From: kernel test robot <lkp@intel.com>
To: oe-kbuild@lists.linux.dev
Cc: lkp@intel.com, Dan Carpenter <error27@gmail.com>
Subject: Re: [PATCH v2 2/3] tracing: Update futex syscall trace event to show more commands
Date: Fri, 13 Mar 2026 06:49:19 +0800 [thread overview]
Message-ID: <202603130608.WKdib8MH-lkp@intel.com> (raw)
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
In-Reply-To: <20260310201036.713629966@kernel.org>
References: <20260310201036.713629966@kernel.org>
TO: Steven Rostedt <rostedt@goodmis.org>
TO: linux-kernel@vger.kernel.org
TO: linux-trace-kernel@vger.kernel.org
CC: Masami Hiramatsu <mhiramat@kernel.org>
CC: Mark Rutland <mark.rutland@arm.com>
CC: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
CC: Andrew Morton <akpm@linux-foundation.org>
CC: Linux Memory Management List <linux-mm@kvack.org>
CC: Thomas Gleixner <tglx@linutronix.de>
CC: Peter Zijlstra <peterz@infradead.org>
CC: Brian Geffon <bgeffon@google.com>
CC: John Stultz <jstultz@google.com>
CC: Ian Rogers <irogers@google.com>
CC: Suleiman Souhlal <suleiman@google.com>
Hi Steven,
kernel test robot noticed the following build warnings:
[auto build test WARNING on tip/locking/core]
[also build test WARNING on trace/for-next akpm-mm/mm-everything linus/master v7.0-rc3 next-20260311]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Steven-Rostedt/tracing-Have-futex-syscall-trace-event-show-specific-user-data/20260311-041422
base: tip/locking/core
patch link: https://lore.kernel.org/r/20260310201036.713629966%40kernel.org
patch subject: [PATCH v2 2/3] tracing: Update futex syscall trace event to show more commands
:::::: branch date: 2 days ago
:::::: commit date: 2 days ago
config: i386-randconfig-141-20260311 (https://download.01.org/0day-ci/archive/20260313/202603130608.WKdib8MH-lkp@intel.com/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
smatch: v0.5.0-9004-gb810ac53
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Reported-by: Dan Carpenter <error27@gmail.com>
| Closes: https://lore.kernel.org/r/202603130608.WKdib8MH-lkp@intel.com/
smatch warnings:
kernel/trace/trace_syscalls.c:650 futex_fields() warn: missing unwind goto?
vim +650 kernel/trace/trace_syscalls.c
50307a45f8515f Lai Jiangshan 2009-12-15 633
15901aaefa1313 Steven Rostedt 2026-03-10 634 static int __init futex_fields(struct trace_event_call *call, int offset)
15901aaefa1313 Steven Rostedt 2026-03-10 635 {
15901aaefa1313 Steven Rostedt 2026-03-10 636 char *arg;
15901aaefa1313 Steven Rostedt 2026-03-10 637 int ret;
15901aaefa1313 Steven Rostedt 2026-03-10 638
15901aaefa1313 Steven Rostedt 2026-03-10 639 arg = kstrdup("__value", GFP_KERNEL);
15901aaefa1313 Steven Rostedt 2026-03-10 640 if (WARN_ON_ONCE(!arg))
15901aaefa1313 Steven Rostedt 2026-03-10 641 return -ENOMEM;
15901aaefa1313 Steven Rostedt 2026-03-10 642 ret = trace_define_field(call, "u32", arg, offset, sizeof(int), 0,
15901aaefa1313 Steven Rostedt 2026-03-10 643 FILTER_OTHER);
