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[*] Initial strace run with jchroot on the command ./usr/bin/funzip to identify missing areas

[*] Emulating binary name: funzip in strace mode to identify missing areas (with jchroot)

[*] Emulator used: qemu-mipsel-static

[*] Chroot environment used: jchroot

[*] Using root directory: /logs/s115_usermode_emulator/firmware/unblob_extracted/firmware_extract/1568982-13971496.squashfs_v4_le_extract (1/1)

[*] Using CPU config: 

1 brk(NULL) = 0x00425130

1 mmap2(NULL,8192,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANONYMOUS,-1,0) = 0x3ffc8000

1 uname(0x4071e720) = 0

1 access("/etc/ld.so.preload",R_OK) = -1 errno=2 (No such file or directory)

1 openat(AT_FDCWD,"/etc/ld.so.cache",O_RDONLY|O_CLOEXEC) = -1 errno=2 (No such file or directory)

1 openat(AT_FDCWD,"/lib/tls/libgcc_s.so.1",O_RDONLY|O_CLOEXEC) = 3

1 read(3,0x4071e4a4,512) = 512

1 prctl(46,9,1081205924,512,1073770496,0) = 0

1 fstat64(3,0x4071e368) = 0

1 mmap2(NULL,144160,PROT_EXEC|PROT_READ,MAP_PRIVATE|MAP_DENYWRITE,3,0) = 0x3ffa4000

1 mprotect(0x3ffb7000,61440,PROT_NONE) = 0

1 mmap2(0x3ffc6000,8192,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_DENYWRITE|MAP_FIXED,3,0x12) = 0x3ffc6000

1 mprotect(0x4071e000,4096,PROT_EXEC|PROT_READ|PROT_WRITE|PROT_GROWSDOWN) = 0

1 close(3) = 0

1 openat(AT_FDCWD,"/lib/tls/libc.so.6",O_RDONLY|O_CLOEXEC) = 3

1 read(3,0x4071e48c,512) = 512

1 prctl(46,13,1081205900,512,1073770496,0) = 0

1 _llseek(3,0,792,0x4071e248,SEEK_SET) = 0

1 read(3,0x4071e278,32) = 32

1 fstat64(3,0x4071e350) = 0

1 mmap2(NULL,1630336,PROT_EXEC|PROT_READ,MAP_PRIVATE|MAP_DENYWRITE,3,0) = 0x3fe15000

1 mprotect(0x3ff8b000,61440,PROT_NONE) = 0

1 mmap2(0x3ff9a000,28672,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_DENYWRITE|MAP_FIXED,3,0x175) = 0x3ff9a000

1 mmap2(0x3ffa1000,8320,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANONYMOUS|MAP_FIXED,-1,0) = 0x3ffa1000

1 close(3) = 0

1 set_thread_area(0x3ffd06d0) = 0

1 mprotect(0x3ff9a000,16384,PROT_READ) = 0

1 mprotect(0x3ffc6000,4096,PROT_READ) = 0

1 mprotect(0x00413000,4096,PROT_READ) = 0

1 mprotect(0x3fffe000,4096,PROT_READ) = 0

1 ioctl(0,TCGETS,0x4071ed58) = -1 errno=25 (Inappropriate ioctl for device)

1 fcntl64(0,F_GETFL) = 0

1 brk(NULL) = 0x00425130

1 brk(0x00446130) = 0x00446130

1 brk(0x00447000) = 0x00447000

1 fcntl64(1,F_GETFL) = 9

1 fstat64(0,0x4071ecb0) = 0

1 ioctl(0,TCGETS,0x4071ec08) = -1 errno=25 (Inappropriate ioctl for device)

1 read(0,0x425550,4096) = 0

1 read(0,0x425550,4096) = 0

1 write(2,0x414084,43)funzip error: input not a zip or gzip file

 = 43

1 exit_group(3)

[*] Identification of missing filesytem areas.

[*] Found missing area: /etc/ld.so.cache

[*] Trying to identify this missing file: ld.so.cache

[*] Missing file /logs/s115_usermode_emulator/firmware/unblob_extracted/firmware_extract/1568982-13971496.squashfs_v4_le_extract/etc/ld.so.cache

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