./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2049218247 <...> Warning: Permanently added '10.128.0.190' (ED25519) to the list of known hosts. execve("./syz-executor2049218247", ["./syz-executor2049218247"], 0x7ffea33df8f0 /* 10 vars */) = 0 brk(NULL) = 0x555565fd4000 brk(0x555565fd4d00) = 0x555565fd4d00 arch_prctl(ARCH_SET_FS, 0x555565fd4380) = 0 set_tid_address(0x555565fd4650) = 5791 set_robust_list(0x555565fd4660, 24) = 0 rseq(0x555565fd4ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2049218247", 4096) = 28 getrandom("\x1b\x48\x8b\x1d\xb9\x45\xb0\x6f", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555565fd4d00 brk(0x555565ff5d00) = 0x555565ff5d00 brk(0x555565ff6000) = 0x555565ff6000 mprotect(0x7ff5b7f2b000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565fd4650) = 5792 ./strace-static-x86_64: Process 5792 attached [pid 5792] set_robust_list(0x555565fd4660, 24) = 0 [pid 5792] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5792] setpgid(0, 0) = 0 [pid 5792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5792] write(3, "1000", 4) = 4 [pid 5792] close(3) = 0 executing program [pid 5792] write(1, "executing program\n", 18) = 18 [pid 5792] memfd_create("syzkaller", 0) = 3 [pid 5792] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff5afa00000 [pid 5792] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\x8f\x34\xca\x45\x94\x26\x12\x7a\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5792] munmap(0x7ff5afa00000, 138412032) = 0 [pid 5792] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5792] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5792] close(3) = 0 [pid 5792] close(4) = 0 [pid 5792] mkdir("./file0", 0777) = 0 [ 178.017154][ T5792] loop0: detected capacity change from 0 to 4096 [ 178.042443][ T5792] ntfs3(loop0): Different NTFS sector size (2048) and media sector size (512). [pid 5792] mount("/dev/loop0", "./file0", "ntfs3", MS_SYNCHRONOUS|MS_DIRSYNC|MS_NODIRATIME, "") = 0 [pid 5792] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5792] chdir("./file0") = 0 [pid 5792] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5792] openat(AT_FDCWD, ".", O_RDONLY) = 4 [pid 5792] linkat(4, "./file1", 4, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0) = 0 [pid 5792] exit_group(0) = ? [pid 5792] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5792, si_uid=0, si_status=0, si_utime=0, si_stime=24 /* 0.24 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5794 attached , child_tidptr=0x555565fd4650) = 5794 [pid 5794] set_robust_list(0x555565fd4660, 24) = 0 [pid 5794] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5794] setpgid(0, 0) = 0 [pid 5794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5794] write(3, "1000", 4) = 4 [pid 5794] close(3executing program ) = 0 [pid 5794] write(1, "executing program\n", 18) = 18 [pid 5794] memfd_create("syzkaller", 0) = 3 [pid 5794] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff5afa00000 [pid 5794] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\x8f\x34\xca\x45\x94\x26\x12\x7a\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5794] munmap(0x7ff5afa00000, 138412032) = 0 [pid 5794] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5794] close(3) = 0 [pid 5794] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5794] linkat(3, "./file1", 3, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0) = -1 ENOENT (No such file or directory) [pid 5794] exit_group(0) = ? [pid 5794] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5794, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565fd4650) = 5795 ./strace-static-x86_64: Process 5795 attached [pid 5795] set_robust_list(0x555565fd4660, 24) = 0 [pid 5795] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5795] setpgid(0, 0) = 0 [pid 5795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5795] write(3, "1000", 4executing program ) = 4 [pid 5795] close(3) = 0 [pid 5795] write(1, "executing program\n", 18) = 18 [pid 5795] memfd_create("syzkaller", 0) = 3 [pid 5795] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff5afa00000 [pid 5795] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\x8f\x34\xca\x45\x94\x26\x12\x7a\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5795] munmap(0x7ff5afa00000, 138412032) = 0 [pid 5795] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5795] close(3) = 0 [pid 5795] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5795] linkat(3, "./file1", 3, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0) = -1 ENOENT (No such file or directory) [pid 5795] exit_group(0) = ? [pid 5795] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5795, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565fd4650) = 5796 ./strace-static-x86_64: Process 5796 attached [pid 5796] set_robust_list(0x555565fd4660, 24) = 0 [pid 5796] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5796] setpgid(0, 0) = 0 [pid 5796] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 5796] write(3, "1000", 4) = 4 [pid 5796] close(3) = 0 [pid 5796] write(1, "executing program\n", 18) = 18 [pid 5796] memfd_create("syzkaller", 0) = 3 [pid 5796] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff5afa00000 [pid 5796] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\x8f\x34\xca\x45\x94\x26\x12\x7a\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5796] munmap(0x7ff5afa00000, 138412032) = 0 [pid 5796] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5796] close(3) = 0 [pid 5796] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5796] linkat(3, "./file1", 3, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0) = -1 ENOENT (No such file or directory) [pid 5796] exit_group(0) = ? [pid 5796] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5796, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565fd4650) = 5797 ./strace-static-x86_64: Process 5797 attached [pid 5797] set_robust_list(0x555565fd4660, 24) = 0 [pid 5797] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5797] setpgid(0, 0) = 0 [pid 5797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5797] write(3, "1000", 4executing program ) = 4 [pid 5797] close(3) = 0 [pid 5797] write(1, "executing program\n", 18) = 18 [pid 5797] memfd_create("syzkaller", 0) = 3 [pid 5797] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff5afa00000 [pid 5797] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\x8f\x34\xca\x45\x94\x26\x12\x7a\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5797] munmap(0x7ff5afa00000, 138412032) = 0 [pid 5797] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5797] close(3) = 0 [pid 5797] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5797] linkat(3, "./file1", 3, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0) = -1 ENOENT (No such file or directory) [pid 5797] exit_group(0) = ? [pid 5797] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5797, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5798 attached , child_tidptr=0x555565fd4650) = 5798 [pid 5798] set_robust_list(0x555565fd4660, 24) = 0 [pid 5798] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5798] setpgid(0, 0) = 0 [pid 5798] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5798] write(3, "1000", 4) = 4 [pid 5798] close(3) = 0 [pid 5798] write(1, "executing program\n", 18executing program ) = 18 [pid 5798] memfd_create("syzkaller", 0) = 3 [pid 5798] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff5afa00000 [pid 5798] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\x8f\x34\xca\x45\x94\x26\x12\x7a\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5798] munmap(0x7ff5afa00000, 138412032) = 0 [pid 5798] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5798] close(3) = 0 [pid 5798] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5798] linkat(3, "./file1", 3, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0) = -1 ENOENT (No such file or directory) [pid 5798] exit_group(0) = ? [pid 5798] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5798, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5799 attached , child_tidptr=0x555565fd4650) = 5799 [pid 5799] set_robust_list(0x555565fd4660, 24) = 0 [pid 5799] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5799] setpgid(0, 0) = 0 [pid 5799] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 5799] write(3, "1000", 4) = 4 [pid 5799] close(3) = 0 [pid 5799] write(1, "executing program\n", 18) = 18 [pid 5799] memfd_create("syzkaller", 0) = 3 [pid 5799] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff5afa00000 [pid 5799] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\x8f\x34\xca\x45\x94\x26\x12\x7a\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5799] munmap(0x7ff5afa00000, 138412032) = 0 [pid 5799] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5799] close(3) = 0 [pid 5799] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5799] linkat(3, "./file1", 3, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0) = -1 ENOENT (No such file or directory) [pid 5799] exit_group(0) = ? [pid 5799] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5799, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5800 attached , child_tidptr=0x555565fd4650) = 5800 [pid 5800] set_robust_list(0x555565fd4660, 24) = 0 [pid 5800] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5800] setpgid(0, 0) = 0 [pid 5800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 5800] write(3, "1000", 4) = 4 [pid 5800] close(3) = 0 [pid 