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

[*] Emulating binary name: kmod 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) = 0x400180f8

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/liblzma.so.5",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,106504,PROT_EXEC|PROT_READ,MAP_PRIVATE|MAP_DENYWRITE,3,0) = 0x3f7c2000

1 mmap2(0x3f7db000,8192,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_DENYWRITE|MAP_FIXED,3,0x19) = 0x3f7db000

1 close(3) = 0

1 openat(AT_FDCWD,"/usr/lib/tls/v8l/neon/vfp/libz.so.1",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,65544,PROT_EXEC|PROT_READ,MAP_PRIVATE|MAP_DENYWRITE,3,0) = 0x3f7b1000

1 mmap2(0x3f7c0000,8192,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_DENYWRITE|MAP_FIXED,3,0xe) = 0x3f7c0000

1 close(3) = 0

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

1 read(3,0x3ff1d158,512) = 512

1 statx(3,"",AT_EMPTY_PATH|AT_NO_AUTOMOUNT,STATX_BASIC_STATS,0x3ff1ce70) = 0

1 mmap2(NULL,102460,PROT_EXEC|PROT_READ,MAP_PRIVATE|MAP_DENYWRITE,3,0) = 0x3f797000

1 mmap2(0x3f7af000,8192,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_DENYWRITE|MAP_FIXED,3,0x18) = 0x3f7af000

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(3,0x3ff1d148,512) = 512

1 statx(3,"",AT_EMPTY_PATH|AT_NO_AUTOMOUNT,STATX_BASIC_STATS,0x3ff1ce60) = 0

1 mmap2(NULL,1108064,PROT_EXEC|PROT_READ,MAP_PRIVATE|MAP_DENYWRITE,3,0) = 0x3f688000

1 mmap2(0x3f78a000,16384,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_DENYWRITE|MAP_FIXED,3,0x101) = 0x3f78a000

1 mmap2(0x3f78e000,34912,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANONYMOUS|MAP_FIXED,-1,0) = 0x3f78e000

1 close(3) = 0

1 openat(AT_FDCWD,"/usr/lib/tls/v8l/neon/vfp/libpthread.so.0",O_RDONLY|O_LARGEFILE|O_CLOEXEC) = 3

1 read(3,0x3ff1d128,512) = 512

1 statx(3,"",AT_EMPTY_PATH|AT_NO_AUTOMOUNT,STATX_BASIC_STATS,0x3ff1ce40) = 0

1 mmap2(NULL,12296,PROT_EXEC|PROT_READ,MAP_PRIVATE|MAP_DENYWRITE,3,0) = 0x3f684000

1 mmap2(0x3f686000,8192,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_DENYWRITE|MAP_FIXED,3,0x1) = 0x3f686000

1 close(3) = 0

1 mmap2(NULL,8192,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANONYMOUS,-1,0) = 0x3f682000

1 set_tid_address(0x3f682088) = 1

1 set_robust_list(0x3f68208c,12) = -1 errno=38 (Function not implemented)

1 Unknown syscall 398

1 mprotect(0x3f78a000,8192,PROT_READ) = 0

1 mprotect(0x3f686000,4096,PROT_READ) = 0

1 mprotect(0x3f7af000,4096,PROT_READ) = 0

1 mprotect(0x3f7c0000,4096,PROT_READ) = 0

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

1 mprotect(0x40017000,4096,PROT_READ) = 0

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

1 ugetrlimit(3,1072814584,1064920990,1064896260,1,1064877664) = 0

1 write(2,0x40011f70,16)missing command

 = 16

1 statx(1,"",AT_EMPTY_PATH|AT_NO_AUTOMOUNT,STATX_BASIC_STATS,0x3ff1d4e0) = 0

1 brk(NULL) = 0x400180f8

1 brk(0x4003a0f8) = 0x4003a0f8

1 brk(0x4003b000) = 0x4003b000

1 write(1,0x40018100,651)kmod - Manage kernel modules: list, load, unload, etc

Usage:

	kmod [options] command [command_options]

Options:

	-V, --version     show version

	-h, --help        show this help

Commands:

  help         Show help message

  list         list currently loaded modules

  static-nodes outputs the static-node information installed with the currently running kernel

kmod also handles gracefully if called from following symlinks:

  lsmod        compat lsmod command

  rmmod        compat rmmod command

  insmod       compat insmod command

  modinfo      compat modinfo command

  modprobe     compat modprobe command

  depmod       compat depmod command

 = 651

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

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