./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor305660853 <...> [ 3.314619][ T30] audit: type=1400 audit(1672878572.360:9): avc: denied { append open } for pid=164 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 3.320739][ T30] audit: type=1400 audit(1672878572.360:10): avc: denied { getattr } for pid=164 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=2 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 3.330977][ T166] acpid (166) used greatest stack depth: 24200 bytes left [ 3.480621][ T181] udevd[181]: starting version 3.2.10 [ 3.506053][ T182] udevd[182]: starting eudev-3.2.10 [ 3.508207][ T181] udevd (181) used greatest stack depth: 22976 bytes left [ 11.819736][ T30] kauditd_printk_skb: 49 callbacks suppressed [ 11.819746][ T30] audit: type=1400 audit(1672878580.880:60): avc: denied { transition } for pid=318 comm="sshd" path="/bin/sh" dev="sda1" ino=73 scontext=system_u:system_r:initrc_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 11.826201][ T30] audit: type=1400 audit(1672878580.880:61): avc: denied { write } for pid=318 comm="sh" path="pipe:[13038]" dev="pipefs" ino=13038 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 [ 12.850829][ T321] scp (321) used greatest stack depth: 22336 bytes left Warning: Permanently added '10.128.0.196' (ECDSA) to the list of known hosts. execve("./syz-executor305660853", ["./syz-executor305660853"], 0x7fff74b40a50 /* 10 vars */) = 0 brk(NULL) = 0x555556e0f000 brk(0x555556e0fc40) = 0x555556e0fc40 arch_prctl(ARCH_SET_FS, 0x555556e0f300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor305660853", 4096) = 27 brk(0x555556e30c40) = 0x555556e30c40 brk(0x555556e31000) = 0x555556e31000 mprotect(0x7f26b09ee000, 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 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 408 ./strace-static-x86_64: Process 408 attached [pid 408] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 408] setpgid(0, 0) = 0 [pid 408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 408] write(3, "1000", 4) = 4 [pid 408] close(3) = 0 [pid 408] memfd_create("syzkaller", 0) = 3 [pid 408] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 408] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 408] munmap(0x7f26a8533000, 131072) = 0 [pid 408] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 408] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 408] close(3) = 0 [pid 408] mkdir("./file0", 0777) = 0 [ 19.766077][ T30] audit: type=1400 audit(1672878588.820:62): avc: denied { execmem } for pid=407 comm="syz-executor305" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 19.775297][ T30] audit: type=1400 audit(1672878588.820:63): avc: denied { read write } for pid=407 comm="syz-executor305" name="loop0" dev="devtmpfs" ino=111 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 19.776301][ T408] loop0: detected capacity change from 0 to 256 [ 19.780212][ T30] audit: type=1400 audit(1672878588.820:64): avc: denied { open } for pid=407 comm="syz-executor305" path="/dev/loop0" dev="devtmpfs" ino=111 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 19.782784][ T408] ======================================================= [ 19.782784][ T408] WARNING: The mand mount option has been deprecated and [ 19.782784][ T408] and is ignored by this kernel. Remove the mand [ 19.782784][ T408] option from the mount to silence this warning. [ 19.782784][ T408] ======================================================= [pid 408] mount("/dev/loop0", "./file0", "msdos", MS_NOEXEC|MS_MANDLOCK|MS_DIRSYNC|MS_POSIXACL|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME|MS_LAZYTIME, "check=strict,nodots,showexec,nodots,flush,dots,uid=0x000000000000ee01,nocase,nodots,dos1xfloppy,usef"...) = 0 [pid 408] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 408] chdir("./file0") = 0 [pid 408] ioctl(4, LOOP_CLR_FD) = 0 [pid 408] close(4) = 0 [pid 408] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = 4 [pid 408] open("./file0", O_RDONLY) = 5 [pid 408] write(4, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = 1025 [pid 408] unlink("./file0") = 0 [pid 408] sendfile(4, 5, NULL, 73478) = 1025 [pid 408] exit_group(0) = ? [ 19.785301][ T30] audit: type=1400 audit(1672878588.820:65): avc: denied { ioctl } for pid=407 comm="syz-executor305" path="/dev/loop0" dev="devtmpfs" ino=111 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 19.844532][ T30] audit: type=1400 audit(1672878588.850:66): avc: denied { mounton } for pid=408 comm="syz-executor305" path="/root/file0" dev="sda1" ino=1138 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 19.867730][ T30] audit: type=1400 audit(1672878588.910:67): avc: denied { mount } for pid=408 comm="syz-executor305" name="/" dev="loop0" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:dosfs_t tclass=filesystem permissive=1 [pid 408] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=408, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 410 ./strace-static-x86_64: Process 410 attached [pid 410] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 410] setpgid(0, 0) = 0 [pid 410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 410] write(3, "1000", 4) = 4 [pid 410] close(3) = 0 [pid 410] memfd_create("syzkaller", 0) = 3 [pid 410] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 410] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 410] munmap(0x7f26a8533000, 131072) = 0 [pid 410] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 410] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 410] ioctl(4, LOOP_CLR_FD) = 0 [pid 410] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 410] close(4) = 0 [pid 410] close(3) = 0 [pid 410] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 410] open("./file0", O_RDONLY) = 3 [pid 410] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 410] unlink("./file0") = -1 EISDIR (Is a directory) [pid 410] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 410] exit_group(0) = ? [pid 410] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=410, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 411 ./strace-static-x86_64: Process 411 attached [pid 411] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 411] setpgid(0, 0) = 0 [pid 411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 411] write(3, "1000", 4) = 4 [pid 411] close(3) = 0 [pid 411] memfd_create("syzkaller", 0) = 3 [pid 411] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 411] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 411] munmap(0x7f26a8533000, 131072) = 0 [pid 411] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 411] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 411] ioctl(4, LOOP_CLR_FD) = 0 [pid 411] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 411] close(4) = 0 [pid 411] close(3) = 0 [pid 411] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 411] open("./file0", O_RDONLY) = 3 [pid 411] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 411] unlink("./file0") = -1 EISDIR (Is a directory) [pid 411] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 411] exit_group(0) = ? [pid 411] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=411, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 412 ./strace-static-x86_64: Process 412 attached [pid 412] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 412] setpgid(0, 0) = 0 [pid 412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 412] write(3, "1000", 4) = 4 [pid 412] close(3) = 0 [pid 412] memfd_create("syzkaller", 0) = 3 [pid 412] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 412] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 412] munmap(0x7f26a8533000, 131072) = 0 [pid 412] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 412] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 412] ioctl(4, LOOP_CLR_FD) = 0 [pid 412] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 412] close(4) = 0 [pid 412] close(3) = 0 [pid 412] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 412] open("./file0", O_RDONLY) = 3 [pid 412] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 412] unlink("./file0") = -1 EISDIR (Is a directory) [pid 412] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 412] exit_group(0) = ? [pid 412] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=412, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 413 ./strace-static-x86_64: Process 413 attached [pid 413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 413] setpgid(0, 0) = 0 [pid 413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 413] write(3, "1000", 4) = 4 [pid 413] close(3) = 0 [pid 413] memfd_create("syzkaller", 0) = 3 [pid 413] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 413] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 413] munmap(0x7f26a8533000, 131072) = 0 [pid 413] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 413] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 413] ioctl(4, LOOP_CLR_FD) = 0 [pid 413] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 413] close(4) = 0 [pid 413] close(3) = 0 [pid 413] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 413] open("./file0", O_RDONLY) = 3 [pid 413] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 413] unlink("./file0") = -1 EISDIR (Is a directory) [pid 413] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 413] exit_group(0) = ? [pid 413] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=413, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 414 ./strace-static-x86_64: Process 414 attached [pid 414] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 414] setpgid(0, 0) = 0 [pid 414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 414] write(3, "1000", 4) = 4 [pid 414] close(3) = 0 [pid 414] memfd_create("syzkaller", 0) = 3 [pid 414] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 414] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 414] munmap(0x7f26a8533000, 131072) = 0 [pid 414] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 414] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 414] ioctl(4, LOOP_CLR_FD) = 0 [pid 414] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 414] close(4) = 0 [pid 414] close(3) = 0 [pid 414] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 414] open("./file0", O_RDONLY) = 3 [pid 414] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 414] unlink("./file0") = -1 EISDIR (Is a directory) [pid 414] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 414] exit_group(0) = ? [pid 414] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=414, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 415 ./strace-static-x86_64: Process 415 attached [pid 415] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 415] setpgid(0, 0) = 0 [pid 415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 415] write(3, "1000", 4) = 4 [pid 415] close(3) = 0 [pid 415] memfd_create("syzkaller", 0) = 3 [pid 415] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 415] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 415] munmap(0x7f26a8533000, 131072) = 0 [pid 415] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 415] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 415] ioctl(4, LOOP_CLR_FD) = 0 [pid 415] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 415] close(4) = 0 [pid 415] close(3) = 0 [pid 415] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 415] open("./file0", O_RDONLY) = 3 [pid 415] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 415] unlink("./file0") = -1 EISDIR (Is a directory) [pid 415] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 415] exit_group(0) = ? [pid 415] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=415, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 416 ./strace-static-x86_64: Process 416 attached [pid 416] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 416] setpgid(0, 0) = 0 [pid 416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 416] write(3, "1000", 4) = 4 [pid 416] close(3) = 0 [pid 416] memfd_create("syzkaller", 0) = 3 [pid 416] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 416] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 416] munmap(0x7f26a8533000, 131072) = 0 [pid 416] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 416] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 416] ioctl(4, LOOP_CLR_FD) = 0 [pid 416] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 416] close(4) = 0 [pid 416] close(3) = 0 [pid 416] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 416] open("./file0", O_RDONLY) = 3 [pid 416] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 416] unlink("./file0") = -1 EISDIR (Is a directory) [pid 416] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 416] exit_group(0) = ? [pid 416] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=416, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 417 ./strace-static-x86_64: Process 417 attached [pid 417] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 417] setpgid(0, 0) = 0 [pid 417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 417] write(3, "1000", 4) = 4 [pid 417] close(3) = 0 [pid 417] memfd_create("syzkaller", 0) = 3 [pid 417] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 417] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 417] munmap(0x7f26a8533000, 131072) = 0 [pid 417] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 417] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 417] ioctl(4, LOOP_CLR_FD) = 0 [pid 417] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 417] close(4) = 0 [pid 417] close(3) = 0 [pid 417] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 417] open("./file0", O_RDONLY) = 3 [pid 417] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 417] unlink("./file0") = -1 EISDIR (Is a directory) [pid 417] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 417] exit_group(0) = ? [pid 417] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=417, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 418 ./strace-static-x86_64: Process 418 attached [pid 418] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 418] setpgid(0, 0) = 0 [pid 418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 418] write(3, "1000", 4) = 4 [pid 418] close(3) = 0 [pid 418] memfd_create("syzkaller", 0) = 3 [pid 418] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 418] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 418] munmap(0x7f26a8533000, 131072) = 0 [pid 418] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 418] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 418] ioctl(4, LOOP_CLR_FD) = 0 [pid 418] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 418] close(4) = 0 [pid 418] close(3) = 0 [pid 418] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 418] open("./file0", O_RDONLY) = 3 [pid 418] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 418] unlink("./file0") = -1 EISDIR (Is a directory) [pid 418] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 418] exit_group(0) = ? [pid 418] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=418, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 419 ./strace-static-x86_64: Process 419 attached [pid 419] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 419] setpgid(0, 0) = 0 [pid 419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 419] write(3, "1000", 4) = 4 [pid 419] close(3) = 0 [pid 419] memfd_create("syzkaller", 0) = 3 [pid 419] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 419] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 419] munmap(0x7f26a8533000, 131072) = 0 [pid 419] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 419] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 419] ioctl(4, LOOP_CLR_FD) = 0 [pid 419] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 419] close(4) = 0 [pid 419] close(3) = 0 [pid 419] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 419] open("./file0", O_RDONLY) = 3 [pid 419] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 419] unlink("./file0") = -1 EISDIR (Is a directory) [pid 419] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 419] exit_group(0) = ? [pid 419] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=419, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 420 ./strace-static-x86_64: Process 420 attached [pid 420] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 420] setpgid(0, 0) = 0 [pid 420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 420] write(3, "1000", 4) = 4 [pid 420] close(3) = 0 [pid 420] memfd_create("syzkaller", 0) = 3 [pid 420] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 420] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 420] munmap(0x7f26a8533000, 131072) = 0 [pid 420] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 420] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 420] ioctl(4, LOOP_CLR_FD) = 0 [pid 420] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 420] close(4) = 0 [pid 420] close(3) = 0 [pid 420] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 420] open("./file0", O_RDONLY) = 3 [pid 420] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 420] unlink("./file0") = -1 EISDIR (Is a directory) [pid 420] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 420] exit_group(0) = ? [pid 420] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=420, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 421 ./strace-static-x86_64: Process 421 attached [pid 421] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 421] setpgid(0, 0) = 0 [pid 421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 421] write(3, "1000", 4) = 4 [pid 421] close(3) = 0 [pid 421] memfd_create("syzkaller", 0) = 3 [pid 421] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 421] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 421] munmap(0x7f26a8533000, 131072) = 0 [pid 421] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 421] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 421] ioctl(4, LOOP_CLR_FD) = 0 [pid 421] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 421] close(4) = 0 [pid 421] close(3) = 0 [pid 421] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 421] open("./file0", O_RDONLY) = 3 [pid 421] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 421] unlink("./file0") = -1 EISDIR (Is a directory) [pid 421] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 421] exit_group(0) = ? [pid 421] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=421, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 422 ./strace-static-x86_64: Process 422 attached [pid 422] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 422] setpgid(0, 0) = 0 [pid 422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 422] write(3, "1000", 4) = 4 [pid 422] close(3) = 0 [pid 422] memfd_create("syzkaller", 0) = 3 [pid 422] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 422] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 422] munmap(0x7f26a8533000, 131072) = 0 [pid 422] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 422] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 422] ioctl(4, LOOP_CLR_FD) = 0 [pid 422] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 422] close(4) = 0 [pid 422] close(3) = 0 [pid 422] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 422] open("./file0", O_RDONLY) = 3 [pid 422] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 422] unlink("./file0") = -1 EISDIR (Is a directory) [pid 422] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 422] exit_group(0) = ? [pid 422] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=422, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 423 ./strace-static-x86_64: Process 423 attached [pid 423] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 423] setpgid(0, 0) = 0 [pid 423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 423] write(3, "1000", 4) = 4 [pid 423] close(3) = 0 [pid 423] memfd_create("syzkaller", 0) = 3 [pid 423] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 423] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 423] munmap(0x7f26a8533000, 131072) = 0 [pid 423] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 423] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 423] ioctl(4, LOOP_CLR_FD) = 0 [pid 423] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 423] close(4) = 0 [pid 423] close(3) = 0 [pid 423] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 423] open("./file0", O_RDONLY) = 3 [pid 423] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 423] unlink("./file0") = -1 EISDIR (Is a directory) [pid 423] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 423] exit_group(0) = ? [pid 423] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=423, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 424 ./strace-static-x86_64: Process 424 attached [pid 424] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 424] setpgid(0, 0) = 0 [pid 424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 424] write(3, "1000", 4) = 4 [pid 424] close(3) = 0 [pid 424] memfd_create("syzkaller", 0) = 3 [pid 424] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 424] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 424] munmap(0x7f26a8533000, 131072) = 0 [pid 424] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 424] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 424] ioctl(4, LOOP_CLR_FD) = 0 [pid 424] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 424] close(4) = 0 [pid 424] close(3) = 0 [pid 424] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 424] open("./file0", O_RDONLY) = 3 [pid 424] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 424] unlink("./file0") = -1 EISDIR (Is a directory) [pid 424] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 424] exit_group(0) = ? [pid 424] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=424, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 425 ./strace-static-x86_64: Process 425 attached [pid 425] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 425] setpgid(0, 0) = 0 [pid 425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 425] write(3, "1000", 4) = 4 [pid 425] close(3) = 0 [pid 425] memfd_create("syzkaller", 0) = 3 [pid 425] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 425] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 425] munmap(0x7f26a8533000, 131072) = 0 [pid 425] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 425] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 425] ioctl(4, LOOP_CLR_FD) = 0 [pid 425] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 425] close(4) = 0 [pid 425] close(3) = 0 [pid 425] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 425] open("./file0", O_RDONLY) = 3 [pid 425] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 425] unlink("./file0") = -1 EISDIR (Is a directory) [pid 425] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 425] exit_group(0) = ? [pid 425] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=425, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 426 ./strace-static-x86_64: Process 426 attached [pid 426] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 426] setpgid(0, 0) = 0 [pid 426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 426] write(3, "1000", 4) = 4 [pid 426] close(3) = 0 [pid 426] memfd_create("syzkaller", 0) = 3 [pid 426] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 426] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 426] munmap(0x7f26a8533000, 131072) = 0 [pid 426] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 426] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 426] ioctl(4, LOOP_CLR_FD) = 0 [pid 426] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 426] close(4) = 0 [pid 426] close(3) = 0 [pid 426] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 426] open("./file0", O_RDONLY) = 3 [pid 426] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 426] unlink("./file0") = -1 EISDIR (Is a directory) [pid 426] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 426] exit_group(0) = ? [pid 426] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=426, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 427 ./strace-static-x86_64: Process 427 attached [pid 427] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 427] setpgid(0, 0) = 0 [pid 427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 427] write(3, "1000", 4) = 4 [pid 427] close(3) = 0 [pid 427] memfd_create("syzkaller", 0) = 3 [pid 427] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 427] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 427] munmap(0x7f26a8533000, 131072) = 0 [pid 427] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 427] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 427] ioctl(4, LOOP_CLR_FD) = 0 [pid 427] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 427] close(4) = 0 [pid 427] close(3) = 0 [pid 427] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 427] open("./file0", O_RDONLY) = 3 [pid 427] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 427] unlink("./file0") = -1 EISDIR (Is a directory) [pid 427] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 427] exit_group(0) = ? [pid 427] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=427, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 428 ./strace-static-x86_64: Process 428 attached [pid 428] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 428] setpgid(0, 0) = 0 [pid 428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 428] write(3, "1000", 4) = 4 [pid 428] close(3) = 0 [pid 428] memfd_create("syzkaller", 0) = 3 [pid 428] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 428] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 428] munmap(0x7f26a8533000, 131072) = 0 [pid 428] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 428] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 428] ioctl(4, LOOP_CLR_FD) = 0 [pid 428] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 428] close(4) = 0 [pid 428] close(3) = 0 [pid 428] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 428] open("./file0", O_RDONLY) = 3 [pid 428] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 428] unlink("./file0") = -1 EISDIR (Is a directory) [pid 428] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 428] exit_group(0) = ? [pid 428] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=428, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 429 ./strace-static-x86_64: Process 429 attached [pid 429] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 429] setpgid(0, 0) = 0 [pid 429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 429] write(3, "1000", 4) = 4 [pid 429] close(3) = 0 [pid 429] memfd_create("syzkaller", 0) = 3 [pid 429] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 429] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 429] munmap(0x7f26a8533000, 131072) = 0 [pid 429] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 429] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 429] ioctl(4, LOOP_CLR_FD) = 0 [pid 429] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 429] close(4) = 0 [pid 429] close(3) = 0 [pid 429] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 429] open("./file0", O_RDONLY) = 3 [pid 429] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 429] unlink("./file0") = -1 EISDIR (Is a directory) [pid 429] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 429] exit_group(0) = ? [pid 429] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=429, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 430 ./strace-static-x86_64: Process 430 attached [pid 430] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 430] setpgid(0, 0) = 0 [pid 430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 430] write(3, "1000", 4) = 4 [pid 430] close(3) = 0 [pid 430] memfd_create("syzkaller", 0) = 3 [pid 430] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 430] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 430] munmap(0x7f26a8533000, 131072) = 0 [pid 430] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 430] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 430] ioctl(4, LOOP_CLR_FD) = 0 [pid 430] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 430] close(4) = 0 [pid 430] close(3) = 0 [pid 430] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 430] open("./file0", O_RDONLY) = 3 [pid 430] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 430] unlink("./file0") = -1 EISDIR (Is a directory) [pid 430] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 430] exit_group(0) = ? [pid 430] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=430, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 431 ./strace-static-x86_64: Process 431 attached [pid 431] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 431] setpgid(0, 0) = 0 [pid 431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 431] write(3, "1000", 4) = 4 [pid 431] close(3) = 0 [pid 431] memfd_create("syzkaller", 0) = 3 [pid 431] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 431] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 431] munmap(0x7f26a8533000, 131072) = 0 [pid 431] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 431] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 431] ioctl(4, LOOP_CLR_FD) = 0 [pid 431] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 431] close(4) = 0 [pid 431] close(3) = 0 [pid 431] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 431] open("./file0", O_RDONLY) = 3 [pid 431] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 431] unlink("./file0") = -1 EISDIR (Is a directory) [pid 431] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 431] exit_group(0) = ? [pid 431] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=431, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 432 ./strace-static-x86_64: Process 432 attached [pid 432] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 432] setpgid(0, 0) = 0 [pid 432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 432] write(3, "1000", 4) = 4 [pid 432] close(3) = 0 [pid 432] memfd_create("syzkaller", 0) = 3 [pid 432] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 432] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 432] munmap(0x7f26a8533000, 131072) = 0 [pid 432] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 432] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 432] ioctl(4, LOOP_CLR_FD) = 0 [pid 432] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 432] close(4) = 0 [pid 432] close(3) = 0 [pid 432] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 432] open("./file0", O_RDONLY) = 3 [pid 432] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 432] unlink("./file0") = -1 EISDIR (Is a directory) [pid 432] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 432] exit_group(0) = ? [pid 432] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=432, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 433 ./strace-static-x86_64: Process 433 attached [pid 433] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 433] setpgid(0, 0) = 0 [pid 433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 433] write(3, "1000", 4) = 4 [pid 433] close(3) = 0 [pid 433] memfd_create("syzkaller", 0) = 3 [pid 433] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 433] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 433] munmap(0x7f26a8533000, 131072) = 0 [pid 433] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 433] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 433] ioctl(4, LOOP_CLR_FD) = 0 [pid 433] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 433] close(4) = 0 [pid 433] close(3) = 0 [pid 433] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 433] open("./file0", O_RDONLY) = 3 [pid 433] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 433] unlink("./file0") = -1 EISDIR (Is a directory) [pid 433] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 433] exit_group(0) = ? [pid 433] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=433, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 434 ./strace-static-x86_64: Process 434 attached [pid 434] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 434] setpgid(0, 0) = 0 [pid 434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 434] write(3, "1000", 4) = 4 [pid 434] close(3) = 0 [pid 434] memfd_create("syzkaller", 0) = 3 [pid 434] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 434] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 434] munmap(0x7f26a8533000, 131072) = 0 [pid 434] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 434] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 434] ioctl(4, LOOP_CLR_FD) = 0 [pid 434] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 434] close(4) = 0 [pid 434] close(3) = 0 [pid 434] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 434] open("./file0", O_RDONLY) = 3 [pid 434] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 434] unlink("./file0") = -1 EISDIR (Is a directory) [pid 434] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 434] exit_group(0) = ? [pid 434] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=434, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 435 ./strace-static-x86_64: Process 435 attached [pid 435] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 435] setpgid(0, 0) = 0 [pid 435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 435] write(3, "1000", 4) = 4 [pid 435] close(3) = 0 [pid 435] memfd_create("syzkaller", 0) = 3 [pid 435] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 435] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 435] munmap(0x7f26a8533000, 131072) = 0 [pid 435] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 435] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 435] ioctl(4, LOOP_CLR_FD) = 0 [pid 435] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 435] close(4) = 0 [pid 435] close(3) = 0 [pid 435] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 435] open("./file0", O_RDONLY) = 3 [pid 435] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 435] unlink("./file0") = -1 EISDIR (Is a directory) [pid 435] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 435] exit_group(0) = ? [pid 435] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=435, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 436 ./strace-static-x86_64: Process 436 attached [pid 436] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 436] setpgid(0, 0) = 0 [pid 436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 436] write(3, "1000", 4) = 4 [pid 436] close(3) = 0 [pid 436] memfd_create("syzkaller", 0) = 3 [pid 436] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 436] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 436] munmap(0x7f26a8533000, 131072) = 0 [pid 436] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 436] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 436] ioctl(4, LOOP_CLR_FD) = 0 [pid 436] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 436] close(4) = 0 [pid 436] close(3) = 0 [pid 436] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 436] open("./file0", O_RDONLY) = 3 [pid 436] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 436] unlink("./file0") = -1 EISDIR (Is a directory) [pid 436] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 436] exit_group(0) = ? [pid 436] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=436, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 437 ./strace-static-x86_64: Process 437 attached [pid 437] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 437] setpgid(0, 0) = 0 [pid 437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 437] write(3, "1000", 4) = 4 [pid 437] close(3) = 0 [pid 437] memfd_create("syzkaller", 0) = 3 [pid 437] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 437] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 437] munmap(0x7f26a8533000, 131072) = 0 [pid 437] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 437] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 437] ioctl(4, LOOP_CLR_FD) = 0 [pid 437] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 437] close(4) = 0 [pid 437] close(3) = 0 [pid 437] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 437] open("./file0", O_RDONLY) = 3 [pid 437] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 437] unlink("./file0") = -1 EISDIR (Is a directory) [pid 437] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 437] exit_group(0) = ? [pid 437] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=437, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 438 ./strace-static-x86_64: Process 438 attached [pid 438] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 438] setpgid(0, 0) = 0 [pid 438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 438] write(3, "1000", 4) = 4 [pid 438] close(3) = 0 [pid 438] memfd_create("syzkaller", 0) = 3 [pid 438] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 438] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 438] munmap(0x7f26a8533000, 131072) = 0 [pid 438] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 438] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 438] ioctl(4, LOOP_CLR_FD) = 0 [pid 438] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 438] close(4) = 0 [pid 438] close(3) = 0 [pid 438] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 438] open("./file0", O_RDONLY) = 3 [pid 438] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 438] unlink("./file0") = -1 EISDIR (Is a directory) [pid 438] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 438] exit_group(0) = ? [pid 438] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=438, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 439 ./strace-static-x86_64: Process 439 attached [pid 439] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 439] setpgid(0, 0) = 0 [pid 439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 439] write(3, "1000", 4) = 4 [pid 439] close(3) = 0 [pid 439] memfd_create("syzkaller", 0) = 3 [pid 439] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 439] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 439] munmap(0x7f26a8533000, 131072) = 0 [pid 439] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 439] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 439] ioctl(4, LOOP_CLR_FD) = 0 [pid 439] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 439] close(4) = 0 [pid 439] close(3) = 0 [pid 439] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 439] open("./file0", O_RDONLY) = 3 [pid 439] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 439] unlink("./file0") = -1 EISDIR (Is a directory) [pid 439] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 439] exit_group(0) = ? [pid 439] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=439, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 440 ./strace-static-x86_64: Process 440 attached [pid 440] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 440] setpgid(0, 0) = 0 [pid 440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 440] write(3, "1000", 4) = 4 [pid 440] close(3) = 0 [pid 440] memfd_create("syzkaller", 0) = 3 [pid 440] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 440] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 440] munmap(0x7f26a8533000, 131072) = 0 [pid 440] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 440] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 440] ioctl(4, LOOP_CLR_FD) = 0 [pid 440] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 440] close(4) = 0 [pid 440] close(3) = 0 [pid 440] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 440] open("./file0", O_RDONLY) = 3 [pid 440] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 440] unlink("./file0") = -1 EISDIR (Is a directory) [pid 440] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 440] exit_group(0) = ? [pid 440] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=440, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 441 ./strace-static-x86_64: Process 441 attached [pid 441] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 441] setpgid(0, 0) = 0 [pid 441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 441] write(3, "1000", 4) = 4 [pid 441] close(3) = 0 [pid 441] memfd_create("syzkaller", 0) = 3 [pid 441] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 441] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 441] munmap(0x7f26a8533000, 131072) = 0 [pid 441] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 441] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 441] ioctl(4, LOOP_CLR_FD) = 0 [pid 441] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 441] close(4) = 0 [pid 441] close(3) = 0 [pid 441] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 441] open("./file0", O_RDONLY) = 3 [pid 441] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 441] unlink("./file0") = -1 EISDIR (Is a directory) [pid 441] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 441] exit_group(0) = ? [pid 441] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=441, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 442 ./strace-static-x86_64: Process 442 attached [pid 442] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 442] setpgid(0, 0) = 0 [pid 442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 442] write(3, "1000", 4) = 4 [pid 442] close(3) = 0 [pid 442] memfd_create("syzkaller", 0) = 3 [pid 442] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 442] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 442] munmap(0x7f26a8533000, 131072) = 0 [pid 442] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 442] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 442] ioctl(4, LOOP_CLR_FD) = 0 [pid 442] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 442] close(4) = 0 [pid 442] close(3) = 0 [pid 442] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 442] open("./file0", O_RDONLY) = 3 [pid 442] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 442] unlink("./file0") = -1 EISDIR (Is a directory) [pid 442] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 442] exit_group(0) = ? [pid 442] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=442, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 443 ./strace-static-x86_64: Process 443 attached [pid 443] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 443] setpgid(0, 0) = 0 [pid 443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 443] write(3, "1000", 4) = 4 [pid 443] close(3) = 0 [pid 443] memfd_create("syzkaller", 0) = 3 [pid 443] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 443] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 443] munmap(0x7f26a8533000, 131072) = 0 [pid 443] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 443] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 443] ioctl(4, LOOP_CLR_FD) = 0 [pid 443] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 443] close(4) = 0 [pid 443] close(3) = 0 [pid 443] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 443] open("./file0", O_RDONLY) = 3 [pid 443] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 443] unlink("./file0") = -1 EISDIR (Is a directory) [pid 443] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 443] exit_group(0) = ? [pid 443] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=443, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 444 ./strace-static-x86_64: Process 444 attached [pid 444] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 444] setpgid(0, 0) = 0 [pid 444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 444] write(3, "1000", 4) = 4 [pid 444] close(3) = 0 [pid 444] memfd_create("syzkaller", 0) = 3 [pid 444] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 444] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 444] munmap(0x7f26a8533000, 131072) = 0 [pid 444] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 444] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 444] ioctl(4, LOOP_CLR_FD) = 0 [pid 444] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 444] close(4) = 0 [pid 444] close(3) = 0 [pid 444] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 444] open("./file0", O_RDONLY) = 3 [pid 444] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 444] unlink("./file0") = -1 EISDIR (Is a directory) [pid 444] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 444] exit_group(0) = ? [pid 444] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=444, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 445 ./strace-static-x86_64: Process 445 attached [pid 445] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 445] setpgid(0, 0) = 0 [pid 445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 445] write(3, "1000", 4) = 4 [pid 445] close(3) = 0 [pid 445] memfd_create("syzkaller", 0) = 3 [pid 445] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 445] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 445] munmap(0x7f26a8533000, 131072) = 0 [pid 445] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 445] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 445] ioctl(4, LOOP_CLR_FD) = 0 [pid 445] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 445] close(4) = 0 [pid 445] close(3) = 0 [pid 445] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 445] open("./file0", O_RDONLY) = 3 [pid 445] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 445] unlink("./file0") = -1 EISDIR (Is a directory) [pid 445] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 445] exit_group(0) = ? [pid 445] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=445, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 446 ./strace-static-x86_64: Process 446 attached [pid 446] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 446] setpgid(0, 0) = 0 [pid 446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 446] write(3, "1000", 4) = 4 [pid 446] close(3) = 0 [pid 446] memfd_create("syzkaller", 0) = 3 [pid 446] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 446] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 446] munmap(0x7f26a8533000, 131072) = 0 [pid 446] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 446] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 446] ioctl(4, LOOP_CLR_FD) = 0 [pid 446] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 446] close(4) = 0 [pid 446] close(3) = 0 [pid 446] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 446] open("./file0", O_RDONLY) = 3 [pid 446] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 446] unlink("./file0") = -1 EISDIR (Is a directory) [pid 446] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 446] exit_group(0) = ? [pid 446] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=446, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 447 ./strace-static-x86_64: Process 447 attached [pid 447] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 447] setpgid(0, 0) = 0 [pid 447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 447] write(3, "1000", 4) = 4 [pid 447] close(3) = 0 [pid 447] memfd_create("syzkaller", 0) = 3 [pid 447] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 447] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 447] munmap(0x7f26a8533000, 131072) = 0 [pid 447] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 447] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 447] ioctl(4, LOOP_CLR_FD) = 0 [pid 447] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 447] close(4) = 0 [pid 447] close(3) = 0 [pid 447] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 447] open("./file0", O_RDONLY) = 3 [pid 447] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 447] unlink("./file0") = -1 EISDIR (Is a directory) [pid 447] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 447] exit_group(0) = ? [pid 447] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=447, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 448 ./strace-static-x86_64: Process 448 attached [pid 448] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 448] setpgid(0, 0) = 0 [pid 448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 448] write(3, "1000", 4) = 4 [pid 448] close(3) = 0 [pid 448] memfd_create("syzkaller", 0) = 3 [pid 448] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 448] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 448] munmap(0x7f26a8533000, 131072) = 0 [pid 448] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 448] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 448] ioctl(4, LOOP_CLR_FD) = 0 [pid 448] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 448] close(4) = 0 [pid 448] close(3) = 0 [pid 448] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 448] open("./file0", O_RDONLY) = 3 [pid 448] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 448] unlink("./file0") = -1 EISDIR (Is a directory) [pid 448] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 448] exit_group(0) = ? [pid 448] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=448, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 449 ./strace-static-x86_64: Process 449 attached [pid 449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 449] setpgid(0, 0) = 0 [pid 449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 449] write(3, "1000", 4) = 4 [pid 449] close(3) = 0 [pid 449] memfd_create("syzkaller", 0) = 3 [pid 449] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 449] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 449] munmap(0x7f26a8533000, 131072) = 0 [pid 449] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 449] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 449] ioctl(4, LOOP_CLR_FD) = 0 [pid 449] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 449] close(4) = 0 [pid 449] close(3) = 0 [pid 449] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 449] open("./file0", O_RDONLY) = 3 [pid 449] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 449] unlink("./file0") = -1 EISDIR (Is a directory) [pid 449] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 449] exit_group(0) = ? [pid 449] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=449, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 450 ./strace-static-x86_64: Process 450 attached [pid 450] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 450] setpgid(0, 0) = 0 [pid 450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 450] write(3, "1000", 4) = 4 [pid 450] close(3) = 0 [pid 450] memfd_create("syzkaller", 0) = 3 [pid 450] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 450] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 450] munmap(0x7f26a8533000, 131072) = 0 [pid 450] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 450] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 450] ioctl(4, LOOP_CLR_FD) = 0 [pid 450] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 450] close(4) = 0 [pid 450] close(3) = 0 [pid 450] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 450] open("./file0", O_RDONLY) = 3 [pid 450] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 450] unlink("./file0") = -1 EISDIR (Is a directory) [pid 450] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 450] exit_group(0) = ? [pid 450] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=450, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 451 ./strace-static-x86_64: Process 451 attached [pid 451] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 451] setpgid(0, 0) = 0 [pid 451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 451] write(3, "1000", 4) = 4 [pid 451] close(3) = 0 [pid 451] memfd_create("syzkaller", 0) = 3 [pid 451] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 451] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 451] munmap(0x7f26a8533000, 131072) = 0 [pid 451] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 451] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 451] ioctl(4, LOOP_CLR_FD) = 0 [pid 451] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 451] close(4) = 0 [pid 451] close(3) = 0 [pid 451] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 451] open("./file0", O_RDONLY) = 3 [pid 451] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 451] unlink("./file0") = -1 EISDIR (Is a directory) [pid 451] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 451] exit_group(0) = ? [pid 451] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=451, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 452 ./strace-static-x86_64: Process 452 attached [pid 452] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 452] setpgid(0, 0) = 0 [pid 452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 452] write(3, "1000", 4) = 4 [pid 452] close(3) = 0 [pid 452] memfd_create("syzkaller", 0) = 3 [pid 452] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 452] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 452] munmap(0x7f26a8533000, 131072) = 0 [pid 452] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 452] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 452] ioctl(4, LOOP_CLR_FD) = 0 [pid 452] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 452] close(4) = 0 [pid 452] close(3) = 0 [pid 452] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 452] open("./file0", O_RDONLY) = 3 [pid 452] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 452] unlink("./file0") = -1 EISDIR (Is a directory) [pid 452] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 452] exit_group(0) = ? [pid 452] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=452, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 453 ./strace-static-x86_64: Process 453 attached [pid 453] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 453] setpgid(0, 0) = 0 [pid 453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 453] write(3, "1000", 4) = 4 [pid 453] close(3) = 0 [pid 453] memfd_create("syzkaller", 0) = 3 [pid 453] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 453] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 453] munmap(0x7f26a8533000, 131072) = 0 [pid 453] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 453] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 453] ioctl(4, LOOP_CLR_FD) = 0 [pid 453] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 453] close(4) = 0 [pid 453] close(3) = 0 [pid 453] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 453] open("./file0", O_RDONLY) = 3 [pid 453] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 453] unlink("./file0") = -1 EISDIR (Is a directory) [pid 453] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 453] exit_group(0) = ? [pid 453] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=453, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 454 ./strace-static-x86_64: Process 454 attached [pid 454] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 454] setpgid(0, 0) = 0 [pid 454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 454] write(3, "1000", 4) = 4 [pid 454] close(3) = 0 [pid 454] memfd_create("syzkaller", 0) = 3 [pid 454] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 454] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 454] munmap(0x7f26a8533000, 131072) = 0 [pid 454] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 454] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 454] ioctl(4, LOOP_CLR_FD) = 0 [pid 454] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 454] close(4) = 0 [pid 454] close(3) = 0 [pid 454] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 454] open("./file0", O_RDONLY) = 3 [pid 454] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 454] unlink("./file0") = -1 EISDIR (Is a directory) [pid 454] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 454] exit_group(0) = ? [pid 454] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=454, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 455 ./strace-static-x86_64: Process 455 attached [pid 455] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 455] setpgid(0, 0) = 0 [pid 455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 455] write(3, "1000", 4) = 4 [pid 455] close(3) = 0 [pid 455] memfd_create("syzkaller", 0) = 3 [pid 455] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 455] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 455] munmap(0x7f26a8533000, 131072) = 0 [pid 455] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 455] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 455] ioctl(4, LOOP_CLR_FD) = 0 [pid 455] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 455] close(4) = 0 [pid 455] close(3) = 0 [pid 455] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 455] open("./file0", O_RDONLY) = 3 [pid 455] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 455] unlink("./file0") = -1 EISDIR (Is a directory) [pid 455] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 455] exit_group(0) = ? [pid 455] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=455, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 456 ./strace-static-x86_64: Process 456 attached [pid 456] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 456] setpgid(0, 0) = 0 [pid 456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 456] write(3, "1000", 4) = 4 [pid 456] close(3) = 0 [pid 456] memfd_create("syzkaller", 0) = 3 [pid 456] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 456] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 456] munmap(0x7f26a8533000, 131072) = 0 [pid 456] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 456] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 456] ioctl(4, LOOP_CLR_FD) = 0 [pid 456] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 456] close(4) = 0 [pid 456] close(3) = 0 [pid 456] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 456] open("./file0", O_RDONLY) = 3 [pid 456] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 456] unlink("./file0") = -1 EISDIR (Is a directory) [pid 456] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 456] exit_group(0) = ? [pid 456] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=456, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 457 ./strace-static-x86_64: Process 457 attached [pid 457] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 457] setpgid(0, 0) = 0 [pid 457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 457] write(3, "1000", 4) = 4 [pid 457] close(3) = 0 [pid 457] memfd_create("syzkaller", 0) = 3 [pid 457] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 457] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 457] munmap(0x7f26a8533000, 131072) = 0 [pid 457] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 457] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 457] ioctl(4, LOOP_CLR_FD) = 0 [pid 457] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 457] close(4) = 0 [pid 457] close(3) = 0 [pid 457] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 457] open("./file0", O_RDONLY) = 3 [pid 457] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 457] unlink("./file0") = -1 EISDIR (Is a directory) [pid 457] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 457] exit_group(0) = ? [pid 457] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=457, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 458 ./strace-static-x86_64: Process 458 attached [pid 458] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 458] setpgid(0, 0) = 0 [pid 458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 458] write(3, "1000", 4) = 4 [pid 458] close(3) = 0 [pid 458] memfd_create("syzkaller", 0) = 3 [pid 458] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 458] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 458] munmap(0x7f26a8533000, 131072) = 0 [pid 458] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 458] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 458] ioctl(4, LOOP_CLR_FD) = 0 [pid 458] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 458] close(4) = 0 [pid 458] close(3) = 0 [pid 458] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 458] open("./file0", O_RDONLY) = 3 [pid 458] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 458] unlink("./file0") = -1 EISDIR (Is a directory) [pid 458] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 458] exit_group(0) = ? [pid 458] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=458, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 459 ./strace-static-x86_64: Process 459 attached [pid 459] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 459] setpgid(0, 0) = 0 [pid 459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 459] write(3, "1000", 4) = 4 [pid 459] close(3) = 0 [pid 459] memfd_create("syzkaller", 0) = 3 [pid 459] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 459] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 459] munmap(0x7f26a8533000, 131072) = 0 [pid 459] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 459] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 459] ioctl(4, LOOP_CLR_FD) = 0 [pid 459] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 459] close(4) = 0 [pid 459] close(3) = 0 [pid 459] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 459] open("./file0", O_RDONLY) = 3 [pid 459] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 459] unlink("./file0") = -1 EISDIR (Is a directory) [pid 459] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 459] exit_group(0) = ? [pid 459] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=459, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 460 ./strace-static-x86_64: Process 460 attached [pid 460] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 460] setpgid(0, 0) = 0 [pid 460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 460] write(3, "1000", 4) = 4 [pid 460] close(3) = 0 [pid 460] memfd_create("syzkaller", 0) = 3 [pid 460] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 460] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 460] munmap(0x7f26a8533000, 131072) = 0 [pid 460] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 460] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 460] ioctl(4, LOOP_CLR_FD) = 0 [pid 460] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 460] close(4) = 0 [pid 460] close(3) = 0 [pid 460] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 460] open("./file0", O_RDONLY) = 3 [pid 460] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 460] unlink("./file0") = -1 EISDIR (Is a directory) [pid 460] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 460] exit_group(0) = ? [pid 460] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=460, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 461 ./strace-static-x86_64: Process 461 attached [pid 461] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 461] setpgid(0, 0) = 0 [pid 461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 461] write(3, "1000", 4) = 4 [pid 461] close(3) = 0 [pid 461] memfd_create("syzkaller", 0) = 3 [pid 461] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 461] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 461] munmap(0x7f26a8533000, 131072) = 0 [pid 461] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 461] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 461] ioctl(4, LOOP_CLR_FD) = 0 [pid 461] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 461] close(4) = 0 [pid 461] close(3) = 0 [pid 461] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 461] open("./file0", O_RDONLY) = 3 [pid 461] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 461] unlink("./file0") = -1 EISDIR (Is a directory) [pid 461] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 461] exit_group(0) = ? [pid 461] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=461, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 463 ./strace-static-x86_64: Process 463 attached [pid 463] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 463] setpgid(0, 0) = 0 [pid 463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 463] write(3, "1000", 4) = 4 [pid 463] close(3) = 0 [pid 463] memfd_create("syzkaller", 0) = 3 [pid 463] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 463] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 463] munmap(0x7f26a8533000, 131072) = 0 [pid 463] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 463] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 463] ioctl(4, LOOP_CLR_FD) = 0 [pid 463] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 463] close(4) = 0 [pid 463] close(3) = 0 [pid 463] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 463] open("./file0", O_RDONLY) = 3 [pid 463] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 463] unlink("./file0") = -1 EISDIR (Is a directory) [pid 463] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 463] exit_group(0) = ? [pid 463] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=463, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 464 ./strace-static-x86_64: Process 464 attached [pid 464] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 464] setpgid(0, 0) = 0 [pid 464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 464] write(3, "1000", 4) = 4 [pid 464] close(3) = 0 [pid 464] memfd_create("syzkaller", 0) = 3 [pid 464] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 464] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 464] munmap(0x7f26a8533000, 131072) = 0 [pid 464] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 464] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 464] ioctl(4, LOOP_CLR_FD) = 0 [pid 464] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 464] close(4) = 0 [pid 464] close(3) = 0 [pid 464] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 464] open("./file0", O_RDONLY) = 3 [pid 464] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 464] unlink("./file0") = -1 EISDIR (Is a directory) [pid 464] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 464] exit_group(0) = ? [pid 464] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=464, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 465 ./strace-static-x86_64: Process 465 attached [pid 465] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 465] setpgid(0, 0) = 0 [pid 465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 465] write(3, "1000", 4) = 4 [pid 465] close(3) = 0 [pid 465] memfd_create("syzkaller", 0) = 3 [pid 465] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 465] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 465] munmap(0x7f26a8533000, 131072) = 0 [pid 465] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 465] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 465] ioctl(4, LOOP_CLR_FD) = 0 [pid 465] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 465] close(4) = 0 [pid 465] close(3) = 0 [pid 465] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 465] open("./file0", O_RDONLY) = 3 [pid 465] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 465] unlink("./file0") = -1 EISDIR (Is a directory) [pid 465] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 465] exit_group(0) = ? [pid 465] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=465, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 466 ./strace-static-x86_64: Process 466 attached [pid 466] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 466] setpgid(0, 0) = 0 [pid 466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 466] write(3, "1000", 4) = 4 [pid 466] close(3) = 0 [pid 466] memfd_create("syzkaller", 0) = 3 [pid 466] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 466] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 466] munmap(0x7f26a8533000, 131072) = 0 [pid 466] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 466] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 466] ioctl(4, LOOP_CLR_FD) = 0 [pid 466] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 466] close(4) = 0 [pid 466] close(3) = 0 [pid 466] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 466] open("./file0", O_RDONLY) = 3 [pid 466] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 466] unlink("./file0") = -1 EISDIR (Is a directory) [pid 466] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 466] exit_group(0) = ? [pid 466] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=466, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 467 ./strace-static-x86_64: Process 467 attached [pid 467] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 467] setpgid(0, 0) = 0 [pid 467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 467] write(3, "1000", 4) = 4 [pid 467] close(3) = 0 [pid 467] memfd_create("syzkaller", 0) = 3 [pid 467] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 467] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 467] munmap(0x7f26a8533000, 131072) = 0 [pid 467] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 467] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 467] ioctl(4, LOOP_CLR_FD) = 0 [pid 467] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 467] close(4) = 0 [pid 467] close(3) = 0 [pid 467] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 467] open("./file0", O_RDONLY) = 3 [pid 467] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 467] unlink("./file0") = -1 EISDIR (Is a directory) [pid 467] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 467] exit_group(0) = ? [pid 467] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=467, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 468 ./strace-static-x86_64: Process 468 attached [pid 468] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 468] setpgid(0, 0) = 0 [pid 468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 468] write(3, "1000", 4) = 4 [pid 468] close(3) = 0 [pid 468] memfd_create("syzkaller", 0) = 3 [pid 468] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 468] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 468] munmap(0x7f26a8533000, 131072) = 0 [pid 468] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 468] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 468] ioctl(4, LOOP_CLR_FD) = 0 [pid 468] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 468] close(4) = 0 [pid 468] close(3) = 0 [pid 468] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 468] open("./file0", O_RDONLY) = 3 [pid 468] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 468] unlink("./file0") = -1 EISDIR (Is a directory) [pid 468] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 468] exit_group(0) = ? [pid 468] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=468, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 469 ./strace-static-x86_64: Process 469 attached [pid 469] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 469] setpgid(0, 0) = 0 [pid 469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 469] write(3, "1000", 4) = 4 [pid 469] close(3) = 0 [pid 469] memfd_create("syzkaller", 0) = 3 [pid 469] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 469] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 469] munmap(0x7f26a8533000, 131072) = 0 [pid 469] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 469] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 469] ioctl(4, LOOP_CLR_FD) = 0 [pid 469] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 469] close(4) = 0 [pid 469] close(3) = 0 [pid 469] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 469] open("./file0", O_RDONLY) = 3 [pid 469] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 469] unlink("./file0") = -1 EISDIR (Is a directory) [pid 469] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 469] exit_group(0) = ? [pid 469] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=469, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 470 ./strace-static-x86_64: Process 470 attached [pid 470] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 470] setpgid(0, 0) = 0 [pid 470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 470] write(3, "1000", 4) = 4 [pid 470] close(3) = 0 [pid 470] memfd_create("syzkaller", 0) = 3 [pid 470] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 470] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 470] munmap(0x7f26a8533000, 131072) = 0 [pid 470] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 470] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 470] ioctl(4, LOOP_CLR_FD) = 0 [pid 470] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 470] close(4) = 0 [pid 470] close(3) = 0 [pid 470] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 470] open("./file0", O_RDONLY) = 3 [pid 470] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 470] unlink("./file0") = -1 EISDIR (Is a directory) [pid 470] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 470] exit_group(0) = ? [pid 470] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=470, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 471 ./strace-static-x86_64: Process 471 attached [pid 471] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 471] setpgid(0, 0) = 0 [pid 471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 471] write(3, "1000", 4) = 4 [pid 471] close(3) = 0 [pid 471] memfd_create("syzkaller", 0) = 3 [pid 471] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 471] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 471] munmap(0x7f26a8533000, 131072) = 0 [pid 471] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 471] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 471] ioctl(4, LOOP_CLR_FD) = 0 [pid 471] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 471] close(4) = 0 [pid 471] close(3) = 0 [pid 471] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 471] open("./file0", O_RDONLY) = 3 [pid 471] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 471] unlink("./file0") = -1 EISDIR (Is a directory) [pid 471] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 471] exit_group(0) = ? [pid 471] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=471, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 472 ./strace-static-x86_64: Process 472 attached [pid 472] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 472] setpgid(0, 0) = 0 [pid 472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 472] write(3, "1000", 4) = 4 [pid 472] close(3) = 0 [pid 472] memfd_create("syzkaller", 0) = 3 [pid 472] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 472] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 472] munmap(0x7f26a8533000, 131072) = 0 [pid 472] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 472] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 472] ioctl(4, LOOP_CLR_FD) = 0 [pid 472] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 472] close(4) = 0 [pid 472] close(3) = 0 [pid 472] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 472] open("./file0", O_RDONLY) = 3 [pid 472] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 472] unlink("./file0") = -1 EISDIR (Is a directory) [pid 472] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 472] exit_group(0) = ? [pid 472] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=472, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 473 ./strace-static-x86_64: Process 473 attached [pid 473] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 473] setpgid(0, 0) = 0 [pid 473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 473] write(3, "1000", 4) = 4 [pid 473] close(3) = 0 [pid 473] memfd_create("syzkaller", 0) = 3 [pid 473] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 473] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 473] munmap(0x7f26a8533000, 131072) = 0 [pid 473] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 473] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 473] ioctl(4, LOOP_CLR_FD) = 0 [pid 473] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 473] close(4) = 0 [pid 473] close(3) = 0 [pid 473] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 473] open("./file0", O_RDONLY) = 3 [pid 473] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 473] unlink("./file0") = -1 EISDIR (Is a directory) [pid 473] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 473] exit_group(0) = ? [pid 473] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=473, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 474 ./strace-static-x86_64: Process 474 attached [pid 474] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 474] setpgid(0, 0) = 0 [pid 474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 474] write(3, "1000", 4) = 4 [pid 474] close(3) = 0 [pid 474] memfd_create("syzkaller", 0) = 3 [pid 474] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 474] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 474] munmap(0x7f26a8533000, 131072) = 0 [pid 474] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 474] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 474] ioctl(4, LOOP_CLR_FD) = 0 [pid 474] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 474] close(4) = 0 [pid 474] close(3) = 0 [pid 474] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 474] open("./file0", O_RDONLY) = 3 [pid 474] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 474] unlink("./file0") = -1 EISDIR (Is a directory) [pid 474] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 474] exit_group(0) = ? [pid 474] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=474, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 475 ./strace-static-x86_64: Process 475 attached [pid 475] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 475] setpgid(0, 0) = 0 [pid 475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 475] write(3, "1000", 4) = 4 [pid 475] close(3) = 0 [pid 475] memfd_create("syzkaller", 0) = 3 [pid 475] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 475] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 475] munmap(0x7f26a8533000, 131072) = 0 [pid 475] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 475] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 475] ioctl(4, LOOP_CLR_FD) = 0 [pid 475] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 475] close(4) = 0 [pid 475] close(3) = 0 [pid 475] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 475] open("./file0", O_RDONLY) = 3 [pid 475] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 475] unlink("./file0") = -1 EISDIR (Is a directory) [pid 475] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 475] exit_group(0) = ? [pid 475] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=475, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 476 attached , child_tidptr=0x555556e0f5d0) = 476 [pid 476] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 476] setpgid(0, 0) = 0 [pid 476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 476] write(3, "1000", 4) = 4 [pid 476] close(3) = 0 [pid 476] memfd_create("syzkaller", 0) = 3 [pid 476] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 476] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 476] munmap(0x7f26a8533000, 131072) = 0 [pid 476] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 476] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 476] ioctl(4, LOOP_CLR_FD) = 0 [pid 476] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 476] close(4) = 0 [pid 476] close(3) = 0 [pid 476] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 476] open("./file0", O_RDONLY) = 3 [pid 476] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 476] unlink("./file0") = -1 EISDIR (Is a directory) [pid 476] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 476] exit_group(0) = ? [pid 476] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=476, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 477 attached , child_tidptr=0x555556e0f5d0) = 477 [pid 477] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 477] setpgid(0, 0) = 0 [pid 477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 477] write(3, "1000", 4) = 4 [pid 477] close(3) = 0 [pid 477] memfd_create("syzkaller", 0) = 3 [pid 477] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 477] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 477] munmap(0x7f26a8533000, 131072) = 0 [pid 477] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 477] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 477] ioctl(4, LOOP_CLR_FD) = 0 [pid 477] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 477] close(4) = 0 [pid 477] close(3) = 0 [pid 477] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 477] open("./file0", O_RDONLY) = 3 [pid 477] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 477] unlink("./file0") = -1 EISDIR (Is a directory) [pid 477] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 477] exit_group(0) = ? [pid 477] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=477, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 478 attached , child_tidptr=0x555556e0f5d0) = 478 [pid 478] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 478] setpgid(0, 0) = 0 [pid 478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 478] write(3, "1000", 4) = 4 [pid 478] close(3) = 0 [pid 478] memfd_create("syzkaller", 0) = 3 [pid 478] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 478] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 478] munmap(0x7f26a8533000, 131072) = 0 [pid 478] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 478] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 478] ioctl(4, LOOP_CLR_FD) = 0 [pid 478] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 478] close(4) = 0 [pid 478] close(3) = 0 [pid 478] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 478] open("./file0", O_RDONLY) = 3 [pid 478] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 478] unlink("./file0") = -1 EISDIR (Is a directory) [pid 478] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 478] exit_group(0) = ? [pid 478] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=478, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 479 attached , child_tidptr=0x555556e0f5d0) = 479 [pid 479] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 479] setpgid(0, 0) = 0 [pid 479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 479] write(3, "1000", 4) = 4 [pid 479] close(3) = 0 [pid 479] memfd_create("syzkaller", 0) = 3 [pid 479] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 479] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 479] munmap(0x7f26a8533000, 131072) = 0 [pid 479] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 479] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 479] ioctl(4, LOOP_CLR_FD) = 0 [pid 479] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 479] close(4) = 0 [pid 479] close(3) = 0 [pid 479] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 479] open("./file0", O_RDONLY) = 3 [pid 479] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 479] unlink("./file0") = -1 EISDIR (Is a directory) [pid 479] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 479] exit_group(0) = ? [pid 479] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=479, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 480 ./strace-static-x86_64: Process 480 attached [pid 480] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 480] setpgid(0, 0) = 0 [pid 480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 480] write(3, "1000", 4) = 4 [pid 480] close(3) = 0 [pid 480] memfd_create("syzkaller", 0) = 3 [pid 480] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 480] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 480] munmap(0x7f26a8533000, 131072) = 0 [pid 480] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 480] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 480] ioctl(4, LOOP_CLR_FD) = 0 [pid 480] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 480] close(4) = 0 [pid 480] close(3) = 0 [pid 480] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 480] open("./file0", O_RDONLY) = 3 [pid 480] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 480] unlink("./file0") = -1 EISDIR (Is a directory) [pid 480] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 480] exit_group(0) = ? [pid 480] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=480, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 481 ./strace-static-x86_64: Process 481 attached [pid 481] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 481] setpgid(0, 0) = 0 [pid 481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 481] write(3, "1000", 4) = 4 [pid 481] close(3) = 0 [pid 481] memfd_create("syzkaller", 0) = 3 [pid 481] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 481] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 481] munmap(0x7f26a8533000, 131072) = 0 [pid 481] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 481] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 481] ioctl(4, LOOP_CLR_FD) = 0 [pid 481] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 481] close(4) = 0 [pid 481] close(3) = 0 [pid 481] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 481] open("./file0", O_RDONLY) = 3 [pid 481] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 481] unlink("./file0") = -1 EISDIR (Is a directory) [pid 481] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 481] exit_group(0) = ? [pid 481] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=481, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 482 ./strace-static-x86_64: Process 482 attached [pid 482] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 482] setpgid(0, 0) = 0 [pid 482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 482] write(3, "1000", 4) = 4 [pid 482] close(3) = 0 [pid 482] memfd_create("syzkaller", 0) = 3 [pid 482] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 482] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 482] munmap(0x7f26a8533000, 131072) = 0 [pid 482] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 482] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 482] ioctl(4, LOOP_CLR_FD) = 0 [pid 482] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 482] close(4) = 0 [pid 482] close(3) = 0 [pid 482] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 482] open("./file0", O_RDONLY) = 3 [pid 482] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 482] unlink("./file0") = -1 EISDIR (Is a directory) [pid 482] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 482] exit_group(0) = ? [pid 482] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=482, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 483 ./strace-static-x86_64: Process 483 attached [pid 483] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 483] setpgid(0, 0) = 0 [pid 483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 483] write(3, "1000", 4) = 4 [pid 483] close(3) = 0 [pid 483] memfd_create("syzkaller", 0) = 3 [pid 483] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 483] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 483] munmap(0x7f26a8533000, 131072) = 0 [pid 483] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 483] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 483] ioctl(4, LOOP_CLR_FD) = 0 [pid 483] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 483] close(4) = 0 [pid 483] close(3) = 0 [pid 483] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 483] open("./file0", O_RDONLY) = 3 [pid 483] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 483] unlink("./file0") = -1 EISDIR (Is a directory) [pid 483] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 483] exit_group(0) = ? [pid 483] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=483, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 484 ./strace-static-x86_64: Process 484 attached [pid 484] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 484] setpgid(0, 0) = 0 [pid 484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 484] write(3, "1000", 4) = 4 [pid 484] close(3) = 0 [pid 484] memfd_create("syzkaller", 0) = 3 [pid 484] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 484] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 484] munmap(0x7f26a8533000, 131072) = 0 [pid 484] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 484] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 484] ioctl(4, LOOP_CLR_FD) = 0 [pid 484] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 484] close(4) = 0 [pid 484] close(3) = 0 [pid 484] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 484] open("./file0", O_RDONLY) = 3 [pid 484] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 484] unlink("./file0") = -1 EISDIR (Is a directory) [pid 484] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 484] exit_group(0) = ? [pid 484] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=484, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 485 ./strace-static-x86_64: Process 485 attached [pid 485] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 485] setpgid(0, 0) = 0 [pid 485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 485] write(3, "1000", 4) = 4 [pid 485] close(3) = 0 [pid 485] memfd_create("syzkaller", 0) = 3 [pid 485] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 485] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 485] munmap(0x7f26a8533000, 131072) = 0 [pid 485] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 485] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 485] ioctl(4, LOOP_CLR_FD) = 0 [pid 485] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 485] close(4) = 0 [pid 485] close(3) = 0 [pid 485] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 485] open("./file0", O_RDONLY) = 3 [pid 485] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 485] unlink("./file0") = -1 EISDIR (Is a directory) [pid 485] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 485] exit_group(0) = ? [pid 485] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=485, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 486 ./strace-static-x86_64: Process 486 attached [pid 486] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 486] setpgid(0, 0) = 0 [pid 486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 486] write(3, "1000", 4) = 4 [pid 486] close(3) = 0 [pid 486] memfd_create("syzkaller", 0) = 3 [pid 486] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 486] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 486] munmap(0x7f26a8533000, 131072) = 0 [pid 486] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 486] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 486] ioctl(4, LOOP_CLR_FD) = 0 [pid 486] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 486] close(4) = 0 [pid 486] close(3) = 0 [pid 486] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 486] open("./file0", O_RDONLY) = 3 [pid 486] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 486] unlink("./file0") = -1 EISDIR (Is a directory) [pid 486] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 486] exit_group(0) = ? [pid 486] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=486, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 487 attached , child_tidptr=0x555556e0f5d0) = 487 [pid 487] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 487] setpgid(0, 0) = 0 [pid 487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 487] write(3, "1000", 4) = 4 [pid 487] close(3) = 0 [pid 487] memfd_create("syzkaller", 0) = 3 [pid 487] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 487] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 487] munmap(0x7f26a8533000, 131072) = 0 [pid 487] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 487] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 487] ioctl(4, LOOP_CLR_FD) = 0 [pid 487] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 487] close(4) = 0 [pid 487] close(3) = 0 [pid 487] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 487] open("./file0", O_RDONLY) = 3 [pid 487] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 487] unlink("./file0") = -1 EISDIR (Is a directory) [pid 487] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 487] exit_group(0) = ? [pid 487] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=487, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 488 attached , child_tidptr=0x555556e0f5d0) = 488 [pid 488] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 488] setpgid(0, 0) = 0 [pid 488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 488] write(3, "1000", 4) = 4 [pid 488] close(3) = 0 [pid 488] memfd_create("syzkaller", 0) = 3 [pid 488] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 488] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 488] munmap(0x7f26a8533000, 131072) = 0 [pid 488] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 488] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 488] ioctl(4, LOOP_CLR_FD) = 0 [pid 488] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 488] close(4) = 0 [pid 488] close(3) = 0 [pid 488] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 488] open("./file0", O_RDONLY) = 3 [pid 488] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 488] unlink("./file0") = -1 EISDIR (Is a directory) [pid 488] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 488] exit_group(0) = ? [pid 488] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=488, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 489 ./strace-static-x86_64: Process 489 attached [pid 489] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 489] setpgid(0, 0) = 0 [pid 489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 489] write(3, "1000", 4) = 4 [pid 489] close(3) = 0 [pid 489] memfd_create("syzkaller", 0) = 3 [pid 489] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 489] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 489] munmap(0x7f26a8533000, 131072) = 0 [pid 489] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 489] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 489] ioctl(4, LOOP_CLR_FD) = 0 [pid 489] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 489] close(4) = 0 [pid 489] close(3) = 0 [pid 489] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 489] open("./file0", O_RDONLY) = 3 [pid 489] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 489] unlink("./file0") = -1 EISDIR (Is a directory) [pid 489] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 489] exit_group(0) = ? [pid 489] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=489, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 490 attached , child_tidptr=0x555556e0f5d0) = 490 [pid 490] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 490] setpgid(0, 0) = 0 [pid 490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 490] write(3, "1000", 4) = 4 [pid 490] close(3) = 0 [pid 490] memfd_create("syzkaller", 0) = 3 [pid 490] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 490] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 490] munmap(0x7f26a8533000, 131072) = 0 [pid 490] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 490] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 490] ioctl(4, LOOP_CLR_FD) = 0 [pid 490] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 490] close(4) = 0 [pid 490] close(3) = 0 [pid 490] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 490] open("./file0", O_RDONLY) = 3 [pid 490] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 490] unlink("./file0") = -1 EISDIR (Is a directory) [pid 490] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 490] exit_group(0) = ? [pid 490] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=490, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 491 ./strace-static-x86_64: Process 491 attached [pid 491] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 491] setpgid(0, 0) = 0 [pid 491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 491] write(3, "1000", 4) = 4 [pid 491] close(3) = 0 [pid 491] memfd_create("syzkaller", 0) = 3 [pid 491] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 491] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 491] munmap(0x7f26a8533000, 131072) = 0 [pid 491] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 491] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 491] ioctl(4, LOOP_CLR_FD) = 0 [pid 491] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 491] close(4) = 0 [pid 491] close(3) = 0 [pid 491] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 491] open("./file0", O_RDONLY) = 3 [pid 491] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 491] unlink("./file0") = -1 EISDIR (Is a directory) [pid 491] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 491] exit_group(0) = ? [pid 491] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=491, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 492 attached , child_tidptr=0x555556e0f5d0) = 492 [pid 492] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 492] setpgid(0, 0) = 0 [pid 492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 492] write(3, "1000", 4) = 4 [pid 492] close(3) = 0 [pid 492] memfd_create("syzkaller", 0) = 3 [pid 492] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 492] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 492] munmap(0x7f26a8533000, 131072) = 0 [pid 492] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 492] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 492] ioctl(4, LOOP_CLR_FD) = 0 [pid 492] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 492] close(4) = 0 [pid 492] close(3) = 0 [pid 492] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 492] open("./file0", O_RDONLY) = 3 [pid 492] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 492] unlink("./file0") = -1 EISDIR (Is a directory) [pid 492] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 492] exit_group(0) = ? [pid 492] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=492, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 493 ./strace-static-x86_64: Process 493 attached [pid 493] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 493] setpgid(0, 0) = 0 [pid 493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 493] write(3, "1000", 4) = 4 [pid 493] close(3) = 0 [pid 493] memfd_create("syzkaller", 0) = 3 [pid 493] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 493] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 493] munmap(0x7f26a8533000, 131072) = 0 [pid 493] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 493] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 493] ioctl(4, LOOP_CLR_FD) = 0 [pid 493] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 493] close(4) = 0 [pid 493] close(3) = 0 [pid 493] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 493] open("./file0", O_RDONLY) = 3 [pid 493] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 493] unlink("./file0") = -1 EISDIR (Is a directory) [pid 493] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 493] exit_group(0) = ? [pid 493] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=493, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 494 ./strace-static-x86_64: Process 494 attached [pid 494] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 494] setpgid(0, 0) = 0 [pid 494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 494] write(3, "1000", 4) = 4 [pid 494] close(3) = 0 [pid 494] memfd_create("syzkaller", 0) = 3 [pid 494] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 494] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 494] munmap(0x7f26a8533000, 131072) = 0 [pid 494] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 494] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 494] ioctl(4, LOOP_CLR_FD) = 0 [pid 494] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 494] close(4) = 0 [pid 494] close(3) = 0 [pid 494] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 494] open("./file0", O_RDONLY) = 3 [pid 494] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 494] unlink("./file0") = -1 EISDIR (Is a directory) [pid 494] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 494] exit_group(0) = ? [pid 494] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=494, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 495 ./strace-static-x86_64: Process 495 attached [pid 495] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 495] setpgid(0, 0) = 0 [pid 495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 495] write(3, "1000", 4) = 4 [pid 495] close(3) = 0 [pid 495] memfd_create("syzkaller", 0) = 3 [pid 495] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 495] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 495] munmap(0x7f26a8533000, 131072) = 0 [pid 495] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 495] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 495] ioctl(4, LOOP_CLR_FD) = 0 [pid 495] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 495] close(4) = 0 [pid 495] close(3) = 0 [pid 495] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 495] open("./file0", O_RDONLY) = 3 [pid 495] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 495] unlink("./file0") = -1 EISDIR (Is a directory) [pid 495] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 495] exit_group(0) = ? [pid 495] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=495, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 496 ./strace-static-x86_64: Process 496 attached [pid 496] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 496] setpgid(0, 0) = 0 [pid 496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 496] write(3, "1000", 4) = 4 [pid 496] close(3) = 0 [pid 496] memfd_create("syzkaller", 0) = 3 [pid 496] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 496] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 496] munmap(0x7f26a8533000, 131072) = 0 [pid 496] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 496] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 496] ioctl(4, LOOP_CLR_FD) = 0 [pid 496] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 496] close(4) = 0 [pid 496] close(3) = 0 [pid 496] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 496] open("./file0", O_RDONLY) = 3 [pid 496] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 496] unlink("./file0") = -1 EISDIR (Is a directory) [pid 496] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 496] exit_group(0) = ? [pid 496] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=496, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 497 ./strace-static-x86_64: Process 497 attached [pid 497] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 497] setpgid(0, 0) = 0 [pid 497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 497] write(3, "1000", 4) = 4 [pid 497] close(3) = 0 [pid 497] memfd_create("syzkaller", 0) = 3 [pid 497] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 497] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 497] munmap(0x7f26a8533000, 131072) = 0 [pid 497] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 497] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 497] ioctl(4, LOOP_CLR_FD) = 0 [pid 497] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 497] close(4) = 0 [pid 497] close(3) = 0 [pid 497] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 497] open("./file0", O_RDONLY) = 3 [pid 497] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 497] unlink("./file0") = -1 EISDIR (Is a directory) [pid 497] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 497] exit_group(0) = ? [pid 497] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=497, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 498 ./strace-static-x86_64: Process 498 attached [pid 498] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 498] setpgid(0, 0) = 0 [pid 498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 498] write(3, "1000", 4) = 4 [pid 498] close(3) = 0 [pid 498] memfd_create("syzkaller", 0) = 3 [pid 498] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 498] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 498] munmap(0x7f26a8533000, 131072) = 0 [pid 498] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 498] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 498] ioctl(4, LOOP_CLR_FD) = 0 [pid 498] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 498] close(4) = 0 [pid 498] close(3) = 0 [pid 498] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 498] open("./file0", O_RDONLY) = 3 [pid 498] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 498] unlink("./file0") = -1 EISDIR (Is a directory) [pid 498] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 498] exit_group(0) = ? [pid 498] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=498, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 499 ./strace-static-x86_64: Process 499 attached [pid 499] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 499] setpgid(0, 0) = 0 [pid 499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 499] write(3, "1000", 4) = 4 [pid 499] close(3) = 0 [pid 499] memfd_create("syzkaller", 0) = 3 [pid 499] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 499] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 499] munmap(0x7f26a8533000, 131072) = 0 [pid 499] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 499] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 499] ioctl(4, LOOP_CLR_FD) = 0 [pid 499] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 499] close(4) = 0 [pid 499] close(3) = 0 [pid 499] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 499] open("./file0", O_RDONLY) = 3 [pid 499] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 499] unlink("./file0") = -1 EISDIR (Is a directory) [pid 499] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 499] exit_group(0) = ? [pid 499] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=499, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 500 attached , child_tidptr=0x555556e0f5d0) = 500 [pid 500] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 500] setpgid(0, 0) = 0 [pid 500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 500] write(3, "1000", 4) = 4 [pid 500] close(3) = 0 [pid 500] memfd_create("syzkaller", 0) = 3 [pid 500] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 500] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 500] munmap(0x7f26a8533000, 131072) = 0 [pid 500] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 500] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 500] ioctl(4, LOOP_CLR_FD) = 0 [pid 500] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 500] close(4) = 0 [pid 500] close(3) = 0 [pid 500] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 500] open("./file0", O_RDONLY) = 3 [pid 500] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 500] unlink("./file0") = -1 EISDIR (Is a directory) [pid 500] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 500] exit_group(0) = ? [pid 500] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=500, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 501 ./strace-static-x86_64: Process 501 attached [pid 501] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 501] setpgid(0, 0) = 0 [pid 501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 501] write(3, "1000", 4) = 4 [pid 501] close(3) = 0 [pid 501] memfd_create("syzkaller", 0) = 3 [pid 501] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 501] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 501] munmap(0x7f26a8533000, 131072) = 0 [pid 501] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 501] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 501] ioctl(4, LOOP_CLR_FD) = 0 [pid 501] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 501] close(4) = 0 [pid 501] close(3) = 0 [pid 501] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 501] open("./file0", O_RDONLY) = 3 [pid 501] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 501] unlink("./file0") = -1 EISDIR (Is a directory) [pid 501] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 501] exit_group(0) = ? [pid 501] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=501, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 502 ./strace-static-x86_64: Process 502 attached [pid 502] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 502] setpgid(0, 0) = 0 [pid 502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 502] write(3, "1000", 4) = 4 [pid 502] close(3) = 0 [pid 502] memfd_create("syzkaller", 0) = 3 [pid 502] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 502] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 502] munmap(0x7f26a8533000, 131072) = 0 [pid 502] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 502] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 502] ioctl(4, LOOP_CLR_FD) = 0 [pid 502] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 502] close(4) = 0 [pid 502] close(3) = 0 [pid 502] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 502] open("./file0", O_RDONLY) = 3 [pid 502] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 502] unlink("./file0") = -1 EISDIR (Is a directory) [pid 502] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 502] exit_group(0) = ? [pid 502] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=502, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 503 ./strace-static-x86_64: Process 503 attached [pid 503] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 503] setpgid(0, 0) = 0 [pid 503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 503] write(3, "1000", 4) = 4 [pid 503] close(3) = 0 [pid 503] memfd_create("syzkaller", 0) = 3 [pid 503] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 503] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 503] munmap(0x7f26a8533000, 131072) = 0 [pid 503] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 503] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 503] ioctl(4, LOOP_CLR_FD) = 0 [pid 503] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 503] close(4) = 0 [pid 503] close(3) = 0 [pid 503] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 503] open("./file0", O_RDONLY) = 3 [pid 503] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 503] unlink("./file0") = -1 EISDIR (Is a directory) [pid 503] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 503] exit_group(0) = ? [pid 503] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=503, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 504 ./strace-static-x86_64: Process 504 attached [pid 504] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 504] setpgid(0, 0) = 0 [pid 504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 504] write(3, "1000", 4) = 4 [pid 504] close(3) = 0 [pid 504] memfd_create("syzkaller", 0) = 3 [pid 504] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 504] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 504] munmap(0x7f26a8533000, 131072) = 0 [pid 504] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 504] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 504] ioctl(4, LOOP_CLR_FD) = 0 [pid 504] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 504] close(4) = 0 [pid 504] close(3) = 0 [pid 504] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 504] open("./file0", O_RDONLY) = 3 [pid 504] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 504] unlink("./file0") = -1 EISDIR (Is a directory) [pid 504] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 504] exit_group(0) = ? [pid 504] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=504, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 505 ./strace-static-x86_64: Process 505 attached [pid 505] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 505] setpgid(0, 0) = 0 [pid 505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 505] write(3, "1000", 4) = 4 [pid 505] close(3) = 0 [pid 505] memfd_create("syzkaller", 0) = 3 [pid 505] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 505] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 505] munmap(0x7f26a8533000, 131072) = 0 [pid 505] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 505] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 505] ioctl(4, LOOP_CLR_FD) = 0 [pid 505] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 505] close(4) = 0 [pid 505] close(3) = 0 [pid 505] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 505] open("./file0", O_RDONLY) = 3 [pid 505] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 505] unlink("./file0") = -1 EISDIR (Is a directory) [pid 505] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 505] exit_group(0) = ? [pid 505] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=505, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 506 ./strace-static-x86_64: Process 506 attached [pid 506] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 506] setpgid(0, 0) = 0 [pid 506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 506] write(3, "1000", 4) = 4 [pid 506] close(3) = 0 [pid 506] memfd_create("syzkaller", 0) = 3 [pid 506] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 506] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 506] munmap(0x7f26a8533000, 131072) = 0 [pid 506] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 506] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 506] ioctl(4, LOOP_CLR_FD) = 0 [pid 506] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 506] close(4) = 0 [pid 506] close(3) = 0 [pid 506] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 506] open("./file0", O_RDONLY) = 3 [pid 506] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 506] unlink("./file0") = -1 EISDIR (Is a directory) [pid 506] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 506] exit_group(0) = ? [pid 506] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=506, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 507 attached , child_tidptr=0x555556e0f5d0) = 507 [pid 507] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 507] setpgid(0, 0) = 0 [pid 507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 507] write(3, "1000", 4) = 4 [pid 507] close(3) = 0 [pid 507] memfd_create("syzkaller", 0) = 3 [pid 507] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 507] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 507] munmap(0x7f26a8533000, 131072) = 0 [pid 507] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 507] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 507] ioctl(4, LOOP_CLR_FD) = 0 [pid 507] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 507] close(4) = 0 [pid 507] close(3) = 0 [pid 507] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 507] open("./file0", O_RDONLY) = 3 [pid 507] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 507] unlink("./file0") = -1 EISDIR (Is a directory) [pid 507] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 507] exit_group(0) = ? [pid 507] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=507, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 508 ./strace-static-x86_64: Process 508 attached [pid 508] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 508] setpgid(0, 0) = 0 [pid 508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 508] write(3, "1000", 4) = 4 [pid 508] close(3) = 0 [pid 508] memfd_create("syzkaller", 0) = 3 [pid 508] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 508] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 508] munmap(0x7f26a8533000, 131072) = 0 [pid 508] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 508] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 508] ioctl(4, LOOP_CLR_FD) = 0 [pid 508] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 508] close(4) = 0 [pid 508] close(3) = 0 [pid 508] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 508] open("./file0", O_RDONLY) = 3 [pid 508] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 508] unlink("./file0") = -1 EISDIR (Is a directory) [pid 508] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 508] exit_group(0) = ? [pid 508] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=508, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 509 attached , child_tidptr=0x555556e0f5d0) = 509 [pid 509] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 509] setpgid(0, 0) = 0 [pid 509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 509] write(3, "1000", 4) = 4 [pid 509] close(3) = 0 [pid 509] memfd_create("syzkaller", 0) = 3 [pid 509] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 509] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 509] munmap(0x7f26a8533000, 131072) = 0 [pid 509] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 509] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 509] ioctl(4, LOOP_CLR_FD) = 0 [pid 509] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 509] close(4) = 0 [pid 509] close(3) = 0 [pid 509] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 509] open("./file0", O_RDONLY) = 3 [pid 509] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 509] unlink("./file0") = -1 EISDIR (Is a directory) [pid 509] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 509] exit_group(0) = ? [pid 509] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=509, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 510 ./strace-static-x86_64: Process 510 attached [pid 510] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 510] setpgid(0, 0) = 0 [pid 510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 510] write(3, "1000", 4) = 4 [pid 510] close(3) = 0 [pid 510] memfd_create("syzkaller", 0) = 3 [pid 510] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 510] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 510] munmap(0x7f26a8533000, 131072) = 0 [pid 510] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 510] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 510] ioctl(4, LOOP_CLR_FD) = 0 [pid 510] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 510] close(4) = 0 [pid 510] close(3) = 0 [pid 510] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 510] open("./file0", O_RDONLY) = 3 [pid 510] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 510] unlink("./file0") = -1 EISDIR (Is a directory) [pid 510] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 510] exit_group(0) = ? [pid 510] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=510, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 511 ./strace-static-x86_64: Process 511 attached [pid 511] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 511] setpgid(0, 0) = 0 [pid 511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 511] write(3, "1000", 4) = 4 [pid 511] close(3) = 0 [pid 511] memfd_create("syzkaller", 0) = 3 [pid 511] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 511] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 511] munmap(0x7f26a8533000, 131072) = 0 [pid 511] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 511] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 511] ioctl(4, LOOP_CLR_FD) = 0 [pid 511] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 511] close(4) = 0 [pid 511] close(3) = 0 [pid 511] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 511] open("./file0", O_RDONLY) = 3 [pid 511] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 511] unlink("./file0") = -1 EISDIR (Is a directory) [pid 511] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 511] exit_group(0) = ? [pid 511] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=511, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 512 ./strace-static-x86_64: Process 512 attached [pid 512] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 512] setpgid(0, 0) = 0 [pid 512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 512] write(3, "1000", 4) = 4 [pid 512] close(3) = 0 [pid 512] memfd_create("syzkaller", 0) = 3 [pid 512] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 512] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 512] munmap(0x7f26a8533000, 131072) = 0 [pid 512] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 512] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 512] ioctl(4, LOOP_CLR_FD) = 0 [pid 512] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 512] close(4) = 0 [pid 512] close(3) = 0 [pid 512] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 512] open("./file0", O_RDONLY) = 3 [pid 512] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 512] unlink("./file0") = -1 EISDIR (Is a directory) [pid 512] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 512] exit_group(0) = ? [pid 512] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=512, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 513 ./strace-static-x86_64: Process 513 attached [pid 513] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 513] setpgid(0, 0) = 0 [pid 513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 513] write(3, "1000", 4) = 4 [pid 513] close(3) = 0 [pid 513] memfd_create("syzkaller", 0) = 3 [pid 513] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 513] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 513] munmap(0x7f26a8533000, 131072) = 0 [pid 513] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 513] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 513] ioctl(4, LOOP_CLR_FD) = 0 [pid 513] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 513] close(4) = 0 [pid 513] close(3) = 0 [pid 513] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 513] open("./file0", O_RDONLY) = 3 [pid 513] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 513] unlink("./file0") = -1 EISDIR (Is a directory) [pid 513] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 513] exit_group(0) = ? [pid 513] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=513, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 514 ./strace-static-x86_64: Process 514 attached [pid 514] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 514] setpgid(0, 0) = 0 [pid 514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 514] write(3, "1000", 4) = 4 [pid 514] close(3) = 0 [pid 514] memfd_create("syzkaller", 0) = 3 [pid 514] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 514] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 514] munmap(0x7f26a8533000, 131072) = 0 [pid 514] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 514] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 514] ioctl(4, LOOP_CLR_FD) = 0 [pid 514] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 514] close(4) = 0 [pid 514] close(3) = 0 [pid 514] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 514] open("./file0", O_RDONLY) = 3 [pid 514] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 514] unlink("./file0") = -1 EISDIR (Is a directory) [pid 514] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 514] exit_group(0) = ? [pid 514] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=514, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 515 ./strace-static-x86_64: Process 515 attached [pid 515] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 515] setpgid(0, 0) = 0 [pid 515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 515] write(3, "1000", 4) = 4 [pid 515] close(3) = 0 [pid 515] memfd_create("syzkaller", 0) = 3 [pid 515] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 515] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 515] munmap(0x7f26a8533000, 131072) = 0 [pid 515] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 515] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 515] ioctl(4, LOOP_CLR_FD) = 0 [pid 515] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 515] close(4) = 0 [pid 515] close(3) = 0 [pid 515] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 515] open("./file0", O_RDONLY) = 3 [pid 515] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 515] unlink("./file0") = -1 EISDIR (Is a directory) [pid 515] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 515] exit_group(0) = ? [pid 515] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=515, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 516 ./strace-static-x86_64: Process 516 attached [pid 516] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 516] setpgid(0, 0) = 0 [pid 516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 516] write(3, "1000", 4) = 4 [pid 516] close(3) = 0 [pid 516] memfd_create("syzkaller", 0) = 3 [pid 516] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 516] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 516] munmap(0x7f26a8533000, 131072) = 0 [pid 516] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 516] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 516] ioctl(4, LOOP_CLR_FD) = 0 [pid 516] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 516] close(4) = 0 [pid 516] close(3) = 0 [pid 516] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 516] open("./file0", O_RDONLY) = 3 [pid 516] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 516] unlink("./file0") = -1 EISDIR (Is a directory) [pid 516] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 516] exit_group(0) = ? [pid 516] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=516, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 517 ./strace-static-x86_64: Process 517 attached [pid 517] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 517] setpgid(0, 0) = 0 [pid 517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 517] write(3, "1000", 4) = 4 [pid 517] close(3) = 0 [pid 517] memfd_create("syzkaller", 0) = 3 [pid 517] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 517] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 517] munmap(0x7f26a8533000, 131072) = 0 [pid 517] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 517] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 517] ioctl(4, LOOP_CLR_FD) = 0 [pid 517] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 517] close(4) = 0 [pid 517] close(3) = 0 [pid 517] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 517] open("./file0", O_RDONLY) = 3 [pid 517] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 517] unlink("./file0") = -1 EISDIR (Is a directory) [pid 517] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 517] exit_group(0) = ? [pid 517] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=517, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 518 ./strace-static-x86_64: Process 518 attached [pid 518] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 518] setpgid(0, 0) = 0 [pid 518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 518] write(3, "1000", 4) = 4 [pid 518] close(3) = 0 [pid 518] memfd_create("syzkaller", 0) = 3 [pid 518] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 518] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 518] munmap(0x7f26a8533000, 131072) = 0 [pid 518] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 518] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 518] ioctl(4, LOOP_CLR_FD) = 0 [pid 518] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 518] close(4) = 0 [pid 518] close(3) = 0 [pid 518] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 518] open("./file0", O_RDONLY) = 3 [pid 518] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 518] unlink("./file0") = -1 EISDIR (Is a directory) [pid 518] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 518] exit_group(0) = ? [pid 518] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=518, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 519 ./strace-static-x86_64: Process 519 attached [pid 519] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 519] setpgid(0, 0) = 0 [pid 519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 519] write(3, "1000", 4) = 4 [pid 519] close(3) = 0 [pid 519] memfd_create("syzkaller", 0) = 3 [pid 519] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 519] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 519] munmap(0x7f26a8533000, 131072) = 0 [pid 519] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 519] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 519] ioctl(4, LOOP_CLR_FD) = 0 [pid 519] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 519] close(4) = 0 [pid 519] close(3) = 0 [pid 519] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 519] open("./file0", O_RDONLY) = 3 [pid 519] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 519] unlink("./file0") = -1 EISDIR (Is a directory) [pid 519] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 519] exit_group(0) = ? [pid 519] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=519, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 520 ./strace-static-x86_64: Process 520 attached [pid 520] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 520] setpgid(0, 0) = 0 [pid 520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 520] write(3, "1000", 4) = 4 [pid 520] close(3) = 0 [pid 520] memfd_create("syzkaller", 0) = 3 [pid 520] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 520] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 520] munmap(0x7f26a8533000, 131072) = 0 [pid 520] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 520] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 520] ioctl(4, LOOP_CLR_FD) = 0 [pid 520] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 520] close(4) = 0 [pid 520] close(3) = 0 [pid 520] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 520] open("./file0", O_RDONLY) = 3 [pid 520] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 520] unlink("./file0") = -1 EISDIR (Is a directory) [pid 520] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 520] exit_group(0) = ? [pid 520] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=520, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 521 ./strace-static-x86_64: Process 521 attached [pid 521] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 521] setpgid(0, 0) = 0 [pid 521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 521] write(3, "1000", 4) = 4 [pid 521] close(3) = 0 [pid 521] memfd_create("syzkaller", 0) = 3 [pid 521] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 521] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 521] munmap(0x7f26a8533000, 131072) = 0 [pid 521] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 521] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 521] ioctl(4, LOOP_CLR_FD) = 0 [pid 521] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 521] close(4) = 0 [pid 521] close(3) = 0 [pid 521] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 521] open("./file0", O_RDONLY) = 3 [pid 521] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 521] unlink("./file0") = -1 EISDIR (Is a directory) [pid 521] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 521] exit_group(0) = ? [pid 521] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=521, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 522 ./strace-static-x86_64: Process 522 attached [pid 522] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 522] setpgid(0, 0) = 0 [pid 522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 522] write(3, "1000", 4) = 4 [pid 522] close(3) = 0 [pid 522] memfd_create("syzkaller", 0) = 3 [pid 522] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 522] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 522] munmap(0x7f26a8533000, 131072) = 0 [pid 522] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 522] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 522] ioctl(4, LOOP_CLR_FD) = 0 [pid 522] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 522] close(4) = 0 [pid 522] close(3) = 0 [pid 522] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 522] open("./file0", O_RDONLY) = 3 [pid 522] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 522] unlink("./file0") = -1 EISDIR (Is a directory) [pid 522] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 522] exit_group(0) = ? [pid 522] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=522, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 523 ./strace-static-x86_64: Process 523 attached [pid 523] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 523] setpgid(0, 0) = 0 [pid 523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 523] write(3, "1000", 4) = 4 [pid 523] close(3) = 0 [pid 523] memfd_create("syzkaller", 0) = 3 [pid 523] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 523] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 523] munmap(0x7f26a8533000, 131072) = 0 [pid 523] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 523] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 523] ioctl(4, LOOP_CLR_FD) = 0 [pid 523] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 523] close(4) = 0 [pid 523] close(3) = 0 [pid 523] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 523] open("./file0", O_RDONLY) = 3 [pid 523] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 523] unlink("./file0") = -1 EISDIR (Is a directory) [pid 523] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 523] exit_group(0) = ? [pid 523] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=523, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 524 ./strace-static-x86_64: Process 524 attached [pid 524] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 524] setpgid(0, 0) = 0 [pid 524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 524] write(3, "1000", 4) = 4 [pid 524] close(3) = 0 [pid 524] memfd_create("syzkaller", 0) = 3 [pid 524] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 524] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 524] munmap(0x7f26a8533000, 131072) = 0 [pid 524] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 524] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 524] ioctl(4, LOOP_CLR_FD) = 0 [pid 524] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 524] close(4) = 0 [pid 524] close(3) = 0 [pid 524] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 524] open("./file0", O_RDONLY) = 3 [pid 524] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 524] unlink("./file0") = -1 EISDIR (Is a directory) [pid 524] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 524] exit_group(0) = ? [pid 524] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=524, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 525 ./strace-static-x86_64: Process 525 attached [pid 525] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 525] setpgid(0, 0) = 0 [pid 525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 525] write(3, "1000", 4) = 4 [pid 525] close(3) = 0 [pid 525] memfd_create("syzkaller", 0) = 3 [pid 525] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 525] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 525] munmap(0x7f26a8533000, 131072) = 0 [pid 525] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 525] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 525] ioctl(4, LOOP_CLR_FD) = 0 [pid 525] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 525] close(4) = 0 [pid 525] close(3) = 0 [pid 525] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 525] open("./file0", O_RDONLY) = 3 [pid 525] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 525] unlink("./file0") = -1 EISDIR (Is a directory) [pid 525] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 525] exit_group(0) = ? [pid 525] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=525, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 526 ./strace-static-x86_64: Process 526 attached [pid 526] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 526] setpgid(0, 0) = 0 [pid 526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 526] write(3, "1000", 4) = 4 [pid 526] close(3) = 0 [pid 526] memfd_create("syzkaller", 0) = 3 [pid 526] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 526] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 526] munmap(0x7f26a8533000, 131072) = 0 [pid 526] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 526] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 526] ioctl(4, LOOP_CLR_FD) = 0 [pid 526] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 526] close(4) = 0 [pid 526] close(3) = 0 [pid 526] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 526] open("./file0", O_RDONLY) = 3 [pid 526] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 526] unlink("./file0") = -1 EISDIR (Is a directory) [pid 526] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 526] exit_group(0) = ? [pid 526] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=526, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 527 ./strace-static-x86_64: Process 527 attached [pid 527] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 527] setpgid(0, 0) = 0 [pid 527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 527] write(3, "1000", 4) = 4 [pid 527] close(3) = 0 [pid 527] memfd_create("syzkaller", 0) = 3 [pid 527] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 527] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 527] munmap(0x7f26a8533000, 131072) = 0 [pid 527] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 527] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 527] ioctl(4, LOOP_CLR_FD) = 0 [pid 527] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 527] close(4) = 0 [pid 527] close(3) = 0 [pid 527] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 527] open("./file0", O_RDONLY) = 3 [pid 527] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 527] unlink("./file0") = -1 EISDIR (Is a directory) [pid 527] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 527] exit_group(0) = ? [pid 527] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=527, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 528 ./strace-static-x86_64: Process 528 attached [pid 528] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 528] setpgid(0, 0) = 0 [pid 528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 528] write(3, "1000", 4) = 4 [pid 528] close(3) = 0 [pid 528] memfd_create("syzkaller", 0) = 3 [pid 528] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 528] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 528] munmap(0x7f26a8533000, 131072) = 0 [pid 528] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 528] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 528] ioctl(4, LOOP_CLR_FD) = 0 [pid 528] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 528] close(4) = 0 [pid 528] close(3) = 0 [pid 528] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 528] open("./file0", O_RDONLY) = 3 [pid 528] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 528] unlink("./file0") = -1 EISDIR (Is a directory) [pid 528] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 528] exit_group(0) = ? [pid 528] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=528, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 529 ./strace-static-x86_64: Process 529 attached [pid 529] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 529] setpgid(0, 0) = 0 [pid 529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 529] write(3, "1000", 4) = 4 [pid 529] close(3) = 0 [pid 529] memfd_create("syzkaller", 0) = 3 [pid 529] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 529] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 529] munmap(0x7f26a8533000, 131072) = 0 [pid 529] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 529] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 529] ioctl(4, LOOP_CLR_FD) = 0 [pid 529] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 529] close(4) = 0 [pid 529] close(3) = 0 [pid 529] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 529] open("./file0", O_RDONLY) = 3 [pid 529] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 529] unlink("./file0") = -1 EISDIR (Is a directory) [pid 529] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 529] exit_group(0) = ? [pid 529] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=529, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 530 ./strace-static-x86_64: Process 530 attached [pid 530] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 530] setpgid(0, 0) = 0 [pid 530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 530] write(3, "1000", 4) = 4 [pid 530] close(3) = 0 [pid 530] memfd_create("syzkaller", 0) = 3 [pid 530] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 530] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 530] munmap(0x7f26a8533000, 131072) = 0 [pid 530] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 530] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 530] ioctl(4, LOOP_CLR_FD) = 0 [pid 530] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 530] close(4) = 0 [pid 530] close(3) = 0 [pid 530] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 530] open("./file0", O_RDONLY) = 3 [pid 530] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 530] unlink("./file0") = -1 EISDIR (Is a directory) [pid 530] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 530] exit_group(0) = ? [pid 530] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=530, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 531 ./strace-static-x86_64: Process 531 attached [pid 531] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 531] setpgid(0, 0) = 0 [pid 531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 531] write(3, "1000", 4) = 4 [pid 531] close(3) = 0 [pid 531] memfd_create("syzkaller", 0) = 3 [pid 531] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 531] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 531] munmap(0x7f26a8533000, 131072) = 0 [pid 531] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 531] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 531] ioctl(4, LOOP_CLR_FD) = 0 [pid 531] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 531] close(4) = 0 [pid 531] close(3) = 0 [pid 531] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 531] open("./file0", O_RDONLY) = 3 [pid 531] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 531] unlink("./file0") = -1 EISDIR (Is a directory) [pid 531] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 531] exit_group(0) = ? [pid 531] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=531, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 532 attached , child_tidptr=0x555556e0f5d0) = 532 [pid 532] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 532] setpgid(0, 0) = 0 [pid 532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 532] write(3, "1000", 4) = 4 [pid 532] close(3) = 0 [pid 532] memfd_create("syzkaller", 0) = 3 [pid 532] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 532] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 532] munmap(0x7f26a8533000, 131072) = 0 [pid 532] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 532] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 532] ioctl(4, LOOP_CLR_FD) = 0 [pid 532] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 532] close(4) = 0 [pid 532] close(3) = 0 [pid 532] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 532] open("./file0", O_RDONLY) = 3 [pid 532] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 532] unlink("./file0") = -1 EISDIR (Is a directory) [pid 532] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 532] exit_group(0) = ? [pid 532] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=532, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 533 ./strace-static-x86_64: Process 533 attached [pid 533] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 533] setpgid(0, 0) = 0 [pid 533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 533] write(3, "1000", 4) = 4 [pid 533] close(3) = 0 [pid 533] memfd_create("syzkaller", 0) = 3 [pid 533] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 533] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 533] munmap(0x7f26a8533000, 131072) = 0 [pid 533] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 533] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 533] ioctl(4, LOOP_CLR_FD) = 0 [pid 533] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 533] close(4) = 0 [pid 533] close(3) = 0 [pid 533] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 533] open("./file0", O_RDONLY) = 3 [pid 533] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 533] unlink("./file0") = -1 EISDIR (Is a directory) [pid 533] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 533] exit_group(0) = ? [pid 533] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=533, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 534 ./strace-static-x86_64: Process 534 attached [pid 534] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 534] setpgid(0, 0) = 0 [pid 534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 534] write(3, "1000", 4) = 4 [pid 534] close(3) = 0 [pid 534] memfd_create("syzkaller", 0) = 3 [pid 534] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 534] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 534] munmap(0x7f26a8533000, 131072) = 0 [pid 534] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 534] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 534] ioctl(4, LOOP_CLR_FD) = 0 [pid 534] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 534] close(4) = 0 [pid 534] close(3) = 0 [pid 534] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 534] open("./file0", O_RDONLY) = 3 [pid 534] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 534] unlink("./file0") = -1 EISDIR (Is a directory) [pid 534] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 534] exit_group(0) = ? [pid 534] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=534, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 536 attached , child_tidptr=0x555556e0f5d0) = 536 [pid 536] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 536] setpgid(0, 0) = 0 [pid 536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 536] write(3, "1000", 4) = 4 [pid 536] close(3) = 0 [pid 536] memfd_create("syzkaller", 0) = 3 [pid 536] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 536] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 536] munmap(0x7f26a8533000, 131072) = 0 [pid 536] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 536] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 536] ioctl(4, LOOP_CLR_FD) = 0 [pid 536] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 536] close(4) = 0 [pid 536] close(3) = 0 [pid 536] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 536] open("./file0", O_RDONLY) = 3 [pid 536] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 536] unlink("./file0") = -1 EISDIR (Is a directory) [pid 536] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 536] exit_group(0) = ? [pid 536] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=536, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 537 ./strace-static-x86_64: Process 537 attached [pid 537] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 537] setpgid(0, 0) = 0 [pid 537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 537] write(3, "1000", 4) = 4 [pid 537] close(3) = 0 [pid 537] memfd_create("syzkaller", 0) = 3 [pid 537] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 537] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 537] munmap(0x7f26a8533000, 131072) = 0 [pid 537] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 537] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 537] ioctl(4, LOOP_CLR_FD) = 0 [pid 537] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 537] close(4) = 0 [pid 537] close(3) = 0 [pid 537] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 537] open("./file0", O_RDONLY) = 3 [pid 537] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 537] unlink("./file0") = -1 EISDIR (Is a directory) [pid 537] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 537] exit_group(0) = ? [pid 537] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=537, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 538 ./strace-static-x86_64: Process 538 attached [pid 538] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 538] setpgid(0, 0) = 0 [pid 538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 538] write(3, "1000", 4) = 4 [pid 538] close(3) = 0 [pid 538] memfd_create("syzkaller", 0) = 3 [pid 538] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 538] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 538] munmap(0x7f26a8533000, 131072) = 0 [pid 538] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 538] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 538] ioctl(4, LOOP_CLR_FD) = 0 [pid 538] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 538] close(4) = 0 [pid 538] close(3) = 0 [pid 538] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 538] open("./file0", O_RDONLY) = 3 [pid 538] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 538] unlink("./file0") = -1 EISDIR (Is a directory) [pid 538] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 538] exit_group(0) = ? [pid 538] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=538, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 539 ./strace-static-x86_64: Process 539 attached [pid 539] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 539] setpgid(0, 0) = 0 [pid 539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 539] write(3, "1000", 4) = 4 [pid 539] close(3) = 0 [pid 539] memfd_create("syzkaller", 0) = 3 [pid 539] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 539] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 539] munmap(0x7f26a8533000, 131072) = 0 [pid 539] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 539] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 539] ioctl(4, LOOP_CLR_FD) = 0 [pid 539] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 539] close(4) = 0 [pid 539] close(3) = 0 [pid 539] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 539] open("./file0", O_RDONLY) = 