5800] write(1, "executing program\n", 18) = 18 [pid 5800] memfd_create("syzkaller", 0) = 3 [pid 5800] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff5afa00000 [pid 5800] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\x8f\x34\xca\x45\x94\x26\x12\x7a\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5800] munmap(0x7ff5afa00000, 138412032) = 0 [pid 5800] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5800] close(3) = 0 [pid 5800] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5800] linkat(3, "./file1", 3, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0) = -1 ENOENT (No such file or directory) [pid 5800] exit_group(0) = ? [pid 5800] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5800, si_uid=0, si_status=0, si_utime=0, si_stime=18 /* 0.18 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5801 attached , child_tidptr=0x555565fd4650) = 5801 [pid 5801] set_robust_list(0x555565fd4660, 24) = 0 [pid 5801] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5801] setpgid(0, 0) = 0 [pid 5801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5801] write(3, "1000", 4) = 4 executing program [pid 5801] close(3) = 0 [pid 5801] write(1, "executing program\n", 18) = 18 [pid 5801] memfd_create("syzkaller", 0) = 3 [pid 5801] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff5afa00000 [pid 5801] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\x8f\x34\xca\x45\x94\x26\x12\x7a\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5801] munmap(0x7ff5afa00000, 138412032) = 0 [pid 5801] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5801] close(3) = 0 [pid 5801] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5801] linkat(3, "./file1", 3, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0) = -1 ENOENT (No such file or directory) [pid 5801] exit_group(0) = ? [pid 5801] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5801, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565fd4650) = 5802 ./strace-static-x86_64: Process 5802 attached [pid 5802] set_robust_list(0x555565fd4660, 24) = 0 [pid 5802] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5802] setpgid(0, 0) = 0 [pid 5802] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5802] write(3, "1000", 4) = 4 [pid 5802] close(3) = 0 executing program [pid 5802] write(1, "executing program\n", 18) = 18 [pid 5802] memfd_create("syzkaller", 0) = 3 [pid 5802] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff5afa00000 [pid 5802] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\x8f\x34\xca\x45\x94\x26\x12\x7a\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5802] munmap(0x7ff5afa00000, 138412032) = 0 [pid 5802] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5802] close(3) = 0 [pid 5802] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5802] linkat(3, "./file1", 3, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0) = -1 ENOENT (No such file or directory) [pid 5802] exit_group(0) = ? [pid 5802] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5802, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565fd4650) = 5803 ./strace-static-x86_64: Process 5803 attached [pid 5803] set_robust_list(0x555565fd4660, 24) = 0 [pid 5803] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5803] setpgid(0, 0) = 0 [pid 5803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5803] write(3, "1000", 4executing program ) = 4 [pid 5803] close(3) = 0 [pid 5803] write(1, "executing program\n", 18) = 18 [pid 5803] memfd_create("syzkaller", 0) = 3 [pid 5803] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff5afa00000 [pid 5803] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\x8f\x34\xca\x45\x94\x26\x12\x7a\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5803] munmap(0x7ff5afa00000, 138412032) = 0 [pid 5803] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5803] close(3) = 0 [pid 5803] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5803] linkat(3, "./file1", 3, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0) = -1 ENOENT (No such file or directory) [pid 5803] exit_group(0) = ? [pid 5803] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5803, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5804 attached , child_tidptr=0x555565fd4650) = 5804 [pid 5804] set_robust_list(0x555565fd4660, 24) = 0 [pid 5804] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5804] setpgid(0, 0) = 0 [pid 5804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5804] write(3, "1000", 4) = 4 [pid 5804] close(3) = 0 executing program [pid 5804] write(1, "executing program\n", 18) = 18 [pid 5804] memfd_create("syzkaller", 0) = 3 [pid 5804] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff5afa00000 [pid 