./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3267143007 <...> Warning: Permanently added '10.128.0.62' (ED25519) to the list of known hosts. execve("./syz-executor3267143007", ["./syz-executor3267143007"], 0x7ffdc08b1b90 /* 10 vars */) = 0 brk(NULL) = 0x555556b26000 brk(0x555556b26d00) = 0x555556b26d00 arch_prctl(ARCH_SET_FS, 0x555556b26380) = 0 set_tid_address(0x555556b26650) = 5059 set_robust_list(0x555556b26660, 24) = 0 rseq(0x555556b26ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3267143007", 4096) = 28 getrandom("\xdc\x14\x23\x5b\x62\x73\x63\x9b", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556b26d00 brk(0x555556b47d00) = 0x555556b47d00 brk(0x555556b48000) = 0x555556b48000 mprotect(0x7f87d56c7000, 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, child_tidptr=0x555556b26650) = 5060 ./strace-static-x86_64: Process 5060 attached [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5060] set_robust_list(0x555556b26660, 24) = 0 ./strace-static-x86_64: Process 5061 attached [pid 5060] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5059] <... clone resumed>, child_tidptr=0x555556b26650) = 5061 [pid 5061] set_robust_list(0x555556b26660, 24) = 0 [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5061] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5060] <... openat resumed>) = 3 [pid 5060] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5061] <... openat resumed>) = 3 [pid 5060] close(3) = 0 [pid 5061] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 5062 attached ) = -1 ENXIO (No such device or address) [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5059] <... clone resumed>, child_tidptr=0x555556b26650) = 5062 [pid 5062] set_robust_list(0x555556b26660, 24 [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5062] <... set_robust_list resumed>) = 0 [pid 5062] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5061] close(3) = 0 [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5062] <... openat resumed>) = 3 [pid 5060] <... clone resumed>, child_tidptr=0x555556b26650) = 5063 ./strace-static-x86_64: Process 5063 attached ./strace-static-x86_64: Process 5064 attached [pid 5063] set_robust_list(0x555556b26660, 24) = 0 [pid 5064] set_robust_list(0x555556b26660, 24) = 0 [pid 5059] <... clone resumed>, child_tidptr=0x555556b26650) = 5064 [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5065 attached [pid 5063] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5064] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5062] ioctl(3, LOOP_CLR_FD [pid 5065] set_robust_list(0x555556b26660, 24 [pid 5063] <... prctl resumed>) = 0 [pid 5064] <... openat resumed>) = 3 [pid 5065] <... set_robust_list resumed>) = 0 [pid 5063] setpgid(0, 0 [pid 5064] ioctl(3, LOOP_CLR_FD [pid 5062] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5061] <... clone resumed>, child_tidptr=0x555556b26650) = 5065 [pid 5065] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5064] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5062] close(3) = 0 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5065] <... prctl resumed>) = 0 [pid 5063] <... setpgid resumed>) = 0 [pid 5064] close(3 [pid 5065] setpgid(0, 0 [pid 5064] <... close resumed>) = 0 [pid 5065] <... setpgid resumed>) = 0 [pid 5063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5069 attached ./strace-static-x86_64: Process 5067 attached [pid 5065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5063] <... openat resumed>) = 3 [pid 5059] <... clone resumed>, child_tidptr=0x555556b26650) = 5067 [pid 5069] set_robust_list(0x555556b26660, 24 [pid 5063] write(3, "1000", 4 [pid 5064] <... clone resumed>, child_tidptr=0x555556b26650) = 5069 [pid 5069] <... set_robust_list resumed>) = 0 [pid 5063] <... write resumed>) = 4 [pid 5067] set_robust_list(0x555556b26660, 24 [pid 5059] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... set_robust_list resumed>) = 0 [pid 5063] close(3 [pid 5062] <... clone resumed>, child_tidptr=0x555556b26650) = 5068 [pid 5069] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5063] <... close resumed>) = 0 ./strace-static-x86_64: Process 5068 attached [pid 5063] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5068] set_robust_list(0x555556b26660, 24 [pid 5065] <... openat resumed>) = 3 [pid 5068] <... set_robust_list resumed>) = 0 [pid 5068] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5067] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5068] <... prctl resumed>) = 0 [pid 5068] setpgid(0, 0) = 0 [pid 5069] <... prctl resumed>) = 0 [pid 5063] <... openat resumed>) = 3 [pid 5069] setpgid(0, 0 [pid 5065] write(3, "1000", 4./strace-static-x86_64: Process 5070 attached [pid 5068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5067] <... openat resumed>) = 3 [pid 5069] <... setpgid resumed>) = 0 [pid 5065] <... write resumed>) = 4 [pid 5063] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5059] <... clone resumed>, child_tidptr=0x555556b26650) = 5070 [pid 5070] set_robust_list(0x555556b26660, 24 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5065] close(3 [pid 5063] <... openat resumed>) = 4 [pid 5070] <... set_robust_list resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5067] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5069] <... openat resumed>) = 3 [pid 5065] <... close resumed>) = 0 [pid 5065] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5067] close(3 [pid 5065] <... openat resumed>) = 3 [pid 5068] write(3, "1000", 4 [pid 5070] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5068] <... write resumed>) = 4 [pid 5067] <... close resumed>) = 0 [pid 5069] write(3, "1000", 4 [pid 5065] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5063] sendfile(4, 3, [88] [pid 5068] close(3 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... write resumed>) = 4 [pid 5065] <... openat resumed>) = 4 [pid 5070] <... openat resumed>) = 3 [pid 5068] <... close resumed>) = 0 [pid 5069] close(3 [pid 5065] sendfile(4, 3, [88] [pid 5068] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5069] <... close resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5069] openat(AT_FDCWD, "/proc/partitions", O_RDONLY./strace-static-x86_64: Process 5071 attached [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5068] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5070] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5067] <... clone resumed>, child_tidptr=0x555556b26650) = 5071 [pid 5071] set_robust_list(0x555556b26660, 24) = 0 [pid 5069] <... openat resumed>) = 3 [pid 5068] <... openat resumed>) = 4 [pid 5070] close(3 [pid 5071] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5070] <... close resumed>) = 0 [pid 5068] sendfile(4, 3, [88] [pid 5069] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5071] <... prctl resumed>) = 0 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5069] <... openat resumed>) = 4 [pid 5069] sendfile(4, 3, [88] [pid 5071] setpgid(0, 0./strace-static-x86_64: Process 5072 attached ) = 0 [pid 