3 [pid 539] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 539] unlink("./file0") = -1 EISDIR (Is a directory) [pid 539] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 539] exit_group(0) = ? [pid 539] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=539, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 540 ./strace-static-x86_64: Process 540 attached [pid 540] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 540] setpgid(0, 0) = 0 [pid 540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 540] write(3, "1000", 4) = 4 [pid 540] close(3) = 0 [pid 540] memfd_create("syzkaller", 0) = 3 [pid 540] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 540] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 540] munmap(0x7f26a8533000, 131072) = 0 [pid 540] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 540] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 540] ioctl(4, LOOP_CLR_FD) = 0 [pid 540] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 540] close(4) = 0 [pid 540] close(3) = 0 [pid 540] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 540] open("./file0", O_RDONLY) = 3 [pid 540] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 540] unlink("./file0") = -1 EISDIR (Is a directory) [pid 540] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 540] exit_group(0) = ? [pid 540] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=540, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 541 ./strace-static-x86_64: Process 541 attached [pid 541] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 541] setpgid(0, 0) = 0 [pid 541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 541] write(3, "1000", 4) = 4 [pid 541] close(3) = 0 [pid 541] memfd_create("syzkaller", 0) = 3 [pid 541] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 541] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 541] munmap(0x7f26a8533000, 131072) = 0 [pid 541] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 541] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 541] ioctl(4, LOOP_CLR_FD) = 0 [pid 541] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 541] close(4) = 0 [pid 541] close(3) = 0 [pid 541] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 541] open("./file0", O_RDONLY) = 3 [pid 541] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 541] unlink("./file0") = -1 EISDIR (Is a directory) [pid 541] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 541] exit_group(0) = ? [pid 541] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=541, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 542 ./strace-static-x86_64: Process 542 attached [pid 542] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 542] setpgid(0, 0) = 0 [pid 542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 542] write(3, "1000", 4) = 4 [pid 542] close(3) = 0 [pid 542] memfd_create("syzkaller", 0) = 3 [pid 542] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 542] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 542] munmap(0x7f26a8533000, 131072) = 0 [pid 542] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 542] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 542] ioctl(4, LOOP_CLR_FD) = 0 [pid 542] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 542] close(4) = 0 [pid 542] close(3) = 0 [pid 542] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 542] open("./file0", O_RDONLY) = 3 [pid 542] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 542] unlink("./file0") = -1 EISDIR (Is a directory) [pid 542] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 542] exit_group(0) = ? [pid 542] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=542, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 543 ./strace-static-x86_64: Process 543 attached [pid 543] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 543] setpgid(0, 0) = 0 [pid 543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 543] write(3, "1000", 4) = 4 [pid 543] close(3) = 0 [pid 543] memfd_create("syzkaller", 0) = 3 [pid 543] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 543] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 543] munmap(0x7f26a8533000, 131072) = 0 [pid 543] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 543] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 543] ioctl(4, LOOP_CLR_FD) = 0 [pid 543] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 543] close(4) = 0 [pid 543] close(3) = 0 [pid 543] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 543] open("./file0", O_RDONLY) = 3 [pid 543] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 543] unlink("./file0") = -1 EISDIR (Is a directory) [pid 543] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 543] exit_group(0) = ? [pid 543] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=543, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 544 ./strace-static-x86_64: Process 544 attached [pid 544] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 544] setpgid(0, 0) = 0 [pid 544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 544] write(3, "1000", 4) = 4 [pid 544] close(3) = 0 [pid 544] memfd_create("syzkaller", 0) = 3 [pid 544] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 544] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 544] munmap(0x7f26a8533000, 131072) = 0 [pid 544] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 544] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 544] ioctl(4, LOOP_CLR_FD) = 0 [pid 544] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 544] close(4) = 0 [pid 544] close(3) = 0 [pid 544] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 544] open("./file0", O_RDONLY) = 3 [pid 544] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 544] unlink("./file0") = -1 EISDIR (Is a directory) [pid 544] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 544] exit_group(0) = ? [pid 544] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=544, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 545 ./strace-static-x86_64: Process 545 attached [pid 545] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 545] setpgid(0, 0) = 0 [pid 545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 545] write(3, "1000", 4) = 4 [pid 545] close(3) = 0 [pid 545] memfd_create("syzkaller", 0) = 3 [pid 545] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 545] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 545] munmap(0x7f26a8533000, 131072) = 0 [pid 545] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 545] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 545] ioctl(4, LOOP_CLR_FD) = 0 [pid 545] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 545] close(4) = 0 [pid 545] close(3) = 0 [pid 545] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 545] open("./file0", O_RDONLY) = 3 [pid 545] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 545] unlink("./file0") = -1 EISDIR (Is a directory) [pid 545] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 545] exit_group(0) = ? [pid 545] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=545, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 546 ./strace-static-x86_64: Process 546 attached [pid 546] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 546] setpgid(0, 0) = 0 [pid 546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 546] write(3, "1000", 4) = 4 [pid 546] close(3) = 0 [pid 546] memfd_create("syzkaller", 0) = 3 [pid 546] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 546] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 546] munmap(0x7f26a8533000, 131072) = 0 [pid 546] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 546] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 546] ioctl(4, LOOP_CLR_FD) = 0 [pid 546] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 546] close(4) = 0 [pid 546] close(3) = 0 [pid 546] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 546] open("./file0", O_RDONLY) = 3 [pid 546] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 546] unlink("./file0") = -1 EISDIR (Is a directory) [pid 546] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 546] exit_group(0) = ? [pid 546] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=546, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 547 ./strace-static-x86_64: Process 547 attached [pid 547] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 547] setpgid(0, 0) = 0 [pid 547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 547] write(3, "1000", 4) = 4 [pid 547] close(3) = 0 [pid 547] memfd_create("syzkaller", 0) = 3 [pid 547] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 547] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 547] munmap(0x7f26a8533000, 131072) = 0 [pid 547] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 547] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 547] ioctl(4, LOOP_CLR_FD) = 0 [pid 547] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 547] close(4) = 0 [pid 547] close(3) = 0 [pid 547] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 547] open("./file0", O_RDONLY) = 3 [pid 547] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 547] unlink("./file0") = -1 EISDIR (Is a directory) [pid 547] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 547] exit_group(0) = ? [pid 547] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=547, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 548 ./strace-static-x86_64: Process 548 attached [pid 548] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 548] setpgid(0, 0) = 0 [pid 548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 548] write(3, "1000", 4) = 4 [pid 548] close(3) = 0 [pid 548] memfd_create("syzkaller", 0) = 3 [pid 548] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 548] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 548] munmap(0x7f26a8533000, 131072) = 0 [pid 548] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 548] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 548] ioctl(4, LOOP_CLR_FD) = 0 [pid 548] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 548] close(4) = 0 [pid 548] close(3) = 0 [pid 548] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 548] open("./file0", O_RDONLY) = 3 [pid 548] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 548] unlink("./file0") = -1 EISDIR (Is a directory) [pid 548] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 548] exit_group(0) = ? [pid 548] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=548, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 549 ./strace-static-x86_64: Process 549 attached [pid 549] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 549] setpgid(0, 0) = 0 [pid 549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 549] write(3, "1000", 4) = 4 [pid 549] close(3) = 0 [pid 549] memfd_create("syzkaller", 0) = 3 [pid 549] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 549] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 549] munmap(0x7f26a8533000, 131072) = 0 [pid 549] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 549] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 549] ioctl(4, LOOP_CLR_FD) = 0 [pid 549] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 549] close(4) = 0 [pid 549] close(3) = 0 [pid 549] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 549] open("./file0", O_RDONLY) = 3 [pid 549] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 549] unlink("./file0") = -1 EISDIR (Is a directory) [pid 549] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 549] exit_group(0) = ? [pid 549] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=549, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 550 ./strace-static-x86_64: Process 550 attached [pid 550] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 550] setpgid(0, 0) = 0 [pid 550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 550] write(3, "1000", 4) = 4 [pid 550] close(3) = 0 [pid 550] memfd_create("syzkaller", 0) = 3 [pid 550] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 550] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 550] munmap(0x7f26a8533000, 131072) = 0 [pid 550] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 550] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 550] ioctl(4, LOOP_CLR_FD) = 0 [pid 550] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 550] close(4) = 0 [pid 550] close(3) = 0 [pid 550] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 550] open("./file0", O_RDONLY) = 3 [pid 550] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 550] unlink("./file0") = -1 EISDIR (Is a directory) [pid 550] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 550] exit_group(0) = ? [pid 550] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=550, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 551 ./strace-static-x86_64: Process 551 attached [pid 551] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 551] setpgid(0, 0) = 0 [pid 551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 551] write(3, "1000", 4) = 4 [pid 551] close(3) = 0 [pid 551] memfd_create("syzkaller", 0) = 3 [pid 551] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 551] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 551] munmap(0x7f26a8533000, 131072) = 0 [pid 551] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 551] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 551] ioctl(4, LOOP_CLR_FD) = 0 [pid 551] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 551] close(4) = 0 [pid 551] close(3) = 0 [pid 551] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 551] open("./file0", O_RDONLY) = 3 [pid 551] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 551] unlink("./file0") = -1 EISDIR (Is a directory) [pid 551] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 551] exit_group(0) = ? [pid 551] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=551, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 552 ./strace-static-x86_64: Process 552 attached [pid 552] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 552] setpgid(0, 0) = 0 [pid 552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 552] write(3, "1000", 4) = 4 [pid 552] close(3) = 0 [pid 552] memfd_create("syzkaller", 0) = 3 [pid 552] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 552] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 552] munmap(0x7f26a8533000, 131072) = 0 [pid 552] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 552] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 552] ioctl(4, LOOP_CLR_FD) = 0 [pid 552] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 552] close(4) = 0 [pid 552] close(3) = 0 [pid 552] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 552] open("./file0", O_RDONLY) = 3 [pid 552] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 552] unlink("./file0") = -1 EISDIR (Is a directory) [pid 552] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 552] exit_group(0) = ? [pid 552] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=552, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 553 ./strace-static-x86_64: Process 553 attached [pid 553] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 553] setpgid(0, 0) = 0 [pid 553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 553] write(3, "1000", 4) = 4 [pid 553] close(3) = 0 [pid 553] memfd_create("syzkaller", 0) = 3 [pid 553] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 553] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 553] munmap(0x7f26a8533000, 131072) = 0 [pid 553] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 553] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 553] ioctl(4, LOOP_CLR_FD) = 0 [pid 553] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 553] close(4) = 0 [pid 553] close(3) = 0 [pid 553] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 553] open("./file0", O_RDONLY) = 3 [pid 553] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 553] unlink("./file0") = -1 EISDIR (Is a directory) [pid 553] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 553] exit_group(0) = ? [pid 553] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=553, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 554 ./strace-static-x86_64: Process 554 attached [pid 554] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 554] setpgid(0, 0) = 0 [pid 554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 554] write(3, "1000", 4) = 4 [pid 554] close(3) = 0 [pid 554] memfd_create("syzkaller", 0) = 3 [pid 554] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 554] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 554] munmap(0x7f26a8533000, 131072) = 0 [pid 554] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 554] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 554] ioctl(4, LOOP_CLR_FD) = 0 [pid 554] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 554] close(4) = 0 [pid 554] close(3) = 0 [pid 554] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 554] open("./file0", O_RDONLY) = 3 [pid 554] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 554] unlink("./file0") = -1 EISDIR (Is a directory) [pid 554] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 554] exit_group(0) = ? [pid 554] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=554, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 555 ./strace-static-x86_64: Process 555 attached [pid 555] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 555] setpgid(0, 0) = 0 [pid 555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 555] write(3, "1000", 4) = 4 [pid 555] close(3) = 0 [pid 555] memfd_create("syzkaller", 0) = 3 [pid 555] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 555] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 555] munmap(0x7f26a8533000, 131072) = 0 [pid 555] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 555] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 555] ioctl(4, LOOP_CLR_FD) = 0 [pid 555] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 555] close(4) = 0 [pid 555] close(3) = 0 [pid 555] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 555] open("./file0", O_RDONLY) = 3 [pid 555] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 555] unlink("./file0") = -1 EISDIR (Is a directory) [pid 555] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 555] exit_group(0) = ? [pid 555] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=555, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 556 ./strace-static-x86_64: Process 556 attached [pid 556] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 556] setpgid(0, 0) = 0 [pid 556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 556] write(3, "1000", 4) = 4 [pid 556] close(3) = 0 [pid 556] memfd_create("syzkaller", 0) = 3 [pid 556] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 556] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 556] munmap(0x7f26a8533000, 131072) = 0 [pid 556] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 556] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 556] ioctl(4, LOOP_CLR_FD) = 0 [pid 556] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 556] close(4) = 0 [pid 556] close(3) = 0 [pid 556] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 556] open("./file0", O_RDONLY) = 3 [pid 556] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 556] unlink("./file0") = -1 EISDIR (Is a directory) [pid 556] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 556] exit_group(0) = ? [pid 556] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=556, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 557 ./strace-static-x86_64: Process 557 attached [pid 557] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 557] setpgid(0, 0) = 0 [pid 557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 557] write(3, "1000", 4) = 4 [pid 557] close(3) = 0 [pid 557] memfd_create("syzkaller", 0) = 3 [pid 557] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 557] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 557] munmap(0x7f26a8533000, 131072) = 0 [pid 557] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 557] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 557] ioctl(4, LOOP_CLR_FD) = 0 [pid 557] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 557] close(4) = 0 [pid 557] close(3) = 0 [pid 557] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 557] open("./file0", O_RDONLY) = 3 [pid 557] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 557] unlink("./file0") = -1 EISDIR (Is a directory) [pid 557] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 557] exit_group(0) = ? [pid 557] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=557, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 558 ./strace-static-x86_64: Process 558 attached [pid 558] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 558] setpgid(0, 0) = 0 [pid 558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 558] write(3, "1000", 4) = 4 [pid 558] close(3) = 0 [pid 558] memfd_create("syzkaller", 0) = 3 [pid 558] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 558] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 558] munmap(0x7f26a8533000, 131072) = 0 [pid 558] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 558] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 558] ioctl(4, LOOP_CLR_FD) = 0 [pid 558] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 558] close(4) = 0 [pid 558] close(3) = 0 [pid 558] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 558] open("./file0", O_RDONLY) = 3 [pid 558] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 558] unlink("./file0") = -1 EISDIR (Is a directory) [pid 558] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 558] exit_group(0) = ? [pid 558] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=558, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 559 ./strace-static-x86_64: Process 559 attached [pid 559] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 559] setpgid(0, 0) = 0 [pid 559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 559] write(3, "1000", 4) = 4 [pid 559] close(3) = 0 [pid 559] memfd_create("syzkaller", 0) = 3 [pid 559] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 559] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 559] munmap(0x7f26a8533000, 131072) = 0 [pid 559] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 559] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 559] ioctl(4, LOOP_CLR_FD) = 0 [pid 559] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 559] close(4) = 0 [pid 559] close(3) = 0 [pid 559] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 559] open("./file0", O_RDONLY) = 3 [pid 559] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 559] unlink("./file0") = -1 EISDIR (Is a directory) [pid 559] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 559] exit_group(0) = ? [pid 559] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=559, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 560 ./strace-static-x86_64: Process 560 attached [pid 560] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 560] setpgid(0, 0) = 0 [pid 560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 560] write(3, "1000", 4) = 4 [pid 560] close(3) = 0 [pid 560] memfd_create("syzkaller", 0) = 3 [pid 560] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 560] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 560] munmap(0x7f26a8533000, 131072) = 0 [pid 560] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 560] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 560] ioctl(4, LOOP_CLR_FD) = 0 [pid 560] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 560] close(4) = 0 [pid 560] close(3) = 0 [pid 560] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 560] open("./file0", O_RDONLY) = 3 [pid 560] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 560] unlink("./file0") = -1 EISDIR (Is a directory) [pid 560] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 560] exit_group(0) = ? [pid 560] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=560, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 561 ./strace-static-x86_64: Process 561 attached [pid 561] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 561] setpgid(0, 0) = 0 [pid 561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 561] write(3, "1000", 4) = 4 [pid 561] close(3) = 0 [pid 561] memfd_create("syzkaller", 0) = 3 [pid 561] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 561] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 561] munmap(0x7f26a8533000, 131072) = 0 [pid 561] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 561] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 561] ioctl(4, LOOP_CLR_FD) = 0 [pid 561] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 561] close(4) = 0 [pid 561] close(3) = 0 [pid 561] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 561] open("./file0", O_RDONLY) = 3 [pid 561] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 561] unlink("./file0") = -1 EISDIR (Is a directory) [pid 561] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 561] exit_group(0) = ? [pid 561] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=561, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 562 ./strace-static-x86_64: Process 562 attached [pid 562] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 562] setpgid(0, 0) = 0 [pid 562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 562] write(3, "1000", 4) = 4 [pid 562] close(3) = 0 [pid 562] memfd_create("syzkaller", 0) = 3 [pid 562] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 562] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 562] munmap(0x7f26a8533000, 131072) = 0 [pid 562] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 562] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 562] ioctl(4, LOOP_CLR_FD) = 0 [pid 562] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 562] close(4) = 0 [pid 562] close(3) = 0 [pid 562] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 562] open("./file0", O_RDONLY) = 3 [pid 562] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 562] unlink("./file0") = -1 EISDIR (Is a directory) [pid 562] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 562] exit_group(0) = ? [pid 562] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=562, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 563 attached [pid 563] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 563] setpgid(0, 0) = 0 [pid 563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 563] write(3, "1000", 4) = 4 [pid 563] close(3) = 0 [pid 563] memfd_create("syzkaller", 0) = 3 [pid 563] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 407] <... clone resumed>, child_tidptr=0x555556e0f5d0) = 563 [pid 563] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 563] munmap(0x7f26a8533000, 131072) = 0 [pid 563] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 563] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 563] ioctl(4, LOOP_CLR_FD) = 0 [pid 563] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 563] close(4) = 0 [pid 563] close(3) = 0 [pid 563] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 563] open("./file0", O_RDONLY) = 3 [pid 563] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 563] unlink("./file0") = -1 EISDIR (Is a directory) [pid 563] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 563] exit_group(0) = ? [pid 563] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=563, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 564 ./strace-static-x86_64: Process 564 attached [pid 564] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 564] setpgid(0, 0) = 0 [pid 564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 564] write(3, "1000", 4) = 4 [pid 564] close(3) = 0 [pid 564] memfd_create("syzkaller", 0) = 3 [pid 564] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 564] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 564] munmap(0x7f26a8533000, 131072) = 0 [pid 564] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 564] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 564] ioctl(4, LOOP_CLR_FD) = 0 [pid 564] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 564] close(4) = 0 [pid 564] close(3) = 0 [pid 564] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 564] open("./file0", O_RDONLY) = 3 [pid 564] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 564] unlink("./file0") = -1 EISDIR (Is a directory) [pid 564] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 564] exit_group(0) = ? [pid 564] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=564, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 565 ./strace-static-x86_64: Process 565 attached [pid 565] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 565] setpgid(0, 0) = 0 [pid 565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 565] write(3, "1000", 4) = 4 [pid 565] close(3) = 0 [pid 565] memfd_create("syzkaller", 0) = 3 [pid 565] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 565] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 565] munmap(0x7f26a8533000, 131072) = 0 [pid 565] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 565] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 565] ioctl(4, LOOP_CLR_FD) = 0 [pid 565] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 565] close(4) = 0 [pid 565] close(3) = 0 [pid 565] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 565] open("./file0", O_RDONLY) = 3 [pid 565] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 565] unlink("./file0") = -1 EISDIR (Is a directory) [pid 565] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 565] exit_group(0) = ? [pid 565] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=565, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 566 ./strace-static-x86_64: Process 566 attached [pid 566] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 566] setpgid(0, 0) = 0 [pid 566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 566] write(3, "1000", 4) = 4 [pid 566] close(3) = 0 [pid 566] memfd_create("syzkaller", 0) = 3 [pid 566] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 566] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 566] munmap(0x7f26a8533000, 131072) = 0 [pid 566] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 566] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 566] ioctl(4, LOOP_CLR_FD) = 0 [pid 566] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 566] close(4) = 0 [pid 566] close(3) = 0 [pid 566] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 566] open("./file0", O_RDONLY) = 3 [pid 566] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 566] unlink("./file0") = -1 EISDIR (Is a directory) [pid 566] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 566] exit_group(0) = ? [pid 566] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=566, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 567 ./strace-static-x86_64: Process 567 attached [pid 567] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 567] setpgid(0, 0) = 0 [pid 567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 567] write(3, "1000", 4) = 4 [pid 567] close(3) = 0 [pid 567] memfd_create("syzkaller", 0) = 3 [pid 567] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 567] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 567] munmap(0x7f26a8533000, 131072) = 0 [pid 567] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 567] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 567] ioctl(4, LOOP_CLR_FD) = 0 [pid 567] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 567] close(4) = 0 [pid 567] close(3) = 0 [pid 567] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 567] open("./file0", O_RDONLY) = 3 [pid 567] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 567] unlink("./file0") = -1 EISDIR (Is a directory) [pid 567] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 567] exit_group(0) = ? [pid 567] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=567, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 568 ./strace-static-x86_64: Process 568 attached [pid 568] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 568] setpgid(0, 0) = 0 [pid 568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 568] write(3, "1000", 4) = 4 [pid 568] close(3) = 0 [pid 568] memfd_create("syzkaller", 0) = 3 [pid 568] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 568] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 568] munmap(0x7f26a8533000, 131072) = 0 [pid 568] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 568] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 568] ioctl(4, LOOP_CLR_FD) = 0 [pid 568] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 568] close(4) = 0 [pid 568] close(3) = 0 [pid 568] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 568] open("./file0", O_RDONLY) = 3 [pid 568] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 568] unlink("./file0") = -1 EISDIR (Is a directory) [pid 568] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 568] exit_group(0) = ? [pid 568] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=568, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 569 ./strace-static-x86_64: Process 569 attached [pid 569] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 569] setpgid(0, 0) = 0 [pid 569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 569] write(3, "1000", 4) = 4 [pid 569] close(3) = 0 [pid 569] memfd_create("syzkaller", 0) = 3 [pid 569] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 569] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 569] munmap(0x7f26a8533000, 131072) = 0 [pid 569] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 569] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 569] ioctl(4, LOOP_CLR_FD) = 0 [pid 569] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 569] close(4) = 0 [pid 569] close(3) = 0 [pid 569] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 569] open("./file0", O_RDONLY) = 3 [pid 569] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 569] unlink("./file0") = -1 EISDIR (Is a directory) [pid 569] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 569] exit_group(0) = ? [pid 569] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=569, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 570 ./strace-static-x86_64: Process 570 attached [pid 570] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 570] setpgid(0, 0) = 0 [pid 570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 570] write(3, "1000", 4) = 4 [pid 570] close(3) = 0 [pid 570] memfd_create("syzkaller", 0) = 3 [pid 570] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 570] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 570] munmap(0x7f26a8533000, 131072) = 0 [pid 570] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 570] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 570] ioctl(4, LOOP_CLR_FD) = 0 [pid 570] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 570] close(4) = 0 [pid 570] close(3) = 0 [pid 570] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 570] open("./file0", O_RDONLY) = 3 [pid 570] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 570] unlink("./file0") = -1 EISDIR (Is a directory) [pid 570] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 570] exit_group(0) = ? [pid 570] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=570, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 571 ./strace-static-x86_64: Process 571 attached [pid 571] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 571] setpgid(0, 0) = 0 [pid 571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 571] write(3, "1000", 4) = 4 [pid 571] close(3) = 0 [pid 571] memfd_create("syzkaller", 0) = 3 [pid 571] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 571] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 571] munmap(0x7f26a8533000, 131072) = 0 [pid 571] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 571] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 571] ioctl(4, LOOP_CLR_FD) = 0 [pid 571] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 571] close(4) = 0 [pid 571] close(3) = 0 [pid 571] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 571] open("./file0", O_RDONLY) = 3 [pid 571] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 571] unlink("./file0") = -1 EISDIR (Is a directory) [pid 571] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 571] exit_group(0) = ? [pid 571] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=571, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 572 ./strace-static-x86_64: Process 572 attached [pid 572] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 572] setpgid(0, 0) = 0 [pid 572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 572] write(3, "1000", 4) = 4 [pid 572] close(3) = 0 [pid 572] memfd_create("syzkaller", 0) = 3 [pid 572] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 572] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 572] munmap(0x7f26a8533000, 131072) = 0 [pid 572] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 572] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 572] ioctl(4, LOOP_CLR_FD) = 0 [pid 572] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 572] close(4) = 0 [pid 572] close(3) = 0 [pid 572] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 572] open("./file0", O_RDONLY) = 3 [pid 572] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 572] unlink("./file0") = -1 EISDIR (Is a directory) [pid 572] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 572] exit_group(0) = ? [pid 572] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=572, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 573 ./strace-static-x86_64: Process 573 attached [pid 573] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 573] setpgid(0, 0) = 0 [pid 573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 573] write(3, "1000", 4) = 4 [pid 573] close(3) = 0 [pid 573] memfd_create("syzkaller", 0) = 3 [pid 573] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 573] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 573] munmap(0x7f26a8533000, 131072) = 0 [pid 573] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 573] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 573] ioctl(4, LOOP_CLR_FD) = 0 [pid 573] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 573] close(4) = 0 [pid 573] close(3) = 0 [pid 573] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 573] open("./file0", O_RDONLY) = 3 [pid 573] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 573] unlink("./file0") = -1 EISDIR (Is a directory) [pid 573] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 573] exit_group(0) = ? [pid 573] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=573, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 574 ./strace-static-x86_64: Process 574 attached [pid 574] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 574] setpgid(0, 0) = 0 [pid 574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 574] write(3, "1000", 4) = 4 [pid 574] close(3) = 0 [pid 574] memfd_create("syzkaller", 0) = 3 [pid 574] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 574] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 574] munmap(0x7f26a8533000, 131072) = 0 [pid 574] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 574] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 574] ioctl(4, LOOP_CLR_FD) = 0 [pid 574] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 574] close(4) = 0 [pid 574] close(3) = 0 [pid 574] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 574] open("./file0", O_RDONLY) = 3 [pid 574] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 574] unlink("./file0") = -1 EISDIR (Is a directory) [pid 574] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 574] exit_group(0) = ? [pid 574] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=574, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 575 ./strace-static-x86_64: Process 575 attached [pid 575] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 575] setpgid(0, 0) = 0 [pid 575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 575] write(3, "1000", 4) = 4 [pid 575] close(3) = 0 [pid 575] memfd_create("syzkaller", 0) = 3 [pid 575] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 575] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 575] munmap(0x7f26a8533000, 131072) = 0 [pid 575] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 575] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 575] ioctl(4, LOOP_CLR_FD) = 0 [pid 575] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 575] close(4) = 0 [pid 575] close(3) = 0 [pid 575] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 575] open("./file0", O_RDONLY) = 3 [pid 575] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 575] unlink("./file0") = -1 EISDIR (Is a directory) [pid 575] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 575] exit_group(0) = ? [pid 575] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=575, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 576 ./strace-static-x86_64: Process 576 attached [pid 576] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 576] setpgid(0, 0) = 0 [pid 576] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 576] write(3, "1000", 4) = 4 [pid 576] close(3) = 0 [pid 576] memfd_create("syzkaller", 0) = 3 [pid 576] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 576] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 576] munmap(0x7f26a8533000, 131072) = 0 [pid 576] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 576] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 576] ioctl(4, LOOP_CLR_FD) = 0 [pid 576] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 576] close(4) = 0 [pid 576] close(3) = 0 [pid 576] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 576] open("./file0", O_RDONLY) = 3 [pid 576] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 576] unlink("./file0") = -1 EISDIR (Is a directory) [pid 576] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 576] exit_group(0) = ? [pid 576] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=576, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 577 ./strace-static-x86_64: Process 577 attached [pid 577] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 577] setpgid(0, 0) = 0 [pid 577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 577] write(3, "1000", 4) = 4 [pid 577] close(3) = 0 [pid 577] memfd_create("syzkaller", 0) = 3 [pid 577] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 577] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 577] munmap(0x7f26a8533000, 131072) = 0 [pid 577] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 577] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 577] ioctl(4, LOOP_CLR_FD) = 0 [pid 577] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 577] close(4) = 0 [pid 577] close(3) = 0 [pid 577] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 577] open("./file0", O_RDONLY) = 3 [pid 577] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 577] unlink("./file0") = -1 EISDIR (Is a directory) [pid 577] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 577] exit_group(0) = ? [pid 577] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=577, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 578 ./strace-static-x86_64: Process 578 attached [pid 578] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 578] setpgid(0, 0) = 0 [pid 578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 578] write(3, "1000", 4) = 4 [pid 578] close(3) = 0 [pid 578] memfd_create("syzkaller", 0) = 3 [pid 578] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 578] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 578] munmap(0x7f26a8533000, 131072) = 0 [pid 578] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 578] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 578] ioctl(4, LOOP_CLR_FD) = 0 [pid 578] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 578] close(4) = 0 [pid 578] close(3) = 0 [pid 578] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 578] open("./file0", O_RDONLY) = 3 [pid 578] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 578] unlink("./file0") = -1 EISDIR (Is a directory) [pid 578] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 578] exit_group(0) = ? [pid 578] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=578, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 579 ./strace-static-x86_64: Process 579 attached [pid 579] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 579] setpgid(0, 0) = 0 [pid 579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 579] write(3, "1000", 4) = 4 [pid 579] close(3) = 0 [pid 579] memfd_create("syzkaller", 0) = 3 [pid 579] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 579] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 579] munmap(0x7f26a8533000, 131072) = 0 [pid 579] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 579] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 579] ioctl(4, LOOP_CLR_FD) = 0 [pid 579] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 579] close(4) = 0 [pid 579] close(3) = 0 [pid 579] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 579] open("./file0", O_RDONLY) = 3 [pid 579] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 579] unlink("./file0") = -1 EISDIR (Is a directory) [pid 579] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 579] exit_group(0) = ? [pid 579] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=579, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 580 ./strace-static-x86_64: Process 580 attached [pid 580] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 580] setpgid(0, 0) = 0 [pid 580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 580] write(3, "1000", 4) = 4 [pid 580] close(3) = 0 [pid 580] memfd_create("syzkaller", 0) = 3 [pid 580] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 580] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 580] munmap(0x7f26a8533000, 131072) = 0 [pid 580] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 580] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 580] ioctl(4, LOOP_CLR_FD) = 0 [pid 580] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 580] close(4) = 0 [pid 580] close(3) = 0 [pid 580] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 580] open("./file0", O_RDONLY) = 3 [pid 580] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 580] unlink("./file0") = -1 EISDIR (Is a directory) [pid 580] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 580] exit_group(0) = ? [pid 580] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=580, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 581 ./strace-static-x86_64: Process 581 attached [pid 581] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 581] setpgid(0, 0) = 0 [pid 581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 581] write(3, "1000", 4) = 4 [pid 581] close(3) = 0 [pid 581] memfd_create("syzkaller", 0) = 3 [pid 581] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 581] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 581] munmap(0x7f26a8533000, 131072) = 0 [pid 581] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 581] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 581] ioctl(4, LOOP_CLR_FD) = 0 [pid 581] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 581] close(4) = 0 [pid 581] close(3) = 0 [pid 581] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 581] open("./file0", O_RDONLY) = 3 [pid 581] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 581] unlink("./file0") = -1 EISDIR (Is a directory) [pid 581] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 581] exit_group(0) = ? [pid 581] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=581, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 582 ./strace-static-x86_64: Process 582 attached [pid 582] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 582] setpgid(0, 0) = 0 [pid 582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 582] write(3, "1000", 4) = 4 [pid 582] close(3) = 0 [pid 582] memfd_create("syzkaller", 0) = 3 [pid 582] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 582] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 582] munmap(0x7f26a8533000, 131072) = 0 [pid 582] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 582] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 582] ioctl(4, LOOP_CLR_FD) = 0 [pid 582] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 582] close(4) = 0 [pid 582] close(3) = 0 [pid 582] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 582] open("./file0", O_RDONLY) = 3 [pid 582] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 582] unlink("./file0") = -1 EISDIR (Is a directory) [pid 582] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 582] exit_group(0) = ? [pid 582] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=582, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 583 ./strace-static-x86_64: Process 583 attached [pid 583] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 583] setpgid(0, 0) = 0 [pid 583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 583] write(3, "1000", 4) = 4 [pid 583] close(3) = 0 [pid 583] memfd_create("syzkaller", 0) = 3 [pid 583] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 583] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 583] munmap(0x7f26a8533000, 131072) = 0 [pid 583] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 583] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 583] ioctl(4, LOOP_CLR_FD) = 0 [pid 583] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 583] close(4) = 0 [pid 583] close(3) = 0 [pid 583] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 583] open("./file0", O_RDONLY) = 3 [pid 583] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 583] unlink("./file0") = -1 EISDIR (Is a directory) [pid 583] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 583] exit_group(0) = ? [pid 583] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=583, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 584 ./strace-static-x86_64: Process 584 attached [pid 584] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 584] setpgid(0, 0) = 0 [pid 584] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 584] write(3, "1000", 4) = 4 [pid 584] close(3) = 0 [pid 584] memfd_create("syzkaller", 0) = 3 [pid 584] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 584] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 584] munmap(0x7f26a8533000, 131072) = 0 [pid 584] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 584] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 584] ioctl(4, LOOP_CLR_FD) = 0 [pid 584] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 584] close(4) = 0 [pid 584] close(3) = 0 [pid 584] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 584] open("./file0", O_RDONLY) = 3 [pid 584] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 584] unlink("./file0") = -1 EISDIR (Is a directory) [pid 584] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 584] exit_group(0) = ? [pid 584] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=584, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 585 ./strace-static-x86_64: Process 585 attached [pid 585] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 585] setpgid(0, 0) = 0 [pid 585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 585] write(3, "1000", 4) = 4 [pid 585] close(3) = 0 [pid 585] memfd_create("syzkaller", 0) = 3 [pid 585] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 585] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 585] munmap(0x7f26a8533000, 131072) = 0 [pid 585] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 585] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 585] ioctl(4, LOOP_CLR_FD) = 0 [pid 585] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 585] close(4) = 0 [pid 585] close(3) = 0 [pid 585] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 585] open("./file0", O_RDONLY) = 3 [pid 585] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 585] unlink("./file0") = -1 EISDIR (Is a directory) [pid 585] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 585] exit_group(0) = ? [pid 585] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=585, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 586 ./strace-static-x86_64: Process 586 attached [pid 586] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 586] setpgid(0, 0) = 0 [pid 586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 586] write(3, "1000", 4) = 4 [pid 586] close(3) = 0 [pid 586] memfd_create("syzkaller", 0) = 3 [pid 586] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 586] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 586] munmap(0x7f26a8533000, 131072) = 0 [pid 586] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 586] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 586] ioctl(4, LOOP_CLR_FD) = 0 [pid 586] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 586] close(4) = 0 [pid 586] close(3) = 0 [pid 586] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 586] open("./file0", O_RDONLY) = 3 [pid 586] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 586] unlink("./file0") = -1 EISDIR (Is a directory) [pid 586] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 586] exit_group(0) = ? [pid 586] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=586, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 587 ./strace-static-x86_64: Process 587 attached [pid 587] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 587] setpgid(0, 0) = 0 [pid 587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 587] write(3, "1000", 4) = 4 [pid 587] close(3) = 0 [pid 587] memfd_create("syzkaller", 0) = 3 [pid 587] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 587] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 587] munmap(0x7f26a8533000, 131072) = 0 [pid 587] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 587] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 587] ioctl(4, LOOP_CLR_FD) = 0 [pid 587] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 587] close(4) = 0 [pid 587] close(3) = 0 [pid 587] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 587] open("./file0", O_RDONLY) = 3 [pid 587] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 587] unlink("./file0") = -1 EISDIR (Is a directory) [pid 587] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 587] exit_group(0) = ? [pid 587] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=587, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 588 ./strace-static-x86_64: Process 588 attached [pid 588] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 588] setpgid(0, 0) = 0 [pid 588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 588] write(3, "1000", 4) = 4 [pid 588] close(3) = 0 [pid 588] memfd_create("syzkaller", 0) = 3 [pid 588] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 588] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 588] munmap(0x7f26a8533000, 131072) = 0 [pid 588] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 588] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 588] ioctl(4, LOOP_CLR_FD) = 0 [pid 588] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 588] close(4) = 0 [pid 588] close(3) = 0 [pid 588] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 588] open("./file0", O_RDONLY) = 3 [pid 588] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 588] unlink("./file0") = -1 EISDIR (Is a directory) [pid 588] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 588] exit_group(0) = ? [pid 588] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=588, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 589 ./strace-static-x86_64: Process 589 attached [pid 589] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 589] setpgid(0, 0) = 0 [pid 589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 589] write(3, "1000", 4) = 4 [pid 589] close(3) = 0 [pid 589] memfd_create("syzkaller", 0) = 3 [pid 589] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 589] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 589] munmap(0x7f26a8533000, 131072) = 0 [pid 589] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 589] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 589] ioctl(4, LOOP_CLR_FD) = 0 [pid 589] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 589] close(4) = 0 [pid 589] close(3) = 0 [pid 589] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 589] open("./file0", O_RDONLY) = 3 [pid 589] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 589] unlink("./file0") = -1 EISDIR (Is a directory) [pid 589] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 589] exit_group(0) = ? [pid 589] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=589, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 590 ./strace-static-x86_64: Process 590 attached [pid 590] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 590] setpgid(0, 0) = 0 [pid 590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 590] write(3, "1000", 4) = 4 [pid 590] close(3) = 0 [pid 590] memfd_create("syzkaller", 0) = 3 [pid 590] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 590] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 590] munmap(0x7f26a8533000, 131072) = 0 [pid 590] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 590] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 590] ioctl(4, LOOP_CLR_FD) = 0 [pid 590] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 590] close(4) = 0 [pid 590] close(3) = 0 [pid 590] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 590] open("./file0", O_RDONLY) = 3 [pid 590] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 590] unlink("./file0") = -1 EISDIR (Is a directory) [pid 590] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 590] exit_group(0) = ? [pid 590] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=590, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 591 attached , child_tidptr=0x555556e0f5d0) = 591 [pid 591] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 591] setpgid(0, 0) = 0 [pid 591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 591] write(3, "1000", 4) = 4 [pid 591] close(3) = 0 [pid 591] memfd_create("syzkaller", 0) = 3 [pid 591] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 591] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 591] munmap(0x7f26a8533000, 131072) = 0 [pid 591] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 591] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 591] ioctl(4, LOOP_CLR_FD) = 0 [pid 591] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 591] close(4) = 0 [pid 591] close(3) = 0 [pid 591] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 591] open("./file0", O_RDONLY) = 3 [pid 591] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 591] unlink("./file0") = -1 EISDIR (Is a directory) [pid 591] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 591] exit_group(0) = ? [pid 591] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=591, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 592 ./strace-static-x86_64: Process 592 attached [pid 592] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 592] setpgid(0, 0) = 0 [pid 592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 592] write(3, "1000", 4) = 4 [pid 592] close(3) = 0 [pid 592] memfd_create("syzkaller", 0) = 3 [pid 592] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 592] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 592] munmap(0x7f26a8533000, 131072) = 0 [pid 592] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 592] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 592] ioctl(4, LOOP_CLR_FD) = 0 [pid 592] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 592] close(4) = 0 [pid 592] close(3) = 0 [pid 592] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 592] open("./file0", O_RDONLY) = 3 [pid 592] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 592] unlink("./file0") = -1 EISDIR (Is a directory) [pid 592] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 592] exit_group(0) = ? [pid 592] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=592, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 593 ./strace-static-x86_64: Process 593 attached [pid 593] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 593] setpgid(0, 0) = 0 [pid 593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 593] write(3, "1000", 4) = 4 [pid 593] close(3) = 0 [pid 593] memfd_create("syzkaller", 0) = 3 [pid 593] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 593] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 593] munmap(0x7f26a8533000, 131072) = 0 [pid 593] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 593] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 593] ioctl(4, LOOP_CLR_FD) = 0 [pid 593] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 593] close(4) = 0 [pid 593] close(3) = 0 [pid 593] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 593] open("./file0", O_RDONLY) = 3 [pid 593] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 593] unlink("./file0") = -1 EISDIR (Is a directory) [pid 593] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 593] exit_group(0) = ? [pid 593] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=593, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 594 ./strace-static-x86_64: Process 594 attached [pid 594] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 594] setpgid(0, 0) = 0 [pid 594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 594] write(3, "1000", 4) = 4 [pid 594] close(3) = 0 [pid 594] memfd_create("syzkaller", 0) = 3 [pid 594] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 594] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 594] munmap(0x7f26a8533000, 131072) = 0 [pid 594] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 594] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 594] ioctl(4, LOOP_CLR_FD) = 0 [pid 594] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 594] close(4) = 0 [pid 594] close(3) = 0 [pid 594] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 594] open("./file0", O_RDONLY) = 3 [pid 594] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 594] unlink("./file0") = -1 EISDIR (Is a directory) [pid 594] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 594] exit_group(0) = ? [pid 594] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=594, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 595 ./strace-static-x86_64: Process 595 attached [pid 595] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 595] setpgid(0, 0) = 0 [pid 595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 595] write(3, "1000", 4) = 4 [pid 595] close(3) = 0 [pid 595] memfd_create("syzkaller", 0) = 3 [pid 595] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 595] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 595] munmap(0x7f26a8533000, 131072) = 0 [pid 595] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 595] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 595] ioctl(4, LOOP_CLR_FD) = 0 [pid 595] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 595] close(4) = 0 [pid 595] close(3) = 0 [pid 595] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 595] open("./file0", O_RDONLY) = 3 [pid 595] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 595] unlink("./file0") = -1 EISDIR (Is a directory) [pid 595] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 595] exit_group(0) = ? [pid 595] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=595, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 596 ./strace-static-x86_64: Process 596 attached [pid 596] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 596] setpgid(0, 0) = 0 [pid 596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 596] write(3, "1000", 4) = 4 [pid 596] close(3) = 0 [pid 596] memfd_create("syzkaller", 0) = 3 [pid 596] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 596] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 596] munmap(0x7f26a8533000, 131072) = 0 [pid 596] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 596] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 596] ioctl(4, LOOP_CLR_FD) = 0 [pid 596] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 596] close(4) = 0 [pid 596] close(3) = 0 [pid 596] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 596] open("./file0", O_RDONLY) = 3 [pid 596] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 596] unlink("./file0") = -1 EISDIR (Is a directory) [pid 596] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 596] exit_group(0) = ? [pid 596] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=596, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 597 ./strace-static-x86_64: Process 597 attached [pid 597] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 597] setpgid(0, 0) = 0 [pid 597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 597] write(3, "1000", 4) = 4 [pid 597] close(3) = 0 [pid 597] memfd_create("syzkaller", 0) = 3 [pid 597] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 597] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 597] munmap(0x7f26a8533000, 131072) = 0 [pid 597] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 597] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 597] ioctl(4, LOOP_CLR_FD) = 0 [pid 597] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 597] close(4) = 0 [pid 597] close(3) = 0 [pid 597] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 597] open("./file0", O_RDONLY) = 3 [pid 597] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 597] unlink("./file0") = -1 EISDIR (Is a directory) [pid 597] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 597] exit_group(0) = ? [pid 597] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=597, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 598 ./strace-static-x86_64: Process 598 attached [pid 598] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 598] setpgid(0, 0) = 0 [pid 598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 598] write(3, "1000", 4) = 4 [pid 598] close(3) = 0 [pid 598] memfd_create("syzkaller", 0) = 3 [pid 598] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 598] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 598] munmap(0x7f26a8533000, 131072) = 0 [pid 598] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 598] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 598] ioctl(4, LOOP_CLR_FD) = 0 [pid 598] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 598] close(4) = 0 [pid 598] close(3) = 0 [pid 598] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 598] open("./file0", O_RDONLY) = 3 [pid 598] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 598] unlink("./file0") = -1 EISDIR (Is a directory) [pid 598] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 598] exit_group(0) = ? [pid 598] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=598, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 599 ./strace-static-x86_64: Process 599 attached [pid 599] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 599] setpgid(0, 0) = 0 [pid 599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 599] write(3, "1000", 4) = 4 [pid 599] close(3) = 0 [pid 599] memfd_create("syzkaller", 0) = 3 [pid 599] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 599] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 599] munmap(0x7f26a8533000, 131072) = 0 [pid 599] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 599] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 599] ioctl(4, LOOP_CLR_FD) = 0 [pid 599] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 599] close(4) = 0 [pid 599] close(3) = 0 [pid 599] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 599] open("./file0", O_RDONLY) = 3 [pid 599] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 599] unlink("./file0") = -1 EISDIR (Is a directory) [pid 599] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 599] exit_group(0) = ? [pid 599] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=599, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 600 ./strace-static-x86_64: Process 600 attached [pid 600] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 600] setpgid(0, 0) = 0 [pid 600] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 600] write(3, "1000", 4) = 4 [pid 600] close(3) = 0 [pid 600] memfd_create("syzkaller", 0) = 3 [pid 600] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 600] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 600] munmap(0x7f26a8533000, 131072) = 0 [pid 600] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 600] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 600] ioctl(4, LOOP_CLR_FD) = 0 [pid 600] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 600] close(4) = 0 [pid 600] close(3) = 0 [pid 600] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 600] open("./file0", O_RDONLY) = 3 [pid 600] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 600] unlink("./file0") = -1 EISDIR (Is a directory) [pid 600] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 600] exit_group(0) = ? [pid 600] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=600, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 601 ./strace-static-x86_64: Process 601 attached [pid 601] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 601] setpgid(0, 0) = 0 [pid 601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 601] write(3, "1000", 4) = 4 [pid 601] close(3) = 0 [pid 601] memfd_create("syzkaller", 0) = 3 [pid 601] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 601] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 601] munmap(0x7f26a8533000, 131072) = 0 [pid 601] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 601] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 601] ioctl(4, LOOP_CLR_FD) = 0 [pid 601] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 601] close(4) = 0 [pid 601] close(3) = 0 [pid 601] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 601] open("./file0", O_RDONLY) = 3 [pid 601] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 601] unlink("./file0") = -1 EISDIR (Is a directory) [pid 601] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 601] exit_group(0) = ? [pid 601] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=601, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 602 ./strace-static-x86_64: Process 602 attached [pid 602] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 602] setpgid(0, 0) = 0 [pid 602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 602] write(3, "1000", 4) = 4 [pid 602] close(3) = 0 [pid 602] memfd_create("syzkaller", 0) = 3 [pid 602] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 602] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 602] munmap(0x7f26a8533000, 131072) = 0 [pid 602] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 602] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 602] ioctl(4, LOOP_CLR_FD) = 0 [pid 602] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 602] close(4) = 0 [pid 602] close(3) = 0 [pid 602] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 602] open("./file0", O_RDONLY) = 3 [pid 602] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 602] unlink("./file0") = -1 EISDIR (Is a directory) [pid 602] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 602] exit_group(0) = ? [pid 602] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=602, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 603 ./strace-static-x86_64: Process 603 attached [pid 603] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 603] setpgid(0, 0) = 0 [pid 603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 603] write(3, "1000", 4) = 4 [pid 603] close(3) = 0 [pid 603] memfd_create("syzkaller", 0) = 3 [pid 603] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 603] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 603] munmap(0x7f26a8533000, 131072) = 0 [pid 603] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 603] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 603] ioctl(4, LOOP_CLR_FD) = 0 [pid 603] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 603] close(4) = 0 [pid 603] close(3) = 0 [pid 603] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 603] open("./file0", O_RDONLY) = 3 [pid 603] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 603] unlink("./file0") = -1 EISDIR (Is a directory) [pid 603] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 603] exit_group(0) = ? [pid 603] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=603, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 604 ./strace-static-x86_64: Process 604 attached [pid 604] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 604] setpgid(0, 0) = 0 [pid 604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 604] write(3, "1000", 4) = 4 [pid 604] close(3) = 0 [pid 604] memfd_create("syzkaller", 0) = 3 [pid 604] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 604] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 604] munmap(0x7f26a8533000, 131072) = 0 [pid 604] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 604] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 604] ioctl(4, LOOP_CLR_FD) = 0 [pid 604] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 604] close(4) = 0 [pid 604] close(3) = 0 [pid 604] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 604] open("./file0", O_RDONLY) = 3 [pid 604] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 604] unlink("./file0") = -1 EISDIR (Is a directory) [pid 604] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 604] exit_group(0) = ? [pid 604] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=604, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 605 ./strace-static-x86_64: Process 605 attached [pid 605] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 605] setpgid(0, 0) = 0 [pid 605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 605] write(3, "1000", 4) = 4 [pid 605] close(3) = 0 [pid 605] memfd_create("syzkaller", 0) = 3 [pid 605] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 605] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 605] munmap(0x7f26a8533000, 131072) = 0 [pid 605] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 605] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 605] ioctl(4, LOOP_CLR_FD) = 0 [pid 605] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 605] close(4) = 0 [pid 605] close(3) = 0 [pid 605] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 605] open("./file0", O_RDONLY) = 3 [pid 605] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 605] unlink("./file0") = -1 EISDIR (Is a directory) [pid 605] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 605] exit_group(0) = ? [pid 605] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=605, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 606 ./strace-static-x86_64: Process 606 attached [pid 606] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 606] setpgid(0, 0) = 0 [pid 606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 606] write(3, "1000", 4) = 4 [pid 606] close(3) = 0 [pid 606] memfd_create("syzkaller", 0) = 3 [pid 606] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 606] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 606] munmap(0x7f26a8533000, 131072) = 0 [pid 606] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 606] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 606] ioctl(4, LOOP_CLR_FD) = 0 [pid 606] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 606] close(4) = 0 [pid 606] close(3) = 0 [pid 606] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 606] open("./file0", O_RDONLY) = 3 [pid 606] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 606] unlink("./file0") = -1 EISDIR (Is a directory) [pid 606] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 606] exit_group(0) = ? [pid 606] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=606, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 607 ./strace-static-x86_64: Process 607 attached [pid 607] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 607] setpgid(0, 0) = 0 [pid 607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 607] write(3, "1000", 4) = 4 [pid 607] close(3) = 0 [pid 607] memfd_create("syzkaller", 0) = 3 [pid 607] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 607] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 607] munmap(0x7f26a8533000, 131072) = 0 [pid 607] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 607] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 607] ioctl(4, LOOP_CLR_FD) = 0 [pid 607] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 607] close(4) = 0 [pid 607] close(3) = 0 [pid 607] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 607] open("./file0", O_RDONLY) = 3 [pid 607] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 607] unlink("./file0") = -1 EISDIR (Is a directory) [pid 607] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 607] exit_group(0) = ? [pid 607] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=607, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 608 ./strace-static-x86_64: Process 608 attached [pid 608] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 608] setpgid(0, 0) = 0 [pid 608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 608] write(3, "1000", 4) = 4 [pid 608] close(3) = 0 [pid 608] memfd_create("syzkaller", 0) = 3 [pid 608] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 608] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 608] munmap(0x7f26a8533000, 131072) = 0 [pid 608] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 608] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 608] ioctl(4, LOOP_CLR_FD) = 0 [pid 608] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 608] close(4) = 0 [pid 608] close(3) = 0 [pid 608] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 608] open("./file0", O_RDONLY) = 3 [pid 608] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 608] unlink("./file0") = -1 EISDIR (Is a directory) [pid 608] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 608] exit_group(0) = ? [pid 608] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=608, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 609 ./strace-static-x86_64: Process 609 attached [pid 609] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 609] setpgid(0, 0) = 0 [pid 609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 609] write(3, "1000", 4) = 4 [pid 609] close(3) = 0 [pid 609] memfd_create("syzkaller", 0) = 3 [pid 609] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 609] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 609] munmap(0x7f26a8533000, 131072) = 0 [pid 609] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 609] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 609] ioctl(4, LOOP_CLR_FD) = 0 [pid 609] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 609] close(4) = 0 [pid 609] close(3) = 0 [pid 609] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 609] open("./file0", O_RDONLY) = 3 [pid 609] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 609] unlink("./file0") = -1 EISDIR (Is a directory) [pid 609] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 609] exit_group(0) = ? [pid 609] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=609, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 610 ./strace-static-x86_64: Process 610 attached [pid 610] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 610] setpgid(0, 0) = 0 [pid 610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 610] write(3, "1000", 4) = 4 [pid 610] close(3) = 0 [pid 610] memfd_create("syzkaller", 0) = 3 [pid 610] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 610] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 610] munmap(0x7f26a8533000, 131072) = 0 [pid 610] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 610] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 610] ioctl(4, LOOP_CLR_FD) = 0 [pid 610] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 610] close(4) = 0 [pid 610] close(3) = 0 [pid 610] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 610] open("./file0", O_RDONLY) = 3 [pid 610] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 610] unlink("./file0") = -1 EISDIR (Is a directory) [pid 610] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 610] exit_group(0) = ? [pid 610] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=610, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 611 ./strace-static-x86_64: Process 611 attached [pid 611] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 611] setpgid(0, 0) = 0 [pid 611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 611] write(3, "1000", 4) = 4 [pid 611] close(3) = 0 [pid 611] memfd_create("syzkaller", 0) = 3 [pid 611] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 611] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 611] munmap(0x7f26a8533000, 131072) = 0 [pid 611] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 611] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 611] ioctl(4, LOOP_CLR_FD) = 0 [pid 611] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 611] close(4) = 0 [pid 611] close(3) = 0 [pid 611] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 611] open("./file0", O_RDONLY) = 3 [pid 611] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 611] unlink("./file0") = -1 EISDIR (Is a directory) [pid 611] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 611] exit_group(0) = ? [pid 611] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=611, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 613 ./strace-static-x86_64: Process 613 attached [pid 613] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 613] setpgid(0, 0) = 0 [pid 613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 613] write(3, "1000", 4) = 4 [pid 613] close(3) = 0 [pid 613] memfd_create("syzkaller", 0) = 3 [pid 613] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 613] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 613] munmap(0x7f26a8533000, 131072) = 0 [pid 613] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 613] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 613] ioctl(4, LOOP_CLR_FD) = 0 [pid 613] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 613] close(4) = 0 [pid 613] close(3) = 0 [pid 613] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 613] open("./file0", O_RDONLY) = 3 [pid 613] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 613] unlink("./file0") = -1 EISDIR (Is a directory) [pid 613] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 613] exit_group(0) = ? [pid 613] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=613, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 614 ./strace-static-x86_64: Process 614 attached [pid 614] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 614] setpgid(0, 0) = 0 [pid 614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 614] write(3, "1000", 4) = 4 [pid 614] close(3) = 0 [pid 614] memfd_create("syzkaller", 0) = 3 [pid 614] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 614] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 614] munmap(0x7f26a8533000, 131072) = 0 [pid 614] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 614] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 614] ioctl(4, LOOP_CLR_FD) = 0 [pid 614] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 614] close(4) = 0 [pid 614] close(3) = 0 [pid 614] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 614] open("./file0", O_RDONLY) = 3 [pid 614] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 614] unlink("./file0") = -1 EISDIR (Is a directory) [pid 614] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 614] exit_group(0) = ? [pid 614] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=614, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 615 ./strace-static-x86_64: Process 615 attached [pid 615] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 615] setpgid(0, 0) = 0 [pid 615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 615] write(3, "1000", 4) = 4 [pid 615] close(3) = 0 [pid 615] memfd_create("syzkaller", 0) = 3 [pid 615] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 615] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 615] munmap(0x7f26a8533000, 131072) = 0 [pid 615] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 615] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 615] ioctl(4, LOOP_CLR_FD) = 0 [pid 615] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 615] close(4) = 0 [pid 615] close(3) = 0 [pid 615] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 615] open("./file0", O_RDONLY) = 3 [pid 615] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 615] unlink("./file0") = -1 EISDIR (Is a directory) [pid 615] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 615] exit_group(0) = ? [pid 615] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=615, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 616 ./strace-static-x86_64: Process 616 attached [pid 616] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 616] setpgid(0, 0) = 0 [pid 616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 616] write(3, "1000", 4) = 4 [pid 616] close(3) = 0 [pid 616] memfd_create("syzkaller", 0) = 3 [pid 616] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 616] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 616] munmap(0x7f26a8533000, 131072) = 0 [pid 616] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 616] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 616] ioctl(4, LOOP_CLR_FD) = 0 [pid 616] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 616] close(4) = 0 [pid 616] close(3) = 0 [pid 616] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 616] open("./file0", O_RDONLY) = 3 [pid 616] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 616] unlink("./file0") = -1 EISDIR (Is a directory) [pid 616] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 616] exit_group(0) = ? [pid 616] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=616, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 617 ./strace-static-x86_64: Process 617 attached [pid 617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 617] setpgid(0, 0) = 0 [pid 617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 617] write(3, "1000", 4) = 4 [pid 617] close(3) = 0 [pid 617] memfd_create("syzkaller", 0) = 3 [pid 617] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 617] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 617] munmap(0x7f26a8533000, 131072) = 0 [pid 617] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 617] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 617] ioctl(4, LOOP_CLR_FD) = 0 [pid 617] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 617] close(4) = 0 [pid 617] close(3) = 0 [pid 617] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 617] open("./file0", O_RDONLY) = 3 [pid 617] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 617] unlink("./file0") = -1 EISDIR (Is a directory) [pid 617] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 617] exit_group(0) = ? [pid 617] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=617, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 618 attached , child_tidptr=0x555556e0f5d0) = 618 [pid 618] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 618] setpgid(0, 0) = 0 [pid 618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 618] write(3, "1000", 4) = 4 [pid 618] close(3) = 0 [pid 618] memfd_create("syzkaller", 0) = 3 [pid 618] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 618] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 618] munmap(0x7f26a8533000, 131072) = 0 [pid 618] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 618] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 618] ioctl(4, LOOP_CLR_FD) = 0 [pid 618] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 618] close(4) = 0 [pid 618] close(3) = 0 [pid 618] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 618] open("./file0", O_RDONLY) = 3 [pid 618] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 618] unlink("./file0") = -1 EISDIR (Is a directory) [pid 618] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 618] exit_group(0) = ? [pid 618] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=618, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 619 ./strace-static-x86_64: Process 619 attached [pid 619] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 619] setpgid(0, 0) = 0 [pid 619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 619] write(3, "1000", 4) = 4 [pid 619] close(3) = 0 [pid 619] memfd_create("syzkaller", 0) = 3 [pid 619] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 619] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 619] munmap(0x7f26a8533000, 131072) = 0 [pid 619] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 619] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 619] ioctl(4, LOOP_CLR_FD) = 0 [pid 619] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 619] close(4) = 0 [pid 619] close(3) = 0 [pid 619] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 619] open("./file0", O_RDONLY) = 3 [pid 619] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 619] unlink("./file0") = -1 EISDIR (Is a directory) [pid 619] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 619] exit_group(0) = ? [pid 619] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=619, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 620 ./strace-static-x86_64: Process 620 attached [pid 620] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 620] setpgid(0, 0) = 0 [pid 620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 620] write(3, "1000", 4) = 4 [pid 620] close(3) = 0 [pid 620] memfd_create("syzkaller", 0) = 3 [pid 620] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 620] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 620] munmap(0x7f26a8533000, 131072) = 0 [pid 620] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 620] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 620] ioctl(4, LOOP_CLR_FD) = 0 [pid 620] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 620] close(4) = 0 [pid 620] close(3) = 0 [pid 620] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 620] open("./file0", O_RDONLY) = 3 [pid 620] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 620] unlink("./file0") = -1 EISDIR (Is a directory) [pid 620] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 620] exit_group(0) = ? [pid 620] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=620, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 621 attached , child_tidptr=0x555556e0f5d0) = 621 [pid 621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 621] setpgid(0, 0) = 0 [pid 621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 621] write(3, "1000", 4) = 4 [pid 621] close(3) = 0 [pid 621] memfd_create("syzkaller", 0) = 3 [pid 621] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 621] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 621] munmap(0x7f26a8533000, 131072) = 0 [pid 621] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 621] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 621] ioctl(4, LOOP_CLR_FD) = 0 [pid 621] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 621] close(4) = 0 [pid 621] close(3) = 0 [pid 621] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 621] open("./file0", O_RDONLY) = 3 [pid 621] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 621] unlink("./file0") = -1 EISDIR (Is a directory) [pid 621] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 621] exit_group(0) = ? [pid 621] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=621, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 622 ./strace-static-x86_64: Process 622 attached [pid 622] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 622] setpgid(0, 0) = 0 [pid 622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 622] write(3, "1000", 4) = 4 [pid 622] close(3) = 0 [pid 622] memfd_create("syzkaller", 0) = 3 [pid 622] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 622] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 622] munmap(0x7f26a8533000, 131072) = 0 [pid 622] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 622] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 622] ioctl(4, LOOP_CLR_FD) = 0 [pid 622] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 622] close(4) = 0 [pid 622] close(3) = 0 [pid 622] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 622] open("./file0", O_RDONLY) = 3 [pid 622] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 622] unlink("./file0") = -1 EISDIR (Is a directory) [pid 622] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 622] exit_group(0) = ? [pid 622] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=622, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 623 ./strace-static-x86_64: Process 623 attached [pid 623] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 623] setpgid(0, 0) = 0 [pid 623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 623] write(3, "1000", 4) = 4 [pid 623] close(3) = 0 [pid 623] memfd_create("syzkaller", 0) = 3 [pid 623] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 623] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 623] munmap(0x7f26a8533000, 131072) = 0 [pid 623] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 623] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 623] ioctl(4, LOOP_CLR_FD) = 0 [pid 623] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 623] close(4) = 0 [pid 623] close(3) = 0 [pid 623] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 623] open("./file0", O_RDONLY) = 3 [pid 623] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 623] unlink("./file0") = -1 EISDIR (Is a directory) [pid 623] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 623] exit_group(0) = ? [pid 623] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=623, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 624 ./strace-static-x86_64: Process 624 attached [pid 624] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 624] setpgid(0, 0) = 0 [pid 624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 624] write(3, "1000", 4) = 4 [pid 624] close(3) = 0 [pid 624] memfd_create("syzkaller", 0) = 3 [pid 624] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 624] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 624] munmap(0x7f26a8533000, 131072) = 0 [pid 624] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 624] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 624] ioctl(4, LOOP_CLR_FD) = 0 [pid 624] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 624] close(4) = 0 [pid 624] close(3) = 0 [pid 624] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 624] open("./file0", O_RDONLY) = 3 [pid 624] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 624] unlink("./file0") = -1 EISDIR (Is a directory) [pid 624] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 624] exit_group(0) = ? [pid 624] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=624, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 625 ./strace-static-x86_64: Process 625 attached [pid 625] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 625] setpgid(0, 0) = 0 [pid 625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 625] write(3, "1000", 4) = 4 [pid 625] close(3) = 0 [pid 625] memfd_create("syzkaller", 0) = 3 [pid 625] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 625] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 625] munmap(0x7f26a8533000, 131072) = 0 [pid 625] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 625] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 625] ioctl(4, LOOP_CLR_FD) = 0 [pid 625] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 625] close(4) = 0 [pid 625] close(3) = 0 [pid 625] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 625] open("./file0", O_RDONLY) = 3 [pid 625] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 625] unlink("./file0") = -1 EISDIR (Is a directory) [pid 625] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 625] exit_group(0) = ? [pid 625] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=625, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 626 attached , child_tidptr=0x555556e0f5d0) = 626 [pid 626] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 626] setpgid(0, 0) = 0 [pid 626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 626] write(3, "1000", 4) = 4 [pid 626] close(3) = 0 [pid 626] memfd_create("syzkaller", 0) = 3 [pid 626] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 626] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 626] munmap(0x7f26a8533000, 131072) = 0 [pid 626] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 626] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 626] ioctl(4, LOOP_CLR_FD) = 0 [pid 626] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 626] close(4) = 0 [pid 626] close(3) = 0 [pid 626] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 626] open("./file0", O_RDONLY) = 3 [pid 626] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 626] unlink("./file0") = -1 EISDIR (Is a directory) [pid 626] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 626] exit_group(0) = ? [pid 626] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=626, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 627 ./strace-static-x86_64: Process 627 attached [pid 627] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 627] setpgid(0, 0) = 0 [pid 627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 627] write(3, "1000", 4) = 4 [pid 627] close(3) = 0 [pid 627] memfd_create("syzkaller", 0) = 3 [pid 627] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 627] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 627] munmap(0x7f26a8533000, 131072) = 0 [pid 627] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 627] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 627] ioctl(4, LOOP_CLR_FD) = 0 [pid 627] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 627] close(4) = 0 [pid 627] close(3) = 0 [pid 627] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 627] open("./file0", O_RDONLY) = 3 [pid 627] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 627] unlink("./file0") = -1 EISDIR (Is a directory) [pid 627] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 627] exit_group(0) = ? [pid 627] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=627, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 628 ./strace-static-x86_64: Process 628 attached [pid 628] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 628] setpgid(0, 0) = 0 [pid 628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 628] write(3, "1000", 4) = 4 [pid 628] close(3) = 0 [pid 628] memfd_create("syzkaller", 0) = 3 [pid 628] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 628] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 628] munmap(0x7f26a8533000, 131072) = 0 [pid 628] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 628] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 628] ioctl(4, LOOP_CLR_FD) = 0 [pid 628] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 628] close(4) = 0 [pid 628] close(3) = 0 [pid 628] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 628] open("./file0", O_RDONLY) = 3 [pid 628] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 628] unlink("./file0") = -1 EISDIR (Is a directory) [pid 628] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 628] exit_group(0) = ? [pid 628] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=628, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 629 ./strace-static-x86_64: Process 629 attached [pid 629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 629] setpgid(0, 0) = 0 [pid 629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 629] write(3, "1000", 4) = 4 [pid 629] close(3) = 0 [pid 629] memfd_create("syzkaller", 0) = 3 [pid 629] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 629] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 629] munmap(0x7f26a8533000, 131072) = 0 [pid 629] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 629] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 629] ioctl(4, LOOP_CLR_FD) = 0 [pid 629] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 629] close(4) = 0 [pid 629] close(3) = 0 [pid 629] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 629] open("./file0", O_RDONLY) = 3 [pid 629] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 629] unlink("./file0") = -1 EISDIR (Is a directory) [pid 629] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 629] exit_group(0) = ? [pid 629] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=629, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 630 ./strace-static-x86_64: Process 630 attached [pid 630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 630] setpgid(0, 0) = 0 [pid 630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 630] write(3, "1000", 4) = 4 [pid 630] close(3) = 0 [pid 630] memfd_create("syzkaller", 0) = 3 [pid 630] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 630] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 630] munmap(0x7f26a8533000, 131072) = 0 [pid 630] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 630] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 630] ioctl(4, LOOP_CLR_FD) = 0 [pid 630] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 630] close(4) = 0 [pid 630] close(3) = 0 [pid 630] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 630] open("./file0", O_RDONLY) = 3 [pid 630] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 630] unlink("./file0") = -1 EISDIR (Is a directory) [pid 630] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 630] exit_group(0) = ? [pid 630] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=630, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 631 attached , child_tidptr=0x555556e0f5d0) = 631 [pid 631] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 631] setpgid(0, 0) = 0 [pid 631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 631] write(3, "1000", 4) = 4 [pid 631] close(3) = 0 [pid 631] memfd_create("syzkaller", 0) = 3 [pid 631] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 631] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 631] munmap(0x7f26a8533000, 131072) = 0 [pid 631] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 631] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 631] ioctl(4, LOOP_CLR_FD) = 0 [pid 631] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 631] close(4) = 0 [pid 631] close(3) = 0 [pid 631] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 631] open("./file0", O_RDONLY) = 3 [pid 631] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 631] unlink("./file0") = -1 EISDIR (Is a directory) [pid 631] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 631] exit_group(0) = ? [pid 631] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=631, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 632 ./strace-static-x86_64: Process 632 attached [pid 632] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 632] setpgid(0, 0) = 0 [pid 632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 632] write(3, "1000", 4) = 4 [pid 632] close(3) = 0 [pid 632] memfd_create("syzkaller", 0) = 3 [pid 632] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 632] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 632] munmap(0x7f26a8533000, 131072) = 0 [pid 632] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 632] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 632] ioctl(4, LOOP_CLR_FD) = 0 [pid 632] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 632] close(4) = 0 [pid 632] close(3) = 0 [pid 632] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 632] open("./file0", O_RDONLY) = 3 [pid 632] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 632] unlink("./file0") = -1 EISDIR (Is a directory) [pid 632] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 632] exit_group(0) = ? [pid 632] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=632, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 633 attached , child_tidptr=0x555556e0f5d0) = 633 [pid 633] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 633] setpgid(0, 0) = 0 [pid 633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 633] write(3, "1000", 4) = 4 [pid 633] close(3) = 0 [pid 633] memfd_create("syzkaller", 0) = 3 [pid 633] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 633] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 633] munmap(0x7f26a8533000, 131072) = 0 [pid 633] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 633] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 633] ioctl(4, LOOP_CLR_FD) = 0 [pid 633] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 633] close(4) = 0 [pid 633] close(3) = 0 [pid 633] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 633] open("./file0", O_RDONLY) = 3 [pid 633] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 633] unlink("./file0") = -1 EISDIR (Is a directory) [pid 633] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 633] exit_group(0) = ? [pid 633] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=633, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 634 ./strace-static-x86_64: Process 634 attached [pid 634] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 634] setpgid(0, 0) = 0 [pid 634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 634] write(3, "1000", 4) = 4 [pid 634] close(3) = 0 [pid 634] memfd_create("syzkaller", 0) = 3 [pid 634] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 634] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 634] munmap(0x7f26a8533000, 131072) = 0 [pid 634] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 634] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 634] ioctl(4, LOOP_CLR_FD) = 0 [pid 634] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 634] close(4) = 0 [pid 634] close(3) = 0 [pid 634] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 634] open("./file0", O_RDONLY) = 3 [pid 634] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 634] unlink("./file0") = -1 EISDIR (Is a directory) [pid 634] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 634] exit_group(0) = ? [pid 634] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=634, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 635 ./strace-static-x86_64: Process 635 attached [pid 635] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 635] setpgid(0, 0) = 0 [pid 635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 635] write(3, "1000", 4) = 4 [pid 635] close(3) = 0 [pid 635] memfd_create("syzkaller", 0) = 3 [pid 635] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 635] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 635] munmap(0x7f26a8533000, 131072) = 0 [pid 635] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 635] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 635] ioctl(4, LOOP_CLR_FD) = 0 [pid 635] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 635] close(4) = 0 [pid 635] close(3) = 0 [pid 635] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 635] open("./file0", O_RDONLY) = 3 [pid 635] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 635] unlink("./file0") = -1 EISDIR (Is a directory) [pid 635] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 635] exit_group(0) = ? [pid 635] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=635, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 636 ./strace-static-x86_64: Process 636 attached [pid 636] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 636] setpgid(0, 0) = 0 [pid 636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 636] write(3, "1000", 4) = 4 [pid 636] close(3) = 0 [pid 636] memfd_create("syzkaller", 0) = 3 [pid 636] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 636] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 636] munmap(0x7f26a8533000, 131072) = 0 [pid 636] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 636] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 636] ioctl(4, LOOP_CLR_FD) = 0 [pid 636] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 636] close(4) = 0 [pid 636] close(3) = 0 [pid 636] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 636] open("./file0", O_RDONLY) = 3 [pid 636] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 636] unlink("./file0") = -1 EISDIR (Is a directory) [pid 636] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 636] exit_group(0) = ? [pid 636] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=636, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 637 ./strace-static-x86_64: Process 637 attached [pid 637] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 637] setpgid(0, 0) = 0 [pid 637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 637] write(3, "1000", 4) = 4 [pid 637] close(3) = 0 [pid 637] memfd_create("syzkaller", 0) = 3 [pid 637] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 637] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 637] munmap(0x7f26a8533000, 131072) = 0 [pid 637] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 637] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 637] ioctl(4, LOOP_CLR_FD) = 0 [pid 637] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 637] close(4) = 0 [pid 637] close(3) = 0 [pid 637] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 637] open("./file0", O_RDONLY) = 3 [pid 637] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 637] unlink("./file0") = -1 EISDIR (Is a directory) [pid 637] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 637] exit_group(0) = ? [pid 637] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=637, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 638 ./strace-static-x86_64: Process 638 attached [pid 638] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 638] setpgid(0, 0) = 0 [pid 638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 638] write(3, "1000", 4) = 4 [pid 638] close(3) = 0 [pid 638] memfd_create("syzkaller", 0) = 3 [pid 638] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 638] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 638] munmap(0x7f26a8533000, 131072) = 0 [pid 638] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 638] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 638] ioctl(4, LOOP_CLR_FD) = 0 [pid 638] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 638] close(4) = 0 [pid 638] close(3) = 0 [pid 638] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 638] open("./file0", O_RDONLY) = 3 [pid 638] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 638] unlink("./file0") = -1 EISDIR (Is a directory) [pid 638] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 638] exit_group(0) = ? [pid 638] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=638, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 639 ./strace-static-x86_64: Process 639 attached [pid 639] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 639] setpgid(0, 0) = 0 [pid 639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 639] write(3, "1000", 4) = 4 [pid 639] close(3) = 0 [pid 639] memfd_create("syzkaller", 0) = 3 [pid 639] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 639] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 639] munmap(0x7f26a8533000, 131072) = 0 [pid 639] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 639] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 639] ioctl(4, LOOP_CLR_FD) = 0 [pid 639] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 639] close(4) = 0 [pid 639] close(3) = 0 [pid 639] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 639] open("./file0", O_RDONLY) = 3 [pid 639] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 639] unlink("./file0") = -1 EISDIR (Is a directory) [pid 639] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 639] exit_group(0) = ? [pid 639] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=639, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 640 ./strace-static-x86_64: Process 640 attached [pid 640] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 640] setpgid(0, 0) = 0 [pid 640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 640] write(3, "1000", 4) = 4 [pid 640] close(3) = 0 [pid 640] memfd_create("syzkaller", 0) = 3 [pid 640] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 640] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 640] munmap(0x7f26a8533000, 131072) = 0 [pid 640] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 640] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 640] ioctl(4, LOOP_CLR_FD) = 0 [pid 640] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 640] close(4) = 0 [pid 640] close(3) = 0 [pid 640] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 640] open("./file0", O_RDONLY) = 3 [pid 640] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 640] unlink("./file0") = -1 EISDIR (Is a directory) [pid 640] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 640] exit_group(0) = ? [pid 640] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=640, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 641 attached , child_tidptr=0x555556e0f5d0) = 641 [pid 641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 641] setpgid(0, 0) = 0 [pid 641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 641] write(3, "1000", 4) = 4 [pid 641] close(3) = 0 [pid 641] memfd_create("syzkaller", 0) = 3 [pid 641] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 641] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 641] munmap(0x7f26a8533000, 131072) = 0 [pid 641] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 641] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 641] ioctl(4, LOOP_CLR_FD) = 0 [pid 641] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 641] close(4) = 0 [pid 641] close(3) = 0 [pid 641] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 641] open("./file0", O_RDONLY) = 3 [pid 641] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 641] unlink("./file0") = -1 EISDIR (Is a directory) [pid 641] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 641] exit_group(0) = ? [pid 641] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=641, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 642 ./strace-static-x86_64: Process 642 attached [pid 642] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 642] setpgid(0, 0) = 0 [pid 642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 642] write(3, "1000", 4) = 4 [pid 642] close(3) = 0 [pid 642] memfd_create("syzkaller", 0) = 3 [pid 642] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 642] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 642] munmap(0x7f26a8533000, 131072) = 0 [pid 642] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 642] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 642] ioctl(4, LOOP_CLR_FD) = 0 [pid 642] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 642] close(4) = 0 [pid 642] close(3) = 0 [pid 642] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 642] open("./file0", O_RDONLY) = 3 [pid 642] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 642] unlink("./file0") = -1 EISDIR (Is a directory) [pid 642] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 642] exit_group(0) = ? [pid 642] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=642, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 643 ./strace-static-x86_64: Process 643 attached [pid 643] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 643] setpgid(0, 0) = 0 [pid 643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 643] write(3, "1000", 4) = 4 [pid 643] close(3) = 0 [pid 643] memfd_create("syzkaller", 0) = 3 [pid 643] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 643] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 643] munmap(0x7f26a8533000, 131072) = 0 [pid 643] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 643] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 643] ioctl(4, LOOP_CLR_FD) = 0 [pid 643] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 643] close(4) = 0 [pid 643] close(3) = 0 [pid 643] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 643] open("./file0", O_RDONLY) = 3 [pid 643] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 643] unlink("./file0") = -1 EISDIR (Is a directory) [pid 643] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 643] exit_group(0) = ? [pid 643] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=643, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 644 ./strace-static-x86_64: Process 644 attached [pid 644] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 644] setpgid(0, 0) = 0 [pid 644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 644] write(3, "1000", 4) = 4 [pid 644] close(3) = 0 [pid 644] memfd_create("syzkaller", 0) = 3 [pid 644] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 644] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 644] munmap(0x7f26a8533000, 131072) = 0 [pid 644] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 644] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 644] ioctl(4, LOOP_CLR_FD) = 0 [pid 644] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 644] close(4) = 0 [pid 644] close(3) = 0 [pid 644] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 644] open("./file0", O_RDONLY) = 3 [pid 644] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 644] unlink("./file0") = -1 EISDIR (Is a directory) [pid 644] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 644] exit_group(0) = ? [pid 644] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=644, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 645 ./strace-static-x86_64: Process 645 attached [pid 645] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 645] setpgid(0, 0) = 0 [pid 645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 645] write(3, "1000", 4) = 4 [pid 645] close(3) = 0 [pid 645] memfd_create("syzkaller", 0) = 3 [pid 645] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 645] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 645] munmap(0x7f26a8533000, 131072) = 0 [pid 645] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 645] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 645] ioctl(4, LOOP_CLR_FD) = 0 [pid 645] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 645] close(4) = 0 [pid 645] close(3) = 0 [pid 645] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 645] open("./file0", O_RDONLY) = 3 [pid 645] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 645] unlink("./file0") = -1 EISDIR (Is a directory) [pid 645] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 645] exit_group(0) = ? [pid 645] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=645, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 646 ./strace-static-x86_64: Process 646 attached [pid 646] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 646] setpgid(0, 0) = 0 [pid 646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 646] write(3, "1000", 4) = 4 [pid 646] close(3) = 0 [pid 646] memfd_create("syzkaller", 0) = 3 [pid 646] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 646] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 646] munmap(0x7f26a8533000, 131072) = 0 [pid 646] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 646] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 646] ioctl(4, LOOP_CLR_FD) = 0 [pid 646] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 646] close(4) = 0 [pid 646] close(3) = 0 [pid 646] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 646] open("./file0", O_RDONLY) = 3 [pid 646] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 646] unlink("./file0") = -1 EISDIR (Is a directory) [pid 646] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 646] exit_group(0) = ? [pid 646] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=646, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 647 ./strace-static-x86_64: Process 647 attached [pid 647] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 647] setpgid(0, 0) = 0 [pid 647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 647] write(3, "1000", 4) = 4 [pid 647] close(3) = 0 [pid 647] memfd_create("syzkaller", 0) = 3 [pid 647] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 647] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 647] munmap(0x7f26a8533000, 131072) = 0 [pid 647] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 647] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 647] ioctl(4, LOOP_CLR_FD) = 0 [pid 647] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 647] close(4) = 0 [pid 647] close(3) = 0 [pid 647] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 647] open("./file0", O_RDONLY) = 3 [pid 647] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 647] unlink("./file0") = -1 EISDIR (Is a directory) [pid 647] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 647] exit_group(0) = ? [pid 647] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=647, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 648 ./strace-static-x86_64: Process 648 attached [pid 648] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 648] setpgid(0, 0) = 0 [pid 648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 648] write(3, "1000", 4) = 4 [pid 648] close(3) = 0 [pid 648] memfd_create("syzkaller", 0) = 3 [pid 648] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 648] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 648] munmap(0x7f26a8533000, 131072) = 0 [pid 648] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 648] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 648] ioctl(4, LOOP_CLR_FD) = 0 [pid 648] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 648] close(4) = 0 [pid 648] close(3) = 0 [pid 648] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 648] open("./file0", O_RDONLY) = 3 [pid 648] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 648] unlink("./file0") = -1 EISDIR (Is a directory) [pid 648] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 648] exit_group(0) = ? [pid 648] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=648, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 649 ./strace-static-x86_64: Process 649 attached [pid 649] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 649] setpgid(0, 0) = 0 [pid 649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 649] write(3, "1000", 4) = 4 [pid 649] close(3) = 0 [pid 649] memfd_create("syzkaller", 0) = 3 [pid 649] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 649] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 649] munmap(0x7f26a8533000, 131072) = 0 [pid 649] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 649] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 649] ioctl(4, LOOP_CLR_FD) = 0 [pid 649] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 649] close(4) = 0 [pid 649] close(3) = 0 [pid 649] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 649] open("./file0", O_RDONLY) = 3 [pid 649] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 649] unlink("./file0") = -1 EISDIR (Is a directory) [pid 649] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 649] exit_group(0) = ? [pid 649] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=649, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 650 ./strace-static-x86_64: Process 650 attached [pid 650] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 650] setpgid(0, 0) = 0 [pid 650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 650] write(3, "1000", 4) = 4 [pid 650] close(3) = 0 [pid 650] memfd_create("syzkaller", 0) = 3 [pid 650] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 650] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 650] munmap(0x7f26a8533000, 131072) = 0 [pid 650] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 650] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 650] ioctl(4, LOOP_CLR_FD) = 0 [pid 650] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 650] close(4) = 0 [pid 650] close(3) = 0 [pid 650] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 650] open("./file0", O_RDONLY) = 3 [pid 650] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 650] unlink("./file0") = -1 EISDIR (Is a directory) [pid 650] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 650] exit_group(0) = ? [pid 650] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=650, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 651 ./strace-static-x86_64: Process 651 attached [pid 651] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 651] setpgid(0, 0) = 0 [pid 651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 651] write(3, "1000", 4) = 4 [pid 651] close(3) = 0 [pid 651] memfd_create("syzkaller", 0) = 3 [pid 651] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 651] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 651] munmap(0x7f26a8533000, 131072) = 0 [pid 651] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 651] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 651] ioctl(4, LOOP_CLR_FD) = 0 [pid 651] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 651] close(4) = 0 [pid 651] close(3) = 0 [pid 651] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 651] open("./file0", O_RDONLY) = 3 [pid 651] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 651] unlink("./file0") = -1 EISDIR (Is a directory) [pid 651] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 651] exit_group(0) = ? [pid 651] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=651, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 652 attached , child_tidptr=0x555556e0f5d0) = 652 [pid 652] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 652] setpgid(0, 0) = 0 [pid 652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 652] write(3, "1000", 4) = 4 [pid 652] close(3) = 0 [pid 652] memfd_create("syzkaller", 0) = 3 [pid 652] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 652] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 652] munmap(0x7f26a8533000, 131072) = 0 [pid 652] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 652] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 652] ioctl(4, LOOP_CLR_FD) = 0 [pid 652] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 652] close(4) = 0 [pid 652] close(3) = 0 [pid 652] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 652] open("./file0", O_RDONLY) = 3 [pid 652] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 652] unlink("./file0") = -1 EISDIR (Is a directory) [pid 652] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 652] exit_group(0) = ? [pid 652] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=652, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 653 ./strace-static-x86_64: Process 653 attached [pid 653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 653] setpgid(0, 0) = 0 [pid 653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 653] write(3, "1000", 4) = 4 [pid 653] close(3) = 0 [pid 653] memfd_create("syzkaller", 0) = 3 [pid 653] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 653] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 653] munmap(0x7f26a8533000, 131072) = 0 [pid 653] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 653] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 653] ioctl(4, LOOP_CLR_FD) = 0 [pid 653] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 653] close(4) = 0 [pid 653] close(3) = 0 [pid 653] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 653] open("./file0", O_RDONLY) = 3 [pid 653] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 653] unlink("./file0") = -1 EISDIR (Is a directory) [pid 653] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 653] exit_group(0) = ? [pid 653] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=653, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 654 ./strace-static-x86_64: Process 654 attached [pid 654] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 654] setpgid(0, 0) = 0 [pid 654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 654] write(3, "1000", 4) = 4 [pid 654] close(3) = 0 [pid 654] memfd_create("syzkaller", 0) = 3 [pid 654] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 654] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 654] munmap(0x7f26a8533000, 131072) = 0 [pid 654] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 654] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 654] ioctl(4, LOOP_CLR_FD) = 0 [pid 654] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 654] close(4) = 0 [pid 654] close(3) = 0 [pid 654] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 654] open("./file0", O_RDONLY) = 3 [pid 654] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 654] unlink("./file0") = -1 EISDIR (Is a directory) [pid 654] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 654] exit_group(0) = ? [pid 654] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=654, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 655 ./strace-static-x86_64: Process 655 attached [pid 655] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 655] setpgid(0, 0) = 0 [pid 655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 655] write(3, "1000", 4) = 4 [pid 655] close(3) = 0 [pid 655] memfd_create("syzkaller", 0) = 3 [pid 655] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 655] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 655] munmap(0x7f26a8533000, 131072) = 0 [pid 655] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 655] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 655] ioctl(4, LOOP_CLR_FD) = 0 [pid 655] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 655] close(4) = 0 [pid 655] close(3) = 0 [pid 655] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 655] open("./file0", O_RDONLY) = 3 [pid 655] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 655] unlink("./file0") = -1 EISDIR (Is a directory) [pid 655] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 655] exit_group(0) = ? [pid 655] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=655, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 656 ./strace-static-x86_64: Process 656 attached [pid 656] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 656] setpgid(0, 0) = 0 [pid 656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 656] write(3, "1000", 4) = 4 [pid 656] close(3) = 0 [pid 656] memfd_create("syzkaller", 0) = 3 [pid 656] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 656] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 656] munmap(0x7f26a8533000, 131072) = 0 [pid 656] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 656] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 656] ioctl(4, LOOP_CLR_FD) = 0 [pid 656] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 656] close(4) = 0 [pid 656] close(3) = 0 [pid 656] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 656] open("./file0", O_RDONLY) = 3 [pid 656] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 656] unlink("./file0") = -1 EISDIR (Is a directory) [pid 656] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 656] exit_group(0) = ? [pid 656] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=656, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 657 attached , child_tidptr=0x555556e0f5d0) = 657 [pid 657] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 657] setpgid(0, 0) = 0 [pid 657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 657] write(3, "1000", 4) = 4 [pid 657] close(3) = 0 [pid 657] memfd_create("syzkaller", 0) = 3 [pid 657] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 657] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 657] munmap(0x7f26a8533000, 131072) = 0 [pid 657] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 657] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 657] ioctl(4, LOOP_CLR_FD) = 0 [pid 657] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 657] close(4) = 0 [pid 657] close(3) = 0 [pid 657] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 657] open("./file0", O_RDONLY) = 3 [pid 657] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 657] unlink("./file0") = -1 EISDIR (Is a directory) [pid 657] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 657] exit_group(0) = ? [pid 657] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=657, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 658 ./strace-static-x86_64: Process 658 attached [pid 658] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 658] setpgid(0, 0) = 0 [pid 658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 658] write(3, "1000", 4) = 4 [pid 658] close(3) = 0 [pid 658] memfd_create("syzkaller", 0) = 3 [pid 658] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 658] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 658] munmap(0x7f26a8533000, 131072) = 0 [pid 658] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 658] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 658] ioctl(4, LOOP_CLR_FD) = 0 [pid 658] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 658] close(4) = 0 [pid 658] close(3) = 0 [pid 658] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 658] open("./file0", O_RDONLY) = 3 [pid 658] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 658] unlink("./file0") = -1 EISDIR (Is a directory) [pid 658] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 658] exit_group(0) = ? [pid 658] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=658, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 659 ./strace-static-x86_64: Process 659 attached [pid 659] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 659] setpgid(0, 0) = 0 [pid 659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 659] write(3, "1000", 4) = 4 [pid 659] close(3) = 0 [pid 659] memfd_create("syzkaller", 0) = 3 [pid 659] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 659] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 659] munmap(0x7f26a8533000, 131072) = 0 [pid 659] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 659] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 659] ioctl(4, LOOP_CLR_FD) = 0 [pid 659] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 659] close(4) = 0 [pid 659] close(3) = 0 [pid 659] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 659] open("./file0", O_RDONLY) = 3 [pid 659] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 659] unlink("./file0") = -1 EISDIR (Is a directory) [pid 659] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 659] exit_group(0) = ? [pid 659] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=659, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 660 ./strace-static-x86_64: Process 660 attached [pid 660] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 660] setpgid(0, 0) = 0 [pid 660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 660] write(3, "1000", 4) = 4 [pid 660] close(3) = 0 [pid 660] memfd_create("syzkaller", 0) = 3 [pid 660] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 660] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 660] munmap(0x7f26a8533000, 131072) = 0 [pid 660] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 660] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 660] ioctl(4, LOOP_CLR_FD) = 0 [pid 660] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 660] close(4) = 0 [pid 660] close(3) = 0 [pid 660] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 660] open("./file0", O_RDONLY) = 3 [pid 660] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 660] unlink("./file0") = -1 EISDIR (Is a directory) [pid 660] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 660] exit_group(0) = ? [pid 660] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=660, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 661 ./strace-static-x86_64: Process 661 attached [pid 661] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 661] setpgid(0, 0) = 0 [pid 661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 661] write(3, "1000", 4) = 4 [pid 661] close(3) = 0 [pid 661] memfd_create("syzkaller", 0) = 3 [pid 661] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 661] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 661] munmap(0x7f26a8533000, 131072) = 0 [pid 661] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 661] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 661] ioctl(4, LOOP_CLR_FD) = 0 [pid 661] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 661] close(4) = 0 [pid 661] close(3) = 0 [pid 661] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 661] open("./file0", O_RDONLY) = 3 [pid 661] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 661] unlink("./file0") = -1 EISDIR (Is a directory) [pid 661] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 661] exit_group(0) = ? [pid 661] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=661, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 662 ./strace-static-x86_64: Process 662 attached [pid 662] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 662] setpgid(0, 0) = 0 [pid 662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 662] write(3, "1000", 4) = 4 [pid 662] close(3) = 0 [pid 662] memfd_create("syzkaller", 0) = 3 [pid 662] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 662] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 662] munmap(0x7f26a8533000, 131072) = 0 [pid 662] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 662] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 662] ioctl(4, LOOP_CLR_FD) = 0 [pid 662] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 662] close(4) = 0 [pid 662] close(3) = 0 [pid 662] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 662] open("./file0", O_RDONLY) = 3 [pid 662] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 662] unlink("./file0") = -1 EISDIR (Is a directory) [pid 662] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 662] exit_group(0) = ? [pid 662] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=662, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 663 ./strace-static-x86_64: Process 663 attached [pid 663] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 663] setpgid(0, 0) = 0 [pid 663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 663] write(3, "1000", 4) = 4 [pid 663] close(3) = 0 [pid 663] memfd_create("syzkaller", 0) = 3 [pid 663] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 663] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 663] munmap(0x7f26a8533000, 131072) = 0 [pid 663] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 663] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 663] ioctl(4, LOOP_CLR_FD) = 0 [pid 663] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 663] close(4) = 0 [pid 663] close(3) = 0 [pid 663] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 663] open("./file0", O_RDONLY) = 3 [pid 663] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 663] unlink("./file0") = -1 EISDIR (Is a directory) [pid 663] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 663] exit_group(0) = ? [pid 663] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=663, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 664 ./strace-static-x86_64: Process 664 attached [pid 664] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 664] setpgid(0, 0) = 0 [pid 664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 664] write(3, "1000", 4) = 4 [pid 664] close(3) = 0 [pid 664] memfd_create("syzkaller", 0) = 3 [pid 664] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 664] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 664] munmap(0x7f26a8533000, 131072) = 0 [pid 664] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 664] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 664] ioctl(4, LOOP_CLR_FD) = 0 [pid 664] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 664] close(4) = 0 [pid 664] close(3) = 0 [pid 664] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 664] open("./file0", O_RDONLY) = 3 [pid 664] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 664] unlink("./file0") = -1 EISDIR (Is a directory) [pid 664] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 664] exit_group(0) = ? [pid 664] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=664, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 665 ./strace-static-x86_64: Process 665 attached [pid 665] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 665] setpgid(0, 0) = 0 [pid 665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 665] write(3, "1000", 4) = 4 [pid 665] close(3) = 0 [pid 665] memfd_create("syzkaller", 0) = 3 [pid 665] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 665] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 665] munmap(0x7f26a8533000, 131072) = 0 [pid 665] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 665] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 665] ioctl(4, LOOP_CLR_FD) = 0 [pid 665] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 665] close(4) = 0 [pid 665] close(3) = 0 [pid 665] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 665] open("./file0", O_RDONLY) = 3 [pid 665] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 665] unlink("./file0") = -1 EISDIR (Is a directory) [pid 665] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 665] exit_group(0) = ? [pid 665] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=665, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 666 ./strace-static-x86_64: Process 666 attached [pid 666] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 666] setpgid(0, 0) = 0 [pid 666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 666] write(3, "1000", 4) = 4 [pid 666] close(3) = 0 [pid 666] memfd_create("syzkaller", 0) = 3 [pid 666] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 666] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 666] munmap(0x7f26a8533000, 131072) = 0 [pid 666] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 666] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 666] ioctl(4, LOOP_CLR_FD) = 0 [pid 666] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 666] close(4) = 0 [pid 666] close(3) = 0 [pid 666] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 666] open("./file0", O_RDONLY) = 3 [pid 666] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 666] unlink("./file0") = -1 EISDIR (Is a directory) [pid 666] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 666] exit_group(0) = ? [pid 666] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=666, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 667 ./strace-static-x86_64: Process 667 attached [pid 667] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 667] setpgid(0, 0) = 0 [pid 667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 667] write(3, "1000", 4) = 4 [pid 667] close(3) = 0 [pid 667] memfd_create("syzkaller", 0) = 3 [pid 667] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 667] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 667] munmap(0x7f26a8533000, 131072) = 0 [pid 667] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 667] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 667] ioctl(4, LOOP_CLR_FD) = 0 [pid 667] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 667] close(4) = 0 [pid 667] close(3) = 0 [pid 667] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 667] open("./file0", O_RDONLY) = 3 [pid 667] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 667] unlink("./file0") = -1 EISDIR (Is a directory) [pid 667] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 667] exit_group(0) = ? [pid 667] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=667, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 668 ./strace-static-x86_64: Process 668 attached [pid 668] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 668] setpgid(0, 0) = 0 [pid 668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 668] write(3, "1000", 4) = 4 [pid 668] close(3) = 0 [pid 668] memfd_create("syzkaller", 0) = 3 [pid 668] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 668] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 668] munmap(0x7f26a8533000, 131072) = 0 [pid 668] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 668] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 668] ioctl(4, LOOP_CLR_FD) = 0 [pid 668] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 668] close(4) = 0 [pid 668] close(3) = 0 [pid 668] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 668] open("./file0", O_RDONLY) = 3 [pid 668] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 668] unlink("./file0") = -1 EISDIR (Is a directory) [pid 668] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 668] exit_group(0) = ? [pid 668] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=668, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 669 ./strace-static-x86_64: Process 669 attached [pid 669] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 669] setpgid(0, 0) = 0 [pid 669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 669] write(3, "1000", 4) = 4 [pid 669] close(3) = 0 [pid 669] memfd_create("syzkaller", 0) = 3 [pid 669] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 669] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 669] munmap(0x7f26a8533000, 131072) = 0 [pid 669] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 669] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 669] ioctl(4, LOOP_CLR_FD) = 0 [pid 669] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 669] close(4) = 0 [pid 669] close(3) = 0 [pid 669] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 669] open("./file0", O_RDONLY) = 3 [pid 669] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 669] unlink("./file0") = -1 EISDIR (Is a directory) [pid 669] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 669] exit_group(0) = ? [pid 669] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=669, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 670 ./strace-static-x86_64: Process 670 attached [pid 670] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 670] setpgid(0, 0) = 0 [pid 670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 670] write(3, "1000", 4) = 4 [pid 670] close(3) = 0 [pid 670] memfd_create("syzkaller", 0) = 3 [pid 670] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 670] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 670] munmap(0x7f26a8533000, 131072) = 0 [pid 670] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 670] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 670] ioctl(4, LOOP_CLR_FD) = 0 [pid 670] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 670] close(4) = 0 [pid 670] close(3) = 0 [pid 670] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 670] open("./file0", O_RDONLY) = 3 [pid 670] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 670] unlink("./file0") = -1 EISDIR (Is a directory) [pid 670] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 670] exit_group(0) = ? [pid 670] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=670, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 671 ./strace-static-x86_64: Process 671 attached [pid 671] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 671] setpgid(0, 0) = 0 [pid 671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 671] write(3, "1000", 4) = 4 [pid 671] close(3) = 0 [pid 671] memfd_create("syzkaller", 0) = 3 [pid 671] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 671] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 671] munmap(0x7f26a8533000, 131072) = 0 [pid 671] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 671] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 671] ioctl(4, LOOP_CLR_FD) = 0 [pid 671] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 671] close(4) = 0 [pid 671] close(3) = 0 [pid 671] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 671] open("./file0", O_RDONLY) = 3 [pid 671] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 671] unlink("./file0") = -1 EISDIR (Is a directory) [pid 671] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 671] exit_group(0) = ? [pid 671] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=671, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 672 ./strace-static-x86_64: Process 672 attached [pid 672] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 672] setpgid(0, 0) = 0 [pid 672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 672] write(3, "1000", 4) = 4 [pid 672] close(3) = 0 [pid 672] memfd_create("syzkaller", 0) = 3 [pid 672] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 672] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 672] munmap(0x7f26a8533000, 131072) = 0 [pid 672] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 672] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 672] ioctl(4, LOOP_CLR_FD) = 0 [pid 672] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 672] close(4) = 0 [pid 672] close(3) = 0 [pid 672] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 672] open("./file0", O_RDONLY) = 3 [pid 672] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 672] unlink("./file0") = -1 