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| author | Alan Modra <amodra@gmail.com> | 2021-02-07 13:23:34 +1030 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2021-02-07 14:49:19 +1030 |
| commit | de8d4203109ae04c05a716c1afb2d5a487e9b1fe (patch) | |
| tree | a06bfeefe5e6085fc4489bdb82d6ac32bad109b3 /binutils | |
| parent | cca043e07194c74aaa50161467c3b62e3b9ba3ac (diff) | |
| download | gdb-de8d4203109ae04c05a716c1afb2d5a487e9b1fe.zip gdb-de8d4203109ae04c05a716c1afb2d5a487e9b1fe.tar.gz gdb-de8d4203109ae04c05a716c1afb2d5a487e9b1fe.tar.bz2 | |
asan: unwind-ia64.c: stack buffer overflow
Printing "invalid" is better than printing an uninitialised buffer
and occasionally running off the end of the buffer.
* unwind-ia64.c (unw_print_xyreg): Don't leave output buffer
uninitialised on invalid input.
Diffstat (limited to 'binutils')
| -rw-r--r-- | binutils/ChangeLog | 5 | ||||
| -rw-r--r-- | binutils/unwind-ia64.c | 4 |
2 files changed, 9 insertions, 0 deletions
diff --git a/binutils/ChangeLog b/binutils/ChangeLog index 23a8d8e..6915027 100644 --- a/binutils/ChangeLog +++ b/binutils/ChangeLog @@ -1,3 +1,8 @@ +2021-02-07 Alan Modra <amodra@gmail.com> + + * unwind-ia64.c (unw_print_xyreg): Don't leave output buffer + uninitialised on invalid input. + 2021-02-06 Alan Modra <amodra@gmail.com> PR 27349 diff --git a/binutils/unwind-ia64.c b/binutils/unwind-ia64.c index 6eef917..fb22f3f 100644 --- a/binutils/unwind-ia64.c +++ b/binutils/unwind-ia64.c @@ -156,6 +156,10 @@ unw_print_xyreg (char *cp, unsigned int x, unsigned int ytreg) case 2: /* br */ sprintf (cp, "b%u", (ytreg & 0x1f)); break; + + default: + strcpy (cp, "invalid"); + break; } } |