5070] <... clone resumed>, child_tidptr=0x555556b26650) = 5072 [pid 5072] set_robust_list(0x555556b26660, 24) = 0 [pid 5071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5072] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5071] <... openat resumed>) = 3 [pid 5072] setpgid(0, 0 [pid 5071] write(3, "1000", 4) = 4 [pid 5071] close(3 [pid 5072] <... setpgid resumed>) = 0 [pid 5071] <... close resumed>) = 0 [pid 5072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5071] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5072] <... openat resumed>) = 3 [pid 5071] <... openat resumed>) = 3 [pid 5072] write(3, "1000", 4 [pid 5071] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5072] <... write resumed>) = 4 [pid 5071] <... openat resumed>) = 4 [pid 5072] close(3 [pid 5071] sendfile(4, 3, [88] [pid 5072] <... close resumed>) = 0 [pid 5072] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3 [pid 5072] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4 syzkaller login: [ 71.618148][ T5072] syz-executor326 (5072): drop_caches: 1 [ 71.626240][ T5071] syz-executor326 (5071): drop_caches: 1 [ 71.633286][ T5068] syz-executor326 (5068): drop_caches: 1 [ 71.646327][ T5065] syz-executor326 (5065): drop_caches: 1 [ 71.654647][ T5063] syz-executor326 (5063): drop_caches: 1 [ 71.662185][ T5069] syz-executor326 (5069): drop_caches: 1 [pid 5072] sendfile(4, 3, [88] [pid 5071] <... sendfile resumed> => [103], 15) = 15 [pid 5068] <... sendfile resumed> => [103], 15) = 15 [pid 5072] <... sendfile resumed> => [103], 15) = 15 [pid 5072] memfd_create("syzkaller", 0) = 5 [pid 5072] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87cd1f6000 [pid 5068] memfd_create("syzkaller", 0) = 5 [pid 5068] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87cd1f6000 [ 71.875321][ T5072] syz-executor326 (5072): drop_caches: 1 [ 71.884715][ T5068] syz-executor326 (5068): drop_caches: 1 [ 71.891200][ T5071] syz-executor326 (5071): drop_caches: 1 [pid 5071] memfd_create("syzkaller", 0) = 5 [pid 5071] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87cd1f6000 [pid 5072] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\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\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\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] <... sendfile resumed> => [103], 15) = 15 [pid 5065] <... sendfile resumed> => [103], 15) = 15 [pid 5068] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\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\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\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] memfd_create("syzkaller", 0) = 5 [pid 5065] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87cd1f6000 [pid 5063] <... sendfile resumed> => [103], 15) = 15 [pid 5069] memfd_create("syzkaller", 0 [pid 5063] memfd_create("syzkaller", 0) = 5 [pid 5063] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87cd1f6000 [pid 5069] <... memfd_create resumed>) = 5 [ 71.915756][ T5065] syz-executor326 (5065): drop_caches: 1 [ 71.928362][ T5063] syz-executor326 (5063): drop_caches: 1 [ 71.952475][ T5069] syz-executor326 (5069): drop_caches: 1 [pid 5069] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87cd1f6000 [pid 5072] <... write resumed>) = 2097152 [pid 5068] <... write resumed>) = 2097152 [pid 5068] munmap(0x7f87cd1f6000, 138412032 [pid 5071] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\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\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\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] munmap(0x7f87cd1f6000, 138412032 [pid 5068] <... munmap resumed>) = 0 [pid 5065] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\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\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\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] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 6 [pid 5072] <... munmap resumed>) = 0 [pid 5068] ioctl(6, LOOP_SET_FD, 5 [pid 5069] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\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\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\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 5063] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\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\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\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] <... ioctl resumed>) = 0 [pid 5072] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 6 [pid 5065] <... write resumed>) = 2097152 [pid 5072] ioctl(6, LOOP_SET_FD, 5 [pid 5071] <... write resumed>) = 2097152 [pid 5068] close(5 [pid 5069] <... write resumed>) = 2097152 [pid 5065] munmap(0x7f87cd1f6000, 138412032 [pid 5071] munmap(0x7f87cd1f6000, 138412032) = 0 [pid 5068] <... close resumed>) = 0 [pid 5069] munmap(0x7f87cd1f6000, 138412032 [pid 5071] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5072] <... ioctl resumed>) = 0 [pid 5068] mkdir("./file0", 0777 [pid 5069] <... munmap resumed>) = 0 [pid 5065] <... munmap resumed>) = 0 [pid 5063] <... write resumed>) = 2097152 [pid 5072] close(5 [pid 5071] <... openat resumed>) = 6 [pid 5063] munmap(0x7f87cd1f6000, 138412032 [pid 5072] <... close resumed>) = 0 [pid 5071] ioctl(6, LOOP_SET_FD, 5 [pid 5069] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5065] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5072] mkdir("./file0", 0777 [pid 5069] <... openat resumed>) = 6 [pid 5065] <... openat resumed>) = 6 [ 72.070815][ T5068] loop2: detected capacity change from 0 to 4096 [ 72.101160][ T5072] loop5: detected capacity change from 0 to 4096 [pid 5069] ioctl(6, LOOP_SET_FD, 5 [pid 5065] ioctl(6, LOOP_SET_FD, 5 [pid 5063] <... munmap resumed>) = 0 [pid 5071] <... ioctl resumed>) = 0 [pid 5063] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5071] close(5 [pid 5063] <... openat resumed>) = 6 [pid 5071] <... close resumed>) = 0 [pid 5063] ioctl(6, LOOP_SET_FD, 5 [pid 5071] mkdir("./file0", 0777 [pid 5063] <... ioctl resumed>) = 0 [pid 5063] close(5) = 0 [pid 5063] mkdir("./file0", 0777 [pid 5069] <... ioctl resumed>) = 0 [pid 5072] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5071] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5068] <... mkdir resumed>) = 0 [pid 5065] <... ioctl resumed>) = 0 [pid 5063] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5072] mount("/dev/loop5", "./file0", "ntfs", 0, "" [pid 5071] mount("/dev/loop4", "./file0", "ntfs", 0, "" [pid 5068] mount("/dev/loop2", "./file0", "ntfs", 0, "" [pid 5069] close(5 [pid 5065] close(5 [pid 5063] mount("/dev/loop0", "./file0", "ntfs", 0, "" [pid 5065] <... close resumed>) = 0 [pid 5065] mkdir("./file0", 0777) = -1 EEXIST (File exists) [pid 5065] mount("/dev/loop1", "./file0", "ntfs", 0, "" [pid 5069] <... close resumed>) = 0 [pid 5069] mkdir("./file0", 0777) = -1 EEXIST (File exists) [ 72.130299][ T5071] loop4: detected capacity change from 0 to 4096 [ 72.133763][ T5069] loop3: