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| author | Heiko Carstens <hca@linux.ibm.com> | 2025-12-08 21:06:58 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2025-12-12 10:26:13 +0100 |
| commit | b5e51ef787660bffe9cd059e7abe32f3b1667a98 (patch) | |
| tree | 24ae1ec5b52f72669b8b0dd54e680b2a136cbe14 /lib/bug.c | |
| parent | 0048fbb4011ec55c32d3148b2cda56433f273375 (diff) | |
| download | tip-b5e51ef787660bffe9cd059e7abe32f3b1667a98.tar.gz | |
bug: Let report_bug_entry() provide the correct bugaddr
report_bug_entry() always provides zero for bugaddr but could easily
extract the correct address from the provided bug_entry. Just do that to
have proper warning messages.
E.g. adding an artificial:
void foo(void) { WARN_ONCE(1, "bar"); }
function generates this warning message:
WARNING: arch/s390/kernel/setup.c:1017 at 0x0, CPU#0: swapper/0/0
^^^
With the correct bug address this changes to:
WARNING: arch/s390/kernel/setup.c:1017 at foo+0x1c/0x40, CPU#0: swapper/0/0
^^^^^^^^^^^^^
Fixes: 7d2c27a0ec5e ("bug: Add report_bug_entry()")
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://patch.msgid.link/20251208200658.3431511-1-hca@linux.ibm.com
Diffstat (limited to 'lib/bug.c')
| -rw-r--r-- | lib/bug.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/bug.c b/lib/bug.c index edd9041f89f3aa..c6f691f3d42d2d 100644 --- a/lib/bug.c +++ b/lib/bug.c @@ -262,7 +262,7 @@ enum bug_trap_type report_bug_entry(struct bug_entry *bug, struct pt_regs *regs) bool rcu = false; rcu = warn_rcu_enter(); - ret = __report_bug(bug, 0, regs); + ret = __report_bug(bug, bug_addr(bug), regs); warn_rcu_exit(rcu); return ret; |