EISDIR (Is a directory) [pid 672] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 672] exit_group(0) = ? [pid 672] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=672, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 673 ./strace-static-x86_64: Process 673 attached [pid 673] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 673] setpgid(0, 0) = 0 [pid 673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 673] write(3, "1000", 4) = 4 [pid 673] close(3) = 0 [pid 673] memfd_create("syzkaller", 0) = 3 [pid 673] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 673] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 673] munmap(0x7f26a8533000, 131072) = 0 [pid 673] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 673] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 673] ioctl(4, LOOP_CLR_FD) = 0 [pid 673] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 673] close(4) = 0 [pid 673] close(3) = 0 [pid 673] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 673] open("./file0", O_RDONLY) = 3 [pid 673] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 673] unlink("./file0") = -1 EISDIR (Is a directory) [pid 673] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 673] exit_group(0) = ? [pid 673] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=673, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 674 ./strace-static-x86_64: Process 674 attached [pid 674] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 674] setpgid(0, 0) = 0 [pid 674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 674] write(3, "1000", 4) = 4 [pid 674] close(3) = 0 [pid 674] memfd_create("syzkaller", 0) = 3 [pid 674] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 674] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 674] munmap(0x7f26a8533000, 131072) = 0 [pid 674] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 674] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 674] ioctl(4, LOOP_CLR_FD) = 0 [pid 674] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 674] close(4) = 0 [pid 674] close(3) = 0 [pid 674] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 674] open("./file0", O_RDONLY) = 3 [pid 674] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 674] unlink("./file0") = -1 EISDIR (Is a directory) [pid 674] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 674] exit_group(0) = ? [pid 674] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=674, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 675 ./strace-static-x86_64: Process 675 attached [pid 675] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 675] setpgid(0, 0) = 0 [pid 675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 675] write(3, "1000", 4) = 4 [pid 675] close(3) = 0 [pid 675] memfd_create("syzkaller", 0) = 3 [pid 675] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 675] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 675] munmap(0x7f26a8533000, 131072) = 0 [pid 675] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 675] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 675] ioctl(4, LOOP_CLR_FD) = 0 [pid 675] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 675] close(4) = 0 [pid 675] close(3) = 0 [pid 675] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 675] open("./file0", O_RDONLY) = 3 [pid 675] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 675] unlink("./file0") = -1 EISDIR (Is a directory) [pid 675] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 675] exit_group(0) = ? [pid 675] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=675, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 676 attached , child_tidptr=0x555556e0f5d0) = 676 [pid 676] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 676] setpgid(0, 0) = 0 [pid 676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 676] write(3, "1000", 4) = 4 [pid 676] close(3) = 0 [pid 676] memfd_create("syzkaller", 0) = 3 [pid 676] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 676] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 676] munmap(0x7f26a8533000, 131072) = 0 [pid 676] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 676] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 676] ioctl(4, LOOP_CLR_FD) = 0 [pid 676] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 676] close(4) = 0 [pid 676] close(3) = 0 [pid 676] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 676] open("./file0", O_RDONLY) = 3 [pid 676] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 676] unlink("./file0") = -1 EISDIR (Is a directory) [pid 676] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 676] exit_group(0) = ? [pid 676] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=676, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 677 attached , child_tidptr=0x555556e0f5d0) = 677 [pid 677] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 677] setpgid(0, 0) = 0 [pid 677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 677] write(3, "1000", 4) = 4 [pid 677] close(3) = 0 [pid 677] memfd_create("syzkaller", 0) = 3 [pid 677] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 677] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 677] munmap(0x7f26a8533000, 131072) = 0 [pid 677] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 677] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 677] ioctl(4, LOOP_CLR_FD) = 0 [pid 677] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 677] close(4) = 0 [pid 677] close(3) = 0 [pid 677] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 677] open("./file0", O_RDONLY) = 3 [pid 677] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 677] unlink("./file0") = -1 EISDIR (Is a directory) [pid 677] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 677] exit_group(0) = ? [pid 677] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=677, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 678 attached , child_tidptr=0x555556e0f5d0) = 678 [pid 678] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 678] setpgid(0, 0) = 0 [pid 678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 678] write(3, "1000", 4) = 4 [pid 678] close(3) = 0 [pid 678] memfd_create("syzkaller", 0) = 3 [pid 678] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 678] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 678] munmap(0x7f26a8533000, 131072) = 0 [pid 678] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 678] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 678] ioctl(4, LOOP_CLR_FD) = 0 [pid 678] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 678] close(4) = 0 [pid 678] close(3) = 0 [pid 678] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 678] open("./file0", O_RDONLY) = 3 [pid 678] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 678] unlink("./file0") = -1 EISDIR (Is a directory) [pid 678] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 678] exit_group(0) = ? [pid 678] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=678, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 679 attached , child_tidptr=0x555556e0f5d0) = 679 [pid 679] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 679] setpgid(0, 0) = 0 [pid 679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 679] write(3, "1000", 4) = 4 [pid 679] close(3) = 0 [pid 679] memfd_create("syzkaller", 0) = 3 [pid 679] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 679] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 679] munmap(0x7f26a8533000, 131072) = 0 [pid 679] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 679] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 679] ioctl(4, LOOP_CLR_FD) = 0 [pid 679] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 679] close(4) = 0 [pid 679] close(3) = 0 [pid 679] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 679] open("./file0", O_RDONLY) = 3 [pid 679] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 679] unlink("./file0") = -1 EISDIR (Is a directory) [pid 679] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 679] exit_group(0) = ? [pid 679] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=679, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 680 ./strace-static-x86_64: Process 680 attached [pid 680] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 680] setpgid(0, 0) = 0 [pid 680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 680] write(3, "1000", 4) = 4 [pid 680] close(3) = 0 [pid 680] memfd_create("syzkaller", 0) = 3 [pid 680] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 680] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 680] munmap(0x7f26a8533000, 131072) = 0 [pid 680] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 680] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 680] ioctl(4, LOOP_CLR_FD) = 0 [pid 680] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 680] close(4) = 0 [pid 680] close(3) = 0 [pid 680] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 680] open("./file0", O_RDONLY) = 3 [pid 680] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 680] unlink("./file0") = -1 EISDIR (Is a directory) [pid 680] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 680] exit_group(0) = ? [pid 680] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=680, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 681 ./strace-static-x86_64: Process 681 attached [pid 681] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 681] setpgid(0, 0) = 0 [pid 681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 681] write(3, "1000", 4) = 4 [pid 681] close(3) = 0 [pid 681] memfd_create("syzkaller", 0) = 3 [pid 681] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 681] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 681] munmap(0x7f26a8533000, 131072) = 0 [pid 681] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 681] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 681] ioctl(4, LOOP_CLR_FD) = 0 [pid 681] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 681] close(4) = 0 [pid 681] close(3) = 0 [pid 681] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 681] open("./file0", O_RDONLY) = 3 [pid 681] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 681] unlink("./file0") = -1 EISDIR (Is a directory) [pid 681] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 681] exit_group(0) = ? [pid 681] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=681, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 682 ./strace-static-x86_64: Process 682 attached [pid 682] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 682] setpgid(0, 0) = 0 [pid 682] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 682] write(3, "1000", 4) = 4 [pid 682] close(3) = 0 [pid 682] memfd_create("syzkaller", 0) = 3 [pid 682] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 682] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 682] munmap(0x7f26a8533000, 131072) = 0 [pid 682] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 682] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 682] ioctl(4, LOOP_CLR_FD) = 0 [pid 682] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 682] close(4) = 0 [pid 682] close(3) = 0 [pid 682] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 682] open("./file0", O_RDONLY) = 3 [pid 682] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 682] unlink("./file0") = -1 EISDIR (Is a directory) [pid 682] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 682] exit_group(0) = ? [pid 682] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=682, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 683 ./strace-static-x86_64: Process 683 attached [pid 683] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 683] setpgid(0, 0) = 0 [pid 683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 683] write(3, "1000", 4) = 4 [pid 683] close(3) = 0 [pid 683] memfd_create("syzkaller", 0) = 3 [pid 683] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 683] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 683] munmap(0x7f26a8533000, 131072) = 0 [pid 683] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 683] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 683] ioctl(4, LOOP_CLR_FD) = 0 [pid 683] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 683] close(4) = 0 [pid 683] close(3) = 0 [pid 683] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 683] open("./file0", O_RDONLY) = 3 [pid 683] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 683] unlink("./file0") = -1 EISDIR (Is a directory) [pid 683] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 683] exit_group(0) = ? [pid 683] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=683, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 685 attached , child_tidptr=0x555556e0f5d0) = 685 [pid 685] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 685] setpgid(0, 0) = 0 [pid 685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 685] write(3, "1000", 4) = 4 [pid 685] close(3) = 0 [pid 685] memfd_create("syzkaller", 0) = 3 [pid 685] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 685] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 685] munmap(0x7f26a8533000, 131072) = 0 [pid 685] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 685] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 685] ioctl(4, LOOP_CLR_FD) = 0 [pid 685] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 685] close(4) = 0 [pid 685] close(3) = 0 [pid 685] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 685] open("./file0", O_RDONLY) = 3 [pid 685] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 685] unlink("./file0") = -1 EISDIR (Is a directory) [pid 685] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 685] exit_group(0) = ? [pid 685] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=685, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 686 ./strace-static-x86_64: Process 686 attached [pid 686] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 686] setpgid(0, 0) = 0 [pid 686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 686] write(3, "1000", 4) = 4 [pid 686] close(3) = 0 [pid 686] memfd_create("syzkaller", 0) = 3 [pid 686] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 686] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 686] munmap(0x7f26a8533000, 131072) = 0 [pid 686] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 686] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 686] ioctl(4, LOOP_CLR_FD) = 0 [pid 686] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 686] close(4) = 0 [pid 686] close(3) = 0 [pid 686] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 686] open("./file0", O_RDONLY) = 3 [pid 686] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 686] unlink("./file0") = -1 EISDIR (Is a directory) [pid 686] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 686] exit_group(0) = ? [pid 686] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=686, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 687 ./strace-static-x86_64: Process 687 attached [pid 687] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 687] setpgid(0, 0) = 0 [pid 687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 687] write(3, "1000", 4) = 4 [pid 687] close(3) = 0 [pid 687] memfd_create("syzkaller", 0) = 3 [pid 687] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 687] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 687] munmap(0x7f26a8533000, 131072) = 0 [pid 687] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 687] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 687] ioctl(4, LOOP_CLR_FD) = 0 [pid 687] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 687] close(4) = 0 [pid 687] close(3) = 0 [pid 687] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 687] open("./file0", O_RDONLY) = 3 [pid 687] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 687] unlink("./file0") = -1 EISDIR (Is a directory) [pid 687] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 687] exit_group(0) = ? [pid 687] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=687, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 688 ./strace-static-x86_64: Process 688 attached [pid 688] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 688] setpgid(0, 0) = 0 [pid 688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 688] write(3, "1000", 4) = 4 [pid 688] close(3) = 0 [pid 688] memfd_create("syzkaller", 0) = 3 [pid 688] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 688] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 688] munmap(0x7f26a8533000, 131072) = 0 [pid 688] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 688] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 688] ioctl(4, LOOP_CLR_FD) = 0 [pid 688] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 688] close(4) = 0 [pid 688] close(3) = 0 [pid 688] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 688] open("./file0", O_RDONLY) = 3 [pid 688] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 688] unlink("./file0") = -1 EISDIR (Is a directory) [pid 688] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 688] exit_group(0) = ? [pid 688] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=688, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 689 ./strace-static-x86_64: Process 689 attached [pid 689] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 689] setpgid(0, 0) = 0 [pid 689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 689] write(3, "1000", 4) = 4 [pid 689] close(3) = 0 [pid 689] memfd_create("syzkaller", 0) = 3 [pid 689] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 689] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 689] munmap(0x7f26a8533000, 131072) = 0 [pid 689] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 689] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 689] ioctl(4, LOOP_CLR_FD) = 0 [pid 689] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 689] close(4) = 0 [pid 689] close(3) = 0 [pid 689] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 689] open("./file0", O_RDONLY) = 3 [pid 689] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 689] unlink("./file0") = -1 EISDIR (Is a directory) [pid 689] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 689] exit_group(0) = ? [pid 689] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=689, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 690 attached , child_tidptr=0x555556e0f5d0) = 690 [pid 690] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 690] setpgid(0, 0) = 0 [pid 690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 690] write(3, "1000", 4) = 4 [pid 690] close(3) = 0 [pid 690] memfd_create("syzkaller", 0) = 3 [pid 690] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 690] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 690] munmap(0x7f26a8533000, 131072) = 0 [pid 690] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 690] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 690] ioctl(4, LOOP_CLR_FD) = 0 [pid 690] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 690] close(4) = 0 [pid 690] close(3) = 0 [pid 690] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 690] open("./file0", O_RDONLY) = 3 [pid 690] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 690] unlink("./file0") = -1 EISDIR (Is a directory) [pid 690] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 690] exit_group(0) = ? [pid 690] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=690, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 691 ./strace-static-x86_64: Process 691 attached [pid 691] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 691] setpgid(0, 0) = 0 [pid 691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 691] write(3, "1000", 4) = 4 [pid 691] close(3) = 0 [pid 691] memfd_create("syzkaller", 0) = 3 [pid 691] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 691] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 691] munmap(0x7f26a8533000, 131072) = 0 [pid 691] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 691] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 691] ioctl(4, LOOP_CLR_FD) = 0 [pid 691] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 691] close(4) = 0 [pid 691] close(3) = 0 [pid 691] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 691] open("./file0", O_RDONLY) = 3 [pid 691] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 691] unlink("./file0") = -1 EISDIR (Is a directory) [pid 691] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 691] exit_group(0) = ? [pid 691] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=691, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 692 attached , child_tidptr=0x555556e0f5d0) = 692 [pid 692] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 692] setpgid(0, 0) = 0 [pid 692] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 692] write(3, "1000", 4) = 4 [pid 692] close(3) = 0 [pid 692] memfd_create("syzkaller", 0) = 3 [pid 692] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 692] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 692] munmap(0x7f26a8533000, 131072) = 0 [pid 692] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 692] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 692] ioctl(4, LOOP_CLR_FD) = 0 [pid 692] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 692] close(4) = 0 [pid 692] close(3) = 0 [pid 692] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 692] open("./file0", O_RDONLY) = 3 [pid 692] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 692] unlink("./file0") = -1 EISDIR (Is a directory) [pid 692] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 692] exit_group(0) = ? [pid 692] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=692, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 693 ./strace-static-x86_64: Process 693 attached [pid 693] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 693] setpgid(0, 0) = 0 [pid 693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 693] write(3, "1000", 4) = 4 [pid 693] close(3) = 0 [pid 693] memfd_create("syzkaller", 0) = 3 [pid 693] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 693] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 693] munmap(0x7f26a8533000, 131072) = 0 [pid 693] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 693] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 693] ioctl(4, LOOP_CLR_FD) = 0 [pid 693] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 693] close(4) = 0 [pid 693] close(3) = 0 [pid 693] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 693] open("./file0", O_RDONLY) = 3 [pid 693] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 693] unlink("./file0") = -1 EISDIR (Is a directory) [pid 693] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 693] exit_group(0) = ? [pid 693] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=693, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 694 ./strace-static-x86_64: Process 694 attached [pid 694] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 694] setpgid(0, 0) = 0 [pid 694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 694] write(3, "1000", 4) = 4 [pid 694] close(3) = 0 [pid 694] memfd_create("syzkaller", 0) = 3 [pid 694] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 694] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 694] munmap(0x7f26a8533000, 131072) = 0 [pid 694] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 694] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 694] ioctl(4, LOOP_CLR_FD) = 0 [pid 694] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 694] close(4) = 0 [pid 694] close(3) = 0 [pid 694] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 694] open("./file0", O_RDONLY) = 3 [pid 694] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 694] unlink("./file0") = -1 EISDIR (Is a directory) [pid 694] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 694] exit_group(0) = ? [pid 694] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=694, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 695 ./strace-static-x86_64: Process 695 attached [pid 695] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 695] setpgid(0, 0) = 0 [pid 695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 695] write(3, "1000", 4) = 4 [pid 695] close(3) = 0 [pid 695] memfd_create("syzkaller", 0) = 3 [pid 695] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 695] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 695] munmap(0x7f26a8533000, 131072) = 0 [pid 695] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 695] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 695] ioctl(4, LOOP_CLR_FD) = 0 [pid 695] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 695] close(4) = 0 [pid 695] close(3) = 0 [pid 695] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 695] open("./file0", O_RDONLY) = 3 [pid 695] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 695] unlink("./file0") = -1 EISDIR (Is a directory) [pid 695] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 695] exit_group(0) = ? [pid 695] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=695, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 696 ./strace-static-x86_64: Process 696 attached [pid 696] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 696] setpgid(0, 0) = 0 [pid 696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 696] write(3, "1000", 4) = 4 [pid 696] close(3) = 0 [pid 696] memfd_create("syzkaller", 0) = 3 [pid 696] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 696] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 696] munmap(0x7f26a8533000, 131072) = 0 [pid 696] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 696] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 696] ioctl(4, LOOP_CLR_FD) = 0 [pid 696] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 696] close(4) = 0 [pid 696] close(3) = 0 [pid 696] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 696] open("./file0", O_RDONLY) = 3 [pid 696] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 696] unlink("./file0") = -1 EISDIR (Is a directory) [pid 696] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 696] exit_group(0) = ? [pid 696] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=696, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 697 ./strace-static-x86_64: Process 697 attached [pid 697] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 697] setpgid(0, 0) = 0 [pid 697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 697] write(3, "1000", 4) = 4 [pid 697] close(3) = 0 [pid 697] memfd_create("syzkaller", 0) = 3 [pid 697] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 697] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 697] munmap(0x7f26a8533000, 131072) = 0 [pid 697] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 697] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 697] ioctl(4, LOOP_CLR_FD) = 0 [pid 697] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 697] close(4) = 0 [pid 697] close(3) = 0 [pid 697] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 697] open("./file0", O_RDONLY) = 3 [pid 697] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 697] unlink("./file0") = -1 EISDIR (Is a directory) [pid 697] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 697] exit_group(0) = ? [pid 697] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=697, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 698 ./strace-static-x86_64: Process 698 attached [pid 698] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 698] setpgid(0, 0) = 0 [pid 698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 698] write(3, "1000", 4) = 4 [pid 698] close(3) = 0 [pid 698] memfd_create("syzkaller", 0) = 3 [pid 698] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 698] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 698] munmap(0x7f26a8533000, 131072) = 0 [pid 698] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 698] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 698] ioctl(4, LOOP_CLR_FD) = 0 [pid 698] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 698] close(4) = 0 [pid 698] close(3) = 0 [pid 698] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 698] open("./file0", O_RDONLY) = 3 [pid 698] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 698] unlink("./file0") = -1 EISDIR (Is a directory) [pid 698] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 698] exit_group(0) = ? [pid 698] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=698, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 699 ./strace-static-x86_64: Process 699 attached [pid 699] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 699] setpgid(0, 0) = 0 [pid 699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 699] write(3, "1000", 4) = 4 [pid 699] close(3) = 0 [pid 699] memfd_create("syzkaller", 0) = 3 [pid 699] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 699] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 699] munmap(0x7f26a8533000, 131072) = 0 [pid 699] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 699] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 699] ioctl(4, LOOP_CLR_FD) = 0 [pid 699] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 699] close(4) = 0 [pid 699] close(3) = 0 [pid 699] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 699] open("./file0", O_RDONLY) = 3 [pid 699] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 699] unlink("./file0") = -1 EISDIR (Is a directory) [pid 699] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 699] exit_group(0) = ? [pid 699] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=699, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 700 ./strace-static-x86_64: Process 700 attached [pid 700] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 700] setpgid(0, 0) = 0 [pid 700] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 700] write(3, "1000", 4) = 4 [pid 700] close(3) = 0 [pid 700] memfd_create("syzkaller", 0) = 3 [pid 700] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 700] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 700] munmap(0x7f26a8533000, 131072) = 0 [pid 700] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 700] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 700] ioctl(4, LOOP_CLR_FD) = 0 [pid 700] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 700] close(4) = 0 [pid 700] close(3) = 0 [pid 700] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 700] open("./file0", O_RDONLY) = 3 [pid 700] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 700] unlink("./file0") = -1 EISDIR (Is a directory) [pid 700] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 700] exit_group(0) = ? [pid 700] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=700, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 701 ./strace-static-x86_64: Process 701 attached [pid 701] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 701] setpgid(0, 0) = 0 [pid 701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 701] write(3, "1000", 4) = 4 [pid 701] close(3) = 0 [pid 701] memfd_create("syzkaller", 0) = 3 [pid 701] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 701] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 701] munmap(0x7f26a8533000, 131072) = 0 [pid 701] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 701] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 701] ioctl(4, LOOP_CLR_FD) = 0 [pid 701] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 701] close(4) = 0 [pid 701] close(3) = 0 [pid 701] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 701] open("./file0", O_RDONLY) = 3 [pid 701] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 701] unlink("./file0") = -1 EISDIR (Is a directory) [pid 701] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 701] exit_group(0) = ? [pid 701] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=701, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 702 ./strace-static-x86_64: Process 702 attached [pid 702] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 702] setpgid(0, 0) = 0 [pid 702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 702] write(3, "1000", 4) = 4 [pid 702] close(3) = 0 [pid 702] memfd_create("syzkaller", 0) = 3 [pid 702] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 702] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 702] munmap(0x7f26a8533000, 131072) = 0 [pid 702] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 702] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 702] ioctl(4, LOOP_CLR_FD) = 0 [pid 702] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 702] close(4) = 0 [pid 702] close(3) = 0 [pid 702] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 702] open("./file0", O_RDONLY) = 3 [pid 702] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 702] unlink("./file0") = -1 EISDIR (Is a directory) [pid 702] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 702] exit_group(0) = ? [pid 702] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=702, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 703 ./strace-static-x86_64: Process 703 attached [pid 703] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 703] setpgid(0, 0) = 0 [pid 703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 703] write(3, "1000", 4) = 4 [pid 703] close(3) = 0 [pid 703] memfd_create("syzkaller", 0) = 3 [pid 703] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 703] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 703] munmap(0x7f26a8533000, 131072) = 0 [pid 703] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 703] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 703] ioctl(4, LOOP_CLR_FD) = 0 [pid 703] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 703] close(4) = 0 [pid 703] close(3) = 0 [pid 703] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 703] open("./file0", O_RDONLY) = 3 [pid 703] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 703] unlink("./file0") = -1 EISDIR (Is a directory) [pid 703] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 703] exit_group(0) = ? [pid 703] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=703, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 704 ./strace-static-x86_64: Process 704 attached [pid 704] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 704] setpgid(0, 0) = 0 [pid 704] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 704] write(3, "1000", 4) = 4 [pid 704] close(3) = 0 [pid 704] memfd_create("syzkaller", 0) = 3 [pid 704] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 704] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 704] munmap(0x7f26a8533000, 131072) = 0 [pid 704] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 704] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 704] ioctl(4, LOOP_CLR_FD) = 0 [pid 704] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 704] close(4) = 0 [pid 704] close(3) = 0 [pid 704] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 704] open("./file0", O_RDONLY) = 3 [pid 704] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 704] unlink("./file0") = -1 EISDIR (Is a directory) [pid 704] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 704] exit_group(0) = ? [pid 704] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=704, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 705 ./strace-static-x86_64: Process 705 attached [pid 705] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 705] setpgid(0, 0) = 0 [pid 705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 705] write(3, "1000", 4) = 4 [pid 705] close(3) = 0 [pid 705] memfd_create("syzkaller", 0) = 3 [pid 705] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 705] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 705] munmap(0x7f26a8533000, 131072) = 0 [pid 705] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 705] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 705] ioctl(4, LOOP_CLR_FD) = 0 [pid 705] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 705] close(4) = 0 [pid 705] close(3) = 0 [pid 705] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 705] open("./file0", O_RDONLY) = 3 [pid 705] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 705] unlink("./file0") = -1 EISDIR (Is a directory) [pid 705] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 705] exit_group(0) = ? [pid 705] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=705, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 706 ./strace-static-x86_64: Process 706 attached [pid 706] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 706] setpgid(0, 0) = 0 [pid 706] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 706] write(3, "1000", 4) = 4 [pid 706] close(3) = 0 [pid 706] memfd_create("syzkaller", 0) = 3 [pid 706] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 706] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 706] munmap(0x7f26a8533000, 131072) = 0 [pid 706] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 706] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 706] ioctl(4, LOOP_CLR_FD) = 0 [pid 706] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 706] close(4) = 0 [pid 706] close(3) = 0 [pid 706] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 706] open("./file0", O_RDONLY) = 3 [pid 706] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 706] unlink("./file0") = -1 EISDIR (Is a directory) [pid 706] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 706] exit_group(0) = ? [pid 706] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=706, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 707 ./strace-static-x86_64: Process 707 attached [pid 707] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 707] setpgid(0, 0) = 0 [pid 707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 707] write(3, "1000", 4) = 4 [pid 707] close(3) = 0 [pid 707] memfd_create("syzkaller", 0) = 3 [pid 707] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 707] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 707] munmap(0x7f26a8533000, 131072) = 0 [pid 707] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 707] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 707] ioctl(4, LOOP_CLR_FD) = 0 [pid 707] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 707] close(4) = 0 [pid 707] close(3) = 0 [pid 707] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 707] open("./file0", O_RDONLY) = 3 [pid 707] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 707] unlink("./file0") = -1 EISDIR (Is a directory) [pid 707] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 707] exit_group(0) = ? [pid 707] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=707, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 708 ./strace-static-x86_64: Process 708 attached [pid 708] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 708] setpgid(0, 0) = 0 [pid 708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 708] write(3, "1000", 4) = 4 [pid 708] close(3) = 0 [pid 708] memfd_create("syzkaller", 0) = 3 [pid 708] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 708] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 708] munmap(0x7f26a8533000, 131072) = 0 [pid 708] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 708] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 708] ioctl(4, LOOP_CLR_FD) = 0 [pid 708] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 708] close(4) = 0 [pid 708] close(3) = 0 [pid 708] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 708] open("./file0", O_RDONLY) = 3 [pid 708] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 708] unlink("./file0") = -1 EISDIR (Is a directory) [pid 708] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 708] exit_group(0) = ? [pid 708] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=708, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 709 ./strace-static-x86_64: Process 709 attached [pid 709] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 709] setpgid(0, 0) = 0 [pid 709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 709] write(3, "1000", 4) = 4 [pid 709] close(3) = 0 [pid 709] memfd_create("syzkaller", 0) = 3 [pid 709] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 709] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 709] munmap(0x7f26a8533000, 131072) = 0 [pid 709] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 709] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 709] ioctl(4, LOOP_CLR_FD) = 0 [pid 709] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 709] close(4) = 0 [pid 709] close(3) = 0 [pid 709] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 709] open("./file0", O_RDONLY) = 3 [pid 709] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 709] unlink("./file0") = -1 EISDIR (Is a directory) [pid 709] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 709] exit_group(0) = ? [pid 709] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=709, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 710 ./strace-static-x86_64: Process 710 attached [pid 710] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 710] setpgid(0, 0) = 0 [pid 710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 710] write(3, "1000", 4) = 4 [pid 710] close(3) = 0 [pid 710] memfd_create("syzkaller", 0) = 3 [pid 710] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 710] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 710] munmap(0x7f26a8533000, 131072) = 0 [pid 710] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 710] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 710] ioctl(4, LOOP_CLR_FD) = 0 [pid 710] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 710] close(4) = 0 [pid 710] close(3) = 0 [pid 710] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 710] open("./file0", O_RDONLY) = 3 [pid 710] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 710] unlink("./file0") = -1 EISDIR (Is a directory) [pid 710] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 710] exit_group(0) = ? [pid 710] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=710, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 711 ./strace-static-x86_64: Process 711 attached [pid 711] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 711] setpgid(0, 0) = 0 [pid 711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 711] write(3, "1000", 4) = 4 [pid 711] close(3) = 0 [pid 711] memfd_create("syzkaller", 0) = 3 [pid 711] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 711] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 711] munmap(0x7f26a8533000, 131072) = 0 [pid 711] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 711] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 711] ioctl(4, LOOP_CLR_FD) = 0 [pid 711] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 711] close(4) = 0 [pid 711] close(3) = 0 [pid 711] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 711] open("./file0", O_RDONLY) = 3 [pid 711] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 711] unlink("./file0") = -1 EISDIR (Is a directory) [pid 711] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 711] exit_group(0) = ? [pid 711] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=711, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 712 ./strace-static-x86_64: Process 712 attached [pid 712] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 712] setpgid(0, 0) = 0 [pid 712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 712] write(3, "1000", 4) = 4 [pid 712] close(3) = 0 [pid 712] memfd_create("syzkaller", 0) = 3 [pid 712] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 712] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 712] munmap(0x7f26a8533000, 131072) = 0 [pid 712] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 712] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 712] ioctl(4, LOOP_CLR_FD) = 0 [pid 712] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 712] close(4) = 0 [pid 712] close(3) = 0 [pid 712] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 712] open("./file0", O_RDONLY) = 3 [pid 712] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 712] unlink("./file0") = -1 EISDIR (Is a directory) [pid 712] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 712] exit_group(0) = ? [pid 712] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=712, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 713 ./strace-static-x86_64: Process 713 attached [pid 713] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 713] setpgid(0, 0) = 0 [pid 713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 713] write(3, "1000", 4) = 4 [pid 713] close(3) = 0 [pid 713] memfd_create("syzkaller", 0) = 3 [pid 713] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 713] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 713] munmap(0x7f26a8533000, 131072) = 0 [pid 713] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 713] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 713] ioctl(4, LOOP_CLR_FD) = 0 [pid 713] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 713] close(4) = 0 [pid 713] close(3) = 0 [pid 713] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 713] open("./file0", O_RDONLY) = 3 [pid 713] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 713] unlink("./file0") = -1 EISDIR (Is a directory) [pid 713] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 713] exit_group(0) = ? [pid 713] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=713, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 714 ./strace-static-x86_64: Process 714 attached [pid 714] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 714] setpgid(0, 0) = 0 [pid 714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 714] write(3, "1000", 4) = 4 [pid 714] close(3) = 0 [pid 714] memfd_create("syzkaller", 0) = 3 [pid 714] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 714] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 714] munmap(0x7f26a8533000, 131072) = 0 [pid 714] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 714] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 714] ioctl(4, LOOP_CLR_FD) = 0 [pid 714] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 714] close(4) = 0 [pid 714] close(3) = 0 [pid 714] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 714] open("./file0", O_RDONLY) = 3 [pid 714] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 714] unlink("./file0") = -1 EISDIR (Is a directory) [pid 714] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 714] exit_group(0) = ? [pid 714] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=714, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 715 ./strace-static-x86_64: Process 715 attached [pid 715] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 715] setpgid(0, 0) = 0 [pid 715] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 715] write(3, "1000", 4) = 4 [pid 715] close(3) = 0 [pid 715] memfd_create("syzkaller", 0) = 3 [pid 715] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 715] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 715] munmap(0x7f26a8533000, 131072) = 0 [pid 715] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 715] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 715] ioctl(4, LOOP_CLR_FD) = 0 [pid 715] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 715] close(4) = 0 [pid 715] close(3) = 0 [pid 715] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 715] open("./file0", O_RDONLY) = 3 [pid 715] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 715] unlink("./file0") = -1 EISDIR (Is a directory) [pid 715] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 715] exit_group(0) = ? [pid 715] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=715, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 716 ./strace-static-x86_64: Process 716 attached [pid 716] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 716] setpgid(0, 0) = 0 [pid 716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 716] write(3, "1000", 4) = 4 [pid 716] close(3) = 0 [pid 716] memfd_create("syzkaller", 0) = 3 [pid 716] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 716] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 716] munmap(0x7f26a8533000, 131072) = 0 [pid 716] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 716] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 716] ioctl(4, LOOP_CLR_FD) = 0 [pid 716] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 716] close(4) = 0 [pid 716] close(3) = 0 [pid 716] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 716] open("./file0", O_RDONLY) = 3 [pid 716] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 716] unlink("./file0") = -1 EISDIR (Is a directory) [pid 716] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 716] exit_group(0) = ? [pid 716] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=716, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 717 ./strace-static-x86_64: Process 717 attached [pid 717] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 717] setpgid(0, 0) = 0 [pid 717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 717] write(3, "1000", 4) = 4 [pid 717] close(3) = 0 [pid 717] memfd_create("syzkaller", 0) = 3 [pid 717] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 717] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 717] munmap(0x7f26a8533000, 131072) = 0 [pid 717] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 717] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 717] ioctl(4, LOOP_CLR_FD) = 0 [pid 717] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 717] close(4) = 0 [pid 717] close(3) = 0 [pid 717] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 717] open("./file0", O_RDONLY) = 3 [pid 717] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 717] unlink("./file0") = -1 EISDIR (Is a directory) [pid 717] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 717] exit_group(0) = ? [pid 717] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=717, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 718 ./strace-static-x86_64: Process 718 attached [pid 718] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 718] setpgid(0, 0) = 0 [pid 718] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 718] write(3, "1000", 4) = 4 [pid 718] close(3) = 0 [pid 718] memfd_create("syzkaller", 0) = 3 [pid 718] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 718] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 718] munmap(0x7f26a8533000, 131072) = 0 [pid 718] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 718] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 718] ioctl(4, LOOP_CLR_FD) = 0 [pid 718] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 718] close(4) = 0 [pid 718] close(3) = 0 [pid 718] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 718] open("./file0", O_RDONLY) = 3 [pid 718] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 718] unlink("./file0") = -1 EISDIR (Is a directory) [pid 718] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 718] exit_group(0) = ? [pid 718] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=718, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 719 ./strace-static-x86_64: Process 719 attached [pid 719] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 719] setpgid(0, 0) = 0 [pid 719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 719] write(3, "1000", 4) = 4 [pid 719] close(3) = 0 [pid 719] memfd_create("syzkaller", 0) = 3 [pid 719] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 719] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 719] munmap(0x7f26a8533000, 131072) = 0 [pid 719] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 719] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 719] ioctl(4, LOOP_CLR_FD) = 0 [pid 719] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 719] close(4) = 0 [pid 719] close(3) = 0 [pid 719] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 719] open("./file0", O_RDONLY) = 3 [pid 719] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 719] unlink("./file0") = -1 EISDIR (Is a directory) [pid 719] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 719] exit_group(0) = ? [pid 719] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=719, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 720 ./strace-static-x86_64: Process 720 attached [pid 720] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 720] setpgid(0, 0) = 0 [pid 720] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 720] write(3, "1000", 4) = 4 [pid 720] close(3) = 0 [pid 720] memfd_create("syzkaller", 0) = 3 [pid 720] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 720] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 720] munmap(0x7f26a8533000, 131072) = 0 [pid 720] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 720] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 720] ioctl(4, LOOP_CLR_FD) = 0 [pid 720] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 720] close(4) = 0 [pid 720] close(3) = 0 [pid 720] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 720] open("./file0", O_RDONLY) = 3 [pid 720] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 720] unlink("./file0") = -1 EISDIR (Is a directory) [pid 720] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 720] exit_group(0) = ? [pid 720] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=720, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 721 ./strace-static-x86_64: Process 721 attached [pid 721] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 721] setpgid(0, 0) = 0 [pid 721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 721] write(3, "1000", 4) = 4 [pid 721] close(3) = 0 [pid 721] memfd_create("syzkaller", 0) = 3 [pid 721] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 721] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 721] munmap(0x7f26a8533000, 131072) = 0 [pid 721] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 721] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 721] ioctl(4, LOOP_CLR_FD) = 0 [pid 721] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 721] close(4) = 0 [pid 721] close(3) = 0 [pid 721] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 721] open("./file0", O_RDONLY) = 3 [pid 721] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 721] unlink("./file0") = -1 EISDIR (Is a directory) [pid 721] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 721] exit_group(0) = ? [pid 721] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=721, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 722 ./strace-static-x86_64: Process 722 attached [pid 722] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 722] setpgid(0, 0) = 0 [pid 722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 722] write(3, "1000", 4) = 4 [pid 722] close(3) = 0 [pid 722] memfd_create("syzkaller", 0) = 3 [pid 722] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 722] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 722] munmap(0x7f26a8533000, 131072) = 0 [pid 722] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 722] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 722] ioctl(4, LOOP_CLR_FD) = 0 [pid 722] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 722] close(4) = 0 [pid 722] close(3) = 0 [pid 722] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 722] open("./file0", O_RDONLY) = 3 [pid 722] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 722] unlink("./file0") = -1 EISDIR (Is a directory) [pid 722] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 722] exit_group(0) = ? [pid 722] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=722, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 723 ./strace-static-x86_64: Process 723 attached [pid 723] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 723] setpgid(0, 0) = 0 [pid 723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 723] write(3, "1000", 4) = 4 [pid 723] close(3) = 0 [pid 723] memfd_create("syzkaller", 0) = 3 [pid 723] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 723] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 723] munmap(0x7f26a8533000, 131072) = 0 [pid 723] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 723] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 723] ioctl(4, LOOP_CLR_FD) = 0 [pid 723] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 723] close(4) = 0 [pid 723] close(3) = 0 [pid 723] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 723] open("./file0", O_RDONLY) = 3 [pid 723] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 723] unlink("./file0") = -1 EISDIR (Is a directory) [pid 723] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 723] exit_group(0) = ? [pid 723] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=723, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 724 ./strace-static-x86_64: Process 724 attached [pid 724] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 724] setpgid(0, 0) = 0 [pid 724] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 724] write(3, "1000", 4) = 4 [pid 724] close(3) = 0 [pid 724] memfd_create("syzkaller", 0) = 3 [pid 724] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 724] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 724] munmap(0x7f26a8533000, 131072) = 0 [pid 724] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 724] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 724] ioctl(4, LOOP_CLR_FD) = 0 [pid 724] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 724] close(4) = 0 [pid 724] close(3) = 0 [pid 724] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 724] open("./file0", O_RDONLY) = 3 [pid 724] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 724] unlink("./file0") = -1 EISDIR (Is a directory) [pid 724] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 724] exit_group(0) = ? [pid 724] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=724, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 725 attached , child_tidptr=0x555556e0f5d0) = 725 [pid 725] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 725] setpgid(0, 0) = 0 [pid 725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 725] write(3, "1000", 4) = 4 [pid 725] close(3) = 0 [pid 725] memfd_create("syzkaller", 0) = 3 [pid 725] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 725] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 725] munmap(0x7f26a8533000, 131072) = 0 [pid 725] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 725] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 725] ioctl(4, LOOP_CLR_FD) = 0 [pid 725] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 725] close(4) = 0 [pid 725] close(3) = 0 [pid 725] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 725] open("./file0", O_RDONLY) = 3 [pid 725] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 725] unlink("./file0") = -1 EISDIR (Is a directory) [pid 725] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 725] exit_group(0) = ? [pid 725] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=725, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 726 ./strace-static-x86_64: Process 726 attached [pid 726] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 726] setpgid(0, 0) = 0 [pid 726] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 726] write(3, "1000", 4) = 4 [pid 726] close(3) = 0 [pid 726] memfd_create("syzkaller", 0) = 3 [pid 726] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 726] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 726] munmap(0x7f26a8533000, 131072) = 0 [pid 726] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 726] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 726] ioctl(4, LOOP_CLR_FD) = 0 [pid 726] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 726] close(4) = 0 [pid 726] close(3) = 0 [pid 726] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 726] open("./file0", O_RDONLY) = 3 [pid 726] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 726] unlink("./file0") = -1 EISDIR (Is a directory) [pid 726] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 726] exit_group(0) = ? [pid 726] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=726, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 727 ./strace-static-x86_64: Process 727 attached [pid 727] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 727] setpgid(0, 0) = 0 [pid 727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 727] write(3, "1000", 4) = 4 [pid 727] close(3) = 0 [pid 727] memfd_create("syzkaller", 0) = 3 [pid 727] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 727] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 727] munmap(0x7f26a8533000, 131072) = 0 [pid 727] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 727] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 727] ioctl(4, LOOP_CLR_FD) = 0 [pid 727] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 727] close(4) = 0 [pid 727] close(3) = 0 [pid 727] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 727] open("./file0", O_RDONLY) = 3 [pid 727] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 727] unlink("./file0") = -1 EISDIR (Is a directory) [pid 727] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 727] exit_group(0) = ? [pid 727] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=727, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 728 ./strace-static-x86_64: Process 728 attached [pid 728] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 728] setpgid(0, 0) = 0 [pid 728] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 728] write(3, "1000", 4) = 4 [pid 728] close(3) = 0 [pid 728] memfd_create("syzkaller", 0) = 3 [pid 728] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 728] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 728] munmap(0x7f26a8533000, 131072) = 0 [pid 728] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 728] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 728] ioctl(4, LOOP_CLR_FD) = 0 [pid 728] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 728] close(4) = 0 [pid 728] close(3) = 0 [pid 728] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 728] open("./file0", O_RDONLY) = 3 [pid 728] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 728] unlink("./file0") = -1 EISDIR (Is a directory) [pid 728] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 728] exit_group(0) = ? [pid 728] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=728, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 729 ./strace-static-x86_64: Process 729 attached [pid 729] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 729] setpgid(0, 0) = 0 [pid 729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 729] write(3, "1000", 4) = 4 [pid 729] close(3) = 0 [pid 729] memfd_create("syzkaller", 0) = 3 [pid 729] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 729] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 729] munmap(0x7f26a8533000, 131072) = 0 [pid 729] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 729] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 729] ioctl(4, LOOP_CLR_FD) = 0 [pid 729] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 729] close(4) = 0 [pid 729] close(3) = 0 [pid 729] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 729] open("./file0", O_RDONLY) = 3 [pid 729] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 729] unlink("./file0") = -1 EISDIR (Is a directory) [pid 729] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 729] exit_group(0) = ? [pid 729] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=729, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 730 ./strace-static-x86_64: Process 730 attached [pid 730] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 730] setpgid(0, 0) = 0 [pid 730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 730] write(3, "1000", 4) = 4 [pid 730] close(3) = 0 [pid 730] memfd_create("syzkaller", 0) = 3 [pid 730] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 730] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 730] munmap(0x7f26a8533000, 131072) = 0 [pid 730] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 730] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 730] ioctl(4, LOOP_CLR_FD) = 0 [pid 730] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 730] close(4) = 0 [pid 730] close(3) = 0 [pid 730] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 730] open("./file0", O_RDONLY) = 3 [pid 730] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 730] unlink("./file0") = -1 EISDIR (Is a directory) [pid 730] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 730] exit_group(0) = ? [pid 730] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=730, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 731 ./strace-static-x86_64: Process 731 attached [pid 731] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 731] setpgid(0, 0) = 0 [pid 731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 731] write(3, "1000", 4) = 4 [pid 731] close(3) = 0 [pid 731] memfd_create("syzkaller", 0) = 3 [pid 731] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 731] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 731] munmap(0x7f26a8533000, 131072) = 0 [pid 731] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 731] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 731] ioctl(4, LOOP_CLR_FD) = 0 [pid 731] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 731] close(4) = 0 [pid 731] close(3) = 0 [pid 731] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 731] open("./file0", O_RDONLY) = 3 [pid 731] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 731] unlink("./file0") = -1 EISDIR (Is a directory) [pid 731] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 731] exit_group(0) = ? [pid 731] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=731, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 732 ./strace-static-x86_64: Process 732 attached [pid 732] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 732] setpgid(0, 0) = 0 [pid 732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 732] write(3, "1000", 4) = 4 [pid 732] close(3) = 0 [pid 732] memfd_create("syzkaller", 0) = 3 [pid 732] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 732] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 732] munmap(0x7f26a8533000, 131072) = 0 [pid 732] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 732] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 732] ioctl(4, LOOP_CLR_FD) = 0 [pid 732] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 732] close(4) = 0 [pid 732] close(3) = 0 [pid 732] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 732] open("./file0", O_RDONLY) = 3 [pid 732] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 732] unlink("./file0") = -1 EISDIR (Is a directory) [pid 732] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 732] exit_group(0) = ? [pid 732] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=732, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 733 ./strace-static-x86_64: Process 733 attached [pid 733] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 733] setpgid(0, 0) = 0 [pid 733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 733] write(3, "1000", 4) = 4 [pid 733] close(3) = 0 [pid 733] memfd_create("syzkaller", 0) = 3 [pid 733] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 733] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 733] munmap(0x7f26a8533000, 131072) = 0 [pid 733] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 733] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 733] ioctl(4, LOOP_CLR_FD) = 0 [pid 733] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 733] close(4) = 0 [pid 733] close(3) = 0 [pid 733] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 733] open("./file0", O_RDONLY) = 3 [pid 733] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 733] unlink("./file0") = -1 EISDIR (Is a directory) [pid 733] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 733] exit_group(0) = ? [pid 733] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=733, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 734 ./strace-static-x86_64: Process 734 attached [pid 734] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 734] setpgid(0, 0) = 0 [pid 734] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 734] write(3, "1000", 4) = 4 [pid 734] close(3) = 0 [pid 734] memfd_create("syzkaller", 0) = 3 [pid 734] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 734] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 734] munmap(0x7f26a8533000, 131072) = 0 [pid 734] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 734] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 734] ioctl(4, LOOP_CLR_FD) = 0 [pid 734] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 734] close(4) = 0 [pid 734] close(3) = 0 [pid 734] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 734] open("./file0", O_RDONLY) = 3 [pid 734] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 734] unlink("./file0") = -1 EISDIR (Is a directory) [pid 734] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 734] exit_group(0) = ? [pid 734] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=734, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 735 ./strace-static-x86_64: Process 735 attached [pid 735] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 735] setpgid(0, 0) = 0 [pid 735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 735] write(3, "1000", 4) = 4 [pid 735] close(3) = 0 [pid 735] memfd_create("syzkaller", 0) = 3 [pid 735] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 735] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 735] munmap(0x7f26a8533000, 131072) = 0 [pid 735] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 735] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 735] ioctl(4, LOOP_CLR_FD) = 0 [pid 735] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 735] close(4) = 0 [pid 735] close(3) = 0 [pid 735] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 735] open("./file0", O_RDONLY) = 3 [pid 735] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 735] unlink("./file0") = -1 EISDIR (Is a directory) [pid 735] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 735] exit_group(0) = ? [pid 735] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=735, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 736 ./strace-static-x86_64: Process 736 attached [pid 736] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 736] setpgid(0, 0) = 0 [pid 736] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 736] write(3, "1000", 4) = 4 [pid 736] close(3) = 0 [pid 736] memfd_create("syzkaller", 0) = 3 [pid 736] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 736] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 736] munmap(0x7f26a8533000, 131072) = 0 [pid 736] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 736] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 736] ioctl(4, LOOP_CLR_FD) = 0 [pid 736] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 736] close(4) = 0 [pid 736] close(3) = 0 [pid 736] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 736] open("./file0", O_RDONLY) = 3 [pid 736] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 736] unlink("./file0") = -1 EISDIR (Is a directory) [pid 736] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 736] exit_group(0) = ? [pid 736] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=736, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 737 ./strace-static-x86_64: Process 737 attached [pid 737] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 737] setpgid(0, 0) = 0 [pid 737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 737] write(3, "1000", 4) = 4 [pid 737] close(3) = 0 [pid 737] memfd_create("syzkaller", 0) = 3 [pid 737] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 737] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 737] munmap(0x7f26a8533000, 131072) = 0 [pid 737] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 737] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 737] ioctl(4, LOOP_CLR_FD) = 0 [pid 737] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 737] close(4) = 0 [pid 737] close(3) = 0 [pid 737] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 737] open("./file0", O_RDONLY) = 3 [pid 737] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 737] unlink("./file0") = -1 EISDIR (Is a directory) [pid 737] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 737] exit_group(0) = ? [pid 737] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=737, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 738 ./strace-static-x86_64: Process 738 attached [pid 738] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 738] setpgid(0, 0) = 0 [pid 738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 738] write(3, "1000", 4) = 4 [pid 738] close(3) = 0 [pid 738] memfd_create("syzkaller", 0) = 3 [pid 738] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 738] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 738] munmap(0x7f26a8533000, 131072) = 0 [pid 738] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 738] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 738] ioctl(4, LOOP_CLR_FD) = 0 [pid 738] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 738] close(4) = 0 [pid 738] close(3) = 0 [pid 738] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 738] open("./file0", O_RDONLY) = 3 [pid 738] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 738] unlink("./file0") = -1 EISDIR (Is a directory) [pid 738] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 738] exit_group(0) = ? [pid 738] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=738, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 739 ./strace-static-x86_64: Process 739 attached [pid 739] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 739] setpgid(0, 0) = 0 [pid 739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 739] write(3, "1000", 4) = 4 [pid 739] close(3) = 0 [pid 739] memfd_create("syzkaller", 0) = 3 [pid 739] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 739] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 739] munmap(0x7f26a8533000, 131072) = 0 [pid 739] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 739] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 739] ioctl(4, LOOP_CLR_FD) = 0 [pid 739] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 739] close(4) = 0 [pid 739] close(3) = 0 [pid 739] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 739] open("./file0", O_RDONLY) = 3 [pid 739] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 739] unlink("./file0") = -1 EISDIR (Is a directory) [pid 739] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 739] exit_group(0) = ? [pid 739] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=739, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 740 ./strace-static-x86_64: Process 740 attached [pid 740] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 740] setpgid(0, 0) = 0 [pid 740] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 740] write(3, "1000", 4) = 4 [pid 740] close(3) = 0 [pid 740] memfd_create("syzkaller", 0) = 3 [pid 740] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 740] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 740] munmap(0x7f26a8533000, 131072) = 0 [pid 740] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 740] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 740] ioctl(4, LOOP_CLR_FD) = 0 [pid 740] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 740] close(4) = 0 [pid 740] close(3) = 0 [pid 740] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 740] open("./file0", O_RDONLY) = 3 [pid 740] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 740] unlink("./file0") = -1 EISDIR (Is a directory) [pid 740] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 740] exit_group(0) = ? [pid 740] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=740, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 741 ./strace-static-x86_64: Process 741 attached [pid 741] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 741] setpgid(0, 0) = 0 [pid 741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 741] write(3, "1000", 4) = 4 [pid 741] close(3) = 0 [pid 741] memfd_create("syzkaller", 0) = 3 [pid 741] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 741] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 741] munmap(0x7f26a8533000, 131072) = 0 [pid 741] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 741] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 741] ioctl(4, LOOP_CLR_FD) = 0 [pid 741] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 741] close(4) = 0 [pid 741] close(3) = 0 [pid 741] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 741] open("./file0", O_RDONLY) = 3 [pid 741] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 741] unlink("./file0") = -1 EISDIR (Is a directory) [pid 741] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 741] exit_group(0) = ? [pid 741] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=741, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 742 ./strace-static-x86_64: Process 742 attached [pid 742] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 742] setpgid(0, 0) = 0 [pid 742] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 742] write(3, "1000", 4) = 4 [pid 742] close(3) = 0 [pid 742] memfd_create("syzkaller", 0) = 3 [pid 742] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 742] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 742] munmap(0x7f26a8533000, 131072) = 0 [pid 742] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 742] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 742] ioctl(4, LOOP_CLR_FD) = 0 [pid 742] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 742] close(4) = 0 [pid 742] close(3) = 0 [pid 742] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 742] open("./file0", O_RDONLY) = 3 [pid 742] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 742] unlink("./file0") = -1 EISDIR (Is a directory) [pid 742] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 742] exit_group(0) = ? [pid 742] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=742, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 743 ./strace-static-x86_64: Process 743 attached [pid 743] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 743] setpgid(0, 0) = 0 [pid 743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 743] write(3, "1000", 4) = 4 [pid 743] close(3) = 0 [pid 743] memfd_create("syzkaller", 0) = 3 [pid 743] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 743] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 743] munmap(0x7f26a8533000, 131072) = 0 [pid 743] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 743] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 743] ioctl(4, LOOP_CLR_FD) = 0 [pid 743] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 743] close(4) = 0 [pid 743] close(3) = 0 [pid 743] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 743] open("./file0", O_RDONLY) = 3 [pid 743] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 743] unlink("./file0") = -1 EISDIR (Is a directory) [pid 743] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 743] exit_group(0) = ? [pid 743] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=743, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 744 ./strace-static-x86_64: Process 744 attached [pid 744] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 744] setpgid(0, 0) = 0 [pid 744] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 744] write(3, "1000", 4) = 4 [pid 744] close(3) = 0 [pid 744] memfd_create("syzkaller", 0) = 3 [pid 744] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 744] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 744] munmap(0x7f26a8533000, 131072) = 0 [pid 744] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 744] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 744] ioctl(4, LOOP_CLR_FD) = 0 [pid 744] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 744] close(4) = 0 [pid 744] close(3) = 0 [pid 744] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 744] open("./file0", O_RDONLY) = 3 [pid 744] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 744] unlink("./file0") = -1 EISDIR (Is a directory) [pid 744] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 744] exit_group(0) = ? [pid 744] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=744, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 745 ./strace-static-x86_64: Process 745 attached [pid 745] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 745] setpgid(0, 0) = 0 [pid 745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 745] write(3, "1000", 4) = 4 [pid 745] close(3) = 0 [pid 745] memfd_create("syzkaller", 0) = 3 [pid 745] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 745] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 745] munmap(0x7f26a8533000, 131072) = 0 [pid 745] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 745] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 745] ioctl(4, LOOP_CLR_FD) = 0 [pid 745] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 745] close(4) = 0 [pid 745] close(3) = 0 [pid 745] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 745] open("./file0", O_RDONLY) = 3 [pid 745] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 745] unlink("./file0") = -1 EISDIR (Is a directory) [pid 745] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 745] exit_group(0) = ? [pid 745] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=745, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 746 attached , child_tidptr=0x555556e0f5d0) = 746 [pid 746] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 746] setpgid(0, 0) = 0 [pid 746] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 746] write(3, "1000", 4) = 4 [pid 746] close(3) = 0 [pid 746] memfd_create("syzkaller", 0) = 3 [pid 746] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 746] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 746] munmap(0x7f26a8533000, 131072) = 0 [pid 746] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 746] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 746] ioctl(4, LOOP_CLR_FD) = 0 [pid 746] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 746] close(4) = 0 [pid 746] close(3) = 0 [pid 746] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 746] open("./file0", O_RDONLY) = 3 [pid 746] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 746] unlink("./file0") = -1 EISDIR (Is a directory) [pid 746] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 746] exit_group(0) = ? [pid 746] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=746, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 747 ./strace-static-x86_64: Process 747 attached [pid 747] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 747] setpgid(0, 0) = 0 [pid 747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 747] write(3, "1000", 4) = 4 [pid 747] close(3) = 0 [pid 747] memfd_create("syzkaller", 0) = 3 [pid 747] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 747] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 747] munmap(0x7f26a8533000, 131072) = 0 [pid 747] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 747] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 747] ioctl(4, LOOP_CLR_FD) = 0 [pid 747] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 747] close(4) = 0 [pid 747] close(3) = 0 [pid 747] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 747] open("./file0", O_RDONLY) = 3 [pid 747] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 747] unlink("./file0") = -1 EISDIR (Is a directory) [pid 747] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 747] exit_group(0) = ? [pid 747] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=747, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 748 ./strace-static-x86_64: Process 748 attached [pid 748] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 748] setpgid(0, 0) = 0 [pid 748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 748] write(3, "1000", 4) = 4 [pid 748] close(3) = 0 [pid 748] memfd_create("syzkaller", 0) = 3 [pid 748] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 748] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 748] munmap(0x7f26a8533000, 131072) = 0 [pid 748] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 748] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 748] ioctl(4, LOOP_CLR_FD) = 0 [pid 748] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 748] close(4) = 0 [pid 748] close(3) = 0 [pid 748] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 748] open("./file0", O_RDONLY) = 3 [pid 748] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 748] unlink("./file0") = -1 EISDIR (Is a directory) [pid 748] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 748] exit_group(0) = ? [pid 748] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=748, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 749 ./strace-static-x86_64: Process 749 attached [pid 749] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 749] setpgid(0, 0) = 0 [pid 749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 749] write(3, "1000", 4) = 4 [pid 749] close(3) = 0 [pid 749] memfd_create("syzkaller", 0) = 3 [pid 749] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 749] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 749] munmap(0x7f26a8533000, 131072) = 0 [pid 749] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 749] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 749] ioctl(4, LOOP_CLR_FD) = 0 [pid 749] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 749] close(4) = 0 [pid 749] close(3) = 0 [pid 749] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 749] open("./file0", O_RDONLY) = 3 [pid 749] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 749] unlink("./file0") = -1 EISDIR (Is a directory) [pid 749] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 749] exit_group(0) = ? [pid 749] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=749, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 751 ./strace-static-x86_64: Process 751 attached [pid 751] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 751] setpgid(0, 0) = 0 [pid 751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 751] write(3, "1000", 4) = 4 [pid 751] close(3) = 0 [pid 751] memfd_create("syzkaller", 0) = 3 [pid 751] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 751] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 751] munmap(0x7f26a8533000, 131072) = 0 [pid 751] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 751] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 751] ioctl(4, LOOP_CLR_FD) = 0 [pid 751] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 751] close(4) = 0 [pid 751] close(3) = 0 [pid 751] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 751] open("./file0", O_RDONLY) = 3 [pid 751] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 751] unlink("./file0") = -1 EISDIR (Is a directory) [pid 751] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 751] exit_group(0) = ? [pid 751] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=751, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 752 ./strace-static-x86_64: Process 752 attached [pid 752] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 752] setpgid(0, 0) = 0 [pid 752] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 752] write(3, "1000", 4) = 4 [pid 752] close(3) = 0 [pid 752] memfd_create("syzkaller", 0) = 3 [pid 752] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 752] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 752] munmap(0x7f26a8533000, 131072) = 0 [pid 752] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 752] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 752] ioctl(4, LOOP_CLR_FD) = 0 [pid 752] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 752] close(4) = 0 [pid 752] close(3) = 0 [pid 752] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 752] open("./file0", O_RDONLY) = 3 [pid 752] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 752] unlink("./file0") = -1 EISDIR (Is a directory) [pid 752] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 752] exit_group(0) = ? [pid 752] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=752, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 753 ./strace-static-x86_64: Process 753 attached [pid 753] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 753] setpgid(0, 0) = 0 [pid 753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 753] write(3, "1000", 4) = 4 [pid 753] close(3) = 0 [pid 753] memfd_create("syzkaller", 0) = 3 [pid 753] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 753] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 753] munmap(0x7f26a8533000, 131072) = 0 [pid 753] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 753] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 753] ioctl(4, LOOP_CLR_FD) = 0 [pid 753] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 753] close(4) = 0 [pid 753] close(3) = 0 [pid 753] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 753] open("./file0", O_RDONLY) = 3 [pid 753] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 753] unlink("./file0") = -1 EISDIR (Is a directory) [pid 753] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 753] exit_group(0) = ? [pid 753] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=753, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 754 ./strace-static-x86_64: Process 754 attached [pid 754] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 754] setpgid(0, 0) = 0 [pid 754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 754] write(3, "1000", 4) = 4 [pid 754] close(3) = 0 [pid 754] memfd_create("syzkaller", 0) = 3 [pid 754] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 754] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 754] munmap(0x7f26a8533000, 131072) = 0 [pid 754] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 754] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 754] ioctl(4, LOOP_CLR_FD) = 0 [pid 754] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 754] close(4) = 0 [pid 754] close(3) = 0 [pid 754] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 754] open("./file0", O_RDONLY) = 3 [pid 754] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 754] unlink("./file0") = -1 EISDIR (Is a directory) [pid 754] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 754] exit_group(0) = ? [pid 754] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=754, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 755 ./strace-static-x86_64: Process 755 attached [pid 755] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 755] setpgid(0, 0) = 0 [pid 755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 755] write(3, "1000", 4) = 4 [pid 755] close(3) = 0 [pid 755] memfd_create("syzkaller", 0) = 3 [pid 755] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 755] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 755] munmap(0x7f26a8533000, 131072) = 0 [pid 755] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 755] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 755] ioctl(4, LOOP_CLR_FD) = 0 [pid 755] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 755] close(4) = 0 [pid 755] close(3) = 0 [pid 755] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 755] open("./file0", O_RDONLY) = 3 [pid 755] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 755] unlink("./file0") = -1 EISDIR (Is a directory) [pid 755] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 755] exit_group(0) = ? [pid 755] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=755, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 756 ./strace-static-x86_64: Process 756 attached [pid 756] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 756] setpgid(0, 0) = 0 [pid 756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 756] write(3, "1000", 4) = 4 [pid 756] close(3) = 0 [pid 756] memfd_create("syzkaller", 0) = 3 [pid 756] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 756] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 756] munmap(0x7f26a8533000, 131072) = 0 [pid 756] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 756] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 756] ioctl(4, LOOP_CLR_FD) = 0 [pid 756] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 756] close(4) = 0 [pid 756] close(3) = 0 [pid 756] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 756] open("./file0", O_RDONLY) = 3 [pid 756] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 756] unlink("./file0") = -1 EISDIR (Is a directory) [pid 756] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 756] exit_group(0) = ? [pid 756] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=756, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 757 ./strace-static-x86_64: Process 757 attached [pid 757] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 757] setpgid(0, 0) = 0 [pid 757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 757] write(3, "1000", 4) = 4 [pid 757] close(3) = 0 [pid 757] memfd_create("syzkaller", 0) = 3 [pid 757] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 757] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 757] munmap(0x7f26a8533000, 131072) = 0 [pid 757] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 757] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 757] ioctl(4, LOOP_CLR_FD) = 0 [pid 757] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 757] close(4) = 0 [pid 757] close(3) = 0 [pid 757] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 757] open("./file0", O_RDONLY) = 3 [pid 757] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 757] unlink("./file0") = -1 EISDIR (Is a directory) [pid 757] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 757] exit_group(0) = ? [pid 757] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=757, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 758 ./strace-static-x86_64: Process 758 attached [pid 758] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 758] setpgid(0, 0) = 0 [pid 758] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 758] write(3, "1000", 4) = 4 [pid 758] close(3) = 0 [pid 758] memfd_create("syzkaller", 0) = 3 [pid 758] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 758] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 758] munmap(0x7f26a8533000, 131072) = 0 [pid 758] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 758] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 758] ioctl(4, LOOP_CLR_FD) = 0 [pid 758] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 758] close(4) = 0 [pid 758] close(3) = 0 [pid 758] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 758] open("./file0", O_RDONLY) = 3 [pid 758] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 758] unlink("./file0") = -1 EISDIR (Is a directory) [pid 758] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 758] exit_group(0) = ? [pid 758] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=758, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 759 attached , child_tidptr=0x555556e0f5d0) = 759 [pid 759] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 759] setpgid(0, 0) = 0 [pid 759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 759] write(3, "1000", 4) = 4 [pid 759] close(3) = 0 [pid 759] memfd_create("syzkaller", 0) = 3 [pid 759] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 759] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 759] munmap(0x7f26a8533000, 131072) = 0 [pid 759] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 759] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 759] ioctl(4, LOOP_CLR_FD) = 0 [pid 759] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 759] close(4) = 0 [pid 759] close(3) = 0 [pid 759] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 759] open("./file0", O_RDONLY) = 3 [pid 759] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 759] unlink("./file0") = -1 EISDIR (Is a directory) [pid 759] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 759] exit_group(0) = ? [pid 759] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=759, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 760 ./strace-static-x86_64: Process 760 attached [pid 760] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 760] setpgid(0, 0) = 0 [pid 760] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 760] write(3, "1000", 4) = 4 [pid 760] close(3) = 0 [pid 760] memfd_create("syzkaller", 0) = 3 [pid 760] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 760] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 760] munmap(0x7f26a8533000, 131072) = 0 [pid 760] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 760] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 760] ioctl(4, LOOP_CLR_FD) = 0 [pid 760] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 760] close(4) = 0 [pid 760] close(3) = 0 [pid 760] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 760] open("./file0", O_RDONLY) = 3 [pid 760] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 760] unlink("./file0") = -1 EISDIR (Is a directory) [pid 760] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 760] exit_group(0) = ? [pid 760] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=760, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 761 ./strace-static-x86_64: Process 761 attached [pid 761] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 761] setpgid(0, 0) = 0 [pid 761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 761] write(3, "1000", 4) = 4 [pid 761] close(3) = 0 [pid 761] memfd_create("syzkaller", 0) = 3 [pid 761] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 761] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 761] munmap(0x7f26a8533000, 131072) = 0 [pid 761] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 761] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 761] ioctl(4, LOOP_CLR_FD) = 0 [pid 761] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 761] close(4) = 0 [pid 761] close(3) = 0 [pid 761] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 761] open("./file0", O_RDONLY) = 3 [pid 761] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 761] unlink("./file0") = -1 EISDIR (Is a directory) [pid 761] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 761] exit_group(0) = ? [pid 761] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=761, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 762 ./strace-static-x86_64: Process 762 attached [pid 762] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 762] setpgid(0, 0) = 0 [pid 762] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 762] write(3, "1000", 4) = 4 [pid 762] close(3) = 0 [pid 762] memfd_create("syzkaller", 0) = 3 [pid 762] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 762] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 762] munmap(0x7f26a8533000, 131072) = 0 [pid 762] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 762] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 762] ioctl(4, LOOP_CLR_FD) = 0 [pid 762] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 762] close(4) = 0 [pid 762] close(3) = 0 [pid 762] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 762] open("./file0", O_RDONLY) = 3 [pid 762] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 762] unlink("./file0") = -1 EISDIR (Is a directory) [pid 762] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 762] exit_group(0) = ? [pid 762] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=762, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 763 ./strace-static-x86_64: Process 763 attached [pid 763] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 763] setpgid(0, 0) = 0 [pid 763] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 763] write(3, "1000", 4) = 4 [pid 763] close(3) = 0 [pid 763] memfd_create("syzkaller", 0) = 3 [pid 763] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 763] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 763] munmap(0x7f26a8533000, 131072) = 0 [pid 763] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 763] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 763] ioctl(4, LOOP_CLR_FD) = 0 [pid 763] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 763] close(4) = 0 [pid 763] close(3) = 0 [pid 763] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 763] open("./file0", O_RDONLY) = 3 [pid 763] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 763] unlink("./file0") = -1 EISDIR (Is a directory) [pid 763] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 763] exit_group(0) = ? [pid 763] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=763, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 764 ./strace-static-x86_64: Process 764 attached [pid 764] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 764] setpgid(0, 0) = 0 [pid 764] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 764] write(3, "1000", 4) = 4 [pid 764] close(3) = 0 [pid 764] memfd_create("syzkaller", 0) = 3 [pid 764] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 764] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 764] munmap(0x7f26a8533000, 131072) = 0 [pid 764] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 764] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 764] ioctl(4, LOOP_CLR_FD) = 0 [pid 764] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 764] close(4) = 0 [pid 764] close(3) = 0 [pid 764] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 764] open("./file0", O_RDONLY) = 3 [pid 764] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 764] unlink("./file0") = -1 EISDIR (Is a directory) [pid 764] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 764] exit_group(0) = ? [pid 764] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=764, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 765 ./strace-static-x86_64: Process 765 attached [pid 765] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 765] setpgid(0, 0) = 0 [pid 765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 765] write(3, "1000", 4) = 4 [pid 765] close(3) = 0 [pid 765] memfd_create("syzkaller", 0) = 3 [pid 765] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 765] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 765] munmap(0x7f26a8533000, 131072) = 0 [pid 765] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 765] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 765] ioctl(4, LOOP_CLR_FD) = 0 [pid 765] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 765] close(4) = 0 [pid 765] close(3) = 0 [pid 765] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 765] open("./file0", O_RDONLY) = 3 [pid 765] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 765] unlink("./file0") = -1 EISDIR (Is a directory) [pid 765] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 765] exit_group(0) = ? [pid 765] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=765, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 766 ./strace-static-x86_64: Process 766 attached [pid 766] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 766] setpgid(0, 0) = 0 [pid 766] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 766] write(3, "1000", 4) = 4 [pid 766] close(3) = 0 [pid 766] memfd_create("syzkaller", 0) = 3 [pid 766] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 766] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 766] munmap(0x7f26a8533000, 131072) = 0 [pid 766] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 766] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 766] ioctl(4, LOOP_CLR_FD) = 0 [pid 766] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 766] close(4) = 0 [pid 766] close(3) = 0 [pid 766] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 766] open("./file0", O_RDONLY) = 3 [pid 766] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 766] unlink("./file0") = -1 EISDIR (Is a directory) [pid 766] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 766] exit_group(0) = ? [pid 766] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=766, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 767 ./strace-static-x86_64: Process 767 attached [pid 767] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 767] setpgid(0, 0) = 0 [pid 767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 767] write(3, "1000", 4) = 4 [pid 767] close(3) = 0 [pid 767] memfd_create("syzkaller", 0) = 3 [pid 767] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 767] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 767] munmap(0x7f26a8533000, 131072) = 0 [ 24.917068][ T94] ================================================================== [ 24.924959][ T94] BUG: KASAN: use-after-free in move_expired_inodes+0x181/0x890 [ 24.932420][ T94] Read of size 8 at addr ffff88810f5699e0 by task kworker/u4:2/94 [ 24.940059][ T94] [ 24.942235][ T94] CPU: 0 PID: 94 Comm: kworker/u4:2 Not tainted 5.15.78-syzkaller-00911-gc73b4619ad86 #0 [ 24.951869][ T94] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 24.961756][ T94] Workqueue: writeback wb_workfn (flush-7:0) [ 24.967568][ T94] Call Trace: [ 24.970703][ T94] [ 24.973472][ T94] dump_stack_lvl+0x151/0x1b7 [ 24.977986][ T94] ? bfq_pos_tree_add_move+0x43e/0x43e [ 24.983279][ T94] ? panic+0x727/0x727 [ 24.987186][ T94] ? update_load_avg+0x415/0x8e0 [ 24.991959][ T94] print_address_description+0x87/0x3d0 [ 24.997477][ T94] kasan_report+0x1a6/0x1f0 [ 25.001769][ T94] ? move_expired_inodes+0x181/0x890 [ 25.006888][ T94] ? move_expired_inodes+0x181/0x890 [ 25.012007][ T94] __asan_report_load8_noabort+0x14/0x20 [ 25.017475][ T94] move_expired_inodes+0x181/0x890 [ 25.022426][ T94] ? __writeback_inodes_wb+0x410/0x410 [ 25.027716][ T94] queue_io+0x29f/0x500 [ 25.031709][ T94] wb_writeback+0x3c3/0x9e0 [ 25.036051][ T94] ? inode_cgwb_move_to_attached+0x400/0x400 [ 25.041865][ T94] ? widen_string+0x41/0x3a0 [ 25.046289][ T94] ? __kasan_check_write+0x14/0x20 [ 25.051237][ T94] ? cpumask_next+0x8a/0xb0 [ 25.055579][ T94] wb_do_writeback+0x995/0xbd0 [ 25.060181][ T94] ? wb_workfn+0x3e0/0x3e0 [ 25.064434][ T94] ? __kasan_check_read+0x11/0x20 [ 25.069494][ T94] ? work_busy+0x250/0x250 [ 25.073810][ T94] ? kthread_data+0x52/0xc0 [ 25.078226][ T94] wb_workfn+0xf8/0x3e0 [ 25.082226][ T94] process_one_work+0x6db/0xc00 [ 25.086945][ T94] worker_thread+0xb3e/0x1340 [ 25.091427][ T94] kthread+0x41c/0x500 [ 25.095328][ T94] ? worker_clr_flags+0x180/0x180 [ 25.100195][ T94] ? kthread_blkcg+0xd0/0xd0 [ 25.104625][ T94] ret_from_fork+0x1f/0x30 [ 25.108867][ T94] [ 25.111733][ T94] [ 25.113925][ T94] Allocated by task 408: [ 25.117981][ T94] __kasan_slab_alloc+0xb2/0xe0 [ 25.122666][ T94] kmem_cache_alloc+0x189/0x2f0 [ 25.127350][ T94] fat_alloc_inode+0x1d/0xa0 [ 25.131781][ T94] new_inode_pseudo+0x64/0x220 [ 25.136376][ T94] new_inode+0x28/0x1c0 [ 25.140370][ T94] fat_build_inode+0x1d9/0x3a0 [ 25.144969][ T94] msdos_create+0x480/0x580 [ 25.149312][ T94] path_openat+0x1323/0x2ea0 [ 25.153833][ T94] do_filp_open+0x277/0x4f0 [ 25.158172][ T94] do_sys_openat2+0x13b/0x500 [ 25.162684][ T94] __x64_sys_open+0x221/0x270 [ 25.169130][ T94] do_syscall_64+0x44/0xd0 [ 25.173381][ T94] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 25.179109][ T94] [ 25.181277][ T94] Last potentially related work creation: [ 25.186832][ T94] kasan_save_stack+0x3b/0x60 [ 25.191344][ T94] __kasan_record_aux_stack+0xd3/0xf0 [ 25.196560][ T94] kasan_record_aux_stack_noalloc+0xb/0x10 [ 25.202192][ T94] call_rcu+0x140/0x1400 [ 25.206358][ T94] evict+0x5de/0x630 [ 25.210093][ T94] iput+0x61c/0x7d0 [ 25.213738][ T94] dentry_unlink_inode+0x349/0x430 [ 25.218774][ T94] __dentry_kill+0x3e2/0x5d0 [ 25.223312][ T94] dentry_kill+0xc0/0x2a0 [ 25.227474][ T94] dput+0x175/0x320 [ 25.231118][ T94] __fput+0x65a/0x910 [ 25.234934][ T94] ____fput+0x15/0x20 [ 25.238752][ T94] task_work_run+0x147/0x1b0 [ 25.243181][ T94] do_exit+0x67e/0x24d0 [ 25.247172][ T94] do_group_exit+0x13a/0x300 [ 25.251608][ T94] __x64_sys_exit_group+0x3f/0x40 [ 25.256551][ T94] do_syscall_64+0x44/0xd0 [ 25.260799][ T94] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 25.266528][ T94] [ 25.268704][ T94] The buggy address belongs to the object at ffff88810f569860 [ 25.268704][ T94] which belongs to the cache fat_inode_cache of size 912 [ 25.283028][ T94] The buggy address is located 384 bytes inside of [ 25.283028][ T94] 912-byte region [ffff88810f569860, ffff88810f569bf0) [ 25.296124][ T94] The buggy address belongs to the page: [ 25.301593][ T94] page:ffffea00043d5a00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10f568 [ 25.311662][ T94] head:ffffea00043d5a00 order:2 compound_mapcount:0 compound_pincount:0 [ 25.320357][ T94] flags: 0x4000000000010200(slab|head|zone=1) [ 25.326253][ T94] raw: 4000000000010200 0000000000000000 dead000000000122 ffff888108586d80 [ 25.334844][ T94] raw: 0000000000000000 00000000800f000f 00000001ffffffff 0000000000000000 [ 25.343330][ T94] page dumped because: kasan: bad access detected [ 25.349650][ T94] page_owner tracks the page as allocated [ 25.355204][ T94] page last allocated via order 2, migratetype Reclaimable, gfp_mask 0xd2050(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_RECLAIMABLE), pid 408, ts 19842101469, free_ts 0 [ 25.374223][ T94] post_alloc_hook+0x1ab/0x1b0 [ 25.378981][ T94] get_page_from_freelist+0x38b/0x400 [ 25.384189][ T94] __alloc_pages+0x3a8/0x7c0 [ 25.388732][ T94] allocate_slab+0x62/0x580 [ 25.393072][ T94] ___slab_alloc+0x2e2/0x6f0 [ 25.397882][ T94] __slab_alloc+0x4a/0x90 [ 25.402046][ T94] kmem_cache_alloc+0x205/0x2f0 [ 25.406731][ T94] fat_alloc_inode+0x1d/0xa0 [ 25.411170][ T94] new_inode_pseudo+0x64/0x220 [ 25.415754][ T94] new_inode+0x28/0x1c0 [ 25.419750][ T94] fat_fill_super+0x32c2/0x4b30 [ 25.424434][ T94] msdos_fill_super+0x2e/0x40 [ 25.428949][ T94] mount_bdev+0x280/0x3b0 [ 25.433114][ T94] msdos_mount+0x34/0x40 [ 25.437281][ T94] legacy_get_tree+0xf0/0x190 [ 25.441793][ T94] vfs_get_tree+0x88/0x290 [ 25.446135][ T94] page_owner free stack trace missing [ 25.451341][ T94] [ 25.453509][ T94] Memory state around the buggy address: [ 25.458981][ T94] ffff88810f569880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [pid 767] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 767] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 767] ioctl(4, LOOP_CLR_FD) = 0 [pid 767] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 767] close(4) = 0 [pid 767] close(3) = 0 [pid 767] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 767] open("./file0", O_RDONLY) = 3 [pid 767] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 767] unlink("./file0") = -1 EISDIR (Is a directory) [pid 767] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 767] exit_group(0) = ? [pid 767] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=767, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 [ 25.466968][ T94] ffff88810f569900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 25.474866][ T94] >ffff88810f569980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 25.482945][ T94] ^ [ 25.489966][ T94] ffff88810f569a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 25.497966][ T94] ffff88810f569a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 25.505849][ T94] ================================================================== [ 25.513746][ T94] Disabling lock debugging due to kernel taint clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 768 ./strace-static-x86_64: Process 768 attached [pid 768] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 768] setpgid(0, 0) = 0 [pid 768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 768] write(3, "1000", 4) = 4 [pid 768] close(3) = 0 [pid 768] memfd_create("syzkaller", 0) = 3 [pid 768] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 768] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 768] munmap(0x7f26a8533000, 131072) = 0 [pid 768] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 768] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 768] ioctl(4, LOOP_CLR_FD) = 0 [pid 768] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 768] close(4) = 0 [pid 768] close(3) = 0 [pid 768] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 768] open("./file0", O_RDONLY) = 3 [pid 768] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 768] unlink("./file0") = -1 EISDIR (Is a directory) [pid 768] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 768] exit_group(0) = ? [pid 768] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=768, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 769 ./strace-static-x86_64: Process 769 attached [pid 769] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 769] setpgid(0, 0) = 0 [pid 769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 769] write(3, "1000", 4) = 4 [pid 769] close(3) = 0 [pid 769] memfd_create("syzkaller", 0) = 3 [pid 769] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 769] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 769] munmap(0x7f26a8533000, 131072) = 0 [pid 769] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 769] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 769] ioctl(4, LOOP_CLR_FD) = 0 [pid 769] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 769] close(4) = 0 [pid 769] close(3) = 0 [pid 769] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 769] open("./file0", O_RDONLY) = 3 [pid 769] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 769] unlink("./file0") = -1 EISDIR (Is a directory) [pid 769] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 769] exit_group(0) = ? [pid 769] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=769, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 770 ./strace-static-x86_64: Process 770 attached [pid 770] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 770] setpgid(0, 0) = 0 [pid 770] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 770] write(3, "1000", 4) = 4 [pid 770] close(3) = 0 [pid 770] memfd_create("syzkaller", 0) = 3 [pid 770] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 770] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 770] munmap(0x7f26a8533000, 131072) = 0 [pid 770] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 770] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 770] ioctl(4, LOOP_CLR_FD) = 0 [pid 770] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 770] close(4) = 0 [pid 770] close(3) = 0 [pid 770] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 770] open("./file0", O_RDONLY) = 3 [pid 770] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 770] unlink("./file0") = -1 EISDIR (Is a directory) [pid 770] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 770] exit_group(0) = ? [pid 770] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=770, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 771 ./strace-static-x86_64: Process 771 attached [pid 771] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 771] setpgid(0, 0) = 0 [pid 771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 771] write(3, "1000", 4) = 4 [pid 771] close(3) = 0 [pid 771] memfd_create("syzkaller", 0) = 3 [pid 771] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 771] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 771] munmap(0x7f26a8533000, 131072) = 0 [pid 771] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 771] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 771] ioctl(4, LOOP_CLR_FD) = 0 [pid 771] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 771] close(4) = 0 [pid 771] close(3) = 0 [pid 771] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 771] open("./file0", O_RDONLY) = 3 [pid 771] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 771] unlink("./file0") = -1 EISDIR (Is a directory) [pid 771] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 771] exit_group(0) = ? [pid 771] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=771, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 772 ./strace-static-x86_64: Process 772 attached [pid 772] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 772] setpgid(0, 0) = 0 [pid 772] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 772] write(3, "1000", 4) = 4 [pid 772] close(3) = 0 [pid 772] memfd_create("syzkaller", 0) = 3 [pid 772] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 772] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 772] munmap(0x7f26a8533000, 131072) = 0 [pid 772] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 772] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 772] ioctl(4, LOOP_CLR_FD) = 0 [pid 772] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 772] close(4) = 0 [pid 772] close(3) = 0 [pid 772] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 772] open("./file0", O_RDONLY) = 3 [pid 772] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 772] unlink("./file0") = -1 EISDIR (Is a directory) [pid 772] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 772] exit_group(0) = ? [pid 772] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=772, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 773 ./strace-static-x86_64: Process 773 attached [pid 773] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 773] setpgid(0, 0) = 0 [pid 773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 773] write(3, "1000", 4) = 4 [pid 773] close(3) = 0 [pid 773] memfd_create("syzkaller", 0) = 3 [pid 773] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 773] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 773] munmap(0x7f26a8533000, 131072) = 0 [pid 773] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 773] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 773] ioctl(4, LOOP_CLR_FD) = 0 [pid 773] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 773] close(4) = 0 [pid 773] close(3) = 0 [pid 773] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 773] open("./file0", O_RDONLY) = 3 [pid 773] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 773] unlink("./file0") = -1 EISDIR (Is a directory) [pid 773] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 773] exit_group(0) = ? [pid 773] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=773, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 774 ./strace-static-x86_64: Process 774 attached [pid 774] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 774] setpgid(0, 0) = 0 [pid 774] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 774] write(3, "1000", 4) = 4 [pid 774] close(3) = 0 [pid 774] memfd_create("syzkaller", 0) = 3 [pid 774] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 774] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 774] munmap(0x7f26a8533000, 131072) = 0 [pid 774] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 774] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 774] ioctl(4, LOOP_CLR_FD) = 0 [pid 774] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 774] close(4) = 0 [pid 774] close(3) = 0 [pid 774] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 774] open("./file0", O_RDONLY) = 3 [pid 774] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 774] unlink("./file0") = -1 EISDIR (Is a directory) [pid 774] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 774] exit_group(0) = ? [pid 774] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=774, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 775 ./strace-static-x86_64: Process 775 attached [pid 775] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 775] setpgid(0, 0) = 0 [pid 775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 775] write(3, "1000", 4) = 4 [pid 775] close(3) = 0 [pid 775] memfd_create("syzkaller", 0) = 3 [pid 775] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 775] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 775] munmap(0x7f26a8533000, 131072) = 0 [pid 775] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 775] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 775] ioctl(4, LOOP_CLR_FD) = 0 [pid 775] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 775] close(4) = 0 [pid 775] close(3) = 0 [pid 775] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 775] open("./file0", O_RDONLY) = 3 [pid 775] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 775] unlink("./file0") = -1 EISDIR (Is a directory) [pid 775] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 775] exit_group(0) = ? [pid 775] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=775, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 776 attached [pid 776] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 776] setpgid(0, 0) = 0 [pid 776] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 407] <... clone resumed>, child_tidptr=0x555556e0f5d0) = 776 [pid 776] <... openat resumed>) = 3 [pid 776] write(3, "1000", 4) = 4 [pid 776] close(3) = 0 [pid 776] memfd_create("syzkaller", 0) = 3 [pid 776] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 776] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 776] munmap(0x7f26a8533000, 131072) = 0 [pid 776] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 776] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 776] ioctl(4, LOOP_CLR_FD) = 0 [pid 776] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 776] close(4) = 0 [pid 776] close(3) = 0 [pid 776] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 776] open("./file0", O_RDONLY) = 3 [pid 776] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 776] unlink("./file0") = -1 EISDIR (Is a directory) [pid 776] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 776] exit_group(0) = ? [pid 776] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=776, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 777 attached , child_tidptr=0x555556e0f5d0) = 777 [pid 777] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 777] setpgid(0, 0) = 0 [pid 777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 777] write(3, "1000", 4) = 4 [pid 777] close(3) = 0 [pid 777] memfd_create("syzkaller", 0) = 3 [pid 777] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 777] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 777] munmap(0x7f26a8533000, 131072) = 0 [pid 777] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 777] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 777] ioctl(4, LOOP_CLR_FD) = 0 [pid 777] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 777] close(4) = 0 [pid 777] close(3) = 0 [pid 777] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 777] open("./file0", O_RDONLY) = 3 [pid 777] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 777] unlink("./file0") = -1 EISDIR (Is a directory) [pid 777] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 777] exit_group(0) = ? [pid 777] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=777, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 778 ./strace-static-x86_64: Process 778 attached [pid 778] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 778] setpgid(0, 0) = 0 [pid 778] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 778] write(3, "1000", 4) = 4 [pid 778] close(3) = 0 [pid 778] memfd_create("syzkaller", 0) = 3 [pid 778] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 778] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 778] munmap(0x7f26a8533000, 131072) = 0 [pid 778] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 778] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 778] ioctl(4, LOOP_CLR_FD) = 0 [pid 778] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 778] close(4) = 0 [pid 778] close(3) = 0 [pid 778] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 778] open("./file0", O_RDONLY) = 3 [pid 778] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 778] unlink("./file0") = -1 EISDIR (Is a directory) [pid 778] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 778] exit_group(0) = ? [pid 778] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=778, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 779 ./strace-static-x86_64: Process 779 attached [pid 779] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 779] setpgid(0, 0) = 0 [pid 779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 779] write(3, "1000", 4) = 4 [pid 779] close(3) = 0 [pid 779] memfd_create("syzkaller", 0) = 3 [pid 779] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 779] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 779] munmap(0x7f26a8533000, 131072) = 0 [pid 779] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 779] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 779] ioctl(4, LOOP_CLR_FD) = 0 [pid 779] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 779] close(4) = 0 [pid 779] close(3) = 0 [pid 779] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 779] open("./file0", O_RDONLY) = 3 [pid 779] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 779] unlink("./file0") = -1 EISDIR (Is a directory) [pid 779] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 779] exit_group(0) = ? [pid 779] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=779, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 781 attached , child_tidptr=0x555556e0f5d0) = 781 [pid 781] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 781] setpgid(0, 0) = 0 [pid 781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 781] write(3, "1000", 4) = 4 [pid 781] close(3) = 0 [pid 781] memfd_create("syzkaller", 0) = 3 [pid 781] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 781] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 781] munmap(0x7f26a8533000, 131072) = 0 [pid 781] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 781] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 781] ioctl(4, LOOP_CLR_FD) = 0 [pid 781] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 781] close(4) = 0 [pid 781] close(3) = 0 [pid 781] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 781] open("./file0", O_RDONLY) = 3 [pid 781] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 781] unlink("./file0") = -1 EISDIR (Is a directory) [pid 781] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 781] exit_group(0) = ? [pid 781] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=781, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 782 ./strace-static-x86_64: Process 782 attached [pid 782] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 782] setpgid(0, 0) = 0 [pid 782] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 782] write(3, "1000", 4) = 4 [pid 782] close(3) = 0 [pid 782] memfd_create("syzkaller", 0) = 3 [pid 782] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 782] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 782] munmap(0x7f26a8533000, 131072) = 0 [pid 782] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 782] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 782] ioctl(4, LOOP_CLR_FD) = 0 [pid 782] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 782] close(4) = 0 [pid 782] close(3) = 0 [pid 782] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 782] open("./file0", O_RDONLY) = 3 [pid 782] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 782] unlink("./file0") = -1 EISDIR (Is a directory) [pid 782] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 782] exit_group(0) = ? [pid 782] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=782, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 783 ./strace-static-x86_64: Process 783 attached [pid 783] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 783] setpgid(0, 0) = 0 [pid 783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 783] write(3, "1000", 4) = 4 [pid 783] close(3) = 0 [pid 783] memfd_create("syzkaller", 0) = 3 [pid 783] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 783] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 783] munmap(0x7f26a8533000, 131072) = 0 [pid 783] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 783] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 783] ioctl(4, LOOP_CLR_FD) = 0 [pid 783] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 783] close(4) = 0 [pid 783] close(3) = 0 [pid 783] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 783] open("./file0", O_RDONLY) = 3 [pid 783] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 783] unlink("./file0") = -1 EISDIR (Is a directory) [pid 783] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 783] exit_group(0) = ? [pid 783] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=783, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 784 ./strace-static-x86_64: Process 784 attached [pid 784] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 784] setpgid(0, 0) = 0 [pid 784] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 784] write(3, "1000", 4) = 4 [pid 784] close(3) = 0 [pid 784] memfd_create("syzkaller", 0) = 3 [pid 784] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 784] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 784] munmap(0x7f26a8533000, 131072) = 0 [pid 784] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 784] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 784] ioctl(4, LOOP_CLR_FD) = 0 [pid 784] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 784] close(4) = 0 [pid 784] close(3) = 0 [pid 784] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 784] open("./file0", O_RDONLY) = 3 [pid 784] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 784] unlink("./file0") = -1 EISDIR (Is a directory) [pid 784] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 784] exit_group(0) = ? [pid 784] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=784, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 785 ./strace-static-x86_64: Process 785 attached [pid 785] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 785] setpgid(0, 0) = 0 [pid 785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 785] write(3, "1000", 4) = 4 [pid 785] close(3) = 0 [pid 785] memfd_create("syzkaller", 0) = 3 [pid 785] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 785] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 785] munmap(0x7f26a8533000, 131072) = 0 [pid 785] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 785] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 785] ioctl(4, LOOP_CLR_FD) = 0 [pid 785] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 785] close(4) = 0 [pid 785] close(3) = 0 [pid 785] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 785] open("./file0", O_RDONLY) = 3 [pid 785] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 785] unlink("./file0") = -1 EISDIR (Is a directory) [pid 785] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 785] exit_group(0) = ? [pid 785] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=785, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 786 ./strace-static-x86_64: Process 786 attached [pid 786] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 786] setpgid(0, 0) = 0 [pid 786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 786] write(3, "1000", 4) = 4 [pid 786] close(3) = 0 [pid 786] memfd_create("syzkaller", 0) = 3 [pid 786] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 786] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 786] munmap(0x7f26a8533000, 131072) = 0 [pid 786] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 786] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 786] ioctl(4, LOOP_CLR_FD) = 0 [pid 786] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 786] close(4) = 0 [pid 786] close(3) = 0 [pid 786] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 786] open("./file0", O_RDONLY) = 3 [pid 786] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 786] unlink("./file0") = -1 EISDIR (Is a directory) [pid 786] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 786] exit_group(0) = ? [pid 786] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=786, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 787 ./strace-static-x86_64: Process 787 attached [pid 787] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 787] setpgid(0, 0) = 0 [pid 787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 787] write(3, "1000", 4) = 4 [pid 787] close(3) = 0 [pid 787] memfd_create("syzkaller", 0) = 3 [pid 787] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 787] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 787] munmap(0x7f26a8533000, 131072) = 0 [pid 787] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 787] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 787] ioctl(4, LOOP_CLR_FD) = 0 [pid 787] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 787] close(4) = 0 [pid 787] close(3) = 0 [pid 787] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 787] open("./file0", O_RDONLY) = 3 [pid 787] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 787] unlink("./file0") = -1 EISDIR (Is a directory) [pid 787] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 787] exit_group(0) = ? [pid 787] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=787, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 788 ./strace-static-x86_64: Process 788 attached [pid 788] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 788] setpgid(0, 0) = 0 [pid 788] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 788] write(3, "1000", 4) = 4 [pid 788] close(3) = 0 [pid 788] memfd_create("syzkaller", 0) = 3 [pid 788] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 788] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 788] munmap(0x7f26a8533000, 131072) = 0 [pid 788] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 788] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 788] ioctl(4, LOOP_CLR_FD) = 0 [pid 788] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 788] close(4) = 0 [pid 788] close(3) = 0 [pid 788] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 788] open("./file0", O_RDONLY) = 3 [pid 788] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 788] unlink("./file0") = -1 EISDIR (Is a directory) [pid 788] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 788] exit_group(0) = ? [pid 788] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=788, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 789 attached , child_tidptr=0x555556e0f5d0) = 789 [pid 789] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 789] setpgid(0, 0) = 0 [pid 789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 789] write(3, "1000", 4) = 4 [pid 789] close(3) = 0 [pid 789] memfd_create("syzkaller", 0) = 3 [pid 789] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 789] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 789] munmap(0x7f26a8533000, 131072) = 0 [pid 789] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 789] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 789] ioctl(4, LOOP_CLR_FD) = 0 [pid 789] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 789] close(4) = 0 [pid 789] close(3) = 0 [pid 789] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 789] open("./file0", O_RDONLY) = 3 [pid 789] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 789] unlink("./file0") = -1 EISDIR (Is a directory) [pid 789] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 789] exit_group(0) = ? [pid 789] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=789, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 790 ./strace-static-x86_64: Process 790 attached [pid 790] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 790] setpgid(0, 0) = 0 [pid 790] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 790] write(3, "1000", 4) = 4 [pid 790] close(3) = 0 [pid 790] memfd_create("syzkaller", 0) = 3 [pid 790] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 790] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 790] munmap(0x7f26a8533000, 131072) = 0 [pid 790] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 790] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 790] ioctl(4, LOOP_CLR_FD) = 0 [pid 790] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 790] close(4) = 0 [pid 790] close(3) = 0 [pid 790] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 790] open("./file0", O_RDONLY) = 3 [pid 790] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 790] unlink("./file0") = -1 EISDIR (Is a directory) [pid 790] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 790] exit_group(0) = ? [pid 790] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=790, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 791 ./strace-static-x86_64: Process 791 attached [pid 791] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 791] setpgid(0, 0) = 0 [pid 791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 791] write(3, "1000", 4) = 4 [pid 791] close(3) = 0 [pid 791] memfd_create("syzkaller", 0) = 3 [pid 791] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 791] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 791] munmap(0x7f26a8533000, 131072) = 0 [pid 791] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 791] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 791] ioctl(4, LOOP_CLR_FD) = 0 [pid 791] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 791] close(4) = 0 [pid 791] close(3) = 0 [pid 791] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 791] open("./file0", O_RDONLY) = 3 [pid 791] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 791] unlink("./file0") = -1 EISDIR (Is a directory) [pid 791] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 791] exit_group(0) = ? [pid 791] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=791, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 792 ./strace-static-x86_64: Process 792 attached [pid 792] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 792] setpgid(0, 0) = 0 [pid 792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 792] write(3, "1000", 4) = 4 [pid 792] close(3) = 0 [pid 792] memfd_create("syzkaller", 0) = 3 [pid 792] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 792] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 792] munmap(0x7f26a8533000, 131072) = 0 [pid 792] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 792] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 792] ioctl(4, LOOP_CLR_FD) = 0 [pid 792] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 792] close(4) = 0 [pid 792] close(3) = 0 [pid 792] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 792] open("./file0", O_RDONLY) = 3 [pid 792] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 792] unlink("./file0") = -1 EISDIR (Is a directory) [pid 792] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 792] exit_group(0) = ? [pid 792] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=792, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 793 ./strace-static-x86_64: Process 793 attached [pid 793] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 793] setpgid(0, 0) = 0 [pid 793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 793] write(3, "1000", 4) = 4 [pid 793] close(3) = 0 [pid 793] memfd_create("syzkaller", 0) = 3 [pid 793] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 793] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 793] munmap(0x7f26a8533000, 131072) = 0 [pid 793] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 793] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 793] ioctl(4, LOOP_CLR_FD) = 0 [pid 793] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 793] close(4) = 0 [pid 793] close(3) = 0 [pid 793] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 793] open("./file0", O_RDONLY) = 3 [pid 793] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 793] unlink("./file0") = -1 EISDIR (Is a directory) [pid 793] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 793] exit_group(0) = ? [pid 793] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=793, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 794 ./strace-static-x86_64: Process 794 attached [pid 794] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 794] setpgid(0, 0) = 0 [pid 794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 794] write(3, "1000", 4) = 4 [pid 794] close(3) = 0 [pid 794] memfd_create("syzkaller", 0) = 3 [pid 794] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 794] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 794] munmap(0x7f26a8533000, 131072) = 0 [pid 794] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 794] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 794] ioctl(4, LOOP_CLR_FD) = 0 [pid 794] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 794] close(4) = 0 [pid 794] close(3) = 0 [pid 794] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 794] open("./file0", O_RDONLY) = 3 [pid 794] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 794] unlink("./file0") = -1 EISDIR (Is a directory) [pid 794] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 794] exit_group(0) = ? [pid 794] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=794, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 795 ./strace-static-x86_64: Process 795 attached [pid 795] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 795] setpgid(0, 0) = 0 [pid 795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 795] write(3, "1000", 4) = 4 [pid 795] close(3) = 0 [pid 795] memfd_create("syzkaller", 0) = 3 [pid 795] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 795] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 795] munmap(0x7f26a8533000, 131072) = 0 [pid 795] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 795] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 795] ioctl(4, LOOP_CLR_FD) = 0 [pid 795] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 795] close(4) = 0 [pid 795] close(3) = 0 [pid 795] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 795] open("./file0", O_RDONLY) = 3 [pid 795] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 795] unlink("./file0") = -1 EISDIR (Is a directory) [pid 795] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 795] exit_group(0) = ? [pid 795] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=795, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 796 attached , child_tidptr=0x555556e0f5d0) = 796 [pid 796] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 796] setpgid(0, 0) = 0 [pid 796] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 796] write(3, "1000", 4) = 4 [pid 796] close(3) = 0 [pid 796] memfd_create("syzkaller", 0) = 3 [pid 796] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 796] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 796] munmap(0x7f26a8533000, 131072) = 0 [pid 796] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 796] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 796] ioctl(4, LOOP_CLR_FD) = 0 [pid 796] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 796] close(4) = 0 [pid 796] close(3) = 0 [pid 796] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 796] open("./file0", O_RDONLY) = 3 [pid 796] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 796] unlink("./file0") = -1 EISDIR (Is a directory) [pid 796] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 796] exit_group(0) = ? [pid 796] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=796, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 797 ./strace-static-x86_64: Process 797 attached [pid 797] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 797] setpgid(0, 0) = 0 [pid 797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 797] write(3, "1000", 4) = 4 [pid 797] close(3) = 0 [pid 797] memfd_create("syzkaller", 0) = 3 [pid 797] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 797] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 797] munmap(0x7f26a8533000, 131072) = 0 [pid 797] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 797] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 797] ioctl(4, LOOP_CLR_FD) = 0 [pid 797] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 797] close(4) = 0 [pid 797] close(3) = 0 [pid 797] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 797] open("./file0", O_RDONLY) = 3 [pid 797] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 797] unlink("./file0") = -1 EISDIR (Is a directory) [pid 797] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 797] exit_group(0) = ? [pid 797] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=797, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 798 ./strace-static-x86_64: Process 798 attached [pid 798] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 798] setpgid(0, 0) = 0 [pid 798] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 798] write(3, "1000", 4) = 4 [pid 798] close(3) = 0 [pid 798] memfd_create("syzkaller", 0) = 3 [pid 798] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 798] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 798] munmap(0x7f26a8533000, 131072) = 0 [pid 798] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 798] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 798] ioctl(4, LOOP_CLR_FD) = 0 [pid 798] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 798] close(4) = 0 [pid 798] close(3) = 0 [pid 798] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 798] open("./file0", O_RDONLY) = 3 [pid 798] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 798] unlink("./file0") = -1 EISDIR (Is a directory) [pid 798] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 798] exit_group(0) = ? [pid 798] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=798, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 799 ./strace-static-x86_64: Process 799 attached [pid 799] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 799] setpgid(0, 0) = 0 [pid 799] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 799] write(3, "1000", 4) = 4 [pid 799] close(3) = 0 [pid 799] memfd_create("syzkaller", 0) = 3 [pid 799] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 799] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 799] munmap(0x7f26a8533000, 131072) = 0 [pid 799] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 799] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 799] ioctl(4, LOOP_CLR_FD) = 0 [pid 799] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 799] close(4) = 0 [pid 799] close(3) = 0 [pid 799] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 799] open("./file0", O_RDONLY) = 3 [pid 799] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 799] unlink("./file0") = -1 EISDIR (Is a directory) [pid 799] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 799] exit_group(0) = ? [pid 799] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=799, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 800 attached , child_tidptr=0x555556e0f5d0) = 800 [pid 800] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 800] setpgid(0, 0) = 0 [pid 800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 800] write(3, "1000", 4) = 4 [pid 800] close(3) = 0 [pid 800] memfd_create("syzkaller", 0) = 3 [pid 800] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 800] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 800] munmap(0x7f26a8533000, 131072) = 0 [pid 800] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 800] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 800] ioctl(4, LOOP_CLR_FD) = 0 [pid 800] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 800] close(4) = 0 [pid 800] close(3) = 0 [pid 800] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 800] open("./file0", O_RDONLY) = 3 [pid 800] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 800] unlink("./file0") = -1 EISDIR (Is a directory) [pid 800] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 800] exit_group(0) = ? [pid 800] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=800, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 801 ./strace-static-x86_64: Process 801 attached [pid 801] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 801] setpgid(0, 0) = 0 [pid 801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 801] write(3, "1000", 4) = 4 [pid 801] close(3) = 0 [pid 801] memfd_create("syzkaller", 0) = 3 [pid 801] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 801] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 801] munmap(0x7f26a8533000, 131072) = 0 [pid 801] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 801] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 801] ioctl(4, LOOP_CLR_FD) = 0 [pid 801] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 801] close(4) = 0 [pid 801] close(3) = 0 [pid 801] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 801] open("./file0", O_RDONLY) = 3 [pid 801] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 801] unlink("./file0") = -1 EISDIR (Is a directory) [pid 801] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 801] exit_group(0) = ? [pid 801] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=801, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 802 ./strace-static-x86_64: Process 802 attached [pid 802] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 802] setpgid(0, 0) = 0 [pid 802] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 802] write(3, "1000", 4) = 4 [pid 802] close(3) = 0 [pid 802] memfd_create("syzkaller", 0) = 3 [pid 802] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 802] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 