detected capacity change from 0 to 4096 [ 72.139287][ T5063] loop0: detected capacity change from 0 to 4096 [ 72.143658][ T5065] loop1: detected capacity change from 0 to 4096 [pid 5069] mount("/dev/loop3", "./file0", "ntfs", 0, "" [pid 5065] <... mount resumed>) = 0 [pid 5065] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5 [pid 5065] chdir("./file0") = 0 [pid 5065] ioctl(6, LOOP_CLR_FD) = 0 [pid 5065] close(6) = 0 [ 72.252512][ T5065] ntfs: volume version 3.1. [ 72.267918][ T5071] ntfs: volume version 3.1. [ 72.273845][ T5063] ntfs: volume version 3.1. [ 72.275714][ T5068] ntfs: volume version 3.1. [ 72.284408][ T5072] ntfs: volume version 3.1. [pid 5065] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5068] <... mount resumed>) = 0 [pid 5065] <... open resumed>) = 6 [pid 5065] pwritev(6, [{iov_base="\xef\xd9\x3e\x66\x46\x70\xbf\xd2\xa6\xb3\xd1\x19\x7c\x8d\x01\xd2\x67\x23\x05\x16\x28\xc9\xcc\x52\xa5\x98\xe2\xa6\xd0\xcf\x8b\xb0\x0d\x25\x2c\x82\x10\xee\x02\x97\x1a\xd2\x5c\x48\x3b\xbd\x96\x85\x08\xfa\x65\x4e\x58\x1a\xd9\x71\x51\x63\x85\x35\x31\xcc\xdb\xde\x9c\x85\xcd\xa0\xb0\x84\x0c\xd6\x64\xea\x6f\xf8\x9e\x78\x63\xf6\xac\x82\x8e\x16\xea\x7e\xd2\xea\xa1\xbe\x00\x7d\x10\x60\x06\xe8\x74\x54\x75\x86"..., iov_len=103}, {iov_base=NULL, iov_len=0}], 2, 11452 [pid 5068] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5071] <... mount resumed>) = 0 [pid 5068] <... openat resumed>) = 5 [pid 5068] chdir("./file0" [pid 5071] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5068] <... chdir resumed>) = 0 [pid 5068] ioctl(6, LOOP_CLR_FD [pid 5071] <... openat resumed>) = 5 [pid 5071] chdir("./file0" [pid 5068] <... ioctl resumed>) = 0 [pid 5071] <... chdir resumed>) = 0 [pid 5068] close(6 [pid 5071] ioctl(6, LOOP_CLR_FD [pid 5068] <... close resumed>) = 0 [pid 5071] <... ioctl resumed>) = 0 [pid 5068] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5071] close(6) = 0 [pid 5071] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5068] <... open resumed>) = 6 [pid 5072] <... mount resumed>) = 0 [pid 5071] <... open resumed>) = 6 [pid 5071] pwritev(6, [{iov_base="\xef\xd9\x3e\x66\x46\x70\xbf\xd2\xa6\xb3\xd1\x19\x7c\x8d\x01\xd2\x67\x23\x05\x16\x28\xc9\xcc\x52\xa5\x98\xe2\xa6\xd0\xcf\x8b\xb0\x0d\x25\x2c\x82\x10\xee\x02\x97\x1a\xd2\x5c\x48\x3b\xbd\x96\x85\x08\xfa\x65\x4e\x58\x1a\xd9\x71\x51\x63\x85\x35\x31\xcc\xdb\xde\x9c\x85\xcd\xa0\xb0\x84\x0c\xd6\x64\xea\x6f\xf8\x9e\x78\x63\xf6\xac\x82\x8e\x16\xea\x7e\xd2\xea\xa1\xbe\x00\x7d\x10\x60\x06\xe8\x74\x54\x75\x86"..., iov_len=103}, {iov_base=NULL, iov_len=0}], 2, 11452 [pid 5063] <... mount resumed>) = 0 [pid 5068] pwritev(6, [{iov_base="\xef\xd9\x3e\x66\x46\x70\xbf\xd2\xa6\xb3\xd1\x19\x7c\x8d\x01\xd2\x67\x23\x05\x16\x28\xc9\xcc\x52\xa5\x98\xe2\xa6\xd0\xcf\x8b\xb0\x0d\x25\x2c\x82\x10\xee\x02\x97\x1a\xd2\x5c\x48\x3b\xbd\x96\x85\x08\xfa\x65\x4e\x58\x1a\xd9\x71\x51\x63\x85\x35\x31\xcc\xdb\xde\x9c\x85\xcd\xa0\xb0\x84\x0c\xd6\x64\xea\x6f\xf8\x9e\x78\x63\xf6\xac\x82\x8e\x16\xea\x7e\xd2\xea\xa1\xbe\x00\x7d\x10\x60\x06\xe8\x74\x54\x75\x86"..., iov_len=103}, {iov_base=NULL, iov_len=0}], 2, 11452 [pid 5063] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 5 [pid 5063] chdir("./file0" [pid 5072] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5069] <... mount resumed>) = 0 [pid 5072] <... openat resumed>) = 5 [pid 5069] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 5063] <... chdir resumed>) = 0 [pid 5072] chdir("./file0" [pid 5063] ioctl(6, LOOP_CLR_FD) = 0 [pid 5063] close(6) = 0 [pid 5063] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5072] <... chdir resumed>) = 0 [pid 5072] ioctl(6, LOOP_CLR_FD [pid 5069] <... openat resumed>) = 5 [pid 5072] <... ioctl resumed>) = 0 [ 72.312518][ T5069] ntfs: volume version 3.1. [pid 5069] chdir("./file0" [pid 5072] close(6 [pid 5069] <... chdir resumed>) = 0 [pid 5065] <... pwritev resumed>) = 103 [pid 5072] <... close resumed>) = 0 [pid 5069] ioctl(6, LOOP_CLR_FD [pid 5072] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 6 [pid 5069] <... ioctl resumed>) = 0 [pid 5065] exit_group(0 [pid 5063] <... open resumed>) = 6 [pid 5072] pwritev(6, [{iov_base="\xef\xd9\x3e\x66\x46\x70\xbf\xd2\xa6\xb3\xd1\x19\x7c\x8d\x01\xd2\x67\x23\x05\x16\x28\xc9\xcc\x52\xa5\x98\xe2\xa6\xd0\xcf\x8b\xb0\x0d\x25\x2c\x82\x10\xee\x02\x97\x1a\xd2\x5c\x48\x3b\xbd\x96\x85\x08\xfa\x65\x4e\x58\x1a\xd9\x71\x51\x63\x85\x35\x31\xcc\xdb\xde\x9c\x85\xcd\xa0\xb0\x84\x0c\xd6\x64\xea\x6f\xf8\x9e\x78\x63\xf6\xac\x82\x8e\x16\xea\x7e\xd2\xea\xa1\xbe\x00\x7d\x10\x60\x06\xe8\x74\x54\x75\x86"..., iov_len=103}, {iov_base=NULL, iov_len=0}], 2, 11452 [pid 5069] close(6) = 0 [pid 5065] <... exit_group resumed>) = ? [pid 5063] pwritev(6, [{iov_base="\xef\xd9\x3e\x66\x46\x70\xbf\xd2\xa6\xb3\xd1\x19\x7c\x8d\x01\xd2\x67\x23\x05\x16\x28\xc9\xcc\x52\xa5\x98\xe2\xa6\xd0\xcf\x8b\xb0\x0d\x25\x2c\x82\x10\xee\x02\x97\x1a\xd2\x5c\x48\x3b\xbd\x96\x85\x08\xfa\x65\x4e\x58\x1a\xd9\x71\x51\x63\x85\x35\x31\xcc\xdb\xde\x9c\x85\xcd\xa0\xb0\x84\x0c\xd6\x64\xea\x6f\xf8\x9e\x78\x63\xf6\xac\x82\x8e\x16\xea\x7e\xd2\xea\xa1\xbe\x00\x7d\x10\x60\x06\xe8\x74\x54\x75\x86"..., iov_len=103}, {iov_base=NULL, iov_len=0}], 2, 11452 [pid 5069] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 6 [pid 5065] +++ exited with 0 +++ [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5065, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 5069] pwritev(6, [{iov_base="\xef\xd9\x3e\x66\x46\x70\xbf\xd2\xa6\xb3\xd1\x19\x7c\x8d\x01\xd2\x67\x23\x05\x16\x28\xc9\xcc\x52\xa5\x98\xe2\xa6\xd0\xcf\x8b\xb0\x0d\x25\x2c\x82\x10\xee\x02\x97\x1a\xd2\x5c\x48\x3b\xbd\x96\x85\x08\xfa\x65\x4e\x58\x1a\xd9\x71\x51\x63\x85\x35\x31\xcc\xdb\xde\x9c\x85\xcd\xa0\xb0\x84\x0c\xd6\x64\xea\x6f\xf8\x9e\x78\x63\xf6\xac\x82\x8e\x16\xea\x7e\xd2\xea\xa1\xbe\x00\x7d\x10\x60\x06\xe8\x74\x54\x75\x86"..., iov_len=103}, {iov_base=NULL, iov_len=0}], 2, 11452 [pid 5061] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5063] <... pwritev resumed>) = 103 [pid 5061] <... openat resumed>) = 3 [pid 5072] <... pwritev resumed>) = 103 [pid 5068] <... pwritev resumed>) = 103 [pid 5069] <... pwritev resumed>) = 103 [pid 5072] exit_group(0 [pid 5068] exit_group(0 [pid 5063] exit_group(0 [pid 5061] ioctl(3, LOOP_CLR_FD [pid 5072] <... exit_group resumed>) = ? [pid 5069] exit_group(0 [pid 5063] <... exit_group resumed>) = ? [pid 5061] <... ioctl resumed>) = 0 [pid 5071] <... pwritev resumed>) = 103 [pid 5068] <... exit_group resumed>) = ? [pid 5061] close(3 [pid 5072] +++ exited with 0 +++ [pid 5071] exit_group(0 [pid 5068] +++ exited with 0 +++ [pid 5069] <... exit_group resumed>) = ? [pid 5061] <... close resumed>) = 0 [pid 5071] <... exit_group resumed>) = ? [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5072, si_uid=0, si_status=0, si_utime=0, si_stime=30 /* 0.30 s */} --- [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5068, si_uid=0, si_status=0, si_utime=0, si_stime=30 /* 0.30 s */} --- [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5074 attached [pid 5071] +++ exited with 0 +++ [pid 5069] +++ exited with 0 +++ [pid 5062] restart_syscall(<... resuming interrupted clone ...