Record Case Detail

Notes

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

Stderr

=================================================================
==46664==ERROR: AddressSanitizer: heap-use-after-free on address 0x604000000c50 at pc 0x55fe77f1d6a0 bp 0x7ffc230299d0 sp 0x7ffc230299c0
READ of size 4 at 0x604000000c50 thread T0
    #0 0x55fe77f1d69f in findBook_test (/out/package/ex6+0x569f)
    #1 0x55fe77f1c712 in main (/out/package/ex6+0x4712)
    #2 0x7fa1b8947b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #3 0x55fe77f1b6f9 in _start (/out/package/ex6+0x36f9)

0x604000000c50 is located 0 bytes inside of 40-byte region [0x604000000c50,0x604000000c78)
freed by thread T0 here:
    #0 0x7fa1b9b167a8 in __interceptor_free (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xde7a8)
    #1 0x55fe77f1bb6e in removeBook (/out/package/ex6+0x3b6e)
    #2 0x55fe77f1c51b in main (/out/package/ex6+0x451b)
    #3 0x7fa1b8947b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)

previously allocated by thread T0 here:
    #0 0x7fa1b9b16b40 in __interceptor_malloc (/usr/lib/x86_

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


        

JOJ Answer

Linked-List:
1216->502->324->280->1238->299->1366->532->224->330->1135->447->1287->94->513->7->318->726->1532->636->484->1504->1197->1529->1409->1154->962->732->1218->1367->479->1433->813->25->464->1204->573->1534->947->275->592->1539->432->228->273->1336->523->1232->740->28->NULL
findBook(228): PASS
findBook(1218): PASS
findBook(94): PASS
findBook(447): PASS
findBook(318): PASS
findBook(532): PASS
findBook(28): PASS
findBook(464): PASS
findBook(1135): PASS
findBook(1336): PASS
findBook(1216): PASS
findBook(1529): PASS
findBook(447): PASS
findBook(1529): PASS
findBook(280): PASS
findBook(1238): PASS
findBook(224): PASS
findBook(330): PASS
findBook(726): PASS
findBook(447): PASS
removeBook(1197): PASS
findBook(1154): PASS
removeBook(1204): PASS
findBook(813): PASS
removeBook(275): PASS
findBook(7): PASS
removeBook(636): PASS
findBook(592): PASS
removeBook(573): PASS
findBook(592): PASS
removeBook(28): PASS
findBook(7): PASS
removeBook(1287): PASS
findBook(1154): PASS
removeBook(1232): PASS
findBook(28): PASS
r