -1 EBADF (Bad file descriptor) [pid 5089] close(13) = -1 EBADF (Bad file descriptor) [pid 5089] close(14) = -1 EBADF (Bad file descriptor) [pid 5089] close(15) = -1 EBADF (Bad file descriptor) [pid 5089] close(16) = -1 EBADF (Bad file descriptor) [pid 5089] close(17) = -1 EBADF (Bad file descriptor) [pid 5089] close(18) = -1 EBADF (Bad file descriptor) [pid 5089] close(19) = -1 EBADF (Bad file descriptor) [pid 5089] close(20) = -1 EBADF (Bad file descriptor) [pid 5089] close(21) = -1 EBADF (Bad file descriptor) [pid 5089] close(22) = -1 EBADF (Bad file descriptor) [pid 5089] close(23) = -1 EBADF (Bad file descriptor) [pid 5089] close(24) = -1 EBADF (Bad file descriptor) [pid 5089] close(25) = -1 EBADF (Bad file descriptor) [pid 5089] close(26) = -1 EBADF (Bad file descriptor) [pid 5089] close(27) = -1 EBADF (Bad file descriptor) [pid 5089] close(28) = -1 EBADF (Bad file descriptor) [pid 5089] close(29) = -1 EBADF (Bad file descriptor) [pid 5089] exit_group(0 [pid 5091] <... clone resumed>) = ? [pid 5090] <... futex resumed>) = ? [pid 5089] <... exit_group resumed>) = ? [pid 5091] +++ exited with 0 +++ [pid 5090] +++ exited with 0 +++ [pid 5089] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=10, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=75 /* 0.75 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 14 ./strace-static-x86_64: Process 5093 attached [pid 5093] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5093] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5093] setpgid(0, 0) = 0 [pid 5093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5093] write(3, "1000", 4) = 4 [pid 5093] close(3) = 0 [pid 5093] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5093] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5093] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5093] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[15], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 15 [pid 5093] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5093] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5094 attached [pid 5094] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5094] memfd_create("syzkaller", 0) = 3 [pid 5094] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5092] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=13, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5094] 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"..., 67108864) = 67108864 [pid 5094] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5094] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5094] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5094] ioctl(4, LOOP_CLR_FD) = 0 [pid 5094] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5094] close(4) = 0 [pid 5094] close(3) = 0 [pid 5094] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5093] <... futex resumed>) = 0 [pid 5093] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5093] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5094] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5093] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5093] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5093] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5094] <... mmap resumed>) = 0x20000000 [pid 5093] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5093] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5094] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5093] <... mprotect resumed>) = 0 [pid 5093] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5094] <... futex resumed>) = 0 [pid 5093] <... clone resumed>, parent_tid=[16], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 16 [pid 5093] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5093] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5094] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5095 attached [pid 5095] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5095] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5096 attached [pid 5096] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5093] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5093] close(3) = -1 EBADF (Bad file descriptor) [pid 5093] close(4) = -1 EBADF (Bad file descriptor) [pid 5093] close(5) = -1 EBADF (Bad file descriptor) [pid 5093] close(6) = -1 EBADF (Bad file descriptor) [pid 5093] close(7) = -1 EBADF (Bad file descriptor) [pid 5093] close(8) = -1 EBADF (Bad file descriptor) [pid 5093] close(9) = -1 EBADF (Bad file descriptor) [pid 5093] close(10) = -1 EBADF (Bad file descriptor) [pid 5093] close(11) = -1 EBADF (Bad file descriptor) [pid 5093] close(12) = -1 EBADF (Bad file descriptor) [pid 5093] close(13) = -1 EBADF (Bad file descriptor) [pid 5093] close(14) = -1 EBADF (Bad file descriptor) [pid 5093] close(15) = -1 EBADF (Bad file descriptor) [pid 5093] close(16) = -1 EBADF (Bad file descriptor) [pid 5093] close(17) = -1 EBADF (Bad file descriptor) [pid 5093] close(18) = -1 EBADF (Bad file descriptor) [pid 5093] close(19) = -1 EBADF (Bad file descriptor) [pid 5093] close(20) = -1 EBADF (Bad file descriptor) [pid 5093] close(21) = -1 EBADF (Bad file descriptor) [pid 5093] close(22) = -1 EBADF (Bad file descriptor) [pid 5093] close(23) = -1 EBADF (Bad file descriptor) [pid 5093] close(24) = -1 EBADF (Bad file descriptor) [pid 5093] close(25) = -1 EBADF (Bad file descriptor) [pid 5093] close(26) = -1 EBADF (Bad file descriptor) [pid 5093] close(27) = -1 EBADF (Bad file descriptor) [pid 5093] close(28) = -1 EBADF (Bad file descriptor) [pid 5093] close(29) = -1 EBADF (Bad file descriptor) [pid 5093] exit_group(0 [pid 5095] <... clone resumed>) = ? [pid 5094] <... futex resumed>) = ? [pid 5093] <... exit_group resumed>) = ? [pid 5095] +++ exited with 0 +++ [pid 5094] +++ exited with 0 +++ [pid 5093] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=18 /* 0.18 s */, si_stime=68 /* 0.68 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 18 ./strace-static-x86_64: Process 5097 attached [pid 5097] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5097] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5097] setpgid(0, 0) = 0 [pid 5097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5097] write(3, "1000", 4) = 4 [pid 5097] close(3) = 0 [pid 5097] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5097] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5097] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5097] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[19], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 19 [pid 5097] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5097] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5098 attached [pid 5098] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5098] memfd_create("syzkaller", 0) = 3 [pid 5098] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5096] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=17, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=31 /* 0.31 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5098] 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"..., 67108864) = 67108864 [pid 5098] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5098] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5098] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5098] ioctl(4, LOOP_CLR_FD) = 0 [pid 5098] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5098] close(4) = 0 [pid 5098] close(3) = 0 [pid 5098] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5097] <... futex resumed>) = 0 [pid 5097] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5097] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5098] <... futex resumed>) = 1 [pid 5098] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5097] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5097] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5097] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5097] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5098] <... mmap resumed>) = 0x20000000 [pid 5097] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5097] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5097] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5098] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5097] <... clone resumed>, parent_tid=[20], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 20 [pid 5097] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5097] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5098] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5099 attached [pid 5099] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5099] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5100 attached [pid 5100] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5097] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5097] close(3) = -1 EBADF (Bad file descriptor) [pid 5097] close(4) = -1 EBADF (Bad file descriptor) [pid 5097] close(5) = -1 EBADF (Bad file descriptor) [pid 5097] close(6) = -1 EBADF (Bad file descriptor) [pid 5097] close(7) = -1 EBADF (Bad file descriptor) [pid 5097] close(8) = -1 EBADF (Bad file descriptor) [pid 5097] close(9) = -1 EBADF (Bad file descriptor) [pid 5097] close(10) = -1 EBADF (Bad file descriptor) [pid 5097] close(11) = -1 EBADF (Bad file descriptor) [pid 5097] close(12) = -1 EBADF (Bad file descriptor) [pid 5097] close(13) = -1 EBADF (Bad file descriptor) [pid 5097] close(14) = -1 EBADF (Bad file descriptor) [pid 5097] close(15) = -1 EBADF (Bad file descriptor) [pid 5097] close(16) = -1 EBADF (Bad file descriptor) [pid 5097] close(17) = -1 EBADF (Bad file descriptor) [pid 5097] close(18) = -1 EBADF (Bad file descriptor) [pid 5097] close(19) = -1 EBADF (Bad file descriptor) [pid 5097] close(20) = -1 EBADF (Bad file descriptor) [pid 5097] close(21) = -1 EBADF (Bad file descriptor) [pid 5097] close(22) = -1 EBADF (Bad file descriptor) [pid 5097] close(23) = -1 EBADF (Bad file descriptor) [pid 5097] close(24) = -1 EBADF (Bad file descriptor) [pid 5097] close(25) = -1 EBADF (Bad file descriptor) [pid 5097] close(26) = -1 EBADF (Bad file descriptor) [pid 5097] close(27) = -1 EBADF (Bad file descriptor) [pid 5097] close(28) = -1 EBADF (Bad file descriptor) [pid 5097] close(29) = -1 EBADF (Bad file descriptor) [pid 5097] exit_group(0 [pid 5099] <... clone resumed>) = ? [pid 5098] <... futex resumed>) = ? [pid 5097] <... exit_group resumed>) = ? [pid 5099] +++ exited with 0 +++ [pid 5098] +++ exited with 0 +++ [pid 5097] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=18, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=70 /* 0.70 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 22 ./strace-static-x86_64: Process 5101 attached [pid 5101] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5101] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5101] setpgid(0, 0) = 0 [pid 5101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5101] write(3, "1000", 4) = 4 [pid 5101] close(3) = 0 [pid 5101] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5101] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5101] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5101] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[23], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 23 [pid 5101] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5101] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5102 attached [pid 5102] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5102] memfd_create("syzkaller", 0) = 3 [pid 5102] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5100] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=21, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5102] 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"..., 67108864) = 67108864 [pid 5102] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5102] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5102] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5102] ioctl(4, LOOP_CLR_FD) = 0 [pid 5102] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5102] close(4) = 0 [pid 5102] close(3) = 0 [pid 5102] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5101] <... futex resumed>) = 0 [pid 5101] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5101] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5102] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5101] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5101] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5101] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5101] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5102] <... mmap resumed>) = 0x20000000 [pid 5101] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5101] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5102] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5101] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5102] <... futex resumed>) = 0 [pid 5101] <... clone resumed>, parent_tid=[24], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 24 [pid 5101] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5101] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5102] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5103 attached [pid 5103] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5103] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5104 attached [pid 5104] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5101] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5101] close(3) = -1 EBADF (Bad file descriptor) [pid 5101] close(4) = -1 EBADF (Bad file descriptor) [pid 5101] close(5) = -1 EBADF (Bad file descriptor) [pid 5101] close(6) = -1 EBADF (Bad file descriptor) [pid 5101] close(7) = -1 EBADF (Bad file descriptor) [pid 5101] close(8) = -1 EBADF (Bad file descriptor) [pid 5101] close(9) = -1 EBADF (Bad file descriptor) [pid 5101] close(10) = -1 EBADF (Bad file descriptor) [pid 5101] close(11) = -1 EBADF (Bad file descriptor) [pid 5101] close(12) = -1 EBADF (Bad file descriptor) [pid 5101] close(13) = -1 EBADF (Bad file descriptor) [pid 5101] close(14) = -1 EBADF (Bad file descriptor) [pid 5101] close(15) = -1 EBADF (Bad file descriptor) [pid 5101] close(16) = -1 EBADF (Bad file descriptor) [pid 5101] close(17) = -1 EBADF (Bad file descriptor) [pid 5101] close(18) = -1 EBADF (Bad file descriptor) [pid 5101] close(19) = -1 EBADF (Bad file descriptor) [pid 5101] close(20) = -1 EBADF (Bad file descriptor) [pid 5101] close(21) = -1 EBADF (Bad file descriptor) [pid 5101] close(22) = -1 EBADF (Bad file descriptor) [pid 5101] close(23) = -1 EBADF (Bad file descriptor) [pid 5101] close(24) = -1 EBADF (Bad file descriptor) [pid 5101] close(25) = -1 EBADF (Bad file descriptor) [pid 5101] close(26) = -1 EBADF (Bad file descriptor) [pid 5101] close(27) = -1 EBADF (Bad file descriptor) [pid 5101] close(28) = -1 EBADF (Bad file descriptor) [pid 5101] close(29) = -1 EBADF (Bad file descriptor) [pid 5101] exit_group(0 [pid 5103] <... clone resumed>) = ? [pid 5102] <... futex resumed>) = ? [pid 5101] <... exit_group resumed>) = ? [pid 5103] +++ exited with 0 +++ [pid 5102] +++ exited with 0 +++ [pid 5101] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=22, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=66 /* 0.66 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 26 ./strace-static-x86_64: Process 5105 attached [pid 5105] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5105] setpgid(0, 0) = 0 [pid 5105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5105] write(3, "1000", 4) = 4 [pid 5105] close(3) = 0 [pid 5105] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5105] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5105] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5105] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[27], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 27 [pid 5105] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5105] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5106 attached [pid 5106] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5106] memfd_create("syzkaller", 0) = 3 [pid 5106] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5106] 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"..., 67108864 [pid 5104] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=25, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5106] <... write resumed>) = 67108864 [pid 5106] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5106] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5106] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5106] ioctl(4, LOOP_CLR_FD) = 0 [pid 5106] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5106] close(4) = 0 [pid 5106] close(3) = 0 [pid 5106] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5105] <... futex resumed>) = 0 [pid 5105] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5105] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5106] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5105] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5105] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5105] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5105] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5105] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5106] <... mmap resumed>) = 0x20000000 [pid 5105] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5105] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5106] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5105] <... mprotect resumed>) = 0 [pid 5105] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5106] <... futex resumed>) = 0 [pid 5106] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5105] <... clone resumed>, parent_tid=[28], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 28 [pid 5105] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5105] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5107 attached [pid 5107] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5107] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5108 attached [pid 5108] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5105] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5105] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5105] close(3) = -1 EBADF (Bad file descriptor) [pid 5105] close(4) = -1 EBADF (Bad file descriptor) [pid 5105] close(5) = -1 EBADF (Bad file descriptor) [pid 5105] close(6) = -1 EBADF (Bad file descriptor) [pid 5105] close(7) = -1 EBADF (Bad file descriptor) [pid 5105] close(8) = -1 EBADF (Bad file descriptor) [pid 5105] close(9) = -1 EBADF (Bad file descriptor) [pid 5105] close(10) = -1 EBADF (Bad file descriptor) [pid 5105] close(11) = -1 EBADF (Bad file descriptor) [pid 5105] close(12) = -1 EBADF (Bad file descriptor) [pid 5105] close(13) = -1 EBADF (Bad file descriptor) [pid 5105] close(14) = -1 EBADF (Bad file descriptor) [pid 5105] close(15) = -1 EBADF (Bad file descriptor) [pid 5105] close(16) = -1 EBADF (Bad file descriptor) [pid 5105] close(17) = -1 EBADF (Bad file descriptor) [pid 5105] close(18) = -1 EBADF (Bad file descriptor) [pid 5105] close(19) = -1 EBADF (Bad file descriptor) [pid 5105] close(20) = -1 EBADF (Bad file descriptor) [pid 5105] close(21) = -1 EBADF (Bad file descriptor) [pid 5105] close(22) = -1 EBADF (Bad file descriptor) [pid 5105] close(23) = -1 EBADF (Bad file descriptor) [pid 5105] close(24) = -1 EBADF (Bad file descriptor) [pid 5105] close(25) = -1 EBADF (Bad file descriptor) [pid 5105] close(26) = -1 EBADF (Bad file descriptor) [pid 5105] close(27) = -1 EBADF (Bad file descriptor) [pid 5105] close(28) = -1 EBADF (Bad file descriptor) [pid 5105] close(29) = -1 EBADF (Bad file descriptor) [pid 5105] exit_group(0 [pid 5107] <... clone resumed>) = ? [pid 5106] <... futex resumed>) = ? [pid 5105] <... exit_group resumed>) = ? [pid 5107] +++ exited with 0 +++ [pid 5106] +++ exited with 0 +++ [pid 5105] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=66 /* 0.66 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 30 ./strace-static-x86_64: Process 5109 attached [pid 5109] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5109] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5109] setpgid(0, 0) = 0 [pid 5109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5109] write(3, "1000", 4) = 4 [pid 5109] close(3) = 0 [pid 5109] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5109] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5109] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5109] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[31], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 31 [pid 5109] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5109] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5110 attached [pid 5110] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5110] memfd_create("syzkaller", 0) = 3 [pid 5110] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5108] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=29, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5110] 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"..., 67108864) = 67108864 [pid 5110] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5110] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5110] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5110] ioctl(4, LOOP_CLR_FD) = 0 [pid 5110] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5110] close(4) = 0 [pid 5110] close(3) = 0 [pid 5110] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5109] <... futex resumed>) = 0 [pid 5110] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5109] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5110] <... futex resumed>) = 0 [pid 5109] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5110] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5109] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5109] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5109] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5110] <... mmap resumed>) = 0x20000000 [pid 5110] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5109] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5110] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5109] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5109] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[32], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 32 [pid 5109] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5109] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5111 attached [pid 5111] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5111] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5112 attached [pid 5112] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5109] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5109] close(3) = -1 EBADF (Bad file descriptor) [pid 5109] close(4) = -1 EBADF (Bad file descriptor) [pid 5109] close(5) = -1 EBADF (Bad file descriptor) [pid 5109] close(6) = -1 EBADF (Bad file descriptor) [pid 5109] close(7) = -1 EBADF (Bad file descriptor) [pid 5109] close(8) = -1 EBADF (Bad file descriptor) [pid 5109] close(9) = -1 EBADF (Bad file descriptor) [pid 5109] close(10) = -1 EBADF (Bad file descriptor) [pid 5109] close(11) = -1 EBADF (Bad file descriptor) [pid 5109] close(12) = -1 EBADF (Bad file descriptor) [pid 5109] close(13) = -1 EBADF (Bad file descriptor) [pid 5109] close(14) = -1 EBADF (Bad file descriptor) [pid 5109] close(15) = -1 EBADF (Bad file descriptor) [pid 5109] close(16) = -1 EBADF (Bad file descriptor) [pid 5109] close(17) = -1 EBADF (Bad file descriptor) [pid 5109] close(18) = -1 EBADF (Bad file descriptor) [pid 5109] close(19) = -1 EBADF (Bad file descriptor) [pid 5109] close(20) = -1 EBADF (Bad file descriptor) [pid 5109] close(21) = -1 EBADF (Bad file descriptor) [pid 5109] close(22) = -1 EBADF (Bad file descriptor) [pid 5109] close(23) = -1 EBADF (Bad file descriptor) [pid 5109] close(24) = -1 EBADF (Bad file descriptor) [pid 5109] close(25) = -1 EBADF (Bad file descriptor) [pid 5109] close(26) = -1 EBADF (Bad file descriptor) [pid 5109] close(27) = -1 EBADF (Bad file descriptor) [pid 5109] close(28) = -1 EBADF (Bad file descriptor) [pid 5109] close(29) = -1 EBADF (Bad file descriptor) [pid 5109] exit_group(0 [pid 5111] <... clone resumed>) = ? [pid 5110] <... futex resumed>) = ? [pid 5109] <... exit_group resumed>) = ? [pid 5111] +++ exited with 0 +++ [pid 5110] +++ exited with 0 +++ [pid 5109] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=30, si_uid=0, si_status=0, si_utime=20 /* 0.20 s */, si_stime=67 /* 0.67 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 34 ./strace-static-x86_64: Process 5113 attached [pid 5113] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5113] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5113] setpgid(0, 0) = 0 [pid 5113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5113] write(3, "1000", 4) = 4 [pid 5113] close(3) = 0 [pid 5113] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5113] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5113] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5113] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[35], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 35 [pid 5113] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5113] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5114 attached [pid 5114] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5114] memfd_create("syzkaller", 0) = 3 [pid 5114] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5112] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=33, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5114] 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"..., 67108864) = 67108864 [pid 5114] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5114] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5114] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5114] ioctl(4, LOOP_CLR_FD) = 0 [pid 5114] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5114] close(4) = 0 [pid 5114] close(3) = 0 [pid 5114] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5113] <... futex resumed>) = 0 [pid 5113] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5113] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5114] <... futex resumed>) = 1 [pid 5114] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5113] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5113] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5113] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5113] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5113] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[36], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 36 [pid 5113] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5113] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5114] <... mmap resumed>) = 0x20000000 [pid 5114] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5114] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5115 attached [pid 5115] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5115] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5116 attached [pid 5116] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5113] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5113] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5113] close(3) = -1 EBADF (Bad file descriptor) [pid 5113] close(4) = -1 EBADF (Bad file descriptor) [pid 5113] close(5) = -1 EBADF (Bad file descriptor) [pid 5113] close(6) = -1 EBADF (Bad file descriptor) [pid 5113] close(7) = -1 EBADF (Bad file descriptor) [pid 5113] close(8) = -1 EBADF (Bad file descriptor) [pid 5113] close(9) = -1 EBADF (Bad file descriptor) [pid 5113] close(10) = -1 EBADF (Bad file descriptor) [pid 5113] close(11) = -1 EBADF (Bad file descriptor) [pid 5113] close(12) = -1 EBADF (Bad file descriptor) [pid 5113] close(13) = -1 EBADF (Bad file descriptor) [pid 5113] close(14) = -1 EBADF (Bad file descriptor) [pid 5113] close(15) = -1 EBADF (Bad file descriptor) [pid 5113] close(16) = -1 EBADF (Bad file descriptor) [pid 5113] close(17) = -1 EBADF (Bad file descriptor) [pid 5113] close(18) = -1 EBADF (Bad file descriptor) [pid 5113] close(19) = -1 EBADF (Bad file descriptor) [pid 5113] close(20) = -1 EBADF (Bad file descriptor) [pid 5113] close(21) = -1 EBADF (Bad file descriptor) [pid 5113] close(22) = -1 EBADF (Bad file descriptor) [pid 5113] close(23) = -1 EBADF (Bad file descriptor) [pid 5113] close(24) = -1 EBADF (Bad file descriptor) [pid 5113] close(25) = -1 EBADF (Bad file descriptor) [pid 5113] close(26) = -1 EBADF (Bad file descriptor) [pid 5113] close(27) = -1 EBADF (Bad file descriptor) [pid 5113] close(28) = -1 EBADF (Bad file descriptor) [pid 5113] close(29) = -1 EBADF (Bad file descriptor) [pid 5113] exit_group(0 [pid 5115] <... clone resumed>) = ? [pid 5114] <... futex resumed>) = ? [pid 5113] <... exit_group resumed>) = ? [pid 5115] +++ exited with 0 +++ [pid 5114] +++ exited with 0 +++ [pid 5113] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=34, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=70 /* 0.70 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 38 ./strace-static-x86_64: Process 5117 attached [pid 5117] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5117] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5117] setpgid(0, 0) = 0 [pid 5117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5117] write(3, "1000", 4) = 4 [pid 5117] close(3) = 0 [pid 5117] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5117] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5117] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5117] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[39], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 39 [pid 5117] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5117] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5118 attached [pid 5118] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5118] memfd_create("syzkaller", 0) = 3 [pid 5118] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5118] 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"..., 67108864 [pid 5116] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=37, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=34 /* 0.34 s */} --- [pid 5118] <... write resumed>) = 67108864 [pid 5118] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5118] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5118] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5118] ioctl(4, LOOP_CLR_FD) = 0 [pid 5118] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5118] close(4) = 0 [pid 5118] close(3) = 0 [pid 5118] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5117] <... futex resumed>) = 0 [pid 5117] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5117] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5118] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5117] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5117] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5117] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5118] <... mmap resumed>) = 0x20000000 [pid 5117] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5117] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5118] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5117] <... mprotect resumed>) = 0 [pid 5117] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5118] <... futex resumed>) = 0 [pid 5117] <... clone resumed>, parent_tid=[40], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 40 [pid 5117] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5117] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5118] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5119 attached [pid 5119] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5119] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5120 attached [pid 5120] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5117] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5117] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5117] close(3) = -1 EBADF (Bad file descriptor) [pid 5117] close(4) = -1 EBADF (Bad file descriptor) [pid 5117] close(5) = -1 EBADF (Bad file descriptor) [pid 5117] close(6) = -1 EBADF (Bad file descriptor) [pid 5117] close(7) = -1 EBADF (Bad file descriptor) [pid 5117] close(8) = -1 EBADF (Bad file descriptor) [pid 5117] close(9) = -1 EBADF (Bad file descriptor) [pid 5117] close(10) = -1 EBADF (Bad file descriptor) [pid 5117] close(11) = -1 EBADF (Bad file descriptor) [pid 5117] close(12) = -1 EBADF (Bad file descriptor) [pid 5117] close(13) = -1 EBADF (Bad file descriptor) [pid 5117] close(14) = -1 EBADF (Bad file descriptor) [pid 5117] close(15) = -1 EBADF (Bad file descriptor) [pid 5117] close(16) = -1 EBADF (Bad file descriptor) [pid 5117] close(17) = -1 EBADF (Bad file descriptor) [pid 5117] close(18) = -1 EBADF (Bad file descriptor) [pid 5117] close(19) = -1 EBADF (Bad file descriptor) [pid 5117] close(20) = -1 EBADF (Bad file descriptor) [pid 5117] close(21) = -1 EBADF (Bad file descriptor) [pid 5117] close(22) = -1 EBADF (Bad file descriptor) [pid 5117] close(23) = -1 EBADF (Bad file descriptor) [pid 5117] close(24) = -1 EBADF (Bad file descriptor) [pid 5117] close(25) = -1 EBADF (Bad file descriptor) [pid 5117] close(26) = -1 EBADF (Bad file descriptor) [pid 5117] close(27) = -1 EBADF (Bad file descriptor) [pid 5117] close(28) = -1 EBADF (Bad file descriptor) [pid 5117] close(29) = -1 EBADF (Bad file descriptor) [pid 5117] exit_group(0 [pid 5119] <... clone resumed>) = ? [pid 5118] <... futex resumed>) = ? [pid 5117] <... exit_group resumed>) = ? [pid 5119] +++ exited with 0 +++ [pid 5118] +++ exited with 0 +++ [pid 5117] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=38, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=72 /* 0.72 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 42 ./strace-static-x86_64: Process 5121 attached [pid 5121] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5121] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5121] setpgid(0, 0) = 0 [pid 5121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5121] write(3, "1000", 4) = 4 [pid 5121] close(3) = 0 [pid 5121] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5121] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5121] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[43], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 43 [pid 5121] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5121] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5122 attached [pid 5122] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5122] memfd_create("syzkaller", 0) = 3 [pid 5122] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5120] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=41, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5122] 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"..., 67108864) = 67108864 [pid 5122] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5122] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5122] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5122] ioctl(4, LOOP_CLR_FD) = 0 [pid 5122] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5122] close(4) = 0 [pid 5122] close(3) = 0 [pid 5122] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5121] <... futex resumed>) = 0 [pid 5121] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5121] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5122] <... futex resumed>) = 1 [pid 5122] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5121] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5121] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5121] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5121] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[44], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 44 [pid 5121] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5121] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5122] <... mmap resumed>) = 0x20000000 [pid 5122] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5122] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5123 attached [pid 5123] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5123] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5124 attached [pid 5124] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5121] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5121] close(3) = -1 EBADF (Bad file descriptor) [pid 5121] close(4) = -1 EBADF (Bad file descriptor) [pid 5121] close(5) = -1 EBADF (Bad file descriptor) [pid 5121] close(6) = -1 EBADF (Bad file descriptor) [pid 5121] close(7) = -1 EBADF (Bad file descriptor) [pid 5121] close(8) = -1 EBADF (Bad file descriptor) [pid 5121] close(9) = -1 EBADF (Bad file descriptor) [pid 5121] close(10) = -1 EBADF (Bad file descriptor) [pid 5121] close(11) = -1 EBADF (Bad file descriptor) [pid 5121] close(12) = -1 EBADF (Bad file descriptor) [pid 5121] close(13) = -1 EBADF (Bad file descriptor) [pid 5121] close(14) = -1 EBADF (Bad file descriptor) [pid 5121] close(15) = -1 EBADF (Bad file descriptor) [pid 5121] close(16) = -1 EBADF (Bad file descriptor) [pid 5121] close(17) = -1 EBADF (Bad file descriptor) [pid 5121] close(18) = -1 EBADF (Bad file descriptor) [pid 5121] close(19) = -1 EBADF (Bad file descriptor) [pid 5121] close(20) = -1 EBADF (Bad file descriptor) [pid 5121] close(21) = -1 EBADF (Bad file descriptor) [pid 5121] close(22) = -1 EBADF (Bad file descriptor) [pid 5121] close(23) = -1 EBADF (Bad file descriptor) [pid 5121] close(24) = -1 EBADF (Bad file descriptor) [pid 5121] close(25) = -1 EBADF (Bad file descriptor) [pid 5121] close(26) = -1 EBADF (Bad file descriptor) [pid 5121] close(27) = -1 EBADF (Bad file descriptor) [pid 5121] close(28) = -1 EBADF (Bad file descriptor) [pid 5121] close(29) = -1 EBADF (Bad file descriptor) [pid 5121] exit_group(0 [pid 5123] <... clone resumed>) = ? [pid 5122] <... futex resumed>) = ? [pid 5121] <... exit_group resumed>) = ? [pid 5123] +++ exited with 0 +++ [pid 5122] +++ exited with 0 +++ [pid 5121] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=42, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=69 /* 0.69 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 46 ./strace-static-x86_64: Process 5125 attached [pid 5125] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5125] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5125] setpgid(0, 0) = 0 [pid 5125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5125] write(3, "1000", 4) = 4 [pid 5125] close(3) = 0 [pid 5125] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5125] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5125] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5125] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[47], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 47 [pid 5125] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5125] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5126 attached [pid 5126] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5126] memfd_create("syzkaller", 0) = 3 [pid 5126] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5124] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=45, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5126] 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"..., 67108864) = 67108864 [pid 5126] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5126] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5126] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5126] ioctl(4, LOOP_CLR_FD) = 0 [pid 5126] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5126] close(4) = 0 [pid 5126] close(3) = 0 [pid 5126] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5125] <... futex resumed>) = 0 [pid 5125] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5125] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5126] <... futex resumed>) = 1 [pid 5126] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5125] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5125] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5125] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5125] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5125] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[48], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 48 [pid 5125] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5125] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5126] <... mmap resumed>) = 0x20000000 [pid 5126] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5126] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5127 attached [pid 5127] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5127] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5128 attached [pid 5128] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5125] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5125] close(3) = -1 EBADF (Bad file descriptor) [pid 5125] close(4) = -1 EBADF (Bad file descriptor) [pid 5125] close(5) = -1 EBADF (Bad file descriptor) [pid 5125] close(6) = -1 EBADF (Bad file descriptor) [pid 5125] close(7) = -1 EBADF (Bad file descriptor) [pid 5125] close(8) = -1 EBADF (Bad file descriptor) [pid 5125] close(9) = -1 EBADF (Bad file descriptor) [pid 5125] close(10) = -1 EBADF (Bad file descriptor) [pid 5125] close(11) = -1 EBADF (Bad file descriptor) [pid 5125] close(12) = -1 EBADF (Bad file descriptor) [pid 5125] close(13) = -1 EBADF (Bad file descriptor) [pid 5125] close(14) = -1 EBADF (Bad file descriptor) [pid 5125] close(15) = -1 EBADF (Bad file descriptor) [pid 5125] close(16) = -1 EBADF (Bad file descriptor) [pid 5125] close(17) = -1 EBADF (Bad file descriptor) [pid 5125] close(18) = -1 EBADF (Bad file descriptor) [pid 5125] close(19) = -1 EBADF (Bad file descriptor) [pid 5125] close(20) = -1 EBADF (Bad file descriptor) [pid 5125] close(21) = -1 EBADF (Bad file descriptor) [pid 5125] close(22) = -1 EBADF (Bad file descriptor) [pid 5125] close(23) = -1 EBADF (Bad file descriptor) [pid 5125] close(24) = -1 EBADF (Bad file descriptor) [pid 5125] close(25) = -1 EBADF (Bad file descriptor) [pid 5125] close(26) = -1 EBADF (Bad file descriptor) [pid 5125] close(27) = -1 EBADF (Bad file descriptor) [pid 5125] close(28) = -1 EBADF (Bad file descriptor) [pid 5125] close(29) = -1 EBADF (Bad file descriptor) [pid 5125] exit_group(0 [pid 5127] <... clone resumed>) = ? [pid 5126] <... futex resumed>) = ? [pid 5125] <... exit_group resumed>) = ? [pid 5127] +++ exited with 0 +++ [pid 5126] +++ exited with 0 +++ [pid 5125] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=46, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=75 /* 0.75 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 50 ./strace-static-x86_64: Process 5129 attached [pid 5129] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5129] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5129] setpgid(0, 0) = 0 [pid 5129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5129] write(3, "1000", 4) = 4 [pid 5129] close(3) = 0 [pid 5129] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5129] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5129] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5129] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[51], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 51 [pid 5129] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5129] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5130 attached [pid 5130] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5130] memfd_create("syzkaller", 0) = 3 [pid 5130] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5128] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=49, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5130] 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"..., 67108864) = 67108864 [pid 5130] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5130] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5130] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5130] ioctl(4, LOOP_CLR_FD) = 0 [pid 5130] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5130] close(4) = 0 [pid 5130] close(3) = 0 [pid 5130] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5129] <... futex resumed>) = 0 [pid 5129] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5129] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5130] <... futex resumed>) = 1 [pid 5130] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5129] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5129] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5129] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5129] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5129] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5129] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[52], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 52 [pid 5129] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5129] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5130] <... mmap resumed>) = 0x20000000 [pid 5130] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5130] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5131 attached [pid 5131] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5131] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5132 attached [pid 5132] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5129] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5129] close(3) = -1 EBADF (Bad file descriptor) [pid 5129] close(4) = -1 EBADF (Bad file descriptor) [pid 5129] close(5) = -1 EBADF (Bad file descriptor) [pid 5129] close(6) = -1 EBADF (Bad file descriptor) [pid 5129] close(7) = -1 EBADF (Bad file descriptor) [pid 5129] close(8) = -1 EBADF (Bad file descriptor) [pid 5129] close(9) = -1 EBADF (Bad file descriptor) [pid 5129] close(10) = -1 EBADF (Bad file descriptor) [pid 5129] close(11) = -1 EBADF (Bad file descriptor) [pid 5129] close(12) = -1 EBADF (Bad file descriptor) [pid 5129] close(13) = -1 EBADF (Bad file descriptor) [pid 5129] close(14) = -1 EBADF (Bad file descriptor) [pid 5129] close(15) = -1 EBADF (Bad file descriptor) [pid 5129] close(16) = -1 EBADF (Bad file descriptor) [pid 5129] close(17) = -1 EBADF (Bad file descriptor) [pid 5129] close(18) = -1 EBADF (Bad file descriptor) [pid 5129] close(19) = -1 EBADF (Bad file descriptor) [pid 5129] close(20) = -1 EBADF (Bad file descriptor) [pid 5129] close(21) = -1 EBADF (Bad file descriptor) [pid 5129] close(22) = -1 EBADF (Bad file descriptor) [pid 5129] close(23) = -1 EBADF (Bad file descriptor) [pid 5129] close(24) = -1 EBADF (Bad file descriptor) [pid 5129] close(25) = -1 EBADF (Bad file descriptor) [pid 5129] close(26) = -1 EBADF (Bad file descriptor) [pid 5129] close(27) = -1 EBADF (Bad file descriptor) [pid 5129] close(28) = -1 EBADF (Bad file descriptor) [pid 5129] close(29) = -1 EBADF (Bad file descriptor) [pid 5129] exit_group(0 [pid 5131] <... clone resumed>) = ? [pid 5130] <... futex resumed>) = ? [pid 5129] <... exit_group resumed>) = ? [pid 5131] +++ exited with 0 +++ [pid 5130] +++ exited with 0 +++ [pid 5129] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=50, si_uid=0, si_status=0, si_utime=18 /* 0.18 s */, si_stime=60 /* 0.60 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 54 ./strace-static-x86_64: Process 5133 attached [pid 5133] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5133] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5133] setpgid(0, 0) = 0 [pid 5133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5133] write(3, "1000", 4) = 4 [pid 5133] close(3) = 0 [pid 5133] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5133] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5133] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5133] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[55], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 55 [pid 5133] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5133] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5134 attached [pid 5134] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5134] memfd_create("syzkaller", 0) = 3 [pid 5134] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5132] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=53, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 56.259802][ T5132] syz-executor470 (5132) used greatest stack depth: 22312 bytes left [pid 5134] 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"..., 67108864) = 67108864 [pid 5134] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5134] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5134] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5134] ioctl(4, LOOP_CLR_FD) = 0 [pid 5134] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5134] close(4) = 0 [pid 5134] close(3) = 0 [pid 5134] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5133] <... futex resumed>) = 0 [pid 5133] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5133] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5134] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5133] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5133] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5133] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5133] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5134] <... mmap resumed>) = 0x20000000 [pid 5133] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5133] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5133] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5134] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5133] <... clone resumed>, parent_tid=[56], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 56 [pid 5133] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5133] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5134] <... futex resumed>) = 0 [pid 5134] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5135 attached [pid 5135] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5135] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5136 attached [pid 5136] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5133] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5133] close(3) = -1 EBADF (Bad file descriptor) [pid 5133] close(4) = -1 EBADF (Bad file descriptor) [pid 5133] close(5) = -1 EBADF (Bad file descriptor) [pid 5133] close(6) = -1 EBADF (Bad file descriptor) [pid 5133] close(7) = -1 EBADF (Bad file descriptor) [pid 5133] close(8) = -1 EBADF (Bad file descriptor) [pid 5133] close(9) = -1 EBADF (Bad file descriptor) [pid 5133] close(10) = -1 EBADF (Bad file descriptor) [pid 5133] close(11) = -1 EBADF (Bad file descriptor) [pid 5133] close(12) = -1 EBADF (Bad file descriptor) [pid 5133] close(13) = -1 EBADF (Bad file descriptor) [pid 5133] close(14) = -1 EBADF (Bad file descriptor) [pid 5133] close(15) = -1 EBADF (Bad file descriptor) [pid 5133] close(16) = -1 EBADF (Bad file descriptor) [pid 5133] close(17) = -1 EBADF (Bad file descriptor) [pid 5133] close(18) = -1 EBADF (Bad file descriptor) [pid 5133] close(19) = -1 EBADF (Bad file descriptor) [pid 5133] close(20) = -1 EBADF (Bad file descriptor) [pid 5133] close(21) = -1 EBADF (Bad file descriptor) [pid 5133] close(22) = -1 EBADF (Bad file descriptor) [pid 5133] close(23) = -1 EBADF (Bad file descriptor) [pid 5133] close(24) = -1 EBADF (Bad file descriptor) [pid 5133] close(25) = -1 EBADF (Bad file descriptor) [pid 5133] close(26) = -1 EBADF (Bad file descriptor) [pid 5133] close(27) = -1 EBADF (Bad file descriptor) [pid 5133] close(28) = -1 EBADF (Bad file descriptor) [pid 5133] close(29) = -1 EBADF (Bad file descriptor) [pid 5133] exit_group(0 [pid 5135] <... clone resumed>) = ? [pid 5134] <... futex resumed>) = ? [pid 5133] <... exit_group resumed>) = ? [pid 5135] +++ exited with 0 +++ [pid 5134] +++ exited with 0 +++ [pid 5133] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=54, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=70 /* 0.70 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 58 ./strace-static-x86_64: Process 5137 attached [pid 5137] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5137] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5137] setpgid(0, 0) = 0 [pid 5137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5137] write(3, "1000", 4) = 4 [pid 5137] close(3) = 0 [pid 5137] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5137] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5137] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5137] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[59], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 59 [pid 5137] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5137] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5138 attached [pid 5138] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5138] memfd_create("syzkaller", 0) = 3 [pid 5138] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5138] 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"..., 67108864 [pid 5136] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=57, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5138] <... write resumed>) = 67108864 [pid 5138] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5138] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5138] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5138] ioctl(4, LOOP_CLR_FD) = 0 [pid 5138] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5138] close(4) = 0 [pid 5138] close(3) = 0 [pid 5138] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5137] <... futex resumed>) = 0 [pid 5137] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5137] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5138] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5137] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5137] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5137] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5137] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5138] <... mmap resumed>) = 0x20000000 [pid 5137] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5137] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5137] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5138] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5137] <... clone resumed>, parent_tid=[60], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 60 [pid 5137] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5137] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5138] <... futex resumed>) = 0 [pid 5138] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5139 attached [pid 5139] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5139] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5140 attached [pid 5140] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5137] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5137] close(3) = -1 EBADF (Bad file descriptor) [pid 5137] close(4) = -1 EBADF (Bad file descriptor) [pid 5137] close(5) = -1 EBADF (Bad file descriptor) [pid 5137] close(6) = -1 EBADF (Bad file descriptor) [pid 5137] close(7) = -1 EBADF (Bad file descriptor) [pid 5137] close(8) = -1 EBADF (Bad file descriptor) [pid 5137] close(9) = -1 EBADF (Bad file descriptor) [pid 5137] close(10) = -1 EBADF (Bad file descriptor) [pid 5137] close(11) = -1 EBADF (Bad file descriptor) [pid 5137] close(12) = -1 EBADF (Bad file descriptor) [pid 5137] close(13) = -1 EBADF (Bad file descriptor) [pid 5137] close(14) = -1 EBADF (Bad file descriptor) [pid 5137] close(15) = -1 EBADF (Bad file descriptor) [pid 5137] close(16) = -1 EBADF (Bad file descriptor) [pid 5137] close(17) = -1 EBADF (Bad file descriptor) [pid 5137] close(18) = -1 EBADF (Bad file descriptor) [pid 5137] close(19) = -1 EBADF (Bad file descriptor) [pid 5137] close(20) = -1 EBADF (Bad file descriptor) [pid 5137] close(21) = -1 EBADF (Bad file descriptor) [pid 5137] close(22) = -1 EBADF (Bad file descriptor) [pid 5137] close(23) = -1 EBADF (Bad file descriptor) [pid 5137] close(24) = -1 EBADF (Bad file descriptor) [pid 5137] close(25) = -1 EBADF (Bad file descriptor) [pid 5137] close(26) = -1 EBADF (Bad file descriptor) [pid 5137] close(27) = -1 EBADF (Bad file descriptor) [pid 5137] close(28) = -1 EBADF (Bad file descriptor) [pid 5137] close(29) = -1 EBADF (Bad file descriptor) [pid 5137] exit_group(0) = ? [pid 5138] <... futex resumed>) = ? [pid 5139] <... clone resumed>) = ? [pid 5138] +++ exited with 0 +++ [pid 5139] +++ exited with 0 +++ [pid 5137] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=58, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=74 /* 0.74 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 62 ./strace-static-x86_64: Process 5141 attached [pid 5141] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5141] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5141] setpgid(0, 0) = 0 [pid 5141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5141] write(3, "1000", 4) = 4 [pid 5141] close(3) = 0 [pid 5141] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5141] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5141] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5141] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[63], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 63 [pid 5141] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5141] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5142 attached [pid 5142] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5142] memfd_create("syzkaller", 0) = 3 [pid 5142] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5140] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=61, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=41 /* 0.41 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5142] 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"..., 67108864) = 67108864 [pid 5142] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5142] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5142] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5142] ioctl(4, LOOP_CLR_FD) = 0 [pid 5142] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5142] close(4) = 0 [pid 5142] close(3) = 0 [pid 5142] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5141] <... futex resumed>) = 0 [pid 5141] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5141] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5142] <... futex resumed>) = 1 [pid 5142] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5141] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5141] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5141] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5141] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5141] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[64], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 64 [pid 5141] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5141] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5142] <... mmap resumed>) = 0x20000000 [pid 5142] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5142] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5143 attached [pid 5143] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5143] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5144 attached [pid 5144] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5141] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5141] close(3) = -1 EBADF (Bad file descriptor) [pid 5141] close(4) = -1 EBADF (Bad file descriptor) [pid 5141] close(5) = -1 EBADF (Bad file descriptor) [pid 5141] close(6) = -1 EBADF (Bad file descriptor) [pid 5141] close(7) = -1 EBADF (Bad file descriptor) [pid 5141] close(8) = -1 EBADF (Bad file descriptor) [pid 5141] close(9) = -1 EBADF (Bad file descriptor) [pid 5141] close(10) = -1 EBADF (Bad file descriptor) [pid 5141] close(11) = -1 EBADF (Bad file descriptor) [pid 5141] close(12) = -1 EBADF (Bad file descriptor) [pid 5141] close(13) = -1 EBADF (Bad file descriptor) [pid 5141] close(14) = -1 EBADF (Bad file descriptor) [pid 5141] close(15) = -1 EBADF (Bad file descriptor) [pid 5141] close(16) = -1 EBADF (Bad file descriptor) [pid 5141] close(17) = -1 EBADF (Bad file descriptor) [pid 5141] close(18) = -1 EBADF (Bad file descriptor) [pid 5141] close(19) = -1 EBADF (Bad file descriptor) [pid 5141] close(20) = -1 EBADF (Bad file descriptor) [pid 5141] close(21) = -1 EBADF (Bad file descriptor) [pid 5141] close(22) = -1 EBADF (Bad file descriptor) [pid 5141] close(23) = -1 EBADF (Bad file descriptor) [pid 5141] close(24) = -1 EBADF (Bad file descriptor) [pid 5141] close(25) = -1 EBADF (Bad file descriptor) [pid 5141] close(26) = -1 EBADF (Bad file descriptor) [pid 5141] close(27) = -1 EBADF (Bad file descriptor) [pid 5141] close(28) = -1 EBADF (Bad file descriptor) [pid 5141] close(29) = -1 EBADF (Bad file descriptor) [pid 5141] exit_group(0 [pid 5143] <... clone resumed>) = ? [pid 5142] <... futex resumed>) = ? [pid 5141] <... exit_group resumed>) = ? [pid 5143] +++ exited with 0 +++ [pid 5142] +++ exited with 0 +++ [pid 5141] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=62, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=64 /* 0.64 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 66 ./strace-static-x86_64: Process 5145 attached [pid 5145] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5145] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5145] setpgid(0, 0) = 0 [pid 5145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5145] write(3, "1000", 4) = 4 [pid 5145] close(3) = 0 [pid 5145] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5145] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5145] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5145] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[67], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 67 [pid 5145] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5145] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5146 attached [pid 5146] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5146] memfd_create("syzkaller", 0) = 3 [pid 5146] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5146] 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"..., 67108864 [pid 5144] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=65, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=41 /* 0.41 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5146] <... write resumed>) = 67108864 [pid 5146] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5146] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5146] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5146] ioctl(4, LOOP_CLR_FD) = 0 [pid 5146] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5146] close(4) = 0 [pid 5146] close(3) = 0 [pid 5146] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5146] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5145] <... futex resumed>) = 0 [pid 5145] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5145] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5146] <... futex resumed>) = 0 [pid 5146] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5145] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5145] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5145] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5146] <... mmap resumed>) = 0x20000000 [pid 5146] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5145] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5145] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[68], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 68 [pid 5145] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5145] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5146] <... futex resumed>) = 0 [pid 5146] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5147 attached [pid 5147] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5147] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5148 attached [pid 5148] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5145] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5145] close(3) = -1 EBADF (Bad file descriptor) [pid 5145] close(4) = -1 EBADF (Bad file descriptor) [pid 5145] close(5) = -1 EBADF (Bad file descriptor) [pid 5145] close(6) = -1 EBADF (Bad file descriptor) [pid 5145] close(7) = -1 EBADF (Bad file descriptor) [pid 5145] close(8) = -1 EBADF (Bad file descriptor) [pid 5145] close(9) = -1 EBADF (Bad file descriptor) [pid 5145] close(10) = -1 EBADF (Bad file descriptor) [pid 5145] close(11) = -1 EBADF (Bad file descriptor) [pid 5145] close(12) = -1 EBADF (Bad file descriptor) [pid 5145] close(13) = -1 EBADF (Bad file descriptor) [pid 5145] close(14) = -1 EBADF (Bad file descriptor) [pid 5145] close(15) = -1 EBADF (Bad file descriptor) [pid 5145] close(16) = -1 EBADF (Bad file descriptor) [pid 5145] close(17) = -1 EBADF (Bad file descriptor) [pid 5145] close(18) = -1 EBADF (Bad file descriptor) [pid 5145] close(19) = -1 EBADF (Bad file descriptor) [pid 5145] close(20) = -1 EBADF (Bad file descriptor) [pid 5145] close(21) = -1 EBADF (Bad file descriptor) [pid 5145] close(22) = -1 EBADF (Bad file descriptor) [pid 5145] close(23) = -1 EBADF (Bad file descriptor) [pid 5145] close(24) = -1 EBADF (Bad file descriptor) [pid 5145] close(25) = -1 EBADF (Bad file descriptor) [pid 5145] close(26) = -1 EBADF (Bad file descriptor) [pid 5145] close(27) = -1 EBADF (Bad file descriptor) [pid 5145] close(28) = -1 EBADF (Bad file descriptor) [pid 5145] close(29) = -1 EBADF (Bad file descriptor) [pid 5145] exit_group(0 [pid 5147] <... clone resumed>) = ? [pid 5146] <... futex resumed>) = ? [pid 5145] <... exit_group resumed>) = ? [pid 5147] +++ exited with 0 +++ [pid 5146] +++ exited with 0 +++ [pid 5145] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=66, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=65 /* 0.65 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 70 ./strace-static-x86_64: Process 5149 attached [pid 5149] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5149] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5149] setpgid(0, 0) = 0 [pid 5149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5149] write(3, "1000", 4) = 4 [pid 5149] close(3) = 0 [pid 5149] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5149] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5149] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5149] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[71], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 71 [pid 5149] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5149] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5150 attached [pid 5150] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5150] memfd_create("syzkaller", 0) = 3 [pid 5150] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5148] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=69, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5150] 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"..., 67108864) = 67108864 [pid 5150] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5150] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5150] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5150] ioctl(4, LOOP_CLR_FD) = 0 [pid 5150] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5150] close(4) = 0 [pid 5150] close(3) = 0 [pid 5150] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5149] <... futex resumed>) = 0 [pid 5149] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5149] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5150] <... futex resumed>) = 1 [pid 5150] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5149] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5149] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5149] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5149] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5149] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[72], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 72 [pid 5149] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5149] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5150] <... mmap resumed>) = 0x20000000 [pid 5150] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5150] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5151 attached [pid 5151] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5151] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5152 attached [pid 5152] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5149] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5149] close(3) = -1 EBADF (Bad file descriptor) [pid 5149] close(4) = -1 EBADF (Bad file descriptor) [pid 5149] close(5) = -1 EBADF (Bad file descriptor) [pid 5149] close(6) = -1 EBADF (Bad file descriptor) [pid 5149] close(7) = -1 EBADF (Bad file descriptor) [pid 5149] close(8) = -1 EBADF (Bad file descriptor) [pid 5149] close(9) = -1 EBADF (Bad file descriptor) [pid 5149] close(10) = -1 EBADF (Bad file descriptor) [pid 5149] close(11) = -1 EBADF (Bad file descriptor) [pid 5149] close(12) = -1 EBADF (Bad file descriptor) [pid 5149] close(13) = -1 EBADF (Bad file descriptor) [pid 5149] close(14) = -1 EBADF (Bad file descriptor) [pid 5149] close(15) = -1 EBADF (Bad file descriptor) [pid 5149] close(16) = -1 EBADF (Bad file descriptor) [pid 5149] close(17) = -1 EBADF (Bad file descriptor) [pid 5149] close(18) = -1 EBADF (Bad file descriptor) [pid 5149] close(19) = -1 EBADF (Bad file descriptor) [pid 5149] close(20) = -1 EBADF (Bad file descriptor) [pid 5149] close(21) = -1 EBADF (Bad file descriptor) [pid 5149] close(22) = -1 EBADF (Bad file descriptor) [pid 5149] close(23) = -1 EBADF (Bad file descriptor) [pid 5149] close(24) = -1 EBADF (Bad file descriptor) [pid 5149] close(25) = -1 EBADF (Bad file descriptor) [pid 5149] close(26) = -1 EBADF (Bad file descriptor) [pid 5149] close(27) = -1 EBADF (Bad file descriptor) [pid 5149] close(28) = -1 EBADF (Bad file descriptor) [pid 5149] close(29) = -1 EBADF (Bad file descriptor) [pid 5149] exit_group(0 [pid 5151] <... clone resumed>) = ? [pid 5150] <... futex resumed>) = ? [pid 5149] <... exit_group resumed>) = ? [pid 5151] +++ exited with 0 +++ [pid 5150] +++ exited with 0 +++ [pid 5149] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=70, si_uid=0, si_status=0, si_utime=18 /* 0.18 s */, si_stime=70 /* 0.70 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 74 ./strace-static-x86_64: Process 5153 attached [pid 5153] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5153] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5153] setpgid(0, 0) = 0 [pid 5153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5153] write(3, "1000", 4) = 4 [pid 5153] close(3) = 0 [pid 5153] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5153] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5153] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5153] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[75], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 75 [pid 5153] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5153] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5154 attached [pid 5154] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5154] memfd_create("syzkaller", 0) = 3 [pid 5154] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5152] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=73, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=40 /* 0.40 s */} --- [pid 5154] 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"..., 67108864) = 67108864 [pid 5154] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5154] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5154] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5154] ioctl(4, LOOP_CLR_FD) = 0 [pid 5154] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5154] close(4) = 0 [pid 5154] close(3) = 0 [pid 5154] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5153] <... futex resumed>) = 0 [pid 5153] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5153] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5154] <... futex resumed>) = 1 [pid 5154] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5153] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5153] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5153] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5153] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5153] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[76], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 76 [pid 5153] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5153] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5154] <... mmap resumed>) = 0x20000000 [pid 5154] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5154] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5155 attached [pid 5155] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5155] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5156 attached [pid 5156] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5153] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5153] close(3) = -1 EBADF (Bad file descriptor) [pid 5153] close(4) = -1 EBADF (Bad file descriptor) [pid 5153] close(5) = -1 EBADF (Bad file descriptor) [pid 5153] close(6) = -1 EBADF (Bad file descriptor) [pid 5153] close(7) = -1 EBADF (Bad file descriptor) [pid 5153] close(8) = -1 EBADF (Bad file descriptor) [pid 5153] close(9) = -1 EBADF (Bad file descriptor) [pid 5153] close(10) = -1 EBADF (Bad file descriptor) [pid 5153] close(11) = -1 EBADF (Bad file descriptor) [pid 5153] close(12) = -1 EBADF (Bad file descriptor) [pid 5153] close(13) = -1 EBADF (Bad file descriptor) [pid 5153] close(14) = -1 EBADF (Bad file descriptor) [pid 5153] close(15) = -1 EBADF (Bad file descriptor) [pid 5153] close(16) = -1 EBADF (Bad file descriptor) [pid 5153] close(17) = -1 EBADF (Bad file descriptor) [pid 5153] close(18) = -1 EBADF (Bad file descriptor) [pid 5153] close(19) = -1 EBADF (Bad file descriptor) [pid 5153] close(20) = -1 EBADF (Bad file descriptor) [pid 5153] close(21) = -1 EBADF (Bad file descriptor) [pid 5153] close(22) = -1 EBADF (Bad file descriptor) [pid 5153] close(23) = -1 EBADF (Bad file descriptor) [pid 5153] close(24) = -1 EBADF (Bad file descriptor) [pid 5153] close(25) = -1 EBADF (Bad file descriptor) [pid 5153] close(26) = -1 EBADF (Bad file descriptor) [pid 5153] close(27) = -1 EBADF (Bad file descriptor) [pid 5153] close(28) = -1 EBADF (Bad file descriptor) [pid 5153] close(29) = -1 EBADF (Bad file descriptor) [pid 5153] exit_group(0 [pid 5155] <... clone resumed>) = ? [pid 5154] <... futex resumed>) = ? [pid 5153] <... exit_group resumed>) = ? [pid 5155] +++ exited with 0 +++ [pid 5154] +++ exited with 0 +++ [pid 5153] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=74, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=69 /* 0.69 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 78 ./strace-static-x86_64: Process 5157 attached [pid 5157] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5157] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5157] setpgid(0, 0) = 0 [pid 5157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5157] write(3, "1000", 4) = 4 [pid 5157] close(3) = 0 [pid 5157] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5157] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5157] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5157] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[79], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 79 [pid 5157] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5157] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5158 attached [pid 5158] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5158] memfd_create("syzkaller", 0) = 3 [pid 5158] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5158] 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"..., 67108864 [pid 5156] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=77, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=43 /* 0.43 s */} --- [pid 5158] <... write resumed>) = 67108864 [pid 5158] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5158] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5158] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5158] ioctl(4, LOOP_CLR_FD) = 0 [pid 5158] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5158] close(4) = 0 [pid 5158] close(3) = 0 [pid 5158] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5157] <... futex resumed>) = 0 [pid 5157] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5157] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5158] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5157] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5157] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5157] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5157] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5158] <... mmap resumed>) = 0x20000000 [pid 5157] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5157] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5158] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5157] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5158] <... futex resumed>) = 0 [pid 5157] <... clone resumed>, parent_tid=[80], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 80 [pid 5157] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5157] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5158] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5159 attached [pid 5159] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5159] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5160 attached [pid 5160] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5157] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5157] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5157] close(3) = -1 EBADF (Bad file descriptor) [pid 5157] close(4) = -1 EBADF (Bad file descriptor) [pid 5157] close(5) = -1 EBADF (Bad file descriptor) [pid 5157] close(6) = -1 EBADF (Bad file descriptor) [pid 5157] close(7) = -1 EBADF (Bad file descriptor) [pid 5157] close(8) = -1 EBADF (Bad file descriptor) [pid 5157] close(9) = -1 EBADF (Bad file descriptor) [pid 5157] close(10) = -1 EBADF (Bad file descriptor) [pid 5157] close(11) = -1 EBADF (Bad file descriptor) [pid 5157] close(12) = -1 EBADF (Bad file descriptor) [pid 5157] close(13) = -1 EBADF (Bad file descriptor) [pid 5157] close(14) = -1 EBADF (Bad file descriptor) [pid 5157] close(15) = -1 EBADF (Bad file descriptor) [pid 5157] close(16) = -1 EBADF (Bad file descriptor) [pid 5157] close(17) = -1 EBADF (Bad file descriptor) [pid 5157] close(18) = -1 EBADF (Bad file descriptor) [pid 5157] close(19) = -1 EBADF (Bad file descriptor) [pid 5157] close(20) = -1 EBADF (Bad file descriptor) [pid 5157] close(21) = -1 EBADF (Bad file descriptor) [pid 5157] close(22) = -1 EBADF (Bad file descriptor) [pid 5157] close(23) = -1 EBADF (Bad file descriptor) [pid 5157] close(24) = -1 EBADF (Bad file descriptor) [pid 5157] close(25) = -1 EBADF (Bad file descriptor) [pid 5157] close(26) = -1 EBADF (Bad file descriptor) [pid 5157] close(27) = -1 EBADF (Bad file descriptor) [pid 5157] close(28) = -1 EBADF (Bad file descriptor) [pid 5157] close(29) = -1 EBADF (Bad file descriptor) [pid 5157] exit_group(0 [pid 5159] <... clone resumed>) = ? [pid 5158] <... futex resumed>) = ? [pid 5157] <... exit_group resumed>) = ? [pid 5159] +++ exited with 0 +++ [pid 5158] +++ exited with 0 +++ [pid 5157] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=78, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=66 /* 0.66 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 82 ./strace-static-x86_64: Process 5161 attached [pid 5161] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5161] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5161] setpgid(0, 0) = 0 [pid 5161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5161] write(3, "1000", 4) = 4 [pid 5161] close(3) = 0 [pid 5161] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5161] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5161] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5161] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[83], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 83 [pid 5161] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5161] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5162 attached [pid 5162] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5162] memfd_create("syzkaller", 0) = 3 [pid 5162] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5160] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=81, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=42 /* 0.42 s */} --- [pid 5162] 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"..., 67108864) = 67108864 [pid 5162] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5162] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5162] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5162] ioctl(4, LOOP_CLR_FD) = 0 [pid 5162] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5162] close(4) = 0 [pid 5162] close(3) = 0 [pid 5162] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5161] <... futex resumed>) = 0 [pid 5161] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5161] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5162] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5161] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5161] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5161] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5162] <... mmap resumed>) = 0x20000000 [pid 5161] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5161] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5162] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5161] <... mprotect resumed>) = 0 [pid 5161] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[84], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 84 [pid 5161] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5161] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5162] <... futex resumed>) = 0 [pid 5162] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5163 attached [pid 5163] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5163] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5164 attached [pid 5164] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5161] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5161] close(3) = -1 EBADF (Bad file descriptor) [pid 5161] close(4) = -1 EBADF (Bad file descriptor) [pid 5161] close(5) = -1 EBADF (Bad file descriptor) [pid 5161] close(6) = -1 EBADF (Bad file descriptor) [pid 5161] close(7) = -1 EBADF (Bad file descriptor) [pid 5161] close(8) = -1 EBADF (Bad file descriptor) [pid 5161] close(9) = -1 EBADF (Bad file descriptor) [pid 5161] close(10) = -1 EBADF (Bad file descriptor) [pid 5161] close(11) = -1 EBADF (Bad file descriptor) [pid 5161] close(12) = -1 EBADF (Bad file descriptor) [pid 5161] close(13) = -1 EBADF (Bad file descriptor) [pid 5161] close(14) = -1 EBADF (Bad file descriptor) [pid 5161] close(15) = -1 EBADF (Bad file descriptor) [pid 5161] close(16) = -1 EBADF (Bad file descriptor) [pid 5161] close(17) = -1 EBADF (Bad file descriptor) [pid 5161] close(18) = -1 EBADF (Bad file descriptor) [pid 5161] close(19) = -1 EBADF (Bad file descriptor) [pid 5161] close(20) = -1 EBADF (Bad file descriptor) [pid 5161] close(21) = -1 EBADF (Bad file descriptor) [pid 5161] close(22) = -1 EBADF (Bad file descriptor) [pid 5161] close(23) = -1 EBADF (Bad file descriptor) [pid 5161] close(24) = -1 EBADF (Bad file descriptor) [pid 5161] close(25) = -1 EBADF (Bad file descriptor) [pid 5161] close(26) = -1 EBADF (Bad file descriptor) [pid 5161] close(27) = -1 EBADF (Bad file descriptor) [pid 5161] close(28) = -1 EBADF (Bad file descriptor) [pid 5161] close(29) = -1 EBADF (Bad file descriptor) [pid 5161] exit_group(0 [pid 5163] <... clone resumed>) = ? [pid 5162] <... futex resumed>) = ? [pid 5161] <... exit_group resumed>) = ? [pid 5163] +++ exited with 0 +++ [pid 5162] +++ exited with 0 +++ [pid 5161] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=82, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=64 /* 0.64 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 86 ./strace-static-x86_64: Process 5165 attached [pid 5165] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5165] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5165] setpgid(0, 0) = 0 [pid 5165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5165] write(3, "1000", 4) = 4 [pid 5165] close(3) = 0 [pid 5165] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5165] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5165] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5165] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[87], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 87 [pid 5165] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5165] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5166 attached [pid 5166] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5166] memfd_create("syzkaller", 0) = 3 [pid 5166] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5164] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=85, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=41 /* 0.41 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5166] 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"..., 67108864) = 67108864 [pid 5166] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5166] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5166] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5166] ioctl(4, LOOP_CLR_FD) = 0 [pid 5166] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5166] close(4) = 0 [pid 5166] close(3) = 0 [pid 5166] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5165] <... futex resumed>) = 0 [pid 5165] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5165] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5166] <... futex resumed>) = 1 [pid 5166] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5165] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5165] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5165] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5165] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5165] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5165] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[88], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 88 [pid 5165] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5165] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5166] <... mmap resumed>) = 0x20000000 [pid 5166] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5166] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5167 attached [pid 5167] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5167] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5168 attached [pid 5168] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5165] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5165] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5165] close(3) = -1 EBADF (Bad file descriptor) [pid 5165] close(4) = -1 EBADF (Bad file descriptor) [pid 5165] close(5) = -1 EBADF (Bad file descriptor) [pid 5165] close(6) = -1 EBADF (Bad file descriptor) [pid 5165] close(7) = -1 EBADF (Bad file descriptor) [pid 5165] close(8) = -1 EBADF (Bad file descriptor) [pid 5165] close(9) = -1 EBADF (Bad file descriptor) [pid 5165] close(10) = -1 EBADF (Bad file descriptor) [pid 5165] close(11) = -1 EBADF (Bad file descriptor) [pid 5165] close(12) = -1 EBADF (Bad file descriptor) [pid 5165] close(13) = -1 EBADF (Bad file descriptor) [pid 5165] close(14) = -1 EBADF (Bad file descriptor) [pid 5165] close(15) = -1 EBADF (Bad file descriptor) [pid 5165] close(16) = -1 EBADF (Bad file descriptor) [pid 5165] close(17) = -1 EBADF (Bad file descriptor) [pid 5165] close(18) = -1 EBADF (Bad file descriptor) [pid 5165] close(19) = -1 EBADF (Bad file descriptor) [pid 5165] close(20) = -1 EBADF (Bad file descriptor) [pid 5165] close(21) = -1 EBADF (Bad file descriptor) [pid 5165] close(22) = -1 EBADF (Bad file descriptor) [pid 5165] close(23) = -1 EBADF (Bad file descriptor) [pid 5165] close(24) = -1 EBADF (Bad file descriptor) [pid 5165] close(25) = -1 EBADF (Bad file descriptor) [pid 5165] close(26) = -1 EBADF (Bad file descriptor) [pid 5165] close(27) = -1 EBADF (Bad file descriptor) [pid 5165] close(28) = -1 EBADF (Bad file descriptor) [pid 5165] close(29) = -1 EBADF (Bad file descriptor) [pid 5165] exit_group(0 [pid 5167] <... clone resumed>) = ? [pid 5166] <... futex resumed>) = ? [pid 5165] <... exit_group resumed>) = ? [pid 5167] +++ exited with 0 +++ [pid 5166] +++ exited with 0 +++ [pid 5165] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=86, si_uid=0, si_status=0, si_utime=20 /* 0.20 s */, si_stime=69 /* 0.69 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 90 ./strace-static-x86_64: Process 5169 attached [pid 5169] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5169] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5169] setpgid(0, 0) = 0 [pid 5169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5169] write(3, "1000", 4) = 4 [pid 5169] close(3) = 0 [pid 5169] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5169] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5169] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5169] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[91], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 91 [pid 5169] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5169] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5170 attached [pid 5170] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5170] memfd_create("syzkaller", 0) = 3 [pid 5170] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5170] 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"..., 67108864 [pid 5168] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=89, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5170] <... write resumed>) = 67108864 [pid 5170] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5170] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5170] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5170] ioctl(4, LOOP_CLR_FD) = 0 [pid 5170] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5170] close(4) = 0 [pid 5170] close(3) = 0 [pid 5170] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5169] <... futex resumed>) = 0 [pid 5169] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5169] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5170] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5169] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5169] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5169] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5169] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5170] <... mmap resumed>) = 0x20000000 [pid 5169] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5169] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5169] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5170] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5169] <... clone resumed>, parent_tid=[92], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 92 [pid 5169] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5169] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5170] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5171 attached [pid 5171] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5171] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5172 attached [pid 5172] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5169] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5169] close(3) = -1 EBADF (Bad file descriptor) [pid 5169] close(4) = -1 EBADF (Bad file descriptor) [pid 5169] close(5) = -1 EBADF (Bad file descriptor) [pid 5169] close(6) = -1 EBADF (Bad file descriptor) [pid 5169] close(7) = -1 EBADF (Bad file descriptor) [pid 5169] close(8) = -1 EBADF (Bad file descriptor) [pid 5169] close(9) = -1 EBADF (Bad file descriptor) [pid 5169] close(10) = -1 EBADF (Bad file descriptor) [pid 5169] close(11) = -1 EBADF (Bad file descriptor) [pid 5169] close(12) = -1 EBADF (Bad file descriptor) [pid 5169] close(13) = -1 EBADF (Bad file descriptor) [pid 5169] close(14) = -1 EBADF (Bad file descriptor) [pid 5169] close(15) = -1 EBADF (Bad file descriptor) [pid 5169] close(16) = -1 EBADF (Bad file descriptor) [pid 5169] close(17) = -1 EBADF (Bad file descriptor) [pid 5169] close(18) = -1 EBADF (Bad file descriptor) [pid 5169] close(19) = -1 EBADF (Bad file descriptor) [pid 5169] close(20) = -1 EBADF (Bad file descriptor) [pid 5169] close(21) = -1 EBADF (Bad file descriptor) [pid 5169] close(22) = -1 EBADF (Bad file descriptor) [pid 5169] close(23) = -1 EBADF (Bad file descriptor) [pid 5169] close(24) = -1 EBADF (Bad file descriptor) [pid 5169] close(25) = -1 EBADF (Bad file descriptor) [pid 5169] close(26) = -1 EBADF (Bad file descriptor) [pid 5169] close(27) = -1 EBADF (Bad file descriptor) [pid 5169] close(28) = -1 EBADF (Bad file descriptor) [pid 5169] close(29) = -1 EBADF (Bad file descriptor) [pid 5169] exit_group(0 [pid 5171] <... clone resumed>) = ? [pid 5170] <... futex resumed>) = ? [pid 5169] <... exit_group resumed>) = ? [pid 5171] +++ exited with 0 +++ [pid 5170] +++ exited with 0 +++ [pid 5169] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=90, si_uid=0, si_status=0, si_utime=18 /* 0.18 s */, si_stime=67 /* 0.67 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 94 ./strace-static-x86_64: Process 5173 attached [pid 5173] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5173] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5173] setpgid(0, 0) = 0 [pid 5173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5173] write(3, "1000", 4) = 4 [pid 5173] close(3) = 0 [pid 5173] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5173] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5173] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5173] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[95], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 95 [pid 5173] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5173] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5174 attached [pid 5174] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5174] memfd_create("syzkaller", 0) = 3 [pid 5174] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5172] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=93, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5174] 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"..., 67108864) = 67108864 [pid 5174] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5174] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5174] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5174] ioctl(4, LOOP_CLR_FD) = 0 [pid 5174] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5174] close(4) = 0 [ 70.413975][ T7] cfg80211: failed to load regulatory.db [pid 5174] close(3) = 0 [pid 5174] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5173] <... futex resumed>) = 0 [pid 5173] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5173] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5174] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5173] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5173] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5173] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5174] <... mmap resumed>) = 0x20000000 [pid 5173] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5173] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5173] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5174] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5173] <... clone resumed>, parent_tid=[96], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 96 [pid 5173] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5173] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5174] <... futex resumed>) = 0 [pid 5174] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5175 attached [pid 5175] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5175] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5176 attached [pid 5176] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5173] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5173] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5173] close(3) = -1 EBADF (Bad file descriptor) [pid 5173] close(4) = -1 EBADF (Bad file descriptor) [pid 5173] close(5) = -1 EBADF (Bad file descriptor) [pid 5173] close(6) = -1 EBADF (Bad file descriptor) [pid 5173] close(7) = -1 EBADF (Bad file descriptor) [pid 5173] close(8) = -1 EBADF (Bad file descriptor) [pid 5173] close(9) = -1 EBADF (Bad file descriptor) [pid 5173] close(10) = -1 EBADF (Bad file descriptor) [pid 5173] close(11) = -1 EBADF (Bad file descriptor) [pid 5173] close(12) = -1 EBADF (Bad file descriptor) [pid 5173] close(13) = -1 EBADF (Bad file descriptor) [pid 5173] close(14) = -1 EBADF (Bad file descriptor) [pid 5173] close(15) = -1 EBADF (Bad file descriptor) [pid 5173] close(16) = -1 EBADF (Bad file descriptor) [pid 5173] close(17) = -1 EBADF (Bad file descriptor) [pid 5173] close(18) = -1 EBADF (Bad file descriptor) [pid 5173] close(19) = -1 EBADF (Bad file descriptor) [pid 5173] close(20) = -1 EBADF (Bad file descriptor) [pid 5173] close(21) = -1 EBADF (Bad file descriptor) [pid 5173] close(22) = -1 EBADF (Bad file descriptor) [pid 5173] close(23) = -1 EBADF (Bad file descriptor) [pid 5173] close(24) = -1 EBADF (Bad file descriptor) [pid 5173] close(25) = -1 EBADF (Bad file descriptor) [pid 5173] close(26) = -1 EBADF (Bad file descriptor) [pid 5173] close(27) = -1 EBADF (Bad file descriptor) [pid 5173] close(28) = -1 EBADF (Bad file descriptor) [pid 5173] close(29) = -1 EBADF (Bad file descriptor) [pid 5173] exit_group(0 [pid 5174] <... futex resumed>) = ? [pid 5175] <... clone resumed>) = ? [pid 5174] +++ exited with 0 +++ [pid 5173] <... exit_group resumed>) = ? [pid 5175] +++ exited with 0 +++ [pid 5173] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=94, si_uid=0, si_status=0, si_utime=20 /* 0.20 s */, si_stime=69 /* 0.69 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 98 ./strace-static-x86_64: Process 5177 attached [pid 5177] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5177] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5177] setpgid(0, 0) = 0 [pid 5177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5177] write(3, "1000", 4) = 4 [pid 5177] close(3) = 0 [pid 5177] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5177] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5177] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5177] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[99], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 99 [pid 5177] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5177] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5178 attached [pid 5178] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5178] memfd_create("syzkaller", 0) = 3 [pid 5178] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5176] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=97, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5178] 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"..., 67108864) = 67108864 [pid 5178] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5178] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5178] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5178] ioctl(4, LOOP_CLR_FD) = 0 [pid 5178] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5178] close(4) = 0 [pid 5178] close(3) = 0 [pid 5178] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5177] <... futex resumed>) = 0 [pid 5177] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5177] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5178] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5177] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5177] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5177] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5177] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5178] <... mmap resumed>) = 0x20000000 [pid 5177] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5177] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5178] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5177] <... mprotect resumed>) = 0 [pid 5177] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5178] <... futex resumed>) = 0 [pid 5177] <... clone resumed>, parent_tid=[100], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 100 [pid 5177] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5177] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5178] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5179 attached [pid 5179] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5179] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5180 attached [pid 5180] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5177] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5177] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5177] close(3) = -1 EBADF (Bad file descriptor) [pid 5177] close(4) = -1 EBADF (Bad file descriptor) [pid 5177] close(5) = -1 EBADF (Bad file descriptor) [pid 5177] close(6) = -1 EBADF (Bad file descriptor) [pid 5177] close(7) = -1 EBADF (Bad file descriptor) [pid 5177] close(8) = -1 EBADF (Bad file descriptor) [pid 5177] close(9) = -1 EBADF (Bad file descriptor) [pid 5177] close(10) = -1 EBADF (Bad file descriptor) [pid 5177] close(11) = -1 EBADF (Bad file descriptor) [pid 5177] close(12) = -1 EBADF (Bad file descriptor) [pid 5177] close(13) = -1 EBADF (Bad file descriptor) [pid 5177] close(14) = -1 EBADF (Bad file descriptor) [pid 5177] close(15) = -1 EBADF (Bad file descriptor) [pid 5177] close(16) = -1 EBADF (Bad file descriptor) [pid 5177] close(17) = -1 EBADF (Bad file descriptor) [pid 5177] close(18) = -1 EBADF (Bad file descriptor) [pid 5177] close(19) = -1 EBADF (Bad file descriptor) [pid 5177] close(20) = -1 EBADF (Bad file descriptor) [pid 5177] close(21) = -1 EBADF (Bad file descriptor) [pid 5177] close(22) = -1 EBADF (Bad file descriptor) [pid 5177] close(23) = -1 EBADF (Bad file descriptor) [pid 5177] close(24) = -1 EBADF (Bad file descriptor) [pid 5177] close(25) = -1 EBADF (Bad file descriptor) [pid 5177] close(26) = -1 EBADF (Bad file descriptor) [pid 5177] close(27) = -1 EBADF (Bad file descriptor) [pid 5177] close(28) = -1 EBADF (Bad file descriptor) [pid 5177] close(29) = -1 EBADF (Bad file descriptor) [pid 5177] exit_group(0 [pid 5179] <... clone resumed>) = ? [pid 5178] <... futex resumed>) = ? [pid 5177] <... exit_group resumed>) = ? [pid 5179] +++ exited with 0 +++ [pid 5178] +++ exited with 0 +++ [pid 5177] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=98, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=67 /* 0.67 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 102 ./strace-static-x86_64: Process 5181 attached [pid 5181] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5181] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5181] setpgid(0, 0) = 0 [pid 5181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5181] write(3, "1000", 4) = 4 [pid 5181] close(3) = 0 [pid 5181] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5181] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5181] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5181] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[103], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 103 [pid 5181] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5181] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5182 attached [pid 5182] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5182] memfd_create("syzkaller", 