5804] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\x8f\x34\xca\x45\x94\x26\x12\x7a\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5804] munmap(0x7ff5afa00000, 138412032) = 0 [pid 5804] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5804] close(3) = 0 [pid 5804] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5804] linkat(3, "./file1", 3, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0) = -1 ENOENT (No such file or directory) [pid 5804] exit_group(0) = ? [pid 5804] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5804, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565fd4650) = 5805 ./strace-static-x86_64: Process 5805 attached [pid 5805] set_robust_list(0x555565fd4660, 24) = 0 [pid 5805] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5805] setpgid(0, 0) = 0 [pid 5805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5805] write(3, "1000", 4executing program ) = 4 [pid 5805] close(3) = 0 [pid 5805] write(1, "executing program\n", 18) = 18 [pid 5805] memfd_create("syzkaller", 0) = 3 [pid 5805] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff5afa00000 [pid 5805] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\x8f\x34\xca\x45\x94\x26\x12\x7a\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5805] munmap(0x7ff5afa00000, 138412032) = 0 [pid 5805] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5805] close(3) = 0 [pid 5805] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5805] linkat(3, "./file1", 3, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0) = -1 ENOENT (No such file or directory) [pid 5805] exit_group(0) = ? [pid 5805] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5805, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565fd4650) = 5806 ./strace-static-x86_64: Process 5806 attached [pid 5806] set_robust_list(0x555565fd4660, 24) = 0 [pid 5806] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5806] setpgid(0, 0) = 0 [pid 5806] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5806] write(3, "1000", 4) = 4 [pid 5806] close(3) = 0 [pid 5806] write(1, "executing program\n", 18) = 18 executing program [pid 5806] memfd_create("syzkaller", 0) = 3 [pid 5806] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff5afa00000 [pid 5806] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\x8f\x34\xca\x45\x94\x26\x12\x7a\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5806] munmap(0x7ff5afa00000, 138412032) = 0 [pid 5806] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5806] close(3) = 0 [pid 5806] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5806] linkat(3, "./file1", 3, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0) = -1 ENOENT (No such file or directory) [pid 5806] exit_group(0) = ? [pid 5806] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5806, si_uid=0, si_status=0, si_utime=0, si_stime=21 /* 0.21 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565fd4650) = 5807 ./strace-static-x86_64: Process 5807 attached [pid 5807] set_robust_list(0x555565fd4660, 24) = 0 [pid 5807] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5807] setpgid(0, 0) = 0 [pid 5807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5807] write(3, "1000", 4) = 4 executing program [pid 5807] close(3) = 0 [pid 5807] write(1, "executing program\n", 18) = 18 [pid 5807] memfd_create("syzkaller", 0) = 3 [pid 5807] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff5afa00000 [pid 5807] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\x8f\x34\xca\x45\x94\x26\x12\x7a\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5807] munmap(0x7ff5afa00000, 138412032) = 0 [pid 5807] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5807] close(3) = 0 [pid 5807] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5807] linkat(3, "./file1", 3, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0) = -1 ENOENT (No such file or directory) [pid 5807] exit_group(0) = ? [pid 5807] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5807, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565fd4650) = 5808 ./strace-static-x86_64: Process 5808 attached [pid 5808] set_robust_list(0x555565fd4660, 24) = 0 [pid 5808] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5808] setpgid(0, 0) = 0 [pid 5808] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5808] write(3, "1000", 4) = 4 executing program [pid 5808] close(3) = 0 [pid 5808] write(1, "executing program\n", 18) = 18 [pid 5808] memfd_create("syzkaller", 0) = 3 [pid 5808] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff5afa00000 [pid 5808] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\x8f\x34\xca\x45\x94\x26\x12\x7a\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5808] munmap(0x7ff5afa00000, 138412032) = 0 [pid 