> [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5071, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=23 /* 0.23 s */} --- [pid 5063] +++ exited with 0 +++ [pid 5062] <... restart_syscall resumed>) = 0 [pid 5074] set_robust_list(0x555556b26660, 24 [pid 5070] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5074] <... set_robust_list resumed>) = 0 [pid 5064] --- 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=31 /* 0.31 s */} --- [pid 5061] <... clone resumed>, child_tidptr=0x555556b26650) = 5074 [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5063, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=29 /* 0.29 s */} --- [pid 5074] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5070] <... openat resumed>) = 3 [pid 5064] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5074] <... prctl resumed>) = 0 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5074] setpgid(0, 0 [pid 5067] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5064] <... openat resumed>) = 3 [pid 5074] <... setpgid resumed>) = 0 [pid 5074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5070] <... ioctl resumed>) = 0 [pid 5067] <... openat resumed>) = 3 [pid 5064] ioctl(3, LOOP_CLR_FD [pid 5062] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5070] close(3 [pid 5067] ioctl(3, LOOP_CLR_FD [pid 5064] <... ioctl resumed>) = 0 [pid 5060] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5074] <... openat resumed>) = 3 [pid 5067] <... ioctl resumed>) = 0 [pid 5064] close(3 [pid 5062] <... openat resumed>) = 3 [pid 5060] <... openat resumed>) = 3 [pid 5064] <... close resumed>) = 0 [pid 5062] ioctl(3, LOOP_CLR_FD [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5060] ioctl(3, LOOP_CLR_FD [pid 5070] <... close resumed>) = 0 [pid 5067] close(3 [pid 5074] write(3, "1000", 4) = 4 [pid 5074] close(3) = 0 [pid 5074] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3 [pid 5074] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5067] <... close resumed>) = 0 [pid 5060] <... ioctl resumed>) = 0 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5062] <... ioctl resumed>) = 0 [pid 5060] close(3 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5074] <... openat resumed>) = 4 [pid 5074] sendfile(4, 3, [88] [pid 5060] <... close resumed>) = 0 [pid 5062] close(3 [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5067] <... clone resumed>, child_tidptr=0x555556b26650) = 5077 ./strace-static-x86_64: Process 5076 attached ./strace-static-x86_64: Process 5077 attached ./strace-static-x86_64: Process 5075 attached [pid 5070] <... clone resumed>, child_tidptr=0x555556b26650) = 5076 [pid 5064] <... clone resumed>, child_tidptr=0x555556b26650) = 5075 [pid 5062] <... close resumed>) = 0 [pid 5060] <... clone resumed>, child_tidptr=0x555556b26650) = 5078 [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5078 attached [pid 5076] set_robust_list(0x555556b26660, 24 [pid 5077] set_robust_list(0x555556b26660, 24 [pid 5075] set_robust_list(0x555556b26660, 24 [pid 5078] set_robust_list(0x555556b26660, 24 [pid 5076] <... set_robust_list resumed>) = 0 [pid 5077] <... set_robust_list resumed>) = 0 [pid 5075] <... set_robust_list resumed>) = 0 [pid 5076] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5062] <... clone resumed>, child_tidptr=0x555556b26650) = 5079 ./strace-static-x86_64: Process 5079 attached [pid 5078] <... set_robust_list resumed>) = 0 [pid 5076] <... prctl resumed>) = 0 [pid 5077] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5075] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5078] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5075] <... prctl resumed>) = 0 [pid 5076] setpgid(0, 0 [pid 5079] set_robust_list(0x555556b26660, 24 [pid 5078] <... prctl resumed>) = 0 [pid 5076] <... setpgid resumed>) = 0 [pid 5077] <... prctl resumed>) = 0 [pid 5075] setpgid(0, 0 [pid 5079] <... set_robust_list resumed>) = 0 [pid 5078] setpgid(0, 0 [pid 5076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5077] setpgid(0, 0 [pid 5075] <... setpgid resumed>) = 0 [pid 5079] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5078] <... setpgid resumed>) = 0 [pid 5076] <... openat resumed>) = 3 [pid 5077] <... setpgid resumed>) = 0 [pid 5075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] <... prctl resumed>) = 0 [pid 5078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5079] setpgid(0, 0 [pid 5076] write(3, "1000", 4 [pid 5075] <... openat resumed>) = 3 [pid 5079] <... setpgid resumed>) = 0 [pid 5076] <... write resumed>) = 4 [pid 5077] <... openat resumed>) = 3 [pid 5075] write(3, "1000", 4 [pid 5079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5078] <... openat resumed>) = 3 [pid 5076] close(3 [pid 5077] write(3, "1000", 4 [pid 5075] <... write resumed>) = 4 [pid 5079] <... openat resumed>) = 3 [pid 5078] write(3, "1000", 4 [pid 5076] <... close resumed>) = 0 [pid 5077] <... write resumed>) = 4 [pid 5075] close(3 [pid 5079] write(3, "1000", 4 [pid 5078] <... write resumed>) = 4 [pid 5079] <... write resumed>) = 4 [pid 5078] close(3 [pid 5076] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5077] close(3 [pid 5075] <... close resumed>) = 0 [pid 5079] close(3 [pid 5078] <... close resumed>) = 0 [pid 5076] <... openat resumed>) = 3 [pid 5077] <... close resumed>) = 0 [pid 5075] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5079] <... close resumed>) = 0 [pid 5078] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5076] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5077] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5075] <... openat resumed>) = 3 [pid 5079] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5078] <... openat resumed>) = 3 [pid 5076] <... openat resumed>) = 4 [pid 5077] <... openat resumed>) = 3 [pid 5075] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5079] <... openat resumed>) = 3 [pid 5078] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5076] sendfile(4, 3, [88] [pid 5077] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5075] <... openat resumed>) = 4 [pid 5079] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5078] <... openat resumed>) = 4 [pid 5079] <... openat resumed>) = 4 [pid 5078] sendfile(4, 3, [88] [pid 5077] <... openat resumed>) = 4 [pid 5075] sendfile(4, 3, [88] [pid 5079] sendfile(4, 3, [88] [ 72.790052][ T5074] syz-executor326 (5074): drop_caches: 1 [ 72.894157][ T5079] syz-executor326 (5079): drop_caches: 1 [ 73.014336][ T5076] syz-executor326 (5076): drop_caches: 1 [ 73.024907][ T5075] syz-executor326 (5075): drop_caches: 1 [ 73.035431][ T5078] syz-executor326 (5078): drop_caches: 1 [ 73.044445][ T5077] syz-executor326 (5077): drop_caches: 1 [pid 5077] sendfile(4, 3, [88] [pid 5074] <... sendfile resumed> => [103], 15) = 15 [pid 5074] memfd_create("syzkaller", 0) = 5 [ 73.126842][ T5074] syz-executor326 (5074): drop_caches: 1 [pid 5074] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87cd1f6000 [pid 5079] <... sendfile