0) = 3 [pid 5182] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5180] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=101, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5182] 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"..., 67108864) = 67108864 [pid 5182] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5182] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5182] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5182] ioctl(4, LOOP_CLR_FD) = 0 [pid 5182] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5182] close(4) = 0 [pid 5182] close(3) = 0 [pid 5182] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5181] <... futex resumed>) = 0 [pid 5181] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5181] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5182] <... futex resumed>) = 1 [pid 5182] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5181] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5181] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5181] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5181] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5181] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[104], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 104 [pid 5181] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5181] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5182] <... mmap resumed>) = 0x20000000 [pid 5182] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5182] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5183 attached [pid 5183] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5183] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5184 attached [pid 5184] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5181] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5181] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5181] close(3) = -1 EBADF (Bad file descriptor) [pid 5181] close(4) = -1 EBADF (Bad file descriptor) [pid 5181] close(5) = -1 EBADF (Bad file descriptor) [pid 5181] close(6) = -1 EBADF (Bad file descriptor) [pid 5181] close(7) = -1 EBADF (Bad file descriptor) [pid 5181] close(8) = -1 EBADF (Bad file descriptor) [pid 5181] close(9) = -1 EBADF (Bad file descriptor) [pid 5181] close(10) = -1 EBADF (Bad file descriptor) [pid 5181] close(11) = -1 EBADF (Bad file descriptor) [pid 5181] close(12) = -1 EBADF (Bad file descriptor) [pid 5181] close(13) = -1 EBADF (Bad file descriptor) [pid 5181] close(14) = -1 EBADF (Bad file descriptor) [pid 5181] close(15) = -1 EBADF (Bad file descriptor) [pid 5181] close(16) = -1 EBADF (Bad file descriptor) [pid 5181] close(17) = -1 EBADF (Bad file descriptor) [pid 5181] close(18) = -1 EBADF (Bad file descriptor) [pid 5181] close(19) = -1 EBADF (Bad file descriptor) [pid 5181] close(20) = -1 EBADF (Bad file descriptor) [pid 5181] close(21) = -1 EBADF (Bad file descriptor) [pid 5181] close(22) = -1 EBADF (Bad file descriptor) [pid 5181] close(23) = -1 EBADF (Bad file descriptor) [pid 5181] close(24) = -1 EBADF (Bad file descriptor) [pid 5181] close(25) = -1 EBADF (Bad file descriptor) [pid 5181] close(26) = -1 EBADF (Bad file descriptor) [pid 5181] close(27) = -1 EBADF (Bad file descriptor) [pid 5181] close(28) = -1 EBADF (Bad file descriptor) [pid 5181] close(29) = -1 EBADF (Bad file descriptor) [pid 5181] exit_group(0 [pid 5183] <... clone resumed>) = ? [pid 5182] <... futex resumed>) = ? [pid 5181] <... exit_group resumed>) = ? [pid 5183] +++ exited with 0 +++ [pid 5182] +++ exited with 0 +++ [pid 5181] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=102, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=69 /* 0.69 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 106 ./strace-static-x86_64: Process 5185 attached [pid 5185] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5185] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5185] setpgid(0, 0) = 0 [pid 5185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5185] write(3, "1000", 4) = 4 [pid 5185] close(3) = 0 [pid 5185] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5185] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5185] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5185] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[107], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 107 [pid 5185] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5185] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5186 attached [pid 5186] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5186] memfd_create("syzkaller", 0) = 3 [pid 5186] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5186] 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"..., 67108864 [pid 5184] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=105, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=41 /* 0.41 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5186] <... write resumed>) = 67108864 [pid 5186] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5186] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5186] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5186] ioctl(4, LOOP_CLR_FD) = 0 [pid 5186] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5186] close(4) = 0 [pid 5186] close(3) = 0 [pid 5186] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5185] <... futex resumed>) = 0 [pid 5185] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5185] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5186] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5185] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5185] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5185] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5185] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5186] <... mmap resumed>) = 0x20000000 [pid 5185] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5185] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5186] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5185] <... mprotect resumed>) = 0 [pid 5185] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[108], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 108 [pid 5185] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5185] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5186] <... futex resumed>) = 0 [pid 5186] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5187 attached [pid 5187] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5187] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5188 attached [pid 5188] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5185] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5185] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5185] close(3) = -1 EBADF (Bad file descriptor) [pid 5185] close(4) = -1 EBADF (Bad file descriptor) [pid 5185] close(5) = -1 EBADF (Bad file descriptor) [pid 5185] close(6) = -1 EBADF (Bad file descriptor) [pid 5185] close(7) = -1 EBADF (Bad file descriptor) [pid 5185] close(8) = -1 EBADF (Bad file descriptor) [pid 5185] close(9) = -1 EBADF (Bad file descriptor) [pid 5185] close(10) = -1 EBADF (Bad file descriptor) [pid 5185] close(11) = -1 EBADF (Bad file descriptor) [pid 5185] close(12) = -1 EBADF (Bad file descriptor) [pid 5185] close(13) = -1 EBADF (Bad file descriptor) [pid 5185] close(14) = -1 EBADF (Bad file descriptor) [pid 5185] close(15) = -1 EBADF (Bad file descriptor) [pid 5185] close(16) = -1 EBADF (Bad file descriptor) [pid 5185] close(17) = -1 EBADF (Bad file descriptor) [pid 5185] close(18) = -1 EBADF (Bad file descriptor) [pid 5185] close(19) = -1 EBADF (Bad file descriptor) [pid 5185] close(20) = -1 EBADF (Bad file descriptor) [pid 5185] close(21) = -1 EBADF (Bad file descriptor) [pid 5185] close(22) = -1 EBADF (Bad file descriptor) [pid 5185] close(23) = -1 EBADF (Bad file descriptor) [pid 5185] close(24) = -1 EBADF (Bad file descriptor) [pid 5185] close(25) = -1 EBADF (Bad file descriptor) [pid 5185] close(26) = -1 EBADF (Bad file descriptor) [pid 5185] close(27) = -1 EBADF (Bad file descriptor) [pid 5185] close(28) = -1 EBADF (Bad file descriptor) [pid 5185] close(29) = -1 EBADF (Bad file descriptor) [pid 5185] exit_group(0 [pid 5187] <... clone resumed>) = ? [pid 5186] <... futex resumed>) = ? [pid 5185] <... exit_group resumed>) = ? [pid 5187] +++ exited with 0 +++ [pid 5186] +++ exited with 0 +++ [pid 5185] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=106, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=68 /* 0.68 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 110 ./strace-static-x86_64: Process 5189 attached [pid 5189] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5189] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5189] setpgid(0, 0) = 0 [pid 5189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5189] write(3, "1000", 4) = 4 [pid 5189] close(3) = 0 [pid 5189] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5189] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5189] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5189] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[111], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 111 [pid 5189] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5189] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5190 attached [pid 5190] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5190] memfd_create("syzkaller", 0) = 3 [pid 5190] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5190] 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"..., 67108864 [pid 5188] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=109, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5190] <... write resumed>) = 67108864 [pid 5190] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5190] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5190] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5190] ioctl(4, LOOP_CLR_FD) = 0 [pid 5190] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5190] close(4) = 0 [pid 5190] close(3) = 0 [pid 5190] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5189] <... futex resumed>) = 0 [pid 5189] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5189] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5190] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5189] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5189] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5189] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5190] <... mmap resumed>) = 0x20000000 [pid 5189] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5189] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5190] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5189] <... mprotect resumed>) = 0 [pid 5189] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5190] <... futex resumed>) = 0 [pid 5190] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5189] <... clone resumed>, parent_tid=[112], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 112 [pid 5189] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5189] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5191 attached [pid 5191] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5191] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5192 attached [pid 5192] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5189] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5189] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5189] close(3) = -1 EBADF (Bad file descriptor) [pid 5189] close(4) = -1 EBADF (Bad file descriptor) [pid 5189] close(5) = -1 EBADF (Bad file descriptor) [pid 5189] close(6) = -1 EBADF (Bad file descriptor) [pid 5189] close(7) = -1 EBADF (Bad file descriptor) [pid 5189] close(8) = -1 EBADF (Bad file descriptor) [pid 5189] close(9) = -1 EBADF (Bad file descriptor) [pid 5189] close(10) = -1 EBADF (Bad file descriptor) [pid 5189] close(11) = -1 EBADF (Bad file descriptor) [pid 5189] close(12) = -1 EBADF (Bad file descriptor) [pid 5189] close(13) = -1 EBADF (Bad file descriptor) [pid 5189] close(14) = -1 EBADF (Bad file descriptor) [pid 5189] close(15) = -1 EBADF (Bad file descriptor) [pid 5189] close(16) = -1 EBADF (Bad file descriptor) [pid 5189] close(17) = -1 EBADF (Bad file descriptor) [pid 5189] close(18) = -1 EBADF (Bad file descriptor) [pid 5189] close(19) = -1 EBADF (Bad file descriptor) [pid 5189] close(20) = -1 EBADF (Bad file descriptor) [pid 5189] close(21) = -1 EBADF (Bad file descriptor) [pid 5189] close(22) = -1 EBADF (Bad file descriptor) [pid 5189] close(23) = -1 EBADF (Bad file descriptor) [pid 5189] close(24) = -1 EBADF (Bad file descriptor) [pid 5189] close(25) = -1 EBADF (Bad file descriptor) [pid 5189] close(26) = -1 EBADF (Bad file descriptor) [pid 5189] close(27) = -1 EBADF (Bad file descriptor) [pid 5189] close(28) = -1 EBADF (Bad file descriptor) [pid 5189] close(29) = -1 EBADF (Bad file descriptor) [pid 5189] exit_group(0 [pid 5191] <... clone resumed>) = ? [pid 5190] <... futex resumed>) = ? [pid 5189] <... exit_group resumed>) = ? [pid 5191] +++ exited with 0 +++ [pid 5190] +++ exited with 0 +++ [pid 5189] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=110, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=66 /* 0.66 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 114 ./strace-static-x86_64: Process 5193 attached [pid 5193] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5193] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5193] setpgid(0, 0) = 0 [pid 5193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5193] write(3, "1000", 4) = 4 [pid 5193] close(3) = 0 [pid 5193] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5193] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5193] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5193] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[115], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 115 [pid 5193] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5193] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5194 attached [pid 5194] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5194] memfd_create("syzkaller", 0) = 3 [pid 5194] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5192] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=113, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=40 /* 0.40 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5194] 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"..., 67108864) = 67108864 [pid 5194] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5194] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5194] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5194] ioctl(4, LOOP_CLR_FD) = 0 [pid 5194] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5194] close(4) = 0 [pid 5194] close(3) = 0 [pid 5194] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5193] <... futex resumed>) = 0 [pid 5193] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5193] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5194] <... futex resumed>) = 1 [pid 5194] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5193] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5193] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5193] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5193] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5193] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5193] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[116], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 116 [pid 5193] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5193] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5194] <... mmap resumed>) = 0x20000000 [pid 5194] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5194] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5195 attached [pid 5195] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5195] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5196 attached [pid 5196] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5193] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5193] close(3) = -1 EBADF (Bad file descriptor) [pid 5193] close(4) = -1 EBADF (Bad file descriptor) [pid 5193] close(5) = -1 EBADF (Bad file descriptor) [pid 5193] close(6) = -1 EBADF (Bad file descriptor) [pid 5193] close(7) = -1 EBADF (Bad file descriptor) [pid 5193] close(8) = -1 EBADF (Bad file descriptor) [pid 5193] close(9) = -1 EBADF (Bad file descriptor) [pid 5193] close(10) = -1 EBADF (Bad file descriptor) [pid 5193] close(11) = -1 EBADF (Bad file descriptor) [pid 5193] close(12) = -1 EBADF (Bad file descriptor) [pid 5193] close(13) = -1 EBADF (Bad file descriptor) [pid 5193] close(14) = -1 EBADF (Bad file descriptor) [pid 5193] close(15) = -1 EBADF (Bad file descriptor) [pid 5193] close(16) = -1 EBADF (Bad file descriptor) [pid 5193] close(17) = -1 EBADF (Bad file descriptor) [pid 5193] close(18) = -1 EBADF (Bad file descriptor) [pid 5193] close(19) = -1 EBADF (Bad file descriptor) [pid 5193] close(20) = -1 EBADF (Bad file descriptor) [pid 5193] close(21) = -1 EBADF (Bad file descriptor) [pid 5193] close(22) = -1 EBADF (Bad file descriptor) [pid 5193] close(23) = -1 EBADF (Bad file descriptor) [pid 5193] close(24) = -1 EBADF (Bad file descriptor) [pid 5193] close(25) = -1 EBADF (Bad file descriptor) [pid 5193] close(26) = -1 EBADF (Bad file descriptor) [pid 5193] close(27) = -1 EBADF (Bad file descriptor) [pid 5193] close(28) = -1 EBADF (Bad file descriptor) [pid 5193] close(29) = -1 EBADF (Bad file descriptor) [pid 5193] exit_group(0 [pid 5195] <... clone resumed>) = ? [pid 5194] <... futex resumed>) = ? [pid 5193] <... exit_group resumed>) = ? [pid 5195] +++ exited with 0 +++ [pid 5194] +++ exited with 0 +++ [pid 5193] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=114, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=70 /* 0.70 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 118 ./strace-static-x86_64: Process 5197 attached [pid 5197] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5197] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5197] setpgid(0, 0) = 0 [pid 5197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5197] write(3, "1000", 4) = 4 [pid 5197] close(3) = 0 [pid 5197] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5197] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5197] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5197] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[119], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 119 [pid 5197] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5197] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5198 attached [pid 5198] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5198] memfd_create("syzkaller", 0) = 3 [pid 5198] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5198] 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"..., 67108864 [pid 5196] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=117, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5198] <... write resumed>) = 67108864 [pid 5198] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5198] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5198] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5198] ioctl(4, LOOP_CLR_FD) = 0 [pid 5198] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5198] close(4) = 0 [pid 5198] close(3) = 0 [pid 5198] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5197] <... futex resumed>) = 0 [pid 5198] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5197] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5197] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5198] <... futex resumed>) = 0 [pid 5198] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5197] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5197] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5197] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5197] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5197] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[120], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 120 [pid 5197] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5197] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5198] <... mmap resumed>) = 0x20000000 [pid 5198] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5198] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5199 attached [pid 5199] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5199] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5200 attached [pid 5200] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5197] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5197] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5197] close(3) = -1 EBADF (Bad file descriptor) [pid 5197] close(4) = -1 EBADF (Bad file descriptor) [pid 5197] close(5) = -1 EBADF (Bad file descriptor) [pid 5197] close(6) = -1 EBADF (Bad file descriptor) [pid 5197] close(7) = -1 EBADF (Bad file descriptor) [pid 5197] close(8) = -1 EBADF (Bad file descriptor) [pid 5197] close(9) = -1 EBADF (Bad file descriptor) [pid 5197] close(10) = -1 EBADF (Bad file descriptor) [pid 5197] close(11) = -1 EBADF (Bad file descriptor) [pid 5197] close(12) = -1 EBADF (Bad file descriptor) [pid 5197] close(13) = -1 EBADF (Bad file descriptor) [pid 5197] close(14) = -1 EBADF (Bad file descriptor) [pid 5197] close(15) = -1 EBADF (Bad file descriptor) [pid 5197] close(16) = -1 EBADF (Bad file descriptor) [pid 5197] close(17) = -1 EBADF (Bad file descriptor) [pid 5197] close(18) = -1 EBADF (Bad file descriptor) [pid 5197] close(19) = -1 EBADF (Bad file descriptor) [pid 5197] close(20) = -1 EBADF (Bad file descriptor) [pid 5197] close(21) = -1 EBADF (Bad file descriptor) [pid 5197] close(22) = -1 EBADF (Bad file descriptor) [pid 5197] close(23) = -1 EBADF (Bad file descriptor) [pid 5197] close(24) = -1 EBADF (Bad file descriptor) [pid 5197] close(25) = -1 EBADF (Bad file descriptor) [pid 5197] close(26) = -1 EBADF (Bad file descriptor) [pid 5197] close(27) = -1 EBADF (Bad file descriptor) [pid 5197] close(28) = -1 EBADF (Bad file descriptor) [pid 5197] close(29) = -1 EBADF (Bad file descriptor) [pid 5197] exit_group(0) = ? [pid 5199] <... clone resumed>) = ? [pid 5198] <... futex resumed>) = ? [pid 5199] +++ exited with 0 +++ [pid 5198] +++ exited with 0 +++ [pid 5197] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=118, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=73 /* 0.73 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 122 ./strace-static-x86_64: Process 5201 attached [pid 5201] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5201] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5201] setpgid(0, 0) = 0 [pid 5201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5201] write(3, "1000", 4) = 4 [pid 5201] close(3) = 0 [pid 5201] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5201] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5201] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5201] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[123], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 123 [pid 5201] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5201] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5202 attached [pid 5202] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5202] memfd_create("syzkaller", 0) = 3 [pid 5202] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5202] 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"..., 67108864 [pid 5200] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=121, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5202] <... write resumed>) = 67108864 [pid 5202] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5202] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5202] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5202] ioctl(4, LOOP_CLR_FD) = 0 [pid 5202] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5202] close(4) = 0 [pid 5202] close(3) = 0 [pid 5202] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5201] <... futex resumed>) = 0 [pid 5201] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5201] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5202] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5201] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5201] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5201] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5201] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5202] <... mmap resumed>) = 0x20000000 [pid 5201] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5201] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5201] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5202] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5201] <... clone resumed>, parent_tid=[124], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 124 [pid 5201] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5201] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5202] <... futex resumed>) = 0 [pid 5202] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5203 attached [pid 5203] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5203] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5204 attached [pid 5204] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5201] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5201] close(3) = -1 EBADF (Bad file descriptor) [pid 5201] close(4) = -1 EBADF (Bad file descriptor) [pid 5201] close(5) = -1 EBADF (Bad file descriptor) [pid 5201] close(6) = -1 EBADF (Bad file descriptor) [pid 5201] close(7) = -1 EBADF (Bad file descriptor) [pid 5201] close(8) = -1 EBADF (Bad file descriptor) [pid 5201] close(9) = -1 EBADF (Bad file descriptor) [pid 5201] close(10) = -1 EBADF (Bad file descriptor) [pid 5201] close(11) = -1 EBADF (Bad file descriptor) [pid 5201] close(12) = -1 EBADF (Bad file descriptor) [pid 5201] close(13) = -1 EBADF (Bad file descriptor) [pid 5201] close(14) = -1 EBADF (Bad file descriptor) [pid 5201] close(15) = -1 EBADF (Bad file descriptor) [pid 5201] close(16) = -1 EBADF (Bad file descriptor) [pid 5201] close(17) = -1 EBADF (Bad file descriptor) [pid 5201] close(18) = -1 EBADF (Bad file descriptor) [pid 5201] close(19) = -1 EBADF (Bad file descriptor) [pid 5201] close(20) = -1 EBADF (Bad file descriptor) [pid 5201] close(21) = -1 EBADF (Bad file descriptor) [pid 5201] close(22) = -1 EBADF (Bad file descriptor) [pid 5201] close(23) = -1 EBADF (Bad file descriptor) [pid 5201] close(24) = -1 EBADF (Bad file descriptor) [pid 5201] close(25) = -1 EBADF (Bad file descriptor) [pid 5201] close(26) = -1 EBADF (Bad file descriptor) [pid 5201] close(27) = -1 EBADF (Bad file descriptor) [pid 5201] close(28) = -1 EBADF (Bad file descriptor) [pid 5201] close(29) = -1 EBADF (Bad file descriptor) [pid 5201] exit_group(0 [pid 5203] <... clone resumed>) = ? [pid 5202] <... futex resumed>) = ? [pid 5201] <... exit_group resumed>) = ? [pid 5203] +++ exited with 0 +++ [pid 5202] +++ exited with 0 +++ [pid 5201] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=122, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=70 /* 0.70 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 126 ./strace-static-x86_64: Process 5205 attached [pid 5205] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5205] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5205] setpgid(0, 0) = 0 [pid 5205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5205] write(3, "1000", 4) = 4 [pid 5205] close(3) = 0 [pid 5205] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5205] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5205] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5205] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[127], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 127 [pid 5205] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5205] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5206 attached [pid 5206] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5206] memfd_create("syzkaller", 0) = 3 [pid 5206] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5206] 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"..., 67108864 [pid 5204] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=125, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5206] <... write resumed>) = 67108864 [pid 5206] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5206] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5206] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5206] ioctl(4, LOOP_CLR_FD) = 0 [pid 5206] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5206] close(4) = 0 [pid 5206] close(3) = 0 [pid 5206] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5205] <... futex resumed>) = 0 [pid 5206] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5205] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5205] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5205] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5205] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5206] <... mmap resumed>) = 0x20000000 [pid 5205] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5205] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5206] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5205] <... mprotect resumed>) = 0 [pid 5206] <... futex resumed>) = 0 [pid 5206] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5205] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[128], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 128 [pid 5205] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5205] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5207 attached [pid 5207] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5207] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5208 attached [pid 5208] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5205] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5205] close(3) = -1 EBADF (Bad file descriptor) [pid 5205] close(4) = -1 EBADF (Bad file descriptor) [pid 5205] close(5) = -1 EBADF (Bad file descriptor) [pid 5205] close(6) = -1 EBADF (Bad file descriptor) [pid 5205] close(7) = -1 EBADF (Bad file descriptor) [pid 5205] close(8) = -1 EBADF (Bad file descriptor) [pid 5205] close(9) = -1 EBADF (Bad file descriptor) [pid 5205] close(10) = -1 EBADF (Bad file descriptor) [pid 5205] close(11) = -1 EBADF (Bad file descriptor) [pid 5205] close(12) = -1 EBADF (Bad file descriptor) [pid 5205] close(13) = -1 EBADF (Bad file descriptor) [pid 5205] close(14) = -1 EBADF (Bad file descriptor) [pid 5205] close(15) = -1 EBADF (Bad file descriptor) [pid 5205] close(16) = -1 EBADF (Bad file descriptor) [pid 5205] close(17) = -1 EBADF (Bad file descriptor) [pid 5205] close(18) = -1 EBADF (Bad file descriptor) [pid 5205] close(19) = -1 EBADF (Bad file descriptor) [pid 5205] close(20) = -1 EBADF (Bad file descriptor) [pid 5205] close(21) = -1 EBADF (Bad file descriptor) [pid 5205] close(22) = -1 EBADF (Bad file descriptor) [pid 5205] close(23) = -1 EBADF (Bad file descriptor) [pid 5205] close(24) = -1 EBADF (Bad file descriptor) [pid 5205] close(25) = -1 EBADF (Bad file descriptor) [pid 5205] close(26) = -1 EBADF (Bad file descriptor) [pid 5205] close(27) = -1 EBADF (Bad file descriptor) [pid 5205] close(28) = -1 EBADF (Bad file descriptor) [pid 5205] close(29) = -1 EBADF (Bad file descriptor) [pid 5205] exit_group(0 [pid 5207] <... clone resumed>) = ? [pid 5206] <... futex resumed>) = ? [pid 5205] <... exit_group resumed>) = ? [pid 5207] +++ exited with 0 +++ [pid 5206] +++ exited with 0 +++ [pid 5205] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=126, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=71 /* 0.71 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 130 ./strace-static-x86_64: Process 5209 attached [pid 5209] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5209] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5209] setpgid(0, 0) = 0 [pid 5209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5209] write(3, "1000", 4) = 4 [pid 5209] close(3) = 0 [pid 5209] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5209] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5209] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5209] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[131], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 131 [pid 5209] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5209] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5210 attached [pid 5210] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5210] memfd_create("syzkaller", 0) = 3 [pid 5210] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5208] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=129, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=40 /* 0.40 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5210] 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"..., 67108864) = 67108864 [pid 5210] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5210] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5210] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5210] ioctl(4, LOOP_CLR_FD) = 0 [pid 5210] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5210] close(4) = 0 [pid 5210] close(3) = 0 [pid 5210] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5209] <... futex resumed>) = 0 [pid 5209] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5209] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5210] <... futex resumed>) = 1 [pid 5210] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5209] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5209] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5209] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5209] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5209] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5209] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[132], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 132 [pid 5209] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5209] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5210] <... mmap resumed>) = 0x20000000 [pid 5210] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5210] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5213 attached [pid 5213] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5213] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5214 attached [pid 5214] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5209] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5209] close(3) = -1 EBADF (Bad file descriptor) [pid 5209] close(4) = -1 EBADF (Bad file descriptor) [pid 5209] close(5) = -1 EBADF (Bad file descriptor) [pid 5209] close(6) = -1 EBADF (Bad file descriptor) [pid 5209] close(7) = -1 EBADF (Bad file descriptor) [pid 5209] close(8) = -1 EBADF (Bad file descriptor) [pid 5209] close(9) = -1 EBADF (Bad file descriptor) [pid 5209] close(10) = -1 EBADF (Bad file descriptor) [pid 5209] close(11) = -1 EBADF (Bad file descriptor) [pid 5209] close(12) = -1 EBADF (Bad file descriptor) [pid 5209] close(13) = -1 EBADF (Bad file descriptor) [pid 5209] close(14) = -1 EBADF (Bad file descriptor) [pid 5209] close(15) = -1 EBADF (Bad file descriptor) [pid 5209] close(16) = -1 EBADF (Bad file descriptor) [pid 5209] close(17) = -1 EBADF (Bad file descriptor) [pid 5209] close(18) = -1 EBADF (Bad file descriptor) [pid 5209] close(19) = -1 EBADF (Bad file descriptor) [pid 5209] close(20) = -1 EBADF (Bad file descriptor) [pid 5209] close(21) = -1 EBADF (Bad file descriptor) [pid 5209] close(22) = -1 EBADF (Bad file descriptor) [pid 5209] close(23) = -1 EBADF (Bad file descriptor) [pid 5209] close(24) = -1 EBADF (Bad file descriptor) [pid 5209] close(25) = -1 EBADF (Bad file descriptor) [pid 5209] close(26) = -1 EBADF (Bad file descriptor) [pid 5209] close(27) = -1 EBADF (Bad file descriptor) [pid 5209] close(28) = -1 EBADF (Bad file descriptor) [pid 5209] close(29) = -1 EBADF (Bad file descriptor) [pid 5209] exit_group(0 [pid 5213] <... clone resumed>) = ? [pid 5210] <... futex resumed>) = ? [pid 5209] <... exit_group resumed>) = ? [pid 5213] +++ exited with 0 +++ [pid 5210] +++ exited with 0 +++ [pid 5209] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=130, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=69 /* 0.69 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 134 ./strace-static-x86_64: Process 5215 attached [pid 5215] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5215] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5215] setpgid(0, 0) = 0 [pid 5215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5215] write(3, "1000", 4) = 4 [pid 5215] close(3) = 0 [pid 5215] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5215] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5215] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5215] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[135], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 135 [pid 5215] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5215] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5216 attached [pid 5216] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5216] memfd_create("syzkaller", 0) = 3 [pid 5216] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5216] 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"..., 67108864 [pid 5214] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=133, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=45 /* 0.45 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5216] <... write resumed>) = 67108864 [pid 5216] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5216] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5216] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5216] ioctl(4, LOOP_CLR_FD) = 0 [pid 5216] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5216] close(4) = 0 [pid 5216] close(3) = 0 [pid 5216] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5215] <... futex resumed>) = 0 [pid 5215] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5215] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5216] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5215] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5215] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5215] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5215] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5216] <... mmap resumed>) = 0x20000000 [pid 5215] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5215] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5215] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5216] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5215] <... clone resumed>, parent_tid=[136], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 136 [pid 5215] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5215] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5216] <... futex resumed>) = 0 [pid 5216] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5221 attached [pid 5221] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5221] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5222 attached [pid 5222] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5215] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5215] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5215] close(3) = -1 EBADF (Bad file descriptor) [pid 5215] close(4) = -1 EBADF (Bad file descriptor) [pid 5215] close(5) = -1 EBADF (Bad file descriptor) [pid 5215] close(6) = -1 EBADF (Bad file descriptor) [pid 5215] close(7) = -1 EBADF (Bad file descriptor) [pid 5215] close(8) = -1 EBADF (Bad file descriptor) [pid 5215] close(9) = -1 EBADF (Bad file descriptor) [pid 5215] close(10) = -1 EBADF (Bad file descriptor) [pid 5215] close(11) = -1 EBADF (Bad file descriptor) [pid 5215] close(12) = -1 EBADF (Bad file descriptor) [pid 5215] close(13) = -1 EBADF (Bad file descriptor) [pid 5215] close(14) = -1 EBADF (Bad file descriptor) [pid 5215] close(15) = -1 EBADF (Bad file descriptor) [pid 5215] close(16) = -1 EBADF (Bad file descriptor) [pid 5215] close(17) = -1 EBADF (Bad file descriptor) [pid 5215] close(18) = -1 EBADF (Bad file descriptor) [pid 5215] close(19) = -1 EBADF (Bad file descriptor) [pid 5215] close(20) = -1 EBADF (Bad file descriptor) [pid 5215] close(21) = -1 EBADF (Bad file descriptor) [pid 5215] close(22) = -1 EBADF (Bad file descriptor) [pid 5215] close(23) = -1 EBADF (Bad file descriptor) [pid 5215] close(24) = -1 EBADF (Bad file descriptor) [pid 5215] close(25) = -1 EBADF (Bad file descriptor) [pid 5215] close(26) = -1 EBADF (Bad file descriptor) [pid 5215] close(27) = -1 EBADF (Bad file descriptor) [pid 5215] close(28) = -1 EBADF (Bad file descriptor) [pid 5215] close(29) = -1 EBADF (Bad file descriptor) [pid 5215] exit_group(0 [pid 5221] <... clone resumed>) = ? [pid 5216] <... futex resumed>) = ? [pid 5215] <... exit_group resumed>) = ? [pid 5221] +++ exited with 0 +++ [pid 5216] +++ exited with 0 +++ [pid 5215] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=134, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=64 /* 0.64 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 138 ./strace-static-x86_64: Process 5223 attached [pid 5223] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5223] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5223] setpgid(0, 0) = 0 [pid 5223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5223] write(3, "1000", 4) = 4 [pid 5223] close(3) = 0 [pid 5223] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5223] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5223] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5223] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[139], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 139 [pid 5223] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5223] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5224 attached [pid 5224] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5224] memfd_create("syzkaller", 0) = 3 [pid 5224] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5222] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=137, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5224] 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"..., 67108864) = 67108864 [pid 5224] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5224] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5224] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5224] ioctl(4, LOOP_CLR_FD) = 0 [pid 5224] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5224] close(4) = 0 [pid 5224] close(3) = 0 [pid 5224] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5223] <... futex resumed>) = 0 [pid 5223] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5223] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5223] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5223] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5223] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5223] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5224] <... mmap resumed>) = 0x20000000 [pid 5223] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5223] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5224] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5223] <... mprotect resumed>) = 0 [pid 5223] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[140], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 140 [pid 5223] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5223] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5224] <... futex resumed>) = 0 [pid 5224] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5225 attached [pid 5225] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5225] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5226 attached [pid 5226] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5223] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5223] close(3) = -1 EBADF (Bad file descriptor) [pid 5223] close(4) = -1 EBADF (Bad file descriptor) [pid 5223] close(5) = -1 EBADF (Bad file descriptor) [pid 5223] close(6) = -1 EBADF (Bad file descriptor) [pid 5223] close(7) = -1 EBADF (Bad file descriptor) [pid 5223] close(8) = -1 EBADF (Bad file descriptor) [pid 5223] close(9) = -1 EBADF (Bad file descriptor) [pid 5223] close(10) = -1 EBADF (Bad file descriptor) [pid 5223] close(11) = -1 EBADF (Bad file descriptor) [pid 5223] close(12) = -1 EBADF (Bad file descriptor) [pid 5223] close(13) = -1 EBADF (Bad file descriptor) [pid 5223] close(14) = -1 EBADF (Bad file descriptor) [pid 5223] close(15) = -1 EBADF (Bad file descriptor) [pid 5223] close(16) = -1 EBADF (Bad file descriptor) [pid 5223] close(17) = -1 EBADF (Bad file descriptor) [pid 5223] close(18) = -1 EBADF (Bad file descriptor) [pid 5223] close(19) = -1 EBADF (Bad file descriptor) [pid 5223] close(20) = -1 EBADF (Bad file descriptor) [pid 5223] close(21) = -1 EBADF (Bad file descriptor) [pid 5223] close(22) = -1 EBADF (Bad file descriptor) [pid 5223] close(23) = -1 EBADF (Bad file descriptor) [pid 5223] close(24) = -1 EBADF (Bad file descriptor) [pid 5223] close(25) = -1 EBADF (Bad file descriptor) [pid 5223] close(26) = -1 EBADF (Bad file descriptor) [pid 5223] close(27) = -1 EBADF (Bad file descriptor) [pid 5223] close(28) = -1 EBADF (Bad file descriptor) [pid 5223] close(29) = -1 EBADF (Bad file descriptor) [pid 5223] exit_group(0 [pid 5225] <... clone resumed>) = ? [pid 5224] <... futex resumed>) = ? [pid 5223] <... exit_group resumed>) = ? [pid 5225] +++ exited with 0 +++ [pid 5224] +++ exited with 0 +++ [pid 5223] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=138, si_uid=0, si_status=0, si_utime=23 /* 0.23 s */, si_stime=66 /* 0.66 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 142 ./strace-static-x86_64: Process 5227 attached [pid 5227] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5227] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5227] setpgid(0, 0) = 0 [pid 5227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5227] write(3, "1000", 4) = 4 [pid 5227] close(3) = 0 [pid 5227] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5227] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5227] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5227] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[143], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 143 [pid 5227] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5227] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5228 attached [pid 5228] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5228] memfd_create("syzkaller", 0) = 3 [pid 5228] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5226] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=141, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=30 /* 0.30 s */} --- [pid 5228] 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"..., 67108864) = 67108864 [pid 5228] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5228] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5228] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5228] ioctl(4, LOOP_CLR_FD) = 0 [pid 5228] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5228] close(4) = 0 [pid 5228] close(3) = 0 [pid 5228] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5227] <... futex resumed>) = 0 [pid 5227] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5227] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5228] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5227] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5227] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5227] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5227] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5228] <... mmap resumed>) = 0x20000000 [pid 5227] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5227] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5228] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5227] <... mprotect resumed>) = 0 [pid 5227] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5228] <... futex resumed>) = 0 [pid 5227] <... clone resumed>, parent_tid=[144], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 144 [pid 5227] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5227] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5228] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5229 attached [pid 5229] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5229] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5230 attached [pid 5230] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5227] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5227] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5227] close(3) = -1 EBADF (Bad file descriptor) [pid 5227] close(4) = -1 EBADF (Bad file descriptor) [pid 5227] close(5) = -1 EBADF (Bad file descriptor) [pid 5227] close(6) = -1 EBADF (Bad file descriptor) [pid 5227] close(7) = -1 EBADF (Bad file descriptor) [pid 5227] close(8) = -1 EBADF (Bad file descriptor) [pid 5227] close(9) = -1 EBADF (Bad file descriptor) [pid 5227] close(10) = -1 EBADF (Bad file descriptor) [pid 5227] close(11) = -1 EBADF (Bad file descriptor) [pid 5227] close(12) = -1 EBADF (Bad file descriptor) [pid 5227] close(13) = -1 EBADF (Bad file descriptor) [pid 5227] close(14) = -1 EBADF (Bad file descriptor) [pid 5227] close(15) = -1 EBADF (Bad file descriptor) [pid 5227] close(16) = -1 EBADF (Bad file descriptor) [pid 5227] close(17) = -1 EBADF (Bad file descriptor) [pid 5227] close(18) = -1 EBADF (Bad file descriptor) [pid 5227] close(19) = -1 EBADF (Bad file descriptor) [pid 5227] close(20) = -1 EBADF (Bad file descriptor) [pid 5227] close(21) = -1 EBADF (Bad file descriptor) [pid 5227] close(22) = -1 EBADF (Bad file descriptor) [pid 5227] close(23) = -1 EBADF (Bad file descriptor) [pid 5227] close(24) = -1 EBADF (Bad file descriptor) [pid 5227] close(25) = -1 EBADF (Bad file descriptor) [pid 5227] close(26) = -1 EBADF (Bad file descriptor) [pid 5227] close(27) = -1 EBADF (Bad file descriptor) [pid 5227] close(28) = -1 EBADF (Bad file descriptor) [pid 5227] close(29) = -1 EBADF (Bad file descriptor) [pid 5227] exit_group(0 [pid 5229] <... clone resumed>) = ? [pid 5228] <... futex resumed>) = ? [pid 5227] <... exit_group resumed>) = ? [pid 5229] +++ exited with 0 +++ [pid 5228] +++ exited with 0 +++ [pid 5227] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=142, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=71 /* 0.71 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 146 ./strace-static-x86_64: Process 5231 attached [pid 5231] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5231] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5231] setpgid(0, 0) = 0 [pid 5231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5231] write(3, "1000", 4) = 4 [pid 5231] close(3) = 0 [pid 5231] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5231] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5231] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5231] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[147], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 147 [pid 5231] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5231] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5232 attached [pid 5232] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5232] memfd_create("syzkaller", 0) = 3 [pid 5232] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5232] 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"..., 67108864 [pid 5230] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=145, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5232] <... write resumed>) = 67108864 [pid 5232] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5232] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5232] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5232] ioctl(4, LOOP_CLR_FD) = 0 [pid 5232] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5232] close(4) = 0 [pid 5232] close(3) = 0 [pid 5232] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5231] <... futex resumed>) = 0 [pid 5231] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5231] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5232] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5231] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5231] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5231] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5231] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5232] <... mmap resumed>) = 0x20000000 [pid 5231] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5231] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5232] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5231] <... mprotect resumed>) = 0 [pid 5231] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5232] <... futex resumed>) = 0 [pid 5231] <... clone resumed>, parent_tid=[148], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 148 [pid 5231] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5231] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5232] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5233 attached [pid 5233] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5233] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5234 attached [pid 5234] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5231] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5231] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5231] close(3) = -1 EBADF (Bad file descriptor) [pid 5231] close(4) = -1 EBADF (Bad file descriptor) [pid 5231] close(5) = -1 EBADF (Bad file descriptor) [pid 5231] close(6) = -1 EBADF (Bad file descriptor) [pid 5231] close(7) = -1 EBADF (Bad file descriptor) [pid 5231] close(8) = -1 EBADF (Bad file descriptor) [pid 5231] close(9) = -1 EBADF (Bad file descriptor) [pid 5231] close(10) = -1 EBADF (Bad file descriptor) [pid 5231] close(11) = -1 EBADF (Bad file descriptor) [pid 5231] close(12) = -1 EBADF (Bad file descriptor) [pid 5231] close(13) = -1 EBADF (Bad file descriptor) [pid 5231] close(14) = -1 EBADF (Bad file descriptor) [pid 5231] close(15) = -1 EBADF (Bad file descriptor) [pid 5231] close(16) = -1 EBADF (Bad file descriptor) [pid 5231] close(17) = -1 EBADF (Bad file descriptor) [pid 5231] close(18) = -1 EBADF (Bad file descriptor) [pid 5231] close(19) = -1 EBADF (Bad file descriptor) [pid 5231] close(20) = -1 EBADF (Bad file descriptor) [pid 5231] close(21) = -1 EBADF (Bad file descriptor) [pid 5231] close(22) = -1 EBADF (Bad file descriptor) [pid 5231] close(23) = -1 EBADF (Bad file descriptor) [pid 5231] close(24) = -1 EBADF (Bad file descriptor) [pid 5231] close(25) = -1 EBADF (Bad file descriptor) [pid 5231] close(26) = -1 EBADF (Bad file descriptor) [pid 5231] close(27) = -1 EBADF (Bad file descriptor) [pid 5231] close(28) = -1 EBADF (Bad file descriptor) [pid 5231] close(29) = -1 EBADF (Bad file descriptor) [pid 5231] exit_group(0 [pid 5233] <... clone resumed>) = ? [pid 5232] <... futex resumed>) = ? [pid 5231] <... exit_group resumed>) = ? [pid 5233] +++ exited with 0 +++ [pid 5232] +++ exited with 0 +++ [pid 5231] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=146, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=70 /* 0.70 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 150 ./strace-static-x86_64: Process 5235 attached [pid 5235] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5235] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5235] setpgid(0, 0) = 0 [pid 5235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5235] write(3, "1000", 4) = 4 [pid 5235] close(3) = 0 [pid 5235] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5235] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5235] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5235] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[151], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 151 [pid 5235] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5235] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5236 attached [pid 5236] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5236] memfd_create("syzkaller", 0) = 3 [pid 5236] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5234] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=149, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=34 /* 0.34 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5236] 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"..., 67108864) = 67108864 [pid 5236] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5236] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5236] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5236] ioctl(4, LOOP_CLR_FD) = 0 [pid 5236] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5236] close(4) = 0 [pid 5236] close(3) = 0 [pid 5236] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5235] <... futex resumed>) = 0 [pid 5235] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5235] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5236] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5235] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5235] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5235] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5235] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5236] <... mmap resumed>) = 0x20000000 [pid 5235] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5235] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5236] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5235] <... mprotect resumed>) = 0 [pid 5235] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[152], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 152 [pid 5235] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5235] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5236] <... futex resumed>) = 0 [pid 5236] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5237 attached [pid 5237] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5237] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5238 attached [pid 5238] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5235] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5235] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5235] close(3) = -1 EBADF (Bad file descriptor) [pid 5235] close(4) = -1 EBADF (Bad file descriptor) [pid 5235] close(5) = -1 EBADF (Bad file descriptor) [pid 5235] close(6) = -1 EBADF (Bad file descriptor) [pid 5235] close(7) = -1 EBADF (Bad file descriptor) [pid 5235] close(8) = -1 EBADF (Bad file descriptor) [pid 5235] close(9) = -1 EBADF (Bad file descriptor) [pid 5235] close(10) = -1 EBADF (Bad file descriptor) [pid 5235] close(11) = -1 EBADF (Bad file descriptor) [pid 5235] close(12) = -1 EBADF (Bad file descriptor) [pid 5235] close(13) = -1 EBADF (Bad file descriptor) [pid 5235] close(14) = -1 EBADF (Bad file descriptor) [pid 5235] close(15) = -1 EBADF (Bad file descriptor) [pid 5235] close(16) = -1 EBADF (Bad file descriptor) [pid 5235] close(17) = -1 EBADF (Bad file descriptor) [pid 5235] close(18) = -1 EBADF (Bad file descriptor) [pid 5235] close(19) = -1 EBADF (Bad file descriptor) [pid 5235] close(20) = -1 EBADF (Bad file descriptor) [pid 5235] close(21) = -1 EBADF (Bad file descriptor) [pid 5235] close(22) = -1 EBADF (Bad file descriptor) [pid 5235] close(23) = -1 EBADF (Bad file descriptor) [pid 5235] close(24) = -1 EBADF (Bad file descriptor) [pid 5235] close(25) = -1 EBADF (Bad file descriptor) [pid 5235] close(26) = -1 EBADF (Bad file descriptor) [pid 5235] close(27) = -1 EBADF (Bad file descriptor) [pid 5235] close(28) = -1 EBADF (Bad file descriptor) [pid 5235] close(29) = -1 EBADF (Bad file descriptor) [pid 5235] exit_group(0 [pid 5237] <... clone resumed>) = ? [pid 5236] <... futex resumed>) = ? [pid 5235] <... exit_group resumed>) = ? [pid 5237] +++ exited with 0 +++ [pid 5236] +++ exited with 0 +++ [pid 5235] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=150, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=72 /* 0.72 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 154 ./strace-static-x86_64: Process 5239 attached [pid 5239] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5239] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5239] setpgid(0, 0) = 0 [pid 5239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5239] write(3, "1000", 4) = 4 [pid 5239] close(3) = 0 [pid 5239] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5239] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5239] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5239] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[155], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 155 [pid 5239] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5239] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5240 attached [pid 5240] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5240] memfd_create("syzkaller", 0) = 3 [pid 5240] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5238] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=153, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5240] 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"..., 67108864) = 67108864 [pid 5240] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5240] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5240] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5240] ioctl(4, LOOP_CLR_FD) = 0 [pid 5240] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5240] close(4) = 0 [pid 5240] close(3) = 0 [pid 5240] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5239] <... futex resumed>) = 0 [pid 5239] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5239] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5240] <... futex resumed>) = 1 [pid 5240] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5239] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5239] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5239] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5239] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5239] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5240] <... mmap resumed>) = 0x20000000 [pid 5239] <... clone resumed>, parent_tid=[156], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 156 [pid 5239] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5239] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5240] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5240] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5241 attached [pid 5241] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5241] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5242 attached [pid 5242] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5239] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5239] close(3) = -1 EBADF (Bad file descriptor) [pid 5239] close(4) = -1 EBADF (Bad file descriptor) [pid 5239] close(5) = -1 EBADF (Bad file descriptor) [pid 5239] close(6) = -1 EBADF (Bad file descriptor) [pid 5239] close(7) = -1 EBADF (Bad file descriptor) [pid 5239] close(8) = -1 EBADF (Bad file descriptor) [pid 5239] close(9) = -1 EBADF (Bad file descriptor) [pid 5239] close(10) = -1 EBADF (Bad file descriptor) [pid 5239] close(11) = -1 EBADF (Bad file descriptor) [pid 5239] close(12) = -1 EBADF (Bad file descriptor) [pid 5239] close(13) = -1 EBADF (Bad file descriptor) [pid 5239] close(14) = -1 EBADF (Bad file descriptor) [pid 5239] close(15) = -1 EBADF (Bad file descriptor) [pid 5239] close(16) = -1 EBADF (Bad file descriptor) [pid 5239] close(17) = -1 EBADF (Bad file descriptor) [pid 5239] close(18) = -1 EBADF (Bad file descriptor) [pid 5239] close(19) = -1 EBADF (Bad file descriptor) [pid 5239] close(20) = -1 EBADF (Bad file descriptor) [pid 5239] close(21) = -1 EBADF (Bad file descriptor) [pid 5239] close(22) = -1 EBADF (Bad file descriptor) [pid 5239] close(23) = -1 EBADF (Bad file descriptor) [pid 5239] close(24) = -1 EBADF (Bad file descriptor) [pid 5239] close(25) = -1 EBADF (Bad file descriptor) [pid 5239] close(26) = -1 EBADF (Bad file descriptor) [pid 5239] close(27) = -1 EBADF (Bad file descriptor) [pid 5239] close(28) = -1 EBADF (Bad file descriptor) [pid 5239] close(29) = -1 EBADF (Bad file descriptor) [pid 5239] exit_group(0 [pid 5240] <... futex resumed>) = ? [pid 5239] <... exit_group resumed>) = ? [pid 5241] <... clone resumed>) = ? [pid 5240] +++ exited with 0 +++ [pid 5241] +++ exited with 0 +++ [pid 5239] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=154, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=68 /* 0.68 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 158 ./strace-static-x86_64: Process 5243 attached [pid 5243] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5243] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5243] setpgid(0, 0) = 0 [pid 5243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5243] write(3, "1000", 4) = 4 [pid 5243] close(3) = 0 [pid 5243] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5243] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5243] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5243] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[159], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 159 [pid 5243] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5243] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5244 attached [pid 5244] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5244] memfd_create("syzkaller", 0) = 3 [pid 5244] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5242] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=157, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5244] 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"..., 67108864) = 67108864 [pid 5244] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5244] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5244] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5244] ioctl(4, LOOP_CLR_FD) = 0 [pid 5244] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5244] close(4) = 0 [pid 5244] close(3) = 0 [pid 5244] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5243] <... futex resumed>) = 0 [pid 5243] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5243] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5244] <... futex resumed>) = 1 [pid 5244] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5243] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5243] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5243] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5243] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5243] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[160], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 160 [pid 5243] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5243] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5244] <... mmap resumed>) = 0x20000000 [pid 5244] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5244] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5245 attached [pid 5245] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5245] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5246 attached [pid 5246] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5243] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5243] close(3) = -1 EBADF (Bad file descriptor) [pid 5243] close(4) = -1 EBADF (Bad file descriptor) [pid 5243] close(5) = -1 EBADF (Bad file descriptor) [pid 5243] close(6) = -1 EBADF (Bad file descriptor) [pid 5243] close(7) = -1 EBADF (Bad file descriptor) [pid 5243] close(8) = -1 EBADF (Bad file descriptor) [pid 5243] close(9) = -1 EBADF (Bad file descriptor) [pid 5243] close(10) = -1 EBADF (Bad file descriptor) [pid 5243] close(11) = -1 EBADF (Bad file descriptor) [pid 5243] close(12) = -1 EBADF (Bad file descriptor) [pid 5243] close(13) = -1 EBADF (Bad file descriptor) [pid 5243] close(14) = -1 EBADF (Bad file descriptor) [pid 5243] close(15) = -1 EBADF (Bad file descriptor) [pid 5243] close(16) = -1 EBADF (Bad file descriptor) [pid 5243] close(17) = -1 EBADF (Bad file descriptor) [pid 5243] close(18) = -1 EBADF (Bad file descriptor) [pid 5243] close(19) = -1 EBADF (Bad file descriptor) [pid 5243] close(20) = -1 EBADF (Bad file descriptor) [pid 5243] close(21) = -1 EBADF (Bad file descriptor) [pid 5243] close(22) = -1 EBADF (Bad file descriptor) [pid 5243] close(23) = -1 EBADF (Bad file descriptor) [pid 5243] close(24) = -1 EBADF (Bad file descriptor) [pid 5243] close(25) = -1 EBADF (Bad file descriptor) [pid 5243] close(26) = -1 EBADF (Bad file descriptor) [pid 5243] close(27) = -1 EBADF (Bad file descriptor) [pid 5243] close(28) = -1 EBADF (Bad file descriptor) [pid 5243] close(29) = -1 EBADF (Bad file descriptor) [pid 5243] exit_group(0 [pid 5245] <... clone resumed>) = ? [pid 5244] <... futex resumed>) = ? [pid 5243] <... exit_group resumed>) = ? [pid 5245] +++ exited with 0 +++ [pid 5244] +++ exited with 0 +++ [pid 5243] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=158, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=69 /* 0.69 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5247 attached , child_tidptr=0x55555691f5d0) = 162 [pid 5247] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5247] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5247] setpgid(0, 0) = 0 [pid 5247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5247] write(3, "1000", 4) = 4 [pid 5247] close(3) = 0 [pid 5247] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5247] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5247] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5247] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[163], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 163 [pid 5247] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5247] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5248 attached [pid 5248] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5248] memfd_create("syzkaller", 0) = 3 [pid 5248] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5246] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=161, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=42 /* 0.42 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5248] 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"..., 67108864) = 67108864 [pid 5248] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5248] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5248] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5248] ioctl(4, LOOP_CLR_FD) = 0 [pid 5248] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5248] close(4) = 0 [pid 5248] close(3) = 0 [pid 5248] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5247] <... futex resumed>) = 0 [pid 5247] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5248] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5247] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5247] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5247] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5247] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5248] <... mmap resumed>) = 0x20000000 [pid 5248] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5247] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5248] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5247] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5247] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5249 attached , parent_tid=[164], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 164 [pid 5247] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5247] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5249] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5249] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5250 attached [pid 5250] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5247] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5247] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5247] close(3) = -1 EBADF (Bad file descriptor) [pid 5247] close(4) = -1 EBADF (Bad file descriptor) [pid 5247] close(5) = -1 EBADF (Bad file descriptor) [pid 5247] close(6) = -1 EBADF (Bad file descriptor) [pid 5247] close(7) = -1 EBADF (Bad file descriptor) [pid 5247] close(8) = -1 EBADF (Bad file descriptor) [pid 5247] close(9) = -1 EBADF (Bad file descriptor) [pid 5247] close(10) = -1 EBADF (Bad file descriptor) [pid 5247] close(11) = -1 EBADF (Bad file descriptor) [pid 5247] close(12) = -1 EBADF (Bad file descriptor) [pid 5247] close(13) = -1 EBADF (Bad file descriptor) [pid 5247] close(14) = -1 EBADF (Bad file descriptor) [pid 5247] close(15) = -1 EBADF (Bad file descriptor) [pid 5247] close(16) = -1 EBADF (Bad file descriptor) [pid 5247] close(17) = -1 EBADF (Bad file descriptor) [pid 5247] close(18) = -1 EBADF (Bad file descriptor) [pid 5247] close(19) = -1 EBADF (Bad file descriptor) [pid 5247] close(20) = -1 EBADF (Bad file descriptor) [pid 5247] close(21) = -1 EBADF (Bad file descriptor) [pid 5247] close(22) = -1 EBADF (Bad file descriptor) [pid 5247] close(23) = -1 EBADF (Bad file descriptor) [pid 5247] close(24) = -1 EBADF (Bad file descriptor) [pid 5247] close(25) = -1 EBADF (Bad file descriptor) [pid 5247] close(26) = -1 EBADF (Bad file descriptor) [pid 5247] close(27) = -1 EBADF (Bad file descriptor) [pid 5247] close(28) = -1 EBADF (Bad file descriptor) [pid 5247] close(29) = -1 EBADF (Bad file descriptor) [pid 5247] exit_group(0 [pid 5249] <... clone resumed>) = ? [pid 5248] <... futex resumed>) = ? [pid 5247] <... exit_group resumed>) = ? [pid 5249] +++ exited with 0 +++ [pid 5248] +++ exited with 0 +++ [pid 5247] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=162, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=70 /* 0.70 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 166 ./strace-static-x86_64: Process 5251 attached [pid 5251] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5251] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5251] setpgid(0, 0) = 0 [pid 5251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5251] write(3, "1000", 4) = 4 [pid 5251] close(3) = 0 [pid 5251] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5251] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5251] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5251] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[167], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 167 [pid 5251] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5251] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5252 attached [pid 5252] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5252] memfd_create("syzkaller", 0) = 3 [pid 5252] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5250] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=165, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=33 /* 0.33 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5252] 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"..., 67108864) = 67108864 [pid 5252] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5252] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5252] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5252] ioctl(4, LOOP_CLR_FD) = 0 [pid 5252] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5252] close(4) = 0 [pid 5252] close(3) = 0 [pid 5252] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5251] <... futex resumed>) = 0 [pid 5251] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5251] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5252] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5251] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5251] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5251] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5251] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5251] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5252] <... mmap resumed>) = 0x20000000 [pid 5251] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5251] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5252] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5251] <... mprotect resumed>) = 0 [pid 5251] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5252] <... futex resumed>) = 0 [pid 5251] <... clone resumed>, parent_tid=[168], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 168 [pid 5251] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5251] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5252] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5253 attached [pid 5253] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5253] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5254 attached [pid 5254] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5251] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5251] close(3) = -1 EBADF (Bad file descriptor) [pid 5251] close(4) = -1 EBADF (Bad file descriptor) [pid 5251] close(5) = -1 EBADF (Bad file descriptor) [pid 5251] close(6) = -1 EBADF (Bad file descriptor) [pid 5251] close(7) = -1 EBADF (Bad file descriptor) [pid 5251] close(8) = -1 EBADF (Bad file descriptor) [pid 5251] close(9) = -1 EBADF (Bad file descriptor) [pid 5251] close(10) = -1 EBADF (Bad file descriptor) [pid 5251] close(11) = -1 EBADF (Bad file descriptor) [pid 5251] close(12) = -1 EBADF (Bad file descriptor) [pid 5251] close(13) = -1 EBADF (Bad file descriptor) [pid 5251] close(14) = -1 EBADF (Bad file descriptor) [pid 5251] close(15) = -1 EBADF (Bad file descriptor) [pid 5251] close(16) = -1 EBADF (Bad file descriptor) [pid 5251] close(17) = -1 EBADF (Bad file descriptor) [pid 5251] close(18) = -1 EBADF (Bad file descriptor) [pid 5251] close(19) = -1 EBADF (Bad file descriptor) [pid 5251] close(20) = -1 EBADF (Bad file descriptor) [pid 5251] close(21) = -1 EBADF (Bad file descriptor) [pid 5251] close(22) = -1 EBADF (Bad file descriptor) [pid 5251] close(23) = -1 EBADF (Bad file descriptor) [pid 5251] close(24) = -1 EBADF (Bad file descriptor) [pid 5251] close(25) = -1 EBADF (Bad file descriptor) [pid 5251] close(26) = -1 EBADF (Bad file descriptor) [pid 5251] close(27) = -1 EBADF (Bad file descriptor) [pid 5251] close(28) = -1 EBADF (Bad file descriptor) [pid 5251] close(29) = -1 EBADF (Bad file descriptor) [pid 5251] exit_group(0 [pid 5253] <... clone resumed>) = ? [pid 5252] <... futex resumed>) = ? [pid 5251] <... exit_group resumed>) = ? [pid 5253] +++ exited with 0 +++ [pid 5252] +++ exited with 0 +++ [pid 5251] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=166, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=68 /* 0.68 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 170 ./strace-static-x86_64: Process 5255 attached [pid 5255] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5255] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5255] setpgid(0, 0) = 0 [pid 5255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5255] write(3, "1000", 4) = 4 [pid 5255] close(3) = 0 [pid 5255] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5255] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5255] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5255] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[171], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 171 [pid 5255] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5255] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5256 attached [pid 5256] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5256] memfd_create("syzkaller", 0) = 3 [pid 5256] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5254] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=169, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5256] 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"..., 67108864) = 67108864 [pid 5256] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5256] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5256] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5256] ioctl(4, LOOP_CLR_FD) = 0 [pid 5256] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5256] close(4) = 0 [pid 5256] close(3) = 0 [pid 5256] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5255] <... futex resumed>) = 0 [pid 5255] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5255] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5256] <... futex resumed>) = 1 [pid 5256] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5255] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5255] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5255] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5256] <... mmap resumed>) = 0x20000000 [pid 5255] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5255] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5256] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5255] <... mprotect resumed>) = 0 [pid 5255] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5256] <... futex resumed>) = 0 [pid 5255] <... clone resumed>, parent_tid=[172], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 172 [pid 5255] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5255] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5256] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5257 attached [pid 5257] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5257] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5258 attached [pid 5258] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5255] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5255] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5255] close(3) = -1 EBADF (Bad file descriptor) [pid 5255] close(4) = -1 EBADF (Bad file descriptor) [pid 5255] close(5) = -1 EBADF (Bad file descriptor) [pid 5255] close(6) = -1 EBADF (Bad file descriptor) [pid 5255] close(7) = -1 EBADF (Bad file descriptor) [pid 5255] close(8) = -1 EBADF (Bad file descriptor) [pid 5255] close(9) = -1 EBADF (Bad file descriptor) [pid 5255] close(10) = -1 EBADF (Bad file descriptor) [pid 5255] close(11) = -1 EBADF (Bad file descriptor) [pid 5255] close(12) = -1 EBADF (Bad file descriptor) [pid 5255] close(13) = -1 EBADF (Bad file descriptor) [pid 5255] close(14) = -1 EBADF (Bad file descriptor) [pid 5255] close(15) = -1 EBADF (Bad file descriptor) [pid 5255] close(16) = -1 EBADF (Bad file descriptor) [pid 5255] close(17) = -1 EBADF (Bad file descriptor) [pid 5255] close(18) = -1 EBADF (Bad file descriptor) [pid 5255] close(19) = -1 EBADF (Bad file descriptor) [pid 5255] close(20) = -1 EBADF (Bad file descriptor) [pid 5255] close(21) = -1 EBADF (Bad file descriptor) [pid 5255] close(22) = -1 EBADF (Bad file descriptor) [pid 5255] close(23) = -1 EBADF (Bad file descriptor) [pid 5255] close(24) = -1 EBADF (Bad file descriptor) [pid 5255] close(25) = -1 EBADF (Bad file descriptor) [pid 5255] close(26) = -1 EBADF (Bad file descriptor) [pid 5255] close(27) = -1 EBADF (Bad file descriptor) [pid 5255] close(28) = -1 EBADF (Bad file descriptor) [pid 5255] close(29) = -1 EBADF (Bad file descriptor) [pid 5255] exit_group(0 [pid 5257] <... clone resumed>) = ? [pid 5256] <... futex resumed>) = ? [pid 5255] <... exit_group resumed>) = ? [pid 5257] +++ exited with 0 +++ [pid 5256] +++ exited with 0 +++ [pid 5255] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=170, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=68 /* 0.68 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 174 ./strace-static-x86_64: Process 5259 attached [pid 5259] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5259] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5259] setpgid(0, 0) = 0 [pid 5259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5259] write(3, "1000", 4) = 4 [pid 5259] close(3) = 0 [pid 5259] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5259] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5259] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5259] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[175], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 175 [pid 5259] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5259] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5260 attached [pid 5260] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5260] memfd_create("syzkaller", 0) = 3 [pid 5260] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5258] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=173, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5260] 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"..., 67108864) = 67108864 [pid 5260] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5260] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5260] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5260] ioctl(4, LOOP_CLR_FD) = 0 [pid 5260] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5260] close(4) = 0 [pid 5260] close(3) = 0 [pid 5260] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5259] <... futex resumed>) = 0 [pid 5259] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5259] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5260] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5259] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5259] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5259] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5260] <... mmap resumed>) = 0x20000000 [pid 5259] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5259] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5260] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5259] <... mprotect resumed>) = 0 [pid 5259] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5260] <... futex resumed>) = 0 [pid 5259] <... clone resumed>, parent_tid=[176], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 176 [pid 5259] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5259] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5260] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5261 attached [pid 5261] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5261] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5262 attached [pid 5262] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5259] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5259] close(3) = -1 EBADF (Bad file descriptor) [pid 5259] close(4) = -1 EBADF (Bad file descriptor) [pid 5259] close(5) = -1 EBADF (Bad file descriptor) [pid 5259] close(6) = -1 EBADF (Bad file descriptor) [pid 5259] close(7) = -1 EBADF (Bad file descriptor) [pid 5259] close(8) = -1 EBADF (Bad file descriptor) [pid 5259] close(9) = -1 EBADF (Bad file descriptor) [pid 5259] close(10) = -1 EBADF (Bad file descriptor) [pid 5259] close(11) = -1 EBADF (Bad file descriptor) [pid 5259] close(12) = -1 EBADF (Bad file descriptor) [pid 5259] close(13) = -1 EBADF (Bad file descriptor) [pid 5259] close(14) = -1 EBADF (Bad file descriptor) [pid 5259] close(15) = -1 EBADF (Bad file descriptor) [pid 5259] close(16) = -1 EBADF (Bad file descriptor) [pid 5259] close(17) = -1 EBADF (Bad file descriptor) [pid 5259] close(18) = -1 EBADF (Bad file descriptor) [pid 5259] close(19) = -1 EBADF (Bad file descriptor) [pid 5259] close(20) = -1 EBADF (Bad file descriptor) [pid 5259] close(21) = -1 EBADF (Bad file descriptor) [pid 5259] close(22) = -1 EBADF (Bad file descriptor) [pid 5259] close(23) = -1 EBADF (Bad file descriptor) [pid 5259] close(24) = -1 EBADF (Bad file descriptor) [pid 5259] close(25) = -1 EBADF (Bad file descriptor) [pid 5259] close(26) = -1 EBADF (Bad file descriptor) [pid 5259] close(27) = -1 EBADF (Bad file descriptor) [pid 5259] close(28) = -1 EBADF (Bad file descriptor) [pid 5259] close(29) = -1 EBADF (Bad file descriptor) [pid 5259] exit_group(0 [pid 5261] <... clone resumed>) = ? [pid 5260] <... futex resumed>) = ? [pid 5259] <... exit_group resumed>) = ? [pid 5261] +++ exited with 0 +++ [pid 5260] +++ exited with 0 +++ [pid 5259] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=174, si_uid=0, si_status=0, si_utime=18 /* 0.18 s */, si_stime=66 /* 0.66 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 178 ./strace-static-x86_64: Process 5263 attached [pid 5263] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5263] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5263] setpgid(0, 0) = 0 [pid 5263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5263] write(3, "1000", 4) = 4 [pid 5263] close(3) = 0 [pid 5263] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5263] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5263] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5263] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[179], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 179 [pid 5263] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5263] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5264 attached [pid 5264] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5264] memfd_create("syzkaller", 0) = 3 [pid 5264] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5262] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=177, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5264] 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"..., 67108864) = 67108864 [pid 5264] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5264] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5264] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5264] ioctl(4, LOOP_CLR_FD) = 0 [pid 5264] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5264] close(4) = 0 [pid 5264] close(3) = 0 [pid 5264] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5263] <... futex resumed>) = 0 [pid 5263] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5263] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5264] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5263] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5263] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5263] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5263] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5263] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5263] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[180], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 180 [pid 5263] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5263] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5264] <... mmap resumed>) = 0x20000000 [pid 5264] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5264] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5265 attached [pid 5265] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5265] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5266 attached [pid 5266] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5263] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5263] close(3) = -1 EBADF (Bad file descriptor) [pid 5263] close(4) = -1 EBADF (Bad file descriptor) [pid 5263] close(5) = -1 EBADF (Bad file descriptor) [pid 5263] close(6) = -1 EBADF (Bad file descriptor) [pid 5263] close(7) = -1 EBADF (Bad file descriptor) [pid 5263] close(8) = -1 EBADF (Bad file descriptor) [pid 5263] close(9) = -1 EBADF (Bad file descriptor) [pid 5263] close(10) = -1 EBADF (Bad file descriptor) [pid 5263] close(11) = -1 EBADF (Bad file descriptor) [pid 5263] close(12) = -1 EBADF (Bad file descriptor) [pid 5263] close(13) = -1 EBADF (Bad file descriptor) [pid 5263] close(14) = -1 EBADF (Bad file descriptor) [pid 5263] close(15) = -1 EBADF (Bad file descriptor) [pid 5263] close(16) = -1 EBADF (Bad file descriptor) [pid 5263] close(17) = -1 EBADF (Bad file descriptor) [pid 5263] close(18) = -1 EBADF (Bad file descriptor) [pid 5263] close(19) = -1 EBADF (Bad file descriptor) [pid 5263] close(20) = -1 EBADF (Bad file descriptor) [pid 5263] close(21) = -1 EBADF (Bad file descriptor) [pid 5263] close(22) = -1 EBADF (Bad file descriptor) [pid 5263] close(23) = -1 EBADF (Bad file descriptor) [pid 5263] close(24) = -1 EBADF (Bad file descriptor) [pid 5263] close(25) = -1 EBADF (Bad file descriptor) [pid 5263] close(26) = -1 EBADF (Bad file descriptor) [pid 5263] close(27) = -1 EBADF (Bad file descriptor) [pid 5263] close(28) = -1 EBADF (Bad file descriptor) [pid 5263] close(29) = -1 EBADF (Bad file descriptor) [pid 5263] exit_group(0 [pid 5265] <... clone resumed>) = ? [pid 5264] <... futex resumed>) = ? [pid 5263] <... exit_group resumed>) = ? [pid 5265] +++ exited with 0 +++ [pid 5264] +++ exited with 0 +++ [pid 5263] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=178, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=71 /* 0.71 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 182 ./strace-static-x86_64: Process 5267 attached [pid 5267] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5267] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5267] setpgid(0, 0) = 0 [pid 5267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5267] write(3, "1000", 4) = 4 [pid 5267] close(3) = 0 [pid 5267] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5267] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5267] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5267] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[183], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 183 [pid 5267] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5267] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5268 attached [pid 5268] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5268] memfd_create("syzkaller", 0) = 3 [pid 5268] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5266] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=181, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=31 /* 0.31 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5268] 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"..., 67108864) = 67108864 [pid 5268] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5268] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5268] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5268] ioctl(4, LOOP_CLR_FD) = 0 [pid 5268] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5268] close(4) = 0 [pid 5268] close(3) = 0 [pid 5268] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5267] <... futex resumed>) = 0 [pid 5267] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5267] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5268] <... futex resumed>) = 1 [pid 5268] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5267] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5267] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5267] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5267] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5267] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5267] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5267] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[184], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 184 [pid 5267] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5267] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5268] <... mmap resumed>) = 0x20000000 [pid 5268] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5268] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5269 attached [pid 5269] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5269] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5270 attached [pid 5270] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5267] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5267] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5267] close(3) = -1 EBADF (Bad file descriptor) [pid 5267] close(4) = -1 EBADF (Bad file descriptor) [pid 5267] close(5) = -1 EBADF (Bad file descriptor) [pid 5267] close(6) = -1 EBADF (Bad file descriptor) [pid 5267] close(7) = -1 EBADF (Bad file descriptor) [pid 5267] close(8) = -1 EBADF (Bad file descriptor) [pid 5267] close(9) = -1 EBADF (Bad file descriptor) [pid 5267] close(10) = -1 EBADF (Bad file descriptor) [pid 5267] close(11) = -1 EBADF (Bad file descriptor) [pid 5267] close(12) = -1 EBADF (Bad file descriptor) [pid 5267] close(13) = -1 EBADF (Bad file descriptor) [pid 5267] close(14) = -1 EBADF (Bad file descriptor) [pid 5267] close(15) = -1 EBADF (Bad file descriptor) [pid 5267] close(16) = -1 EBADF (Bad file descriptor) [pid 5267] close(17) = -1 EBADF (Bad file descriptor) [pid 5267] close(18) = -1 EBADF (Bad file descriptor) [pid 5267] close(19) = -1 EBADF (Bad file descriptor) [pid 5267] close(20) = -1 EBADF (Bad file descriptor) [pid 5267] close(21) = -1 EBADF (Bad file descriptor) [pid 5267] close(22) = -1 EBADF (Bad file descriptor) [pid 5267] close(23) = -1 EBADF (Bad file descriptor) [pid 5267] close(24) = -1 EBADF (Bad file descriptor) [pid 5267] close(25) = -1 EBADF (Bad file descriptor) [pid 5267] close(26) = -1 EBADF (Bad file descriptor) [pid 5267] close(27) = -1 EBADF (Bad file descriptor) [pid 5267] close(28) = -1 EBADF (Bad file descriptor) [pid 5267] close(29) = -1 EBADF (Bad file descriptor) [pid 5267] exit_group(0 [pid 5269] <... clone resumed>) = ? [pid 5268] <... futex resumed>) = ? [pid 5267] <... exit_group resumed>) = ? [pid 5269] +++ exited with 0 +++ [pid 5268] +++ exited with 0 +++ [pid 5267] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=182, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=63 /* 0.63 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 186 ./strace-static-x86_64: Process 5271 attached [pid 5271] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5271] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5271] setpgid(0, 0) = 0 [pid 5271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5271] write(3, "1000", 4) = 4 [pid 5271] close(3) = 0 [pid 5271] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5271] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5271] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5271] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[187], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 187 [pid 5271] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5271] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5272 attached [pid 5272] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5272] memfd_create("syzkaller", 0) = 3 [pid 5272] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5270] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=185, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5272] 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"..., 67108864) = 67108864 [pid 5272] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5272] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5272] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5272] ioctl(4, LOOP_CLR_FD) = 0 [pid 5272] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5272] close(4) = 0 [pid 5272] close(3) = 0 [pid 5272] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5271] <... futex resumed>) = 0 [pid 5271] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5271] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5272] <... futex resumed>) = 1 [pid 5272] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5271] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5271] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5271] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5271] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5271] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[188], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 188 [pid 5271] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5271] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5272] <... mmap resumed>) = 0x20000000 [pid 5272] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5272] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5273 attached [pid 5273] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5273] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5274 attached [pid 5274] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5271] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5271] close(3) = -1 EBADF (Bad file descriptor) [pid 5271] close(4) = -1 EBADF (Bad file descriptor) [pid 5271] close(5) = -1 EBADF (Bad file descriptor) [pid 5271] close(6) = -1 EBADF (Bad file descriptor) [pid 5271] close(7) = -1 EBADF (Bad file descriptor) [pid 5271] close(8) = -1 EBADF (Bad file descriptor) [pid 5271] close(9) = -1 EBADF (Bad file descriptor) [pid 5271] close(10) = -1 EBADF (Bad file descriptor) [pid 5271] close(11) = -1 EBADF (Bad file descriptor) [pid 5271] close(12) = -1 EBADF (Bad file descriptor) [pid 5271] close(13) = -1 EBADF (Bad file descriptor) [pid 5271] close(14) = -1 EBADF (Bad file descriptor) [pid 5271] close(15) = -1 EBADF (Bad file descriptor) [pid 5271] close(16) = -1 EBADF (Bad file descriptor) [pid 5271] close(17) = -1 EBADF (Bad file descriptor) [pid 5271] close(18) = -1 EBADF (Bad file descriptor) [pid 5271] close(19) = -1 EBADF (Bad file descriptor) [pid 5271] close(20) = -1 EBADF (Bad file descriptor) [pid 5271] close(21) = -1 EBADF (Bad file descriptor) [pid 5271] close(22) = -1 EBADF (Bad file descriptor) [pid 5271] close(23) = -1 EBADF (Bad file descriptor) [pid 5271] close(24) = -1 EBADF (Bad file descriptor) [pid 5271] close(25) = -1 EBADF (Bad file descriptor) [pid 5271] close(26) = -1 EBADF (Bad file descriptor) [pid 5271] close(27) = -1 EBADF (Bad file descriptor) [pid 5271] close(28) = -1 EBADF (Bad file descriptor) [pid 5271] close(29) = -1 EBADF (Bad file descriptor) [pid 5271] exit_group(0 [pid 5273] <... clone resumed>) = ? [pid 5272] <... futex resumed>) = ? [pid 5271] <... exit_group resumed>) = ? [pid 5273] +++ exited with 0 +++ [pid 5272] +++ exited with 0 +++ [pid 5271] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=186, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=66 /* 0.66 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 190 ./strace-static-x86_64: Process 5275 attached [pid 5275] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5275] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5275] setpgid(0, 0) = 0 [pid 5275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5275] write(3, "1000", 4) = 4 [pid 5275] close(3) = 0 [pid 5275] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5275] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5275] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5275] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[191], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 191 [pid 5275] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5275] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5276 attached [pid 5276] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5276] memfd_create("syzkaller", 0) = 3 [pid 5276] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5274] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=189, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5276] 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"..., 67108864) = 67108864 [pid 5276] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5276] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5276] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5276] ioctl(4, LOOP_CLR_FD) = 0 [pid 5276] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5276] close(4) = 0 [pid 5276] close(3) = 0 [pid 5276] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5275] <... futex resumed>) = 0 [pid 5275] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5275] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5276] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5275] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5275] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5275] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5276] <... mmap resumed>) = 0x20000000 [pid 5275] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5275] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5275] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5276] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5275] <... clone resumed>, parent_tid=[192], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 