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| author | Ruslan Ermilov <ru@FreeBSD.org> | 2008-03-15 17:40:18 +0000 |
|---|---|---|
| committer | Ruslan Ermilov <ru@FreeBSD.org> | 2008-03-15 17:40:18 +0000 |
| commit | 1f49b573e112e6e78a145c9a3cb7ea60b6c3ea85 (patch) | |
| tree | 8fa257e3cddf0a80463d5f4686b5ad97a6503607 /sys/kern/link_elf.c | |
| parent | 409e3193774a116d1900180e4e50f2ac5c9ff78b (diff) | |
| download | src-1f49b573e112e6e78a145c9a3cb7ea60b6c3ea85.tar.gz src-1f49b573e112e6e78a145c9a3cb7ea60b6c3ea85.zip | |
Fix panic on e.g. "kldload /dev/null".
PR: kern/121427
Reviewed by: sem
MFC after: 3 days
Notes
Notes:
svn path=/head/; revision=177228
Diffstat (limited to 'sys/kern/link_elf.c')
| -rw-r--r-- | sys/kern/link_elf.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/kern/link_elf.c b/sys/kern/link_elf.c index 3a959c90b1db..89a8971e7983 100644 --- a/sys/kern/link_elf.c +++ b/sys/kern/link_elf.c @@ -571,6 +571,11 @@ link_elf_load_file(linker_class_t cls, const char* filename, return error; vfslocked = NDHASGIANT(&nd); NDFREE(&nd, NDF_ONLY_PNBUF); + if (nd.ni_vp->v_type != VREG) { + error = ENOEXEC; + firstpage = NULL; + goto out; + } #ifdef MAC error = mac_kld_check_load(curthread->td_ucred, nd.ni_vp); if (error) { |