802] munmap(0x7f26a8533000, 131072) = 0 [pid 802] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 802] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 802] ioctl(4, LOOP_CLR_FD) = 0 [pid 802] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 802] close(4) = 0 [pid 802] close(3) = 0 [pid 802] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 802] open("./file0", O_RDONLY) = 3 [pid 802] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 802] unlink("./file0") = -1 EISDIR (Is a directory) [pid 802] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 802] exit_group(0) = ? [pid 802] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=802, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 803 ./strace-static-x86_64: Process 803 attached [pid 803] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 803] setpgid(0, 0) = 0 [pid 803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 803] write(3, "1000", 4) = 4 [pid 803] close(3) = 0 [pid 803] memfd_create("syzkaller", 0) = 3 [pid 803] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 803] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 803] munmap(0x7f26a8533000, 131072) = 0 [pid 803] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 803] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 803] ioctl(4, LOOP_CLR_FD) = 0 [pid 803] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 803] close(4) = 0 [pid 803] close(3) = 0 [pid 803] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 803] open("./file0", O_RDONLY) = 3 [pid 803] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 803] unlink("./file0") = -1 EISDIR (Is a directory) [pid 803] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 803] exit_group(0) = ? [pid 803] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=803, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 804 ./strace-static-x86_64: Process 804 attached [pid 804] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 804] setpgid(0, 0) = 0 [pid 804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 804] write(3, "1000", 4) = 4 [pid 804] close(3) = 0 [pid 804] memfd_create("syzkaller", 0) = 3 [pid 804] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 804] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 804] munmap(0x7f26a8533000, 131072) = 0 [pid 804] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 804] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 804] ioctl(4, LOOP_CLR_FD) = 0 [pid 804] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 804] close(4) = 0 [pid 804] close(3) = 0 [pid 804] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 804] open("./file0", O_RDONLY) = 3 [pid 804] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 804] unlink("./file0") = -1 EISDIR (Is a directory) [pid 804] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 804] exit_group(0) = ? [pid 804] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=804, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 805 ./strace-static-x86_64: Process 805 attached [pid 805] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 805] setpgid(0, 0) = 0 [pid 805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 805] write(3, "1000", 4) = 4 [pid 805] close(3) = 0 [pid 805] memfd_create("syzkaller", 0) = 3 [pid 805] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 805] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 805] munmap(0x7f26a8533000, 131072) = 0 [pid 805] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 805] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 805] ioctl(4, LOOP_CLR_FD) = 0 [pid 805] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 805] close(4) = 0 [pid 805] close(3) = 0 [pid 805] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 805] open("./file0", O_RDONLY) = 3 [pid 805] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 805] unlink("./file0") = -1 EISDIR (Is a directory) [pid 805] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 805] exit_group(0) = ? [pid 805] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=805, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 806 ./strace-static-x86_64: Process 806 attached [pid 806] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 806] setpgid(0, 0) = 0 [pid 806] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 806] write(3, "1000", 4) = 4 [pid 806] close(3) = 0 [pid 806] memfd_create("syzkaller", 0) = 3 [pid 806] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 806] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 806] munmap(0x7f26a8533000, 131072) = 0 [pid 806] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 806] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 806] ioctl(4, LOOP_CLR_FD) = 0 [pid 806] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 806] close(4) = 0 [pid 806] close(3) = 0 [pid 806] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 806] open("./file0", O_RDONLY) = 3 [pid 806] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 806] unlink("./file0") = -1 EISDIR (Is a directory) [pid 806] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 806] exit_group(0) = ? [pid 806] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=806, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 807 attached , child_tidptr=0x555556e0f5d0) = 807 [pid 807] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 807] setpgid(0, 0) = 0 [pid 807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 807] write(3, "1000", 4) = 4 [pid 807] close(3) = 0 [pid 807] memfd_create("syzkaller", 0) = 3 [pid 807] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 807] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 807] munmap(0x7f26a8533000, 131072) = 0 [pid 807] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 807] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 807] ioctl(4, LOOP_CLR_FD) = 0 [pid 807] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 807] close(4) = 0 [pid 807] close(3) = 0 [pid 807] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 807] open("./file0", O_RDONLY) = 3 [pid 807] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 807] unlink("./file0") = -1 EISDIR (Is a directory) [pid 807] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 807] exit_group(0) = ? [pid 807] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=807, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 808 ./strace-static-x86_64: Process 808 attached [pid 808] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 808] setpgid(0, 0) = 0 [pid 808] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 808] write(3, "1000", 4) = 4 [pid 808] close(3) = 0 [pid 808] memfd_create("syzkaller", 0) = 3 [pid 808] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 808] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 808] munmap(0x7f26a8533000, 131072) = 0 [pid 808] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 808] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 808] ioctl(4, LOOP_CLR_FD) = 0 [pid 808] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 808] close(4) = 0 [pid 808] close(3) = 0 [pid 808] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 808] open("./file0", O_RDONLY) = 3 [pid 808] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 808] unlink("./file0") = -1 EISDIR (Is a directory) [pid 808] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 808] exit_group(0) = ? [pid 808] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=808, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 809 ./strace-static-x86_64: Process 809 attached [pid 809] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 809] setpgid(0, 0) = 0 [pid 809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 809] write(3, "1000", 4) = 4 [pid 809] close(3) = 0 [pid 809] memfd_create("syzkaller", 0) = 3 [pid 809] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 809] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 809] munmap(0x7f26a8533000, 131072) = 0 [pid 809] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 809] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 809] ioctl(4, LOOP_CLR_FD) = 0 [pid 809] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 809] close(4) = 0 [pid 809] close(3) = 0 [pid 809] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 809] open("./file0", O_RDONLY) = 3 [pid 809] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 809] unlink("./file0") = -1 EISDIR (Is a directory) [pid 809] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 809] exit_group(0) = ? [pid 809] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=809, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 810 ./strace-static-x86_64: Process 810 attached [pid 810] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 810] setpgid(0, 0) = 0 [pid 810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 810] write(3, "1000", 4) = 4 [pid 810] close(3) = 0 [pid 810] memfd_create("syzkaller", 0) = 3 [pid 810] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 810] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 810] munmap(0x7f26a8533000, 131072) = 0 [pid 810] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 810] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 810] ioctl(4, LOOP_CLR_FD) = 0 [pid 810] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 810] close(4) = 0 [pid 810] close(3) = 0 [pid 810] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 810] open("./file0", O_RDONLY) = 3 [pid 810] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 810] unlink("./file0") = -1 EISDIR (Is a directory) [pid 810] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 810] exit_group(0) = ? [pid 810] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=810, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 811 ./strace-static-x86_64: Process 811 attached [pid 811] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 811] setpgid(0, 0) = 0 [pid 811] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 811] write(3, "1000", 4) = 4 [pid 811] close(3) = 0 [pid 811] memfd_create("syzkaller", 0) = 3 [pid 811] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 811] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 811] munmap(0x7f26a8533000, 131072) = 0 [pid 811] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 811] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 811] ioctl(4, LOOP_CLR_FD) = 0 [pid 811] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 811] close(4) = 0 [pid 811] close(3) = 0 [pid 811] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 811] open("./file0", O_RDONLY) = 3 [pid 811] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 811] unlink("./file0") = -1 EISDIR (Is a directory) [pid 811] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 811] exit_group(0) = ? [pid 811] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=811, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 812 ./strace-static-x86_64: Process 812 attached [pid 812] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 812] setpgid(0, 0) = 0 [pid 812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 812] write(3, "1000", 4) = 4 [pid 812] close(3) = 0 [pid 812] memfd_create("syzkaller", 0) = 3 [pid 812] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 812] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 812] munmap(0x7f26a8533000, 131072) = 0 [pid 812] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 812] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 812] ioctl(4, LOOP_CLR_FD) = 0 [pid 812] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 812] close(4) = 0 [pid 812] close(3) = 0 [pid 812] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 812] open("./file0", O_RDONLY) = 3 [pid 812] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 812] unlink("./file0") = -1 EISDIR (Is a directory) [pid 812] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 812] exit_group(0) = ? [pid 812] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=812, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 813 ./strace-static-x86_64: Process 813 attached [pid 813] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 813] setpgid(0, 0) = 0 [pid 813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 813] write(3, "1000", 4) = 4 [pid 813] close(3) = 0 [pid 813] memfd_create("syzkaller", 0) = 3 [pid 813] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 813] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 813] munmap(0x7f26a8533000, 131072) = 0 [pid 813] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 813] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 813] ioctl(4, LOOP_CLR_FD) = 0 [pid 813] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 813] close(4) = 0 [pid 813] close(3) = 0 [pid 813] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 813] open("./file0", O_RDONLY) = 3 [pid 813] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 813] unlink("./file0") = -1 EISDIR (Is a directory) [pid 813] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 813] exit_group(0) = ? [pid 813] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=813, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 814 ./strace-static-x86_64: Process 814 attached [pid 814] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 814] setpgid(0, 0) = 0 [pid 814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 814] write(3, "1000", 4) = 4 [pid 814] close(3) = 0 [pid 814] memfd_create("syzkaller", 0) = 3 [pid 814] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 814] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 814] munmap(0x7f26a8533000, 131072) = 0 [pid 814] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 814] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 814] ioctl(4, LOOP_CLR_FD) = 0 [pid 814] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 814] close(4) = 0 [pid 814] close(3) = 0 [pid 814] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 814] open("./file0", O_RDONLY) = 3 [pid 814] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 814] unlink("./file0") = -1 EISDIR (Is a directory) [pid 814] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 814] exit_group(0) = ? [pid 814] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=814, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 815 ./strace-static-x86_64: Process 815 attached [pid 815] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 815] setpgid(0, 0) = 0 [pid 815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 815] write(3, "1000", 4) = 4 [pid 815] close(3) = 0 [pid 815] memfd_create("syzkaller", 0) = 3 [pid 815] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 815] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 815] munmap(0x7f26a8533000, 131072) = 0 [pid 815] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 815] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 815] ioctl(4, LOOP_CLR_FD) = 0 [pid 815] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 815] close(4) = 0 [pid 815] close(3) = 0 [pid 815] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 815] open("./file0", O_RDONLY) = 3 [pid 815] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 815] unlink("./file0") = -1 EISDIR (Is a directory) [pid 815] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 815] exit_group(0) = ? [pid 815] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=815, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 816 ./strace-static-x86_64: Process 816 attached [pid 816] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 816] setpgid(0, 0) = 0 [pid 816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 816] write(3, "1000", 4) = 4 [pid 816] close(3) = 0 [pid 816] memfd_create("syzkaller", 0) = 3 [pid 816] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 816] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 816] munmap(0x7f26a8533000, 131072) = 0 [pid 816] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 816] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 816] ioctl(4, LOOP_CLR_FD) = 0 [pid 816] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 816] close(4) = 0 [pid 816] close(3) = 0 [pid 816] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 816] open("./file0", O_RDONLY) = 3 [pid 816] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 816] unlink("./file0") = -1 EISDIR (Is a directory) [pid 816] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 816] exit_group(0) = ? [pid 816] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=816, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 817 ./strace-static-x86_64: Process 817 attached [pid 817] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 817] setpgid(0, 0) = 0 [pid 817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 817] write(3, "1000", 4) = 4 [pid 817] close(3) = 0 [pid 817] memfd_create("syzkaller", 0) = 3 [pid 817] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 817] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 817] munmap(0x7f26a8533000, 131072) = 0 [pid 817] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 817] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 817] ioctl(4, LOOP_CLR_FD) = 0 [pid 817] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 817] close(4) = 0 [pid 817] close(3) = 0 [pid 817] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 817] open("./file0", O_RDONLY) = 3 [pid 817] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 817] unlink("./file0") = -1 EISDIR (Is a directory) [pid 817] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 817] exit_group(0) = ? [pid 817] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=817, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 818 ./strace-static-x86_64: Process 818 attached [pid 818] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 818] setpgid(0, 0) = 0 [pid 818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 818] write(3, "1000", 4) = 4 [pid 818] close(3) = 0 [pid 818] memfd_create("syzkaller", 0) = 3 [pid 818] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 818] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 818] munmap(0x7f26a8533000, 131072) = 0 [pid 818] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 818] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 818] ioctl(4, LOOP_CLR_FD) = 0 [pid 818] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 818] close(4) = 0 [pid 818] close(3) = 0 [pid 818] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 818] open("./file0", O_RDONLY) = 3 [pid 818] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 818] unlink("./file0") = -1 EISDIR (Is a directory) [pid 818] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 818] exit_group(0) = ? [pid 818] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=818, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 819 ./strace-static-x86_64: Process 819 attached [pid 819] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 819] setpgid(0, 0) = 0 [pid 819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 819] write(3, "1000", 4) = 4 [pid 819] close(3) = 0 [pid 819] memfd_create("syzkaller", 0) = 3 [pid 819] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 819] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 819] munmap(0x7f26a8533000, 131072) = 0 [pid 819] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 819] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 819] ioctl(4, LOOP_CLR_FD) = 0 [pid 819] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 819] close(4) = 0 [pid 819] close(3) = 0 [pid 819] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 819] open("./file0", O_RDONLY) = 3 [pid 819] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 819] unlink("./file0") = -1 EISDIR (Is a directory) [pid 819] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 819] exit_group(0) = ? [pid 819] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=819, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 820 ./strace-static-x86_64: Process 820 attached [pid 820] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 820] setpgid(0, 0) = 0 [pid 820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 820] write(3, "1000", 4) = 4 [pid 820] close(3) = 0 [pid 820] memfd_create("syzkaller", 0) = 3 [pid 820] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 820] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 820] munmap(0x7f26a8533000, 131072) = 0 [pid 820] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 820] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 820] ioctl(4, LOOP_CLR_FD) = 0 [pid 820] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 820] close(4) = 0 [pid 820] close(3) = 0 [pid 820] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 820] open("./file0", O_RDONLY) = 3 [pid 820] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 820] unlink("./file0") = -1 EISDIR (Is a directory) [pid 820] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 820] exit_group(0) = ? [pid 820] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=820, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 821 ./strace-static-x86_64: Process 821 attached [pid 821] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 821] setpgid(0, 0) = 0 [pid 821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 821] write(3, "1000", 4) = 4 [pid 821] close(3) = 0 [pid 821] memfd_create("syzkaller", 0) = 3 [pid 821] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 821] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 821] munmap(0x7f26a8533000, 131072) = 0 [pid 821] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 821] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 821] ioctl(4, LOOP_CLR_FD) = 0 [pid 821] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 821] close(4) = 0 [pid 821] close(3) = 0 [pid 821] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 821] open("./file0", O_RDONLY) = 3 [pid 821] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 821] unlink("./file0") = -1 EISDIR (Is a directory) [pid 821] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 821] exit_group(0) = ? [pid 821] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=821, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 822 ./strace-static-x86_64: Process 822 attached [pid 822] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 822] setpgid(0, 0) = 0 [pid 822] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 822] write(3, "1000", 4) = 4 [pid 822] close(3) = 0 [pid 822] memfd_create("syzkaller", 0) = 3 [pid 822] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 822] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 822] munmap(0x7f26a8533000, 131072) = 0 [pid 822] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 822] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 822] ioctl(4, LOOP_CLR_FD) = 0 [pid 822] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 822] close(4) = 0 [pid 822] close(3) = 0 [pid 822] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 822] open("./file0", O_RDONLY) = 3 [pid 822] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 822] unlink("./file0") = -1 EISDIR (Is a directory) [pid 822] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 822] exit_group(0) = ? [pid 822] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=822, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 823 ./strace-static-x86_64: Process 823 attached [pid 823] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 823] setpgid(0, 0) = 0 [pid 823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 823] write(3, "1000", 4) = 4 [pid 823] close(3) = 0 [pid 823] memfd_create("syzkaller", 0) = 3 [pid 823] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 823] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 823] munmap(0x7f26a8533000, 131072) = 0 [pid 823] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 823] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 823] ioctl(4, LOOP_CLR_FD) = 0 [pid 823] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 823] close(4) = 0 [pid 823] close(3) = 0 [pid 823] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 823] open("./file0", O_RDONLY) = 3 [pid 823] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 823] unlink("./file0") = -1 EISDIR (Is a directory) [pid 823] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 823] exit_group(0) = ? [pid 823] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=823, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 824 ./strace-static-x86_64: Process 824 attached [pid 824] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 824] setpgid(0, 0) = 0 [pid 824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 824] write(3, "1000", 4) = 4 [pid 824] close(3) = 0 [pid 824] memfd_create("syzkaller", 0) = 3 [pid 824] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 824] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 824] munmap(0x7f26a8533000, 131072) = 0 [pid 824] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 824] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 824] ioctl(4, LOOP_CLR_FD) = 0 [pid 824] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 824] close(4) = 0 [pid 824] close(3) = 0 [pid 824] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 824] open("./file0", O_RDONLY) = 3 [pid 824] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 824] unlink("./file0") = -1 EISDIR (Is a directory) [pid 824] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 824] exit_group(0) = ? [pid 824] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=824, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 825 ./strace-static-x86_64: Process 825 attached [pid 825] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 825] setpgid(0, 0) = 0 [pid 825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 825] write(3, "1000", 4) = 4 [pid 825] close(3) = 0 [pid 825] memfd_create("syzkaller", 0) = 3 [pid 825] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 825] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 825] munmap(0x7f26a8533000, 131072) = 0 [pid 825] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 825] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 825] ioctl(4, LOOP_CLR_FD) = 0 [pid 825] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 825] close(4) = 0 [pid 825] close(3) = 0 [pid 825] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 825] open("./file0", O_RDONLY) = 3 [pid 825] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 825] unlink("./file0") = -1 EISDIR (Is a directory) [pid 825] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 825] exit_group(0) = ? [pid 825] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=825, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 826 ./strace-static-x86_64: Process 826 attached [pid 826] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 826] setpgid(0, 0) = 0 [pid 826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 826] write(3, "1000", 4) = 4 [pid 826] close(3) = 0 [pid 826] memfd_create("syzkaller", 0) = 3 [pid 826] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 826] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 826] munmap(0x7f26a8533000, 131072) = 0 [pid 826] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 826] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 826] ioctl(4, LOOP_CLR_FD) = 0 [pid 826] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 826] close(4) = 0 [pid 826] close(3) = 0 [pid 826] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 826] open("./file0", O_RDONLY) = 3 [pid 826] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 826] unlink("./file0") = -1 EISDIR (Is a directory) [pid 826] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 826] exit_group(0) = ? [pid 826] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=826, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 827 ./strace-static-x86_64: Process 827 attached [pid 827] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 827] setpgid(0, 0) = 0 [pid 827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 827] write(3, "1000", 4) = 4 [pid 827] close(3) = 0 [pid 827] memfd_create("syzkaller", 0) = 3 [pid 827] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 827] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 827] munmap(0x7f26a8533000, 131072) = 0 [pid 827] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 827] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 827] ioctl(4, LOOP_CLR_FD) = 0 [pid 827] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 827] close(4) = 0 [pid 827] close(3) = 0 [pid 827] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 827] open("./file0", O_RDONLY) = 3 [pid 827] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 827] unlink("./file0") = -1 EISDIR (Is a directory) [pid 827] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 827] exit_group(0) = ? [pid 827] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=827, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 828 ./strace-static-x86_64: Process 828 attached [pid 828] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 828] setpgid(0, 0) = 0 [pid 828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 828] write(3, "1000", 4) = 4 [pid 828] close(3) = 0 [pid 828] memfd_create("syzkaller", 0) = 3 [pid 828] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 828] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 828] munmap(0x7f26a8533000, 131072) = 0 [pid 828] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 828] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 828] ioctl(4, LOOP_CLR_FD) = 0 [pid 828] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 828] close(4) = 0 [pid 828] close(3) = 0 [pid 828] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 828] open("./file0", O_RDONLY) = 3 [pid 828] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 828] unlink("./file0") = -1 EISDIR (Is a directory) [pid 828] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 828] exit_group(0) = ? [pid 828] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=828, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 829 ./strace-static-x86_64: Process 829 attached [pid 829] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 829] setpgid(0, 0) = 0 [pid 829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 829] write(3, "1000", 4) = 4 [pid 829] close(3) = 0 [pid 829] memfd_create("syzkaller", 0) = 3 [pid 829] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 829] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 829] munmap(0x7f26a8533000, 131072) = 0 [pid 829] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 829] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 829] ioctl(4, LOOP_CLR_FD) = 0 [pid 829] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 829] close(4) = 0 [pid 829] close(3) = 0 [pid 829] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 829] open("./file0", O_RDONLY) = 3 [pid 829] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 829] unlink("./file0") = -1 EISDIR (Is a directory) [pid 829] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 829] exit_group(0) = ? [pid 829] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=829, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 830 ./strace-static-x86_64: Process 830 attached [pid 830] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 830] setpgid(0, 0) = 0 [pid 830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 830] write(3, "1000", 4) = 4 [pid 830] close(3) = 0 [pid 830] memfd_create("syzkaller", 0) = 3 [pid 830] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 830] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 830] munmap(0x7f26a8533000, 131072) = 0 [pid 830] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 830] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 830] ioctl(4, LOOP_CLR_FD) = 0 [pid 830] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 830] close(4) = 0 [pid 830] close(3) = 0 [pid 830] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 830] open("./file0", O_RDONLY) = 3 [pid 830] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 830] unlink("./file0") = -1 EISDIR (Is a directory) [pid 830] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 830] exit_group(0) = ? [pid 830] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=830, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 831 ./strace-static-x86_64: Process 831 attached [pid 831] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 831] setpgid(0, 0) = 0 [pid 831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 831] write(3, "1000", 4) = 4 [pid 831] close(3) = 0 [pid 831] memfd_create("syzkaller", 0) = 3 [pid 831] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 831] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 831] munmap(0x7f26a8533000, 131072) = 0 [pid 831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 831] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 831] ioctl(4, LOOP_CLR_FD) = 0 [pid 831] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 831] close(4) = 0 [pid 831] close(3) = 0 [pid 831] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 831] open("./file0", O_RDONLY) = 3 [pid 831] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 831] unlink("./file0") = -1 EISDIR (Is a directory) [pid 831] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 831] exit_group(0) = ? [pid 831] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=831, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 832 ./strace-static-x86_64: Process 832 attached [pid 832] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 832] setpgid(0, 0) = 0 [pid 832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 832] write(3, "1000", 4) = 4 [pid 832] close(3) = 0 [pid 832] memfd_create("syzkaller", 0) = 3 [pid 832] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 832] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 832] munmap(0x7f26a8533000, 131072) = 0 [pid 832] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 832] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 832] ioctl(4, LOOP_CLR_FD) = 0 [pid 832] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 832] close(4) = 0 [pid 832] close(3) = 0 [pid 832] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 832] open("./file0", O_RDONLY) = 3 [pid 832] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 832] unlink("./file0") = -1 EISDIR (Is a directory) [pid 832] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 832] exit_group(0) = ? [pid 832] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=832, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 833 ./strace-static-x86_64: Process 833 attached [pid 833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 833] setpgid(0, 0) = 0 [pid 833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 833] write(3, "1000", 4) = 4 [pid 833] close(3) = 0 [pid 833] memfd_create("syzkaller", 0) = 3 [pid 833] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 833] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 833] munmap(0x7f26a8533000, 131072) = 0 [pid 833] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 833] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 833] ioctl(4, LOOP_CLR_FD) = 0 [pid 833] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 833] close(4) = 0 [pid 833] close(3) = 0 [pid 833] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 833] open("./file0", O_RDONLY) = 3 [pid 833] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 833] unlink("./file0") = -1 EISDIR (Is a directory) [pid 833] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 833] exit_group(0) = ? [pid 833] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=833, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 834 ./strace-static-x86_64: Process 834 attached [pid 834] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 834] setpgid(0, 0) = 0 [pid 834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 834] write(3, "1000", 4) = 4 [pid 834] close(3) = 0 [pid 834] memfd_create("syzkaller", 0) = 3 [pid 834] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 834] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 834] munmap(0x7f26a8533000, 131072) = 0 [pid 834] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 834] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 834] ioctl(4, LOOP_CLR_FD) = 0 [pid 834] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 834] close(4) = 0 [pid 834] close(3) = 0 [pid 834] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 834] open("./file0", O_RDONLY) = 3 [pid 834] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 834] unlink("./file0") = -1 EISDIR (Is a directory) [pid 834] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 834] exit_group(0) = ? [pid 834] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=834, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 835 ./strace-static-x86_64: Process 835 attached [pid 835] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 835] setpgid(0, 0) = 0 [pid 835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 835] write(3, "1000", 4) = 4 [pid 835] close(3) = 0 [pid 835] memfd_create("syzkaller", 0) = 3 [pid 835] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 835] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 835] munmap(0x7f26a8533000, 131072) = 0 [pid 835] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 835] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 835] ioctl(4, LOOP_CLR_FD) = 0 [pid 835] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 835] close(4) = 0 [pid 835] close(3) = 0 [pid 835] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 835] open("./file0", O_RDONLY) = 3 [pid 835] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 835] unlink("./file0") = -1 EISDIR (Is a directory) [pid 835] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 835] exit_group(0) = ? [pid 835] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=835, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 836 attached , child_tidptr=0x555556e0f5d0) = 836 [pid 836] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 836] setpgid(0, 0) = 0 [pid 836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 836] write(3, "1000", 4) = 4 [pid 836] close(3) = 0 [pid 836] memfd_create("syzkaller", 0) = 3 [pid 836] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 836] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 836] munmap(0x7f26a8533000, 131072) = 0 [pid 836] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 836] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 836] ioctl(4, LOOP_CLR_FD) = 0 [pid 836] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 836] close(4) = 0 [pid 836] close(3) = 0 [pid 836] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 836] open("./file0", O_RDONLY) = 3 [pid 836] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 836] unlink("./file0") = -1 EISDIR (Is a directory) [pid 836] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 836] exit_group(0) = ? [pid 836] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=836, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 837 ./strace-static-x86_64: Process 837 attached [pid 837] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 837] setpgid(0, 0) = 0 [pid 837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 837] write(3, "1000", 4) = 4 [pid 837] close(3) = 0 [pid 837] memfd_create("syzkaller", 0) = 3 [pid 837] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 837] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 837] munmap(0x7f26a8533000, 131072) = 0 [pid 837] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 837] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 837] ioctl(4, LOOP_CLR_FD) = 0 [pid 837] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 837] close(4) = 0 [pid 837] close(3) = 0 [pid 837] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 837] open("./file0", O_RDONLY) = 3 [pid 837] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 837] unlink("./file0") = -1 EISDIR (Is a directory) [pid 837] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 837] exit_group(0) = ? [pid 837] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=837, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 838 ./strace-static-x86_64: Process 838 attached [pid 838] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 838] setpgid(0, 0) = 0 [pid 838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 838] write(3, "1000", 4) = 4 [pid 838] close(3) = 0 [pid 838] memfd_create("syzkaller", 0) = 3 [pid 838] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 838] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 838] munmap(0x7f26a8533000, 131072) = 0 [pid 838] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 838] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 838] ioctl(4, LOOP_CLR_FD) = 0 [pid 838] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 838] close(4) = 0 [pid 838] close(3) = 0 [pid 838] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 838] open("./file0", O_RDONLY) = 3 [pid 838] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 838] unlink("./file0") = -1 EISDIR (Is a directory) [pid 838] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 838] exit_group(0) = ? [pid 838] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=838, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 839 attached , child_tidptr=0x555556e0f5d0) = 839 [pid 839] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 839] setpgid(0, 0) = 0 [pid 839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 839] write(3, "1000", 4) = 4 [pid 839] close(3) = 0 [pid 839] memfd_create("syzkaller", 0) = 3 [pid 839] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 839] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 839] munmap(0x7f26a8533000, 131072) = 0 [pid 839] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 839] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 839] ioctl(4, LOOP_CLR_FD) = 0 [pid 839] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 839] close(4) = 0 [pid 839] close(3) = 0 [pid 839] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 839] open("./file0", O_RDONLY) = 3 [pid 839] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 839] unlink("./file0") = -1 EISDIR (Is a directory) [pid 839] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 839] exit_group(0) = ? [pid 839] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=839, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 840 ./strace-static-x86_64: Process 840 attached [pid 840] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 840] setpgid(0, 0) = 0 [pid 840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 840] write(3, "1000", 4) = 4 [pid 840] close(3) = 0 [pid 840] memfd_create("syzkaller", 0) = 3 [pid 840] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 840] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 840] munmap(0x7f26a8533000, 131072) = 0 [pid 840] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 840] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 840] ioctl(4, LOOP_CLR_FD) = 0 [pid 840] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 840] close(4) = 0 [pid 840] close(3) = 0 [pid 840] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 840] open("./file0", O_RDONLY) = 3 [pid 840] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 840] unlink("./file0") = -1 EISDIR (Is a directory) [pid 840] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 840] exit_group(0) = ? [pid 840] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=840, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 841 ./strace-static-x86_64: Process 841 attached [pid 841] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 841] setpgid(0, 0) = 0 [pid 841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 841] write(3, "1000", 4) = 4 [pid 841] close(3) = 0 [pid 841] memfd_create("syzkaller", 0) = 3 [pid 841] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 841] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 841] munmap(0x7f26a8533000, 131072) = 0 [pid 841] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 841] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 841] ioctl(4, LOOP_CLR_FD) = 0 [pid 841] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 841] close(4) = 0 [pid 841] close(3) = 0 [pid 841] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 841] open("./file0", O_RDONLY) = 3 [pid 841] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 841] unlink("./file0") = -1 EISDIR (Is a directory) [pid 841] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 841] exit_group(0) = ? [pid 841] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=841, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 842 attached , child_tidptr=0x555556e0f5d0) = 842 [pid 842] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 842] setpgid(0, 0) = 0 [pid 842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 842] write(3, "1000", 4) = 4 [pid 842] close(3) = 0 [pid 842] memfd_create("syzkaller", 0) = 3 [pid 842] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 842] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 842] munmap(0x7f26a8533000, 131072) = 0 [pid 842] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 842] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 842] ioctl(4, LOOP_CLR_FD) = 0 [pid 842] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 842] close(4) = 0 [pid 842] close(3) = 0 [pid 842] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 842] open("./file0", O_RDONLY) = 3 [pid 842] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 842] unlink("./file0") = -1 EISDIR (Is a directory) [pid 842] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 842] exit_group(0) = ? [pid 842] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=842, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 843 ./strace-static-x86_64: Process 843 attached [pid 843] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 843] setpgid(0, 0) = 0 [pid 843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 843] write(3, "1000", 4) = 4 [pid 843] close(3) = 0 [pid 843] memfd_create("syzkaller", 0) = 3 [pid 843] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 843] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 843] munmap(0x7f26a8533000, 131072) = 0 [pid 843] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 843] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 843] ioctl(4, LOOP_CLR_FD) = 0 [pid 843] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 843] close(4) = 0 [pid 843] close(3) = 0 [pid 843] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 843] open("./file0", O_RDONLY) = 3 [pid 843] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 843] unlink("./file0") = -1 EISDIR (Is a directory) [pid 843] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 843] exit_group(0) = ? [pid 843] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=843, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 844 ./strace-static-x86_64: Process 844 attached [pid 844] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 844] setpgid(0, 0) = 0 [pid 844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 844] write(3, "1000", 4) = 4 [pid 844] close(3) = 0 [pid 844] memfd_create("syzkaller", 0) = 3 [pid 844] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 844] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 844] munmap(0x7f26a8533000, 131072) = 0 [pid 844] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 844] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 844] ioctl(4, LOOP_CLR_FD) = 0 [pid 844] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 844] close(4) = 0 [pid 844] close(3) = 0 [pid 844] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 844] open("./file0", O_RDONLY) = 3 [pid 844] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 844] unlink("./file0") = -1 EISDIR (Is a directory) [pid 844] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 844] exit_group(0) = ? [pid 844] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=844, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 845 attached [pid 845] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 845] setpgid(0, 0 [pid 407] <... clone resumed>, child_tidptr=0x555556e0f5d0) = 845 [pid 845] <... setpgid resumed>) = 0 [pid 845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 845] write(3, "1000", 4) = 4 [pid 845] close(3) = 0 [pid 845] memfd_create("syzkaller", 0) = 3 [pid 845] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 845] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 845] munmap(0x7f26a8533000, 131072) = 0 [pid 845] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 845] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 845] ioctl(4, LOOP_CLR_FD) = 0 [pid 845] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 845] close(4) = 0 [pid 845] close(3) = 0 [pid 845] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 845] open("./file0", O_RDONLY) = 3 [pid 845] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 845] unlink("./file0") = -1 EISDIR (Is a directory) [pid 845] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 845] exit_group(0) = ? [pid 845] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=845, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 846 attached , child_tidptr=0x555556e0f5d0) = 846 [pid 846] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 846] setpgid(0, 0) = 0 [pid 846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 846] write(3, "1000", 4) = 4 [pid 846] close(3) = 0 [pid 846] memfd_create("syzkaller", 0) = 3 [pid 846] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 846] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 846] munmap(0x7f26a8533000, 131072) = 0 [pid 846] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 846] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 846] ioctl(4, LOOP_CLR_FD) = 0 [pid 846] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 846] close(4) = 0 [pid 846] close(3) = 0 [pid 846] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 846] open("./file0", O_RDONLY) = 3 [pid 846] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 846] unlink("./file0") = -1 EISDIR (Is a directory) [pid 846] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 846] exit_group(0) = ? [pid 846] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=846, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 847 ./strace-static-x86_64: Process 847 attached [pid 847] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 847] setpgid(0, 0) = 0 [pid 847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 847] write(3, "1000", 4) = 4 [pid 847] close(3) = 0 [pid 847] memfd_create("syzkaller", 0) = 3 [pid 847] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 847] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 847] munmap(0x7f26a8533000, 131072) = 0 [pid 847] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 847] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 847] ioctl(4, LOOP_CLR_FD) = 0 [pid 847] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 847] close(4) = 0 [pid 847] close(3) = 0 [pid 847] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 847] open("./file0", O_RDONLY) = 3 [pid 847] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 847] unlink("./file0") = -1 EISDIR (Is a directory) [pid 847] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 847] exit_group(0) = ? [pid 847] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=847, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 848 attached , child_tidptr=0x555556e0f5d0) = 848 [pid 848] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 848] setpgid(0, 0) = 0 [pid 848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 848] write(3, "1000", 4) = 4 [pid 848] close(3) = 0 [pid 848] memfd_create("syzkaller", 0) = 3 [pid 848] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 848] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 848] munmap(0x7f26a8533000, 131072) = 0 [pid 848] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 848] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 848] ioctl(4, LOOP_CLR_FD) = 0 [pid 848] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 848] close(4) = 0 [pid 848] close(3) = 0 [pid 848] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 848] open("./file0", O_RDONLY) = 3 [pid 848] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 848] unlink("./file0") = -1 EISDIR (Is a directory) [pid 848] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 848] exit_group(0) = ? [pid 848] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=848, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 849 ./strace-static-x86_64: Process 849 attached [pid 849] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 849] setpgid(0, 0) = 0 [pid 849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 849] write(3, "1000", 4) = 4 [pid 849] close(3) = 0 [pid 849] memfd_create("syzkaller", 0) = 3 [pid 849] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 849] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 849] munmap(0x7f26a8533000, 131072) = 0 [pid 849] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 849] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 849] ioctl(4, LOOP_CLR_FD) = 0 [pid 849] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 849] close(4) = 0 [pid 849] close(3) = 0 [pid 849] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 849] open("./file0", O_RDONLY) = 3 [pid 849] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 849] unlink("./file0") = -1 EISDIR (Is a directory) [pid 849] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 849] exit_group(0) = ? [pid 849] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=849, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 850 attached , child_tidptr=0x555556e0f5d0) = 850 [pid 850] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 850] setpgid(0, 0) = 0 [pid 850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 850] write(3, "1000", 4) = 4 [pid 850] close(3) = 0 [pid 850] memfd_create("syzkaller", 0) = 3 [pid 850] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 850] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 850] munmap(0x7f26a8533000, 131072) = 0 [pid 850] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 850] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 850] ioctl(4, LOOP_CLR_FD) = 0 [pid 850] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 850] close(4) = 0 [pid 850] close(3) = 0 [pid 850] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 850] open("./file0", O_RDONLY) = 3 [pid 850] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 850] unlink("./file0") = -1 EISDIR (Is a directory) [pid 850] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 850] exit_group(0) = ? [pid 850] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=850, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 851 ./strace-static-x86_64: Process 851 attached [pid 851] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 851] setpgid(0, 0) = 0 [pid 851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 851] write(3, "1000", 4) = 4 [pid 851] close(3) = 0 [pid 851] memfd_create("syzkaller", 0) = 3 [pid 851] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 851] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 851] munmap(0x7f26a8533000, 131072) = 0 [pid 851] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 851] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 851] ioctl(4, LOOP_CLR_FD) = 0 [pid 851] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 851] close(4) = 0 [pid 851] close(3) = 0 [pid 851] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 851] open("./file0", O_RDONLY) = 3 [pid 851] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 851] unlink("./file0") = -1 EISDIR (Is a directory) [pid 851] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 851] exit_group(0) = ? [pid 851] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=851, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 852 ./strace-static-x86_64: Process 852 attached [pid 852] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 852] setpgid(0, 0) = 0 [pid 852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 852] write(3, "1000", 4) = 4 [pid 852] close(3) = 0 [pid 852] memfd_create("syzkaller", 0) = 3 [pid 852] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 852] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 852] munmap(0x7f26a8533000, 131072) = 0 [pid 852] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 852] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 852] ioctl(4, LOOP_CLR_FD) = 0 [pid 852] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 852] close(4) = 0 [pid 852] close(3) = 0 [pid 852] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 852] open("./file0", O_RDONLY) = 3 [pid 852] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 852] unlink("./file0") = -1 EISDIR (Is a directory) [pid 852] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 852] exit_group(0) = ? [pid 852] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=852, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 853 attached , child_tidptr=0x555556e0f5d0) = 853 [pid 853] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 853] setpgid(0, 0) = 0 [pid 853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 853] write(3, "1000", 4) = 4 [pid 853] close(3) = 0 [pid 853] memfd_create("syzkaller", 0) = 3 [pid 853] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 853] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 853] munmap(0x7f26a8533000, 131072) = 0 [pid 853] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 853] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 853] ioctl(4, LOOP_CLR_FD) = 0 [pid 853] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 853] close(4) = 0 [pid 853] close(3) = 0 [pid 853] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 853] open("./file0", O_RDONLY) = 3 [pid 853] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 853] unlink("./file0") = -1 EISDIR (Is a directory) [pid 853] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 853] exit_group(0) = ? [pid 853] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=853, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 855 ./strace-static-x86_64: Process 855 attached [pid 855] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 855] setpgid(0, 0) = 0 [pid 855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 855] write(3, "1000", 4) = 4 [pid 855] close(3) = 0 [pid 855] memfd_create("syzkaller", 0) = 3 [pid 855] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 855] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 855] munmap(0x7f26a8533000, 131072) = 0 [pid 855] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 855] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 855] ioctl(4, LOOP_CLR_FD) = 0 [pid 855] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 855] close(4) = 0 [pid 855] close(3) = 0 [pid 855] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 855] open("./file0", O_RDONLY) = 3 [pid 855] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 855] unlink("./file0") = -1 EISDIR (Is a directory) [pid 855] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 855] exit_group(0) = ? [pid 855] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=855, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 856 ./strace-static-x86_64: Process 856 attached [pid 856] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 856] setpgid(0, 0) = 0 [pid 856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 856] write(3, "1000", 4) = 4 [pid 856] close(3) = 0 [pid 856] memfd_create("syzkaller", 0) = 3 [pid 856] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 856] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 856] munmap(0x7f26a8533000, 131072) = 0 [pid 856] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 856] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 856] ioctl(4, LOOP_CLR_FD) = 0 [pid 856] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 856] close(4) = 0 [pid 856] close(3) = 0 [pid 856] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 856] open("./file0", O_RDONLY) = 3 [pid 856] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 856] unlink("./file0") = -1 EISDIR (Is a directory) [pid 856] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 856] exit_group(0) = ? [pid 856] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=856, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 857 ./strace-static-x86_64: Process 857 attached [pid 857] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 857] setpgid(0, 0) = 0 [pid 857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 857] write(3, "1000", 4) = 4 [pid 857] close(3) = 0 [pid 857] memfd_create("syzkaller", 0) = 3 [pid 857] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 857] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 857] munmap(0x7f26a8533000, 131072) = 0 [pid 857] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 857] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 857] ioctl(4, LOOP_CLR_FD) = 0 [pid 857] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 857] close(4) = 0 [pid 857] close(3) = 0 [pid 857] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 857] open("./file0", O_RDONLY) = 3 [pid 857] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 857] unlink("./file0") = -1 EISDIR (Is a directory) [pid 857] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 857] exit_group(0) = ? [pid 857] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=857, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 858 ./strace-static-x86_64: Process 858 attached [pid 858] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 858] setpgid(0, 0) = 0 [pid 858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 858] write(3, "1000", 4) = 4 [pid 858] close(3) = 0 [pid 858] memfd_create("syzkaller", 0) = 3 [pid 858] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 858] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 858] munmap(0x7f26a8533000, 131072) = 0 [pid 858] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 858] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 858] ioctl(4, LOOP_CLR_FD) = 0 [pid 858] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 858] close(4) = 0 [pid 858] close(3) = 0 [pid 858] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 858] open("./file0", O_RDONLY) = 3 [pid 858] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 858] unlink("./file0") = -1 EISDIR (Is a directory) [pid 858] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 858] exit_group(0) = ? [pid 858] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=858, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 859 ./strace-static-x86_64: Process 859 attached [pid 859] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 859] setpgid(0, 0) = 0 [pid 859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 859] write(3, "1000", 4) = 4 [pid 859] close(3) = 0 [pid 859] memfd_create("syzkaller", 0) = 3 [pid 859] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 859] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 859] munmap(0x7f26a8533000, 131072) = 0 [pid 859] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 859] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 859] ioctl(4, LOOP_CLR_FD) = 0 [pid 859] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 859] close(4) = 0 [pid 859] close(3) = 0 [pid 859] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 859] open("./file0", O_RDONLY) = 3 [pid 859] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 859] unlink("./file0") = -1 EISDIR (Is a directory) [pid 859] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 859] exit_group(0) = ? [pid 859] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=859, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 860 ./strace-static-x86_64: Process 860 attached [pid 860] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 860] setpgid(0, 0) = 0 [pid 860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 860] write(3, "1000", 4) = 4 [pid 860] close(3) = 0 [pid 860] memfd_create("syzkaller", 0) = 3 [pid 860] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 860] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 860] munmap(0x7f26a8533000, 131072) = 0 [pid 860] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 860] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 860] ioctl(4, LOOP_CLR_FD) = 0 [pid 860] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 860] close(4) = 0 [pid 860] close(3) = 0 [pid 860] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 860] open("./file0", O_RDONLY) = 3 [pid 860] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 860] unlink("./file0") = -1 EISDIR (Is a directory) [pid 860] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 860] exit_group(0) = ? [pid 860] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=860, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 861 ./strace-static-x86_64: Process 861 attached [pid 861] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 861] setpgid(0, 0) = 0 [pid 861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 861] write(3, "1000", 4) = 4 [pid 861] close(3) = 0 [pid 861] memfd_create("syzkaller", 0) = 3 [pid 861] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 861] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 861] munmap(0x7f26a8533000, 131072) = 0 [pid 861] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 861] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 861] ioctl(4, LOOP_CLR_FD) = 0 [pid 861] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 861] close(4) = 0 [pid 861] close(3) = 0 [pid 861] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 861] open("./file0", O_RDONLY) = 3 [pid 861] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 861] unlink("./file0") = -1 EISDIR (Is a directory) [pid 861] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 861] exit_group(0) = ? [pid 861] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=861, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 862 ./strace-static-x86_64: Process 862 attached [pid 862] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 862] setpgid(0, 0) = 0 [pid 862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 862] write(3, "1000", 4) = 4 [pid 862] close(3) = 0 [pid 862] memfd_create("syzkaller", 0) = 3 [pid 862] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 862] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 862] munmap(0x7f26a8533000, 131072) = 0 [pid 862] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 862] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 862] ioctl(4, LOOP_CLR_FD) = 0 [pid 862] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 862] close(4) = 0 [pid 862] close(3) = 0 [pid 862] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 862] open("./file0", O_RDONLY) = 3 [pid 862] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 862] unlink("./file0") = -1 EISDIR (Is a directory) [pid 862] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 862] exit_group(0) = ? [pid 862] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=862, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 863 ./strace-static-x86_64: Process 863 attached [pid 863] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 863] setpgid(0, 0) = 0 [pid 863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 863] write(3, "1000", 4) = 4 [pid 863] close(3) = 0 [pid 863] memfd_create("syzkaller", 0) = 3 [pid 863] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 863] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 863] munmap(0x7f26a8533000, 131072) = 0 [pid 863] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 863] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 863] ioctl(4, LOOP_CLR_FD) = 0 [pid 863] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 863] close(4) = 0 [pid 863] close(3) = 0 [pid 863] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 863] open("./file0", O_RDONLY) = 3 [pid 863] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 863] unlink("./file0") = -1 EISDIR (Is a directory) [pid 863] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 863] exit_group(0) = ? [pid 863] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=863, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 864 ./strace-static-x86_64: Process 864 attached [pid 864] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 864] setpgid(0, 0) = 0 [pid 864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 864] write(3, "1000", 4) = 4 [pid 864] close(3) = 0 [pid 864] memfd_create("syzkaller", 0) = 3 [pid 864] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 864] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 864] munmap(0x7f26a8533000, 131072) = 0 [pid 864] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 864] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 864] ioctl(4, LOOP_CLR_FD) = 0 [pid 864] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 864] close(4) = 0 [pid 864] close(3) = 0 [pid 864] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 864] open("./file0", O_RDONLY) = 3 [pid 864] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 864] unlink("./file0") = -1 EISDIR (Is a directory) [pid 864] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 864] exit_group(0) = ? [pid 864] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=864, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 865 ./strace-static-x86_64: Process 865 attached [pid 865] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 865] setpgid(0, 0) = 0 [pid 865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 865] write(3, "1000", 4) = 4 [pid 865] close(3) = 0 [pid 865] memfd_create("syzkaller", 0) = 3 [pid 865] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 865] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 865] munmap(0x7f26a8533000, 131072) = 0 [pid 865] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 865] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 865] ioctl(4, LOOP_CLR_FD) = 0 [pid 865] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 865] close(4) = 0 [pid 865] close(3) = 0 [pid 865] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 865] open("./file0", O_RDONLY) = 3 [pid 865] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 865] unlink("./file0") = -1 EISDIR (Is a directory) [pid 865] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 865] exit_group(0) = ? [pid 865] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=865, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 866 ./strace-static-x86_64: Process 866 attached [pid 866] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 866] setpgid(0, 0) = 0 [pid 866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 866] write(3, "1000", 4) = 4 [pid 866] close(3) = 0 [pid 866] memfd_create("syzkaller", 0) = 3 [pid 866] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 866] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 866] munmap(0x7f26a8533000, 131072) = 0 [pid 866] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 866] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 866] ioctl(4, LOOP_CLR_FD) = 0 [pid 866] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 866] close(4) = 0 [pid 866] close(3) = 0 [pid 866] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 866] open("./file0", O_RDONLY) = 3 [pid 866] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 866] unlink("./file0") = -1 EISDIR (Is a directory) [pid 866] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 866] exit_group(0) = ? [pid 866] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=866, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 867 ./strace-static-x86_64: Process 867 attached [pid 867] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 867] setpgid(0, 0) = 0 [pid 867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 867] write(3, "1000", 4) = 4 [pid 867] close(3) = 0 [pid 867] memfd_create("syzkaller", 0) = 3 [pid 867] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 867] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 867] munmap(0x7f26a8533000, 131072) = 0 [pid 867] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 867] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 867] ioctl(4, LOOP_CLR_FD) = 0 [pid 867] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 867] close(4) = 0 [pid 867] close(3) = 0 [pid 867] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 867] open("./file0", O_RDONLY) = 3 [pid 867] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 867] unlink("./file0") = -1 EISDIR (Is a directory) [pid 867] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 867] exit_group(0) = ? [pid 867] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=867, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 868 ./strace-static-x86_64: Process 868 attached [pid 868] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 868] setpgid(0, 0) = 0 [pid 868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 868] write(3, "1000", 4) = 4 [pid 868] close(3) = 0 [pid 868] memfd_create("syzkaller", 0) = 3 [pid 868] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 868] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 868] munmap(0x7f26a8533000, 131072) = 0 [pid 868] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 868] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 868] ioctl(4, LOOP_CLR_FD) = 0 [pid 868] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 868] close(4) = 0 [pid 868] close(3) = 0 [pid 868] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 868] open("./file0", O_RDONLY) = 3 [pid 868] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 868] unlink("./file0") = -1 EISDIR (Is a directory) [pid 868] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 868] exit_group(0) = ? [pid 868] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=868, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 869 ./strace-static-x86_64: Process 869 attached [pid 869] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 869] setpgid(0, 0) = 0 [pid 869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 869] write(3, "1000", 4) = 4 [pid 869] close(3) = 0 [pid 869] memfd_create("syzkaller", 0) = 3 [pid 869] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 869] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 869] munmap(0x7f26a8533000, 131072) = 0 [pid 869] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 869] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 869] ioctl(4, LOOP_CLR_FD) = 0 [pid 869] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 869] close(4) = 0 [pid 869] close(3) = 0 [pid 869] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 869] open("./file0", O_RDONLY) = 3 [pid 869] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 869] unlink("./file0") = -1 EISDIR (Is a directory) [pid 869] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 869] exit_group(0) = ? [pid 869] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=869, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 870 ./strace-static-x86_64: Process 870 attached [pid 870] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 870] setpgid(0, 0) = 0 [pid 870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 870] write(3, "1000", 4) = 4 [pid 870] close(3) = 0 [pid 870] memfd_create("syzkaller", 0) = 3 [pid 870] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 870] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 870] munmap(0x7f26a8533000, 131072) = 0 [pid 870] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 870] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 870] ioctl(4, LOOP_CLR_FD) = 0 [pid 870] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 870] close(4) = 0 [pid 870] close(3) = 0 [pid 870] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 870] open("./file0", O_RDONLY) = 3 [pid 870] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 870] unlink("./file0") = -1 EISDIR (Is a directory) [pid 870] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 870] exit_group(0) = ? [pid 870] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=870, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 871 attached , child_tidptr=0x555556e0f5d0) = 871 [pid 871] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 871] setpgid(0, 0) = 0 [pid 871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 871] write(3, "1000", 4) = 4 [pid 871] close(3) = 0 [pid 871] memfd_create("syzkaller", 0) = 3 [pid 871] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 871] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 871] munmap(0x7f26a8533000, 131072) = 0 [pid 871] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 871] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 871] ioctl(4, LOOP_CLR_FD) = 0 [pid 871] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 871] close(4) = 0 [pid 871] close(3) = 0 [pid 871] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 871] open("./file0", O_RDONLY) = 3 [pid 871] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 871] unlink("./file0") = -1 EISDIR (Is a directory) [pid 871] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 871] exit_group(0) = ? [pid 871] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=871, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 872 ./strace-static-x86_64: Process 872 attached [pid 872] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 872] setpgid(0, 0) = 0 [pid 872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 872] write(3, "1000", 4) = 4 [pid 872] close(3) = 0 [pid 872] memfd_create("syzkaller", 0) = 3 [pid 872] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 872] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 872] munmap(0x7f26a8533000, 131072) = 0 [pid 872] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 872] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 872] ioctl(4, LOOP_CLR_FD) = 0 [pid 872] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 872] close(4) = 0 [pid 872] close(3) = 0 [pid 872] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 872] open("./file0", O_RDONLY) = 3 [pid 872] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 872] unlink("./file0") = -1 EISDIR (Is a directory) [pid 872] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 872] exit_group(0) = ? [pid 872] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=872, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 873 ./strace-static-x86_64: Process 873 attached [pid 873] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 873] setpgid(0, 0) = 0 [pid 873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 873] write(3, "1000", 4) = 4 [pid 873] close(3) = 0 [pid 873] memfd_create("syzkaller", 0) = 3 [pid 873] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 873] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 873] munmap(0x7f26a8533000, 131072) = 0 [pid 873] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 873] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 873] ioctl(4, LOOP_CLR_FD) = 0 [pid 873] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 873] close(4) = 0 [pid 873] close(3) = 0 [pid 873] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 873] open("./file0", O_RDONLY) = 3 [pid 873] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 873] unlink("./file0") = -1 EISDIR (Is a directory) [pid 873] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 873] exit_group(0) = ? [pid 873] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=873, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 874 ./strace-static-x86_64: Process 874 attached [pid 874] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 874] setpgid(0, 0) = 0 [pid 874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 874] write(3, "1000", 4) = 4 [pid 874] close(3) = 0 [pid 874] memfd_create("syzkaller", 0) = 3 [pid 874] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 874] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 874] munmap(0x7f26a8533000, 131072) = 0 [pid 874] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 874] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 874] ioctl(4, LOOP_CLR_FD) = 0 [pid 874] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 874] close(4) = 0 [pid 874] close(3) = 0 [pid 874] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 874] open("./file0", O_RDONLY) = 3 [pid 874] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 874] unlink("./file0") = -1 EISDIR (Is a directory) [pid 874] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 874] exit_group(0) = ? [pid 874] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=874, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 875 ./strace-static-x86_64: Process 875 attached [pid 875] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 875] setpgid(0, 0) = 0 [pid 875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 875] write(3, "1000", 4) = 4 [pid 875] close(3) = 0 [pid 875] memfd_create("syzkaller", 0) = 3 [pid 875] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 875] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 875] munmap(0x7f26a8533000, 131072) = 0 [pid 875] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 875] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 875] ioctl(4, LOOP_CLR_FD) = 0 [pid 875] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 875] close(4) = 0 [pid 875] close(3) = 0 [pid 875] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 875] open("./file0", O_RDONLY) = 3 [pid 875] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 875] unlink("./file0") = -1 EISDIR (Is a directory) [pid 875] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 875] exit_group(0) = ? [pid 875] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=875, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 876 ./strace-static-x86_64: Process 876 attached [pid 876] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 876] setpgid(0, 0) = 0 [pid 876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 876] write(3, "1000", 4) = 4 [pid 876] close(3) = 0 [pid 876] memfd_create("syzkaller", 0) = 3 [pid 876] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 876] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 876] munmap(0x7f26a8533000, 131072) = 0 [pid 876] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 876] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 876] ioctl(4, LOOP_CLR_FD) = 0 [pid 876] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 876] close(4) = 0 [pid 876] close(3) = 0 [pid 876] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 876] open("./file0", O_RDONLY) = 3 [pid 876] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 876] unlink("./file0") = -1 EISDIR (Is a directory) [pid 876] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 876] exit_group(0) = ? [pid 876] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=876, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 877 ./strace-static-x86_64: Process 877 attached [pid 877] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 877] setpgid(0, 0) = 0 [pid 877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 877] write(3, "1000", 4) = 4 [pid 877] close(3) = 0 [pid 877] memfd_create("syzkaller", 0) = 3 [pid 877] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 877] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 877] munmap(0x7f26a8533000, 131072) = 0 [pid 877] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 877] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 877] ioctl(4, LOOP_CLR_FD) = 0 [pid 877] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 877] close(4) = 0 [pid 877] close(3) = 0 [pid 877] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 877] open("./file0", O_RDONLY) = 3 [pid 877] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 877] unlink("./file0") = -1 EISDIR (Is a directory) [pid 877] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 877] exit_group(0) = ? [pid 877] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=877, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 878 ./strace-static-x86_64: Process 878 attached [pid 878] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 878] setpgid(0, 0) = 0 [pid 878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 878] write(3, "1000", 4) = 4 [pid 878] close(3) = 0 [pid 878] memfd_create("syzkaller", 0) = 3 [pid 878] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 878] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 878] munmap(0x7f26a8533000, 131072) = 0 [pid 878] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 878] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 878] ioctl(4, LOOP_CLR_FD) = 0 [pid 878] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 878] close(4) = 0 [pid 878] close(3) = 0 [pid 878] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 878] open("./file0", O_RDONLY) = 3 [pid 878] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 878] unlink("./file0") = -1 EISDIR (Is a directory) [pid 878] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 878] exit_group(0) = ? [pid 878] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=878, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 879 ./strace-static-x86_64: Process 879 attached [pid 879] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 879] setpgid(0, 0) = 0 [pid 879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 879] write(3, "1000", 4) = 4 [pid 879] close(3) = 0 [pid 879] memfd_create("syzkaller", 0) = 3 [pid 879] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 879] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 879] munmap(0x7f26a8533000, 131072) = 0 [pid 879] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 879] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 879] ioctl(4, LOOP_CLR_FD) = 0 [pid 879] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 879] close(4) = 0 [pid 879] close(3) = 0 [pid 879] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 879] open("./file0", O_RDONLY) = 3 [pid 879] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 879] unlink("./file0") = -1 EISDIR (Is a directory) [pid 879] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 879] exit_group(0) = ? [pid 879] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=879, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 880 ./strace-static-x86_64: Process 880 attached [pid 880] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 880] setpgid(0, 0) = 0 [pid 880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 880] write(3, "1000", 4) = 4 [pid 880] close(3) = 0 [pid 880] memfd_create("syzkaller", 0) = 3 [pid 880] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 880] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 880] munmap(0x7f26a8533000, 131072) = 0 [pid 880] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 880] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 880] ioctl(4, LOOP_CLR_FD) = 0 [pid 880] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 880] close(4) = 0 [pid 880] close(3) = 0 [pid 880] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 880] open("./file0", O_RDONLY) = 3 [pid 880] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 880] unlink("./file0") = -1 EISDIR (Is a directory) [pid 880] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 880] exit_group(0) = ? [pid 880] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=880, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 881 ./strace-static-x86_64: Process 881 attached [pid 881] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 881] setpgid(0, 0) = 0 [pid 881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 881] write(3, "1000", 4) = 4 [pid 881] close(3) = 0 [pid 881] memfd_create("syzkaller", 0) = 3 [pid 881] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 881] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 881] munmap(0x7f26a8533000, 131072) = 0 [pid 881] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 881] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 881] ioctl(4, LOOP_CLR_FD) = 0 [pid 881] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 881] close(4) = 0 [pid 881] close(3) = 0 [pid 881] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 881] open("./file0", O_RDONLY) = 3 [pid 881] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 881] unlink("./file0") = -1 EISDIR (Is a directory) [pid 881] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 881] exit_group(0) = ? [pid 881] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=881, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 882 ./strace-static-x86_64: Process 882 attached [pid 882] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 882] setpgid(0, 0) = 0 [pid 882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 882] write(3, "1000", 4) = 4 [pid 882] close(3) = 0 [pid 882] memfd_create("syzkaller", 0) = 3 [pid 882] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 882] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 882] munmap(0x7f26a8533000, 131072) = 0 [pid 882] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 882] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 882] ioctl(4, LOOP_CLR_FD) = 0 [pid 882] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 882] close(4) = 0 [pid 882] close(3) = 0 [pid 882] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 882] open("./file0", O_RDONLY) = 3 [pid 882] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 882] unlink("./file0") = -1 EISDIR (Is a directory) [pid 882] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 882] exit_group(0) = ? [pid 882] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=882, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 883 ./strace-static-x86_64: Process 883 attached [pid 883] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 883] setpgid(0, 0) = 0 [pid 883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 883] write(3, "1000", 4) = 4 [pid 883] close(3) = 0 [pid 883] memfd_create("syzkaller", 0) = 3 [pid 883] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 883] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 883] munmap(0x7f26a8533000, 131072) = 0 [pid 883] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 883] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 883] ioctl(4, LOOP_CLR_FD) = 0 [pid 883] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 883] close(4) = 0 [pid 883] close(3) = 0 [pid 883] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 883] open("./file0", O_RDONLY) = 3 [pid 883] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 883] unlink("./file0") = -1 EISDIR (Is a directory) [pid 883] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 883] exit_group(0) = ? [pid 883] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=883, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 884 ./strace-static-x86_64: Process 884 attached [pid 884] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 884] setpgid(0, 0) = 0 [pid 884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 884] write(3, "1000", 4) = 4 [pid 884] close(3) = 0 [pid 884] memfd_create("syzkaller", 0) = 3 [pid 884] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 884] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 884] munmap(0x7f26a8533000, 131072) = 0 [pid 884] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 884] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 884] ioctl(4, LOOP_CLR_FD) = 0 [pid 884] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 884] close(4) = 0 [pid 884] close(3) = 0 [pid 884] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 884] open("./file0", O_RDONLY) = 3 [pid 884] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 884] unlink("./file0") = -1 EISDIR (Is a directory) [pid 884] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 884] exit_group(0) = ? [pid 884] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=884, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 885 ./strace-static-x86_64: Process 885 attached [pid 885] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 885] setpgid(0, 0) = 0 [pid 885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 885] write(3, "1000", 4) = 4 [pid 885] close(3) = 0 [pid 885] memfd_create("syzkaller", 0) = 3 [pid 885] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 885] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 885] munmap(0x7f26a8533000, 131072) = 0 [pid 885] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 885] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 885] ioctl(4, LOOP_CLR_FD) = 0 [pid 885] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 885] close(4) = 0 [pid 885] close(3) = 0 [pid 885] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 885] open("./file0", O_RDONLY) = 3 [pid 885] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 885] unlink("./file0") = -1 EISDIR (Is a directory) [pid 885] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 885] exit_group(0) = ? [pid 885] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=885, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 886 ./strace-static-x86_64: Process 886 attached [pid 886] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 886] setpgid(0, 0) = 0 [pid 886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 886] write(3, "1000", 4) = 4 [pid 886] close(3) = 0 [pid 886] memfd_create("syzkaller", 0) = 3 [pid 886] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 886] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 886] munmap(0x7f26a8533000, 131072) = 0 [pid 886] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 886] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 886] ioctl(4, LOOP_CLR_FD) = 0 [pid 886] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 886] close(4) = 0 [pid 886] close(3) = 0 [pid 886] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 886] open("./file0", O_RDONLY) = 3 [pid 886] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 886] unlink("./file0") = -1 EISDIR (Is a directory) [pid 886] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 886] exit_group(0) = ? [pid 886] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=886, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 887 ./strace-static-x86_64: Process 887 attached [pid 887] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 887] setpgid(0, 0) = 0 [pid 887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 887] write(3, "1000", 4) = 4 [pid 887] close(3) = 0 [pid 887] memfd_create("syzkaller", 0) = 3 [pid 887] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 887] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 887] munmap(0x7f26a8533000, 131072) = 0 [pid 887] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 887] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 887] ioctl(4, LOOP_CLR_FD) = 0 [pid 887] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 887] close(4) = 0 [pid 887] close(3) = 0 [pid 887] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 887] open("./file0", O_RDONLY) = 3 [pid 887] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 887] unlink("./file0") = -1 EISDIR (Is a directory) [pid 887] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 887] exit_group(0) = ? [pid 887] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=887, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 888 ./strace-static-x86_64: Process 888 attached [pid 888] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 888] setpgid(0, 0) = 0 [pid 888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 888] write(3, "1000", 4) = 4 [pid 888] close(3) = 0 [pid 888] memfd_create("syzkaller", 0) = 3 [pid 888] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 888] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 888] munmap(0x7f26a8533000, 131072) = 0 [pid 888] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 888] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 888] ioctl(4, LOOP_CLR_FD) = 0 [pid 888] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 888] close(4) = 0 [pid 888] close(3) = 0 [pid 888] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 888] open("./file0", O_RDONLY) = 3 [pid 888] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 888] unlink("./file0") = -1 EISDIR (Is a directory) [pid 888] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 888] exit_group(0) = ? [pid 888] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=888, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 889 ./strace-static-x86_64: Process 889 attached [pid 889] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 889] setpgid(0, 0) = 0 [pid 889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 889] write(3, "1000", 4) = 4 [pid 889] close(3) = 0 [pid 889] memfd_create("syzkaller", 0) = 3 [pid 889] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 889] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 889] munmap(0x7f26a8533000, 131072) = 0 [pid 889] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 889] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 889] ioctl(4, LOOP_CLR_FD) = 0 [pid 889] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 889] close(4) = 0 [pid 889] close(3) = 0 [pid 889] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 889] open("./file0", O_RDONLY) = 3 [pid 889] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 889] unlink("./file0") = -1 EISDIR (Is a directory) [pid 889] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 889] exit_group(0) = ? [pid 889] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=889, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 890 ./strace-static-x86_64: Process 890 attached [pid 890] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 890] setpgid(0, 0) = 0 [pid 890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 890] write(3, "1000", 4) = 4 [pid 890] close(3) = 0 [pid 890] memfd_create("syzkaller", 0) = 3 [pid 890] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 890] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 890] munmap(0x7f26a8533000, 131072) = 0 [pid 890] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 890] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 890] ioctl(4, LOOP_CLR_FD) = 0 [pid 890] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 890] close(4) = 0 [pid 890] close(3) = 0 [pid 890] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 890] open("./file0", O_RDONLY) = 3 [pid 890] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 890] unlink("./file0") = -1 EISDIR (Is a directory) [pid 890] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 890] exit_group(0) = ? [pid 890] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=890, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 891 ./strace-static-x86_64: Process 891 attached [pid 891] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 891] setpgid(0, 0) = 0 [pid 891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 891] write(3, "1000", 4) = 4 [pid 891] close(3) = 0 [pid 891] memfd_create("syzkaller", 0) = 3 [pid 891] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 891] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 891] munmap(0x7f26a8533000, 131072) = 0 [pid 891] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 891] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 891] ioctl(4, LOOP_CLR_FD) = 0 [pid 891] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 891] close(4) = 0 [pid 891] close(3) = 0 [pid 891] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 891] open("./file0", O_RDONLY) = 3 [pid 891] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 891] unlink("./file0") = -1 EISDIR (Is a directory) [pid 891] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 891] exit_group(0) = ? [pid 891] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=891, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 892 ./strace-static-x86_64: Process 892 attached [pid 892] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 892] setpgid(0, 0) = 0 [pid 892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 892] write(3, "1000", 4) = 4 [pid 892] close(3) = 0 [pid 892] memfd_create("syzkaller", 0) = 3 [pid 892] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 892] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 892] munmap(0x7f26a8533000, 131072) = 0 [pid 892] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 892] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 892] ioctl(4, LOOP_CLR_FD) = 0 [pid 892] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 892] close(4) = 0 [pid 892] close(3) = 0 [pid 892] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 892] open("./file0", O_RDONLY) = 3 [pid 892] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 892] unlink("./file0") = -1 EISDIR (Is a directory) [pid 892] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 892] exit_group(0) = ? [pid 892] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=892, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 893 ./strace-static-x86_64: Process 893 attached [pid 893] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 893] setpgid(0, 0) = 0 [pid 893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 893] write(3, "1000", 4) = 4 [pid 893] close(3) = 0 [pid 893] memfd_create("syzkaller", 0) = 3 [pid 893] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 893] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 893] munmap(0x7f26a8533000, 131072) = 0 [pid 893] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 893] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 893] ioctl(4, LOOP_CLR_FD) = 0 [pid 893] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 893] close(4) = 0 [pid 893] close(3) = 0 [pid 893] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 893] open("./file0", O_RDONLY) = 3 [pid 893] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 893] unlink("./file0") = -1 EISDIR (Is a directory) [pid 893] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 893] exit_group(0) = ? [pid 893] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=893, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 894 ./strace-static-x86_64: Process 894 attached [pid 894] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 894] setpgid(0, 0) = 0 [pid 894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 894] write(3, "1000", 4) = 4 [pid 894] close(3) = 0 [pid 894] memfd_create("syzkaller", 0) = 3 [pid 894] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 894] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 894] munmap(0x7f26a8533000, 131072) = 0 [pid 894] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 894] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 894] ioctl(4, LOOP_CLR_FD) = 0 [pid 894] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 894] close(4) = 0 [pid 894] close(3) = 0 [pid 894] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 894] open("./file0", O_RDONLY) = 3 [pid 894] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 894] unlink("./file0") = -1 EISDIR (Is a directory) [pid 894] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 894] exit_group(0) = ? [pid 894] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=894, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 895 ./strace-static-x86_64: Process 895 attached [pid 895] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 895] setpgid(0, 0) = 0 [pid 895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 895] write(3, "1000", 4) = 4 [pid 895] close(3) = 0 [pid 895] memfd_create("syzkaller", 0) = 3 [pid 895] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 895] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 895] munmap(0x7f26a8533000, 131072) = 0 [pid 895] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 895] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 895] ioctl(4, LOOP_CLR_FD) = 0 [pid 895] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 895] close(4) = 0 [pid 895] close(3) = 0 [pid 895] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 895] open("./file0", O_RDONLY) = 3 [pid 895] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 895] unlink("./file0") = -1 EISDIR (Is a directory) [pid 895] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 895] exit_group(0) = ? [pid 895] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=895, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 896 ./strace-static-x86_64: Process 896 attached [pid 896] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 896] setpgid(0, 0) = 0 [pid 896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 896] write(3, "1000", 4) = 4 [pid 896] close(3) = 0 [pid 896] memfd_create("syzkaller", 0) = 3 [pid 896] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 896] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 896] munmap(0x7f26a8533000, 131072) = 0 [pid 896] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 896] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 896] ioctl(4, LOOP_CLR_FD) = 0 [pid 896] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 896] close(4) = 0 [pid 896] close(3) = 0 [pid 896] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 896] open("./file0", O_RDONLY) = 3 [pid 896] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 896] unlink("./file0") = -1 EISDIR (Is a directory) [pid 896] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 896] exit_group(0) = ? [pid 896] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=896, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 897 ./strace-static-x86_64: Process 897 attached [pid 897] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 897] setpgid(0, 0) = 0 [pid 897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 897] write(3, "1000", 4) = 4 [pid 897] close(3) = 0 [pid 897] memfd_create("syzkaller", 0) = 3 [pid 897] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 897] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 897] munmap(0x7f26a8533000, 131072) = 0 [pid 897] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 897] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 897] ioctl(4, LOOP_CLR_FD) = 0 [pid 897] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 897] close(4) = 0 [pid 897] close(3) = 0 [pid 897] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 897] open("./file0", O_RDONLY) = 3 [pid 897] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 897] unlink("./file0") = -1 EISDIR (Is a directory) [pid 897] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 897] exit_group(0) = ? [pid 897] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=897, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 898 ./strace-static-x86_64: Process 898 attached [pid 898] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 898] setpgid(0, 0) = 0 [pid 898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 898] write(3, "1000", 4) = 4 [pid 898] close(3) = 0 [pid 898] memfd_create("syzkaller", 0) = 3 [pid 898] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 898] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 898] munmap(0x7f26a8533000, 131072) = 0 [pid 898] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 898] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 898] ioctl(4, LOOP_CLR_FD) = 0 [pid 898] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 898] close(4) = 0 [pid 898] close(3) = 0 [pid 898] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 898] open("./file0", O_RDONLY) = 3 [pid 898] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 898] unlink("./file0") = -1 EISDIR (Is a directory) [pid 898] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 898] exit_group(0) = ? [pid 898] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=898, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 899 ./strace-static-x86_64: Process 899 attached [pid 899] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 899] setpgid(0, 0) = 0 [pid 899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 899] write(3, "1000", 4) = 4 [pid 899] close(3) = 0 [pid 899] memfd_create("syzkaller", 0) = 3 [pid 899] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 899] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 899] munmap(0x7f26a8533000, 131072) = 0 [pid 899] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 899] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 899] ioctl(4, LOOP_CLR_FD) = 0 [pid 899] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 899] close(4) = 0 [pid 899] close(3) = 0 [pid 899] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 899] open("./file0", O_RDONLY) = 3 [pid 899] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 899] unlink("./file0") = -1 EISDIR (Is a directory) [pid 899] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 899] exit_group(0) = ? [pid 899] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=899, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 900 ./strace-static-x86_64: Process 900 attached [pid 900] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 900] setpgid(0, 0) = 0 [pid 900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 900] write(3, "1000", 4) = 4 [pid 900] close(3) = 0 [pid 900] memfd_create("syzkaller", 0) = 3 [pid 900] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 900] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 900] munmap(0x7f26a8533000, 131072) = 0 [pid 900] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 900] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 900] ioctl(4, LOOP_CLR_FD) = 0 [pid 900] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 900] close(4) = 0 [pid 900] close(3) = 0 [pid 900] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 900] open("./file0", O_RDONLY) = 3 [pid 900] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 900] unlink("./file0") = -1 EISDIR (Is a directory) [pid 900] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 900] exit_group(0) = ? [pid 900] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=900, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 901 ./strace-static-x86_64: Process 901 attached [pid 901] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 901] setpgid(0, 0) = 0 [pid 901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 901] write(3, "1000", 4) = 4 [pid 901] close(3) = 0 [pid 901] memfd_create("syzkaller", 0) = 3 [pid 901] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 901] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 901] munmap(0x7f26a8533000, 131072) = 0 [pid 901] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 901] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 901] ioctl(4, LOOP_CLR_FD) = 0 [pid 901] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 901] close(4) = 0 [pid 901] close(3) = 0 [pid 901] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 901] open("./file0", O_RDONLY) = 3 [pid 901] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 901] unlink("./file0") = -1 EISDIR (Is a directory) [pid 901] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 901] exit_group(0) = ? [pid 901] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=901, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 902 attached , child_tidptr=0x555556e0f5d0) = 902 [pid 902] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 902] setpgid(0, 0) = 0 [pid 902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 902] write(3, "1000", 4) = 4 [pid 902] close(3) = 0 [pid 902] memfd_create("syzkaller", 0) = 3 [pid 902] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 902] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 902] munmap(0x7f26a8533000, 131072) = 0 [pid 902] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 902] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 902] ioctl(4, LOOP_CLR_FD) = 0 [pid 902] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 902] close(4) = 0 [pid 902] close(3) = 0 [pid 902] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 902] open("./file0", O_RDONLY) = 3 [pid 902] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 902] unlink("./file0") = -1 EISDIR (Is a directory) [pid 902] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 902] exit_group(0) = ? [pid 902] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=902, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 903 ./strace-static-x86_64: Process 903 attached [pid 903] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 903] setpgid(0, 0) = 0 [pid 903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 903] write(3, "1000", 4) = 4 [pid 903] close(3) = 0 [pid 903] memfd_create("syzkaller", 0) = 3 [pid 903] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 903] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 903] munmap(0x7f26a8533000, 131072) = 0 [pid 903] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 903] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 903] ioctl(4, LOOP_CLR_FD) = 0 [pid 903] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 903] close(4) = 0 [pid 903] close(3) = 0 [pid 903] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 903] open("./file0", O_RDONLY) = 3 [pid 903] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 903] unlink("./file0") = -1 EISDIR (Is a directory) [pid 903] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 903] exit_group(0) = ? [pid 903] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=903, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 904 ./strace-static-x86_64: Process 904 attached [pid 904] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 904] setpgid(0, 0) = 0 [pid 904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 904] write(3, "1000", 4) = 4 [pid 904] close(3) = 0 [pid 904] memfd_create("syzkaller", 0) = 3 [pid 904] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 904] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 904] munmap(0x7f26a8533000, 131072) = 0 [pid 904] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 904] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 904] ioctl(4, LOOP_CLR_FD) = 0 [pid 904] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 904] close(4) = 0 [pid 904] close(3) = 0 [pid 904] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 904] open("./file0", O_RDONLY) = 3 [pid 904] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 904] unlink("./file0") = -1 EISDIR (Is a directory) [pid 904] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 904] exit_group(0) = ? [pid 904] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=904, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 905 ./strace-static-x86_64: Process 905 attached [pid 905] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 905] setpgid(0, 0) = 0 [pid 905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 905] write(3, "1000", 4) = 4 [pid 905] close(3) = 0 [pid 905] memfd_create("syzkaller", 0) = 3 [pid 905] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 905] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 905] munmap(0x7f26a8533000, 131072) = 0 [pid 905] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 905] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 905] ioctl(4, LOOP_CLR_FD) = 0 [pid 905] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 905] close(4) = 0 [pid 905] close(3) = 0 [pid 905] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 905] open("./file0", O_RDONLY) = 3 [pid 905] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 905] unlink("./file0") = -1 EISDIR (Is a directory) [pid 905] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 905] exit_group(0) = ? [pid 905] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=905, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 906 attached , child_tidptr=0x555556e0f5d0) = 906 [pid 906] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 906] setpgid(0, 0) = 0 [pid 906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 906] write(3, "1000", 4) = 4 [pid 906] close(3) = 0 [pid 906] memfd_create("syzkaller", 0) = 3 [pid 906] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 906] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 906] munmap(0x7f26a8533000, 131072) = 0 [pid 906] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 906] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 906] ioctl(4, LOOP_CLR_FD) = 0 [pid 906] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 906] close(4) = 0 [pid 906] close(3) = 0 [pid 906] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 906] open("./file0", O_RDONLY) = 3 [pid 906] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 906] unlink("./file0") = -1 EISDIR (Is a directory) [pid 906] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 906] exit_group(0) = ? [pid 906] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=906, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 907 ./strace-static-x86_64: Process 907 attached [pid 907] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 907] setpgid(0, 0) = 0 [pid 907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 907] write(3, "1000", 4) = 4 [pid 907] close(3) = 0 [pid 907] memfd_create("syzkaller", 0) = 3 [pid 907] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 907] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 907] munmap(0x7f26a8533000, 131072) = 0 [pid 907] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 907] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 907] ioctl(4, LOOP_CLR_FD) = 0 [pid 907] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 907] close(4) = 0 [pid 907] close(3) = 0 [pid 907] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 907] open("./file0", O_RDONLY) = 3 [pid 907] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 907] unlink("./file0") = -1 EISDIR (Is a directory) [pid 907] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 907] exit_group(0) = ? [pid 907] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=907, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 908 attached , child_tidptr=0x555556e0f5d0) = 908 [pid 908] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 908] setpgid(0, 0) = 0 [pid 908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 908] write(3, "1000", 4) = 4 [pid 908] close(3) = 0 [pid 908] memfd_create("syzkaller", 0) = 3 [pid 908] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 908] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 908] munmap(0x7f26a8533000, 131072) = 0 [pid 908] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 908] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 908] ioctl(4, LOOP_CLR_FD) = 0 [pid 908] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 908] close(4) = 0 [pid 908] close(3) = 0 [pid 908] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 908] open("./file0", O_RDONLY) = 3 [pid 908] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 908] unlink("./file0") = -1 EISDIR (Is a directory) [pid 908] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 908] exit_group(0) = ? [pid 908] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=908, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 909 ./strace-static-x86_64: Process 909 attached [pid 909] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 909] setpgid(0, 0) = 0 [pid 909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 909] write(3, "1000", 4) = 4 [pid 909] close(3) = 0 [pid 909] memfd_create("syzkaller", 0) = 3 [pid 909] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 909] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 909] munmap(0x7f26a8533000, 131072) = 0 [pid 909] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 909] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 909] ioctl(4, LOOP_CLR_FD) = 0 [pid 909] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 909] close(4) = 0 [pid 909] close(3) = 0 [pid 909] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 909] open("./file0", O_RDONLY) = 3 [pid 909] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 909] unlink("./file0") = -1 EISDIR (Is a directory) [pid 909] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 909] exit_group(0) = ? [pid 909] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=909, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 910 ./strace-static-x86_64: Process 910 attached [pid 910] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 910] setpgid(0, 0) = 0 [pid 910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 910] write(3, "1000", 4) = 4 [pid 910] close(3) = 0 [pid 910] memfd_create("syzkaller", 0) = 3 [pid 910] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 910] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 910] munmap(0x7f26a8533000, 131072) = 0 [pid 910] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 910] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 910] ioctl(4, LOOP_CLR_FD) = 0 [pid 910] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 910] close(4) = 0 [pid 910] close(3) = 0 [pid 910] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 910] open("./file0", O_RDONLY) = 3 [pid 910] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 910] unlink("./file0") = -1 EISDIR (Is a directory) [pid 910] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 910] exit_group(0) = ? [pid 910] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=910, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 911 ./strace-static-x86_64: Process 911 attached [pid 911] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 911] setpgid(0, 0) = 0 [pid 911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 911] write(3, "1000", 4) = 4 [pid 911] close(3) = 0 [pid 911] memfd_create("syzkaller", 0) = 3 [pid 911] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 911] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 911] munmap(0x7f26a8533000, 131072) = 0 [pid 911] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 911] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 911] ioctl(4, LOOP_CLR_FD) = 0 [pid 911] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 911] close(4) = 0 [pid 911] close(3) = 0 [pid 911] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 911] open("./file0", O_RDONLY) = 3 [pid 911] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 911] unlink("./file0") = -1 EISDIR (Is a directory) [pid 911] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 911] exit_group(0) = ? [pid 911] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=911, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 912 ./strace-static-x86_64: Process 912 attached [pid 912] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 912] setpgid(0, 0) = 0 [pid 912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 912] write(3, "1000", 4) = 4 [pid 912] close(3) = 0 [pid 912] memfd_create("syzkaller", 0) = 3 [pid 912] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 912] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 912] munmap(0x7f26a8533000, 131072) = 0 [pid 912] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 912] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 912] ioctl(4, LOOP_CLR_FD) = 0 [pid 912] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 912] close(4) = 0 [pid 912] close(3) = 0 [pid 912] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 912] open("./file0", O_RDONLY) = 3 [pid 912] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 912] unlink("./file0") = -1 EISDIR (Is a directory) [pid 912] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 912] exit_group(0) = ? [pid 912] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=912, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 913 ./strace-static-x86_64: Process 913 attached [pid 913] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 913] setpgid(0, 0) = 0 [pid 913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 913] write(3, "1000", 4) = 4 [pid 913] close(3) = 0 [pid 913] memfd_create("syzkaller", 0) = 3 [pid 913] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 913] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 913] munmap(0x7f26a8533000, 131072) = 0 [pid 913] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 913] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 913] ioctl(4, LOOP_CLR_FD) = 0 [pid 913] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 913] close(4) = 0 [pid 913] close(3) = 0 [pid 913] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 913] open("./file0", O_RDONLY) = 3 [pid 913] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 913] unlink("./file0") = -1 EISDIR (Is a directory) [pid 913] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 913] exit_group(0) = ? [pid 913] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=913, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 914 ./strace-static-x86_64: Process 914 attached [pid 914] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 914] setpgid(0, 0) = 0 [pid 914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 914] write(3, "1000", 4) = 4 [pid 914] close(3) = 0 [pid 914] memfd_create("syzkaller", 0) = 3 [pid 914] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 914] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 914] munmap(0x7f26a8533000, 131072) = 0 [pid 914] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 914] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 914] ioctl(4, LOOP_CLR_FD) = 0 [pid 914] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 914] close(4) = 0 [pid 914] close(3) = 0 [pid 914] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 914] open("./file0", O_RDONLY) = 3 [pid 914] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 914] unlink("./file0") = -1 EISDIR (Is a directory) [pid 914] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 914] exit_group(0) = ? [pid 914] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=914, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 915 ./strace-static-x86_64: Process 915 attached [pid 915] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 915] setpgid(0, 0) = 0 [pid 915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 915] write(3, "1000", 4) = 4 [pid 915] close(3) = 0 [pid 915] memfd_create("syzkaller", 0) = 3 [pid 915] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 915] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 915] munmap(0x7f26a8533000, 131072) = 0 [pid 915] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 915] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 915] ioctl(4, LOOP_CLR_FD) = 0 [pid 915] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 915] close(4) = 0 [pid 915] close(3) = 0 [pid 915] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 915] open("./file0", O_RDONLY) = 3 [pid 915] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 915] unlink("./file0") = -1 EISDIR (Is a directory) [pid 915] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 915] exit_group(0) = ? [pid 915] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=915, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 916 ./strace-static-x86_64: Process 916 attached [pid 916] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 916] setpgid(0, 0) = 0 [pid 916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 916] write(3, "1000", 4) = 4 [pid 916] close(3) = 0 [pid 916] memfd_create("syzkaller", 0) = 3 [pid 916] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 916] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 916] munmap(0x7f26a8533000, 131072) = 0 [pid 916] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 916] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 916] ioctl(4, LOOP_CLR_FD) = 0 [pid 916] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 916] close(4) = 0 [pid 916] close(3) = 0 [pid 916] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 916] open("./file0", O_RDONLY) = 3 [pid 916] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 916] unlink("./file0") = -1 EISDIR (Is a directory) [pid 916] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 916] exit_group(0) = ? [pid 916] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=916, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 917 attached , child_tidptr=0x555556e0f5d0) = 917 [pid 917] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 917] setpgid(0, 0) = 0 [pid 917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 917] write(3, "1000", 4) = 4 [pid 917] close(3) = 0 [pid 917] memfd_create("syzkaller", 0) = 3 [pid 917] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 917] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 917] munmap(0x7f26a8533000, 131072) = 0 [pid 917] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 917] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 917] ioctl(4, LOOP_CLR_FD) = 0 [pid 917] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 917] close(4) = 0 [pid 917] close(3) = 0 [pid 917] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 917] open("./file0", O_RDONLY) = 3 [pid 917] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 917] unlink("./file0") = -1 EISDIR (Is a directory) [pid 917] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 917] exit_group(0) = ? [pid 917] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=917, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 918 ./strace-static-x86_64: Process 918 attached [pid 918] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 918] setpgid(0, 0) = 0 [pid 918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 918] write(3, "1000", 4) = 4 [pid 918] close(3) = 0 [pid 918] memfd_create("syzkaller", 0) = 3 [pid 918] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 918] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 918] munmap(0x7f26a8533000, 131072) = 0 [pid 918] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 918] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 918] ioctl(4, LOOP_CLR_FD) = 0 [pid 918] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 918] close(4) = 0 [pid 918] close(3) = 0 [pid 918] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 918] open("./file0", O_RDONLY) = 3 [pid 918] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 918] unlink("./file0") = -1 EISDIR (Is a directory) [pid 918] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 918] exit_group(0) = ? [pid 918] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=918, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 919 ./strace-static-x86_64: Process 919 attached [pid 919] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 919] setpgid(0, 0) = 0 [pid 919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 919] write(3, "1000", 4) = 4 [pid 919] close(3) = 0 [pid 919] memfd_create("syzkaller", 0) = 3 [pid 919] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 919] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 919] munmap(0x7f26a8533000, 131072) = 0 [pid 919] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 919] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 919] ioctl(4, LOOP_CLR_FD) = 0 [pid 919] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 919] close(4) = 0 [pid 919] close(3) = 0 [pid 919] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 919] open("./file0", O_RDONLY) = 3 [pid 919] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 919] unlink("./file0") = -1 EISDIR (Is a directory) [pid 919] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 919] exit_group(0) = ? [pid 919] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=919, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 920 ./strace-static-x86_64: Process 920 attached [pid 920] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 920] setpgid(0, 0) = 0 [pid 920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 920] write(3, "1000", 4) = 4 [pid 920] close(3) = 0 [pid 920] memfd_create("syzkaller", 0) = 3 [pid 920] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 920] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 920] munmap(0x7f26a8533000, 131072) = 0 [pid 920] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 920] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 920] ioctl(4, LOOP_CLR_FD) = 0 [pid 920] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 920] close(4) = 0 [pid 920] close(3) = 0 [pid 920] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 920] open("./file0", O_RDONLY) = 3 [pid 920] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 920] unlink("./file0") = -1 EISDIR (Is a directory) [pid 920] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 920] exit_group(0) = ? [pid 920] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=920, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 921 attached , child_tidptr=0x555556e0f5d0) = 921 [pid 921] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 921] setpgid(0, 0) = 0 [pid 921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 921] write(3, "1000", 4) = 4 [pid 921] close(3) = 0 [pid 921] memfd_create("syzkaller", 0) = 3 [pid 921] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 921] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 921] munmap(0x7f26a8533000, 131072) = 0 [pid 921] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 921] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 921] ioctl(4, LOOP_CLR_FD) = 0 [pid 921] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 921] close(4) = 0 [pid 921] close(3) = 0 [pid 921] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 921] open("./file0", O_RDONLY) = 3 [pid 921] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 921] unlink("./file0") = -1 EISDIR (Is a directory) [pid 921] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 921] exit_group(0) = ? [pid 921] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=921, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 922 ./strace-static-x86_64: Process 922 attached [pid 922] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 922] setpgid(0, 0) = 0 [pid 922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 922] write(3, "1000", 4) = 4 [pid 922] close(3) = 0 [pid 922] memfd_create("syzkaller", 0) = 3 [pid 922] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 922] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 922] munmap(0x7f26a8533000, 131072) = 0 [pid 922] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 922] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 922] ioctl(4, LOOP_CLR_FD) = 0 [pid 922] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 922] close(4) = 0 [pid 922] close(3) = 0 [pid 922] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 922] open("./file0", O_RDONLY) = 3 [pid 922] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 922] unlink("./file0") = -1 EISDIR (Is a directory) [pid 922] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 922] exit_group(0) = ? [pid 922] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=922, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 923 ./strace-static-x86_64: Process 923 attached [pid 923] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 923] setpgid(0, 0) = 0 [pid 923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 923] write(3, "1000", 4) = 4 [pid 923] close(3) = 0 [pid 923] memfd_create("syzkaller", 0) = 3 [pid 923] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 923] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 923] munmap(0x7f26a8533000, 131072) = 0 [pid 923] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 923] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 923] ioctl(4, LOOP_CLR_FD) = 0 [pid 923] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 923] close(4) = 0 [pid 923] close(3) = 0 [pid 923] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 923] open("./file0", O_RDONLY) = 3 [pid 923] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 923] unlink("./file0") = -1 EISDIR (Is a directory) [pid 923] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 923] exit_group(0) = ? [pid 923] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=923, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 924 ./strace-static-x86_64: Process 924 attached [pid 924] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 924] setpgid(0, 0) = 0 [pid 924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 924] write(3, "1000", 4) = 4 [pid 924] close(3) = 0 [pid 924] memfd_create("syzkaller", 0) = 3 [pid 924] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 924] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 924] munmap(0x7f26a8533000, 131072) = 0 [pid 924] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 924] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 924] ioctl(4, LOOP_CLR_FD) = 0 [pid 924] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 924] close(4) = 0 [pid 924] close(3) = 0 [pid 924] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 924] open("./file0", O_RDONLY) = 3 [pid 924] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 924] unlink("./file0") = -1 EISDIR (Is a directory) [pid 924] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 924] exit_group(0) = ? [pid 924] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=924, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 925 attached , child_tidptr=0x555556e0f5d0) = 925 [pid 925] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 925] setpgid(0, 0) = 0 [pid 925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 925] write(3, "1000", 4) = 4 [pid 925] close(3) = 0 [pid 925] memfd_create("syzkaller", 0) = 3 [pid 925] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 925] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 925] munmap(0x7f26a8533000, 131072) = 0 [pid 925] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 925] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 925] ioctl(4, LOOP_CLR_FD) = 0 [pid 925] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 925] close(4) = 0 [pid 925] close(3) = 0 [pid 925] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 925] open("./file0", O_RDONLY) = 3 [pid 925] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 925] unlink("./file0") = -1 EISDIR (Is a directory) [pid 925] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 925] exit_group(0) = ? [pid 925] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=925, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 926 ./strace-static-x86_64: Process 926 attached [pid 926] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 926] setpgid(0, 0) = 0 [pid 926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 926] write(3, "1000", 4) = 4 [pid 926] close(3) = 0 [pid 926] memfd_create("syzkaller", 0) = 3 [pid 926] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 926] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 926] munmap(0x7f26a8533000, 131072) = 0 [pid 926] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 926] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 926] ioctl(4, LOOP_CLR_FD) = 0 [pid 926] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 926] close(4) = 0 [pid 926] close(3) = 0 [pid 926] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 926] open("./file0", O_RDONLY) = 3 [pid 926] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 926] unlink("./file0") = -1 EISDIR (Is a directory) [pid 926] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 926] exit_group(0) = ? [pid 926] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=926, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 928 ./strace-static-x86_64: Process 928 attached [pid 928] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 928] setpgid(0, 0) = 0 [pid 928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 928] write(3, "1000", 4) = 4 [pid 928] close(3) = 0 [pid 928] memfd_create("syzkaller", 0) = 3 [pid 928] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 928] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 928] munmap(0x7f26a8533000, 131072) = 0 [pid 928] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 928] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 928] ioctl(4, LOOP_CLR_FD) = 0 [pid 928] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 928] close(4) = 0 [pid 928] close(3) = 0 [pid 928] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 928] open("./file0", O_RDONLY) = 3 [pid 928] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 928] unlink("./file0") = -1 EISDIR (Is a directory) [pid 928] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 928] exit_group(0) = ? [pid 928] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=928, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 929 ./strace-static-x86_64: Process 929 attached [pid 929] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 929] setpgid(0, 0) = 0 [pid 929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 929] write(3, "1000", 4) = 4 [pid 929] close(3) = 0 [pid 929] memfd_create("syzkaller", 0) = 3 [pid 929] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 929] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 929] munmap(0x7f26a8533000, 131072) = 0 [pid 929] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 929] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 929] ioctl(4, LOOP_CLR_FD) = 0 [pid 929] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 929] close(4) = 0 [pid 929] close(3) = 0 [pid 929] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 929] open("./file0", O_RDONLY) = 3 [pid 929] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 929] unlink("./file0") = -1 EISDIR (Is a directory) [pid 929] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 929] exit_group(0) = ? [pid 929] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=929, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 930 ./strace-static-x86_64: Process 930 attached [pid 930] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 930] setpgid(0, 0) = 0 [pid 930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 930] write(3, "1000", 4) = 4 [pid 930] close(3) = 0 [pid 930] memfd_create("syzkaller", 0) = 3 [pid 930] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 930] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 930] munmap(0x7f26a8533000, 131072) = 0 [pid 930] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 930] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 930] ioctl(4, LOOP_CLR_FD) = 0 [pid 930] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 930] close(4) = 0 [pid 930] close(3) = 0 [pid 930] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 930] open("./file0", O_RDONLY) = 3 [pid 930] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 930] unlink("./file0") = -1 EISDIR (Is a directory) [pid 930] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 930] exit_group(0) = ? [pid 930] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=930, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 931 ./strace-static-x86_64: Process 931 attached [pid 931] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 931] setpgid(0, 0) = 0 [pid 931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 931] write(3, "1000", 4) = 4 [pid 931] close(3) = 0 [pid 931] memfd_create("syzkaller", 0) = 3 [pid 931] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 931] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 931] munmap(0x7f26a8533000, 131072) = 0 [pid 931] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 931] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 931] ioctl(4, LOOP_CLR_FD) = 0 [pid 931] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 931] close(4) = 0 [pid 931] close(3) = 0 [pid 931] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 931] open("./file0", O_RDONLY) = 3 [pid 931] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 931] unlink("./file0") = -1 EISDIR (Is a directory) [pid 931] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 931] exit_group(0) = ? [pid 931] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=931, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 932 ./strace-static-x86_64: Process 932 attached [pid 932] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 932] setpgid(0, 0) = 0 [pid 932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 932] write(3, "1000", 4) = 4 [pid 932] close(3) = 0 [pid 932] memfd_create("syzkaller", 0) = 3 [pid 932] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 932] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 932] munmap(0x7f26a8533000, 131072) = 0 [pid 932] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 932] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 932] ioctl(4, LOOP_CLR_FD) = 0 [pid 932] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 932] close(4) = 0 [pid 932] close(3) = 0 [pid 932] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 932] open("./file0", O_RDONLY) = 3 [pid 932] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 932] unlink("./file0") = -1 EISDIR (Is a directory) [pid 932] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 932] exit_group(0) = ? [pid 932] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=932, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 933 ./strace-static-x86_64: Process 933 attached [pid 933] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 933] setpgid(0, 0) = 0 [pid 933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 933] write(3, "1000", 4) = 4 [pid 933] close(3) = 0 [pid 933] memfd_create("syzkaller", 0) = 3 [pid 933] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 933] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 933] munmap(0x7f26a8533000, 131072) = 0 [pid 933] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 933] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 933] ioctl(4, LOOP_CLR_FD) = 0 [pid 933] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 933] close(4) = 0 [pid 933] close(3) = 0 [pid 933] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 933] open("./file0", O_RDONLY) = 3 [pid 933] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 933] unlink("./file0") = -1 EISDIR (Is a directory) [pid 933] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 933] exit_group(0) = ? [pid 933] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=933, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 934 ./strace-static-x86_64: Process 934 attached [pid 934] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 934] setpgid(0, 0) = 0 [pid 934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 934] write(3, "1000", 4) = 4 [pid 934] close(3) = 0 [pid 934] memfd_create("syzkaller", 0) = 3 [pid 934] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 934] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 934] munmap(0x7f26a8533000, 131072) = 0 [pid 934] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 934] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 934] ioctl(4, LOOP_CLR_FD) = 0 [pid 934] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 934] close(4) = 0 [pid 934] close(3) = 0 [pid 934] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 934] open("./file0", O_RDONLY) = 3 [pid 934] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 934] unlink("./file0") = -1 EISDIR (Is a directory) [pid 934] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 934] exit_group(0) = ? [pid 934] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=934, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 935 ./strace-static-x86_64: Process 935 attached [pid 935] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 935] setpgid(0, 0) = 0 [pid 935] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 935] write(3, "1000", 4) = 4 [pid 935] close(3) = 0 [pid 935] memfd_create("syzkaller", 0) = 3 [pid 935] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 935] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 935] munmap(0x7f26a8533000, 131072) = 0 [pid 935] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 935] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 935] ioctl(4, LOOP_CLR_FD) = 0 [pid 935] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 935] close(4) = 0 [pid 935] close(3) = 0 [pid 935] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 935] open("./file0", O_RDONLY) = 3 [pid 935] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 935] unlink("./file0") = -1 EISDIR (Is a directory) [pid 935] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 935] exit_group(0) = ? [pid 935] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=935, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 936 ./strace-static-x86_64: Process 936 attached [pid 936] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 936] setpgid(0, 0) = 0 [pid 936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 936] write(3, "1000", 4) = 4 [pid 936] close(3) = 0 [pid 936] memfd_create("syzkaller", 0) = 3 [pid 936] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 936] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 936] munmap(0x7f26a8533000, 