192 [pid 5275] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5275] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5276] <... futex resumed>) = 0 [pid 5276] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5277 attached [pid 5277] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5277] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5278 attached [pid 5278] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5275] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5275] close(3) = -1 EBADF (Bad file descriptor) [pid 5275] close(4) = -1 EBADF (Bad file descriptor) [pid 5275] close(5) = -1 EBADF (Bad file descriptor) [pid 5275] close(6) = -1 EBADF (Bad file descriptor) [pid 5275] close(7) = -1 EBADF (Bad file descriptor) [pid 5275] close(8) = -1 EBADF (Bad file descriptor) [pid 5275] close(9) = -1 EBADF (Bad file descriptor) [pid 5275] close(10) = -1 EBADF (Bad file descriptor) [pid 5275] close(11) = -1 EBADF (Bad file descriptor) [pid 5275] close(12) = -1 EBADF (Bad file descriptor) [pid 5275] close(13) = -1 EBADF (Bad file descriptor) [pid 5275] close(14) = -1 EBADF (Bad file descriptor) [pid 5275] close(15) = -1 EBADF (Bad file descriptor) [pid 5275] close(16) = -1 EBADF (Bad file descriptor) [pid 5275] close(17) = -1 EBADF (Bad file descriptor) [pid 5275] close(18) = -1 EBADF (Bad file descriptor) [pid 5275] close(19) = -1 EBADF (Bad file descriptor) [pid 5275] close(20) = -1 EBADF (Bad file descriptor) [pid 5275] close(21) = -1 EBADF (Bad file descriptor) [pid 5275] close(22) = -1 EBADF (Bad file descriptor) [pid 5275] close(23) = -1 EBADF (Bad file descriptor) [pid 5275] close(24) = -1 EBADF (Bad file descriptor) [pid 5275] close(25) = -1 EBADF (Bad file descriptor) [pid 5275] close(26) = -1 EBADF (Bad file descriptor) [pid 5275] close(27) = -1 EBADF (Bad file descriptor) [pid 5275] close(28) = -1 EBADF (Bad file descriptor) [pid 5275] close(29) = -1 EBADF (Bad file descriptor) [pid 5275] exit_group(0 [pid 5277] <... clone resumed>) = ? [pid 5276] <... futex resumed>) = ? [pid 5275] <... exit_group resumed>) = ? [pid 5277] +++ exited with 0 +++ [pid 5276] +++ exited with 0 +++ [pid 5275] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=190, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=66 /* 0.66 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 194 ./strace-static-x86_64: Process 5279 attached [pid 5279] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5279] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5279] setpgid(0, 0) = 0 [pid 5279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5279] write(3, "1000", 4) = 4 [pid 5279] close(3) = 0 [pid 5279] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5279] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5279] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5279] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[195], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 195 [pid 5279] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5279] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5280 attached [pid 5280] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5280] memfd_create("syzkaller", 0) = 3 [pid 5280] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5278] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=193, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5280] 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"..., 67108864) = 67108864 [pid 5280] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5280] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5280] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5280] ioctl(4, LOOP_CLR_FD) = 0 [pid 5280] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5280] close(4) = 0 [pid 5280] close(3) = 0 [pid 5280] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5279] <... futex resumed>) = 0 [pid 5279] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5279] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5280] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5279] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5279] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5279] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5279] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5280] <... mmap resumed>) = 0x20000000 [pid 5279] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5279] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5280] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5279] <... mprotect resumed>) = 0 [pid 5279] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[196], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 196 [pid 5279] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5279] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5280] <... futex resumed>) = 0 [pid 5280] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5281 attached [pid 5281] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5281] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5282 attached [pid 5282] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5279] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5279] close(3) = -1 EBADF (Bad file descriptor) [pid 5279] close(4) = -1 EBADF (Bad file descriptor) [pid 5279] close(5) = -1 EBADF (Bad file descriptor) [pid 5279] close(6) = -1 EBADF (Bad file descriptor) [pid 5279] close(7) = -1 EBADF (Bad file descriptor) [pid 5279] close(8) = -1 EBADF (Bad file descriptor) [pid 5279] close(9) = -1 EBADF (Bad file descriptor) [pid 5279] close(10) = -1 EBADF (Bad file descriptor) [pid 5279] close(11) = -1 EBADF (Bad file descriptor) [pid 5279] close(12) = -1 EBADF (Bad file descriptor) [pid 5279] close(13) = -1 EBADF (Bad file descriptor) [pid 5279] close(14) = -1 EBADF (Bad file descriptor) [pid 5279] close(15) = -1 EBADF (Bad file descriptor) [pid 5279] close(16) = -1 EBADF (Bad file descriptor) [pid 5279] close(17) = -1 EBADF (Bad file descriptor) [pid 5279] close(18) = -1 EBADF (Bad file descriptor) [pid 5279] close(19) = -1 EBADF (Bad file descriptor) [pid 5279] close(20) = -1 EBADF (Bad file descriptor) [pid 5279] close(21) = -1 EBADF (Bad file descriptor) [pid 5279] close(22) = -1 EBADF (Bad file descriptor) [pid 5279] close(23) = -1 EBADF (Bad file descriptor) [pid 5279] close(24) = -1 EBADF (Bad file descriptor) [pid 5279] close(25) = -1 EBADF (Bad file descriptor) [pid 5279] close(26) = -1 EBADF (Bad file descriptor) [pid 5279] close(27) = -1 EBADF (Bad file descriptor) [pid 5279] close(28) = -1 EBADF (Bad file descriptor) [pid 5279] close(29) = -1 EBADF (Bad file descriptor) [pid 5279] exit_group(0 [pid 5281] <... clone resumed>) = ? [pid 5280] <... futex resumed>) = ? [pid 5279] <... exit_group resumed>) = ? [pid 5281] +++ exited with 0 +++ [pid 5280] +++ exited with 0 +++ [pid 5279] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=194, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=72 /* 0.72 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 198 ./strace-static-x86_64: Process 5283 attached [pid 5283] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5283] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5283] setpgid(0, 0) = 0 [pid 5283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5283] write(3, "1000", 4) = 4 [pid 5283] close(3) = 0 [pid 5283] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5283] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5283] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5283] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[199], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 199 [pid 5283] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5283] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5284 attached [pid 5284] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5284] memfd_create("syzkaller", 0) = 3 [pid 5284] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5282] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=197, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5284] 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"..., 67108864) = 67108864 [pid 5284] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5284] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5284] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5284] ioctl(4, LOOP_CLR_FD) = 0 [pid 5284] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5284] close(4) = 0 [pid 5284] close(3) = 0 [pid 5284] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5283] <... futex resumed>) = 0 [pid 5283] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5283] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5284] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5283] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5283] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5283] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5283] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5284] <... mmap resumed>) = 0x20000000 [pid 5283] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5283] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5283] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5284] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5283] <... clone resumed>, parent_tid=[200], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 200 [pid 5283] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5283] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5284] <... futex resumed>) = 0 [pid 5284] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5285 attached [pid 5285] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5285] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5286 attached [pid 5286] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5283] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5283] close(3) = -1 EBADF (Bad file descriptor) [pid 5283] close(4) = -1 EBADF (Bad file descriptor) [pid 5283] close(5) = -1 EBADF (Bad file descriptor) [pid 5283] close(6) = -1 EBADF (Bad file descriptor) [pid 5283] close(7) = -1 EBADF (Bad file descriptor) [pid 5283] close(8) = -1 EBADF (Bad file descriptor) [pid 5283] close(9) = -1 EBADF (Bad file descriptor) [pid 5283] close(10) = -1 EBADF (Bad file descriptor) [pid 5283] close(11) = -1 EBADF (Bad file descriptor) [pid 5283] close(12) = -1 EBADF (Bad file descriptor) [pid 5283] close(13) = -1 EBADF (Bad file descriptor) [pid 5283] close(14) = -1 EBADF (Bad file descriptor) [pid 5283] close(15) = -1 EBADF (Bad file descriptor) [pid 5283] close(16) = -1 EBADF (Bad file descriptor) [pid 5283] close(17) = -1 EBADF (Bad file descriptor) [pid 5283] close(18) = -1 EBADF (Bad file descriptor) [pid 5283] close(19) = -1 EBADF (Bad file descriptor) [pid 5283] close(20) = -1 EBADF (Bad file descriptor) [pid 5283] close(21) = -1 EBADF (Bad file descriptor) [pid 5283] close(22) = -1 EBADF (Bad file descriptor) [pid 5283] close(23) = -1 EBADF (Bad file descriptor) [pid 5283] close(24) = -1 EBADF (Bad file descriptor) [pid 5283] close(25) = -1 EBADF (Bad file descriptor) [pid 5283] close(26) = -1 EBADF (Bad file descriptor) [pid 5283] close(27) = -1 EBADF (Bad file descriptor) [pid 5283] close(28) = -1 EBADF (Bad file descriptor) [pid 5283] close(29) = -1 EBADF (Bad file descriptor) [pid 5283] exit_group(0) = ? [pid 5285] <... clone resumed>) = ? [pid 5284] <... futex resumed>) = ? [pid 5285] +++ exited with 0 +++ [pid 5284] +++ exited with 0 +++ [pid 5283] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=198, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=67 /* 0.67 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 202 ./strace-static-x86_64: Process 5287 attached [pid 5287] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5287] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5287] setpgid(0, 0) = 0 [pid 5287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5287] write(3, "1000", 4) = 4 [pid 5287] close(3) = 0 [pid 5287] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5287] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5287] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5287] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5288 attached [pid 5288] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5288] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5287] <... clone resumed>, parent_tid=[203], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 203 [pid 5287] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5288] <... futex resumed>) = 0 [pid 5287] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5288] memfd_create("syzkaller", 0) = 3 [pid 5288] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5286] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=201, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=34 /* 0.34 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5288] 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"..., 67108864) = 67108864 [pid 5288] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5288] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5288] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5288] ioctl(4, LOOP_CLR_FD) = 0 [pid 5288] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5288] close(4) = 0 [pid 5288] close(3) = 0 [pid 5288] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5287] <... futex resumed>) = 0 [pid 5288] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5287] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5287] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5287] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5287] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5288] <... mmap resumed>) = 0x20000000 [pid 5287] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5288] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5287] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5288] <... futex resumed>) = 0 [pid 5288] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5287] <... mprotect resumed>) = 0 [pid 5287] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[204], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 204 [pid 5287] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5287] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5289 attached [pid 5289] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5289] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5290 attached [pid 5290] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5287] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5287] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5287] close(3) = -1 EBADF (Bad file descriptor) [pid 5287] close(4) = -1 EBADF (Bad file descriptor) [pid 5287] close(5) = -1 EBADF (Bad file descriptor) [pid 5287] close(6) = -1 EBADF (Bad file descriptor) [pid 5287] close(7) = -1 EBADF (Bad file descriptor) [pid 5287] close(8) = -1 EBADF (Bad file descriptor) [pid 5287] close(9) = -1 EBADF (Bad file descriptor) [pid 5287] close(10) = -1 EBADF (Bad file descriptor) [pid 5287] close(11) = -1 EBADF (Bad file descriptor) [pid 5287] close(12) = -1 EBADF (Bad file descriptor) [pid 5287] close(13) = -1 EBADF (Bad file descriptor) [pid 5287] close(14) = -1 EBADF (Bad file descriptor) [pid 5287] close(15) = -1 EBADF (Bad file descriptor) [pid 5287] close(16) = -1 EBADF (Bad file descriptor) [pid 5287] close(17) = -1 EBADF (Bad file descriptor) [pid 5287] close(18) = -1 EBADF (Bad file descriptor) [pid 5287] close(19) = -1 EBADF (Bad file descriptor) [pid 5287] close(20) = -1 EBADF (Bad file descriptor) [pid 5287] close(21) = -1 EBADF (Bad file descriptor) [pid 5287] close(22) = -1 EBADF (Bad file descriptor) [pid 5287] close(23) = -1 EBADF (Bad file descriptor) [pid 5287] close(24) = -1 EBADF (Bad file descriptor) [pid 5287] close(25) = -1 EBADF (Bad file descriptor) [pid 5287] close(26) = -1 EBADF (Bad file descriptor) [pid 5287] close(27) = -1 EBADF (Bad file descriptor) [pid 5287] close(28) = -1 EBADF (Bad file descriptor) [pid 5287] close(29) = -1 EBADF (Bad file descriptor) [pid 5287] exit_group(0 [pid 5289] <... clone resumed>) = ? [pid 5288] <... futex resumed>) = ? [pid 5287] <... exit_group resumed>) = ? [pid 5289] +++ exited with 0 +++ [pid 5288] +++ exited with 0 +++ [pid 5287] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=202, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=65 /* 0.65 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 206 ./strace-static-x86_64: Process 5291 attached [pid 5291] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5291] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5291] setpgid(0, 0) = 0 [pid 5291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5291] write(3, "1000", 4) = 4 [pid 5291] close(3) = 0 [pid 5291] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5291] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5291] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5291] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[207], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 207 [pid 5291] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5291] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5292 attached [pid 5292] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5292] memfd_create("syzkaller", 0) = 3 [pid 5292] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5292] 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"..., 67108864 [pid 5290] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=205, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=40 /* 0.40 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5292] <... write resumed>) = 67108864 [pid 5292] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5292] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5292] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5292] ioctl(4, LOOP_CLR_FD) = 0 [pid 5292] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5292] close(4) = 0 [pid 5292] close(3) = 0 [pid 5292] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5291] <... futex resumed>) = 0 [pid 5291] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5291] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5292] <... futex resumed>) = 1 [pid 5292] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5291] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5291] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5291] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5291] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5291] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5291] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[208], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 208 [pid 5291] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5291] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5292] <... mmap resumed>) = 0x20000000 [pid 5292] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5292] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5293 attached [pid 5293] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5293] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5294 attached [pid 5294] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5291] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5291] close(3) = -1 EBADF (Bad file descriptor) [pid 5291] close(4) = -1 EBADF (Bad file descriptor) [pid 5291] close(5) = -1 EBADF (Bad file descriptor) [pid 5291] close(6) = -1 EBADF (Bad file descriptor) [pid 5291] close(7) = -1 EBADF (Bad file descriptor) [pid 5291] close(8) = -1 EBADF (Bad file descriptor) [pid 5291] close(9) = -1 EBADF (Bad file descriptor) [pid 5291] close(10) = -1 EBADF (Bad file descriptor) [pid 5291] close(11) = -1 EBADF (Bad file descriptor) [pid 5291] close(12) = -1 EBADF (Bad file descriptor) [pid 5291] close(13) = -1 EBADF (Bad file descriptor) [pid 5291] close(14) = -1 EBADF (Bad file descriptor) [pid 5291] close(15) = -1 EBADF (Bad file descriptor) [pid 5291] close(16) = -1 EBADF (Bad file descriptor) [pid 5291] close(17) = -1 EBADF (Bad file descriptor) [pid 5291] close(18) = -1 EBADF (Bad file descriptor) [pid 5291] close(19) = -1 EBADF (Bad file descriptor) [pid 5291] close(20) = -1 EBADF (Bad file descriptor) [pid 5291] close(21) = -1 EBADF (Bad file descriptor) [pid 5291] close(22) = -1 EBADF (Bad file descriptor) [pid 5291] close(23) = -1 EBADF (Bad file descriptor) [pid 5291] close(24) = -1 EBADF (Bad file descriptor) [pid 5291] close(25) = -1 EBADF (Bad file descriptor) [pid 5291] close(26) = -1 EBADF (Bad file descriptor) [pid 5291] close(27) = -1 EBADF (Bad file descriptor) [pid 5291] close(28) = -1 EBADF (Bad file descriptor) [pid 5291] close(29) = -1 EBADF (Bad file descriptor) [pid 5291] exit_group(0 [pid 5293] <... clone resumed>) = ? [pid 5292] <... futex resumed>) = ? [pid 5291] <... exit_group resumed>) = ? [pid 5293] +++ exited with 0 +++ [pid 5292] +++ exited with 0 +++ [pid 5291] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=206, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=66 /* 0.66 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 210 ./strace-static-x86_64: Process 5295 attached [pid 5295] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5295] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5295] setpgid(0, 0) = 0 [pid 5295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5295] write(3, "1000", 4) = 4 [pid 5295] close(3) = 0 [pid 5295] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5295] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5295] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5295] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[211], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 211 [pid 5295] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5295] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5296 attached [pid 5296] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5296] memfd_create("syzkaller", 0) = 3 [pid 5296] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5294] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=209, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5296] 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"..., 67108864) = 67108864 [pid 5296] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5296] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5296] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5296] ioctl(4, LOOP_CLR_FD) = 0 [pid 5296] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5296] close(4) = 0 [pid 5296] close(3) = 0 [pid 5296] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5295] <... futex resumed>) = 0 [pid 5295] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5296] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5295] <... futex resumed>) = 0 [pid 5295] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5295] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5295] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5296] <... mmap resumed>) = 0x20000000 [pid 5295] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5296] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5295] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5296] <... futex resumed>) = 0 [pid 5295] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5296] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5295] <... clone resumed>, parent_tid=[212], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 212 [pid 5295] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5295] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5297 attached [pid 5297] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5297] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5298 attached [pid 5298] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5295] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5295] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5295] close(3) = -1 EBADF (Bad file descriptor) [pid 5295] close(4) = -1 EBADF (Bad file descriptor) [pid 5295] close(5) = -1 EBADF (Bad file descriptor) [pid 5295] close(6) = -1 EBADF (Bad file descriptor) [pid 5295] close(7) = -1 EBADF (Bad file descriptor) [pid 5295] close(8) = -1 EBADF (Bad file descriptor) [pid 5295] close(9) = -1 EBADF (Bad file descriptor) [pid 5295] close(10) = -1 EBADF (Bad file descriptor) [pid 5295] close(11) = -1 EBADF (Bad file descriptor) [pid 5295] close(12) = -1 EBADF (Bad file descriptor) [pid 5295] close(13) = -1 EBADF (Bad file descriptor) [pid 5295] close(14) = -1 EBADF (Bad file descriptor) [pid 5295] close(15) = -1 EBADF (Bad file descriptor) [pid 5295] close(16) = -1 EBADF (Bad file descriptor) [pid 5295] close(17) = -1 EBADF (Bad file descriptor) [pid 5295] close(18) = -1 EBADF (Bad file descriptor) [pid 5295] close(19) = -1 EBADF (Bad file descriptor) [pid 5295] close(20) = -1 EBADF (Bad file descriptor) [pid 5295] close(21) = -1 EBADF (Bad file descriptor) [pid 5295] close(22) = -1 EBADF (Bad file descriptor) [pid 5295] close(23) = -1 EBADF (Bad file descriptor) [pid 5295] close(24) = -1 EBADF (Bad file descriptor) [pid 5295] close(25) = -1 EBADF (Bad file descriptor) [pid 5295] close(26) = -1 EBADF (Bad file descriptor) [pid 5295] close(27) = -1 EBADF (Bad file descriptor) [pid 5295] close(28) = -1 EBADF (Bad file descriptor) [pid 5295] close(29) = -1 EBADF (Bad file descriptor) [pid 5295] exit_group(0 [pid 5297] <... clone resumed>) = ? [pid 5296] <... futex resumed>) = ? [pid 5295] <... exit_group resumed>) = ? [pid 5297] +++ exited with 0 +++ [pid 5296] +++ exited with 0 +++ [pid 5295] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=210, si_uid=0, si_status=0, si_utime=18 /* 0.18 s */, si_stime=66 /* 0.66 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 214 ./strace-static-x86_64: Process 5299 attached [pid 5299] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5299] setpgid(0, 0) = 0 [pid 5299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5299] write(3, "1000", 4) = 4 [pid 5299] close(3) = 0 [pid 5299] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5299] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5299] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[215], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 215 [pid 5299] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5299] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5300 attached [pid 5300] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5300] memfd_create("syzkaller", 0) = 3 [pid 5300] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5298] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=213, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5300] 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"..., 67108864) = 67108864 [pid 5300] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5300] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5300] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5300] ioctl(4, LOOP_CLR_FD) = 0 [pid 5300] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5300] close(4) = 0 [pid 5300] close(3) = 0 [pid 5300] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5299] <... futex resumed>) = 0 [pid 5299] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5299] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5300] <... futex resumed>) = 1 [pid 5300] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5299] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5299] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5299] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5299] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[216], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 216 [pid 5299] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5299] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5300] <... mmap resumed>) = 0x20000000 [pid 5300] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5300] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5301 attached [pid 5301] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5301] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5302 attached [pid 5302] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5299] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5299] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5299] close(3) = -1 EBADF (Bad file descriptor) [pid 5299] close(4) = -1 EBADF (Bad file descriptor) [pid 5299] close(5) = -1 EBADF (Bad file descriptor) [pid 5299] close(6) = -1 EBADF (Bad file descriptor) [pid 5299] close(7) = -1 EBADF (Bad file descriptor) [pid 5299] close(8) = -1 EBADF (Bad file descriptor) [pid 5299] close(9) = -1 EBADF (Bad file descriptor) [pid 5299] close(10) = -1 EBADF (Bad file descriptor) [pid 5299] close(11) = -1 EBADF (Bad file descriptor) [pid 5299] close(12) = -1 EBADF (Bad file descriptor) [pid 5299] close(13) = -1 EBADF (Bad file descriptor) [pid 5299] close(14) = -1 EBADF (Bad file descriptor) [pid 5299] close(15) = -1 EBADF (Bad file descriptor) [pid 5299] close(16) = -1 EBADF (Bad file descriptor) [pid 5299] close(17) = -1 EBADF (Bad file descriptor) [pid 5299] close(18) = -1 EBADF (Bad file descriptor) [pid 5299] close(19) = -1 EBADF (Bad file descriptor) [pid 5299] close(20) = -1 EBADF (Bad file descriptor) [pid 5299] close(21) = -1 EBADF (Bad file descriptor) [pid 5299] close(22) = -1 EBADF (Bad file descriptor) [pid 5299] close(23) = -1 EBADF (Bad file descriptor) [pid 5299] close(24) = -1 EBADF (Bad file descriptor) [pid 5299] close(25) = -1 EBADF (Bad file descriptor) [pid 5299] close(26) = -1 EBADF (Bad file descriptor) [pid 5299] close(27) = -1 EBADF (Bad file descriptor) [pid 5299] close(28) = -1 EBADF (Bad file descriptor) [pid 5299] close(29) = -1 EBADF (Bad file descriptor) [pid 5299] exit_group(0 [pid 5301] <... clone resumed>) = ? [pid 5300] <... futex resumed>) = ? [pid 5299] <... exit_group resumed>) = ? [pid 5301] +++ exited with 0 +++ [pid 5300] +++ exited with 0 +++ [pid 5299] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=214, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=66 /* 0.66 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 218 ./strace-static-x86_64: Process 5303 attached [pid 5303] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5303] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5303] setpgid(0, 0) = 0 [pid 5303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5303] write(3, "1000", 4) = 4 [pid 5303] close(3) = 0 [pid 5303] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5303] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5303] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5303] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[219], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 219 [pid 5303] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5303] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5304 attached [pid 5304] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5304] memfd_create("syzkaller", 0) = 3 [pid 5304] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5302] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=217, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5304] 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"..., 67108864) = 67108864 [pid 5304] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5304] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5304] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5304] ioctl(4, LOOP_CLR_FD) = 0 [pid 5304] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5304] close(4) = 0 [pid 5304] close(3) = 0 [pid 5304] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5303] <... futex resumed>) = 0 [pid 5303] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5303] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5304] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5303] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5303] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5303] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5303] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5304] <... mmap resumed>) = 0x20000000 [pid 5303] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5303] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5304] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5303] <... mprotect resumed>) = 0 [pid 5303] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[220], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 220 [pid 5303] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5303] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5304] <... futex resumed>) = 0 [pid 5304] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5305 attached [pid 5305] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5305] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5306 attached [pid 5306] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5303] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5303] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5303] close(3) = -1 EBADF (Bad file descriptor) [pid 5303] close(4) = -1 EBADF (Bad file descriptor) [pid 5303] close(5) = -1 EBADF (Bad file descriptor) [pid 5303] close(6) = -1 EBADF (Bad file descriptor) [pid 5303] close(7) = -1 EBADF (Bad file descriptor) [pid 5303] close(8) = -1 EBADF (Bad file descriptor) [pid 5303] close(9) = -1 EBADF (Bad file descriptor) [pid 5303] close(10) = -1 EBADF (Bad file descriptor) [pid 5303] close(11) = -1 EBADF (Bad file descriptor) [pid 5303] close(12) = -1 EBADF (Bad file descriptor) [pid 5303] close(13) = -1 EBADF (Bad file descriptor) [pid 5303] close(14) = -1 EBADF (Bad file descriptor) [pid 5303] close(15) = -1 EBADF (Bad file descriptor) [pid 5303] close(16) = -1 EBADF (Bad file descriptor) [pid 5303] close(17) = -1 EBADF (Bad file descriptor) [pid 5303] close(18) = -1 EBADF (Bad file descriptor) [pid 5303] close(19) = -1 EBADF (Bad file descriptor) [pid 5303] close(20) = -1 EBADF (Bad file descriptor) [pid 5303] close(21) = -1 EBADF (Bad file descriptor) [pid 5303] close(22) = -1 EBADF (Bad file descriptor) [pid 5303] close(23) = -1 EBADF (Bad file descriptor) [pid 5303] close(24) = -1 EBADF (Bad file descriptor) [pid 5303] close(25) = -1 EBADF (Bad file descriptor) [pid 5303] close(26) = -1 EBADF (Bad file descriptor) [pid 5303] close(27) = -1 EBADF (Bad file descriptor) [pid 5303] close(28) = -1 EBADF (Bad file descriptor) [pid 5303] close(29) = -1 EBADF (Bad file descriptor) [pid 5303] exit_group(0 [pid 5305] <... clone resumed>) = ? [pid 5304] <... futex resumed>) = ? [pid 5303] <... exit_group resumed>) = ? [pid 5305] +++ exited with 0 +++ [pid 5304] +++ exited with 0 +++ [pid 5303] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=218, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=70 /* 0.70 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 222 ./strace-static-x86_64: Process 5307 attached [pid 5307] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5307] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5307] setpgid(0, 0) = 0 [pid 5307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5307] write(3, "1000", 4) = 4 [pid 5307] close(3) = 0 [pid 5307] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5307] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5307] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5307] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[223], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 223 [pid 5307] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5307] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5308 attached [pid 5308] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5308] memfd_create("syzkaller", 0) = 3 [pid 5308] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5306] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=221, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5308] 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"..., 67108864) = 67108864 [pid 5308] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5308] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5308] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5308] ioctl(4, LOOP_CLR_FD) = 0 [pid 5308] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5308] close(4) = 0 [pid 5308] close(3) = 0 [pid 5308] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5307] <... futex resumed>) = 0 [pid 5307] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5307] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5308] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5307] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5307] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5307] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5307] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5307] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5307] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[224], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 224 [pid 5307] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5307] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5308] <... mmap resumed>) = 0x20000000 [pid 5308] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5308] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5309 attached [pid 5309] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5309] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5310 attached [pid 5310] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5307] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5307] close(3) = -1 EBADF (Bad file descriptor) [pid 5307] close(4) = -1 EBADF (Bad file descriptor) [pid 5307] close(5) = -1 EBADF (Bad file descriptor) [pid 5307] close(6) = -1 EBADF (Bad file descriptor) [pid 5307] close(7) = -1 EBADF (Bad file descriptor) [pid 5307] close(8) = -1 EBADF (Bad file descriptor) [pid 5307] close(9) = -1 EBADF (Bad file descriptor) [pid 5307] close(10) = -1 EBADF (Bad file descriptor) [pid 5307] close(11) = -1 EBADF (Bad file descriptor) [pid 5307] close(12) = -1 EBADF (Bad file descriptor) [pid 5307] close(13) = -1 EBADF (Bad file descriptor) [pid 5307] close(14) = -1 EBADF (Bad file descriptor) [pid 5307] close(15) = -1 EBADF (Bad file descriptor) [pid 5307] close(16) = -1 EBADF (Bad file descriptor) [pid 5307] close(17) = -1 EBADF (Bad file descriptor) [pid 5307] close(18) = -1 EBADF (Bad file descriptor) [pid 5307] close(19) = -1 EBADF (Bad file descriptor) [pid 5307] close(20) = -1 EBADF (Bad file descriptor) [pid 5307] close(21) = -1 EBADF (Bad file descriptor) [pid 5307] close(22) = -1 EBADF (Bad file descriptor) [pid 5307] close(23) = -1 EBADF (Bad file descriptor) [pid 5307] close(24) = -1 EBADF (Bad file descriptor) [pid 5307] close(25) = -1 EBADF (Bad file descriptor) [pid 5307] close(26) = -1 EBADF (Bad file descriptor) [pid 5307] close(27) = -1 EBADF (Bad file descriptor) [pid 5307] close(28) = -1 EBADF (Bad file descriptor) [pid 5307] close(29) = -1 EBADF (Bad file descriptor) [pid 5307] exit_group(0) = ? [pid 5309] <... clone resumed>) = ? [pid 5308] <... futex resumed>) = ? [pid 5308] +++ exited with 0 +++ [pid 5309] +++ exited with 0 +++ [pid 5307] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=222, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=70 /* 0.70 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 226 ./strace-static-x86_64: Process 5311 attached [pid 5311] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5311] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5311] setpgid(0, 0) = 0 [pid 5311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5311] write(3, "1000", 4) = 4 [pid 5311] close(3) = 0 [pid 5311] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5311] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5311] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5311] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[227], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 227 [pid 5311] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5311] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5312 attached [pid 5312] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5312] memfd_create("syzkaller", 0) = 3 [pid 5312] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5312] 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"..., 67108864 [pid 5310] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=225, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5312] <... write resumed>) = 67108864 [pid 5312] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5312] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5312] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5312] ioctl(4, LOOP_CLR_FD) = 0 [pid 5312] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5312] close(4) = 0 [pid 5312] close(3) = 0 [pid 5312] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5311] <... futex resumed>) = 0 [pid 5311] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5311] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5312] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5311] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5311] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5311] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5312] <... mmap resumed>) = 0x20000000 [pid 5311] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5311] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5312] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5311] <... mprotect resumed>) = 0 [pid 5311] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5312] <... futex resumed>) = 0 [pid 5311] <... clone resumed>, parent_tid=[228], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 228 [pid 5311] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5311] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5312] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5313 attached [pid 5313] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5313] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5314 attached [pid 5314] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5311] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5311] close(3) = -1 EBADF (Bad file descriptor) [pid 5311] close(4) = -1 EBADF (Bad file descriptor) [pid 5311] close(5) = -1 EBADF (Bad file descriptor) [pid 5311] close(6) = -1 EBADF (Bad file descriptor) [pid 5311] close(7) = -1 EBADF (Bad file descriptor) [pid 5311] close(8) = -1 EBADF (Bad file descriptor) [pid 5311] close(9) = -1 EBADF (Bad file descriptor) [pid 5311] close(10) = -1 EBADF (Bad file descriptor) [pid 5311] close(11) = -1 EBADF (Bad file descriptor) [pid 5311] close(12) = -1 EBADF (Bad file descriptor) [pid 5311] close(13) = -1 EBADF (Bad file descriptor) [pid 5311] close(14) = -1 EBADF (Bad file descriptor) [pid 5311] close(15) = -1 EBADF (Bad file descriptor) [pid 5311] close(16) = -1 EBADF (Bad file descriptor) [pid 5311] close(17) = -1 EBADF (Bad file descriptor) [pid 5311] close(18) = -1 EBADF (Bad file descriptor) [pid 5311] close(19) = -1 EBADF (Bad file descriptor) [pid 5311] close(20) = -1 EBADF (Bad file descriptor) [pid 5311] close(21) = -1 EBADF (Bad file descriptor) [pid 5311] close(22) = -1 EBADF (Bad file descriptor) [pid 5311] close(23) = -1 EBADF (Bad file descriptor) [pid 5311] close(24) = -1 EBADF (Bad file descriptor) [pid 5311] close(25) = -1 EBADF (Bad file descriptor) [pid 5311] close(26) = -1 EBADF (Bad file descriptor) [pid 5311] close(27) = -1 EBADF (Bad file descriptor) [pid 5311] close(28) = -1 EBADF (Bad file descriptor) [pid 5311] close(29) = -1 EBADF (Bad file descriptor) [pid 5311] exit_group(0 [pid 5313] <... clone resumed>) = ? [pid 5312] <... futex resumed>) = ? [pid 5311] <... exit_group resumed>) = ? [pid 5313] +++ exited with 0 +++ [pid 5312] +++ exited with 0 +++ [pid 5311] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=226, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=69 /* 0.69 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 230 ./strace-static-x86_64: Process 5315 attached [pid 5315] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5315] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5315] setpgid(0, 0) = 0 [pid 5315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5315] write(3, "1000", 4) = 4 [pid 5315] close(3) = 0 [pid 5315] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5315] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5315] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5315] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[231], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 231 [pid 5315] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5315] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5316 attached [pid 5316] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5316] memfd_create("syzkaller", 0) = 3 [pid 5316] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5316] 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"..., 67108864 [pid 5314] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=229, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=33 /* 0.33 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5316] <... write resumed>) = 67108864 [pid 5316] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5316] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5316] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5316] ioctl(4, LOOP_CLR_FD) = 0 [pid 5316] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5316] close(4) = 0 [pid 5316] close(3) = 0 [pid 5316] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5316] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5315] <... futex resumed>) = 0 [pid 5315] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5316] <... futex resumed>) = 0 [pid 5316] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5315] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5315] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5315] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5316] <... mmap resumed>) = 0x20000000 [pid 5315] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5316] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5316] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5315] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5315] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[232], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 232 [pid 5315] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5315] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5317 attached [pid 5317] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5317] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5318 attached [pid 5318] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5315] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5315] close(3) = -1 EBADF (Bad file descriptor) [pid 5315] close(4) = -1 EBADF (Bad file descriptor) [pid 5315] close(5) = -1 EBADF (Bad file descriptor) [pid 5315] close(6) = -1 EBADF (Bad file descriptor) [pid 5315] close(7) = -1 EBADF (Bad file descriptor) [pid 5315] close(8) = -1 EBADF (Bad file descriptor) [pid 5315] close(9) = -1 EBADF (Bad file descriptor) [pid 5315] close(10) = -1 EBADF (Bad file descriptor) [pid 5315] close(11) = -1 EBADF (Bad file descriptor) [pid 5315] close(12) = -1 EBADF (Bad file descriptor) [pid 5315] close(13) = -1 EBADF (Bad file descriptor) [pid 5315] close(14) = -1 EBADF (Bad file descriptor) [pid 5315] close(15) = -1 EBADF (Bad file descriptor) [pid 5315] close(16) = -1 EBADF (Bad file descriptor) [pid 5315] close(17) = -1 EBADF (Bad file descriptor) [pid 5315] close(18) = -1 EBADF (Bad file descriptor) [pid 5315] close(19) = -1 EBADF (Bad file descriptor) [pid 5315] close(20) = -1 EBADF (Bad file descriptor) [pid 5315] close(21) = -1 EBADF (Bad file descriptor) [pid 5315] close(22) = -1 EBADF (Bad file descriptor) [pid 5315] close(23) = -1 EBADF (Bad file descriptor) [pid 5315] close(24) = -1 EBADF (Bad file descriptor) [pid 5315] close(25) = -1 EBADF (Bad file descriptor) [pid 5315] close(26) = -1 EBADF (Bad file descriptor) [pid 5315] close(27) = -1 EBADF (Bad file descriptor) [pid 5315] close(28) = -1 EBADF (Bad file descriptor) [pid 5315] close(29) = -1 EBADF (Bad file descriptor) [pid 5315] exit_group(0 [pid 5317] <... clone resumed>) = ? [pid 5315] <... exit_group resumed>) = ? [pid 5317] +++ exited with 0 +++ [pid 5316] <... futex resumed>) = ? [pid 5316] +++ exited with 0 +++ [pid 5315] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=230, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=74 /* 0.74 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 234 ./strace-static-x86_64: Process 5319 attached [pid 5319] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5319] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5319] setpgid(0, 0) = 0 [pid 5319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5319] write(3, "1000", 4) = 4 [pid 5319] close(3) = 0 [pid 5319] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5319] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5319] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5319] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[235], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 235 [pid 5319] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5319] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5320 attached [pid 5320] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5320] memfd_create("syzkaller", 0) = 3 [pid 5320] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5320] 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"..., 67108864 [pid 5318] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=233, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5320] <... write resumed>) = 67108864 [pid 5320] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5320] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5320] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5320] ioctl(4, LOOP_CLR_FD) = 0 [pid 5320] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5320] close(4) = 0 [pid 5320] close(3) = 0 [pid 5320] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5319] <... futex resumed>) = 0 [pid 5319] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5319] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5320] <... futex resumed>) = 1 [pid 5320] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5319] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5319] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5319] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5319] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5319] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5319] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[236], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 236 [pid 5319] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5319] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5320] <... mmap resumed>) = 0x20000000 [pid 5320] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5320] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5321 attached [pid 5321] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5321] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5322 attached [pid 5322] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5319] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5319] close(3) = -1 EBADF (Bad file descriptor) [pid 5319] close(4) = -1 EBADF (Bad file descriptor) [pid 5319] close(5) = -1 EBADF (Bad file descriptor) [pid 5319] close(6) = -1 EBADF (Bad file descriptor) [pid 5319] close(7) = -1 EBADF (Bad file descriptor) [pid 5319] close(8) = -1 EBADF (Bad file descriptor) [pid 5319] close(9) = -1 EBADF (Bad file descriptor) [pid 5319] close(10) = -1 EBADF (Bad file descriptor) [pid 5319] close(11) = -1 EBADF (Bad file descriptor) [pid 5319] close(12) = -1 EBADF (Bad file descriptor) [pid 5319] close(13) = -1 EBADF (Bad file descriptor) [pid 5319] close(14) = -1 EBADF (Bad file descriptor) [pid 5319] close(15) = -1 EBADF (Bad file descriptor) [pid 5319] close(16) = -1 EBADF (Bad file descriptor) [pid 5319] close(17) = -1 EBADF (Bad file descriptor) [pid 5319] close(18) = -1 EBADF (Bad file descriptor) [pid 5319] close(19) = -1 EBADF (Bad file descriptor) [pid 5319] close(20) = -1 EBADF (Bad file descriptor) [pid 5319] close(21) = -1 EBADF (Bad file descriptor) [pid 5319] close(22) = -1 EBADF (Bad file descriptor) [pid 5319] close(23) = -1 EBADF (Bad file descriptor) [pid 5319] close(24) = -1 EBADF (Bad file descriptor) [pid 5319] close(25) = -1 EBADF (Bad file descriptor) [pid 5319] close(26) = -1 EBADF (Bad file descriptor) [pid 5319] close(27) = -1 EBADF (Bad file descriptor) [pid 5319] close(28) = -1 EBADF (Bad file descriptor) [pid 5319] close(29) = -1 EBADF (Bad file descriptor) [pid 5319] exit_group(0) = ? [pid 5321] <... clone resumed>) = ? [pid 5320] <... futex resumed>) = ? [pid 5320] +++ exited with 0 +++ [pid 5321] +++ exited with 0 +++ [pid 5319] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=234, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=70 /* 0.70 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 238 ./strace-static-x86_64: Process 5323 attached [pid 5323] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5323] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5323] setpgid(0, 0) = 0 [pid 5323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5323] write(3, "1000", 4) = 4 [pid 5323] close(3) = 0 [pid 5323] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5323] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5323] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[239], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 239 [pid 5323] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5323] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5324 attached [pid 5324] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5324] memfd_create("syzkaller", 0) = 3 [pid 5324] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5322] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=237, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=41 /* 0.41 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5324] 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"..., 67108864) = 67108864 [pid 5324] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5324] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5324] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5324] ioctl(4, LOOP_CLR_FD) = 0 [pid 5324] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5324] close(4) = 0 [pid 5324] close(3) = 0 [pid 5324] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5323] <... futex resumed>) = 0 [pid 5323] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5323] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5324] <... futex resumed>) = 1 [pid 5324] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5323] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5323] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5323] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5323] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5323] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[240], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 240 [pid 5323] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5323] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5324] <... mmap resumed>) = 0x20000000 [pid 5324] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5324] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5325 attached [pid 5325] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5325] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5326 attached [pid 5326] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5323] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5323] close(3) = -1 EBADF (Bad file descriptor) [pid 5323] close(4) = -1 EBADF (Bad file descriptor) [pid 5323] close(5) = -1 EBADF (Bad file descriptor) [pid 5323] close(6) = -1 EBADF (Bad file descriptor) [pid 5323] close(7) = -1 EBADF (Bad file descriptor) [pid 5323] close(8) = -1 EBADF (Bad file descriptor) [pid 5323] close(9) = -1 EBADF (Bad file descriptor) [pid 5323] close(10) = -1 EBADF (Bad file descriptor) [pid 5323] close(11) = -1 EBADF (Bad file descriptor) [pid 5323] close(12) = -1 EBADF (Bad file descriptor) [pid 5323] close(13) = -1 EBADF (Bad file descriptor) [pid 5323] close(14) = -1 EBADF (Bad file descriptor) [pid 5323] close(15) = -1 EBADF (Bad file descriptor) [pid 5323] close(16) = -1 EBADF (Bad file descriptor) [pid 5323] close(17) = -1 EBADF (Bad file descriptor) [pid 5323] close(18) = -1 EBADF (Bad file descriptor) [pid 5323] close(19) = -1 EBADF (Bad file descriptor) [pid 5323] close(20) = -1 EBADF (Bad file descriptor) [pid 5323] close(21) = -1 EBADF (Bad file descriptor) [pid 5323] close(22) = -1 EBADF (Bad file descriptor) [pid 5323] close(23) = -1 EBADF (Bad file descriptor) [pid 5323] close(24) = -1 EBADF (Bad file descriptor) [pid 5323] close(25) = -1 EBADF (Bad file descriptor) [pid 5323] close(26) = -1 EBADF (Bad file descriptor) [pid 5323] close(27) = -1 EBADF (Bad file descriptor) [pid 5323] close(28) = -1 EBADF (Bad file descriptor) [pid 5323] close(29) = -1 EBADF (Bad file descriptor) [pid 5323] exit_group(0) = ? [pid 5324] <... futex resumed>) = ? [pid 5325] <... clone resumed>) = ? [pid 5324] +++ exited with 0 +++ [pid 5325] +++ exited with 0 +++ [pid 5323] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=238, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=72 /* 0.72 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 242 ./strace-static-x86_64: Process 5327 attached [pid 5327] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5327] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5327] setpgid(0, 0) = 0 [pid 5327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5327] write(3, "1000", 4) = 4 [pid 5327] close(3) = 0 [pid 5327] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5327] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5327] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5327] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[243], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 243 [pid 5327] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5327] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5328 attached [pid 5328] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5328] memfd_create("syzkaller", 0) = 3 [pid 5328] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5328] 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"..., 67108864 [pid 5326] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=241, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=34 /* 0.34 s */} --- [pid 5328] <... write resumed>) = 67108864 [pid 5328] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5328] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5328] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5328] ioctl(4, LOOP_CLR_FD) = 0 [pid 5328] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5328] close(4) = 0 [pid 5328] close(3) = 0 [pid 5328] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5327] <... futex resumed>) = 0 [pid 5327] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5327] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5328] <... futex resumed>) = 1 [pid 5328] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5327] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5327] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5327] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5327] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5327] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5327] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[244], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 244 [pid 5327] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5327] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5328] <... mmap resumed>) = 0x20000000 [pid 5328] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5328] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5329 attached [pid 5329] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5329] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5330 attached [pid 5330] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5327] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5327] close(3) = -1 EBADF (Bad file descriptor) [pid 5327] close(4) = -1 EBADF (Bad file descriptor) [pid 5327] close(5) = -1 EBADF (Bad file descriptor) [pid 5327] close(6) = -1 EBADF (Bad file descriptor) [pid 5327] close(7) = -1 EBADF (Bad file descriptor) [pid 5327] close(8) = -1 EBADF (Bad file descriptor) [pid 5327] close(9) = -1 EBADF (Bad file descriptor) [pid 5327] close(10) = -1 EBADF (Bad file descriptor) [pid 5327] close(11) = -1 EBADF (Bad file descriptor) [pid 5327] close(12) = -1 EBADF (Bad file descriptor) [pid 5327] close(13) = -1 EBADF (Bad file descriptor) [pid 5327] close(14) = -1 EBADF (Bad file descriptor) [pid 5327] close(15) = -1 EBADF (Bad file descriptor) [pid 5327] close(16) = -1 EBADF (Bad file descriptor) [pid 5327] close(17) = -1 EBADF (Bad file descriptor) [pid 5327] close(18) = -1 EBADF (Bad file descriptor) [pid 5327] close(19) = -1 EBADF (Bad file descriptor) [pid 5327] close(20) = -1 EBADF (Bad file descriptor) [pid 5327] close(21) = -1 EBADF (Bad file descriptor) [pid 5327] close(22) = -1 EBADF (Bad file descriptor) [pid 5327] close(23) = -1 EBADF (Bad file descriptor) [pid 5327] close(24) = -1 EBADF (Bad file descriptor) [pid 5327] close(25) = -1 EBADF (Bad file descriptor) [pid 5327] close(26) = -1 EBADF (Bad file descriptor) [pid 5327] close(27) = -1 EBADF (Bad file descriptor) [pid 5327] close(28) = -1 EBADF (Bad file descriptor) [pid 5327] close(29) = -1 EBADF (Bad file descriptor) [pid 5327] exit_group(0 [pid 5329] <... clone resumed>) = ? [pid 5328] <... futex resumed>) = ? [pid 5327] <... exit_group resumed>) = ? [pid 5329] +++ exited with 0 +++ [pid 5328] +++ exited with 0 +++ [pid 5327] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=242, si_uid=0, si_status=0, si_utime=18 /* 0.18 s */, si_stime=67 /* 0.67 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 246 ./strace-static-x86_64: Process 5331 attached [pid 5331] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5331] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5331] setpgid(0, 0) = 0 [pid 5331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5331] write(3, "1000", 4) = 4 [pid 5331] close(3) = 0 [pid 5331] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5331] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5331] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5331] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[247], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 247 [pid 5331] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5331] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5332 attached [pid 5332] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5332] memfd_create("syzkaller", 0) = 3 [pid 5332] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5330] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=245, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=40 /* 0.40 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5332] 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"..., 67108864) = 67108864 [pid 5332] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5332] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5332] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5332] ioctl(4, LOOP_CLR_FD) = 0 [pid 5332] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5332] close(4) = 0 [pid 5332] close(3) = 0 [pid 5332] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5331] <... futex resumed>) = 0 [pid 5331] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5331] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5332] <... futex resumed>) = 1 [pid 5332] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5331] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5331] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5331] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5331] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5331] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[248], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 248 [pid 5331] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5331] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5332] <... mmap resumed>) = 0x20000000 [pid 5332] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5332] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5333 attached [pid 5333] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5333] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5334 attached [pid 5334] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5331] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5331] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5331] close(3) = -1 EBADF (Bad file descriptor) [pid 5331] close(4) = -1 EBADF (Bad file descriptor) [pid 5331] close(5) = -1 EBADF (Bad file descriptor) [pid 5331] close(6) = -1 EBADF (Bad file descriptor) [pid 5331] close(7) = -1 EBADF (Bad file descriptor) [pid 5331] close(8) = -1 EBADF (Bad file descriptor) [pid 5331] close(9) = -1 EBADF (Bad file descriptor) [pid 5331] close(10) = -1 EBADF (Bad file descriptor) [pid 5331] close(11) = -1 EBADF (Bad file descriptor) [pid 5331] close(12) = -1 EBADF (Bad file descriptor) [pid 5331] close(13) = -1 EBADF (Bad file descriptor) [pid 5331] close(14) = -1 EBADF (Bad file descriptor) [pid 5331] close(15) = -1 EBADF (Bad file descriptor) [pid 5331] close(16) = -1 EBADF (Bad file descriptor) [pid 5331] close(17) = -1 EBADF (Bad file descriptor) [pid 5331] close(18) = -1 EBADF (Bad file descriptor) [pid 5331] close(19) = -1 EBADF (Bad file descriptor) [pid 5331] close(20) = -1 EBADF (Bad file descriptor) [pid 5331] close(21) = -1 EBADF (Bad file descriptor) [pid 5331] close(22) = -1 EBADF (Bad file descriptor) [pid 5331] close(23) = -1 EBADF (Bad file descriptor) [pid 5331] close(24) = -1 EBADF (Bad file descriptor) [pid 5331] close(25) = -1 EBADF (Bad file descriptor) [pid 5331] close(26) = -1 EBADF (Bad file descriptor) [pid 5331] close(27) = -1 EBADF (Bad file descriptor) [pid 5331] close(28) = -1 EBADF (Bad file descriptor) [pid 5331] close(29) = -1 EBADF (Bad file descriptor) [pid 5331] exit_group(0 [pid 5333] <... clone resumed>) = ? [pid 5332] <... futex resumed>) = ? [pid 5331] <... exit_group resumed>) = ? [pid 5333] +++ exited with 0 +++ [pid 5332] +++ exited with 0 +++ [pid 5331] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=246, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=76 /* 0.76 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 250 ./strace-static-x86_64: Process 5335 attached [pid 5335] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5335] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5335] setpgid(0, 0) = 0 [pid 5335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5335] write(3, "1000", 4) = 4 [pid 5335] close(3) = 0 [pid 5335] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5335] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5335] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5335] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[251], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 251 [pid 5335] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5335] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5336 attached [pid 5336] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5336] memfd_create("syzkaller", 0) = 3 [pid 5336] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5336] 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"..., 67108864 [pid 5334] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=249, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5336] <... write resumed>) = 67108864 [pid 5336] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5336] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5336] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5336] ioctl(4, LOOP_CLR_FD) = 0 [pid 5336] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5336] close(4) = 0 [pid 5336] close(3) = 0 [pid 5336] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5335] <... futex resumed>) = 0 [pid 5335] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5335] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5336] <... futex resumed>) = 1 [pid 5336] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5335] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5335] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5335] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5335] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5335] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[252], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 252 [pid 5335] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5335] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5336] <... mmap resumed>) = 0x20000000 [pid 5336] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5336] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5337 attached [pid 5337] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5337] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5338 attached [pid 5338] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5335] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5335] close(3) = -1 EBADF (Bad file descriptor) [pid 5335] close(4) = -1 EBADF (Bad file descriptor) [pid 5335] close(5) = -1 EBADF (Bad file descriptor) [pid 5335] close(6) = -1 EBADF (Bad file descriptor) [pid 5335] close(7) = -1 EBADF (Bad file descriptor) [pid 5335] close(8) = -1 EBADF (Bad file descriptor) [pid 5335] close(9) = -1 EBADF (Bad file descriptor) [pid 5335] close(10) = -1 EBADF (Bad file descriptor) [pid 5335] close(11) = -1 EBADF (Bad file descriptor) [pid 5335] close(12) = -1 EBADF (Bad file descriptor) [pid 5335] close(13) = -1 EBADF (Bad file descriptor) [pid 5335] close(14) = -1 EBADF (Bad file descriptor) [pid 5335] close(15) = -1 EBADF (Bad file descriptor) [pid 5335] close(16) = -1 EBADF (Bad file descriptor) [pid 5335] close(17) = -1 EBADF (Bad file descriptor) [pid 5335] close(18) = -1 EBADF (Bad file descriptor) [pid 5335] close(19) = -1 EBADF (Bad file descriptor) [pid 5335] close(20) = -1 EBADF (Bad file descriptor) [pid 5335] close(21) = -1 EBADF (Bad file descriptor) [pid 5335] close(22) = -1 EBADF (Bad file descriptor) [pid 5335] close(23) = -1 EBADF (Bad file descriptor) [pid 5335] close(24) = -1 EBADF (Bad file descriptor) [pid 5335] close(25) = -1 EBADF (Bad file descriptor) [pid 5335] close(26) = -1 EBADF (Bad file descriptor) [pid 5335] close(27) = -1 EBADF (Bad file descriptor) [pid 5335] close(28) = -1 EBADF (Bad file descriptor) [pid 5335] close(29) = -1 EBADF (Bad file descriptor) [pid 5335] exit_group(0 [pid 5337] <... clone resumed>) = ? [pid 5336] <... futex resumed>) = ? [pid 5335] <... exit_group resumed>) = ? [pid 5337] +++ exited with 0 +++ [pid 5336] +++ exited with 0 +++ [pid 5335] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=250, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=66 /* 0.66 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 254 ./strace-static-x86_64: Process 5339 attached [pid 5339] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5339] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5339] setpgid(0, 0) = 0 [pid 5339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5339] write(3, "1000", 4) = 4 [pid 5339] close(3) = 0 [pid 5339] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5339] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5339] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5339] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[255], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 255 [pid 5339] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5339] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5340 attached [pid 5340] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5340] memfd_create("syzkaller", 0) = 3 [pid 5340] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5340] 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"..., 67108864 [pid 5338] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=253, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=42 /* 0.42 s */} --- [pid 5340] <... write resumed>) = 67108864 [pid 5340] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5340] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5340] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5340] ioctl(4, LOOP_CLR_FD) = 0 [pid 5340] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5340] close(4) = 0 [pid 5340] close(3) = 0 [pid 5340] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5340] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5339] <... futex resumed>) = 0 [pid 5339] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5340] <... futex resumed>) = 0 [pid 5340] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5339] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5339] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5339] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5340] <... mmap resumed>) = 0x20000000 [pid 5340] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5339] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5340] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5339] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5339] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5341 attached , parent_tid=[256], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 256 [pid 5339] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5339] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5341] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5341] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5342 attached [pid 5342] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5339] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5339] close(3) = -1 EBADF (Bad file descriptor) [pid 5339] close(4) = -1 EBADF (Bad file descriptor) [pid 5339] close(5) = -1 EBADF (Bad file descriptor) [pid 5339] close(6) = -1 EBADF (Bad file descriptor) [pid 5339] close(7) = -1 EBADF (Bad file descriptor) [pid 5339] close(8) = -1 EBADF (Bad file descriptor) [pid 5339] close(9) = -1 EBADF (Bad file descriptor) [pid 5339] close(10) = -1 EBADF (Bad file descriptor) [pid 5339] close(11) = -1 EBADF (Bad file descriptor) [pid 5339] close(12) = -1 EBADF (Bad file descriptor) [pid 5339] close(13) = -1 EBADF (Bad file descriptor) [pid 5339] close(14) = -1 EBADF (Bad file descriptor) [pid 5339] close(15) = -1 EBADF (Bad file descriptor) [pid 5339] close(16) = -1 EBADF (Bad file descriptor) [pid 5339] close(17) = -1 EBADF (Bad file descriptor) [pid 5339] close(18) = -1 EBADF (Bad file descriptor) [pid 5339] close(19) = -1 EBADF (Bad file descriptor) [pid 5339] close(20) = -1 EBADF (Bad file descriptor) [pid 5339] close(21) = -1 EBADF (Bad file descriptor) [pid 5339] close(22) = -1 EBADF (Bad file descriptor) [pid 5339] close(23) = -1 EBADF (Bad file descriptor) [pid 5339] close(24) = -1 EBADF (Bad file descriptor) [pid 5339] close(25) = -1 EBADF (Bad file descriptor) [pid 5339] close(26) = -1 EBADF (Bad file descriptor) [pid 5339] close(27) = -1 EBADF (Bad file descriptor) [pid 5339] close(28) = -1 EBADF (Bad file descriptor) [pid 5339] close(29) = -1 EBADF (Bad file descriptor) [pid 5339] exit_group(0 [pid 5341] <... clone resumed>) = ? [pid 5340] <... futex resumed>) = ? [pid 5339] <... exit_group resumed>) = ? [pid 5341] +++ exited with 0 +++ [pid 5340] +++ exited with 0 +++ [pid 5339] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=254, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=64 /* 0.64 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 258 ./strace-static-x86_64: Process 5343 attached [pid 5343] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5343] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5343] setpgid(0, 0) = 0 [pid 5343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5343] write(3, "1000", 4) = 4 [pid 5343] close(3) = 0 [pid 5343] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5343] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5343] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5343] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[259], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 259 [pid 5343] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5343] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5344 attached [pid 5344] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5344] memfd_create("syzkaller", 0) = 3 [pid 5344] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5342] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=257, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=34 /* 0.34 s */} --- [pid 5344] 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"..., 67108864) = 67108864 [pid 5344] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5344] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5344] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5344] ioctl(4, LOOP_CLR_FD) = 0 [pid 5344] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5344] close(4) = 0 [pid 5344] close(3) = 0 [pid 5344] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5343] <... futex resumed>) = 0 [pid 5343] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5343] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5344] <... futex resumed>) = 1 [pid 5344] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5343] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5343] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5343] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5343] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5343] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5343] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[260], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 260 [pid 5343] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5343] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5344] <... mmap resumed>) = 0x20000000 [pid 5344] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5344] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5345 attached [pid 5345] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5345] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5346 attached [pid 5346] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5343] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5343] close(3) = -1 EBADF (Bad file descriptor) [pid 5343] close(4) = -1 EBADF (Bad file descriptor) [pid 5343] close(5) = -1 EBADF (Bad file descriptor) [pid 5343] close(6) = -1 EBADF (Bad file descriptor) [pid 5343] close(7) = -1 EBADF (Bad file descriptor) [pid 5343] close(8) = -1 EBADF (Bad file descriptor) [pid 5343] close(9) = -1 EBADF (Bad file descriptor) [pid 5343] close(10) = -1 EBADF (Bad file descriptor) [pid 5343] close(11) = -1 EBADF (Bad file descriptor) [pid 5343] close(12) = -1 EBADF (Bad file descriptor) [pid 5343] close(13) = -1 EBADF (Bad file descriptor) [pid 5343] close(14) = -1 EBADF (Bad file descriptor) [pid 5343] close(15) = -1 EBADF (Bad file descriptor) [pid 5343] close(16) = -1 EBADF (Bad file descriptor) [pid 5343] close(17) = -1 EBADF (Bad file descriptor) [pid 5343] close(18) = -1 EBADF (Bad file descriptor) [pid 5343] close(19) = -1 EBADF (Bad file descriptor) [pid 5343] close(20) = -1 EBADF (Bad file descriptor) [pid 5343] close(21) = -1 EBADF (Bad file descriptor) [pid 5343] close(22) = -1 EBADF (Bad file descriptor) [pid 5343] close(23) = -1 EBADF (Bad file descriptor) [pid 5343] close(24) = -1 EBADF (Bad file descriptor) [pid 5343] close(25) = -1 EBADF (Bad file descriptor) [pid 5343] close(26) = -1 EBADF (Bad file descriptor) [pid 5343] close(27) = -1 EBADF (Bad file descriptor) [pid 5343] close(28) = -1 EBADF (Bad file descriptor) [pid 5343] close(29) = -1 EBADF (Bad file descriptor) [pid 5343] exit_group(0 [pid 5345] <... clone resumed>) = ? [pid 5344] <... futex resumed>) = ? [pid 5343] <... exit_group resumed>) = ? [pid 5345] +++ exited with 0 +++ [pid 5344] +++ exited with 0 +++ [pid 5343] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=258, si_uid=0, si_status=0, si_utime=19 /* 0.19 s */, si_stime=69 /* 0.69 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 262 ./strace-static-x86_64: Process 5347 attached [pid 5347] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5347] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5347] setpgid(0, 0) = 0 [pid 5347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5347] write(3, "1000", 4) = 4 [pid 5347] close(3) = 0 [pid 5347] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5347] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5347] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[263], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 263 [pid 5347] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5347] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5348 attached [pid 5348] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5348] memfd_create("syzkaller", 0) = 3 [pid 5348] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5346] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=261, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=43 /* 0.43 s */} --- [pid 5348] 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"..., 67108864) = 67108864 [pid 5348] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5348] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5348] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5348] ioctl(4, LOOP_CLR_FD) = 0 [pid 5348] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5348] close(4) = 0 [pid 5348] close(3) = 0 [pid 5348] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5347] <... futex resumed>) = 0 [pid 5347] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5347] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5348] <... futex resumed>) = 1 [pid 5348] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5347] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5347] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5347] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5347] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5347] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[264], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 264 [pid 5347] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5347] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5348] <... mmap resumed>) = 0x20000000 [pid 5348] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5348] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5349 attached [pid 5349] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5349] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5350 attached [pid 5350] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5347] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5347] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5347] close(3) = -1 EBADF (Bad file descriptor) [pid 5347] close(4) = -1 EBADF (Bad file descriptor) [pid 5347] close(5) = -1 EBADF (Bad file descriptor) [pid 5347] close(6) = -1 EBADF (Bad file descriptor) [pid 5347] close(7) = -1 EBADF (Bad file descriptor) [pid 5347] close(8) = -1 EBADF (Bad file descriptor) [pid 5347] close(9) = -1 EBADF (Bad file descriptor) [pid 5347] close(10) = -1 EBADF (Bad file descriptor) [pid 5347] close(11) = -1 EBADF (Bad file descriptor) [pid 5347] close(12) = -1 EBADF (Bad file descriptor) [pid 5347] close(13) = -1 EBADF (Bad file descriptor) [pid 5347] close(14) = -1 EBADF (Bad file descriptor) [pid 5347] close(15) = -1 EBADF (Bad file descriptor) [pid 5347] close(16) = -1 EBADF (Bad file descriptor) [pid 5347] close(17) = -1 EBADF (Bad file descriptor) [pid 5347] close(18) = -1 EBADF (Bad file descriptor) [pid 5347] close(19) = -1 EBADF (Bad file descriptor) [pid 5347] close(20) = -1 EBADF (Bad file descriptor) [pid 5347] close(21) = -1 EBADF (Bad file descriptor) [pid 5347] close(22) = -1 EBADF (Bad file descriptor) [pid 5347] close(23) = -1 EBADF (Bad file descriptor) [pid 5347] close(24) = -1 EBADF (Bad file descriptor) [pid 5347] close(25) = -1 EBADF (Bad file descriptor) [pid 5347] close(26) = -1 EBADF (Bad file descriptor) [pid 5347] close(27) = -1 EBADF (Bad file descriptor) [pid 5347] close(28) = -1 EBADF (Bad file descriptor) [pid 5347] close(29) = -1 EBADF (Bad file descriptor) [pid 5347] exit_group(0 [pid 5349] <... clone resumed>) = ? [pid 5348] <... futex resumed>) = ? [pid 5347] <... exit_group resumed>) = ? [pid 5349] +++ exited with 0 +++ [pid 5348] +++ exited with 0 +++ [pid 5347] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=262, si_uid=0, si_status=0, si_utime=18 /* 0.18 s */, si_stime=65 /* 0.65 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 266 ./strace-static-x86_64: Process 5351 attached [pid 5351] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5351] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5351] setpgid(0, 0) = 0 [pid 5351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5351] write(3, "1000", 4) = 4 [pid 5351] close(3) = 0 [pid 5351] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5351] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5351] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5351] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[267], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 267 [pid 5351] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5351] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5352 attached [pid 5352] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5352] memfd_create("syzkaller", 0) = 3 [pid 5352] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5350] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=265, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5352] 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"..., 67108864) = 67108864 [pid 5352] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5352] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5352] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5352] ioctl(4, LOOP_CLR_FD) = 0 [pid 5352] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5352] close(4) = 0 [pid 5352] close(3) = 0 [pid 5352] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5351] <... futex resumed>) = 0 [pid 5351] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5351] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5352] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5351] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5351] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5351] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5351] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5352] <... mmap resumed>) = 0x20000000 [pid 5351] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5351] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5352] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5351] <... mprotect resumed>) = 0 [pid 5351] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5352] <... futex resumed>) = 0 [pid 5351] <... clone resumed>, parent_tid=[268], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 268 [pid 5351] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5351] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5352] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5353 attached [pid 5353] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5353] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5354 attached [pid 5354] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5351] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5351] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5351] close(3) = -1 EBADF (Bad file descriptor) [pid 5351] close(4) = -1 EBADF (Bad file descriptor) [pid 5351] close(5) = -1 EBADF (Bad file descriptor) [pid 5351] close(6) = -1 EBADF (Bad file descriptor) [pid 5351] close(7) = -1 EBADF (Bad file descriptor) [pid 5351] close(8) = -1 EBADF (Bad file descriptor) [pid 5351] close(9) = -1 EBADF (Bad file descriptor) [pid 5351] close(10) = -1 EBADF (Bad file descriptor) [pid 5351] close(11) = -1 EBADF (Bad file descriptor) [pid 5351] close(12) = -1 EBADF (Bad file descriptor) [pid 5351] close(13) = -1 EBADF (Bad file descriptor) [pid 5351] close(14) = -1 EBADF (Bad file descriptor) [pid 5351] close(15) = -1 EBADF (Bad file descriptor) [pid 5351] close(16) = -1 EBADF (Bad file descriptor) [pid 5351] close(17) = -1 EBADF (Bad file descriptor) [pid 5351] close(18) = -1 EBADF (Bad file descriptor) [pid 5351] close(19) = -1 EBADF (Bad file descriptor) [pid 5351] close(20) = -1 EBADF (Bad file descriptor) [pid 5351] close(21) = -1 EBADF (Bad file descriptor) [pid 5351] close(22) = -1 EBADF (Bad file descriptor) [pid 5351] close(23) = -1 EBADF (Bad file descriptor) [pid 5351] close(24) = -1 EBADF (Bad file descriptor) [pid 5351] close(25) = -1 EBADF (Bad file descriptor) [pid 5351] close(26) = -1 EBADF (Bad file descriptor) [pid 5351] close(27) = -1 EBADF (Bad file descriptor) [pid 5351] close(28) = -1 EBADF (Bad file descriptor) [pid 5351] close(29) = -1 EBADF (Bad file descriptor) [pid 5351] exit_group(0 [pid 5353] <... clone resumed>) = ? [pid 5352] <... futex resumed>) = ? [pid 5351] <... exit_group resumed>) = ? [pid 5353] +++ exited with 0 +++ [pid 5352] +++ exited with 0 +++ [pid 5351] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=266, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=70 /* 0.70 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 270 ./strace-static-x86_64: Process 5355 attached [pid 5355] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5355] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5355] setpgid(0, 0) = 0 [pid 5355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5355] write(3, "1000", 4) = 4 [pid 5355] close(3) = 0 [pid 5355] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5355] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5355] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5355] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[271], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 271 [pid 5355] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5355] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5356 attached [pid 5356] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5356] memfd_create("syzkaller", 0) = 3 [pid 5356] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5354] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=269, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=40 /* 0.40 s */} --- [pid 5356] 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"..., 67108864) = 67108864 [pid 5356] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5356] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5356] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5356] ioctl(4, LOOP_CLR_FD) = 0 [pid 5356] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5356] close(4) = 0 [pid 5356] close(3) = 0 [pid 5356] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5355] <... futex resumed>) = 0 [pid 5355] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5355] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5356] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5355] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5355] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5355] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5355] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5356] <... mmap resumed>) = 0x20000000 [pid 5355] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5355] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5356] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5355] <... mprotect resumed>) = 0 [pid 5355] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5356] <... futex resumed>) = 0 [pid 5355] <... clone resumed>, parent_tid=[272], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 272 [pid 5355] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5355] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5356] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5357 attached [pid 5357] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5357] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5358 attached [pid 5358] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5355] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5355] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5355] close(3) = -1 EBADF (Bad file descriptor) [pid 5355] close(4) = -1 EBADF (Bad file descriptor) [pid 5355] close(5) = -1 EBADF (Bad file descriptor) [pid 5355] close(6) = -1 EBADF (Bad file descriptor) [pid 5355] close(7) = -1 EBADF (Bad file descriptor) [pid 5355] close(8) = -1 EBADF (Bad file descriptor) [pid 5355] close(9) = -1 EBADF (Bad file descriptor) [pid 5355] close(10) = -1 EBADF (Bad file descriptor) [pid 5355] close(11) = -1 EBADF (Bad file descriptor) [pid 5355] close(12) = -1 EBADF (Bad file descriptor) [pid 5355] close(13) = -1 EBADF (Bad file descriptor) [pid 5355] close(14) = -1 EBADF (Bad file descriptor) [pid 5355] close(15) = -1 EBADF (Bad file descriptor) [pid 5355] close(16) = -1 EBADF (Bad file descriptor) [pid 5355] close(17) = -1 EBADF (Bad file descriptor) [pid 5355] close(18) = -1 EBADF (Bad file descriptor) [pid 5355] close(19) = -1 EBADF (Bad file descriptor) [pid 5355] close(20) = -1 EBADF (Bad file descriptor) [pid 5355] close(21) = -1 EBADF (Bad file descriptor) [pid 5355] close(22) = -1 EBADF (Bad file descriptor) [pid 5355] close(23) = -1 EBADF (Bad file descriptor) [pid 5355] close(24) = -1 EBADF (Bad file descriptor) [pid 5355] close(25) = -1 EBADF (Bad file descriptor) [pid 5355] close(26) = -1 EBADF (Bad file descriptor) [pid 5355] close(27) = -1 EBADF (Bad file descriptor) [pid 5355] close(28) = -1 EBADF (Bad file descriptor) [pid 5355] close(29) = -1 EBADF (Bad file descriptor) [pid 5355] exit_group(0 [pid 5357] <... clone resumed>) = ? [pid 5356] <... futex resumed>) = ? [pid 5355] <... exit_group resumed>) = ? [pid 5357] +++ exited with 0 +++ [pid 5356] +++ exited with 0 +++ [pid 5355] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=270, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=64 /* 0.64 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 274 ./strace-static-x86_64: Process 5359 attached [pid 5359] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5359] setpgid(0, 0) = 0 [pid 5359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5359] write(3, "1000", 4) = 4 [pid 5359] close(3) = 0 [pid 5359] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5359] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5359] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5359] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[275], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 275 [pid 5359] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5359] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5360 attached [pid 5360] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5360] memfd_create("syzkaller", 0) = 3 [pid 5360] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5358] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=273, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=41 /* 0.41 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5360] 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"..., 67108864) = 67108864 [pid 5360] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5360] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5360] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5360] ioctl(4, LOOP_CLR_FD) = 0 [pid 5360] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5360] close(4) = 0 [pid 5360] close(3) = 0 [pid 5360] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5359] <... futex resumed>) = 0 [pid 5359] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5359] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5360] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5359] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5359] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5359] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5360] <... mmap resumed>) = 0x20000000 [pid 5359] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5359] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5359] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[276], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 276 [pid 5359] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5359] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5361 attached [pid 5361] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5361] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5360] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5360] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5362 attached [pid 5362] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5359] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5359] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5359] close(3) = -1 EBADF (Bad file descriptor) [pid 5359] close(4) = -1 EBADF (Bad file descriptor) [pid 5359] close(5) = -1 EBADF (Bad file descriptor) [pid 5359] close(6) = -1 EBADF (Bad file descriptor) [pid 5359] close(7) = -1 EBADF (Bad file descriptor) [pid 5359] close(8) = -1 EBADF (Bad file descriptor) [pid 5359] close(9) = -1 EBADF (Bad file descriptor) [pid 5359] close(10) = -1 EBADF (Bad file descriptor) [pid 5359] close(11) = -1 EBADF (Bad file descriptor) [pid 5359] close(12) = -1 EBADF (Bad file descriptor) [pid 5359] close(13) = -1 EBADF (Bad file descriptor) [pid 5359] close(14) = -1 EBADF (Bad file descriptor) [pid 5359] close(15) = -1 EBADF (Bad file descriptor) [pid 5359] close(16) = -1 EBADF (Bad file descriptor) [pid 5359] close(17) = -1 EBADF (Bad file descriptor) [pid 5359] close(18) = -1 EBADF (Bad file descriptor) [pid 5359] close(19) = -1 EBADF (Bad file descriptor) [pid 5359] close(20) = -1 EBADF (Bad file descriptor) [pid 5359] close(21) = -1 EBADF (Bad file descriptor) [pid 5359] close(22) = -1 EBADF (Bad file descriptor) [pid 5359] close(23) = -1 EBADF (Bad file descriptor) [pid 5359] close(24) = -1 EBADF (Bad file descriptor) [pid 5359] close(25) = -1 EBADF (Bad file descriptor) [pid 5359] close(26) = -1 EBADF (Bad file descriptor) [pid 5359] close(27) = -1 EBADF (Bad file descriptor) [pid 5359] close(28) = -1 EBADF (Bad file descriptor) [pid 5359] close(29) = -1 EBADF (Bad file descriptor) [pid 5359] exit_group(0 [pid 5361] <... clone resumed>) = ? [pid 5360] <... futex resumed>) = ? [pid 5359] <... exit_group resumed>) = ? [pid 5361] +++ exited with 0 +++ [pid 5360] +++ exited with 0 +++ [pid 5359] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=274, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=65 /* 0.65 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 278 ./strace-static-x86_64: Process 5363 attached [pid 5363] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5363] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5363] setpgid(0, 0) = 0 [pid 5363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5363] write(3, "1000", 4) = 4 [pid 5363] close(3) = 0 [pid 5363] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5363] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5363] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[279], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 279 [pid 5363] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5363] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5364 attached [pid 5364] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5364] memfd_create("syzkaller", 0) = 3 [pid 5364] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5364] 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"..., 67108864 [pid 5362] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=277, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5364] <... write resumed>) = 67108864 [pid 5364] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5364] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5364] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5364] ioctl(4, LOOP_CLR_FD) = 0 [pid 5364] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5364] close(4) = 0 [pid 5364] close(3) = 0 [pid 5364] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5363] <... futex resumed>) = 0 [pid 5363] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5363] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5364] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5363] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5363] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5363] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5364] <... mmap resumed>) = 0x20000000 [pid 5363] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5363] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5363] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5364] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5363] <... clone resumed>, parent_tid=[280], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 280 [pid 5363] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5363] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5364] <... futex resumed>) = 0 [pid 5364] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5365 attached [pid 5365] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5365] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5366 attached [pid 5366] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5363] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5363] close(3) = -1 EBADF (Bad file descriptor) [pid 5363] close(4) = -1 EBADF (Bad file descriptor) [pid 5363] close(5) = -1 EBADF (Bad file descriptor) [pid 5363] close(6) = -1 EBADF (Bad file descriptor) [pid 5363] close(7) = -1 EBADF (Bad file descriptor) [pid 5363] close(8) = -1 EBADF (Bad file descriptor) [pid 5363] close(9) = -1 EBADF (Bad file descriptor) [pid 5363] close(10) = -1 EBADF (Bad file descriptor) [pid 5363] close(11) = -1 EBADF (Bad file descriptor) [pid 5363] close(12) = -1 EBADF (Bad file descriptor) [pid 5363] close(13) = -1 EBADF (Bad file descriptor) [pid 5363] close(14) = -1 EBADF (Bad file descriptor) [pid 5363] close(15) = -1 EBADF (Bad file descriptor) [pid 5363] close(16) = -1 EBADF (Bad file descriptor) [pid 5363] close(17) = -1 EBADF (Bad file descriptor) [pid 5363] close(18) = -1 EBADF (Bad file descriptor) [pid 5363] close(19) = -1 EBADF (Bad file descriptor) [pid 5363] close(20) = -1 EBADF (Bad file descriptor) [pid 5363] close(21) = -1 EBADF (Bad file descriptor) [pid 5363] close(22) = -1 EBADF (Bad file descriptor) [pid 5363] close(23) = -1 EBADF (Bad file descriptor) [pid 5363] close(24) = -1 EBADF (Bad file descriptor) [pid 5363] close(25) = -1 EBADF (Bad file descriptor) [pid 5363] close(26) = -1 EBADF (Bad file descriptor) [pid 5363] close(27) = -1 EBADF (Bad file descriptor) [pid 5363] close(28) = -1 EBADF (Bad file descriptor) [pid 5363] close(29) = -1 EBADF (Bad file descriptor) [pid 5363] exit_group(0 [pid 5365] <... clone resumed>) = ? [pid 5364] <... futex resumed>) = ? [pid 5363] <... exit_group resumed>) = ? [pid 5365] +++ exited with 0 +++ [pid 5364] +++ exited with 0 +++ [pid 5363] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=278, si_uid=0, si_status=0, si_utime=9 /* 0.09 s */, si_stime=71 /* 0.71 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 282 ./strace-static-x86_64: Process 5367 attached [pid 