FreeBSD Bugzilla – Attachment 16296 Details for
Bug 29931
if expand_name() return with NULL, coredump() crashes the kernel
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[patch]
file.diff
file.diff (text/plain), 435 bytes, created by
Tamas Foldi
on 2001-08-21 21:10:01 UTC
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Description:
file.diff
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Creator:
Tamas Foldi
Created:
2001-08-21 21:10:01 UTC
Size:
435 bytes
patch
obsolete
>--- kern_sig.c.orig Thu Feb 22 06:15:04 2001 >+++ kern_sig.c Tue Aug 21 11:35:35 2001 >@@ -1620,6 +1620,8 @@ > return 0; > name = expand_name(p->p_comm, p->p_ucred->cr_uid, p->p_pid); >+ if (name == NULL) >+ return (EINVAL); > NDINIT(&nd, LOOKUP, NOFOLLOW, UIO_SYSSPACE, name, p); > error = vn_open(&nd, O_CREAT | FWRITE | O_NOFOLLOW, S_IRUSR | S_IWUSR); > free(name, M_TEMP);
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bug 29931
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