resumed> => [103], 15) = 15 [pid 5079] memfd_create("syzkaller", 0) = 5 [ 73.171969][ T5079] syz-executor326 (5079): drop_caches: 1 [pid 5079] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87cd1f6000 [pid 5074] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\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\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\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) = 2097152 [pid 5079] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\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\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\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 5074] munmap(0x7f87cd1f6000, 138412032) = 0 [pid 5074] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5079] <... write resumed>) = 2097152 [pid 5077] <... sendfile resumed> => [103], 15) = 15 [pid 5074] <... openat resumed>) = 6 [pid 5079] munmap(0x7f87cd1f6000, 138412032 [pid 5074] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy) [pid 5074] ioctl(6, LOOP_CLR_FD) = 0 [pid 5079] <... munmap resumed>) = 0 [pid 5077] memfd_create("syzkaller", 0 [pid 5079] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5078] <... sendfile resumed> => [103], 15) = 15 [pid 5077] <... memfd_create resumed>) = 5 [pid 5076] <... sendfile resumed> => [103], 15) = 15 [pid 5079] <... openat resumed>) = 6 [pid 5078] memfd_create("syzkaller", 0 [pid 5077] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5075] <... sendfile resumed> => [103], 15) = 15 [pid 5079] ioctl(6, LOOP_SET_FD, 5 [pid 5078] <... memfd_create resumed>) = 5 [pid 5076] memfd_create("syzkaller", 0 [pid 5077] <... mmap resumed>) = 0x7f87cd1f6000 [pid 5074] ioctl(6, LOOP_SET_FD, 5 [pid 5079] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5078] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5075] memfd_create("syzkaller", 0 [pid 5074] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5078] <... mmap resumed>) = 0x7f87cd1f6000 [pid 5079] ioctl(6, LOOP_CLR_FD [pid 5074] close(6 [pid 5075] <... memfd_create resumed>) = 5 [pid 5075] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87cd1f6000 [ 73.347802][ T5077] syz-executor326 (5077): drop_caches: 1 [ 73.376761][ T5078] syz-executor326 (5078): drop_caches: 1 [ 73.382783][ T5076] syz-executor326 (5076): drop_caches: 1 [ 73.384358][ T5075] syz-executor326 (5075): drop_caches: 1 [pid 5079] <... ioctl resumed>) = 0 [pid 5076] <... memfd_create resumed>) = 5 [pid 5074] <... close resumed>) = 0 [pid 5076] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87cd1f6000 [pid 5074] close(5 [pid 5079] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy) [pid 5079] close(6 [pid 5075] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\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\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\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] <... close resumed>) = 0 [pid 5079] close(5) = 0 [pid 5074] <... close resumed>) = 0 [pid 5079] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 5 [pid 5077] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\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\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\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] pwritev(5, [{iov_base="\xef\xd9\x3e\x66\x46\x70\xbf\xd2\xa6\xb3\xd1\x19\x7c\x8d\x01\xd2\x67\x23\x05\x16\x28\xc9\xcc\x52\xa5\x98\xe2\xa6\xd0\xcf\x8b\xb0\x0d\x25\x2c\x82\x10\xee\x02\x97\x1a\xd2\x5c\x48\x3b\xbd\x96\x85\x08\xfa\x65\x4e\x58\x1a\xd9\x71\x51\x63\x85\x35\x31\xcc\xdb\xde\x9c\x85\xcd\xa0\xb0\x84\x0c\xd6\x64\xea\x6f\xf8\x9e\x78\x63\xf6\xac\x82\x8e\x16\xea\x7e\xd2\xea\xa1\xbe\x00\x7d\x10\x60\x06\xe8\x74\x54\x75\x86"..., iov_len=103}, {iov_base=NULL, iov_len=0}], 2, 11452 [pid 5078] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\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\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\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\x40\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\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\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 resumed>) = 2097152 [pid 5074] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000) = 5 [pid 5075] munmap(0x7f87cd1f6000, 138412032) = 0 [pid 5074] pwritev(5, [{iov_base="\xef\xd9\x3e\x66\x46\x70\xbf\xd2\xa6\xb3\xd1\x19\x7c\x8d\x01\xd2\x67\x23\x05\x16\x28\xc9\xcc\x52\xa5\x98\xe2\xa6\xd0\xcf\x8b\xb0\x0d\x25\x2c\x82\x10\xee\x02\x97\x1a\xd2\x5c\x48\x3b\xbd\x96\x85\x08\xfa\x65\x4e\x58\x1a\xd9\x71\x51\x63\x85\x35\x31\xcc\xdb\xde\x9c\x85\xcd\xa0\xb0\x84\x0c\xd6\x64\xea\x6f\xf8\x9e\x78\x63\xf6\xac\x82\x8e\x16\xea\x7e\xd2\xea\xa1\xbe\x00\x7d\x10\x60\x06\xe8\x74\x54\x75\x86"..., iov_len=103}, {iov_base=NULL, iov_len=0}], 2, 11452 [pid 5075] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 6 [pid 5075] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy) [pid 5075] ioctl(6, LOOP_CLR_FD) = 0 [pid 5075] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy) [pid 5075] close(6) = 0 [pid 5075] close(5 [pid 5078] <... write resumed>) = 2097152 [pid 5076] <... write resumed>) = 2097152 [pid 5076] munmap(0x7f87cd1f6000, 138412032 [pid 5078] munmap(0x7f87cd1f6000, 138412032 [pid 5076] <... munmap resumed>) = 0 [pid 5077] <... write resumed>) = 2097152 [pid 5075] <... close resumed>) = 0 [pid 5076] openat(AT_FDCWD, "/dev/loop5", O_RDWR) = 6 [pid 5077] munmap(0x7f87cd1f6000, 138412032 [pid 5075] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5079] <... pwritev resumed>) = 103 [pid 5074] <... pwritev resumed>) = 103 [pid 5079] exit_group(0 [pid 5078] <... munmap resumed>) = 0 [pid 5076] ioctl(6, LOOP_SET_FD, 5 [pid 5075] <... open resumed>) = 5 [pid 5074] exit_group(0 [pid 5079] <... exit_group resumed>) = ? [pid 5075] pwritev(5, [{iov_base="\xef\xd9\x3e\x66\x46\x70\xbf\xd2\xa6\xb3\xd1\x19\x7c\x8d\x01\xd2\x67\x23\x05\x16\x28\xc9\xcc\x52\xa5\x98\xe2\xa6\xd0\xcf\x8b\xb0\x0d\x25\x2c\x82\x10\xee\x02\x97\x1a\xd2\x5c\x48\x3b\xbd\x96\x85\x08\xfa\x65\x4e\x58\x1a\xd9\x71\x51\x63\x85\x35\x31\xcc\xdb\xde\x9c\x85\xcd\xa0\xb0\x84\x0c\xd6\x64\xea\x6f\xf8\x9e\x78\x63\xf6\xac\x82\x8e\x16\xea\x7e\xd2\xea\xa1\xbe\x00\x7d\x10\x60\x06\xe8\x74\x54\x75\x86"..., iov_len=103}, {iov_base=NULL, iov_len=0}], 2, 11452 [pid 5074] <... exit_group resumed>) = ? [pid 5076] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5077] <... munmap resumed>) = 0 [pid 5079] +++ exited with 0 +++ [pid 5078] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5076] ioctl(6, LOOP_CLR_FD [pid 5075] <... pwritev resumed>) = 103 [pid 5074] +++ exited with 0 +++ [pid 5078] <... openat resumed>) = 6 [pid 5076] <... ioctl resumed>) = 0 [pid 5077] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5075] exit_group(0 [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5074, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=27 /* 0.27 s */} --- [pid 5078] ioctl(6, LOOP_SET_FD, 5 [pid 5077] <... openat resumed>) = 6 [pid 5075] <... exit_group resumed>) = ? [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5079, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=35 /* 0.35 s */} --- [pid 5078] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5077] ioctl(6, LOOP_SET_FD, 5 [pid 5062] restart_syscall(<... resuming interrupted clone ...