./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor388197042 <...> Warning: Permanently added '10.128.0.184' (ED25519) to the list of known hosts. execve("./syz-executor388197042", ["./syz-executor388197042"], 0x7ffe077bea60 /* 10 vars */) = 0 brk(NULL) = 0x555556c1f000 brk(0x555556c1fd00) = 0x555556c1fd00 arch_prctl(ARCH_SET_FS, 0x555556c1f380) = 0 set_tid_address(0x555556c1f650) = 5059 set_robust_list(0x555556c1f660, 24) = 0 rseq(0x555556c1fca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor388197042", 4096) = 27 getrandom("\x4c\xfc\x96\x6c\xa5\xe8\x6d\x57", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556c1fd00 brk(0x555556c40d00) = 0x555556c40d00 brk(0x555556c41000) = 0x555556c41000 mprotect(0x7fae2abb8000, 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 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5060 attached , child_tidptr=0x555556c1f650) = 5060 [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5060] set_robust_list(0x555556c1f660, 24) = 0 ./strace-static-x86_64: Process 5061 attached [pid 5059] <... clone resumed>, child_tidptr=0x555556c1f650) = 5061 [pid 5061] set_robust_list(0x555556c1f660, 24 [pid 5060] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5061] <... set_robust_list resumed>) = 0 [ 79.283525][ T26] audit: type=1400 audit(1700730821.217:83): avc: denied { execmem } for pid=5059 comm="syz-executor388" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 79.305072][ T26] audit: type=1400 audit(1700730821.247:84): avc: denied { append } for pid=4491 comm="syslogd" name="messages" dev="tmpfs" ino=3 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [pid 5061] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5060] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5062 attached [pid 5061] <... openat resumed>) = 3 [pid 5059] <... clone resumed>, child_tidptr=0x555556c1f650) = 5062 [pid 5060] ioctl(3, LOOP_CLR_FD [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5062] set_robust_list(0x555556c1f660, 24 [pid 5061] ioctl(3, LOOP_CLR_FD [pid 5060] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5062] <... set_robust_list resumed>) = 0 [pid 5061] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5062] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 5063 attached ) = 3 [pid 5061] close(3 [pid 5060] close(3 [pid 5059] <... clone resumed>, child_tidptr=0x555556c1f650) = 5063 [ 79.328043][ T26] audit: type=1400 audit(1700730821.247:85): avc: denied { open } for pid=4491 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=3 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 79.351599][ T26] audit: type=1400 audit(1700730821.247:86): avc: denied { getattr } for pid=4491 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=3 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [pid 5063] set_robust_list(0x555556c1f660, 24 [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5063] <... set_robust_list resumed>) = 0 [pid 5062] ioctl(3, LOOP_CLR_FD [pid 5061] <... close resumed>) = 0 [pid 5060] <... close resumed>) = 0 [pid 5062] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5063] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5059] <... clone resumed>, child_tidptr=0x555556c1f650) = 5064 ./strace-static-x86_64: Process 5065 attached ./strace-static-x86_64: Process 5064 attached [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5063] <... openat resumed>) = 3 [pid 5062] close(3 [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5059] <... clone resumed>, child_tidptr=0x555556c1f650) = 5066 ./strace-static-x86_64: Process 5066 attached [pid 5066] set_robust_list(0x555556c1f660, 24) = 0 [pid 5066] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5066] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5066] close(3) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] set_robust_list(0x555556c1f660, 24 [pid 5063] ioctl(3, LOOP_CLR_FD [pid 5062] <... close resumed>) = 0 [pid 5065] set_robust_list(0x555556c1f660, 24 [pid 5061] <... clone resumed>, child_tidptr=0x555556c1f650) = 5065 [pid 5064] <... set_robust_list resumed>) = 0 [pid 5065] <... set_robust_list resumed>) = 0 [pid 5060] <... clone resumed>, child_tidptr=0x555556c1f650) = 5068 [pid 5064] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5064] <... openat resumed>) = 3 [pid 5063] <... ioctl resumed>) = -1 ENXIO (No such device or address) [ 79.375183][ T26] audit: type=1400 audit(1700730821.277:87): avc: denied { read write } for pid=5060 comm="syz-executor388" name="loop0" dev="devtmpfs" ino=648 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 79.403432][ T26] audit: type=1400 audit(1700730821.277:88): avc: denied { open } for pid=5060 comm="syz-executor388" path="/dev/loop0" dev="devtmpfs" ino=648 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5068 attached [pid 5066] <... clone resumed>, child_tidptr=0x555556c1f650) = 5067 ./strace-static-x86_64: Process 5067 attached [pid 5068] set_robust_list(0x555556c1f660, 24 [pid 5067] set_robust_list(0x555556c1f660, 24 [pid 5068] <... set_robust_list resumed>) = 0 [pid 5067] <... set_robust_list resumed>) = 0 [pid 5068] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5067] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5068] <... prctl resumed>) = 0 [pid 5067] <... prctl resumed>) = 0 [pid 5068] setpgid(0, 0 [pid 5067] setpgid(0, 0 [pid 5068] <... setpgid resumed>) = 0 [pid 5067] <... setpgid resumed>) = 0 [pid 5065] setpgid(0, 0 [pid 5064] ioctl(3, LOOP_CLR_FD [pid 5063] close(3 [pid 5065] <... setpgid resumed>) = 0 [pid 5065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5063] <... close resumed>) = 0 [pid 5062] <... clone resumed>, child_tidptr=0x555556c1f650) = 5069 [pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5069 attached ./strace-static-x86_64: Process 5070 attached [pid 5067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5065] <... openat resumed>) = 3 [pid 