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| author | Nick Clifton <nickc@redhat.com> | 2023-04-11 14:54:26 +0100 |
|---|---|---|
| committer | Nick Clifton <nickc@redhat.com> | 2023-04-11 14:54:26 +0100 |
| commit | 37522c873e86dd4941b9cdf38116f31d447d2234 (patch) | |
| tree | 55510d51e42565a00a20a4a824e2b11d4d7f48d0 /opcodes | |
| parent | 7594741ebc2700a36fb77acfc6515dbfca4ed0dc (diff) | |
| download | gdb-37522c873e86dd4941b9cdf38116f31d447d2234.zip gdb-37522c873e86dd4941b9cdf38116f31d447d2234.tar.gz gdb-37522c873e86dd4941b9cdf38116f31d447d2234.tar.bz2 | |
Fix illegal memory access when disassembling corrupt NFP binaries.
PR 30310
* nfp-dis.c (init_nfp6000_priv): Check that the output section exists.
Diffstat (limited to 'opcodes')
| -rw-r--r-- | opcodes/ChangeLog | 6 | ||||
| -rw-r--r-- | opcodes/nfp-dis.c | 4 |
2 files changed, 9 insertions, 1 deletions
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog index e8a224b..a25c20d 100644 --- a/opcodes/ChangeLog +++ b/opcodes/ChangeLog @@ -1,3 +1,9 @@ +2023-04-11 Nick Clifton <nickc@redhat.com> + + PR 30310 + * nfp-dis.c (init_nfp6000_priv): Check that the output section + exists. + 2023-03-15 Nick Clifton <nickc@redhat.com> PR 30231 diff --git a/opcodes/nfp-dis.c b/opcodes/nfp-dis.c index a3d394e..975fa69 100644 --- a/opcodes/nfp-dis.c +++ b/opcodes/nfp-dis.c @@ -2676,7 +2676,9 @@ init_nfp6000_priv (nfp_priv_data * priv, struct disassemble_info *dinfo) memset (mecfg_orders, -1, sizeof (mecfg_orders)); - if (!dinfo->section) + if (dinfo->section == NULL + || dinfo->section->owner == NULL + || elf_elfsections (dinfo->section->owner) == NULL) /* No section info, will use default values. */ return true; |