diff options
| author |   Josh Poimboeuf <jpoimboe@redhat.com> | 2020-04-25 05:06:13 -0500 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2020-04-25 12:22:29 +0200 |
| commit | a0f81bf26888048100bf017fadf438a5bdffa8d8 (patch) | |
| tree | c3533f91d40dfbb9d48af78816cab0a91eba9b72 /arch | |
| parent | x86/unwind/orc: Prevent unwinding before ORC initialization (diff) | |
| download | linux-dev-a0f81bf26888048100bf017fadf438a5bdffa8d8.tar.xz linux-dev-a0f81bf26888048100bf017fadf438a5bdffa8d8.zip | |
x86/unwind/orc: Fix error path for bad ORC entry type
If the ORC entry type is unknown, nothing else can be done other than
reporting an error. Exit the function instead of breaking out of the
switch statement.
Fixes: ee9f8fce9964 ("x86/unwind: Add the ORC unwinder")
Reviewed-by: Miroslav Benes <mbenes@suse.cz>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Dave Jones <dsj@fb.com>
Cc: Jann Horn <jannh@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Link: https://lore.kernel.org/r/a7fa668ca6eabbe81ab18b2424f15adbbfdc810a.1587808742.git.jpoimboe@redhat.com
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/unwind_orc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/unwind_orc.c b/arch/x86/kernel/unwind_orc.c index cb11567361cc..33b80a7f998f 100644 --- a/arch/x86/kernel/unwind_orc.c +++ b/arch/x86/kernel/unwind_orc.c @@ -537,7 +537,7 @@ bool unwind_next_frame(struct unwind_state *state) default: orc_warn("unknown .orc_unwind entry type %d at %pB\n", orc->type, (void *)orig_ip); - break; + goto err; } /* Find BP: */ |