131072) = 0 [pid 936] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 936] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 936] ioctl(4, LOOP_CLR_FD) = 0 [pid 936] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 936] close(4) = 0 [pid 936] close(3) = 0 [pid 936] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 936] open("./file0", O_RDONLY) = 3 [pid 936] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 936] unlink("./file0") = -1 EISDIR (Is a directory) [pid 936] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 936] exit_group(0) = ? [pid 936] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=936, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 937 ./strace-static-x86_64: Process 937 attached [pid 937] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 937] setpgid(0, 0) = 0 [pid 937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 937] write(3, "1000", 4) = 4 [pid 937] close(3) = 0 [pid 937] memfd_create("syzkaller", 0) = 3 [pid 937] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 937] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 937] munmap(0x7f26a8533000, 131072) = 0 [pid 937] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 937] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 937] ioctl(4, LOOP_CLR_FD) = 0 [pid 937] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 937] close(4) = 0 [pid 937] close(3) = 0 [pid 937] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 937] open("./file0", O_RDONLY) = 3 [pid 937] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 937] unlink("./file0") = -1 EISDIR (Is a directory) [pid 937] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 937] exit_group(0) = ? [pid 937] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=937, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 938 ./strace-static-x86_64: Process 938 attached [pid 938] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 938] setpgid(0, 0) = 0 [pid 938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 938] write(3, "1000", 4) = 4 [pid 938] close(3) = 0 [pid 938] memfd_create("syzkaller", 0) = 3 [pid 938] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 938] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 938] munmap(0x7f26a8533000, 131072) = 0 [pid 938] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 938] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 938] ioctl(4, LOOP_CLR_FD) = 0 [pid 938] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 938] close(4) = 0 [pid 938] close(3) = 0 [pid 938] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 938] open("./file0", O_RDONLY) = 3 [pid 938] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 938] unlink("./file0") = -1 EISDIR (Is a directory) [pid 938] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 938] exit_group(0) = ? [pid 938] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=938, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 939 ./strace-static-x86_64: Process 939 attached [pid 939] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 939] setpgid(0, 0) = 0 [pid 939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 939] write(3, "1000", 4) = 4 [pid 939] close(3) = 0 [pid 939] memfd_create("syzkaller", 0) = 3 [pid 939] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 939] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 939] munmap(0x7f26a8533000, 131072) = 0 [pid 939] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 939] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 939] ioctl(4, LOOP_CLR_FD) = 0 [pid 939] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 939] close(4) = 0 [pid 939] close(3) = 0 [pid 939] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 939] open("./file0", O_RDONLY) = 3 [pid 939] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 939] unlink("./file0") = -1 EISDIR (Is a directory) [pid 939] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 939] exit_group(0) = ? [pid 939] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=939, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 940 ./strace-static-x86_64: Process 940 attached [pid 940] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 940] setpgid(0, 0) = 0 [pid 940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 940] write(3, "1000", 4) = 4 [pid 940] close(3) = 0 [pid 940] memfd_create("syzkaller", 0) = 3 [pid 940] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 940] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 940] munmap(0x7f26a8533000, 131072) = 0 [pid 940] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 940] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 940] ioctl(4, LOOP_CLR_FD) = 0 [pid 940] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 940] close(4) = 0 [pid 940] close(3) = 0 [pid 940] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 940] open("./file0", O_RDONLY) = 3 [pid 940] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 940] unlink("./file0") = -1 EISDIR (Is a directory) [pid 940] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 940] exit_group(0) = ? [pid 940] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=940, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 941 ./strace-static-x86_64: Process 941 attached [pid 941] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 941] setpgid(0, 0) = 0 [pid 941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 941] write(3, "1000", 4) = 4 [pid 941] close(3) = 0 [pid 941] memfd_create("syzkaller", 0) = 3 [pid 941] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 941] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 941] munmap(0x7f26a8533000, 131072) = 0 [pid 941] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 941] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 941] ioctl(4, LOOP_CLR_FD) = 0 [pid 941] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 941] close(4) = 0 [pid 941] close(3) = 0 [pid 941] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 941] open("./file0", O_RDONLY) = 3 [pid 941] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 941] unlink("./file0") = -1 EISDIR (Is a directory) [pid 941] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 941] exit_group(0) = ? [pid 941] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=941, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 942 ./strace-static-x86_64: Process 942 attached [pid 942] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 942] setpgid(0, 0) = 0 [pid 942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 942] write(3, "1000", 4) = 4 [pid 942] close(3) = 0 [pid 942] memfd_create("syzkaller", 0) = 3 [pid 942] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 942] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 942] munmap(0x7f26a8533000, 131072) = 0 [pid 942] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 942] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 942] ioctl(4, LOOP_CLR_FD) = 0 [pid 942] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 942] close(4) = 0 [pid 942] close(3) = 0 [pid 942] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 942] open("./file0", O_RDONLY) = 3 [pid 942] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 942] unlink("./file0") = -1 EISDIR (Is a directory) [pid 942] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 942] exit_group(0) = ? [pid 942] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=942, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 943 ./strace-static-x86_64: Process 943 attached [pid 943] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 943] setpgid(0, 0) = 0 [pid 943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 943] write(3, "1000", 4) = 4 [pid 943] close(3) = 0 [pid 943] memfd_create("syzkaller", 0) = 3 [pid 943] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 943] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 943] munmap(0x7f26a8533000, 131072) = 0 [pid 943] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 943] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 943] ioctl(4, LOOP_CLR_FD) = 0 [pid 943] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 943] close(4) = 0 [pid 943] close(3) = 0 [pid 943] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 943] open("./file0", O_RDONLY) = 3 [pid 943] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 943] unlink("./file0") = -1 EISDIR (Is a directory) [pid 943] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 943] exit_group(0) = ? [pid 943] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=943, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 944 ./strace-static-x86_64: Process 944 attached [pid 944] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 944] setpgid(0, 0) = 0 [pid 944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 944] write(3, "1000", 4) = 4 [pid 944] close(3) = 0 [pid 944] memfd_create("syzkaller", 0) = 3 [pid 944] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 944] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 944] munmap(0x7f26a8533000, 131072) = 0 [pid 944] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 944] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 944] ioctl(4, LOOP_CLR_FD) = 0 [pid 944] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 944] close(4) = 0 [pid 944] close(3) = 0 [pid 944] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 944] open("./file0", O_RDONLY) = 3 [pid 944] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 944] unlink("./file0") = -1 EISDIR (Is a directory) [pid 944] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 944] exit_group(0) = ? [pid 944] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=944, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 945 ./strace-static-x86_64: Process 945 attached [pid 945] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 945] setpgid(0, 0) = 0 [pid 945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 945] write(3, "1000", 4) = 4 [pid 945] close(3) = 0 [pid 945] memfd_create("syzkaller", 0) = 3 [pid 945] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 945] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 945] munmap(0x7f26a8533000, 131072) = 0 [pid 945] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 945] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 945] ioctl(4, LOOP_CLR_FD) = 0 [pid 945] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 945] close(4) = 0 [pid 945] close(3) = 0 [pid 945] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 945] open("./file0", O_RDONLY) = 3 [pid 945] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 945] unlink("./file0") = -1 EISDIR (Is a directory) [pid 945] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 945] exit_group(0) = ? [pid 945] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=945, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 946 ./strace-static-x86_64: Process 946 attached [pid 946] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 946] setpgid(0, 0) = 0 [pid 946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 946] write(3, "1000", 4) = 4 [pid 946] close(3) = 0 [pid 946] memfd_create("syzkaller", 0) = 3 [pid 946] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 946] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 946] munmap(0x7f26a8533000, 131072) = 0 [pid 946] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 946] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 946] ioctl(4, LOOP_CLR_FD) = 0 [pid 946] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 946] close(4) = 0 [pid 946] close(3) = 0 [pid 946] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 946] open("./file0", O_RDONLY) = 3 [pid 946] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 946] unlink("./file0") = -1 EISDIR (Is a directory) [pid 946] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 946] exit_group(0) = ? [pid 946] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=946, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 947 ./strace-static-x86_64: Process 947 attached [pid 947] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 947] setpgid(0, 0) = 0 [pid 947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 947] write(3, "1000", 4) = 4 [pid 947] close(3) = 0 [pid 947] memfd_create("syzkaller", 0) = 3 [pid 947] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 947] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 947] munmap(0x7f26a8533000, 131072) = 0 [pid 947] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 947] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 947] ioctl(4, LOOP_CLR_FD) = 0 [pid 947] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 947] close(4) = 0 [pid 947] close(3) = 0 [pid 947] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 947] open("./file0", O_RDONLY) = 3 [pid 947] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 947] unlink("./file0") = -1 EISDIR (Is a directory) [pid 947] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 947] exit_group(0) = ? [pid 947] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=947, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 948 ./strace-static-x86_64: Process 948 attached [pid 948] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 948] setpgid(0, 0) = 0 [pid 948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 948] write(3, "1000", 4) = 4 [pid 948] close(3) = 0 [pid 948] memfd_create("syzkaller", 0) = 3 [pid 948] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 948] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 948] munmap(0x7f26a8533000, 131072) = 0 [pid 948] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 948] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 948] ioctl(4, LOOP_CLR_FD) = 0 [pid 948] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 948] close(4) = 0 [pid 948] close(3) = 0 [pid 948] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 948] open("./file0", O_RDONLY) = 3 [pid 948] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 948] unlink("./file0") = -1 EISDIR (Is a directory) [pid 948] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 948] exit_group(0) = ? [pid 948] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=948, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 949 attached , child_tidptr=0x555556e0f5d0) = 949 [pid 949] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 949] setpgid(0, 0) = 0 [pid 949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 949] write(3, "1000", 4) = 4 [pid 949] close(3) = 0 [pid 949] memfd_create("syzkaller", 0) = 3 [pid 949] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 949] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 949] munmap(0x7f26a8533000, 131072) = 0 [pid 949] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 949] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 949] ioctl(4, LOOP_CLR_FD) = 0 [pid 949] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 949] close(4) = 0 [pid 949] close(3) = 0 [pid 949] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 949] open("./file0", O_RDONLY) = 3 [pid 949] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 949] unlink("./file0") = -1 EISDIR (Is a directory) [pid 949] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 949] exit_group(0) = ? [pid 949] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=949, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 950 ./strace-static-x86_64: Process 950 attached [pid 950] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 950] setpgid(0, 0) = 0 [pid 950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 950] write(3, "1000", 4) = 4 [pid 950] close(3) = 0 [pid 950] memfd_create("syzkaller", 0) = 3 [pid 950] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 950] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 950] munmap(0x7f26a8533000, 131072) = 0 [pid 950] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 950] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 950] ioctl(4, LOOP_CLR_FD) = 0 [pid 950] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 950] close(4) = 0 [pid 950] close(3) = 0 [pid 950] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 950] open("./file0", O_RDONLY) = 3 [pid 950] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 950] unlink("./file0") = -1 EISDIR (Is a directory) [pid 950] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 950] exit_group(0) = ? [pid 950] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=950, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 951 ./strace-static-x86_64: Process 951 attached [pid 951] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 951] setpgid(0, 0) = 0 [pid 951] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 951] write(3, "1000", 4) = 4 [pid 951] close(3) = 0 [pid 951] memfd_create("syzkaller", 0) = 3 [pid 951] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 951] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 951] munmap(0x7f26a8533000, 131072) = 0 [pid 951] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 951] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 951] ioctl(4, LOOP_CLR_FD) = 0 [pid 951] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 951] close(4) = 0 [pid 951] close(3) = 0 [pid 951] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 951] open("./file0", O_RDONLY) = 3 [pid 951] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 951] unlink("./file0") = -1 EISDIR (Is a directory) [pid 951] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 951] exit_group(0) = ? [pid 951] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=951, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 952 ./strace-static-x86_64: Process 952 attached [pid 952] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 952] setpgid(0, 0) = 0 [pid 952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 952] write(3, "1000", 4) = 4 [pid 952] close(3) = 0 [pid 952] memfd_create("syzkaller", 0) = 3 [pid 952] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 952] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 952] munmap(0x7f26a8533000, 131072) = 0 [pid 952] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 952] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 952] ioctl(4, LOOP_CLR_FD) = 0 [pid 952] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 952] close(4) = 0 [pid 952] close(3) = 0 [pid 952] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 952] open("./file0", O_RDONLY) = 3 [pid 952] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 952] unlink("./file0") = -1 EISDIR (Is a directory) [pid 952] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 952] exit_group(0) = ? [pid 952] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=952, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 953 ./strace-static-x86_64: Process 953 attached [pid 953] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 953] setpgid(0, 0) = 0 [pid 953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 953] write(3, "1000", 4) = 4 [pid 953] close(3) = 0 [pid 953] memfd_create("syzkaller", 0) = 3 [pid 953] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 953] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 953] munmap(0x7f26a8533000, 131072) = 0 [pid 953] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 953] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 953] ioctl(4, LOOP_CLR_FD) = 0 [pid 953] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 953] close(4) = 0 [pid 953] close(3) = 0 [pid 953] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 953] open("./file0", O_RDONLY) = 3 [pid 953] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 953] unlink("./file0") = -1 EISDIR (Is a directory) [pid 953] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 953] exit_group(0) = ? [pid 953] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=953, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 954 ./strace-static-x86_64: Process 954 attached [pid 954] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 954] setpgid(0, 0) = 0 [pid 954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 954] write(3, "1000", 4) = 4 [pid 954] close(3) = 0 [pid 954] memfd_create("syzkaller", 0) = 3 [pid 954] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 954] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 954] munmap(0x7f26a8533000, 131072) = 0 [pid 954] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 954] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 954] ioctl(4, LOOP_CLR_FD) = 0 [pid 954] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 954] close(4) = 0 [pid 954] close(3) = 0 [pid 954] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 954] open("./file0", O_RDONLY) = 3 [pid 954] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 954] unlink("./file0") = -1 EISDIR (Is a directory) [pid 954] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 954] exit_group(0) = ? [pid 954] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=954, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 955 ./strace-static-x86_64: Process 955 attached [pid 955] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 955] setpgid(0, 0) = 0 [pid 955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 955] write(3, "1000", 4) = 4 [pid 955] close(3) = 0 [pid 955] memfd_create("syzkaller", 0) = 3 [pid 955] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 955] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 955] munmap(0x7f26a8533000, 131072) = 0 [pid 955] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 955] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 955] ioctl(4, LOOP_CLR_FD) = 0 [pid 955] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 955] close(4) = 0 [pid 955] close(3) = 0 [pid 955] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 955] open("./file0", O_RDONLY) = 3 [pid 955] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 955] unlink("./file0") = -1 EISDIR (Is a directory) [pid 955] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 955] exit_group(0) = ? [pid 955] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=955, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 956 ./strace-static-x86_64: Process 956 attached [pid 956] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 956] setpgid(0, 0) = 0 [pid 956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 956] write(3, "1000", 4) = 4 [pid 956] close(3) = 0 [pid 956] memfd_create("syzkaller", 0) = 3 [pid 956] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 956] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 956] munmap(0x7f26a8533000, 131072) = 0 [pid 956] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 956] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 956] ioctl(4, LOOP_CLR_FD) = 0 [pid 956] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 956] close(4) = 0 [pid 956] close(3) = 0 [pid 956] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 956] open("./file0", O_RDONLY) = 3 [pid 956] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 956] unlink("./file0") = -1 EISDIR (Is a directory) [pid 956] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 956] exit_group(0) = ? [pid 956] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=956, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 957 attached , child_tidptr=0x555556e0f5d0) = 957 [pid 957] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 957] setpgid(0, 0) = 0 [pid 957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 957] write(3, "1000", 4) = 4 [pid 957] close(3) = 0 [pid 957] memfd_create("syzkaller", 0) = 3 [pid 957] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 957] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 957] munmap(0x7f26a8533000, 131072) = 0 [pid 957] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 957] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 957] ioctl(4, LOOP_CLR_FD) = 0 [pid 957] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 957] close(4) = 0 [pid 957] close(3) = 0 [pid 957] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 957] open("./file0", O_RDONLY) = 3 [pid 957] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 957] unlink("./file0") = -1 EISDIR (Is a directory) [pid 957] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 957] exit_group(0) = ? [pid 957] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=957, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 958 ./strace-static-x86_64: Process 958 attached [pid 958] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 958] setpgid(0, 0) = 0 [pid 958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 958] write(3, "1000", 4) = 4 [pid 958] close(3) = 0 [pid 958] memfd_create("syzkaller", 0) = 3 [pid 958] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 958] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 958] munmap(0x7f26a8533000, 131072) = 0 [pid 958] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 958] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 958] ioctl(4, LOOP_CLR_FD) = 0 [pid 958] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 958] close(4) = 0 [pid 958] close(3) = 0 [pid 958] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 958] open("./file0", O_RDONLY) = 3 [pid 958] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 958] unlink("./file0") = -1 EISDIR (Is a directory) [pid 958] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 958] exit_group(0) = ? [pid 958] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=958, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 959 ./strace-static-x86_64: Process 959 attached [pid 959] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 959] setpgid(0, 0) = 0 [pid 959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 959] write(3, "1000", 4) = 4 [pid 959] close(3) = 0 [pid 959] memfd_create("syzkaller", 0) = 3 [pid 959] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 959] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 959] munmap(0x7f26a8533000, 131072) = 0 [pid 959] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 959] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 959] ioctl(4, LOOP_CLR_FD) = 0 [pid 959] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 959] close(4) = 0 [pid 959] close(3) = 0 [pid 959] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 959] open("./file0", O_RDONLY) = 3 [pid 959] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 959] unlink("./file0") = -1 EISDIR (Is a directory) [pid 959] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 959] exit_group(0) = ? [pid 959] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=959, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 960 ./strace-static-x86_64: Process 960 attached [pid 960] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 960] setpgid(0, 0) = 0 [pid 960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 960] write(3, "1000", 4) = 4 [pid 960] close(3) = 0 [pid 960] memfd_create("syzkaller", 0) = 3 [pid 960] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 960] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 960] munmap(0x7f26a8533000, 131072) = 0 [pid 960] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 960] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 960] ioctl(4, LOOP_CLR_FD) = 0 [pid 960] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 960] close(4) = 0 [pid 960] close(3) = 0 [pid 960] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 960] open("./file0", O_RDONLY) = 3 [pid 960] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 960] unlink("./file0") = -1 EISDIR (Is a directory) [pid 960] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 960] exit_group(0) = ? [pid 960] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=960, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 961 ./strace-static-x86_64: Process 961 attached [pid 961] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 961] setpgid(0, 0) = 0 [pid 961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 961] write(3, "1000", 4) = 4 [pid 961] close(3) = 0 [pid 961] memfd_create("syzkaller", 0) = 3 [pid 961] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 961] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 961] munmap(0x7f26a8533000, 131072) = 0 [pid 961] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 961] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 961] ioctl(4, LOOP_CLR_FD) = 0 [pid 961] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 961] close(4) = 0 [pid 961] close(3) = 0 [pid 961] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 961] open("./file0", O_RDONLY) = 3 [pid 961] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 961] unlink("./file0") = -1 EISDIR (Is a directory) [pid 961] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 961] exit_group(0) = ? [pid 961] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=961, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 962 ./strace-static-x86_64: Process 962 attached [pid 962] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 962] setpgid(0, 0) = 0 [pid 962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 962] write(3, "1000", 4) = 4 [pid 962] close(3) = 0 [pid 962] memfd_create("syzkaller", 0) = 3 [pid 962] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 962] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 962] munmap(0x7f26a8533000, 131072) = 0 [pid 962] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 962] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 962] ioctl(4, LOOP_CLR_FD) = 0 [pid 962] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 962] close(4) = 0 [pid 962] close(3) = 0 [pid 962] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 962] open("./file0", O_RDONLY) = 3 [pid 962] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 962] unlink("./file0") = -1 EISDIR (Is a directory) [pid 962] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 962] exit_group(0) = ? [pid 962] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=962, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 963 ./strace-static-x86_64: Process 963 attached [pid 963] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 963] setpgid(0, 0) = 0 [pid 963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 963] write(3, "1000", 4) = 4 [pid 963] close(3) = 0 [pid 963] memfd_create("syzkaller", 0) = 3 [pid 963] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 963] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 963] munmap(0x7f26a8533000, 131072) = 0 [pid 963] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 963] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 963] ioctl(4, LOOP_CLR_FD) = 0 [pid 963] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 963] close(4) = 0 [pid 963] close(3) = 0 [pid 963] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 963] open("./file0", O_RDONLY) = 3 [pid 963] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 963] unlink("./file0") = -1 EISDIR (Is a directory) [pid 963] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 963] exit_group(0) = ? [pid 963] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=963, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 964 ./strace-static-x86_64: Process 964 attached [pid 964] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 964] setpgid(0, 0) = 0 [pid 964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 964] write(3, "1000", 4) = 4 [pid 964] close(3) = 0 [pid 964] memfd_create("syzkaller", 0) = 3 [pid 964] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 964] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 964] munmap(0x7f26a8533000, 131072) = 0 [pid 964] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 964] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 964] ioctl(4, LOOP_CLR_FD) = 0 [pid 964] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 964] close(4) = 0 [pid 964] close(3) = 0 [pid 964] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 964] open("./file0", O_RDONLY) = 3 [pid 964] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 964] unlink("./file0") = -1 EISDIR (Is a directory) [pid 964] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 964] exit_group(0) = ? [pid 964] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=964, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 965 ./strace-static-x86_64: Process 965 attached [pid 965] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 965] setpgid(0, 0) = 0 [pid 965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 965] write(3, "1000", 4) = 4 [pid 965] close(3) = 0 [pid 965] memfd_create("syzkaller", 0) = 3 [pid 965] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 965] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 965] munmap(0x7f26a8533000, 131072) = 0 [pid 965] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 965] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 965] ioctl(4, LOOP_CLR_FD) = 0 [pid 965] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 965] close(4) = 0 [pid 965] close(3) = 0 [pid 965] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 965] open("./file0", O_RDONLY) = 3 [pid 965] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 965] unlink("./file0") = -1 EISDIR (Is a directory) [pid 965] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 965] exit_group(0) = ? [pid 965] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=965, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 966 ./strace-static-x86_64: Process 966 attached [pid 966] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 966] setpgid(0, 0) = 0 [pid 966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 966] write(3, "1000", 4) = 4 [pid 966] close(3) = 0 [pid 966] memfd_create("syzkaller", 0) = 3 [pid 966] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 966] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 966] munmap(0x7f26a8533000, 131072) = 0 [pid 966] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 966] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 966] ioctl(4, LOOP_CLR_FD) = 0 [pid 966] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 966] close(4) = 0 [pid 966] close(3) = 0 [pid 966] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 966] open("./file0", O_RDONLY) = 3 [pid 966] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 966] unlink("./file0") = -1 EISDIR (Is a directory) [pid 966] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 966] exit_group(0) = ? [pid 966] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=966, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 967 ./strace-static-x86_64: Process 967 attached [pid 967] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 967] setpgid(0, 0) = 0 [pid 967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 967] write(3, "1000", 4) = 4 [pid 967] close(3) = 0 [pid 967] memfd_create("syzkaller", 0) = 3 [pid 967] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 967] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 967] munmap(0x7f26a8533000, 131072) = 0 [pid 967] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 967] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 967] ioctl(4, LOOP_CLR_FD) = 0 [pid 967] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 967] close(4) = 0 [pid 967] close(3) = 0 [pid 967] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 967] open("./file0", O_RDONLY) = 3 [pid 967] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 967] unlink("./file0") = -1 EISDIR (Is a directory) [pid 967] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 967] exit_group(0) = ? [pid 967] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=967, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 968 attached , child_tidptr=0x555556e0f5d0) = 968 [pid 968] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 968] setpgid(0, 0) = 0 [pid 968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 968] write(3, "1000", 4) = 4 [pid 968] close(3) = 0 [pid 968] memfd_create("syzkaller", 0) = 3 [pid 968] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 968] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 968] munmap(0x7f26a8533000, 131072) = 0 [pid 968] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 968] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 968] ioctl(4, LOOP_CLR_FD) = 0 [pid 968] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 968] close(4) = 0 [pid 968] close(3) = 0 [pid 968] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 968] open("./file0", O_RDONLY) = 3 [pid 968] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 968] unlink("./file0") = -1 EISDIR (Is a directory) [pid 968] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 968] exit_group(0) = ? [pid 968] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=968, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 969 ./strace-static-x86_64: Process 969 attached [pid 969] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 969] setpgid(0, 0) = 0 [pid 969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 969] write(3, "1000", 4) = 4 [pid 969] close(3) = 0 [pid 969] memfd_create("syzkaller", 0) = 3 [pid 969] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 969] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 969] munmap(0x7f26a8533000, 131072) = 0 [pid 969] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 969] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 969] ioctl(4, LOOP_CLR_FD) = 0 [pid 969] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 969] close(4) = 0 [pid 969] close(3) = 0 [pid 969] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 969] open("./file0", O_RDONLY) = 3 [pid 969] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 969] unlink("./file0") = -1 EISDIR (Is a directory) [pid 969] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 969] exit_group(0) = ? [pid 969] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=969, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 970 ./strace-static-x86_64: Process 970 attached [pid 970] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 970] setpgid(0, 0) = 0 [pid 970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 970] write(3, "1000", 4) = 4 [pid 970] close(3) = 0 [pid 970] memfd_create("syzkaller", 0) = 3 [pid 970] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 970] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 970] munmap(0x7f26a8533000, 131072) = 0 [pid 970] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 970] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 970] ioctl(4, LOOP_CLR_FD) = 0 [pid 970] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 970] close(4) = 0 [pid 970] close(3) = 0 [pid 970] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 970] open("./file0", O_RDONLY) = 3 [pid 970] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 970] unlink("./file0") = -1 EISDIR (Is a directory) [pid 970] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 970] exit_group(0) = ? [pid 970] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=970, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 971 attached , child_tidptr=0x555556e0f5d0) = 971 [pid 971] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 971] setpgid(0, 0) = 0 [pid 971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 971] write(3, "1000", 4) = 4 [pid 971] close(3) = 0 [pid 971] memfd_create("syzkaller", 0) = 3 [pid 971] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 971] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 971] munmap(0x7f26a8533000, 131072) = 0 [pid 971] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 971] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 971] ioctl(4, LOOP_CLR_FD) = 0 [pid 971] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 971] close(4) = 0 [pid 971] close(3) = 0 [pid 971] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 971] open("./file0", O_RDONLY) = 3 [pid 971] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 971] unlink("./file0") = -1 EISDIR (Is a directory) [pid 971] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 971] exit_group(0) = ? [pid 971] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=971, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 972 ./strace-static-x86_64: Process 972 attached [pid 972] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 972] setpgid(0, 0) = 0 [pid 972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 972] write(3, "1000", 4) = 4 [pid 972] close(3) = 0 [pid 972] memfd_create("syzkaller", 0) = 3 [pid 972] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 972] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 972] munmap(0x7f26a8533000, 131072) = 0 [pid 972] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 972] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 972] ioctl(4, LOOP_CLR_FD) = 0 [pid 972] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 972] close(4) = 0 [pid 972] close(3) = 0 [pid 972] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 972] open("./file0", O_RDONLY) = 3 [pid 972] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 972] unlink("./file0") = -1 EISDIR (Is a directory) [pid 972] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 972] exit_group(0) = ? [pid 972] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=972, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 973 ./strace-static-x86_64: Process 973 attached [pid 973] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 973] setpgid(0, 0) = 0 [pid 973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 973] write(3, "1000", 4) = 4 [pid 973] close(3) = 0 [pid 973] memfd_create("syzkaller", 0) = 3 [pid 973] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 973] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 973] munmap(0x7f26a8533000, 131072) = 0 [pid 973] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 973] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 973] ioctl(4, LOOP_CLR_FD) = 0 [pid 973] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 973] close(4) = 0 [pid 973] close(3) = 0 [pid 973] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 973] open("./file0", O_RDONLY) = 3 [pid 973] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 973] unlink("./file0") = -1 EISDIR (Is a directory) [pid 973] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 973] exit_group(0) = ? [pid 973] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=973, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 974 ./strace-static-x86_64: Process 974 attached [pid 974] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 974] setpgid(0, 0) = 0 [pid 974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 974] write(3, "1000", 4) = 4 [pid 974] close(3) = 0 [pid 974] memfd_create("syzkaller", 0) = 3 [pid 974] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 974] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 974] munmap(0x7f26a8533000, 131072) = 0 [pid 974] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 974] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 974] ioctl(4, LOOP_CLR_FD) = 0 [pid 974] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 974] close(4) = 0 [pid 974] close(3) = 0 [pid 974] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 974] open("./file0", O_RDONLY) = 3 [pid 974] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 974] unlink("./file0") = -1 EISDIR (Is a directory) [pid 974] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 974] exit_group(0) = ? [pid 974] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=974, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 975 ./strace-static-x86_64: Process 975 attached [pid 975] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 975] setpgid(0, 0) = 0 [pid 975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 975] write(3, "1000", 4) = 4 [pid 975] close(3) = 0 [pid 975] memfd_create("syzkaller", 0) = 3 [pid 975] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 975] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 975] munmap(0x7f26a8533000, 131072) = 0 [pid 975] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 975] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 975] ioctl(4, LOOP_CLR_FD) = 0 [pid 975] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 975] close(4) = 0 [pid 975] close(3) = 0 [pid 975] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 975] open("./file0", O_RDONLY) = 3 [pid 975] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 975] unlink("./file0") = -1 EISDIR (Is a directory) [pid 975] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 975] exit_group(0) = ? [pid 975] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=975, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 976 ./strace-static-x86_64: Process 976 attached [pid 976] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 976] setpgid(0, 0) = 0 [pid 976] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 976] write(3, "1000", 4) = 4 [pid 976] close(3) = 0 [pid 976] memfd_create("syzkaller", 0) = 3 [pid 976] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 976] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 976] munmap(0x7f26a8533000, 131072) = 0 [pid 976] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 976] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 976] ioctl(4, LOOP_CLR_FD) = 0 [pid 976] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 976] close(4) = 0 [pid 976] close(3) = 0 [pid 976] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 976] open("./file0", O_RDONLY) = 3 [pid 976] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 976] unlink("./file0") = -1 EISDIR (Is a directory) [pid 976] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 976] exit_group(0) = ? [pid 976] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=976, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 977 ./strace-static-x86_64: Process 977 attached [pid 977] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 977] setpgid(0, 0) = 0 [pid 977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 977] write(3, "1000", 4) = 4 [pid 977] close(3) = 0 [pid 977] memfd_create("syzkaller", 0) = 3 [pid 977] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 977] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 977] munmap(0x7f26a8533000, 131072) = 0 [pid 977] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 977] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 977] ioctl(4, LOOP_CLR_FD) = 0 [pid 977] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 977] close(4) = 0 [pid 977] close(3) = 0 [pid 977] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 977] open("./file0", O_RDONLY) = 3 [pid 977] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 977] unlink("./file0") = -1 EISDIR (Is a directory) [pid 977] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 977] exit_group(0) = ? [pid 977] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=977, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 978 ./strace-static-x86_64: Process 978 attached [pid 978] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 978] setpgid(0, 0) = 0 [pid 978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 978] write(3, "1000", 4) = 4 [pid 978] close(3) = 0 [pid 978] memfd_create("syzkaller", 0) = 3 [pid 978] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 978] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 978] munmap(0x7f26a8533000, 131072) = 0 [pid 978] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 978] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 978] ioctl(4, LOOP_CLR_FD) = 0 [pid 978] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 978] close(4) = 0 [pid 978] close(3) = 0 [pid 978] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 978] open("./file0", O_RDONLY) = 3 [pid 978] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 978] unlink("./file0") = -1 EISDIR (Is a directory) [pid 978] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 978] exit_group(0) = ? [pid 978] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=978, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 979 ./strace-static-x86_64: Process 979 attached [pid 979] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 979] setpgid(0, 0) = 0 [pid 979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 979] write(3, "1000", 4) = 4 [pid 979] close(3) = 0 [pid 979] memfd_create("syzkaller", 0) = 3 [pid 979] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 979] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 979] munmap(0x7f26a8533000, 131072) = 0 [pid 979] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 979] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 979] ioctl(4, LOOP_CLR_FD) = 0 [pid 979] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 979] close(4) = 0 [pid 979] close(3) = 0 [pid 979] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 979] open("./file0", O_RDONLY) = 3 [pid 979] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 979] unlink("./file0") = -1 EISDIR (Is a directory) [pid 979] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 979] exit_group(0) = ? [pid 979] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=979, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 980 ./strace-static-x86_64: Process 980 attached [pid 980] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 980] setpgid(0, 0) = 0 [pid 980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 980] write(3, "1000", 4) = 4 [pid 980] close(3) = 0 [pid 980] memfd_create("syzkaller", 0) = 3 [pid 980] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 980] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 980] munmap(0x7f26a8533000, 131072) = 0 [pid 980] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 980] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 980] ioctl(4, LOOP_CLR_FD) = 0 [pid 980] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 980] close(4) = 0 [pid 980] close(3) = 0 [pid 980] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 980] open("./file0", O_RDONLY) = 3 [pid 980] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 980] unlink("./file0") = -1 EISDIR (Is a directory) [pid 980] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 980] exit_group(0) = ? [pid 980] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=980, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 981 ./strace-static-x86_64: Process 981 attached [pid 981] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 981] setpgid(0, 0) = 0 [pid 981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 981] write(3, "1000", 4) = 4 [pid 981] close(3) = 0 [pid 981] memfd_create("syzkaller", 0) = 3 [pid 981] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 981] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 981] munmap(0x7f26a8533000, 131072) = 0 [pid 981] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 981] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 981] ioctl(4, LOOP_CLR_FD) = 0 [pid 981] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 981] close(4) = 0 [pid 981] close(3) = 0 [pid 981] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 981] open("./file0", O_RDONLY) = 3 [pid 981] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 981] unlink("./file0") = -1 EISDIR (Is a directory) [pid 981] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 981] exit_group(0) = ? [pid 981] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=981, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 982 ./strace-static-x86_64: Process 982 attached [pid 982] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 982] setpgid(0, 0) = 0 [pid 982] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 982] write(3, "1000", 4) = 4 [pid 982] close(3) = 0 [pid 982] memfd_create("syzkaller", 0) = 3 [pid 982] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 982] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 982] munmap(0x7f26a8533000, 131072) = 0 [pid 982] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 982] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 982] ioctl(4, LOOP_CLR_FD) = 0 [pid 982] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 982] close(4) = 0 [pid 982] close(3) = 0 [pid 982] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 982] open("./file0", O_RDONLY) = 3 [pid 982] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 982] unlink("./file0") = -1 EISDIR (Is a directory) [pid 982] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 982] exit_group(0) = ? [pid 982] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=982, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 983 ./strace-static-x86_64: Process 983 attached [pid 983] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 983] setpgid(0, 0) = 0 [pid 983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 983] write(3, "1000", 4) = 4 [pid 983] close(3) = 0 [pid 983] memfd_create("syzkaller", 0) = 3 [pid 983] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 983] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 983] munmap(0x7f26a8533000, 131072) = 0 [pid 983] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 983] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 983] ioctl(4, LOOP_CLR_FD) = 0 [pid 983] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 983] close(4) = 0 [pid 983] close(3) = 0 [pid 983] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 983] open("./file0", O_RDONLY) = 3 [pid 983] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 983] unlink("./file0") = -1 EISDIR (Is a directory) [pid 983] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 983] exit_group(0) = ? [pid 983] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=983, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 984 ./strace-static-x86_64: Process 984 attached [pid 984] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 984] setpgid(0, 0) = 0 [pid 984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 984] write(3, "1000", 4) = 4 [pid 984] close(3) = 0 [pid 984] memfd_create("syzkaller", 0) = 3 [pid 984] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 984] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 984] munmap(0x7f26a8533000, 131072) = 0 [pid 984] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 984] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 984] ioctl(4, LOOP_CLR_FD) = 0 [pid 984] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 984] close(4) = 0 [pid 984] close(3) = 0 [pid 984] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 984] open("./file0", O_RDONLY) = 3 [pid 984] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 984] unlink("./file0") = -1 EISDIR (Is a directory) [pid 984] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 984] exit_group(0) = ? [pid 984] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=984, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 985 ./strace-static-x86_64: Process 985 attached [pid 985] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 985] setpgid(0, 0) = 0 [pid 985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 985] write(3, "1000", 4) = 4 [pid 985] close(3) = 0 [pid 985] memfd_create("syzkaller", 0) = 3 [pid 985] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 985] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 985] munmap(0x7f26a8533000, 131072) = 0 [pid 985] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 985] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 985] ioctl(4, LOOP_CLR_FD) = 0 [pid 985] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 985] close(4) = 0 [pid 985] close(3) = 0 [pid 985] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 985] open("./file0", O_RDONLY) = 3 [pid 985] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 985] unlink("./file0") = -1 EISDIR (Is a directory) [pid 985] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 985] exit_group(0) = ? [pid 985] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=985, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 986 ./strace-static-x86_64: Process 986 attached [pid 986] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 986] setpgid(0, 0) = 0 [pid 986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 986] write(3, "1000", 4) = 4 [pid 986] close(3) = 0 [pid 986] memfd_create("syzkaller", 0) = 3 [pid 986] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 986] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 986] munmap(0x7f26a8533000, 131072) = 0 [pid 986] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 986] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 986] ioctl(4, LOOP_CLR_FD) = 0 [pid 986] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 986] close(4) = 0 [pid 986] close(3) = 0 [pid 986] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 986] open("./file0", O_RDONLY) = 3 [pid 986] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 986] unlink("./file0") = -1 EISDIR (Is a directory) [pid 986] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 986] exit_group(0) = ? [pid 986] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=986, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 987 ./strace-static-x86_64: Process 987 attached [pid 987] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 987] setpgid(0, 0) = 0 [pid 987] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 987] write(3, "1000", 4) = 4 [pid 987] close(3) = 0 [pid 987] memfd_create("syzkaller", 0) = 3 [pid 987] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 987] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 987] munmap(0x7f26a8533000, 131072) = 0 [pid 987] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 987] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 987] ioctl(4, LOOP_CLR_FD) = 0 [pid 987] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 987] close(4) = 0 [pid 987] close(3) = 0 [pid 987] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 987] open("./file0", O_RDONLY) = 3 [pid 987] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 987] unlink("./file0") = -1 EISDIR (Is a directory) [pid 987] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 987] exit_group(0) = ? [pid 987] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=987, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 988 ./strace-static-x86_64: Process 988 attached [pid 988] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 988] setpgid(0, 0) = 0 [pid 988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 988] write(3, "1000", 4) = 4 [pid 988] close(3) = 0 [pid 988] memfd_create("syzkaller", 0) = 3 [pid 988] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 988] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 988] munmap(0x7f26a8533000, 131072) = 0 [pid 988] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 988] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 988] ioctl(4, LOOP_CLR_FD) = 0 [pid 988] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 988] close(4) = 0 [pid 988] close(3) = 0 [pid 988] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 988] open("./file0", O_RDONLY) = 3 [pid 988] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 988] unlink("./file0") = -1 EISDIR (Is a directory) [pid 988] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 988] exit_group(0) = ? [pid 988] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=988, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 989 ./strace-static-x86_64: Process 989 attached [pid 989] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 989] setpgid(0, 0) = 0 [pid 989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 989] write(3, "1000", 4) = 4 [pid 989] close(3) = 0 [pid 989] memfd_create("syzkaller", 0) = 3 [pid 989] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 989] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 989] munmap(0x7f26a8533000, 131072) = 0 [pid 989] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 989] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 989] ioctl(4, LOOP_CLR_FD) = 0 [pid 989] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 989] close(4) = 0 [pid 989] close(3) = 0 [pid 989] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 989] open("./file0", O_RDONLY) = 3 [pid 989] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 989] unlink("./file0") = -1 EISDIR (Is a directory) [pid 989] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 989] exit_group(0) = ? [pid 989] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=989, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 990 ./strace-static-x86_64: Process 990 attached [pid 990] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 990] setpgid(0, 0) = 0 [pid 990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 990] write(3, "1000", 4) = 4 [pid 990] close(3) = 0 [pid 990] memfd_create("syzkaller", 0) = 3 [pid 990] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 990] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 990] munmap(0x7f26a8533000, 131072) = 0 [pid 990] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 990] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 990] ioctl(4, LOOP_CLR_FD) = 0 [pid 990] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 990] close(4) = 0 [pid 990] close(3) = 0 [pid 990] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 990] open("./file0", O_RDONLY) = 3 [pid 990] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 990] unlink("./file0") = -1 EISDIR (Is a directory) [pid 990] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 990] exit_group(0) = ? [pid 990] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=990, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 991 ./strace-static-x86_64: Process 991 attached [pid 991] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 991] setpgid(0, 0) = 0 [pid 991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 991] write(3, "1000", 4) = 4 [pid 991] close(3) = 0 [pid 991] memfd_create("syzkaller", 0) = 3 [pid 991] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 991] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 991] munmap(0x7f26a8533000, 131072) = 0 [pid 991] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 991] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 991] ioctl(4, LOOP_CLR_FD) = 0 [pid 991] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 991] close(4) = 0 [pid 991] close(3) = 0 [pid 991] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 991] open("./file0", O_RDONLY) = 3 [pid 991] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 991] unlink("./file0") = -1 EISDIR (Is a directory) [pid 991] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 991] exit_group(0) = ? [pid 991] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=991, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 992 ./strace-static-x86_64: Process 992 attached [pid 992] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 992] setpgid(0, 0) = 0 [pid 992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 992] write(3, "1000", 4) = 4 [pid 992] close(3) = 0 [pid 992] memfd_create("syzkaller", 0) = 3 [pid 992] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 992] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 992] munmap(0x7f26a8533000, 131072) = 0 [pid 992] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 992] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 992] ioctl(4, LOOP_CLR_FD) = 0 [pid 992] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 992] close(4) = 0 [pid 992] close(3) = 0 [pid 992] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 992] open("./file0", O_RDONLY) = 3 [pid 992] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 992] unlink("./file0") = -1 EISDIR (Is a directory) [pid 992] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 992] exit_group(0) = ? [pid 992] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=992, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 993 ./strace-static-x86_64: Process 993 attached [pid 993] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 993] setpgid(0, 0) = 0 [pid 993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 993] write(3, "1000", 4) = 4 [pid 993] close(3) = 0 [pid 993] memfd_create("syzkaller", 0) = 3 [pid 993] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 993] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 993] munmap(0x7f26a8533000, 131072) = 0 [pid 993] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 993] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 993] ioctl(4, LOOP_CLR_FD) = 0 [pid 993] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 993] close(4) = 0 [pid 993] close(3) = 0 [pid 993] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 993] open("./file0", O_RDONLY) = 3 [pid 993] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 993] unlink("./file0") = -1 EISDIR (Is a directory) [pid 993] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 993] exit_group(0) = ? [pid 993] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=993, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 994 ./strace-static-x86_64: Process 994 attached [pid 994] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 994] setpgid(0, 0) = 0 [pid 994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 994] write(3, "1000", 4) = 4 [pid 994] close(3) = 0 [pid 994] memfd_create("syzkaller", 0) = 3 [pid 994] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 994] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 994] munmap(0x7f26a8533000, 131072) = 0 [pid 994] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 994] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 994] ioctl(4, LOOP_CLR_FD) = 0 [pid 994] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 994] close(4) = 0 [pid 994] close(3) = 0 [pid 994] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 994] open("./file0", O_RDONLY) = 3 [pid 994] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 994] unlink("./file0") = -1 EISDIR (Is a directory) [pid 994] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 994] exit_group(0) = ? [pid 994] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=994, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 995 attached , child_tidptr=0x555556e0f5d0) = 995 [pid 995] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 995] setpgid(0, 0) = 0 [pid 995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 995] write(3, "1000", 4) = 4 [pid 995] close(3) = 0 [pid 995] memfd_create("syzkaller", 0) = 3 [pid 995] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 995] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 995] munmap(0x7f26a8533000, 131072) = 0 [pid 995] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 995] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 995] ioctl(4, LOOP_CLR_FD) = 0 [pid 995] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 995] close(4) = 0 [pid 995] close(3) = 0 [pid 995] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 995] open("./file0", O_RDONLY) = 3 [pid 995] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 995] unlink("./file0") = -1 EISDIR (Is a directory) [pid 995] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 995] exit_group(0) = ? [pid 995] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=995, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 996 attached [pid 996] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 407] <... clone resumed>, child_tidptr=0x555556e0f5d0) = 996 [pid 996] <... prctl resumed>) = 0 [pid 996] setpgid(0, 0) = 0 [pid 996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 996] write(3, "1000", 4) = 4 [pid 996] close(3) = 0 [pid 996] memfd_create("syzkaller", 0) = 3 [pid 996] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 996] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 996] munmap(0x7f26a8533000, 131072) = 0 [pid 996] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 996] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 996] ioctl(4, LOOP_CLR_FD) = 0 [pid 996] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 996] close(4) = 0 [pid 996] close(3) = 0 [pid 996] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 996] open("./file0", O_RDONLY) = 3 [pid 996] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 996] unlink("./file0") = -1 EISDIR (Is a directory) [pid 996] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 996] exit_group(0) = ? [pid 996] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=996, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 997 ./strace-static-x86_64: Process 997 attached [pid 997] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 997] setpgid(0, 0) = 0 [pid 997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 997] write(3, "1000", 4) = 4 [pid 997] close(3) = 0 [pid 997] memfd_create("syzkaller", 0) = 3 [pid 997] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 997] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 997] munmap(0x7f26a8533000, 131072) = 0 [pid 997] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 997] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 997] ioctl(4, LOOP_CLR_FD) = 0 [pid 997] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 997] close(4) = 0 [pid 997] close(3) = 0 [pid 997] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 997] open("./file0", O_RDONLY) = 3 [pid 997] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 997] unlink("./file0") = -1 EISDIR (Is a directory) [pid 997] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 997] exit_group(0) = ? [pid 997] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=997, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 998 ./strace-static-x86_64: Process 998 attached [pid 998] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 998] setpgid(0, 0) = 0 [pid 998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 998] write(3, "1000", 4) = 4 [pid 998] close(3) = 0 [pid 998] memfd_create("syzkaller", 0) = 3 [pid 998] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 998] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 998] munmap(0x7f26a8533000, 131072) = 0 [pid 998] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 998] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 998] ioctl(4, LOOP_CLR_FD) = 0 [pid 998] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 998] close(4) = 0 [pid 998] close(3) = 0 [pid 998] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 998] open("./file0", O_RDONLY) = 3 [pid 998] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 998] unlink("./file0") = -1 EISDIR (Is a directory) [pid 998] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 998] exit_group(0) = ? [pid 998] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=998, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 999 ./strace-static-x86_64: Process 999 attached [pid 999] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 999] setpgid(0, 0) = 0 [pid 999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 999] write(3, "1000", 4) = 4 [pid 999] close(3) = 0 [pid 999] memfd_create("syzkaller", 0) = 3 [pid 999] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 999] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 999] munmap(0x7f26a8533000, 131072) = 0 [pid 999] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 999] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 999] ioctl(4, LOOP_CLR_FD) = 0 [pid 999] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 999] close(4) = 0 [pid 999] close(3) = 0 [pid 999] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 999] open("./file0", O_RDONLY) = 3 [pid 999] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 999] unlink("./file0") = -1 EISDIR (Is a directory) [pid 999] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 999] exit_group(0) = ? [pid 999] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=999, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1000 ./strace-static-x86_64: Process 1000 attached [pid 1000] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1000] setpgid(0, 0) = 0 [pid 1000] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1000] write(3, "1000", 4) = 4 [pid 1000] close(3) = 0 [pid 1000] memfd_create("syzkaller", 0) = 3 [pid 1000] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1000] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1000] munmap(0x7f26a8533000, 131072) = 0 [pid 1000] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1000] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1000] ioctl(4, LOOP_CLR_FD) = 0 [pid 1000] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1000] close(4) = 0 [pid 1000] close(3) = 0 [pid 1000] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1000] open("./file0", O_RDONLY) = 3 [pid 1000] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1000] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1000] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1000] exit_group(0) = ? [pid 1000] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1000, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1001 ./strace-static-x86_64: Process 1001 attached [pid 1001] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1001] setpgid(0, 0) = 0 [pid 1001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1001] write(3, "1000", 4) = 4 [pid 1001] close(3) = 0 [pid 1001] memfd_create("syzkaller", 0) = 3 [pid 1001] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1001] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1001] munmap(0x7f26a8533000, 131072) = 0 [pid 1001] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1001] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1001] ioctl(4, LOOP_CLR_FD) = 0 [pid 1001] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1001] close(4) = 0 [pid 1001] close(3) = 0 [pid 1001] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1001] open("./file0", O_RDONLY) = 3 [pid 1001] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1001] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1001] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1001] exit_group(0) = ? [pid 1001] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1001, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1002 ./strace-static-x86_64: Process 1002 attached [pid 1002] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1002] setpgid(0, 0) = 0 [pid 1002] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1002] write(3, "1000", 4) = 4 [pid 1002] close(3) = 0 [pid 1002] memfd_create("syzkaller", 0) = 3 [pid 1002] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1002] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1002] munmap(0x7f26a8533000, 131072) = 0 [pid 1002] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1002] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1002] ioctl(4, LOOP_CLR_FD) = 0 [pid 1002] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1002] close(4) = 0 [pid 1002] close(3) = 0 [pid 1002] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1002] open("./file0", O_RDONLY) = 3 [pid 1002] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1002] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1002] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1002] exit_group(0) = ? [pid 1002] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1002, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1003 ./strace-static-x86_64: Process 1003 attached [pid 1003] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1003] setpgid(0, 0) = 0 [pid 1003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1003] write(3, "1000", 4) = 4 [pid 1003] close(3) = 0 [pid 1003] memfd_create("syzkaller", 0) = 3 [pid 1003] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1003] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1003] munmap(0x7f26a8533000, 131072) = 0 [pid 1003] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1003] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1003] ioctl(4, LOOP_CLR_FD) = 0 [pid 1003] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1003] close(4) = 0 [pid 1003] close(3) = 0 [pid 1003] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1003] open("./file0", O_RDONLY) = 3 [pid 1003] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1003] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1003] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1003] exit_group(0) = ? [pid 1003] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1003, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1004 ./strace-static-x86_64: Process 1004 attached [pid 1004] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1004] setpgid(0, 0) = 0 [pid 1004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1004] write(3, "1000", 4) = 4 [pid 1004] close(3) = 0 [pid 1004] memfd_create("syzkaller", 0) = 3 [pid 1004] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1004] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1004] munmap(0x7f26a8533000, 131072) = 0 [pid 1004] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1004] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1004] ioctl(4, LOOP_CLR_FD) = 0 [pid 1004] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1004] close(4) = 0 [pid 1004] close(3) = 0 [pid 1004] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1004] open("./file0", O_RDONLY) = 3 [pid 1004] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1004] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1004] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1004] exit_group(0) = ? [pid 1004] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1004, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1006 ./strace-static-x86_64: Process 1006 attached [pid 1006] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1006] setpgid(0, 0) = 0 [pid 1006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1006] write(3, "1000", 4) = 4 [pid 1006] close(3) = 0 [pid 1006] memfd_create("syzkaller", 0) = 3 [pid 1006] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1006] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1006] munmap(0x7f26a8533000, 131072) = 0 [pid 1006] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1006] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1006] ioctl(4, LOOP_CLR_FD) = 0 [pid 1006] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1006] close(4) = 0 [pid 1006] close(3) = 0 [pid 1006] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1006] open("./file0", O_RDONLY) = 3 [pid 1006] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1006] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1006] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1006] exit_group(0) = ? [pid 1006] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1006, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1007 ./strace-static-x86_64: Process 1007 attached [pid 1007] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1007] setpgid(0, 0) = 0 [pid 1007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1007] write(3, "1000", 4) = 4 [pid 1007] close(3) = 0 [pid 1007] memfd_create("syzkaller", 0) = 3 [pid 1007] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1007] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1007] munmap(0x7f26a8533000, 131072) = 0 [pid 1007] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1007] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1007] ioctl(4, LOOP_CLR_FD) = 0 [pid 1007] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1007] close(4) = 0 [pid 1007] close(3) = 0 [pid 1007] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1007] open("./file0", O_RDONLY) = 3 [pid 1007] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1007] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1007] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1007] exit_group(0) = ? [pid 1007] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1007, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1008 ./strace-static-x86_64: Process 1008 attached [pid 1008] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1008] setpgid(0, 0) = 0 [pid 1008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1008] write(3, "1000", 4) = 4 [pid 1008] close(3) = 0 [pid 1008] memfd_create("syzkaller", 0) = 3 [pid 1008] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1008] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1008] munmap(0x7f26a8533000, 131072) = 0 [pid 1008] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1008] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1008] ioctl(4, LOOP_CLR_FD) = 0 [pid 1008] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1008] close(4) = 0 [pid 1008] close(3) = 0 [pid 1008] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1008] open("./file0", O_RDONLY) = 3 [pid 1008] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1008] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1008] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1008] exit_group(0) = ? [pid 1008] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1008, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1009 ./strace-static-x86_64: Process 1009 attached [pid 1009] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1009] setpgid(0, 0) = 0 [pid 1009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1009] write(3, "1000", 4) = 4 [pid 1009] close(3) = 0 [pid 1009] memfd_create("syzkaller", 0) = 3 [pid 1009] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1009] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1009] munmap(0x7f26a8533000, 131072) = 0 [pid 1009] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1009] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1009] ioctl(4, LOOP_CLR_FD) = 0 [pid 1009] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1009] close(4) = 0 [pid 1009] close(3) = 0 [pid 1009] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1009] open("./file0", O_RDONLY) = 3 [pid 1009] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1009] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1009] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1009] exit_group(0) = ? [pid 1009] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1009, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1010 ./strace-static-x86_64: Process 1010 attached [pid 1010] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1010] setpgid(0, 0) = 0 [pid 1010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1010] write(3, "1000", 4) = 4 [pid 1010] close(3) = 0 [pid 1010] memfd_create("syzkaller", 0) = 3 [pid 1010] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1010] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1010] munmap(0x7f26a8533000, 131072) = 0 [pid 1010] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1010] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1010] ioctl(4, LOOP_CLR_FD) = 0 [pid 1010] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1010] close(4) = 0 [pid 1010] close(3) = 0 [pid 1010] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1010] open("./file0", O_RDONLY) = 3 [pid 1010] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1010] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1010] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1010] exit_group(0) = ? [pid 1010] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1010, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1011 ./strace-static-x86_64: Process 1011 attached [pid 1011] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1011] setpgid(0, 0) = 0 [pid 1011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1011] write(3, "1000", 4) = 4 [pid 1011] close(3) = 0 [pid 1011] memfd_create("syzkaller", 0) = 3 [pid 1011] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1011] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1011] munmap(0x7f26a8533000, 131072) = 0 [pid 1011] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1011] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1011] ioctl(4, LOOP_CLR_FD) = 0 [pid 1011] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1011] close(4) = 0 [pid 1011] close(3) = 0 [pid 1011] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1011] open("./file0", O_RDONLY) = 3 [pid 1011] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1011] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1011] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1011] exit_group(0) = ? [pid 1011] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1011, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1012 ./strace-static-x86_64: Process 1012 attached [pid 1012] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1012] setpgid(0, 0) = 0 [pid 1012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1012] write(3, "1000", 4) = 4 [pid 1012] close(3) = 0 [pid 1012] memfd_create("syzkaller", 0) = 3 [pid 1012] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1012] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1012] munmap(0x7f26a8533000, 131072) = 0 [pid 1012] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1012] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1012] ioctl(4, LOOP_CLR_FD) = 0 [pid 1012] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1012] close(4) = 0 [pid 1012] close(3) = 0 [pid 1012] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1012] open("./file0", O_RDONLY) = 3 [pid 1012] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1012] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1012] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1012] exit_group(0) = ? [pid 1012] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1012, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1013 ./strace-static-x86_64: Process 1013 attached [pid 1013] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1013] setpgid(0, 0) = 0 [pid 1013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1013] write(3, "1000", 4) = 4 [pid 1013] close(3) = 0 [pid 1013] memfd_create("syzkaller", 0) = 3 [pid 1013] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1013] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1013] munmap(0x7f26a8533000, 131072) = 0 [pid 1013] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1013] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1013] ioctl(4, LOOP_CLR_FD) = 0 [pid 1013] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1013] close(4) = 0 [pid 1013] close(3) = 0 [pid 1013] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1013] open("./file0", O_RDONLY) = 3 [pid 1013] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1013] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1013] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1013] exit_group(0) = ? [pid 1013] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1013, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1014 ./strace-static-x86_64: Process 1014 attached [pid 1014] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1014] setpgid(0, 0) = 0 [pid 1014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1014] write(3, "1000", 4) = 4 [pid 1014] close(3) = 0 [pid 1014] memfd_create("syzkaller", 0) = 3 [pid 1014] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1014] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1014] munmap(0x7f26a8533000, 131072) = 0 [pid 1014] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1014] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1014] ioctl(4, LOOP_CLR_FD) = 0 [pid 1014] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1014] close(4) = 0 [pid 1014] close(3) = 0 [pid 1014] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1014] open("./file0", O_RDONLY) = 3 [pid 1014] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1014] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1014] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1014] exit_group(0) = ? [pid 1014] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1014, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1015 attached , child_tidptr=0x555556e0f5d0) = 1015 [pid 1015] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1015] setpgid(0, 0) = 0 [pid 1015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1015] write(3, "1000", 4) = 4 [pid 1015] close(3) = 0 [pid 1015] memfd_create("syzkaller", 0) = 3 [pid 1015] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1015] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1015] munmap(0x7f26a8533000, 131072) = 0 [pid 1015] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1015] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1015] ioctl(4, LOOP_CLR_FD) = 0 [pid 1015] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1015] close(4) = 0 [pid 1015] close(3) = 0 [pid 1015] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1015] open("./file0", O_RDONLY) = 3 [pid 1015] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1015] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1015] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1015] exit_group(0) = ? [pid 1015] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1015, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1016 attached , child_tidptr=0x555556e0f5d0) = 1016 [pid 1016] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1016] setpgid(0, 0) = 0 [pid 1016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1016] write(3, "1000", 4) = 4 [pid 1016] close(3) = 0 [pid 1016] memfd_create("syzkaller", 0) = 3 [pid 1016] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1016] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1016] munmap(0x7f26a8533000, 131072) = 0 [pid 1016] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1016] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1016] ioctl(4, LOOP_CLR_FD) = 0 [pid 1016] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1016] close(4) = 0 [pid 1016] close(3) = 0 [pid 1016] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1016] open("./file0", O_RDONLY) = 3 [pid 1016] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1016] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1016] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1016] exit_group(0) = ? [pid 1016] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1016, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1017 ./strace-static-x86_64: Process 1017 attached [pid 1017] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1017] setpgid(0, 0) = 0 [pid 1017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1017] write(3, "1000", 4) = 4 [pid 1017] close(3) = 0 [pid 1017] memfd_create("syzkaller", 0) = 3 [pid 1017] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1017] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1017] munmap(0x7f26a8533000, 131072) = 0 [pid 1017] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1017] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1017] ioctl(4, LOOP_CLR_FD) = 0 [pid 1017] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1017] close(4) = 0 [pid 1017] close(3) = 0 [pid 1017] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1017] open("./file0", O_RDONLY) = 3 [pid 1017] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1017] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1017] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1017] exit_group(0) = ? [pid 1017] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1017, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1018 ./strace-static-x86_64: Process 1018 attached [pid 1018] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1018] setpgid(0, 0) = 0 [pid 1018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1018] write(3, "1000", 4) = 4 [pid 1018] close(3) = 0 [pid 1018] memfd_create("syzkaller", 0) = 3 [pid 1018] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1018] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1018] munmap(0x7f26a8533000, 131072) = 0 [pid 1018] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1018] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1018] ioctl(4, LOOP_CLR_FD) = 0 [pid 1018] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1018] close(4) = 0 [pid 1018] close(3) = 0 [pid 1018] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1018] open("./file0", O_RDONLY) = 3 [pid 1018] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1018] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1018] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1018] exit_group(0) = ? [pid 1018] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1018, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1019 ./strace-static-x86_64: Process 1019 attached [pid 1019] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1019] setpgid(0, 0) = 0 [pid 1019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1019] write(3, "1000", 4) = 4 [pid 1019] close(3) = 0 [pid 1019] memfd_create("syzkaller", 0) = 3 [pid 1019] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1019] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1019] munmap(0x7f26a8533000, 131072) = 0 [pid 1019] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1019] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1019] ioctl(4, LOOP_CLR_FD) = 0 [pid 1019] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1019] close(4) = 0 [pid 1019] close(3) = 0 [pid 1019] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1019] open("./file0", O_RDONLY) = 3 [pid 1019] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1019] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1019] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1019] exit_group(0) = ? [pid 1019] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1019, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1020 ./strace-static-x86_64: Process 1020 attached [pid 1020] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1020] setpgid(0, 0) = 0 [pid 1020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1020] write(3, "1000", 4) = 4 [pid 1020] close(3) = 0 [pid 1020] memfd_create("syzkaller", 0) = 3 [pid 1020] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1020] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1020] munmap(0x7f26a8533000, 131072) = 0 [pid 1020] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1020] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1020] ioctl(4, LOOP_CLR_FD) = 0 [pid 1020] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1020] close(4) = 0 [pid 1020] close(3) = 0 [pid 1020] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1020] open("./file0", O_RDONLY) = 3 [pid 1020] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1020] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1020] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1020] exit_group(0) = ? [pid 1020] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1020, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1021 ./strace-static-x86_64: Process 1021 attached [pid 1021] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1021] setpgid(0, 0) = 0 [pid 1021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1021] write(3, "1000", 4) = 4 [pid 1021] close(3) = 0 [pid 1021] memfd_create("syzkaller", 0) = 3 [pid 1021] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1021] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1021] munmap(0x7f26a8533000, 131072) = 0 [pid 1021] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1021] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1021] ioctl(4, LOOP_CLR_FD) = 0 [pid 1021] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1021] close(4) = 0 [pid 1021] close(3) = 0 [pid 1021] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1021] open("./file0", O_RDONLY) = 3 [pid 1021] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1021] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1021] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1021] exit_group(0) = ? [pid 1021] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1021, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1022 ./strace-static-x86_64: Process 1022 attached [pid 1022] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1022] setpgid(0, 0) = 0 [pid 1022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1022] write(3, "1000", 4) = 4 [pid 1022] close(3) = 0 [pid 1022] memfd_create("syzkaller", 0) = 3 [pid 1022] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1022] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1022] munmap(0x7f26a8533000, 131072) = 0 [pid 1022] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1022] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1022] ioctl(4, LOOP_CLR_FD) = 0 [pid 1022] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1022] close(4) = 0 [pid 1022] close(3) = 0 [pid 1022] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1022] open("./file0", O_RDONLY) = 3 [pid 1022] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1022] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1022] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1022] exit_group(0) = ? [pid 1022] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1022, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1023 ./strace-static-x86_64: Process 1023 attached [pid 1023] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1023] setpgid(0, 0) = 0 [pid 1023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1023] write(3, "1000", 4) = 4 [pid 1023] close(3) = 0 [pid 1023] memfd_create("syzkaller", 0) = 3 [pid 1023] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1023] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1023] munmap(0x7f26a8533000, 131072) = 0 [pid 1023] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1023] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1023] ioctl(4, LOOP_CLR_FD) = 0 [pid 1023] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1023] close(4) = 0 [pid 1023] close(3) = 0 [pid 1023] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1023] open("./file0", O_RDONLY) = 3 [pid 1023] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1023] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1023] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1023] exit_group(0) = ? [pid 1023] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1023, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1024 ./strace-static-x86_64: Process 1024 attached [pid 1024] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1024] setpgid(0, 0) = 0 [pid 1024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1024] write(3, "1000", 4) = 4 [pid 1024] close(3) = 0 [pid 1024] memfd_create("syzkaller", 0) = 3 [pid 1024] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1024] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1024] munmap(0x7f26a8533000, 131072) = 0 [pid 1024] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1024] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1024] ioctl(4, LOOP_CLR_FD) = 0 [pid 1024] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1024] close(4) = 0 [pid 1024] close(3) = 0 [pid 1024] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1024] open("./file0", O_RDONLY) = 3 [pid 1024] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1024] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1024] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1024] exit_group(0) = ? [pid 1024] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1024, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1025 ./strace-static-x86_64: Process 1025 attached [pid 1025] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1025] setpgid(0, 0) = 0 [pid 1025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1025] write(3, "1000", 4) = 4 [pid 1025] close(3) = 0 [pid 1025] memfd_create("syzkaller", 0) = 3 [pid 1025] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1025] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1025] munmap(0x7f26a8533000, 131072) = 0 [pid 1025] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1025] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1025] ioctl(4, LOOP_CLR_FD) = 0 [pid 1025] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1025] close(4) = 0 [pid 1025] close(3) = 0 [pid 1025] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1025] open("./file0", O_RDONLY) = 3 [pid 1025] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1025] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1025] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1025] exit_group(0) = ? [pid 1025] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1025, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1026 ./strace-static-x86_64: Process 1026 attached [pid 1026] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1026] setpgid(0, 0) = 0 [pid 1026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1026] write(3, "1000", 4) = 4 [pid 1026] close(3) = 0 [pid 1026] memfd_create("syzkaller", 0) = 3 [pid 1026] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1026] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1026] munmap(0x7f26a8533000, 131072) = 0 [pid 1026] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1026] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1026] ioctl(4, LOOP_CLR_FD) = 0 [pid 1026] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1026] close(4) = 0 [pid 1026] close(3) = 0 [pid 1026] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1026] open("./file0", O_RDONLY) = 3 [pid 1026] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1026] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1026] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1026] exit_group(0) = ? [pid 1026] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1026, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1027 ./strace-static-x86_64: Process 1027 attached [pid 1027] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1027] setpgid(0, 0) = 0 [pid 1027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1027] write(3, "1000", 4) = 4 [pid 1027] close(3) = 0 [pid 1027] memfd_create("syzkaller", 0) = 3 [pid 1027] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1027] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1027] munmap(0x7f26a8533000, 131072) = 0 [pid 1027] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1027] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1027] ioctl(4, LOOP_CLR_FD) = 0 [pid 1027] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1027] close(4) = 0 [pid 1027] close(3) = 0 [pid 1027] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1027] open("./file0", O_RDONLY) = 3 [pid 1027] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1027] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1027] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1027] exit_group(0) = ? [pid 1027] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1027, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1028 ./strace-static-x86_64: Process 1028 attached [pid 1028] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1028] setpgid(0, 0) = 0 [pid 1028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1028] write(3, "1000", 4) = 4 [pid 1028] close(3) = 0 [pid 1028] memfd_create("syzkaller", 0) = 3 [pid 1028] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1028] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1028] munmap(0x7f26a8533000, 131072) = 0 [pid 1028] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1028] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1028] ioctl(4, LOOP_CLR_FD) = 0 [pid 1028] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1028] close(4) = 0 [pid 1028] close(3) = 0 [pid 1028] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1028] open("./file0", O_RDONLY) = 3 [pid 1028] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1028] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1028] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1028] exit_group(0) = ? [pid 1028] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1028, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1029 ./strace-static-x86_64: Process 1029 attached [pid 1029] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1029] setpgid(0, 0) = 0 [pid 1029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1029] write(3, "1000", 4) = 4 [pid 1029] close(3) = 0 [pid 1029] memfd_create("syzkaller", 0) = 3 [pid 1029] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1029] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1029] munmap(0x7f26a8533000, 131072) = 0 [pid 1029] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1029] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1029] ioctl(4, LOOP_CLR_FD) = 0 [pid 1029] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1029] close(4) = 0 [pid 1029] close(3) = 0 [pid 1029] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1029] open("./file0", O_RDONLY) = 3 [pid 1029] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1029] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1029] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1029] exit_group(0) = ? [pid 1029] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1029, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1030 ./strace-static-x86_64: Process 1030 attached [pid 1030] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1030] setpgid(0, 0) = 0 [pid 1030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1030] write(3, "1000", 4) = 4 [pid 1030] close(3) = 0 [pid 1030] memfd_create("syzkaller", 0) = 3 [pid 1030] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1030] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1030] munmap(0x7f26a8533000, 131072) = 0 [pid 1030] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1030] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1030] ioctl(4, LOOP_CLR_FD) = 0 [pid 1030] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1030] close(4) = 0 [pid 1030] close(3) = 0 [pid 1030] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1030] open("./file0", O_RDONLY) = 3 [pid 1030] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1030] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1030] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1030] exit_group(0) = ? [pid 1030] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1030, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1031 ./strace-static-x86_64: Process 1031 attached [pid 1031] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1031] setpgid(0, 0) = 0 [pid 1031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1031] write(3, "1000", 4) = 4 [pid 1031] close(3) = 0 [pid 1031] memfd_create("syzkaller", 0) = 3 [pid 1031] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1031] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1031] munmap(0x7f26a8533000, 131072) = 0 [pid 1031] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1031] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1031] ioctl(4, LOOP_CLR_FD) = 0 [pid 1031] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1031] close(4) = 0 [pid 1031] close(3) = 0 [pid 1031] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1031] open("./file0", O_RDONLY) = 3 [pid 1031] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1031] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1031] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1031] exit_group(0) = ? [pid 1031] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1031, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1032 attached , child_tidptr=0x555556e0f5d0) = 1032 [pid 1032] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1032] setpgid(0, 0) = 0 [pid 1032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1032] write(3, "1000", 4) = 4 [pid 1032] close(3) = 0 [pid 1032] memfd_create("syzkaller", 0) = 3 [pid 1032] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1032] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1032] munmap(0x7f26a8533000, 131072) = 0 [pid 1032] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1032] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1032] ioctl(4, LOOP_CLR_FD) = 0 [pid 1032] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1032] close(4) = 0 [pid 1032] close(3) = 0 [pid 1032] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1032] open("./file0", O_RDONLY) = 3 [pid 1032] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1032] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1032] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1032] exit_group(0) = ? [pid 1032] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1032, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1033 ./strace-static-x86_64: Process 1033 attached [pid 1033] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1033] setpgid(0, 0) = 0 [pid 1033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1033] write(3, "1000", 4) = 4 [pid 1033] close(3) = 0 [pid 1033] memfd_create("syzkaller", 0) = 3 [pid 1033] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1033] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1033] munmap(0x7f26a8533000, 131072) = 0 [pid 1033] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1033] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1033] ioctl(4, LOOP_CLR_FD) = 0 [pid 1033] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1033] close(4) = 0 [pid 1033] close(3) = 0 [pid 1033] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1033] open("./file0", O_RDONLY) = 3 [pid 1033] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1033] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1033] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1033] exit_group(0) = ? [pid 1033] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1033, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1034 ./strace-static-x86_64: Process 1034 attached [pid 1034] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1034] setpgid(0, 0) = 0 [pid 1034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1034] write(3, "1000", 4) = 4 [pid 1034] close(3) = 0 [pid 1034] memfd_create("syzkaller", 0) = 3 [pid 1034] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1034] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1034] munmap(0x7f26a8533000, 131072) = 0 [pid 1034] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1034] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1034] ioctl(4, LOOP_CLR_FD) = 0 [pid 1034] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1034] close(4) = 0 [pid 1034] close(3) = 0 [pid 1034] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1034] open("./file0", O_RDONLY) = 3 [pid 1034] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1034] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1034] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1034] exit_group(0) = ? [pid 1034] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1034, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1035 ./strace-static-x86_64: Process 1035 attached [pid 1035] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1035] setpgid(0, 0) = 0 [pid 1035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1035] write(3, "1000", 4) = 4 [pid 1035] close(3) = 0 [pid 1035] memfd_create("syzkaller", 0) = 3 [pid 1035] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1035] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1035] munmap(0x7f26a8533000, 131072) = 0 [pid 1035] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1035] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1035] ioctl(4, LOOP_CLR_FD) = 0 [pid 1035] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1035] close(4) = 0 [pid 1035] close(3) = 0 [pid 1035] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1035] open("./file0", O_RDONLY) = 3 [pid 1035] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1035] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1035] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1035] exit_group(0) = ? [pid 1035] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1035, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1036 ./strace-static-x86_64: Process 1036 attached [pid 1036] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1036] setpgid(0, 0) = 0 [pid 1036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1036] write(3, "1000", 4) = 4 [pid 1036] close(3) = 0 [pid 1036] memfd_create("syzkaller", 0) = 3 [pid 1036] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1036] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1036] munmap(0x7f26a8533000, 131072) = 0 [pid 1036] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1036] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1036] ioctl(4, LOOP_CLR_FD) = 0 [pid 1036] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1036] close(4) = 0 [pid 1036] close(3) = 0 [pid 1036] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1036] open("./file0", O_RDONLY) = 3 [pid 1036] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1036] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1036] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1036] exit_group(0) = ? [pid 1036] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1036, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1037 ./strace-static-x86_64: Process 1037 attached [pid 1037] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1037] setpgid(0, 0) = 0 [pid 1037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1037] write(3, "1000", 4) = 4 [pid 1037] close(3) = 0 [pid 1037] memfd_create("syzkaller", 0) = 3 [pid 1037] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1037] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1037] munmap(0x7f26a8533000, 131072) = 0 [pid 1037] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1037] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1037] ioctl(4, LOOP_CLR_FD) = 0 [pid 1037] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1037] close(4) = 0 [pid 1037] close(3) = 0 [pid 1037] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1037] open("./file0", O_RDONLY) = 3 [pid 1037] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1037] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1037] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1037] exit_group(0) = ? [pid 1037] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1037, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1038 ./strace-static-x86_64: Process 1038 attached [pid 1038] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1038] setpgid(0, 0) = 0 [pid 1038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1038] write(3, "1000", 4) = 4 [pid 1038] close(3) = 0 [pid 1038] memfd_create("syzkaller", 0) = 3 [pid 1038] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1038] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1038] munmap(0x7f26a8533000, 131072) = 0 [pid 1038] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1038] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1038] ioctl(4, LOOP_CLR_FD) = 0 [pid 1038] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1038] close(4) = 0 [pid 1038] close(3) = 0 [pid 1038] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1038] open("./file0", O_RDONLY) = 3 [pid 1038] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1038] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1038] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1038] exit_group(0) = ? [pid 1038] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1038, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1039 ./strace-static-x86_64: Process 1039 attached [pid 1039] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1039] setpgid(0, 0) = 0 [pid 1039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1039] write(3, "1000", 4) = 4 [pid 1039] close(3) = 0 [pid 1039] memfd_create("syzkaller", 0) = 3 [pid 1039] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1039] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1039] munmap(0x7f26a8533000, 131072) = 0 [pid 1039] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1039] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1039] ioctl(4, LOOP_CLR_FD) = 0 [pid 1039] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1039] close(4) = 0 [pid 1039] close(3) = 0 [pid 1039] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1039] open("./file0", O_RDONLY) = 3 [pid 1039] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1039] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1039] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1039] exit_group(0) = ? [pid 1039] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1039, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1040 ./strace-static-x86_64: Process 1040 attached [pid 1040] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1040] setpgid(0, 0) = 0 [pid 1040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1040] write(3, "1000", 4) = 4 [pid 1040] close(3) = 0 [pid 1040] memfd_create("syzkaller", 0) = 3 [pid 1040] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1040] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1040] munmap(0x7f26a8533000, 131072) = 0 [pid 1040] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1040] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1040] ioctl(4, LOOP_CLR_FD) = 0 [pid 1040] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1040] close(4) = 0 [pid 1040] close(3) = 0 [pid 1040] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1040] open("./file0", O_RDONLY) = 3 [pid 1040] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1040] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1040] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1040] exit_group(0) = ? [pid 1040] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1040, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1041 ./strace-static-x86_64: Process 1041 attached [pid 1041] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1041] setpgid(0, 0) = 0 [pid 1041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1041] write(3, "1000", 4) = 4 [pid 1041] close(3) = 0 [pid 1041] memfd_create("syzkaller", 0) = 3 [pid 1041] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1041] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1041] munmap(0x7f26a8533000, 131072) = 0 [pid 1041] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1041] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1041] ioctl(4, LOOP_CLR_FD) = 0 [pid 1041] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1041] close(4) = 0 [pid 1041] close(3) = 0 [pid 1041] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1041] open("./file0", O_RDONLY) = 3 [pid 1041] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1041] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1041] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1041] exit_group(0) = ? [pid 1041] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1041, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1042 ./strace-static-x86_64: Process 1042 attached [pid 1042] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1042] setpgid(0, 0) = 0 [pid 1042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1042] write(3, "1000", 4) = 4 [pid 1042] close(3) = 0 [pid 1042] memfd_create("syzkaller", 0) = 3 [pid 1042] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1042] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1042] munmap(0x7f26a8533000, 131072) = 0 [pid 1042] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1042] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1042] ioctl(4, LOOP_CLR_FD) = 0 [pid 1042] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1042] close(4) = 0 [pid 1042] close(3) = 0 [pid 1042] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1042] open("./file0", O_RDONLY) = 3 [pid 1042] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1042] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1042] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1042] exit_group(0) = ? [pid 1042] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1042, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1043 ./strace-static-x86_64: Process 1043 attached [pid 1043] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1043] setpgid(0, 0) = 0 [pid 1043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1043] write(3, "1000", 4) = 4 [pid 1043] close(3) = 0 [pid 1043] memfd_create("syzkaller", 0) = 3 [pid 1043] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1043] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1043] munmap(0x7f26a8533000, 131072) = 0 [pid 1043] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1043] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1043] ioctl(4, LOOP_CLR_FD) = 0 [pid 1043] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1043] close(4) = 0 [pid 1043] close(3) = 0 [pid 1043] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1043] open("./file0", O_RDONLY) = 3 [pid 1043] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1043] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1043] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1043] exit_group(0) = ? [pid 1043] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1043, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1044 ./strace-static-x86_64: Process 1044 attached [pid 1044] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1044] setpgid(0, 0) = 0 [pid 1044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1044] write(3, "1000", 4) = 4 [pid 1044] close(3) = 0 [pid 1044] memfd_create("syzkaller", 0) = 3 [pid 1044] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1044] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1044] munmap(0x7f26a8533000, 131072) = 0 [pid 1044] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1044] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1044] ioctl(4, LOOP_CLR_FD) = 0 [pid 1044] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1044] close(4) = 0 [pid 1044] close(3) = 0 [pid 1044] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1044] open("./file0", O_RDONLY) = 3 [pid 1044] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1044] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1044] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1044] exit_group(0) = ? [pid 1044] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1044, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1045 ./strace-static-x86_64: Process 1045 attached [pid 1045] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1045] setpgid(0, 0) = 0 [pid 1045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1045] write(3, "1000", 4) = 4 [pid 1045] close(3) = 0 [pid 1045] memfd_create("syzkaller", 0) = 3 [pid 1045] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1045] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1045] munmap(0x7f26a8533000, 131072) = 0 [pid 1045] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1045] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1045] ioctl(4, LOOP_CLR_FD) = 0 [pid 1045] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1045] close(4) = 0 [pid 1045] close(3) = 0 [pid 1045] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1045] open("./file0", O_RDONLY) = 3 [pid 1045] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1045] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1045] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1045] exit_group(0) = ? [pid 1045] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1045, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1046 ./strace-static-x86_64: Process 1046 attached [pid 1046] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1046] setpgid(0, 0) = 0 [pid 1046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1046] write(3, "1000", 4) = 4 [pid 1046] close(3) = 0 [pid 1046] memfd_create("syzkaller", 0) = 3 [pid 1046] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1046] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1046] munmap(0x7f26a8533000, 131072) = 0 [pid 1046] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1046] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1046] ioctl(4, LOOP_CLR_FD) = 0 [pid 1046] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1046] close(4) = 0 [pid 1046] close(3) = 0 [pid 1046] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1046] open("./file0", O_RDONLY) = 3 [pid 1046] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1046] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1046] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1046] exit_group(0) = ? [pid 1046] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1046, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1047 ./strace-static-x86_64: Process 1047 attached [pid 1047] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1047] setpgid(0, 0) = 0 [pid 1047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1047] write(3, "1000", 4) = 4 [pid 1047] close(3) = 0 [pid 1047] memfd_create("syzkaller", 0) = 3 [pid 1047] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1047] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1047] munmap(0x7f26a8533000, 131072) = 0 [pid 1047] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1047] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1047] ioctl(4, LOOP_CLR_FD) = 0 [pid 1047] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1047] close(4) = 0 [pid 1047] close(3) = 0 [pid 1047] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1047] open("./file0", O_RDONLY) = 3 [pid 1047] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1047] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1047] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1047] exit_group(0) = ? [pid 1047] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1047, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1048 ./strace-static-x86_64: Process 1048 attached [pid 1048] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1048] setpgid(0, 0) = 0 [pid 1048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1048] write(3, "1000", 4) = 4 [pid 1048] close(3) = 0 [pid 1048] memfd_create("syzkaller", 0) = 3 [pid 1048] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1048] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1048] munmap(0x7f26a8533000, 131072) = 0 [pid 1048] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1048] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1048] ioctl(4, LOOP_CLR_FD) = 0 [pid 1048] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1048] close(4) = 0 [pid 1048] close(3) = 0 [pid 1048] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1048] open("./file0", O_RDONLY) = 3 [pid 1048] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1048] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1048] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1048] exit_group(0) = ? [pid 1048] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1048, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1049 attached , child_tidptr=0x555556e0f5d0) = 1049 [pid 1049] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1049] setpgid(0, 0) = 0 [pid 1049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1049] write(3, "1000", 4) = 4 [pid 1049] close(3) = 0 [pid 1049] memfd_create("syzkaller", 0) = 3 [pid 1049] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1049] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1049] munmap(0x7f26a8533000, 131072) = 0 [pid 1049] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1049] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1049] ioctl(4, LOOP_CLR_FD) = 0 [pid 1049] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1049] close(4) = 0 [pid 1049] close(3) = 0 [pid 1049] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1049] open("./file0", O_RDONLY) = 3 [pid 1049] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1049] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1049] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1049] exit_group(0) = ? [pid 1049] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1049, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1050 ./strace-static-x86_64: Process 1050 attached [pid 1050] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1050] setpgid(0, 0) = 0 [pid 1050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1050] write(3, "1000", 4) = 4 [pid 1050] close(3) = 0 [pid 1050] memfd_create("syzkaller", 0) = 3 [pid 1050] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1050] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1050] munmap(0x7f26a8533000, 131072) = 0 [pid 1050] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1050] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1050] ioctl(4, LOOP_CLR_FD) = 0 [pid 1050] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1050] close(4) = 0 [pid 1050] close(3) = 0 [pid 1050] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1050] open("./file0", O_RDONLY) = 3 [pid 1050] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1050] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1050] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1050] exit_group(0) = ? [pid 1050] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1050, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1051 ./strace-static-x86_64: Process 1051 attached [pid 1051] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1051] setpgid(0, 0) = 0 [pid 1051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1051] write(3, "1000", 4) = 4 [pid 1051] close(3) = 0 [pid 1051] memfd_create("syzkaller", 0) = 3 [pid 1051] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1051] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1051] munmap(0x7f26a8533000, 131072) = 0 [pid 1051] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1051] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1051] ioctl(4, LOOP_CLR_FD) = 0 [pid 1051] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1051] close(4) = 0 [pid 1051] close(3) = 0 [pid 1051] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1051] open("./file0", O_RDONLY) = 3 [pid 1051] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1051] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1051] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1051] exit_group(0) = ? [pid 1051] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1051, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1052 ./strace-static-x86_64: Process 1052 attached [pid 1052] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1052] setpgid(0, 0) = 0 [pid 1052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1052] write(3, "1000", 4) = 4 [pid 1052] close(3) = 0 [pid 1052] memfd_create("syzkaller", 0) = 3 [pid 1052] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1052] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1052] munmap(0x7f26a8533000, 131072) = 0 [pid 1052] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1052] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1052] ioctl(4, LOOP_CLR_FD) = 0 [pid 1052] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1052] close(4) = 0 [pid 1052] close(3) = 0 [pid 1052] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1052] open("./file0", O_RDONLY) = 3 [pid 1052] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1052] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1052] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1052] exit_group(0) = ? [pid 1052] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1052, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1053 ./strace-static-x86_64: Process 1053 attached [pid 1053] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1053] setpgid(0, 0) = 0 [pid 1053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1053] write(3, "1000", 4) = 4 [pid 1053] close(3) = 0 [pid 1053] memfd_create("syzkaller", 0) = 3 [pid 1053] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1053] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1053] munmap(0x7f26a8533000, 131072) = 0 [pid 1053] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1053] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1053] ioctl(4, LOOP_CLR_FD) = 0 [pid 1053] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1053] close(4) = 0 [pid 1053] close(3) = 0 [pid 1053] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1053] open("./file0", O_RDONLY) = 3 [pid 1053] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1053] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1053] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1053] exit_group(0) = ? [pid 1053] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1053, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1054 ./strace-static-x86_64: Process 1054 attached [pid 1054] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1054] setpgid(0, 0) = 0 [pid 1054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1054] write(3, "1000", 4) = 4 [pid 1054] close(3) = 0 [pid 1054] memfd_create("syzkaller", 0) = 3 [pid 1054] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1054] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1054] munmap(0x7f26a8533000, 131072) = 0 [pid 1054] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1054] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1054] ioctl(4, LOOP_CLR_FD) = 0 [pid 1054] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1054] close(4) = 0 [pid 1054] close(3) = 0 [pid 1054] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1054] open("./file0", O_RDONLY) = 3 [pid 1054] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1054] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1054] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1054] exit_group(0) = ? [pid 1054] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1054, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1055 ./strace-static-x86_64: Process 1055 attached [pid 1055] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1055] setpgid(0, 0) = 0 [pid 1055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1055] write(3, "1000", 4) = 4 [pid 1055] close(3) = 0 [pid 1055] memfd_create("syzkaller", 0) = 3 [pid 1055] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1055] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1055] munmap(0x7f26a8533000, 131072) = 0 [pid 1055] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1055] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1055] ioctl(4, LOOP_CLR_FD) = 0 [pid 1055] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1055] close(4) = 0 [pid 1055] close(3) = 0 [pid 1055] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1055] open("./file0", O_RDONLY) = 3 [pid 1055] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1055] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1055] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1055] exit_group(0) = ? [pid 1055] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1055, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1056 ./strace-static-x86_64: Process 1056 attached [pid 1056] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1056] setpgid(0, 0) = 0 [pid 1056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1056] write(3, "1000", 4) = 4 [pid 1056] close(3) = 0 [pid 1056] memfd_create("syzkaller", 0) = 3 [pid 1056] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1056] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1056] munmap(0x7f26a8533000, 131072) = 0 [pid 1056] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1056] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1056] ioctl(4, LOOP_CLR_FD) = 0 [pid 1056] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1056] close(4) = 0 [pid 1056] close(3) = 0 [pid 1056] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1056] open("./file0", O_RDONLY) = 3 [pid 1056] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1056] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1056] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1056] exit_group(0) = ? [pid 1056] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1056, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1057 ./strace-static-x86_64: Process 1057 attached [pid 1057] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1057] setpgid(0, 0) = 0 [pid 1057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1057] write(3, "1000", 4) = 4 [pid 1057] close(3) = 0 [pid 1057] memfd_create("syzkaller", 0) = 3 [pid 1057] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1057] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1057] munmap(0x7f26a8533000, 131072) = 0 [pid 1057] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1057] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1057] ioctl(4, LOOP_CLR_FD) = 0 [pid 1057] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1057] close(4) = 0 [pid 1057] close(3) = 0 [pid 1057] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1057] open("./file0", O_RDONLY) = 3 [pid 1057] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1057] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1057] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1057] exit_group(0) = ? [pid 1057] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1057, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1058 ./strace-static-x86_64: Process 1058 attached [pid 1058] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1058] setpgid(0, 0) = 0 [pid 1058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1058] write(3, "1000", 4) = 4 [pid 1058] close(3) = 0 [pid 1058] memfd_create("syzkaller", 0) = 3 [pid 1058] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1058] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1058] munmap(0x7f26a8533000, 131072) = 0 [pid 1058] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1058] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1058] ioctl(4, LOOP_CLR_FD) = 0 [pid 1058] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1058] close(4) = 0 [pid 1058] close(3) = 0 [pid 1058] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1058] open("./file0", O_RDONLY) = 3 [pid 1058] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1058] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1058] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1058] exit_group(0) = ? [pid 1058] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1058, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1059 ./strace-static-x86_64: Process 1059 attached [pid 1059] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1059] setpgid(0, 0) = 0 [pid 1059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1059] write(3, "1000", 4) = 4 [pid 1059] close(3) = 0 [pid 1059] memfd_create("syzkaller", 0) = 3 [pid 1059] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1059] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1059] munmap(0x7f26a8533000, 131072) = 0 [pid 1059] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1059] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1059] ioctl(4, LOOP_CLR_FD) = 0 [pid 1059] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1059] close(4) = 0 [pid 1059] close(3) = 0 [pid 1059] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1059] open("./file0", O_RDONLY) = 3 [pid 1059] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1059] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1059] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1059] exit_group(0) = ? [pid 1059] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1059, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1060 ./strace-static-x86_64: Process 1060 attached [pid 1060] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1060] setpgid(0, 0) = 0 [pid 1060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1060] write(3, "1000", 4) = 4 [pid 1060] close(3) = 0 [pid 1060] memfd_create("syzkaller", 0) = 3 [pid 1060] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1060] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1060] munmap(0x7f26a8533000, 131072) = 0 [pid 1060] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1060] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1060] ioctl(4, LOOP_CLR_FD) = 0 [pid 1060] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1060] close(4) = 0 [pid 1060] close(3) = 0 [pid 1060] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1060] open("./file0", O_RDONLY) = 3 [pid 1060] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1060] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1060] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1060] exit_group(0) = ? [pid 1060] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1060, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1061 attached , child_tidptr=0x555556e0f5d0) = 1061 [pid 1061] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1061] setpgid(0, 0) = 0 [pid 1061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1061] write(3, "1000", 4) = 4 [pid 1061] close(3) = 0 [pid 1061] memfd_create("syzkaller", 0) = 3 [pid 1061] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1061] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1061] munmap(0x7f26a8533000, 131072) = 0 [pid 1061] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1061] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1061] ioctl(4, LOOP_CLR_FD) = 0 [pid 1061] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1061] close(4) = 0 [pid 1061] close(3) = 0 [pid 1061] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1061] open("./file0", O_RDONLY) = 3 [pid 1061] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1061] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1061] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1061] exit_group(0) = ? [pid 1061] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1061, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1062 ./strace-static-x86_64: Process 1062 attached [pid 1062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1062] setpgid(0, 0) = 0 [pid 1062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1062] write(3, "1000", 4) = 4 [pid 1062] close(3) = 0 [pid 1062] memfd_create("syzkaller", 0) = 3 [pid 1062] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1062] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1062] munmap(0x7f26a8533000, 131072) = 0 [pid 1062] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1062] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1062] ioctl(4, LOOP_CLR_FD) = 0 [pid 1062] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1062] close(4) = 0 [pid 1062] close(3) = 0 [pid 1062] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1062] open("./file0", O_RDONLY) = 3 [pid 1062] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1062] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1062] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1062] exit_group(0) = ? [pid 1062] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1062, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1063 ./strace-static-x86_64: Process 1063 attached [pid 1063] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1063] setpgid(0, 0) = 0 [pid 1063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1063] write(3, "1000", 4) = 4 [pid 1063] close(3) = 0 [pid 1063] memfd_create("syzkaller", 0) = 3 [pid 1063] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1063] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1063] munmap(0x7f26a8533000, 131072) = 0 [pid 1063] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1063] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1063] ioctl(4, LOOP_CLR_FD) = 0 [pid 1063] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1063] close(4) = 0 [pid 1063] close(3) = 0 [pid 1063] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1063] open("./file0", O_RDONLY) = 3 [pid 1063] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1063] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1063] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1063] exit_group(0) = ? [pid 1063] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1063, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1064 ./strace-static-x86_64: Process 1064 attached [pid 1064] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1064] setpgid(0, 0) = 0 [pid 1064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1064] write(3, "1000", 4) = 4 [pid 1064] close(3) = 0 [pid 1064] memfd_create("syzkaller", 0) = 3 [pid 1064] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1064] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1064] munmap(0x7f26a8533000, 131072) = 0 [pid 1064] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1064] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1064] ioctl(4, LOOP_CLR_FD) = 0 [pid 1064] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1064] close(4) = 0 [pid 1064] close(3) = 0 [pid 1064] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1064] open("./file0", O_RDONLY) = 3 [pid 1064] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1064] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1064] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1064] exit_group(0) = ? [pid 1064] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1064, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1065 ./strace-static-x86_64: Process 1065 attached [pid 1065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1065] setpgid(0, 0) = 0 [pid 1065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1065] write(3, "1000", 4) = 4 [pid 1065] close(3) = 0 [pid 1065] memfd_create("syzkaller", 0) = 3 [pid 1065] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1065] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1065] munmap(0x7f26a8533000, 131072) = 0 [pid 1065] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1065] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1065] ioctl(4, LOOP_CLR_FD) = 0 [pid 1065] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1065] close(4) = 0 [pid 1065] close(3) = 0 [pid 1065] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1065] open("./file0", O_RDONLY) = 3 [pid 1065] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1065] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1065] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1065] exit_group(0) = ? [pid 1065] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1065, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1066 ./strace-static-x86_64: Process 1066 attached [pid 1066] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1066] setpgid(0, 0) = 0 [pid 1066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1066] write(3, "1000", 4) = 4 [pid 1066] close(3) = 0 [pid 1066] memfd_create("syzkaller", 0) = 3 [pid 1066] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1066] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1066] munmap(0x7f26a8533000, 131072) = 0 [pid 1066] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1066] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1066] ioctl(4, LOOP_CLR_FD) = 0 [pid 1066] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1066] close(4) = 0 [pid 1066] close(3) = 0 [pid 1066] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1066] open("./file0", O_RDONLY) = 3 [pid 1066] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1066] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1066] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1066] exit_group(0) = ? [pid 1066] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1066, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1067 ./strace-static-x86_64: Process 1067 attached [pid 1067] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1067] setpgid(0, 0) = 0 [pid 1067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1067] write(3, "1000", 4) = 4 [pid 1067] close(3) = 0 [pid 1067] memfd_create("syzkaller", 0) = 3 [pid 1067] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1067] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1067] munmap(0x7f26a8533000, 131072) = 0 [pid 1067] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1067] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1067] ioctl(4, LOOP_CLR_FD) = 0 [pid 1067] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1067] close(4) = 0 [pid 1067] close(3) = 0 [pid 1067] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1067] open("./file0", O_RDONLY) = 3 [pid 1067] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1067] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1067] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1067] exit_group(0) = ? [pid 1067] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1067, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1068 ./strace-static-x86_64: Process 1068 attached [pid 1068] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1068] setpgid(0, 0) = 0 [pid 1068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1068] write(3, "1000", 4) = 4 [pid 1068] close(3) = 0 [pid 1068] memfd_create("syzkaller", 0) = 3 [pid 1068] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1068] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1068] munmap(0x7f26a8533000, 131072) = 0 [pid 1068] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1068] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1068] ioctl(4, LOOP_CLR_FD) = 0 [pid 1068] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1068] close(4) = 0 [pid 1068] close(3) = 0 [pid 