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Message-ID: <202412242355.7e1a8e45-lkp@intel.com>
Date: Tue, 24 Dec 2024 23:14:40 +0800
From: kernel test robot <oliver.sang@...el.com>
To: Steven Rostedt <rostedt@...dmis.org>
CC: <oe-lkp@...ts.linux.dev>, <lkp@...el.com>, <linux-kernel@...r.kernel.org>,
Masami Hiramatsu <mhiramat@...nel.org>, Mark Rutland <mark.rutland@....com>,
Mathieu Desnoyers <mathieu.desnoyers@...icios.com>, Andrew Morton
<akpm@...ux-foundation.org>, Al Viro <viro@...iv.linux.org.uk>, "Linus
Torvalds" <torvalds@...ux-foundation.org>,
<linux-trace-kernel@...r.kernel.org>, <oliver.sang@...el.com>
Subject: [linus:master] [tracing] 65a25d9f7a:
WARNING:at_kernel/trace/trace_events.c:#trace_event_raw_init
Hello,
kernel test robot noticed "WARNING:at_kernel/trace/trace_events.c:#trace_event_raw_init" on:
commit: 65a25d9f7ac02e0cf361356e834d1c71d36acca9 ("tracing: Add "%s" check in test_event_printk()")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
[test failed on linus/master 8faabc041a001140564f718dabe37753e88b37fa]
[test failed on linux-next/master 8155b4ef3466f0e289e8fcc9e6e62f3f4dceeac2]
in testcase: boot
config: i386-randconfig-053-20241220
compiler: clang-19
test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G
(please refer to attached dmesg/kmsg for entire log/backtrace)
+--------------------------------------------------------------+------------+------------+
| | 917110481f | 65a25d9f7a |
+--------------------------------------------------------------+------------+------------+
| WARNING:at_kernel/trace/trace_events.c:#trace_event_raw_init | 0 | 18 |
| EIP:trace_event_raw_init | 0 | 18 |
+--------------------------------------------------------------+------------+------------+
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 <oliver.sang@...el.com>
| Closes: https://lore.kernel.org/oe-lkp/202412242355.7e1a8e45-lkp@intel.com
[ 0.503105][ T0] ------------[ cut here ]------------
[ 0.503689][ T0] WARNING: CPU: 0 PID: 0 at kernel/trace/trace_events.c:565 trace_event_raw_init (kernel/trace/trace_events.c:565 (discriminator 12))
[ 0.504700][ T0] Modules linked in:
[ 0.505081][ T0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G T 6.13.0-rc3-00003-g65a25d9f7ac0 #1 6c7ccd2413e19711a46a7487fb4ceeafbe928cd0
[ 0.506382][ T0] Tainted: [T]=RANDSTRUCT
[ 0.506662][ T0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[ 0.507644][ T0] EIP: trace_event_raw_init (kernel/trace/trace_events.c:565 (discriminator 12))
[ 0.508190][ T0] Code: 89 f0 83 c4 04 09 f8 75 21 b8 88 b2 60 84 89 da 31 c9 6a 00 e8 cf e5 ff ff 83 c4 04 31 c0 8d 65 f4 5e 5f 5b 5d 31 c9 31 d2 c3 <0f> 0b b8 88 b2 60 84 89 da 31 c9 6a 00 e8 ac e5 ff ff 89 f2 83 c4
All code
========
0: 89 f0 mov %esi,%eax
2: 83 c4 04 add $0x4,%esp
5: 09 f8 or %edi,%eax
7: 75 21 jne 0x2a
9: b8 88 b2 60 84 mov $0x8460b288,%eax
e: 89 da mov %ebx,%edx
10: 31 c9 xor %ecx,%ecx
12: 6a 00 push $0x0
14: e8 cf e5 ff ff call 0xffffffffffffe5e8
19: 83 c4 04 add $0x4,%esp
1c: 31 c0 xor %eax,%eax
1e: 8d 65 f4 lea -0xc(%rbp),%esp
21: 5e pop %rsi
22: 5f pop %rdi
23: 5b pop %rbx
24: 5d pop %rbp
25: 31 c9 xor %ecx,%ecx
27: 31 d2 xor %edx,%edx
29: c3 ret
2a:* 0f 0b ud2 <-- trapping instruction
2c: b8 88 b2 60 84 mov $0x8460b288,%eax
31: 89 da mov %ebx,%edx
33: 31 c9 xor %ecx,%ecx
