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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-07-05 20:00:38 +0200 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-07-05 20:00:38 +0200 |
| commit | 96049c939b1916d80532630d63c14e04d5244f1d (patch) | |
| tree | 7fb9df428f074078e714f1e038210cdff887185a /results/classifier/user-mode-bugs/1858415 | |
| parent | 40bbb77d4dfebff4f99c2f90b2c0db737b0ecc5a (diff) | |
| download | qemu-analysis-96049c939b1916d80532630d63c14e04d5244f1d.tar.gz qemu-analysis-96049c939b1916d80532630d63c14e04d5244f1d.zip | |
lock user-mode and semantic-bugs
Diffstat (limited to 'results/classifier/user-mode-bugs/1858415')
| -rw-r--r-- | results/classifier/user-mode-bugs/1858415 | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/results/classifier/user-mode-bugs/1858415 b/results/classifier/user-mode-bugs/1858415 new file mode 100644 index 000000000..8b24d28a1 --- /dev/null +++ b/results/classifier/user-mode-bugs/1858415 @@ -0,0 +1,26 @@ + + +in tcp_emu function has OOB bug + +qemu version: 4.1.0 + +```c +int tcp_emu(struct socket *so, struct mbuf *m){ +............ +case EMU_REALAUDIO: +............ + while (bptr < m->m_data + m->m_len) { + case 6: +............ + lport = (((uint8_t *)bptr)[0] << 8) + ((uint8_t *)bptr)[1]; +............ + *(uint8_t *)bptr++ = (p >> 8) & 0xff; + *(uint8_t *)bptr = p & 0xff; +............ + } +............ +............ +} +``` + +bptr)[1] and bptr++ ,may make bptr == m->m_data + m->m_len,and cause OOB（out of bounds.） \ No newline at end of file |