> [pid 5078] ioctl(6, LOOP_CLR_FD [pid 5077] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5077] ioctl(6, LOOP_CLR_FD [pid 5062] <... restart_syscall resumed>) = 0 [pid 5061] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5078] <... ioctl resumed>) = 0 [pid 5076] ioctl(6, LOOP_SET_FD, 5 [pid 5077] <... ioctl resumed>) = 0 [pid 5076] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5061] <... openat resumed>) = 3 [pid 5076] close(6 [pid 5075] +++ exited with 0 +++ [pid 5061] ioctl(3, LOOP_CLR_FD [pid 5077] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy) [pid 5077] close(6) = 0 [pid 5077] close(5 [pid 5076] <... close resumed>) = 0 [pid 5077] <... close resumed>) = 0 [pid 5064] --- 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=28 /* 0.28 s */} --- [pid 5062] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5061] <... ioctl resumed>) = 0 [pid 5078] ioctl(6, LOOP_SET_FD, 5 [pid 5076] close(5 [pid 5064] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5061] close(3 [pid 5078] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5062] <... openat resumed>) = 3 [pid 5077] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5064] <... openat resumed>) = 3 [pid 5078] close(6 [pid 5062] ioctl(3, LOOP_CLR_FD [pid 5061] <... close resumed>) = 0 [pid 5078] <... close resumed>) = 0 [pid 5077] <... open resumed>) = 5 [pid 5064] ioctl(3, LOOP_CLR_FD [pid 5062] <... ioctl resumed>) = 0 [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5078] close(5 [pid 5064] <... ioctl resumed>) = 0 [pid 5077] pwritev(5, [{iov_base="\xef\xd9\x3e\x66\x46\x70\xbf\xd2\xa6\xb3\xd1\x19\x7c\x8d\x01\xd2\x67\x23\x05\x16\x28\xc9\xcc\x52\xa5\x98\xe2\xa6\xd0\xcf\x8b\xb0\x0d\x25\x2c\x82\x10\xee\x02\x97\x1a\xd2\x5c\x48\x3b\xbd\x96\x85\x08\xfa\x65\x4e\x58\x1a\xd9\x71\x51\x63\x85\x35\x31\xcc\xdb\xde\x9c\x85\xcd\xa0\xb0\x84\x0c\xd6\x64\xea\x6f\xf8\x9e\x78\x63\xf6\xac\x82\x8e\x16\xea\x7e\xd2\xea\xa1\xbe\x00\x7d\x10\x60\x06\xe8\x74\x54\x75\x86"..., iov_len=103}, {iov_base=NULL, iov_len=0}], 2, 11452 [pid 5064] close(3 [pid 5062] close(3 [pid 5064] <... close resumed>) = 0 [pid 5062] <... close resumed>) = 0 [pid 5061] <... clone resumed>, child_tidptr=0x555556b26650) = 5083 ./strace-static-x86_64: Process 5083 attached [pid 5078] <... close resumed>) = 0 [pid 5076] <... close resumed>) = 0 [pid 5077] <... pwritev resumed>) = 103 [pid 5064] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5062] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5077] exit_group(0 [pid 5083] set_robust_list(0x555556b26660, 24) = 0 [pid 5077] <... exit_group resumed>) = ? [pid 5083] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5084 attached [pid 5077] +++ exited with 0 +++ [pid 5084] set_robust_list(0x555556b26660, 24 [pid 5067] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5077, si_uid=0, si_status=0, si_utime=0, si_stime=25 /* 0.25 s */} --- [pid 5084] <... set_robust_list resumed>) = 0 [pid 5083] <... prctl resumed>) = 0 [pid 5083] setpgid(0, 0 [pid 5084] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5083] <... setpgid resumed>) = 0 [pid 5083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5084] <... prctl resumed>) = 0 [pid 5076] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5083] <... openat resumed>) = 3 [pid 5083] write(3, "1000", 4) = 4 [pid 5083] close(3) = 0 [pid 5076] <... open resumed>) = 5 [pid 5084] setpgid(0, 0 [pid 5083] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5076] pwritev(5, [{iov_base="\xef\xd9\x3e\x66\x46\x70\xbf\xd2\xa6\xb3\xd1\x19\x7c\x8d\x01\xd2\x67\x23\x05\x16\x28\xc9\xcc\x52\xa5\x98\xe2\xa6\xd0\xcf\x8b\xb0\x0d\x25\x2c\x82\x10\xee\x02\x97\x1a\xd2\x5c\x48\x3b\xbd\x96\x85\x08\xfa\x65\x4e\x58\x1a\xd9\x71\x51\x63\x85\x35\x31\xcc\xdb\xde\x9c\x85\xcd\xa0\xb0\x84\x0c\xd6\x64\xea\x6f\xf8\x9e\x78\x63\xf6\xac\x82\x8e\x16\xea\x7e\xd2\xea\xa1\xbe\x00\x7d\x10\x60\x06\xe8\x74\x54\x75\x86"..., iov_len=103}, {iov_base=NULL, iov_len=0}], 2, 11452 [pid 5067] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5064] <... clone resumed>, child_tidptr=0x555556b26650) = 5084 ./strace-static-x86_64: Process 5085 attached [pid 5084] <... setpgid resumed>) = 0 [pid 5083] <... openat resumed>) = 3 [pid 5067] <... openat resumed>) = 3 [pid 5062] <... clone resumed>, child_tidptr=0x555556b26650) = 5085 [pid 5085] set_robust_list(0x555556b26660, 24 [pid 5078] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5067] ioctl(3, LOOP_CLR_FD) = 0 [pid 5067] close(3 [pid 5085] <... set_robust_list resumed>) = 0 [pid 5084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5083] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5078] <... open resumed>) = 5 [pid 5067] <... close resumed>) = 0 [pid 5085] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5084] <... openat resumed>) = 3 [pid 5083] <... openat resumed>) = 4 [pid 5078] pwritev(5, [{iov_base="\xef\xd9\x3e\x66\x46\x70\xbf\xd2\xa6\xb3\xd1\x19\x7c\x8d\x01\xd2\x67\x23\x05\x16\x28\xc9\xcc\x52\xa5\x98\xe2\xa6\xd0\xcf\x8b\xb0\x0d\x25\x2c\x82\x10\xee\x02\x97\x1a\xd2\x5c\x48\x3b\xbd\x96\x85\x08\xfa\x65\x4e\x58\x1a\xd9\x71\x51\x63\x85\x35\x31\xcc\xdb\xde\x9c\x85\xcd\xa0\xb0\x84\x0c\xd6\x64\xea\x6f\xf8\x9e\x78\x63\xf6\xac\x82\x8e\x16\xea\x7e\xd2\xea\xa1\xbe\x00\x7d\x10\x60\x06\xe8\x74\x54\x75\x86"..., iov_len=103}, {iov_base=NULL, iov_len=0}], 2, 11452 [pid 5076] <... pwritev resumed>) = 103 [pid 5067] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5085] <... prctl resumed>) = 0 [pid 5084] write(3, "1000", 4 [pid 5083] sendfile(4, 3, [88]./strace-static-x86_64: Process 5086 attached [pid 5085] setpgid(0, 0 [pid 5076] exit_group(0 [pid 5084] <... write resumed>) = 4 [pid 5078] <... pwritev resumed>) = 103 [pid 5084] close(3 [pid 5067] <... clone resumed>, child_tidptr=0x555556b26650) = 5086 [pid 5078] exit_group(0 [pid 5084] <... close resumed>) = 0 [pid 5078] <... exit_group resumed>) = ? [pid 5086] set_robust_list(0x555556b26660, 24 [pid 5085] <... setpgid resumed>) = 0 [pid 5084] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5078] +++ exited with 0 +++ [pid 5076] <... exit_group resumed>) = ? [pid 5086] <... set_robust_list resumed>) = 0 [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5078, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=26 /* 0.26 s */} --- [pid 5086] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5084] <... openat resumed>) = 3 [pid 5076] +++ exited with 0 +++ [pid 5085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5084] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5086] <... prctl resumed>) = 0 [pid 5070] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5076, si_uid=0, si_status=0, si_utime=3 /* 0.03 s */, si_stime=26 /* 0.26 s */} --- [pid 5060] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5086] setpgid(0, 