FreeBSD Bugzilla – Attachment 95405 Details for
Bug 133786
[netinet] [patch] ip_input might cause kernel panic
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[patch]
file.diff
file.diff (text/plain), 454 bytes, created by
Ivan Panachev
on 2009-04-16 18:40:07 UTC
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file.diff
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Creator:
Ivan Panachev
Created:
2009-04-16 18:40:07 UTC
Size:
454 bytes
patch
obsolete
>--- /usr/src/sys/netinet/ip_input.c.orig 2009-04-10 13:53:58.000000000 +0400 >+++ /usr/src/sys/netinet/ip_input.c 2009-04-10 13:56:35.000000000 +0400 >@@ -1305,6 +1305,10 @@ > if (mcopy != NULL) { > mcopy->m_len = min(ip->ip_len, M_TRAILINGSPACE(mcopy)); > mcopy->m_pkthdr.len = mcopy->m_len; >+ if(mcopy->m_len > m->m_len) { >+ /* sometimes it happens :/ */ >+ mcopy->m_len = m->m_len; >+ } > m_copydata(m, 0, mcopy->m_len, mtod(mcopy, caddr_t)); > }
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bug 133786
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