15901aaefa1313 Steven Rostedt 2026-03-10 644 if (ret)
f3ff4ed51edb59 Steven Rostedt 2026-03-10 645 goto free;
f3ff4ed51edb59 Steven Rostedt 2026-03-10 646 offset += sizeof(int);
f3ff4ed51edb59 Steven Rostedt 2026-03-10 647
f3ff4ed51edb59 Steven Rostedt 2026-03-10 648 arg = kstrdup("__value2", GFP_KERNEL);
f3ff4ed51edb59 Steven Rostedt 2026-03-10 649 if (WARN_ON_ONCE(!arg))
f3ff4ed51edb59 Steven Rostedt 2026-03-10 @650 return -ENOMEM;
f3ff4ed51edb59 Steven Rostedt 2026-03-10 651 ret = trace_define_field(call, "u32", arg, offset, sizeof(int), 0,
f3ff4ed51edb59 Steven Rostedt 2026-03-10 652 FILTER_OTHER);
f3ff4ed51edb59 Steven Rostedt 2026-03-10 653 if (ret)
f3ff4ed51edb59 Steven Rostedt 2026-03-10 654 goto free;
f3ff4ed51edb59 Steven Rostedt 2026-03-10 655 offset += sizeof(int);
f3ff4ed51edb59 Steven Rostedt 2026-03-10 656
f3ff4ed51edb59 Steven Rostedt 2026-03-10 657 arg = kstrdup("__ts1", GFP_KERNEL);
f3ff4ed51edb59 Steven Rostedt 2026-03-10 658 if (WARN_ON_ONCE(!arg))
f3ff4ed51edb59 Steven Rostedt 2026-03-10 659 return -ENOMEM;
f3ff4ed51edb59 Steven Rostedt 2026-03-10 660 ret = trace_define_field(call, "unsigned long", arg, offset,
f3ff4ed51edb59 Steven Rostedt 2026-03-10 661 sizeof(unsigned long), 0, FILTER_OTHER);
f3ff4ed51edb59 Steven Rostedt 2026-03-10 662 if (ret)
f3ff4ed51edb59 Steven Rostedt 2026-03-10 663 goto free;
f3ff4ed51edb59 Steven Rostedt 2026-03-10 664 offset += sizeof(long);
f3ff4ed51edb59 Steven Rostedt 2026-03-10 665
f3ff4ed51edb59 Steven Rostedt 2026-03-10 666 arg = kstrdup("__ts2", GFP_KERNEL);
f3ff4ed51edb59 Steven Rostedt 2026-03-10 667 if (WARN_ON_ONCE(!arg))
f3ff4ed51edb59 Steven Rostedt 2026-03-10 668 return -ENOMEM;
f3ff4ed51edb59 Steven Rostedt 2026-03-10 669 ret = trace_define_field(call, "unsigned long", arg, offset,
f3ff4ed51edb59 Steven Rostedt 2026-03-10 670 sizeof(unsigned long), 0, FILTER_OTHER);
f3ff4ed51edb59 Steven Rostedt 2026-03-10 671 if (ret)
f3ff4ed51edb59 Steven Rostedt 2026-03-10 672 goto free;
f3ff4ed51edb59 Steven Rostedt 2026-03-10 673
f3ff4ed51edb59 Steven Rostedt 2026-03-10 674 return 0;
f3ff4ed51edb59 Steven Rostedt 2026-03-10 675
f3ff4ed51edb59 Steven Rostedt 2026-03-10 676 free:
15901aaefa1313 Steven Rostedt 2026-03-10 677 kfree(arg);
15901aaefa1313 Steven Rostedt 2026-03-10 678 return ret;
15901aaefa1313 Steven Rostedt 2026-03-10 679 }
15901aaefa1313 Steven Rostedt 2026-03-10 680
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next reply other threads:[~2026-03-12 22:49 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-03-12 22:49 kernel test robot [this message]
-- strict thread matches above, loose matches on Subject: below --
2026-03-10 20:09 [PATCH v2 0/3] tracing: Read user data from futex system call trace event Steven Rostedt
2026-03-10 20:09 ` [PATCH v2 2/3] tracing: Update futex syscall trace event to show more commands Steven Rostedt
2026-03-12 5:34 ` Masami Hiramatsu
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