[*] Binary protection state of debugfs

  
  	Full RELRO     Canary found      NX disabled  PIE enabled  No RPATH     No RUNPATH   No Symbols


[*] Function popen tear down of debugfs

    ; assembly                               | /* r2dec pseudo code output */
                                             | /* /logs/firmware/unblob_extracted/firmware_extract/4325012-58052244.squashfs_v4_le_extract/usr/sbin/debugfs @ 0xe418 */
                                             | #include <stdint.h>
                                             |  
    ; (fcn) sym.open_pager ()                | void open_pager () {
    0x0000e418 lui gp, 4                     |     
    0x0000e41c addiu gp, gp, -0x2d8          |     
    0x0000e420 addu gp, gp, t9               |     gp += t9;
    0x0000e424 addiu sp, sp, -0x98           |     
    0x0000e428 lw a0, -0x7fdc(gp)            |     a0 = *(gp);
    0x0000e42c sw s2, 0x84(sp)               |     *(var_84h) = s2;
    0x0000e430 lw s2, -0x7aa4(gp)            |     s2 = *((gp - 7849));
    0x0000e434 lw t9, -0x7a84(gp)            |     t9 = sym.imp.ss_safe_getenv;
    0x0000e438 sw ra, 0x94(sp)               |     *(var_94h) = ra;
    0x0000e43c lw v0, (s2)                   |     v0 = *(s2);
    0x0000e440 sw gp, 0x18(sp)               |     *(var_18h) = gp;
    0x0000e444 sw s0, 0x7c(sp)               |     *(var_7ch) = s0;
                                             |     /* str.DEBUGFS_PAGER */
    0x0000e448 addiu a0, a0, -0x540          |     a0 += -0x540;
    0x0000e44c sw s5, 0x90(sp)               |     *(var_90h) = s5;
    0x0000e450 sw s4, 0x8c(sp)               |     *(var_8ch) = s4;
    0x0000e454 sw s3, 0x88(sp)               |     *(var_88h) = s3;
    0x0000e458 sw s1, 0x80(sp)               |     *(var_80h) = s1;
    0x0000e45c sw v0, 0x74(sp)               |     *(var_74h) = v0;
    0x0000e460 jalr t9                       |     t9 ();
    0x0000e464 nop                           |     
    0x0000e468 lw gp, 0x18(sp)               |     gp = *(var_18h);
    0x0000e46c addiu a1, zero, 1             |     a1 = 1;
    0x0000e470 addiu a0, zero, 0xd           |     a0 = 0xd;
    0x0000e474 lw t9, -0x7ad4(gp)            |     t9 = sym.imp.signal;
    0x0000e478 move s0, v0                   |     s0 = v0;
    0x0000e47c jalr t9                       |     t9 ();
    0x0000e480 lw gp, 0x18(sp)               |     gp = *(var_18h);
    0x0000e484 lw t9, -0x7db0(gp)            |     t9 = sym.imp.isatty;
    0x0000e488 addiu a0, zero, 1             |     a0 = 1;
    0x0000e48c jalr t9                       |     t9 ();
    0x0000e490 lw gp, 0x18(sp)               |     gp = *(var_18h);
                                             |     if (v0 != 0) {
    0x0000e494 beqz v0, 0xe4bc               |         
    0x0000e498 lw a0, -0x7fdc(gp)            |         a0 = *(gp);
                                             |         if (s0 == 0) {
    0x0000e49c beqz s0, 0xe518               |             goto label_5;
                                             |         }
                                             | label_1:
    0x0000e4a0 lw a1, -0x7fdc(gp)            |         a1 = *(gp);
    0x0000e4a4 lw t9, -0x7a28(gp)            |         t9 = sym.imp.strcmp;
                                             |         /* str.__none__ */
    0x0000e4a8 addiu a1, a1, -0x524          |         a1 += -0x524;
    0x0000e4ac move a0, s0                   |         a0 = s0;
    0x0000e4b0 jalr t9                       |         t9 ();
    0x0000e4b4 lw gp, 0x18(sp)               |         gp = *(var_18h);
                                             |         if (v0 != 0) {
    0x0000e4b8 bnez v0, 0xe4f4               |             goto label_6;
                                             |         }
                                             |     }
                                             | label_2:
    0x0000e4bc lw v0, -0x7cb8(gp)            |     v0 = *((gp - 7982));
                                             | label_0:
    0x0000e4c0 lw v0, (v0)                   |     v0 = *(v0);
                                             |     do {
    0x0000e4c4 lw a0, 0x74(sp)               |         a0 = *(var_74h);
    0x0000e4c8 lw v1, (s2)                   |         v1 = *(s2);
    0x0000e4cc lw ra, 0x94(sp)               |         ra = *(var_94h);
                                             |         if (a0 != v1) {
    0x0000e4d0 bne a0, v1, 0xe5c4            |             goto label_7;
                                             |         }
    0x0000e4d4 lw s5, 0x90(sp)               |         s5 = *(var_90h);
    0x0000e4d8 lw s4, 0x8c(sp)               |         s4 = *(var_8ch);
    0x0000e4dc lw s3, 0x88(sp)               |         s3 = *(var_88h);
    0x0000e4e0 lw s2, 0x84(sp)               |         s2 = *(var_84h);
    0x0000e4e4 lw s1, 0x80(sp)               |         s1 = *(var_80h);
    0x0000e4e8 lw s0, 0x7c(sp)               |         s0 = *(var_7ch);
    0x0000e4ec addiu sp, sp, 0x98            |         
    0x0000e4f0 jr ra                         |         return v0;
