From: "Arnd Bergmann" <arnd@arndb.de>
To: "Josh Poimboeuf" <jpoimboe@kernel.org>,
"Peter Zijlstra" <peterz@infradead.org>
Cc: x86@kernel.org, linux-kernel@vger.kernel.org, llvm@lists.linux.dev
Subject: linux-next-20250620 objtool errors and warnings with clang-21-20250619105726
Date: Fri, 20 Jun 2025 16:33:49 +0200 [thread overview]
Message-ID: <b89e2cc2-f321-4775-aa05-6e8175441f88@app.fastmail.com> (raw)
Hi Josh and Peter,
I came across some new build failures from objtool errors
today. I have not run this for long yet, but this is what I got
so far:
https://pastebin.com/vM26CVnJ
lib/ubsan.o: warning: objtool: __ubsan_handle_type_mismatch+0xe0: call to __msan_memset() with UACCESS enabled
lib/ubsan.o: warning: objtool: __ubsan_handle_type_mismatch_v1+0xfd: call to __msan_memset() with UACCESS enabled
kernel/bpf/core.o: warning: objtool: ___bpf_prog_run+0x20f: sibling call from callable instruction with modified stack frame
drivers/gpu/drm/vmwgfx/vmwgfx_msg.o: warning: objtool: vmw_host_printf+0xe: unknown CFA base reg 0
https://pastebin.com/5UppA6JZ
mm/vmscan.o: warning: objtool: shrink_lruvec+0x198f: sibling call from callable instruction with modified stack frame
drivers/usb/host/xhci.o: warning: objtool: xhci_configure_endpoint+0x15bd: undefined stack state
drivers/usb/host/xhci.o: warning: objtool: xhci_configure_endpoint+0x15b5: unknown CFA base reg -1
drivers/gpu/drm/vmwgfx/vmwgfx_msg.o: warning: objtool: vmw_host_printf+0x9: unknown CFA base reg 0
Arnd
reply other threads:[~2025-06-20 14:35 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=b89e2cc2-f321-4775-aa05-6e8175441f88@app.fastmail.com \
--to=arnd@arndb.de \
--cc=jpoimboe@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=llvm@lists.linux.dev \
--cc=peterz@infradead.org \
--cc=x86@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®