* [linus:master] [mm/slab] 4b87369646: WARNING:at_include/linux/alloc_tag.h:#slab_post_alloc_hook
@ 2024-09-29 13:05 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2024-09-29 13:05 UTC (permalink / raw)
To: Suren Baghdasaryan
Cc: oe-lkp, lkp, linux-kernel, Andrew Morton, Kent Overstreet,
Kees Cook, Vlastimil Babka, Alexander Viro, Alex Gaynor,
Alice Ryhl, Andreas Hindborg, Benno Lossin, Björn Roy Baron,
Boqun Feng, Christoph Lameter, Dennis Zhou, Gary Guo,
Miguel Ojeda, Pasha Tatashin, Peter Zijlstra, Tejun Heo,
Wedson Almeida Filho, linux-mm, oliver.sang
Hello,
kernel test robot noticed "WARNING:at_include/linux/alloc_tag.h:#slab_post_alloc_hook" on:
commit: 4b8736964640fe160724e7135dc62883bddcdace ("mm/slab: add allocation accounting into slab allocation and free paths")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
[test failed on linus/master 075dbe9f6e3c21596c5245826a4ee1f1c1676eb8]
[test failed on linux-next/master 40e0c9d414f57d450e3ad03c12765e797fc3fede]
[test failed on fix ab7ca09520e9c41c219a4427fe0dae24024bfe7f]
in testcase: trinity
version:
with following parameters:
runtime: 300s
group: group-01
nr_groups: 5
compiler: clang-18
test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G
(please refer to attached dmesg/kmsg for entire log/backtrace)
+--------------------------------------------------------------------+------------+------------+
| | c789b5fe38 | 4b87369646 |
+--------------------------------------------------------------------+------------+------------+
| WARNING:at_include/linux/alloc_tag.h:#slab_post_alloc_hook | 0 | 24 |
| EIP:slab_post_alloc_hook | 0 | 24 |
| WARNING:at_include/linux/alloc_tag.h:#alloc_tagging_slab_free_hook | 0 | 24 |
| EIP:alloc_tagging_slab_free_hook | 0 | 24 |
+--------------------------------------------------------------------+------------+------------+
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@intel.com>
| Closes: https://lore.kernel.org/oe-lkp/202409291608.d9846653-lkp@intel.com
[ 4.475119][ T0] ------------[ cut here ]------------
[ 4.475771][ T0] current->alloc_tag not set
[ 4.475804][ T0] WARNING: CPU: 0 PID: 0 at include/linux/alloc_tag.h:95 slab_post_alloc_hook (include/linux/alloc_tag.h:95 include/linux/alloc_tag.h:131 mm/slub.c:3957)
[ 4.477578][ T0] Modules linked in:
[ 4.478054][ T0] CPU: 0 PID: 0 Comm: swapper Not tainted 6.9.0-rc4-00083-g4b8736964640 #1
[ 4.479166][ T0] EIP: slab_post_alloc_hook (include/linux/alloc_tag.h:95 include/linux/alloc_tag.h:131 mm/slub.c:3957)
[ 4.479840][ T0] Code: c9 e8 5d 1e f3 ff c7 04 24 01 00 00 00 b8 a0 ad c9 c3 ba 01 00 00 00 31 c9 e8 45 1e f3 ff c7 04 24 3a 87 53 c3 e8 e9 3b dd ff <0f> 0b c7 04 24 01 00 00 00 b8 b8 ad c9 c3 ba 01 00 00 00 eb 0e c7
All code
========
0: c9 leave
1: e8 5d 1e f3 ff call 0xfffffffffff31e63
6: c7 04 24 01 00 00 00 movl $0x1,(%rsp)
d: b8 a0 ad c9 c3 mov $0xc3c9ada0,%eax
12: ba 01 00 00 00 mov $0x1,%edx
17: 31 c9 xor %ecx,%ecx
19: e8 45 1e f3 ff call 0xfffffffffff31e63
1e: c7 04 24 3a 87 53 c3 movl $0xc353873a,(%rsp)
25: e8 e9 3b dd ff call 0xffffffffffdd3c13
2a:* 0f 0b ud2 <-- trapping instruction
2c: c7 04 24 01 00 00 00 movl $0x1,(%rsp)
33: b8 b8 ad c9 c3 mov $0xc3c9adb8,%eax