0 [pid 5085] <... openat resumed>) = 3 [pid 5084] <... openat resumed>) = 4 [pid 5070] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5060] <... openat resumed>) = 3 [pid 5086] <... setpgid resumed>) = 0 [pid 5084] sendfile(4, 3, [88] [pid 5060] ioctl(3, LOOP_CLR_FD) = 0 [pid 5060] close(3 [pid 5085] write(3, "1000", 4) = 4 [pid 5085] close(3 [pid 5086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5060] <... close resumed>) = 0 [pid 5085] <... close resumed>) = 0 [pid 5085] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5070] <... openat resumed>) = 3 [pid 5060] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5085] <... openat resumed>) = 3 [pid 5085] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4 [pid 5085] sendfile(4, 3, [88] [pid 5086] <... openat resumed>) = 3 [pid 5070] ioctl(3, LOOP_CLR_FD [pid 5086] write(3, "1000", 4 [pid 5070] <... ioctl resumed>) = 0 [pid 5060] <... clone resumed>, child_tidptr=0x555556b26650) = 5087 [pid 5070] close(3 [pid 5086] <... write resumed>) = 4 [pid 5070] <... close resumed>) = 0 [pid 5086] close(3 [pid 5070] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5086] <... close resumed>) = 0 ./strace-static-x86_64: Process 5087 attached [pid 5087] set_robust_list(0x555556b26660, 24) = 0 [pid 5087] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5086] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5087] <... prctl resumed>) = 0 [pid 5087] setpgid(0, 0 [pid 5086] <... openat resumed>) = 3 [pid 5070] <... clone resumed>, child_tidptr=0x555556b26650) = 5088 [pid 5087] <... setpgid resumed>) = 0 [pid 5087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 5088 attached ) = 3 [pid 5086] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4 [pid 5087] write(3, "1000", 4 [pid 5088] set_robust_list(0x555556b26660, 24 [pid 5086] sendfile(4, 3, [88] [pid 5088] <... set_robust_list resumed>) = 0 [pid 5087] <... write resumed>) = 4 [pid 5088] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5087] close(3 [pid 5088] <... prctl resumed>) = 0 [pid 5087] <... close resumed>) = 0 [pid 5088] setpgid(0, 0 [pid 5087] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3 [pid 5088] <... setpgid resumed>) = 0 [pid 5087] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5087] <... openat resumed>) = 4 [pid 5087] sendfile(4, 3, [88] [pid 5088] <... openat resumed>) = 3 [pid 5088] write(3, "1000", 4) = 4 [pid 5088] close(3) = 0 [pid 5088] openat(AT_FDCWD, "/proc/partitions", O_RDONLY) = 3 [pid 5088] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY) = 4 [ 74.154000][ T5083] syz-executor326 (5083): drop_caches: 1 [ 74.165336][ T5087] syz-executor326 (5087): drop_caches: 1 [ 74.176469][ T5085] syz-executor326 (5085): drop_caches: 1 [ 74.182479][ T5084] syz-executor326 (5084): drop_caches: 1 [ 74.223487][ T5086] syz-executor326 (5086): drop_caches: 1 [ 74.281744][ T5088] syz-executor326 (5088): drop_caches: 1 [pid 5088] sendfile(4, 3, [88] [pid 5083] <... sendfile resumed> => [103], 15) = 15 [ 74.445421][ T5083] syz-executor326 (5083): drop_caches: 1 [ 74.463849][ T5087] syz-executor326 (5087): drop_caches: 1 [pid 5087] <... sendfile resumed> => [103], 15) = 15 [pid 5083] memfd_create("syzkaller", 0 [pid 5087] memfd_create("syzkaller", 0 [pid 5085] <... sendfile resumed> => [103], 15) = 15 [pid 5083] <... memfd_create resumed>) = 5 [pid 5083] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5087] <... memfd_create resumed>) = 5 [pid 5087] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5083] <... mmap resumed>) = 0x7f87cd1f6000 [pid 5087] <... mmap resumed>) = 0x7f87cd1f6000 [ 74.487108][ T5085] syz-executor326 (5085): drop_caches: 1 [ 74.516380][ T5084] syz-executor326 (5084): drop_caches: 1 [pid 5085] memfd_create("syzkaller", 0) = 5 [pid 5085] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87cd1f6000 [pid 5084] <... sendfile resumed> => [103], 15) = 15 [pid 5084] memfd_create("syzkaller", 0) = 5 [pid 5084] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87cd1f6000 [pid 5086] <... sendfile resumed> => [103], 15) = 15 [pid 5083] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\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\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\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("syzkaller", 0) = 5 [pid 5086] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87cd1f6000 [ 74.537943][ T5086] syz-executor326 (5086): drop_caches: 1 [ 74.576936][ T5088] syz-executor326 (5088): drop_caches: 1 [pid 5087] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\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\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\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 5088] <... sendfile resumed> => [103], 15) = 15 [pid 5088] memfd_create("syzkaller", 0) = 5 [pid 5088] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f87cd1f6000 [pid 5085] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\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\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\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 5083] <... write resumed>) = 2097152 [pid 5084] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\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\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\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 5083] munmap(0x7f87cd1f6000, 138412032) = 0 [pid 5086] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\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\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\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] <... write resumed>) = 2097152 [pid 5085] <... write resumed>) = 2097152 [pid 5083] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5088] write(5, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x04\x40\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\x02\x00\x00\x00\x00\x00\x00\x00\x0f\x00\x00\x00\x00\x00\x00\x00\xf6\x00\x00\x00\xf4\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] munmap(0x7f87cd1f6000, 138412032 [pid 5085] munmap(0x7f87cd1f6000, 138412032 [pid 5083] <... openat resumed>) = 6 [pid 5083] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy) [pid 5083] ioctl(6, LOOP_CLR_FD) = 0 [pid 5085] <... munmap resumed>) = 0 [pid 5083] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy) [pid 5087] <... munmap resumed>) = 0 [pid 5085] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5083] close(6) = 0 [pid 5083] close(5 [pid 5085] <... openat resumed>) = 6 [pid 5085] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy) [pid 5085] ioctl(6, LOOP_CLR_FD) = 0 [pid 5085] ioctl(6, LOOP_SET_FD, 5 [pid 5087] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5085] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5087] <... openat resumed>) = 6 [pid 5086] <... write resumed>) = 2097152 [pid 5085] close(6 [pid 5084] <... write resumed>) = 2097152 [pid 5086] munmap(0x7f87cd1f6000, 138412032 [pid 5087] ioctl(6, LOOP_SET_FD, 5 [pid 