5064] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5063] <... clone resumed>, child_tidptr=0x555556c1f650) = 5070 [pid 5070] set_robust_list(0x555556c1f660, 24 [pid 5069] set_robust_list(0x555556c1f660, 24 [pid 5067] <... openat resumed>) = 3 [pid 5068] <... openat resumed>) = 3 [pid 5065] write(3, "1000", 4 [pid 5064] close(3 [pid 5070] <... set_robust_list resumed>) = 0 [pid 5069] <... set_robust_list resumed>) = 0 [pid 5067] write(3, "1000", 4 [pid 5065] <... write resumed>) = 4 [pid 5064] <... close resumed>) = 0 [pid 5070] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] close(3 [pid 5064] <... clone resumed>, child_tidptr=0x555556c1f650) = 5072 [pid 5065] <... close resumed>) = 0 [pid 5069] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5070] <... prctl resumed>) = 0 [pid 5067] <... write resumed>) = 4 [pid 5065] openat(AT_FDCWD, "/proc/partitions", O_RDONLY./strace-static-x86_64: Process 5072 attached ) = 3 [pid 5070] setpgid(0, 0 [pid 5072] set_robust_list(0x555556c1f660, 24 [pid 5070] <... setpgid resumed>) = 0 [pid 5069] <... prctl resumed>) = 0 [ 79.430478][ T26] audit: type=1400 audit(1700730821.287:89): avc: denied { ioctl } for pid=5060 comm="syz-executor388" path="/dev/loop0" dev="devtmpfs" ino=648 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [pid 5067] close(3 [pid 5065] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5072] <... set_robust_list resumed>) = 0 [pid 5070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5069] setpgid(0, 0 [pid 5067] <... close resumed>) = 0 [pid 5068] write(3, "1000", 4 [pid 5072] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5070] <... openat resumed>) = 3 [pid 5069] <... setpgid resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5068] <... write resumed>) = 4 [pid 5072] <... prctl resumed>) = 0 [pid 5070] write(3, "1000", 4 [pid 5069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5067] <... openat resumed>) = 3 [pid 5068] close(3 [pid 5065] <... openat resumed>) = 4 [pid 5072] setpgid(0, 0 [pid 5070] <... write resumed>) = 4 [pid 5069] <... openat resumed>) = 3 [pid 5067] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5068] <... close resumed>) = 0 [pid 5065] sendfile(4, 3, [30] [pid 5072] <... setpgid resumed>) = 0 [pid 5070] close(3 [pid 5069] write(3, "1000", 4 [pid 5067] <... openat resumed>) = 4 [pid 5068] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5068] <... openat resumed>) = 3 [pid 5072] <... openat resumed>) = 3 [pid 5072] write(3, "1000", 4 [pid 5068] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4 [pid 5072] <... write resumed>) = 4 [pid 5068] sendfile(4, 3, [30] [pid 5072] close(3) = 0 [pid 5070] <... close resumed>) = 0 [pid 5069] <... write resumed>) = 4 [pid 5067] sendfile(4, 3, [30] [pid 5072] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5070] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5069] close(3 [pid 5070] <... openat resumed>) = 3 [pid 5069] <... close resumed>) = 0 [pid 5072] <... openat resumed>) = 3 [pid 5070] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5069] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5070] <... openat resumed>) = 4 [pid 5070] sendfile(4, 3, [30] [pid 5072] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5069] <... openat resumed>) = 3 [pid 5069] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4 [pid 5069] sendfile(4, 3, [30] [pid 5072] <... openat resumed>) = 4 [ 80.060595][ T5072] syz-executor388 (5072): drop_caches: 1 [ 80.068811][ T5065] syz-executor388 (5065): drop_caches: 1 [ 80.082444][ T5068] syz-executor388 (5068): drop_caches: 1 [ 80.099168][ T5067] syz-executor388 (5067): drop_caches: 1 [ 80.109739][ T5069] syz-executor388 (5069): drop_caches: 1 [ 80.125788][ T5070] syz-executor388 (5070): drop_caches: 1 [pid 5072] sendfile(4, 3, [30] => [640], 610) = 610 [pid 5068] <... sendfile resumed> => [640], 610) = 610 [ 80.435376][ T5068] syz-executor388 (5068): drop_caches: 1 [ 80.446104][ T5072] syz-executor388 (5072): drop_caches: 1 [ 80.449519][ T5065] syz-executor388 (5065): drop_caches: 1 [pid 5068] memfd_create("syzkaller", 0 [pid 5072] memfd_create("syzkaller", 0 [pid 5065] <... sendfile resumed> => [640], 610) = 610 [pid 5068] <... memfd_create resumed>) = 5 [pid 5065] memfd_create("syzkaller", 0 [pid 5068] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fae226e8000 [pid 5070] <... sendfile resumed> => [640], 610) = 610 [pid 5065] <... memfd_create resumed>) = 5 [pid 5072] <... memfd_create resumed>) = 5 [pid 5070] memfd_create("syzkaller", 0 [pid 5069] <... sendfile resumed> => [640], 610) = 610 [pid 5067] <... sendfile resumed> => [640], 610) = 610 [pid 5065] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5072] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5065] <... mmap resumed>) = 0x7fae226e8000 [pid 5072] <... mmap resumed>) = 0x7fae226e8000 [pid 5070] <... memfd_create resumed>) = 5 [pid 5067] memfd_create("syzkaller", 0 [pid 5069] memfd_create("syzkaller", 0 [pid 5070] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fae226e8000 [pid 5067] <... memfd_create resumed>) = 5 [pid 5069] <... memfd_create resumed>) = 5 [pid 5067] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5069] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5067] <... mmap resumed>) = 0x7fae226e8000 [pid 5069] <... mmap resumed>) = 0x7fae226e8000 [ 80.483708][ T5070] syz-executor388 (5070): drop_caches: 1 [ 80.497547][ T5067] syz-executor388 (5067): drop_caches: 1 [ 80.504853][ T5069] syz-executor388 (5069): drop_caches: 1 [pid 5068] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5072] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5065] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5070] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5069] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5068] <... write resumed>) = 2097152 [pid 5067] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5068] munmap(0x7fae226e8000, 