1068] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1068] open("./file0", O_RDONLY) = 3 [pid 1068] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1068] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1068] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1068] exit_group(0) = ? [pid 1068] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1068, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1069 ./strace-static-x86_64: Process 1069 attached [pid 1069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1069] setpgid(0, 0) = 0 [pid 1069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1069] write(3, "1000", 4) = 4 [pid 1069] close(3) = 0 [pid 1069] memfd_create("syzkaller", 0) = 3 [pid 1069] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1069] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1069] munmap(0x7f26a8533000, 131072) = 0 [pid 1069] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1069] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1069] ioctl(4, LOOP_CLR_FD) = 0 [pid 1069] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1069] close(4) = 0 [pid 1069] close(3) = 0 [pid 1069] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1069] open("./file0", O_RDONLY) = 3 [pid 1069] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1069] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1069] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1069] exit_group(0) = ? [pid 1069] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1069, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1070 ./strace-static-x86_64: Process 1070 attached [pid 1070] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1070] setpgid(0, 0) = 0 [pid 1070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1070] write(3, "1000", 4) = 4 [pid 1070] close(3) = 0 [pid 1070] memfd_create("syzkaller", 0) = 3 [pid 1070] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1070] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1070] munmap(0x7f26a8533000, 131072) = 0 [pid 1070] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1070] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1070] ioctl(4, LOOP_CLR_FD) = 0 [pid 1070] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1070] close(4) = 0 [pid 1070] close(3) = 0 [pid 1070] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1070] open("./file0", O_RDONLY) = 3 [pid 1070] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1070] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1070] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1070] exit_group(0) = ? [pid 1070] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1070, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1071 ./strace-static-x86_64: Process 1071 attached [pid 1071] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1071] setpgid(0, 0) = 0 [pid 1071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1071] write(3, "1000", 4) = 4 [pid 1071] close(3) = 0 [pid 1071] memfd_create("syzkaller", 0) = 3 [pid 1071] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1071] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1071] munmap(0x7f26a8533000, 131072) = 0 [pid 1071] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1071] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1071] ioctl(4, LOOP_CLR_FD) = 0 [pid 1071] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1071] close(4) = 0 [pid 1071] close(3) = 0 [pid 1071] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1071] open("./file0", O_RDONLY) = 3 [pid 1071] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1071] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1071] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1071] exit_group(0) = ? [pid 1071] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1071, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1072 attached , child_tidptr=0x555556e0f5d0) = 1072 [pid 1072] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1072] setpgid(0, 0) = 0 [pid 1072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1072] write(3, "1000", 4) = 4 [pid 1072] close(3) = 0 [pid 1072] memfd_create("syzkaller", 0) = 3 [pid 1072] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1072] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1072] munmap(0x7f26a8533000, 131072) = 0 [pid 1072] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1072] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1072] ioctl(4, LOOP_CLR_FD) = 0 [pid 1072] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1072] close(4) = 0 [pid 1072] close(3) = 0 [pid 1072] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1072] open("./file0", O_RDONLY) = 3 [pid 1072] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1072] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1072] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1072] exit_group(0) = ? [pid 1072] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1072, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1073 ./strace-static-x86_64: Process 1073 attached [pid 1073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1073] setpgid(0, 0) = 0 [pid 1073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1073] write(3, "1000", 4) = 4 [pid 1073] close(3) = 0 [pid 1073] memfd_create("syzkaller", 0) = 3 [pid 1073] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1073] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1073] munmap(0x7f26a8533000, 131072) = 0 [pid 1073] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1073] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1073] ioctl(4, LOOP_CLR_FD) = 0 [pid 1073] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1073] close(4) = 0 [pid 1073] close(3) = 0 [pid 1073] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1073] open("./file0", O_RDONLY) = 3 [pid 1073] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1073] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1073] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1073] exit_group(0) = ? [pid 1073] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1073, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1074 ./strace-static-x86_64: Process 1074 attached [pid 1074] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1074] setpgid(0, 0) = 0 [pid 1074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1074] write(3, "1000", 4) = 4 [pid 1074] close(3) = 0 [pid 1074] memfd_create("syzkaller", 0) = 3 [pid 1074] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1074] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1074] munmap(0x7f26a8533000, 131072) = 0 [pid 1074] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1074] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1074] ioctl(4, LOOP_CLR_FD) = 0 [pid 1074] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1074] close(4) = 0 [pid 1074] close(3) = 0 [pid 1074] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1074] open("./file0", O_RDONLY) = 3 [pid 1074] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1074] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1074] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1074] exit_group(0) = ? [pid 1074] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1074, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1075 ./strace-static-x86_64: Process 1075 attached [pid 1075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1075] setpgid(0, 0) = 0 [pid 1075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1075] write(3, "1000", 4) = 4 [pid 1075] close(3) = 0 [pid 1075] memfd_create("syzkaller", 0) = 3 [pid 1075] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1075] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1075] munmap(0x7f26a8533000, 131072) = 0 [pid 1075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1075] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1075] ioctl(4, LOOP_CLR_FD) = 0 [pid 1075] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1075] close(4) = 0 [pid 1075] close(3) = 0 [pid 1075] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1075] open("./file0", O_RDONLY) = 3 [pid 1075] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1075] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1075] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1075] exit_group(0) = ? [pid 1075] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1075, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1076 ./strace-static-x86_64: Process 1076 attached [pid 1076] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1076] setpgid(0, 0) = 0 [pid 1076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1076] write(3, "1000", 4) = 4 [pid 1076] close(3) = 0 [pid 1076] memfd_create("syzkaller", 0) = 3 [pid 1076] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1076] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1076] munmap(0x7f26a8533000, 131072) = 0 [pid 1076] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1076] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1076] ioctl(4, LOOP_CLR_FD) = 0 [pid 1076] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1076] close(4) = 0 [pid 1076] close(3) = 0 [pid 1076] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1076] open("./file0", O_RDONLY) = 3 [pid 1076] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1076] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1076] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1076] exit_group(0) = ? [pid 1076] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1076, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1077 ./strace-static-x86_64: Process 1077 attached [pid 1077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1077] setpgid(0, 0) = 0 [pid 1077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1077] write(3, "1000", 4) = 4 [pid 1077] close(3) = 0 [pid 1077] memfd_create("syzkaller", 0) = 3 [pid 1077] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1077] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1077] munmap(0x7f26a8533000, 131072) = 0 [pid 1077] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1077] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1077] ioctl(4, LOOP_CLR_FD) = 0 [pid 1077] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1077] close(4) = 0 [pid 1077] close(3) = 0 [pid 1077] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1077] open("./file0", O_RDONLY) = 3 [pid 1077] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1077] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1077] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1077] exit_group(0) = ? [pid 1077] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1077, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1078 ./strace-static-x86_64: Process 1078 attached [pid 1078] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1078] setpgid(0, 0) = 0 [pid 1078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1078] write(3, "1000", 4) = 4 [pid 1078] close(3) = 0 [pid 1078] memfd_create("syzkaller", 0) = 3 [pid 1078] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1078] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1078] munmap(0x7f26a8533000, 131072) = 0 [pid 1078] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1078] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1078] ioctl(4, LOOP_CLR_FD) = 0 [pid 1078] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1078] close(4) = 0 [pid 1078] close(3) = 0 [pid 1078] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1078] open("./file0", O_RDONLY) = 3 [pid 1078] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1078] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1078] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1078] exit_group(0) = ? [pid 1078] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1078, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1080 ./strace-static-x86_64: Process 1080 attached [pid 1080] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1080] setpgid(0, 0) = 0 [pid 1080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1080] write(3, "1000", 4) = 4 [pid 1080] close(3) = 0 [pid 1080] memfd_create("syzkaller", 0) = 3 [pid 1080] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1080] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1080] munmap(0x7f26a8533000, 131072) = 0 [pid 1080] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1080] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1080] ioctl(4, LOOP_CLR_FD) = 0 [pid 1080] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1080] close(4) = 0 [pid 1080] close(3) = 0 [pid 1080] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1080] open("./file0", O_RDONLY) = 3 [pid 1080] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1080] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1080] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1080] exit_group(0) = ? [pid 1080] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1080, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1081 ./strace-static-x86_64: Process 1081 attached [pid 1081] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1081] setpgid(0, 0) = 0 [pid 1081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1081] write(3, "1000", 4) = 4 [pid 1081] close(3) = 0 [pid 1081] memfd_create("syzkaller", 0) = 3 [pid 1081] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1081] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1081] munmap(0x7f26a8533000, 131072) = 0 [pid 1081] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1081] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1081] ioctl(4, LOOP_CLR_FD) = 0 [pid 1081] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1081] close(4) = 0 [pid 1081] close(3) = 0 [pid 1081] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1081] open("./file0", O_RDONLY) = 3 [pid 1081] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1081] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1081] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1081] exit_group(0) = ? [pid 1081] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1081, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1082 ./strace-static-x86_64: Process 1082 attached [pid 1082] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1082] setpgid(0, 0) = 0 [pid 1082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1082] write(3, "1000", 4) = 4 [pid 1082] close(3) = 0 [pid 1082] memfd_create("syzkaller", 0) = 3 [pid 1082] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1082] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1082] munmap(0x7f26a8533000, 131072) = 0 [pid 1082] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1082] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1082] ioctl(4, LOOP_CLR_FD) = 0 [pid 1082] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1082] close(4) = 0 [pid 1082] close(3) = 0 [pid 1082] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1082] open("./file0", O_RDONLY) = 3 [pid 1082] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1082] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1082] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1082] exit_group(0) = ? [pid 1082] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1082, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1083 ./strace-static-x86_64: Process 1083 attached [pid 1083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1083] setpgid(0, 0) = 0 [pid 1083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1083] write(3, "1000", 4) = 4 [pid 1083] close(3) = 0 [pid 1083] memfd_create("syzkaller", 0) = 3 [pid 1083] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1083] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1083] munmap(0x7f26a8533000, 131072) = 0 [pid 1083] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1083] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1083] ioctl(4, LOOP_CLR_FD) = 0 [pid 1083] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1083] close(4) = 0 [pid 1083] close(3) = 0 [pid 1083] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1083] open("./file0", O_RDONLY) = 3 [pid 1083] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1083] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1083] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1083] exit_group(0) = ? [pid 1083] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1083, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1084 attached [pid 1084] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1084] setpgid(0, 0) = 0 [pid 1084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1084] write(3, "1000", 4) = 4 [pid 1084] close(3) = 0 [pid 407] <... clone resumed>, child_tidptr=0x555556e0f5d0) = 1084 [pid 1084] memfd_create("syzkaller", 0) = 3 [pid 1084] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1084] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1084] munmap(0x7f26a8533000, 131072) = 0 [pid 1084] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1084] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1084] ioctl(4, LOOP_CLR_FD) = 0 [pid 1084] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1084] close(4) = 0 [pid 1084] close(3) = 0 [pid 1084] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1084] open("./file0", O_RDONLY) = 3 [pid 1084] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1084] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1084] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1084] exit_group(0) = ? [pid 1084] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1084, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1085 ./strace-static-x86_64: Process 1085 attached [pid 1085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1085] setpgid(0, 0) = 0 [pid 1085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1085] write(3, "1000", 4) = 4 [pid 1085] close(3) = 0 [pid 1085] memfd_create("syzkaller", 0) = 3 [pid 1085] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1085] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1085] munmap(0x7f26a8533000, 131072) = 0 [pid 1085] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1085] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1085] ioctl(4, LOOP_CLR_FD) = 0 [pid 1085] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1085] close(4) = 0 [pid 1085] close(3) = 0 [pid 1085] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1085] open("./file0", O_RDONLY) = 3 [pid 1085] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1085] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1085] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1085] exit_group(0) = ? [pid 1085] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1085, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1086 attached , child_tidptr=0x555556e0f5d0) = 1086 [pid 1086] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1086] setpgid(0, 0) = 0 [pid 1086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1086] write(3, "1000", 4) = 4 [pid 1086] close(3) = 0 [pid 1086] memfd_create("syzkaller", 0) = 3 [pid 1086] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1086] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1086] munmap(0x7f26a8533000, 131072) = 0 [pid 1086] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1086] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1086] ioctl(4, LOOP_CLR_FD) = 0 [pid 1086] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1086] close(4) = 0 [pid 1086] close(3) = 0 [pid 1086] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1086] open("./file0", O_RDONLY) = 3 [pid 1086] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1086] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1086] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1086] exit_group(0) = ? [pid 1086] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1086, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1087 ./strace-static-x86_64: Process 1087 attached [pid 1087] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1087] setpgid(0, 0) = 0 [pid 1087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1087] write(3, "1000", 4) = 4 [pid 1087] close(3) = 0 [pid 1087] memfd_create("syzkaller", 0) = 3 [pid 1087] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1087] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1087] munmap(0x7f26a8533000, 131072) = 0 [pid 1087] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1087] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1087] ioctl(4, LOOP_CLR_FD) = 0 [pid 1087] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1087] close(4) = 0 [pid 1087] close(3) = 0 [pid 1087] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1087] open("./file0", O_RDONLY) = 3 [pid 1087] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1087] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1087] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1087] exit_group(0) = ? [pid 1087] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1087, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1088 ./strace-static-x86_64: Process 1088 attached [pid 1088] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1088] setpgid(0, 0) = 0 [pid 1088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1088] write(3, "1000", 4) = 4 [pid 1088] close(3) = 0 [pid 1088] memfd_create("syzkaller", 0) = 3 [pid 1088] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1088] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1088] munmap(0x7f26a8533000, 131072) = 0 [pid 1088] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1088] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1088] ioctl(4, LOOP_CLR_FD) = 0 [pid 1088] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1088] close(4) = 0 [pid 1088] close(3) = 0 [pid 1088] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1088] open("./file0", O_RDONLY) = 3 [pid 1088] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1088] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1088] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1088] exit_group(0) = ? [pid 1088] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1088, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1089 ./strace-static-x86_64: Process 1089 attached [pid 1089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1089] setpgid(0, 0) = 0 [pid 1089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1089] write(3, "1000", 4) = 4 [pid 1089] close(3) = 0 [pid 1089] memfd_create("syzkaller", 0) = 3 [pid 1089] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1089] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1089] munmap(0x7f26a8533000, 131072) = 0 [pid 1089] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1089] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1089] ioctl(4, LOOP_CLR_FD) = 0 [pid 1089] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1089] close(4) = 0 [pid 1089] close(3) = 0 [pid 1089] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1089] open("./file0", O_RDONLY) = 3 [pid 1089] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1089] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1089] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1089] exit_group(0) = ? [pid 1089] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1089, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1090 ./strace-static-x86_64: Process 1090 attached [pid 1090] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1090] setpgid(0, 0) = 0 [pid 1090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1090] write(3, "1000", 4) = 4 [pid 1090] close(3) = 0 [pid 1090] memfd_create("syzkaller", 0) = 3 [pid 1090] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1090] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1090] munmap(0x7f26a8533000, 131072) = 0 [pid 1090] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1090] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1090] ioctl(4, LOOP_CLR_FD) = 0 [pid 1090] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1090] close(4) = 0 [pid 1090] close(3) = 0 [pid 1090] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1090] open("./file0", O_RDONLY) = 3 [pid 1090] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1090] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1090] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1090] exit_group(0) = ? [pid 1090] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1090, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1091 ./strace-static-x86_64: Process 1091 attached [pid 1091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1091] setpgid(0, 0) = 0 [pid 1091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1091] write(3, "1000", 4) = 4 [pid 1091] close(3) = 0 [pid 1091] memfd_create("syzkaller", 0) = 3 [pid 1091] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1091] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1091] munmap(0x7f26a8533000, 131072) = 0 [pid 1091] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1091] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1091] ioctl(4, LOOP_CLR_FD) = 0 [pid 1091] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1091] close(4) = 0 [pid 1091] close(3) = 0 [pid 1091] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1091] open("./file0", O_RDONLY) = 3 [pid 1091] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1091] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1091] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1091] exit_group(0) = ? [pid 1091] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1091, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1092 ./strace-static-x86_64: Process 1092 attached [pid 1092] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1092] setpgid(0, 0) = 0 [pid 1092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1092] write(3, "1000", 4) = 4 [pid 1092] close(3) = 0 [pid 1092] memfd_create("syzkaller", 0) = 3 [pid 1092] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1092] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1092] munmap(0x7f26a8533000, 131072) = 0 [pid 1092] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1092] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1092] ioctl(4, LOOP_CLR_FD) = 0 [pid 1092] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1092] close(4) = 0 [pid 1092] close(3) = 0 [pid 1092] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1092] open("./file0", O_RDONLY) = 3 [pid 1092] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1092] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1092] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1092] exit_group(0) = ? [pid 1092] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1092, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1093 attached , child_tidptr=0x555556e0f5d0) = 1093 [pid 1093] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1093] setpgid(0, 0) = 0 [pid 1093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1093] write(3, "1000", 4) = 4 [pid 1093] close(3) = 0 [pid 1093] memfd_create("syzkaller", 0) = 3 [pid 1093] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1093] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1093] munmap(0x7f26a8533000, 131072) = 0 [pid 1093] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1093] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1093] ioctl(4, LOOP_CLR_FD) = 0 [pid 1093] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1093] close(4) = 0 [pid 1093] close(3) = 0 [pid 1093] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1093] open("./file0", O_RDONLY) = 3 [pid 1093] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1093] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1093] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1093] exit_group(0) = ? [pid 1093] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1093, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1094 ./strace-static-x86_64: Process 1094 attached [pid 1094] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1094] setpgid(0, 0) = 0 [pid 1094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1094] write(3, "1000", 4) = 4 [pid 1094] close(3) = 0 [pid 1094] memfd_create("syzkaller", 0) = 3 [pid 1094] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1094] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1094] munmap(0x7f26a8533000, 131072) = 0 [pid 1094] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1094] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1094] ioctl(4, LOOP_CLR_FD) = 0 [pid 1094] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1094] close(4) = 0 [pid 1094] close(3) = 0 [pid 1094] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1094] open("./file0", O_RDONLY) = 3 [pid 1094] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1094] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1094] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1094] exit_group(0) = ? [pid 1094] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1094, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1095 attached , child_tidptr=0x555556e0f5d0) = 1095 [pid 1095] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1095] setpgid(0, 0) = 0 [pid 1095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1095] write(3, "1000", 4) = 4 [pid 1095] close(3) = 0 [pid 1095] memfd_create("syzkaller", 0) = 3 [pid 1095] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1095] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1095] munmap(0x7f26a8533000, 131072) = 0 [pid 1095] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1095] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1095] ioctl(4, LOOP_CLR_FD) = 0 [pid 1095] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1095] close(4) = 0 [pid 1095] close(3) = 0 [pid 1095] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1095] open("./file0", O_RDONLY) = 3 [pid 1095] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1095] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1095] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1095] exit_group(0) = ? [pid 1095] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1095, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1096 ./strace-static-x86_64: Process 1096 attached [pid 1096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1096] setpgid(0, 0) = 0 [pid 1096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1096] write(3, "1000", 4) = 4 [pid 1096] close(3) = 0 [pid 1096] memfd_create("syzkaller", 0) = 3 [pid 1096] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1096] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1096] munmap(0x7f26a8533000, 131072) = 0 [pid 1096] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1096] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1096] ioctl(4, LOOP_CLR_FD) = 0 [pid 1096] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1096] close(4) = 0 [pid 1096] close(3) = 0 [pid 1096] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1096] open("./file0", O_RDONLY) = 3 [pid 1096] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1096] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1096] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1096] exit_group(0) = ? [pid 1096] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1096, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1097 ./strace-static-x86_64: Process 1097 attached [pid 1097] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1097] setpgid(0, 0) = 0 [pid 1097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1097] write(3, "1000", 4) = 4 [pid 1097] close(3) = 0 [pid 1097] memfd_create("syzkaller", 0) = 3 [pid 1097] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1097] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1097] munmap(0x7f26a8533000, 131072) = 0 [pid 1097] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1097] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1097] ioctl(4, LOOP_CLR_FD) = 0 [pid 1097] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1097] close(4) = 0 [pid 1097] close(3) = 0 [pid 1097] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1097] open("./file0", O_RDONLY) = 3 [pid 1097] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1097] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1097] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1097] exit_group(0) = ? [pid 1097] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1097, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1098 ./strace-static-x86_64: Process 1098 attached [pid 1098] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1098] setpgid(0, 0) = 0 [pid 1098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1098] write(3, "1000", 4) = 4 [pid 1098] close(3) = 0 [pid 1098] memfd_create("syzkaller", 0) = 3 [pid 1098] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1098] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1098] munmap(0x7f26a8533000, 131072) = 0 [pid 1098] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1098] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1098] ioctl(4, LOOP_CLR_FD) = 0 [pid 1098] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1098] close(4) = 0 [pid 1098] close(3) = 0 [pid 1098] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1098] open("./file0", O_RDONLY) = 3 [pid 1098] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1098] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1098] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1098] exit_group(0) = ? [pid 1098] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1098, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1099 ./strace-static-x86_64: Process 1099 attached [pid 1099] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1099] setpgid(0, 0) = 0 [pid 1099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1099] write(3, "1000", 4) = 4 [pid 1099] close(3) = 0 [pid 1099] memfd_create("syzkaller", 0) = 3 [pid 1099] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1099] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1099] munmap(0x7f26a8533000, 131072) = 0 [pid 1099] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1099] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1099] ioctl(4, LOOP_CLR_FD) = 0 [pid 1099] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1099] close(4) = 0 [pid 1099] close(3) = 0 [pid 1099] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1099] open("./file0", O_RDONLY) = 3 [pid 1099] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1099] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1099] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1099] exit_group(0) = ? [pid 1099] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1099, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1100 ./strace-static-x86_64: Process 1100 attached [pid 1100] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1100] setpgid(0, 0) = 0 [pid 1100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1100] write(3, "1000", 4) = 4 [pid 1100] close(3) = 0 [pid 1100] memfd_create("syzkaller", 0) = 3 [pid 1100] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1100] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1100] munmap(0x7f26a8533000, 131072) = 0 [pid 1100] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1100] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1100] ioctl(4, LOOP_CLR_FD) = 0 [pid 1100] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1100] close(4) = 0 [pid 1100] close(3) = 0 [pid 1100] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1100] open("./file0", O_RDONLY) = 3 [pid 1100] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1100] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1100] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1100] exit_group(0) = ? [pid 1100] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1100, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1101 ./strace-static-x86_64: Process 1101 attached [pid 1101] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1101] setpgid(0, 0) = 0 [pid 1101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1101] write(3, "1000", 4) = 4 [pid 1101] close(3) = 0 [pid 1101] memfd_create("syzkaller", 0) = 3 [pid 1101] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1101] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1101] munmap(0x7f26a8533000, 131072) = 0 [pid 1101] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1101] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1101] ioctl(4, LOOP_CLR_FD) = 0 [pid 1101] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1101] close(4) = 0 [pid 1101] close(3) = 0 [pid 1101] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1101] open("./file0", O_RDONLY) = 3 [pid 1101] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1101] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1101] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1101] exit_group(0) = ? [pid 1101] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1101, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1102 ./strace-static-x86_64: Process 1102 attached [pid 1102] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1102] setpgid(0, 0) = 0 [pid 1102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1102] write(3, "1000", 4) = 4 [pid 1102] close(3) = 0 [pid 1102] memfd_create("syzkaller", 0) = 3 [pid 1102] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1102] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1102] munmap(0x7f26a8533000, 131072) = 0 [pid 1102] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1102] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1102] ioctl(4, LOOP_CLR_FD) = 0 [pid 1102] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1102] close(4) = 0 [pid 1102] close(3) = 0 [pid 1102] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1102] open("./file0", O_RDONLY) = 3 [pid 1102] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1102] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1102] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1102] exit_group(0) = ? [pid 1102] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1102, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1103 ./strace-static-x86_64: Process 1103 attached [pid 1103] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1103] setpgid(0, 0) = 0 [pid 1103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1103] write(3, "1000", 4) = 4 [pid 1103] close(3) = 0 [pid 1103] memfd_create("syzkaller", 0) = 3 [pid 1103] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1103] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1103] munmap(0x7f26a8533000, 131072) = 0 [pid 1103] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1103] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1103] ioctl(4, LOOP_CLR_FD) = 0 [pid 1103] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1103] close(4) = 0 [pid 1103] close(3) = 0 [pid 1103] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1103] open("./file0", O_RDONLY) = 3 [pid 1103] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1103] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1103] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1103] exit_group(0) = ? [pid 1103] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1103, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1104 ./strace-static-x86_64: Process 1104 attached [pid 1104] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1104] setpgid(0, 0) = 0 [pid 1104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1104] write(3, "1000", 4) = 4 [pid 1104] close(3) = 0 [pid 1104] memfd_create("syzkaller", 0) = 3 [pid 1104] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1104] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1104] munmap(0x7f26a8533000, 131072) = 0 [pid 1104] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1104] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1104] ioctl(4, LOOP_CLR_FD) = 0 [pid 1104] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1104] close(4) = 0 [pid 1104] close(3) = 0 [pid 1104] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1104] open("./file0", O_RDONLY) = 3 [pid 1104] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1104] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1104] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1104] exit_group(0) = ? [pid 1104] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1104, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1105 ./strace-static-x86_64: Process 1105 attached [pid 1105] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1105] setpgid(0, 0) = 0 [pid 1105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1105] write(3, "1000", 4) = 4 [pid 1105] close(3) = 0 [pid 1105] memfd_create("syzkaller", 0) = 3 [pid 1105] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1105] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1105] munmap(0x7f26a8533000, 131072) = 0 [pid 1105] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1105] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1105] ioctl(4, LOOP_CLR_FD) = 0 [pid 1105] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1105] close(4) = 0 [pid 1105] close(3) = 0 [pid 1105] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1105] open("./file0", O_RDONLY) = 3 [pid 1105] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1105] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1105] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1105] exit_group(0) = ? [pid 1105] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1105, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1106 ./strace-static-x86_64: Process 1106 attached [pid 1106] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1106] setpgid(0, 0) = 0 [pid 1106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1106] write(3, "1000", 4) = 4 [pid 1106] close(3) = 0 [pid 1106] memfd_create("syzkaller", 0) = 3 [pid 1106] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1106] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1106] munmap(0x7f26a8533000, 131072) = 0 [pid 1106] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1106] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1106] ioctl(4, LOOP_CLR_FD) = 0 [pid 1106] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1106] close(4) = 0 [pid 1106] close(3) = 0 [pid 1106] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1106] open("./file0", O_RDONLY) = 3 [pid 1106] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1106] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1106] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1106] exit_group(0) = ? [pid 1106] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1106, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1107 ./strace-static-x86_64: Process 1107 attached [pid 1107] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1107] setpgid(0, 0) = 0 [pid 1107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1107] write(3, "1000", 4) = 4 [pid 1107] close(3) = 0 [pid 1107] memfd_create("syzkaller", 0) = 3 [pid 1107] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1107] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1107] munmap(0x7f26a8533000, 131072) = 0 [pid 1107] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1107] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1107] ioctl(4, LOOP_CLR_FD) = 0 [pid 1107] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1107] close(4) = 0 [pid 1107] close(3) = 0 [pid 1107] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1107] open("./file0", O_RDONLY) = 3 [pid 1107] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1107] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1107] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1107] exit_group(0) = ? [pid 1107] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1107, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1108 ./strace-static-x86_64: Process 1108 attached [pid 1108] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1108] setpgid(0, 0) = 0 [pid 1108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1108] write(3, "1000", 4) = 4 [pid 1108] close(3) = 0 [pid 1108] memfd_create("syzkaller", 0) = 3 [pid 1108] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1108] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1108] munmap(0x7f26a8533000, 131072) = 0 [pid 1108] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1108] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1108] ioctl(4, LOOP_CLR_FD) = 0 [pid 1108] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1108] close(4) = 0 [pid 1108] close(3) = 0 [pid 1108] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1108] open("./file0", O_RDONLY) = 3 [pid 1108] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1108] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1108] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1108] exit_group(0) = ? [pid 1108] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1108, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1109 ./strace-static-x86_64: Process 1109 attached [pid 1109] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1109] setpgid(0, 0) = 0 [pid 1109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1109] write(3, "1000", 4) = 4 [pid 1109] close(3) = 0 [pid 1109] memfd_create("syzkaller", 0) = 3 [pid 1109] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1109] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1109] munmap(0x7f26a8533000, 131072) = 0 [pid 1109] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1109] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1109] ioctl(4, LOOP_CLR_FD) = 0 [pid 1109] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1109] close(4) = 0 [pid 1109] close(3) = 0 [pid 1109] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1109] open("./file0", O_RDONLY) = 3 [pid 1109] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1109] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1109] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1109] exit_group(0) = ? [pid 1109] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1109, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1110 ./strace-static-x86_64: Process 1110 attached [pid 1110] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1110] setpgid(0, 0) = 0 [pid 1110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1110] write(3, "1000", 4) = 4 [pid 1110] close(3) = 0 [pid 1110] memfd_create("syzkaller", 0) = 3 [pid 1110] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1110] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1110] munmap(0x7f26a8533000, 131072) = 0 [pid 1110] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1110] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1110] ioctl(4, LOOP_CLR_FD) = 0 [pid 1110] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1110] close(4) = 0 [pid 1110] close(3) = 0 [pid 1110] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1110] open("./file0", O_RDONLY) = 3 [pid 1110] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1110] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1110] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1110] exit_group(0) = ? [pid 1110] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1110, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1111 ./strace-static-x86_64: Process 1111 attached [pid 1111] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1111] setpgid(0, 0) = 0 [pid 1111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1111] write(3, "1000", 4) = 4 [pid 1111] close(3) = 0 [pid 1111] memfd_create("syzkaller", 0) = 3 [pid 1111] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1111] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1111] munmap(0x7f26a8533000, 131072) = 0 [pid 1111] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1111] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1111] ioctl(4, LOOP_CLR_FD) = 0 [pid 1111] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1111] close(4) = 0 [pid 1111] close(3) = 0 [pid 1111] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1111] open("./file0", O_RDONLY) = 3 [pid 1111] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1111] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1111] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1111] exit_group(0) = ? [pid 1111] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1111, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1112 ./strace-static-x86_64: Process 1112 attached [pid 1112] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1112] setpgid(0, 0) = 0 [pid 1112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1112] write(3, "1000", 4) = 4 [pid 1112] close(3) = 0 [pid 1112] memfd_create("syzkaller", 0) = 3 [pid 1112] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1112] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1112] munmap(0x7f26a8533000, 131072) = 0 [pid 1112] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1112] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1112] ioctl(4, LOOP_CLR_FD) = 0 [pid 1112] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1112] close(4) = 0 [pid 1112] close(3) = 0 [pid 1112] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1112] open("./file0", O_RDONLY) = 3 [pid 1112] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1112] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1112] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1112] exit_group(0) = ? [pid 1112] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1112, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1113 ./strace-static-x86_64: Process 1113 attached [pid 1113] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1113] setpgid(0, 0) = 0 [pid 1113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1113] write(3, "1000", 4) = 4 [pid 1113] close(3) = 0 [pid 1113] memfd_create("syzkaller", 0) = 3 [pid 1113] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1113] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1113] munmap(0x7f26a8533000, 131072) = 0 [pid 1113] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1113] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1113] ioctl(4, LOOP_CLR_FD) = 0 [pid 1113] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1113] close(4) = 0 [pid 1113] close(3) = 0 [pid 1113] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1113] open("./file0", O_RDONLY) = 3 [pid 1113] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1113] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1113] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1113] exit_group(0) = ? [pid 1113] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1113, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1114 ./strace-static-x86_64: Process 1114 attached [pid 1114] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1114] setpgid(0, 0) = 0 [pid 1114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1114] write(3, "1000", 4) = 4 [pid 1114] close(3) = 0 [pid 1114] memfd_create("syzkaller", 0) = 3 [pid 1114] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1114] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1114] munmap(0x7f26a8533000, 131072) = 0 [pid 1114] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1114] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1114] ioctl(4, LOOP_CLR_FD) = 0 [pid 1114] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1114] close(4) = 0 [pid 1114] close(3) = 0 [pid 1114] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1114] open("./file0", O_RDONLY) = 3 [pid 1114] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1114] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1114] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1114] exit_group(0) = ? [pid 1114] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1114, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1115 ./strace-static-x86_64: Process 1115 attached [pid 1115] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1115] setpgid(0, 0) = 0 [pid 1115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1115] write(3, "1000", 4) = 4 [pid 1115] close(3) = 0 [pid 1115] memfd_create("syzkaller", 0) = 3 [pid 1115] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1115] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1115] munmap(0x7f26a8533000, 131072) = 0 [pid 1115] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1115] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1115] ioctl(4, LOOP_CLR_FD) = 0 [pid 1115] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1115] close(4) = 0 [pid 1115] close(3) = 0 [pid 1115] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1115] open("./file0", O_RDONLY) = 3 [pid 1115] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1115] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1115] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1115] exit_group(0) = ? [pid 1115] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1115, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1116 ./strace-static-x86_64: Process 1116 attached [pid 1116] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1116] setpgid(0, 0) = 0 [pid 1116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1116] write(3, "1000", 4) = 4 [pid 1116] close(3) = 0 [pid 1116] memfd_create("syzkaller", 0) = 3 [pid 1116] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1116] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1116] munmap(0x7f26a8533000, 131072) = 0 [pid 1116] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1116] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1116] ioctl(4, LOOP_CLR_FD) = 0 [pid 1116] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1116] close(4) = 0 [pid 1116] close(3) = 0 [pid 1116] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1116] open("./file0", O_RDONLY) = 3 [pid 1116] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1116] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1116] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1116] exit_group(0) = ? [pid 1116] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1116, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1117 attached , child_tidptr=0x555556e0f5d0) = 1117 [pid 1117] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1117] setpgid(0, 0) = 0 [pid 1117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1117] write(3, "1000", 4) = 4 [pid 1117] close(3) = 0 [pid 1117] memfd_create("syzkaller", 0) = 3 [pid 1117] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1117] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1117] munmap(0x7f26a8533000, 131072) = 0 [pid 1117] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1117] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1117] ioctl(4, LOOP_CLR_FD) = 0 [pid 1117] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1117] close(4) = 0 [pid 1117] close(3) = 0 [pid 1117] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1117] open("./file0", O_RDONLY) = 3 [pid 1117] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1117] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1117] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1117] exit_group(0) = ? [pid 1117] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1117, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1118 attached , child_tidptr=0x555556e0f5d0) = 1118 [pid 1118] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1118] setpgid(0, 0) = 0 [pid 1118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1118] write(3, "1000", 4) = 4 [pid 1118] close(3) = 0 [pid 1118] memfd_create("syzkaller", 0) = 3 [pid 1118] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1118] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1118] munmap(0x7f26a8533000, 131072) = 0 [pid 1118] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1118] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1118] ioctl(4, LOOP_CLR_FD) = 0 [pid 1118] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1118] close(4) = 0 [pid 1118] close(3) = 0 [pid 1118] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1118] open("./file0", O_RDONLY) = 3 [pid 1118] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1118] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1118] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1118] exit_group(0) = ? [pid 1118] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1118, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1119 ./strace-static-x86_64: Process 1119 attached [pid 1119] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1119] setpgid(0, 0) = 0 [pid 1119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1119] write(3, "1000", 4) = 4 [pid 1119] close(3) = 0 [pid 1119] memfd_create("syzkaller", 0) = 3 [pid 1119] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1119] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1119] munmap(0x7f26a8533000, 131072) = 0 [pid 1119] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1119] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1119] ioctl(4, LOOP_CLR_FD) = 0 [pid 1119] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1119] close(4) = 0 [pid 1119] close(3) = 0 [pid 1119] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1119] open("./file0", O_RDONLY) = 3 [pid 1119] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1119] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1119] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1119] exit_group(0) = ? [pid 1119] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1119, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1120 ./strace-static-x86_64: Process 1120 attached [pid 1120] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1120] setpgid(0, 0) = 0 [pid 1120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1120] write(3, "1000", 4) = 4 [pid 1120] close(3) = 0 [pid 1120] memfd_create("syzkaller", 0) = 3 [pid 1120] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1120] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1120] munmap(0x7f26a8533000, 131072) = 0 [pid 1120] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1120] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1120] ioctl(4, LOOP_CLR_FD) = 0 [pid 1120] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1120] close(4) = 0 [pid 1120] close(3) = 0 [pid 1120] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1120] open("./file0", O_RDONLY) = 3 [pid 1120] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1120] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1120] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1120] exit_group(0) = ? [pid 1120] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1120, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1121 ./strace-static-x86_64: Process 1121 attached [pid 1121] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1121] setpgid(0, 0) = 0 [pid 1121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1121] write(3, "1000", 4) = 4 [pid 1121] close(3) = 0 [pid 1121] memfd_create("syzkaller", 0) = 3 [pid 1121] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1121] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1121] munmap(0x7f26a8533000, 131072) = 0 [pid 1121] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1121] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1121] ioctl(4, LOOP_CLR_FD) = 0 [pid 1121] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1121] close(4) = 0 [pid 1121] close(3) = 0 [pid 1121] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1121] open("./file0", O_RDONLY) = 3 [pid 1121] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1121] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1121] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1121] exit_group(0) = ? [pid 1121] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1121, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1122 ./strace-static-x86_64: Process 1122 attached [pid 1122] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1122] setpgid(0, 0) = 0 [pid 1122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1122] write(3, "1000", 4) = 4 [pid 1122] close(3) = 0 [pid 1122] memfd_create("syzkaller", 0) = 3 [pid 1122] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1122] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1122] munmap(0x7f26a8533000, 131072) = 0 [pid 1122] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1122] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1122] ioctl(4, LOOP_CLR_FD) = 0 [pid 1122] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1122] close(4) = 0 [pid 1122] close(3) = 0 [pid 1122] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1122] open("./file0", O_RDONLY) = 3 [pid 1122] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1122] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1122] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1122] exit_group(0) = ? [pid 1122] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1122, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1123 ./strace-static-x86_64: Process 1123 attached [pid 1123] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1123] setpgid(0, 0) = 0 [pid 1123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1123] write(3, "1000", 4) = 4 [pid 1123] close(3) = 0 [pid 1123] memfd_create("syzkaller", 0) = 3 [pid 1123] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1123] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1123] munmap(0x7f26a8533000, 131072) = 0 [pid 1123] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1123] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1123] ioctl(4, LOOP_CLR_FD) = 0 [pid 1123] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1123] close(4) = 0 [pid 1123] close(3) = 0 [pid 1123] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1123] open("./file0", O_RDONLY) = 3 [pid 1123] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1123] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1123] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1123] exit_group(0) = ? [pid 1123] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1123, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1124 ./strace-static-x86_64: Process 1124 attached [pid 1124] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1124] setpgid(0, 0) = 0 [pid 1124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1124] write(3, "1000", 4) = 4 [pid 1124] close(3) = 0 [pid 1124] memfd_create("syzkaller", 0) = 3 [pid 1124] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1124] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1124] munmap(0x7f26a8533000, 131072) = 0 [pid 1124] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1124] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1124] ioctl(4, LOOP_CLR_FD) = 0 [pid 1124] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1124] close(4) = 0 [pid 1124] close(3) = 0 [pid 1124] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1124] open("./file0", O_RDONLY) = 3 [pid 1124] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1124] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1124] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1124] exit_group(0) = ? [pid 1124] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1124, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1125 ./strace-static-x86_64: Process 1125 attached [pid 1125] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1125] setpgid(0, 0) = 0 [pid 1125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1125] write(3, "1000", 4) = 4 [pid 1125] close(3) = 0 [pid 1125] memfd_create("syzkaller", 0) = 3 [pid 1125] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1125] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1125] munmap(0x7f26a8533000, 131072) = 0 [pid 1125] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1125] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1125] ioctl(4, LOOP_CLR_FD) = 0 [pid 1125] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1125] close(4) = 0 [pid 1125] close(3) = 0 [pid 1125] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1125] open("./file0", O_RDONLY) = 3 [pid 1125] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1125] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1125] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1125] exit_group(0) = ? [pid 1125] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1125, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1126 ./strace-static-x86_64: Process 1126 attached [pid 1126] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1126] setpgid(0, 0) = 0 [pid 1126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1126] write(3, "1000", 4) = 4 [pid 1126] close(3) = 0 [pid 1126] memfd_create("syzkaller", 0) = 3 [pid 1126] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1126] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1126] munmap(0x7f26a8533000, 131072) = 0 [pid 1126] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1126] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1126] ioctl(4, LOOP_CLR_FD) = 0 [pid 1126] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1126] close(4) = 0 [pid 1126] close(3) = 0 [pid 1126] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1126] open("./file0", O_RDONLY) = 3 [pid 1126] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1126] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1126] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1126] exit_group(0) = ? [pid 1126] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1126, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1127 ./strace-static-x86_64: Process 1127 attached [pid 1127] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1127] setpgid(0, 0) = 0 [pid 1127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1127] write(3, "1000", 4) = 4 [pid 1127] close(3) = 0 [pid 1127] memfd_create("syzkaller", 0) = 3 [pid 1127] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1127] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1127] munmap(0x7f26a8533000, 131072) = 0 [pid 1127] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1127] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1127] ioctl(4, LOOP_CLR_FD) = 0 [pid 1127] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1127] close(4) = 0 [pid 1127] close(3) = 0 [pid 1127] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1127] open("./file0", O_RDONLY) = 3 [pid 1127] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1127] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1127] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1127] exit_group(0) = ? [pid 1127] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1127, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1128 ./strace-static-x86_64: Process 1128 attached [pid 1128] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1128] setpgid(0, 0) = 0 [pid 1128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1128] write(3, "1000", 4) = 4 [pid 1128] close(3) = 0 [pid 1128] memfd_create("syzkaller", 0) = 3 [pid 1128] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1128] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1128] munmap(0x7f26a8533000, 131072) = 0 [pid 1128] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1128] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1128] ioctl(4, LOOP_CLR_FD) = 0 [pid 1128] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1128] close(4) = 0 [pid 1128] close(3) = 0 [pid 1128] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1128] open("./file0", O_RDONLY) = 3 [pid 1128] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1128] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1128] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1128] exit_group(0) = ? [pid 1128] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1128, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1129 ./strace-static-x86_64: Process 1129 attached [pid 1129] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1129] setpgid(0, 0) = 0 [pid 1129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1129] write(3, "1000", 4) = 4 [pid 1129] close(3) = 0 [pid 1129] memfd_create("syzkaller", 0) = 3 [pid 1129] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1129] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1129] munmap(0x7f26a8533000, 131072) = 0 [pid 1129] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1129] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1129] ioctl(4, LOOP_CLR_FD) = 0 [pid 1129] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1129] close(4) = 0 [pid 1129] close(3) = 0 [pid 1129] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1129] open("./file0", O_RDONLY) = 3 [pid 1129] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1129] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1129] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1129] exit_group(0) = ? [pid 1129] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1129, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1130 ./strace-static-x86_64: Process 1130 attached [pid 1130] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1130] setpgid(0, 0) = 0 [pid 1130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1130] write(3, "1000", 4) = 4 [pid 1130] close(3) = 0 [pid 1130] memfd_create("syzkaller", 0) = 3 [pid 1130] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1130] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1130] munmap(0x7f26a8533000, 131072) = 0 [pid 1130] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1130] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1130] ioctl(4, LOOP_CLR_FD) = 0 [pid 1130] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1130] close(4) = 0 [pid 1130] close(3) = 0 [pid 1130] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1130] open("./file0", O_RDONLY) = 3 [pid 1130] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1130] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1130] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1130] exit_group(0) = ? [pid 1130] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1130, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1131 ./strace-static-x86_64: Process 1131 attached [pid 1131] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1131] setpgid(0, 0) = 0 [pid 1131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1131] write(3, "1000", 4) = 4 [pid 1131] close(3) = 0 [pid 1131] memfd_create("syzkaller", 0) = 3 [pid 1131] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1131] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1131] munmap(0x7f26a8533000, 131072) = 0 [pid 1131] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1131] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1131] ioctl(4, LOOP_CLR_FD) = 0 [pid 1131] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1131] close(4) = 0 [pid 1131] close(3) = 0 [pid 1131] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1131] open("./file0", O_RDONLY) = 3 [pid 1131] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1131] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1131] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1131] exit_group(0) = ? [pid 1131] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1131, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1132 ./strace-static-x86_64: Process 1132 attached [pid 1132] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1132] setpgid(0, 0) = 0 [pid 1132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1132] write(3, "1000", 4) = 4 [pid 1132] close(3) = 0 [pid 1132] memfd_create("syzkaller", 0) = 3 [pid 1132] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1132] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1132] munmap(0x7f26a8533000, 131072) = 0 [pid 1132] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1132] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1132] ioctl(4, LOOP_CLR_FD) = 0 [pid 1132] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1132] close(4) = 0 [pid 1132] close(3) = 0 [pid 1132] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1132] open("./file0", O_RDONLY) = 3 [pid 1132] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1132] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1132] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1132] exit_group(0) = ? [pid 1132] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1132, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1133 ./strace-static-x86_64: Process 1133 attached [pid 1133] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1133] setpgid(0, 0) = 0 [pid 1133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1133] write(3, "1000", 4) = 4 [pid 1133] close(3) = 0 [pid 1133] memfd_create("syzkaller", 0) = 3 [pid 1133] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1133] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1133] munmap(0x7f26a8533000, 131072) = 0 [pid 1133] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1133] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1133] ioctl(4, LOOP_CLR_FD) = 0 [pid 1133] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1133] close(4) = 0 [pid 1133] close(3) = 0 [pid 1133] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1133] open("./file0", O_RDONLY) = 3 [pid 1133] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1133] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1133] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1133] exit_group(0) = ? [pid 1133] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1133, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1134 attached , child_tidptr=0x555556e0f5d0) = 1134 [pid 1134] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1134] setpgid(0, 0) = 0 [pid 1134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1134] write(3, "1000", 4) = 4 [pid 1134] close(3) = 0 [pid 1134] memfd_create("syzkaller", 0) = 3 [pid 1134] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1134] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1134] munmap(0x7f26a8533000, 131072) = 0 [pid 1134] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1134] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1134] ioctl(4, LOOP_CLR_FD) = 0 [pid 1134] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1134] close(4) = 0 [pid 1134] close(3) = 0 [pid 1134] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1134] open("./file0", O_RDONLY) = 3 [pid 1134] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1134] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1134] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1134] exit_group(0) = ? [pid 1134] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1134, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1135 ./strace-static-x86_64: Process 1135 attached [pid 1135] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1135] setpgid(0, 0) = 0 [pid 1135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1135] write(3, "1000", 4) = 4 [pid 1135] close(3) = 0 [pid 1135] memfd_create("syzkaller", 0) = 3 [pid 1135] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1135] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1135] munmap(0x7f26a8533000, 131072) = 0 [pid 1135] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1135] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1135] ioctl(4, LOOP_CLR_FD) = 0 [pid 1135] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1135] close(4) = 0 [pid 1135] close(3) = 0 [pid 1135] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1135] open("./file0", O_RDONLY) = 3 [pid 1135] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1135] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1135] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1135] exit_group(0) = ? [pid 1135] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1135, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1136 attached , child_tidptr=0x555556e0f5d0) = 1136 [pid 1136] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1136] setpgid(0, 0) = 0 [pid 1136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1136] write(3, "1000", 4) = 4 [pid 1136] close(3) = 0 [pid 1136] memfd_create("syzkaller", 0) = 3 [pid 1136] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1136] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1136] munmap(0x7f26a8533000, 131072) = 0 [pid 1136] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1136] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1136] ioctl(4, LOOP_CLR_FD) = 0 [pid 1136] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1136] close(4) = 0 [pid 1136] close(3) = 0 [pid 1136] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1136] open("./file0", O_RDONLY) = 3 [pid 1136] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1136] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1136] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1136] exit_group(0) = ? [pid 1136] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1136, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1137 ./strace-static-x86_64: Process 1137 attached [pid 1137] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1137] setpgid(0, 0) = 0 [pid 1137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1137] write(3, "1000", 4) = 4 [pid 1137] close(3) = 0 [pid 1137] memfd_create("syzkaller", 0) = 3 [pid 1137] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1137] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1137] munmap(0x7f26a8533000, 131072) = 0 [pid 1137] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1137] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1137] ioctl(4, LOOP_CLR_FD) = 0 [pid 1137] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1137] close(4) = 0 [pid 1137] close(3) = 0 [pid 1137] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1137] open("./file0", O_RDONLY) = 3 [pid 1137] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1137] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1137] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1137] exit_group(0) = ? [pid 1137] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1137, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1138 attached [pid 1138] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1138] setpgid(0, 0) = 0 [pid 1138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1138] write(3, "1000", 4 [pid 407] <... clone resumed>, child_tidptr=0x555556e0f5d0) = 1138 [pid 1138] <... write resumed>) = 4 [pid 1138] close(3) = 0 [pid 1138] memfd_create("syzkaller", 0) = 3 [pid 1138] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1138] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1138] munmap(0x7f26a8533000, 131072) = 0 [pid 1138] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1138] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1138] ioctl(4, LOOP_CLR_FD) = 0 [pid 1138] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1138] close(4) = 0 [pid 1138] close(3) = 0 [pid 1138] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1138] open("./file0", O_RDONLY) = 3 [pid 1138] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1138] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1138] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1138] exit_group(0) = ? [pid 1138] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1138, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1139 ./strace-static-x86_64: Process 1139 attached [pid 1139] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1139] setpgid(0, 0) = 0 [pid 1139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1139] write(3, "1000", 4) = 4 [pid 1139] close(3) = 0 [pid 1139] memfd_create("syzkaller", 0) = 3 [pid 1139] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1139] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1139] munmap(0x7f26a8533000, 131072) = 0 [pid 1139] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1139] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1139] ioctl(4, LOOP_CLR_FD) = 0 [pid 1139] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1139] close(4) = 0 [pid 1139] close(3) = 0 [pid 1139] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1139] open("./file0", O_RDONLY) = 3 [pid 1139] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1139] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1139] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1139] exit_group(0) = ? [pid 1139] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1139, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1140 ./strace-static-x86_64: Process 1140 attached [pid 1140] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1140] setpgid(0, 0) = 0 [pid 1140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1140] write(3, "1000", 4) = 4 [pid 1140] close(3) = 0 [pid 1140] memfd_create("syzkaller", 0) = 3 [pid 1140] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1140] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1140] munmap(0x7f26a8533000, 131072) = 0 [pid 1140] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1140] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1140] ioctl(4, LOOP_CLR_FD) = 0 [pid 1140] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1140] close(4) = 0 [pid 1140] close(3) = 0 [pid 1140] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1140] open("./file0", O_RDONLY) = 3 [pid 1140] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1140] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1140] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1140] exit_group(0) = ? [pid 1140] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1140, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1141 ./strace-static-x86_64: Process 1141 attached [pid 1141] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1141] setpgid(0, 0) = 0 [pid 1141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1141] write(3, "1000", 4) = 4 [pid 1141] close(3) = 0 [pid 1141] memfd_create("syzkaller", 0) = 3 [pid 1141] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1141] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1141] munmap(0x7f26a8533000, 131072) = 0 [pid 1141] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1141] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1141] ioctl(4, LOOP_CLR_FD) = 0 [pid 1141] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1141] close(4) = 0 [pid 1141] close(3) = 0 [pid 1141] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1141] open("./file0", O_RDONLY) = 3 [pid 1141] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1141] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1141] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1141] exit_group(0) = ? [pid 1141] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1141, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1142 ./strace-static-x86_64: Process 1142 attached [pid 1142] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1142] setpgid(0, 0) = 0 [pid 1142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1142] write(3, "1000", 4) = 4 [pid 1142] close(3) = 0 [pid 1142] memfd_create("syzkaller", 0) = 3 [pid 1142] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1142] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1142] munmap(0x7f26a8533000, 131072) = 0 [pid 1142] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1142] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1142] ioctl(4, LOOP_CLR_FD) = 0 [pid 1142] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1142] close(4) = 0 [pid 1142] close(3) = 0 [pid 1142] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1142] open("./file0", O_RDONLY) = 3 [pid 1142] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1142] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1142] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1142] exit_group(0) = ? [pid 1142] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1142, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1143 ./strace-static-x86_64: Process 1143 attached [pid 1143] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1143] setpgid(0, 0) = 0 [pid 1143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1143] write(3, "1000", 4) = 4 [pid 1143] close(3) = 0 [pid 1143] memfd_create("syzkaller", 0) = 3 [pid 1143] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1143] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1143] munmap(0x7f26a8533000, 131072) = 0 [pid 1143] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1143] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1143] ioctl(4, LOOP_CLR_FD) = 0 [pid 1143] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1143] close(4) = 0 [pid 1143] close(3) = 0 [pid 1143] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1143] open("./file0", O_RDONLY) = 3 [pid 1143] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1143] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1143] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1143] exit_group(0) = ? [pid 1143] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1143, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1144 ./strace-static-x86_64: Process 1144 attached [pid 1144] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1144] setpgid(0, 0) = 0 [pid 1144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1144] write(3, "1000", 4) = 4 [pid 1144] close(3) = 0 [pid 1144] memfd_create("syzkaller", 0) = 3 [pid 1144] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1144] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1144] munmap(0x7f26a8533000, 131072) = 0 [pid 1144] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1144] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1144] ioctl(4, LOOP_CLR_FD) = 0 [pid 1144] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1144] close(4) = 0 [pid 1144] close(3) = 0 [pid 1144] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1144] open("./file0", O_RDONLY) = 3 [pid 1144] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1144] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1144] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1144] exit_group(0) = ? [pid 1144] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1144, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1145 ./strace-static-x86_64: Process 1145 attached [pid 1145] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1145] setpgid(0, 0) = 0 [pid 1145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1145] write(3, "1000", 4) = 4 [pid 1145] close(3) = 0 [pid 1145] memfd_create("syzkaller", 0) = 3 [pid 1145] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1145] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1145] munmap(0x7f26a8533000, 131072) = 0 [pid 1145] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1145] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1145] ioctl(4, LOOP_CLR_FD) = 0 [pid 1145] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1145] close(4) = 0 [pid 1145] close(3) = 0 [pid 1145] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1145] open("./file0", O_RDONLY) = 3 [pid 1145] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1145] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1145] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1145] exit_group(0) = ? [pid 1145] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1145, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1146 ./strace-static-x86_64: Process 1146 attached [pid 1146] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1146] setpgid(0, 0) = 0 [pid 1146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1146] write(3, "1000", 4) = 4 [pid 1146] close(3) = 0 [pid 1146] memfd_create("syzkaller", 0) = 3 [pid 1146] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1146] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1146] munmap(0x7f26a8533000, 131072) = 0 [pid 1146] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1146] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1146] ioctl(4, LOOP_CLR_FD) = 0 [pid 1146] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1146] close(4) = 0 [pid 1146] close(3) = 0 [pid 1146] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1146] open("./file0", O_RDONLY) = 3 [pid 1146] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1146] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1146] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1146] exit_group(0) = ? [pid 1146] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1146, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1147 ./strace-static-x86_64: Process 1147 attached [pid 1147] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1147] setpgid(0, 0) = 0 [pid 1147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1147] write(3, "1000", 4) = 4 [pid 1147] close(3) = 0 [pid 1147] memfd_create("syzkaller", 0) = 3 [pid 1147] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1147] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1147] munmap(0x7f26a8533000, 131072) = 0 [pid 1147] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1147] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1147] ioctl(4, LOOP_CLR_FD) = 0 [pid 1147] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1147] close(4) = 0 [pid 1147] close(3) = 0 [pid 1147] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1147] open("./file0", O_RDONLY) = 3 [pid 1147] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1147] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1147] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1147] exit_group(0) = ? [pid 1147] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1147, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1148 ./strace-static-x86_64: Process 1148 attached [pid 1148] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1148] setpgid(0, 0) = 0 [pid 1148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1148] write(3, "1000", 4) = 4 [pid 1148] close(3) = 0 [pid 1148] memfd_create("syzkaller", 0) = 3 [pid 1148] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1148] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1148] munmap(0x7f26a8533000, 131072) = 0 [pid 1148] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1148] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1148] ioctl(4, LOOP_CLR_FD) = 0 [pid 1148] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1148] close(4) = 0 [pid 1148] close(3) = 0 [pid 1148] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1148] open("./file0", O_RDONLY) = 3 [pid 1148] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1148] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1148] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1148] exit_group(0) = ? [pid 1148] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1148, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1149 ./strace-static-x86_64: Process 1149 attached [pid 1149] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1149] setpgid(0, 0) = 0 [pid 1149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1149] write(3, "1000", 4) = 4 [pid 1149] close(3) = 0 [pid 1149] memfd_create("syzkaller", 0) = 3 [pid 1149] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1149] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1149] munmap(0x7f26a8533000, 131072) = 0 [pid 1149] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1149] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1149] ioctl(4, LOOP_CLR_FD) = 0 [pid 1149] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1149] close(4) = 0 [pid 1149] close(3) = 0 [pid 1149] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1149] open("./file0", O_RDONLY) = 3 [pid 1149] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1149] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1149] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1149] exit_group(0) = ? [pid 1149] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1149, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1150 ./strace-static-x86_64: Process 1150 attached [pid 1150] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1150] setpgid(0, 0) = 0 [pid 1150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1150] write(3, "1000", 4) = 4 [pid 1150] close(3) = 0 [pid 1150] memfd_create("syzkaller", 0) = 3 [pid 1150] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1150] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1150] munmap(0x7f26a8533000, 131072) = 0 [pid 1150] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1150] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1150] ioctl(4, LOOP_CLR_FD) = 0 [pid 1150] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1150] close(4) = 0 [pid 1150] close(3) = 0 [pid 1150] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1150] open("./file0", O_RDONLY) = 3 [pid 1150] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1150] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1150] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1150] exit_group(0) = ? [pid 1150] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1150, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1151 ./strace-static-x86_64: Process 1151 attached [pid 1151] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1151] setpgid(0, 0) = 0 [pid 1151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1151] write(3, "1000", 4) = 4 [pid 1151] close(3) = 0 [pid 1151] memfd_create("syzkaller", 0) = 3 [pid 1151] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1151] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1151] munmap(0x7f26a8533000, 131072) = 0 [pid 1151] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1151] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1151] ioctl(4, LOOP_CLR_FD) = 0 [pid 1151] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1151] close(4) = 0 [pid 1151] close(3) = 0 [pid 1151] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1151] open("./file0", O_RDONLY) = 3 [pid 1151] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1151] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1151] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1151] exit_group(0) = ? [pid 1151] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1151, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1152 ./strace-static-x86_64: Process 1152 attached [pid 1152] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1152] setpgid(0, 0) = 0 [pid 1152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1152] write(3, "1000", 4) = 4 [pid 1152] close(3) = 0 [pid 1152] memfd_create("syzkaller", 0) = 3 [pid 1152] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1152] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1152] munmap(0x7f26a8533000, 131072) = 0 [pid 1152] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1152] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1152] ioctl(4, LOOP_CLR_FD) = 0 [pid 1152] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1152] close(4) = 0 [pid 1152] close(3) = 0 [pid 1152] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1152] open("./file0", O_RDONLY) = 3 [pid 1152] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1152] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1152] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1152] exit_group(0) = ? [pid 1152] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1152, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1153 ./strace-static-x86_64: Process 1153 attached [pid 1153] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1153] setpgid(0, 0) = 0 [pid 1153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1153] write(3, "1000", 4) = 4 [pid 1153] close(3) = 0 [pid 1153] memfd_create("syzkaller", 0) = 3 [pid 1153] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1153] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1153] munmap(0x7f26a8533000, 131072) = 0 [pid 1153] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1153] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1153] ioctl(4, LOOP_CLR_FD) = 0 [pid 1153] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1153] close(4) = 0 [pid 1153] close(3) = 0 [pid 1153] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1153] open("./file0", O_RDONLY) = 3 [pid 1153] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1153] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1153] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1153] exit_group(0) = ? [pid 1153] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1153, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1154 ./strace-static-x86_64: Process 1154 attached [pid 1154] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1154] setpgid(0, 0) = 0 [pid 1154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1154] write(3, "1000", 4) = 4 [pid 1154] close(3) = 0 [pid 1154] memfd_create("syzkaller", 0) = 3 [pid 1154] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1154] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1154] munmap(0x7f26a8533000, 131072) = 0 [pid 1154] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1154] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1154] ioctl(4, LOOP_CLR_FD) = 0 [pid 1154] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1154] close(4) = 0 [pid 1154] close(3) = 0 [pid 1154] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1154] open("./file0", O_RDONLY) = 3 [pid 1154] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1154] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1154] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1154] exit_group(0) = ? [pid 1154] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1154, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1155 ./strace-static-x86_64: Process 1155 attached [pid 1155] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1155] setpgid(0, 0) = 0 [pid 1155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1155] write(3, "1000", 4) = 4 [pid 1155] close(3) = 0 [pid 1155] memfd_create("syzkaller", 0) = 3 [pid 1155] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1155] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1155] munmap(0x7f26a8533000, 131072) = 0 [pid 1155] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1155] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1155] ioctl(4, LOOP_CLR_FD) = 0 [pid 1155] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1155] close(4) = 0 [pid 1155] close(3) = 0 [pid 1155] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1155] open("./file0", O_RDONLY) = 3 [pid 1155] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1155] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1155] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1155] exit_group(0) = ? [pid 1155] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1155, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1156 ./strace-static-x86_64: Process 1156 attached [pid 1156] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1156] setpgid(0, 0) = 0 [pid 1156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1156] write(3, "1000", 4) = 4 [pid 1156] close(3) = 0 [pid 1156] memfd_create("syzkaller", 0) = 3 [pid 1156] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1156] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1156] munmap(0x7f26a8533000, 131072) = 0 [pid 1156] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1156] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1156] ioctl(4, LOOP_CLR_FD) = 0 [pid 1156] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1156] close(4) = 0 [pid 1156] close(3) = 0 [pid 1156] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1156] open("./file0", O_RDONLY) = 3 [pid 1156] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1156] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1156] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1156] exit_group(0) = ? [pid 1156] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1156, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1158 ./strace-static-x86_64: Process 1158 attached [pid 1158] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1158] setpgid(0, 0) = 0 [pid 1158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1158] write(3, "1000", 4) = 4 [pid 1158] close(3) = 0 [pid 1158] memfd_create("syzkaller", 0) = 3 [pid 1158] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1158] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1158] munmap(0x7f26a8533000, 131072) = 0 [pid 1158] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1158] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1158] ioctl(4, LOOP_CLR_FD) = 0 [pid 1158] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1158] close(4) = 0 [pid 1158] close(3) = 0 [pid 1158] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1158] open("./file0", O_RDONLY) = 3 [pid 1158] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1158] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1158] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1158] exit_group(0) = ? [pid 1158] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1158, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1159 ./strace-static-x86_64: Process 1159 attached [pid 1159] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1159] setpgid(0, 0) = 0 [pid 1159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1159] write(3, "1000", 4) = 4 [pid 1159] close(3) = 0 [pid 1159] memfd_create("syzkaller", 0) = 3 [pid 1159] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1159] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1159] munmap(0x7f26a8533000, 131072) = 0 [pid 1159] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1159] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1159] ioctl(4, LOOP_CLR_FD) = 0 [pid 1159] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1159] close(4) = 0 [pid 1159] close(3) = 0 [pid 1159] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1159] open("./file0", O_RDONLY) = 3 [pid 1159] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1159] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1159] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1159] exit_group(0) = ? [pid 1159] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1159, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1160 ./strace-static-x86_64: Process 1160 attached [pid 1160] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1160] setpgid(0, 0) = 0 [pid 1160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1160] write(3, "1000", 4) = 4 [pid 1160] close(3) = 0 [pid 1160] memfd_create("syzkaller", 0) = 3 [pid 1160] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1160] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1160] munmap(0x7f26a8533000, 131072) = 0 [pid 1160] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1160] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1160] ioctl(4, LOOP_CLR_FD) = 0 [pid 1160] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1160] close(4) = 0 [pid 1160] close(3) = 0 [pid 1160] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1160] open("./file0", O_RDONLY) = 3 [pid 1160] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1160] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1160] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1160] exit_group(0) = ? [pid 1160] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1160, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1161 ./strace-static-x86_64: Process 1161 attached [pid 1161] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1161] setpgid(0, 0) = 0 [pid 1161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1161] write(3, "1000", 4) = 4 [pid 1161] close(3) = 0 [pid 1161] memfd_create("syzkaller", 0) = 3 [pid 1161] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1161] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1161] munmap(0x7f26a8533000, 131072) = 0 [pid 1161] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1161] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1161] ioctl(4, LOOP_CLR_FD) = 0 [pid 1161] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1161] close(4) = 0 [pid 1161] close(3) = 0 [pid 1161] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1161] open("./file0", O_RDONLY) = 3 [pid 1161] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1161] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1161] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1161] exit_group(0) = ? [pid 1161] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1161, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1162 ./strace-static-x86_64: Process 1162 attached [pid 1162] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1162] setpgid(0, 0) = 0 [pid 1162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1162] write(3, "1000", 4) = 4 [pid 1162] close(3) = 0 [pid 1162] memfd_create("syzkaller", 0) = 3 [pid 1162] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1162] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1162] munmap(0x7f26a8533000, 131072) = 0 [pid 1162] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1162] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1162] ioctl(4, LOOP_CLR_FD) = 0 [pid 1162] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1162] close(4) = 0 [pid 1162] close(3) = 0 [pid 1162] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1162] open("./file0", O_RDONLY) = 3 [pid 1162] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1162] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1162] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1162] exit_group(0) = ? [pid 1162] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1162, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1163 ./strace-static-x86_64: Process 1163 attached [pid 1163] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1163] setpgid(0, 0) = 0 [pid 1163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1163] write(3, "1000", 4) = 4 [pid 1163] close(3) = 0 [pid 1163] memfd_create("syzkaller", 0) = 3 [pid 1163] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1163] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1163] munmap(0x7f26a8533000, 131072) = 0 [pid 1163] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1163] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1163] ioctl(4, LOOP_CLR_FD) = 0 [pid 1163] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1163] close(4) = 0 [pid 1163] close(3) = 0 [pid 1163] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1163] open("./file0", O_RDONLY) = 3 [pid 1163] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1163] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1163] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1163] exit_group(0) = ? [pid 1163] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1163, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1164 ./strace-static-x86_64: Process 1164 attached [pid 1164] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1164] setpgid(0, 0) = 0 [pid 1164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1164] write(3, "1000", 4) = 4 [pid 1164] close(3) = 0 [pid 1164] memfd_create("syzkaller", 0) = 3 [pid 1164] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1164] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1164] munmap(0x7f26a8533000, 131072) = 0 [pid 1164] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1164] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1164] ioctl(4, LOOP_CLR_FD) = 0 [pid 1164] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1164] close(4) = 0 [pid 1164] close(3) = 0 [pid 1164] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1164] open("./file0", O_RDONLY) = 3 [pid 1164] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1164] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1164] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1164] exit_group(0) = ? [pid 1164] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1164, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1165 ./strace-static-x86_64: Process 1165 attached [pid 1165] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1165] setpgid(0, 0) = 0 [pid 1165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1165] write(3, "1000", 4) = 4 [pid 1165] close(3) = 0 [pid 1165] memfd_create("syzkaller", 0) = 3 [pid 1165] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1165] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1165] munmap(0x7f26a8533000, 131072) = 0 [pid 1165] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1165] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1165] ioctl(4, LOOP_CLR_FD) = 0 [pid 1165] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1165] close(4) = 0 [pid 1165] close(3) = 0 [pid 1165] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1165] open("./file0", O_RDONLY) = 3 [pid 1165] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1165] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1165] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1165] exit_group(0) = ? [pid 1165] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1165, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1166 ./strace-static-x86_64: Process 1166 attached [pid 1166] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1166] setpgid(0, 0) = 0 [pid 1166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1166] write(3, "1000", 4) = 4 [pid 1166] close(3) = 0 [pid 1166] memfd_create("syzkaller", 0) = 3 [pid 1166] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1166] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1166] munmap(0x7f26a8533000, 131072) = 0 [pid 1166] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1166] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1166] ioctl(4, LOOP_CLR_FD) = 0 [pid 1166] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1166] close(4) = 0 [pid 1166] close(3) = 0 [pid 1166] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1166] open("./file0", O_RDONLY) = 3 [pid 1166] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1166] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1166] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1166] exit_group(0) = ? [pid 1166] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1166, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1167 ./strace-static-x86_64: Process 1167 attached [pid 1167] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1167] setpgid(0, 0) = 0 [pid 1167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1167] write(3, "1000", 4) = 4 [pid 1167] close(3) = 0 [pid 1167] memfd_create("syzkaller", 0) = 3 [pid 1167] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1167] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1167] munmap(0x7f26a8533000, 131072) = 0 [pid 1167] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1167] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1167] ioctl(4, LOOP_CLR_FD) = 0 [pid 1167] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1167] close(4) = 0 [pid 1167] close(3) = 0 [pid 1167] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1167] open("./file0", O_RDONLY) = 3 [pid 1167] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1167] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1167] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1167] exit_group(0) = ? [pid 1167] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1167, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1168 ./strace-static-x86_64: Process 1168 attached [pid 1168] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1168] setpgid(0, 0) = 0 [pid 1168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1168] write(3, "1000", 4) = 4 [pid 1168] close(3) = 0 [pid 1168] memfd_create("syzkaller", 0) = 3 [pid 1168] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1168] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1168] munmap(0x7f26a8533000, 131072) = 0 [pid 1168] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1168] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1168] ioctl(4, LOOP_CLR_FD) = 0 [pid 1168] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1168] close(4) = 0 [pid 1168] close(3) = 0 [pid 1168] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1168] open("./file0", O_RDONLY) = 3 [pid 1168] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1168] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1168] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1168] exit_group(0) = ? [pid 1168] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1168, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1169 ./strace-static-x86_64: Process 1169 attached [pid 1169] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1169] setpgid(0, 0) = 0 [pid 1169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1169] write(3, "1000", 4) = 4 [pid 1169] close(3) = 0 [pid 1169] memfd_create("syzkaller", 0) = 3 [pid 1169] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1169] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1169] munmap(0x7f26a8533000, 131072) = 0 [pid 1169] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1169] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1169] ioctl(4, LOOP_CLR_FD) = 0 [pid 1169] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1169] close(4) = 0 [pid 1169] close(3) = 0 [pid 1169] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1169] open("./file0", O_RDONLY) = 3 [pid 1169] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1169] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1169] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1169] exit_group(0) = ? [pid 1169] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1169, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1170 ./strace-static-x86_64: Process 1170 attached [pid 1170] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1170] setpgid(0, 0) = 0 [pid 1170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1170] write(3, "1000", 4) = 4 [pid 1170] close(3) = 0 [pid 1170] memfd_create("syzkaller", 0) = 3 [pid 1170] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1170] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1170] munmap(0x7f26a8533000, 131072) = 0 [pid 1170] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1170] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1170] ioctl(4, LOOP_CLR_FD) = 0 [pid 1170] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1170] close(4) = 0 [pid 1170] close(3) = 0 [pid 1170] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1170] open("./file0", O_RDONLY) = 3 [pid 1170] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1170] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1170] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1170] exit_group(0) = ? [pid 1170] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1170, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1171 attached , child_tidptr=0x555556e0f5d0) = 1171 [pid 1171] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1171] setpgid(0, 0) = 0 [pid 1171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1171] write(3, "1000", 4) = 4 [pid 1171] close(3) = 0 [pid 1171] memfd_create("syzkaller", 0) = 3 [pid 1171] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1171] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1171] munmap(0x7f26a8533000, 131072) = 0 [pid 1171] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1171] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1171] ioctl(4, LOOP_CLR_FD) = 0 [pid 1171] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1171] close(4) = 0 [pid 1171] close(3) = 0 [pid 1171] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1171] open("./file0", O_RDONLY) = 3 [pid 1171] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1171] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1171] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1171] exit_group(0) = ? [pid 1171] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1171, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1172 attached , child_tidptr=0x555556e0f5d0) = 1172 [pid 1172] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1172] setpgid(0, 0) = 0 [pid 1172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1172] write(3, "1000", 4) = 4 [pid 1172] close(3) = 0 [pid 1172] memfd_create("syzkaller", 0) = 3 [pid 1172] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1172] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1172] munmap(0x7f26a8533000, 131072) = 0 [pid 1172] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1172] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1172] ioctl(4, LOOP_CLR_FD) = 0 [pid 1172] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1172] close(4) = 0 [pid 1172] close(3) = 0 [pid 1172] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1172] open("./file0", O_RDONLY) = 3 [pid 1172] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1172] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1172] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1172] exit_group(0) = ? [pid 1172] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1172, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1173 ./strace-static-x86_64: Process 1173 attached [pid 1173] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1173] setpgid(0, 0) = 0 [pid 1173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1173] write(3, "1000", 4) = 4 [pid 1173] close(3) = 0 [pid 1173] memfd_create("syzkaller", 0) = 3 [pid 1173] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1173] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1173] munmap(0x7f26a8533000, 131072) = 0 [pid 1173] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1173] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1173] ioctl(4, LOOP_CLR_FD) = 0 [pid 1173] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1173] close(4) = 0 [pid 1173] close(3) = 0 [pid 1173] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1173] open("./file0", O_RDONLY) = 3 [pid 1173] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1173] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1173] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1173] exit_group(0) = ? [pid 1173] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1173, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1174 ./strace-static-x86_64: Process 1174 attached [pid 1174] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1174] setpgid(0, 0) = 0 [pid 1174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1174] write(3, "1000", 4) = 4 [pid 1174] close(3) = 0 [pid 1174] memfd_create("syzkaller", 0) = 3 [pid 1174] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1174] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1174] munmap(0x7f26a8533000, 131072) = 0 [pid 1174] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1174] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1174] ioctl(4, LOOP_CLR_FD) = 0 [pid 1174] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1174] close(4) = 0 [pid 1174] close(3) = 0 [pid 1174] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1174] open("./file0", O_RDONLY) = 3 [pid 1174] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1174] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1174] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1174] exit_group(0) = ? [pid 1174] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1174, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1175 ./strace-static-x86_64: Process 1175 attached [pid 1175] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1175] setpgid(0, 0) = 0 [pid 1175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1175] write(3, "1000", 4) = 4 [pid 1175] close(3) = 0 [pid 1175] memfd_create("syzkaller", 0) = 3 [pid 1175] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1175] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1175] munmap(0x7f26a8533000, 131072) = 0 [pid 1175] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1175] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1175] ioctl(4, LOOP_CLR_FD) = 0 [pid 1175] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1175] close(4) = 0 [pid 1175] close(3) = 0 [pid 1175] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1175] open("./file0", O_RDONLY) = 3 [pid 1175] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1175] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1175] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1175] exit_group(0) = ? [pid 1175] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1175, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1176 ./strace-static-x86_64: Process 1176 attached [pid 1176] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1176] setpgid(0, 0) = 0 [pid 1176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1176] write(3, "1000", 4) = 4 [pid 1176] close(3) = 0 [pid 1176] memfd_create("syzkaller", 0) = 3 [pid 1176] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1176] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1176] munmap(0x7f26a8533000, 131072) = 0 [pid 1176] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1176] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1176] ioctl(4, LOOP_CLR_FD) = 0 [pid 1176] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1176] close(4) = 0 [pid 1176] close(3) = 0 [pid 1176] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1176] open("./file0", O_RDONLY) = 3 [pid 1176] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1176] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1176] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1176] exit_group(0) = ? [pid 1176] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1176, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1177 ./strace-static-x86_64: Process 1177 attached [pid 1177] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1177] setpgid(0, 0) = 0 [pid 1177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1177] write(3, "1000", 4) = 4 [pid 1177] close(3) = 0 [pid 1177] memfd_create("syzkaller", 0) = 3 [pid 1177] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1177] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1177] munmap(0x7f26a8533000, 131072) = 0 [pid 1177] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1177] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1177] ioctl(4, LOOP_CLR_FD) = 0 [pid 1177] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1177] close(4) = 0 [pid 1177] close(3) = 0 [pid 1177] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1177] open("./file0", O_RDONLY) = 3 [pid 1177] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1177] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1177] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1177] exit_group(0) = ? [pid 1177] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1177, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1178 ./strace-static-x86_64: Process 1178 attached [pid 1178] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1178] setpgid(0, 0) = 0 [pid 1178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1178] write(3, "1000", 4) = 4 [pid 1178] close(3) = 0 [pid 1178] memfd_create("syzkaller", 0) = 3 [pid 1178] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1178] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1178] munmap(0x7f26a8533000, 131072) = 0 [pid 1178] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1178] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1178] ioctl(4, LOOP_CLR_FD) = 0 [pid 1178] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1178] close(4) = 0 [pid 1178] close(3) = 0 [pid 1178] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1178] open("./file0", O_RDONLY) = 3 [pid 1178] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1178] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1178] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1178] exit_group(0) = ? [pid 1178] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1178, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1179 ./strace-static-x86_64: Process 1179 attached [pid 1179] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1179] setpgid(0, 0) = 0 [pid 1179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1179] write(3, "1000", 4) = 4 [pid 1179] close(3) = 0 [pid 1179] memfd_create("syzkaller", 0) = 3 [pid 1179] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1179] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1179] munmap(0x7f26a8533000, 131072) = 0 [pid 1179] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1179] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1179] ioctl(4, LOOP_CLR_FD) = 0 [pid 1179] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1179] close(4) = 0 [pid 1179] close(3) = 0 [pid 1179] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1179] open("./file0", O_RDONLY) = 3 [pid 1179] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1179] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1179] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1179] exit_group(0) = ? [pid 1179] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1179, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1180 ./strace-static-x86_64: Process 1180 attached [pid 1180] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1180] setpgid(0, 0) = 0 [pid 1180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1180] write(3, "1000", 4) = 4 [pid 1180] close(3) = 0 [pid 1180] memfd_create("syzkaller", 0) = 3 [pid 1180] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1180] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1180] munmap(0x7f26a8533000, 131072) = 0 [pid 1180] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1180] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1180] ioctl(4, LOOP_CLR_FD) = 0 [pid 1180] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1180] close(4) = 0 [pid 1180] close(3) = 0 [pid 1180] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1180] open("./file0", O_RDONLY) = 3 [pid 1180] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1180] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1180] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1180] exit_group(0) = ? [pid 1180] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1180, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1181 ./strace-static-x86_64: Process 1181 attached [pid 1181] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1181] setpgid(0, 0) = 0 [pid 1181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1181] write(3, "1000", 4) = 4 [pid 1181] close(3) = 0 [pid 1181] memfd_create("syzkaller", 0) = 3 [pid 1181] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1181] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1181] munmap(0x7f26a8533000, 131072) = 0 [pid 1181] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1181] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1181] ioctl(4, LOOP_CLR_FD) = 0 [pid 1181] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1181] close(4) = 0 [pid 1181] close(3) = 0 [pid 1181] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1181] open("./file0", O_RDONLY) = 3 [pid 1181] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1181] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1181] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1181] exit_group(0) = ? [pid 1181] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1181, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1182 ./strace-static-x86_64: Process 1182 attached [pid 1182] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1182] setpgid(0, 0) = 0 [pid 1182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1182] write(3, "1000", 4) = 4 [pid 1182] close(3) = 0 [pid 1182] memfd_create("syzkaller", 0) = 3 [pid 1182] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1182] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1182] munmap(0x7f26a8533000, 131072) = 0 [pid 1182] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1182] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1182] ioctl(4, LOOP_CLR_FD) = 0 [pid 1182] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1182] close(4) = 0 [pid 1182] close(3) = 0 [pid 1182] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1182] open("./file0", O_RDONLY) = 3 [pid 1182] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1182] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1182] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1182] exit_group(0) = ? [pid 1182] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1182, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1183 ./strace-static-x86_64: Process 1183 attached [pid 1183] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1183] setpgid(0, 0) = 0 [pid 1183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1183] write(3, "1000", 4) = 4 [pid 1183] close(3) = 0 [pid 1183] memfd_create("syzkaller", 0) = 3 [pid 1183] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1183] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1183] munmap(0x7f26a8533000, 131072) = 0 [pid 1183] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1183] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1183] ioctl(4, LOOP_CLR_FD) = 0 [pid 1183] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1183] close(4) = 0 [pid 1183] close(3) = 0 [pid 1183] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1183] open("./file0", O_RDONLY) = 3 [pid 1183] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1183] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1183] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1183] exit_group(0) = ? [pid 1183] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1183, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1184 ./strace-static-x86_64: Process 1184 attached [pid 1184] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1184] setpgid(0, 0) = 0 [pid 1184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1184] write(3, "1000", 4) = 4 [pid 1184] close(3) = 0 [pid 1184] memfd_create("syzkaller", 0) = 3 [pid 1184] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1184] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1184] munmap(0x7f26a8533000, 131072) = 0 [pid 1184] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1184] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1184] ioctl(4, LOOP_CLR_FD) = 0 [pid 1184] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1184] close(4) = 0 [pid 1184] close(3) = 0 [pid 1184] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1184] open("./file0", O_RDONLY) = 3 [pid 1184] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1184] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1184] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1184] exit_group(0) = ? [pid 1184] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1184, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1185 ./strace-static-x86_64: Process 1185 attached [pid 1185] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1185] setpgid(0, 0) = 0 [pid 1185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1185] write(3, "1000", 4) = 4 [pid 1185] close(3) = 0 [pid 1185] memfd_create("syzkaller", 0) = 3 [pid 1185] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1185] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1185] munmap(0x7f26a8533000, 131072) = 0 [pid 1185] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1185] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1185] ioctl(4, LOOP_CLR_FD) = 0 [pid 1185] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1185] close(4) = 0 [pid 1185] close(3) = 0 [pid 1185] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1185] open("./file0", O_RDONLY) = 3 [pid 1185] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1185] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1185] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1185] exit_group(0) = ? [pid 1185] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1185, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1186 ./strace-static-x86_64: Process 1186 attached [pid 1186] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1186] setpgid(0, 0) = 0 [pid 1186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1186] write(3, "1000", 4) = 4 [pid 1186] close(3) = 0 [pid 1186] memfd_create("syzkaller", 0) = 3 [pid 1186] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1186] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1186] munmap(0x7f26a8533000, 131072) = 0 [pid 1186] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1186] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1186] ioctl(4, LOOP_CLR_FD) = 0 [pid 1186] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1186] close(4) = 0 [pid 1186] close(3) = 0 [pid 1186] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1186] open("./file0", O_RDONLY) = 3 [pid 1186] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1186] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1186] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1186] exit_group(0) = ? [pid 1186] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1186, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1187 ./strace-static-x86_64: Process 1187 attached [pid 1187] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1187] setpgid(0, 0) = 0 [pid 1187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1187] write(3, "1000", 4) = 4 [pid 1187] close(3) = 0 [pid 1187] memfd_create("syzkaller", 0) = 3 [pid 1187] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1187] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1187] munmap(0x7f26a8533000, 131072) = 0 [pid 1187] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1187] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1187] ioctl(4, LOOP_CLR_FD) = 0 [pid 1187] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1187] close(4) = 0 [pid 1187] close(3) = 0 [pid 1187] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1187] open("./file0", O_RDONLY) = 3 [pid 1187] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1187] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1187] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1187] exit_group(0) = ? [pid 1187] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1187, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1188 ./strace-static-x86_64: Process 1188 attached [pid 1188] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1188] setpgid(0, 0) = 0 [pid 1188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1188] write(3, "1000", 4) = 4 [pid 1188] close(3) = 0 [pid 1188] memfd_create("syzkaller", 0) = 3 [pid 1188] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1188] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1188] munmap(0x7f26a8533000, 131072) = 0 [pid 1188] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1188] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1188] ioctl(4, LOOP_CLR_FD) = 0 [pid 1188] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1188] close(4) = 0 [pid 1188] close(3) = 0 [pid 1188] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1188] open("./file0", O_RDONLY) = 3 [pid 1188] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1188] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1188] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1188] exit_group(0) = ? [pid 1188] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1188, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1189 ./strace-static-x86_64: Process 1189 attached [pid 1189] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1189] setpgid(0, 0) = 0 [pid 1189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1189] write(3, "1000", 4) = 4 [pid 1189] close(3) = 0 [pid 1189] memfd_create("syzkaller", 0) = 3 [pid 1189] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1189] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1189] munmap(0x7f26a8533000, 131072) = 0 [pid 1189] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1189] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1189] ioctl(4, LOOP_CLR_FD) = 0 [pid 1189] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1189] close(4) = 0 [pid 1189] close(3) = 0 [pid 1189] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1189] open("./file0", O_RDONLY) = 3 [pid 1189] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1189] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1189] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1189] exit_group(0) = ? [pid 1189] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1189, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1190 ./strace-static-x86_64: Process 1190 attached [pid 1190] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1190] setpgid(0, 0) = 0 [pid 1190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1190] write(3, "1000", 4) = 4 [pid 1190] close(3) = 0 [pid 1190] memfd_create("syzkaller", 0) = 3 [pid 1190] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1190] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1190] munmap(0x7f26a8533000, 131072) = 0 [pid 1190] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1190] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1190] ioctl(4, LOOP_CLR_FD) = 0 [pid 1190] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1190] close(4) = 0 [pid 1190] close(3) = 0 [pid 1190] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1190] open("./file0", O_RDONLY) = 3 [pid 1190] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1190] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1190] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1190] exit_group(0) = ? [pid 1190] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1190, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1191 ./strace-static-x86_64: Process 1191 attached [pid 1191] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1191] setpgid(0, 0) = 0 [pid 1191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1191] write(3, "1000", 4) = 4 [pid 1191] close(3) = 0 [pid 1191] memfd_create("syzkaller", 0) = 3 [pid 1191] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1191] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1191] munmap(0x7f26a8533000, 131072) = 0 [pid 1191] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1191] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1191] ioctl(4, LOOP_CLR_FD) = 0 [pid 1191] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1191] close(4) = 0 [pid 1191] close(3) = 0 [pid 1191] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1191] open("./file0", O_RDONLY) = 3 [pid 1191] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1191] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1191] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1191] exit_group(0) = ? [pid 1191] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1191, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1192 ./strace-static-x86_64: Process 1192 attached [pid 1192] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1192] setpgid(0, 0) = 0 [pid 1192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1192] write(3, "1000", 4) = 4 [pid 1192] close(3) = 0 [pid 1192] memfd_create("syzkaller", 0) = 3 [pid 1192] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1192] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1192] munmap(0x7f26a8533000, 131072) = 0 [pid 1192] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1192] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1192] ioctl(4, LOOP_CLR_FD) = 0 [pid 1192] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1192] close(4) = 0 [pid 1192] close(3) = 0 [pid 1192] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1192] open("./file0", O_RDONLY) = 3 [pid 1192] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1192] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1192] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1192] exit_group(0) = ? [pid 1192] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1192, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1193 attached [pid 1193] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 407] <... clone resumed>, child_tidptr=0x555556e0f5d0) = 1193 [pid 1193] <... prctl resumed>) = 0 [pid 1193] setpgid(0, 0) = 0 [pid 1193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1193] write(3, "1000", 4) = 4 [pid 1193] close(3) = 0 [pid 1193] memfd_create("syzkaller", 0) = 3 [pid 1193] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1193] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1193] munmap(0x7f26a8533000, 131072) = 0 [pid 1193] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1193] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1193] ioctl(4, LOOP_CLR_FD) = 0 [pid 1193] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1193] close(4) = 0 [pid 1193] close(3) = 0 [pid 1193] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1193] open("./file0", O_RDONLY) = 3 [pid 1193] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1193] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1193] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1193] exit_group(0) = ? [pid 1193] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1193, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1194 attached , child_tidptr=0x555556e0f5d0) = 1194 [pid 1194] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1194] setpgid(0, 0) = 0 [pid 1194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1194] write(3, "1000", 4) = 4 [pid 1194] close(3) = 0 [pid 1194] memfd_create("syzkaller", 0) = 3 [pid 1194] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1194] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1194] munmap(0x7f26a8533000, 131072) = 0 [pid 1194] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1194] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1194] ioctl(4, LOOP_CLR_FD) = 0 [pid 1194] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1194] close(4) = 0 [pid 1194] close(3) = 0 [pid 1194] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1194] open("./file0", O_RDONLY) = 3 [pid 1194] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1194] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1194] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1194] exit_group(0) = ? [pid 1194] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1194, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1195 ./strace-static-x86_64: Process 1195 attached [pid 1195] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1195] setpgid(0, 0) = 0 [pid 1195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1195] write(3, "1000", 4) = 4 [pid 1195] close(3) = 0 [pid 1195] memfd_create("syzkaller", 0) = 3 [pid 1195] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1195] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1195] munmap(0x7f26a8533000, 131072) = 0 [pid 1195] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1195] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1195] ioctl(4, LOOP_CLR_FD) = 0 [pid 1195] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1195] close(4) = 0 [pid 1195] close(3) = 0 [pid 1195] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1195] open("./file0", O_RDONLY) = 3 [pid 1195] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1195] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1195] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1195] exit_group(0) = ? [pid 1195] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1195, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1196 ./strace-static-x86_64: Process 1196 attached [pid 1196] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1196] setpgid(0, 0) = 0 [pid 1196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1196] write(3, "1000", 4) = 4 [pid 1196] close(3) = 0 [pid 1196] memfd_create("syzkaller", 0) = 3 [pid 1196] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1196] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1196] munmap(0x7f26a8533000, 131072) = 0 [pid 1196] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1196] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1196] ioctl(4, LOOP_CLR_FD) = 0 [pid 1196] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1196] close(4) = 0 [pid 1196] close(3) = 0 [pid 1196] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1196] open("./file0", O_RDONLY) = 3 [pid 1196] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1196] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1196] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1196] exit_group(0) = ? [pid 1196] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1196, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1197 ./strace-static-x86_64: Process 1197 attached [pid 1197] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1197] setpgid(0, 0) = 0 [pid 1197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1197] write(3, "1000", 4) = 4 [pid 1197] close(3) = 0 [pid 1197] memfd_create("syzkaller", 0) = 3 [pid 1197] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1197] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1197] munmap(0x7f26a8533000, 131072) = 0 [pid 1197] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1197] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1197] ioctl(4, LOOP_CLR_FD) = 0 [pid 1197] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1197] close(4) = 0 [pid 1197] close(3) = 0 [pid 1197] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1197] open("./file0", O_RDONLY) = 3 [pid 1197] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1197] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1197] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1197] exit_group(0) = ? [pid 1197] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1197, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1198 ./strace-static-x86_64: Process 1198 attached [pid 1198] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1198] setpgid(0, 0) = 0 [pid 1198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1198] write(3, "1000", 4) = 4 [pid 1198] close(3) = 0 [pid 1198] memfd_create("syzkaller", 0) = 3 [pid 1198] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1198] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1198] munmap(0x7f26a8533000, 131072) = 0 [pid 1198] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1198] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1198] ioctl(4, LOOP_CLR_FD) = 0 [pid 1198] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1198] close(4) = 0 [pid 1198] close(3) = 0 [pid 1198] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1198] open("./file0", O_RDONLY) = 3 [pid 1198] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1198] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1198] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1198] exit_group(0) = ? [pid 1198] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1198, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1199 ./strace-static-x86_64: Process 1199 attached [pid 1199] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1199] setpgid(0, 0) = 0 [pid 1199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1199] write(3, "1000", 4) = 4 [pid 1199] close(3) = 0 [pid 1199] memfd_create("syzkaller", 0) = 3 [pid 1199] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1199] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1199] munmap(0x7f26a8533000, 131072) = 0 [pid 1199] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1199] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1199] ioctl(4, LOOP_CLR_FD) = 0 [pid 1199] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1199] close(4) = 0 [pid 1199] close(3) = 0 [pid 1199] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1199] open("./file0", O_RDONLY) = 3 [pid 1199] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1199] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1199] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1199] exit_group(0) = ? [pid 1199] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1199, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1200 attached , child_tidptr=0x555556e0f5d0) = 1200 [pid 1200] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1200] setpgid(0, 0) = 0 [pid 1200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1200] write(3, "1000", 4) = 4 [pid 1200] close(3) = 0 [pid 1200] memfd_create("syzkaller", 0) = 3 [pid 1200] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1200] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1200] munmap(0x7f26a8533000, 131072) = 0 [pid 1200] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1200] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1200] ioctl(4, LOOP_CLR_FD) = 0 [pid 1200] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1200] close(4) = 0 [pid 1200] close(3) = 0 [pid 1200] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1200] open("./file0", O_RDONLY) = 3 [pid 1200] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1200] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1200] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1200] exit_group(0) = ? [pid 1200] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1200, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1201 attached , child_tidptr=0x555556e0f5d0) = 1201 [pid 1201] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1201] setpgid(0, 0) = 0 [pid 