5808] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5808] close(3) = 0 [pid 5808] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5808] linkat(3, "./file1", 3, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0) = -1 ENOENT (No such file or directory) [pid 5808] exit_group(0) = ? [pid 5808] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5808, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=18 /* 0.18 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565fd4650) = 5809 ./strace-static-x86_64: Process 5809 attached [pid 5809] set_robust_list(0x555565fd4660, 24) = 0 [pid 5809] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5809] setpgid(0, 0) = 0 [pid 5809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5809] write(3, "1000", 4) = 4 [pid 5809] close(3) = 0 executing program [pid 5809] write(1, "executing program\n", 18) = 18 [pid 5809] memfd_create("syzkaller", 0) = 3 [pid 5809] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff5afa00000 [pid 5809] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\x8f\x34\xca\x45\x94\x26\x12\x7a\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5809] munmap(0x7ff5afa00000, 138412032) = 0 [pid 5809] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5809] close(3) = 0 [pid 5809] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5809] linkat(3, "./file1", 3, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0) = -1 ENOENT (No such file or directory) [pid 5809] exit_group(0) = ? [pid 5809] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5809, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565fd4650) = 5810 ./strace-static-x86_64: Process 5810 attached [pid 5810] set_robust_list(0x555565fd4660, 24) = 0 [pid 5810] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5810] setpgid(0, 0) = 0 [pid 5810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5810] write(3, "1000", 4executing program ) = 4 [pid 5810] close(3) = 0 [pid 5810] write(1, "executing program\n", 18) = 18 [pid 5810] memfd_create("syzkaller", 0) = 3 [pid 5810] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff5afa00000 [pid 5810] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\x8f\x34\xca\x45\x94\x26\x12\x7a\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5810] munmap(0x7ff5afa00000, 138412032) = 0 [pid 5810] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5810] close(3) = 0 [pid 5810] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5810] linkat(3, "./file1", 3, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0) = -1 ENOENT (No such file or directory) [pid 5810] exit_group(0) = ? [pid 5810] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5810, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565fd4650) = 5811 ./strace-static-x86_64: Process 5811 attached [pid 5811] set_robust_list(0x555565fd4660, 24) = 0 [pid 5811] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5811] setpgid(0, 0) = 0 [pid 5811] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 5811] write(3, "1000", 4) = 4 [pid 5811] close(3) = 0 [pid 5811] write(1, "executing program\n", 18) = 18 [pid 5811] memfd_create("syzkaller", 0) = 3 [pid 5811] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff5afa00000 [pid 5811] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\x8f\x34\xca\x45\x94\x26\x12\x7a\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5811] munmap(0x7ff5afa00000, 138412032) = 0 [pid 5811] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5811] close(3) = 0 [pid 5811] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5811] linkat(3, "./file1", 3, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0) = -1 ENOENT (No such file or directory) [pid 5811] exit_group(0) = ? [pid 5811] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5811, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5812 attached , child_tidptr=0x555565fd4650) = 5812 [pid 5812] set_robust_list(0x555565fd4660, 24) = 0 [pid 5812] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5812] setpgid(0, 0) = 0 [pid 5812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5812] write(3, "1000", 4) = 4 [pid 5812] close(3) = 0 executing program [pid 5812] write(1, "executing program\n", 18) = 18 [pid 5812] memfd_create("syzkaller", 0) = 3 [pid 5812] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff5afa00000 [pid 5812] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\x8f\x34\xca\x45\x94\x26\x12\x7a\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5812] munmap(0x7ff5afa00000, 138412032) = 0 [pid 5812] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5812] close(3) = 0 [pid 5812] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5812] linkat(3, "./file1", 3, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0) = -1 