138412032) = 0 [pid 5068] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 6 [pid 5068] ioctl(6, LOOP_SET_FD, 5 [pid 5065] <... write resumed>) = 2097152 [pid 5068] <... ioctl resumed>) = 0 [pid 5065] munmap(0x7fae226e8000, 138412032 [pid 5072] <... write resumed>) = 2097152 [pid 5072] munmap(0x7fae226e8000, 138412032 [pid 5067] <... write resumed>) = 2097152 [pid 5068] close(5 [pid 5065] <... munmap resumed>) = 0 [pid 5067] munmap(0x7fae226e8000, 138412032 [pid 5068] <... close resumed>) = 0 [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5068] mkdir("./file1", 0777 [pid 5065] <... openat resumed>) = 6 [pid 5065] ioctl(6, LOOP_SET_FD, 5 [pid 5070] <... write resumed>) = 2097152 [pid 5072] <... munmap resumed>) = 0 [pid 5070] munmap(0x7fae226e8000, 138412032 [pid 5072] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 6 [ 80.673671][ T5068] loop0: detected capacity change from 0 to 4096 [ 80.709111][ T5065] loop1: detected capacity change from 0 to 4096 [pid 5072] ioctl(6, LOOP_SET_FD, 5 [pid 5065] <... ioctl resumed>) = 0 [pid 5065] close(5) = 0 [pid 5069] <... write resumed>) = 2097152 [pid 5065] mkdir("./file1", 0777 [pid 5067] <... munmap resumed>) = 0 [pid 5067] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5069] munmap(0x7fae226e8000, 138412032 [pid 5072] <... ioctl resumed>) = 0 [pid 5070] <... munmap resumed>) = 0 [pid 5067] <... openat resumed>) = 6 [pid 5072] close(5 [pid 5070] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5067] ioctl(6, LOOP_SET_FD, 5 [pid 5072] <... close resumed>) = 0 [pid 5070] <... openat resumed>) = 6 [pid 5069] <... munmap resumed>) = 0 [pid 5070] ioctl(6, LOOP_SET_FD, 5 [pid 5072] mkdir("./file1", 0777 [pid 5069] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5067] <... ioctl resumed>) = 0 [pid 5069] <... openat resumed>) = 6 [pid 5067] close(5) = 0 [pid 5067] mkdir("./file1", 0777 [pid 5069] ioctl(6, LOOP_SET_FD, 5 [pid 5070] <... ioctl resumed>) = 0 [pid 5070] close(5) = 0 [pid 5070] mkdir("./file1", 0777 [pid 5072] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5070] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5069] <... ioctl resumed>) = 0 [pid 5067] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5068] <... mkdir resumed>) = 0 [pid 5065] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5072] mount("/dev/loop4", "./file1", "ntfs", 0, "" [pid 5070] mount("/dev/loop3", "./file1", "ntfs", 0, "" [pid 5069] close(5 [ 80.728834][ T5072] loop4: detected capacity change from 0 to 4096 [ 80.744538][ T5067] loop5: detected capacity change from 0 to 4096 [ 80.749581][ T5070] loop3: detected capacity change from 0 to 4096 [ 80.758484][ T5069] loop2: detected capacity change from 0 to 4096 [pid 5068] mount("/dev/loop0", "./file1", "ntfs", 0, "" [pid 5067] mount("/dev/loop5", "./file1", "ntfs", 0, "" [pid 5065] mount("/dev/loop1", "./file1", "ntfs", 0, "" [pid 5069] <... close resumed>) = 0 [pid 5069] mkdir("./file1", 0777) = -1 EEXIST (File exists) [ 80.773885][ T26] audit: type=1400 audit(1700730822.707:90): avc: denied { mounton } for pid=5068 comm="syz-executor388" path="/root/file1" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 80.812020][ T5068] ntfs: volume version 3.1. [pid 5069] mount("/dev/loop2", "./file1", "ntfs", 0, "" [pid 5068] <... mount resumed>) = 0 [pid 5068] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 5 [pid 5068] chdir("./file1") = 0 [pid 5068] ioctl(6, LOOP_CLR_FD) = 0 [pid 5068] close(6) = 0 [pid 5068] creat("./file1", 000) = 6 [pid 5068] exit_group(0) = ? [pid 5068] +++ exited with 0 +++ [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5068, si_uid=0, si_status=0, si_utime=0, si_stime=32 /* 0.32 s */} --- [pid 5060] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5060] ioctl(3, LOOP_CLR_FD) = 0 [pid 5060] close(3) = 0 [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c1f650) = 5075 [ 80.850239][ T5065] ntfs: volume version 3.1. [ 80.852244][ T26] audit: type=1400 audit(1700730822.777:91): avc: denied { mount } for pid=5068 comm="syz-executor388" name="/" dev="loop0" ino=5 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:dosfs_t tclass=filesystem permissive=1 [ 80.867763][ T5070] ntfs: volume version 3.1. [ 80.886635][ T5067] ntfs: volume version 3.1. ./strace-static-x86_64: Process 5075 attached [pid 5075] set_robust_list(0x555556c1f660, 24) = 0 [pid 5075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5075] setpgid(0, 0) = 0 [pid 5075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5075] write(3, "1000", 4) = 4 [pid 5075] close(3 [pid 5067] <... mount resumed>) = 0 [pid 5065] <... mount resumed>) = 0 [pid 5075] <... close resumed>) = 0 [pid 5067] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5065] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5075] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5070] <... mount resumed>) = 0 [pid 5067] <... openat resumed>) = 5 [pid 5065] <... openat resumed>) = 5 [pid 5075] <... openat resumed>) = 3 [pid 5070] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5069] <... mount resumed>) = 0 [pid 5067] chdir("./file1" [pid 5065] chdir("./file1" [pid 5075] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5070] <... openat resumed>) = 5 [pid 5067] <... chdir resumed>) = 0 [pid 5065] <... chdir resumed>) = 0 [pid 5075] <... openat resumed>) = 4 [pid 5070] chdir("./file1" [pid 5069] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5067] ioctl(6, LOOP_CLR_FD [pid 5065] ioctl(6, LOOP_CLR_FD [pid 5075] sendfile(4, 3, [30] [pid 5070] <... chdir resumed>) = 0 [pid 5069] <... openat resumed>) = 5 [pid 5067] <... ioctl resumed>) = 0 [pid 5065] <... ioctl resumed>) = 0 [pid 5070] ioctl(6, LOOP_CLR_FD [pid 5067] close(6 [pid 5065] close(6 [pid 5070] <... ioctl resumed>) = 0 [pid 5069] chdir("./file1" [pid 5067] <... close resumed>) = 0 [pid 5065] <... close resumed>) = 0 [pid 5070] close(6 [pid 5072] <... mount resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 