5367] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5367] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5367] setpgid(0, 0) = 0 [pid 5367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5367] write(3, "1000", 4) = 4 [pid 5367] close(3) = 0 [pid 5367] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5367] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5367] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5367] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[283], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 283 [pid 5367] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5367] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5368 attached [pid 5368] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5368] memfd_create("syzkaller", 0) = 3 [pid 5368] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5366] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=281, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=42 /* 0.42 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5368] 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"..., 67108864) = 67108864 [pid 5368] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5368] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5368] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5368] ioctl(4, LOOP_CLR_FD) = 0 [pid 5368] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5368] close(4) = 0 [pid 5368] close(3) = 0 [pid 5368] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5367] <... futex resumed>) = 0 [pid 5367] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5367] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5368] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5367] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5367] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5367] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5367] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5368] <... mmap resumed>) = 0x20000000 [pid 5367] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5367] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5368] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5368] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5367] <... mprotect resumed>) = 0 [pid 5367] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5369 attached , parent_tid=[284], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 284 [pid 5367] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5367] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5369] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5369] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5370 attached [pid 5370] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5367] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5367] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5367] close(3) = -1 EBADF (Bad file descriptor) [pid 5367] close(4) = -1 EBADF (Bad file descriptor) [pid 5367] close(5) = -1 EBADF (Bad file descriptor) [pid 5367] close(6) = -1 EBADF (Bad file descriptor) [pid 5367] close(7) = -1 EBADF (Bad file descriptor) [pid 5367] close(8) = -1 EBADF (Bad file descriptor) [pid 5367] close(9) = -1 EBADF (Bad file descriptor) [pid 5367] close(10) = -1 EBADF (Bad file descriptor) [pid 5367] close(11) = -1 EBADF (Bad file descriptor) [pid 5367] close(12) = -1 EBADF (Bad file descriptor) [pid 5367] close(13) = -1 EBADF (Bad file descriptor) [pid 5367] close(14) = -1 EBADF (Bad file descriptor) [pid 5367] close(15) = -1 EBADF (Bad file descriptor) [pid 5367] close(16) = -1 EBADF (Bad file descriptor) [pid 5367] close(17) = -1 EBADF (Bad file descriptor) [pid 5367] close(18) = -1 EBADF (Bad file descriptor) [pid 5367] close(19) = -1 EBADF (Bad file descriptor) [pid 5367] close(20) = -1 EBADF (Bad file descriptor) [pid 5367] close(21) = -1 EBADF (Bad file descriptor) [pid 5367] close(22) = -1 EBADF (Bad file descriptor) [pid 5367] close(23) = -1 EBADF (Bad file descriptor) [pid 5367] close(24) = -1 EBADF (Bad file descriptor) [pid 5367] close(25) = -1 EBADF (Bad file descriptor) [pid 5367] close(26) = -1 EBADF (Bad file descriptor) [pid 5367] close(27) = -1 EBADF (Bad file descriptor) [pid 5367] close(28) = -1 EBADF (Bad file descriptor) [pid 5367] close(29) = -1 EBADF (Bad file descriptor) [pid 5367] exit_group(0 [pid 5369] <... clone resumed>) = ? [pid 5368] <... futex resumed>) = ? [pid 5367] <... exit_group resumed>) = ? [pid 5369] +++ exited with 0 +++ [pid 5368] +++ exited with 0 +++ [pid 5367] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=282, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=66 /* 0.66 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 286 ./strace-static-x86_64: Process 5371 attached [pid 5371] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5371] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5371] setpgid(0, 0) = 0 [pid 5371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5371] write(3, "1000", 4) = 4 [pid 5371] close(3) = 0 [pid 5371] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5371] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5371] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5371] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[287], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 287 [pid 5371] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5371] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5372 attached [pid 5372] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5372] memfd_create("syzkaller", 0) = 3 [pid 5372] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5370] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=285, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5372] 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"..., 67108864) = 67108864 [pid 5372] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5372] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5372] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5372] ioctl(4, LOOP_CLR_FD) = 0 [pid 5372] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5372] close(4) = 0 [pid 5372] close(3) = 0 [pid 5372] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5371] <... futex resumed>) = 0 [pid 5371] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5371] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5372] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5371] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5371] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5371] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5371] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5372] <... mmap resumed>) = 0x20000000 [pid 5371] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5371] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5371] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5372] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5371] <... clone resumed>, parent_tid=[288], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 288 [pid 5371] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5371] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5372] <... futex resumed>) = 0 [pid 5372] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5373 attached [pid 5373] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5373] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5374 attached [pid 5374] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5371] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5371] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5371] close(3) = -1 EBADF (Bad file descriptor) [pid 5371] close(4) = -1 EBADF (Bad file descriptor) [pid 5371] close(5) = -1 EBADF (Bad file descriptor) [pid 5371] close(6) = -1 EBADF (Bad file descriptor) [pid 5371] close(7) = -1 EBADF (Bad file descriptor) [pid 5371] close(8) = -1 EBADF (Bad file descriptor) [pid 5371] close(9) = -1 EBADF (Bad file descriptor) [pid 5371] close(10) = -1 EBADF (Bad file descriptor) [pid 5371] close(11) = -1 EBADF (Bad file descriptor) [pid 5371] close(12) = -1 EBADF (Bad file descriptor) [pid 5371] close(13) = -1 EBADF (Bad file descriptor) [pid 5371] close(14) = -1 EBADF (Bad file descriptor) [pid 5371] close(15) = -1 EBADF (Bad file descriptor) [pid 5371] close(16) = -1 EBADF (Bad file descriptor) [pid 5371] close(17) = -1 EBADF (Bad file descriptor) [pid 5371] close(18) = -1 EBADF (Bad file descriptor) [pid 5371] close(19) = -1 EBADF (Bad file descriptor) [pid 5371] close(20) = -1 EBADF (Bad file descriptor) [pid 5371] close(21) = -1 EBADF (Bad file descriptor) [pid 5371] close(22) = -1 EBADF (Bad file descriptor) [pid 5371] close(23) = -1 EBADF (Bad file descriptor) [pid 5371] close(24) = -1 EBADF (Bad file descriptor) [pid 5371] close(25) = -1 EBADF (Bad file descriptor) [pid 5371] close(26) = -1 EBADF (Bad file descriptor) [pid 5371] close(27) = -1 EBADF (Bad file descriptor) [pid 5371] close(28) = -1 EBADF (Bad file descriptor) [pid 5371] close(29) = -1 EBADF (Bad file descriptor) [pid 5371] exit_group(0 [pid 5373] <... clone resumed>) = ? [pid 5372] <... futex resumed>) = ? [pid 5371] <... exit_group resumed>) = ? [pid 5373] +++ exited with 0 +++ [pid 5372] +++ exited with 0 +++ [pid 5371] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=286, si_uid=0, si_status=0, si_utime=19 /* 0.19 s */, si_stime=64 /* 0.64 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 290 ./strace-static-x86_64: Process 5375 attached [pid 5375] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5375] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5375] setpgid(0, 0) = 0 [pid 5375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5375] write(3, "1000", 4) = 4 [pid 5375] close(3) = 0 [pid 5375] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5375] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5375] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[291], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 291 [pid 5375] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5375] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5376 attached [pid 5376] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5376] memfd_create("syzkaller", 0) = 3 [pid 5376] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5374] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=289, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=42 /* 0.42 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5376] 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"..., 67108864) = 67108864 [pid 5376] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5376] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5376] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5376] ioctl(4, LOOP_CLR_FD) = 0 [pid 5376] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5376] close(4) = 0 [pid 5376] close(3) = 0 [pid 5376] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5375] <... futex resumed>) = 0 [pid 5375] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5375] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5376] <... futex resumed>) = 1 [pid 5376] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5375] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5375] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5375] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5375] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[292], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 292 [pid 5375] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5375] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5376] <... mmap resumed>) = 0x20000000 [pid 5376] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5376] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5377 attached [pid 5377] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5377] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5378 attached [pid 5378] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5375] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5375] close(3) = -1 EBADF (Bad file descriptor) [pid 5375] close(4) = -1 EBADF (Bad file descriptor) [pid 5375] close(5) = -1 EBADF (Bad file descriptor) [pid 5375] close(6) = -1 EBADF (Bad file descriptor) [pid 5375] close(7) = -1 EBADF (Bad file descriptor) [pid 5375] close(8) = -1 EBADF (Bad file descriptor) [pid 5375] close(9) = -1 EBADF (Bad file descriptor) [pid 5375] close(10) = -1 EBADF (Bad file descriptor) [pid 5375] close(11) = -1 EBADF (Bad file descriptor) [pid 5375] close(12) = -1 EBADF (Bad file descriptor) [pid 5375] close(13) = -1 EBADF (Bad file descriptor) [pid 5375] close(14) = -1 EBADF (Bad file descriptor) [pid 5375] close(15) = -1 EBADF (Bad file descriptor) [pid 5375] close(16) = -1 EBADF (Bad file descriptor) [pid 5375] close(17) = -1 EBADF (Bad file descriptor) [pid 5375] close(18) = -1 EBADF (Bad file descriptor) [pid 5375] close(19) = -1 EBADF (Bad file descriptor) [pid 5375] close(20) = -1 EBADF (Bad file descriptor) [pid 5375] close(21) = -1 EBADF (Bad file descriptor) [pid 5375] close(22) = -1 EBADF (Bad file descriptor) [pid 5375] close(23) = -1 EBADF (Bad file descriptor) [pid 5375] close(24) = -1 EBADF (Bad file descriptor) [pid 5375] close(25) = -1 EBADF (Bad file descriptor) [pid 5375] close(26) = -1 EBADF (Bad file descriptor) [pid 5375] close(27) = -1 EBADF (Bad file descriptor) [pid 5375] close(28) = -1 EBADF (Bad file descriptor) [pid 5375] close(29) = -1 EBADF (Bad file descriptor) [pid 5375] exit_group(0 [pid 5377] <... clone resumed>) = ? [pid 5376] <... futex resumed>) = ? [pid 5375] <... exit_group resumed>) = ? [pid 5377] +++ exited with 0 +++ [pid 5376] +++ exited with 0 +++ [pid 5375] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=290, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=65 /* 0.65 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 294 ./strace-static-x86_64: Process 5379 attached [pid 5379] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5379] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5379] setpgid(0, 0) = 0 [pid 5379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5379] write(3, "1000", 4) = 4 [pid 5379] close(3) = 0 [pid 5379] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5379] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5379] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[295], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 295 [pid 5379] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5379] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5380 attached [pid 5380] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5380] memfd_create("syzkaller", 0) = 3 [pid 5380] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5378] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=293, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5380] 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"..., 67108864) = 67108864 [pid 5380] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5380] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5380] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5380] ioctl(4, LOOP_CLR_FD) = 0 [pid 5380] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5380] close(4) = 0 [pid 5380] close(3) = 0 [pid 5380] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5379] <... futex resumed>) = 0 [pid 5379] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5379] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5380] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5379] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5379] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5379] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5380] <... mmap resumed>) = 0x20000000 [pid 5379] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5379] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5380] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5379] <... mprotect resumed>) = 0 [pid 5379] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[296], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 296 [pid 5379] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5379] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5380] <... futex resumed>) = 0 [pid 5380] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5381 attached [pid 5381] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5381] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5382 attached [pid 5382] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5379] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5379] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5379] close(3) = -1 EBADF (Bad file descriptor) [pid 5379] close(4) = -1 EBADF (Bad file descriptor) [pid 5379] close(5) = -1 EBADF (Bad file descriptor) [pid 5379] close(6) = -1 EBADF (Bad file descriptor) [pid 5379] close(7) = -1 EBADF (Bad file descriptor) [pid 5379] close(8) = -1 EBADF (Bad file descriptor) [pid 5379] close(9) = -1 EBADF (Bad file descriptor) [pid 5379] close(10) = -1 EBADF (Bad file descriptor) [pid 5379] close(11) = -1 EBADF (Bad file descriptor) [pid 5379] close(12) = -1 EBADF (Bad file descriptor) [pid 5379] close(13) = -1 EBADF (Bad file descriptor) [pid 5379] close(14) = -1 EBADF (Bad file descriptor) [pid 5379] close(15) = -1 EBADF (Bad file descriptor) [pid 5379] close(16) = -1 EBADF (Bad file descriptor) [pid 5379] close(17) = -1 EBADF (Bad file descriptor) [pid 5379] close(18) = -1 EBADF (Bad file descriptor) [pid 5379] close(19) = -1 EBADF (Bad file descriptor) [pid 5379] close(20) = -1 EBADF (Bad file descriptor) [pid 5379] close(21) = -1 EBADF (Bad file descriptor) [pid 5379] close(22) = -1 EBADF (Bad file descriptor) [pid 5379] close(23) = -1 EBADF (Bad file descriptor) [pid 5379] close(24) = -1 EBADF (Bad file descriptor) [pid 5379] close(25) = -1 EBADF (Bad file descriptor) [pid 5379] close(26) = -1 EBADF (Bad file descriptor) [pid 5379] close(27) = -1 EBADF (Bad file descriptor) [pid 5379] close(28) = -1 EBADF (Bad file descriptor) [pid 5379] close(29) = -1 EBADF (Bad file descriptor) [pid 5379] exit_group(0 [pid 5381] <... clone resumed>) = ? [pid 5380] <... futex resumed>) = ? [pid 5379] <... exit_group resumed>) = ? [pid 5381] +++ exited with 0 +++ [pid 5380] +++ exited with 0 +++ [pid 5379] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=294, si_uid=0, si_status=0, si_utime=18 /* 0.18 s */, si_stime=69 /* 0.69 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 298 ./strace-static-x86_64: Process 5383 attached [pid 5383] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5383] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5383] setpgid(0, 0) = 0 [pid 5383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5383] write(3, "1000", 4) = 4 [pid 5383] close(3) = 0 [pid 5383] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5383] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5383] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5383] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[299], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 299 [pid 5383] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5383] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5384 attached [pid 5384] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5384] memfd_create("syzkaller", 0) = 3 [pid 5384] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5382] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=297, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5384] 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"..., 67108864) = 67108864 [pid 5384] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5384] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5384] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5384] ioctl(4, LOOP_CLR_FD) = 0 [pid 5384] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5384] close(4) = 0 [pid 5384] close(3) = 0 [pid 5384] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5383] <... futex resumed>) = 0 [pid 5383] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5383] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5384] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5383] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5383] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5383] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5384] <... mmap resumed>) = 0x20000000 [pid 5383] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5383] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5383] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[300], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 300 [pid 5383] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5383] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5384] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5384] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5385 attached [pid 5385] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5385] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5386 attached [pid 5386] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5383] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5383] close(3) = -1 EBADF (Bad file descriptor) [pid 5383] close(4) = -1 EBADF (Bad file descriptor) [pid 5383] close(5) = -1 EBADF (Bad file descriptor) [pid 5383] close(6) = -1 EBADF (Bad file descriptor) [pid 5383] close(7) = -1 EBADF (Bad file descriptor) [pid 5383] close(8) = -1 EBADF (Bad file descriptor) [pid 5383] close(9) = -1 EBADF (Bad file descriptor) [pid 5383] close(10) = -1 EBADF (Bad file descriptor) [pid 5383] close(11) = -1 EBADF (Bad file descriptor) [pid 5383] close(12) = -1 EBADF (Bad file descriptor) [pid 5383] close(13) = -1 EBADF (Bad file descriptor) [pid 5383] close(14) = -1 EBADF (Bad file descriptor) [pid 5383] close(15) = -1 EBADF (Bad file descriptor) [pid 5383] close(16) = -1 EBADF (Bad file descriptor) [pid 5383] close(17) = -1 EBADF (Bad file descriptor) [pid 5383] close(18) = -1 EBADF (Bad file descriptor) [pid 5383] close(19) = -1 EBADF (Bad file descriptor) [pid 5383] close(20) = -1 EBADF (Bad file descriptor) [pid 5383] close(21) = -1 EBADF (Bad file descriptor) [pid 5383] close(22) = -1 EBADF (Bad file descriptor) [pid 5383] close(23) = -1 EBADF (Bad file descriptor) [pid 5383] close(24) = -1 EBADF (Bad file descriptor) [pid 5383] close(25) = -1 EBADF (Bad file descriptor) [pid 5383] close(26) = -1 EBADF (Bad file descriptor) [pid 5383] close(27) = -1 EBADF (Bad file descriptor) [pid 5383] close(28) = -1 EBADF (Bad file descriptor) [pid 5383] close(29) = -1 EBADF (Bad file descriptor) [pid 5383] exit_group(0 [pid 5385] <... clone resumed>) = ? [pid 5384] <... futex resumed>) = ? [pid 5383] <... exit_group resumed>) = ? [pid 5385] +++ exited with 0 +++ [pid 5384] +++ exited with 0 +++ [pid 5383] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=298, si_uid=0, si_status=0, si_utime=20 /* 0.20 s */, si_stime=65 /* 0.65 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 302 ./strace-static-x86_64: Process 5387 attached [pid 5387] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5387] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5387] setpgid(0, 0) = 0 [pid 5387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5387] write(3, "1000", 4) = 4 [pid 5387] close(3) = 0 [pid 5387] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5387] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5387] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[303], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 303 [pid 5387] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5387] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5388 attached [pid 5388] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5388] memfd_create("syzkaller", 0) = 3 [pid 5388] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5388] 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"..., 67108864 [pid 5386] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=301, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5388] <... write resumed>) = 67108864 [pid 5388] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5388] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5388] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5388] ioctl(4, LOOP_CLR_FD) = 0 [pid 5388] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5388] close(4) = 0 [pid 5388] close(3) = 0 [pid 5388] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5387] <... futex resumed>) = 0 [pid 5387] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5387] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5388] <... futex resumed>) = 1 [pid 5388] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5387] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5387] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5387] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5387] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[304], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 304 [pid 5387] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5387] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5388] <... mmap resumed>) = 0x20000000 [pid 5388] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5388] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5389 attached [pid 5389] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5389] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5390 attached [pid 5390] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5387] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5387] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5387] close(3) = -1 EBADF (Bad file descriptor) [pid 5387] close(4) = -1 EBADF (Bad file descriptor) [pid 5387] close(5) = -1 EBADF (Bad file descriptor) [pid 5387] close(6) = -1 EBADF (Bad file descriptor) [pid 5387] close(7) = -1 EBADF (Bad file descriptor) [pid 5387] close(8) = -1 EBADF (Bad file descriptor) [pid 5387] close(9) = -1 EBADF (Bad file descriptor) [pid 5387] close(10) = -1 EBADF (Bad file descriptor) [pid 5387] close(11) = -1 EBADF (Bad file descriptor) [pid 5387] close(12) = -1 EBADF (Bad file descriptor) [pid 5387] close(13) = -1 EBADF (Bad file descriptor) [pid 5387] close(14) = -1 EBADF (Bad file descriptor) [pid 5387] close(15) = -1 EBADF (Bad file descriptor) [pid 5387] close(16) = -1 EBADF (Bad file descriptor) [pid 5387] close(17) = -1 EBADF (Bad file descriptor) [pid 5387] close(18) = -1 EBADF (Bad file descriptor) [pid 5387] close(19) = -1 EBADF (Bad file descriptor) [pid 5387] close(20) = -1 EBADF (Bad file descriptor) [pid 5387] close(21) = -1 EBADF (Bad file descriptor) [pid 5387] close(22) = -1 EBADF (Bad file descriptor) [pid 5387] close(23) = -1 EBADF (Bad file descriptor) [pid 5387] close(24) = -1 EBADF (Bad file descriptor) [pid 5387] close(25) = -1 EBADF (Bad file descriptor) [pid 5387] close(26) = -1 EBADF (Bad file descriptor) [pid 5387] close(27) = -1 EBADF (Bad file descriptor) [pid 5387] close(28) = -1 EBADF (Bad file descriptor) [pid 5387] close(29) = -1 EBADF (Bad file descriptor) [pid 5387] exit_group(0) = ? [pid 5388] <... futex resumed>) = ? [pid 5389] <... clone resumed>) = ? [pid 5388] +++ exited with 0 +++ [pid 5389] +++ exited with 0 +++ [pid 5387] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=302, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=71 /* 0.71 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 306 ./strace-static-x86_64: Process 5391 attached [pid 5391] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5391] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5391] setpgid(0, 0) = 0 [pid 5391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5391] write(3, "1000", 4) = 4 [pid 5391] close(3) = 0 [pid 5391] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5391] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5391] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[307], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 307 [pid 5391] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5391] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5392 attached [pid 5392] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5392] memfd_create("syzkaller", 0) = 3 [pid 5392] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5390] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=305, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5392] 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"..., 67108864) = 67108864 [pid 5392] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5392] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5392] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5392] ioctl(4, LOOP_CLR_FD) = 0 [pid 5392] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5392] close(4) = 0 [pid 5392] close(3) = 0 [pid 5392] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5391] <... futex resumed>) = 0 [pid 5391] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5391] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5392] <... futex resumed>) = 1 [pid 5392] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5391] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5391] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5391] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5391] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[308], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 308 [pid 5391] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5391] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5392] <... mmap resumed>) = 0x20000000 [pid 5392] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5392] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5393 attached [pid 5393] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5393] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5394 attached [pid 5394] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5391] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5391] close(3) = -1 EBADF (Bad file descriptor) [pid 5391] close(4) = -1 EBADF (Bad file descriptor) [pid 5391] close(5) = -1 EBADF (Bad file descriptor) [pid 5391] close(6) = -1 EBADF (Bad file descriptor) [pid 5391] close(7) = -1 EBADF (Bad file descriptor) [pid 5391] close(8) = -1 EBADF (Bad file descriptor) [pid 5391] close(9) = -1 EBADF (Bad file descriptor) [pid 5391] close(10) = -1 EBADF (Bad file descriptor) [pid 5391] close(11) = -1 EBADF (Bad file descriptor) [pid 5391] close(12) = -1 EBADF (Bad file descriptor) [pid 5391] close(13) = -1 EBADF (Bad file descriptor) [pid 5391] close(14) = -1 EBADF (Bad file descriptor) [pid 5391] close(15) = -1 EBADF (Bad file descriptor) [pid 5391] close(16) = -1 EBADF (Bad file descriptor) [pid 5391] close(17) = -1 EBADF (Bad file descriptor) [pid 5391] close(18) = -1 EBADF (Bad file descriptor) [pid 5391] close(19) = -1 EBADF (Bad file descriptor) [pid 5391] close(20) = -1 EBADF (Bad file descriptor) [pid 5391] close(21) = -1 EBADF (Bad file descriptor) [pid 5391] close(22) = -1 EBADF (Bad file descriptor) [pid 5391] close(23) = -1 EBADF (Bad file descriptor) [pid 5391] close(24) = -1 EBADF (Bad file descriptor) [pid 5391] close(25) = -1 EBADF (Bad file descriptor) [pid 5391] close(26) = -1 EBADF (Bad file descriptor) [pid 5391] close(27) = -1 EBADF (Bad file descriptor) [pid 5391] close(28) = -1 EBADF (Bad file descriptor) [pid 5391] close(29) = -1 EBADF (Bad file descriptor) [pid 5391] exit_group(0 [pid 5393] <... clone resumed>) = ? [pid 5392] <... futex resumed>) = ? [pid 5391] <... exit_group resumed>) = ? [pid 5393] +++ exited with 0 +++ [pid 5392] +++ exited with 0 +++ [pid 5391] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=306, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=68 /* 0.68 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 310 ./strace-static-x86_64: Process 5395 attached [pid 5395] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5395] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5395] setpgid(0, 0) = 0 [pid 5395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5395] write(3, "1000", 4) = 4 [pid 5395] close(3) = 0 [pid 5395] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5395] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5395] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5395] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[311], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 311 [pid 5395] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5395] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5396 attached [pid 5396] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5396] memfd_create("syzkaller", 0) = 3 [pid 5396] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5394] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=309, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5396] 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"..., 67108864) = 67108864 [pid 5396] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5396] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5396] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5396] ioctl(4, LOOP_CLR_FD) = 0 [pid 5396] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5396] close(4) = 0 [pid 5396] close(3) = 0 [pid 5396] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5395] <... futex resumed>) = 0 [pid 5395] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5396] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5395] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5395] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5395] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5395] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5396] <... mmap resumed>) = 0x20000000 [pid 5395] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5395] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5395] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5396] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5395] <... clone resumed>, parent_tid=[312], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 312 [pid 5395] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5395] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5396] <... futex resumed>) = 0 [pid 5396] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5397 attached [pid 5397] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5397] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5398 attached [pid 5398] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5395] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5395] close(3) = -1 EBADF (Bad file descriptor) [pid 5395] close(4) = -1 EBADF (Bad file descriptor) [pid 5395] close(5) = -1 EBADF (Bad file descriptor) [pid 5395] close(6) = -1 EBADF (Bad file descriptor) [pid 5395] close(7) = -1 EBADF (Bad file descriptor) [pid 5395] close(8) = -1 EBADF (Bad file descriptor) [pid 5395] close(9) = -1 EBADF (Bad file descriptor) [pid 5395] close(10) = -1 EBADF (Bad file descriptor) [pid 5395] close(11) = -1 EBADF (Bad file descriptor) [pid 5395] close(12) = -1 EBADF (Bad file descriptor) [pid 5395] close(13) = -1 EBADF (Bad file descriptor) [pid 5395] close(14) = -1 EBADF (Bad file descriptor) [pid 5395] close(15) = -1 EBADF (Bad file descriptor) [pid 5395] close(16) = -1 EBADF (Bad file descriptor) [pid 5395] close(17) = -1 EBADF (Bad file descriptor) [pid 5395] close(18) = -1 EBADF (Bad file descriptor) [pid 5395] close(19) = -1 EBADF (Bad file descriptor) [pid 5395] close(20) = -1 EBADF (Bad file descriptor) [pid 5395] close(21) = -1 EBADF (Bad file descriptor) [pid 5395] close(22) = -1 EBADF (Bad file descriptor) [pid 5395] close(23) = -1 EBADF (Bad file descriptor) [pid 5395] close(24) = -1 EBADF (Bad file descriptor) [pid 5395] close(25) = -1 EBADF (Bad file descriptor) [pid 5395] close(26) = -1 EBADF (Bad file descriptor) [pid 5395] close(27) = -1 EBADF (Bad file descriptor) [pid 5395] close(28) = -1 EBADF (Bad file descriptor) [pid 5395] close(29) = -1 EBADF (Bad file descriptor) [pid 5395] exit_group(0 [pid 5397] <... clone resumed>) = ? [pid 5396] <... futex resumed>) = ? [pid 5395] <... exit_group resumed>) = ? [pid 5397] +++ exited with 0 +++ [pid 5396] +++ exited with 0 +++ [pid 5395] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=310, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=70 /* 0.70 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 314 ./strace-static-x86_64: Process 5399 attached [pid 5399] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5399] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5399] setpgid(0, 0) = 0 [pid 5399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5399] write(3, "1000", 4) = 4 [pid 5399] close(3) = 0 [pid 5399] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5399] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5399] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5399] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[315], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 315 [pid 5399] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5399] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5400 attached [pid 5400] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5400] memfd_create("syzkaller", 0) = 3 [pid 5400] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5398] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=313, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=34 /* 0.34 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5400] 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"..., 67108864) = 67108864 [pid 5400] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5400] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5400] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5400] ioctl(4, LOOP_CLR_FD) = 0 [pid 5400] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5400] close(4) = 0 [pid 5400] close(3) = 0 [pid 5400] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5399] <... futex resumed>) = 0 [pid 5399] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5399] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5400] <... futex resumed>) = 1 [pid 5400] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5399] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5399] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5399] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5399] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5399] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5399] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[316], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 316 [pid 5399] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5399] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5400] <... mmap resumed>) = 0x20000000 [pid 5400] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5400] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5401 attached [pid 5401] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5401] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5402 attached [pid 5402] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5399] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5399] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5399] close(3) = -1 EBADF (Bad file descriptor) [pid 5399] close(4) = -1 EBADF (Bad file descriptor) [pid 5399] close(5) = -1 EBADF (Bad file descriptor) [pid 5399] close(6) = -1 EBADF (Bad file descriptor) [pid 5399] close(7) = -1 EBADF (Bad file descriptor) [pid 5399] close(8) = -1 EBADF (Bad file descriptor) [pid 5399] close(9) = -1 EBADF (Bad file descriptor) [pid 5399] close(10) = -1 EBADF (Bad file descriptor) [pid 5399] close(11) = -1 EBADF (Bad file descriptor) [pid 5399] close(12) = -1 EBADF (Bad file descriptor) [pid 5399] close(13) = -1 EBADF (Bad file descriptor) [pid 5399] close(14) = -1 EBADF (Bad file descriptor) [pid 5399] close(15) = -1 EBADF (Bad file descriptor) [pid 5399] close(16) = -1 EBADF (Bad file descriptor) [pid 5399] close(17) = -1 EBADF (Bad file descriptor) [pid 5399] close(18) = -1 EBADF (Bad file descriptor) [pid 5399] close(19) = -1 EBADF (Bad file descriptor) [pid 5399] close(20) = -1 EBADF (Bad file descriptor) [pid 5399] close(21) = -1 EBADF (Bad file descriptor) [pid 5399] close(22) = -1 EBADF (Bad file descriptor) [pid 5399] close(23) = -1 EBADF (Bad file descriptor) [pid 5399] close(24) = -1 EBADF (Bad file descriptor) [pid 5399] close(25) = -1 EBADF (Bad file descriptor) [pid 5399] close(26) = -1 EBADF (Bad file descriptor) [pid 5399] close(27) = -1 EBADF (Bad file descriptor) [pid 5399] close(28) = -1 EBADF (Bad file descriptor) [pid 5399] close(29) = -1 EBADF (Bad file descriptor) [pid 5399] exit_group(0 [pid 5401] <... clone resumed>) = ? [pid 5400] <... futex resumed>) = ? [pid 5399] <... exit_group resumed>) = ? [pid 5401] +++ exited with 0 +++ [pid 5400] +++ exited with 0 +++ [pid 5399] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=314, si_uid=0, si_status=0, si_utime=18 /* 0.18 s */, si_stime=63 /* 0.63 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 318 ./strace-static-x86_64: Process 5403 attached [pid 5403] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5403] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5403] setpgid(0, 0) = 0 [pid 5403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5403] write(3, "1000", 4) = 4 [pid 5403] close(3) = 0 [pid 5403] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5403] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5403] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[319], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 319 [pid 5403] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5403] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5404 attached [pid 5404] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5404] memfd_create("syzkaller", 0) = 3 [pid 5404] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5402] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=317, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5404] 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"..., 67108864) = 67108864 [pid 5404] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5404] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5404] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5404] ioctl(4, LOOP_CLR_FD) = 0 [pid 5404] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5404] close(4) = 0 [pid 5404] close(3) = 0 [pid 5404] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5403] <... futex resumed>) = 0 [pid 5403] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5404] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5403] <... futex resumed>) = 0 [pid 5403] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5403] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5403] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5404] <... mmap resumed>) = 0x20000000 [pid 5404] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5403] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5403] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5404] <... futex resumed>) = 0 [pid 5404] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5403] <... mprotect resumed>) = 0 [pid 5403] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[320], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 320 [pid 5403] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5403] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5405 attached [pid 5405] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5405] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5406 attached [pid 5406] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5403] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5403] close(3) = -1 EBADF (Bad file descriptor) [pid 5403] close(4) = -1 EBADF (Bad file descriptor) [pid 5403] close(5) = -1 EBADF (Bad file descriptor) [pid 5403] close(6) = -1 EBADF (Bad file descriptor) [pid 5403] close(7) = -1 EBADF (Bad file descriptor) [pid 5403] close(8) = -1 EBADF (Bad file descriptor) [pid 5403] close(9) = -1 EBADF (Bad file descriptor) [pid 5403] close(10) = -1 EBADF (Bad file descriptor) [pid 5403] close(11) = -1 EBADF (Bad file descriptor) [pid 5403] close(12) = -1 EBADF (Bad file descriptor) [pid 5403] close(13) = -1 EBADF (Bad file descriptor) [pid 5403] close(14) = -1 EBADF (Bad file descriptor) [pid 5403] close(15) = -1 EBADF (Bad file descriptor) [pid 5403] close(16) = -1 EBADF (Bad file descriptor) [pid 5403] close(17) = -1 EBADF (Bad file descriptor) [pid 5403] close(18) = -1 EBADF (Bad file descriptor) [pid 5403] close(19) = -1 EBADF (Bad file descriptor) [pid 5403] close(20) = -1 EBADF (Bad file descriptor) [pid 5403] close(21) = -1 EBADF (Bad file descriptor) [pid 5403] close(22) = -1 EBADF (Bad file descriptor) [pid 5403] close(23) = -1 EBADF (Bad file descriptor) [pid 5403] close(24) = -1 EBADF (Bad file descriptor) [pid 5403] close(25) = -1 EBADF (Bad file descriptor) [pid 5403] close(26) = -1 EBADF (Bad file descriptor) [pid 5403] close(27) = -1 EBADF (Bad file descriptor) [pid 5403] close(28) = -1 EBADF (Bad file descriptor) [pid 5403] close(29) = -1 EBADF (Bad file descriptor) [pid 5403] exit_group(0 [pid 5405] <... clone resumed>) = ? [pid 5404] <... futex resumed>) = ? [pid 5403] <... exit_group resumed>) = ? [pid 5405] +++ exited with 0 +++ [pid 5404] +++ exited with 0 +++ [pid 5403] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=318, si_uid=0, si_status=0, si_utime=20 /* 0.20 s */, si_stime=63 /* 0.63 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 322 ./strace-static-x86_64: Process 5407 attached [pid 5407] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5407] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5407] setpgid(0, 0) = 0 [pid 5407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5407] write(3, "1000", 4) = 4 [pid 5407] close(3) = 0 [pid 5407] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5407] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5407] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[323], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 323 [pid 5407] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5407] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5408 attached [pid 5408] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5408] memfd_create("syzkaller", 0) = 3 [pid 5408] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5406] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=321, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5408] 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"..., 67108864) = 67108864 [pid 5408] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5408] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5408] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5408] ioctl(4, LOOP_CLR_FD) = 0 [pid 5408] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5408] close(4) = 0 [pid 5408] close(3) = 0 [pid 5408] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5407] <... futex resumed>) = 0 [pid 5407] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5407] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5408] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5407] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5407] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5408] <... mmap resumed>) = 0x20000000 [pid 5407] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5407] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5408] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5407] <... mprotect resumed>) = 0 [pid 5407] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5408] <... futex resumed>) = 0 [pid 5407] <... clone resumed>, parent_tid=[324], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 324 [pid 5407] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5407] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5408] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5409 attached [pid 5409] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5409] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5410 attached [pid 5410] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5407] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5407] close(3) = -1 EBADF (Bad file descriptor) [pid 5407] close(4) = -1 EBADF (Bad file descriptor) [pid 5407] close(5) = -1 EBADF (Bad file descriptor) [pid 5407] close(6) = -1 EBADF (Bad file descriptor) [pid 5407] close(7) = -1 EBADF (Bad file descriptor) [pid 5407] close(8) = -1 EBADF (Bad file descriptor) [pid 5407] close(9) = -1 EBADF (Bad file descriptor) [pid 5407] close(10) = -1 EBADF (Bad file descriptor) [pid 5407] close(11) = -1 EBADF (Bad file descriptor) [pid 5407] close(12) = -1 EBADF (Bad file descriptor) [pid 5407] close(13) = -1 EBADF (Bad file descriptor) [pid 5407] close(14) = -1 EBADF (Bad file descriptor) [pid 5407] close(15) = -1 EBADF (Bad file descriptor) [pid 5407] close(16) = -1 EBADF (Bad file descriptor) [pid 5407] close(17) = -1 EBADF (Bad file descriptor) [pid 5407] close(18) = -1 EBADF (Bad file descriptor) [pid 5407] close(19) = -1 EBADF (Bad file descriptor) [pid 5407] close(20) = -1 EBADF (Bad file descriptor) [pid 5407] close(21) = -1 EBADF (Bad file descriptor) [pid 5407] close(22) = -1 EBADF (Bad file descriptor) [pid 5407] close(23) = -1 EBADF (Bad file descriptor) [pid 5407] close(24) = -1 EBADF (Bad file descriptor) [pid 5407] close(25) = -1 EBADF (Bad file descriptor) [pid 5407] close(26) = -1 EBADF (Bad file descriptor) [pid 5407] close(27) = -1 EBADF (Bad file descriptor) [pid 5407] close(28) = -1 EBADF (Bad file descriptor) [pid 5407] close(29) = -1 EBADF (Bad file descriptor) [pid 5407] exit_group(0 [pid 5409] <... clone resumed>) = ? [pid 5408] <... futex resumed>) = ? [pid 5407] <... exit_group resumed>) = ? [pid 5409] +++ exited with 0 +++ [pid 5408] +++ exited with 0 +++ [pid 5407] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=322, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=67 /* 0.67 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 326 ./strace-static-x86_64: Process 5411 attached [pid 5411] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5411] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5411] setpgid(0, 0) = 0 [pid 5411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5411] write(3, "1000", 4) = 4 [pid 5411] close(3) = 0 [pid 5411] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5411] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5411] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[327], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 327 [pid 5411] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5411] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5412 attached [pid 5412] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5412] memfd_create("syzkaller", 0) = 3 [pid 5412] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5410] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=325, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5412] 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"..., 67108864) = 67108864 [pid 5412] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5412] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5412] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5412] ioctl(4, LOOP_CLR_FD) = 0 [pid 5412] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5412] close(4) = 0 [pid 5412] close(3) = 0 [pid 5412] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5411] <... futex resumed>) = 0 [pid 5411] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5411] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5412] <... futex resumed>) = 1 [pid 5412] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5411] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5411] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5411] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5411] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5411] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[328], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 328 [pid 5411] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5411] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5412] <... mmap resumed>) = 0x20000000 [pid 5412] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5412] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5413 attached [pid 5413] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5413] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5414 attached [pid 5414] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5411] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5411] close(3) = -1 EBADF (Bad file descriptor) [pid 5411] close(4) = -1 EBADF (Bad file descriptor) [pid 5411] close(5) = -1 EBADF (Bad file descriptor) [pid 5411] close(6) = -1 EBADF (Bad file descriptor) [pid 5411] close(7) = -1 EBADF (Bad file descriptor) [pid 5411] close(8) = -1 EBADF (Bad file descriptor) [pid 5411] close(9) = -1 EBADF (Bad file descriptor) [pid 5411] close(10) = -1 EBADF (Bad file descriptor) [pid 5411] close(11) = -1 EBADF (Bad file descriptor) [pid 5411] close(12) = -1 EBADF (Bad file descriptor) [pid 5411] close(13) = -1 EBADF (Bad file descriptor) [pid 5411] close(14) = -1 EBADF (Bad file descriptor) [pid 5411] close(15) = -1 EBADF (Bad file descriptor) [pid 5411] close(16) = -1 EBADF (Bad file descriptor) [pid 5411] close(17) = -1 EBADF (Bad file descriptor) [pid 5411] close(18) = -1 EBADF (Bad file descriptor) [pid 5411] close(19) = -1 EBADF (Bad file descriptor) [pid 5411] close(20) = -1 EBADF (Bad file descriptor) [pid 5411] close(21) = -1 EBADF (Bad file descriptor) [pid 5411] close(22) = -1 EBADF (Bad file descriptor) [pid 5411] close(23) = -1 EBADF (Bad file descriptor) [pid 5411] close(24) = -1 EBADF (Bad file descriptor) [pid 5411] close(25) = -1 EBADF (Bad file descriptor) [pid 5411] close(26) = -1 EBADF (Bad file descriptor) [pid 5411] close(27) = -1 EBADF (Bad file descriptor) [pid 5411] close(28) = -1 EBADF (Bad file descriptor) [pid 5411] close(29) = -1 EBADF (Bad file descriptor) [pid 5411] exit_group(0 [pid 5413] <... clone resumed>) = ? [pid 5412] <... futex resumed>) = ? [pid 5411] <... exit_group resumed>) = ? [pid 5413] +++ exited with 0 +++ [pid 5412] +++ exited with 0 +++ [pid 5411] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=326, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=68 /* 0.68 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 330 ./strace-static-x86_64: Process 5415 attached [pid 5415] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5415] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5415] setpgid(0, 0) = 0 [pid 5415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5415] write(3, "1000", 4) = 4 [pid 5415] close(3) = 0 [pid 5415] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5415] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5415] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5415] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[331], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 331 [pid 5415] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5415] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5416 attached [pid 5416] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5416] memfd_create("syzkaller", 0) = 3 [pid 5416] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5414] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=329, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5416] 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"..., 67108864) = 67108864 [pid 5416] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5416] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5416] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5416] ioctl(4, LOOP_CLR_FD) = 0 [pid 5416] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5416] close(4) = 0 [pid 5416] close(3) = 0 [pid 5416] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5415] <... futex resumed>) = 0 [pid 5415] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5415] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5416] <... futex resumed>) = 1 [pid 5416] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5415] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5415] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5415] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5415] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5415] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5415] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[332], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 332 [pid 5415] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5415] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5416] <... mmap resumed>) = 0x20000000 [pid 5416] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5416] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5417 attached [pid 5417] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5417] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5418 attached [pid 5418] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5415] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5415] close(3) = -1 EBADF (Bad file descriptor) [pid 5415] close(4) = -1 EBADF (Bad file descriptor) [pid 5415] close(5) = -1 EBADF (Bad file descriptor) [pid 5415] close(6) = -1 EBADF (Bad file descriptor) [pid 5415] close(7) = -1 EBADF (Bad file descriptor) [pid 5415] close(8) = -1 EBADF (Bad file descriptor) [pid 5415] close(9) = -1 EBADF (Bad file descriptor) [pid 5415] close(10) = -1 EBADF (Bad file descriptor) [pid 5415] close(11) = -1 EBADF (Bad file descriptor) [pid 5415] close(12) = -1 EBADF (Bad file descriptor) [pid 5415] close(13) = -1 EBADF (Bad file descriptor) [pid 5415] close(14) = -1 EBADF (Bad file descriptor) [pid 5415] close(15) = -1 EBADF (Bad file descriptor) [pid 5415] close(16) = -1 EBADF (Bad file descriptor) [pid 5415] close(17) = -1 EBADF (Bad file descriptor) [pid 5415] close(18) = -1 EBADF (Bad file descriptor) [pid 5415] close(19) = -1 EBADF (Bad file descriptor) [pid 5415] close(20) = -1 EBADF (Bad file descriptor) [pid 5415] close(21) = -1 EBADF (Bad file descriptor) [pid 5415] close(22) = -1 EBADF (Bad file descriptor) [pid 5415] close(23) = -1 EBADF (Bad file descriptor) [pid 5415] close(24) = -1 EBADF (Bad file descriptor) [pid 5415] close(25) = -1 EBADF (Bad file descriptor) [pid 5415] close(26) = -1 EBADF (Bad file descriptor) [pid 5415] close(27) = -1 EBADF (Bad file descriptor) [pid 5415] close(28) = -1 EBADF (Bad file descriptor) [pid 5415] close(29) = -1 EBADF (Bad file descriptor) [pid 5415] exit_group(0 [pid 5417] <... clone resumed>) = ? [pid 5416] <... futex resumed>) = ? [pid 5415] <... exit_group resumed>) = ? [pid 5417] +++ exited with 0 +++ [pid 5416] +++ exited with 0 +++ [pid 5415] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=330, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=63 /* 0.63 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 334 ./strace-static-x86_64: Process 5419 attached [pid 5419] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5419] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5419] setpgid(0, 0) = 0 [pid 5419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5419] write(3, "1000", 4) = 4 [pid 5419] close(3) = 0 [pid 5419] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5419] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5419] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[335], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 335 [pid 5419] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5419] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5420 attached [pid 5420] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5420] memfd_create("syzkaller", 0) = 3 [pid 5420] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5420] 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"..., 67108864 [pid 5418] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=333, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5420] <... write resumed>) = 67108864 [pid 5420] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5420] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5420] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5420] ioctl(4, LOOP_CLR_FD) = 0 [pid 5420] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5420] close(4) = 0 [pid 5420] close(3) = 0 [pid 5420] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5419] <... futex resumed>) = 0 [pid 5419] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5419] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5420] <... futex resumed>) = 1 [pid 5420] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5419] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5419] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5419] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5419] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5419] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[336], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 336 [pid 5419] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5419] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5420] <... mmap resumed>) = 0x20000000 [pid 5420] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5420] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5421 attached [pid 5421] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5421] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5422 attached [pid 5422] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5419] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5419] close(3) = -1 EBADF (Bad file descriptor) [pid 5419] close(4) = -1 EBADF (Bad file descriptor) [pid 5419] close(5) = -1 EBADF (Bad file descriptor) [pid 5419] close(6) = -1 EBADF (Bad file descriptor) [pid 5419] close(7) = -1 EBADF (Bad file descriptor) [pid 5419] close(8) = -1 EBADF (Bad file descriptor) [pid 5419] close(9) = -1 EBADF (Bad file descriptor) [pid 5419] close(10) = -1 EBADF (Bad file descriptor) [pid 5419] close(11) = -1 EBADF (Bad file descriptor) [pid 5419] close(12) = -1 EBADF (Bad file descriptor) [pid 5419] close(13) = -1 EBADF (Bad file descriptor) [pid 5419] close(14) = -1 EBADF (Bad file descriptor) [pid 5419] close(15) = -1 EBADF (Bad file descriptor) [pid 5419] close(16) = -1 EBADF (Bad file descriptor) [pid 5419] close(17) = -1 EBADF (Bad file descriptor) [pid 5419] close(18) = -1 EBADF (Bad file descriptor) [pid 5419] close(19) = -1 EBADF (Bad file descriptor) [pid 5419] close(20) = -1 EBADF (Bad file descriptor) [pid 5419] close(21) = -1 EBADF (Bad file descriptor) [pid 5419] close(22) = -1 EBADF (Bad file descriptor) [pid 5419] close(23) = -1 EBADF (Bad file descriptor) [pid 5419] close(24) = -1 EBADF (Bad file descriptor) [pid 5419] close(25) = -1 EBADF (Bad file descriptor) [pid 5419] close(26) = -1 EBADF (Bad file descriptor) [pid 5419] close(27) = -1 EBADF (Bad file descriptor) [pid 5419] close(28) = -1 EBADF (Bad file descriptor) [pid 5419] close(29) = -1 EBADF (Bad file descriptor) [pid 5419] exit_group(0 [pid 5421] <... clone resumed>) = ? [pid 5420] <... futex resumed>) = ? [pid 5419] <... exit_group resumed>) = ? [pid 5421] +++ exited with 0 +++ [pid 5420] +++ exited with 0 +++ [pid 5419] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=334, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=68 /* 0.68 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 338 ./strace-static-x86_64: Process 5423 attached [pid 5423] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5423] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5423] setpgid(0, 0) = 0 [pid 5423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5423] write(3, "1000", 4) = 4 [pid 5423] close(3) = 0 [pid 5423] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5423] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5423] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[339], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 339 [pid 5423] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5423] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5424 attached [pid 5424] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5424] memfd_create("syzkaller", 0) = 3 [pid 5424] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5422] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=337, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5424] 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"..., 67108864) = 67108864 [pid 5424] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5424] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5424] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5424] ioctl(4, LOOP_CLR_FD) = 0 [pid 5424] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5424] close(4) = 0 [pid 5424] close(3) = 0 [pid 5424] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5423] <... futex resumed>) = 0 [pid 5423] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5423] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5424] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5423] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5423] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5423] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5424] <... mmap resumed>) = 0x20000000 [pid 5423] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5423] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5424] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5423] <... mprotect resumed>) = 0 [pid 5423] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5424] <... futex resumed>) = 0 [pid 5423] <... clone resumed>, parent_tid=[340], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 340 [pid 5423] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5423] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5424] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5425 attached [pid 5425] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5425] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5426 attached [pid 5426] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5423] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5423] close(3) = -1 EBADF (Bad file descriptor) [pid 5423] close(4) = -1 EBADF (Bad file descriptor) [pid 5423] close(5) = -1 EBADF (Bad file descriptor) [pid 5423] close(6) = -1 EBADF (Bad file descriptor) [pid 5423] close(7) = -1 EBADF (Bad file descriptor) [pid 5423] close(8) = -1 EBADF (Bad file descriptor) [pid 5423] close(9) = -1 EBADF (Bad file descriptor) [pid 5423] close(10) = -1 EBADF (Bad file descriptor) [pid 5423] close(11) = -1 EBADF (Bad file descriptor) [pid 5423] close(12) = -1 EBADF (Bad file descriptor) [pid 5423] close(13) = -1 EBADF (Bad file descriptor) [pid 5423] close(14) = -1 EBADF (Bad file descriptor) [pid 5423] close(15) = -1 EBADF (Bad file descriptor) [pid 5423] close(16) = -1 EBADF (Bad file descriptor) [pid 5423] close(17) = -1 EBADF (Bad file descriptor) [pid 5423] close(18) = -1 EBADF (Bad file descriptor) [pid 5423] close(19) = -1 EBADF (Bad file descriptor) [pid 5423] close(20) = -1 EBADF (Bad file descriptor) [pid 5423] close(21) = -1 EBADF (Bad file descriptor) [pid 5423] close(22) = -1 EBADF (Bad file descriptor) [pid 5423] close(23) = -1 EBADF (Bad file descriptor) [pid 5423] close(24) = -1 EBADF (Bad file descriptor) [pid 5423] close(25) = -1 EBADF (Bad file descriptor) [pid 5423] close(26) = -1 EBADF (Bad file descriptor) [pid 5423] close(27) = -1 EBADF (Bad file descriptor) [pid 5423] close(28) = -1 EBADF (Bad file descriptor) [pid 5423] close(29) = -1 EBADF (Bad file descriptor) [pid 5423] exit_group(0 [pid 5425] <... clone resumed>) = ? [pid 5424] <... futex resumed>) = ? [pid 5423] <... exit_group resumed>) = ? [pid 5425] +++ exited with 0 +++ [pid 5424] +++ exited with 0 +++ [pid 5423] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=338, si_uid=0, si_status=0, si_utime=19 /* 0.19 s */, si_stime=64 /* 0.64 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 342 ./strace-static-x86_64: Process 5427 attached [pid 5427] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5427] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5427] setpgid(0, 0) = 0 [pid 5427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5427] write(3, "1000", 4) = 4 [pid 5427] close(3) = 0 [pid 5427] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5427] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5427] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5427] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[343], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 343 [pid 5427] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5427] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5428 attached [pid 5428] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5428] memfd_create("syzkaller", 0) = 3 [pid 5428] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5426] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=341, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=41 /* 0.41 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5428] 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"..., 67108864) = 67108864 [pid 5428] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5428] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5428] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5428] ioctl(4, LOOP_CLR_FD) = 0 [pid 5428] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5428] close(4) = 0 [pid 5428] close(3) = 0 [pid 5428] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5427] <... futex resumed>) = 0 [pid 5427] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5427] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5428] <... futex resumed>) = 1 [pid 5428] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5427] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5427] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5427] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5427] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5427] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5427] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[344], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 344 [pid 5427] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5427] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5428] <... mmap resumed>) = 0x20000000 [pid 5428] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5428] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5429 attached [pid 5429] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5429] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5430 attached [pid 5430] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5427] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5427] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5427] close(3) = -1 EBADF (Bad file descriptor) [pid 5427] close(4) = -1 EBADF (Bad file descriptor) [pid 5427] close(5) = -1 EBADF (Bad file descriptor) [pid 5427] close(6) = -1 EBADF (Bad file descriptor) [pid 5427] close(7) = -1 EBADF (Bad file descriptor) [pid 5427] close(8) = -1 EBADF (Bad file descriptor) [pid 5427] close(9) = -1 EBADF (Bad file descriptor) [pid 5427] close(10) = -1 EBADF (Bad file descriptor) [pid 5427] close(11) = -1 EBADF (Bad file descriptor) [pid 5427] close(12) = -1 EBADF (Bad file descriptor) [pid 5427] close(13) = -1 EBADF (Bad file descriptor) [pid 5427] close(14) = -1 EBADF (Bad file descriptor) [pid 5427] close(15) = -1 EBADF (Bad file descriptor) [pid 5427] close(16) = -1 EBADF (Bad file descriptor) [pid 5427] close(17) = -1 EBADF (Bad file descriptor) [pid 5427] close(18) = -1 EBADF (Bad file descriptor) [pid 5427] close(19) = -1 EBADF (Bad file descriptor) [pid 5427] close(20) = -1 EBADF (Bad file descriptor) [pid 5427] close(21) = -1 EBADF (Bad file descriptor) [pid 5427] close(22) = -1 EBADF (Bad file descriptor) [pid 5427] close(23) = -1 EBADF (Bad file descriptor) [pid 5427] close(24) = -1 EBADF (Bad file descriptor) [pid 5427] close(25) = -1 EBADF (Bad file descriptor) [pid 5427] close(26) = -1 EBADF (Bad file descriptor) [pid 5427] close(27) = -1 EBADF (Bad file descriptor) [pid 5427] close(28) = -1 EBADF (Bad file descriptor) [pid 5427] close(29) = -1 EBADF (Bad file descriptor) [pid 5427] exit_group(0 [pid 5429] <... clone resumed>) = ? [pid 5428] <... futex resumed>) = ? [pid 5427] <... exit_group resumed>) = ? [pid 5429] +++ exited with 0 +++ [pid 5428] +++ exited with 0 +++ [pid 5427] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=342, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=65 /* 0.65 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 346 ./strace-static-x86_64: Process 5431 attached [pid 5431] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5431] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5431] setpgid(0, 0) = 0 [pid 5431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5431] write(3, "1000", 4) = 4 [pid 5431] close(3) = 0 [pid 5431] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5431] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5431] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5431] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[347], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 347 [pid 5431] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5431] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5432 attached [pid 5432] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5432] memfd_create("syzkaller", 0) = 3 [pid 5432] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5432] 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"..., 67108864 [pid 5430] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=345, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=41 /* 0.41 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5432] <... write resumed>) = 67108864 [pid 5432] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5432] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5432] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5432] ioctl(4, LOOP_CLR_FD) = 0 [pid 5432] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5432] close(4) = 0 [pid 5432] close(3) = 0 [pid 5432] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5431] <... futex resumed>) = 0 [pid 5431] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5431] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5432] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5431] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5431] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5431] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5431] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5432] <... mmap resumed>) = 0x20000000 [pid 5431] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5431] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5432] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5431] <... mprotect resumed>) = 0 [pid 5431] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5432] <... futex resumed>) = 0 [pid 5431] <... clone resumed>, parent_tid=[348], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 348 [pid 5431] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5431] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5432] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5433 attached [pid 5433] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5433] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5434 attached [pid 5434] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5431] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5431] close(3) = -1 EBADF (Bad file descriptor) [pid 5431] close(4) = -1 EBADF (Bad file descriptor) [pid 5431] close(5) = -1 EBADF (Bad file descriptor) [pid 5431] close(6) = -1 EBADF (Bad file descriptor) [pid 5431] close(7) = -1 EBADF (Bad file descriptor) [pid 5431] close(8) = -1 EBADF (Bad file descriptor) [pid 5431] close(9) = -1 EBADF (Bad file descriptor) [pid 5431] close(10) = -1 EBADF (Bad file descriptor) [pid 5431] close(11) = -1 EBADF (Bad file descriptor) [pid 5431] close(12) = -1 EBADF (Bad file descriptor) [pid 5431] close(13) = -1 EBADF (Bad file descriptor) [pid 5431] close(14) = -1 EBADF (Bad file descriptor) [pid 5431] close(15) = -1 EBADF (Bad file descriptor) [pid 5431] close(16) = -1 EBADF (Bad file descriptor) [pid 5431] close(17) = -1 EBADF (Bad file descriptor) [pid 5431] close(18) = -1 EBADF (Bad file descriptor) [pid 5431] close(19) = -1 EBADF (Bad file descriptor) [pid 5431] close(20) = -1 EBADF (Bad file descriptor) [pid 5431] close(21) = -1 EBADF (Bad file descriptor) [pid 5431] close(22) = -1 EBADF (Bad file descriptor) [pid 5431] close(23) = -1 EBADF (Bad file descriptor) [pid 5431] close(24) = -1 EBADF (Bad file descriptor) [pid 5431] close(25) = -1 EBADF (Bad file descriptor) [pid 5431] close(26) = -1 EBADF (Bad file descriptor) [pid 5431] close(27) = -1 EBADF (Bad file descriptor) [pid 5431] close(28) = -1 EBADF (Bad file descriptor) [pid 5431] close(29) = -1 EBADF (Bad file descriptor) [pid 5431] exit_group(0 [pid 5433] <... clone resumed>) = ? [pid 5432] <... futex resumed>) = ? [pid 5431] <... exit_group resumed>) = ? [pid 5433] +++ exited with 0 +++ [pid 5432] +++ exited with 0 +++ [pid 5431] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=346, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=66 /* 0.66 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 350 ./strace-static-x86_64: Process 5435 attached [pid 5435] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5435] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5435] setpgid(0, 0) = 0 [pid 5435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5435] write(3, "1000", 4) = 4 [pid 5435] close(3) = 0 [pid 5435] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5435] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5435] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[351], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 351 [pid 5435] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5435] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5436 attached [pid 5436] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5436] memfd_create("syzkaller", 0) = 3 [pid 5436] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5434] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=349, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5436] 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"..., 67108864) = 67108864 [pid 5436] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5436] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5436] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5436] ioctl(4, LOOP_CLR_FD) = 0 [pid 5436] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5436] close(4) = 0 [pid 5436] close(3) = 0 [pid 5436] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5435] <... futex resumed>) = 0 [pid 5435] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5435] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5436] <... futex resumed>) = 1 [pid 5436] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5435] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5435] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5435] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5435] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5435] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5435] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[352], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 352 [pid 5435] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5435] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5436] <... mmap resumed>) = 0x20000000 [pid 5436] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5436] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5437 attached [pid 5437] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5437] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5438 attached [pid 5438] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5435] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5435] close(3) = -1 EBADF (Bad file descriptor) [pid 5435] close(4) = -1 EBADF (Bad file descriptor) [pid 5435] close(5) = -1 EBADF (Bad file descriptor) [pid 5435] close(6) = -1 EBADF (Bad file descriptor) [pid 5435] close(7) = -1 EBADF (Bad file descriptor) [pid 5435] close(8) = -1 EBADF (Bad file descriptor) [pid 5435] close(9) = -1 EBADF (Bad file descriptor) [pid 5435] close(10) = -1 EBADF (Bad file descriptor) [pid 5435] close(11) = -1 EBADF (Bad file descriptor) [pid 5435] close(12) = -1 EBADF (Bad file descriptor) [pid 5435] close(13) = -1 EBADF (Bad file descriptor) [pid 5435] close(14) = -1 EBADF (Bad file descriptor) [pid 5435] close(15) = -1 EBADF (Bad file descriptor) [pid 5435] close(16) = -1 EBADF (Bad file descriptor) [pid 5435] close(17) = -1 EBADF (Bad file descriptor) [pid 5435] close(18) = -1 EBADF (Bad file descriptor) [pid 5435] close(19) = -1 EBADF (Bad file descriptor) [pid 5435] close(20) = -1 EBADF (Bad file descriptor) [pid 5435] close(21) = -1 EBADF (Bad file descriptor) [pid 5435] close(22) = -1 EBADF (Bad file descriptor) [pid 5435] close(23) = -1 EBADF (Bad file descriptor) [pid 5435] close(24) = -1 EBADF (Bad file descriptor) [pid 5435] close(25) = -1 EBADF (Bad file descriptor) [pid 5435] close(26) = -1 EBADF (Bad file descriptor) [pid 5435] close(27) = -1 EBADF (Bad file descriptor) [pid 5435] close(28) = -1 EBADF (Bad file descriptor) [pid 5435] close(29) = -1 EBADF (Bad file descriptor) [pid 5435] exit_group(0 [pid 5437] <... clone resumed>) = ? [pid 5436] <... futex resumed>) = ? [pid 5435] <... exit_group resumed>) = ? [pid 5437] +++ exited with 0 +++ [pid 5436] +++ exited with 0 +++ [pid 5435] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=350, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=69 /* 0.69 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 354 ./strace-static-x86_64: Process 5439 attached [pid 5439] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5439] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5439] setpgid(0, 0) = 0 [pid 5439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5439] write(3, "1000", 4) = 4 [pid 5439] close(3) = 0 [pid 5439] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5439] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5439] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5439] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[355], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 355 [pid 5439] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5439] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5440 attached [pid 5440] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5440] memfd_create("syzkaller", 0) = 3 [pid 5440] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5438] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=353, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=40 /* 0.40 s */} --- [pid 5440] 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"..., 67108864) = 67108864 [pid 5440] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5440] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5440] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5440] ioctl(4, LOOP_CLR_FD) = 0 [pid 5440] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5440] close(4) = 0 [pid 5440] close(3) = 0 [pid 5440] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5439] <... futex resumed>) = 0 [pid 5439] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5439] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5440] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5439] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5439] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5439] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5440] <... mmap resumed>) = 0x20000000 [pid 5439] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5439] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5440] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5439] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5440] <... futex resumed>) = 0 [pid 5439] <... clone resumed>, parent_tid=[356], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 356 [pid 5439] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5439] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5440] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5441 attached [pid 5441] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5441] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5442 attached [pid 5442] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5439] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5439] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5439] close(3) = -1 EBADF (Bad file descriptor) [pid 5439] close(4) = -1 EBADF (Bad file descriptor) [pid 5439] close(5) = -1 EBADF (Bad file descriptor) [pid 5439] close(6) = -1 EBADF (Bad file descriptor) [pid 5439] close(7) = -1 EBADF (Bad file descriptor) [pid 5439] close(8) = -1 EBADF (Bad file descriptor) [pid 5439] close(9) = -1 EBADF (Bad file descriptor) [pid 5439] close(10) = -1 EBADF (Bad file descriptor) [pid 5439] close(11) = -1 EBADF (Bad file descriptor) [pid 5439] close(12) = -1 EBADF (Bad file descriptor) [pid 5439] close(13) = -1 EBADF (Bad file descriptor) [pid 5439] close(14) = -1 EBADF (Bad file descriptor) [pid 5439] close(15) = -1 EBADF (Bad file descriptor) [pid 5439] close(16) = -1 EBADF (Bad file descriptor) [pid 5439] close(17) = -1 EBADF (Bad file descriptor) [pid 5439] close(18) = -1 EBADF (Bad file descriptor) [pid 5439] close(19) = -1 EBADF (Bad file descriptor) [pid 5439] close(20) = -1 EBADF (Bad file descriptor) [pid 5439] close(21) = -1 EBADF (Bad file descriptor) [pid 5439] close(22) = -1 EBADF (Bad file descriptor) [pid 5439] close(23) = -1 EBADF (Bad file descriptor) [pid 5439] close(24) = -1 EBADF (Bad file descriptor) [pid 5439] close(25) = -1 EBADF (Bad file descriptor) [pid 5439] close(26) = -1 EBADF (Bad file descriptor) [pid 5439] close(27) = -1 EBADF (Bad file descriptor) [pid 5439] close(28) = -1 EBADF (Bad file descriptor) [pid 5439] close(29) = -1 EBADF (Bad file descriptor) [pid 5439] exit_group(0 [pid 5441] <... clone resumed>) = ? [pid 5440] <... futex resumed>) = ? [pid 5439] <... exit_group resumed>) = ? [pid 5441] +++ exited with 0 +++ [pid 5440] +++ exited with 0 +++ [pid 5439] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=354, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=59 /* 0.59 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 358 ./strace-static-x86_64: Process 5443 attached [pid 5443] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5443] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5443] setpgid(0, 0) = 0 [pid 5443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5443] write(3, "1000", 4) = 4 [pid 5443] close(3) = 0 [pid 5443] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5443] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5443] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5443] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[359], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 359 [pid 5443] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5443] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5444 attached [pid 5444] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5444] memfd_create("syzkaller", 0) = 3 [pid 5444] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5442] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=357, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5444] 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"..., 67108864) = 67108864 [pid 5444] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5444] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5444] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5444] ioctl(4, LOOP_CLR_FD) = 0 [pid 5444] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5444] close(4) = 0 [pid 5444] close(3) = 0 [pid 5444] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5443] <... futex resumed>) = 0 [pid 5443] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5443] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5444] <... futex resumed>) = 1 [pid 5444] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5443] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5443] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5443] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5443] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5443] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5443] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[360], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 360 [pid 5443] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5443] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5444] <... mmap resumed>) = 0x20000000 [pid 5444] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5444] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5445 attached [pid 5445] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5445] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5446 attached [pid 5446] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5443] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5443] close(3) = -1 EBADF (Bad file descriptor) [pid 5443] close(4) = -1 EBADF (Bad file descriptor) [pid 5443] close(5) = -1 EBADF (Bad file descriptor) [pid 5443] close(6) = -1 EBADF (Bad file descriptor) [pid 5443] close(7) = -1 EBADF (Bad file descriptor) [pid 5443] close(8) = -1 EBADF (Bad file descriptor) [pid 5443] close(9) = -1 EBADF (Bad file descriptor) [pid 5443] close(10) = -1 EBADF (Bad file descriptor) [pid 5443] close(11) = -1 EBADF (Bad file descriptor) [pid 5443] close(12) = -1 EBADF (Bad file descriptor) [pid 5443] close(13) = -1 EBADF (Bad file descriptor) [pid 5443] close(14) = -1 EBADF (Bad file descriptor) [pid 5443] close(15) = -1 EBADF (Bad file descriptor) [pid 5443] close(16) = -1 EBADF (Bad file descriptor) [pid 5443] close(17) = -1 EBADF (Bad file descriptor) [pid 5443] close(18) = -1 EBADF (Bad file descriptor) [pid 5443] close(19) = -1 EBADF (Bad file descriptor) [pid 5443] close(20) = -1 EBADF (Bad file descriptor) [pid 5443] close(21) = -1 EBADF (Bad file descriptor) [pid 5443] close(22) = -1 EBADF (Bad file descriptor) [pid 5443] close(23) = -1 EBADF (Bad file descriptor) [pid 5443] close(24) = -1 EBADF (Bad file descriptor) [pid 5443] close(25) = -1 EBADF (Bad file descriptor) [pid 5443] close(26) = -1 EBADF (Bad file descriptor) [pid 5443] close(27) = -1 EBADF (Bad file descriptor) [pid 5443] close(28) = -1 EBADF (Bad file descriptor) [pid 5443] close(29) = -1 EBADF (Bad file descriptor) [pid 5443] exit_group(0 [pid 5445] <... clone resumed>) = ? [pid 5444] <... futex resumed>) = ? [pid 5443] <... exit_group resumed>) = ? [pid 5445] +++ exited with 0 +++ [pid 5444] +++ exited with 0 +++ [pid 5443] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=358, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=70 /* 0.70 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 362 ./strace-static-x86_64: Process 5447 attached [pid 5447] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5447] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5447] setpgid(0, 0) = 0 [pid 5447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5447] write(3, "1000", 4) = 4 [pid 5447] close(3) = 0 [pid 5447] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5447] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5447] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5447] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[363], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 363 [pid 5447] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5447] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5448 attached [pid 5448] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5448] memfd_create("syzkaller", 0) = 3 [pid 5448] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5446] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=361, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5448] 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"..., 67108864) = 67108864 [pid 5448] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5448] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5448] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5448] ioctl(4, LOOP_CLR_FD) = 0 [pid 5448] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5448] close(4) = 0 [pid 5448] close(3) = 0 [pid 5448] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5447] <... futex resumed>) = 0 [pid 5447] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5447] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5448] <... futex resumed>) = 1 [pid 5448] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5447] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5447] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5447] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5447] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5447] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[364], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 364 [pid 5447] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5447] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5448] <... mmap resumed>) = 0x20000000 [pid 5448] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5448] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5449 attached [pid 5449] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5449] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5450 attached [pid 5450] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5447] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5447] close(3) = -1 EBADF (Bad file descriptor) [pid 5447] close(4) = -1 EBADF (Bad file descriptor) [pid 5447] close(5) = -1 EBADF (Bad file descriptor) [pid 5447] close(6) = -1 EBADF (Bad file descriptor) [pid 5447] close(7) = -1 EBADF (Bad file descriptor) [pid 5447] close(8) = -1 EBADF (Bad file descriptor) [pid 5447] close(9) = -1 EBADF (Bad file descriptor) [pid 5447] close(10) = -1 EBADF (Bad file descriptor) [pid 5447] close(11) = -1 EBADF (Bad file descriptor) [pid 5447] close(12) = -1 EBADF (Bad file descriptor) [pid 5447] close(13) = -1 EBADF (Bad file descriptor) [pid 5447] close(14) = -1 EBADF (Bad file descriptor) [pid 5447] close(15) = -1 EBADF (Bad file descriptor) [pid 5447] close(16) = -1 EBADF (Bad file descriptor) [pid 5447] close(17) = -1 EBADF (Bad file descriptor) [pid 5447] close(18) = -1 EBADF (Bad file descriptor) [pid 5447] close(19) = -1 EBADF (Bad file descriptor) [pid 5447] close(20) = -1 EBADF (Bad file descriptor) [pid 5447] close(21) = -1 EBADF (Bad file descriptor) [pid 5447] close(22) = -1 EBADF (Bad file descriptor) [pid 5447] close(23) = -1 EBADF (Bad file descriptor) [pid 5447] close(24) = -1 EBADF (Bad file descriptor) [pid 5447] close(25) = -1 EBADF (Bad file descriptor) [pid 5447] close(26) = -1 EBADF (Bad file descriptor) [pid 5447] close(27) = -1 EBADF (Bad file descriptor) [pid 5447] close(28) = -1 EBADF (Bad file descriptor) [pid 5447] close(29) = -1 EBADF (Bad file descriptor) [pid 5447] exit_group(0 [pid 5449] <... clone resumed>) = ? [pid 5448] <... futex resumed>) = ? [pid 5447] <... exit_group resumed>) = ? [pid 5449] +++ exited with 0 +++ [pid 5448] +++ exited with 0 +++ [pid 5447] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=362, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=72 /* 0.72 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 366 ./strace-static-x86_64: Process 5451 attached [pid 5451] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5451] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5451] setpgid(0, 0) = 0 [pid 5451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5451] write(3, "1000", 4) = 4 [pid 5451] close(3) = 0 [pid 5451] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5451] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5451] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5451] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[367], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 367 [pid 5451] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5451] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5452 attached [pid 5452] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5452] memfd_create("syzkaller", 0) = 3 [pid 5452] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5450] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=365, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5452] 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"..., 67108864) = 67108864 [pid 5452] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5452] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5452] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5452] ioctl(4, LOOP_CLR_FD) = 0 [pid 5452] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5452] close(4) = 0 [pid 5452] close(3) = 0 [pid 5452] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5451] <... futex resumed>) = 0 [pid 5451] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5451] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5452] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5451] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5451] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5451] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5451] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5452] <... mmap resumed>) = 0x20000000 [pid 5451] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5451] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5451] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5452] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5451] <... clone resumed>, parent_tid=[368], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 368 [pid 5451] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5451] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5452] <... futex resumed>) = 0 [pid 5452] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5453 attached [pid 5453] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5453] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5454 attached [pid 5454] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5451] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5451] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5451] close(3) = -1 EBADF (Bad file descriptor) [pid 5451] close(4) = -1 EBADF (Bad file descriptor) [pid 5451] close(5) = -1 EBADF (Bad file descriptor) [pid 5451] close(6) = -1 EBADF (Bad file descriptor) [pid 5451] close(7) = -1 EBADF (Bad file descriptor) [pid 5451] close(8) = -1 EBADF (Bad file descriptor) [pid 5451] close(9) = -1 EBADF (Bad file descriptor) [pid 5451] close(10) = -1 EBADF (Bad file descriptor) [pid 5451] close(11) = -1 EBADF (Bad file descriptor) [pid 5451] close(12) = -1 EBADF (Bad file descriptor) [pid 5451] close(13) = -1 EBADF (Bad file descriptor) [pid 5451] close(14) = -1 EBADF (Bad file descriptor) [pid 5451] close(15) = -1 EBADF (Bad file descriptor) [pid 5451] close(16) = -1 EBADF (Bad file descriptor) [pid 5451] close(17) = -1 EBADF (Bad file descriptor) [pid 5451] close(18) = -1 EBADF (Bad file descriptor) [pid 5451] close(19) = -1 EBADF (Bad file descriptor) [pid 5451] close(20) = -1 EBADF (Bad file descriptor) [pid 5451] close(21) = -1 EBADF (Bad file descriptor) [pid 5451] close(22) = -1 EBADF (Bad file descriptor) [pid 5451] close(23) = -1 EBADF (Bad file descriptor) [pid 5451] close(24) = -1 EBADF (Bad file descriptor) [pid 5451] close(25) = -1 EBADF (Bad file descriptor) [pid 5451] close(26) = -1 EBADF (Bad file descriptor) [pid 5451] close(27) = -1 EBADF (Bad file descriptor) [pid 5451] close(28) = -1 EBADF (Bad file descriptor) [pid 5451] close(29) = -1 EBADF (Bad file descriptor) [pid 5451] exit_group(0 [pid 5453] <... clone resumed>) = ? [pid 5452] <... futex resumed>) = ? [pid 5451] <... exit_group resumed>) = ? [pid 5453] +++ exited with 0 +++ [pid 5452] +++ exited with 0 +++ [pid 5451] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=366, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=64 /* 0.64 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5455 attached , child_tidptr=0x55555691f5d0) = 370 [pid 5455] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5455] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5455] setpgid(0, 0) = 0 [pid 5455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5455] write(3, "1000", 4) = 4 [pid 5455] close(3) = 0 [pid 5455] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5455] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5455] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[371], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 371 [pid 5455] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5455] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5456 attached [pid 5456] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5456] memfd_create("syzkaller", 0) = 3 [pid 5456] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5454] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=369, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5456] 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"..., 67108864) = 67108864 [pid 5456] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5456] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5456] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5456] ioctl(4, LOOP_CLR_FD) = 0 [pid 5456] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5456] close(4) = 0 [pid 5456] close(3) = 0 [pid 5456] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5455] <... futex resumed>) = 0 [pid 5455] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5456] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5455] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5455] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5455] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5456] <... mmap resumed>) = 0x20000000 [pid 5455] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5455] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5455] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5456] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5455] <... clone resumed>, parent_tid=[372], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 372 [pid 5455] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5455] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5456] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5457 attached [pid 5457] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5457] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5458 attached [pid 5458] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5455] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5455] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5455] close(3) = -1 EBADF (Bad file descriptor) [pid 5455] close(4) = -1 EBADF (Bad file descriptor) [pid 5455] close(5) = -1 EBADF (Bad file descriptor) [pid 5455] close(6) = -1 EBADF (Bad file descriptor) [pid 5455] close(7) = -1 EBADF (Bad file descriptor) [pid 5455] close(8) = -1 EBADF (Bad file descriptor) [pid 5455] close(9) = -1 EBADF (Bad file descriptor) [pid 5455] close(10) = -1 EBADF (Bad file descriptor) [pid 5455] close(11) = -1 EBADF (Bad file descriptor) [pid 5455] close(12) = -1 EBADF (Bad file descriptor) [pid 5455] close(13) = -1 EBADF (Bad file descriptor) [pid 5455] close(14) = -1 EBADF (Bad file descriptor) [pid 5455] close(15) = -1 EBADF (Bad file descriptor) [pid 5455] close(16) = -1 EBADF (Bad file descriptor) [pid 5455] close(17) = -1 EBADF (Bad file descriptor) [pid 5455] close(18) = -1 EBADF (Bad file descriptor) [pid 5455] close(19) = -1 EBADF (Bad file descriptor) [pid 5455] close(20) = -1 EBADF (Bad file descriptor) [pid 5455] close(21) = -1 EBADF (Bad file descriptor) [pid 5455] close(22) = -1 EBADF (Bad file descriptor) [pid 5455] close(23) = -1 EBADF (Bad file descriptor) [pid 5455] close(24) = -1 EBADF (Bad file descriptor) [pid 5455] close(25) = -1 EBADF (Bad file descriptor) [pid 5455] close(26) = -1 EBADF (Bad file descriptor) [pid 5455] close(27) = -1 EBADF (Bad file descriptor) [pid 5455] close(28) = -1 EBADF (Bad file descriptor) [pid 5455] close(29) = -1 EBADF (Bad file descriptor) [pid 5455] exit_group(0 [pid 5457] <... clone resumed>) = ? [pid 5456] <... futex resumed>) = ? [pid 5455] <... exit_group resumed>) = ? [pid 5457] +++ exited with 0 +++ [pid 5456] +++ exited with 0 +++ [pid 5455] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=370, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=64 /* 0.64 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 374 ./strace-static-x86_64: Process 5459 attached [pid 5459] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5459] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5459] setpgid(0, 0) = 0 [pid 5459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5459] write(3, "1000", 4) = 4 [pid 5459] close(3) = 0 [pid 5459] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5459] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5459] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5459] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[375], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 375 [pid 5459] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5459] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5460 attached [pid 5460] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5460] memfd_create("syzkaller", 0) = 3 [pid 5460] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5458] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=373, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5460] 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"..., 67108864) = 67108864 [pid 5460] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5460] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5460] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5460] ioctl(4, LOOP_CLR_FD) = 0 [pid 5460] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5460] close(4) = 0 [pid 5460] close(3) = 0 [pid 5460] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5459] <... futex resumed>) = 0 [pid 5459] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5459] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5460] <... futex resumed>) = 1 [pid 5460] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5459] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5459] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5459] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5459] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5459] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[376], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 376 [pid 5459] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5459] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5460] <... mmap resumed>) = 0x20000000 [pid 5460] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5460] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5461 attached [pid 5461] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5461] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5462 attached [pid 5462] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5459] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5459] close(3) = -1 EBADF (Bad file descriptor) [pid 5459] close(4) = -1 EBADF (Bad file descriptor) [pid 5459] close(5) = -1 EBADF (Bad file descriptor) [pid 5459] close(6) = -1 EBADF (Bad file descriptor) [pid 5459] close(7) = -1 EBADF (Bad file descriptor) [pid 5459] close(8) = -1 EBADF (Bad file descriptor) [pid 5459] close(9) = -1 EBADF (Bad file descriptor) [pid 5459] close(10) = -1 EBADF (Bad file descriptor) [pid 5459] close(11) = -1 EBADF (Bad file descriptor) [pid 5459] close(12) = -1 EBADF (Bad file descriptor) [pid 5459] close(13) = -1 EBADF (Bad file descriptor) [pid 5459] close(14) = -1 EBADF (Bad file descriptor) [pid 5459] close(15) = -1 EBADF (Bad file descriptor) [pid 5459] close(16) = -1 EBADF (Bad file descriptor) [pid 5459] close(17) = -1 EBADF (Bad file descriptor) [pid 5459] close(18) = -1 EBADF (Bad file descriptor) [pid 5459] close(19) = -1 EBADF (Bad file descriptor) [pid 5459] close(20) = -1 EBADF (Bad file descriptor) [pid 5459] close(21) = -1 EBADF (Bad file descriptor) [pid 5459] close(22) = -1 EBADF (Bad file descriptor) [pid 5459] close(23) = -1 EBADF (Bad file descriptor) [pid 5459] close(24) = -1 EBADF (Bad file descriptor) [pid 5459] close(25) = -1 EBADF (Bad file descriptor) [pid 5459] close(26) = -1 EBADF (Bad file descriptor) [pid 5459] close(27) = -1 EBADF (Bad file descriptor) [pid 5459] close(28) = -1 EBADF (Bad file descriptor) [pid 5459] close(29) = -1 EBADF (Bad file descriptor) [pid 5459] exit_group(0 [pid 5461] <... clone resumed>) = ? [pid 5460] <... futex resumed>) = ? [pid 5459] <... exit_group resumed>) = ? [pid 5461] +++ exited with 0 +++ [pid 5460] +++ exited with 0 +++ [pid 5459] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=374, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=73 /* 0.73 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 378 ./strace-static-x86_64: Process 5463 attached [pid 5463] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5463] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5463] setpgid(0, 0) = 0 [pid 5463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5463] write(3, "1000", 4) = 4 [pid 5463] close(3) = 0 [pid 5463] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5463] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5463] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5463] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[379], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 379 [pid 5463] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5463] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5464 attached [pid 5464] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5464] memfd_create("syzkaller", 0) = 3 [pid 5464] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5462] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=377, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=31 /* 0.31 s */} --- [pid 5464] 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"..., 67108864) = 67108864 [pid 5464] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5464] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5464] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5464] ioctl(4, LOOP_CLR_FD) = 0 [pid 5464] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5464] close(4) = 0 [pid 5464] close(3) = 0 [pid 5464] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5463] <... futex resumed>) = 0 [pid 5463] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5463] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5464] <... futex resumed>) = 1 [pid 5464] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5463] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5463] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5463] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5463] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5463] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5463] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[380], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 380 [pid 5463] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5463] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5464] <... mmap resumed>) = 0x20000000 [pid 5464] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5464] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5465 attached [pid 5465] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5465] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5466 attached [pid 5466] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5463] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5463] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5463] close(3) = -1 EBADF (Bad file descriptor) [pid 5463] close(4) = -1 EBADF (Bad file descriptor) [pid 5463] close(5) = -1 EBADF (Bad file descriptor) [pid 5463] close(6) = -1 EBADF (Bad file descriptor) [pid 5463] close(7) = -1 EBADF (Bad file descriptor) [pid 5463] close(8) = -1 EBADF (Bad file descriptor) [pid 5463] close(9) = -1 EBADF (Bad file descriptor) [pid 5463] close(10) = -1 EBADF (Bad file descriptor) [pid 5463] close(11) = -1 EBADF (Bad file descriptor) [pid 5463] close(12) = -1 EBADF (Bad file descriptor) [pid 5463] close(13) = -1 EBADF (Bad file descriptor) [pid 5463] close(14) = -1 EBADF (Bad file descriptor) [pid 5463] close(15) = -1 EBADF (Bad file descriptor) [pid 5463] close(16) = -1 EBADF (Bad file descriptor) [pid 5463] close(17) = -1 EBADF (Bad file descriptor) [pid 5463] close(18) = -1 EBADF (Bad file descriptor) [pid 5463] close(19) = -1 EBADF (Bad file descriptor) [pid 5463] close(20) = -1 EBADF (Bad file descriptor) [pid 5463] close(21) = -1 EBADF (Bad file descriptor) [pid 5463] close(22) = -1 EBADF (Bad file descriptor) [pid 5463] close(23) = -1 EBADF (Bad file descriptor) [pid 5463] close(24) = -1 EBADF (Bad file descriptor) [pid 5463] close(25) = -1 EBADF (Bad file descriptor) [pid 5463] close(26) = -1 EBADF (Bad file descriptor) [pid 5463] close(27) = -1 EBADF (Bad file descriptor) [pid 5463] close(28) = -1 EBADF (Bad file descriptor) [pid 5463] close(29) = -1 EBADF (Bad file descriptor) [pid 5463] exit_group(0 [pid 5465] <... clone resumed>) = ? [pid 5464] <... futex resumed>) = ? [pid 5463] <... exit_group resumed>) = ? [pid 5465] +++ exited with 0 +++ [pid 5464] +++ exited with 0 +++ [pid 5463] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=378, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=70 /* 0.70 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 382 ./strace-static-x86_64: Process 5467 attached [pid 5467] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5467] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5467] setpgid(0, 0) = 0 [pid 5467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5467] write(3, "1000", 4) = 4 [pid 5467] close(3) = 0 [pid 5467] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5467] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5467] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[383], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 383 [pid 5467] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5467] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5468 attached [pid 5468] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5468] memfd_create("syzkaller", 0) = 3 [pid 5468] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5466] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=381, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5468] 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"..., 67108864) = 67108864 [pid 5468] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5468] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5468] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5468] ioctl(4, LOOP_CLR_FD) = 0 [pid 5468] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5468] close(4) = 0 [pid 5468] close(3) = 0 [pid 5468] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5467] <... futex resumed>) = 0 [pid 5467] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5467] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5468] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5467] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5467] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5467] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5467] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5468] <... mmap resumed>) = 0x20000000 [pid 5467] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5467] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5468] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5468] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5467] <... mprotect resumed>) = 0 [pid 5467] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5469 attached , parent_tid=[384], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 384 [pid 5467] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5467] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5469] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5469] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5470 attached [pid 5470] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5467] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5467] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5467] close(3) = -1 EBADF (Bad file descriptor) [pid 5467] close(4) = -1 EBADF (Bad file descriptor) [pid 5467] close(5) = -1 EBADF (Bad file descriptor) [pid 5467] close(6) = -1 EBADF (Bad file descriptor) [pid 5467] close(7) = -1 EBADF (Bad file descriptor) [pid 5467] close(8) = -1 EBADF (Bad file descriptor) [pid 5467] close(9) = -1 EBADF (Bad file descriptor) [pid 5467] close(10) = -1 EBADF (Bad file descriptor) [pid 5467] close(11) = -1 EBADF (Bad file descriptor) [pid 5467] close(12) = -1 EBADF (Bad file descriptor) [pid 5467] close(13) = -1 EBADF (Bad file descriptor) [pid 5467] close(14) = -1 EBADF (Bad file descriptor) [pid 5467] close(15) = -1 EBADF (Bad file descriptor) [pid 5467] close(16) = -1 EBADF (Bad file descriptor) [pid 5467] close(17) = -1 EBADF (Bad file descriptor) [pid 5467] close(18) = -1 EBADF (Bad file descriptor) [pid 5467] close(19) = -1 EBADF (Bad file descriptor) [pid 5467] close(20) = -1 EBADF (Bad file descriptor) [pid 5467] close(21) = -1 EBADF (Bad file descriptor) [pid 5467] close(22) = -1 EBADF (Bad file descriptor) [pid 5467] close(23) = -1 EBADF (Bad file descriptor) [pid 5467] close(24) = -1 EBADF (Bad file descriptor) [pid 5467] close(25) = -1 EBADF (Bad file descriptor) [pid 5467] close(26) = -1 EBADF (Bad file descriptor) [pid 5467] close(27) = -1 EBADF (Bad file descriptor) [pid 5467] close(28) = -1 EBADF (Bad file descriptor) [pid 5467] close(29) = -1 EBADF (Bad file descriptor) [pid 5467] exit_group(0 [pid 5469] <... clone resumed>) = ? [pid 5468] <... futex resumed>) = ? [pid 5467] <... exit_group resumed>) = ? [pid 5469] +++ exited with 0 +++ [pid 5468] +++ exited with 0 +++ [pid 5467] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=382, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=71 /* 0.71 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 386 ./strace-static-x86_64: Process 5471 attached [pid 5471] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5471] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5471] setpgid(0, 0) = 0 [pid 5471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5471] write(3, "1000", 4) = 4 [pid 5471] close(3) = 0 [pid 5471] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5471] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5471] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5471] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[387], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 387 [pid 5471] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5471] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5472 attached [pid 5472] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5472] memfd_create("syzkaller", 0) = 3 [pid 5472] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5472] 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"..., 67108864 [pid 5470] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=385, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5472] <... write resumed>) = 67108864 [pid 5472] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5472] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5472] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5472] ioctl(4, LOOP_CLR_FD) = 0 [pid 5472] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5472] close(4) = 0 [pid 5472] close(3) = 0 [pid 5472] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5471] <... futex resumed>) = 0 [pid 5471] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5471] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5472] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5471] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5471] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5471] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5472] <... mmap resumed>) = 0x20000000 [pid 5471] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5471] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5471] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[388], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 388 [pid 5471] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5471] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5472] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5472] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5473 attached [pid 5473] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5473] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5474 attached [pid 5474] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5471] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5471] close(3) = -1 EBADF (Bad file descriptor) [pid 5471] close(4) = -1 EBADF (Bad file descriptor) [pid 5471] close(5) = -1 EBADF (Bad file descriptor) [pid 5471] close(6) = -1 EBADF (Bad file descriptor) [pid 5471] close(7) = -1 EBADF (Bad file descriptor) [pid 5471] close(8) = -1 EBADF (Bad file descriptor) [pid 5471] close(9) = -1 EBADF (Bad file descriptor) [pid 5471] close(10) = -1 EBADF (Bad file descriptor) [pid 5471] close(11) = -1 EBADF (Bad file descriptor) [pid 5471] close(12) = -1 EBADF (Bad file descriptor) [pid 5471] close(13) = -1 EBADF (Bad file descriptor) [pid 5471] close(14) = -1 EBADF (Bad file descriptor) [pid 5471] close(15) = -1 EBADF (Bad file descriptor) [pid 5471] close(16) = -1 EBADF (Bad file descriptor) [pid 5471] close(17) = -1 EBADF (Bad file descriptor) [pid 5471] close(18) = -1 EBADF (Bad file descriptor) [pid 5471] close(19) = -1 EBADF (Bad file descriptor) [pid 5471] close(20) = -1 EBADF (Bad file descriptor) [pid 5471] close(21) = -1 EBADF (Bad file descriptor) [pid 5471] close(22) = -1 EBADF (Bad file descriptor) [pid 5471] close(23) = -1 EBADF (Bad file descriptor) [pid 5471] close(24) = -1 EBADF (Bad file descriptor) [pid 5471] close(25) = -1 EBADF (Bad file descriptor) [pid 5471] close(26) = -1 EBADF (Bad file descriptor) [pid 5471] close(27) = -1 EBADF (Bad file descriptor) [pid 5471] close(28) = -1 EBADF (Bad file descriptor) [pid 5471] close(29) = -1 EBADF (Bad file descriptor) [pid 5471] exit_group(0 [pid 5473] <... clone resumed>) = ? [pid 5472] <... futex resumed>) = ? [pid 5471] <... exit_group resumed>) = ? [pid 5473] +++ exited with 0 +++ [pid 5472] +++ exited with 0 +++ [pid 5471] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=386, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=72 /* 0.72 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 390 ./strace-static-x86_64: Process 5475 attached [pid 5475] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5475] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5475] setpgid(0, 0) = 0 [pid 5475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5475] write(3, "1000", 4) = 4 [pid 5475] close(3) = 0 [pid 5475] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5475] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5475] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5475] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[391], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 391 [pid 5475] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5475] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5476 attached [pid 5476] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5476] memfd_create("syzkaller", 0) = 3 [pid 5476] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5474] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=389, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=34 /* 0.34 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5476] 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"..., 67108864) = 67108864 [pid 5476] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5476] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5476] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5476] ioctl(4, LOOP_CLR_FD) = 0 [pid 5476] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5476] close(4) = 0 [pid 5476] close(3) = 0 [pid 5476] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5475] <... futex resumed>) = 0 [pid 5475] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5475] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5476] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5475] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5475] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5475] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5475] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5476] <... mmap resumed>) = 0x20000000 [pid 5475] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5475] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5475] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5476] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5475] <... clone resumed>, parent_tid=[392], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 392 [pid 5475] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5475] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5476] <... futex resumed>) = 0 [pid 5476] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5477 attached [pid 5477] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5477] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5478 attached [pid 5478] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5475] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5475] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5475] close(3) = -1 EBADF (Bad file descriptor) [pid 5475] close(4) = -1 EBADF (Bad file descriptor) [pid 5475] close(5) = -1 EBADF (Bad file descriptor) [pid 5475] close(6) = -1 EBADF (Bad file descriptor) [pid 5475] close(7) = -1 EBADF (Bad file descriptor) [pid 5475] close(8) = -1 EBADF (Bad file descriptor) [pid 5475] close(9) = -1 EBADF (Bad file descriptor) [pid 5475] close(10) = -1 EBADF (Bad file descriptor) [pid 5475] close(11) = -1 EBADF (Bad file descriptor) [pid 5475] close(12) = -1 EBADF (Bad file descriptor) [pid 5475] close(13) = -1 EBADF (Bad file descriptor) [pid 5475] close(14) = -1 EBADF (Bad file descriptor) [pid 5475] close(15) = -1 EBADF (Bad file descriptor) [pid 5475] close(16) = -1 EBADF (Bad file descriptor) [pid 5475] close(17) = -1 EBADF (Bad file descriptor) [pid 5475] close(18) = -1 EBADF (Bad file descriptor) [pid 5475] close(19) = -1 EBADF (Bad file descriptor) [pid 5475] close(20) = -1 EBADF (Bad file descriptor) [pid 5475] close(21) = -1 EBADF (Bad file descriptor) [pid 5475] close(22) = -1 EBADF (Bad file descriptor) [pid 5475] close(23) = -1 EBADF (Bad file descriptor) [pid 5475] close(24) = -1 EBADF (Bad file descriptor) [pid 5475] close(25) = -1 EBADF (Bad file descriptor) [pid 5475] close(26) = -1 EBADF (Bad file descriptor) [pid 5475] close(27) = -1 EBADF (Bad file descriptor) [pid 5475] close(28) = -1 EBADF (Bad file descriptor) [pid 5475] close(29) = -1 EBADF (Bad file descriptor) [pid 5475] exit_group(0 [pid 5477] <... clone resumed>) = ? [pid 5476] <... futex resumed>) = ? [pid 5475] <... exit_group resumed>) = ? [pid 5477] +++ exited with 0 +++ [pid 5476] +++ exited with 0 +++ [pid 5475] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=390, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=68 /* 0.68 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 394 ./strace-static-x86_64: Process 5479 attached [pid 5479] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5479] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5479] setpgid(0, 0) = 0 [pid 5479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5479] write(3, "1000", 4) = 4 [pid 5479] close(3) = 0 [pid 5479] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5479] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5479] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5479] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[395], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 395 [pid 5479] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5479] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5480 attached [pid 5480] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5480] memfd_create("syzkaller", 0) = 3 [pid 5480] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5478] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=393, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5480] 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"..., 67108864) = 67108864 [pid 5480] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5480] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5480] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5480] ioctl(4, LOOP_CLR_FD) = 0 [pid 5480] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5480] close(4) = 0 [pid 5480] close(3) = 0 [pid 5480] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5479] <... futex resumed>) = 0 [pid 5479] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5479] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5480] <... futex resumed>) = 1 [pid 5480] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5479] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5479] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5479] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5479] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5479] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5479] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[396], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 396 [pid 5479] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5479] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5480] <... mmap resumed>) = 0x20000000 [pid 5480] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5480] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5481 attached [pid 5481] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5481] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5482 attached [pid 5482] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5479] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5479] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5479] close(3) = -1 EBADF (Bad file descriptor) [pid 5479] close(4) = -1 EBADF (Bad file descriptor) [pid 5479] close(5) = -1 EBADF (Bad file descriptor) [pid 5479] close(6) = -1 EBADF (Bad file descriptor) [pid 5479] close(7) = -1 EBADF (Bad file descriptor) [pid 5479] close(8) = -1 EBADF (Bad file descriptor) [pid 5479] close(9) = -1 EBADF (Bad file descriptor) [pid 5479] close(10) = -1 EBADF (Bad file descriptor) [pid 5479] close(11) = -1 EBADF (Bad file descriptor) [pid 5479] close(12) = -1 EBADF (Bad file descriptor) [pid 5479] close(13) = -1 EBADF (Bad file descriptor) [pid 5479] close(14) = -1 EBADF (Bad file descriptor) [pid 5479] close(15) = -1 EBADF (Bad file descriptor) [pid 5479] close(16) = -1 EBADF (Bad file descriptor) [pid 5479] close(17) = -1 EBADF (Bad file descriptor) [pid 5479] close(18) = -1 EBADF (Bad file descriptor) [pid 5479] close(19) = -1 EBADF (Bad file descriptor) [pid 5479] close(20) = -1 EBADF (Bad file descriptor) [pid 5479] close(21) = -1 EBADF (Bad file descriptor) [pid 5479] close(22) = -1 EBADF (Bad file descriptor) [pid 5479] close(23) = -1 EBADF (Bad file descriptor) [pid 5479] close(24) = -1 EBADF (Bad file descriptor) [pid 5479] close(25) = -1 EBADF (Bad file descriptor) [pid 5479] close(26) = -1 EBADF (Bad file descriptor) [pid 5479] close(27) = -1 EBADF (Bad file descriptor) [pid 5479] close(28) = -1 EBADF (Bad file descriptor) [pid 5479] close(29) = -1 EBADF (Bad file descriptor) [pid 5479] exit_group(0 [pid 5481] <... clone resumed>) = ? [pid 5480] <... futex resumed>) = ? [pid 5479] <... exit_group resumed>) = ? [pid 5481] +++ exited with 0 +++ [pid 5480] +++ exited with 0 +++ [pid 5479] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=394, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=72 /* 0.72 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 398 ./strace-static-x86_64: Process 5483 attached [pid 5483] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5483] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5483] setpgid(0, 0) = 0 [pid 5483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5483] write(3, "1000", 4) = 4 [pid 5483] close(3) = 0 [pid 5483] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5483] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5483] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5483] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[399], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 399 [pid 5483] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5483] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5484 attached [pid 5484] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5484] memfd_create("syzkaller", 0) = 3 [pid 5484] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5484] 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"..., 67108864 [pid 5482] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=397, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5484] <... write resumed>) = 67108864 [pid 5484] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5484] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5484] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5484] ioctl(4, LOOP_CLR_FD) = 0 [pid 5484] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5484] close(4) = 0 [pid 5484] close(3) = 0 [pid 5484] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5483] <... futex resumed>) = 0 [pid 5483] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5484] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5483] <... futex resumed>) = 0 [pid 5483] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5483] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5483] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5484] <... mmap resumed>) = 0x20000000 [pid 5483] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5483] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5483] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5484] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5483] <... clone resumed>, parent_tid=[400], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 400 [pid 5484] <... futex resumed>) = 0 [pid 5483] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5483] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5484] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5485 attached [pid 5485] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5485] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5486 attached [pid 5486] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5483] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5483] close(3) = -1 EBADF (Bad file descriptor) [pid 5483] close(4) = -1 EBADF (Bad file descriptor) [pid 5483] close(5) = -1 EBADF (Bad file descriptor) [pid 5483] close(6) = -1 EBADF (Bad file descriptor) [pid 5483] close(7) = -1 EBADF (Bad file descriptor) [pid 5483] close(8) = -1 EBADF (Bad file descriptor) [pid 5483] close(9) = -1 EBADF (Bad file descriptor) [pid 5483] close(10) = -1 EBADF (Bad file descriptor) [pid 5483] close(11) = -1 EBADF (Bad file descriptor) [pid 5483] close(12) = -1 EBADF (Bad file descriptor) [pid 5483] close(13) = -1 EBADF (Bad file descriptor) [pid 5483] close(14) = -1 EBADF (Bad file descriptor) [pid 5483] close(15) = -1 EBADF (Bad file descriptor) [pid 5483] close(16) = -1 EBADF (Bad file descriptor) [pid 5483] close(17) = -1 EBADF (Bad file descriptor) [pid 5483] close(18) = -1 EBADF (Bad file descriptor) [pid 5483] close(19) = -1 EBADF (Bad file descriptor) [pid 5483] close(20) = -1 EBADF (Bad file descriptor) [pid 5483] close(21) = -1 EBADF (Bad file descriptor) [pid 5483] close(22) = -1 EBADF (Bad file descriptor) [pid 5483] close(23) = -1 EBADF (Bad file descriptor) [pid 5483] close(24) = -1 EBADF (Bad file descriptor) [pid 5483] close(25) = -1 EBADF (Bad file descriptor) [pid 5483] close(26) = -1 EBADF (Bad file descriptor) [pid 5483] close(27) = -1 EBADF (Bad file descriptor) [pid 5483] close(28) = -1 EBADF (Bad file descriptor) [pid 5483] close(29) = -1 EBADF (Bad file descriptor) [pid 5483] exit_group(0 [pid 5485] <... clone resumed>) = ? [pid 5484] <... futex resumed>) = ? [pid 5483] <... exit_group resumed>) = ? [pid 5485] +++ exited with 0 +++ [pid 5484] +++ exited with 0 +++ [pid 5483] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=398, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=72 /* 0.72 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 402 ./strace-static-x86_64: Process 5487 attached [pid 5487] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5487] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5487] setpgid(0, 0) = 0 [pid 5487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5487] write(3, "1000", 4) = 4 [pid 5487] close(3) = 0 [pid 5487] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5487] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5487] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5487] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[403], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 403 [pid 5487] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5487] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5488 attached [pid 5488] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5488] memfd_create("syzkaller", 0) = 3 [pid 5488] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5486] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=401, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5488] 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"..., 67108864) = 67108864 [pid 5488] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5488] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5488] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5488] ioctl(4, LOOP_CLR_FD) = 0 [pid 5488] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5488] close(4) = 0 [pid 5488] close(3) = 0 [pid 5488] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5487] <... futex resumed>) = 0 [pid 5487] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5487] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5488] <... futex resumed>) = 1 [pid 5488] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5487] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5487] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5487] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5487] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5487] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[404], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 404 [pid 5487] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5487] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5488] <... mmap resumed>) = 0x20000000 [pid 5488] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5488] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5489 attached [pid 5489] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5489] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5490 attached [pid 5490] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5487] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5487] close(3) = -1 EBADF (Bad file descriptor) [pid 5487] close(4) = -1 EBADF (Bad file descriptor) [pid 5487] close(5) = -1 EBADF (Bad file descriptor) [pid 5487] close(6) = -1 EBADF (Bad file descriptor) [pid 5487] close(7) = -1 EBADF (Bad file descriptor) [pid 5487] close(8) = -1 EBADF (Bad file descriptor) [pid 5487] close(9) = -1 EBADF (Bad file descriptor) [pid 5487] close(10) = -1 EBADF (Bad file descriptor) [pid 5487] close(11) = -1 EBADF (Bad file descriptor) [pid 5487] close(12) = -1 EBADF (Bad file descriptor) [pid 5487] close(13) = -1 EBADF (Bad file descriptor) [pid 5487] close(14) = -1 EBADF (Bad file descriptor) [pid 5487] close(15) = -1 EBADF (Bad file descriptor) [pid 5487] close(16) = -1 EBADF (Bad file descriptor) [pid 5487] close(17) = -1 EBADF (Bad file descriptor) [pid 5487] close(18) = -1 EBADF (Bad file descriptor) [pid 5487] close(19) = -1 EBADF (Bad file descriptor) [pid 5487] close(20) = -1 EBADF (Bad file descriptor) [pid 5487] close(21) = -1 EBADF (Bad file descriptor) [pid 5487] close(22) = -1 EBADF (Bad file descriptor) [pid 5487] close(23) = -1 EBADF (Bad file descriptor) [pid 5487] close(24) = -1 EBADF (Bad file descriptor) [pid 5487] close(25) = -1 EBADF (Bad file descriptor) [pid 5487] close(26) = -1 EBADF (Bad file descriptor) [pid 5487] close(27) = -1 EBADF (Bad file descriptor) [pid 5487] close(28) = -1 EBADF (Bad file descriptor) [pid 5487] close(29) = -1 EBADF (Bad file descriptor) [pid 5487] exit_group(0 [pid 5489] <... clone resumed>) = ? [pid 5488] <... futex resumed>) = ? [pid 5487] <... exit_group resumed>) = ? [pid 5489] +++ exited with 0 +++ [pid 5488] +++ exited with 0 +++ [pid 5487] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=402, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=73 /* 0.73 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 406 ./strace-static-x86_64: Process 5491 attached [pid 5491] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5491] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5491] setpgid(0, 0) = 0 [pid 5491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5491] write(3, "1000", 4) = 4 [pid 5491] close(3) = 0 [pid 5491] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5491] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5491] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5491] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[407], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 407 [pid 5491] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5491] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5492 attached [pid 5492] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5492] memfd_create("syzkaller", 0) = 3 [pid 5492] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5492] 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"..., 67108864 [pid 5490] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=405, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=33 /* 0.33 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5492] <... write resumed>) = 67108864 [pid 5492] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5492] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5492] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5492] ioctl(4, LOOP_CLR_FD) = 0 [pid 5492] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5492] close(4) = 0 [pid 5492] close(3) = 0 [pid 5492] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5491] <... futex resumed>) = 0 [pid 5491] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5491] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5492] <... futex resumed>) = 1 [pid 5492] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5491] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5491] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5491] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5491] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5491] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[408], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 408 [pid 5491] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5491] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5492] <... mmap resumed>) = 0x20000000 [pid 5492] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5492] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5493 attached [pid 5493] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5493] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5494 attached [pid 5494] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5491] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5491] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5491] close(3) = -1 EBADF (Bad file descriptor) [pid 5491] close(4) = -1 EBADF (Bad file descriptor) [pid 5491] close(5) = -1 EBADF (Bad file descriptor) [pid 5491] close(6) = -1 EBADF (Bad file descriptor) [pid 5491] close(7) = -1 EBADF (Bad file descriptor) [pid 5491] close(8) = -1 EBADF (Bad file descriptor) [pid 5491] close(9) = -1 EBADF (Bad file descriptor) [pid 5491] close(10) = -1 EBADF (Bad file descriptor) [pid 5491] close(11) = -1 EBADF (Bad file descriptor) [pid 5491] close(12) = -1 EBADF (Bad file descriptor) [pid 5491] close(13) = -1 EBADF (Bad file descriptor) [pid 5491] close(14) = -1 EBADF (Bad file descriptor) [pid 5491] close(15) = -1 EBADF (Bad file descriptor) [pid 5491] close(16) = -1 EBADF (Bad file descriptor) [pid 5491] close(17) = -1 EBADF (Bad file descriptor) [pid 5491] close(18) = -1 EBADF (Bad file descriptor) [pid 5491] close(19) = -1 EBADF (Bad file descriptor) [pid 5491] close(20) = -1 EBADF (Bad file descriptor) [pid 5491] close(21) = -1 EBADF (Bad file descriptor) [pid 5491] close(22) = -1 EBADF (Bad file descriptor) [pid 5491] close(23) = -1 EBADF (Bad file descriptor) [pid 5491] close(24) = -1 EBADF (Bad file descriptor) [pid 5491] close(25) = -1 EBADF (Bad file descriptor) [pid 5491] close(26) = -1 EBADF (Bad file descriptor) [pid 5491] close(27) = -1 EBADF (Bad file descriptor) [pid 5491] close(28) = -1 EBADF (Bad file descriptor) [pid 5491] close(29) = -1 EBADF (Bad file descriptor) [pid 5491] exit_group(0 [pid 5493] <... clone resumed>) = ? [pid 5492] <... futex resumed>) = ? [pid 5491] <... exit_group resumed>) = ? [pid 5493] +++ exited with 0 +++ [pid 5492] +++ exited with 0 +++ [pid 5491] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=406, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=66 /* 0.66 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 410 ./strace-static-x86_64: Process 5495 attached [pid 5495] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5495] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5495] setpgid(0, 0) = 0 [pid 5495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5495] write(3, "1000", 4) = 4 [pid 5495] close(3) = 0 [pid 5495] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5495] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5495] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5495] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[411], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 411 [pid 5495] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5495] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5496 attached [pid 5496] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5496] memfd_create("syzkaller", 0) = 3 [pid 5496] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5494] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=409, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5496] 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"..., 67108864) = 67108864 [pid 5496] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5496] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5496] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5496] ioctl(4, LOOP_CLR_FD) = 0 [pid 5496] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5496] close(4) = 0 [pid 5496] close(3) = 0 [pid 5496] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5495] <... futex resumed>) = 0 [pid 5495] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5495] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5496] <... futex resumed>) = 1 [pid 5496] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5495] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5495] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5495] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5495] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5495] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5495] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[412], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 412 [pid 5495] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5495] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5496] <... mmap resumed>) = 0x20000000 [pid 5496] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5496] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5497 attached [pid 5497] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5497] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5498 attached [pid 5498] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5495] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5495] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5495] close(3) = -1 EBADF (Bad file descriptor) [pid 5495] close(4) = -1 EBADF (Bad file descriptor) [pid 5495] close(5) = -1 EBADF (Bad file descriptor) [pid 5495] close(6) = -1 EBADF (Bad file descriptor) [pid 5495] close(7) = -1 EBADF (Bad file descriptor) [pid 5495] close(8) = -1 EBADF (Bad file descriptor) [pid 5495] close(9) = -1 EBADF (Bad file descriptor) [pid 5495] close(10) = -1 EBADF (Bad file descriptor) [pid 5495] close(11) = -1 EBADF (Bad file descriptor) [pid 5495] close(12) = -1 EBADF (Bad file descriptor) [pid 5495] close(13) = -1 EBADF (Bad file descriptor) [pid 5495] close(14) = -1 EBADF (Bad file descriptor) [pid 5495] close(15) = -1 EBADF (Bad file descriptor) [pid 5495] close(16) = -1 EBADF (Bad file descriptor) [pid 5495] close(17) = -1 EBADF (Bad file descriptor) [pid 5495] close(18) = -1 EBADF (Bad file descriptor) [pid 5495] close(19) = -1 EBADF (Bad file descriptor) [pid 5495] close(20) = -1 EBADF (Bad file descriptor) [pid 5495] close(21) = -1 EBADF (Bad file descriptor) [pid 5495] close(22) = -1 EBADF (Bad file descriptor) [pid 5495] close(23) = -1 EBADF (Bad file descriptor) [pid 5495] close(24) = -1 EBADF (Bad file descriptor) [pid 5495] close(25) = -1 EBADF (Bad file descriptor) [pid 5495] close(26) = -1 EBADF (Bad file descriptor) [pid 5495] close(27) = -1 EBADF (Bad file descriptor) [pid 5495] close(28) = -1 EBADF (Bad file descriptor) [pid 5495] close(29) = -1 EBADF (Bad file descriptor) [pid 5495] exit_group(0 [pid 5497] <... clone resumed>) = ? [pid 5496] <... futex resumed>) = ? [pid 5495] <... exit_group resumed>) = ? [pid 5497] +++ exited with 0 +++ [pid 5496] +++ exited with 0 +++ [pid 5495] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=410, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=75 /* 0.75 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 414 ./strace-static-x86_64: Process 5499 attached [pid 5499] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5499] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5499] setpgid(0, 0) = 0 [pid 5499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5499] write(3, "1000", 4) = 4 [pid 5499] close(3) = 0 [pid 5499] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5499] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5499] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5499] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[415], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 415 [pid 5499] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5499] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5500 attached [pid 5500] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5500] memfd_create("syzkaller", 0) = 3 [pid 5500] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5498] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=413, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5500] 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"..., 67108864) = 67108864 [pid 5500] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5500] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5500] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5500] ioctl(4, LOOP_CLR_FD) = 0 [pid 5500] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5500] close(4) = 0 [pid 5500] close(3) = 0 [pid 5500] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5499] <... futex resumed>) = 0 [pid 5499] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5499] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5500] <... futex resumed>) = 1 [pid 5500] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5499] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5499] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5499] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5499] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5499] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[416], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 416 [pid 5499] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5499] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5500] <... mmap resumed>) = 0x20000000 [pid 5500] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5500] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5501 attached [pid 5501] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5501] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5502 attached [pid 5502] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5499] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5499] close(3) = -1 EBADF (Bad file descriptor) [pid 5499] close(4) = -1 EBADF (Bad file descriptor) [pid 5499] close(5) = -1 EBADF (Bad file descriptor) [pid 5499] close(6) = -1 EBADF (Bad file descriptor) [pid 5499] close(7) = -1 EBADF (Bad file descriptor) [pid 5499] close(8) = -1 EBADF (Bad file descriptor) [pid 5499] close(9) = -1 EBADF (Bad file descriptor) [pid 5499] close(10) = -1 EBADF (Bad file descriptor) [pid 5499] close(11) = -1 EBADF (Bad file descriptor) [pid 5499] close(12) = -1 EBADF (Bad file descriptor) [pid 5499] close(13) = -1 EBADF (Bad file descriptor) [pid 5499] close(14) = -1 EBADF (Bad file descriptor) [pid 5499] close(15) = -1 EBADF (Bad file descriptor) [pid 5499] close(16) = -1 EBADF (Bad file descriptor) [pid 5499] close(17) = -1 EBADF (Bad file descriptor) [pid 5499] close(18) = -1 EBADF (Bad file descriptor) [pid 5499] close(19) = -1 EBADF (Bad file descriptor) [pid 5499] close(20) = -1 EBADF (Bad file descriptor) [pid 5499] close(21) = -1 EBADF (Bad file descriptor) [pid 5499] close(22) = -1 EBADF (Bad file descriptor) [pid 5499] close(23) = -1 EBADF (Bad file descriptor) [pid 5499] close(24) = -1 EBADF (Bad file descriptor) [pid 5499] close(25) = -1 EBADF (Bad file descriptor) [pid 5499] close(26) = -1 EBADF (Bad file descriptor) [pid 5499] close(27) = -1 EBADF (Bad file descriptor) [pid 5499] close(28) = -1 EBADF (Bad file descriptor) [pid 5499] close(29) = -1 EBADF (Bad file descriptor) [pid 5499] exit_group(0 [pid 5501] <... clone resumed>) = ? [pid 5500] <... futex resumed>) = ? [pid 5499] <... exit_group resumed>) = ? [pid 5501] +++ exited with 0 +++ [pid 5500] +++ exited with 0 +++ [pid 5499] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=414, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=68 /* 0.68 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 418 ./strace-static-x86_64: Process 5503 attached [pid 5503] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5503] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5503] setpgid(0, 0) = 0 [pid 5503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5503] write(3, "1000", 4) = 4 [pid 5503] close(3) = 0 [pid 5503] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5503] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5503] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5503] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[419], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 419 [pid 5503] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5503] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5504 attached [pid 5504] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5504] memfd_create("syzkaller", 0) = 3 [pid 5504] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5502] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=417, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5504] 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"..., 67108864) = 67108864 [pid 5504] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5504] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5504] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5504] ioctl(4, LOOP_CLR_FD) = 0 [pid 5504] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5504] close(4) = 0 [pid 5504] close(3) = 0 [pid 5504] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5503] <... futex resumed>) = 0 [pid 5503] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5503] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5504] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5503] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5503] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5503] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5504] <... mmap resumed>) = 0x20000000 [pid 5503] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5503] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5504] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5503] <... mprotect resumed>) = 0 [pid 5503] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5504] <... futex resumed>) = 0 [pid 5503] <... clone resumed>, parent_tid=[420], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 420 [pid 5503] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5504] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5503] <... futex resumed>) = 0 [pid 5503] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5505 attached [pid 5505] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5505] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5506 attached [pid 5506] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5503] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5503] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5503] close(3) = -1 EBADF (Bad file descriptor) [pid 5503] close(4) = -1 EBADF (Bad file descriptor) [pid 5503] close(5) = -1 EBADF (Bad file descriptor) [pid 5503] close(6) = -1 EBADF (Bad file descriptor) [pid 5503] close(7) = -1 EBADF (Bad file descriptor) [pid 5503] close(8) = -1 EBADF (Bad file descriptor) [pid 5503] close(9) = -1 EBADF (Bad file descriptor) [pid 5503] close(10) = -1 EBADF (Bad file descriptor) [pid 5503] close(11) = -1 EBADF (Bad file descriptor) [pid 5503] close(12) = -1 EBADF (Bad file descriptor) [pid 5503] close(13) = -1 EBADF (Bad file descriptor) [pid 5503] close(14) = -1 EBADF (Bad file descriptor) [pid 5503] close(15) = -1 EBADF (Bad file descriptor) [pid 5503] close(16) = -1 EBADF (Bad file descriptor) [pid 5503] close(17) = -1 EBADF (Bad file descriptor) [pid 5503] close(18) = -1 EBADF (Bad file descriptor) [pid 5503] close(19) = -1 EBADF (Bad file descriptor) [pid 5503] close(20) = -1 EBADF (Bad file descriptor) [pid 5503] close(21) = -1 EBADF (Bad file descriptor) [pid 5503] close(22) = -1 EBADF (Bad file descriptor) [pid 5503] close(23) = -1 EBADF (Bad file descriptor) [pid 5503] close(24) = -1 EBADF (Bad file descriptor) [pid 5503] close(25) = -1 EBADF (Bad file descriptor) [pid 5503] close(26) = -1 EBADF (Bad file descriptor) [pid 5503] close(27) = -1 EBADF (Bad file descriptor) [pid 5503] close(28) = -1 EBADF (Bad file descriptor) [pid 5503] close(29) = -1 EBADF (Bad file descriptor) [pid 5503] exit_group(0 [pid 5505] <... clone resumed>) = ? [pid 5504] <... futex resumed>) = ? [pid 5503] <... exit_group resumed>) = ? [pid 5505] +++ exited with 0 +++ [pid 5504] +++ exited with 0 +++ [pid 5503] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=418, si_uid=0, si_status=0, si_utime=21 /* 0.21 s */, si_stime=67 /* 0.67 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 422 ./strace-static-x86_64: Process 5507 attached [pid 5507] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5507] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5507] setpgid(0, 0) = 0 [pid 5507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5507] write(3, "1000", 4) = 4 [pid 5507] close(3) = 0 [pid 5507] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5507] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5507] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5507] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[423], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 423 [pid 5507] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5507] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5508 attached [pid 5508] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5508] memfd_create("syzkaller", 0) = 3 [pid 5508] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5508] 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"..., 67108864 [pid 5506] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=421, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5508] <... write resumed>) = 67108864 [pid 5508] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5508] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5508] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5508] ioctl(4, LOOP_CLR_FD) = 0 [pid 5508] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5508] close(4) = 0 [pid 5508] close(3) = 0 [pid 5508] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5507] <... futex resumed>) = 0 [pid 5507] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5507] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5508] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5507] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5507] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5507] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5508] <... mmap resumed>) = 0x20000000 [pid 5507] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5507] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5508] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5507] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5508] <... futex resumed>) = 0 [pid 5507] <... clone resumed>, parent_tid=[424], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 424 [pid 5507] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5507] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5508] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5509 attached [pid 5509] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5509] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5510 attached [pid 5510] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5507] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5507] close(3) = -1 EBADF (Bad file descriptor) [pid 5507] close(4) = -1 EBADF (Bad file descriptor) [pid 5507] close(5) = -1 EBADF (Bad file descriptor) [pid 5507] close(6) = -1 EBADF (Bad file descriptor) [pid 5507] close(7) = -1 EBADF (Bad file descriptor) [pid 5507] close(8) = -1 EBADF (Bad file descriptor) [pid 5507] close(9) = -1 EBADF (Bad file descriptor) [pid 5507] close(10) = -1 EBADF (Bad file descriptor) [pid 5507] close(11) = -1 EBADF (Bad file descriptor) [pid 5507] close(12) = -1 EBADF (Bad file descriptor) [pid 5507] close(13) = -1 EBADF (Bad file descriptor) [pid 5507] close(14) = -1 EBADF (Bad file descriptor) [pid 5507] close(15) = -1 EBADF (Bad file descriptor) [pid 5507] close(16) = -1 EBADF (Bad file descriptor) [pid 5507] close(17) = -1 EBADF (Bad file descriptor) [pid 5507] close(18) = -1 EBADF (Bad file descriptor) [pid 5507] close(19) = -1 EBADF (Bad file descriptor) [pid 5507] close(20) = -1 EBADF (Bad file descriptor) [pid 5507] close(21) = -1 EBADF (Bad file descriptor) [pid 5507] close(22) = -1 EBADF (Bad file descriptor) [pid 5507] close(23) = -1 EBADF (Bad file descriptor) [pid 5507] close(24) = -1 EBADF (Bad file descriptor) [pid 5507] close(25) = -1 EBADF (Bad file descriptor) [pid 5507] close(26) = -1 EBADF (Bad file descriptor) [pid 5507] close(27) = -1 EBADF (Bad file descriptor) [pid 5507] close(28) = -1 EBADF (Bad file descriptor) [pid 5507] close(29) = -1 EBADF (Bad file descriptor) [pid 5507] exit_group(0 [pid 5509] <... clone resumed>) = ? [pid 5508] <... futex resumed>) = ? [pid 5507] <... exit_group resumed>) = ? [pid 5509] +++ exited with 0 +++ [pid 5508] +++ exited with 0 +++ [pid 5507] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=422, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=76 /* 0.76 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 426 ./strace-static-x86_64: Process 5511 attached [pid 5511] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5511] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5511] setpgid(0, 0) = 0 [pid 5511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5511] write(3, "1000", 4) = 4 [pid 5511] close(3) = 0 [pid 5511] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5511] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5511] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5511] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[427], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 427 [pid 5511] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5511] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5512 attached [pid 5512] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5512] memfd_create("syzkaller", 0) = 3 [pid 5512] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5512] 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"..., 67108864 [pid 5510] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=425, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=42 /* 0.42 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5512] <... write resumed>) = 67108864 [pid 5512] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5512] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5512] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5512] ioctl(4, LOOP_CLR_FD) = 0 [pid 5512] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5512] close(4) = 0 [pid 5512] close(3) = 0 [pid 5512] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5511] <... futex resumed>) = 0 [pid 5511] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5511] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5512] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5511] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5511] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5511] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5511] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5512] <... mmap resumed>) = 0x20000000 [pid 5511] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5511] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5511] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5512] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5511] <... clone resumed>, parent_tid=[428], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 428 [pid 5511] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5511] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5512] <... futex resumed>) = 0 [pid 5512] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5513 attached [pid 5513] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5513] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5514 attached [pid 5514] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5511] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5511] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5511] close(3) = -1 EBADF (Bad file descriptor) [pid 5511] close(4) = -1 EBADF (Bad file descriptor) [pid 5511] close(5) = -1 EBADF (Bad file descriptor) [pid 5511] close(6) = -1 EBADF (Bad file descriptor) [pid 5511] close(7) = -1 EBADF (Bad file descriptor) [pid 5511] close(8) = -1 EBADF (Bad file descriptor) [pid 5511] close(9) = -1 EBADF (Bad file descriptor) [pid 5511] close(10) = -1 EBADF (Bad file descriptor) [pid 5511] close(11) = -1 EBADF (Bad file descriptor) [pid 5511] close(12) = -1 EBADF (Bad file descriptor) [pid 5511] close(13) = -1 EBADF (Bad file descriptor) [pid 5511] close(14) = -1 EBADF (Bad file descriptor) [pid 5511] close(15) = -1 EBADF (Bad file descriptor) [pid 5511] close(16) = -1 EBADF (Bad file descriptor) [pid 5511] close(17) = -1 EBADF (Bad file descriptor) [pid 5511] close(18) = -1 EBADF (Bad file descriptor) [pid 5511] close(19) = -1 EBADF (Bad file descriptor) [pid 5511] close(20) = -1 EBADF (Bad file descriptor) [pid 5511] close(21) = -1 EBADF (Bad file descriptor) [pid 5511] close(22) = -1 EBADF (Bad file descriptor) [pid 5511] close(23) = -1 EBADF (Bad file descriptor) [pid 5511] close(24) = -1 EBADF (Bad file descriptor) [pid 5511] close(25) = -1 EBADF (Bad file descriptor) [pid 5511] close(26) = -1 EBADF (Bad file descriptor) [pid 5511] close(27) = -1 EBADF (Bad file descriptor) [pid 5511] close(28) = -1 EBADF (Bad file descriptor) [pid 5511] close(29) = -1 EBADF (Bad file descriptor) [pid 5511] exit_group(0 [pid 5513] <... clone resumed>) = ? [pid 5512] <... futex resumed>) = ? [pid 5511] <... exit_group resumed>) = ? [pid 5513] +++ exited with 0 +++ [pid 5512] +++ exited with 0 +++ [pid 5511] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=426, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=73 /* 0.73 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 430 ./strace-static-x86_64: Process 5515 attached [pid 5515] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5515] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5515] setpgid(0, 0) = 0 [pid 5515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5515] write(3, "1000", 4) = 4 [pid 5515] close(3) = 0 [pid 5515] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5515] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5515] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5515] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[431], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 431 [pid 5515] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5515] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5516 attached [pid 5516] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5516] memfd_create("syzkaller", 0) = 3 [pid 5516] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5516] 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"..., 67108864 [pid 5514] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=429, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5516] <... write resumed>) = 67108864 [pid 5516] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5516] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5516] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5516] ioctl(4, LOOP_CLR_FD) = 0 [pid 5516] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5516] close(4) = 0 [pid 5516] close(3) = 0 [pid 5516] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5515] <... futex resumed>) = 0 [pid 5515] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5515] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5516] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5515] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5515] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5515] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5515] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5516] <... mmap resumed>) = 0x20000000 [pid 5515] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5515] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5516] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5515] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5516] <... futex resumed>) = 0 [pid 5515] <... clone resumed>, parent_tid=[432], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 432 [pid 5515] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5515] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5516] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5517 attached [pid 5517] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5517] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5518 attached [pid 5518] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5515] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5515] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5515] close(3) = -1 EBADF (Bad file descriptor) [pid 5515] close(4) = -1 EBADF (Bad file descriptor) [pid 5515] close(5) = -1 EBADF (Bad file descriptor) [pid 5515] close(6) = -1 EBADF (Bad file descriptor) [pid 5515] close(7) = -1 EBADF (Bad file descriptor) [pid 5515] close(8) = -1 EBADF (Bad file descriptor) [pid 5515] close(9) = -1 EBADF (Bad file descriptor) [pid 5515] close(10) = -1 EBADF (Bad file descriptor) [pid 5515] close(11) = -1 EBADF (Bad file descriptor) [pid 5515] close(12) = -1 EBADF (Bad file descriptor) [pid 5515] close(13) = -1 EBADF (Bad file descriptor) [pid 5515] close(14) = -1 EBADF (Bad file descriptor) [pid 5515] close(15) = -1 EBADF (Bad file descriptor) [pid 5515] close(16) = -1 EBADF (Bad file descriptor) [pid 5515] close(17) = -1 EBADF (Bad file descriptor) [pid 5515] close(18) = -1 EBADF (Bad file descriptor) [pid 5515] close(19) = -1 EBADF (Bad file descriptor) [pid 5515] close(20) = -1 EBADF (Bad file descriptor) [pid 5515] close(21) = -1 EBADF (Bad file descriptor) [pid 5515] close(22) = -1 EBADF (Bad file descriptor) [pid 5515] close(23) = -1 EBADF (Bad file descriptor) [pid 5515] close(24) = -1 EBADF (Bad file descriptor) [pid 5515] close(25) = -1 EBADF (Bad file descriptor) [pid 5515] close(26) = -1 EBADF (Bad file descriptor) [pid 5515] close(27) = -1 EBADF (Bad file descriptor) [pid 5515] close(28) = -1 EBADF (Bad file descriptor) [pid 5515] close(29) = -1 EBADF (Bad file descriptor) [pid 5515] exit_group(0 [pid 5517] <... clone resumed>) = ? [pid 5516] <... futex resumed>) = ? [pid 5515] <... exit_group resumed>) = ? [pid 5517] +++ exited with 0 +++ [pid 5516] +++ exited with 0 +++ [pid 5515] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=430, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=71 /* 0.71 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 434 ./strace-static-x86_64: Process 5519 attached [pid 5519] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5519] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5519] setpgid(0, 0) = 0 [pid 5519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5519] write(3, "1000", 4) = 4 [pid 5519] close(3) = 0 [pid 5519] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5519] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5519] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5519] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[435], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 435 [pid 5519] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5519] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5520 attached [pid 5520] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5520] memfd_create("syzkaller", 0) = 3 [pid 5520] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5518] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=433, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5520] 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"..., 67108864) = 67108864 [pid 5520] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5520] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5520] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5520] ioctl(4, LOOP_CLR_FD) = 0 [pid 5520] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5520] close(4) = 0 [pid 5520] close(3) = 0 [pid 5520] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5519] <... futex resumed>) = 0 [pid 5519] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5519] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5520] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5519] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5519] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5519] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5519] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5520] <... mmap resumed>) = 0x20000000 [pid 5519] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5519] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5519] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5520] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5519] <... clone resumed>, parent_tid=[436], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 436 [pid 5519] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5519] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5520] <... futex resumed>) = 0 [pid 5520] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5521 attached [pid 5521] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5521] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5522 attached [pid 5522] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5519] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5519] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5519] close(3) = -1 EBADF (Bad file descriptor) [pid 5519] close(4) = -1 EBADF (Bad file descriptor) [pid 5519] close(5) = -1 EBADF (Bad file descriptor) [pid 5519] close(6) = -1 EBADF (Bad file descriptor) [pid 5519] close(7) = -1 EBADF (Bad file descriptor) [pid 5519] close(8) = -1 EBADF (Bad file descriptor) [pid 5519] close(9) = -1 EBADF (Bad file descriptor) [pid 5519] close(10) = -1 EBADF (Bad file descriptor) [pid 5519] close(11) = -1 EBADF (Bad file descriptor) [pid 5519] close(12) = -1 EBADF (Bad file descriptor) [pid 5519] close(13) = -1 EBADF (Bad file descriptor) [pid 5519] close(14) = -1 EBADF (Bad file descriptor) [pid 5519] close(15) = -1 EBADF (Bad file descriptor) [pid 5519] close(16) = -1 EBADF (Bad file descriptor) [pid 5519] close(17) = -1 EBADF (Bad file descriptor) [pid 5519] close(18) = -1 EBADF (Bad file descriptor) [pid 5519] close(19) = -1 EBADF (Bad file descriptor) [pid 5519] close(20) = -1 EBADF (Bad file descriptor) [pid 5519] close(21) = -1 EBADF (Bad file descriptor) [pid 5519] close(22) = -1 EBADF (Bad file descriptor) [pid 5519] close(23) = -1 EBADF (Bad file descriptor) [pid 5519] close(24) = -1 EBADF (Bad file descriptor) [pid 5519] close(25) = -1 EBADF (Bad file descriptor) [pid 5519] close(26) = -1 EBADF (Bad file descriptor) [pid 5519] close(27) = -1 EBADF (Bad file descriptor) [pid 5519] close(28) = -1 EBADF (Bad file descriptor) [pid 5519] close(29) = -1 EBADF (Bad file descriptor) [pid 5519] exit_group(0 [pid 5521] <... clone resumed>) = ? [pid 5520] <... futex resumed>) = ? [pid 5519] <... exit_group resumed>) = ? [pid 5521] +++ exited with 0 +++ [pid 5520] +++ exited with 0 +++ [pid 5519] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=434, si_uid=0, si_status=0, si_utime=18 /* 0.18 s */, si_stime=68 /* 0.68 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 438 ./strace-static-x86_64: Process 5523 attached [pid 5523] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5523] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5523] setpgid(0, 0) = 0 [pid 5523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5523] write(3, "1000", 4) = 4 [pid 5523] close(3) = 0 [pid 5523] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5523] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5523] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5523] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[439], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 439 [pid 5523] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5523] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5524 attached [pid 5524] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5524] memfd_create("syzkaller", 0) = 3 [pid 5524] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5522] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=437, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5524] 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"..., 67108864) = 67108864 [pid 5524] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5524] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5524] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5524] ioctl(4, LOOP_CLR_FD) = 0 [pid 5524] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5524] close(4) = 0 [pid 5524] close(3) = 0 [pid 5524] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5523] <... futex resumed>) = 0 [pid 5523] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5523] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5524] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5523] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5523] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5523] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5523] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5524] <... mmap resumed>) = 0x20000000 [pid 5523] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5523] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5524] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5523] <... mprotect resumed>) = 0 [pid 5523] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5524] <... futex resumed>) = 0 [pid 5524] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5523] <... clone resumed>, parent_tid=[440], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 440 [pid 5523] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5525 attached ) = 0 [pid 5523] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5525] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5525] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5526 attached [pid 5526] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5523] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5523] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5523] close(3) = -1 EBADF (Bad file descriptor) [pid 5523] close(4) = -1 EBADF (Bad file descriptor) [pid 5523] close(5) = -1 EBADF (Bad file descriptor) [pid 5523] close(6) = -1 EBADF (Bad file descriptor) [pid 5523] close(7) = -1 EBADF (Bad file descriptor) [pid 5523] close(8) = -1 EBADF (Bad file descriptor) [pid 5523] close(9) = -1 EBADF (Bad file descriptor) [pid 5523] close(10) = -1 EBADF (Bad file descriptor) [pid 5523] close(11) = -1 EBADF (Bad file descriptor) [pid 5523] close(12) = -1 EBADF (Bad file descriptor) [pid 5523] close(13) = -1 EBADF (Bad file descriptor) [pid 5523] close(14) = -1 EBADF (Bad file descriptor) [pid 5523] close(15) = -1 EBADF (Bad file descriptor) [pid 5523] close(16) = -1 EBADF (Bad file descriptor) [pid 5523] close(17) = -1 EBADF (Bad file descriptor) [pid 5523] close(18) = -1 EBADF (Bad file descriptor) [pid 5523] close(19) = -1 EBADF (Bad file descriptor) [pid 5523] close(20) = -1 EBADF (Bad file descriptor) [pid 5523] close(21) = -1 EBADF (Bad file descriptor) [pid 5523] close(22) = -1 EBADF (Bad file descriptor) [pid 5523] close(23) = -1 EBADF (Bad file descriptor) [pid 5523] close(24) = -1 EBADF (Bad file descriptor) [pid 5523] close(25) = -1 EBADF (Bad file descriptor) [pid 5523] close(26) = -1 EBADF (Bad file descriptor) [pid 5523] close(27) = -1 EBADF (Bad file descriptor) [pid 5523] close(28) = -1 EBADF (Bad file descriptor) [pid 5523] close(29) = -1 EBADF (Bad file descriptor) [pid 5523] exit_group(0 [pid 5525] <... clone resumed>) = ? [pid 5524] <... futex resumed>) = ? [pid 5523] <... exit_group resumed>) = ? [pid 5525] +++ exited with 0 +++ [pid 5524] +++ exited with 0 +++ [pid 5523] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=438, si_uid=0, si_status=0, si_utime=18 /* 0.18 s */, si_stime=69 /* 0.69 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 442 ./strace-static-x86_64: Process 5527 attached [pid 5527] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5527] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5527] setpgid(0, 0) = 0 [pid 5527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5527] write(3, "1000", 4) = 4 [pid 5527] close(3) = 0 [pid 5527] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5527] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5527] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5527] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[443], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 443 [pid 5527] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5527] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5528 attached [pid 5528] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5528] memfd_create("syzkaller", 0) = 3 [pid 5528] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5526] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=441, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5528] 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"..., 67108864) = 67108864 [pid 5528] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5528] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5528] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5528] ioctl(4, LOOP_CLR_FD) = 0 [pid 5528] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5528] close(4) = 0 [pid 5528] close(3) = 0 [pid 5528] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5527] <... futex resumed>) = 0 [pid 5527] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5527] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5528] <... futex resumed>) = 1 [pid 5528] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5527] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5527] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5527] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5527] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5527] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[444], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 444 [pid 5527] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5527] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5528] <... mmap resumed>) = 0x20000000 [pid 5528] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5528] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5529 attached [pid 5529] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5529] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5530 attached [pid 5530] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5527] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5527] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5527] close(3) = -1 EBADF (Bad file descriptor) [pid 5527] close(4) = -1 EBADF (Bad file descriptor) [pid 5527] close(5) = -1 EBADF (Bad file descriptor) [pid 5527] close(6) = -1 EBADF (Bad file descriptor) [pid 5527] close(7) = -1 EBADF (Bad file descriptor) [pid 5527] close(8) = -1 EBADF (Bad file descriptor) [pid 5527] close(9) = -1 EBADF (Bad file descriptor) [pid 5527] close(10) = -1 EBADF (Bad file descriptor) [pid 5527] close(11) = -1 EBADF (Bad file descriptor) [pid 5527] close(12) = -1 EBADF (Bad file descriptor) [pid 5527] close(13) = -1 EBADF (Bad file descriptor) [pid 5527] close(14) = -1 EBADF (Bad file descriptor) [pid 5527] close(15) = -1 EBADF (Bad file descriptor) [pid 5527] close(16) = -1 EBADF (Bad file descriptor) [pid 5527] close(17) = -1 EBADF (Bad file descriptor) [pid 5527] close(18) = -1 EBADF (Bad file descriptor) [pid 5527] close(19) = -1 EBADF (Bad file descriptor) [pid 5527] close(20) = -1 EBADF (Bad file descriptor) [pid 5527] close(21) = -1 EBADF (Bad file descriptor) [pid 5527] close(22) = -1 EBADF (Bad file descriptor) [pid 5527] close(23) = -1 EBADF (Bad file descriptor) [pid 5527] close(24) = -1 EBADF (Bad file descriptor) [pid 5527] close(25) = -1 EBADF (Bad file descriptor) [pid 5527] close(26) = -1 EBADF (Bad file descriptor) [pid 5527] close(27) = -1 EBADF (Bad file descriptor) [pid 5527] close(28) = -1 EBADF (Bad file descriptor) [pid 5527] close(29) = -1 EBADF (Bad file descriptor) [pid 5527] exit_group(0 [pid 5529] <... clone resumed>) = ? [pid 5528] <... futex resumed>) = ? [pid 5527] <... exit_group resumed>) = ? [pid 5529] +++ exited with 0 +++ [pid 5528] +++ exited with 0 +++ [pid 5527] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=442, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=68 /* 0.68 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 446 ./strace-static-x86_64: Process 5531 attached [pid 5531] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5531] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5531] setpgid(0, 0) = 0 [pid 5531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5531] write(3, "1000", 4) = 4 [pid 5531] close(3) = 0 [pid 5531] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5531] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5531] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5531] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[447], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 447 [pid 5531] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5531] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5532 attached [pid 5532] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5532] memfd_create("syzkaller", 0) = 3 [pid 5532] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5530] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=445, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5532] 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"..., 67108864) = 67108864 [pid 5532] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5532] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5532] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5532] ioctl(4, LOOP_CLR_FD) = 0 [pid 5532] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5532] close(4) = 0 [pid 5532] close(3) = 0 [pid 5532] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5531] <... futex resumed>) = 0 [pid 5531] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5531] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5532] <... futex resumed>) = 1 [pid 5532] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5531] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5531] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5531] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5531] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5531] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[448], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 448 [pid 5531] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5531] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5532] <... mmap resumed>) = 0x20000000 [pid 5532] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5532] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5533 attached [pid 5533] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5533] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5534 attached [pid 5534] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5531] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5531] close(3) = -1 EBADF (Bad file descriptor) [pid 5531] close(4) = -1 EBADF (Bad file descriptor) [pid 5531] close(5) = -1 EBADF (Bad file descriptor) [pid 5531] close(6) = -1 EBADF (Bad file descriptor) [pid 5531] close(7) = -1 EBADF (Bad file descriptor) [pid 5531] close(8) = -1 EBADF (Bad file descriptor) [pid 5531] close(9) = -1 EBADF (Bad file descriptor) [pid 5531] close(10) = -1 EBADF (Bad file descriptor) [pid 5531] close(11) = -1 EBADF (Bad file descriptor) [pid 5531] close(12) = -1 EBADF (Bad file descriptor) [pid 5531] close(13) = -1 EBADF (Bad file descriptor) [pid 5531] close(14) = -1 EBADF (Bad file descriptor) [pid 5531] close(15) = -1 EBADF (Bad file descriptor) [pid 5531] close(16) = -1 EBADF (Bad file descriptor) [pid 5531] close(17) = -1 EBADF (Bad file descriptor) [pid 5531] close(18) = -1 EBADF (Bad file descriptor) [pid 5531] close(19) = -1 EBADF (Bad file descriptor) [pid 5531] close(20) = -1 EBADF (Bad file descriptor) [pid 5531] close(21) = -1 EBADF (Bad file descriptor) [pid 5531] close(22) = -1 EBADF (Bad file descriptor) [pid 5531] close(23) = -1 EBADF (Bad file descriptor) [pid 5531] close(24) = -1 EBADF (Bad file descriptor) [pid 5531] close(25) = -1 EBADF (Bad file descriptor) [pid 5531] close(26) = -1 EBADF (Bad file descriptor) [pid 5531] close(27) = -1 EBADF (Bad file descriptor) [pid 5531] close(28) = -1 EBADF (Bad file descriptor) [pid 5531] close(29) = -1 EBADF (Bad file descriptor) [pid 5531] exit_group(0) = ? [pid 5532] <... futex resumed>) = ? [pid 5533] <... clone resumed>) = ? [pid 5532] +++ exited with 0 +++ [pid 5533] +++ exited with 0 +++ [pid 5531] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=446, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=64 /* 0.64 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 450 ./strace-static-x86_64: Process 5535 attached [pid 5535] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5535] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5535] setpgid(0, 0) = 0 [pid 5535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5535] write(3, "1000", 4) = 4 [pid 5535] close(3) = 0 [pid 5535] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5535] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5535] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5535] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5536 attached [pid 5536] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5536] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5535] <... clone resumed>, parent_tid=[451], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 451 [pid 5535] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5536] <... futex resumed>) = 0 [pid 5535] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5536] memfd_create("syzkaller", 0) = 3 [pid 5536] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5534] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=449, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5536] 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"..., 67108864) = 67108864 [pid 5536] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5536] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5536] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5536] ioctl(4, LOOP_CLR_FD) = 0 [pid 5536] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5536] close(4) = 0 [pid 5536] close(3) = 0 [pid 5536] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5535] <... futex resumed>) = 0 [pid 5535] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5535] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5536] <... futex resumed>) = 1 [pid 5536] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5535] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5535] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5535] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5535] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5535] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[452], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 452 [pid 5535] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5535] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5536] <... mmap resumed>) = 0x20000000 [pid 5536] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5536] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5537 attached [pid 5537] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5537] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5538 attached [pid 5538] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5535] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5535] close(3) = -1 EBADF (Bad file descriptor) [pid 5535] close(4) = -1 EBADF (Bad file descriptor) [pid 5535] close(5) = -1 EBADF (Bad file descriptor) [pid 5535] close(6) = -1 EBADF (Bad file descriptor) [pid 5535] close(7) = -1 EBADF (Bad file descriptor) [pid 5535] close(8) = -1 EBADF (Bad file descriptor) [pid 5535] close(9) = -1 EBADF (Bad file descriptor) [pid 5535] close(10) = -1 EBADF (Bad file descriptor) [pid 5535] close(11) = -1 EBADF (Bad file descriptor) [pid 5535] close(12) = -1 EBADF (Bad file descriptor) [pid 5535] close(13) = -1 EBADF (Bad file descriptor) [pid 5535] close(14) = -1 EBADF (Bad file descriptor) [pid 5535] close(15) = -1 EBADF (Bad file descriptor) [pid 5535] close(16) = -1 EBADF (Bad file descriptor) [pid 5535] close(17) = -1 EBADF (Bad file descriptor) [pid 5535] close(18) = -1 EBADF (Bad file descriptor) [pid 5535] close(19) = -1 EBADF (Bad file descriptor) [pid 5535] close(20) = -1 EBADF (Bad file descriptor) [pid 5535] close(21) = -1 EBADF (Bad file descriptor) [pid 5535] close(22) = -1 EBADF (Bad file descriptor) [pid 5535] close(23) = -1 EBADF (Bad file descriptor) [pid 5535] close(24) = -1 EBADF (Bad file descriptor) [pid 5535] close(25) = -1 EBADF (Bad file descriptor) [pid 5535] close(26) = -1 EBADF (Bad file descriptor) [pid 5535] close(27) = -1 EBADF (Bad file descriptor) [pid 5535] close(28) = -1 EBADF (Bad file descriptor) [pid 5535] close(29) = -1 EBADF (Bad file descriptor) [pid 5535] exit_group(0 [pid 5537] <... clone resumed>) = ? [pid 5536] <... futex resumed>) = ? [pid 5535] <... exit_group resumed>) = ? [pid 5537] +++ exited with 0 +++ [pid 5536] +++ exited with 0 +++ [pid 5535] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=450, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=67 /* 0.67 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 454 ./strace-static-x86_64: Process 5539 attached [pid 5539] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5539] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5539] setpgid(0, 0) = 0 [pid 5539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5539] write(3, "1000", 4) = 4 [pid 5539] close(3) = 0 [pid 5539] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5539] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5539] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5539] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[455], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 455 [pid 5539] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5539] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5540 attached [pid 5540] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5540] memfd_create("syzkaller", 0) = 3 [pid 5540] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5538] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=453, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5540] 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"..., 67108864) = 67108864 [pid 5540] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5540] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5540] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5540] ioctl(4, LOOP_CLR_FD) = 0 [pid 5540] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5540] close(4) = 0 [pid 5540] close(3) = 0 [pid 5540] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5539] <... futex resumed>) = 0 [pid 5540] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5539] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5539] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5539] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5539] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5540] <... mmap resumed>) = 0x20000000 [pid 5539] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5540] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5539] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5540] <... futex resumed>) = 0 [pid 5539] <... mprotect resumed>) = 0 [pid 5540] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5539] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[456], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 456 [pid 5539] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5539] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5541 attached [pid 5541] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5541] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5542 attached [pid 5542] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5539] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5539] close(3) = -1 EBADF (Bad file descriptor) [pid 5539] close(4) = -1 EBADF (Bad file descriptor) [pid 5539] close(5) = -1 EBADF (Bad file descriptor) [pid 5539] close(6) = -1 EBADF (Bad file descriptor) [pid 5539] close(7) = -1 EBADF (Bad file descriptor) [pid 5539] close(8) = -1 EBADF (Bad file descriptor) [pid 5539] close(9) = -1 EBADF (Bad file descriptor) [pid 5539] close(10) = -1 EBADF (Bad file descriptor) [pid 5539] close(11) = -1 EBADF (Bad file descriptor) [pid 5539] close(12) = -1 EBADF (Bad file descriptor) [pid 5539] close(13) = -1 EBADF (Bad file descriptor) [pid 5539] close(14) = -1 EBADF (Bad file descriptor) [pid 5539] close(15) = -1 EBADF (Bad file descriptor) [pid 5539] close(16) = -1 EBADF (Bad file descriptor) [pid 5539] close(17) = -1 EBADF (Bad file descriptor) [pid 5539] close(18) = -1 EBADF (Bad file descriptor) [pid 5539] close(19) = -1 EBADF (Bad file descriptor) [pid 5539] close(20) = -1 EBADF (Bad file descriptor) [pid 5539] close(21) = -1 EBADF (Bad file descriptor) [pid 5539] close(22) = -1 EBADF (Bad file descriptor) [pid 5539] close(23) = -1 EBADF (Bad file descriptor) [pid 5539] close(24) = -1 EBADF (Bad file descriptor) [pid 5539] close(25) = -1 EBADF (Bad file descriptor) [pid 5539] close(26) = -1 EBADF (Bad file descriptor) [pid 5539] close(27) = -1 EBADF (Bad file descriptor) [pid 5539] close(28) = -1 EBADF (Bad file descriptor) [pid 5539] close(29) = -1 EBADF (Bad file descriptor) [pid 5539] exit_group(0 [pid 5541] <... clone resumed>) = ? [pid 5540] <... futex resumed>) = ? [pid 5539] <... exit_group resumed>) = ? [pid 5541] +++ exited with 0 +++ [pid 5540] +++ exited with 0 +++ [pid 5539] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=454, si_uid=0, si_status=0, si_utime=19 /* 0.19 s */, si_stime=66 /* 0.66 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 458 ./strace-static-x86_64: Process 5543 attached [pid 5543] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5543] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5543] setpgid(0, 0) = 0 [pid 5543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5543] write(3, "1000", 4) = 4 [pid 5543] close(3) = 0 [pid 5543] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5543] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5543] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5543] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[459], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 459 [pid 5543] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5543] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5544 attached [pid 5544] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5544] memfd_create("syzkaller", 0) = 3 [pid 5544] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5542] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=457, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5544] 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"..., 67108864) = 67108864 [pid 5544] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5544] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5544] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5544] ioctl(4, LOOP_CLR_FD) = 0 [pid 5544] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5544] close(4) = 0 [pid 5544] close(3) = 0 [pid 5544] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5543] <... futex resumed>) = 0 [pid 5543] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5544] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5543] <... futex resumed>) = 0 [pid 5543] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5543] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5543] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5544] <... mmap resumed>) = 0x20000000 [pid 5544] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5543] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5544] <... futex resumed>) = 0 [pid 5544] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5543] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5543] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[460], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 460 [pid 5543] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5543] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5545 attached [pid 5545] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5545] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5546 attached [pid 5546] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5543] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5543] close(3) = -1 EBADF (Bad file descriptor) [pid 5543] close(4) = -1 EBADF (Bad file descriptor) [pid 5543] close(5) = -1 EBADF (Bad file descriptor) [pid 5543] close(6) = -1 EBADF (Bad file descriptor) [pid 5543] close(7) = -1 EBADF (Bad file descriptor) [pid 5543] close(8) = -1 EBADF (Bad file descriptor) [pid 5543] close(9) = -1 EBADF (Bad file descriptor) [pid 5543] close(10) = -1 EBADF (Bad file descriptor) [pid 5543] close(11) = -1 EBADF (Bad file descriptor) [pid 5543] close(12) = -1 EBADF (Bad file descriptor) [pid 5543] close(13) = -1 EBADF (Bad file descriptor) [pid 5543] close(14) = -1 EBADF (Bad file descriptor) [pid 5543] close(15) = -1 EBADF (Bad file descriptor) [pid 5543] close(16) = -1 EBADF (Bad file descriptor) [pid 5543] close(17) = -1 EBADF (Bad file descriptor) [pid 5543] close(18) = -1 EBADF (Bad file descriptor) [pid 5543] close(19) = -1 EBADF (Bad file descriptor) [pid 5543] close(20) = -1 EBADF (Bad file descriptor) [pid 5543] close(21) = -1 EBADF (Bad file descriptor) [pid 5543] close(22) = -1 EBADF (Bad file descriptor) [pid 5543] close(23) = -1 EBADF (Bad file descriptor) [pid 5543] close(24) = -1 EBADF (Bad file descriptor) [pid 5543] close(25) = -1 EBADF (Bad file descriptor) [pid 5543] close(26) = -1 EBADF (Bad file descriptor) [pid 5543] close(27) = -1 EBADF (Bad file descriptor) [pid 5543] close(28) = -1 EBADF (Bad file descriptor) [pid 5543] close(29) = -1 EBADF (Bad file descriptor) [pid 5543] exit_group(0 [pid 5545] <... clone resumed>) = ? [pid 5544] <... futex resumed>) = ? [pid 5543] <... exit_group resumed>) = ? [pid 5545] +++ exited with 0 +++ [pid 5544] +++ exited with 0 +++ [pid 5543] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=458, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=72 /* 0.72 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 462 ./strace-static-x86_64: Process 5547 attached [pid 5547] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5547] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5547] setpgid(0, 0) = 0 [pid 5547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5547] write(3, "1000", 4) = 4 [pid 5547] close(3) = 0 [pid 5547] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5547] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5547] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5547] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[463], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 463 [pid 5547] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5547] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5548 attached [pid 5548] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5548] memfd_create("syzkaller", 0) = 3 [pid 5548] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5546] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=461, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=34 /* 0.34 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5548] 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"..., 67108864) = 67108864 [pid 