1201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1201] write(3, "1000", 4) = 4 [pid 1201] close(3) = 0 [pid 1201] memfd_create("syzkaller", 0) = 3 [pid 1201] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1201] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1201] munmap(0x7f26a8533000, 131072) = 0 [pid 1201] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1201] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1201] ioctl(4, LOOP_CLR_FD) = 0 [pid 1201] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1201] close(4) = 0 [pid 1201] close(3) = 0 [pid 1201] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1201] open("./file0", O_RDONLY) = 3 [pid 1201] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1201] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1201] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1201] exit_group(0) = ? [pid 1201] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1201, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1202 ./strace-static-x86_64: Process 1202 attached [pid 1202] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1202] setpgid(0, 0) = 0 [pid 1202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1202] write(3, "1000", 4) = 4 [pid 1202] close(3) = 0 [pid 1202] memfd_create("syzkaller", 0) = 3 [pid 1202] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1202] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1202] munmap(0x7f26a8533000, 131072) = 0 [pid 1202] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1202] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1202] ioctl(4, LOOP_CLR_FD) = 0 [pid 1202] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1202] close(4) = 0 [pid 1202] close(3) = 0 [pid 1202] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1202] open("./file0", O_RDONLY) = 3 [pid 1202] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1202] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1202] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1202] exit_group(0) = ? [pid 1202] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1202, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1203 attached , child_tidptr=0x555556e0f5d0) = 1203 [pid 1203] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1203] setpgid(0, 0) = 0 [pid 1203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1203] write(3, "1000", 4) = 4 [pid 1203] close(3) = 0 [pid 1203] memfd_create("syzkaller", 0) = 3 [pid 1203] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1203] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1203] munmap(0x7f26a8533000, 131072) = 0 [pid 1203] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1203] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1203] ioctl(4, LOOP_CLR_FD) = 0 [pid 1203] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1203] close(4) = 0 [pid 1203] close(3) = 0 [pid 1203] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1203] open("./file0", O_RDONLY) = 3 [pid 1203] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1203] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1203] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1203] exit_group(0) = ? [pid 1203] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1203, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1204 ./strace-static-x86_64: Process 1204 attached [pid 1204] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1204] setpgid(0, 0) = 0 [pid 1204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1204] write(3, "1000", 4) = 4 [pid 1204] close(3) = 0 [pid 1204] memfd_create("syzkaller", 0) = 3 [pid 1204] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1204] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1204] munmap(0x7f26a8533000, 131072) = 0 [pid 1204] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1204] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1204] ioctl(4, LOOP_CLR_FD) = 0 [pid 1204] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1204] close(4) = 0 [pid 1204] close(3) = 0 [pid 1204] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1204] open("./file0", O_RDONLY) = 3 [pid 1204] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1204] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1204] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1204] exit_group(0) = ? [pid 1204] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1204, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1205 ./strace-static-x86_64: Process 1205 attached [pid 1205] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1205] setpgid(0, 0) = 0 [pid 1205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1205] write(3, "1000", 4) = 4 [pid 1205] close(3) = 0 [pid 1205] memfd_create("syzkaller", 0) = 3 [pid 1205] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1205] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1205] munmap(0x7f26a8533000, 131072) = 0 [pid 1205] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1205] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1205] ioctl(4, LOOP_CLR_FD) = 0 [pid 1205] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1205] close(4) = 0 [pid 1205] close(3) = 0 [pid 1205] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1205] open("./file0", O_RDONLY) = 3 [pid 1205] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1205] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1205] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1205] exit_group(0) = ? [pid 1205] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1205, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1206 ./strace-static-x86_64: Process 1206 attached [pid 1206] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1206] setpgid(0, 0) = 0 [pid 1206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1206] write(3, "1000", 4) = 4 [pid 1206] close(3) = 0 [pid 1206] memfd_create("syzkaller", 0) = 3 [pid 1206] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1206] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1206] munmap(0x7f26a8533000, 131072) = 0 [pid 1206] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1206] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1206] ioctl(4, LOOP_CLR_FD) = 0 [pid 1206] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1206] close(4) = 0 [pid 1206] close(3) = 0 [pid 1206] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1206] open("./file0", O_RDONLY) = 3 [pid 1206] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1206] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1206] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1206] exit_group(0) = ? [pid 1206] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1206, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1207 ./strace-static-x86_64: Process 1207 attached [pid 1207] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1207] setpgid(0, 0) = 0 [pid 1207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1207] write(3, "1000", 4) = 4 [pid 1207] close(3) = 0 [pid 1207] memfd_create("syzkaller", 0) = 3 [pid 1207] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1207] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1207] munmap(0x7f26a8533000, 131072) = 0 [pid 1207] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1207] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1207] ioctl(4, LOOP_CLR_FD) = 0 [pid 1207] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1207] close(4) = 0 [pid 1207] close(3) = 0 [pid 1207] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1207] open("./file0", O_RDONLY) = 3 [pid 1207] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1207] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1207] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1207] exit_group(0) = ? [pid 1207] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1207, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1208 ./strace-static-x86_64: Process 1208 attached [pid 1208] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1208] setpgid(0, 0) = 0 [pid 1208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1208] write(3, "1000", 4) = 4 [pid 1208] close(3) = 0 [pid 1208] memfd_create("syzkaller", 0) = 3 [pid 1208] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1208] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1208] munmap(0x7f26a8533000, 131072) = 0 [pid 1208] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1208] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1208] ioctl(4, LOOP_CLR_FD) = 0 [pid 1208] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1208] close(4) = 0 [pid 1208] close(3) = 0 [pid 1208] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1208] open("./file0", O_RDONLY) = 3 [pid 1208] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1208] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1208] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1208] exit_group(0) = ? [pid 1208] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1208, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1209 ./strace-static-x86_64: Process 1209 attached [pid 1209] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1209] setpgid(0, 0) = 0 [pid 1209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1209] write(3, "1000", 4) = 4 [pid 1209] close(3) = 0 [pid 1209] memfd_create("syzkaller", 0) = 3 [pid 1209] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1209] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1209] munmap(0x7f26a8533000, 131072) = 0 [pid 1209] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1209] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1209] ioctl(4, LOOP_CLR_FD) = 0 [pid 1209] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1209] close(4) = 0 [pid 1209] close(3) = 0 [pid 1209] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1209] open("./file0", O_RDONLY) = 3 [pid 1209] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1209] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1209] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1209] exit_group(0) = ? [pid 1209] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1209, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1210 ./strace-static-x86_64: Process 1210 attached [pid 1210] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1210] setpgid(0, 0) = 0 [pid 1210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1210] write(3, "1000", 4) = 4 [pid 1210] close(3) = 0 [pid 1210] memfd_create("syzkaller", 0) = 3 [pid 1210] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1210] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1210] munmap(0x7f26a8533000, 131072) = 0 [pid 1210] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1210] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1210] ioctl(4, LOOP_CLR_FD) = 0 [pid 1210] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1210] close(4) = 0 [pid 1210] close(3) = 0 [pid 1210] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1210] open("./file0", O_RDONLY) = 3 [pid 1210] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1210] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1210] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1210] exit_group(0) = ? [pid 1210] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1210, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1211 attached , child_tidptr=0x555556e0f5d0) = 1211 [pid 1211] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1211] setpgid(0, 0) = 0 [pid 1211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1211] write(3, "1000", 4) = 4 [pid 1211] close(3) = 0 [pid 1211] memfd_create("syzkaller", 0) = 3 [pid 1211] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1211] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1211] munmap(0x7f26a8533000, 131072) = 0 [pid 1211] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1211] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1211] ioctl(4, LOOP_CLR_FD) = 0 [pid 1211] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1211] close(4) = 0 [pid 1211] close(3) = 0 [pid 1211] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1211] open("./file0", O_RDONLY) = 3 [pid 1211] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1211] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1211] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1211] exit_group(0) = ? [pid 1211] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1211, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1212 attached , child_tidptr=0x555556e0f5d0) = 1212 [pid 1212] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1212] setpgid(0, 0) = 0 [pid 1212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1212] write(3, "1000", 4) = 4 [pid 1212] close(3) = 0 [pid 1212] memfd_create("syzkaller", 0) = 3 [pid 1212] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1212] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1212] munmap(0x7f26a8533000, 131072) = 0 [pid 1212] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1212] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1212] ioctl(4, LOOP_CLR_FD) = 0 [pid 1212] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1212] close(4) = 0 [pid 1212] close(3) = 0 [pid 1212] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1212] open("./file0", O_RDONLY) = 3 [pid 1212] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1212] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1212] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1212] exit_group(0) = ? [pid 1212] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1212, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1213 ./strace-static-x86_64: Process 1213 attached [pid 1213] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1213] setpgid(0, 0) = 0 [pid 1213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1213] write(3, "1000", 4) = 4 [pid 1213] close(3) = 0 [pid 1213] memfd_create("syzkaller", 0) = 3 [pid 1213] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1213] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1213] munmap(0x7f26a8533000, 131072) = 0 [pid 1213] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1213] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1213] ioctl(4, LOOP_CLR_FD) = 0 [pid 1213] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1213] close(4) = 0 [pid 1213] close(3) = 0 [pid 1213] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1213] open("./file0", O_RDONLY) = 3 [pid 1213] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1213] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1213] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1213] exit_group(0) = ? [pid 1213] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1213, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1214 ./strace-static-x86_64: Process 1214 attached [pid 1214] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1214] setpgid(0, 0) = 0 [pid 1214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1214] write(3, "1000", 4) = 4 [pid 1214] close(3) = 0 [pid 1214] memfd_create("syzkaller", 0) = 3 [pid 1214] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1214] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1214] munmap(0x7f26a8533000, 131072) = 0 [pid 1214] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1214] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1214] ioctl(4, LOOP_CLR_FD) = 0 [pid 1214] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1214] close(4) = 0 [pid 1214] close(3) = 0 [pid 1214] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1214] open("./file0", O_RDONLY) = 3 [pid 1214] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1214] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1214] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1214] exit_group(0) = ? [pid 1214] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1214, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1215 ./strace-static-x86_64: Process 1215 attached [pid 1215] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1215] setpgid(0, 0) = 0 [pid 1215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1215] write(3, "1000", 4) = 4 [pid 1215] close(3) = 0 [pid 1215] memfd_create("syzkaller", 0) = 3 [pid 1215] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1215] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1215] munmap(0x7f26a8533000, 131072) = 0 [pid 1215] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1215] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1215] ioctl(4, LOOP_CLR_FD) = 0 [pid 1215] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1215] close(4) = 0 [pid 1215] close(3) = 0 [pid 1215] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1215] open("./file0", O_RDONLY) = 3 [pid 1215] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1215] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1215] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1215] exit_group(0) = ? [pid 1215] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1215, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1216 ./strace-static-x86_64: Process 1216 attached [pid 1216] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1216] setpgid(0, 0) = 0 [pid 1216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1216] write(3, "1000", 4) = 4 [pid 1216] close(3) = 0 [pid 1216] memfd_create("syzkaller", 0) = 3 [pid 1216] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1216] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1216] munmap(0x7f26a8533000, 131072) = 0 [pid 1216] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1216] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1216] ioctl(4, LOOP_CLR_FD) = 0 [pid 1216] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1216] close(4) = 0 [pid 1216] close(3) = 0 [pid 1216] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1216] open("./file0", O_RDONLY) = 3 [pid 1216] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1216] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1216] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1216] exit_group(0) = ? [pid 1216] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1216, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1217 ./strace-static-x86_64: Process 1217 attached [pid 1217] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1217] setpgid(0, 0) = 0 [pid 1217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1217] write(3, "1000", 4) = 4 [pid 1217] close(3) = 0 [pid 1217] memfd_create("syzkaller", 0) = 3 [pid 1217] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1217] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1217] munmap(0x7f26a8533000, 131072) = 0 [pid 1217] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1217] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1217] ioctl(4, LOOP_CLR_FD) = 0 [pid 1217] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1217] close(4) = 0 [pid 1217] close(3) = 0 [pid 1217] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1217] open("./file0", O_RDONLY) = 3 [pid 1217] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1217] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1217] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1217] exit_group(0) = ? [pid 1217] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1217, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1218 ./strace-static-x86_64: Process 1218 attached [pid 1218] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1218] setpgid(0, 0) = 0 [pid 1218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1218] write(3, "1000", 4) = 4 [pid 1218] close(3) = 0 [pid 1218] memfd_create("syzkaller", 0) = 3 [pid 1218] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1218] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1218] munmap(0x7f26a8533000, 131072) = 0 [pid 1218] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1218] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1218] ioctl(4, LOOP_CLR_FD) = 0 [pid 1218] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1218] close(4) = 0 [pid 1218] close(3) = 0 [pid 1218] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1218] open("./file0", O_RDONLY) = 3 [pid 1218] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1218] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1218] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1218] exit_group(0) = ? [pid 1218] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1218, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1219 ./strace-static-x86_64: Process 1219 attached [pid 1219] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1219] setpgid(0, 0) = 0 [pid 1219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1219] write(3, "1000", 4) = 4 [pid 1219] close(3) = 0 [pid 1219] memfd_create("syzkaller", 0) = 3 [pid 1219] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1219] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1219] munmap(0x7f26a8533000, 131072) = 0 [pid 1219] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1219] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1219] ioctl(4, LOOP_CLR_FD) = 0 [pid 1219] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1219] close(4) = 0 [pid 1219] close(3) = 0 [pid 1219] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1219] open("./file0", O_RDONLY) = 3 [pid 1219] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1219] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1219] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1219] exit_group(0) = ? [pid 1219] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1219, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1220 ./strace-static-x86_64: Process 1220 attached [pid 1220] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1220] setpgid(0, 0) = 0 [pid 1220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1220] write(3, "1000", 4) = 4 [pid 1220] close(3) = 0 [pid 1220] memfd_create("syzkaller", 0) = 3 [pid 1220] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1220] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1220] munmap(0x7f26a8533000, 131072) = 0 [pid 1220] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1220] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1220] ioctl(4, LOOP_CLR_FD) = 0 [pid 1220] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1220] close(4) = 0 [pid 1220] close(3) = 0 [pid 1220] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1220] open("./file0", O_RDONLY) = 3 [pid 1220] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1220] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1220] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1220] exit_group(0) = ? [pid 1220] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1220, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1221 ./strace-static-x86_64: Process 1221 attached [pid 1221] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1221] setpgid(0, 0) = 0 [pid 1221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1221] write(3, "1000", 4) = 4 [pid 1221] close(3) = 0 [pid 1221] memfd_create("syzkaller", 0) = 3 [pid 1221] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1221] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1221] munmap(0x7f26a8533000, 131072) = 0 [pid 1221] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1221] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1221] ioctl(4, LOOP_CLR_FD) = 0 [pid 1221] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1221] close(4) = 0 [pid 1221] close(3) = 0 [pid 1221] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1221] open("./file0", O_RDONLY) = 3 [pid 1221] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1221] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1221] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1221] exit_group(0) = ? [pid 1221] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1221, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1222 ./strace-static-x86_64: Process 1222 attached [pid 1222] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1222] setpgid(0, 0) = 0 [pid 1222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1222] write(3, "1000", 4) = 4 [pid 1222] close(3) = 0 [pid 1222] memfd_create("syzkaller", 0) = 3 [pid 1222] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1222] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1222] munmap(0x7f26a8533000, 131072) = 0 [pid 1222] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1222] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1222] ioctl(4, LOOP_CLR_FD) = 0 [pid 1222] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1222] close(4) = 0 [pid 1222] close(3) = 0 [pid 1222] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1222] open("./file0", O_RDONLY) = 3 [pid 1222] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1222] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1222] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1222] exit_group(0) = ? [pid 1222] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1222, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1223 ./strace-static-x86_64: Process 1223 attached [pid 1223] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1223] setpgid(0, 0) = 0 [pid 1223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1223] write(3, "1000", 4) = 4 [pid 1223] close(3) = 0 [pid 1223] memfd_create("syzkaller", 0) = 3 [pid 1223] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1223] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1223] munmap(0x7f26a8533000, 131072) = 0 [pid 1223] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1223] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1223] ioctl(4, LOOP_CLR_FD) = 0 [pid 1223] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1223] close(4) = 0 [pid 1223] close(3) = 0 [pid 1223] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1223] open("./file0", O_RDONLY) = 3 [pid 1223] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1223] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1223] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1223] exit_group(0) = ? [pid 1223] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1223, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1224 ./strace-static-x86_64: Process 1224 attached [pid 1224] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1224] setpgid(0, 0) = 0 [pid 1224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1224] write(3, "1000", 4) = 4 [pid 1224] close(3) = 0 [pid 1224] memfd_create("syzkaller", 0) = 3 [pid 1224] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1224] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1224] munmap(0x7f26a8533000, 131072) = 0 [pid 1224] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1224] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1224] ioctl(4, LOOP_CLR_FD) = 0 [pid 1224] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1224] close(4) = 0 [pid 1224] close(3) = 0 [pid 1224] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1224] open("./file0", O_RDONLY) = 3 [pid 1224] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1224] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1224] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1224] exit_group(0) = ? [pid 1224] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1224, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1225 ./strace-static-x86_64: Process 1225 attached [pid 1225] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1225] setpgid(0, 0) = 0 [pid 1225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1225] write(3, "1000", 4) = 4 [pid 1225] close(3) = 0 [pid 1225] memfd_create("syzkaller", 0) = 3 [pid 1225] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1225] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1225] munmap(0x7f26a8533000, 131072) = 0 [pid 1225] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1225] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1225] ioctl(4, LOOP_CLR_FD) = 0 [pid 1225] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1225] close(4) = 0 [pid 1225] close(3) = 0 [pid 1225] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1225] open("./file0", O_RDONLY) = 3 [pid 1225] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1225] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1225] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1225] exit_group(0) = ? [pid 1225] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1225, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1227 ./strace-static-x86_64: Process 1227 attached [pid 1227] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1227] setpgid(0, 0) = 0 [pid 1227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1227] write(3, "1000", 4) = 4 [pid 1227] close(3) = 0 [pid 1227] memfd_create("syzkaller", 0) = 3 [pid 1227] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1227] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1227] munmap(0x7f26a8533000, 131072) = 0 [pid 1227] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1227] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1227] ioctl(4, LOOP_CLR_FD) = 0 [pid 1227] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1227] close(4) = 0 [pid 1227] close(3) = 0 [pid 1227] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1227] open("./file0", O_RDONLY) = 3 [pid 1227] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1227] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1227] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1227] exit_group(0) = ? [pid 1227] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1227, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1228 ./strace-static-x86_64: Process 1228 attached [pid 1228] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1228] setpgid(0, 0) = 0 [pid 1228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1228] write(3, "1000", 4) = 4 [pid 1228] close(3) = 0 [pid 1228] memfd_create("syzkaller", 0) = 3 [pid 1228] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1228] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1228] munmap(0x7f26a8533000, 131072) = 0 [pid 1228] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1228] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1228] ioctl(4, LOOP_CLR_FD) = 0 [pid 1228] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1228] close(4) = 0 [pid 1228] close(3) = 0 [pid 1228] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1228] open("./file0", O_RDONLY) = 3 [pid 1228] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1228] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1228] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1228] exit_group(0) = ? [pid 1228] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1228, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1229 ./strace-static-x86_64: Process 1229 attached [pid 1229] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1229] setpgid(0, 0) = 0 [pid 1229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1229] write(3, "1000", 4) = 4 [pid 1229] close(3) = 0 [pid 1229] memfd_create("syzkaller", 0) = 3 [pid 1229] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1229] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1229] munmap(0x7f26a8533000, 131072) = 0 [pid 1229] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1229] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1229] ioctl(4, LOOP_CLR_FD) = 0 [pid 1229] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1229] close(4) = 0 [pid 1229] close(3) = 0 [pid 1229] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1229] open("./file0", O_RDONLY) = 3 [pid 1229] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1229] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1229] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1229] exit_group(0) = ? [pid 1229] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1229, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1230 ./strace-static-x86_64: Process 1230 attached [pid 1230] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1230] setpgid(0, 0) = 0 [pid 1230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1230] write(3, "1000", 4) = 4 [pid 1230] close(3) = 0 [pid 1230] memfd_create("syzkaller", 0) = 3 [pid 1230] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1230] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1230] munmap(0x7f26a8533000, 131072) = 0 [pid 1230] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1230] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1230] ioctl(4, LOOP_CLR_FD) = 0 [pid 1230] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1230] close(4) = 0 [pid 1230] close(3) = 0 [pid 1230] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1230] open("./file0", O_RDONLY) = 3 [pid 1230] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1230] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1230] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1230] exit_group(0) = ? [pid 1230] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1230, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1231 ./strace-static-x86_64: Process 1231 attached [pid 1231] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1231] setpgid(0, 0) = 0 [pid 1231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1231] write(3, "1000", 4) = 4 [pid 1231] close(3) = 0 [pid 1231] memfd_create("syzkaller", 0) = 3 [pid 1231] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1231] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1231] munmap(0x7f26a8533000, 131072) = 0 [pid 1231] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1231] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1231] ioctl(4, LOOP_CLR_FD) = 0 [pid 1231] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1231] close(4) = 0 [pid 1231] close(3) = 0 [pid 1231] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1231] open("./file0", O_RDONLY) = 3 [pid 1231] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1231] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1231] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1231] exit_group(0) = ? [pid 1231] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1231, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1232 ./strace-static-x86_64: Process 1232 attached [pid 1232] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1232] setpgid(0, 0) = 0 [pid 1232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1232] write(3, "1000", 4) = 4 [pid 1232] close(3) = 0 [pid 1232] memfd_create("syzkaller", 0) = 3 [pid 1232] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1232] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1232] munmap(0x7f26a8533000, 131072) = 0 [pid 1232] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1232] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1232] ioctl(4, LOOP_CLR_FD) = 0 [pid 1232] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1232] close(4) = 0 [pid 1232] close(3) = 0 [pid 1232] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1232] open("./file0", O_RDONLY) = 3 [pid 1232] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1232] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1232] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1232] exit_group(0) = ? [pid 1232] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1232, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1233 ./strace-static-x86_64: Process 1233 attached [pid 1233] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1233] setpgid(0, 0) = 0 [pid 1233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1233] write(3, "1000", 4) = 4 [pid 1233] close(3) = 0 [pid 1233] memfd_create("syzkaller", 0) = 3 [pid 1233] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1233] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1233] munmap(0x7f26a8533000, 131072) = 0 [pid 1233] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1233] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1233] ioctl(4, LOOP_CLR_FD) = 0 [pid 1233] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1233] close(4) = 0 [pid 1233] close(3) = 0 [pid 1233] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1233] open("./file0", O_RDONLY) = 3 [pid 1233] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1233] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1233] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1233] exit_group(0) = ? [pid 1233] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1233, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1234 ./strace-static-x86_64: Process 1234 attached [pid 1234] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1234] setpgid(0, 0) = 0 [pid 1234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1234] write(3, "1000", 4) = 4 [pid 1234] close(3) = 0 [pid 1234] memfd_create("syzkaller", 0) = 3 [pid 1234] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1234] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1234] munmap(0x7f26a8533000, 131072) = 0 [pid 1234] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1234] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1234] ioctl(4, LOOP_CLR_FD) = 0 [pid 1234] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1234] close(4) = 0 [pid 1234] close(3) = 0 [pid 1234] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1234] open("./file0", O_RDONLY) = 3 [pid 1234] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1234] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1234] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1234] exit_group(0) = ? [pid 1234] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1234, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1235 ./strace-static-x86_64: Process 1235 attached [pid 1235] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1235] setpgid(0, 0) = 0 [pid 1235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1235] write(3, "1000", 4) = 4 [pid 1235] close(3) = 0 [pid 1235] memfd_create("syzkaller", 0) = 3 [pid 1235] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1235] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1235] munmap(0x7f26a8533000, 131072) = 0 [pid 1235] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1235] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1235] ioctl(4, LOOP_CLR_FD) = 0 [pid 1235] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1235] close(4) = 0 [pid 1235] close(3) = 0 [pid 1235] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1235] open("./file0", O_RDONLY) = 3 [pid 1235] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1235] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1235] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1235] exit_group(0) = ? [pid 1235] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1235, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1236 ./strace-static-x86_64: Process 1236 attached [pid 1236] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1236] setpgid(0, 0) = 0 [pid 1236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1236] write(3, "1000", 4) = 4 [pid 1236] close(3) = 0 [pid 1236] memfd_create("syzkaller", 0) = 3 [pid 1236] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1236] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1236] munmap(0x7f26a8533000, 131072) = 0 [pid 1236] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1236] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1236] ioctl(4, LOOP_CLR_FD) = 0 [pid 1236] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1236] close(4) = 0 [pid 1236] close(3) = 0 [pid 1236] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1236] open("./file0", O_RDONLY) = 3 [pid 1236] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1236] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1236] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1236] exit_group(0) = ? [pid 1236] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1236, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1237 ./strace-static-x86_64: Process 1237 attached [pid 1237] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1237] setpgid(0, 0) = 0 [pid 1237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1237] write(3, "1000", 4) = 4 [pid 1237] close(3) = 0 [pid 1237] memfd_create("syzkaller", 0) = 3 [pid 1237] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1237] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1237] munmap(0x7f26a8533000, 131072) = 0 [pid 1237] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1237] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1237] ioctl(4, LOOP_CLR_FD) = 0 [pid 1237] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1237] close(4) = 0 [pid 1237] close(3) = 0 [pid 1237] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1237] open("./file0", O_RDONLY) = 3 [pid 1237] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1237] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1237] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1237] exit_group(0) = ? [pid 1237] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1237, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1238 ./strace-static-x86_64: Process 1238 attached [pid 1238] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1238] setpgid(0, 0) = 0 [pid 1238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1238] write(3, "1000", 4) = 4 [pid 1238] close(3) = 0 [pid 1238] memfd_create("syzkaller", 0) = 3 [pid 1238] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1238] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1238] munmap(0x7f26a8533000, 131072) = 0 [pid 1238] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1238] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1238] ioctl(4, LOOP_CLR_FD) = 0 [pid 1238] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1238] close(4) = 0 [pid 1238] close(3) = 0 [pid 1238] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1238] open("./file0", O_RDONLY) = 3 [pid 1238] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1238] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1238] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1238] exit_group(0) = ? [pid 1238] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1238, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1239 ./strace-static-x86_64: Process 1239 attached [pid 1239] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1239] setpgid(0, 0) = 0 [pid 1239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1239] write(3, "1000", 4) = 4 [pid 1239] close(3) = 0 [pid 1239] memfd_create("syzkaller", 0) = 3 [pid 1239] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1239] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1239] munmap(0x7f26a8533000, 131072) = 0 [pid 1239] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1239] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1239] ioctl(4, LOOP_CLR_FD) = 0 [pid 1239] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1239] close(4) = 0 [pid 1239] close(3) = 0 [pid 1239] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1239] open("./file0", O_RDONLY) = 3 [pid 1239] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1239] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1239] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1239] exit_group(0) = ? [pid 1239] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1239, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1240 attached , child_tidptr=0x555556e0f5d0) = 1240 [pid 1240] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1240] setpgid(0, 0) = 0 [pid 1240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1240] write(3, "1000", 4) = 4 [pid 1240] close(3) = 0 [pid 1240] memfd_create("syzkaller", 0) = 3 [pid 1240] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1240] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1240] munmap(0x7f26a8533000, 131072) = 0 [pid 1240] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1240] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1240] ioctl(4, LOOP_CLR_FD) = 0 [pid 1240] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1240] close(4) = 0 [pid 1240] close(3) = 0 [pid 1240] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1240] open("./file0", O_RDONLY) = 3 [pid 1240] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1240] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1240] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1240] exit_group(0) = ? [pid 1240] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1240, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1241 ./strace-static-x86_64: Process 1241 attached [pid 1241] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1241] setpgid(0, 0) = 0 [pid 1241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1241] write(3, "1000", 4) = 4 [pid 1241] close(3) = 0 [pid 1241] memfd_create("syzkaller", 0) = 3 [pid 1241] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1241] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1241] munmap(0x7f26a8533000, 131072) = 0 [pid 1241] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1241] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1241] ioctl(4, LOOP_CLR_FD) = 0 [pid 1241] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1241] close(4) = 0 [pid 1241] close(3) = 0 [pid 1241] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1241] open("./file0", O_RDONLY) = 3 [pid 1241] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1241] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1241] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1241] exit_group(0) = ? [pid 1241] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1241, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1242 ./strace-static-x86_64: Process 1242 attached [pid 1242] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1242] setpgid(0, 0) = 0 [pid 1242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1242] write(3, "1000", 4) = 4 [pid 1242] close(3) = 0 [pid 1242] memfd_create("syzkaller", 0) = 3 [pid 1242] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1242] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1242] munmap(0x7f26a8533000, 131072) = 0 [pid 1242] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1242] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1242] ioctl(4, LOOP_CLR_FD) = 0 [pid 1242] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1242] close(4) = 0 [pid 1242] close(3) = 0 [pid 1242] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1242] open("./file0", O_RDONLY) = 3 [pid 1242] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1242] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1242] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1242] exit_group(0) = ? [pid 1242] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1242, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1243 ./strace-static-x86_64: Process 1243 attached [pid 1243] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1243] setpgid(0, 0) = 0 [pid 1243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1243] write(3, "1000", 4) = 4 [pid 1243] close(3) = 0 [pid 1243] memfd_create("syzkaller", 0) = 3 [pid 1243] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1243] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1243] munmap(0x7f26a8533000, 131072) = 0 [pid 1243] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1243] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1243] ioctl(4, LOOP_CLR_FD) = 0 [pid 1243] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1243] close(4) = 0 [pid 1243] close(3) = 0 [pid 1243] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1243] open("./file0", O_RDONLY) = 3 [pid 1243] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1243] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1243] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1243] exit_group(0) = ? [pid 1243] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1243, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1244 ./strace-static-x86_64: Process 1244 attached [pid 1244] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1244] setpgid(0, 0) = 0 [pid 1244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1244] write(3, "1000", 4) = 4 [pid 1244] close(3) = 0 [pid 1244] memfd_create("syzkaller", 0) = 3 [pid 1244] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1244] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1244] munmap(0x7f26a8533000, 131072) = 0 [pid 1244] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1244] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1244] ioctl(4, LOOP_CLR_FD) = 0 [pid 1244] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1244] close(4) = 0 [pid 1244] close(3) = 0 [pid 1244] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1244] open("./file0", O_RDONLY) = 3 [pid 1244] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1244] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1244] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1244] exit_group(0) = ? [pid 1244] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1244, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1245 ./strace-static-x86_64: Process 1245 attached [pid 1245] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1245] setpgid(0, 0) = 0 [pid 1245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1245] write(3, "1000", 4) = 4 [pid 1245] close(3) = 0 [pid 1245] memfd_create("syzkaller", 0) = 3 [pid 1245] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1245] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1245] munmap(0x7f26a8533000, 131072) = 0 [pid 1245] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1245] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1245] ioctl(4, LOOP_CLR_FD) = 0 [pid 1245] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1245] close(4) = 0 [pid 1245] close(3) = 0 [pid 1245] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1245] open("./file0", O_RDONLY) = 3 [pid 1245] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1245] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1245] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1245] exit_group(0) = ? [pid 1245] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1245, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1246 ./strace-static-x86_64: Process 1246 attached [pid 1246] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1246] setpgid(0, 0) = 0 [pid 1246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1246] write(3, "1000", 4) = 4 [pid 1246] close(3) = 0 [pid 1246] memfd_create("syzkaller", 0) = 3 [pid 1246] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1246] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1246] munmap(0x7f26a8533000, 131072) = 0 [pid 1246] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1246] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1246] ioctl(4, LOOP_CLR_FD) = 0 [pid 1246] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1246] close(4) = 0 [pid 1246] close(3) = 0 [pid 1246] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1246] open("./file0", O_RDONLY) = 3 [pid 1246] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1246] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1246] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1246] exit_group(0) = ? [pid 1246] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1246, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1247 ./strace-static-x86_64: Process 1247 attached [pid 1247] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1247] setpgid(0, 0) = 0 [pid 1247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1247] write(3, "1000", 4) = 4 [pid 1247] close(3) = 0 [pid 1247] memfd_create("syzkaller", 0) = 3 [pid 1247] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1247] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1247] munmap(0x7f26a8533000, 131072) = 0 [pid 1247] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1247] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1247] ioctl(4, LOOP_CLR_FD) = 0 [pid 1247] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1247] close(4) = 0 [pid 1247] close(3) = 0 [pid 1247] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1247] open("./file0", O_RDONLY) = 3 [pid 1247] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1247] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1247] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1247] exit_group(0) = ? [pid 1247] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1247, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1248 ./strace-static-x86_64: Process 1248 attached [pid 1248] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1248] setpgid(0, 0) = 0 [pid 1248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1248] write(3, "1000", 4) = 4 [pid 1248] close(3) = 0 [pid 1248] memfd_create("syzkaller", 0) = 3 [pid 1248] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1248] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1248] munmap(0x7f26a8533000, 131072) = 0 [pid 1248] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1248] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1248] ioctl(4, LOOP_CLR_FD) = 0 [pid 1248] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1248] close(4) = 0 [pid 1248] close(3) = 0 [pid 1248] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1248] open("./file0", O_RDONLY) = 3 [pid 1248] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1248] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1248] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1248] exit_group(0) = ? [pid 1248] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1248, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1249 ./strace-static-x86_64: Process 1249 attached [pid 1249] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1249] setpgid(0, 0) = 0 [pid 1249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1249] write(3, "1000", 4) = 4 [pid 1249] close(3) = 0 [pid 1249] memfd_create("syzkaller", 0) = 3 [pid 1249] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1249] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1249] munmap(0x7f26a8533000, 131072) = 0 [pid 1249] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1249] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1249] ioctl(4, LOOP_CLR_FD) = 0 [pid 1249] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1249] close(4) = 0 [pid 1249] close(3) = 0 [pid 1249] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1249] open("./file0", O_RDONLY) = 3 [pid 1249] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1249] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1249] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1249] exit_group(0) = ? [pid 1249] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1249, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1250 ./strace-static-x86_64: Process 1250 attached [pid 1250] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1250] setpgid(0, 0) = 0 [pid 1250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1250] write(3, "1000", 4) = 4 [pid 1250] close(3) = 0 [pid 1250] memfd_create("syzkaller", 0) = 3 [pid 1250] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1250] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1250] munmap(0x7f26a8533000, 131072) = 0 [pid 1250] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1250] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1250] ioctl(4, LOOP_CLR_FD) = 0 [pid 1250] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1250] close(4) = 0 [pid 1250] close(3) = 0 [pid 1250] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1250] open("./file0", O_RDONLY) = 3 [pid 1250] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1250] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1250] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1250] exit_group(0) = ? [pid 1250] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1250, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1251 attached , child_tidptr=0x555556e0f5d0) = 1251 [pid 1251] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1251] setpgid(0, 0) = 0 [pid 1251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1251] write(3, "1000", 4) = 4 [pid 1251] close(3) = 0 [pid 1251] memfd_create("syzkaller", 0) = 3 [pid 1251] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1251] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1251] munmap(0x7f26a8533000, 131072) = 0 [pid 1251] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1251] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1251] ioctl(4, LOOP_CLR_FD) = 0 [pid 1251] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1251] close(4) = 0 [pid 1251] close(3) = 0 [pid 1251] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1251] open("./file0", O_RDONLY) = 3 [pid 1251] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1251] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1251] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1251] exit_group(0) = ? [pid 1251] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1251, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1252 ./strace-static-x86_64: Process 1252 attached [pid 1252] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1252] setpgid(0, 0) = 0 [pid 1252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1252] write(3, "1000", 4) = 4 [pid 1252] close(3) = 0 [pid 1252] memfd_create("syzkaller", 0) = 3 [pid 1252] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1252] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1252] munmap(0x7f26a8533000, 131072) = 0 [pid 1252] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1252] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1252] ioctl(4, LOOP_CLR_FD) = 0 [pid 1252] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1252] close(4) = 0 [pid 1252] close(3) = 0 [pid 1252] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1252] open("./file0", O_RDONLY) = 3 [pid 1252] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1252] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1252] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1252] exit_group(0) = ? [pid 1252] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1252, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1253 ./strace-static-x86_64: Process 1253 attached [pid 1253] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1253] setpgid(0, 0) = 0 [pid 1253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1253] write(3, "1000", 4) = 4 [pid 1253] close(3) = 0 [pid 1253] memfd_create("syzkaller", 0) = 3 [pid 1253] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1253] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1253] munmap(0x7f26a8533000, 131072) = 0 [pid 1253] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1253] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1253] ioctl(4, LOOP_CLR_FD) = 0 [pid 1253] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1253] close(4) = 0 [pid 1253] close(3) = 0 [pid 1253] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1253] open("./file0", O_RDONLY) = 3 [pid 1253] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1253] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1253] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1253] exit_group(0) = ? [pid 1253] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1253, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1254 ./strace-static-x86_64: Process 1254 attached [pid 1254] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1254] setpgid(0, 0) = 0 [pid 1254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1254] write(3, "1000", 4) = 4 [pid 1254] close(3) = 0 [pid 1254] memfd_create("syzkaller", 0) = 3 [pid 1254] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1254] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1254] munmap(0x7f26a8533000, 131072) = 0 [pid 1254] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1254] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1254] ioctl(4, LOOP_CLR_FD) = 0 [pid 1254] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1254] close(4) = 0 [pid 1254] close(3) = 0 [pid 1254] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1254] open("./file0", O_RDONLY) = 3 [pid 1254] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1254] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1254] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1254] exit_group(0) = ? [pid 1254] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1254, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1255 ./strace-static-x86_64: Process 1255 attached [pid 1255] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1255] setpgid(0, 0) = 0 [pid 1255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1255] write(3, "1000", 4) = 4 [pid 1255] close(3) = 0 [pid 1255] memfd_create("syzkaller", 0) = 3 [pid 1255] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1255] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1255] munmap(0x7f26a8533000, 131072) = 0 [pid 1255] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1255] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1255] ioctl(4, LOOP_CLR_FD) = 0 [pid 1255] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1255] close(4) = 0 [pid 1255] close(3) = 0 [pid 1255] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1255] open("./file0", O_RDONLY) = 3 [pid 1255] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1255] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1255] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1255] exit_group(0) = ? [pid 1255] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1255, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1256 ./strace-static-x86_64: Process 1256 attached [pid 1256] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1256] setpgid(0, 0) = 0 [pid 1256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1256] write(3, "1000", 4) = 4 [pid 1256] close(3) = 0 [pid 1256] memfd_create("syzkaller", 0) = 3 [pid 1256] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1256] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1256] munmap(0x7f26a8533000, 131072) = 0 [pid 1256] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1256] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1256] ioctl(4, LOOP_CLR_FD) = 0 [pid 1256] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1256] close(4) = 0 [pid 1256] close(3) = 0 [pid 1256] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1256] open("./file0", O_RDONLY) = 3 [pid 1256] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1256] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1256] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1256] exit_group(0) = ? [pid 1256] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1256, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1257 ./strace-static-x86_64: Process 1257 attached [pid 1257] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1257] setpgid(0, 0) = 0 [pid 1257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1257] write(3, "1000", 4) = 4 [pid 1257] close(3) = 0 [pid 1257] memfd_create("syzkaller", 0) = 3 [pid 1257] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1257] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1257] munmap(0x7f26a8533000, 131072) = 0 [pid 1257] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1257] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1257] ioctl(4, LOOP_CLR_FD) = 0 [pid 1257] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1257] close(4) = 0 [pid 1257] close(3) = 0 [pid 1257] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1257] open("./file0", O_RDONLY) = 3 [pid 1257] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1257] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1257] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1257] exit_group(0) = ? [pid 1257] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1257, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1258 ./strace-static-x86_64: Process 1258 attached [pid 1258] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1258] setpgid(0, 0) = 0 [pid 1258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1258] write(3, "1000", 4) = 4 [pid 1258] close(3) = 0 [pid 1258] memfd_create("syzkaller", 0) = 3 [pid 1258] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1258] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1258] munmap(0x7f26a8533000, 131072) = 0 [pid 1258] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1258] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1258] ioctl(4, LOOP_CLR_FD) = 0 [pid 1258] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1258] close(4) = 0 [pid 1258] close(3) = 0 [pid 1258] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1258] open("./file0", O_RDONLY) = 3 [pid 1258] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1258] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1258] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1258] exit_group(0) = ? [pid 1258] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1258, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1259 ./strace-static-x86_64: Process 1259 attached [pid 1259] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1259] setpgid(0, 0) = 0 [pid 1259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1259] write(3, "1000", 4) = 4 [pid 1259] close(3) = 0 [pid 1259] memfd_create("syzkaller", 0) = 3 [pid 1259] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1259] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1259] munmap(0x7f26a8533000, 131072) = 0 [pid 1259] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1259] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1259] ioctl(4, LOOP_CLR_FD) = 0 [pid 1259] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1259] close(4) = 0 [pid 1259] close(3) = 0 [pid 1259] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1259] open("./file0", O_RDONLY) = 3 [pid 1259] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1259] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1259] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1259] exit_group(0) = ? [pid 1259] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1259, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1260 attached , child_tidptr=0x555556e0f5d0) = 1260 [pid 1260] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1260] setpgid(0, 0) = 0 [pid 1260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1260] write(3, "1000", 4) = 4 [pid 1260] close(3) = 0 [pid 1260] memfd_create("syzkaller", 0) = 3 [pid 1260] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1260] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1260] munmap(0x7f26a8533000, 131072) = 0 [pid 1260] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1260] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1260] ioctl(4, LOOP_CLR_FD) = 0 [pid 1260] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1260] close(4) = 0 [pid 1260] close(3) = 0 [pid 1260] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1260] open("./file0", O_RDONLY) = 3 [pid 1260] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1260] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1260] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1260] exit_group(0) = ? [pid 1260] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1260, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1261 ./strace-static-x86_64: Process 1261 attached [pid 1261] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1261] setpgid(0, 0) = 0 [pid 1261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1261] write(3, "1000", 4) = 4 [pid 1261] close(3) = 0 [pid 1261] memfd_create("syzkaller", 0) = 3 [pid 1261] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1261] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1261] munmap(0x7f26a8533000, 131072) = 0 [pid 1261] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1261] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1261] ioctl(4, LOOP_CLR_FD) = 0 [pid 1261] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1261] close(4) = 0 [pid 1261] close(3) = 0 [pid 1261] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1261] open("./file0", O_RDONLY) = 3 [pid 1261] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1261] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1261] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1261] exit_group(0) = ? [pid 1261] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1261, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1262 ./strace-static-x86_64: Process 1262 attached [pid 1262] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1262] setpgid(0, 0) = 0 [pid 1262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1262] write(3, "1000", 4) = 4 [pid 1262] close(3) = 0 [pid 1262] memfd_create("syzkaller", 0) = 3 [pid 1262] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1262] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1262] munmap(0x7f26a8533000, 131072) = 0 [pid 1262] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1262] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1262] ioctl(4, LOOP_CLR_FD) = 0 [pid 1262] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1262] close(4) = 0 [pid 1262] close(3) = 0 [pid 1262] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1262] open("./file0", O_RDONLY) = 3 [pid 1262] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1262] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1262] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1262] exit_group(0) = ? [pid 1262] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1262, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1263 ./strace-static-x86_64: Process 1263 attached [pid 1263] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1263] setpgid(0, 0) = 0 [pid 1263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1263] write(3, "1000", 4) = 4 [pid 1263] close(3) = 0 [pid 1263] memfd_create("syzkaller", 0) = 3 [pid 1263] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1263] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1263] munmap(0x7f26a8533000, 131072) = 0 [pid 1263] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1263] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1263] ioctl(4, LOOP_CLR_FD) = 0 [pid 1263] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1263] close(4) = 0 [pid 1263] close(3) = 0 [pid 1263] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1263] open("./file0", O_RDONLY) = 3 [pid 1263] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1263] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1263] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1263] exit_group(0) = ? [pid 1263] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1263, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1264 ./strace-static-x86_64: Process 1264 attached [pid 1264] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1264] setpgid(0, 0) = 0 [pid 1264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1264] write(3, "1000", 4) = 4 [pid 1264] close(3) = 0 [pid 1264] memfd_create("syzkaller", 0) = 3 [pid 1264] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1264] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1264] munmap(0x7f26a8533000, 131072) = 0 [pid 1264] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1264] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1264] ioctl(4, LOOP_CLR_FD) = 0 [pid 1264] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1264] close(4) = 0 [pid 1264] close(3) = 0 [pid 1264] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1264] open("./file0", O_RDONLY) = 3 [pid 1264] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1264] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1264] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1264] exit_group(0) = ? [pid 1264] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1264, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1265 ./strace-static-x86_64: Process 1265 attached [pid 1265] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1265] setpgid(0, 0) = 0 [pid 1265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1265] write(3, "1000", 4) = 4 [pid 1265] close(3) = 0 [pid 1265] memfd_create("syzkaller", 0) = 3 [pid 1265] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1265] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1265] munmap(0x7f26a8533000, 131072) = 0 [pid 1265] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1265] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1265] ioctl(4, LOOP_CLR_FD) = 0 [pid 1265] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1265] close(4) = 0 [pid 1265] close(3) = 0 [pid 1265] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1265] open("./file0", O_RDONLY) = 3 [pid 1265] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1265] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1265] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1265] exit_group(0) = ? [pid 1265] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1265, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1266 ./strace-static-x86_64: Process 1266 attached [pid 1266] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1266] setpgid(0, 0) = 0 [pid 1266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1266] write(3, "1000", 4) = 4 [pid 1266] close(3) = 0 [pid 1266] memfd_create("syzkaller", 0) = 3 [pid 1266] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1266] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1266] munmap(0x7f26a8533000, 131072) = 0 [pid 1266] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1266] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1266] ioctl(4, LOOP_CLR_FD) = 0 [pid 1266] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1266] close(4) = 0 [pid 1266] close(3) = 0 [pid 1266] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1266] open("./file0", O_RDONLY) = 3 [pid 1266] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1266] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1266] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1266] exit_group(0) = ? [pid 1266] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1266, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1267 ./strace-static-x86_64: Process 1267 attached [pid 1267] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1267] setpgid(0, 0) = 0 [pid 1267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1267] write(3, "1000", 4) = 4 [pid 1267] close(3) = 0 [pid 1267] memfd_create("syzkaller", 0) = 3 [pid 1267] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1267] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1267] munmap(0x7f26a8533000, 131072) = 0 [pid 1267] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1267] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1267] ioctl(4, LOOP_CLR_FD) = 0 [pid 1267] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1267] close(4) = 0 [pid 1267] close(3) = 0 [pid 1267] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1267] open("./file0", O_RDONLY) = 3 [pid 1267] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1267] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1267] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1267] exit_group(0) = ? [pid 1267] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1267, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1268 ./strace-static-x86_64: Process 1268 attached [pid 1268] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1268] setpgid(0, 0) = 0 [pid 1268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1268] write(3, "1000", 4) = 4 [pid 1268] close(3) = 0 [pid 1268] memfd_create("syzkaller", 0) = 3 [pid 1268] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1268] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1268] munmap(0x7f26a8533000, 131072) = 0 [pid 1268] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1268] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1268] ioctl(4, LOOP_CLR_FD) = 0 [pid 1268] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1268] close(4) = 0 [pid 1268] close(3) = 0 [pid 1268] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1268] open("./file0", O_RDONLY) = 3 [pid 1268] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1268] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1268] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1268] exit_group(0) = ? [pid 1268] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1268, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1269 ./strace-static-x86_64: Process 1269 attached [pid 1269] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1269] setpgid(0, 0) = 0 [pid 1269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1269] write(3, "1000", 4) = 4 [pid 1269] close(3) = 0 [pid 1269] memfd_create("syzkaller", 0) = 3 [pid 1269] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1269] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1269] munmap(0x7f26a8533000, 131072) = 0 [pid 1269] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1269] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1269] ioctl(4, LOOP_CLR_FD) = 0 [pid 1269] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1269] close(4) = 0 [pid 1269] close(3) = 0 [pid 1269] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1269] open("./file0", O_RDONLY) = 3 [pid 1269] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1269] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1269] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1269] exit_group(0) = ? [pid 1269] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1269, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1270 ./strace-static-x86_64: Process 1270 attached [pid 1270] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1270] setpgid(0, 0) = 0 [pid 1270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1270] write(3, "1000", 4) = 4 [pid 1270] close(3) = 0 [pid 1270] memfd_create("syzkaller", 0) = 3 [pid 1270] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1270] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1270] munmap(0x7f26a8533000, 131072) = 0 [pid 1270] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1270] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1270] ioctl(4, LOOP_CLR_FD) = 0 [pid 1270] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1270] close(4) = 0 [pid 1270] close(3) = 0 [pid 1270] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1270] open("./file0", O_RDONLY) = 3 [pid 1270] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1270] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1270] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1270] exit_group(0) = ? [pid 1270] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1270, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1271 ./strace-static-x86_64: Process 1271 attached [pid 1271] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1271] setpgid(0, 0) = 0 [pid 1271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1271] write(3, "1000", 4) = 4 [pid 1271] close(3) = 0 [pid 1271] memfd_create("syzkaller", 0) = 3 [pid 1271] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1271] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1271] munmap(0x7f26a8533000, 131072) = 0 [pid 1271] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1271] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1271] ioctl(4, LOOP_CLR_FD) = 0 [pid 1271] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1271] close(4) = 0 [pid 1271] close(3) = 0 [pid 1271] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1271] open("./file0", O_RDONLY) = 3 [pid 1271] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1271] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1271] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1271] exit_group(0) = ? [pid 1271] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1271, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1272 ./strace-static-x86_64: Process 1272 attached [pid 1272] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1272] setpgid(0, 0) = 0 [pid 1272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1272] write(3, "1000", 4) = 4 [pid 1272] close(3) = 0 [pid 1272] memfd_create("syzkaller", 0) = 3 [pid 1272] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1272] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1272] munmap(0x7f26a8533000, 131072) = 0 [pid 1272] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1272] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1272] ioctl(4, LOOP_CLR_FD) = 0 [pid 1272] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1272] close(4) = 0 [pid 1272] close(3) = 0 [pid 1272] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1272] open("./file0", O_RDONLY) = 3 [pid 1272] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1272] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1272] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1272] exit_group(0) = ? [pid 1272] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1272, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1273 ./strace-static-x86_64: Process 1273 attached [pid 1273] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1273] setpgid(0, 0) = 0 [pid 1273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1273] write(3, "1000", 4) = 4 [pid 1273] close(3) = 0 [pid 1273] memfd_create("syzkaller", 0) = 3 [pid 1273] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1273] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1273] munmap(0x7f26a8533000, 131072) = 0 [pid 1273] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1273] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1273] ioctl(4, LOOP_CLR_FD) = 0 [pid 1273] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1273] close(4) = 0 [pid 1273] close(3) = 0 [pid 1273] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1273] open("./file0", O_RDONLY) = 3 [pid 1273] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1273] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1273] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1273] exit_group(0) = ? [pid 1273] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1273, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1274 ./strace-static-x86_64: Process 1274 attached [pid 1274] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1274] setpgid(0, 0) = 0 [pid 1274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1274] write(3, "1000", 4) = 4 [pid 1274] close(3) = 0 [pid 1274] memfd_create("syzkaller", 0) = 3 [pid 1274] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1274] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1274] munmap(0x7f26a8533000, 131072) = 0 [pid 1274] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1274] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1274] ioctl(4, LOOP_CLR_FD) = 0 [pid 1274] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1274] close(4) = 0 [pid 1274] close(3) = 0 [pid 1274] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1274] open("./file0", O_RDONLY) = 3 [pid 1274] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1274] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1274] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1274] exit_group(0) = ? [pid 1274] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1274, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1275 ./strace-static-x86_64: Process 1275 attached [pid 1275] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1275] setpgid(0, 0) = 0 [pid 1275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1275] write(3, "1000", 4) = 4 [pid 1275] close(3) = 0 [pid 1275] memfd_create("syzkaller", 0) = 3 [pid 1275] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1275] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1275] munmap(0x7f26a8533000, 131072) = 0 [pid 1275] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1275] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1275] ioctl(4, LOOP_CLR_FD) = 0 [pid 1275] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1275] close(4) = 0 [pid 1275] close(3) = 0 [pid 1275] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1275] open("./file0", O_RDONLY) = 3 [pid 1275] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1275] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1275] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1275] exit_group(0) = ? [pid 1275] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1275, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1276 ./strace-static-x86_64: Process 1276 attached [pid 1276] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1276] setpgid(0, 0) = 0 [pid 1276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1276] write(3, "1000", 4) = 4 [pid 1276] close(3) = 0 [pid 1276] memfd_create("syzkaller", 0) = 3 [pid 1276] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1276] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1276] munmap(0x7f26a8533000, 131072) = 0 [pid 1276] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1276] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1276] ioctl(4, LOOP_CLR_FD) = 0 [pid 1276] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1276] close(4) = 0 [pid 1276] close(3) = 0 [pid 1276] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1276] open("./file0", O_RDONLY) = 3 [pid 1276] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1276] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1276] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1276] exit_group(0) = ? [pid 1276] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1276, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1277 ./strace-static-x86_64: Process 1277 attached [pid 1277] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1277] setpgid(0, 0) = 0 [pid 1277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1277] write(3, "1000", 4) = 4 [pid 1277] close(3) = 0 [pid 1277] memfd_create("syzkaller", 0) = 3 [pid 1277] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1277] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1277] munmap(0x7f26a8533000, 131072) = 0 [pid 1277] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1277] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1277] ioctl(4, LOOP_CLR_FD) = 0 [pid 1277] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1277] close(4) = 0 [pid 1277] close(3) = 0 [pid 1277] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1277] open("./file0", O_RDONLY) = 3 [pid 1277] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1277] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1277] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1277] exit_group(0) = ? [pid 1277] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1277, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1278 ./strace-static-x86_64: Process 1278 attached [pid 1278] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1278] setpgid(0, 0) = 0 [pid 1278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1278] write(3, "1000", 4) = 4 [pid 1278] close(3) = 0 [pid 1278] memfd_create("syzkaller", 0) = 3 [pid 1278] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1278] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1278] munmap(0x7f26a8533000, 131072) = 0 [pid 1278] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1278] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1278] ioctl(4, LOOP_CLR_FD) = 0 [pid 1278] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1278] close(4) = 0 [pid 1278] close(3) = 0 [pid 1278] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1278] open("./file0", O_RDONLY) = 3 [pid 1278] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1278] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1278] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1278] exit_group(0) = ? [pid 1278] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1278, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1279 ./strace-static-x86_64: Process 1279 attached [pid 1279] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1279] setpgid(0, 0) = 0 [pid 1279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1279] write(3, "1000", 4) = 4 [pid 1279] close(3) = 0 [pid 1279] memfd_create("syzkaller", 0) = 3 [pid 1279] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1279] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1279] munmap(0x7f26a8533000, 131072) = 0 [pid 1279] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1279] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1279] ioctl(4, LOOP_CLR_FD) = 0 [pid 1279] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1279] close(4) = 0 [pid 1279] close(3) = 0 [pid 1279] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1279] open("./file0", O_RDONLY) = 3 [pid 1279] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1279] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1279] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1279] exit_group(0) = ? [pid 1279] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1279, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1280 ./strace-static-x86_64: Process 1280 attached [pid 1280] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1280] setpgid(0, 0) = 0 [pid 1280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1280] write(3, "1000", 4) = 4 [pid 1280] close(3) = 0 [pid 1280] memfd_create("syzkaller", 0) = 3 [pid 1280] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1280] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1280] munmap(0x7f26a8533000, 131072) = 0 [pid 1280] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1280] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1280] ioctl(4, LOOP_CLR_FD) = 0 [pid 1280] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1280] close(4) = 0 [pid 1280] close(3) = 0 [pid 1280] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1280] open("./file0", O_RDONLY) = 3 [pid 1280] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1280] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1280] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1280] exit_group(0) = ? [pid 1280] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1280, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1281 ./strace-static-x86_64: Process 1281 attached [pid 1281] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1281] setpgid(0, 0) = 0 [pid 1281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1281] write(3, "1000", 4) = 4 [pid 1281] close(3) = 0 [pid 1281] memfd_create("syzkaller", 0) = 3 [pid 1281] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1281] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1281] munmap(0x7f26a8533000, 131072) = 0 [pid 1281] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1281] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1281] ioctl(4, LOOP_CLR_FD) = 0 [pid 1281] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1281] close(4) = 0 [pid 1281] close(3) = 0 [pid 1281] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1281] open("./file0", O_RDONLY) = 3 [pid 1281] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1281] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1281] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1281] exit_group(0) = ? [pid 1281] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1281, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1282 ./strace-static-x86_64: Process 1282 attached [pid 1282] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1282] setpgid(0, 0) = 0 [pid 1282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1282] write(3, "1000", 4) = 4 [pid 1282] close(3) = 0 [pid 1282] memfd_create("syzkaller", 0) = 3 [pid 1282] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1282] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1282] munmap(0x7f26a8533000, 131072) = 0 [pid 1282] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1282] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1282] ioctl(4, LOOP_CLR_FD) = 0 [pid 1282] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1282] close(4) = 0 [pid 1282] close(3) = 0 [pid 1282] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1282] open("./file0", O_RDONLY) = 3 [pid 1282] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1282] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1282] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1282] exit_group(0) = ? [pid 1282] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1282, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1283 attached , child_tidptr=0x555556e0f5d0) = 1283 [pid 1283] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1283] setpgid(0, 0) = 0 [pid 1283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1283] write(3, "1000", 4) = 4 [pid 1283] close(3) = 0 [pid 1283] memfd_create("syzkaller", 0) = 3 [pid 1283] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1283] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1283] munmap(0x7f26a8533000, 131072) = 0 [pid 1283] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1283] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1283] ioctl(4, LOOP_CLR_FD) = 0 [pid 1283] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1283] close(4) = 0 [pid 1283] close(3) = 0 [pid 1283] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1283] open("./file0", O_RDONLY) = 3 [pid 1283] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1283] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1283] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1283] exit_group(0) = ? [pid 1283] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1283, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1284 ./strace-static-x86_64: Process 1284 attached [pid 1284] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1284] setpgid(0, 0) = 0 [pid 1284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1284] write(3, "1000", 4) = 4 [pid 1284] close(3) = 0 [pid 1284] memfd_create("syzkaller", 0) = 3 [pid 1284] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1284] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1284] munmap(0x7f26a8533000, 131072) = 0 [pid 1284] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1284] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1284] ioctl(4, LOOP_CLR_FD) = 0 [pid 1284] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1284] close(4) = 0 [pid 1284] close(3) = 0 [pid 1284] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1284] open("./file0", O_RDONLY) = 3 [pid 1284] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1284] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1284] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1284] exit_group(0) = ? [pid 1284] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1284, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1285 attached , child_tidptr=0x555556e0f5d0) = 1285 [pid 1285] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1285] setpgid(0, 0) = 0 [pid 1285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1285] write(3, "1000", 4) = 4 [pid 1285] close(3) = 0 [pid 1285] memfd_create("syzkaller", 0) = 3 [pid 1285] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1285] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1285] munmap(0x7f26a8533000, 131072) = 0 [pid 1285] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1285] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1285] ioctl(4, LOOP_CLR_FD) = 0 [pid 1285] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1285] close(4) = 0 [pid 1285] close(3) = 0 [pid 1285] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1285] open("./file0", O_RDONLY) = 3 [pid 1285] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1285] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1285] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1285] exit_group(0) = ? [pid 1285] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1285, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1286 ./strace-static-x86_64: Process 1286 attached [pid 1286] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1286] setpgid(0, 0) = 0 [pid 1286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1286] write(3, "1000", 4) = 4 [pid 1286] close(3) = 0 [pid 1286] memfd_create("syzkaller", 0) = 3 [pid 1286] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1286] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1286] munmap(0x7f26a8533000, 131072) = 0 [pid 1286] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1286] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1286] ioctl(4, LOOP_CLR_FD) = 0 [pid 1286] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1286] close(4) = 0 [pid 1286] close(3) = 0 [pid 1286] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1286] open("./file0", O_RDONLY) = 3 [pid 1286] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1286] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1286] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1286] exit_group(0) = ? [pid 1286] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1286, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1287 ./strace-static-x86_64: Process 1287 attached [pid 1287] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1287] setpgid(0, 0) = 0 [pid 1287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1287] write(3, "1000", 4) = 4 [pid 1287] close(3) = 0 [pid 1287] memfd_create("syzkaller", 0) = 3 [pid 1287] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1287] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1287] munmap(0x7f26a8533000, 131072) = 0 [pid 1287] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1287] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1287] ioctl(4, LOOP_CLR_FD) = 0 [pid 1287] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1287] close(4) = 0 [pid 1287] close(3) = 0 [pid 1287] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1287] open("./file0", O_RDONLY) = 3 [pid 1287] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1287] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1287] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1287] exit_group(0) = ? [pid 1287] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1287, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1288 ./strace-static-x86_64: Process 1288 attached [pid 1288] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1288] setpgid(0, 0) = 0 [pid 1288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1288] write(3, "1000", 4) = 4 [pid 1288] close(3) = 0 [pid 1288] memfd_create("syzkaller", 0) = 3 [pid 1288] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1288] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1288] munmap(0x7f26a8533000, 131072) = 0 [pid 1288] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1288] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1288] ioctl(4, LOOP_CLR_FD) = 0 [pid 1288] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1288] close(4) = 0 [pid 1288] close(3) = 0 [pid 1288] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1288] open("./file0", O_RDONLY) = 3 [pid 1288] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1288] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1288] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1288] exit_group(0) = ? [pid 1288] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1288, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1289 ./strace-static-x86_64: Process 1289 attached [pid 1289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1289] setpgid(0, 0) = 0 [pid 1289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1289] write(3, "1000", 4) = 4 [pid 1289] close(3) = 0 [pid 1289] memfd_create("syzkaller", 0) = 3 [pid 1289] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1289] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1289] munmap(0x7f26a8533000, 131072) = 0 [pid 1289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1289] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1289] ioctl(4, LOOP_CLR_FD) = 0 [pid 1289] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1289] close(4) = 0 [pid 1289] close(3) = 0 [pid 1289] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1289] open("./file0", O_RDONLY) = 3 [pid 1289] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1289] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1289] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1289] exit_group(0) = ? [pid 1289] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1289, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1290 ./strace-static-x86_64: Process 1290 attached [pid 1290] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1290] setpgid(0, 0) = 0 [pid 1290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1290] write(3, "1000", 4) = 4 [pid 1290] close(3) = 0 [pid 1290] memfd_create("syzkaller", 0) = 3 [pid 1290] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1290] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1290] munmap(0x7f26a8533000, 131072) = 0 [pid 1290] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1290] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1290] ioctl(4, LOOP_CLR_FD) = 0 [pid 1290] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1290] close(4) = 0 [pid 1290] close(3) = 0 [pid 1290] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1290] open("./file0", O_RDONLY) = 3 [pid 1290] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1290] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1290] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1290] exit_group(0) = ? [pid 1290] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1290, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1291 ./strace-static-x86_64: Process 1291 attached [pid 1291] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1291] setpgid(0, 0) = 0 [pid 1291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1291] write(3, "1000", 4) = 4 [pid 1291] close(3) = 0 [pid 1291] memfd_create("syzkaller", 0) = 3 [pid 1291] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1291] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1291] munmap(0x7f26a8533000, 131072) = 0 [pid 1291] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1291] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1291] ioctl(4, LOOP_CLR_FD) = 0 [pid 1291] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1291] close(4) = 0 [pid 1291] close(3) = 0 [pid 1291] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1291] open("./file0", O_RDONLY) = 3 [pid 1291] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1291] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1291] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1291] exit_group(0) = ? [pid 1291] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1291, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1292 ./strace-static-x86_64: Process 1292 attached [pid 1292] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1292] setpgid(0, 0) = 0 [pid 1292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1292] write(3, "1000", 4) = 4 [pid 1292] close(3) = 0 [pid 1292] memfd_create("syzkaller", 0) = 3 [pid 1292] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1292] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1292] munmap(0x7f26a8533000, 131072) = 0 [pid 1292] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1292] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1292] ioctl(4, LOOP_CLR_FD) = 0 [pid 1292] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1292] close(4) = 0 [pid 1292] close(3) = 0 [pid 1292] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1292] open("./file0", O_RDONLY) = 3 [pid 1292] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1292] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1292] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1292] exit_group(0) = ? [pid 1292] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1292, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1293 ./strace-static-x86_64: Process 1293 attached [pid 1293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1293] setpgid(0, 0) = 0 [pid 1293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1293] write(3, "1000", 4) = 4 [pid 1293] close(3) = 0 [pid 1293] memfd_create("syzkaller", 0) = 3 [pid 1293] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1293] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1293] munmap(0x7f26a8533000, 131072) = 0 [pid 1293] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1293] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1293] ioctl(4, LOOP_CLR_FD) = 0 [pid 1293] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1293] close(4) = 0 [pid 1293] close(3) = 0 [pid 1293] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1293] open("./file0", O_RDONLY) = 3 [pid 1293] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1293] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1293] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1293] exit_group(0) = ? [pid 1293] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1293, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1294 ./strace-static-x86_64: Process 1294 attached [pid 1294] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1294] setpgid(0, 0) = 0 [pid 1294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1294] write(3, "1000", 4) = 4 [pid 1294] close(3) = 0 [pid 1294] memfd_create("syzkaller", 0) = 3 [pid 1294] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1294] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1294] munmap(0x7f26a8533000, 131072) = 0 [pid 1294] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1294] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1294] ioctl(4, LOOP_CLR_FD) = 0 [pid 1294] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1294] close(4) = 0 [pid 1294] close(3) = 0 [pid 1294] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1294] open("./file0", O_RDONLY) = 3 [pid 1294] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1294] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1294] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1294] exit_group(0) = ? [pid 1294] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1294, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1295 ./strace-static-x86_64: Process 1295 attached [pid 1295] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1295] setpgid(0, 0) = 0 [pid 1295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1295] write(3, "1000", 4) = 4 [pid 1295] close(3) = 0 [pid 1295] memfd_create("syzkaller", 0) = 3 [pid 1295] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1295] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1295] munmap(0x7f26a8533000, 131072) = 0 [pid 1295] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1295] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1295] ioctl(4, LOOP_CLR_FD) = 0 [pid 1295] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1295] close(4) = 0 [pid 1295] close(3) = 0 [pid 1295] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1295] open("./file0", O_RDONLY) = 3 [pid 1295] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1295] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1295] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1295] exit_group(0) = ? [pid 1295] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1295, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1296 ./strace-static-x86_64: Process 1296 attached [pid 1296] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1296] setpgid(0, 0) = 0 [pid 1296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1296] write(3, "1000", 4) = 4 [pid 1296] close(3) = 0 [pid 1296] memfd_create("syzkaller", 0) = 3 [pid 1296] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1296] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1296] munmap(0x7f26a8533000, 131072) = 0 [pid 1296] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1296] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1296] ioctl(4, LOOP_CLR_FD) = 0 [pid 1296] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1296] close(4) = 0 [pid 1296] close(3) = 0 [pid 1296] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1296] open("./file0", O_RDONLY) = 3 [pid 1296] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1296] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1296] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1296] exit_group(0) = ? [pid 1296] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1296, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1297 ./strace-static-x86_64: Process 1297 attached [pid 1297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1297] setpgid(0, 0) = 0 [pid 1297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1297] write(3, "1000", 4) = 4 [pid 1297] close(3) = 0 [pid 1297] memfd_create("syzkaller", 0) = 3 [pid 1297] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1297] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1297] munmap(0x7f26a8533000, 131072) = 0 [pid 1297] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1297] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1297] ioctl(4, LOOP_CLR_FD) = 0 [pid 1297] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1297] close(4) = 0 [pid 1297] close(3) = 0 [pid 1297] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1297] open("./file0", O_RDONLY) = 3 [pid 1297] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1297] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1297] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1297] exit_group(0) = ? [pid 1297] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1297, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1299 ./strace-static-x86_64: Process 1299 attached [pid 1299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1299] setpgid(0, 0) = 0 [pid 1299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1299] write(3, "1000", 4) = 4 [pid 1299] close(3) = 0 [pid 1299] memfd_create("syzkaller", 0) = 3 [pid 1299] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1299] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1299] munmap(0x7f26a8533000, 131072) = 0 [pid 1299] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1299] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1299] ioctl(4, LOOP_CLR_FD) = 0 [pid 1299] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1299] close(4) = 0 [pid 1299] close(3) = 0 [pid 1299] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1299] open("./file0", O_RDONLY) = 3 [pid 1299] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1299] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1299] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1299] exit_group(0) = ? [pid 1299] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1299, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1300 ./strace-static-x86_64: Process 1300 attached [pid 1300] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1300] setpgid(0, 0) = 0 [pid 1300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1300] write(3, "1000", 4) = 4 [pid 1300] close(3) = 0 [pid 1300] memfd_create("syzkaller", 0) = 3 [pid 1300] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1300] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1300] munmap(0x7f26a8533000, 131072) = 0 [pid 1300] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1300] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1300] ioctl(4, LOOP_CLR_FD) = 0 [pid 1300] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1300] close(4) = 0 [pid 1300] close(3) = 0 [pid 1300] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1300] open("./file0", O_RDONLY) = 3 [pid 1300] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1300] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1300] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1300] exit_group(0) = ? [pid 1300] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1300, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1301 ./strace-static-x86_64: Process 1301 attached [pid 1301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1301] setpgid(0, 0) = 0 [pid 1301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1301] write(3, "1000", 4) = 4 [pid 1301] close(3) = 0 [pid 1301] memfd_create("syzkaller", 0) = 3 [pid 1301] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1301] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1301] munmap(0x7f26a8533000, 131072) = 0 [pid 1301] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1301] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1301] ioctl(4, LOOP_CLR_FD) = 0 [pid 1301] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1301] close(4) = 0 [pid 1301] close(3) = 0 [pid 1301] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1301] open("./file0", O_RDONLY) = 3 [pid 1301] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1301] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1301] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1301] exit_group(0) = ? [pid 1301] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1301, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1302 ./strace-static-x86_64: Process 1302 attached [pid 1302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1302] setpgid(0, 0) = 0 [pid 1302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1302] write(3, "1000", 4) = 4 [pid 1302] close(3) = 0 [pid 1302] memfd_create("syzkaller", 0) = 3 [pid 1302] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1302] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1302] munmap(0x7f26a8533000, 131072) = 0 [pid 1302] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1302] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1302] ioctl(4, LOOP_CLR_FD) = 0 [pid 1302] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1302] close(4) = 0 [pid 1302] close(3) = 0 [pid 1302] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1302] open("./file0", O_RDONLY) = 3 [pid 1302] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1302] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1302] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1302] exit_group(0) = ? [pid 1302] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1302, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1303 ./strace-static-x86_64: Process 1303 attached [pid 1303] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1303] setpgid(0, 0) = 0 [pid 1303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1303] write(3, "1000", 4) = 4 [pid 1303] close(3) = 0 [pid 1303] memfd_create("syzkaller", 0) = 3 [pid 1303] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1303] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1303] munmap(0x7f26a8533000, 131072) = 0 [pid 1303] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1303] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1303] ioctl(4, LOOP_CLR_FD) = 0 [pid 1303] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1303] close(4) = 0 [pid 1303] close(3) = 0 [pid 1303] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1303] open("./file0", O_RDONLY) = 3 [pid 1303] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1303] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1303] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1303] exit_group(0) = ? [pid 1303] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1303, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1304 ./strace-static-x86_64: Process 1304 attached [pid 1304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1304] setpgid(0, 0) = 0 [pid 1304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1304] write(3, "1000", 4) = 4 [pid 1304] close(3) = 0 [pid 1304] memfd_create("syzkaller", 0) = 3 [pid 1304] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1304] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1304] munmap(0x7f26a8533000, 131072) = 0 [pid 1304] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1304] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1304] ioctl(4, LOOP_CLR_FD) = 0 [pid 1304] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1304] close(4) = 0 [pid 1304] close(3) = 0 [pid 1304] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1304] open("./file0", O_RDONLY) = 3 [pid 1304] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1304] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1304] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1304] exit_group(0) = ? [pid 1304] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1304, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1305 ./strace-static-x86_64: Process 1305 attached [pid 1305] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1305] setpgid(0, 0) = 0 [pid 1305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1305] write(3, "1000", 4) = 4 [pid 1305] close(3) = 0 [pid 1305] memfd_create("syzkaller", 0) = 3 [pid 1305] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1305] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1305] munmap(0x7f26a8533000, 131072) = 0 [pid 1305] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1305] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1305] ioctl(4, LOOP_CLR_FD) = 0 [pid 1305] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1305] close(4) = 0 [pid 1305] close(3) = 0 [pid 1305] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1305] open("./file0", O_RDONLY) = 3 [pid 1305] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1305] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1305] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1305] exit_group(0) = ? [pid 1305] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1305, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1306 ./strace-static-x86_64: Process 1306 attached [pid 1306] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1306] setpgid(0, 0) = 0 [pid 1306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1306] write(3, "1000", 4) = 4 [pid 1306] close(3) = 0 [pid 1306] memfd_create("syzkaller", 0) = 3 [pid 1306] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1306] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1306] munmap(0x7f26a8533000, 131072) = 0 [pid 1306] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1306] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1306] ioctl(4, LOOP_CLR_FD) = 0 [pid 1306] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1306] close(4) = 0 [pid 1306] close(3) = 0 [pid 1306] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1306] open("./file0", O_RDONLY) = 3 [pid 1306] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1306] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1306] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1306] exit_group(0) = ? [pid 1306] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1306, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1307 ./strace-static-x86_64: Process 1307 attached [pid 1307] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1307] setpgid(0, 0) = 0 [pid 1307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1307] write(3, "1000", 4) = 4 [pid 1307] close(3) = 0 [pid 1307] memfd_create("syzkaller", 0) = 3 [pid 1307] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1307] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1307] munmap(0x7f26a8533000, 131072) = 0 [pid 1307] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1307] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1307] ioctl(4, LOOP_CLR_FD) = 0 [pid 1307] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1307] close(4) = 0 [pid 1307] close(3) = 0 [pid 1307] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1307] open("./file0", O_RDONLY) = 3 [pid 1307] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1307] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1307] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1307] exit_group(0) = ? [pid 1307] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1307, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1308 ./strace-static-x86_64: Process 1308 attached [pid 1308] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1308] setpgid(0, 0) = 0 [pid 1308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1308] write(3, "1000", 4) = 4 [pid 1308] close(3) = 0 [pid 1308] memfd_create("syzkaller", 0) = 3 [pid 1308] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1308] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1308] munmap(0x7f26a8533000, 131072) = 0 [pid 1308] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1308] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1308] ioctl(4, LOOP_CLR_FD) = 0 [pid 1308] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1308] close(4) = 0 [pid 1308] close(3) = 0 [pid 1308] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1308] open("./file0", O_RDONLY) = 3 [pid 1308] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1308] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1308] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1308] exit_group(0) = ? [pid 1308] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1308, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1309 ./strace-static-x86_64: Process 1309 attached [pid 1309] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1309] setpgid(0, 0) = 0 [pid 1309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1309] write(3, "1000", 4) = 4 [pid 1309] close(3) = 0 [pid 1309] memfd_create("syzkaller", 0) = 3 [pid 1309] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1309] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1309] munmap(0x7f26a8533000, 131072) = 0 [pid 1309] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1309] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1309] ioctl(4, LOOP_CLR_FD) = 0 [pid 1309] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1309] close(4) = 0 [pid 1309] close(3) = 0 [pid 1309] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1309] open("./file0", O_RDONLY) = 3 [pid 1309] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1309] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1309] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1309] exit_group(0) = ? [pid 1309] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1309, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1310 ./strace-static-x86_64: Process 1310 attached [pid 1310] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1310] setpgid(0, 0) = 0 [pid 1310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1310] write(3, "1000", 4) = 4 [pid 1310] close(3) = 0 [pid 1310] memfd_create("syzkaller", 0) = 3 [pid 1310] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1310] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1310] munmap(0x7f26a8533000, 131072) = 0 [pid 1310] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1310] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1310] ioctl(4, LOOP_CLR_FD) = 0 [pid 1310] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1310] close(4) = 0 [pid 1310] close(3) = 0 [pid 1310] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1310] open("./file0", O_RDONLY) = 3 [pid 1310] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1310] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1310] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1310] exit_group(0) = ? [pid 1310] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1310, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1311 ./strace-static-x86_64: Process 1311 attached [pid 1311] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1311] setpgid(0, 0) = 0 [pid 1311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1311] write(3, "1000", 4) = 4 [pid 1311] close(3) = 0 [pid 1311] memfd_create("syzkaller", 0) = 3 [pid 1311] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1311] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1311] munmap(0x7f26a8533000, 131072) = 0 [pid 1311] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1311] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1311] ioctl(4, LOOP_CLR_FD) = 0 [pid 1311] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1311] close(4) = 0 [pid 1311] close(3) = 0 [pid 1311] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1311] open("./file0", O_RDONLY) = 3 [pid 1311] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1311] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1311] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1311] exit_group(0) = ? [pid 1311] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1311, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1312 ./strace-static-x86_64: Process 1312 attached [pid 1312] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1312] setpgid(0, 0) = 0 [pid 1312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1312] write(3, "1000", 4) = 4 [pid 1312] close(3) = 0 [pid 1312] memfd_create("syzkaller", 0) = 3 [pid 1312] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1312] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1312] munmap(0x7f26a8533000, 131072) = 0 [pid 1312] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1312] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1312] ioctl(4, LOOP_CLR_FD) = 0 [pid 1312] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1312] close(4) = 0 [pid 1312] close(3) = 0 [pid 1312] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1312] open("./file0", O_RDONLY) = 3 [pid 1312] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1312] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1312] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1312] exit_group(0) = ? [pid 1312] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1312, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1313 ./strace-static-x86_64: Process 1313 attached [pid 1313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1313] setpgid(0, 0) = 0 [pid 1313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1313] write(3, "1000", 4) = 4 [pid 1313] close(3) = 0 [pid 1313] memfd_create("syzkaller", 0) = 3 [pid 1313] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1313] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1313] munmap(0x7f26a8533000, 131072) = 0 [pid 1313] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1313] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1313] ioctl(4, LOOP_CLR_FD) = 0 [pid 1313] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1313] close(4) = 0 [pid 1313] close(3) = 0 [pid 1313] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1313] open("./file0", O_RDONLY) = 3 [pid 1313] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1313] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1313] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1313] exit_group(0) = ? [pid 1313] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1313, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1314 ./strace-static-x86_64: Process 1314 attached [pid 1314] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1314] setpgid(0, 0) = 0 [pid 1314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1314] write(3, "1000", 4) = 4 [pid 1314] close(3) = 0 [pid 1314] memfd_create("syzkaller", 0) = 3 [pid 1314] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1314] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1314] munmap(0x7f26a8533000, 131072) = 0 [pid 1314] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1314] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1314] ioctl(4, LOOP_CLR_FD) = 0 [pid 1314] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1314] close(4) = 0 [pid 1314] close(3) = 0 [pid 1314] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1314] open("./file0", O_RDONLY) = 3 [pid 1314] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1314] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1314] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1314] exit_group(0) = ? [pid 1314] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1314, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1315 attached , child_tidptr=0x555556e0f5d0) = 1315 [pid 1315] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1315] setpgid(0, 0) = 0 [pid 1315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1315] write(3, "1000", 4) = 4 [pid 1315] close(3) = 0 [pid 1315] memfd_create("syzkaller", 0) = 3 [pid 1315] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1315] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1315] munmap(0x7f26a8533000, 131072) = 0 [pid 1315] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1315] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1315] ioctl(4, LOOP_CLR_FD) = 0 [pid 1315] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1315] close(4) = 0 [pid 1315] close(3) = 0 [pid 1315] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1315] open("./file0", O_RDONLY) = 3 [pid 1315] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1315] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1315] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1315] exit_group(0) = ? [pid 1315] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1315, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1316 ./strace-static-x86_64: Process 1316 attached [pid 1316] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1316] setpgid(0, 0) = 0 [pid 1316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1316] write(3, "1000", 4) = 4 [pid 1316] close(3) = 0 [pid 1316] memfd_create("syzkaller", 0) = 3 [pid 1316] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1316] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1316] munmap(0x7f26a8533000, 131072) = 0 [pid 1316] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1316] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1316] ioctl(4, LOOP_CLR_FD) = 0 [pid 1316] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1316] close(4) = 0 [pid 1316] close(3) = 0 [pid 1316] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1316] open("./file0", O_RDONLY) = 3 [pid 1316] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1316] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1316] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1316] exit_group(0) = ? [pid 1316] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1316, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1317 ./strace-static-x86_64: Process 1317 attached [pid 1317] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1317] setpgid(0, 0) = 0 [pid 1317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1317] write(3, "1000", 4) = 4 [pid 1317] close(3) = 0 [pid 1317] memfd_create("syzkaller", 0) = 3 [pid 1317] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1317] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1317] munmap(0x7f26a8533000, 131072) = 0 [pid 1317] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1317] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1317] ioctl(4, LOOP_CLR_FD) = 0 [pid 1317] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1317] close(4) = 0 [pid 1317] close(3) = 0 [pid 1317] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1317] open("./file0", O_RDONLY) = 3 [pid 1317] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1317] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1317] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1317] exit_group(0) = ? [pid 1317] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1317, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1318 ./strace-static-x86_64: Process 1318 attached [pid 1318] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1318] setpgid(0, 0) = 0 [pid 1318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1318] write(3, "1000", 4) = 4 [pid 1318] close(3) = 0 [pid 1318] memfd_create("syzkaller", 0) = 3 [pid 1318] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1318] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1318] munmap(0x7f26a8533000, 131072) = 0 [pid 1318] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1318] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1318] ioctl(4, LOOP_CLR_FD) = 0 [pid 1318] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1318] close(4) = 0 [pid 1318] close(3) = 0 [pid 1318] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1318] open("./file0", O_RDONLY) = 3 [pid 1318] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1318] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1318] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1318] exit_group(0) = ? [pid 1318] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1318, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1319 ./strace-static-x86_64: Process 1319 attached [pid 1319] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1319] setpgid(0, 0) = 0 [pid 1319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1319] write(3, "1000", 4) = 4 [pid 1319] close(3) = 0 [pid 1319] memfd_create("syzkaller", 0) = 3 [pid 1319] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1319] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1319] munmap(0x7f26a8533000, 131072) = 0 [pid 1319] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1319] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1319] ioctl(4, LOOP_CLR_FD) = 0 [pid 1319] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1319] close(4) = 0 [pid 1319] close(3) = 0 [pid 1319] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1319] open("./file0", O_RDONLY) = 3 [pid 1319] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1319] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1319] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1319] exit_group(0) = ? [pid 1319] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1319, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1320 ./strace-static-x86_64: Process 1320 attached [pid 1320] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1320] setpgid(0, 0) = 0 [pid 1320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1320] write(3, "1000", 4) = 4 [pid 1320] close(3) = 0 [pid 1320] memfd_create("syzkaller", 0) = 3 [pid 1320] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1320] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1320] munmap(0x7f26a8533000, 131072) = 0 [pid 1320] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1320] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1320] ioctl(4, LOOP_CLR_FD) = 0 [pid 1320] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1320] close(4) = 0 [pid 1320] close(3) = 0 [pid 1320] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1320] open("./file0", O_RDONLY) = 3 [pid 1320] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1320] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1320] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1320] exit_group(0) = ? [pid 1320] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1320, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1321 ./strace-static-x86_64: Process 1321 attached [pid 1321] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1321] setpgid(0, 0) = 0 [pid 1321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1321] write(3, "1000", 4) = 4 [pid 1321] close(3) = 0 [pid 1321] memfd_create("syzkaller", 0) = 3 [pid 1321] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1321] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1321] munmap(0x7f26a8533000, 131072) = 0 [pid 1321] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1321] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1321] ioctl(4, LOOP_CLR_FD) = 0 [pid 1321] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1321] close(4) = 0 [pid 1321] close(3) = 0 [pid 1321] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1321] open("./file0", O_RDONLY) = 3 [pid 1321] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1321] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1321] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1321] exit_group(0) = ? [pid 1321] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1321, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1322 ./strace-static-x86_64: Process 1322 attached [pid 1322] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1322] setpgid(0, 0) = 0 [pid 1322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1322] write(3, "1000", 4) = 4 [pid 1322] close(3) = 0 [pid 1322] memfd_create("syzkaller", 0) = 3 [pid 1322] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1322] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1322] munmap(0x7f26a8533000, 131072) = 0 [pid 1322] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1322] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1322] ioctl(4, LOOP_CLR_FD) = 0 [pid 1322] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1322] close(4) = 0 [pid 1322] close(3) = 0 [pid 1322] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1322] open("./file0", O_RDONLY) = 3 [pid 1322] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1322] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1322] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1322] exit_group(0) = ? [pid 1322] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1322, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1323 ./strace-static-x86_64: Process 1323 attached [pid 1323] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1323] setpgid(0, 0) = 0 [pid 1323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1323] write(3, "1000", 4) = 4 [pid 1323] close(3) = 0 [pid 1323] memfd_create("syzkaller", 0) = 3 [pid 1323] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1323] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1323] munmap(0x7f26a8533000, 131072) = 0 [pid 1323] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1323] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1323] ioctl(4, LOOP_CLR_FD) = 0 [pid 1323] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1323] close(4) = 0 [pid 1323] close(3) = 0 [pid 1323] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1323] open("./file0", O_RDONLY) = 3 [pid 1323] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1323] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1323] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1323] exit_group(0) = ? [pid 1323] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1323, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1324 ./strace-static-x86_64: Process 1324 attached [pid 1324] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1324] setpgid(0, 0) = 0 [pid 1324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1324] write(3, "1000", 4) = 4 [pid 1324] close(3) = 0 [pid 1324] memfd_create("syzkaller", 0) = 3 [pid 1324] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1324] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1324] munmap(0x7f26a8533000, 131072) = 0 [pid 1324] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1324] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1324] ioctl(4, LOOP_CLR_FD) = 0 [pid 1324] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1324] close(4) = 0 [pid 1324] close(3) = 0 [pid 1324] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1324] open("./file0", O_RDONLY) = 3 [pid 1324] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1324] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1324] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1324] exit_group(0) = ? [pid 1324] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1324, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1325 ./strace-static-x86_64: Process 1325 attached [pid 1325] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1325] setpgid(0, 0) = 0 [pid 1325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1325] write(3, "1000", 4) = 4 [pid 1325] close(3) = 0 [pid 1325] memfd_create("syzkaller", 0) = 3 [pid 1325] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1325] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1325] munmap(0x7f26a8533000, 131072) = 0 [pid 1325] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1325] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1325] ioctl(4, LOOP_CLR_FD) = 0 [pid 1325] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1325] close(4) = 0 [pid 1325] close(3) = 0 [pid 1325] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1325] open("./file0", O_RDONLY) = 3 [pid 1325] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1325] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1325] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1325] exit_group(0) = ? [pid 1325] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1325, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1326 ./strace-static-x86_64: Process 1326 attached [pid 1326] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1326] setpgid(0, 0) = 0 [pid 1326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1326] write(3, "1000", 4) = 4 [pid 1326] close(3) = 0 [pid 1326] memfd_create("syzkaller", 0) = 3 [pid 1326] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1326] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1326] munmap(0x7f26a8533000, 131072) = 0 [pid 1326] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1326] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1326] ioctl(4, LOOP_CLR_FD) = 0 [pid 1326] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1326] close(4) = 0 [pid 1326] close(3) = 0 [pid 1326] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1326] open("./file0", O_RDONLY) = 3 [pid 1326] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1326] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1326] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1326] exit_group(0) = ? [pid 1326] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1326, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1327 ./strace-static-x86_64: Process 1327 attached [pid 1327] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1327] setpgid(0, 0) = 0 [pid 1327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1327] write(3, "1000", 4) = 4 [pid 1327] close(3) = 0 [pid 1327] memfd_create("syzkaller", 0) = 3 [pid 1327] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1327] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1327] munmap(0x7f26a8533000, 131072) = 0 [pid 1327] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1327] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1327] ioctl(4, LOOP_CLR_FD) = 0 [pid 1327] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1327] close(4) = 0 [pid 1327] close(3) = 0 [pid 1327] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1327] open("./file0", O_RDONLY) = 3 [pid 1327] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1327] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1327] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1327] exit_group(0) = ? [pid 1327] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1327, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1328 ./strace-static-x86_64: Process 1328 attached [pid 1328] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1328] setpgid(0, 0) = 0 [pid 1328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1328] write(3, "1000", 4) = 4 [pid 1328] close(3) = 0 [pid 1328] memfd_create("syzkaller", 0) = 3 [pid 1328] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1328] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1328] munmap(0x7f26a8533000, 131072) = 0 [pid 1328] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1328] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1328] ioctl(4, LOOP_CLR_FD) = 0 [pid 1328] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1328] close(4) = 0 [pid 1328] close(3) = 0 [pid 1328] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1328] open("./file0", O_RDONLY) = 3 [pid 1328] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1328] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1328] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1328] exit_group(0) = ? [pid 1328] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1328, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1329 ./strace-static-x86_64: Process 1329 attached [pid 1329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1329] setpgid(0, 0) = 0 [pid 1329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1329] write(3, "1000", 4) = 4 [pid 1329] close(3) = 0 [pid 1329] memfd_create("syzkaller", 0) = 3 [pid 1329] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1329] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1329] munmap(0x7f26a8533000, 131072) = 0 [pid 1329] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1329] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1329] ioctl(4, LOOP_CLR_FD) = 0 [pid 1329] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1329] close(4) = 0 [pid 1329] close(3) = 0 [pid 1329] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1329] open("./file0", O_RDONLY) = 3 [pid 1329] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1329] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1329] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1329] exit_group(0) = ? [pid 1329] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1329, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1330 ./strace-static-x86_64: Process 1330 attached [pid 1330] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1330] setpgid(0, 0) = 0 [pid 1330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1330] write(3, "1000", 4) = 4 [pid 1330] close(3) = 0 [pid 1330] memfd_create("syzkaller", 0) = 3 [pid 1330] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1330] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1330] munmap(0x7f26a8533000, 131072) = 0 [pid 1330] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1330] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1330] ioctl(4, LOOP_CLR_FD) = 0 [pid 1330] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1330] close(4) = 0 [pid 1330] close(3) = 0 [pid 1330] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1330] open("./file0", O_RDONLY) = 3 [pid 1330] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1330] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1330] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1330] exit_group(0) = ? [pid 1330] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1330, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1331 attached , child_tidptr=0x555556e0f5d0) = 1331 [pid 1331] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1331] setpgid(0, 0) = 0 [pid 1331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1331] write(3, "1000", 4) = 4 [pid 1331] close(3) = 0 [pid 1331] memfd_create("syzkaller", 0) = 3 [pid 1331] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1331] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1331] munmap(0x7f26a8533000, 131072) = 0 [pid 1331] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1331] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1331] ioctl(4, LOOP_CLR_FD) = 0 [pid 1331] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1331] close(4) = 0 [pid 1331] close(3) = 0 [pid 1331] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1331] open("./file0", O_RDONLY) = 3 [pid 1331] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1331] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1331] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1331] exit_group(0) = ? [pid 1331] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1331, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1332 ./strace-static-x86_64: Process 1332 attached [pid 1332] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1332] setpgid(0, 0) = 0 [pid 1332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1332] write(3, "1000", 4) = 4 [pid 1332] close(3) = 0 [pid 1332] memfd_create("syzkaller", 0) = 3 [pid 1332] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1332] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1332] munmap(0x7f26a8533000, 131072) = 0 [pid 1332] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1332] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1332] ioctl(4, LOOP_CLR_FD) = 0 [pid 1332] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1332] close(4) = 0 [pid 1332] close(3) = 0 [pid 1332] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1332] open("./file0", O_RDONLY) = 3 [pid 1332] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1332] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1332] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1332] exit_group(0) = ? [pid 1332] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1332, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1333 ./strace-static-x86_64: Process 1333 attached [pid 1333] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1333] setpgid(0, 0) = 0 [pid 1333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1333] write(3, "1000", 4) = 4 [pid 1333] close(3) = 0 [pid 1333] memfd_create("syzkaller", 0) = 3 [pid 1333] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1333] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1333] munmap(0x7f26a8533000, 131072) = 0 [pid 1333] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1333] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1333] ioctl(4, LOOP_CLR_FD) = 0 [pid 1333] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1333] close(4) = 0 [pid 1333] close(3) = 0 [pid 1333] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1333] open("./file0", O_RDONLY) = 3 [pid 