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

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

[*] Emulator used: qemu-arm-static

[*] Chroot environment used: jchroot

[*] Using root directory: /logs/s115_usermode_emulator/firmware/patool_extraction/rootfs.img_unblob_extracted/rootfs.img_extract/0-80367616.squashfs_v4_le_extract (1/2)

[*] Using CPU config: 

1 brk(NULL) = 0x4001e258

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_LARGEFILE|O_CLOEXEC) = -1 errno=2 (No such file or directory)

1 openat(AT_FDCWD,"/usr/lib/tls/v8l/neon/vfp/libgcc_s.so.1",O_RDONLY|O_LARGEFILE|O_CLOEXEC) = 3

1 read(3,0x3ff1d178,512) = 512

1 statx(3,"",AT_EMPTY_PATH|AT_NO_AUTOMOUNT,STATX_BASIC_STATS,0x3ff1ce90) = 0

1 mmap2(NULL,8192,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANONYMOUS,-1,0) = 0x3f7dd000

1 mmap2(NULL,102460,PROT_EXEC|PROT_READ,MAP_PRIVATE|MAP_DENYWRITE,3,0) = 0x3f7c3000

1 mmap2(0x3f7db000,8192,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_DENYWRITE|MAP_FIXED,3,0x18) = 0x3f7db000

1 close(3) = 0

1 openat(AT_FDCWD,"/usr/lib/tls/v8l/neon/vfp/libc.so.6",O_RDONLY|O_LARGEFILE|O_CLOEXEC) = 3

1 read(3,0x3ff1d168,512) = 512

1 statx(3,"",AT_EMPTY_PATH|AT_NO_AUTOMOUNT,STATX_BASIC_STATS,0x3ff1ce80) = 0

1 mmap2(NULL,1108064,PROT_EXEC|PROT_READ,MAP_PRIVATE|MAP_DENYWRITE,3,0) = 0x3f6b4000

1 mmap2(0x3f7b6000,16384,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_DENYWRITE|MAP_FIXED,3,0x101) = 0x3f7b6000

1 mmap2(0x3f7ba000,34912,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANONYMOUS|MAP_FIXED,-1,0) = 0x3f7ba000

1 close(3) = 0

1 set_tid_address(0x3f7ddca8) = 1

1 set_robust_list(0x3f7ddcac,12) = -1 errno=38 (Function not implemented)

1 Unknown syscall 398

1 mprotect(0x3f7b6000,8192,PROT_READ) = 0

1 mprotect(0x3f7db000,4096,PROT_READ) = 0

1 mprotect(0x40015000,4096,PROT_READ) = 0

1 mprotect(0x3f7fd000,4096,PROT_READ) = 0

1 ugetrlimit(3,1072814584,1065101214,1065076484,1,1065057888) = 0

1 brk(NULL) = 0x4001e258

1 brk(0x4003f258) = 0x4003f258

1 brk(0x40040000) = 0x40040000

1 ioctl(1,TCGETS,0x3ff1d350) = -1 errno=25 (Inappropriate ioctl for device)

1 clock_gettime64(CLOCK_REALTIME_COARSE,0x3ff1d148) = 0 ({tv_sec=1690031990,tv_nsec=83232233})

1 openat(AT_FDCWD,"/etc/localtime",O_RDONLY|O_CLOEXEC) = 3

1 statx(3,"",AT_EMPTY_PATH|AT_NO_AUTOMOUNT,STATX_BASIC_STATS,0x3ff1ceb8) = 0

1 statx(3,"",AT_EMPTY_PATH|AT_NO_AUTOMOUNT,STATX_BASIC_STATS,0x3ff1cdf0) = 0

1 read(3,0x4001e7c0,4096) = 130

1 _llseek(3,4294967295,4294967217,0x3ff1cf30,SEEK_CUR) = 0

1 read(3,0x4001e7c0,4096) = 79

1 close(3) = 0

1 statx(AT_FDCWD,"/var/log/sa/sa20230722",AT_NO_AUTOMOUNT,STATX_BASIC_STATS,0x3ff1ccb0) = -1 errno=2 (No such file or directory)

1 ioctl(1,TIOCGWINSZ,0x3ff1d0cc) = -1 errno=25 (Inappropriate ioctl for device)

1 openat(AT_FDCWD,"/var/log/sa/sa22",O_RDONLY) = -1 errno=2 (No such file or directory)

1 write(2,0x3ff1b000,56)Cannot open /var/log/sa/sa22: No such file or directory

 = 56

1 write(2,0x40013cfc,43)Please check if data collecting is enabled

 = 43

1 exit_group(2)

[*] 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/patool_extraction/rootfs.img_unblob_extracted/rootfs.img_extract/0-80367616.squashfs_v4_le_extract/etc/ld.so.cache

[*] Found missing area: /var/log/sa/sa22

[*] Trying to identify this missing file: sa22

[*] Creating directory /logs/s115_usermode_emulator/firmware/patool_extraction/rootfs.img_unblob_extracted/rootfs.img_extract/0-80367616.squashfs_v4_le_extract/var/log/sa

[*] Missing file /logs/s115_usermode_emulator/firmware/patool_extraction/rootfs.img_unblob_extracted/rootfs.img_extract/0-80367616.squashfs_v4_le_extract/var/log/sa/sa22

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