5548] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5548] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5548] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5548] ioctl(4, LOOP_CLR_FD) = 0 [pid 5548] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5548] close(4) = 0 [pid 5548] close(3) = 0 [pid 5548] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5547] <... futex resumed>) = 0 [pid 5547] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5547] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5548] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5547] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5547] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5547] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5547] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5548] <... mmap resumed>) = 0x20000000 [pid 5547] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5547] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5548] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5547] <... mprotect resumed>) = 0 [pid 5547] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5548] <... futex resumed>) = 0 [pid 5547] <... clone resumed>, parent_tid=[464], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 464 [pid 5547] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5547] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5548] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5549 attached [pid 5549] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5549] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5550 attached [pid 5550] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5547] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5547] close(3) = -1 EBADF (Bad file descriptor) [pid 5547] close(4) = -1 EBADF (Bad file descriptor) [pid 5547] close(5) = -1 EBADF (Bad file descriptor) [pid 5547] close(6) = -1 EBADF (Bad file descriptor) [pid 5547] close(7) = -1 EBADF (Bad file descriptor) [pid 5547] close(8) = -1 EBADF (Bad file descriptor) [pid 5547] close(9) = -1 EBADF (Bad file descriptor) [pid 5547] close(10) = -1 EBADF (Bad file descriptor) [pid 5547] close(11) = -1 EBADF (Bad file descriptor) [pid 5547] close(12) = -1 EBADF (Bad file descriptor) [pid 5547] close(13) = -1 EBADF (Bad file descriptor) [pid 5547] close(14) = -1 EBADF (Bad file descriptor) [pid 5547] close(15) = -1 EBADF (Bad file descriptor) [pid 5547] close(16) = -1 EBADF (Bad file descriptor) [pid 5547] close(17) = -1 EBADF (Bad file descriptor) [pid 5547] close(18) = -1 EBADF (Bad file descriptor) [pid 5547] close(19) = -1 EBADF (Bad file descriptor) [pid 5547] close(20) = -1 EBADF (Bad file descriptor) [pid 5547] close(21) = -1 EBADF (Bad file descriptor) [pid 5547] close(22) = -1 EBADF (Bad file descriptor) [pid 5547] close(23) = -1 EBADF (Bad file descriptor) [pid 5547] close(24) = -1 EBADF (Bad file descriptor) [pid 5547] close(25) = -1 EBADF (Bad file descriptor) [pid 5547] close(26) = -1 EBADF (Bad file descriptor) [pid 5547] close(27) = -1 EBADF (Bad file descriptor) [pid 5547] close(28) = -1 EBADF (Bad file descriptor) [pid 5547] close(29) = -1 EBADF (Bad file descriptor) [pid 5547] exit_group(0 [pid 5549] <... clone resumed>) = ? [pid 5548] <... futex resumed>) = ? [pid 5547] <... exit_group resumed>) = ? [pid 5549] +++ exited with 0 +++ [pid 5548] +++ exited with 0 +++ [pid 5547] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=462, si_uid=0, si_status=0, si_utime=19 /* 0.19 s */, si_stime=65 /* 0.65 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 466 ./strace-static-x86_64: Process 5551 attached [pid 5551] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5551] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5551] setpgid(0, 0) = 0 [pid 5551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5551] write(3, "1000", 4) = 4 [pid 5551] close(3) = 0 [pid 5551] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5551] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5551] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5551] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[467], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 467 [pid 5551] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5551] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5552 attached [pid 5552] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5552] memfd_create("syzkaller", 0) = 3 [pid 5552] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5550] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=465, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5552] 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"..., 67108864) = 67108864 [pid 5552] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5552] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5552] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5552] ioctl(4, LOOP_CLR_FD) = 0 [pid 5552] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5552] close(4) = 0 [pid 5552] close(3) = 0 [pid 5552] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5551] <... futex resumed>) = 0 [pid 5551] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5551] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5552] <... futex resumed>) = 1 [pid 5552] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5551] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5551] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5551] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5551] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5551] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5551] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[468], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 468 [pid 5551] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5551] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5552] <... mmap resumed>) = 0x20000000 [pid 5552] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5552] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5553 attached [pid 5553] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5553] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5554 attached [pid 5554] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5551] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5551] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5551] close(3) = -1 EBADF (Bad file descriptor) [pid 5551] close(4) = -1 EBADF (Bad file descriptor) [pid 5551] close(5) = -1 EBADF (Bad file descriptor) [pid 5551] close(6) = -1 EBADF (Bad file descriptor) [pid 5551] close(7) = -1 EBADF (Bad file descriptor) [pid 5551] close(8) = -1 EBADF (Bad file descriptor) [pid 5551] close(9) = -1 EBADF (Bad file descriptor) [pid 5551] close(10) = -1 EBADF (Bad file descriptor) [pid 5551] close(11) = -1 EBADF (Bad file descriptor) [pid 5551] close(12) = -1 EBADF (Bad file descriptor) [pid 5551] close(13) = -1 EBADF (Bad file descriptor) [pid 5551] close(14) = -1 EBADF (Bad file descriptor) [pid 5551] close(15) = -1 EBADF (Bad file descriptor) [pid 5551] close(16) = -1 EBADF (Bad file descriptor) [pid 5551] close(17) = -1 EBADF (Bad file descriptor) [pid 5551] close(18) = -1 EBADF (Bad file descriptor) [pid 5551] close(19) = -1 EBADF (Bad file descriptor) [pid 5551] close(20) = -1 EBADF (Bad file descriptor) [pid 5551] close(21) = -1 EBADF (Bad file descriptor) [pid 5551] close(22) = -1 EBADF (Bad file descriptor) [pid 5551] close(23) = -1 EBADF (Bad file descriptor) [pid 5551] close(24) = -1 EBADF (Bad file descriptor) [pid 5551] close(25) = -1 EBADF (Bad file descriptor) [pid 5551] close(26) = -1 EBADF (Bad file descriptor) [pid 5551] close(27) = -1 EBADF (Bad file descriptor) [pid 5551] close(28) = -1 EBADF (Bad file descriptor) [pid 5551] close(29) = -1 EBADF (Bad file descriptor) [pid 5551] exit_group(0 [pid 5553] <... clone resumed>) = ? [pid 5552] <... futex resumed>) = ? [pid 5551] <... exit_group resumed>) = ? [pid 5553] +++ exited with 0 +++ [pid 5552] +++ exited with 0 +++ [pid 5551] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=466, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=68 /* 0.68 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 470 ./strace-static-x86_64: Process 5555 attached [pid 5555] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5555] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5555] setpgid(0, 0) = 0 [pid 5555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5555] write(3, "1000", 4) = 4 [pid 5555] close(3) = 0 [pid 5555] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5555] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5555] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5555] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[471], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 471 [pid 5555] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5555] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5556 attached [pid 5556] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5556] memfd_create("syzkaller", 0) = 3 [pid 5556] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5554] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=469, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5556] 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"..., 67108864) = 67108864 [pid 5556] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5556] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5556] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5556] ioctl(4, LOOP_CLR_FD) = 0 [pid 5556] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5556] close(4) = 0 [pid 5556] close(3) = 0 [pid 5556] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5555] <... futex resumed>) = 0 [pid 5555] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5555] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5556] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5555] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5555] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5555] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5555] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5556] <... mmap resumed>) = 0x20000000 [pid 5555] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5555] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5555] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5556] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5555] <... clone resumed>, parent_tid=[472], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 472 [pid 5555] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5555] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5556] <... futex resumed>) = 0 [pid 5556] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5557 attached [pid 5557] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5557] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5558 attached [pid 5558] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5555] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5555] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5555] close(3) = -1 EBADF (Bad file descriptor) [pid 5555] close(4) = -1 EBADF (Bad file descriptor) [pid 5555] close(5) = -1 EBADF (Bad file descriptor) [pid 5555] close(6) = -1 EBADF (Bad file descriptor) [pid 5555] close(7) = -1 EBADF (Bad file descriptor) [pid 5555] close(8) = -1 EBADF (Bad file descriptor) [pid 5555] close(9) = -1 EBADF (Bad file descriptor) [pid 5555] close(10) = -1 EBADF (Bad file descriptor) [pid 5555] close(11) = -1 EBADF (Bad file descriptor) [pid 5555] close(12) = -1 EBADF (Bad file descriptor) [pid 5555] close(13) = -1 EBADF (Bad file descriptor) [pid 5555] close(14) = -1 EBADF (Bad file descriptor) [pid 5555] close(15) = -1 EBADF (Bad file descriptor) [pid 5555] close(16) = -1 EBADF (Bad file descriptor) [pid 5555] close(17) = -1 EBADF (Bad file descriptor) [pid 5555] close(18) = -1 EBADF (Bad file descriptor) [pid 5555] close(19) = -1 EBADF (Bad file descriptor) [pid 5555] close(20) = -1 EBADF (Bad file descriptor) [pid 5555] close(21) = -1 EBADF (Bad file descriptor) [pid 5555] close(22) = -1 EBADF (Bad file descriptor) [pid 5555] close(23) = -1 EBADF (Bad file descriptor) [pid 5555] close(24) = -1 EBADF (Bad file descriptor) [pid 5555] close(25) = -1 EBADF (Bad file descriptor) [pid 5555] close(26) = -1 EBADF (Bad file descriptor) [pid 5555] close(27) = -1 EBADF (Bad file descriptor) [pid 5555] close(28) = -1 EBADF (Bad file descriptor) [pid 5555] close(29) = -1 EBADF (Bad file descriptor) [pid 5555] exit_group(0 [pid 5557] <... clone resumed>) = ? [pid 5556] <... futex resumed>) = ? [pid 5555] <... exit_group resumed>) = ? [pid 5557] +++ exited with 0 +++ [pid 5556] +++ exited with 0 +++ [pid 5555] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=470, si_uid=0, si_status=0, si_utime=19 /* 0.19 s */, si_stime=62 /* 0.62 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 474 ./strace-static-x86_64: Process 5559 attached [pid 5559] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5559] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5559] setpgid(0, 0) = 0 [pid 5559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5559] write(3, "1000", 4) = 4 [pid 5559] close(3) = 0 [pid 5559] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5559] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5559] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5559] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[475], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 475 [pid 5559] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5559] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5560 attached [pid 5560] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5560] memfd_create("syzkaller", 0) = 3 [pid 5560] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5558] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=473, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5560] 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"..., 67108864) = 67108864 [pid 5560] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5560] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5560] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5560] ioctl(4, LOOP_CLR_FD) = 0 [pid 5560] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5560] close(4) = 0 [pid 5560] close(3) = 0 [pid 5560] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5559] <... futex resumed>) = 0 [pid 5559] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5560] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5559] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5559] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5559] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5559] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5560] <... mmap resumed>) = 0x20000000 [pid 5560] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5559] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5560] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5559] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5559] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5561 attached , parent_tid=[476], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 476 [pid 5561] set_robust_list(0x7ff4cfbbb9e0, 24 [pid 5559] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5561] <... set_robust_list resumed>) = 0 [pid 5559] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5561] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5562 attached [pid 5562] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5559] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5559] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5559] close(3) = -1 EBADF (Bad file descriptor) [pid 5559] close(4) = -1 EBADF (Bad file descriptor) [pid 5559] close(5) = -1 EBADF (Bad file descriptor) [pid 5559] close(6) = -1 EBADF (Bad file descriptor) [pid 5559] close(7) = -1 EBADF (Bad file descriptor) [pid 5559] close(8) = -1 EBADF (Bad file descriptor) [pid 5559] close(9) = -1 EBADF (Bad file descriptor) [pid 5559] close(10) = -1 EBADF (Bad file descriptor) [pid 5559] close(11) = -1 EBADF (Bad file descriptor) [pid 5559] close(12) = -1 EBADF (Bad file descriptor) [pid 5559] close(13) = -1 EBADF (Bad file descriptor) [pid 5559] close(14) = -1 EBADF (Bad file descriptor) [pid 5559] close(15) = -1 EBADF (Bad file descriptor) [pid 5559] close(16) = -1 EBADF (Bad file descriptor) [pid 5559] close(17) = -1 EBADF (Bad file descriptor) [pid 5559] close(18) = -1 EBADF (Bad file descriptor) [pid 5559] close(19) = -1 EBADF (Bad file descriptor) [pid 5559] close(20) = -1 EBADF (Bad file descriptor) [pid 5559] close(21) = -1 EBADF (Bad file descriptor) [pid 5559] close(22) = -1 EBADF (Bad file descriptor) [pid 5559] close(23) = -1 EBADF (Bad file descriptor) [pid 5559] close(24) = -1 EBADF (Bad file descriptor) [pid 5559] close(25) = -1 EBADF (Bad file descriptor) [pid 5559] close(26) = -1 EBADF (Bad file descriptor) [pid 5559] close(27) = -1 EBADF (Bad file descriptor) [pid 5559] close(28) = -1 EBADF (Bad file descriptor) [pid 5559] close(29) = -1 EBADF (Bad file descriptor) [pid 5559] exit_group(0 [pid 5560] <... futex resumed>) = ? [pid 5559] <... exit_group resumed>) = ? [pid 5561] <... clone resumed>) = ? [pid 5560] +++ exited with 0 +++ [pid 5561] +++ exited with 0 +++ [pid 5559] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=474, si_uid=0, si_status=0, si_utime=23 /* 0.23 s */, si_stime=64 /* 0.64 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 478 ./strace-static-x86_64: Process 5563 attached [pid 5563] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5563] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5563] setpgid(0, 0) = 0 [pid 5563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5563] write(3, "1000", 4) = 4 [pid 5563] close(3) = 0 [pid 5563] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5563] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5563] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5563] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[479], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 479 [pid 5563] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5563] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5564 attached [pid 5564] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5564] memfd_create("syzkaller", 0) = 3 [pid 5564] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5562] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=477, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5564] 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"..., 67108864) = 67108864 [pid 5564] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5564] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5564] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5564] ioctl(4, LOOP_CLR_FD) = 0 [pid 5564] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5564] close(4) = 0 [pid 5564] close(3) = 0 [pid 5564] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5564] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5563] <... futex resumed>) = 0 [pid 5563] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5563] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5564] <... futex resumed>) = 0 [pid 5564] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5563] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5563] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5563] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5564] <... mmap resumed>) = 0x20000000 [pid 5564] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5563] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5564] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5563] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5563] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5565 attached , parent_tid=[480], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 480 [pid 5565] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5563] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5565] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5563] <... futex resumed>) = 0 [pid 5563] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5566 attached [pid 5566] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5563] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5563] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5563] close(3) = -1 EBADF (Bad file descriptor) [pid 5563] close(4) = -1 EBADF (Bad file descriptor) [pid 5563] close(5) = -1 EBADF (Bad file descriptor) [pid 5563] close(6) = -1 EBADF (Bad file descriptor) [pid 5563] close(7) = -1 EBADF (Bad file descriptor) [pid 5563] close(8) = -1 EBADF (Bad file descriptor) [pid 5563] close(9) = -1 EBADF (Bad file descriptor) [pid 5563] close(10) = -1 EBADF (Bad file descriptor) [pid 5563] close(11) = -1 EBADF (Bad file descriptor) [pid 5563] close(12) = -1 EBADF (Bad file descriptor) [pid 5563] close(13) = -1 EBADF (Bad file descriptor) [pid 5563] close(14) = -1 EBADF (Bad file descriptor) [pid 5563] close(15) = -1 EBADF (Bad file descriptor) [pid 5563] close(16) = -1 EBADF (Bad file descriptor) [pid 5563] close(17) = -1 EBADF (Bad file descriptor) [pid 5563] close(18) = -1 EBADF (Bad file descriptor) [pid 5563] close(19) = -1 EBADF (Bad file descriptor) [pid 5563] close(20) = -1 EBADF (Bad file descriptor) [pid 5563] close(21) = -1 EBADF (Bad file descriptor) [pid 5563] close(22) = -1 EBADF (Bad file descriptor) [pid 5563] close(23) = -1 EBADF (Bad file descriptor) [pid 5563] close(24) = -1 EBADF (Bad file descriptor) [pid 5563] close(25) = -1 EBADF (Bad file descriptor) [pid 5563] close(26) = -1 EBADF (Bad file descriptor) [pid 5563] close(27) = -1 EBADF (Bad file descriptor) [pid 5563] close(28) = -1 EBADF (Bad file descriptor) [pid 5563] close(29) = -1 EBADF (Bad file descriptor) [pid 5563] exit_group(0 [pid 5564] <... futex resumed>) = ? [pid 5565] <... clone resumed>) = ? [pid 5563] <... exit_group resumed>) = ? [pid 5564] +++ exited with 0 +++ [pid 5565] +++ exited with 0 +++ [pid 5563] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=478, si_uid=0, si_status=0, si_utime=19 /* 0.19 s */, si_stime=66 /* 0.66 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 482 ./strace-static-x86_64: Process 5567 attached [pid 5567] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5567] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5567] setpgid(0, 0) = 0 [pid 5567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5567] write(3, "1000", 4) = 4 [pid 5567] close(3) = 0 [pid 5567] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5567] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5567] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5567] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[483], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 483 [pid 5567] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5567] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5568 attached [pid 5568] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5568] memfd_create("syzkaller", 0) = 3 [pid 5568] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5566] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=481, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5568] 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"..., 67108864) = 67108864 [pid 5568] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5568] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5568] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5568] ioctl(4, LOOP_CLR_FD) = 0 [pid 5568] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5568] close(4) = 0 [pid 5568] close(3) = 0 [pid 5568] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5567] <... futex resumed>) = 0 [pid 5567] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5567] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5568] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5567] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5567] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5567] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5568] <... mmap resumed>) = 0x20000000 [pid 5567] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5567] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5568] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5567] <... mprotect resumed>) = 0 [pid 5567] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5568] <... futex resumed>) = 0 [pid 5567] <... clone resumed>, parent_tid=[484], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 484 [pid 5567] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5567] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5568] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5569 attached [pid 5569] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5569] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5570 attached [pid 5570] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5567] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5567] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5567] close(3) = -1 EBADF (Bad file descriptor) [pid 5567] close(4) = -1 EBADF (Bad file descriptor) [pid 5567] close(5) = -1 EBADF (Bad file descriptor) [pid 5567] close(6) = -1 EBADF (Bad file descriptor) [pid 5567] close(7) = -1 EBADF (Bad file descriptor) [pid 5567] close(8) = -1 EBADF (Bad file descriptor) [pid 5567] close(9) = -1 EBADF (Bad file descriptor) [pid 5567] close(10) = -1 EBADF (Bad file descriptor) [pid 5567] close(11) = -1 EBADF (Bad file descriptor) [pid 5567] close(12) = -1 EBADF (Bad file descriptor) [pid 5567] close(13) = -1 EBADF (Bad file descriptor) [pid 5567] close(14) = -1 EBADF (Bad file descriptor) [pid 5567] close(15) = -1 EBADF (Bad file descriptor) [pid 5567] close(16) = -1 EBADF (Bad file descriptor) [pid 5567] close(17) = -1 EBADF (Bad file descriptor) [pid 5567] close(18) = -1 EBADF (Bad file descriptor) [pid 5567] close(19) = -1 EBADF (Bad file descriptor) [pid 5567] close(20) = -1 EBADF (Bad file descriptor) [pid 5567] close(21) = -1 EBADF (Bad file descriptor) [pid 5567] close(22) = -1 EBADF (Bad file descriptor) [pid 5567] close(23) = -1 EBADF (Bad file descriptor) [pid 5567] close(24) = -1 EBADF (Bad file descriptor) [pid 5567] close(25) = -1 EBADF (Bad file descriptor) [pid 5567] close(26) = -1 EBADF (Bad file descriptor) [pid 5567] close(27) = -1 EBADF (Bad file descriptor) [pid 5567] close(28) = -1 EBADF (Bad file descriptor) [pid 5567] close(29) = -1 EBADF (Bad file descriptor) [pid 5567] exit_group(0 [pid 5569] <... clone resumed>) = ? [pid 5568] <... futex resumed>) = ? [pid 5567] <... exit_group resumed>) = ? [pid 5569] +++ exited with 0 +++ [pid 5568] +++ exited with 0 +++ [pid 5567] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=482, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=70 /* 0.70 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 486 ./strace-static-x86_64: Process 5571 attached [pid 5571] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5571] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5571] setpgid(0, 0) = 0 [pid 5571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5571] write(3, "1000", 4) = 4 [pid 5571] close(3) = 0 [pid 5571] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5571] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5571] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5571] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[487], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 487 [pid 5571] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5571] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5572 attached [pid 5572] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5572] memfd_create("syzkaller", 0) = 3 [pid 5572] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5570] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=485, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5572] 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"..., 67108864) = 67108864 [pid 5572] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5572] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5572] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5572] ioctl(4, LOOP_CLR_FD) = 0 [pid 5572] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5572] close(4) = 0 [pid 5572] close(3) = 0 [pid 5572] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5571] <... futex resumed>) = 0 [pid 5571] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5571] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5572] <... futex resumed>) = 1 [pid 5572] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5571] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5571] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5571] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5571] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5571] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[488], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 488 [pid 5571] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5571] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5572] <... mmap resumed>) = 0x20000000 [pid 5572] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5572] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5573 attached [pid 5573] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5573] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5574 attached [pid 5574] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5571] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5571] close(3) = -1 EBADF (Bad file descriptor) [pid 5571] close(4) = -1 EBADF (Bad file descriptor) [pid 5571] close(5) = -1 EBADF (Bad file descriptor) [pid 5571] close(6) = -1 EBADF (Bad file descriptor) [pid 5571] close(7) = -1 EBADF (Bad file descriptor) [pid 5571] close(8) = -1 EBADF (Bad file descriptor) [pid 5571] close(9) = -1 EBADF (Bad file descriptor) [pid 5571] close(10) = -1 EBADF (Bad file descriptor) [pid 5571] close(11) = -1 EBADF (Bad file descriptor) [pid 5571] close(12) = -1 EBADF (Bad file descriptor) [pid 5571] close(13) = -1 EBADF (Bad file descriptor) [pid 5571] close(14) = -1 EBADF (Bad file descriptor) [pid 5571] close(15) = -1 EBADF (Bad file descriptor) [pid 5571] close(16) = -1 EBADF (Bad file descriptor) [pid 5571] close(17) = -1 EBADF (Bad file descriptor) [pid 5571] close(18) = -1 EBADF (Bad file descriptor) [pid 5571] close(19) = -1 EBADF (Bad file descriptor) [pid 5571] close(20) = -1 EBADF (Bad file descriptor) [pid 5571] close(21) = -1 EBADF (Bad file descriptor) [pid 5571] close(22) = -1 EBADF (Bad file descriptor) [pid 5571] close(23) = -1 EBADF (Bad file descriptor) [pid 5571] close(24) = -1 EBADF (Bad file descriptor) [pid 5571] close(25) = -1 EBADF (Bad file descriptor) [pid 5571] close(26) = -1 EBADF (Bad file descriptor) [pid 5571] close(27) = -1 EBADF (Bad file descriptor) [pid 5571] close(28) = -1 EBADF (Bad file descriptor) [pid 5571] close(29) = -1 EBADF (Bad file descriptor) [pid 5571] exit_group(0) = ? [pid 5572] <... futex resumed>) = ? [pid 5573] <... clone resumed>) = ? [pid 5572] +++ exited with 0 +++ [pid 5573] +++ exited with 0 +++ [pid 5571] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=486, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=63 /* 0.63 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 490 ./strace-static-x86_64: Process 5575 attached [pid 5575] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5575] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5575] setpgid(0, 0) = 0 [pid 5575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5575] write(3, "1000", 4) = 4 [pid 5575] close(3) = 0 [pid 5575] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5575] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5575] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5575] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[491], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 491 [pid 5575] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5575] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5576 attached [pid 5576] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5576] memfd_create("syzkaller", 0) = 3 [pid 5576] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5574] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=489, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5576] 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"..., 67108864) = 67108864 [pid 5576] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5576] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5576] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5576] ioctl(4, LOOP_CLR_FD) = 0 [pid 5576] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5576] close(4) = 0 [pid 5576] close(3) = 0 [pid 5576] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5575] <... futex resumed>) = 0 [pid 5575] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5575] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5576] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5575] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5575] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5575] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5575] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5576] <... mmap resumed>) = 0x20000000 [pid 5575] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5575] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5576] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5575] <... mprotect resumed>) = 0 [pid 5575] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5576] <... futex resumed>) = 0 [pid 5575] <... clone resumed>, parent_tid=[492], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 492 [pid 5575] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5575] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5576] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5577 attached [pid 5577] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5577] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5578 attached [pid 5578] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5575] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5575] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5575] close(3) = -1 EBADF (Bad file descriptor) [pid 5575] close(4) = -1 EBADF (Bad file descriptor) [pid 5575] close(5) = -1 EBADF (Bad file descriptor) [pid 5575] close(6) = -1 EBADF (Bad file descriptor) [pid 5575] close(7) = -1 EBADF (Bad file descriptor) [pid 5575] close(8) = -1 EBADF (Bad file descriptor) [pid 5575] close(9) = -1 EBADF (Bad file descriptor) [pid 5575] close(10) = -1 EBADF (Bad file descriptor) [pid 5575] close(11) = -1 EBADF (Bad file descriptor) [pid 5575] close(12) = -1 EBADF (Bad file descriptor) [pid 5575] close(13) = -1 EBADF (Bad file descriptor) [pid 5575] close(14) = -1 EBADF (Bad file descriptor) [pid 5575] close(15) = -1 EBADF (Bad file descriptor) [pid 5575] close(16) = -1 EBADF (Bad file descriptor) [pid 5575] close(17) = -1 EBADF (Bad file descriptor) [pid 5575] close(18) = -1 EBADF (Bad file descriptor) [pid 5575] close(19) = -1 EBADF (Bad file descriptor) [pid 5575] close(20) = -1 EBADF (Bad file descriptor) [pid 5575] close(21) = -1 EBADF (Bad file descriptor) [pid 5575] close(22) = -1 EBADF (Bad file descriptor) [pid 5575] close(23) = -1 EBADF (Bad file descriptor) [pid 5575] close(24) = -1 EBADF (Bad file descriptor) [pid 5575] close(25) = -1 EBADF (Bad file descriptor) [pid 5575] close(26) = -1 EBADF (Bad file descriptor) [pid 5575] close(27) = -1 EBADF (Bad file descriptor) [pid 5575] close(28) = -1 EBADF (Bad file descriptor) [pid 5575] close(29) = -1 EBADF (Bad file descriptor) [pid 5575] exit_group(0 [pid 5577] <... clone resumed>) = ? [pid 5576] <... futex resumed>) = ? [pid 5575] <... exit_group resumed>) = ? [pid 5577] +++ exited with 0 +++ [pid 5576] +++ exited with 0 +++ [pid 5575] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=490, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=67 /* 0.67 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 494 ./strace-static-x86_64: Process 5579 attached [pid 5579] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5579] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5579] setpgid(0, 0) = 0 [pid 5579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5579] write(3, "1000", 4) = 4 [pid 5579] close(3) = 0 [pid 5579] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5579] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5579] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5579] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[495], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 495 [pid 5579] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5579] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5580 attached [pid 5580] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5580] memfd_create("syzkaller", 0) = 3 [pid 5580] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5578] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=493, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5580] 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"..., 67108864) = 67108864 [pid 5580] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5580] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5580] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5580] ioctl(4, LOOP_CLR_FD) = 0 [pid 5580] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5580] close(4) = 0 [pid 5580] close(3) = 0 [pid 5580] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5579] <... futex resumed>) = 0 [pid 5579] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5579] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5580] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5579] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5579] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5579] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5580] <... mmap resumed>) = 0x20000000 [pid 5579] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5579] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5579] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5580] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5579] <... clone resumed>, parent_tid=[496], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 496 [pid 5579] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5579] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5580] <... futex resumed>) = 0 [pid 5580] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5581 attached [pid 5581] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5581] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5582 attached [pid 5582] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5579] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5579] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5579] close(3) = -1 EBADF (Bad file descriptor) [pid 5579] close(4) = -1 EBADF (Bad file descriptor) [pid 5579] close(5) = -1 EBADF (Bad file descriptor) [pid 5579] close(6) = -1 EBADF (Bad file descriptor) [pid 5579] close(7) = -1 EBADF (Bad file descriptor) [pid 5579] close(8) = -1 EBADF (Bad file descriptor) [pid 5579] close(9) = -1 EBADF (Bad file descriptor) [pid 5579] close(10) = -1 EBADF (Bad file descriptor) [pid 5579] close(11) = -1 EBADF (Bad file descriptor) [pid 5579] close(12) = -1 EBADF (Bad file descriptor) [pid 5579] close(13) = -1 EBADF (Bad file descriptor) [pid 5579] close(14) = -1 EBADF (Bad file descriptor) [pid 5579] close(15) = -1 EBADF (Bad file descriptor) [pid 5579] close(16) = -1 EBADF (Bad file descriptor) [pid 5579] close(17) = -1 EBADF (Bad file descriptor) [pid 5579] close(18) = -1 EBADF (Bad file descriptor) [pid 5579] close(19) = -1 EBADF (Bad file descriptor) [pid 5579] close(20) = -1 EBADF (Bad file descriptor) [pid 5579] close(21) = -1 EBADF (Bad file descriptor) [pid 5579] close(22) = -1 EBADF (Bad file descriptor) [pid 5579] close(23) = -1 EBADF (Bad file descriptor) [pid 5579] close(24) = -1 EBADF (Bad file descriptor) [pid 5579] close(25) = -1 EBADF (Bad file descriptor) [pid 5579] close(26) = -1 EBADF (Bad file descriptor) [pid 5579] close(27) = -1 EBADF (Bad file descriptor) [pid 5579] close(28) = -1 EBADF (Bad file descriptor) [pid 5579] close(29) = -1 EBADF (Bad file descriptor) [pid 5579] exit_group(0 [pid 5581] <... clone resumed>) = ? [pid 5580] <... futex resumed>) = ? [pid 5579] <... exit_group resumed>) = ? [pid 5581] +++ exited with 0 +++ [pid 5580] +++ exited with 0 +++ [pid 5579] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=494, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=73 /* 0.73 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 498 ./strace-static-x86_64: Process 5583 attached [pid 5583] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5583] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5583] setpgid(0, 0) = 0 [pid 5583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5583] write(3, "1000", 4) = 4 [pid 5583] close(3) = 0 [pid 5583] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5583] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5583] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5583] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[499], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 499 [pid 5583] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5583] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5584 attached [pid 5584] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5584] memfd_create("syzkaller", 0) = 3 [pid 5584] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5582] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=497, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5584] 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"..., 67108864) = 67108864 [pid 5584] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5584] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5584] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5584] ioctl(4, LOOP_CLR_FD) = 0 [pid 5584] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5584] close(4) = 0 [pid 5584] close(3) = 0 [pid 5584] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5583] <... futex resumed>) = 0 [pid 5583] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5583] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5584] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5583] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5583] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5583] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5584] <... mmap resumed>) = 0x20000000 [pid 5583] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5583] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5583] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5584] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5583] <... clone resumed>, parent_tid=[500], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 500 [pid 5583] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5583] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5584] <... futex resumed>) = 0 [pid 5584] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5585 attached [pid 5585] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5585] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5586 attached [pid 5586] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5583] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5583] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5583] close(3) = -1 EBADF (Bad file descriptor) [pid 5583] close(4) = -1 EBADF (Bad file descriptor) [pid 5583] close(5) = -1 EBADF (Bad file descriptor) [pid 5583] close(6) = -1 EBADF (Bad file descriptor) [pid 5583] close(7) = -1 EBADF (Bad file descriptor) [pid 5583] close(8) = -1 EBADF (Bad file descriptor) [pid 5583] close(9) = -1 EBADF (Bad file descriptor) [pid 5583] close(10) = -1 EBADF (Bad file descriptor) [pid 5583] close(11) = -1 EBADF (Bad file descriptor) [pid 5583] close(12) = -1 EBADF (Bad file descriptor) [pid 5583] close(13) = -1 EBADF (Bad file descriptor) [pid 5583] close(14) = -1 EBADF (Bad file descriptor) [pid 5583] close(15) = -1 EBADF (Bad file descriptor) [pid 5583] close(16) = -1 EBADF (Bad file descriptor) [pid 5583] close(17) = -1 EBADF (Bad file descriptor) [pid 5583] close(18) = -1 EBADF (Bad file descriptor) [pid 5583] close(19) = -1 EBADF (Bad file descriptor) [pid 5583] close(20) = -1 EBADF (Bad file descriptor) [pid 5583] close(21) = -1 EBADF (Bad file descriptor) [pid 5583] close(22) = -1 EBADF (Bad file descriptor) [pid 5583] close(23) = -1 EBADF (Bad file descriptor) [pid 5583] close(24) = -1 EBADF (Bad file descriptor) [pid 5583] close(25) = -1 EBADF (Bad file descriptor) [pid 5583] close(26) = -1 EBADF (Bad file descriptor) [pid 5583] close(27) = -1 EBADF (Bad file descriptor) [pid 5583] close(28) = -1 EBADF (Bad file descriptor) [pid 5583] close(29) = -1 EBADF (Bad file descriptor) [pid 5583] exit_group(0 [pid 5585] <... clone resumed>) = ? [pid 5584] <... futex resumed>) = ? [pid 5583] <... exit_group resumed>) = ? [pid 5585] +++ exited with 0 +++ [pid 5584] +++ exited with 0 +++ [pid 5583] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=498, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=66 /* 0.66 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 502 ./strace-static-x86_64: Process 5587 attached [pid 5587] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5587] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5587] setpgid(0, 0) = 0 [pid 5587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5587] write(3, "1000", 4) = 4 [pid 5587] close(3) = 0 [pid 5587] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5587] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5587] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5587] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[503], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 503 [pid 5587] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5587] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5588 attached [pid 5588] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5588] memfd_create("syzkaller", 0) = 3 [pid 5588] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5586] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=501, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5588] 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"..., 67108864) = 67108864 [pid 5588] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5588] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5588] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5588] ioctl(4, LOOP_CLR_FD) = 0 [pid 5588] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5588] close(4) = 0 [pid 5588] close(3) = 0 [pid 5588] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5587] <... futex resumed>) = 0 [pid 5587] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5587] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5588] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5587] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5587] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5587] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5587] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5588] <... mmap resumed>) = 0x20000000 [pid 5587] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5587] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5587] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[504], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 504 [pid 5587] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5587] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5588] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5588] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5590 attached [pid 5590] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5590] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5591 attached [pid 5591] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5587] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5587] close(3) = -1 EBADF (Bad file descriptor) [pid 5587] close(4) = -1 EBADF (Bad file descriptor) [pid 5587] close(5) = -1 EBADF (Bad file descriptor) [pid 5587] close(6) = -1 EBADF (Bad file descriptor) [pid 5587] close(7) = -1 EBADF (Bad file descriptor) [pid 5587] close(8) = -1 EBADF (Bad file descriptor) [pid 5587] close(9) = -1 EBADF (Bad file descriptor) [pid 5587] close(10) = -1 EBADF (Bad file descriptor) [pid 5587] close(11) = -1 EBADF (Bad file descriptor) [pid 5587] close(12) = -1 EBADF (Bad file descriptor) [pid 5587] close(13) = -1 EBADF (Bad file descriptor) [pid 5587] close(14) = -1 EBADF (Bad file descriptor) [pid 5587] close(15) = -1 EBADF (Bad file descriptor) [pid 5587] close(16) = -1 EBADF (Bad file descriptor) [pid 5587] close(17) = -1 EBADF (Bad file descriptor) [pid 5587] close(18) = -1 EBADF (Bad file descriptor) [pid 5587] close(19) = -1 EBADF (Bad file descriptor) [pid 5587] close(20) = -1 EBADF (Bad file descriptor) [pid 5587] close(21) = -1 EBADF (Bad file descriptor) [pid 5587] close(22) = -1 EBADF (Bad file descriptor) [pid 5587] close(23) = -1 EBADF (Bad file descriptor) [pid 5587] close(24) = -1 EBADF (Bad file descriptor) [pid 5587] close(25) = -1 EBADF (Bad file descriptor) [pid 5587] close(26) = -1 EBADF (Bad file descriptor) [pid 5587] close(27) = -1 EBADF (Bad file descriptor) [pid 5587] close(28) = -1 EBADF (Bad file descriptor) [pid 5587] close(29) = -1 EBADF (Bad file descriptor) [pid 5587] exit_group(0 [pid 5590] <... clone resumed>) = ? [pid 5588] <... futex resumed>) = ? [pid 5587] <... exit_group resumed>) = ? [pid 5590] +++ exited with 0 +++ [pid 5588] +++ exited with 0 +++ [pid 5587] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=502, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=70 /* 0.70 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 506 ./strace-static-x86_64: Process 5593 attached [pid 5593] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5593] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5593] setpgid(0, 0) = 0 [pid 5593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5593] write(3, "1000", 4) = 4 [pid 5593] close(3) = 0 [pid 5593] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5593] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5593] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5593] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[507], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 507 [pid 5593] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5593] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5594 attached [pid 5594] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5594] memfd_create("syzkaller", 0) = 3 [pid 5594] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5591] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=505, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5594] 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"..., 67108864) = 67108864 [pid 5594] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5594] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5594] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5594] ioctl(4, LOOP_CLR_FD) = 0 [pid 5594] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5594] close(4) = 0 [pid 5594] close(3) = 0 [pid 5594] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5593] <... futex resumed>) = 0 [pid 5594] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5593] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5593] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5593] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5593] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5594] <... mmap resumed>) = 0x20000000 [pid 5593] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5593] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5594] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5593] <... mprotect resumed>) = 0 [pid 5594] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5593] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[508], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 508 [pid 5593] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5593] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5597 attached [pid 5597] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5597] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5598 attached [pid 5598] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5593] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5593] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5593] close(3) = -1 EBADF (Bad file descriptor) [pid 5593] close(4) = -1 EBADF (Bad file descriptor) [pid 5593] close(5) = -1 EBADF (Bad file descriptor) [pid 5593] close(6) = -1 EBADF (Bad file descriptor) [pid 5593] close(7) = -1 EBADF (Bad file descriptor) [pid 5593] close(8) = -1 EBADF (Bad file descriptor) [pid 5593] close(9) = -1 EBADF (Bad file descriptor) [pid 5593] close(10) = -1 EBADF (Bad file descriptor) [pid 5593] close(11) = -1 EBADF (Bad file descriptor) [pid 5593] close(12) = -1 EBADF (Bad file descriptor) [pid 5593] close(13) = -1 EBADF (Bad file descriptor) [pid 5593] close(14) = -1 EBADF (Bad file descriptor) [pid 5593] close(15) = -1 EBADF (Bad file descriptor) [pid 5593] close(16) = -1 EBADF (Bad file descriptor) [pid 5593] close(17) = -1 EBADF (Bad file descriptor) [pid 5593] close(18) = -1 EBADF (Bad file descriptor) [pid 5593] close(19) = -1 EBADF (Bad file descriptor) [pid 5593] close(20) = -1 EBADF (Bad file descriptor) [pid 5593] close(21) = -1 EBADF (Bad file descriptor) [pid 5593] close(22) = -1 EBADF (Bad file descriptor) [pid 5593] close(23) = -1 EBADF (Bad file descriptor) [pid 5593] close(24) = -1 EBADF (Bad file descriptor) [pid 5593] close(25) = -1 EBADF (Bad file descriptor) [pid 5593] close(26) = -1 EBADF (Bad file descriptor) [pid 5593] close(27) = -1 EBADF (Bad file descriptor) [pid 5593] close(28) = -1 EBADF (Bad file descriptor) [pid 5593] close(29) = -1 EBADF (Bad file descriptor) [pid 5593] exit_group(0 [pid 5597] <... clone resumed>) = ? [pid 5594] <... futex resumed>) = ? [pid 5593] <... exit_group resumed>) = ? [pid 5597] +++ exited with 0 +++ [pid 5594] +++ exited with 0 +++ [pid 5593] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=506, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=67 /* 0.67 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 510 ./strace-static-x86_64: Process 5600 attached [pid 5600] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5600] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5600] setpgid(0, 0) = 0 [pid 5600] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5600] write(3, "1000", 4) = 4 [pid 5600] close(3) = 0 [pid 5600] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5600] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5600] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5600] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[511], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 511 [pid 5600] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5600] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5601 attached [pid 5601] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5601] memfd_create("syzkaller", 0) = 3 [pid 5601] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5598] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=509, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5601] 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"..., 67108864) = 67108864 [pid 5601] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5601] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5601] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5601] ioctl(4, LOOP_CLR_FD) = 0 [pid 5601] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5601] close(4) = 0 [pid 5601] close(3) = 0 [pid 5601] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5600] <... futex resumed>) = 0 [pid 5600] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5600] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5601] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5600] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5600] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5600] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5601] <... mmap resumed>) = 0x20000000 [pid 5600] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5600] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5601] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5600] <... mprotect resumed>) = 0 [pid 5600] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5601] <... futex resumed>) = 0 [pid 5600] <... clone resumed>, parent_tid=[512], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 512 [pid 5600] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5600] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5601] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5603 attached [pid 5603] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5603] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5604 attached [pid 5604] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5600] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5600] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5600] close(3) = -1 EBADF (Bad file descriptor) [pid 5600] close(4) = -1 EBADF (Bad file descriptor) [pid 5600] close(5) = -1 EBADF (Bad file descriptor) [pid 5600] close(6) = -1 EBADF (Bad file descriptor) [pid 5600] close(7) = -1 EBADF (Bad file descriptor) [pid 5600] close(8) = -1 EBADF (Bad file descriptor) [pid 5600] close(9) = -1 EBADF (Bad file descriptor) [pid 5600] close(10) = -1 EBADF (Bad file descriptor) [pid 5600] close(11) = -1 EBADF (Bad file descriptor) [pid 5600] close(12) = -1 EBADF (Bad file descriptor) [pid 5600] close(13) = -1 EBADF (Bad file descriptor) [pid 5600] close(14) = -1 EBADF (Bad file descriptor) [pid 5600] close(15) = -1 EBADF (Bad file descriptor) [pid 5600] close(16) = -1 EBADF (Bad file descriptor) [pid 5600] close(17) = -1 EBADF (Bad file descriptor) [pid 5600] close(18) = -1 EBADF (Bad file descriptor) [pid 5600] close(19) = -1 EBADF (Bad file descriptor) [pid 5600] close(20) = -1 EBADF (Bad file descriptor) [pid 5600] close(21) = -1 EBADF (Bad file descriptor) [pid 5600] close(22) = -1 EBADF (Bad file descriptor) [pid 5600] close(23) = -1 EBADF (Bad file descriptor) [pid 5600] close(24) = -1 EBADF (Bad file descriptor) [pid 5600] close(25) = -1 EBADF (Bad file descriptor) [pid 5600] close(26) = -1 EBADF (Bad file descriptor) [pid 5600] close(27) = -1 EBADF (Bad file descriptor) [pid 5600] close(28) = -1 EBADF (Bad file descriptor) [pid 5600] close(29) = -1 EBADF (Bad file descriptor) [pid 5600] exit_group(0 [pid 5603] <... clone resumed>) = ? [pid 5601] <... futex resumed>) = ? [pid 5600] <... exit_group resumed>) = ? [pid 5603] +++ exited with 0 +++ [pid 5601] +++ exited with 0 +++ [pid 5600] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=510, si_uid=0, si_status=0, si_utime=20 /* 0.20 s */, si_stime=63 /* 0.63 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 514 ./strace-static-x86_64: Process 5605 attached [pid 5605] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5605] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5605] setpgid(0, 0) = 0 [pid 5605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5605] write(3, "1000", 4) = 4 [pid 5605] close(3) = 0 [pid 5605] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5605] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5605] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5605] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[515], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 515 [pid 5605] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5605] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5606 attached [pid 5606] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5606] memfd_create("syzkaller", 0) = 3 [pid 5606] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5606] 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"..., 67108864 [pid 5604] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=513, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=33 /* 0.33 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5606] <... write resumed>) = 67108864 [pid 5606] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5606] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5606] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5606] ioctl(4, LOOP_CLR_FD) = 0 [pid 5606] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5606] close(4) = 0 [pid 5606] close(3) = 0 [pid 5606] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5605] <... futex resumed>) = 0 [pid 5605] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5605] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5606] <... futex resumed>) = 1 [pid 5606] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5605] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5605] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5605] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5605] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5605] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[516], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 516 [pid 5605] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5605] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5606] <... mmap resumed>) = 0x20000000 [pid 5606] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5606] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5607 attached [pid 5607] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5607] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5608 attached [pid 5608] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5605] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5605] close(3) = -1 EBADF (Bad file descriptor) [pid 5605] close(4) = -1 EBADF (Bad file descriptor) [pid 5605] close(5) = -1 EBADF (Bad file descriptor) [pid 5605] close(6) = -1 EBADF (Bad file descriptor) [pid 5605] close(7) = -1 EBADF (Bad file descriptor) [pid 5605] close(8) = -1 EBADF (Bad file descriptor) [pid 5605] close(9) = -1 EBADF (Bad file descriptor) [pid 5605] close(10) = -1 EBADF (Bad file descriptor) [pid 5605] close(11) = -1 EBADF (Bad file descriptor) [pid 5605] close(12) = -1 EBADF (Bad file descriptor) [pid 5605] close(13) = -1 EBADF (Bad file descriptor) [pid 5605] close(14) = -1 EBADF (Bad file descriptor) [pid 5605] close(15) = -1 EBADF (Bad file descriptor) [pid 5605] close(16) = -1 EBADF (Bad file descriptor) [pid 5605] close(17) = -1 EBADF (Bad file descriptor) [pid 5605] close(18) = -1 EBADF (Bad file descriptor) [pid 5605] close(19) = -1 EBADF (Bad file descriptor) [pid 5605] close(20) = -1 EBADF (Bad file descriptor) [pid 5605] close(21) = -1 EBADF (Bad file descriptor) [pid 5605] close(22) = -1 EBADF (Bad file descriptor) [pid 5605] close(23) = -1 EBADF (Bad file descriptor) [pid 5605] close(24) = -1 EBADF (Bad file descriptor) [pid 5605] close(25) = -1 EBADF (Bad file descriptor) [pid 5605] close(26) = -1 EBADF (Bad file descriptor) [pid 5605] close(27) = -1 EBADF (Bad file descriptor) [pid 5605] close(28) = -1 EBADF (Bad file descriptor) [pid 5605] close(29) = -1 EBADF (Bad file descriptor) [pid 5605] exit_group(0 [pid 5607] <... clone resumed>) = ? [pid 5606] <... futex resumed>) = ? [pid 5605] <... exit_group resumed>) = ? [pid 5607] +++ exited with 0 +++ [pid 5606] +++ exited with 0 +++ [pid 5605] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=514, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=72 /* 0.72 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 518 ./strace-static-x86_64: Process 5609 attached [pid 5609] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5609] setpgid(0, 0) = 0 [pid 5609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5609] write(3, "1000", 4) = 4 [pid 5609] close(3) = 0 [pid 5609] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5609] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5609] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5609] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[519], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 519 [pid 5609] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5609] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5610 attached [pid 5610] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5610] memfd_create("syzkaller", 0) = 3 [pid 5610] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5610] 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"..., 67108864 [pid 5608] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=517, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=40 /* 0.40 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5610] <... write resumed>) = 67108864 [pid 5610] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5610] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5610] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5610] ioctl(4, LOOP_CLR_FD) = 0 [pid 5610] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5610] close(4) = 0 [pid 5610] close(3) = 0 [pid 5610] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5609] <... futex resumed>) = 0 [pid 5609] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5609] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5610] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5609] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5609] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5609] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5609] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5610] <... mmap resumed>) = 0x20000000 [pid 5609] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5609] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5609] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[520], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 520 [pid 5609] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5609] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5610] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5610] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5611 attached [pid 5611] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5611] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5612 attached [pid 5612] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5609] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5609] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5609] close(3) = -1 EBADF (Bad file descriptor) [pid 5609] close(4) = -1 EBADF (Bad file descriptor) [pid 5609] close(5) = -1 EBADF (Bad file descriptor) [pid 5609] close(6) = -1 EBADF (Bad file descriptor) [pid 5609] close(7) = -1 EBADF (Bad file descriptor) [pid 5609] close(8) = -1 EBADF (Bad file descriptor) [pid 5609] close(9) = -1 EBADF (Bad file descriptor) [pid 5609] close(10) = -1 EBADF (Bad file descriptor) [pid 5609] close(11) = -1 EBADF (Bad file descriptor) [pid 5609] close(12) = -1 EBADF (Bad file descriptor) [pid 5609] close(13) = -1 EBADF (Bad file descriptor) [pid 5609] close(14) = -1 EBADF (Bad file descriptor) [pid 5609] close(15) = -1 EBADF (Bad file descriptor) [pid 5609] close(16) = -1 EBADF (Bad file descriptor) [pid 5609] close(17) = -1 EBADF (Bad file descriptor) [pid 5609] close(18) = -1 EBADF (Bad file descriptor) [pid 5609] close(19) = -1 EBADF (Bad file descriptor) [pid 5609] close(20) = -1 EBADF (Bad file descriptor) [pid 5609] close(21) = -1 EBADF (Bad file descriptor) [pid 5609] close(22) = -1 EBADF (Bad file descriptor) [pid 5609] close(23) = -1 EBADF (Bad file descriptor) [pid 5609] close(24) = -1 EBADF (Bad file descriptor) [pid 5609] close(25) = -1 EBADF (Bad file descriptor) [pid 5609] close(26) = -1 EBADF (Bad file descriptor) [pid 5609] close(27) = -1 EBADF (Bad file descriptor) [pid 5609] close(28) = -1 EBADF (Bad file descriptor) [pid 5609] close(29) = -1 EBADF (Bad file descriptor) [pid 5609] exit_group(0 [pid 5611] <... clone resumed>) = ? [pid 5610] <... futex resumed>) = ? [pid 5609] <... exit_group resumed>) = ? [pid 5611] +++ exited with 0 +++ [pid 5610] +++ exited with 0 +++ [pid 5609] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=518, si_uid=0, si_status=0, si_utime=10 /* 0.10 s */, si_stime=66 /* 0.66 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 522 ./strace-static-x86_64: Process 5613 attached [pid 5613] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5613] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5613] setpgid(0, 0) = 0 [pid 5613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5613] write(3, "1000", 4) = 4 [pid 5613] close(3) = 0 [pid 5613] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5613] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5613] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5613] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[523], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 523 [pid 5613] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5613] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5614 attached [pid 5614] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5614] memfd_create("syzkaller", 0) = 3 [pid 5614] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5612] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=521, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=34 /* 0.34 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5614] 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"..., 67108864) = 67108864 [pid 5614] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5614] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5614] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5614] ioctl(4, LOOP_CLR_FD) = 0 [pid 5614] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5614] close(4) = 0 [pid 5614] close(3) = 0 [pid 5614] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5613] <... futex resumed>) = 0 [pid 5613] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5613] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5614] <... futex resumed>) = 1 [pid 5614] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5613] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5613] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5613] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5613] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5613] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5613] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[524], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 524 [pid 5613] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5613] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5614] <... mmap resumed>) = 0x20000000 [pid 5614] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5614] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5615 attached [pid 5615] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5615] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5616 attached [pid 5616] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5613] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5613] close(3) = -1 EBADF (Bad file descriptor) [pid 5613] close(4) = -1 EBADF (Bad file descriptor) [pid 5613] close(5) = -1 EBADF (Bad file descriptor) [pid 5613] close(6) = -1 EBADF (Bad file descriptor) [pid 5613] close(7) = -1 EBADF (Bad file descriptor) [pid 5613] close(8) = -1 EBADF (Bad file descriptor) [pid 5613] close(9) = -1 EBADF (Bad file descriptor) [pid 5613] close(10) = -1 EBADF (Bad file descriptor) [pid 5613] close(11) = -1 EBADF (Bad file descriptor) [pid 5613] close(12) = -1 EBADF (Bad file descriptor) [pid 5613] close(13) = -1 EBADF (Bad file descriptor) [pid 5613] close(14) = -1 EBADF (Bad file descriptor) [pid 5613] close(15) = -1 EBADF (Bad file descriptor) [pid 5613] close(16) = -1 EBADF (Bad file descriptor) [pid 5613] close(17) = -1 EBADF (Bad file descriptor) [pid 5613] close(18) = -1 EBADF (Bad file descriptor) [pid 5613] close(19) = -1 EBADF (Bad file descriptor) [pid 5613] close(20) = -1 EBADF (Bad file descriptor) [pid 5613] close(21) = -1 EBADF (Bad file descriptor) [pid 5613] close(22) = -1 EBADF (Bad file descriptor) [pid 5613] close(23) = -1 EBADF (Bad file descriptor) [pid 5613] close(24) = -1 EBADF (Bad file descriptor) [pid 5613] close(25) = -1 EBADF (Bad file descriptor) [pid 5613] close(26) = -1 EBADF (Bad file descriptor) [pid 5613] close(27) = -1 EBADF (Bad file descriptor) [pid 5613] close(28) = -1 EBADF (Bad file descriptor) [pid 5613] close(29) = -1 EBADF (Bad file descriptor) [pid 5613] exit_group(0) = ? [pid 5615] <... clone resumed>) = ? [pid 5614] <... futex resumed>) = ? [pid 5615] +++ exited with 0 +++ [pid 5614] +++ exited with 0 +++ [pid 5613] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=522, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=66 /* 0.66 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 526 ./strace-static-x86_64: Process 5617 attached [pid 5617] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5617] setpgid(0, 0) = 0 [pid 5617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5617] write(3, "1000", 4) = 4 [pid 5617] close(3) = 0 [pid 5617] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5617] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5617] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5617] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[527], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 527 [pid 5617] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5617] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5618 attached [pid 5618] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5618] memfd_create("syzkaller", 0) = 3 [pid 5618] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5616] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=525, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=34 /* 0.34 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5618] 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"..., 67108864) = 67108864 [pid 5618] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5618] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5618] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5618] ioctl(4, LOOP_CLR_FD) = 0 [pid 5618] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5618] close(4) = 0 [pid 5618] close(3) = 0 [pid 5618] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5617] <... futex resumed>) = 0 [pid 5617] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5617] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5618] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5617] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5617] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5617] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5617] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5618] <... mmap resumed>) = 0x20000000 [pid 5617] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5617] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5618] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5617] <... mprotect resumed>) = 0 [pid 5617] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5618] <... futex resumed>) = 0 [pid 5617] <... clone resumed>, parent_tid=[528], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 528 [pid 5617] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5617] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5618] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5619 attached [pid 5619] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5619] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5620 attached [pid 5620] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5617] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5617] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5617] close(3) = -1 EBADF (Bad file descriptor) [pid 5617] close(4) = -1 EBADF (Bad file descriptor) [pid 5617] close(5) = -1 EBADF (Bad file descriptor) [pid 5617] close(6) = -1 EBADF (Bad file descriptor) [pid 5617] close(7) = -1 EBADF (Bad file descriptor) [pid 5617] close(8) = -1 EBADF (Bad file descriptor) [pid 5617] close(9) = -1 EBADF (Bad file descriptor) [pid 5617] close(10) = -1 EBADF (Bad file descriptor) [pid 5617] close(11) = -1 EBADF (Bad file descriptor) [pid 5617] close(12) = -1 EBADF (Bad file descriptor) [pid 5617] close(13) = -1 EBADF (Bad file descriptor) [pid 5617] close(14) = -1 EBADF (Bad file descriptor) [pid 5617] close(15) = -1 EBADF (Bad file descriptor) [pid 5617] close(16) = -1 EBADF (Bad file descriptor) [pid 5617] close(17) = -1 EBADF (Bad file descriptor) [pid 5617] close(18) = -1 EBADF (Bad file descriptor) [pid 5617] close(19) = -1 EBADF (Bad file descriptor) [pid 5617] close(20) = -1 EBADF (Bad file descriptor) [pid 5617] close(21) = -1 EBADF (Bad file descriptor) [pid 5617] close(22) = -1 EBADF (Bad file descriptor) [pid 5617] close(23) = -1 EBADF (Bad file descriptor) [pid 5617] close(24) = -1 EBADF (Bad file descriptor) [pid 5617] close(25) = -1 EBADF (Bad file descriptor) [pid 5617] close(26) = -1 EBADF (Bad file descriptor) [pid 5617] close(27) = -1 EBADF (Bad file descriptor) [pid 5617] close(28) = -1 EBADF (Bad file descriptor) [pid 5617] close(29) = -1 EBADF (Bad file descriptor) [pid 5617] exit_group(0 [pid 5619] <... clone resumed>) = ? [pid 5618] <... futex resumed>) = ? [pid 5617] <... exit_group resumed>) = ? [pid 5619] +++ exited with 0 +++ [pid 5618] +++ exited with 0 +++ [pid 5617] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=526, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=72 /* 0.72 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 530 ./strace-static-x86_64: Process 5621 attached [pid 5621] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5621] setpgid(0, 0) = 0 [pid 5621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5621] write(3, "1000", 4) = 4 [pid 5621] close(3) = 0 [pid 5621] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5621] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5621] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5621] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[531], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 531 [pid 5621] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5621] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5622 attached [pid 5622] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5622] memfd_create("syzkaller", 0) = 3 [pid 5622] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5620] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=529, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5622] 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"..., 67108864) = 67108864 [pid 5622] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5622] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5622] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5622] ioctl(4, LOOP_CLR_FD) = 0 [pid 5622] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5622] close(4) = 0 [pid 5622] close(3) = 0 [pid 5622] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5621] <... futex resumed>) = 0 [pid 5621] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5621] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5622] <... futex resumed>) = 1 [pid 5622] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5621] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5621] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5621] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5621] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5621] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[532], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 532 [pid 5621] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5621] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5622] <... mmap resumed>) = 0x20000000 [pid 5622] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5622] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5623 attached [pid 5623] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5623] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5624 attached [pid 5624] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5621] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5621] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5621] close(3) = -1 EBADF (Bad file descriptor) [pid 5621] close(4) = -1 EBADF (Bad file descriptor) [pid 5621] close(5) = -1 EBADF (Bad file descriptor) [pid 5621] close(6) = -1 EBADF (Bad file descriptor) [pid 5621] close(7) = -1 EBADF (Bad file descriptor) [pid 5621] close(8) = -1 EBADF (Bad file descriptor) [pid 5621] close(9) = -1 EBADF (Bad file descriptor) [pid 5621] close(10) = -1 EBADF (Bad file descriptor) [pid 5621] close(11) = -1 EBADF (Bad file descriptor) [pid 5621] close(12) = -1 EBADF (Bad file descriptor) [pid 5621] close(13) = -1 EBADF (Bad file descriptor) [pid 5621] close(14) = -1 EBADF (Bad file descriptor) [pid 5621] close(15) = -1 EBADF (Bad file descriptor) [pid 5621] close(16) = -1 EBADF (Bad file descriptor) [pid 5621] close(17) = -1 EBADF (Bad file descriptor) [pid 5621] close(18) = -1 EBADF (Bad file descriptor) [pid 5621] close(19) = -1 EBADF (Bad file descriptor) [pid 5621] close(20) = -1 EBADF (Bad file descriptor) [pid 5621] close(21) = -1 EBADF (Bad file descriptor) [pid 5621] close(22) = -1 EBADF (Bad file descriptor) [pid 5621] close(23) = -1 EBADF (Bad file descriptor) [pid 5621] close(24) = -1 EBADF (Bad file descriptor) [pid 5621] close(25) = -1 EBADF (Bad file descriptor) [pid 5621] close(26) = -1 EBADF (Bad file descriptor) [pid 5621] close(27) = -1 EBADF (Bad file descriptor) [pid 5621] close(28) = -1 EBADF (Bad file descriptor) [pid 5621] close(29) = -1 EBADF (Bad file descriptor) [pid 5621] exit_group(0 [pid 5623] <... clone resumed>) = ? [pid 5622] <... futex resumed>) = ? [pid 5621] <... exit_group resumed>) = ? [pid 5623] +++ exited with 0 +++ [pid 5622] +++ exited with 0 +++ [pid 5621] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=530, si_uid=0, si_status=0, si_utime=18 /* 0.18 s */, si_stime=58 /* 0.58 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 534 ./strace-static-x86_64: Process 5625 attached [pid 5625] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5625] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5625] setpgid(0, 0) = 0 [pid 5625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5625] write(3, "1000", 4) = 4 [pid 5625] close(3) = 0 [pid 5625] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5625] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5625] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5625] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[535], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 535 [pid 5625] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5625] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5626 attached [pid 5626] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5626] memfd_create("syzkaller", 0) = 3 [pid 5626] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5624] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=533, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5626] 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"..., 67108864) = 67108864 [pid 5626] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5626] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5626] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5626] ioctl(4, LOOP_CLR_FD) = 0 [pid 5626] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5626] close(4) = 0 [pid 5626] close(3) = 0 [pid 5626] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5625] <... futex resumed>) = 0 [pid 5625] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5625] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5626] <... futex resumed>) = 1 [pid 5626] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5625] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5625] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5625] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5625] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5625] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5625] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5625] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[536], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 536 [pid 5625] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5625] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5626] <... mmap resumed>) = 0x20000000 [pid 5626] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5626] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5627 attached [pid 5627] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5627] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5628 attached [pid 5628] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5625] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5625] close(3) = -1 EBADF (Bad file descriptor) [pid 5625] close(4) = -1 EBADF (Bad file descriptor) [pid 5625] close(5) = -1 EBADF (Bad file descriptor) [pid 5625] close(6) = -1 EBADF (Bad file descriptor) [pid 5625] close(7) = -1 EBADF (Bad file descriptor) [pid 5625] close(8) = -1 EBADF (Bad file descriptor) [pid 5625] close(9) = -1 EBADF (Bad file descriptor) [pid 5625] close(10) = -1 EBADF (Bad file descriptor) [pid 5625] close(11) = -1 EBADF (Bad file descriptor) [pid 5625] close(12) = -1 EBADF (Bad file descriptor) [pid 5625] close(13) = -1 EBADF (Bad file descriptor) [pid 5625] close(14) = -1 EBADF (Bad file descriptor) [pid 5625] close(15) = -1 EBADF (Bad file descriptor) [pid 5625] close(16) = -1 EBADF (Bad file descriptor) [pid 5625] close(17) = -1 EBADF (Bad file descriptor) [pid 5625] close(18) = -1 EBADF (Bad file descriptor) [pid 5625] close(19) = -1 EBADF (Bad file descriptor) [pid 5625] close(20) = -1 EBADF (Bad file descriptor) [pid 5625] close(21) = -1 EBADF (Bad file descriptor) [pid 5625] close(22) = -1 EBADF (Bad file descriptor) [pid 5625] close(23) = -1 EBADF (Bad file descriptor) [pid 5625] close(24) = -1 EBADF (Bad file descriptor) [pid 5625] close(25) = -1 EBADF (Bad file descriptor) [pid 5625] close(26) = -1 EBADF (Bad file descriptor) [pid 5625] close(27) = -1 EBADF (Bad file descriptor) [pid 5625] close(28) = -1 EBADF (Bad file descriptor) [pid 5625] close(29) = -1 EBADF (Bad file descriptor) [pid 5625] exit_group(0 [pid 5627] <... clone resumed>) = ? [pid 5626] <... futex resumed>) = ? [pid 5625] <... exit_group resumed>) = ? [pid 5627] +++ exited with 0 +++ [pid 5626] +++ exited with 0 +++ [pid 5625] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=534, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=70 /* 0.70 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 538 ./strace-static-x86_64: Process 5629 attached [pid 5629] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5629] setpgid(0, 0) = 0 [pid 5629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5629] write(3, "1000", 4) = 4 [pid 5629] close(3) = 0 [pid 5629] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5629] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5629] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5629] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[539], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 539 [pid 5629] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5629] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5630 attached [pid 5630] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5630] memfd_create("syzkaller", 0) = 3 [pid 5630] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5628] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=537, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5630] 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"..., 67108864) = 67108864 [pid 5630] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5630] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5630] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5630] ioctl(4, LOOP_CLR_FD) = 0 [pid 5630] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5630] close(4) = 0 [pid 5630] close(3) = 0 [pid 5630] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5629] <... futex resumed>) = 0 [pid 5629] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5629] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5630] <... futex resumed>) = 1 [pid 5630] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5629] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5629] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5629] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5629] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5629] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[540], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 540 [pid 5629] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5629] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5630] <... mmap resumed>) = 0x20000000 [pid 5630] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5630] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5631 attached [pid 5631] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5631] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5632 attached [pid 5632] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5629] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5629] close(3) = -1 EBADF (Bad file descriptor) [pid 5629] close(4) = -1 EBADF (Bad file descriptor) [pid 5629] close(5) = -1 EBADF (Bad file descriptor) [pid 5629] close(6) = -1 EBADF (Bad file descriptor) [pid 5629] close(7) = -1 EBADF (Bad file descriptor) [pid 5629] close(8) = -1 EBADF (Bad file descriptor) [pid 5629] close(9) = -1 EBADF (Bad file descriptor) [pid 5629] close(10) = -1 EBADF (Bad file descriptor) [pid 5629] close(11) = -1 EBADF (Bad file descriptor) [pid 5629] close(12) = -1 EBADF (Bad file descriptor) [pid 5629] close(13) = -1 EBADF (Bad file descriptor) [pid 5629] close(14) = -1 EBADF (Bad file descriptor) [pid 5629] close(15) = -1 EBADF (Bad file descriptor) [pid 5629] close(16) = -1 EBADF (Bad file descriptor) [pid 5629] close(17) = -1 EBADF (Bad file descriptor) [pid 5629] close(18) = -1 EBADF (Bad file descriptor) [pid 5629] close(19) = -1 EBADF (Bad file descriptor) [pid 5629] close(20) = -1 EBADF (Bad file descriptor) [pid 5629] close(21) = -1 EBADF (Bad file descriptor) [pid 5629] close(22) = -1 EBADF (Bad file descriptor) [pid 5629] close(23) = -1 EBADF (Bad file descriptor) [pid 5629] close(24) = -1 EBADF (Bad file descriptor) [pid 5629] close(25) = -1 EBADF (Bad file descriptor) [pid 5629] close(26) = -1 EBADF (Bad file descriptor) [pid 5629] close(27) = -1 EBADF (Bad file descriptor) [pid 5629] close(28) = -1 EBADF (Bad file descriptor) [pid 5629] close(29) = -1 EBADF (Bad file descriptor) [pid 5629] exit_group(0 [pid 5631] <... clone resumed>) = ? [pid 5630] <... futex resumed>) = ? [pid 5629] <... exit_group resumed>) = ? [pid 5631] +++ exited with 0 +++ [pid 5630] +++ exited with 0 +++ [pid 5629] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=538, si_uid=0, si_status=0, si_utime=19 /* 0.19 s */, si_stime=63 /* 0.63 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 542 ./strace-static-x86_64: Process 5633 attached [pid 5633] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5633] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5633] setpgid(0, 0) = 0 [pid 5633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5633] write(3, "1000", 4) = 4 [pid 5633] close(3) = 0 [pid 5633] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5633] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5633] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5633] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[543], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 543 [pid 5633] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5633] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5634 attached [pid 5634] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5634] memfd_create("syzkaller", 0) = 3 [pid 5634] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5632] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=541, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5634] 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"..., 67108864) = 67108864 [pid 5634] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5634] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5634] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5634] ioctl(4, LOOP_CLR_FD) = 0 [pid 5634] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5634] close(4) = 0 [pid 5634] close(3) = 0 [pid 5634] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5633] <... futex resumed>) = 0 [pid 5633] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5633] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5634] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5633] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5633] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5633] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5633] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5634] <... mmap resumed>) = 0x20000000 [pid 5633] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5633] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5633] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5634] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5633] <... clone resumed>, parent_tid=[544], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 544 [pid 5633] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5633] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5634] <... futex resumed>) = 0 [pid 5634] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5635 attached [pid 5635] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5635] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5636 attached [pid 5636] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5633] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5633] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5633] close(3) = -1 EBADF (Bad file descriptor) [pid 5633] close(4) = -1 EBADF (Bad file descriptor) [pid 5633] close(5) = -1 EBADF (Bad file descriptor) [pid 5633] close(6) = -1 EBADF (Bad file descriptor) [pid 5633] close(7) = -1 EBADF (Bad file descriptor) [pid 5633] close(8) = -1 EBADF (Bad file descriptor) [pid 5633] close(9) = -1 EBADF (Bad file descriptor) [pid 5633] close(10) = -1 EBADF (Bad file descriptor) [pid 5633] close(11) = -1 EBADF (Bad file descriptor) [pid 5633] close(12) = -1 EBADF (Bad file descriptor) [pid 5633] close(13) = -1 EBADF (Bad file descriptor) [pid 5633] close(14) = -1 EBADF (Bad file descriptor) [pid 5633] close(15) = -1 EBADF (Bad file descriptor) [pid 5633] close(16) = -1 EBADF (Bad file descriptor) [pid 5633] close(17) = -1 EBADF (Bad file descriptor) [pid 5633] close(18) = -1 EBADF (Bad file descriptor) [pid 5633] close(19) = -1 EBADF (Bad file descriptor) [pid 5633] close(20) = -1 EBADF (Bad file descriptor) [pid 5633] close(21) = -1 EBADF (Bad file descriptor) [pid 5633] close(22) = -1 EBADF (Bad file descriptor) [pid 5633] close(23) = -1 EBADF (Bad file descriptor) [pid 5633] close(24) = -1 EBADF (Bad file descriptor) [pid 5633] close(25) = -1 EBADF (Bad file descriptor) [pid 5633] close(26) = -1 EBADF (Bad file descriptor) [pid 5633] close(27) = -1 EBADF (Bad file descriptor) [pid 5633] close(28) = -1 EBADF (Bad file descriptor) [pid 5633] close(29) = -1 EBADF (Bad file descriptor) [pid 5633] exit_group(0) = ? [pid 5634] <... futex resumed>) = ? [pid 5635] <... clone resumed>) = ? [pid 5634] +++ exited with 0 +++ [pid 5635] +++ exited with 0 +++ [pid 5633] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=542, si_uid=0, si_status=0, si_utime=18 /* 0.18 s */, si_stime=61 /* 0.61 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 546 ./strace-static-x86_64: Process 5637 attached [pid 5637] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5637] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5637] setpgid(0, 0) = 0 [pid 5637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5637] write(3, "1000", 4) = 4 [pid 5637] close(3) = 0 [pid 5637] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5637] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5637] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5637] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[547], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 547 [pid 5637] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5637] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5638 attached [pid 5638] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5638] memfd_create("syzkaller", 0) = 3 [pid 5638] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5636] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=545, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [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"..., 67108864) = 67108864 [pid 5638] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5638] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5638] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5638] ioctl(4, LOOP_CLR_FD) = 0 [pid 5638] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5638] close(4) = 0 [pid 5638] close(3) = 0 [pid 5638] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5637] <... futex resumed>) = 0 [pid 5637] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5637] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5638] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5637] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5637] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5637] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5637] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5638] <... mmap resumed>) = 0x20000000 [pid 5637] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5637] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5637] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5638] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5637] <... clone resumed>, parent_tid=[548], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 548 [pid 5637] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5637] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5638] <... futex resumed>) = 0 [pid 5638] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5639 attached [pid 5639] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5639] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5640 attached [pid 5640] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5637] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5637] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5637] close(3) = -1 EBADF (Bad file descriptor) [pid 5637] close(4) = -1 EBADF (Bad file descriptor) [pid 5637] close(5) = -1 EBADF (Bad file descriptor) [pid 5637] close(6) = -1 EBADF (Bad file descriptor) [pid 5637] close(7) = -1 EBADF (Bad file descriptor) [pid 5637] close(8) = -1 EBADF (Bad file descriptor) [pid 5637] close(9) = -1 EBADF (Bad file descriptor) [pid 5637] close(10) = -1 EBADF (Bad file descriptor) [pid 5637] close(11) = -1 EBADF (Bad file descriptor) [pid 5637] close(12) = -1 EBADF (Bad file descriptor) [pid 5637] close(13) = -1 EBADF (Bad file descriptor) [pid 5637] close(14) = -1 EBADF (Bad file descriptor) [pid 5637] close(15) = -1 EBADF (Bad file descriptor) [pid 5637] close(16) = -1 EBADF (Bad file descriptor) [pid 5637] close(17) = -1 EBADF (Bad file descriptor) [pid 5637] close(18) = -1 EBADF (Bad file descriptor) [pid 5637] close(19) = -1 EBADF (Bad file descriptor) [pid 5637] close(20) = -1 EBADF (Bad file descriptor) [pid 5637] close(21) = -1 EBADF (Bad file descriptor) [pid 5637] close(22) = -1 EBADF (Bad file descriptor) [pid 5637] close(23) = -1 EBADF (Bad file descriptor) [pid 5637] close(24) = -1 EBADF (Bad file descriptor) [pid 5637] close(25) = -1 EBADF (Bad file descriptor) [pid 5637] close(26) = -1 EBADF (Bad file descriptor) [pid 5637] close(27) = -1 EBADF (Bad file descriptor) [pid 5637] close(28) = -1 EBADF (Bad file descriptor) [pid 5637] close(29) = -1 EBADF (Bad file descriptor) [pid 5637] exit_group(0 [pid 5639] <... clone resumed>) = ? [pid 5638] <... futex resumed>) = ? [pid 5637] <... exit_group resumed>) = ? [pid 5639] +++ exited with 0 +++ [pid 5638] +++ exited with 0 +++ [pid 5637] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=546, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=63 /* 0.63 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 550 ./strace-static-x86_64: Process 5641 attached [pid 5641] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5641] setpgid(0, 0) = 0 [pid 5641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5641] write(3, "1000", 4) = 4 [pid 5641] close(3) = 0 [pid 5641] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5641] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5641] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5641] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[551], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 551 [pid 5641] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5641] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5642 attached [pid 5642] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5642] memfd_create("syzkaller", 0) = 3 [pid 5642] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5640] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=549, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5642] 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"..., 67108864) = 67108864 [pid 5642] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5642] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5642] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5642] ioctl(4, LOOP_CLR_FD) = 0 [pid 5642] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5642] close(4) = 0 [pid 5642] close(3) = 0 [pid 5642] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5641] <... futex resumed>) = 0 [pid 5641] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5641] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5642] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5641] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5641] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5641] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5641] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5642] <... mmap resumed>) = 0x20000000 [pid 5641] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5641] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5642] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5641] <... mprotect resumed>) = 0 [pid 5641] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[552], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 552 [pid 5641] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5641] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5642] <... futex resumed>) = 0 [pid 5642] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5643 attached [pid 5643] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5643] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5644 attached [pid 5644] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5641] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5641] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5641] close(3) = -1 EBADF (Bad file descriptor) [pid 5641] close(4) = -1 EBADF (Bad file descriptor) [pid 5641] close(5) = -1 EBADF (Bad file descriptor) [pid 5641] close(6) = -1 EBADF (Bad file descriptor) [pid 5641] close(7) = -1 EBADF (Bad file descriptor) [pid 5641] close(8) = -1 EBADF (Bad file descriptor) [pid 5641] close(9) = -1 EBADF (Bad file descriptor) [pid 5641] close(10) = -1 EBADF (Bad file descriptor) [pid 5641] close(11) = -1 EBADF (Bad file descriptor) [pid 5641] close(12) = -1 EBADF (Bad file descriptor) [pid 5641] close(13) = -1 EBADF (Bad file descriptor) [pid 5641] close(14) = -1 EBADF (Bad file descriptor) [pid 5641] close(15) = -1 EBADF (Bad file descriptor) [pid 5641] close(16) = -1 EBADF (Bad file descriptor) [pid 5641] close(17) = -1 EBADF (Bad file descriptor) [pid 5641] close(18) = -1 EBADF (Bad file descriptor) [pid 5641] close(19) = -1 EBADF (Bad file descriptor) [pid 5641] close(20) = -1 EBADF (Bad file descriptor) [pid 5641] close(21) = -1 EBADF (Bad file descriptor) [pid 5641] close(22) = -1 EBADF (Bad file descriptor) [pid 5641] close(23) = -1 EBADF (Bad file descriptor) [pid 5641] close(24) = -1 EBADF (Bad file descriptor) [pid 5641] close(25) = -1 EBADF (Bad file descriptor) [pid 5641] close(26) = -1 EBADF (Bad file descriptor) [pid 5641] close(27) = -1 EBADF (Bad file descriptor) [pid 5641] close(28) = -1 EBADF (Bad file descriptor) [pid 5641] close(29) = -1 EBADF (Bad file descriptor) [pid 5641] exit_group(0 [pid 5643] <... clone resumed>) = ? [pid 5642] <... futex resumed>) = ? [pid 5641] <... exit_group resumed>) = ? [pid 5643] +++ exited with 0 +++ [pid 5642] +++ exited with 0 +++ [pid 5641] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=550, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=71 /* 0.71 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 554 ./strace-static-x86_64: Process 5645 attached [pid 5645] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5645] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5645] setpgid(0, 0) = 0 [pid 5645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5645] write(3, "1000", 4) = 4 [pid 5645] close(3) = 0 [pid 5645] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5645] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5645] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5645] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[555], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 555 [pid 5645] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5645] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5646 attached [pid 5646] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5646] memfd_create("syzkaller", 0) = 3 [pid 5646] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5646] 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"..., 67108864 [pid 5644] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=553, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=34 /* 0.34 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5646] <... write resumed>) = 67108864 [pid 5646] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5646] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5646] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5646] ioctl(4, LOOP_CLR_FD) = 0 [pid 5646] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5646] close(4) = 0 [pid 5646] close(3) = 0 [pid 5646] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5645] <... futex resumed>) = 0 [pid 5645] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5645] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5646] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5645] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5645] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5645] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5645] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5646] <... mmap resumed>) = 0x20000000 [pid 5645] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5645] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5646] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5645] <... mprotect resumed>) = 0 [pid 5645] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5646] <... futex resumed>) = 0 [pid 5645] <... clone resumed>, parent_tid=[556], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 556 [pid 5645] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5645] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5646] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5647 attached [pid 5647] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5647] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5648 attached [pid 5648] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5645] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5645] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5645] close(3) = -1 EBADF (Bad file descriptor) [pid 5645] close(4) = -1 EBADF (Bad file descriptor) [pid 5645] close(5) = -1 EBADF (Bad file descriptor) [pid 5645] close(6) = -1 EBADF (Bad file descriptor) [pid 5645] close(7) = -1 EBADF (Bad file descriptor) [pid 5645] close(8) = -1 EBADF (Bad file descriptor) [pid 5645] close(9) = -1 EBADF (Bad file descriptor) [pid 5645] close(10) = -1 EBADF (Bad file descriptor) [pid 5645] close(11) = -1 EBADF (Bad file descriptor) [pid 5645] close(12) = -1 EBADF (Bad file descriptor) [pid 5645] close(13) = -1 EBADF (Bad file descriptor) [pid 5645] close(14) = -1 EBADF (Bad file descriptor) [pid 5645] close(15) = -1 EBADF (Bad file descriptor) [pid 5645] close(16) = -1 EBADF (Bad file descriptor) [pid 5645] close(17) = -1 EBADF (Bad file descriptor) [pid 5645] close(18) = -1 EBADF (Bad file descriptor) [pid 5645] close(19) = -1 EBADF (Bad file descriptor) [pid 5645] close(20) = -1 EBADF (Bad file descriptor) [pid 5645] close(21) = -1 EBADF (Bad file descriptor) [pid 5645] close(22) = -1 EBADF (Bad file descriptor) [pid 5645] close(23) = -1 EBADF (Bad file descriptor) [pid 5645] close(24) = -1 EBADF (Bad file descriptor) [pid 5645] close(25) = -1 EBADF (Bad file descriptor) [pid 5645] close(26) = -1 EBADF (Bad file descriptor) [pid 5645] close(27) = -1 EBADF (Bad file descriptor) [pid 5645] close(28) = -1 EBADF (Bad file descriptor) [pid 5645] close(29) = -1 EBADF (Bad file descriptor) [pid 5645] exit_group(0 [pid 5647] <... clone resumed>) = ? [pid 5646] <... futex resumed>) = ? [pid 5645] <... exit_group resumed>) = ? [pid 5647] +++ exited with 0 +++ [pid 5646] +++ exited with 0 +++ [pid 5645] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=554, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=71 /* 0.71 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 558 ./strace-static-x86_64: Process 5649 attached [pid 5649] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5649] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5649] setpgid(0, 0) = 0 [pid 5649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5649] write(3, "1000", 4) = 4 [pid 5649] close(3) = 0 [pid 5649] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5649] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5649] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5649] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[559], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 559 [pid 5649] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5649] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5650 attached [pid 5650] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5650] memfd_create("syzkaller", 0) = 3 [pid 5650] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5648] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=557, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=41 /* 0.41 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5650] 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"..., 67108864) = 67108864 [pid 5650] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5650] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5650] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5650] ioctl(4, LOOP_CLR_FD) = 0 [pid 5650] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5650] close(4) = 0 [pid 5650] close(3) = 0 [pid 5650] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5649] <... futex resumed>) = 0 [pid 5649] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5649] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5650] <... futex resumed>) = 1 [pid 5650] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5649] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5649] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5649] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5649] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5649] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[560], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 560 [pid 5649] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5649] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5650] <... mmap resumed>) = 0x20000000 [pid 5650] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5650] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5651 attached [pid 5651] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5651] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5652 attached [pid 5652] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5649] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5649] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5649] close(3) = -1 EBADF (Bad file descriptor) [pid 5649] close(4) = -1 EBADF (Bad file descriptor) [pid 5649] close(5) = -1 EBADF (Bad file descriptor) [pid 5649] close(6) = -1 EBADF (Bad file descriptor) [pid 5649] close(7) = -1 EBADF (Bad file descriptor) [pid 5649] close(8) = -1 EBADF (Bad file descriptor) [pid 5649] close(9) = -1 EBADF (Bad file descriptor) [pid 5649] close(10) = -1 EBADF (Bad file descriptor) [pid 5649] close(11) = -1 EBADF (Bad file descriptor) [pid 5649] close(12) = -1 EBADF (Bad file descriptor) [pid 5649] close(13) = -1 EBADF (Bad file descriptor) [pid 5649] close(14) = -1 EBADF (Bad file descriptor) [pid 5649] close(15) = -1 EBADF (Bad file descriptor) [pid 5649] close(16) = -1 EBADF (Bad file descriptor) [pid 5649] close(17) = -1 EBADF (Bad file descriptor) [pid 5649] close(18) = -1 EBADF (Bad file descriptor) [pid 5649] close(19) = -1 EBADF (Bad file descriptor) [pid 5649] close(20) = -1 EBADF (Bad file descriptor) [pid 5649] close(21) = -1 EBADF (Bad file descriptor) [pid 5649] close(22) = -1 EBADF (Bad file descriptor) [pid 5649] close(23) = -1 EBADF (Bad file descriptor) [pid 5649] close(24) = -1 EBADF (Bad file descriptor) [pid 5649] close(25) = -1 EBADF (Bad file descriptor) [pid 5649] close(26) = -1 EBADF (Bad file descriptor) [pid 5649] close(27) = -1 EBADF (Bad file descriptor) [pid 5649] close(28) = -1 EBADF (Bad file descriptor) [pid 5649] close(29) = -1 EBADF (Bad file descriptor) [pid 5649] exit_group(0 [pid 5651] <... clone resumed>) = ? [pid 5650] <... futex resumed>) = ? [pid 5649] <... exit_group resumed>) = ? [pid 5651] +++ exited with 0 +++ [pid 5650] +++ exited with 0 +++ [pid 5649] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=558, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=68 /* 0.68 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 562 ./strace-static-x86_64: Process 5653 attached [pid 5653] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5653] setpgid(0, 0) = 0 [pid 5653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5653] write(3, "1000", 4) = 4 [pid 5653] close(3) = 0 [pid 5653] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5653] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5653] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5653] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[563], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 563 [pid 5653] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5653] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5654 attached [pid 5654] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5654] memfd_create("syzkaller", 0) = 3 [pid 5654] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5652] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=561, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5654] 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"..., 67108864) = 67108864 [pid 5654] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5654] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5654] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5654] ioctl(4, LOOP_CLR_FD) = 0 [pid 5654] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5654] close(4) = 0 [pid 5654] close(3) = 0 [pid 5654] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5653] <... futex resumed>) = 0 [pid 5653] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5653] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5654] <... futex resumed>) = 1 [pid 5654] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5653] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5653] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5653] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5653] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5653] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[564], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 564 [pid 5653] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5653] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5654] <... mmap resumed>) = 0x20000000 [pid 5654] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5654] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5655 attached [pid 5655] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5655] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5656 attached [pid 5656] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5653] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5653] close(3) = -1 EBADF (Bad file descriptor) [pid 5653] close(4) = -1 EBADF (Bad file descriptor) [pid 5653] close(5) = -1 EBADF (Bad file descriptor) [pid 5653] close(6) = -1 EBADF (Bad file descriptor) [pid 5653] close(7) = -1 EBADF (Bad file descriptor) [pid 5653] close(8) = -1 EBADF (Bad file descriptor) [pid 5653] close(9) = -1 EBADF (Bad file descriptor) [pid 5653] close(10) = -1 EBADF (Bad file descriptor) [pid 5653] close(11) = -1 EBADF (Bad file descriptor) [pid 5653] close(12) = -1 EBADF (Bad file descriptor) [pid 5653] close(13) = -1 EBADF (Bad file descriptor) [pid 5653] close(14) = -1 EBADF (Bad file descriptor) [pid 5653] close(15) = -1 EBADF (Bad file descriptor) [pid 5653] close(16) = -1 EBADF (Bad file descriptor) [pid 5653] close(17) = -1 EBADF (Bad file descriptor) [pid 5653] close(18) = -1 EBADF (Bad file descriptor) [pid 5653] close(19) = -1 EBADF (Bad file descriptor) [pid 5653] close(20) = -1 EBADF (Bad file descriptor) [pid 5653] close(21) = -1 EBADF (Bad file descriptor) [pid 5653] close(22) = -1 EBADF (Bad file descriptor) [pid 5653] close(23) = -1 EBADF (Bad file descriptor) [pid 5653] close(24) = -1 EBADF (Bad file descriptor) [pid 5653] close(25) = -1 EBADF (Bad file descriptor) [pid 5653] close(26) = -1 EBADF (Bad file descriptor) [pid 5653] close(27) = -1 EBADF (Bad file descriptor) [pid 5653] close(28) = -1 EBADF (Bad file descriptor) [pid 5653] close(29) = -1 EBADF (Bad file descriptor) [pid 5653] exit_group(0 [pid 5655] <... clone resumed>) = ? [pid 5654] <... futex resumed>) = ? [pid 5653] <... exit_group resumed>) = ? [pid 5655] +++ exited with 0 +++ [pid 5654] +++ exited with 0 +++ [pid 5653] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=562, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=72 /* 0.72 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 566 ./strace-static-x86_64: Process 5657 attached [pid 5657] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5657] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5657] setpgid(0, 0) = 0 [pid 5657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5657] write(3, "1000", 4) = 4 [pid 5657] close(3) = 0 [pid 5657] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5657] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5657] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5657] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[567], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 567 [pid 5657] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5657] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5658 attached [pid 5658] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5658] memfd_create("syzkaller", 0) = 3 [pid 5658] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5656] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=565, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=42 /* 0.42 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [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"..., 67108864) = 67108864 [pid 5658] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5658] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5658] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5658] ioctl(4, LOOP_CLR_FD) = 0 [pid 5658] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5658] close(4) = 0 [pid 5658] close(3) = 0 [pid 5658] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5657] <... futex resumed>) = 0 [pid 5657] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5657] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5658] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5657] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5657] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5657] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5657] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5658] <... mmap resumed>) = 0x20000000 [pid 5657] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5657] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5658] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5657] <... mprotect resumed>) = 0 [pid 5657] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[568], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 568 [pid 5657] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5657] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5658] <... futex resumed>) = 0 [pid 5658] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5659 attached [pid 5659] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5659] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5660 attached [pid 5660] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5657] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5657] close(3) = -1 EBADF (Bad file descriptor) [pid 5657] close(4) = -1 EBADF (Bad file descriptor) [pid 5657] close(5) = -1 EBADF (Bad file descriptor) [pid 5657] close(6) = -1 EBADF (Bad file descriptor) [pid 5657] close(7) = -1 EBADF (Bad file descriptor) [pid 5657] close(8) = -1 EBADF (Bad file descriptor) [pid 5657] close(9) = -1 EBADF (Bad file descriptor) [pid 5657] close(10) = -1 EBADF (Bad file descriptor) [pid 5657] close(11) = -1 EBADF (Bad file descriptor) [pid 5657] close(12) = -1 EBADF (Bad file descriptor) [pid 5657] close(13) = -1 EBADF (Bad file descriptor) [pid 5657] close(14) = -1 EBADF (Bad file descriptor) [pid 5657] close(15) = -1 EBADF (Bad file descriptor) [pid 5657] close(16) = -1 EBADF (Bad file descriptor) [pid 5657] close(17) = -1 EBADF (Bad file descriptor) [pid 5657] close(18) = -1 EBADF (Bad file descriptor) [pid 5657] close(19) = -1 EBADF (Bad file descriptor) [pid 5657] close(20) = -1 EBADF (Bad file descriptor) [pid 5657] close(21) = -1 EBADF (Bad file descriptor) [pid 5657] close(22) = -1 EBADF (Bad file descriptor) [pid 5657] close(23) = -1 EBADF (Bad file descriptor) [pid 5657] close(24) = -1 EBADF (Bad file descriptor) [pid 5657] close(25) = -1 EBADF (Bad file descriptor) [pid 5657] close(26) = -1 EBADF (Bad file descriptor) [pid 5657] close(27) = -1 EBADF (Bad file descriptor) [pid 5657] close(28) = -1 EBADF (Bad file descriptor) [pid 5657] close(29) = -1 EBADF (Bad file descriptor) [pid 5657] exit_group(0 [pid 5659] <... clone resumed>) = ? [pid 5658] <... futex resumed>) = ? [pid 5657] <... exit_group resumed>) = ? [pid 5659] +++ exited with 0 +++ [pid 5658] +++ exited with 0 +++ [pid 5657] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=566, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=67 /* 0.67 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 570 ./strace-static-x86_64: Process 5661 attached [pid 5661] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5661] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5661] setpgid(0, 0) = 0 [pid 5661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5661] write(3, "1000", 4) = 4 [pid 5661] close(3) = 0 [pid 5661] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5661] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5661] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5661] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[571], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 571 [pid 5661] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5661] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5662 attached [pid 5662] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5662] memfd_create("syzkaller", 0) = 3 [pid 5662] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5662] 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"..., 67108864 [pid 5660] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=569, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5662] <... write resumed>) = 67108864 [pid 5662] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5662] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5662] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5662] ioctl(4, LOOP_CLR_FD) = 0 [pid 5662] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5662] close(4) = 0 [pid 5662] close(3) = 0 [pid 5662] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5661] <... futex resumed>) = 0 [pid 5661] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5661] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5662] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5661] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5661] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5661] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5662] <... mmap resumed>) = 0x20000000 [pid 5661] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5661] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5661] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[572], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 572 [pid 5661] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5661] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5662] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5662] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5663 attached [pid 5663] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5663] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5664 attached [pid 5664] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5661] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5661] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5661] close(3) = -1 EBADF (Bad file descriptor) [pid 5661] close(4) = -1 EBADF (Bad file descriptor) [pid 5661] close(5) = -1 EBADF (Bad file descriptor) [pid 5661] close(6) = -1 EBADF (Bad file descriptor) [pid 5661] close(7) = -1 EBADF (Bad file descriptor) [pid 5661] close(8) = -1 EBADF (Bad file descriptor) [pid 5661] close(9) = -1 EBADF (Bad file descriptor) [pid 5661] close(10) = -1 EBADF (Bad file descriptor) [pid 5661] close(11) = -1 EBADF (Bad file descriptor) [pid 5661] close(12) = -1 EBADF (Bad file descriptor) [pid 5661] close(13) = -1 EBADF (Bad file descriptor) [pid 5661] close(14) = -1 EBADF (Bad file descriptor) [pid 5661] close(15) = -1 EBADF (Bad file descriptor) [pid 5661] close(16) = -1 EBADF (Bad file descriptor) [pid 5661] close(17) = -1 EBADF (Bad file descriptor) [pid 5661] close(18) = -1 EBADF (Bad file descriptor) [pid 5661] close(19) = -1 EBADF (Bad file descriptor) [pid 5661] close(20) = -1 EBADF (Bad file descriptor) [pid 5661] close(21) = -1 EBADF (Bad file descriptor) [pid 5661] close(22) = -1 EBADF (Bad file descriptor) [pid 5661] close(23) = -1 EBADF (Bad file descriptor) [pid 5661] close(24) = -1 EBADF (Bad file descriptor) [pid 5661] close(25) = -1 EBADF (Bad file descriptor) [pid 5661] close(26) = -1 EBADF (Bad file descriptor) [pid 5661] close(27) = -1 EBADF (Bad file descriptor) [pid 5661] close(28) = -1 EBADF (Bad file descriptor) [pid 5661] close(29) = -1 EBADF (Bad file descriptor) [pid 5661] exit_group(0 [pid 5663] <... clone resumed>) = ? [pid 5662] <... futex resumed>) = ? [pid 5661] <... exit_group resumed>) = ? [pid 5663] +++ exited with 0 +++ [pid 5662] +++ exited with 0 +++ [pid 5661] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=570, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=62 /* 0.62 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 574 ./strace-static-x86_64: Process 5665 attached [pid 5665] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5665] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5665] setpgid(0, 0) = 0 [pid 5665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5665] write(3, "1000", 4) = 4 [pid 5665] close(3) = 0 [pid 5665] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5665] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5665] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5665] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[575], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 575 [pid 5665] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5665] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5666 attached [pid 5666] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5666] memfd_create("syzkaller", 0) = 3 [pid 5666] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5664] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=573, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5666] 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"..., 67108864) = 67108864 [pid 5666] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5666] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5666] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5666] ioctl(4, LOOP_CLR_FD) = 0 [pid 5666] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5666] close(4) = 0 [pid 5666] close(3) = 0 [pid 5666] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5665] <... futex resumed>) = 0 [pid 5665] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5665] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5666] <... futex resumed>) = 1 [pid 5666] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5665] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5665] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5665] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5665] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5665] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5665] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[576], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 576 [pid 5665] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5665] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5666] <... mmap resumed>) = 0x20000000 [pid 5666] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5666] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5667 attached [pid 5667] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5667] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5668 attached [pid 5668] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5665] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5665] close(3) = -1 EBADF (Bad file descriptor) [pid 5665] close(4) = -1 EBADF (Bad file descriptor) [pid 5665] close(5) = -1 EBADF (Bad file descriptor) [pid 5665] close(6) = -1 EBADF (Bad file descriptor) [pid 5665] close(7) = -1 EBADF (Bad file descriptor) [pid 5665] close(8) = -1 EBADF (Bad file descriptor) [pid 5665] close(9) = -1 EBADF (Bad file descriptor) [pid 5665] close(10) = -1 EBADF (Bad file descriptor) [pid 5665] close(11) = -1 EBADF (Bad file descriptor) [pid 5665] close(12) = -1 EBADF (Bad file descriptor) [pid 5665] close(13) = -1 EBADF (Bad file descriptor) [pid 5665] close(14) = -1 EBADF (Bad file descriptor) [pid 5665] close(15) = -1 EBADF (Bad file descriptor) [pid 5665] close(16) = -1 EBADF (Bad file descriptor) [pid 5665] close(17) = -1 EBADF (Bad file descriptor) [pid 5665] close(18) = -1 EBADF (Bad file descriptor) [pid 5665] close(19) = -1 EBADF (Bad file descriptor) [pid 5665] close(20) = -1 EBADF (Bad file descriptor) [pid 5665] close(21) = -1 EBADF (Bad file descriptor) [pid 5665] close(22) = -1 EBADF (Bad file descriptor) [pid 5665] close(23) = -1 EBADF (Bad file descriptor) [pid 5665] close(24) = -1 EBADF (Bad file descriptor) [pid 5665] close(25) = -1 EBADF (Bad file descriptor) [pid 5665] close(26) = -1 EBADF (Bad file descriptor) [pid 5665] close(27) = -1 EBADF (Bad file descriptor) [pid 5665] close(28) = -1 EBADF (Bad file descriptor) [pid 5665] close(29) = -1 EBADF (Bad file descriptor) [pid 5665] exit_group(0 [pid 5667] <... clone resumed>) = ? [pid 5666] <... futex resumed>) = ? [pid 5665] <... exit_group resumed>) = ? [pid 5667] +++ exited with 0 +++ [pid 5666] +++ exited with 0 +++ [pid 5665] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=574, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=67 /* 0.67 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 578 ./strace-static-x86_64: Process 5669 attached [pid 5669] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5669] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5669] setpgid(0, 0) = 0 [pid 5669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5669] write(3, "1000", 4) = 4 [pid 5669] close(3) = 0 [pid 5669] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5669] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5669] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5669] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[579], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 579 [pid 5669] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5669] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5670 attached [pid 5670] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5670] memfd_create("syzkaller", 0) = 3 [pid 5670] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5668] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=577, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5670] 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"..., 67108864) = 67108864 [pid 5670] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5670] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5670] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5670] ioctl(4, LOOP_CLR_FD) = 0 [pid 5670] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5670] close(4) = 0 [pid 5670] close(3) = 0 [pid 5670] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5669] <... futex resumed>) = 0 [pid 5669] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5669] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5670] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5669] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5669] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5669] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5669] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5670] <... mmap resumed>) = 0x20000000 [pid 5669] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5669] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5670] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5669] <... mprotect resumed>) = 0 [pid 5669] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5670] <... futex resumed>) = 0 [pid 5669] <... clone resumed>, parent_tid=[580], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 580 [pid 5669] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5669] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5670] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5671 attached [pid 5671] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5671] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5672 attached [pid 5672] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5669] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5669] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5669] close(3) = -1 EBADF (Bad file descriptor) [pid 5669] close(4) = -1 EBADF (Bad file descriptor) [pid 5669] close(5) = -1 EBADF (Bad file descriptor) [pid 5669] close(6) = -1 EBADF (Bad file descriptor) [pid 5669] close(7) = -1 EBADF (Bad file descriptor) [pid 5669] close(8) = -1 EBADF (Bad file descriptor) [pid 5669] close(9) = -1 EBADF (Bad file descriptor) [pid 5669] close(10) = -1 EBADF (Bad file descriptor) [pid 5669] close(11) = -1 EBADF (Bad file descriptor) [pid 5669] close(12) = -1 EBADF (Bad file descriptor) [pid 5669] close(13) = -1 EBADF (Bad file descriptor) [pid 5669] close(14) = -1 EBADF (Bad file descriptor) [pid 5669] close(15) = -1 EBADF (Bad file descriptor) [pid 5669] close(16) = -1 EBADF (Bad file descriptor) [pid 5669] close(17) = -1 EBADF (Bad file descriptor) [pid 5669] close(18) = -1 EBADF (Bad file descriptor) [pid 5669] close(19) = -1 EBADF (Bad file descriptor) [pid 5669] close(20) = -1 EBADF (Bad file descriptor) [pid 5669] close(21) = -1 EBADF (Bad file descriptor) [pid 5669] close(22) = -1 EBADF (Bad file descriptor) [pid 5669] close(23) = -1 EBADF (Bad file descriptor) [pid 5669] close(24) = -1 EBADF (Bad file descriptor) [pid 5669] close(25) = -1 EBADF (Bad file descriptor) [pid 5669] close(26) = -1 EBADF (Bad file descriptor) [pid 5669] close(27) = -1 EBADF (Bad file descriptor) [pid 5669] close(28) = -1 EBADF (Bad file descriptor) [pid 5669] close(29) = -1 EBADF (Bad file descriptor) [pid 5669] exit_group(0 [pid 5671] <... clone resumed>) = ? [pid 5670] <... futex resumed>) = ? [pid 5669] <... exit_group resumed>) = ? [pid 5671] +++ exited with 0 +++ [pid 5670] +++ exited with 0 +++ [pid 5669] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=578, si_uid=0, si_status=0, si_utime=19 /* 0.19 s */, si_stime=67 /* 0.67 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 582 ./strace-static-x86_64: Process 5673 attached [pid 5673] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5673] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5673] setpgid(0, 0) = 0 [pid 5673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5673] write(3, "1000", 4) = 4 [pid 5673] close(3) = 0 [pid 5673] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5673] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5673] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5673] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[583], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 583 [pid 5673] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5673] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5674 attached [pid 5674] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5674] memfd_create("syzkaller", 0) = 3 [pid 5674] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5674] 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"..., 67108864 [pid 5672] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=581, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=41 /* 0.41 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5674] <... write resumed>) = 67108864 [pid 5674] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5674] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5674] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5674] ioctl(4, LOOP_CLR_FD) = 0 [pid 5674] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5674] close(4) = 0 [pid 5674] close(3) = 0 [pid 5674] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5673] <... futex resumed>) = 0 [pid 5673] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5673] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5674] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5673] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5673] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5673] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5673] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5674] <... mmap resumed>) = 0x20000000 [pid 5673] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5673] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5673] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[584], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 584 [pid 5673] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5673] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5674] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5674] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5675 attached [pid 5675] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5675] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5676 attached [pid 5676] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5673] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5673] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5673] close(3) = -1 EBADF (Bad file descriptor) [pid 5673] close(4) = -1 EBADF (Bad file descriptor) [pid 5673] close(5) = -1 EBADF (Bad file descriptor) [pid 5673] close(6) = -1 EBADF (Bad file descriptor) [pid 5673] close(7) = -1 EBADF (Bad file descriptor) [pid 5673] close(8) = -1 EBADF (Bad file descriptor) [pid 5673] close(9) = -1 EBADF (Bad file descriptor) [pid 5673] close(10) = -1 EBADF (Bad file descriptor) [pid 5673] close(11) = -1 EBADF (Bad file descriptor) [pid 5673] close(12) = -1 EBADF (Bad file descriptor) [pid 5673] close(13) = -1 EBADF (Bad file descriptor) [pid 5673] close(14) = -1 EBADF (Bad file descriptor) [pid 5673] close(15) = -1 EBADF (Bad file descriptor) [pid 5673] close(16) = -1 EBADF (Bad file descriptor) [pid 5673] close(17) = -1 EBADF (Bad file descriptor) [pid 5673] close(18) = -1 EBADF (Bad file descriptor) [pid 5673] close(19) = -1 EBADF (Bad file descriptor) [pid 5673] close(20) = -1 EBADF (Bad file descriptor) [pid 5673] close(21) = -1 EBADF (Bad file descriptor) [pid 5673] close(22) = -1 EBADF (Bad file descriptor) [pid 5673] close(23) = -1 EBADF (Bad file descriptor) [pid 5673] close(24) = -1 EBADF (Bad file descriptor) [pid 5673] close(25) = -1 EBADF (Bad file descriptor) [pid 5673] close(26) = -1 EBADF (Bad file descriptor) [pid 5673] close(27) = -1 EBADF (Bad file descriptor) [pid 5673] close(28) = -1 EBADF (Bad file descriptor) [pid 5673] close(29) = -1 EBADF (Bad file descriptor) [pid 5673] exit_group(0 [pid 5675] <... clone resumed>) = ? [pid 5674] <... futex resumed>) = ? [pid 5673] <... exit_group resumed>) = ? [pid 5675] +++ exited with 0 +++ [pid 5674] +++ exited with 0 +++ [pid 5673] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=582, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=68 /* 0.68 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 586 ./strace-static-x86_64: Process 5677 attached [pid 5677] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5677] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5677] setpgid(0, 0) = 0 [pid 5677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5677] write(3, "1000", 4) = 4 [pid 5677] close(3) = 0 [pid 5677] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5677] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5677] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5677] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[587], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 587 [pid 5677] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5677] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5678 attached [pid 5678] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5678] memfd_create("syzkaller", 0) = 3 [pid 5678] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [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"..., 67108864 [pid 5676] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=585, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=33 /* 0.33 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5678] <... write resumed>) = 67108864 [pid 5678] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5678] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5678] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5678] ioctl(4, LOOP_CLR_FD) = 0 [pid 5678] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5678] close(4) = 0 [pid 5678] close(3) = 0 [pid 5678] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5677] <... futex resumed>) = 0 [pid 5677] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5677] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5678] <... futex resumed>) = 1 [pid 5678] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5677] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5677] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5677] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5678] <... mmap resumed>) = 0x20000000 [pid 5677] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5677] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5677] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[588], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 588 [pid 5677] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5677] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5678] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5679 attached ) = 0 [pid 5678] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5679] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5679] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5680 attached [pid 5680] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5677] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5677] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5677] close(3) = -1 EBADF (Bad file descriptor) [pid 5677] close(4) = -1 EBADF (Bad file descriptor) [pid 5677] close(5) = -1 EBADF (Bad file descriptor) [pid 5677] close(6) = -1 EBADF (Bad file descriptor) [pid 5677] close(7) = -1 EBADF (Bad file descriptor) [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) = -1 EBADF (Bad file descriptor) [pid 5677] close(12) = -1 EBADF (Bad file descriptor) [pid 5677] close(13) = -1 EBADF (Bad file descriptor) [pid 5677] close(14) = -1 EBADF (Bad file descriptor) [pid 5677] close(15) = -1 EBADF (Bad file descriptor) [pid 5677] close(16) = -1 EBADF (Bad file descriptor) [pid 5677] close(17) = -1 EBADF (Bad file descriptor) [pid 5677] close(18) = -1 EBADF (Bad file descriptor) [pid 5677] close(19) = -1 EBADF (Bad file descriptor) [pid 5677] close(20) = -1 EBADF (Bad file descriptor) [pid 5677] close(21) = -1 EBADF (Bad file descriptor) [pid 5677] close(22) = -1 EBADF (Bad file descriptor) [pid 5677] close(23) = -1 EBADF (Bad file descriptor) [pid 5677] close(24) = -1 EBADF (Bad file descriptor) [pid 5677] close(25) = -1 EBADF (Bad file descriptor) [pid 5677] close(26) = -1 EBADF (Bad file descriptor) [pid 5677] close(27) = -1 EBADF (Bad file descriptor) [pid 5677] close(28) = -1 EBADF (Bad file descriptor) [pid 5677] close(29) = -1 EBADF (Bad file descriptor) [pid 5677] exit_group(0 [pid 5679] <... clone resumed>) = ? [pid 5678] <... futex resumed>) = ? [pid 5677] <... exit_group resumed>) = ? [pid 5679] +++ exited with 0 +++ [pid 5678] +++ exited with 0 +++ [pid 5677] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=586, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=71 /* 0.71 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 590 ./strace-static-x86_64: Process 5681 attached [pid 5681] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5681] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5681] setpgid(0, 0) = 0 [pid 5681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5681] write(3, "1000", 4) = 4 [pid 5681] close(3) = 0 [pid 5681] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5681] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5681] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5681] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[591], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 591 [pid 5681] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5681] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5682 attached [pid 5682] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5682] memfd_create("syzkaller", 0) = 3 [pid 5682] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5682] 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"..., 67108864 [pid 5680] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=589, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5682] <... write resumed>) = 67108864 [pid 5682] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5682] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5682] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5682] ioctl(4, LOOP_CLR_FD) = 0 [pid 5682] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5682] close(4) = 0 [pid 5682] close(3) = 0 [pid 5682] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5681] <... futex resumed>) = 0 [pid 5681] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5681] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5682] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5681] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5681] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5681] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5681] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5682] <... mmap resumed>) = 0x20000000 [pid 5681] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5681] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5682] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5681] <... mprotect resumed>) = 0 [pid 5682] <... futex resumed>) = 0 [pid 5681] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5682] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5681] <... clone resumed>, parent_tid=[592], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 592 [pid 5681] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5681] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5683 attached [pid 5683] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5683] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5684 attached [pid 5684] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5681] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5681] close(3) = -1 EBADF (Bad file descriptor) [pid 5681] close(4) = -1 EBADF (Bad file descriptor) [pid 5681] close(5) = -1 EBADF (Bad file descriptor) [pid 5681] close(6) = -1 EBADF (Bad file descriptor) [pid 5681] close(7) = -1 EBADF (Bad file descriptor) [pid 5681] close(8) = -1 EBADF (Bad file descriptor) [pid 5681] close(9) = -1 EBADF (Bad file descriptor) [pid 5681] close(10) = -1 EBADF (Bad file descriptor) [pid 5681] close(11) = -1 EBADF (Bad file descriptor) [pid 5681] close(12) = -1 EBADF (Bad file descriptor) [pid 5681] close(13) = -1 EBADF (Bad file descriptor) [pid 5681] close(14) = -1 EBADF (Bad file descriptor) [pid 5681] close(15) = -1 EBADF (Bad file descriptor) [pid 5681] close(16) = -1 EBADF (Bad file descriptor) [pid 5681] close(17) = -1 EBADF (Bad file descriptor) [pid 5681] close(18) = -1 EBADF (Bad file descriptor) [pid 5681] close(19) = -1 EBADF (Bad file descriptor) [pid 5681] close(20) = -1 EBADF (Bad file descriptor) [pid 5681] close(21) = -1 EBADF (Bad file descriptor) [pid 5681] close(22) = -1 EBADF (Bad file descriptor) [pid 5681] close(23) = -1 EBADF (Bad file descriptor) [pid 5681] close(24) = -1 EBADF (Bad file descriptor) [pid 5681] close(25) = -1 EBADF (Bad file descriptor) [pid 5681] close(26) = -1 EBADF (Bad file descriptor) [pid 5681] close(27) = -1 EBADF (Bad file descriptor) [pid 5681] close(28) = -1 EBADF (Bad file descriptor) [pid 5681] close(29) = -1 EBADF (Bad file descriptor) [pid 5681] exit_group(0 [pid 5683] <... clone resumed>) = ? [pid 5681] <... exit_group resumed>) = ? [pid 5683] +++ exited with 0 +++ [pid 5682] <... futex resumed>) = ? [pid 5682] +++ exited with 0 +++ [pid 5681] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=590, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=62 /* 0.62 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 594 ./strace-static-x86_64: Process 5685 attached [pid 5685] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5685] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5685] setpgid(0, 0) = 0 [pid 5685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5685] write(3, "1000", 4) = 4 [pid 5685] close(3) = 0 [pid 5685] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5685] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5685] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5685] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[595], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 595 [pid 5685] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5685] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5686 attached [pid 5686] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5686] memfd_create("syzkaller", 0) = 3 [pid 5686] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5684] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=593, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [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"..., 67108864) = 67108864 [pid 5686] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5686] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5686] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5686] ioctl(4, LOOP_CLR_FD) = 0 [pid 5686] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5686] close(4) = 0 [pid 5686] close(3) = 0 [pid 5686] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5685] <... futex resumed>) = 0 [pid 5685] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5685] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5686] <... futex resumed>) = 1 [pid 5686] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5685] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5685] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5685] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5685] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5685] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[596], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 596 [pid 5685] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5685] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5686] <... mmap resumed>) = 0x20000000 [pid 5686] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5686] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5687 attached [pid 5687] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5687] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5688 attached [pid 5688] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5685] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5685] close(3) = -1 EBADF (Bad file descriptor) [pid 5685] close(4) = -1 EBADF (Bad file descriptor) [pid 5685] close(5) = -1 EBADF (Bad file descriptor) [pid 5685] close(6) = -1 EBADF (Bad file descriptor) [pid 5685] close(7) = -1 EBADF (Bad file descriptor) [pid 5685] close(8) = -1 EBADF (Bad file descriptor) [pid 5685] close(9) = -1 EBADF (Bad file descriptor) [pid 5685] close(10) = -1 EBADF (Bad file descriptor) [pid 5685] close(11) = -1 EBADF (Bad file descriptor) [pid 5685] close(12) = -1 EBADF (Bad file descriptor) [pid 5685] close(13) = -1 EBADF (Bad file descriptor) [pid 5685] close(14) = -1 EBADF (Bad file descriptor) [pid 5685] close(15) = -1 EBADF (Bad file descriptor) [pid 5685] close(16) = -1 EBADF (Bad file descriptor) [pid 5685] close(17) = -1 EBADF (Bad file descriptor) [pid 5685] close(18) = -1 EBADF (Bad file descriptor) [pid 5685] close(19) = -1 EBADF (Bad file descriptor) [pid 5685] close(20) = -1 EBADF (Bad file descriptor) [pid 5685] close(21) = -1 EBADF (Bad file descriptor) [pid 5685] close(22) = -1 EBADF (Bad file descriptor) [pid 5685] close(23) = -1 EBADF (Bad file descriptor) [pid 5685] close(24) = -1 EBADF (Bad file descriptor) [pid 5685] close(25) = -1 EBADF (Bad file descriptor) [pid 5685] close(26) = -1 EBADF (Bad file descriptor) [pid 5685] close(27) = -1 EBADF (Bad file descriptor) [pid 5685] close(28) = -1 EBADF (Bad file descriptor) [pid 5685] close(29) = -1 EBADF (Bad file descriptor) [pid 5685] exit_group(0 [pid 5687] <... clone resumed>) = ? [pid 5686] <... futex resumed>) = ? [pid 5685] <... exit_group resumed>) = ? [pid 5687] +++ exited with 0 +++ [pid 5686] +++ exited with 0 +++ [pid 5685] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=594, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=67 /* 0.67 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 598 ./strace-static-x86_64: Process 5689 attached [pid 5689] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5689] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5689] setpgid(0, 0) = 0 [pid 5689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5689] write(3, "1000", 4) = 4 [pid 5689] close(3) = 0 [pid 5689] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5689] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5689] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5689] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[599], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 599 [pid 5689] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5689] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5690 attached [pid 5690] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5690] memfd_create("syzkaller", 0) = 3 [pid 5690] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5690] 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"..., 67108864 [pid 5688] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=597, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5690] <... write resumed>) = 67108864 [pid 5690] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5690] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5690] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5690] ioctl(4, LOOP_CLR_FD) = 0 [pid 5690] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5690] close(4) = 0 [pid 5690] close(3) = 0 [pid 5690] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5689] <... futex resumed>) = 0 [pid 5689] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5689] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5690] <... futex resumed>) = 1 [pid 5690] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5689] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5689] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5689] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5689] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5689] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[600], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 600 [pid 5689] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5689] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5690] <... mmap resumed>) = 0x20000000 [pid 5690] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5690] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5691 attached [pid 5691] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5691] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5692 attached [pid 5692] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5689] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5689] close(3) = -1 EBADF (Bad file descriptor) [pid 5689] close(4) = -1 EBADF (Bad file descriptor) [pid 5689] close(5) = -1 EBADF (Bad file descriptor) [pid 5689] close(6) = -1 EBADF (Bad file descriptor) [pid 5689] close(7) = -1 EBADF (Bad file descriptor) [pid 5689] close(8) = -1 EBADF (Bad file descriptor) [pid 5689] close(9) = -1 EBADF (Bad file descriptor) [pid 5689] close(10) = -1 EBADF (Bad file descriptor) [pid 5689] close(11) = -1 EBADF (Bad file descriptor) [pid 5689] close(12) = -1 EBADF (Bad file descriptor) [pid 5689] close(13) = -1 EBADF (Bad file descriptor) [pid 5689] close(14) = -1 EBADF (Bad file descriptor) [pid 5689] close(15) = -1 EBADF (Bad file descriptor) [pid 5689] close(16) = -1 EBADF (Bad file descriptor) [pid 5689] close(17) = -1 EBADF (Bad file descriptor) [pid 5689] close(18) = -1 EBADF (Bad file descriptor) [pid 5689] close(19) = -1 EBADF (Bad file descriptor) [pid 5689] close(20) = -1 EBADF (Bad file descriptor) [pid 5689] close(21) = -1 EBADF (Bad file descriptor) [pid 5689] close(22) = -1 EBADF (Bad file descriptor) [pid 5689] close(23) = -1 EBADF (Bad file descriptor) [pid 5689] close(24) = -1 EBADF (Bad file descriptor) [pid 5689] close(25) = -1 EBADF (Bad file descriptor) [pid 5689] close(26) = -1 EBADF (Bad file descriptor) [pid 5689] close(27) = -1 EBADF (Bad file descriptor) [pid 5689] close(28) = -1 EBADF (Bad file descriptor) [pid 5689] close(29) = -1 EBADF (Bad file descriptor) [pid 5689] exit_group(0 [pid 5691] <... clone resumed>) = ? [pid 5690] <... futex resumed>) = ? [pid 5689] <... exit_group resumed>) = ? [pid 5691] +++ exited with 0 +++ [pid 5690] +++ exited with 0 +++ [pid 5689] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=598, si_uid=0, si_status=0, si_utime=19 /* 0.19 s */, si_stime=66 /* 0.66 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 602 ./strace-static-x86_64: Process 5693 attached [pid 5693] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5693] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5693] setpgid(0, 0) = 0 [pid 5693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5693] write(3, "1000", 4) = 4 [pid 5693] close(3) = 0 [pid 5693] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5693] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5693] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5693] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5694 attached [pid 5694] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5694] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5693] <... clone resumed>, parent_tid=[603], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 603 [pid 5693] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5694] <... futex resumed>) = 0 [pid 5693] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} [pid 5694] memfd_create("syzkaller", 0) = 3 [pid 5694] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5692] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=601, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [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"..., 67108864) = 67108864 [pid 5694] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5694] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5694] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5694] ioctl(4, LOOP_CLR_FD) = 0 [pid 5694] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5694] close(4) = 0 [pid 5694] close(3) = 0 [pid 5694] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5694] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5693] <... futex resumed>) = 0 [pid 5693] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5694] <... futex resumed>) = 0 [pid 5693] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5694] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5693] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5693] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5693] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5694] <... mmap resumed>) = 0x20000000 [pid 5693] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5693] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5694] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5693] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5694] <... futex resumed>) = 0 [pid 5693] <... clone resumed>, parent_tid=[604], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 604 [pid 5693] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5693] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5694] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5695 attached [pid 5695] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5695] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5696 attached [pid 5696] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5693] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5693] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5693] close(3) = -1 EBADF (Bad file descriptor) [pid 5693] close(4) = -1 EBADF (Bad file descriptor) [pid 5693] close(5) = -1 EBADF (Bad file descriptor) [pid 5693] close(6) = -1 EBADF (Bad file descriptor) [pid 5693] close(7) = -1 EBADF (Bad file descriptor) [pid 5693] close(8) = -1 EBADF (Bad file descriptor) [pid 5693] close(9) = -1 EBADF (Bad file descriptor) [pid 5693] close(10) = -1 EBADF (Bad file descriptor) [pid 5693] close(11) = -1 EBADF (Bad file descriptor) [pid 5693] close(12) = -1 EBADF (Bad file descriptor) [pid 5693] close(13) = -1 EBADF (Bad file descriptor) [pid 5693] close(14) = -1 EBADF (Bad file descriptor) [pid 5693] close(15) = -1 EBADF (Bad file descriptor) [pid 5693] close(16) = -1 EBADF (Bad file descriptor) [pid 5693] close(17) = -1 EBADF (Bad file descriptor) [pid 5693] close(18) = -1 EBADF (Bad file descriptor) [pid 5693] close(19) = -1 EBADF (Bad file descriptor) [pid 5693] close(20) = -1 EBADF (Bad file descriptor) [pid 5693] close(21) = -1 EBADF (Bad file descriptor) [pid 5693] close(22) = -1 EBADF (Bad file descriptor) [pid 5693] close(23) = -1 EBADF (Bad file descriptor) [pid 5693] close(24) = -1 EBADF (Bad file descriptor) [pid 5693] close(25) = -1 EBADF (Bad file descriptor) [pid 5693] close(26) = -1 EBADF (Bad file descriptor) [pid 5693] close(27) = -1 EBADF (Bad file descriptor) [pid 5693] close(28) = -1 EBADF (Bad file descriptor) [pid 5693] close(29) = -1 EBADF (Bad file descriptor) [pid 5693] exit_group(0 [pid 5695] <... clone resumed>) = ? [pid 5694] <... futex resumed>) = ? [pid 5693] <... exit_group resumed>) = ? [pid 5695] +++ exited with 0 +++ [pid 5694] +++ exited with 0 +++ [pid 5693] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=602, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=70 /* 0.70 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 606 ./strace-static-x86_64: Process 5697 attached [pid 5697] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5697] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5697] setpgid(0, 0) = 0 [pid 5697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5697] write(3, "1000", 4) = 4 [pid 5697] close(3) = 0 [pid 5697] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5697] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5697] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5697] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[607], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 607 [pid 5697] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5697] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5698 attached [pid 5698] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5698] memfd_create("syzkaller", 0) = 3 [pid 5698] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [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"..., 67108864 [pid 5696] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=605, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5698] <... write resumed>) = 67108864 [pid 5698] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5698] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5698] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5698] ioctl(4, LOOP_CLR_FD) = 0 [pid 5698] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5698] close(4) = 0 [pid 5698] close(3) = 0 [pid 5698] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5697] <... futex resumed>) = 0 [pid 5698] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5697] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5697] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5698] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5698] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5697] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5697] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5697] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5698] <... mmap resumed>) = 0x20000000 [pid 5697] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5697] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5698] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5697] <... mprotect resumed>) = 0 [pid 5697] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[608], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 608 [pid 5697] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5697] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5698] <... futex resumed>) = 0 [pid 5698] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5699 attached [pid 5699] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5699] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5700 attached [pid 5700] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5697] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5697] close(3) = -1 EBADF (Bad file descriptor) [pid 5697] close(4) = -1 EBADF (Bad file descriptor) [pid 5697] close(5) = -1 EBADF (Bad file descriptor) [pid 5697] close(6) = -1 EBADF (Bad file descriptor) [pid 5697] close(7) = -1 EBADF (Bad file descriptor) [pid 5697] close(8) = -1 EBADF (Bad file descriptor) [pid 5697] close(9) = -1 EBADF (Bad file descriptor) [pid 5697] close(10) = -1 EBADF (Bad file descriptor) [pid 5697] close(11) = -1 EBADF (Bad file descriptor) [pid 5697] close(12) = -1 EBADF (Bad file descriptor) [pid 5697] close(13) = -1 EBADF (Bad file descriptor) [pid 5697] close(14) = -1 EBADF (Bad file descriptor) [pid 5697] close(15) = -1 EBADF (Bad file descriptor) [pid 5697] close(16) = -1 EBADF (Bad file descriptor) [pid 5697] close(17) = -1 EBADF (Bad file descriptor) [pid 5697] close(18) = -1 EBADF (Bad file descriptor) [pid 5697] close(19) = -1 EBADF (Bad file descriptor) [pid 5697] close(20) = -1 EBADF (Bad file descriptor) [pid 5697] close(21) = -1 EBADF (Bad file descriptor) [pid 5697] close(22) = -1 EBADF (Bad file descriptor) [pid 5697] close(23) = -1 EBADF (Bad file descriptor) [pid 5697] close(24) = -1 EBADF (Bad file descriptor) [pid 5697] close(25) = -1 EBADF (Bad file descriptor) [pid 5697] close(26) = -1 EBADF (Bad file descriptor) [pid 5697] close(27) = -1 EBADF (Bad file descriptor) [pid 5697] close(28) = -1 EBADF (Bad file descriptor) [pid 5697] close(29) = -1 EBADF (Bad file descriptor) [pid 5697] exit_group(0 [pid 5699] <... clone resumed>) = ? [pid 5698] <... futex resumed>) = ? [pid 5697] <... exit_group resumed>) = ? [pid 5699] +++ exited with 0 +++ [pid 5698] +++ exited with 0 +++ [pid 5697] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=606, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=75 /* 0.75 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 610 ./strace-static-x86_64: Process 5701 attached [pid 5701] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5701] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5701] setpgid(0, 0) = 0 [pid 5701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5701] write(3, "1000", 4) = 4 [pid 5701] close(3) = 0 [pid 5701] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5701] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5701] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5701] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[611], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 611 [pid 5701] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5701] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5702 attached [pid 5702] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5702] memfd_create("syzkaller", 0) = 3 [pid 5702] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5700] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=609, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 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"..., 67108864) = 67108864 [pid 5702] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5702] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5702] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5702] ioctl(4, LOOP_CLR_FD) = 0 [pid 5702] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5702] close(4) = 0 [pid 5702] close(3) = 0 [pid 5702] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5701] <... futex resumed>) = 0 [pid 5701] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5701] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5702] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5701] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5701] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5701] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5702] <... mmap resumed>) = 0x20000000 [pid 5701] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5701] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5701] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[612], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 612 [pid 5701] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5701] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5702] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5702] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5703 attached [pid 5703] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5703] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5704 attached [pid 5704] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5701] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5701] close(3) = -1 EBADF (Bad file descriptor) [pid 5701] close(4) = -1 EBADF (Bad file descriptor) [pid 5701] close(5) = -1 EBADF (Bad file descriptor) [pid 5701] close(6) = -1 EBADF (Bad file descriptor) [pid 5701] close(7) = -1 EBADF (Bad file descriptor) [pid 5701] close(8) = -1 EBADF (Bad file descriptor) [pid 5701] close(9) = -1 EBADF (Bad file descriptor) [pid 5701] close(10) = -1 EBADF (Bad file descriptor) [pid 5701] close(11) = -1 EBADF (Bad file descriptor) [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 5701] close(15) = -1 EBADF (Bad file descriptor) [pid 5701] close(16) = -1 EBADF (Bad file descriptor) [pid 5701] close(17) = -1 EBADF (Bad file descriptor) [pid 5701] close(18) = -1 EBADF (Bad file descriptor) [pid 5701] close(19) = -1 EBADF (Bad file descriptor) [pid 5701] close(20) = -1 EBADF (Bad file descriptor) [pid 5701] close(21) = -1 EBADF (Bad file descriptor) [pid 5701] close(22) = -1 EBADF (Bad file descriptor) [pid 5701] close(23) = -1 EBADF (Bad file descriptor) [pid 5701] close(24) = -1 EBADF (Bad file descriptor) [pid 5701] close(25) = -1 EBADF (Bad file descriptor) [pid 5701] close(26) = -1 EBADF (Bad file descriptor) [pid 5701] close(27) = -1 EBADF (Bad file descriptor) [pid 5701] close(28) = -1 EBADF (Bad file descriptor) [pid 5701] close(29) = -1 EBADF (Bad file descriptor) [pid 5701] exit_group(0 [pid 5703] <... clone resumed>) = ? [pid 5702] <... futex resumed>) = ? [pid 5701] <... exit_group resumed>) = ? [pid 5703] +++ exited with 0 +++ [pid 5702] +++ exited with 0 +++ [pid 5701] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=610, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=66 /* 0.66 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 614 ./strace-static-x86_64: Process 5705 attached [pid 5705] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5705] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5705] setpgid(0, 0) = 0 [pid 5705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5705] write(3, "1000", 4) = 4 [pid 5705] close(3) = 0 [pid 5705] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5705] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5705] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5705] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[615], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 615 [pid 5705] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5705] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5706 attached [pid 5706] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5706] memfd_create("syzkaller", 0) = 3 [pid 5706] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5704] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=613, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5706] 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"..., 67108864) = 67108864 [pid 5706] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5706] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5706] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5706] ioctl(4, LOOP_CLR_FD) = 0 [pid 5706] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5706] close(4) = 0 [pid 5706] close(3) = 0 [pid 5706] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5705] <... futex resumed>) = 0 [pid 5705] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5705] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5706] <... futex resumed>) = 1 [pid 5706] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5705] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5705] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5705] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5705] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5705] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[616], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 616 [pid 5705] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5705] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5706] <... mmap resumed>) = 0x20000000 [pid 5706] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5706] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5707 attached [pid 5707] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5707] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5708 attached [pid 5708] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5705] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5705] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5705] close(3) = -1 EBADF (Bad file descriptor) [pid 5705] close(4) = -1 EBADF (Bad file descriptor) [pid 5705] close(5) = -1 EBADF (Bad file descriptor) [pid 5705] close(6) = -1 EBADF (Bad file descriptor) [pid 5705] close(7) = -1 EBADF (Bad file descriptor) [pid 5705] close(8) = -1 EBADF (Bad file descriptor) [pid 5705] close(9) = -1 EBADF (Bad file descriptor) [pid 5705] close(10) = -1 EBADF (Bad file descriptor) [pid 5705] close(11) = -1 EBADF (Bad file descriptor) [pid 5705] close(12) = -1 EBADF (Bad file descriptor) [pid 5705] close(13) = -1 EBADF (Bad file descriptor) [pid 5705] close(14) = -1 EBADF (Bad file descriptor) [pid 5705] close(15) = -1 EBADF (Bad file descriptor) [pid 5705] close(16) = -1 EBADF (Bad file descriptor) [pid 5705] close(17) = -1 EBADF (Bad file descriptor) [pid 5705] close(18) = -1 EBADF (Bad file descriptor) [pid 5705] close(19) = -1 EBADF (Bad file descriptor) [pid 5705] close(20) = -1 EBADF (Bad file descriptor) [pid 5705] close(21) = -1 EBADF (Bad file descriptor) [pid 5705] close(22) = -1 EBADF (Bad file descriptor) [pid 5705] close(23) = -1 EBADF (Bad file descriptor) [pid 5705] close(24) = -1 EBADF (Bad file descriptor) [pid 5705] close(25) = -1 EBADF (Bad file descriptor) [pid 5705] close(26) = -1 EBADF (Bad file descriptor) [pid 5705] close(27) = -1 EBADF (Bad file descriptor) [pid 5705] close(28) = -1 EBADF (Bad file descriptor) [pid 5705] close(29) = -1 EBADF (Bad file descriptor) [pid 5705] exit_group(0 [pid 5707] <... clone resumed>) = ? [pid 5706] <... futex resumed>) = ? [pid 5705] <... exit_group resumed>) = ? [pid 5707] +++ exited with 0 +++ [pid 5706] +++ exited with 0 +++ [pid 5705] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=614, si_uid=0, si_status=0, si_utime=19 /* 0.19 s */, si_stime=68 /* 0.68 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 618 ./strace-static-x86_64: Process 5709 attached [pid 5709] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5709] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5709] setpgid(0, 0) = 0 [pid 5709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5709] write(3, "1000", 4) = 4 [pid 5709] close(3) = 0 [pid 5709] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5709] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5709] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5709] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[619], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 619 [pid 5709] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5709] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5710 attached [pid 5710] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5710] memfd_create("syzkaller", 0) = 3 [pid 5710] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5708] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=617, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=41 /* 0.41 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5710] 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"..., 67108864) = 67108864 [pid 5710] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5710] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5710] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5710] ioctl(4, LOOP_CLR_FD) = 0 [pid 5710] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5710] close(4) = 0 [pid 5710] close(3) = 0 [pid 5710] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5709] <... futex resumed>) = 0 [pid 5709] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5709] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5710] <... futex resumed>) = 1 [pid 5710] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5709] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5709] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5709] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5709] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5709] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5709] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[620], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 620 [pid 5709] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5709] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5710] <... mmap resumed>) = 0x20000000 [pid 5710] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5710] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5711 attached [pid 5711] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5711] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5712 attached [pid 5712] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5709] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5709] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5709] close(3) = -1 EBADF (Bad file descriptor) [pid 5709] close(4) = -1 EBADF (Bad file descriptor) [pid 5709] close(5) = -1 EBADF (Bad file descriptor) [pid 5709] close(6) = -1 EBADF (Bad file descriptor) [pid 5709] close(7) = -1 EBADF (Bad file descriptor) [pid 5709] close(8) = -1 EBADF (Bad file descriptor) [pid 5709] close(9) = -1 EBADF (Bad file descriptor) [pid 5709] close(10) = -1 EBADF (Bad file descriptor) [pid 5709] close(11) = -1 EBADF (Bad file descriptor) [pid 5709] close(12) = -1 EBADF (Bad file descriptor) [pid 5709] close(13) = -1 EBADF (Bad file descriptor) [pid 5709] close(14) = -1 EBADF (Bad file descriptor) [pid 5709] close(15) = -1 EBADF (Bad file descriptor) [pid 5709] close(16) = -1 EBADF (Bad file descriptor) [pid 5709] close(17) = -1 EBADF (Bad file descriptor) [pid 5709] close(18) = -1 EBADF (Bad file descriptor) [pid 5709] close(19) = -1 EBADF (Bad file descriptor) [pid 5709] close(20) = -1 EBADF (Bad file descriptor) [pid 5709] close(21) = -1 EBADF (Bad file descriptor) [pid 5709] close(22) = -1 EBADF (Bad file descriptor) [pid 5709] close(23) = -1 EBADF (Bad file descriptor) [pid 5709] close(24) = -1 EBADF (Bad file descriptor) [pid 5709] close(25) = -1 EBADF (Bad file descriptor) [pid 5709] close(26) = -1 EBADF (Bad file descriptor) [pid 5709] close(27) = -1 EBADF (Bad file descriptor) [pid 5709] close(28) = -1 EBADF (Bad file descriptor) [pid 5709] close(29) = -1 EBADF (Bad file descriptor) [pid 5709] exit_group(0 [pid 5711] <... clone resumed>) = ? [pid 5710] <... futex resumed>) = ? [pid 5709] <... exit_group resumed>) = ? [pid 5711] +++ exited with 0 +++ [pid 5710] +++ exited with 0 +++ [pid 5709] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=618, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=67 /* 0.67 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 622 ./strace-static-x86_64: Process 5713 attached [pid 5713] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5713] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5713] setpgid(0, 0) = 0 [pid 5713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5713] write(3, "1000", 4) = 4 [pid 5713] close(3) = 0 [pid 5713] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5713] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5713] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5713] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[623], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 623 [pid 5713] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5713] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5714 attached [pid 5714] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5714] memfd_create("syzkaller", 0) = 3 [pid 5714] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5712] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=621, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=41 /* 0.41 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...> [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"..., 67108864 [pid 5075] <... restart_syscall resumed>) = 0 [pid 5714] <... write resumed>) = 67108864 [pid 5714] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5714] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5714] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5714] ioctl(4, LOOP_CLR_FD) = 0 [pid 5714] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5714] close(4) = 0 [pid 5714] close(3) = 0 [pid 5714] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5714] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5713] <... futex resumed>) = 0 [pid 5713] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5713] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5714] <... futex resumed>) = 0 [pid 5714] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5713] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5713] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5713] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5714] <... mmap resumed>) = 0x20000000 [pid 5714] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5714] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5713] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5713] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5713] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 5715 attached , parent_tid=[624], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 624 [pid 5715] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5713] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5715] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO [pid 5713] <... futex resumed>) = 0 [pid 5713] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5716 attached [pid 5716] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5713] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5713] close(3) = -1 EBADF (Bad file descriptor) [pid 5713] close(4) = -1 EBADF (Bad file descriptor) [pid 5713] close(5) = -1 EBADF (Bad file descriptor) [pid 5713] close(6) = -1 EBADF (Bad file descriptor) [pid 5713] close(7) = -1 EBADF (Bad file descriptor) [pid 5713] close(8) = -1 EBADF (Bad file descriptor) [pid 5713] close(9) = -1 EBADF (Bad file descriptor) [pid 5713] close(10) = -1 EBADF (Bad file descriptor) [pid 5713] close(11) = -1 EBADF (Bad file descriptor) [pid 5713] close(12) = -1 EBADF (Bad file descriptor) [pid 5713] close(13) = -1 EBADF (Bad file descriptor) [pid 5713] close(14) = -1 EBADF (Bad file descriptor) [pid 5713] close(15) = -1 EBADF (Bad file descriptor) [pid 5713] close(16) = -1 EBADF (Bad file descriptor) [pid 5713] close(17) = -1 EBADF (Bad file descriptor) [pid 5713] close(18) = -1 EBADF (Bad file descriptor) [pid 5713] close(19) = -1 EBADF (Bad file descriptor) [pid 5713] close(20) = -1 EBADF (Bad file descriptor) [pid 5713] close(21) = -1 EBADF (Bad file descriptor) [pid 5713] close(22) = -1 EBADF (Bad file descriptor) [pid 5713] close(23) = -1 EBADF (Bad file descriptor) [pid 5713] close(24) = -1 EBADF (Bad file descriptor) [pid 5713] close(25) = -1 EBADF (Bad file descriptor) [pid 5713] close(26) = -1 EBADF (Bad file descriptor) [pid 5713] close(27) = -1 EBADF (Bad file descriptor) [pid 5713] close(28) = -1 EBADF (Bad file descriptor) [pid 5713] close(29) = -1 EBADF (Bad file descriptor) [pid 5713] exit_group(0 [pid 5714] <... futex resumed>) = ? [pid 5713] <... exit_group resumed>) = ? [pid 5715] <... clone resumed>) = ? [pid 5714] +++ exited with 0 +++ [pid 5715] +++ exited with 0 +++ [pid 5713] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=622, si_uid=0, si_status=0, si_utime=18 /* 0.18 s */, si_stime=63 /* 0.63 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 626 ./strace-static-x86_64: Process 5717 attached [pid 5717] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5717] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5717] setpgid(0, 0) = 0 [pid 5717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5717] write(3, "1000", 4) = 4 [pid 5717] close(3) = 0 [pid 5717] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5717] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5717] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5717] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[627], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 627 [pid 5717] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5717] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5718 attached [pid 5718] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5718] memfd_create("syzkaller", 0) = 3 [pid 5718] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5718] 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"..., 67108864 [pid 5716] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=625, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5718] <... write resumed>) = 67108864 [pid 5718] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5718] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5718] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5718] ioctl(4, LOOP_CLR_FD) = 0 [pid 5718] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5718] close(4) = 0 [pid 5718] close(3) = 0 [pid 5718] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5717] <... futex resumed>) = 0 [pid 5717] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5717] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5718] <... futex resumed>) = 1 [pid 5718] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5717] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5717] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5717] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5717] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5717] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5717] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[628], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 628 [pid 5717] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5717] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5718] <... mmap resumed>) = 0x20000000 [pid 5718] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5718] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5719 attached [pid 5719] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5719] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5720 attached [pid 5720] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5717] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5717] close(3) = -1 EBADF (Bad file descriptor) [pid 5717] close(4) = -1 EBADF (Bad file descriptor) [pid 5717] close(5) = -1 EBADF (Bad file descriptor) [pid 5717] close(6) = -1 EBADF (Bad file descriptor) [pid 5717] close(7) = -1 EBADF (Bad file descriptor) [pid 5717] close(8) = -1 EBADF (Bad file descriptor) [pid 5717] close(9) = -1 EBADF (Bad file descriptor) [pid 5717] close(10) = -1 EBADF (Bad file descriptor) [pid 5717] close(11) = -1 EBADF (Bad file descriptor) [pid 5717] close(12) = -1 EBADF (Bad file descriptor) [pid 5717] close(13) = -1 EBADF (Bad file descriptor) [pid 5717] close(14) = -1 EBADF (Bad file descriptor) [pid 5717] close(15) = -1 EBADF (Bad file descriptor) [pid 5717] close(16) = -1 EBADF (Bad file descriptor) [pid 5717] close(17) = -1 EBADF (Bad file descriptor) [pid 5717] close(18) = -1 EBADF (Bad file descriptor) [pid 5717] close(19) = -1 EBADF (Bad file descriptor) [pid 5717] close(20) = -1 EBADF (Bad file descriptor) [pid 5717] close(21) = -1 EBADF (Bad file descriptor) [pid 5717] close(22) = -1 EBADF (Bad file descriptor) [pid 5717] close(23) = -1 EBADF (Bad file descriptor) [pid 5717] close(24) = -1 EBADF (Bad file descriptor) [pid 5717] close(25) = -1 EBADF (Bad file descriptor) [pid 5717] close(26) = -1 EBADF (Bad file descriptor) [pid 5717] close(27) = -1 EBADF (Bad file descriptor) [pid 5717] close(28) = -1 EBADF (Bad file descriptor) [pid 5717] close(29) = -1 EBADF (Bad file descriptor) [pid 5717] exit_group(0) = ? [pid 5718] <... futex resumed>) = ? [pid 5719] <... clone resumed>) = ? [pid 5718] +++ exited with 0 +++ [pid 5719] +++ exited with 0 +++ [pid 5717] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=626, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=70 /* 0.70 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 630 ./strace-static-x86_64: Process 5721 attached [pid 5721] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5721] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5721] setpgid(0, 0) = 0 [pid 5721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5721] write(3, "1000", 4) = 4 [pid 5721] close(3) = 0 [pid 5721] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5721] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5721] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5721] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[631], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 631 [pid 5721] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5721] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5722 attached [pid 5722] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5722] memfd_create("syzkaller", 0) = 3 [pid 5722] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5720] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=629, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5722] 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"..., 67108864) = 67108864 [pid 5722] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5722] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5722] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5722] ioctl(4, LOOP_CLR_FD) = 0 [pid 5722] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5722] close(4) = 0 [pid 5722] close(3) = 0 [pid 5722] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5721] <... futex resumed>) = 0 [pid 5721] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5721] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5722] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5721] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5721] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5721] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5721] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5722] <... mmap resumed>) = 0x20000000 [pid 5721] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5721] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5722] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5721] <... mprotect resumed>) = 0 [pid 5722] <... futex resumed>) = 0 [pid 5721] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5722] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5721] <... clone resumed>, parent_tid=[632], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 632 [pid 5721] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5721] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5723 attached [pid 5723] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5723] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5724 attached [pid 5724] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5721] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5721] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5721] close(3) = -1 EBADF (Bad file descriptor) [pid 5721] close(4) = -1 EBADF (Bad file descriptor) [pid 5721] close(5) = -1 EBADF (Bad file descriptor) [pid 5721] close(6) = -1 EBADF (Bad file descriptor) [pid 5721] close(7) = -1 EBADF (Bad file descriptor) [pid 5721] close(8) = -1 EBADF (Bad file descriptor) [pid 5721] close(9) = -1 EBADF (Bad file descriptor) [pid 5721] close(10) = -1 EBADF (Bad file descriptor) [pid 5721] close(11) = -1 EBADF (Bad file descriptor) [pid 5721] close(12) = -1 EBADF (Bad file descriptor) [pid 5721] close(13) = -1 EBADF (Bad file descriptor) [pid 5721] close(14) = -1 EBADF (Bad file descriptor) [pid 5721] close(15) = -1 EBADF (Bad file descriptor) [pid 5721] close(16) = -1 EBADF (Bad file descriptor) [pid 5721] close(17) = -1 EBADF (Bad file descriptor) [pid 5721] close(18) = -1 EBADF (Bad file descriptor) [pid 5721] close(19) = -1 EBADF (Bad file descriptor) [pid 5721] close(20) = -1 EBADF (Bad file descriptor) [pid 5721] close(21) = -1 EBADF (Bad file descriptor) [pid 5721] close(22) = -1 EBADF (Bad file descriptor) [pid 5721] close(23) = -1 EBADF (Bad file descriptor) [pid 5721] close(24) = -1 EBADF (Bad file descriptor) [pid 5721] close(25) = -1 EBADF (Bad file descriptor) [pid 5721] close(26) = -1 EBADF (Bad file descriptor) [pid 5721] close(27) = -1 EBADF (Bad file descriptor) [pid 5721] close(28) = -1 EBADF (Bad file descriptor) [pid 5721] close(29) = -1 EBADF (Bad file descriptor) [pid 5721] exit_group(0 [pid 5723] <... clone resumed>) = ? [pid 5722] <... futex resumed>) = ? [pid 5721] <... exit_group resumed>) = ? [pid 5723] +++ exited with 0 +++ [pid 5722] +++ exited with 0 +++ [pid 5721] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=630, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=74 /* 0.74 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 634 ./strace-static-x86_64: Process 5725 attached [pid 5725] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5725] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5725] setpgid(0, 0) = 0 [pid 5725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5725] write(3, "1000", 4) = 4 [pid 5725] close(3) = 0 [pid 5725] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5725] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5725] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5725] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[635], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 635 [pid 5725] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5725] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5726 attached [pid 5726] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5726] memfd_create("syzkaller", 0) = 3 [pid 5726] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5724] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=633, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5726] 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"..., 67108864) = 67108864 [pid 5726] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5726] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5726] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5726] ioctl(4, LOOP_CLR_FD) = 0 [pid 5726] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5726] close(4) = 0 [pid 5726] close(3) = 0 [pid 5726] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5725] <... futex resumed>) = 0 [pid 5725] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5725] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5726] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5725] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5725] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5725] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5726] <... mmap resumed>) = 0x20000000 [pid 5725] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5725] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5726] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5725] <... mprotect resumed>) = 0 [pid 5725] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[636], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 636 [pid 5725] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5725] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5726] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5727 attached [pid 5727] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5727] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5728 attached [pid 5728] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5725] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5725] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5725] close(3) = -1 EBADF (Bad file descriptor) [pid 5725] close(4) = -1 EBADF (Bad file descriptor) [pid 5725] close(5) = -1 EBADF (Bad file descriptor) [pid 5725] close(6) = -1 EBADF (Bad file descriptor) [pid 5725] close(7) = -1 EBADF (Bad file descriptor) [pid 5725] close(8) = -1 EBADF (Bad file descriptor) [pid 5725] close(9) = -1 EBADF (Bad file descriptor) [pid 5725] close(10) = -1 EBADF (Bad file descriptor) [pid 5725] close(11) = -1 EBADF (Bad file descriptor) [pid 5725] close(12) = -1 EBADF (Bad file descriptor) [pid 5725] close(13) = -1 EBADF (Bad file descriptor) [pid 5725] close(14) = -1 EBADF (Bad file descriptor) [pid 5725] close(15) = -1 EBADF (Bad file descriptor) [pid 5725] close(16) = -1 EBADF (Bad file descriptor) [pid 5725] close(17) = -1 EBADF (Bad file descriptor) [pid 5725] close(18) = -1 EBADF (Bad file descriptor) [pid 5725] close(19) = -1 EBADF (Bad file descriptor) [pid 5725] close(20) = -1 EBADF (Bad file descriptor) [pid 5725] close(21) = -1 EBADF (Bad file descriptor) [pid 5725] close(22) = -1 EBADF (Bad file descriptor) [pid 5725] close(23) = -1 EBADF (Bad file descriptor) [pid 5725] close(24) = -1 EBADF (Bad file descriptor) [pid 5725] close(25) = -1 EBADF (Bad file descriptor) [pid 5725] close(26) = -1 EBADF (Bad file descriptor) [pid 5725] close(27) = -1 EBADF (Bad file descriptor) [pid 5725] close(28) = -1 EBADF (Bad file descriptor) [pid 5725] close(29) = -1 EBADF (Bad file descriptor) [pid 5725] exit_group(0 [pid 5727] <... clone resumed>) = ? [pid 5726] <... futex resumed>) = ? [pid 5725] <... exit_group resumed>) = ? [pid 5727] +++ exited with 0 +++ [pid 5726] +++ exited with 0 +++ [pid 5725] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=634, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=68 /* 0.68 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 638 ./strace-static-x86_64: Process 5729 attached [pid 5729] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5729] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5729] setpgid(0, 0) = 0 [pid 5729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5729] write(3, "1000", 4) = 4 [pid 5729] close(3) = 0 [pid 5729] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5729] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5729] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5729] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[639], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 639 [pid 5729] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5729] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5730 attached [pid 5730] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5730] memfd_create("syzkaller", 0) = 3 [pid 5730] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5728] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=637, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5730] 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"..., 67108864) = 67108864 [pid 5730] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5730] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5730] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5730] ioctl(4, LOOP_CLR_FD) = 0 [pid 5730] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5730] close(4) = 0 [pid 5730] close(3) = 0 [pid 5730] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5729] <... futex resumed>) = 0 [pid 5729] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5729] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5730] <... futex resumed>) = 1 [pid 5730] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5729] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5729] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5729] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5729] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5729] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5729] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[640], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 640 [pid 5729] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5729] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5730] <... mmap resumed>) = 0x20000000 [pid 5730] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5730] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5731 attached [pid 5731] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5731] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5732 attached [pid 5732] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5729] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5729] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5729] close(3) = -1 EBADF (Bad file descriptor) [pid 5729] close(4) = -1 EBADF (Bad file descriptor) [pid 5729] close(5) = -1 EBADF (Bad file descriptor) [pid 5729] close(6) = -1 EBADF (Bad file descriptor) [pid 5729] close(7) = -1 EBADF (Bad file descriptor) [pid 5729] close(8) = -1 EBADF (Bad file descriptor) [pid 5729] close(9) = -1 EBADF (Bad file descriptor) [pid 5729] close(10) = -1 EBADF (Bad file descriptor) [pid 5729] close(11) = -1 EBADF (Bad file descriptor) [pid 5729] close(12) = -1 EBADF (Bad file descriptor) [pid 5729] close(13) = -1 EBADF (Bad file descriptor) [pid 5729] close(14) = -1 EBADF (Bad file descriptor) [pid 5729] close(15) = -1 EBADF (Bad file descriptor) [pid 5729] close(16) = -1 EBADF (Bad file descriptor) [pid 5729] close(17) = -1 EBADF (Bad file descriptor) [pid 5729] close(18) = -1 EBADF (Bad file descriptor) [pid 5729] close(19) = -1 EBADF (Bad file descriptor) [pid 5729] close(20) = -1 EBADF (Bad file descriptor) [pid 5729] close(21) = -1 EBADF (Bad file descriptor) [pid 5729] close(22) = -1 EBADF (Bad file descriptor) [pid 5729] close(23) = -1 EBADF (Bad file descriptor) [pid 5729] close(24) = -1 EBADF (Bad file descriptor) [pid 5729] close(25) = -1 EBADF (Bad file descriptor) [pid 5729] close(26) = -1 EBADF (Bad file descriptor) [pid 5729] close(27) = -1 EBADF (Bad file descriptor) [pid 5729] close(28) = -1 EBADF (Bad file descriptor) [pid 5729] close(29) = -1 EBADF (Bad file descriptor) [pid 5729] exit_group(0 [pid 5731] <... clone resumed>) = ? [pid 5730] <... futex resumed>) = ? [pid 5729] <... exit_group resumed>) = ? [pid 5731] +++ exited with 0 +++ [pid 5730] +++ exited with 0 +++ [pid 5729] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=638, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=73 /* 0.73 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 642 ./strace-static-x86_64: Process 5733 attached [pid 5733] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5733] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5733] setpgid(0, 