ENOENT (No such file or directory) [pid 5812] exit_group(0) = ? [pid 5812] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5812, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565fd4650) = 5813 ./strace-static-x86_64: Process 5813 attached [pid 5813] set_robust_list(0x555565fd4660, 24) = 0 [pid 5813] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5813] setpgid(0, 0) = 0 [pid 5813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5813] write(3, "1000", 4executing program ) = 4 [pid 5813] close(3) = 0 [pid 5813] write(1, "executing program\n", 18) = 18 [pid 5813] memfd_create("syzkaller", 0) = 3 [pid 5813] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff5afa00000 [pid 5813] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\x8f\x34\xca\x45\x94\x26\x12\x7a\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5813] munmap(0x7ff5afa00000, 138412032) = 0 [pid 5813] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5813] close(3) = 0 [pid 5813] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5813] linkat(3, "./file1", 3, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0) = -1 ENOENT (No such file or directory) [pid 5813] exit_group(0) = ? [pid 5813] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5813, si_uid=0, si_status=0, si_utime=0, si_stime=19 /* 0.19 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5814 attached , child_tidptr=0x555565fd4650) = 5814 [pid 5814] set_robust_list(0x555565fd4660, 24) = 0 [pid 5814] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5814] setpgid(0, 0) = 0 [pid 5814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5814] write(3, "1000", 4) = 4 [pid 5814] close(3) = 0 [pid 5814] write(1, "executing program\n", 18executing program ) = 18 [pid 5814] memfd_create("syzkaller", 0) = 3 [pid 5814] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff5afa00000 [pid 5814] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\x8f\x34\xca\x45\x94\x26\x12\x7a\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [pid 5814] munmap(0x7ff5afa00000, 138412032) = 0 [pid 5814] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5814] close(3) = 0 [pid 5814] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5814] linkat(3, "./file1", 3, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0) = -1 ENOENT (No such file or directory) [pid 5814] exit_group(0) = ? [pid 5814] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5814, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555565fd4650) = 5815 ./strace-static-x86_64: Process 5815 attached [pid 5815] set_robust_list(0x555565fd4660, 24) = 0 [pid 5815] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5815] setpgid(0, 0) = 0 [pid 5815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 183.166410][ T4538] ===================================================== [ 183.177341][ T4538] BUG: KMSAN: uninit-value in bcmp+0xc3/0x1c0 [ 183.184024][ T4538] bcmp+0xc3/0x1c0 [ 183.188164][ T4538] ni_update_parent+0xeda/0x14b0 [ 183.193773][ T4538] ni_write_inode+0x1cf4/0x1de0 [ 183.200201][ T4538] ntfs3_write_inode+0x94/0xb0 [ 183.205295][ T4538] __writeback_single_inode+0x8da/0x1290 [pid 5815] write(3, "1000", 4) = 4 [pid 5815] close(3) = 0 executing program [pid 5815] write(1, "executing program\n", 18) = 18 [pid 5815] memfd_create("syzkaller", 0) = 3 [pid 5815] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff5afa00000 [ 183.213213][ T4538] writeback_sb_inodes+0xa34/0x1c20 [ 183.220841][ T4538] __writeback_inodes_wb+0x14c/0x440 [ 183.226536][ T4538] wb_writeback+0x50b/0xcb0 [ 183.233072][ T4538] wb_workfn+0x122c/0x1940 [ 183.238531][ T4538] process_scheduled_works+0xae0/0x1c40 [ 183.244310][ T4538] worker_thread+0xea7/0x14f0 [ 183.249374][ T4538] kthread+0x3e2/0x540 [ 183.253657][ T4538] ret_from_fork+0x6d/0x90 [ 183.258336][ T4538] ret_from_fork_asm+0x1a/0x30 [ 183.263306][ T4538] [ 183.265857][ T4538] Uninit was stored to memory at: [ 183.271176][ T4538] ni_add_name+0xe1b/0x10d0 [ 183.276771][ T4538] ntfs_link_inode+0x265/0x310 [ 183.281726][ T4538] ntfs_link+0x21d/0x500 [ 183.286354][ T4538] vfs_link+0x94c/0xb70 [ 183.290713][ T4538] do_linkat+0x4f5/0xfd0 [ 183.295309][ T4538] __x64_sys_linkat+0x186/0x230 [ 183.300360][ T4538] x64_sys_call+0x37e1/0x3ba0 [ 183.305541][ T4538] do_syscall_64+0xcd/0x1e0 [ 183.310259][ T4538] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 183.316522][ T4538] [ 183.318959][ T4538] Uninit was created at: [ 183.323463][ T4538] kmem_cache_alloc_noprof+0x637/0xb20 [ 183.329262][ T4538] ntfs_link_inode+0x8f/0x310 [ 183.334118][ T4538] ntfs_link+0x21d/0x500 [ 183.338758][ T4538] vfs_link+0x94c/0xb70 [ 183.343118][ T4538] do_linkat+0x4f5/0xfd0 [ 183.347731][ T4538] __x64_sys_linkat+0x186/0x230 [ 183.352795][ T4538] x64_sys_call+0x37e1/0x3ba0 [ 183.357830][ T4538] do_syscall_64+0xcd/0x1e0 [ 183.362551][ T4538] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 183.368904][ T4538] [ 183.371358][ T4538] CPU: 1 UID: 0 PID: 4538 Comm: kworker/u8:25 Not tainted 6.12.0-rc6-syzkaller-00272-gda4373fbcf00 #0 [ 183.382860][ T4538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 [ 183.393267][ T4538] Workqueue: writeback wb_workfn (flush-7:0) [ 183.399735][ T4538] ===================================================== [ 183.406903][ T4538] Disabling lock debugging due to kernel taint [ 183.413185][ T4538] Kernel panic - not syncing: kmsan.panic set ... [ 183.419754][ T4538] CPU: 1 UID: 0 PID: 4538 Comm: kworker/u8:25 Tainted: G B 6.12.0-rc6-syzkaller-00272-gda4373fbcf00 #0 [ 183.432402][ T4538] Tainted: [B]=BAD_PAGE [ 183.436674][ T4538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 [ 183.446896][ T4538] Workqueue: writeback wb_workfn (flush-7:0) [ 183.453153][ T4538] Call Trace: [ 183.456560][ T4538] [ 183.459610][ T4538] dump_stack_lvl+0x216/0x2d0 [pid 5815] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x08\x02\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\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\xf5\x00\x00\x00\x01\x00\x00\x00\x8f\x34\xca\x45\x94\x26\x12\x7a\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152 [ 183.464506][ T4538] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 183.470504][ T4538] dump_stack+0x1e/0x30 [ 183.474875][ T4538] panic+0x4e2/0xcf0 [ 183.478974][ T4538] ? kmsan_get_metadata+0x131/0x1c0 [ 183.484372][ T4538] kmsan_report+0x2c7/0x2d0 [ 183.489183][ T4538] ? kmsan_get_metadata+0x13e/0x1c0 [ 183.494549][ T4538] ? __msan_warning+0x95/0x120 [ 183.499541][ T4538] ? bcmp+0xc3/0x1c0 [ 183.503605][ T4538] ? ni_update_parent+0xeda/0x14b0 [ 183.509032][ T4538] ? ni_write_inode+0x1cf4/0x1de0 [pid 5815] munmap(0x7ff5afa00000, 138412032) = 0 [pid 5815] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 183.514274][ T4538] ? ntfs3_write_inode+0x94/0xb0 [ 183.519415][ T4538] ? __writeback_single_inode+0x8da/0x1290 [ 183.525470][ T4538] ? writeback_sb_inodes+0xa34/0x1c20 [ 183.531076][ T4538] ? __writeback_inodes_wb+0x14c/0x440 [ 183.536878][ T4538] ? wb_writeback+0x50b/0xcb0 [ 183.541773][ T4538] ? wb_workfn+0x122c/0x1940 [ 183.546563][ T4538] ? process_scheduled_works+0xae0/0x1c40 [ 183.552509][ T4538] ? worker_thread+0xea7/0x14f0 [ 183.557572][ T4538] ? kthread+0x3e2/0x540 [ 183.562045][ T4538] ? ret_from_fork+0x6d/0x90 [pid 5815] close(3) = 0 [pid 5815] openat(AT_FDCWD, ".", O_RDONLY) = 3 [pid 5815] linkat(3, "./file1", 3, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0) = -1 ENOENT (No such file or directory) [pid 5815] exit_group(0) = ? [ 183.566828][ T4538] ? ret_from_fork_asm+0x1a/0x30 [ 183.571993][ T4538] ? kmsan_get_metadata+0x13e/0x1c0 [ 183.577477][ T4538] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 183.583503][ T4538] ? mi_find_attr+0x458/0x4a0 [ 183.588430][ T4538] ? ni_find_attr+0x23c/0xf20 [ 183.593303][ T4538] ? kmsan_get_metadata+0x13e/0x1c0 [ 183.598694][ T4538] ? kmsan_get_metadata+0x13e/0x1c0 [ 183.604084][ T4538] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 183.610092][ T4538] __msan_warning+0x95/0x120 [ 183.614911][ T4538] bcmp+0xc3/0x1c0 [pid 5815] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5815, si_uid=0, si_status=0, si_utime=0, si_stime=31 /* 0.31 s */} --- [ 183.618802][ T4538] ni_update_parent+0xeda/0x14b0 [ 183.623995][ T4538] ni_write_inode+0x1cf4/0x1de0 [ 183.629083][ T4538] ? do_writepages+0xa28/0xc30 [ 183.634054][ T4538] ntfs3_write_inode+0x94/0xb0 [ 183.639013][ T4538] ? __pfx_ntfs3_write_inode+0x10/0x10 [ 183.644674][ T4538] __writeback_single_inode+0x8da/0x1290 [ 183.650574][ T4538] writeback_sb_inodes+0xa34/0x1c20 [ 183.656080][ T4538] ? kmsan_get_metadata+0x13e/0x1c0 [ 183.661507][ T4538] ? kmsan_get_shadow_origin_ptr+0x4d/0xb0 [ 183.667537][ T4538] __writeback_inodes_wb+0x14c/0x440 [ 183.673084][ T4538] wb_writeback+0x50b/0xcb0 [ 183.677824][ T4538] ? queue_io+0x461/0x780 [ 183.682394][ T4538] wb_workfn+0x122c/0x1940 [ 183.687060][ T4538] ? __pfx_wb_workfn+0x10/0x10 [ 183.692033][ T4538] process_scheduled_works+0xae0/0x1c40 [ 183.697845][ T4538] worker_thread+0xea7/0x14f0 [ 183.702768][ T4538] kthread+0x3e2/0x540 [ 183.707077][ T4538] ? __pfx_worker_thread+0x10/0x10 [ 183.712427][ T4538] ? __pfx_kthread+0x10/0x10 [ 183.717239][ T4538] ret_from_fork+0x6d/0x90 [ 183.721839][ T4538] ? __pfx_kthread+0x10/0x10 [ 183.726657][ T4538] ret_from_fork_asm+0x1a/0x30 [ 183.731649][ T4538] [ 183.735086][ T4538] Kernel Offset: disabled [ 183.739480][ T4538] Rebooting in 86400 seconds..