5069] <... chdir resumed>) = 0 [pid 5067] creat("./file1", 000 [ 80.931870][ T5069] ntfs: volume version 3.1. [ 80.940237][ T5072] ntfs: volume version 3.1. [pid 5065] creat("./file1", 000 [pid 5072] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY [pid 5070] creat("./file1", 000 [pid 5069] ioctl(6, LOOP_CLR_FD [pid 5067] <... creat resumed>) = 6 [pid 5065] <... creat resumed>) = 6 [pid 5072] <... openat resumed>) = 5 [pid 5070] <... creat resumed>) = 6 [pid 5069] <... ioctl resumed>) = 0 [pid 5067] exit_group(0 [pid 5065] exit_group(0 [pid 5072] chdir("./file1" [pid 5070] exit_group(0 [pid 5067] <... exit_group resumed>) = ? [pid 5065] <... exit_group resumed>) = ? [pid 5072] <... chdir resumed>) = 0 [pid 5070] <... exit_group resumed>) = ? [pid 5072] ioctl(6, LOOP_CLR_FD [pid 5070] +++ exited with 0 +++ [pid 5067] +++ exited with 0 +++ [pid 5072] <... ioctl resumed>) = 0 [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5067, si_uid=0, si_status=0, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5072] close(6) = 0 [pid 5072] creat("./file1", 000 [pid 5066] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5066] ioctl(3, LOOP_CLR_FD [pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5070, si_uid=0, si_status=0, si_utime=0, si_stime=32 /* 0.32 s */} --- [pid 5066] <... ioctl resumed>) = 0 [pid 5063] restart_syscall(<... resuming interrupted clone ...> [pid 5066] close(3 [pid 5063] <... restart_syscall resumed>) = 0 [pid 5069] close(6 [pid 5066] <... close resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5072] <... creat resumed>) = 6 [pid 5069] <... close resumed>) = 0 [pid 5072] exit_group(0 [pid 5069] creat("./file1", 000 [pid 5066] <... clone resumed>, child_tidptr=0x555556c1f650) = 5076 [pid 5063] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5072] <... exit_group resumed>) = ? [pid 5069] <... creat resumed>) = 6 [pid 5072] +++ exited with 0 +++ [pid 5063] <... openat resumed>) = 3 [pid 5065] +++ exited with 0 +++ ./strace-static-x86_64: Process 5076 attached [pid 5063] ioctl(3, LOOP_CLR_FD [pid 5076] set_robust_list(0x555556c1f660, 24 [pid 5069] exit_group(0 [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5072, si_uid=0, si_status=0, si_utime=0, si_stime=33 /* 0.33 s */} --- [pid 5063] <... ioctl resumed>) = 0 [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5065, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=35 /* 0.35 s */} --- [pid 5076] <... set_robust_list resumed>) = 0 [pid 5064] restart_syscall(<... resuming interrupted clone ...> [pid 5061] restart_syscall(<... resuming interrupted clone ...> [pid 5063] close(3 [pid 5076] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5064] <... restart_syscall resumed>) = 0 [pid 5061] <... restart_syscall resumed>) = 0 [pid 5076] <... prctl resumed>) = 0 [pid 5063] <... close resumed>) = 0 [pid 5076] setpgid(0, 0 [pid 5069] <... exit_group resumed>) = ? [pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5076] <... setpgid resumed>) = 0 [pid 5064] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5064] <... openat resumed>) = 3 [pid 5061] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5076] <... openat resumed>) = 3 [pid 5064] ioctl(3, LOOP_CLR_FD [pid 5061] <... openat resumed>) = 3 [pid 5064] <... ioctl resumed>) = 0 [pid 5063] <... clone resumed>, child_tidptr=0x555556c1f650) = 5077 [pid 5061] ioctl(3, LOOP_CLR_FD [pid 5076] write(3, "1000", 4 [pid 5064] close(3 [pid 5061] <... ioctl resumed>) = 0 [pid 5076] <... write resumed>) = 4 [pid 5064] <... close resumed>) = 0 [pid 5061] close(3 [pid 5076] close(3 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5061] <... close resumed>) = 0 ./strace-static-x86_64: Process 5077 attached [pid 5076] <... close resumed>) = 0 [pid 5069] +++ exited with 0 +++ [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5077] set_robust_list(0x555556c1f660, 24 [pid 5076] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5064] <... clone resumed>, child_tidptr=0x555556c1f650) = 5078 [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5069, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=39 /* 0.39 s */} --- ./strace-static-x86_64: Process 5078 attached [pid 5077] <... set_robust_list resumed>) = 0 [pid 5076] <... openat resumed>) = 3 [pid 5078] set_robust_list(0x555556c1f660, 24 [pid 5077] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5076] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5078] <... set_robust_list resumed>) = 0 [pid 5076] <... openat resumed>) = 4 [pid 5062] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5077] <... prctl resumed>) = 0 [pid 5078] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5076] sendfile(4, 3, [30] [pid 5062] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5079 attached [pid 5078] <... prctl resumed>) = 0 [pid 5077] setpgid(0, 0 [pid 5078] setpgid(0, 0 [pid 5077] <... setpgid resumed>) = 0 [pid 5062] ioctl(3, LOOP_CLR_FD [pid 5078] <... setpgid resumed>) = 0 [pid 5062] <... ioctl resumed>) = 0 [pid 5077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] set_robust_list(0x555556c1f660, 24 [pid 5078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5077] <... openat resumed>) = 3 [pid 5062] close(3 [pid 5061] <... clone resumed>, child_tidptr=0x555556c1f650) = 5079 [pid 5079] <... set_robust_list resumed>) = 0 [pid 5077] write(3, "1000", 4) = 4 [pid 5062] <... close resumed>) = 0 [pid 5079] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5077] close(3 [pid 5079] setpgid(0, 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] <... setpgid resumed>) = 0 [pid 5079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5062] <... clone resumed>, child_tidptr=0x555556c1f650) = 5080 [pid 5077] <... close resumed>) = 0 [pid 5079] <... openat resumed>) = 3 [pid 5078] <... openat resumed>) = 3 [pid 5077] openat(AT_FDCWD, "/proc/partitions", O_RDONLY./strace-static-x86_64: Process 5080 