0) = 0 [pid 5733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5733] write(3, "1000", 4) = 4 [pid 5733] close(3) = 0 [pid 5733] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5733] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5733] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5733] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[643], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 643 [pid 5733] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5733] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5734 attached [pid 5734] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5734] memfd_create("syzkaller", 0) = 3 [pid 5734] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5734] 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"..., 67108864 [pid 5732] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=641, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5734] <... write resumed>) = 67108864 [pid 5734] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5734] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5734] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5734] ioctl(4, LOOP_CLR_FD) = 0 [pid 5734] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5734] close(4) = 0 [pid 5734] close(3) = 0 [pid 5734] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5733] <... futex resumed>) = 0 [pid 5734] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5733] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5733] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5733] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5733] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5734] <... mmap resumed>) = 0x20000000 [pid 5733] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5734] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5733] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5734] <... futex resumed>) = 0 [pid 5733] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5734] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5733] <... clone resumed>, parent_tid=[644], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 644 [pid 5733] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5733] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5735 attached [pid 5735] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5735] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5736 attached [pid 5736] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5733] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5733] close(3) = -1 EBADF (Bad file descriptor) [pid 5733] close(4) = -1 EBADF (Bad file descriptor) [pid 5733] close(5) = -1 EBADF (Bad file descriptor) [pid 5733] close(6) = -1 EBADF (Bad file descriptor) [pid 5733] close(7) = -1 EBADF (Bad file descriptor) [pid 5733] close(8) = -1 EBADF (Bad file descriptor) [pid 5733] close(9) = -1 EBADF (Bad file descriptor) [pid 5733] close(10) = -1 EBADF (Bad file descriptor) [pid 5733] close(11) = -1 EBADF (Bad file descriptor) [pid 5733] close(12) = -1 EBADF (Bad file descriptor) [pid 5733] close(13) = -1 EBADF (Bad file descriptor) [pid 5733] close(14) = -1 EBADF (Bad file descriptor) [pid 5733] close(15) = -1 EBADF (Bad file descriptor) [pid 5733] close(16) = -1 EBADF (Bad file descriptor) [pid 5733] close(17) = -1 EBADF (Bad file descriptor) [pid 5733] close(18) = -1 EBADF (Bad file descriptor) [pid 5733] close(19) = -1 EBADF (Bad file descriptor) [pid 5733] close(20) = -1 EBADF (Bad file descriptor) [pid 5733] close(21) = -1 EBADF (Bad file descriptor) [pid 5733] close(22) = -1 EBADF (Bad file descriptor) [pid 5733] close(23) = -1 EBADF (Bad file descriptor) [pid 5733] close(24) = -1 EBADF (Bad file descriptor) [pid 5733] close(25) = -1 EBADF (Bad file descriptor) [pid 5733] close(26) = -1 EBADF (Bad file descriptor) [pid 5733] close(27) = -1 EBADF (Bad file descriptor) [pid 5733] close(28) = -1 EBADF (Bad file descriptor) [pid 5733] close(29) = -1 EBADF (Bad file descriptor) [pid 5733] exit_group(0 [pid 5735] <... clone resumed>) = ? [pid 5734] <... futex resumed>) = ? [pid 5733] <... exit_group resumed>) = ? [pid 5735] +++ exited with 0 +++ [pid 5734] +++ exited with 0 +++ [pid 5733] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=642, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=64 /* 0.64 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 646 ./strace-static-x86_64: Process 5737 attached [pid 5737] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5737] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5737] setpgid(0, 0) = 0 [pid 5737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5737] write(3, "1000", 4) = 4 [pid 5737] close(3) = 0 [pid 5737] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5737] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5737] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5737] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[647], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 647 [pid 5737] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5737] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5738 attached [pid 5738] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5738] memfd_create("syzkaller", 0) = 3 [pid 5738] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5736] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=645, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5738] 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"..., 67108864) = 67108864 [pid 5738] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5738] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5738] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5738] ioctl(4, LOOP_CLR_FD) = 0 [pid 5738] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5738] close(4) = 0 [pid 5738] close(3) = 0 [pid 5738] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5737] <... futex resumed>) = 0 [pid 5738] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5737] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5737] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5737] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5737] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5738] <... mmap resumed>) = 0x20000000 [pid 5737] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5738] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5737] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5738] <... futex resumed>) = 0 [pid 5737] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5738] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5737] <... clone resumed>, parent_tid=[648], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 648 [pid 5737] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5737] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5739 attached [pid 5739] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5739] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5740 attached [pid 5740] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5737] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5737] close(3) = -1 EBADF (Bad file descriptor) [pid 5737] close(4) = -1 EBADF (Bad file descriptor) [pid 5737] close(5) = -1 EBADF (Bad file descriptor) [pid 5737] close(6) = -1 EBADF (Bad file descriptor) [pid 5737] close(7) = -1 EBADF (Bad file descriptor) [pid 5737] close(8) = -1 EBADF (Bad file descriptor) [pid 5737] close(9) = -1 EBADF (Bad file descriptor) [pid 5737] close(10) = -1 EBADF (Bad file descriptor) [pid 5737] close(11) = -1 EBADF (Bad file descriptor) [pid 5737] close(12) = -1 EBADF (Bad file descriptor) [pid 5737] close(13) = -1 EBADF (Bad file descriptor) [pid 5737] close(14) = -1 EBADF (Bad file descriptor) [pid 5737] close(15) = -1 EBADF (Bad file descriptor) [pid 5737] close(16) = -1 EBADF (Bad file descriptor) [pid 5737] close(17) = -1 EBADF (Bad file descriptor) [pid 5737] close(18) = -1 EBADF (Bad file descriptor) [pid 5737] close(19) = -1 EBADF (Bad file descriptor) [pid 5737] close(20) = -1 EBADF (Bad file descriptor) [pid 5737] close(21) = -1 EBADF (Bad file descriptor) [pid 5737] close(22) = -1 EBADF (Bad file descriptor) [pid 5737] close(23) = -1 EBADF (Bad file descriptor) [pid 5737] close(24) = -1 EBADF (Bad file descriptor) [pid 5737] close(25) = -1 EBADF (Bad file descriptor) [pid 5737] close(26) = -1 EBADF (Bad file descriptor) [pid 5737] close(27) = -1 EBADF (Bad file descriptor) [pid 5737] close(28) = -1 EBADF (Bad file descriptor) [pid 5737] close(29) = -1 EBADF (Bad file descriptor) [pid 5737] exit_group(0 [pid 5739] <... clone resumed>) = ? [pid 5738] <... futex resumed>) = ? [pid 5737] <... exit_group resumed>) = ? [pid 5739] +++ exited with 0 +++ [pid 5738] +++ exited with 0 +++ [pid 5737] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=646, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=71 /* 0.71 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 650 ./strace-static-x86_64: Process 5741 attached [pid 5741] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5741] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5741] setpgid(0, 0) = 0 [pid 5741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5741] write(3, "1000", 4) = 4 [pid 5741] close(3) = 0 [pid 5741] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5741] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5741] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5741] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[651], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 651 [pid 5741] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5741] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5742 attached [pid 5742] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5742] memfd_create("syzkaller", 0) = 3 [pid 5742] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5740] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=649, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=33 /* 0.33 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5742] 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"..., 67108864) = 67108864 [pid 5742] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5742] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5742] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5742] ioctl(4, LOOP_CLR_FD) = 0 [pid 5742] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5742] close(4) = 0 [pid 5742] close(3) = 0 [pid 5742] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5741] <... futex resumed>) = 0 [pid 5741] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5741] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5742] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5741] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5741] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5741] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5741] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5741] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5741] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[652], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 652 [pid 5741] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5741] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5742] <... mmap resumed>) = 0x20000000 [pid 5742] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5742] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5743 attached [pid 5743] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5743] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5744 attached [pid 5744] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5741] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5741] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5741] close(3) = -1 EBADF (Bad file descriptor) [pid 5741] close(4) = -1 EBADF (Bad file descriptor) [pid 5741] close(5) = -1 EBADF (Bad file descriptor) [pid 5741] close(6) = -1 EBADF (Bad file descriptor) [pid 5741] close(7) = -1 EBADF (Bad file descriptor) [pid 5741] close(8) = -1 EBADF (Bad file descriptor) [pid 5741] close(9) = -1 EBADF (Bad file descriptor) [pid 5741] close(10) = -1 EBADF (Bad file descriptor) [pid 5741] close(11) = -1 EBADF (Bad file descriptor) [pid 5741] close(12) = -1 EBADF (Bad file descriptor) [pid 5741] close(13) = -1 EBADF (Bad file descriptor) [pid 5741] close(14) = -1 EBADF (Bad file descriptor) [pid 5741] close(15) = -1 EBADF (Bad file descriptor) [pid 5741] close(16) = -1 EBADF (Bad file descriptor) [pid 5741] close(17) = -1 EBADF (Bad file descriptor) [pid 5741] close(18) = -1 EBADF (Bad file descriptor) [pid 5741] close(19) = -1 EBADF (Bad file descriptor) [pid 5741] close(20) = -1 EBADF (Bad file descriptor) [pid 5741] close(21) = -1 EBADF (Bad file descriptor) [pid 5741] close(22) = -1 EBADF (Bad file descriptor) [pid 5741] close(23) = -1 EBADF (Bad file descriptor) [pid 5741] close(24) = -1 EBADF (Bad file descriptor) [pid 5741] close(25) = -1 EBADF (Bad file descriptor) [pid 5741] close(26) = -1 EBADF (Bad file descriptor) [pid 5741] close(27) = -1 EBADF (Bad file descriptor) [pid 5741] close(28) = -1 EBADF (Bad file descriptor) [pid 5741] close(29) = -1 EBADF (Bad file descriptor) [pid 5741] exit_group(0 [pid 5743] <... clone resumed>) = ? [pid 5742] <... futex resumed>) = ? [pid 5741] <... exit_group resumed>) = ? [pid 5743] +++ exited with 0 +++ [pid 5742] +++ exited with 0 +++ [pid 5741] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=650, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=74 /* 0.74 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 654 ./strace-static-x86_64: Process 5745 attached [pid 5745] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5745] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5745] setpgid(0, 0) = 0 [pid 5745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5745] write(3, "1000", 4) = 4 [pid 5745] close(3) = 0 [pid 5745] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5745] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5745] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5745] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[655], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 655 [pid 5745] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5745] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5746 attached [pid 5746] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5746] memfd_create("syzkaller", 0) = 3 [pid 5746] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5744] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=653, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5746] 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"..., 67108864) = 67108864 [pid 5746] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5746] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5746] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5746] ioctl(4, LOOP_CLR_FD) = 0 [pid 5746] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5746] close(4) = 0 [pid 5746] close(3) = 0 [pid 5746] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5745] <... futex resumed>) = 0 [pid 5745] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5745] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5746] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5745] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5745] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5745] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5746] <... mmap resumed>) = 0x20000000 [pid 5745] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5745] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5746] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5745] <... mprotect resumed>) = 0 [pid 5745] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5746] <... futex resumed>) = 0 [pid 5745] <... clone resumed>, parent_tid=[656], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 656 [pid 5745] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5745] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5746] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5747 attached [pid 5747] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5747] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5748 attached [pid 5748] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5745] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5745] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5745] close(3) = -1 EBADF (Bad file descriptor) [pid 5745] close(4) = -1 EBADF (Bad file descriptor) [pid 5745] close(5) = -1 EBADF (Bad file descriptor) [pid 5745] close(6) = -1 EBADF (Bad file descriptor) [pid 5745] close(7) = -1 EBADF (Bad file descriptor) [pid 5745] close(8) = -1 EBADF (Bad file descriptor) [pid 5745] close(9) = -1 EBADF (Bad file descriptor) [pid 5745] close(10) = -1 EBADF (Bad file descriptor) [pid 5745] close(11) = -1 EBADF (Bad file descriptor) [pid 5745] close(12) = -1 EBADF (Bad file descriptor) [pid 5745] close(13) = -1 EBADF (Bad file descriptor) [pid 5745] close(14) = -1 EBADF (Bad file descriptor) [pid 5745] close(15) = -1 EBADF (Bad file descriptor) [pid 5745] close(16) = -1 EBADF (Bad file descriptor) [pid 5745] close(17) = -1 EBADF (Bad file descriptor) [pid 5745] close(18) = -1 EBADF (Bad file descriptor) [pid 5745] close(19) = -1 EBADF (Bad file descriptor) [pid 5745] close(20) = -1 EBADF (Bad file descriptor) [pid 5745] close(21) = -1 EBADF (Bad file descriptor) [pid 5745] close(22) = -1 EBADF (Bad file descriptor) [pid 5745] close(23) = -1 EBADF (Bad file descriptor) [pid 5745] close(24) = -1 EBADF (Bad file descriptor) [pid 5745] close(25) = -1 EBADF (Bad file descriptor) [pid 5745] close(26) = -1 EBADF (Bad file descriptor) [pid 5745] close(27) = -1 EBADF (Bad file descriptor) [pid 5745] close(28) = -1 EBADF (Bad file descriptor) [pid 5745] close(29) = -1 EBADF (Bad file descriptor) [pid 5745] exit_group(0 [pid 5747] <... clone resumed>) = ? [pid 5746] <... futex resumed>) = ? [pid 5745] <... exit_group resumed>) = ? [pid 5747] +++ exited with 0 +++ [pid 5746] +++ exited with 0 +++ [pid 5745] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=654, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=67 /* 0.67 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 658 ./strace-static-x86_64: Process 5749 attached [pid 5749] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5749] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5749] setpgid(0, 0) = 0 [pid 5749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5749] write(3, "1000", 4) = 4 [pid 5749] close(3) = 0 [pid 5749] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5749] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5749] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5749] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[659], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 659 [pid 5749] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5749] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5750 attached [pid 5750] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5750] memfd_create("syzkaller", 0) = 3 [pid 5750] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5748] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=657, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5750] 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"..., 67108864) = 67108864 [pid 5750] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5750] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5750] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5750] ioctl(4, LOOP_CLR_FD) = 0 [pid 5750] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5750] close(4) = 0 [pid 5750] close(3) = 0 [pid 5750] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5749] <... futex resumed>) = 0 [pid 5749] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5749] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5750] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5749] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5749] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5749] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5749] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5750] <... mmap resumed>) = 0x20000000 [pid 5749] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5749] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5749] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[660], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 660 [pid 5749] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5749] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5750] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5750] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5751 attached [pid 5751] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5751] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5752 attached [pid 5752] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5749] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5749] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5749] close(3) = -1 EBADF (Bad file descriptor) [pid 5749] close(4) = -1 EBADF (Bad file descriptor) [pid 5749] close(5) = -1 EBADF (Bad file descriptor) [pid 5749] close(6) = -1 EBADF (Bad file descriptor) [pid 5749] close(7) = -1 EBADF (Bad file descriptor) [pid 5749] close(8) = -1 EBADF (Bad file descriptor) [pid 5749] close(9) = -1 EBADF (Bad file descriptor) [pid 5749] close(10) = -1 EBADF (Bad file descriptor) [pid 5749] close(11) = -1 EBADF (Bad file descriptor) [pid 5749] close(12) = -1 EBADF (Bad file descriptor) [pid 5749] close(13) = -1 EBADF (Bad file descriptor) [pid 5749] close(14) = -1 EBADF (Bad file descriptor) [pid 5749] close(15) = -1 EBADF (Bad file descriptor) [pid 5749] close(16) = -1 EBADF (Bad file descriptor) [pid 5749] close(17) = -1 EBADF (Bad file descriptor) [pid 5749] close(18) = -1 EBADF (Bad file descriptor) [pid 5749] close(19) = -1 EBADF (Bad file descriptor) [pid 5749] close(20) = -1 EBADF (Bad file descriptor) [pid 5749] close(21) = -1 EBADF (Bad file descriptor) [pid 5749] close(22) = -1 EBADF (Bad file descriptor) [pid 5749] close(23) = -1 EBADF (Bad file descriptor) [pid 5749] close(24) = -1 EBADF (Bad file descriptor) [pid 5749] close(25) = -1 EBADF (Bad file descriptor) [pid 5749] close(26) = -1 EBADF (Bad file descriptor) [pid 5749] close(27) = -1 EBADF (Bad file descriptor) [pid 5749] close(28) = -1 EBADF (Bad file descriptor) [pid 5749] close(29) = -1 EBADF (Bad file descriptor) [pid 5749] exit_group(0 [pid 5751] <... clone resumed>) = ? [pid 5750] <... futex resumed>) = ? [pid 5749] <... exit_group resumed>) = ? [pid 5751] +++ exited with 0 +++ [pid 5750] +++ exited with 0 +++ [pid 5749] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=658, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=64 /* 0.64 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 662 ./strace-static-x86_64: Process 5753 attached [pid 5753] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5753] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5753] setpgid(0, 0) = 0 [pid 5753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5753] write(3, "1000", 4) = 4 [pid 5753] close(3) = 0 [pid 5753] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5753] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5753] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5753] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[663], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 663 [pid 5753] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5753] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5754 attached [pid 5754] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5754] memfd_create("syzkaller", 0) = 3 [pid 5754] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5752] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=661, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5754] 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"..., 67108864) = 67108864 [pid 5754] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5754] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5754] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5754] ioctl(4, LOOP_CLR_FD) = 0 [pid 5754] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5754] close(4) = 0 [pid 5754] close(3) = 0 [pid 5754] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5753] <... futex resumed>) = 0 [pid 5753] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5753] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5754] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5753] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5753] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5753] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5753] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5754] <... mmap resumed>) = 0x20000000 [pid 5753] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5753] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5753] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5754] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5753] <... clone resumed>, parent_tid=[664], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 664 [pid 5753] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5753] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5754] <... futex resumed>) = 0 [pid 5754] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5755 attached [pid 5755] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5755] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5756 attached [pid 5756] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5753] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5753] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5753] close(3) = -1 EBADF (Bad file descriptor) [pid 5753] close(4) = -1 EBADF (Bad file descriptor) [pid 5753] close(5) = -1 EBADF (Bad file descriptor) [pid 5753] close(6) = -1 EBADF (Bad file descriptor) [pid 5753] close(7) = -1 EBADF (Bad file descriptor) [pid 5753] close(8) = -1 EBADF (Bad file descriptor) [pid 5753] close(9) = -1 EBADF (Bad file descriptor) [pid 5753] close(10) = -1 EBADF (Bad file descriptor) [pid 5753] close(11) = -1 EBADF (Bad file descriptor) [pid 5753] close(12) = -1 EBADF (Bad file descriptor) [pid 5753] close(13) = -1 EBADF (Bad file descriptor) [pid 5753] close(14) = -1 EBADF (Bad file descriptor) [pid 5753] close(15) = -1 EBADF (Bad file descriptor) [pid 5753] close(16) = -1 EBADF (Bad file descriptor) [pid 5753] close(17) = -1 EBADF (Bad file descriptor) [pid 5753] close(18) = -1 EBADF (Bad file descriptor) [pid 5753] close(19) = -1 EBADF (Bad file descriptor) [pid 5753] close(20) = -1 EBADF (Bad file descriptor) [pid 5753] close(21) = -1 EBADF (Bad file descriptor) [pid 5753] close(22) = -1 EBADF (Bad file descriptor) [pid 5753] close(23) = -1 EBADF (Bad file descriptor) [pid 5753] close(24) = -1 EBADF (Bad file descriptor) [pid 5753] close(25) = -1 EBADF (Bad file descriptor) [pid 5753] close(26) = -1 EBADF (Bad file descriptor) [pid 5753] close(27) = -1 EBADF (Bad file descriptor) [pid 5753] close(28) = -1 EBADF (Bad file descriptor) [pid 5753] close(29) = -1 EBADF (Bad file descriptor) [pid 5753] exit_group(0 [pid 5755] <... clone resumed>) = ? [pid 5754] <... futex resumed>) = ? [pid 5753] <... exit_group resumed>) = ? [pid 5755] +++ exited with 0 +++ [pid 5754] +++ exited with 0 +++ [pid 5753] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=662, si_uid=0, si_status=0, si_utime=14 /* 0.14 s */, si_stime=68 /* 0.68 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 666 ./strace-static-x86_64: Process 5757 attached [pid 5757] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5757] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5757] setpgid(0, 0) = 0 [pid 5757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5757] write(3, "1000", 4) = 4 [pid 5757] close(3) = 0 [pid 5757] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5757] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5757] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5757] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[667], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 667 [pid 5757] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5757] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5758 attached [pid 5758] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5758] memfd_create("syzkaller", 0) = 3 [pid 5758] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5756] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=665, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=41 /* 0.41 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5758] 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"..., 67108864) = 67108864 [pid 5758] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5758] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5758] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5758] ioctl(4, LOOP_CLR_FD) = 0 [pid 5758] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5758] close(4) = 0 [pid 5758] close(3) = 0 [pid 5758] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5757] <... futex resumed>) = 0 [pid 5757] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5757] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5758] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5757] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5757] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5757] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5757] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5758] <... mmap resumed>) = 0x20000000 [pid 5757] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5757] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5757] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[668], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 668 [pid 5757] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5757] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5758] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5758] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5759 attached [pid 5759] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5759] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5760 attached [pid 5760] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5757] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5757] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5757] close(3) = -1 EBADF (Bad file descriptor) [pid 5757] close(4) = -1 EBADF (Bad file descriptor) [pid 5757] close(5) = -1 EBADF (Bad file descriptor) [pid 5757] close(6) = -1 EBADF (Bad file descriptor) [pid 5757] close(7) = -1 EBADF (Bad file descriptor) [pid 5757] close(8) = -1 EBADF (Bad file descriptor) [pid 5757] close(9) = -1 EBADF (Bad file descriptor) [pid 5757] close(10) = -1 EBADF (Bad file descriptor) [pid 5757] close(11) = -1 EBADF (Bad file descriptor) [pid 5757] close(12) = -1 EBADF (Bad file descriptor) [pid 5757] close(13) = -1 EBADF (Bad file descriptor) [pid 5757] close(14) = -1 EBADF (Bad file descriptor) [pid 5757] close(15) = -1 EBADF (Bad file descriptor) [pid 5757] close(16) = -1 EBADF (Bad file descriptor) [pid 5757] close(17) = -1 EBADF (Bad file descriptor) [pid 5757] close(18) = -1 EBADF (Bad file descriptor) [pid 5757] close(19) = -1 EBADF (Bad file descriptor) [pid 5757] close(20) = -1 EBADF (Bad file descriptor) [pid 5757] close(21) = -1 EBADF (Bad file descriptor) [pid 5757] close(22) = -1 EBADF (Bad file descriptor) [pid 5757] close(23) = -1 EBADF (Bad file descriptor) [pid 5757] close(24) = -1 EBADF (Bad file descriptor) [pid 5757] close(25) = -1 EBADF (Bad file descriptor) [pid 5757] close(26) = -1 EBADF (Bad file descriptor) [pid 5757] close(27) = -1 EBADF (Bad file descriptor) [pid 5757] close(28) = -1 EBADF (Bad file descriptor) [pid 5757] close(29) = -1 EBADF (Bad file descriptor) [pid 5757] exit_group(0 [pid 5759] <... clone resumed>) = ? [pid 5758] <... futex resumed>) = ? [pid 5757] <... exit_group resumed>) = ? [pid 5759] +++ exited with 0 +++ [pid 5758] +++ exited with 0 +++ [pid 5757] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=666, si_uid=0, si_status=0, si_utime=19 /* 0.19 s */, si_stime=64 /* 0.64 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 670 ./strace-static-x86_64: Process 5761 attached [pid 5761] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5761] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5761] setpgid(0, 0) = 0 [pid 5761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5761] write(3, "1000", 4) = 4 [pid 5761] close(3) = 0 [pid 5761] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5761] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5761] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5761] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[671], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 671 [pid 5761] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5761] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5762 attached [pid 5762] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5762] memfd_create("syzkaller", 0) = 3 [pid 5762] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5762] 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"..., 67108864 [pid 5760] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=669, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=40 /* 0.40 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5762] <... write resumed>) = 67108864 [pid 5762] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5762] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5762] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5762] ioctl(4, LOOP_CLR_FD) = 0 [pid 5762] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5762] close(4) = 0 [pid 5762] close(3) = 0 [pid 5762] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5761] <... futex resumed>) = 0 [pid 5761] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5761] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5762] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5761] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5761] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5761] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5762] <... mmap resumed>) = 0x20000000 [pid 5761] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5761] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5761] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[672], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 672 [pid 5761] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5761] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5762] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5762] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5763 attached [pid 5763] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5763] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5764 attached [pid 5764] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5761] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5761] close(3) = -1 EBADF (Bad file descriptor) [pid 5761] close(4) = -1 EBADF (Bad file descriptor) [pid 5761] close(5) = -1 EBADF (Bad file descriptor) [pid 5761] close(6) = -1 EBADF (Bad file descriptor) [pid 5761] close(7) = -1 EBADF (Bad file descriptor) [pid 5761] close(8) = -1 EBADF (Bad file descriptor) [pid 5761] close(9) = -1 EBADF (Bad file descriptor) [pid 5761] close(10) = -1 EBADF (Bad file descriptor) [pid 5761] close(11) = -1 EBADF (Bad file descriptor) [pid 5761] close(12) = -1 EBADF (Bad file descriptor) [pid 5761] close(13) = -1 EBADF (Bad file descriptor) [pid 5761] close(14) = -1 EBADF (Bad file descriptor) [pid 5761] close(15) = -1 EBADF (Bad file descriptor) [pid 5761] close(16) = -1 EBADF (Bad file descriptor) [pid 5761] close(17) = -1 EBADF (Bad file descriptor) [pid 5761] close(18) = -1 EBADF (Bad file descriptor) [pid 5761] close(19) = -1 EBADF (Bad file descriptor) [pid 5761] close(20) = -1 EBADF (Bad file descriptor) [pid 5761] close(21) = -1 EBADF (Bad file descriptor) [pid 5761] close(22) = -1 EBADF (Bad file descriptor) [pid 5761] close(23) = -1 EBADF (Bad file descriptor) [pid 5761] close(24) = -1 EBADF (Bad file descriptor) [pid 5761] close(25) = -1 EBADF (Bad file descriptor) [pid 5761] close(26) = -1 EBADF (Bad file descriptor) [pid 5761] close(27) = -1 EBADF (Bad file descriptor) [pid 5761] close(28) = -1 EBADF (Bad file descriptor) [pid 5761] close(29) = -1 EBADF (Bad file descriptor) [pid 5761] exit_group(0 [pid 5763] <... clone resumed>) = ? [pid 5762] <... futex resumed>) = ? [pid 5761] <... exit_group resumed>) = ? [pid 5763] +++ exited with 0 +++ [pid 5762] +++ exited with 0 +++ [pid 5761] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=670, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=60 /* 0.60 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 674 ./strace-static-x86_64: Process 5765 attached [pid 5765] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5765] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5765] setpgid(0, 0) = 0 [pid 5765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5765] write(3, "1000", 4) = 4 [pid 5765] close(3) = 0 [pid 5765] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5765] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5765] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5765] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[675], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 675 [pid 5765] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5765] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5766 attached [pid 5766] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5766] memfd_create("syzkaller", 0) = 3 [pid 5766] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5764] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=673, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5766] 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"..., 67108864) = 67108864 [pid 5766] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5766] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5766] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5766] ioctl(4, LOOP_CLR_FD) = 0 [pid 5766] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5766] close(4) = 0 [pid 5766] close(3) = 0 [pid 5766] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5765] <... futex resumed>) = 0 [pid 5765] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5765] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5766] <... futex resumed>) = 1 [pid 5766] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5765] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5765] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5765] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5765] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5765] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[676], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 676 [pid 5765] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5765] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5766] <... mmap resumed>) = 0x20000000 [pid 5766] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5766] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5767 attached [pid 5767] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5767] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5768 attached [pid 5768] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5765] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5765] close(3) = -1 EBADF (Bad file descriptor) [pid 5765] close(4) = -1 EBADF (Bad file descriptor) [pid 5765] close(5) = -1 EBADF (Bad file descriptor) [pid 5765] close(6) = -1 EBADF (Bad file descriptor) [pid 5765] close(7) = -1 EBADF (Bad file descriptor) [pid 5765] close(8) = -1 EBADF (Bad file descriptor) [pid 5765] close(9) = -1 EBADF (Bad file descriptor) [pid 5765] close(10) = -1 EBADF (Bad file descriptor) [pid 5765] close(11) = -1 EBADF (Bad file descriptor) [pid 5765] close(12) = -1 EBADF (Bad file descriptor) [pid 5765] close(13) = -1 EBADF (Bad file descriptor) [pid 5765] close(14) = -1 EBADF (Bad file descriptor) [pid 5765] close(15) = -1 EBADF (Bad file descriptor) [pid 5765] close(16) = -1 EBADF (Bad file descriptor) [pid 5765] close(17) = -1 EBADF (Bad file descriptor) [pid 5765] close(18) = -1 EBADF (Bad file descriptor) [pid 5765] close(19) = -1 EBADF (Bad file descriptor) [pid 5765] close(20) = -1 EBADF (Bad file descriptor) [pid 5765] close(21) = -1 EBADF (Bad file descriptor) [pid 5765] close(22) = -1 EBADF (Bad file descriptor) [pid 5765] close(23) = -1 EBADF (Bad file descriptor) [pid 5765] close(24) = -1 EBADF (Bad file descriptor) [pid 5765] close(25) = -1 EBADF (Bad file descriptor) [pid 5765] close(26) = -1 EBADF (Bad file descriptor) [pid 5765] close(27) = -1 EBADF (Bad file descriptor) [pid 5765] close(28) = -1 EBADF (Bad file descriptor) [pid 5765] close(29) = -1 EBADF (Bad file descriptor) [pid 5765] exit_group(0 [pid 5767] <... clone resumed>) = ? [pid 5766] <... futex resumed>) = ? [pid 5765] <... exit_group resumed>) = ? [pid 5767] +++ exited with 0 +++ [pid 5766] +++ exited with 0 +++ [pid 5765] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=674, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=66 /* 0.66 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 678 ./strace-static-x86_64: Process 5769 attached [pid 5769] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5769] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5769] setpgid(0, 0) = 0 [pid 5769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5769] write(3, "1000", 4) = 4 [pid 5769] close(3) = 0 [pid 5769] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5769] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5769] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5769] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[679], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 679 [pid 5769] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5769] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5770 attached [pid 5770] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5770] memfd_create("syzkaller", 0) = 3 [pid 5770] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5768] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=677, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5770] 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"..., 67108864) = 67108864 [pid 5770] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5770] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5770] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5770] ioctl(4, LOOP_CLR_FD) = 0 [pid 5770] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5770] close(4) = 0 [pid 5770] close(3) = 0 [pid 5770] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5769] <... futex resumed>) = 0 [pid 5769] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5769] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5770] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5769] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5769] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5769] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5769] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5770] <... mmap resumed>) = 0x20000000 [pid 5769] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5769] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5769] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5770] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5769] <... clone resumed>, parent_tid=[680], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 680 [pid 5769] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5769] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5770] <... futex resumed>) = 0 [pid 5770] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5771 attached [pid 5771] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5771] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5772 attached [pid 5772] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5769] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5769] close(3) = -1 EBADF (Bad file descriptor) [pid 5769] close(4) = -1 EBADF (Bad file descriptor) [pid 5769] close(5) = -1 EBADF (Bad file descriptor) [pid 5769] close(6) = -1 EBADF (Bad file descriptor) [pid 5769] close(7) = -1 EBADF (Bad file descriptor) [pid 5769] close(8) = -1 EBADF (Bad file descriptor) [pid 5769] close(9) = -1 EBADF (Bad file descriptor) [pid 5769] close(10) = -1 EBADF (Bad file descriptor) [pid 5769] close(11) = -1 EBADF (Bad file descriptor) [pid 5769] close(12) = -1 EBADF (Bad file descriptor) [pid 5769] close(13) = -1 EBADF (Bad file descriptor) [pid 5769] close(14) = -1 EBADF (Bad file descriptor) [pid 5769] close(15) = -1 EBADF (Bad file descriptor) [pid 5769] close(16) = -1 EBADF (Bad file descriptor) [pid 5769] close(17) = -1 EBADF (Bad file descriptor) [pid 5769] close(18) = -1 EBADF (Bad file descriptor) [pid 5769] close(19) = -1 EBADF (Bad file descriptor) [pid 5769] close(20) = -1 EBADF (Bad file descriptor) [pid 5769] close(21) = -1 EBADF (Bad file descriptor) [pid 5769] close(22) = -1 EBADF (Bad file descriptor) [pid 5769] close(23) = -1 EBADF (Bad file descriptor) [pid 5769] close(24) = -1 EBADF (Bad file descriptor) [pid 5769] close(25) = -1 EBADF (Bad file descriptor) [pid 5769] close(26) = -1 EBADF (Bad file descriptor) [pid 5769] close(27) = -1 EBADF (Bad file descriptor) [pid 5769] close(28) = -1 EBADF (Bad file descriptor) [pid 5769] close(29) = -1 EBADF (Bad file descriptor) [pid 5769] exit_group(0 [pid 5771] <... clone resumed>) = ? [pid 5770] <... futex resumed>) = ? [pid 5769] <... exit_group resumed>) = ? [pid 5771] +++ exited with 0 +++ [pid 5770] +++ exited with 0 +++ [pid 5769] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=678, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=72 /* 0.72 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 682 ./strace-static-x86_64: Process 5773 attached [pid 5773] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5773] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5773] setpgid(0, 0) = 0 [pid 5773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5773] write(3, "1000", 4) = 4 [pid 5773] close(3) = 0 [pid 5773] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5773] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5773] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5773] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[683], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 683 [pid 5773] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5773] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5774 attached [pid 5774] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5774] memfd_create("syzkaller", 0) = 3 [pid 5774] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5772] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=681, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5774] 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"..., 67108864) = 67108864 [pid 5774] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5774] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5774] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5774] ioctl(4, LOOP_CLR_FD) = 0 [pid 5774] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5774] close(4) = 0 [pid 5774] close(3) = 0 [pid 5774] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5773] <... futex resumed>) = 0 [pid 5773] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5773] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5774] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5773] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5773] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5773] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5773] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5774] <... mmap resumed>) = 0x20000000 [pid 5773] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5773] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5774] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5773] <... mprotect resumed>) = 0 [pid 5773] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[684], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 684 [pid 5773] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5773] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5774] <... futex resumed>) = 0 [pid 5774] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5775 attached [pid 5775] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5775] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5776 attached [pid 5776] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5773] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5773] close(3) = -1 EBADF (Bad file descriptor) [pid 5773] close(4) = -1 EBADF (Bad file descriptor) [pid 5773] close(5) = -1 EBADF (Bad file descriptor) [pid 5773] close(6) = -1 EBADF (Bad file descriptor) [pid 5773] close(7) = -1 EBADF (Bad file descriptor) [pid 5773] close(8) = -1 EBADF (Bad file descriptor) [pid 5773] close(9) = -1 EBADF (Bad file descriptor) [pid 5773] close(10) = -1 EBADF (Bad file descriptor) [pid 5773] close(11) = -1 EBADF (Bad file descriptor) [pid 5773] close(12) = -1 EBADF (Bad file descriptor) [pid 5773] close(13) = -1 EBADF (Bad file descriptor) [pid 5773] close(14) = -1 EBADF (Bad file descriptor) [pid 5773] close(15) = -1 EBADF (Bad file descriptor) [pid 5773] close(16) = -1 EBADF (Bad file descriptor) [pid 5773] close(17) = -1 EBADF (Bad file descriptor) [pid 5773] close(18) = -1 EBADF (Bad file descriptor) [pid 5773] close(19) = -1 EBADF (Bad file descriptor) [pid 5773] close(20) = -1 EBADF (Bad file descriptor) [pid 5773] close(21) = -1 EBADF (Bad file descriptor) [pid 5773] close(22) = -1 EBADF (Bad file descriptor) [pid 5773] close(23) = -1 EBADF (Bad file descriptor) [pid 5773] close(24) = -1 EBADF (Bad file descriptor) [pid 5773] close(25) = -1 EBADF (Bad file descriptor) [pid 5773] close(26) = -1 EBADF (Bad file descriptor) [pid 5773] close(27) = -1 EBADF (Bad file descriptor) [pid 5773] close(28) = -1 EBADF (Bad file descriptor) [pid 5773] close(29) = -1 EBADF (Bad file descriptor) [pid 5773] exit_group(0 [pid 5775] <... clone resumed>) = ? [pid 5774] <... futex resumed>) = ? [pid 5773] <... exit_group resumed>) = ? [pid 5775] +++ exited with 0 +++ [pid 5774] +++ exited with 0 +++ [pid 5773] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=682, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=63 /* 0.63 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 686 ./strace-static-x86_64: Process 5777 attached [pid 5777] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5777] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5777] setpgid(0, 0) = 0 [pid 5777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5777] write(3, "1000", 4) = 4 [pid 5777] close(3) = 0 [pid 5777] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5777] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5777] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5777] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[687], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 687 [pid 5777] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5777] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5778 attached [pid 5778] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5778] memfd_create("syzkaller", 0) = 3 [pid 5778] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5776] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=685, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5778] 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"..., 67108864) = 67108864 [pid 5778] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5778] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5778] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5778] ioctl(4, LOOP_CLR_FD) = 0 [pid 5778] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5778] close(4) = 0 [pid 5778] close(3) = 0 [pid 5778] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5777] <... futex resumed>) = 0 [pid 5777] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5777] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5778] <... futex resumed>) = 1 [pid 5778] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5777] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5777] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5777] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5777] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5777] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[688], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 688 [pid 5777] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5777] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5778] <... mmap resumed>) = 0x20000000 [pid 5778] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5778] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5779 attached [pid 5779] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5779] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5780 attached [pid 5780] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5777] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5777] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5777] close(3) = -1 EBADF (Bad file descriptor) [pid 5777] close(4) = -1 EBADF (Bad file descriptor) [pid 5777] close(5) = -1 EBADF (Bad file descriptor) [pid 5777] close(6) = -1 EBADF (Bad file descriptor) [pid 5777] close(7) = -1 EBADF (Bad file descriptor) [pid 5777] close(8) = -1 EBADF (Bad file descriptor) [pid 5777] close(9) = -1 EBADF (Bad file descriptor) [pid 5777] close(10) = -1 EBADF (Bad file descriptor) [pid 5777] close(11) = -1 EBADF (Bad file descriptor) [pid 5777] close(12) = -1 EBADF (Bad file descriptor) [pid 5777] close(13) = -1 EBADF (Bad file descriptor) [pid 5777] close(14) = -1 EBADF (Bad file descriptor) [pid 5777] close(15) = -1 EBADF (Bad file descriptor) [pid 5777] close(16) = -1 EBADF (Bad file descriptor) [pid 5777] close(17) = -1 EBADF (Bad file descriptor) [pid 5777] close(18) = -1 EBADF (Bad file descriptor) [pid 5777] close(19) = -1 EBADF (Bad file descriptor) [pid 5777] close(20) = -1 EBADF (Bad file descriptor) [pid 5777] close(21) = -1 EBADF (Bad file descriptor) [pid 5777] close(22) = -1 EBADF (Bad file descriptor) [pid 5777] close(23) = -1 EBADF (Bad file descriptor) [pid 5777] close(24) = -1 EBADF (Bad file descriptor) [pid 5777] close(25) = -1 EBADF (Bad file descriptor) [pid 5777] close(26) = -1 EBADF (Bad file descriptor) [pid 5777] close(27) = -1 EBADF (Bad file descriptor) [pid 5777] close(28) = -1 EBADF (Bad file descriptor) [pid 5777] close(29) = -1 EBADF (Bad file descriptor) [pid 5777] exit_group(0 [pid 5779] <... clone resumed>) = ? [pid 5778] <... futex resumed>) = ? [pid 5777] <... exit_group resumed>) = ? [pid 5779] +++ exited with 0 +++ [pid 5778] +++ exited with 0 +++ [pid 5777] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=686, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=68 /* 0.68 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 690 ./strace-static-x86_64: Process 5781 attached [pid 5781] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5781] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5781] setpgid(0, 0) = 0 [pid 5781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5781] write(3, "1000", 4) = 4 [pid 5781] close(3) = 0 [pid 5781] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5781] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5781] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5781] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[691], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 691 [pid 5781] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5781] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5782 attached [pid 5782] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5782] memfd_create("syzkaller", 0) = 3 [pid 5782] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5780] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=689, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5782] 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"..., 67108864) = 67108864 [pid 5782] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5782] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5782] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5782] ioctl(4, LOOP_CLR_FD) = 0 [pid 5782] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5782] close(4) = 0 [pid 5782] close(3) = 0 [pid 5782] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5781] <... futex resumed>) = 0 [pid 5781] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5781] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5782] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5781] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5781] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5781] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5782] <... mmap resumed>) = 0x20000000 [pid 5781] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5781] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5781] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[692], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 692 [pid 5781] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5781] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5782] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5782] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5783 attached [pid 5783] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5783] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5784 attached [pid 5784] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5781] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5781] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5781] close(3) = -1 EBADF (Bad file descriptor) [pid 5781] close(4) = -1 EBADF (Bad file descriptor) [pid 5781] close(5) = -1 EBADF (Bad file descriptor) [pid 5781] close(6) = -1 EBADF (Bad file descriptor) [pid 5781] close(7) = -1 EBADF (Bad file descriptor) [pid 5781] close(8) = -1 EBADF (Bad file descriptor) [pid 5781] close(9) = -1 EBADF (Bad file descriptor) [pid 5781] close(10) = -1 EBADF (Bad file descriptor) [pid 5781] close(11) = -1 EBADF (Bad file descriptor) [pid 5781] close(12) = -1 EBADF (Bad file descriptor) [pid 5781] close(13) = -1 EBADF (Bad file descriptor) [pid 5781] close(14) = -1 EBADF (Bad file descriptor) [pid 5781] close(15) = -1 EBADF (Bad file descriptor) [pid 5781] close(16) = -1 EBADF (Bad file descriptor) [pid 5781] close(17) = -1 EBADF (Bad file descriptor) [pid 5781] close(18) = -1 EBADF (Bad file descriptor) [pid 5781] close(19) = -1 EBADF (Bad file descriptor) [pid 5781] close(20) = -1 EBADF (Bad file descriptor) [pid 5781] close(21) = -1 EBADF (Bad file descriptor) [pid 5781] close(22) = -1 EBADF (Bad file descriptor) [pid 5781] close(23) = -1 EBADF (Bad file descriptor) [pid 5781] close(24) = -1 EBADF (Bad file descriptor) [pid 5781] close(25) = -1 EBADF (Bad file descriptor) [pid 5781] close(26) = -1 EBADF (Bad file descriptor) [pid 5781] close(27) = -1 EBADF (Bad file descriptor) [pid 5781] close(28) = -1 EBADF (Bad file descriptor) [pid 5781] close(29) = -1 EBADF (Bad file descriptor) [pid 5781] exit_group(0 [pid 5783] <... clone resumed>) = ? [pid 5782] <... futex resumed>) = ? [pid 5781] <... exit_group resumed>) = ? [pid 5783] +++ exited with 0 +++ [pid 5782] +++ exited with 0 +++ [pid 5781] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=690, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=67 /* 0.67 s */} --- [pid 5075] restart_syscall(<... resuming interrupted restart_syscall ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 694 ./strace-static-x86_64: Process 5785 attached [pid 5785] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5785] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5785] setpgid(0, 0) = 0 [pid 5785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5785] write(3, "1000", 4) = 4 [pid 5785] close(3) = 0 [pid 5785] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5785] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5785] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5785] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[695], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 695 [pid 5785] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5785] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5786 attached [pid 5786] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5786] memfd_create("syzkaller", 0) = 3 [pid 5786] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5784] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=693, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5786] 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"..., 67108864) = 67108864 [pid 5786] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5786] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5786] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5786] ioctl(4, LOOP_CLR_FD) = 0 [pid 5786] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5786] close(4) = 0 [pid 5786] close(3) = 0 [pid 5786] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5786] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5785] <... futex resumed>) = 0 [pid 5785] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5786] <... futex resumed>) = 0 [pid 5785] <... futex resumed>) = 1 [pid 5785] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5786] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5785] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5785] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5785] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5786] <... mmap resumed>) = 0x20000000 [pid 5785] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5786] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5785] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5786] <... futex resumed>) = 0 [pid 5785] <... mprotect resumed>) = 0 [pid 5786] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5785] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[696], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 696 [pid 5785] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5785] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5787 attached [pid 5787] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5787] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5788 attached [pid 5788] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5785] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5785] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5785] close(3) = -1 EBADF (Bad file descriptor) [pid 5785] close(4) = -1 EBADF (Bad file descriptor) [pid 5785] close(5) = -1 EBADF (Bad file descriptor) [pid 5785] close(6) = -1 EBADF (Bad file descriptor) [pid 5785] close(7) = -1 EBADF (Bad file descriptor) [pid 5785] close(8) = -1 EBADF (Bad file descriptor) [pid 5785] close(9) = -1 EBADF (Bad file descriptor) [pid 5785] close(10) = -1 EBADF (Bad file descriptor) [pid 5785] close(11) = -1 EBADF (Bad file descriptor) [pid 5785] close(12) = -1 EBADF (Bad file descriptor) [pid 5785] close(13) = -1 EBADF (Bad file descriptor) [pid 5785] close(14) = -1 EBADF (Bad file descriptor) [pid 5785] close(15) = -1 EBADF (Bad file descriptor) [pid 5785] close(16) = -1 EBADF (Bad file descriptor) [pid 5785] close(17) = -1 EBADF (Bad file descriptor) [pid 5785] close(18) = -1 EBADF (Bad file descriptor) [pid 5785] close(19) = -1 EBADF (Bad file descriptor) [pid 5785] close(20) = -1 EBADF (Bad file descriptor) [pid 5785] close(21) = -1 EBADF (Bad file descriptor) [pid 5785] close(22) = -1 EBADF (Bad file descriptor) [pid 5785] close(23) = -1 EBADF (Bad file descriptor) [pid 5785] close(24) = -1 EBADF (Bad file descriptor) [pid 5785] close(25) = -1 EBADF (Bad file descriptor) [pid 5785] close(26) = -1 EBADF (Bad file descriptor) [pid 5785] close(27) = -1 EBADF (Bad file descriptor) [pid 5785] close(28) = -1 EBADF (Bad file descriptor) [pid 5785] close(29) = -1 EBADF (Bad file descriptor) [pid 5785] exit_group(0 [pid 5787] <... clone resumed>) = ? [pid 5786] <... futex resumed>) = ? [pid 5785] <... exit_group resumed>) = ? [pid 5787] +++ exited with 0 +++ [pid 5786] +++ exited with 0 +++ [pid 5785] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=694, si_uid=0, si_status=0, si_utime=11 /* 0.11 s */, si_stime=66 /* 0.66 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 698 ./strace-static-x86_64: Process 5789 attached [pid 5789] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5789] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5789] setpgid(0, 0) = 0 [pid 5789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5789] write(3, "1000", 4) = 4 [pid 5789] close(3) = 0 [pid 5789] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5789] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5789] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5789] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[699], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 699 [pid 5789] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5789] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5790 attached [pid 5790] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5790] memfd_create("syzkaller", 0) = 3 [pid 5790] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5788] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=697, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=41 /* 0.41 s */} --- [pid 5790] 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"..., 67108864) = 67108864 [pid 5790] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5790] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5790] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5790] ioctl(4, LOOP_CLR_FD) = 0 [pid 5790] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5790] close(4) = 0 [pid 5790] close(3) = 0 [pid 5790] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5789] <... futex resumed>) = 0 [pid 5789] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5789] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5790] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5789] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5789] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5789] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5789] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5790] <... mmap resumed>) = 0x20000000 [pid 5789] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5789] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE [pid 5790] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5789] <... mprotect resumed>) = 0 [pid 5789] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5790] <... futex resumed>) = 0 [pid 5790] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5789] <... clone resumed>, parent_tid=[700], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 700 [pid 5789] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5789] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5791 attached [pid 5791] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5791] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5792 attached [pid 5792] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5789] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5789] close(3) = -1 EBADF (Bad file descriptor) [pid 5789] close(4) = -1 EBADF (Bad file descriptor) [pid 5789] close(5) = -1 EBADF (Bad file descriptor) [pid 5789] close(6) = -1 EBADF (Bad file descriptor) [pid 5789] close(7) = -1 EBADF (Bad file descriptor) [pid 5789] close(8) = -1 EBADF (Bad file descriptor) [pid 5789] close(9) = -1 EBADF (Bad file descriptor) [pid 5789] close(10) = -1 EBADF (Bad file descriptor) [pid 5789] close(11) = -1 EBADF (Bad file descriptor) [pid 5789] close(12) = -1 EBADF (Bad file descriptor) [pid 5789] close(13) = -1 EBADF (Bad file descriptor) [pid 5789] close(14) = -1 EBADF (Bad file descriptor) [pid 5789] close(15) = -1 EBADF (Bad file descriptor) [pid 5789] close(16) = -1 EBADF (Bad file descriptor) [pid 5789] close(17) = -1 EBADF (Bad file descriptor) [pid 5789] close(18) = -1 EBADF (Bad file descriptor) [pid 5789] close(19) = -1 EBADF (Bad file descriptor) [pid 5789] close(20) = -1 EBADF (Bad file descriptor) [pid 5789] close(21) = -1 EBADF (Bad file descriptor) [pid 5789] close(22) = -1 EBADF (Bad file descriptor) [pid 5789] close(23) = -1 EBADF (Bad file descriptor) [pid 5789] close(24) = -1 EBADF (Bad file descriptor) [pid 5789] close(25) = -1 EBADF (Bad file descriptor) [pid 5789] close(26) = -1 EBADF (Bad file descriptor) [pid 5789] close(27) = -1 EBADF (Bad file descriptor) [pid 5789] close(28) = -1 EBADF (Bad file descriptor) [pid 5789] close(29) = -1 EBADF (Bad file descriptor) [pid 5789] exit_group(0 [pid 5791] <... clone resumed>) = ? [pid 5790] <... futex resumed>) = ? [pid 5789] <... exit_group resumed>) = ? [pid 5791] +++ exited with 0 +++ [pid 5790] +++ exited with 0 +++ [pid 5789] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=698, si_uid=0, si_status=0, si_utime=17 /* 0.17 s */, si_stime=72 /* 0.72 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 702 ./strace-static-x86_64: Process 5793 attached [pid 5793] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5793] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5793] setpgid(0, 0) = 0 [pid 5793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5793] write(3, "1000", 4) = 4 [pid 5793] close(3) = 0 [pid 5793] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5793] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5793] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5793] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[703], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 703 [pid 5793] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5793] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5794 attached [pid 5794] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5794] memfd_create("syzkaller", 0) = 3 [pid 5794] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5792] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=701, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=41 /* 0.41 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5794] 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"..., 67108864) = 67108864 [pid 5794] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5794] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5794] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5794] ioctl(4, LOOP_CLR_FD) = 0 [pid 5794] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5794] close(4) = 0 [pid 5794] close(3) = 0 [pid 5794] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5793] <... futex resumed>) = 0 [pid 5793] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5793] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5794] <... futex resumed>) = 1 [pid 5794] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5793] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5793] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5793] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5793] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5793] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5793] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[704], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 704 [pid 5793] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5793] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5794] <... mmap resumed>) = 0x20000000 [pid 5794] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5794] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5795 attached [pid 5795] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5795] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5796 attached [pid 5796] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5793] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5793] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5793] close(3) = -1 EBADF (Bad file descriptor) [pid 5793] close(4) = -1 EBADF (Bad file descriptor) [pid 5793] close(5) = -1 EBADF (Bad file descriptor) [pid 5793] close(6) = -1 EBADF (Bad file descriptor) [pid 5793] close(7) = -1 EBADF (Bad file descriptor) [pid 5793] close(8) = -1 EBADF (Bad file descriptor) [pid 5793] close(9) = -1 EBADF (Bad file descriptor) [pid 5793] close(10) = -1 EBADF (Bad file descriptor) [pid 5793] close(11) = -1 EBADF (Bad file descriptor) [pid 5793] close(12) = -1 EBADF (Bad file descriptor) [pid 5793] close(13) = -1 EBADF (Bad file descriptor) [pid 5793] close(14) = -1 EBADF (Bad file descriptor) [pid 5793] close(15) = -1 EBADF (Bad file descriptor) [pid 5793] close(16) = -1 EBADF (Bad file descriptor) [pid 5793] close(17) = -1 EBADF (Bad file descriptor) [pid 5793] close(18) = -1 EBADF (Bad file descriptor) [pid 5793] close(19) = -1 EBADF (Bad file descriptor) [pid 5793] close(20) = -1 EBADF (Bad file descriptor) [pid 5793] close(21) = -1 EBADF (Bad file descriptor) [pid 5793] close(22) = -1 EBADF (Bad file descriptor) [pid 5793] close(23) = -1 EBADF (Bad file descriptor) [pid 5793] close(24) = -1 EBADF (Bad file descriptor) [pid 5793] close(25) = -1 EBADF (Bad file descriptor) [pid 5793] close(26) = -1 EBADF (Bad file descriptor) [pid 5793] close(27) = -1 EBADF (Bad file descriptor) [pid 5793] close(28) = -1 EBADF (Bad file descriptor) [pid 5793] close(29) = -1 EBADF (Bad file descriptor) [pid 5793] exit_group(0 [pid 5795] <... clone resumed>) = ? [pid 5794] <... futex resumed>) = ? [pid 5793] <... exit_group resumed>) = ? [pid 5795] +++ exited with 0 +++ [pid 5794] +++ exited with 0 +++ [pid 5793] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=702, si_uid=0, si_status=0, si_utime=16 /* 0.16 s */, si_stime=70 /* 0.70 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 706 ./strace-static-x86_64: Process 5797 attached [pid 5797] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5797] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5797] setpgid(0, 0) = 0 [pid 5797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5797] write(3, "1000", 4) = 4 [pid 5797] close(3) = 0 [pid 5797] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5797] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5797] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5797] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[707], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 707 [pid 5797] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5797] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5798 attached [pid 5798] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5798] memfd_create("syzkaller", 0) = 3 [pid 5798] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5796] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=705, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5798] 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"..., 67108864) = 67108864 [pid 5798] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5798] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5798] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5798] ioctl(4, LOOP_CLR_FD) = 0 [pid 5798] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5798] close(4) = 0 [pid 5798] close(3) = 0 [pid 5798] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5797] <... futex resumed>) = 0 [pid 5797] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5798] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5797] <... futex resumed>) = 0 [pid 5797] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5797] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5797] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5798] <... mmap resumed>) = 0x20000000 [pid 5797] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5797] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5797] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5798] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5797] <... clone resumed>, parent_tid=[708], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 708 [pid 5797] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5797] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5798] <... futex resumed>) = 0 [pid 5798] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5799 attached [pid 5799] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5799] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5800 attached [pid 5800] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5797] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5797] close(3) = -1 EBADF (Bad file descriptor) [pid 5797] close(4) = -1 EBADF (Bad file descriptor) [pid 5797] close(5) = -1 EBADF (Bad file descriptor) [pid 5797] close(6) = -1 EBADF (Bad file descriptor) [pid 5797] close(7) = -1 EBADF (Bad file descriptor) [pid 5797] close(8) = -1 EBADF (Bad file descriptor) [pid 5797] close(9) = -1 EBADF (Bad file descriptor) [pid 5797] close(10) = -1 EBADF (Bad file descriptor) [pid 5797] close(11) = -1 EBADF (Bad file descriptor) [pid 5797] close(12) = -1 EBADF (Bad file descriptor) [pid 5797] close(13) = -1 EBADF (Bad file descriptor) [pid 5797] close(14) = -1 EBADF (Bad file descriptor) [pid 5797] close(15) = -1 EBADF (Bad file descriptor) [pid 5797] close(16) = -1 EBADF (Bad file descriptor) [pid 5797] close(17) = -1 EBADF (Bad file descriptor) [pid 5797] close(18) = -1 EBADF (Bad file descriptor) [pid 5797] close(19) = -1 EBADF (Bad file descriptor) [pid 5797] close(20) = -1 EBADF (Bad file descriptor) [pid 5797] close(21) = -1 EBADF (Bad file descriptor) [pid 5797] close(22) = -1 EBADF (Bad file descriptor) [pid 5797] close(23) = -1 EBADF (Bad file descriptor) [pid 5797] close(24) = -1 EBADF (Bad file descriptor) [pid 5797] close(25) = -1 EBADF (Bad file descriptor) [pid 5797] close(26) = -1 EBADF (Bad file descriptor) [pid 5797] close(27) = -1 EBADF (Bad file descriptor) [pid 5797] close(28) = -1 EBADF (Bad file descriptor) [pid 5797] close(29) = -1 EBADF (Bad file descriptor) [pid 5797] exit_group(0 [pid 5799] <... clone resumed>) = ? [pid 5798] <... futex resumed>) = ? [pid 5797] <... exit_group resumed>) = ? [pid 5799] +++ exited with 0 +++ [pid 5798] +++ exited with 0 +++ [pid 5797] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=706, si_uid=0, si_status=0, si_utime=18 /* 0.18 s */, si_stime=59 /* 0.59 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 710 ./strace-static-x86_64: Process 5801 attached [pid 5801] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5801] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5801] setpgid(0, 0) = 0 [pid 5801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5801] write(3, "1000", 4) = 4 [pid 5801] close(3) = 0 [pid 5801] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5801] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5801] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5801] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[711], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 711 [pid 5801] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5801] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5802 attached [pid 5802] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5802] memfd_create("syzkaller", 0) = 3 [pid 5802] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5802] 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"..., 67108864 [pid 5800] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=709, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5802] <... write resumed>) = 67108864 [pid 5802] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5802] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5802] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5802] ioctl(4, LOOP_CLR_FD) = 0 [pid 5802] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5802] close(4) = 0 [pid 5802] close(3) = 0 [pid 5802] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5801] <... futex resumed>) = 0 [pid 5801] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5801] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5802] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5801] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5801] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5801] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5801] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5801] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5802] <... mmap resumed>) = 0x20000000 [pid 5801] <... mmap resumed>) = 0x7ff4cfb9b000 [pid 5801] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5802] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5801] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 5802] <... futex resumed>) = 0 [pid 5801] <... clone resumed>, parent_tid=[712], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 712 [pid 5801] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5801] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5802] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5803 attached [pid 5803] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5803] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5804 attached [pid 5804] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5801] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5801] close(3) = -1 EBADF (Bad file descriptor) [pid 5801] close(4) = -1 EBADF (Bad file descriptor) [pid 5801] close(5) = -1 EBADF (Bad file descriptor) [pid 5801] close(6) = -1 EBADF (Bad file descriptor) [pid 5801] close(7) = -1 EBADF (Bad file descriptor) [pid 5801] close(8) = -1 EBADF (Bad file descriptor) [pid 5801] close(9) = -1 EBADF (Bad file descriptor) [pid 5801] close(10) = -1 EBADF (Bad file descriptor) [pid 5801] close(11) = -1 EBADF (Bad file descriptor) [pid 5801] close(12) = -1 EBADF (Bad file descriptor) [pid 5801] close(13) = -1 EBADF (Bad file descriptor) [pid 5801] close(14) = -1 EBADF (Bad file descriptor) [pid 5801] close(15) = -1 EBADF (Bad file descriptor) [pid 5801] close(16) = -1 EBADF (Bad file descriptor) [pid 5801] close(17) = -1 EBADF (Bad file descriptor) [pid 5801] close(18) = -1 EBADF (Bad file descriptor) [pid 5801] close(19) = -1 EBADF (Bad file descriptor) [pid 5801] close(20) = -1 EBADF (Bad file descriptor) [pid 5801] close(21) = -1 EBADF (Bad file descriptor) [pid 5801] close(22) = -1 EBADF (Bad file descriptor) [pid 5801] close(23) = -1 EBADF (Bad file descriptor) [pid 5801] close(24) = -1 EBADF (Bad file descriptor) [pid 5801] close(25) = -1 EBADF (Bad file descriptor) [pid 5801] close(26) = -1 EBADF (Bad file descriptor) [pid 5801] close(27) = -1 EBADF (Bad file descriptor) [pid 5801] close(28) = -1 EBADF (Bad file descriptor) [pid 5801] close(29) = -1 EBADF (Bad file descriptor) [pid 5801] exit_group(0 [pid 5803] <... clone resumed>) = ? [pid 5802] <... futex resumed>) = ? [pid 5801] <... exit_group resumed>) = ? [pid 5803] +++ exited with 0 +++ [pid 5802] +++ exited with 0 +++ [pid 5801] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=710, si_uid=0, si_status=0, si_utime=15 /* 0.15 s */, si_stime=66 /* 0.66 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 714 ./strace-static-x86_64: Process 5805 attached [pid 5805] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5805] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5805] setpgid(0, 0) = 0 [pid 5805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5805] write(3, "1000", 4) = 4 [pid 5805] close(3) = 0 [pid 5805] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5805] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5805] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5805] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[715], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 715 [pid 5805] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5805] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5806 attached [pid 5806] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5806] memfd_create("syzkaller", 0) = 3 [pid 5806] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5806] 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"..., 67108864 [pid 5804] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=713, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5806] <... write resumed>) = 67108864 [pid 5806] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5806] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5806] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5806] ioctl(4, LOOP_CLR_FD) = 0 [pid 5806] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5806] close(4) = 0 [pid 5806] close(3) = 0 [pid 5806] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5805] <... futex resumed>) = 0 [pid 5806] <... futex resumed>) = 1 [pid 5806] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5805] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5805] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5805] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5805] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5805] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5805] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5805] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[716], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 716 [pid 5805] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5805] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5806] <... mmap resumed>) = 0x20000000 [pid 5806] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5806] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5807 attached [pid 5807] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5807] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5808 attached [pid 5808] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5805] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5805] close(3) = -1 EBADF (Bad file descriptor) [pid 5805] close(4) = -1 EBADF (Bad file descriptor) [pid 5805] close(5) = -1 EBADF (Bad file descriptor) [pid 5805] close(6) = -1 EBADF (Bad file descriptor) [pid 5805] close(7) = -1 EBADF (Bad file descriptor) [pid 5805] close(8) = -1 EBADF (Bad file descriptor) [pid 5805] close(9) = -1 EBADF (Bad file descriptor) [pid 5805] close(10) = -1 EBADF (Bad file descriptor) [pid 5805] close(11) = -1 EBADF (Bad file descriptor) [pid 5805] close(12) = -1 EBADF (Bad file descriptor) [pid 5805] close(13) = -1 EBADF (Bad file descriptor) [pid 5805] close(14) = -1 EBADF (Bad file descriptor) [pid 5805] close(15) = -1 EBADF (Bad file descriptor) [pid 5805] close(16) = -1 EBADF (Bad file descriptor) [pid 5805] close(17) = -1 EBADF (Bad file descriptor) [pid 5805] close(18) = -1 EBADF (Bad file descriptor) [pid 5805] close(19) = -1 EBADF (Bad file descriptor) [pid 5805] close(20) = -1 EBADF (Bad file descriptor) [pid 5805] close(21) = -1 EBADF (Bad file descriptor) [pid 5805] close(22) = -1 EBADF (Bad file descriptor) [pid 5805] close(23) = -1 EBADF (Bad file descriptor) [pid 5805] close(24) = -1 EBADF (Bad file descriptor) [pid 5805] close(25) = -1 EBADF (Bad file descriptor) [pid 5805] close(26) = -1 EBADF (Bad file descriptor) [pid 5805] close(27) = -1 EBADF (Bad file descriptor) [pid 5805] close(28) = -1 EBADF (Bad file descriptor) [pid 5805] close(29) = -1 EBADF (Bad file descriptor) [pid 5805] exit_group(0 [pid 5807] <... clone resumed>) = ? [pid 5806] <... futex resumed>) = ? [pid 5805] <... exit_group resumed>) = ? [pid 5807] +++ exited with 0 +++ [pid 5806] +++ exited with 0 +++ [pid 5805] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=714, si_uid=0, si_status=0, si_utime=13 /* 0.13 s */, si_stime=70 /* 0.70 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 718 ./strace-static-x86_64: Process 5809 attached [pid 5809] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5809] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5809] setpgid(0, 0) = 0 [pid 5809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5809] write(3, "1000", 4) = 4 [pid 5809] close(3) = 0 [pid 5809] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5809] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5809] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5809] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[719], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 719 [pid 5809] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5809] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5810 attached [pid 5810] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5810] memfd_create("syzkaller", 0) = 3 [pid 5810] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5810] 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"..., 67108864 [pid 5808] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=717, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5810] <... write resumed>) = 67108864 [pid 5810] munmap(0x7ff4cbbbc000, 67108864) = 0 [pid 5810] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5810] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5810] ioctl(4, LOOP_CLR_FD) = 0 [pid 5810] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5810] close(4) = 0 [pid 5810] close(3) = 0 [pid 5810] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5809] <... futex resumed>) = 0 [pid 5810] <... futex resumed>) = 1 [pid 5810] mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5809] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5809] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5809] futex(0x7ff4d40c46dc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5809] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4cfb9b000 [pid 5809] mprotect(0x7ff4cfb9c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5809] clone(child_stack=0x7ff4cfbbb3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[720], tls=0x7ff4cfbbb700, child_tidptr=0x7ff4cfbbb9d0) = 720 [pid 5809] futex(0x7ff4d40c46d8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5809] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5810] <... mmap resumed>) = 0x20000000 [pid 5810] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5810] futex(0x7ff4d40c46c8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 5811 attached [pid 5811] set_robust_list(0x7ff4cfbbb9e0, 24) = 0 [pid 5811] clone(child_stack=0x200001c0, flags=CLONE_VFORK|CLONE_IO./strace-static-x86_64: Process 5812 attached [pid 5812] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5809] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5809] futex(0x7ff4d40c46dc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 5809] close(3) = -1 EBADF (Bad file descriptor) [pid 5809] close(4) = -1 EBADF (Bad file descriptor) [pid 5809] close(5) = -1 EBADF (Bad file descriptor) [pid 5809] close(6) = -1 EBADF (Bad file descriptor) [pid 5809] close(7) = -1 EBADF (Bad file descriptor) [pid 5809] close(8) = -1 EBADF (Bad file descriptor) [pid 5809] close(9) = -1 EBADF (Bad file descriptor) [pid 5809] close(10) = -1 EBADF (Bad file descriptor) [pid 5809] close(11) = -1 EBADF (Bad file descriptor) [pid 5809] close(12) = -1 EBADF (Bad file descriptor) [pid 5809] close(13) = -1 EBADF (Bad file descriptor) [pid 5809] close(14) = -1 EBADF (Bad file descriptor) [pid 5809] close(15) = -1 EBADF (Bad file descriptor) [pid 5809] close(16) = -1 EBADF (Bad file descriptor) [pid 5809] close(17) = -1 EBADF (Bad file descriptor) [pid 5809] close(18) = -1 EBADF (Bad file descriptor) [pid 5809] close(19) = -1 EBADF (Bad file descriptor) [pid 5809] close(20) = -1 EBADF (Bad file descriptor) [pid 5809] close(21) = -1 EBADF (Bad file descriptor) [pid 5809] close(22) = -1 EBADF (Bad file descriptor) [pid 5809] close(23) = -1 EBADF (Bad file descriptor) [pid 5809] close(24) = -1 EBADF (Bad file descriptor) [pid 5809] close(25) = -1 EBADF (Bad file descriptor) [pid 5809] close(26) = -1 EBADF (Bad file descriptor) [pid 5809] close(27) = -1 EBADF (Bad file descriptor) [pid 5809] close(28) = -1 EBADF (Bad file descriptor) [pid 5809] close(29) = -1 EBADF (Bad file descriptor) [pid 5809] exit_group(0 [pid 5811] <... clone resumed>) = ? [pid 5810] <... futex resumed>) = ? [pid 5809] <... exit_group resumed>) = ? [pid 5811] +++ exited with 0 +++ [pid 5810] +++ exited with 0 +++ [pid 5809] +++ exited with 0 +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=718, si_uid=0, si_status=0, si_utime=12 /* 0.12 s */, si_stime=69 /* 0.69 s */} --- [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5075] ioctl(3, LOOP_CLR_FD) = 0 [pid 5075] close(3) = 0 [pid 5075] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555691f5d0) = 722 ./strace-static-x86_64: Process 5813 attached [pid 5813] set_robust_list(0x55555691f5e0, 24) = 0 [pid 5813] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5813] setpgid(0, 0) = 0 [pid 5813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5813] write(3, "1000", 4) = 4 [pid 5813] close(3) = 0 [pid 5813] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5813] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7ff4d3fbc000 [pid 5813] mprotect(0x7ff4d3fbd000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5813] clone(child_stack=0x7ff4d3fdc3f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tid=[723], tls=0x7ff4d3fdc700, child_tidptr=0x7ff4d3fdc9d0) = 723 [pid 5813] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5813] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000}./strace-static-x86_64: Process 5814 attached [pid 5814] set_robust_list(0x7ff4d3fdc9e0, 24) = 0 [pid 5814] memfd_create("syzkaller", 0) = 3 [pid 5814] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff4cbbbc000 [pid 5812] +++ killed by SIGSEGV (core dumped) +++ [pid 5075] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_DUMPED, si_pid=721, si_uid=0, si_status=SIGSEGV, si_utime=0, si_stime=41 /* 0.41 s */} --- [pid 5075] restart_syscall(<... resuming interrupted clone ...>) = 0 [ 285.451209][ T28] INFO: task kworker/u4:4:56 blocked for more than 143 seconds. [ 285.459008][ T28] Not tainted 6.3.0-rc3-syzkaller-00322-g4bdec23f971b #0 [ 285.479452][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 285.497844][ T28] task:kworker/u4:4 state:D stack:26464 pid:56 ppid:2 flags:0x00004000 [ 285.518094][ T28] Workqueue: writeback wb_workfn (flush-7:0) [ 285.530990][ T28] Call Trace: [ 285.534285][ T28] [ 285.537225][ T28] __schedule+0xc91/0x5770 [ 285.561005][ T28] ? io_schedule_timeout+0x150/0x150 [ 285.566347][ T28] ? rwsem_down_write_slowpath+0x3b8/0x1220 [ 285.580999][ T28] schedule+0xde/0x1a0 [ 285.585098][ T28] schedule_preempt_disabled+0x13/0x20 [ 285.590570][ T28] rwsem_down_write_slowpath+0x3e2/0x1220 [ 285.611054][ T28] ? down_timeout+0x90/0x90 [ 285.622489][ T28] ? lock_release+0x670/0x670 [ 285.632642][ T28] ? f2fs_write_inode+0x582/0xe00 [ 285.644404][ T28] ? f2fs_write_inode+0x582/0xe00 [ 285.656313][ T28] down_write+0x1d2/0x200 [ 285.666084][ T28] ? rwsem_down_write_slowpath+0x1220/0x1220 [ 285.680216][ T28] f2fs_balance_fs+0x54e/0x6c0 [ 285.690826][ T28] ? has_not_enough_free_secs.constprop.0+0x800/0x800 [ 285.707112][ T28] ? f2fs_update_inode+0xe58/0x2720 [ 285.719257][ T28] ? folio_flags.constprop.0+0x53/0x150 [ 285.741015][ T28] ? f2fs_put_page.constprop.0+0x1f9/0x690 [ 285.746888][ T28] f2fs_write_inode+0x582/0xe00 [ 285.761018][ T28] __writeback_single_inode+0x9f8/0xdc0 [ 285.766623][ T28] writeback_sb_inodes+0x54d/0xe70 [ 285.781004][ T28] ? sync_inode_metadata+0xe0/0xe0 [ 285.786182][ T28] __writeback_inodes_wb+0xc6/0x280 [ 285.801012][ T28] wb_writeback+0x7e9/0xa50 [ 285.805568][ T28] ? __writeback_inodes_wb+0x280/0x280 [ 285.821007][ T28] ? lock_downgrade+0x690/0x690 [ 285.825894][ T28] ? get_nr_inodes+0x50/0x1b0 [ 285.830592][ T28] ? get_nr_dirty_inodes+0x60/0x1d0 [ 285.835880][ T28] wb_workfn+0x765/0xfc0 [ 285.840149][ T28] ? inode_wait_for_writeback+0x40/0x40 [ 285.845768][ T28] ? lock_release+0x670/0x670 [ 285.850469][ T28] ? _raw_spin_unlock_irq+0x23/0x50 [ 285.855837][ T28] process_one_work+0x991/0x15c0 [ 285.860806][ T28] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 285.866329][ T28] ? spin_bug+0x1c0/0x1c0 [pid 5814] 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"..., 67108864) = 67108864 [pid 5814] munmap(0x7ff4cbbbc000, 67108864) = 0 [ 285.870669][ T28] ? _raw_spin_lock_irq+0x45/0x50 [ 285.875775][ T28] worker_thread+0x669/0x1090 [ 285.880480][ T28] ? __kthread_parkme+0x163/0x220 [ 285.885588][ T28] ? process_one_work+0x15c0/0x15c0 [ 285.890800][ T28] kthread+0x2e8/0x3a0 [ 285.902842][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 285.908610][ T28] ret_from_fork+0x1f/0x30 [ 285.913185][ T28] [pid 5814] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5814] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5814] ioctl(4, LOOP_CLR_FD) = 0 [pid 5814] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5814] close(4) = 0 [ 285.919415][ T28] [ 285.919415][ T28] Showing all locks held in the system: [ 285.927555][ T28] 1 lock held by rcu_tasks_kthre/12: [ 285.933148][ T28] #0: ffffffff8c794b70 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 [ 285.945773][ T28] 1 lock held by rcu_tasks_trace/13: [ 285.951330][ T28] #0: ffffffff8c794870 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80 [ 285.962462][ T28] 1 lock held by khungtaskd/28: [ 285.967366][ T28] #0: ffffffff8c7956c0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340 [ 285.989522][ T28] 4 locks held by kworker/u4:4/56: [ 285.994711][ T28] #0: ffff88801750f138 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x87a/0x15c0 [ 286.005562][ T28] #1: ffffc90001577da8 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x15c0 [ 286.017675][ T28] #2: ffff8880244ae0e0 (&type->s_umount_key#44){.+.+}-{3:3}, at: trylock_super+0x21/0x110 [ 286.028009][ T28] #3: ffff8880200f12a8 (&sbi->gc_lock){+.+.}-{3:3}, at: f2fs_balance_fs+0x54e/0x6c0 [ 286.037623][ T28] 2 locks held by getty/4755: [ 286.042385][ T28] #0: ffff88802be78098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 [ 286.052386][ T28] #1: ffffc900015a02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 [ 286.062699][ T28] 3 locks held by syz-executor470/5084: [ 286.068286][ T28] 1 lock held by syz-executor470/5814: [ 286.073850][ T28] [ 286.076223][ T28] ============================================= [ 286.076223][ T28] [ 286.084690][ T28] NMI backtrace for cpu 1 [ 286.089015][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.3.0-rc3-syzkaller-00322-g4bdec23f971b #0 [ 286.098813][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 286.108861][ T28] Call Trace: [ 286.112132][ T28] [ 286.115062][ T28] dump_stack_lvl+0xd9/0x150 [ 286.119655][ T28] nmi_cpu_backtrace+0x29c/0x350 [ 286.124600][ T28] ? lapic_can_unplug_cpu+0xa0/0xa0 [ 286.129796][ T28] nmi_trigger_cpumask_backtrace+0x2a4/0x300 [ 286.135794][ T28] watchdog+0xe16/0x1090 [ 286.140057][ T28] ? proc_dohung_task_timeout_secs+0x80/0x80 [ 286.146044][ T28] kthread+0x2e8/0x3a0 [ 286.150202][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 286.155842][ T28] ret_from_fork+0x1f/0x30 [ 286.160273][ T28] [ 286.163393][ T28] Sending NMI from CPU 1 to CPUs 0: [ 286.168686][ C0] NMI backtrace for cpu 0 [ 286.168693][ C0] CPU: 0 PID: 5814 Comm: syz-executor470 Not tainted 6.3.0-rc3-syzkaller-00322-g4bdec23f971b #0 [ 286.168706][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 286.168712][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x3b/0x70 [ 286.168728][ C0] Code: 81 e1 00 01 00 00 65 48 8b 14 25 80 b8 03 00 a9 00 01 ff 00 74 0e 85 c9 74 35 8b 82 74 15 00 00 85 c0 74 2b 8b 82 50 15 00 00 <83> f8 02 75 20 48 8b 8a 58 15 00 00 8b 92 54 15 00 00 48 8b 01 48 [ 286.168738][ C0] RSP: 0018:ffffc9000444f8b8 EFLAGS: 00000246 [ 286.168748][ C0] RAX: 0000000000000000 RBX: ffff88802bb0af58 RCX: 0000000000000000 [ 286.168755][ C0] RDX: ffff888026079d40 RSI: ffffffff81b30401 RDI: 0000000000000001 [ 286.168762][ C0] RBP: ffffea0001b5f3c0 R08: 0000000000000001 R09: 0000000000000000 [ 286.168768][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 286.168775][ C0] R13: 0000000000000000 R14: ffffc9000444fa48 R15: 0000000000000001 [ 286.168783][ C0] FS: 00007ff4d3fdc700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 286.168794][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 286.168802][ C0] CR2: 00007ff4cfbbb000 CR3: 00000000294d8000 CR4: 0000000000350ef0 [ 286.168809][ C0] Call Trace: [ 286.168812][ C0] [ 286.168815][ C0] truncate_inode_folio+0x51/0x70 [ 286.168835][ C0] shmem_undo_range+0x33e/0x1340 [ 286.168848][ C0] ? shmem_symlink+0x610/0x610 [ 286.168868][ C0] shmem_evict_inode+0x32f/0xb60 [ 286.168879][ C0] ? shmem_truncate_range+0xc0/0xc0 [pid 5814] close(3) = 0 [pid 5814] futex(0x7ff4d40c46cc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5813] <... futex resumed>) = 0 [pid 5813] futex(0x7ff4d40c46c8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5813] futex(0x7ff4d40c46cc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5814] <... futex resumed>) = 1 [ 286.168889][ C0] ? lock_downgrade+0x690/0x690 [ 286.168901][ C0] ? cpuacct_css_alloc+0x160/0x160 [ 286.168914][ C0] ? spin_bug+0x1c0/0x1c0 [ 286.168927][ C0] ? shmem_truncate_range+0xc0/0xc0 [ 286.168938][ C0] evict+0x2ed/0x6b0 [ 286.168953][ C0] iput.part.0+0x50a/0x740 [ 286.168967][ C0] ? __remove_inode_hash+0x130/0x130 [ 286.168981][ C0] iput+0x5c/0x80 [ 286.168994][ C0] dentry_unlink_inode+0x2b1/0x460 [ 286.169006][ C0] __dentry_kill+0x3c0/0x640 [ 286.169017][ C0] ? dput+0x39/0xe10 [ 286.169028][ C0] ? dput+0x39/0xe10 [ 286.169039][ C0] dput+0x865/0xe10 [ 286.169051][ C0] __fput+0x3cc/0xa90 [ 286.169065][ C0] task_work_run+0x16f/0x270 [ 286.169083][ C0] ? task_work_cancel+0x30/0x30 [ 286.169101][ C0] ptrace_notify+0x118/0x140 [ 286.169113][ C0] syscall_exit_to_user_mode_prepare+0x129/0x220 [ 286.169129][ C0] syscall_exit_to_user_mode+0xd/0x50 [ 286.169145][ C0] do_syscall_64+0x46/0xb0 [ 286.169155][ C0] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 286.169172][ C0] RIP: 0033:0x7ff4d3feca4b [ 286.169181][ C0] Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 03 fd ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 41 fd ff ff 8b 44 [ 286.169191][ C0] RSP: 002b:00007ff4d3fdc160 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 286.169201][ C0] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007ff4d3feca4b [ 286.169207][ C0] RDX: 0000000000000010 RSI: 0000000000004c00 RDI: 0000000000000003 [ 286.169214][ C0] RBP: 0000000000000004 R08: 0000000000000000 R09: 00000000000105f8 [ 286.169220][ C0] R10: 0000000000000000 R11: 0000000000000293 R12: 00007ff4d3fdc6b8 [ 286.169227][ C0] R13: 00007ff4d3fdc190 R14: 00007ff4d3fdc1d0 R15: 0000000000000010 [ 286.169237][ C0] [ 286.169915][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 286.500689][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.3.0-rc3-syzkaller-00322-g4bdec23f971b #0 [ 286.510575][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 [ 286.520626][ T28] Call Trace: [ 286.523896][ T28] [ 286.526885][ T28] dump_stack_lvl+0xd9/0x150 [ 286.531472][ T28] panic+0x688/0x730 [ 286.535363][ T28] ? panic_smp_self_stop+0x90/0x90 [ 286.540469][ T28] ? lapic_can_unplug_cpu+0xa0/0xa0 [ 286.545656][ T28] ? preempt_schedule_thunk+0x1a/0x20 [ 286.551029][ T28] ? watchdog+0xbe8/0x1090 [ 286.555455][ T28] watchdog+0xbf9/0x1090 [ 286.559685][ T28] ? proc_dohung_task_timeout_secs+0x80/0x80 [ 286.565656][ T28] kthread+0x2e8/0x3a0 [ 286.569800][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 286.575425][ T28] ret_from_fork+0x1f/0x30 [ 286.579842][ T28] [ 286.583756][ T28] Kernel Offset: disabled [ 286.588073][ T28] Rebooting in 86400 seconds..