diff options
| author | Donald Sharp <sharpd@nvidia.com> | 2020-11-26 18:23:57 -0500 |
|---|---|---|
| committer | Donald Sharp <sharpd@nvidia.com> | 2020-11-26 18:28:48 -0500 |
| commit | 91191fa233b9478ba0d15c1a89fd02b44bead03b (patch) | |
| tree | ff9d6c786415d9894c6f34ae1a6ea3d8f673b757 /lib/memory.c | |
| parent | 4cfb2ae8c0a38411f3cf2be97f170333e5ad1bbb (diff) | |
ldpd: Prevent usage after free
error 26-Nov-2020 14:35:02 ERROR: AddressSanitizer: heap-use-after-free on address 0x631000024838 at pc 0x55cefae977e9 bp 0x7ffdd3546860 sp 0x7ffdd3546850
error 26-Nov-2020 14:35:02 READ of size 4 at 0x631000024838 thread T0
error 26-Nov-2020 14:35:02 #0 0x55cefae977e8 in ldpe_imsg_compose_parent_sync ldpd/ldpe.c:256
error 26-Nov-2020 14:35:02 #1 0x55cefae9ab13 in vlog ldpd/log.c:53
error 26-Nov-2020 14:35:02 #2 0x55cefae9b21f in log_info ldpd/log.c:102
error 26-Nov-2020 14:35:02 #3 0x55cefae96eae in ldpe_shutdown ldpd/ldpe.c:237
error 26-Nov-2020 14:35:02 #4 0x55cefae99254 in ldpe_dispatch_main ldpd/ldpe.c:585
error 26-Nov-2020 14:35:02 #5 0x55cefaf93875 in thread_call lib/thread.c:1681
error 26-Nov-2020 14:35:02 #6 0x55cefae97304 in ldpe ldpd/ldpe.c:136
error 26-Nov-2020 14:35:02 #7 0x55cefae5a2e2 in main ldpd/ldpd.c:322
error 26-Nov-2020 14:35:02 #8 0x7f4ef0c33b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
error 26-Nov-2020 14:35:02 #9 0x55cefae525e9 in _start (/usr/lib/frr/ldpd+0xb35e9)
error 26-Nov-2020 14:35:02
error 26-Nov-2020 14:35:02 0x631000024838 is located 65592 bytes inside of 65632-byte region [0x631000014800,0x631000024860)
error 26-Nov-2020 14:35:02 freed by thread T0 here:
error 26-Nov-2020 14:35:02 #0 0x7f4ef21e37a8 in __interceptor_free (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xde7a8)
error 26-Nov-2020 14:35:02 #1 0x55cefae96e91 in ldpe_shutdown ldpd/ldpe.c:234
error 26-Nov-2020 14:35:02 #2 0x55cefae99254 in ldpe_dispatch_main ldpd/ldpe.c:585
error 26-Nov-2020 14:35:02 #3 0x55cefaf93875 in thread_call lib/thread.c:1681
error 26-Nov-2020 14:35:02 #4 0x55cefae97304 in ldpe ldpd/ldpe.c:136
error 26-Nov-2020 14:35:02 #5 0x55cefae5a2e2 in main ldpd/ldpd.c:322
error 26-Nov-2020 14:35:02 #6 0x7f4ef0c33b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
error 26-Nov-2020 14:35:02
error 26-Nov-2020 14:35:02 previously allocated by thread T0 here:
error 26-Nov-2020 14:35:02 #0 0x7f4ef21e3d28 in __interceptor_calloc (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xded28)
error 26-Nov-2020 14:35:02 #1 0x55cefae9725d in ldpe ldpd/ldpe.c:127
error 26-Nov-2020 14:35:02 #2 0x55cefae5a2e2 in main ldpd/ldpd.c:322
error 26-Nov-2020 14:35:02 #3 0x7f4ef0c33b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
Clean this problem up in the same way as the previous commit
Signed-off-by: Donald Sharp <sharpd@nvidia.com>
Diffstat (limited to 'lib/memory.c')
0 files changed, 0 insertions, 0 deletions