attached ) = 3 [pid 5080] set_robust_list(0x555556c1f660, 24 [pid 5079] write(3, "1000", 4 [pid 5078] write(3, "1000", 4) = 4 [pid 5078] close(3) = 0 [pid 5078] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3 [pid 5078] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4 [pid 5078] sendfile(4, 3, [30] [pid 5080] <... set_robust_list resumed>) = 0 [pid 5079] <... write resumed>) = 4 [pid 5077] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5079] close(3) = 0 [pid 5077] <... openat resumed>) = 4 [pid 5080] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5077] sendfile(4, 3, [30] [pid 5080] <... prctl resumed>) = 0 [pid 5079] <... openat resumed>) = 3 [pid 5080] setpgid(0, 0 [pid 5079] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5080] <... setpgid resumed>) = 0 [pid 5079] <... openat resumed>) = 4 [pid 5079] sendfile(4, 3, [30] [pid 5080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5080] write(3, "1000", 4) = 4 [pid 5080] close(3) = 0 [pid 5080] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3 [pid 5080] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4 [ 81.548601][ T5075] syz-executor388 (5075): drop_caches: 1 [ 81.562986][ T5076] syz-executor388 (5076): drop_caches: 1 [ 81.642741][ T5077] syz-executor388 (5077): drop_caches: 1 [ 81.658080][ T5079] syz-executor388 (5079): drop_caches: 1 [ 81.675312][ T5078] syz-executor388 (5078): drop_caches: 1 [ 81.810941][ T5080] syz-executor388 (5080): drop_caches: 1 [pid 5080] sendfile(4, 3, [30] [pid 5077] <... sendfile resumed> => [640], 610) = 610 [pid 5075] <... sendfile resumed> => [640], 610) = 610 [pid 5078] <... sendfile resumed> => [640], 610) = 610 [pid 5079] <... sendfile resumed> => [640], 610) = 610 [ 82.206081][ T5075] syz-executor388 (5075): drop_caches: 1 [ 82.216536][ T5077] syz-executor388 (5077): drop_caches: 1 [ 82.236960][ T5078] syz-executor388 (5078): drop_caches: 1 [ 82.244633][ T5079] syz-executor388 (5079): drop_caches: 1 [pid 5079] memfd_create("syzkaller", 0 [pid 5078] memfd_create("syzkaller", 0 [pid 5077] memfd_create("syzkaller", 0 [pid 5075] memfd_create("syzkaller", 0 [pid 5079] <... memfd_create resumed>) = 5 [pid 5077] <... memfd_create resumed>) = 5 [pid 5079] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5078] <... memfd_create resumed>) = 5 [pid 5077] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5075] <... memfd_create resumed>) = 5 [pid 5079] <... mmap resumed>) = 0x7fae226e8000 [pid 5078] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5077] <... mmap resumed>) = 0x7fae226e8000 [pid 5075] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5078] <... mmap resumed>) = 0x7fae226e8000 [pid 5075] <... mmap resumed>) = 0x7fae226e8000 [ 82.261737][ T5076] syz-executor388 (5076): drop_caches: 1 [pid 5076] <... sendfile resumed> => [640], 610) = 610 [pid 5076] memfd_create("syzkaller", 0) = 5 [pid 5076] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fae226e8000 [pid 5077] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5075] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5078] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5079] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5076] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5080] <... sendfile resumed> => [640], 610) = 610 [pid 5080] memfd_create("syzkaller", 0 [pid 5078] <... write resumed>) = 2097152 [pid 5077] <... write resumed>) = 2097152 [pid 5075] <... write resumed>) = 2097152 [pid 5080] <... memfd_create resumed>) = 5 [pid 5075] munmap(0x7fae226e8000, 138412032 [pid 5080] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5078] munmap(0x7fae226e8000, 138412032 [pid 5077] munmap(0x7fae226e8000, 138412032 [pid 5080] <... mmap resumed>) = 0x7fae226e8000 [pid 5078] <... munmap resumed>) = 0 [pid 5075] <... munmap resumed>) = 0 [ 82.444356][ T5080] syz-executor388 (5080): drop_caches: 1 [pid 5077] <... munmap resumed>) = 0 [pid 5079] <... write resumed>) = 2097152 [pid 5078] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5077] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5079] munmap(0x7fae226e8000, 138412032 [pid 5078] <... openat resumed>) = 6 [pid 5077] <... openat resumed>) = 6 [pid 5075] <... openat resumed>) = 6 [pid 5079] <... munmap resumed>) = 0 [pid 5078] ioctl(6, LOOP_SET_FD, 5 [pid 5077] ioctl(6, LOOP_SET_FD, 5 [pid 5075] ioctl(6, LOOP_SET_FD, 5 [pid 5077] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5075] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5078] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5077] ioctl(6, LOOP_CLR_FD [pid 5075] ioctl(6, LOOP_CLR_FD [pid 5080] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5079] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5078] ioctl(6, LOOP_CLR_FD [pid 5077] <... ioctl resumed>) = 0 [pid 5075] <... ioctl resumed>) = 0 [pid 5076] <... write resumed>) = 2097152 [pid 5078] <... ioctl resumed>) = 0 [pid 5079] <... openat resumed>) = 6 [pid 5078] ioctl(6, LOOP_SET_FD, 5 [pid 5077] ioctl(6, LOOP_SET_FD, 5 [pid 5076] munmap(0x7fae226e8000, 138412032 [pid 5075] ioctl(6, LOOP_SET_FD, 5 [pid 5078] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5077] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5075] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5078] close(6 [pid 5077] close(6 [pid 5075] close(6 [pid 5077] <... close resumed>) = 0 [pid 5075] <... close resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 5077] close(5 [pid 5075] close(5 [pid 5076] <... munmap resumed>) = 0 [pid 5079] ioctl(6, LOOP_SET_FD, 5 [pid 5078] close(5 [pid 5079] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5076] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5079] ioctl(6, LOOP_CLR_FD [pid 5076] <... openat resumed>) = 6 [pid 5079] <... ioctl resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 5077] <... close resumed>) = 0 [pid 5076] ioctl(6, LOOP_SET_FD, 5 [pid 5080] <... write resumed>) = 2097152 [pid 