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Diffstat (limited to 'results/classifier/gemma3:12b/socket/1701808')
| -rw-r--r-- | results/classifier/gemma3:12b/socket/1701808 | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/results/classifier/gemma3:12b/socket/1701808 b/results/classifier/gemma3:12b/socket/1701808 new file mode 100644 index 000000000..318fa8b2e --- /dev/null +++ b/results/classifier/gemma3:12b/socket/1701808 @@ -0,0 +1,17 @@ + +stack smashing in or after recvmsg system call in aarch64 user mode + +A program that invokes recvmsg aborts with "*** stack smashing detected ***" when run in qemu-aarch64 (user mode), but works fine when running on native aarch64 hardware. + +How to reproduce: +$ aarch64-linux-gnu-gcc-5 -O -Wall /media/develdata/devel/qemu-bug/testpassfd.c -static -DEXTRA_SPACE=0 +$ QEMU_LD_PREFIX=/usr/aarch64-linux-gnu ~/inst-qemu/2.9.0/bin/qemu-aarch64 ./a.out +*** stack smashing detected ***: ./a.out terminated +qemu: uncaught target signal 6 (Aborted) - core dumped + +On native aarch64 hardware: +$ ./a.out +$ echo $? +0 + +The parameter EXTRA_SPACE can be used to add additional space to the array that receives the recvmsg data. With -DEXTRA_SPACE=9 (or larger), the program runs fine. Which suggests that recvmsg is storing up to 9 bytes more than allowed in memory. \ No newline at end of file |