5085] <... close resumed>) = 0 [pid 5084] munmap(0x7f87cd1f6000, 138412032 [pid 5087] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5086] <... munmap resumed>) = 0 [pid 5085] close(5 [pid 5084] <... munmap resumed>) = 0 [pid 5087] ioctl(6, LOOP_CLR_FD) = 0 [pid 5086] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5087] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy) [pid 5087] close(6) = 0 [pid 5088] <... write resumed>) = 2097152 [pid 5088] munmap(0x7f87cd1f6000, 138412032 [pid 5086] <... openat resumed>) = 6 [pid 5087] close(5 [pid 5088] <... munmap resumed>) = 0 [pid 5086] ioctl(6, LOOP_SET_FD, 5 [pid 5083] <... close resumed>) = 0 [pid 5086] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5086] ioctl(6, LOOP_CLR_FD) = 0 [pid 5084] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5088] openat(AT_FDCWD, "/dev/loop5", O_RDWR [pid 5083] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5084] <... openat resumed>) = 6 [pid 5084] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy) [pid 5088] <... openat resumed>) = 6 [pid 5084] ioctl(6, LOOP_CLR_FD) = 0 [pid 5083] <... open resumed>) = 5 [pid 5086] ioctl(6, LOOP_SET_FD, 5 [pid 5084] ioctl(6, LOOP_SET_FD, 5 [pid 5086] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5084] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5083] pwritev(5, [{iov_base="\xef\xd9\x3e\x66\x46\x70\xbf\xd2\xa6\xb3\xd1\x19\x7c\x8d\x01\xd2\x67\x23\x05\x16\x28\xc9\xcc\x52\xa5\x98\xe2\xa6\xd0\xcf\x8b\xb0\x0d\x25\x2c\x82\x10\xee\x02\x97\x1a\xd2\x5c\x48\x3b\xbd\x96\x85\x08\xfa\x65\x4e\x58\x1a\xd9\x71\x51\x63\x85\x35\x31\xcc\xdb\xde\x9c\x85\xcd\xa0\xb0\x84\x0c\xd6\x64\xea\x6f\xf8\x9e\x78\x63\xf6\xac\x82\x8e\x16\xea\x7e\xd2\xea\xa1\xbe\x00\x7d\x10\x60\x06\xe8\x74\x54\x75\x86"..., iov_len=103}, {iov_base=NULL, iov_len=0}], 2, 11452 [pid 5088] ioctl(6, LOOP_SET_FD, 5 [pid 5086] close(6 [pid 5084] close(6 [pid 5088] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5087] <... close resumed>) = 0 [pid 5086] <... close resumed>) = 0 [pid 5085] <... close resumed>) = 0 [pid 5088] ioctl(6, LOOP_CLR_FD [pid 5087] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5086] close(5 [pid 5085] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5084] <... close resumed>) = 0 [pid 5088] <... ioctl resumed>) = 0 [pid 5087] <... open resumed>) = 5 [pid 5085] <... open resumed>) = 5 [pid 5084] close(5 [pid 5087] pwritev(5, [{iov_base="\xef\xd9\x3e\x66\x46\x70\xbf\xd2\xa6\xb3\xd1\x19\x7c\x8d\x01\xd2\x67\x23\x05\x16\x28\xc9\xcc\x52\xa5\x98\xe2\xa6\xd0\xcf\x8b\xb0\x0d\x25\x2c\x82\x10\xee\x02\x97\x1a\xd2\x5c\x48\x3b\xbd\x96\x85\x08\xfa\x65\x4e\x58\x1a\xd9\x71\x51\x63\x85\x35\x31\xcc\xdb\xde\x9c\x85\xcd\xa0\xb0\x84\x0c\xd6\x64\xea\x6f\xf8\x9e\x78\x63\xf6\xac\x82\x8e\x16\xea\x7e\xd2\xea\xa1\xbe\x00\x7d\x10\x60\x06\xe8\x74\x54\x75\x86"..., iov_len=103}, {iov_base=NULL, iov_len=0}], 2, 11452 [pid 5085] pwritev(5, [{iov_base="\xef\xd9\x3e\x66\x46\x70\xbf\xd2\xa6\xb3\xd1\x19\x7c\x8d\x01\xd2\x67\x23\x05\x16\x28\xc9\xcc\x52\xa5\x98\xe2\xa6\xd0\xcf\x8b\xb0\x0d\x25\x2c\x82\x10\xee\x02\x97\x1a\xd2\x5c\x48\x3b\xbd\x96\x85\x08\xfa\x65\x4e\x58\x1a\xd9\x71\x51\x63\x85\x35\x31\xcc\xdb\xde\x9c\x85\xcd\xa0\xb0\x84\x0c\xd6\x64\xea\x6f\xf8\x9e\x78\x63\xf6\xac\x82\x8e\x16\xea\x7e\xd2\xea\xa1\xbe\x00\x7d\x10\x60\x06\xe8\x74\x54\x75\x86"..., iov_len=103}, {iov_base=NULL, iov_len=0}], 2, 11452 [pid 5083] <... pwritev resumed>) = 103 [pid 5088] ioctl(6, LOOP_SET_FD, 5) = -1 EBUSY (Device or resource busy) [pid 5083] exit_group(0 [pid 5087] <... pwritev resumed>) = 103 [pid 5088] close(6 [pid 5083] <... exit_group resumed>) = ? [pid 5087] exit_group(0 [pid 5088] <... close resumed>) = 0 [pid 5087] <... exit_group resumed>) = ? [pid 5083] +++ exited with 0 +++ [pid 5085] <... pwritev resumed>) = 103 [pid 5088] close(5 [pid 5061] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5083, si_uid=0, si_status=0, si_utime=0, si_stime=29 /* 0.29 s */} --- [pid 5061] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5061] ioctl(3, LOOP_CLR_FD) = 0 [pid 5061] close(3) = 0 [pid 5061] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555556b26650) = 5089 ./strace-static-x86_64: Process 5089 attached [pid 5087] +++ exited with 0 +++ [pid 5086] <... close resumed>) = 0 [pid 5085] exit_group(0 [pid 5084] <... close resumed>) = 0 [pid 5089] set_robust_list(0x555556b26660, 24) = 0 [pid 5089] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5085] <... exit_group resumed>) = ? [pid 5060] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5087, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 5089] <... prctl resumed>) = 0 [pid 5085] +++ exited with 0 +++ [pid 5089] setpgid(0, 0 [pid 5060] restart_syscall(<... resuming interrupted clone ...> [pid 5089] <... setpgid resumed>) = 0 [pid 5062] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5085, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 5060] <... restart_syscall resumed>) = 0 [pid 5089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5062] restart_syscall(<... resuming interrupted clone ...> [pid 5089] <... openat resumed>) = 3 [pid 5062] <... restart_syscall resumed>) = 0 [pid 5089] write(3, "1000", 4) = 4 [pid 5089] close(3 [pid 5062] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5060] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5089] <... close resumed>) = 0 [pid 5062] <... openat resumed>) = 3 [pid 5060] <... openat resumed>) = 3 [pid 5089] openat(AT_FDCWD, "/proc/partitions", O_RDONLY [pid 5084] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5089] <... openat resumed>) = 3 [pid 5084] <... open resumed>) = 5 [pid 5062] ioctl(3, LOOP_CLR_FD [pid 5060] ioctl(3, LOOP_CLR_FD [pid 5089] openat(AT_FDCWD, "/proc/sys/vm/drop_caches", O_WRONLY [pid 5084] pwritev(5, [{iov_base="\xef\xd9\x3e\x66\x46\x70\xbf\xd2\xa6\xb3\xd1\x19\x7c\x8d\x01\xd2\x67\x23\x05\x16\x28\xc9\xcc\x52\xa5\x98\xe2\xa6\xd0\xcf\x8b\xb0\x0d\x25\x2c\x82\x10\xee\x02\x97\x1a\xd2\x5c\x48\x3b\xbd\x96\x85\x08\xfa\x65\x4e\x58\x1a\xd9\x71\x51\x63\x85\x35\x31\xcc\xdb\xde\x9c\x85\xcd\xa0\xb0\x84\x0c\xd6\x64\xea\x6f\xf8\x9e\x78\x63\xf6\xac\x82\x8e\x16\xea\x7e\xd2\xea\xa1\xbe\x00\x7d\x10\x60\x06\xe8\x74\x54\x75\x86"..., iov_len=103}, {iov_base=NULL, iov_len=0}], 2, 11452 [pid 5089] <... openat resumed>) = 4 [pid 5062] <... ioctl resumed>) = 0 [pid 5060] <... ioctl resumed>) = 0 [pid 5089] sendfile(4, 3, [88] [pid 5086] open("./file1", O_RDWR|O_CREAT|O_SYNC|O_NOATIME|FASYNC, 000 [pid 5062] close(3 [pid 5060] close(3 [pid 5086] <... open resumed>) = 5 [pid 5062] <... close resumed>) = 0 [pid 5086] pwritev(5, [{iov_base="\xef\xd9\x3e\x66\x46\x70\xbf\xd2\xa6\xb3\xd1\x19\x7c\x8d\x01\xd2\x67\x23\x05\x16\x28\xc9\xcc\x52\xa5\x98\xe2\xa6\xd0\xcf\x8b\xb0\x0d\x25\x2c\x82\x10\xee\x02\x97\x1a\xd2\x5c\x48\x3b\xbd\x96\x85\x08\xfa\x65\x4e\x58\x1a\xd9\x71\x51\x63\x85\x35\x31\xcc\xdb\xde\x9c\x85\xcd\xa0\xb0\x84\x0c\xd6\x64\xea\x6f\xf8\x9e\x78\x63\xf6\xac\x82\x8e\x16\xea\x7e\xd2\xea\xa1\xbe\x00\x7d\x10\x60\x06\xe8\x74\x54\x75\x86"..., iov_len=103}, {iov_base=NULL, iov_len=0}], 2, 11452