5075] <... close resumed>) = 0 [pid 5080] munmap(0x7fae226e8000, 138412032 [pid 5076] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5075] creat("./file1", 000 [pid 5076] ioctl(6, LOOP_CLR_FD) = 0 [pid 5079] ioctl(6, LOOP_SET_FD, 5 [pid 5075] <... creat resumed>) = -1 EISDIR (Is a directory) [pid 5079] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5075] exit_group(0 [pid 5079] close(6 [pid 5075] <... exit_group resumed>) = ? [pid 5079] <... close resumed>) = 0 [pid 5078] creat("./file1", 000 [pid 5076] ioctl(6, LOOP_SET_FD, 5 [pid 5079] close(5 [pid 5078] <... creat resumed>) = -1 EISDIR (Is a directory) [pid 5076] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5076] close(6 [pid 5078] exit_group(0 [pid 5076] <... close resumed>) = 0 [pid 5076] close(5 [pid 5078] <... exit_group resumed>) = ? [pid 5075] +++ exited with 0 +++ [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5075, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=33 /* 0.33 s */} --- [pid 5060] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5078] +++ exited with 0 +++ [pid 5060] ioctl(3, LOOP_CLR_FD [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5078, si_uid=0, si_status=0, si_utime=0, si_stime=34 /* 0.34 s */} --- [pid 5060] <... ioctl resumed>) = 0 [pid 5060] close(3 [pid 5077] creat("./file1", 000) = -1 EISDIR (Is a directory) [pid 5077] exit_group(0 [pid 5064] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5077] <... exit_group resumed>) = ? [pid 5064] <... openat resumed>) = 3 [pid 5060] <... close resumed>) = 0 [pid 5080] <... munmap resumed>) = 0 [pid 5077] +++ exited with 0 +++ [pid 5076] <... close resumed>) = 0 [pid 5064] ioctl(3, LOOP_CLR_FD [pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5077, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 5064] <... ioctl resumed>) = 0 [pid 5064] close(3 [pid 5063] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] <... close resumed>) = 0 [pid 5063] <... openat resumed>) = 3 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5063] ioctl(3, LOOP_CLR_FD) = 0 [pid 5063] close(3) = 0 [pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5080] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5060] <... clone resumed>, child_tidptr=0x555556c1f650) = 5082 ./strace-static-x86_64: Process 5082 attached ./strace-static-x86_64: Process 5083 attached [pid 5080] <... openat resumed>) = 6 [pid 5064] <... clone resumed>, child_tidptr=0x555556c1f650) = 5083 ./strace-static-x86_64: Process 5084 attached [pid 5083] set_robust_list(0x555556c1f660, 24 [pid 5082] set_robust_list(0x555556c1f660, 24 [pid 5080] ioctl(6, LOOP_SET_FD, 5 [pid 5079] <... close resumed>) = 0 [pid 5076] creat("./file1", 000 [pid 5083] <... set_robust_list resumed>) = 0 [pid 5080] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5079] creat("./file1", 000 [pid 5076] <... creat resumed>) = -1 EISDIR (Is a directory) [pid 5080] ioctl(6, LOOP_CLR_FD [pid 5082] <... set_robust_list resumed>) = 0 [pid 5080] <... ioctl resumed>) = 0 [pid 5079] <... creat resumed>) = -1 EISDIR (Is a directory) [pid 5076] exit_group(0 [pid 5083] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5082] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5079] exit_group(0 [pid 5076] <... exit_group resumed>) = ? [pid 5084] set_robust_list(0x555556c1f660, 24 [pid 5082] <... prctl resumed>) = 0 [pid 5079] <... exit_group resumed>) = ? [pid 5063] <... clone resumed>, child_tidptr=0x555556c1f650) = 5084 [pid 5084] <... set_robust_list resumed>) = 0 [pid 5082] setpgid(0, 0 [pid 5084] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5082] <... setpgid resumed>) = 0 [pid 5084] <... prctl resumed>) = 0 [pid 5082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5076] +++ exited with 0 +++ [pid 5084] setpgid(0, 0 [pid 5082] <... openat resumed>) = 3 [pid 5084] <... setpgid resumed>) = 0 [pid 5083] <... prctl resumed>) = 0 [pid 5080] ioctl(6, LOOP_SET_FD, 5 [pid 5079] +++ exited with 0 +++ [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5076, si_uid=0, si_status=0, si_utime=0, si_stime=30 /* 0.30 s */} --- [pid 5082] write(3, "1000", 4) = 4 [pid 5082] close(3) = 0 [pid 5082] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3 [pid 5082] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4 [pid 5082] sendfile(4, 3, [30] [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5079, si_uid=0, si_status=0, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5083] setpgid(0, 0 [pid 5080] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5066] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5083] <... setpgid resumed>) = 0 [pid 5080] close(6 [pid 5066] <... openat resumed>) = 3 [pid 5061] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5084] <... openat resumed>) = 3 [pid 5083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5080] <... close resumed>) = 0 [pid 5066] ioctl(3, LOOP_CLR_FD [pid 5061] <... openat resumed>) = 3 [pid 5084] write(3, "1000", 4 [pid 5080] close(5 [pid 5066] <... ioctl resumed>) = 0 [pid 5061] ioctl(3, LOOP_CLR_FD [pid 5084] <... write resumed>) = 4 [pid 5066] close(3 [pid 5084] close(3 [pid 5066] <... close resumed>) = 0 [pid 5061] <... ioctl resumed>) = 0 [pid 5084] <... close resumed>) = 0 [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5084] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5061] close(3 [pid 5084] <... openat resumed>) = 3 [pid 5084] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5061] <... close resumed>) = 0 [pid 5084] <... openat resumed>) = 4 [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5083] <... openat resumed>) = 3 [pid 5083] write(3, "1000", 4) = 4 [pid 5083] close(3 [pid 5084] sendfile(4, 3, [30] [pid 5083] <... close resumed>) = 0 [pid 5083] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5066] <... clone resumed>, child_tidptr=0x555556c1f650) = 5085 [pid 5061] <... clone resumed>, child_tidptr=0x555556c1f650) = 5086 [pid 