1333] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1333] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1333] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1333] exit_group(0) = ? [pid 1333] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1333, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1334 ./strace-static-x86_64: Process 1334 attached [pid 1334] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1334] setpgid(0, 0) = 0 [pid 1334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1334] write(3, "1000", 4) = 4 [pid 1334] close(3) = 0 [pid 1334] memfd_create("syzkaller", 0) = 3 [pid 1334] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1334] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1334] munmap(0x7f26a8533000, 131072) = 0 [pid 1334] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1334] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1334] ioctl(4, LOOP_CLR_FD) = 0 [pid 1334] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1334] close(4) = 0 [pid 1334] close(3) = 0 [pid 1334] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1334] open("./file0", O_RDONLY) = 3 [pid 1334] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1334] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1334] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1334] exit_group(0) = ? [pid 1334] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1334, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1335 ./strace-static-x86_64: Process 1335 attached [pid 1335] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1335] setpgid(0, 0) = 0 [pid 1335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1335] write(3, "1000", 4) = 4 [pid 1335] close(3) = 0 [pid 1335] memfd_create("syzkaller", 0) = 3 [pid 1335] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1335] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1335] munmap(0x7f26a8533000, 131072) = 0 [pid 1335] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1335] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1335] ioctl(4, LOOP_CLR_FD) = 0 [pid 1335] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1335] close(4) = 0 [pid 1335] close(3) = 0 [pid 1335] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1335] open("./file0", O_RDONLY) = 3 [pid 1335] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1335] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1335] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1335] exit_group(0) = ? [pid 1335] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1335, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1336 attached , child_tidptr=0x555556e0f5d0) = 1336 [pid 1336] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1336] setpgid(0, 0) = 0 [pid 1336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1336] write(3, "1000", 4) = 4 [pid 1336] close(3) = 0 [pid 1336] memfd_create("syzkaller", 0) = 3 [pid 1336] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1336] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1336] munmap(0x7f26a8533000, 131072) = 0 [pid 1336] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1336] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1336] ioctl(4, LOOP_CLR_FD) = 0 [pid 1336] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1336] close(4) = 0 [pid 1336] close(3) = 0 [pid 1336] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1336] open("./file0", O_RDONLY) = 3 [pid 1336] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1336] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1336] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1336] exit_group(0) = ? [pid 1336] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1336, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1337 ./strace-static-x86_64: Process 1337 attached [pid 1337] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1337] setpgid(0, 0) = 0 [pid 1337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1337] write(3, "1000", 4) = 4 [pid 1337] close(3) = 0 [pid 1337] memfd_create("syzkaller", 0) = 3 [pid 1337] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1337] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1337] munmap(0x7f26a8533000, 131072) = 0 [pid 1337] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1337] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1337] ioctl(4, LOOP_CLR_FD) = 0 [pid 1337] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1337] close(4) = 0 [pid 1337] close(3) = 0 [pid 1337] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1337] open("./file0", O_RDONLY) = 3 [pid 1337] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1337] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1337] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1337] exit_group(0) = ? [pid 1337] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1337, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1338 attached , child_tidptr=0x555556e0f5d0) = 1338 [pid 1338] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1338] setpgid(0, 0) = 0 [pid 1338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1338] write(3, "1000", 4) = 4 [pid 1338] close(3) = 0 [pid 1338] memfd_create("syzkaller", 0) = 3 [pid 1338] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1338] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1338] munmap(0x7f26a8533000, 131072) = 0 [pid 1338] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1338] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1338] ioctl(4, LOOP_CLR_FD) = 0 [pid 1338] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1338] close(4) = 0 [pid 1338] close(3) = 0 [pid 1338] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1338] open("./file0", O_RDONLY) = 3 [pid 1338] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1338] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1338] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1338] exit_group(0) = ? [pid 1338] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1338, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1339 ./strace-static-x86_64: Process 1339 attached [pid 1339] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1339] setpgid(0, 0) = 0 [pid 1339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1339] write(3, "1000", 4) = 4 [pid 1339] close(3) = 0 [pid 1339] memfd_create("syzkaller", 0) = 3 [pid 1339] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1339] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1339] munmap(0x7f26a8533000, 131072) = 0 [pid 1339] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1339] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1339] ioctl(4, LOOP_CLR_FD) = 0 [pid 1339] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1339] close(4) = 0 [pid 1339] close(3) = 0 [pid 1339] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1339] open("./file0", O_RDONLY) = 3 [pid 1339] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1339] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1339] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1339] exit_group(0) = ? [pid 1339] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1339, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1340 ./strace-static-x86_64: Process 1340 attached [pid 1340] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1340] setpgid(0, 0) = 0 [pid 1340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1340] write(3, "1000", 4) = 4 [pid 1340] close(3) = 0 [pid 1340] memfd_create("syzkaller", 0) = 3 [pid 1340] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1340] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1340] munmap(0x7f26a8533000, 131072) = 0 [pid 1340] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1340] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1340] ioctl(4, LOOP_CLR_FD) = 0 [pid 1340] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1340] close(4) = 0 [pid 1340] close(3) = 0 [pid 1340] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1340] open("./file0", O_RDONLY) = 3 [pid 1340] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1340] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1340] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1340] exit_group(0) = ? [pid 1340] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1340, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1341 ./strace-static-x86_64: Process 1341 attached [pid 1341] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1341] setpgid(0, 0) = 0 [pid 1341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1341] write(3, "1000", 4) = 4 [pid 1341] close(3) = 0 [pid 1341] memfd_create("syzkaller", 0) = 3 [pid 1341] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1341] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1341] munmap(0x7f26a8533000, 131072) = 0 [pid 1341] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1341] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1341] ioctl(4, LOOP_CLR_FD) = 0 [pid 1341] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1341] close(4) = 0 [pid 1341] close(3) = 0 [pid 1341] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1341] open("./file0", O_RDONLY) = 3 [pid 1341] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1341] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1341] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1341] exit_group(0) = ? [pid 1341] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1341, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1342 ./strace-static-x86_64: Process 1342 attached [pid 1342] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1342] setpgid(0, 0) = 0 [pid 1342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1342] write(3, "1000", 4) = 4 [pid 1342] close(3) = 0 [pid 1342] memfd_create("syzkaller", 0) = 3 [pid 1342] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1342] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1342] munmap(0x7f26a8533000, 131072) = 0 [pid 1342] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1342] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1342] ioctl(4, LOOP_CLR_FD) = 0 [pid 1342] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1342] close(4) = 0 [pid 1342] close(3) = 0 [pid 1342] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1342] open("./file0", O_RDONLY) = 3 [pid 1342] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1342] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1342] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1342] exit_group(0) = ? [pid 1342] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1342, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1343 ./strace-static-x86_64: Process 1343 attached [pid 1343] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1343] setpgid(0, 0) = 0 [pid 1343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1343] write(3, "1000", 4) = 4 [pid 1343] close(3) = 0 [pid 1343] memfd_create("syzkaller", 0) = 3 [pid 1343] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1343] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1343] munmap(0x7f26a8533000, 131072) = 0 [pid 1343] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1343] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1343] ioctl(4, LOOP_CLR_FD) = 0 [pid 1343] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1343] close(4) = 0 [pid 1343] close(3) = 0 [pid 1343] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1343] open("./file0", O_RDONLY) = 3 [pid 1343] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1343] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1343] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1343] exit_group(0) = ? [pid 1343] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1343, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1344 ./strace-static-x86_64: Process 1344 attached [pid 1344] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1344] setpgid(0, 0) = 0 [pid 1344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1344] write(3, "1000", 4) = 4 [pid 1344] close(3) = 0 [pid 1344] memfd_create("syzkaller", 0) = 3 [pid 1344] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1344] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1344] munmap(0x7f26a8533000, 131072) = 0 [pid 1344] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1344] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1344] ioctl(4, LOOP_CLR_FD) = 0 [pid 1344] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1344] close(4) = 0 [pid 1344] close(3) = 0 [pid 1344] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1344] open("./file0", O_RDONLY) = 3 [pid 1344] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1344] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1344] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1344] exit_group(0) = ? [pid 1344] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1344, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1345 ./strace-static-x86_64: Process 1345 attached [pid 1345] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1345] setpgid(0, 0) = 0 [pid 1345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1345] write(3, "1000", 4) = 4 [pid 1345] close(3) = 0 [pid 1345] memfd_create("syzkaller", 0) = 3 [pid 1345] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1345] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1345] munmap(0x7f26a8533000, 131072) = 0 [pid 1345] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1345] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1345] ioctl(4, LOOP_CLR_FD) = 0 [pid 1345] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1345] close(4) = 0 [pid 1345] close(3) = 0 [pid 1345] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1345] open("./file0", O_RDONLY) = 3 [pid 1345] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1345] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1345] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1345] exit_group(0) = ? [pid 1345] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1345, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1346 ./strace-static-x86_64: Process 1346 attached [pid 1346] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1346] setpgid(0, 0) = 0 [pid 1346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1346] write(3, "1000", 4) = 4 [pid 1346] close(3) = 0 [pid 1346] memfd_create("syzkaller", 0) = 3 [pid 1346] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1346] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1346] munmap(0x7f26a8533000, 131072) = 0 [pid 1346] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1346] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1346] ioctl(4, LOOP_CLR_FD) = 0 [pid 1346] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1346] close(4) = 0 [pid 1346] close(3) = 0 [pid 1346] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1346] open("./file0", O_RDONLY) = 3 [pid 1346] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1346] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1346] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1346] exit_group(0) = ? [pid 1346] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1346, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1347 ./strace-static-x86_64: Process 1347 attached [pid 1347] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1347] setpgid(0, 0) = 0 [pid 1347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1347] write(3, "1000", 4) = 4 [pid 1347] close(3) = 0 [pid 1347] memfd_create("syzkaller", 0) = 3 [pid 1347] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1347] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1347] munmap(0x7f26a8533000, 131072) = 0 [pid 1347] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1347] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1347] ioctl(4, LOOP_CLR_FD) = 0 [pid 1347] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1347] close(4) = 0 [pid 1347] close(3) = 0 [pid 1347] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1347] open("./file0", O_RDONLY) = 3 [pid 1347] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1347] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1347] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1347] exit_group(0) = ? [pid 1347] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1347, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1348 ./strace-static-x86_64: Process 1348 attached [pid 1348] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1348] setpgid(0, 0) = 0 [pid 1348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1348] write(3, "1000", 4) = 4 [pid 1348] close(3) = 0 [pid 1348] memfd_create("syzkaller", 0) = 3 [pid 1348] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1348] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1348] munmap(0x7f26a8533000, 131072) = 0 [pid 1348] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1348] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1348] ioctl(4, LOOP_CLR_FD) = 0 [pid 1348] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1348] close(4) = 0 [pid 1348] close(3) = 0 [pid 1348] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1348] open("./file0", O_RDONLY) = 3 [pid 1348] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1348] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1348] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1348] exit_group(0) = ? [pid 1348] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1348, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1349 ./strace-static-x86_64: Process 1349 attached [pid 1349] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1349] setpgid(0, 0) = 0 [pid 1349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1349] write(3, "1000", 4) = 4 [pid 1349] close(3) = 0 [pid 1349] memfd_create("syzkaller", 0) = 3 [pid 1349] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1349] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1349] munmap(0x7f26a8533000, 131072) = 0 [pid 1349] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1349] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1349] ioctl(4, LOOP_CLR_FD) = 0 [pid 1349] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1349] close(4) = 0 [pid 1349] close(3) = 0 [pid 1349] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1349] open("./file0", O_RDONLY) = 3 [pid 1349] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1349] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1349] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1349] exit_group(0) = ? [pid 1349] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1349, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1350 ./strace-static-x86_64: Process 1350 attached [pid 1350] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1350] setpgid(0, 0) = 0 [pid 1350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1350] write(3, "1000", 4) = 4 [pid 1350] close(3) = 0 [pid 1350] memfd_create("syzkaller", 0) = 3 [pid 1350] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1350] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1350] munmap(0x7f26a8533000, 131072) = 0 [pid 1350] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1350] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1350] ioctl(4, LOOP_CLR_FD) = 0 [pid 1350] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1350] close(4) = 0 [pid 1350] close(3) = 0 [pid 1350] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1350] open("./file0", O_RDONLY) = 3 [pid 1350] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1350] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1350] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1350] exit_group(0) = ? [pid 1350] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1350, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1351 ./strace-static-x86_64: Process 1351 attached [pid 1351] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1351] setpgid(0, 0) = 0 [pid 1351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1351] write(3, "1000", 4) = 4 [pid 1351] close(3) = 0 [pid 1351] memfd_create("syzkaller", 0) = 3 [pid 1351] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1351] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1351] munmap(0x7f26a8533000, 131072) = 0 [pid 1351] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1351] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1351] ioctl(4, LOOP_CLR_FD) = 0 [pid 1351] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1351] close(4) = 0 [pid 1351] close(3) = 0 [pid 1351] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1351] open("./file0", O_RDONLY) = 3 [pid 1351] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1351] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1351] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1351] exit_group(0) = ? [pid 1351] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1351, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1352 attached , child_tidptr=0x555556e0f5d0) = 1352 [pid 1352] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1352] setpgid(0, 0) = 0 [pid 1352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1352] write(3, "1000", 4) = 4 [pid 1352] close(3) = 0 [pid 1352] memfd_create("syzkaller", 0) = 3 [pid 1352] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1352] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1352] munmap(0x7f26a8533000, 131072) = 0 [pid 1352] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1352] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1352] ioctl(4, LOOP_CLR_FD) = 0 [pid 1352] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1352] close(4) = 0 [pid 1352] close(3) = 0 [pid 1352] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1352] open("./file0", O_RDONLY) = 3 [pid 1352] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1352] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1352] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1352] exit_group(0) = ? [pid 1352] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1352, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1353 ./strace-static-x86_64: Process 1353 attached [pid 1353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1353] setpgid(0, 0) = 0 [pid 1353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1353] write(3, "1000", 4) = 4 [pid 1353] close(3) = 0 [pid 1353] memfd_create("syzkaller", 0) = 3 [pid 1353] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1353] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1353] munmap(0x7f26a8533000, 131072) = 0 [pid 1353] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1353] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1353] ioctl(4, LOOP_CLR_FD) = 0 [pid 1353] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1353] close(4) = 0 [pid 1353] close(3) = 0 [pid 1353] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1353] open("./file0", O_RDONLY) = 3 [pid 1353] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1353] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1353] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1353] exit_group(0) = ? [pid 1353] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1353, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1354 ./strace-static-x86_64: Process 1354 attached [pid 1354] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1354] setpgid(0, 0) = 0 [pid 1354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1354] write(3, "1000", 4) = 4 [pid 1354] close(3) = 0 [pid 1354] memfd_create("syzkaller", 0) = 3 [pid 1354] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1354] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1354] munmap(0x7f26a8533000, 131072) = 0 [pid 1354] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1354] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1354] ioctl(4, LOOP_CLR_FD) = 0 [pid 1354] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1354] close(4) = 0 [pid 1354] close(3) = 0 [pid 1354] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1354] open("./file0", O_RDONLY) = 3 [pid 1354] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1354] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1354] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1354] exit_group(0) = ? [pid 1354] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1354, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1355 ./strace-static-x86_64: Process 1355 attached [pid 1355] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1355] setpgid(0, 0) = 0 [pid 1355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1355] write(3, "1000", 4) = 4 [pid 1355] close(3) = 0 [pid 1355] memfd_create("syzkaller", 0) = 3 [pid 1355] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1355] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1355] munmap(0x7f26a8533000, 131072) = 0 [pid 1355] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1355] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1355] ioctl(4, LOOP_CLR_FD) = 0 [pid 1355] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1355] close(4) = 0 [pid 1355] close(3) = 0 [pid 1355] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1355] open("./file0", O_RDONLY) = 3 [pid 1355] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1355] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1355] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1355] exit_group(0) = ? [pid 1355] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1355, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1356 ./strace-static-x86_64: Process 1356 attached [pid 1356] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1356] setpgid(0, 0) = 0 [pid 1356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1356] write(3, "1000", 4) = 4 [pid 1356] close(3) = 0 [pid 1356] memfd_create("syzkaller", 0) = 3 [pid 1356] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1356] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1356] munmap(0x7f26a8533000, 131072) = 0 [pid 1356] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1356] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1356] ioctl(4, LOOP_CLR_FD) = 0 [pid 1356] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1356] close(4) = 0 [pid 1356] close(3) = 0 [pid 1356] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1356] open("./file0", O_RDONLY) = 3 [pid 1356] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1356] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1356] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1356] exit_group(0) = ? [pid 1356] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1356, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1357 ./strace-static-x86_64: Process 1357 attached [pid 1357] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1357] setpgid(0, 0) = 0 [pid 1357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1357] write(3, "1000", 4) = 4 [pid 1357] close(3) = 0 [pid 1357] memfd_create("syzkaller", 0) = 3 [pid 1357] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1357] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1357] munmap(0x7f26a8533000, 131072) = 0 [pid 1357] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1357] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1357] ioctl(4, LOOP_CLR_FD) = 0 [pid 1357] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1357] close(4) = 0 [pid 1357] close(3) = 0 [pid 1357] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1357] open("./file0", O_RDONLY) = 3 [pid 1357] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1357] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1357] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1357] exit_group(0) = ? [pid 1357] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1357, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1358 ./strace-static-x86_64: Process 1358 attached [pid 1358] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1358] setpgid(0, 0) = 0 [pid 1358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1358] write(3, "1000", 4) = 4 [pid 1358] close(3) = 0 [pid 1358] memfd_create("syzkaller", 0) = 3 [pid 1358] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1358] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1358] munmap(0x7f26a8533000, 131072) = 0 [pid 1358] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1358] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1358] ioctl(4, LOOP_CLR_FD) = 0 [pid 1358] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1358] close(4) = 0 [pid 1358] close(3) = 0 [pid 1358] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1358] open("./file0", O_RDONLY) = 3 [pid 1358] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1358] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1358] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1358] exit_group(0) = ? [pid 1358] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1358, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1359 ./strace-static-x86_64: Process 1359 attached [pid 1359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1359] setpgid(0, 0) = 0 [pid 1359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1359] write(3, "1000", 4) = 4 [pid 1359] close(3) = 0 [pid 1359] memfd_create("syzkaller", 0) = 3 [pid 1359] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1359] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1359] munmap(0x7f26a8533000, 131072) = 0 [pid 1359] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1359] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1359] ioctl(4, LOOP_CLR_FD) = 0 [pid 1359] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1359] close(4) = 0 [pid 1359] close(3) = 0 [pid 1359] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1359] open("./file0", O_RDONLY) = 3 [pid 1359] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1359] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1359] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1359] exit_group(0) = ? [pid 1359] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1359, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1360 ./strace-static-x86_64: Process 1360 attached [pid 1360] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1360] setpgid(0, 0) = 0 [pid 1360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1360] write(3, "1000", 4) = 4 [pid 1360] close(3) = 0 [pid 1360] memfd_create("syzkaller", 0) = 3 [pid 1360] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1360] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1360] munmap(0x7f26a8533000, 131072) = 0 [pid 1360] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1360] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1360] ioctl(4, LOOP_CLR_FD) = 0 [pid 1360] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1360] close(4) = 0 [pid 1360] close(3) = 0 [pid 1360] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1360] open("./file0", O_RDONLY) = 3 [pid 1360] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1360] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1360] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1360] exit_group(0) = ? [pid 1360] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1360, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1361 ./strace-static-x86_64: Process 1361 attached [pid 1361] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1361] setpgid(0, 0) = 0 [pid 1361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1361] write(3, "1000", 4) = 4 [pid 1361] close(3) = 0 [pid 1361] memfd_create("syzkaller", 0) = 3 [pid 1361] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1361] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1361] munmap(0x7f26a8533000, 131072) = 0 [pid 1361] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1361] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1361] ioctl(4, LOOP_CLR_FD) = 0 [pid 1361] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1361] close(4) = 0 [pid 1361] close(3) = 0 [pid 1361] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1361] open("./file0", O_RDONLY) = 3 [pid 1361] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1361] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1361] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1361] exit_group(0) = ? [pid 1361] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1361, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1362 ./strace-static-x86_64: Process 1362 attached [pid 1362] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1362] setpgid(0, 0) = 0 [pid 1362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1362] write(3, "1000", 4) = 4 [pid 1362] close(3) = 0 [pid 1362] memfd_create("syzkaller", 0) = 3 [pid 1362] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1362] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1362] munmap(0x7f26a8533000, 131072) = 0 [pid 1362] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1362] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1362] ioctl(4, LOOP_CLR_FD) = 0 [pid 1362] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1362] close(4) = 0 [pid 1362] close(3) = 0 [pid 1362] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1362] open("./file0", O_RDONLY) = 3 [pid 1362] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1362] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1362] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1362] exit_group(0) = ? [pid 1362] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1362, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1363 ./strace-static-x86_64: Process 1363 attached [pid 1363] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1363] setpgid(0, 0) = 0 [pid 1363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1363] write(3, "1000", 4) = 4 [pid 1363] close(3) = 0 [pid 1363] memfd_create("syzkaller", 0) = 3 [pid 1363] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1363] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1363] munmap(0x7f26a8533000, 131072) = 0 [pid 1363] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1363] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1363] ioctl(4, LOOP_CLR_FD) = 0 [pid 1363] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1363] close(4) = 0 [pid 1363] close(3) = 0 [pid 1363] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1363] open("./file0", O_RDONLY) = 3 [pid 1363] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1363] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1363] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1363] exit_group(0) = ? [pid 1363] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1363, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1364 ./strace-static-x86_64: Process 1364 attached [pid 1364] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1364] setpgid(0, 0) = 0 [pid 1364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1364] write(3, "1000", 4) = 4 [pid 1364] close(3) = 0 [pid 1364] memfd_create("syzkaller", 0) = 3 [pid 1364] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1364] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1364] munmap(0x7f26a8533000, 131072) = 0 [pid 1364] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1364] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1364] ioctl(4, LOOP_CLR_FD) = 0 [pid 1364] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1364] close(4) = 0 [pid 1364] close(3) = 0 [pid 1364] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1364] open("./file0", O_RDONLY) = 3 [pid 1364] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1364] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1364] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1364] exit_group(0) = ? [pid 1364] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1364, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1365 ./strace-static-x86_64: Process 1365 attached [pid 1365] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1365] setpgid(0, 0) = 0 [pid 1365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1365] write(3, "1000", 4) = 4 [pid 1365] close(3) = 0 [pid 1365] memfd_create("syzkaller", 0) = 3 [pid 1365] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1365] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1365] munmap(0x7f26a8533000, 131072) = 0 [pid 1365] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1365] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1365] ioctl(4, LOOP_CLR_FD) = 0 [pid 1365] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1365] close(4) = 0 [pid 1365] close(3) = 0 [pid 1365] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1365] open("./file0", O_RDONLY) = 3 [pid 1365] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1365] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1365] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1365] exit_group(0) = ? [pid 1365] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1365, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1366 attached , child_tidptr=0x555556e0f5d0) = 1366 [pid 1366] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1366] setpgid(0, 0) = 0 [pid 1366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1366] write(3, "1000", 4) = 4 [pid 1366] close(3) = 0 [pid 1366] memfd_create("syzkaller", 0) = 3 [pid 1366] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1366] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1366] munmap(0x7f26a8533000, 131072) = 0 [pid 1366] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1366] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1366] ioctl(4, LOOP_CLR_FD) = 0 [pid 1366] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1366] close(4) = 0 [pid 1366] close(3) = 0 [pid 1366] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1366] open("./file0", O_RDONLY) = 3 [pid 1366] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1366] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1366] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1366] exit_group(0) = ? [pid 1366] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1366, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1367 ./strace-static-x86_64: Process 1367 attached [pid 1367] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1367] setpgid(0, 0) = 0 [pid 1367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1367] write(3, "1000", 4) = 4 [pid 1367] close(3) = 0 [pid 1367] memfd_create("syzkaller", 0) = 3 [pid 1367] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1367] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1367] munmap(0x7f26a8533000, 131072) = 0 [pid 1367] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1367] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1367] ioctl(4, LOOP_CLR_FD) = 0 [pid 1367] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1367] close(4) = 0 [pid 1367] close(3) = 0 [pid 1367] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1367] open("./file0", O_RDONLY) = 3 [pid 1367] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1367] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1367] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1367] exit_group(0) = ? [pid 1367] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1367, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1368 ./strace-static-x86_64: Process 1368 attached [pid 1368] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1368] setpgid(0, 0) = 0 [pid 1368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1368] write(3, "1000", 4) = 4 [pid 1368] close(3) = 0 [pid 1368] memfd_create("syzkaller", 0) = 3 [pid 1368] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1368] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1368] munmap(0x7f26a8533000, 131072) = 0 [pid 1368] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1368] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1368] ioctl(4, LOOP_CLR_FD) = 0 [pid 1368] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1368] close(4) = 0 [pid 1368] close(3) = 0 [pid 1368] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1368] open("./file0", O_RDONLY) = 3 [pid 1368] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1368] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1368] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1368] exit_group(0) = ? [pid 1368] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1368, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1369 attached [pid 1369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1369] setpgid(0, 0) = 0 [pid 1369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 407] <... clone resumed>, child_tidptr=0x555556e0f5d0) = 1369 [pid 1369] <... openat resumed>) = 3 [pid 1369] write(3, "1000", 4) = 4 [pid 1369] close(3) = 0 [pid 1369] memfd_create("syzkaller", 0) = 3 [pid 1369] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1369] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1369] munmap(0x7f26a8533000, 131072) = 0 [pid 1369] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1369] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1369] ioctl(4, LOOP_CLR_FD) = 0 [pid 1369] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1369] close(4) = 0 [pid 1369] close(3) = 0 [pid 1369] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1369] open("./file0", O_RDONLY) = 3 [pid 1369] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1369] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1369] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1369] exit_group(0) = ? [pid 1369] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1369, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1371 ./strace-static-x86_64: Process 1371 attached [pid 1371] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1371] setpgid(0, 0) = 0 [pid 1371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1371] write(3, "1000", 4) = 4 [pid 1371] close(3) = 0 [pid 1371] memfd_create("syzkaller", 0) = 3 [pid 1371] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1371] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1371] munmap(0x7f26a8533000, 131072) = 0 [pid 1371] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1371] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1371] ioctl(4, LOOP_CLR_FD) = 0 [pid 1371] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1371] close(4) = 0 [pid 1371] close(3) = 0 [pid 1371] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1371] open("./file0", O_RDONLY) = 3 [pid 1371] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1371] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1371] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1371] exit_group(0) = ? [pid 1371] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1371, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1372 ./strace-static-x86_64: Process 1372 attached [pid 1372] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1372] setpgid(0, 0) = 0 [pid 1372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1372] write(3, "1000", 4) = 4 [pid 1372] close(3) = 0 [pid 1372] memfd_create("syzkaller", 0) = 3 [pid 1372] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1372] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1372] munmap(0x7f26a8533000, 131072) = 0 [pid 1372] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1372] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1372] ioctl(4, LOOP_CLR_FD) = 0 [pid 1372] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1372] close(4) = 0 [pid 1372] close(3) = 0 [pid 1372] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1372] open("./file0", O_RDONLY) = 3 [pid 1372] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1372] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1372] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1372] exit_group(0) = ? [pid 1372] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1372, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1373 ./strace-static-x86_64: Process 1373 attached [pid 1373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1373] setpgid(0, 0) = 0 [pid 1373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1373] write(3, "1000", 4) = 4 [pid 1373] close(3) = 0 [pid 1373] memfd_create("syzkaller", 0) = 3 [pid 1373] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1373] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1373] munmap(0x7f26a8533000, 131072) = 0 [pid 1373] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1373] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1373] ioctl(4, LOOP_CLR_FD) = 0 [pid 1373] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1373] close(4) = 0 [pid 1373] close(3) = 0 [pid 1373] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1373] open("./file0", O_RDONLY) = 3 [pid 1373] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1373] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1373] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1373] exit_group(0) = ? [pid 1373] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1373, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1374 ./strace-static-x86_64: Process 1374 attached [pid 1374] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1374] setpgid(0, 0) = 0 [pid 1374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1374] write(3, "1000", 4) = 4 [pid 1374] close(3) = 0 [pid 1374] memfd_create("syzkaller", 0) = 3 [pid 1374] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1374] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1374] munmap(0x7f26a8533000, 131072) = 0 [pid 1374] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1374] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1374] ioctl(4, LOOP_CLR_FD) = 0 [pid 1374] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1374] close(4) = 0 [pid 1374] close(3) = 0 [pid 1374] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1374] open("./file0", O_RDONLY) = 3 [pid 1374] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1374] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1374] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1374] exit_group(0) = ? [pid 1374] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1374, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1375 ./strace-static-x86_64: Process 1375 attached [pid 1375] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1375] setpgid(0, 0) = 0 [pid 1375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1375] write(3, "1000", 4) = 4 [pid 1375] close(3) = 0 [pid 1375] memfd_create("syzkaller", 0) = 3 [pid 1375] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1375] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1375] munmap(0x7f26a8533000, 131072) = 0 [pid 1375] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1375] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1375] ioctl(4, LOOP_CLR_FD) = 0 [pid 1375] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1375] close(4) = 0 [pid 1375] close(3) = 0 [pid 1375] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1375] open("./file0", O_RDONLY) = 3 [pid 1375] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1375] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1375] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1375] exit_group(0) = ? [pid 1375] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1375, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1376 ./strace-static-x86_64: Process 1376 attached [pid 1376] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1376] setpgid(0, 0) = 0 [pid 1376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1376] write(3, "1000", 4) = 4 [pid 1376] close(3) = 0 [pid 1376] memfd_create("syzkaller", 0) = 3 [pid 1376] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1376] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1376] munmap(0x7f26a8533000, 131072) = 0 [pid 1376] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1376] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1376] ioctl(4, LOOP_CLR_FD) = 0 [pid 1376] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1376] close(4) = 0 [pid 1376] close(3) = 0 [pid 1376] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1376] open("./file0", O_RDONLY) = 3 [pid 1376] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1376] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1376] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1376] exit_group(0) = ? [pid 1376] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1376, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1377 ./strace-static-x86_64: Process 1377 attached [pid 1377] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1377] setpgid(0, 0) = 0 [pid 1377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1377] write(3, "1000", 4) = 4 [pid 1377] close(3) = 0 [pid 1377] memfd_create("syzkaller", 0) = 3 [pid 1377] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1377] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1377] munmap(0x7f26a8533000, 131072) = 0 [pid 1377] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1377] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1377] ioctl(4, LOOP_CLR_FD) = 0 [pid 1377] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1377] close(4) = 0 [pid 1377] close(3) = 0 [pid 1377] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1377] open("./file0", O_RDONLY) = 3 [pid 1377] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1377] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1377] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1377] exit_group(0) = ? [pid 1377] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1377, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1378 ./strace-static-x86_64: Process 1378 attached [pid 1378] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1378] setpgid(0, 0) = 0 [pid 1378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1378] write(3, "1000", 4) = 4 [pid 1378] close(3) = 0 [pid 1378] memfd_create("syzkaller", 0) = 3 [pid 1378] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1378] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1378] munmap(0x7f26a8533000, 131072) = 0 [pid 1378] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1378] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1378] ioctl(4, LOOP_CLR_FD) = 0 [pid 1378] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1378] close(4) = 0 [pid 1378] close(3) = 0 [pid 1378] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1378] open("./file0", O_RDONLY) = 3 [pid 1378] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1378] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1378] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1378] exit_group(0) = ? [pid 1378] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1378, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1379 ./strace-static-x86_64: Process 1379 attached [pid 1379] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1379] setpgid(0, 0) = 0 [pid 1379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1379] write(3, "1000", 4) = 4 [pid 1379] close(3) = 0 [pid 1379] memfd_create("syzkaller", 0) = 3 [pid 1379] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1379] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1379] munmap(0x7f26a8533000, 131072) = 0 [pid 1379] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1379] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1379] ioctl(4, LOOP_CLR_FD) = 0 [pid 1379] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1379] close(4) = 0 [pid 1379] close(3) = 0 [pid 1379] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1379] open("./file0", O_RDONLY) = 3 [pid 1379] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1379] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1379] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1379] exit_group(0) = ? [pid 1379] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1379, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1380 ./strace-static-x86_64: Process 1380 attached [pid 1380] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1380] setpgid(0, 0) = 0 [pid 1380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1380] write(3, "1000", 4) = 4 [pid 1380] close(3) = 0 [pid 1380] memfd_create("syzkaller", 0) = 3 [pid 1380] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1380] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1380] munmap(0x7f26a8533000, 131072) = 0 [pid 1380] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1380] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1380] ioctl(4, LOOP_CLR_FD) = 0 [pid 1380] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1380] close(4) = 0 [pid 1380] close(3) = 0 [pid 1380] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1380] open("./file0", O_RDONLY) = 3 [pid 1380] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1380] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1380] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1380] exit_group(0) = ? [pid 1380] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1380, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1381 ./strace-static-x86_64: Process 1381 attached [pid 1381] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1381] setpgid(0, 0) = 0 [pid 1381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1381] write(3, "1000", 4) = 4 [pid 1381] close(3) = 0 [pid 1381] memfd_create("syzkaller", 0) = 3 [pid 1381] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1381] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1381] munmap(0x7f26a8533000, 131072) = 0 [pid 1381] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1381] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1381] ioctl(4, LOOP_CLR_FD) = 0 [pid 1381] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1381] close(4) = 0 [pid 1381] close(3) = 0 [pid 1381] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1381] open("./file0", O_RDONLY) = 3 [pid 1381] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1381] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1381] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1381] exit_group(0) = ? [pid 1381] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1381, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1382 attached , child_tidptr=0x555556e0f5d0) = 1382 [pid 1382] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1382] setpgid(0, 0) = 0 [pid 1382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1382] write(3, "1000", 4) = 4 [pid 1382] close(3) = 0 [pid 1382] memfd_create("syzkaller", 0) = 3 [pid 1382] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1382] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1382] munmap(0x7f26a8533000, 131072) = 0 [pid 1382] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1382] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1382] ioctl(4, LOOP_CLR_FD) = 0 [pid 1382] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1382] close(4) = 0 [pid 1382] close(3) = 0 [pid 1382] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1382] open("./file0", O_RDONLY) = 3 [pid 1382] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1382] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1382] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1382] exit_group(0) = ? [pid 1382] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1382, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1383 ./strace-static-x86_64: Process 1383 attached [pid 1383] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1383] setpgid(0, 0) = 0 [pid 1383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1383] write(3, "1000", 4) = 4 [pid 1383] close(3) = 0 [pid 1383] memfd_create("syzkaller", 0) = 3 [pid 1383] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1383] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1383] munmap(0x7f26a8533000, 131072) = 0 [pid 1383] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1383] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1383] ioctl(4, LOOP_CLR_FD) = 0 [pid 1383] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1383] close(4) = 0 [pid 1383] close(3) = 0 [pid 1383] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1383] open("./file0", O_RDONLY) = 3 [pid 1383] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1383] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1383] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1383] exit_group(0) = ? [pid 1383] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1383, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1384 attached , child_tidptr=0x555556e0f5d0) = 1384 [pid 1384] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1384] setpgid(0, 0) = 0 [pid 1384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1384] write(3, "1000", 4) = 4 [pid 1384] close(3) = 0 [pid 1384] memfd_create("syzkaller", 0) = 3 [pid 1384] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1384] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1384] munmap(0x7f26a8533000, 131072) = 0 [pid 1384] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1384] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1384] ioctl(4, LOOP_CLR_FD) = 0 [pid 1384] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1384] close(4) = 0 [pid 1384] close(3) = 0 [pid 1384] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1384] open("./file0", O_RDONLY) = 3 [pid 1384] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1384] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1384] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1384] exit_group(0) = ? [pid 1384] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1384, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1385 ./strace-static-x86_64: Process 1385 attached [pid 1385] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1385] setpgid(0, 0) = 0 [pid 1385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1385] write(3, "1000", 4) = 4 [pid 1385] close(3) = 0 [pid 1385] memfd_create("syzkaller", 0) = 3 [pid 1385] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1385] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1385] munmap(0x7f26a8533000, 131072) = 0 [pid 1385] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1385] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1385] ioctl(4, LOOP_CLR_FD) = 0 [pid 1385] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1385] close(4) = 0 [pid 1385] close(3) = 0 [pid 1385] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1385] open("./file0", O_RDONLY) = 3 [pid 1385] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1385] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1385] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1385] exit_group(0) = ? [pid 1385] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1385, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1386 ./strace-static-x86_64: Process 1386 attached [pid 1386] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1386] setpgid(0, 0) = 0 [pid 1386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1386] write(3, "1000", 4) = 4 [pid 1386] close(3) = 0 [pid 1386] memfd_create("syzkaller", 0) = 3 [pid 1386] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1386] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1386] munmap(0x7f26a8533000, 131072) = 0 [pid 1386] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1386] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1386] ioctl(4, LOOP_CLR_FD) = 0 [pid 1386] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1386] close(4) = 0 [pid 1386] close(3) = 0 [pid 1386] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1386] open("./file0", O_RDONLY) = 3 [pid 1386] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1386] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1386] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1386] exit_group(0) = ? [pid 1386] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1386, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1387 ./strace-static-x86_64: Process 1387 attached [pid 1387] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1387] setpgid(0, 0) = 0 [pid 1387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1387] write(3, "1000", 4) = 4 [pid 1387] close(3) = 0 [pid 1387] memfd_create("syzkaller", 0) = 3 [pid 1387] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1387] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1387] munmap(0x7f26a8533000, 131072) = 0 [pid 1387] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1387] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1387] ioctl(4, LOOP_CLR_FD) = 0 [pid 1387] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1387] close(4) = 0 [pid 1387] close(3) = 0 [pid 1387] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1387] open("./file0", O_RDONLY) = 3 [pid 1387] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1387] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1387] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1387] exit_group(0) = ? [pid 1387] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1387, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1388 ./strace-static-x86_64: Process 1388 attached [pid 1388] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1388] setpgid(0, 0) = 0 [pid 1388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1388] write(3, "1000", 4) = 4 [pid 1388] close(3) = 0 [pid 1388] memfd_create("syzkaller", 0) = 3 [pid 1388] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1388] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1388] munmap(0x7f26a8533000, 131072) = 0 [pid 1388] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1388] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1388] ioctl(4, LOOP_CLR_FD) = 0 [pid 1388] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1388] close(4) = 0 [pid 1388] close(3) = 0 [pid 1388] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1388] open("./file0", O_RDONLY) = 3 [pid 1388] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1388] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1388] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1388] exit_group(0) = ? [pid 1388] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1388, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1389 ./strace-static-x86_64: Process 1389 attached [pid 1389] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1389] setpgid(0, 0) = 0 [pid 1389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1389] write(3, "1000", 4) = 4 [pid 1389] close(3) = 0 [pid 1389] memfd_create("syzkaller", 0) = 3 [pid 1389] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1389] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1389] munmap(0x7f26a8533000, 131072) = 0 [pid 1389] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1389] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1389] ioctl(4, LOOP_CLR_FD) = 0 [pid 1389] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1389] close(4) = 0 [pid 1389] close(3) = 0 [pid 1389] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1389] open("./file0", O_RDONLY) = 3 [pid 1389] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1389] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1389] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1389] exit_group(0) = ? [pid 1389] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1389, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1390 ./strace-static-x86_64: Process 1390 attached [pid 1390] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1390] setpgid(0, 0) = 0 [pid 1390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1390] write(3, "1000", 4) = 4 [pid 1390] close(3) = 0 [pid 1390] memfd_create("syzkaller", 0) = 3 [pid 1390] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1390] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1390] munmap(0x7f26a8533000, 131072) = 0 [pid 1390] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1390] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1390] ioctl(4, LOOP_CLR_FD) = 0 [pid 1390] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1390] close(4) = 0 [pid 1390] close(3) = 0 [pid 1390] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1390] open("./file0", O_RDONLY) = 3 [pid 1390] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1390] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1390] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1390] exit_group(0) = ? [pid 1390] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1390, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1391 ./strace-static-x86_64: Process 1391 attached [pid 1391] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1391] setpgid(0, 0) = 0 [pid 1391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1391] write(3, "1000", 4) = 4 [pid 1391] close(3) = 0 [pid 1391] memfd_create("syzkaller", 0) = 3 [pid 1391] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1391] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1391] munmap(0x7f26a8533000, 131072) = 0 [pid 1391] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1391] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1391] ioctl(4, LOOP_CLR_FD) = 0 [pid 1391] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1391] close(4) = 0 [pid 1391] close(3) = 0 [pid 1391] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1391] open("./file0", O_RDONLY) = 3 [pid 1391] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1391] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1391] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1391] exit_group(0) = ? [pid 1391] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1391, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1392 ./strace-static-x86_64: Process 1392 attached [pid 1392] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1392] setpgid(0, 0) = 0 [pid 1392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1392] write(3, "1000", 4) = 4 [pid 1392] close(3) = 0 [pid 1392] memfd_create("syzkaller", 0) = 3 [pid 1392] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1392] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1392] munmap(0x7f26a8533000, 131072) = 0 [pid 1392] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1392] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1392] ioctl(4, LOOP_CLR_FD) = 0 [pid 1392] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1392] close(4) = 0 [pid 1392] close(3) = 0 [pid 1392] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1392] open("./file0", O_RDONLY) = 3 [pid 1392] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1392] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1392] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1392] exit_group(0) = ? [pid 1392] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1392, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1393 ./strace-static-x86_64: Process 1393 attached [pid 1393] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1393] setpgid(0, 0) = 0 [pid 1393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1393] write(3, "1000", 4) = 4 [pid 1393] close(3) = 0 [pid 1393] memfd_create("syzkaller", 0) = 3 [pid 1393] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1393] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1393] munmap(0x7f26a8533000, 131072) = 0 [pid 1393] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1393] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1393] ioctl(4, LOOP_CLR_FD) = 0 [pid 1393] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1393] close(4) = 0 [pid 1393] close(3) = 0 [pid 1393] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1393] open("./file0", O_RDONLY) = 3 [pid 1393] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1393] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1393] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1393] exit_group(0) = ? [pid 1393] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1393, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1394 ./strace-static-x86_64: Process 1394 attached [pid 1394] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1394] setpgid(0, 0) = 0 [pid 1394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1394] write(3, "1000", 4) = 4 [pid 1394] close(3) = 0 [pid 1394] memfd_create("syzkaller", 0) = 3 [pid 1394] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1394] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1394] munmap(0x7f26a8533000, 131072) = 0 [pid 1394] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1394] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1394] ioctl(4, LOOP_CLR_FD) = 0 [pid 1394] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1394] close(4) = 0 [pid 1394] close(3) = 0 [pid 1394] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1394] open("./file0", O_RDONLY) = 3 [pid 1394] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1394] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1394] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1394] exit_group(0) = ? [pid 1394] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1394, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1395 ./strace-static-x86_64: Process 1395 attached [pid 1395] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1395] setpgid(0, 0) = 0 [pid 1395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1395] write(3, "1000", 4) = 4 [pid 1395] close(3) = 0 [pid 1395] memfd_create("syzkaller", 0) = 3 [pid 1395] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1395] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1395] munmap(0x7f26a8533000, 131072) = 0 [pid 1395] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1395] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1395] ioctl(4, LOOP_CLR_FD) = 0 [pid 1395] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1395] close(4) = 0 [pid 1395] close(3) = 0 [pid 1395] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1395] open("./file0", O_RDONLY) = 3 [pid 1395] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1395] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1395] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1395] exit_group(0) = ? [pid 1395] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1395, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1396 ./strace-static-x86_64: Process 1396 attached [pid 1396] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1396] setpgid(0, 0) = 0 [pid 1396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1396] write(3, "1000", 4) = 4 [pid 1396] close(3) = 0 [pid 1396] memfd_create("syzkaller", 0) = 3 [pid 1396] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1396] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1396] munmap(0x7f26a8533000, 131072) = 0 [pid 1396] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1396] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1396] ioctl(4, LOOP_CLR_FD) = 0 [pid 1396] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1396] close(4) = 0 [pid 1396] close(3) = 0 [pid 1396] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1396] open("./file0", O_RDONLY) = 3 [pid 1396] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1396] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1396] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1396] exit_group(0) = ? [pid 1396] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1396, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1397 ./strace-static-x86_64: Process 1397 attached [pid 1397] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1397] setpgid(0, 0) = 0 [pid 1397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1397] write(3, "1000", 4) = 4 [pid 1397] close(3) = 0 [pid 1397] memfd_create("syzkaller", 0) = 3 [pid 1397] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1397] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1397] munmap(0x7f26a8533000, 131072) = 0 [pid 1397] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1397] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1397] ioctl(4, LOOP_CLR_FD) = 0 [pid 1397] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1397] close(4) = 0 [pid 1397] close(3) = 0 [pid 1397] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1397] open("./file0", O_RDONLY) = 3 [pid 1397] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1397] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1397] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1397] exit_group(0) = ? [pid 1397] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1397, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1398 ./strace-static-x86_64: Process 1398 attached [pid 1398] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1398] setpgid(0, 0) = 0 [pid 1398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1398] write(3, "1000", 4) = 4 [pid 1398] close(3) = 0 [pid 1398] memfd_create("syzkaller", 0) = 3 [pid 1398] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1398] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1398] munmap(0x7f26a8533000, 131072) = 0 [pid 1398] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1398] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1398] ioctl(4, LOOP_CLR_FD) = 0 [pid 1398] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1398] close(4) = 0 [pid 1398] close(3) = 0 [pid 1398] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1398] open("./file0", O_RDONLY) = 3 [pid 1398] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1398] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1398] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1398] exit_group(0) = ? [pid 1398] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1398, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1399 ./strace-static-x86_64: Process 1399 attached [pid 1399] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1399] setpgid(0, 0) = 0 [pid 1399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1399] write(3, "1000", 4) = 4 [pid 1399] close(3) = 0 [pid 1399] memfd_create("syzkaller", 0) = 3 [pid 1399] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1399] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1399] munmap(0x7f26a8533000, 131072) = 0 [pid 1399] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1399] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1399] ioctl(4, LOOP_CLR_FD) = 0 [pid 1399] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1399] close(4) = 0 [pid 1399] close(3) = 0 [pid 1399] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1399] open("./file0", O_RDONLY) = 3 [pid 1399] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1399] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1399] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1399] exit_group(0) = ? [pid 1399] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1399, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1400 ./strace-static-x86_64: Process 1400 attached [pid 1400] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1400] setpgid(0, 0) = 0 [pid 1400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1400] write(3, "1000", 4) = 4 [pid 1400] close(3) = 0 [pid 1400] memfd_create("syzkaller", 0) = 3 [pid 1400] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1400] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1400] munmap(0x7f26a8533000, 131072) = 0 [pid 1400] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1400] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1400] ioctl(4, LOOP_CLR_FD) = 0 [pid 1400] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1400] close(4) = 0 [pid 1400] close(3) = 0 [pid 1400] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1400] open("./file0", O_RDONLY) = 3 [pid 1400] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1400] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1400] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1400] exit_group(0) = ? [pid 1400] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1400, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1401 ./strace-static-x86_64: Process 1401 attached [pid 1401] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1401] setpgid(0, 0) = 0 [pid 1401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1401] write(3, "1000", 4) = 4 [pid 1401] close(3) = 0 [pid 1401] memfd_create("syzkaller", 0) = 3 [pid 1401] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1401] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1401] munmap(0x7f26a8533000, 131072) = 0 [pid 1401] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1401] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1401] ioctl(4, LOOP_CLR_FD) = 0 [pid 1401] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1401] close(4) = 0 [pid 1401] close(3) = 0 [pid 1401] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1401] open("./file0", O_RDONLY) = 3 [pid 1401] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1401] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1401] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1401] exit_group(0) = ? [pid 1401] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1401, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1402 ./strace-static-x86_64: Process 1402 attached [pid 1402] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1402] setpgid(0, 0) = 0 [pid 1402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1402] write(3, "1000", 4) = 4 [pid 1402] close(3) = 0 [pid 1402] memfd_create("syzkaller", 0) = 3 [pid 1402] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1402] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1402] munmap(0x7f26a8533000, 131072) = 0 [pid 1402] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1402] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1402] ioctl(4, LOOP_CLR_FD) = 0 [pid 1402] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1402] close(4) = 0 [pid 1402] close(3) = 0 [pid 1402] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1402] open("./file0", O_RDONLY) = 3 [pid 1402] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1402] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1402] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1402] exit_group(0) = ? [pid 1402] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1402, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1403 ./strace-static-x86_64: Process 1403 attached [pid 1403] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1403] setpgid(0, 0) = 0 [pid 1403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1403] write(3, "1000", 4) = 4 [pid 1403] close(3) = 0 [pid 1403] memfd_create("syzkaller", 0) = 3 [pid 1403] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1403] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1403] munmap(0x7f26a8533000, 131072) = 0 [pid 1403] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1403] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1403] ioctl(4, LOOP_CLR_FD) = 0 [pid 1403] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1403] close(4) = 0 [pid 1403] close(3) = 0 [pid 1403] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1403] open("./file0", O_RDONLY) = 3 [pid 1403] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1403] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1403] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1403] exit_group(0) = ? [pid 1403] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1403, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1404 ./strace-static-x86_64: Process 1404 attached [pid 1404] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1404] setpgid(0, 0) = 0 [pid 1404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1404] write(3, "1000", 4) = 4 [pid 1404] close(3) = 0 [pid 1404] memfd_create("syzkaller", 0) = 3 [pid 1404] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1404] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1404] munmap(0x7f26a8533000, 131072) = 0 [pid 1404] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1404] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1404] ioctl(4, LOOP_CLR_FD) = 0 [pid 1404] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1404] close(4) = 0 [pid 1404] close(3) = 0 [pid 1404] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1404] open("./file0", O_RDONLY) = 3 [pid 1404] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1404] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1404] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1404] exit_group(0) = ? [pid 1404] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1404, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1405 attached , child_tidptr=0x555556e0f5d0) = 1405 [pid 1405] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1405] setpgid(0, 0) = 0 [pid 1405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1405] write(3, "1000", 4) = 4 [pid 1405] close(3) = 0 [pid 1405] memfd_create("syzkaller", 0) = 3 [pid 1405] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1405] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1405] munmap(0x7f26a8533000, 131072) = 0 [pid 1405] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1405] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1405] ioctl(4, LOOP_CLR_FD) = 0 [pid 1405] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1405] close(4) = 0 [pid 1405] close(3) = 0 [pid 1405] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1405] open("./file0", O_RDONLY) = 3 [pid 1405] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1405] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1405] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1405] exit_group(0) = ? [pid 1405] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1405, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1406 ./strace-static-x86_64: Process 1406 attached [pid 1406] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1406] setpgid(0, 0) = 0 [pid 1406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1406] write(3, "1000", 4) = 4 [pid 1406] close(3) = 0 [pid 1406] memfd_create("syzkaller", 0) = 3 [pid 1406] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1406] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1406] munmap(0x7f26a8533000, 131072) = 0 [pid 1406] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1406] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1406] ioctl(4, LOOP_CLR_FD) = 0 [pid 1406] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1406] close(4) = 0 [pid 1406] close(3) = 0 [pid 1406] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1406] open("./file0", O_RDONLY) = 3 [pid 1406] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1406] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1406] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1406] exit_group(0) = ? [pid 1406] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1406, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1407 attached , child_tidptr=0x555556e0f5d0) = 1407 [pid 1407] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1407] setpgid(0, 0) = 0 [pid 1407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1407] write(3, "1000", 4) = 4 [pid 1407] close(3) = 0 [pid 1407] memfd_create("syzkaller", 0) = 3 [pid 1407] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1407] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1407] munmap(0x7f26a8533000, 131072) = 0 [pid 1407] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1407] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1407] ioctl(4, LOOP_CLR_FD) = 0 [pid 1407] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1407] close(4) = 0 [pid 1407] close(3) = 0 [pid 1407] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1407] open("./file0", O_RDONLY) = 3 [pid 1407] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1407] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1407] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1407] exit_group(0) = ? [pid 1407] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1407, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1408 ./strace-static-x86_64: Process 1408 attached [pid 1408] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1408] setpgid(0, 0) = 0 [pid 1408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1408] write(3, "1000", 4) = 4 [pid 1408] close(3) = 0 [pid 1408] memfd_create("syzkaller", 0) = 3 [pid 1408] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1408] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1408] munmap(0x7f26a8533000, 131072) = 0 [pid 1408] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1408] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1408] ioctl(4, LOOP_CLR_FD) = 0 [pid 1408] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1408] close(4) = 0 [pid 1408] close(3) = 0 [pid 1408] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1408] open("./file0", O_RDONLY) = 3 [pid 1408] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1408] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1408] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1408] exit_group(0) = ? [pid 1408] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1408, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1409 attached , child_tidptr=0x555556e0f5d0) = 1409 [pid 1409] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1409] setpgid(0, 0) = 0 [pid 1409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1409] write(3, "1000", 4) = 4 [pid 1409] close(3) = 0 [pid 1409] memfd_create("syzkaller", 0) = 3 [pid 1409] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1409] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1409] munmap(0x7f26a8533000, 131072) = 0 [pid 1409] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1409] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1409] ioctl(4, LOOP_CLR_FD) = 0 [pid 1409] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1409] close(4) = 0 [pid 1409] close(3) = 0 [pid 1409] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1409] open("./file0", O_RDONLY) = 3 [pid 1409] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1409] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1409] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1409] exit_group(0) = ? [pid 1409] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1409, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1410 ./strace-static-x86_64: Process 1410 attached [pid 1410] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1410] setpgid(0, 0) = 0 [pid 1410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1410] write(3, "1000", 4) = 4 [pid 1410] close(3) = 0 [pid 1410] memfd_create("syzkaller", 0) = 3 [pid 1410] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1410] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1410] munmap(0x7f26a8533000, 131072) = 0 [pid 1410] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1410] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1410] ioctl(4, LOOP_CLR_FD) = 0 [pid 1410] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1410] close(4) = 0 [pid 1410] close(3) = 0 [pid 1410] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1410] open("./file0", O_RDONLY) = 3 [pid 1410] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1410] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1410] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1410] exit_group(0) = ? [pid 1410] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1410, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1411 ./strace-static-x86_64: Process 1411 attached [pid 1411] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1411] setpgid(0, 0) = 0 [pid 1411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1411] write(3, "1000", 4) = 4 [pid 1411] close(3) = 0 [pid 1411] memfd_create("syzkaller", 0) = 3 [pid 1411] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1411] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1411] munmap(0x7f26a8533000, 131072) = 0 [pid 1411] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1411] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1411] ioctl(4, LOOP_CLR_FD) = 0 [pid 1411] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1411] close(4) = 0 [pid 1411] close(3) = 0 [pid 1411] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1411] open("./file0", O_RDONLY) = 3 [pid 1411] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1411] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1411] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1411] exit_group(0) = ? [pid 1411] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1411, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1412 ./strace-static-x86_64: Process 1412 attached [pid 1412] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1412] setpgid(0, 0) = 0 [pid 1412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1412] write(3, "1000", 4) = 4 [pid 1412] close(3) = 0 [pid 1412] memfd_create("syzkaller", 0) = 3 [pid 1412] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1412] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1412] munmap(0x7f26a8533000, 131072) = 0 [pid 1412] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1412] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1412] ioctl(4, LOOP_CLR_FD) = 0 [pid 1412] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1412] close(4) = 0 [pid 1412] close(3) = 0 [pid 1412] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1412] open("./file0", O_RDONLY) = 3 [pid 1412] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1412] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1412] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1412] exit_group(0) = ? [pid 1412] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1412, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1413 ./strace-static-x86_64: Process 1413 attached [pid 1413] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1413] setpgid(0, 0) = 0 [pid 1413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1413] write(3, "1000", 4) = 4 [pid 1413] close(3) = 0 [pid 1413] memfd_create("syzkaller", 0) = 3 [pid 1413] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1413] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1413] munmap(0x7f26a8533000, 131072) = 0 [pid 1413] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1413] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1413] ioctl(4, LOOP_CLR_FD) = 0 [pid 1413] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1413] close(4) = 0 [pid 1413] close(3) = 0 [pid 1413] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1413] open("./file0", O_RDONLY) = 3 [pid 1413] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1413] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1413] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1413] exit_group(0) = ? [pid 1413] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1413, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1414 ./strace-static-x86_64: Process 1414 attached [pid 1414] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1414] setpgid(0, 0) = 0 [pid 1414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1414] write(3, "1000", 4) = 4 [pid 1414] close(3) = 0 [pid 1414] memfd_create("syzkaller", 0) = 3 [pid 1414] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1414] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1414] munmap(0x7f26a8533000, 131072) = 0 [pid 1414] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1414] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1414] ioctl(4, LOOP_CLR_FD) = 0 [pid 1414] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1414] close(4) = 0 [pid 1414] close(3) = 0 [pid 1414] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1414] open("./file0", O_RDONLY) = 3 [pid 1414] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1414] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1414] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1414] exit_group(0) = ? [pid 1414] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1414, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1415 ./strace-static-x86_64: Process 1415 attached [pid 1415] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1415] setpgid(0, 0) = 0 [pid 1415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1415] write(3, "1000", 4) = 4 [pid 1415] close(3) = 0 [pid 1415] memfd_create("syzkaller", 0) = 3 [pid 1415] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1415] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1415] munmap(0x7f26a8533000, 131072) = 0 [pid 1415] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1415] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1415] ioctl(4, LOOP_CLR_FD) = 0 [pid 1415] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1415] close(4) = 0 [pid 1415] close(3) = 0 [pid 1415] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1415] open("./file0", O_RDONLY) = 3 [pid 1415] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1415] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1415] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1415] exit_group(0) = ? [pid 1415] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1415, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1416 ./strace-static-x86_64: Process 1416 attached [pid 1416] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1416] setpgid(0, 0) = 0 [pid 1416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1416] write(3, "1000", 4) = 4 [pid 1416] close(3) = 0 [pid 1416] memfd_create("syzkaller", 0) = 3 [pid 1416] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1416] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1416] munmap(0x7f26a8533000, 131072) = 0 [pid 1416] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1416] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1416] ioctl(4, LOOP_CLR_FD) = 0 [pid 1416] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1416] close(4) = 0 [pid 1416] close(3) = 0 [pid 1416] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1416] open("./file0", O_RDONLY) = 3 [pid 1416] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1416] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1416] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1416] exit_group(0) = ? [pid 1416] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1416, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1417 ./strace-static-x86_64: Process 1417 attached [pid 1417] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1417] setpgid(0, 0) = 0 [pid 1417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1417] write(3, "1000", 4) = 4 [pid 1417] close(3) = 0 [pid 1417] memfd_create("syzkaller", 0) = 3 [pid 1417] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1417] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1417] munmap(0x7f26a8533000, 131072) = 0 [pid 1417] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1417] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1417] ioctl(4, LOOP_CLR_FD) = 0 [pid 1417] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1417] close(4) = 0 [pid 1417] close(3) = 0 [pid 1417] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1417] open("./file0", O_RDONLY) = 3 [pid 1417] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1417] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1417] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1417] exit_group(0) = ? [pid 1417] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1417, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1418 ./strace-static-x86_64: Process 1418 attached [pid 1418] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1418] setpgid(0, 0) = 0 [pid 1418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1418] write(3, "1000", 4) = 4 [pid 1418] close(3) = 0 [pid 1418] memfd_create("syzkaller", 0) = 3 [pid 1418] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1418] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1418] munmap(0x7f26a8533000, 131072) = 0 [pid 1418] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1418] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1418] ioctl(4, LOOP_CLR_FD) = 0 [pid 1418] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1418] close(4) = 0 [pid 1418] close(3) = 0 [pid 1418] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1418] open("./file0", O_RDONLY) = 3 [pid 1418] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1418] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1418] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1418] exit_group(0) = ? [pid 1418] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1418, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1419 ./strace-static-x86_64: Process 1419 attached [pid 1419] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1419] setpgid(0, 0) = 0 [pid 1419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1419] write(3, "1000", 4) = 4 [pid 1419] close(3) = 0 [pid 1419] memfd_create("syzkaller", 0) = 3 [pid 1419] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1419] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1419] munmap(0x7f26a8533000, 131072) = 0 [pid 1419] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1419] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1419] ioctl(4, LOOP_CLR_FD) = 0 [pid 1419] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1419] close(4) = 0 [pid 1419] close(3) = 0 [pid 1419] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1419] open("./file0", O_RDONLY) = 3 [pid 1419] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1419] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1419] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1419] exit_group(0) = ? [pid 1419] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1419, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1420 attached , child_tidptr=0x555556e0f5d0) = 1420 [pid 1420] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1420] setpgid(0, 0) = 0 [pid 1420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1420] write(3, "1000", 4) = 4 [pid 1420] close(3) = 0 [pid 1420] memfd_create("syzkaller", 0) = 3 [pid 1420] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1420] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1420] munmap(0x7f26a8533000, 131072) = 0 [pid 1420] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1420] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1420] ioctl(4, LOOP_CLR_FD) = 0 [pid 1420] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1420] close(4) = 0 [pid 1420] close(3) = 0 [pid 1420] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1420] open("./file0", O_RDONLY) = 3 [pid 1420] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1420] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1420] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1420] exit_group(0) = ? [pid 1420] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1420, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1421 ./strace-static-x86_64: Process 1421 attached [pid 1421] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1421] setpgid(0, 0) = 0 [pid 1421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1421] write(3, "1000", 4) = 4 [pid 1421] close(3) = 0 [pid 1421] memfd_create("syzkaller", 0) = 3 [pid 1421] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1421] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1421] munmap(0x7f26a8533000, 131072) = 0 [pid 1421] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1421] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1421] ioctl(4, LOOP_CLR_FD) = 0 [pid 1421] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1421] close(4) = 0 [pid 1421] close(3) = 0 [pid 1421] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1421] open("./file0", O_RDONLY) = 3 [pid 1421] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1421] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1421] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1421] exit_group(0) = ? [pid 1421] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1421, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1422 ./strace-static-x86_64: Process 1422 attached [pid 1422] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1422] setpgid(0, 0) = 0 [pid 1422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1422] write(3, "1000", 4) = 4 [pid 1422] close(3) = 0 [pid 1422] memfd_create("syzkaller", 0) = 3 [pid 1422] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1422] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1422] munmap(0x7f26a8533000, 131072) = 0 [pid 1422] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1422] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1422] ioctl(4, LOOP_CLR_FD) = 0 [pid 1422] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1422] close(4) = 0 [pid 1422] close(3) = 0 [pid 1422] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1422] open("./file0", O_RDONLY) = 3 [pid 1422] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1422] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1422] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1422] exit_group(0) = ? [pid 1422] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1422, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1423 ./strace-static-x86_64: Process 1423 attached [pid 1423] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1423] setpgid(0, 0) = 0 [pid 1423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1423] write(3, "1000", 4) = 4 [pid 1423] close(3) = 0 [pid 1423] memfd_create("syzkaller", 0) = 3 [pid 1423] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1423] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1423] munmap(0x7f26a8533000, 131072) = 0 [pid 1423] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1423] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1423] ioctl(4, LOOP_CLR_FD) = 0 [pid 1423] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1423] close(4) = 0 [pid 1423] close(3) = 0 [pid 1423] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1423] open("./file0", O_RDONLY) = 3 [pid 1423] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1423] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1423] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1423] exit_group(0) = ? [pid 1423] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1423, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1424 ./strace-static-x86_64: Process 1424 attached [pid 1424] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1424] setpgid(0, 0) = 0 [pid 1424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1424] write(3, "1000", 4) = 4 [pid 1424] close(3) = 0 [pid 1424] memfd_create("syzkaller", 0) = 3 [pid 1424] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1424] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1424] munmap(0x7f26a8533000, 131072) = 0 [pid 1424] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1424] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1424] ioctl(4, LOOP_CLR_FD) = 0 [pid 1424] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1424] close(4) = 0 [pid 1424] close(3) = 0 [pid 1424] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1424] open("./file0", O_RDONLY) = 3 [pid 1424] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1424] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1424] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1424] exit_group(0) = ? [pid 1424] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1424, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1425 ./strace-static-x86_64: Process 1425 attached [pid 1425] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1425] setpgid(0, 0) = 0 [pid 1425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1425] write(3, "1000", 4) = 4 [pid 1425] close(3) = 0 [pid 1425] memfd_create("syzkaller", 0) = 3 [pid 1425] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1425] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1425] munmap(0x7f26a8533000, 131072) = 0 [pid 1425] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1425] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1425] ioctl(4, LOOP_CLR_FD) = 0 [pid 1425] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1425] close(4) = 0 [pid 1425] close(3) = 0 [pid 1425] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1425] open("./file0", O_RDONLY) = 3 [pid 1425] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1425] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1425] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1425] exit_group(0) = ? [pid 1425] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1425, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1426 ./strace-static-x86_64: Process 1426 attached [pid 1426] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1426] setpgid(0, 0) = 0 [pid 1426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1426] write(3, "1000", 4) = 4 [pid 1426] close(3) = 0 [pid 1426] memfd_create("syzkaller", 0) = 3 [pid 1426] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1426] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1426] munmap(0x7f26a8533000, 131072) = 0 [pid 1426] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1426] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1426] ioctl(4, LOOP_CLR_FD) = 0 [pid 1426] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1426] close(4) = 0 [pid 1426] close(3) = 0 [pid 1426] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1426] open("./file0", O_RDONLY) = 3 [pid 1426] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1426] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1426] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1426] exit_group(0) = ? [pid 1426] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1426, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1427 ./strace-static-x86_64: Process 1427 attached [pid 1427] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1427] setpgid(0, 0) = 0 [pid 1427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1427] write(3, "1000", 4) = 4 [pid 1427] close(3) = 0 [pid 1427] memfd_create("syzkaller", 0) = 3 [pid 1427] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1427] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1427] munmap(0x7f26a8533000, 131072) = 0 [pid 1427] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1427] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1427] ioctl(4, LOOP_CLR_FD) = 0 [pid 1427] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1427] close(4) = 0 [pid 1427] close(3) = 0 [pid 1427] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1427] open("./file0", O_RDONLY) = 3 [pid 1427] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1427] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1427] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1427] exit_group(0) = ? [pid 1427] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1427, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1428 ./strace-static-x86_64: Process 1428 attached [pid 1428] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1428] setpgid(0, 0) = 0 [pid 1428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1428] write(3, "1000", 4) = 4 [pid 1428] close(3) = 0 [pid 1428] memfd_create("syzkaller", 0) = 3 [pid 1428] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1428] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1428] munmap(0x7f26a8533000, 131072) = 0 [pid 1428] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1428] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1428] ioctl(4, LOOP_CLR_FD) = 0 [pid 1428] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1428] close(4) = 0 [pid 1428] close(3) = 0 [pid 1428] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1428] open("./file0", O_RDONLY) = 3 [pid 1428] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1428] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1428] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1428] exit_group(0) = ? [pid 1428] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1428, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1429 ./strace-static-x86_64: Process 1429 attached [pid 1429] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1429] setpgid(0, 0) = 0 [pid 1429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1429] write(3, "1000", 4) = 4 [pid 1429] close(3) = 0 [pid 1429] memfd_create("syzkaller", 0) = 3 [pid 1429] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1429] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1429] munmap(0x7f26a8533000, 131072) = 0 [pid 1429] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1429] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1429] ioctl(4, LOOP_CLR_FD) = 0 [pid 1429] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1429] close(4) = 0 [pid 1429] close(3) = 0 [pid 1429] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1429] open("./file0", O_RDONLY) = 3 [pid 1429] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1429] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1429] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1429] exit_group(0) = ? [pid 1429] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1429, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1430 ./strace-static-x86_64: Process 1430 attached [pid 1430] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1430] setpgid(0, 0) = 0 [pid 1430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1430] write(3, "1000", 4) = 4 [pid 1430] close(3) = 0 [pid 1430] memfd_create("syzkaller", 0) = 3 [pid 1430] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1430] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1430] munmap(0x7f26a8533000, 131072) = 0 [pid 1430] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1430] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1430] ioctl(4, LOOP_CLR_FD) = 0 [pid 1430] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1430] close(4) = 0 [pid 1430] close(3) = 0 [pid 1430] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1430] open("./file0", O_RDONLY) = 3 [pid 1430] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1430] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1430] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1430] exit_group(0) = ? [pid 1430] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1430, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1431 ./strace-static-x86_64: Process 1431 attached [pid 1431] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1431] setpgid(0, 0) = 0 [pid 1431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1431] write(3, "1000", 4) = 4 [pid 1431] close(3) = 0 [pid 1431] memfd_create("syzkaller", 0) = 3 [pid 1431] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1431] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1431] munmap(0x7f26a8533000, 131072) = 0 [pid 1431] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1431] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1431] ioctl(4, LOOP_CLR_FD) = 0 [pid 1431] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1431] close(4) = 0 [pid 1431] close(3) = 0 [pid 1431] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1431] open("./file0", O_RDONLY) = 3 [pid 1431] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1431] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1431] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1431] exit_group(0) = ? [pid 1431] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1431, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1432 ./strace-static-x86_64: Process 1432 attached [pid 1432] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1432] setpgid(0, 0) = 0 [pid 1432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1432] write(3, "1000", 4) = 4 [pid 1432] close(3) = 0 [pid 1432] memfd_create("syzkaller", 0) = 3 [pid 1432] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1432] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1432] munmap(0x7f26a8533000, 131072) = 0 [pid 1432] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1432] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1432] ioctl(4, LOOP_CLR_FD) = 0 [pid 1432] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1432] close(4) = 0 [pid 1432] close(3) = 0 [pid 1432] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1432] open("./file0", O_RDONLY) = 3 [pid 1432] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1432] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1432] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1432] exit_group(0) = ? [pid 1432] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1432, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1433 ./strace-static-x86_64: Process 1433 attached [pid 1433] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1433] setpgid(0, 0) = 0 [pid 1433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1433] write(3, "1000", 4) = 4 [pid 1433] close(3) = 0 [pid 1433] memfd_create("syzkaller", 0) = 3 [pid 1433] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1433] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1433] munmap(0x7f26a8533000, 131072) = 0 [pid 1433] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1433] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1433] ioctl(4, LOOP_CLR_FD) = 0 [pid 1433] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1433] close(4) = 0 [pid 1433] close(3) = 0 [pid 1433] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1433] open("./file0", O_RDONLY) = 3 [pid 1433] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1433] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1433] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1433] exit_group(0) = ? [pid 1433] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1433, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1434 ./strace-static-x86_64: Process 1434 attached [pid 1434] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1434] setpgid(0, 0) = 0 [pid 1434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1434] write(3, "1000", 4) = 4 [pid 1434] close(3) = 0 [pid 1434] memfd_create("syzkaller", 0) = 3 [pid 1434] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1434] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1434] munmap(0x7f26a8533000, 131072) = 0 [pid 1434] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1434] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1434] ioctl(4, LOOP_CLR_FD) = 0 [pid 1434] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1434] close(4) = 0 [pid 1434] close(3) = 0 [pid 1434] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1434] open("./file0", O_RDONLY) = 3 [pid 1434] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1434] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1434] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1434] exit_group(0) = ? [pid 1434] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1434, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1435 ./strace-static-x86_64: Process 1435 attached [pid 1435] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1435] setpgid(0, 0) = 0 [pid 1435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1435] write(3, "1000", 4) = 4 [pid 1435] close(3) = 0 [pid 1435] memfd_create("syzkaller", 0) = 3 [pid 1435] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1435] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1435] munmap(0x7f26a8533000, 131072) = 0 [pid 1435] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1435] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1435] ioctl(4, LOOP_CLR_FD) = 0 [pid 1435] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1435] close(4) = 0 [pid 1435] close(3) = 0 [pid 1435] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1435] open("./file0", O_RDONLY) = 3 [pid 1435] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1435] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1435] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1435] exit_group(0) = ? [pid 1435] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1435, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1436 ./strace-static-x86_64: Process 1436 attached [pid 1436] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1436] setpgid(0, 0) = 0 [pid 1436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1436] write(3, "1000", 4) = 4 [pid 1436] close(3) = 0 [pid 1436] memfd_create("syzkaller", 0) = 3 [pid 1436] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1436] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1436] munmap(0x7f26a8533000, 131072) = 0 [pid 1436] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1436] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1436] ioctl(4, LOOP_CLR_FD) = 0 [pid 1436] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1436] close(4) = 0 [pid 1436] close(3) = 0 [pid 1436] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1436] open("./file0", O_RDONLY) = 3 [pid 1436] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1436] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1436] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1436] exit_group(0) = ? [pid 1436] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1436, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1437 ./strace-static-x86_64: Process 1437 attached [pid 1437] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1437] setpgid(0, 0) = 0 [pid 1437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1437] write(3, "1000", 4) = 4 [pid 1437] close(3) = 0 [pid 1437] memfd_create("syzkaller", 0) = 3 [pid 1437] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1437] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1437] munmap(0x7f26a8533000, 131072) = 0 [pid 1437] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1437] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1437] ioctl(4, LOOP_CLR_FD) = 0 [pid 1437] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1437] close(4) = 0 [pid 1437] close(3) = 0 [pid 1437] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1437] open("./file0", O_RDONLY) = 3 [pid 1437] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1437] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1437] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1437] exit_group(0) = ? [pid 1437] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1437, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1438 ./strace-static-x86_64: Process 1438 attached [pid 1438] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1438] setpgid(0, 0) = 0 [pid 1438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1438] write(3, "1000", 4) = 4 [pid 1438] close(3) = 0 [pid 1438] memfd_create("syzkaller", 0) = 3 [pid 1438] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1438] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1438] munmap(0x7f26a8533000, 131072) = 0 [pid 1438] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1438] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1438] ioctl(4, LOOP_CLR_FD) = 0 [pid 1438] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1438] close(4) = 0 [pid 1438] close(3) = 0 [pid 1438] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1438] open("./file0", O_RDONLY) = 3 [pid 1438] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1438] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1438] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1438] exit_group(0) = ? [pid 1438] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1438, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1439 attached , child_tidptr=0x555556e0f5d0) = 1439 [pid 1439] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1439] setpgid(0, 0) = 0 [pid 1439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1439] write(3, "1000", 4) = 4 [pid 1439] close(3) = 0 [pid 1439] memfd_create("syzkaller", 0) = 3 [pid 1439] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1439] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1439] munmap(0x7f26a8533000, 131072) = 0 [pid 1439] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1439] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1439] ioctl(4, LOOP_CLR_FD) = 0 [pid 1439] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1439] close(4) = 0 [pid 1439] close(3) = 0 [pid 1439] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1439] open("./file0", O_RDONLY) = 3 [pid 1439] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1439] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1439] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1439] exit_group(0) = ? [pid 1439] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1439, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1440 ./strace-static-x86_64: Process 1440 attached [pid 1440] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1440] setpgid(0, 0) = 0 [pid 1440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1440] write(3, "1000", 4) = 4 [pid 1440] close(3) = 0 [pid 1440] memfd_create("syzkaller", 0) = 3 [pid 1440] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1440] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1440] munmap(0x7f26a8533000, 131072) = 0 [pid 1440] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1440] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1440] ioctl(4, LOOP_CLR_FD) = 0 [pid 1440] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1440] close(4) = 0 [pid 1440] close(3) = 0 [pid 1440] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1440] open("./file0", O_RDONLY) = 3 [pid 1440] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1440] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1440] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1440] exit_group(0) = ? [pid 1440] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1440, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1441 ./strace-static-x86_64: Process 1441 attached [pid 1441] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1441] setpgid(0, 0) = 0 [pid 1441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1441] write(3, "1000", 4) = 4 [pid 1441] close(3) = 0 [pid 1441] memfd_create("syzkaller", 0) = 3 [pid 1441] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1441] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1441] munmap(0x7f26a8533000, 131072) = 0 [pid 1441] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1441] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1441] ioctl(4, LOOP_CLR_FD) = 0 [pid 1441] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1441] close(4) = 0 [pid 1441] close(3) = 0 [pid 1441] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1441] open("./file0", O_RDONLY) = 3 [pid 1441] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1441] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1441] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1441] exit_group(0) = ? [pid 1441] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1441, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1442 ./strace-static-x86_64: Process 1442 attached [pid 1442] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1442] setpgid(0, 0) = 0 [pid 1442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1442] write(3, "1000", 4) = 4 [pid 1442] close(3) = 0 [pid 1442] memfd_create("syzkaller", 0) = 3 [pid 1442] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1442] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1442] munmap(0x7f26a8533000, 131072) = 0 [pid 1442] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1442] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1442] ioctl(4, LOOP_CLR_FD) = 0 [pid 1442] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1442] close(4) = 0 [pid 1442] close(3) = 0 [pid 1442] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1442] open("./file0", O_RDONLY) = 3 [pid 1442] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1442] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1442] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1442] exit_group(0) = ? [pid 1442] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1442, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1443 ./strace-static-x86_64: Process 1443 attached [pid 1443] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1443] setpgid(0, 0) = 0 [pid 1443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1443] write(3, "1000", 4) = 4 [pid 1443] close(3) = 0 [pid 1443] memfd_create("syzkaller", 0) = 3 [pid 1443] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1443] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1443] munmap(0x7f26a8533000, 131072) = 0 [pid 1443] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1443] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1443] ioctl(4, LOOP_CLR_FD) = 0 [pid 1443] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1443] close(4) = 0 [pid 1443] close(3) = 0 [pid 1443] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1443] open("./file0", O_RDONLY) = 3 [pid 1443] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1443] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1443] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1443] exit_group(0) = ? [pid 1443] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1443, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1444 ./strace-static-x86_64: Process 1444 attached [pid 1444] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1444] setpgid(0, 0) = 0 [pid 1444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1444] write(3, "1000", 4) = 4 [pid 1444] close(3) = 0 [pid 1444] memfd_create("syzkaller", 0) = 3 [pid 1444] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1444] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1444] munmap(0x7f26a8533000, 131072) = 0 [pid 1444] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1444] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1444] ioctl(4, LOOP_CLR_FD) = 0 [pid 1444] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1444] close(4) = 0 [pid 1444] close(3) = 0 [pid 1444] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1444] open("./file0", O_RDONLY) = 3 [pid 1444] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1444] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1444] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1444] exit_group(0) = ? [pid 1444] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1444, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1446 ./strace-static-x86_64: Process 1446 attached [pid 1446] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1446] setpgid(0, 0) = 0 [pid 1446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1446] write(3, "1000", 4) = 4 [pid 1446] close(3) = 0 [pid 1446] memfd_create("syzkaller", 0) = 3 [pid 1446] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1446] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1446] munmap(0x7f26a8533000, 131072) = 0 [pid 1446] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1446] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1446] ioctl(4, LOOP_CLR_FD) = 0 [pid 1446] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1446] close(4) = 0 [pid 1446] close(3) = 0 [pid 1446] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1446] open("./file0", O_RDONLY) = 3 [pid 1446] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1446] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1446] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1446] exit_group(0) = ? [pid 1446] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1446, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1447 ./strace-static-x86_64: Process 1447 attached [pid 1447] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1447] setpgid(0, 0) = 0 [pid 1447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1447] write(3, "1000", 4) = 4 [pid 1447] close(3) = 0 [pid 1447] memfd_create("syzkaller", 0) = 3 [pid 1447] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1447] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1447] munmap(0x7f26a8533000, 131072) = 0 [pid 1447] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1447] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1447] ioctl(4, LOOP_CLR_FD) = 0 [pid 1447] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1447] close(4) = 0 [pid 1447] close(3) = 0 [pid 1447] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1447] open("./file0", O_RDONLY) = 3 [pid 1447] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1447] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1447] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1447] exit_group(0) = ? [pid 1447] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1447, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1448 ./strace-static-x86_64: Process 1448 attached [pid 1448] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1448] setpgid(0, 0) = 0 [pid 1448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1448] write(3, "1000", 4) = 4 [pid 1448] close(3) = 0 [pid 1448] memfd_create("syzkaller", 0) = 3 [pid 1448] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1448] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1448] munmap(0x7f26a8533000, 131072) = 0 [pid 1448] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1448] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1448] ioctl(4, LOOP_CLR_FD) = 0 [pid 1448] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1448] close(4) = 0 [pid 1448] close(3) = 0 [pid 1448] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1448] open("./file0", O_RDONLY) = 3 [pid 1448] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1448] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1448] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1448] exit_group(0) = ? [pid 1448] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1448, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1449 ./strace-static-x86_64: Process 1449 attached [pid 1449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1449] setpgid(0, 0) = 0 [pid 1449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1449] write(3, "1000", 4) = 4 [pid 1449] close(3) = 0 [pid 1449] memfd_create("syzkaller", 0) = 3 [pid 1449] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1449] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1449] munmap(0x7f26a8533000, 131072) = 0 [pid 1449] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1449] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1449] ioctl(4, LOOP_CLR_FD) = 0 [pid 1449] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1449] close(4) = 0 [pid 1449] close(3) = 0 [pid 1449] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1449] open("./file0", O_RDONLY) = 3 [pid 1449] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1449] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1449] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1449] exit_group(0) = ? [pid 1449] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1449, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1450 ./strace-static-x86_64: Process 1450 attached [pid 1450] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1450] setpgid(0, 0) = 0 [pid 1450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1450] write(3, "1000", 4) = 4 [pid 1450] close(3) = 0 [pid 1450] memfd_create("syzkaller", 0) = 3 [pid 1450] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1450] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1450] munmap(0x7f26a8533000, 131072) = 0 [pid 1450] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1450] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1450] ioctl(4, LOOP_CLR_FD) = 0 [pid 1450] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1450] close(4) = 0 [pid 1450] close(3) = 0 [pid 1450] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1450] open("./file0", O_RDONLY) = 3 [pid 1450] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1450] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1450] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1450] exit_group(0) = ? [pid 1450] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1450, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1451 ./strace-static-x86_64: Process 1451 attached [pid 1451] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1451] setpgid(0, 0) = 0 [pid 1451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1451] write(3, "1000", 4) = 4 [pid 1451] close(3) = 0 [pid 1451] memfd_create("syzkaller", 0) = 3 [pid 1451] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1451] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1451] munmap(0x7f26a8533000, 131072) = 0 [pid 1451] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1451] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1451] ioctl(4, LOOP_CLR_FD) = 0 [pid 1451] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1451] close(4) = 0 [pid 1451] close(3) = 0 [pid 1451] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1451] open("./file0", O_RDONLY) = 3 [pid 1451] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1451] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1451] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1451] exit_group(0) = ? [pid 1451] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1451, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1452 ./strace-static-x86_64: Process 1452 attached [pid 1452] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1452] setpgid(0, 0) = 0 [pid 1452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1452] write(3, "1000", 4) = 4 [pid 1452] close(3) = 0 [pid 1452] memfd_create("syzkaller", 0) = 3 [pid 1452] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1452] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1452] munmap(0x7f26a8533000, 131072) = 0 [pid 1452] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1452] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1452] ioctl(4, LOOP_CLR_FD) = 0 [pid 1452] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1452] close(4) = 0 [pid 1452] close(3) = 0 [pid 1452] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1452] open("./file0", O_RDONLY) = 3 [pid 1452] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1452] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1452] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1452] exit_group(0) = ? [pid 1452] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1452, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1453 ./strace-static-x86_64: Process 1453 attached [pid 1453] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1453] setpgid(0, 0) = 0 [pid 1453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1453] write(3, "1000", 4) = 4 [pid 1453] close(3) = 0 [pid 1453] memfd_create("syzkaller", 0) = 3 [pid 1453] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1453] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1453] munmap(0x7f26a8533000, 131072) = 0 [pid 1453] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1453] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1453] ioctl(4, LOOP_CLR_FD) = 0 [pid 1453] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1453] close(4) = 0 [pid 1453] close(3) = 0 [pid 1453] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1453] open("./file0", O_RDONLY) = 3 [pid 1453] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1453] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1453] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1453] exit_group(0) = ? [pid 1453] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1453, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1454 ./strace-static-x86_64: Process 1454 attached [pid 1454] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1454] setpgid(0, 0) = 0 [pid 1454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1454] write(3, "1000", 4) = 4 [pid 1454] close(3) = 0 [pid 1454] memfd_create("syzkaller", 0) = 3 [pid 1454] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1454] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1454] munmap(0x7f26a8533000, 131072) = 0 [pid 1454] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1454] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1454] ioctl(4, LOOP_CLR_FD) = 0 [pid 1454] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1454] close(4) = 0 [pid 1454] close(3) = 0 [pid 1454] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1454] open("./file0", O_RDONLY) = 3 [pid 1454] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1454] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1454] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1454] exit_group(0) = ? [pid 1454] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1454, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1455 ./strace-static-x86_64: Process 1455 attached [pid 1455] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1455] setpgid(0, 0) = 0 [pid 1455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1455] write(3, "1000", 4) = 4 [pid 1455] close(3) = 0 [pid 1455] memfd_create("syzkaller", 0) = 3 [pid 1455] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1455] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1455] munmap(0x7f26a8533000, 131072) = 0 [pid 1455] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1455] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1455] ioctl(4, LOOP_CLR_FD) = 0 [pid 1455] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1455] close(4) = 0 [pid 1455] close(3) = 0 [pid 1455] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1455] open("./file0", O_RDONLY) = 3 [pid 1455] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1455] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1455] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1455] exit_group(0) = ? [pid 1455] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1455, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1456 ./strace-static-x86_64: Process 1456 attached [pid 1456] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1456] setpgid(0, 0) = 0 [pid 1456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1456] write(3, "1000", 4) = 4 [pid 1456] close(3) = 0 [pid 1456] memfd_create("syzkaller", 0) = 3 [pid 1456] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1456] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1456] munmap(0x7f26a8533000, 131072) = 0 [pid 1456] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1456] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1456] ioctl(4, LOOP_CLR_FD) = 0 [pid 1456] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1456] close(4) = 0 [pid 1456] close(3) = 0 [pid 1456] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1456] open("./file0", O_RDONLY) = 3 [pid 1456] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1456] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1456] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1456] exit_group(0) = ? [pid 1456] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1456, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1457 ./strace-static-x86_64: Process 1457 attached [pid 1457] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1457] setpgid(0, 0) = 0 [pid 1457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1457] write(3, "1000", 4) = 4 [pid 1457] close(3) = 0 [pid 1457] memfd_create("syzkaller", 0) = 3 [pid 1457] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1457] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1457] munmap(0x7f26a8533000, 131072) = 0 [pid 1457] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1457] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1457] ioctl(4, LOOP_CLR_FD) = 0 [pid 1457] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1457] close(4) = 0 [pid 1457] close(3) = 0 [pid 1457] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1457] open("./file0", O_RDONLY) = 3 [pid 1457] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1457] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1457] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1457] exit_group(0) = ? [pid 1457] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1457, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1458 ./strace-static-x86_64: Process 1458 attached [pid 1458] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1458] setpgid(0, 0) = 0 [pid 1458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1458] write(3, "1000", 4) = 4 [pid 1458] close(3) = 0 [pid 1458] memfd_create("syzkaller", 0) = 3 [pid 1458] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1458] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1458] munmap(0x7f26a8533000, 131072) = 0 [pid 1458] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1458] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1458] ioctl(4, LOOP_CLR_FD) = 0 [pid 1458] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1458] close(4) = 0 [pid 1458] close(3) = 0 [pid 1458] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1458] open("./file0", O_RDONLY) = 3 [pid 1458] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1458] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1458] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1458] exit_group(0) = ? [pid 1458] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1458, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1459 ./strace-static-x86_64: Process 1459 attached [pid 1459] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1459] setpgid(0, 0) = 0 [pid 1459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1459] write(3, "1000", 4) = 4 [pid 1459] close(3) = 0 [pid 1459] memfd_create("syzkaller", 0) = 3 [pid 1459] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1459] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1459] munmap(0x7f26a8533000, 131072) = 0 [pid 1459] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1459] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1459] ioctl(4, LOOP_CLR_FD) = 0 [pid 1459] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1459] close(4) = 0 [pid 1459] close(3) = 0 [pid 1459] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1459] open("./file0", O_RDONLY) = 3 [pid 1459] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1459] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1459] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1459] exit_group(0) = ? [pid 1459] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1459, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1460 ./strace-static-x86_64: Process 1460 attached [pid 1460] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1460] setpgid(0, 0) = 0 [pid 1460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1460] write(3, "1000", 4) = 4 [pid 1460] close(3) = 0 [pid 1460] memfd_create("syzkaller", 0) = 3 [pid 1460] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1460] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1460] munmap(0x7f26a8533000, 131072) = 0 [pid 1460] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1460] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1460] ioctl(4, LOOP_CLR_FD) = 0 [pid 1460] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1460] close(4) = 0 [pid 1460] close(3) = 0 [pid 1460] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1460] open("./file0", O_RDONLY) = 3 [pid 1460] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1460] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1460] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1460] exit_group(0) = ? [pid 1460] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1460, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1461 attached , child_tidptr=0x555556e0f5d0) = 1461 [pid 1461] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1461] setpgid(0, 0) = 0 [pid 1461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1461] write(3, "1000", 4) = 4 [pid 1461] close(3) = 0 [pid 1461] memfd_create("syzkaller", 0) = 3 [pid 1461] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1461] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1461] munmap(0x7f26a8533000, 131072) = 0 [pid 1461] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1461] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1461] ioctl(4, LOOP_CLR_FD) = 0 [pid 1461] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1461] close(4) = 0 [pid 1461] close(3) = 0 [pid 1461] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1461] open("./file0", O_RDONLY) = 3 [pid 1461] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1461] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1461] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1461] exit_group(0) = ? [pid 1461] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1461, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1462 attached , child_tidptr=0x555556e0f5d0) = 1462 [pid 1462] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1462] setpgid(0, 0) = 0 [pid 1462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1462] write(3, "1000", 4) = 4 [pid 1462] close(3) = 0 [pid 1462] memfd_create("syzkaller", 0) = 3 [pid 1462] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1462] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1462] munmap(0x7f26a8533000, 131072) = 0 [pid 1462] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1462] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1462] ioctl(4, LOOP_CLR_FD) = 0 [pid 1462] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1462] close(4) = 0 [pid 1462] close(3) = 0 [pid 1462] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1462] open("./file0", O_RDONLY) = 3 [pid 1462] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1462] unlink("./file0") = -1 EISDIR (Is a directory) [ 34.866336][ T1459] syz-executor305 (1459) used greatest stack depth: 22240 bytes left [pid 1462] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1462] exit_group(0) = ? [pid 1462] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1462, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 1463 attached , child_tidptr=0x555556e0f5d0) = 1463 [pid 1463] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1463] setpgid(0, 0) = 0 [pid 1463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1463] write(3, "1000", 4) = 4 [pid 1463] close(3) = 0 [pid 1463] memfd_create("syzkaller", 0) = 3 [pid 1463] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1463] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1463] munmap(0x7f26a8533000, 131072) = 0 [pid 1463] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1463] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1463] ioctl(4, LOOP_CLR_FD) = 0 [pid 1463] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1463] close(4) = 0 [pid 1463] close(3) = 0 [pid 1463] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1463] open("./file0", O_RDONLY) = 3 [pid 1463] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1463] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1463] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1463] exit_group(0) = ? [pid 1463] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1463, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1464 ./strace-static-x86_64: Process 1464 attached [pid 1464] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1464] setpgid(0, 0) = 0 [pid 1464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1464] write(3, "1000", 4) = 4 [pid 1464] close(3) = 0 [pid 1464] memfd_create("syzkaller", 0) = 3 [pid 1464] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1464] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1464] munmap(0x7f26a8533000, 131072) = 0 [pid 1464] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1464] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1464] ioctl(4, LOOP_CLR_FD) = 0 [pid 1464] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1464] close(4) = 0 [pid 1464] close(3) = 0 [pid 1464] open("./file0", O_RDWR|O_CREAT|O_EXCL|O_DIRECT, 000) = -1 EEXIST (File exists) [pid 1464] open("./file0", O_RDONLY) = 3 [pid 1464] write(-1, "\xbb\x8f\x9f\x64\x09\x03\x12\x7a\x53\x52\x7c\x6f\xbf\xe6\x5d\x43\xb0\xe0\x58\x6f\x2d\x40\xc7\xe7\xdf\x58\xca\xc8\x34\x20\xe8\x36\x62\xd6\xe3\x9b\xb6\xd5\x43\x06\x22\x43\x14\x54\xee\xde\xea\xee\x42\x3d\x8f\x21\x0b\xc3\x52\x5f\xa7\x92\x7c\x18\xd5\xfb\xc9\x1a\xb1\x3c\x20\x41\x13\x60\x47\xd8\xda\x93\x75\x93\x4d\x00\xf3\x25\x49\x9b\xfe\x77\x12\x20\x8d\x38\x7d\x41\xc3\x18\x21\xc2\xa2\x2d\x13\x25\xb5\x56"..., 1025) = -1 EBADF (Bad file descriptor) [pid 1464] unlink("./file0") = -1 EISDIR (Is a directory) [pid 1464] sendfile(-1, 3, NULL, 73478) = -1 EBADF (Bad file descriptor) [pid 1464] exit_group(0) = ? [pid 1464] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=1464, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = 0 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556e0f5d0) = 1465 ./strace-static-x86_64: Process 1465 attached [pid 1465] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 1465] setpgid(0, 0) = 0 [pid 1465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 1465] write(3, "1000", 4) = 4 [pid 1465] close(3) = 0 [pid 1465] memfd_create("syzkaller", 0) = 3 [pid 1465] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f26a8533000 [pid 1465] write(3, "\x60\x1c\x6d\x6b\x64\x6f\x73\x66\xe4\x17\x98\x00\x08\x08\x01\x00\x02\x40\x00\x40\x00\xf8\x01\x00\x10\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 131072) = 131072 [pid 1465] munmap(0x7f26a8533000, 131072) = 0 [pid 1465] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 1465] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1465] ioctl(4, LOOP_CLR_FD) = 0 [pid 1465] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 1465] close(4) = 0