Record Case Detail

Notes

This function is in beta test. Please help improve it in the issues here.

Stderr

 pwd: /out/package
ppid: 3907
   1: WRITELN echo 123 > 1.txt
   2: WRITELN echo "<1.'txt'
   3: WRITELN " < 1.txt >> 2."'txt'"
   4: WRITELN cat 1.txt
   5: WRITELN cat 2."'txt'"
   6: WRITELN ls
   7: WRITELN exit
exit: 1

Hints

Your answer may be identical to the JOJ answer in the first several lines.

However, the main problem you meet now is Runtime Error. And the exit code of your program is 1, which should be 0.

Please double check your code to solve this problem and try again.

Your Answer

mumsh $ mumsh $ ================================================================= ==3908==ERROR: AddressSanitizer: heap-buffer-overflow
on address 0x604000000035

at pc 0x000000438dbb bp 0x7ffde0a0b830 sp 0x7ffde0a0afe0
WRITE of size 23 at 0x604000000035 thread T0
    #0 0x438dba  (/out/package/mumsh_memory_check+0x438dba)
    #1
0x516a40  (/out/package/mumsh_memory_check+0x516a40)
    #2 0x515538  (/out/package/mumsh_memory_check+0x515538)
    #3 0x7f4f82f5eb96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
#4
0x41d0a9
(/out/package/mumsh_memory_check+0x41d0a9)
0x604000000035 is located
0 bytes to the right of 37-byte region [0x604000000010,0x604000000035)
allocated by thread T0 here:
    #0 0x4dcf60  (/out/package/mumsh_memory_check+0x4dcf60)
    #1 0x5169c5  (/out/package/mumsh_memory_check+0x5169c5)
    #2 0x515538  (/out/package/mumsh_memory_check+0x515538)
    #3 0x7f4f82f5eb96  (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)

SUMMARY: AddressSanitizer: heap-buffer-overflow (/out/package/mumsh_memory_check+0

JOJ Answer

mumsh $ mumsh $ > mumsh $ 123
mumsh $ <1.'txt'

mumsh $ 1.txt
2.'txt'
driver
mumsh
mumsh_memory_check
mumsh $ exit