5083] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5085 attached [pid 5085] set_robust_list(0x555556c1f660, 24./strace-static-x86_64: Process 5086 attached [pid 5086] set_robust_list(0x555556c1f660, 24) = 0 [pid 5083] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5085] <... set_robust_list resumed>) = 0 [pid 5083] <... openat resumed>) = 4 [pid 5086] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5086] setpgid(0, 0) = 0 [pid 5085] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5083] sendfile(4, 3, [30] [pid 5085] <... prctl resumed>) = 0 [pid 5085] setpgid(0, 0) = 0 [pid 5086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5086] write(3, "1000", 4 [pid 5085] write(3, "1000", 4 [pid 5086] <... write resumed>) = 4 [pid 5086] close(3 [pid 5085] <... write resumed>) = 4 [pid 5080] <... close resumed>) = 0 [pid 5086] <... close resumed>) = 0 [pid 5086] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3 [pid 5086] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4 [pid 5086] sendfile(4, 3, [30] [pid 5085] close(3 [pid 5080] creat("./file1", 000 [pid 5085] <... close resumed>) = 0 [pid 5080] <... creat resumed>) = -1 EISDIR (Is a directory) [pid 5080] exit_group(0 [pid 5085] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5080] <... exit_group resumed>) = ? [pid 5080] +++ exited with 0 +++ [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5080, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=36 /* 0.36 s */} --- [pid 5062] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5062] ioctl(3, LOOP_CLR_FD) = 0 [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c1f650) = 5087 [pid 5085] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5087 attached [pid 5085] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4 [pid 5085] sendfile(4, 3, [30] [pid 5087] set_robust_list(0x555556c1f660, 24) = 0 [pid 5087] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5087] setpgid(0, 0) = 0 [pid 5087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5087] write(3, "1000", 4) = 4 [pid 5087] close(3) = 0 [pid 5087] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3 [pid 5087] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4 [ 83.251913][ T5083] syz-executor388 (5083): drop_caches: 1 [ 83.304248][ T5084] syz-executor388 (5084): drop_caches: 1 [ 83.328560][ T5082] syz-executor388 (5082): drop_caches: 1 [ 83.399991][ T5086] syz-executor388 (5086): drop_caches: 1 [ 83.452984][ T5087] syz-executor388 (5087): drop_caches: 1 [ 83.466412][ T5085] syz-executor388 (5085): drop_caches: 1 [pid 5087] sendfile(4, 3, [30] [pid 5084] <... sendfile resumed> => [640], 610) = 610 [ 83.970658][ T5084] syz-executor388 (5084): drop_caches: 1 [pid 5084] memfd_create("syzkaller", 0) = 5 [pid 5083] <... sendfile resumed> => [640], 610) = 610 [pid 5084] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fae226e8000 [ 84.032803][ T5082] syz-executor388 (5082): drop_caches: 1 [ 84.045547][ T5083] syz-executor388 (5083): drop_caches: 1 [pid 5085] <... sendfile resumed> => [640], 610) = 610 [pid 5083] memfd_create("syzkaller", 0 [pid 5087] <... sendfile resumed> => [640], 610) = 610 [pid 5083] <... memfd_create resumed>) = 5 [pid 5083] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fae226e8000 [pid 5082] <... sendfile resumed> => [640], 610) = 610 [pid 5082] memfd_create("syzkaller", 0) = 5 [pid 5082] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fae226e8000 [pid 5085] memfd_create("syzkaller", 0) = 5 [pid 5085] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fae226e8000 [ 84.077412][ T5085] syz-executor388 (5085): drop_caches: 1 [ 84.086245][ T5087] syz-executor388 (5087): drop_caches: 1 [pid 5087] memfd_create("syzkaller", 0 [pid 5084] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5087] <... memfd_create resumed>) = 5 [pid 5085] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5087] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fae226e8000 [pid 5086] <... sendfile resumed> => [640], 610) = 610 [pid 5086] memfd_create("syzkaller", 0 [pid 5083] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5086] <... memfd_create resumed>) = 5 [pid 5086] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fae226e8000 [ 84.149267][ T5086] syz-executor388 (5086): drop_caches: 1 [pid 5082] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5084] <... write resumed>) = 2097152 [pid 5086] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5084] munmap(0x7fae226e8000, 138412032 [pid 5087] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x04\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x07\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\x01\x00\x00\x00\xf7\x9a\x81\x47\x2b\x73\xcf\x43\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152 [pid 5085] <... write resumed>) = 2097152 [pid 5084] <... munmap resumed>) = 0 [pid 5084] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 6 [pid 5085] munmap(0x7fae226e8000, 138412032 [pid 5084] ioctl(6, LOOP_SET_FD, 5 [pid 5083] <... write resumed>) = 2097152 [pid 5082] <... write resumed>) = 2097152 [pid 5084] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5084] ioctl(6, LOOP_CLR_FD) = 0 [pid 5084] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy) [pid 5084] close(6 [pid 5083] munmap(0x7fae226e8000, 138412032 [pid 5082] munmap(0x7fae226e8000, 138412032 [pid 5087] <... write resumed>) = 2097152 [pid 5084] <... close resumed>) = 0 [pid 5084] close(5 [pid 5082] <... munmap resumed>) = 0 [pid 5085] <... munmap resumed>) = 0 [pid 5082] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5085] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5082] <... openat resumed>) = 6 [pid 5082] ioctl(6, LOOP_SET_FD, 5 [pid 5087] munmap(0x7fae226e8000, 138412032 [pid 5086] <... write resumed>) = 2097152 [pid 5085] <... openat resumed>) = 6 [pid 5083] <... munmap resumed>) = 0 [pid 5085] ioctl(6, LOOP_SET_FD, 5 [pid 5087] <... munmap resumed>) = 0 [pid 