38: ba 01 00 00 00 mov $0x1,%edx
3d: eb 0e jmp 0x4d
3f: c7 .byte 0xc7
Code starting with the faulting instruction
===========================================
0: 0f 0b ud2
2: c7 04 24 01 00 00 00 movl $0x1,(%rsp)
9: b8 b8 ad c9 c3 mov $0xc3c9adb8,%eax
e: ba 01 00 00 00 mov $0x1,%edx
13: eb 0e jmp 0x23
15: c7 .byte 0xc7
[ 4.482296][ T0] EAX: c3c5d12c EBX: c0100101 ECX: 00000000 EDX: 00000000
[ 4.483216][ T0] ESI: 00000000 EDI: 00000001 EBP: c36b5efc ESP: c36b5ec0
[ 4.484080][ T0] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 EFLAGS: 00210086
[ 4.485009][ T0] CR0: 80050033 CR2: ffcb2000 CR3: 04016000 CR4: 00000090
[ 4.485867][ T0] Call Trace:
[ 4.486271][ T0] ? show_regs (arch/x86/kernel/dumpstack.c:478)
[ 4.486815][ T0] ? slab_post_alloc_hook (include/linux/alloc_tag.h:95 include/linux/alloc_tag.h:131 mm/slub.c:3957)
[ 4.487401][ T0] ? __warn (kernel/panic.c:240 kernel/panic.c:694)
[ 4.487847][ T0] ? slab_post_alloc_hook (include/linux/alloc_tag.h:95 include/linux/alloc_tag.h:131 mm/slub.c:3957)
[ 4.488481][ T0] ? report_bug (lib/bug.c:199)
[ 4.489036][ T0] ? slab_post_alloc_hook (include/linux/alloc_tag.h:95 include/linux/alloc_tag.h:131 mm/slub.c:3957)
[ 4.489677][ T0] ? exc_overflow (arch/x86/kernel/traps.c:252)
[ 4.490224][ T0] ? handle_bug (arch/x86/kernel/traps.c:?)
[ 4.490782][ T0] ? exc_invalid_op (arch/x86/kernel/traps.c:260)
[ 4.491366][ T0] ? handle_exception (arch/x86/entry/entry_32.S:1047)
[ 4.491992][ T0] ? exc_overflow (arch/x86/kernel/traps.c:252)
[ 4.492524][ T0] ? slab_post_alloc_hook (include/linux/alloc_tag.h:95 include/linux/alloc_tag.h:131 mm/slub.c:3957)
[ 4.493172][ T0] ? exc_overflow (arch/x86/kernel/traps.c:252)
[ 4.493747][ T0] ? slab_post_alloc_hook (include/linux/alloc_tag.h:95 include/linux/alloc_tag.h:131 mm/slub.c:3957)
[ 4.494448][ T0] slab_alloc_node (mm/slub.c:4000)
[ 4.495089][ T0] kmem_cache_alloc (mm/slub.c:4007)
[ 4.495671][ T0] ? debug_objects_replace_static_objects (lib/debugobjects.c:?)
[ 4.496471][ T0] debug_objects_replace_static_objects (lib/debugobjects.c:?)
[ 4.497281][ T0] debug_objects_mem_init (lib/debugobjects.c:1386)
[ 4.497935][ T0] mm_core_init (mm/mm_init.c:2787)
[ 4.498494][ T0] start_kernel (init/main.c:939)
[ 4.499087][ T0] i386_start_kernel (arch/x86/kernel/head32.c:79)
[ 4.499734][ T0] startup_32_smp (arch/x86/kernel/head_32.S:295)
[ 4.500372][ T0] irq event stamp: 0
[ 4.500862][ T0] hardirqs last enabled at (0): 0x0
[ 4.501669][ T0] hardirqs last disabled at (0): 0x0
[ 4.502475][ T0] softirqs last enabled at (0): 0x0
[ 4.507414][ T0] softirqs last disabled at (0): 0x0
[ 4.508243][ T0] ---[ end trace 0000000000000000 ]---
[ 4.563547][ T0] allocated 56623104 bytes of page_ext
[ 4.576043][ T0] Node 0, zone Normal: page owner found early allocated 13853 pages
[ 4.577459][ T0] Node 0, zone HighMem: page owner found early allocated 0 pages
[ 4.578644][ T0] ftrace: allocating 69614 entries in 136 pages
[ 4.602968][ T0] ftrace: allocated 136 pages with 2 groups
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20240929/202409291608.d9846653-lkp@intel.com
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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