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[*] Initial strace run with jchroot on the command ./usr/bin/usign to identify missing areas
[*] Emulating binary name: usign 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) = 0x00415090
1 mmap2(NULL,8192,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANONYMOUS,-1,0) = 0x3ffc8000
1 uname(0x4071e730) = 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/libubox.so",O_RDONLY|O_CLOEXEC) = 3
1 read(3,0x4071e4b4,512) = 512
1 prctl(46,8,1081205940,512,1073770496,0) = 0
1 fstat64(3,0x4071e378) = 0
1 mmap2(NULL,99696,PROT_EXEC|PROT_READ,MAP_PRIVATE|MAP_DENYWRITE,3,0) = 0x3ffaf000
1 mprotect(0x3ffb7000,61440,PROT_NONE) = 0
1 mmap2(0x3ffc6000,8192,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_DENYWRITE|MAP_FIXED,3,0x7) = 0x3ffc6000
1 close(3) = 0
1 openat(AT_FDCWD,"/lib/tls/libgcc_s.so.1",O_RDONLY|O_CLOEXEC) = 3
1 read(3,0x4071e49c,512) = 512
1 prctl(46,9,1081205916,512,1073770496,0) = 0
1 fstat64(3,0x4071e360) = 0
1 mmap2(NULL,144160,PROT_EXEC|PROT_READ,MAP_PRIVATE|MAP_DENYWRITE,3,0) = 0x3ff8b000
1 mprotect(0x3ff9e000,61440,PROT_NONE) = 0
1 mmap2(0x3ffad000,8192,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_DENYWRITE|MAP_FIXED,3,0x12) = 0x3ffad000
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(3,0x4071e484,512) = 512
1 prctl(46,13,1081205892,512,1073770496,0) = 0
1 _llseek(3,0,792,0x4071e240,SEEK_SET) = 0
1 read(3,0x4071e270,32) = 32
1 fstat64(3,0x4071e348) = 0
1 mmap2(NULL,1630336,PROT_EXEC|PROT_READ,MAP_PRIVATE|MAP_DENYWRITE,3,0) = 0x3fdfc000
1 mprotect(0x3ff72000,61440,PROT_NONE) = 0
1 mmap2(0x3ff81000,28672,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_DENYWRITE|MAP_FIXED,3,0x175) = 0x3ff81000
1 mmap2(0x3ff88000,8320,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANONYMOUS|MAP_FIXED,-1,0) = 0x3ff88000
1 close(3) = 0
1 mmap2(NULL,8192,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANONYMOUS,-1,0) = 0x3fdfa000
1 set_thread_area(0x3fe014a0) = 0
1 mprotect(0x3ff81000,16384,PROT_READ) = 0
1 mprotect(0x3ffad000,4096,PROT_READ) = 0
1 mprotect(0x3ffc6000,4096,PROT_READ) = 0
1 mprotect(0x00414000,4096,PROT_READ) = 0
1 mprotect(0x3fffe000,4096,PROT_READ) = 0
1 write(2,0x4071c808,599)Usage: ./usr/bin/usign <command> <options>
Commands:
-V: verify (needs at least -m and -p|-P)
-S: sign (needs at least -m and -s)
-F: print key fingerprint of public/secret key or signature
-G: generate a new keypair
Options:
-c <comment>: add comment to keys
-m <file>: message file
-p <file>: public key file (verify/fingerprint only)
-P <path>: public key directory (verify only)
-q: quiet (do not print verification result, use return code only)
-s <file>: secret key file (sign/fingerprint only)
-x <file>: signature file (defaults to <essage file>.sig)
= 599
1 exit_group(1)
[*] 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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