5083] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5082] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5085] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5086] munmap(0x7fae226e8000, 138412032 [pid 5085] ioctl(6, LOOP_CLR_FD [pid 5083] <... openat resumed>) = 6 [pid 5086] <... munmap resumed>) = 0 [pid 5085] <... ioctl resumed>) = 0 [pid 5083] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy) [pid 5082] ioctl(6, LOOP_CLR_FD) = 0 [pid 5085] ioctl(6, LOOP_SET_FD, 5 [pid 5087] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 6 [pid 5086] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5085] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5084] <... close resumed>) = 0 [pid 5083] ioctl(6, LOOP_CLR_FD [pid 5087] ioctl(6, LOOP_SET_FD, 5 [pid 5086] <... openat resumed>) = 6 [pid 5085] close(6 [pid 5083] <... ioctl resumed>) = 0 [pid 5082] ioctl(6, LOOP_SET_FD, 5 [pid 5085] <... close resumed>) = 0 [pid 5082] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5087] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5086] ioctl(6, LOOP_SET_FD, 5 [pid 5084] creat("./file1", 000 [pid 5082] close(6 [pid 5085] close(5 [pid 5087] ioctl(6, LOOP_CLR_FD [pid 5086] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5084] <... creat resumed>) = -1 EISDIR (Is a directory) [pid 5082] <... close resumed>) = 0 [pid 5087] <... ioctl resumed>) = 0 [pid 5086] ioctl(6, LOOP_CLR_FD [pid 5084] exit_group(0 [pid 5082] close(5 [pid 5086] <... ioctl resumed>) = 0 [pid 5084] <... exit_group resumed>) = ? [pid 5084] +++ exited with 0 +++ [pid 5063] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5084, si_uid=0, si_status=0, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5087] ioctl(6, LOOP_SET_FD, 5 [pid 5063] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5087] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5086] ioctl(6, LOOP_SET_FD, 5 [pid 5063] <... openat resumed>) = 3 [pid 5087] close(6 [pid 5086] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5063] ioctl(3, LOOP_CLR_FD [pid 5087] <... close resumed>) = 0 [pid 5086] close(6 [pid 5063] <... ioctl resumed>) = 0 [pid 5063] close(3) = 0 [pid 5087] close(5 [pid 5063] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556c1f650) = 5089 [pid 5085] <... close resumed>) = 0 ./strace-static-x86_64: Process 5089 attached [pid 5083] ioctl(6, LOOP_SET_FD, 5 [pid 5089] set_robust_list(0x555556c1f660, 24 [pid 5086] <... close resumed>) = 0 [pid 5083] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5086] close(5 [pid 5083] close(6) = 0 [pid 5083] close(5 [pid 5089] <... set_robust_list resumed>) = 0 [pid 5089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5089] setpgid(0, 0) = 0 [pid 5089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5089] write(3, "1000", 4) = 4 [pid 5089] close(3) = 0 [pid 5089] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5085] creat("./file1", 000 [pid 5089] <... openat resumed>) = 3 [pid 5085] <... creat resumed>) = -1 EISDIR (Is a directory) [pid 5089] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5085] exit_group(0 [pid 5089] <... openat resumed>) = 4 [pid 5085] <... exit_group resumed>) = ? [pid 5089] sendfile(4, 3, [30] [pid 5086] <... close resumed>) = 0 [pid 5083] <... close resumed>) = 0 [pid 5087] <... close resumed>) = 0 [pid 5085] +++ exited with 0 +++ [pid 5066] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5085, si_uid=0, si_status=0, si_utime=0, si_stime=31 /* 0.31 s */} --- [pid 5082] <... close resumed>) = 0 [pid 5066] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 3 [pid 5083] creat("./file1", 000 [pid 5082] creat("./file1", 000 [pid 5066] ioctl(3, LOOP_CLR_FD [pid 5083] <... creat resumed>) = -1 EISDIR (Is a directory) [pid 5082] <... creat resumed>) = -1 EISDIR (Is a directory) [pid 5066] <... ioctl resumed>) = 0 [pid 5083] exit_group(0 [pid 5082] exit_group(0 [pid 5066] close(3 [pid 5083] <... exit_group resumed>) = ? [pid 5082] <... exit_group resumed>) = ? [pid 5066] <... close resumed>) = 0 [pid 5086] creat("./file1", 000 [pid 5087] creat("./file1", 000 [pid 5083] +++ exited with 0 +++ [pid 5082] +++ exited with 0 +++ [pid 5066] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5083, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=30 /* 0.30 s */} --- [pid 5064] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5082, si_uid=0, si_status=0, si_utime=0, si_stime=34 /* 0.34 s */} --- [pid 5064] ioctl(3, LOOP_CLR_FD) = 0 [pid 5087] <... creat resumed>) = -1 EISDIR (Is a directory) [pid 5086] <... creat resumed>) = -1 EISDIR (Is a directory) [pid 5064] close(3./strace-static-x86_64: Process 5090 attached [pid 5087] exit_group(0 [pid 5086] exit_group(0 [pid 5064] <... close resumed>) = 0 [pid 5090] set_robust_list(0x555556c1f660, 24 [pid 5087] <... exit_group resumed>) = ? [pid 5086] <... exit_group resumed>) = ? [pid 5066] <... clone resumed>, child_tidptr=0x555556c1f650) = 5090 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5090] <... set_robust_list resumed>) = 0 [pid 5087] +++ exited with 0 +++ [pid 5086] +++ exited with 0 +++ ./strace-static-x86_64: Process 5091 attached [pid 5090] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5064] <... clone resumed>, child_tidptr=0x555556c1f650) = 5091 [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5086, si_uid=0, si_status=0, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5091] set_robust_list(0x555556c1f660, 24 [pid 5090] <... prctl resumed>) = 0 [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5087, si_uid=0, si_status=0, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5060] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5091] <... set_robust_list resumed>) = 0 [pid 5090] setpgid(0, 0 [pid 5091] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5090] <... setpgid resumed>) = 0 [pid 5062] restart_syscall(<... resuming interrupted clone ...> [pid 5061] openat(AT_FDCWD, "/dev/loop1", O_RDWR