                                             | label_6:
    0x0000e4f4 lw a1, -0x7fdc(gp)            |         a1 = *(gp);
    0x0000e4f8 lw t9, -0x7d00(gp)            |         t9 = sym.imp.popen
    0x0000e4fc addiu a1, a1, -0x528          |         a1 += -0x528;
    0x0000e500 move a0, s0                   |         a0 = s0;
    0x0000e504 jalr t9                       |         t9 ();
    0x0000e508 lw gp, 0x18(sp)               |         gp = *(var_18h);
    0x0000e50c bnez v0, 0xe4c4               |         
                                             |     } while (v0 != 0);
    0x0000e510 lw v0, -0x7cb8(gp)            |     v0 = *((gp - 7982));
    0x0000e514 b 0xe4c0                      |     goto label_0;
                                             | label_5:
    0x0000e518 lw t9, -0x7a84(gp)            |     t9 = sym.imp.ss_safe_getenv;
                                             |     /* esilref: 'PAGER' */
    0x0000e51c addiu a0, a0, -0x538          |     a0 += -0x538;
    0x0000e520 jalr t9                       |     t9 ();
    0x0000e524 move s0, v0                   |     s0 = v0;
    0x0000e528 lw gp, 0x18(sp)               |     gp = *(var_18h);
                                             |     if (v0 != 0) {
    0x0000e52c bnez v0, 0xe4a0               |         goto label_1;
                                             |     }
    0x0000e530 lw s5, -0x7f30(gp)            |     s5 = *((gp - 8140));
    0x0000e534 lw v0, 0x502c(s5)             |     v0 = *((s5 + 5131));
    0x0000e538 lw s3, -0x7fdc(gp)            |     s3 = *(gp);
                                             |     if (v0 == 0) {
    0x0000e53c beqz v0, 0xe4bc               |         goto label_2;
                                             |     }
    0x0000e540 lw s4, -0x7f30(gp)            |     s4 = *((gp - 8140));
                                             |     /* esilref: 'pager' */
    0x0000e544 addiu s5, s5, 0x502c          |     s5 += 0x502c;
    0x0000e548 addiu s0, sp, 0x24            |     s0 = sp + 0x24;
                                             |     /* str._s__s */
    0x0000e54c addiu s3, s3, -0x530          |     s3 += -0x530;
    0x0000e550 lw v0, 0x5020(s4)             |     v0 = *((s4 + 5128));
                                             |     /* esilref: '/usr/bin' */
                                             | label_4:
    0x0000e554 addiu s1, s4, 0x5020          |     s1 = s4 + 0x5020;
                                             |     if (v0 == 0) {
    0x0000e558 beqz v0, 0xe5ac               |         goto label_8;
                                             |     }
    0x0000e55c lw v1, (s5)                   |     v1 = *(s5);
                                             | label_3:
    0x0000e560 lw t9, -0x7e0c(gp)            |     t9 = sym.imp.__sprintf_chk;
    0x0000e564 move a3, s3                   |     a3 = s3;
    0x0000e568 addiu a2, zero, 0x50          |     a2 = 0x50;
    0x0000e56c addiu a1, zero, 1             |     a1 = 1;
    0x0000e570 move a0, s0                   |     a0 = s0;
    0x0000e574 sw v1, 0x14(sp)               |     *(var_14h) = v1;
    0x0000e578 sw v0, 0x10(sp)               |     *(var_10h) = v0;
    0x0000e57c jalr t9                       |     t9 ();
    0x0000e580 lw gp, 0x18(sp)               |     gp = *(var_18h);
    0x0000e584 addiu a1, zero, 1             |     a1 = 1;
    0x0000e588 lw t9, -0x7cb4(gp)            |     t9 = sym.imp.access;
    0x0000e58c move a0, s0                   |     a0 = s0;
    0x0000e590 jalr t9                       |     t9 ();
    0x0000e594 lw gp, 0x18(sp)               |     gp = *(var_18h);
                                             |     if (v0 == 0) {
    0x0000e598 beqz v0, 0xe4a0               |         goto label_1;
                                             |     }
    0x0000e59c addiu s1, s1, 4               |     s1 += 4;
    0x0000e5a0 lw v0, (s1)                   |     v0 = *(s1);
    0x0000e5a4 lw v1, (s5)                   |     v1 = *(s5);
                                             |     if (v0 == 0) {
    0x0000e5a8 bnel v0, zero, 0xe560         |         goto label_3;
                                             |     }
                                             | label_8:
    0x0000e5ac addiu s5, s5, 4               |     s5 += 4;
    0x0000e5b0 lw v0, (s5)                   |     v0 = *(s5);
    0x0000e5b4 lw v0, 0x5020(s4)             |     v0 = *((s4 + 5128));
                                             |     if (v0 == 0) {
    0x0000e5b8 bnel v0, zero, 0xe554         |         goto label_4;
                                             |     }
    0x0000e5bc lw v0, -0x7cb8(gp)            |     v0 = *((gp - 7982));
    0x0000e5c0 b 0xe4c0                      |     goto label_0;
                                             | label_7:
    0x0000e5c4 lw t9, -0x7b08(gp)            |     t9 = sym.imp.__stack_chk_fail;
    0x0000e5c8 jalr t9                       |     t9 ();
    0x0000e5cc nop                           |     
                                             | }

[*] Function popen used 2 times debugfs