35: 6a 00 push $0x0
37: e8 ac e5 ff ff call 0xffffffffffffe5e8
3c: 89 f2 mov %esi,%edx
3e: 83 .byte 0x83
3f: c4 .byte 0xc4
Code starting with the faulting instruction
===========================================
0: 0f 0b ud2
2: b8 88 b2 60 84 mov $0x8460b288,%eax
7: 89 da mov %ebx,%edx
9: 31 c9 xor %ecx,%ecx
b: 6a 00 push $0x0
d: e8 ac e5 ff ff call 0xffffffffffffe5be
12: 89 f2 mov %esi,%edx
14: 83 .byte 0x83
15: c4 .byte 0xc4
[ 0.510118][ T0] EAX: 00000018 EBX: 00000001 ECX: 00000000 EDX: 00000000
[ 0.510764][ T0] ESI: 00000018 EDI: 00000000 EBP: 83f67f3c ESP: 83f67ea0
[ 0.511422][ T0] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 EFLAGS: 00210006
[ 0.512164][ T0] CR0: 80050033 CR2: ff9ff000 CR3: 048d9000 CR4: 00000090
[ 0.512839][ T0] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[ 0.513519][ T0] DR6: fffe0ff0 DR7: 00000400
[ 0.513962][ T0] Call Trace:
[ 0.514276][ T0] ? show_regs (arch/x86/kernel/dumpstack.c:478 (discriminator 1))
[ 0.514680][ T0] ? trace_event_raw_init (kernel/trace/trace_events.c:565 (discriminator 12))
[ 0.515186][ T0] ? __warn (kernel/panic.c:242 kernel/panic.c:748)
[ 0.515576][ T0] ? trace_event_raw_init (kernel/trace/trace_events.c:565 (discriminator 12))
[ 0.516094][ T0] ? report_bug (lib/bug.c:199 (discriminator 2))
[ 0.516522][ T0] ? exc_overflow (arch/x86/kernel/traps.c:301)
[ 0.516952][ T0] ? handle_bug (arch/x86/kernel/traps.c:?)
[ 0.517363][ T0] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1))
[ 0.517815][ T0] ? handle_exception (arch/x86/entry/entry_32.S:1048)
[ 0.518296][ T0] ? exc_overflow (arch/x86/kernel/traps.c:301)
[ 0.518704][ T0] ? trace_event_raw_init (kernel/trace/trace_events.c:565 (discriminator 12))
[ 0.519182][ T0] ? exc_overflow (arch/x86/kernel/traps.c:301)
[ 0.519614][ T0] ? trace_event_raw_init (kernel/trace/trace_events.c:565 (discriminator 12))
[ 0.520146][ T0] ? __set_enter_print_fmt (kernel/trace/trace_syscalls.c:227 (discriminator 3))
[ 0.520642][ T0] ? set_syscall_print_fmt (kernel/trace/trace_syscalls.c:256)
[ 0.521139][ T0] event_init (kernel/trace/trace_events.c:2832)
[ 0.521533][ T0] event_trace_enable (kernel/trace/trace_events.c:4163)
[ 0.522007][ T0] trace_event_init (kernel/trace/trace_events.c:4256)
[ 0.522452][ T0] trace_init (kernel/trace/trace.c:10838)
[ 0.522824][ T0] start_kernel (init/main.c:999)
[ 0.523252][ T0] i386_start_kernel (arch/x86/kernel/head32.c:79 (discriminator 1))
[ 0.523740][ T0] startup_32_smp (arch/x86/kernel/head_32.S:292)
[ 0.524202][ T0] irq event stamp: 0
[ 0.524575][ T0] hardirqs last enabled at (0): 0x0
[ 0.525196][ T0] hardirqs last disabled at (0): 0x0
[ 0.525821][ T0] softirqs last enabled at (0): 0x0
[ 0.526405][ T0] softirqs last disabled at (0): 0x0
[ 0.526966][ T0] ---[ end trace 0000000000000000 ]---
[ 0.527479][ T0] event xe_bo_move has unsafe dereference of argument 4
[ 0.528145][ T0] print_fmt: "move_lacks_source:%s, migrate object %p [size %zu] from %s to %s device_id:%s", REC->move_lacks_source ? "yes" : "no", REC->bo, REC->size, xe_mem_type_to_name[REC->old_placement], xe_mem_type_to_name[REC->new_placement], __get_str(device_id)
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20241224/202412242355.7e1a8e45-lkp@intel.com
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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