From: kernel test robot <oliver.sang@intel.com>
To: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Cc: <oe-lkp@lists.linux.dev>, <lkp@intel.com>, <oliver.sang@intel.com>
Subject: [kas:compound_head] [mm] 5de5481103: WARNING:at_mm/slub.c:#free_large_kmalloc
Date: Wed, 10 Dec 2025 21:37:09 +0800 [thread overview]
Message-ID: <202512101653.99bc860b-lkp@intel.com> (raw)
Hello,
kernel test robot noticed "WARNING:at_mm/slub.c:#free_large_kmalloc" on:
commit: 5de54811034e58e3c5cef4823504dd93c78fa780 ("mm: Rework compound_head() for power-of-2 sizeof(struct page)")
https://git.kernel.org/cgit/linux/kernel/git/kas/linux.git compound_head
in testcase: boot
config: i386-randconfig-017-20251208
compiler: gcc-14
test machine: qemu-system-i386 -enable-kvm -cpu SandyBridge -smp 2 -m 4G
(please refer to attached dmesg/kmsg for entire log/backtrace)
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/202512101653.99bc860b-lkp@intel.com
[ 0.300406][ T1] ------------[ cut here ]------------
[ 0.300406][ T1] WARNING: CPU: 0 PID: 1 at mm/slub.c:6760 free_large_kmalloc (mm/slub.c:6760)
[ 0.300406][ T1] Modules linked in:
[ 0.300406][ T1] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.18.0-00004-g5de54811034e #1 PREEMPTLAZY 6e1696c0df2045bcd138d035908771f8466c27fc
[ 0.300414][ T1] EIP: free_large_kmalloc (mm/slub.c:6760)
[ 0.300818][ T1] Code: 5b 5e 5f 5d c3 2e 8d b4 26 00 00 00 00 8d 76 00 3e 8d 74 26 00 55 89 e5 57 89 d7 56 53 89 c3 e8 9c e8 ff ff 80 7b 1b f8 74 13 <0f> 0b ba ed d8 af b1 89 d8 e8 68 7f fd ff e9 8a 00 00 00 89 c6 85
All code
========
0: 5b pop %rbx
1: 5e pop %rsi
2: 5f pop %rdi
3: 5d pop %rbp
4: c3 ret
5: 2e 8d b4 26 00 00 00 cs lea 0x0(%rsi,%riz,1),%esi
c: 00
d: 8d 76 00 lea 0x0(%rsi),%esi
10: 3e 8d 74 26 00 ds lea 0x0(%rsi,%riz,1),%esi
15: 55 push %rbp
16: 89 e5 mov %esp,%ebp
18: 57 push %rdi
19: 89 d7 mov %edx,%edi
1b: 56 push %rsi
1c: 53 push %rbx
1d: 89 c3 mov %eax,%ebx
1f: e8 9c e8 ff ff call 0xffffffffffffe8c0
24: 80 7b 1b f8 cmpb $0xf8,0x1b(%rbx)
28: 74 13 je 0x3d
2a:* 0f 0b ud2 <-- trapping instruction
2c: ba ed d8 af b1 mov $0xb1afd8ed,%edx
31: 89 d8 mov %ebx,%eax
33: e8 68 7f fd ff call 0xfffffffffffd7fa0
38: e9 8a 00 00 00 jmp 0xc7
3d: 89 c6 mov %eax,%esi
3f: 85 .byte 0x85
Code starting with the faulting instruction
===========================================
0: 0f 0b ud2
2: ba ed d8 af b1 mov $0xb1afd8ed,%edx
7: 89 d8 mov %ebx,%eax
9: e8 68 7f fd ff call 0xfffffffffffd7f76
e: e9 8a 00 00 00 jmp 0x9d
13: 89 c6 mov %eax,%esi
15: 85 .byte 0x85
[ 0.302169][ T1] EAX: 00000000 EBX: f1801e00 ECX: 00000007 EDX: 00000000
[ 0.302648][ T1] ESI: b0309000 EDI: b0309000 EBP: b02a5ee0 ESP: b02a5ed4
[ 0.303315][ T1] DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068 EFLAGS: 00010202
[ 0.303837][ T1] CR0: 80050033 CR2: ffd98000 CR3: 022a0000 CR4: 000406d0
[ 0.304314][ T1] Call Trace:
[ 0.304416][ T1] ? kobject_uevent_env (lib/kobject_uevent.c:640)
[ 0.304777][ T1] kfree (mm/slub.c:6844)
[ 0.305033][ T1] ? kobject_uevent_env (lib/kobject_uevent.c:640)
[ 0.305404][ T1] kobject_uevent_env (lib/kobject_uevent.c:640)
[ 0.305821][ T1] kobject_uevent (lib/kobject_uevent.c:657)
[ 0.306279][ T1] kset_register (lib/kobject.c:879)
[ 0.306787][ T1] bus_register (drivers/base/bus.c:880)
[ 0.307305][ T1] faux_bus_init (drivers/base/faux.c:245)
[ 0.307822][ T1] driver_init (drivers/base/init.c:36)
[ 0.308314][ T1] kernel_init_freeable (init/main.c:1378 init/main.c:1593)
[ 0.308433][ T1] ? rest_init (init/main.c:1475)
[ 0.312434][ T1] kernel_init (init/main.c:1485)
[ 0.312949][ T1] ret_from_fork (arch/x86/kernel/process.c:164)
[ 0.313466][ T1] ? rest_init (init/main.c:1475)
[ 0.313958][ T1] ret_from_fork_asm (arch/x86/entry/entry_32.S:737)
[ 0.314514][ T1] entry_INT80_32 (arch/x86/entry/entry_32.S:945)
[ 0.315071][ T1] irq event stamp: 677
[ 0.315581][ T1] hardirqs last enabled at (685): __up_console_sem (arch/x86/include/asm/irqflags.h:42 arch/x86/include/asm/irqflags.h:119 arch/x86/include/asm/irqflags.h:159 kernel/printk/printk.c:345)
[ 0.316422][ T1] hardirqs last disabled at (694): __up_console_sem (kernel/printk/printk.c:343 (discriminator 3))
[ 0.317385][ T1] softirqs last enabled at (624): handle_softirqs (kernel/softirq.c:469 (discriminator 2) kernel/softirq.c:650 (discriminator 2))
[ 0.318358][ T1] softirqs last disabled at (619): __do_softirq (kernel/softirq.c:657)
[ 0.319360][ T1] ---[ end trace 0000000000000000 ]---
[ 0.320014][ T1] page: refcount:0 mapcount:0 mapping:(ptrval) index:0xffffffff pfn:0x302
[ 0.320425][ T1] aops:0x0 ino:0
[ 0.320842][ T1] flags: 0x0(zone=0)
[ 0.321296][ T1] raw: 00000000 ffffff01 f1801e08 f1801e08 ffffffff 00000000 ffffffff 00000000
[ 0.322308][ T1] page dumped because: Not a kmalloc allocation
[ 0.323277][ T1] page: refcount:0 mapcount:0 mapping:(ptrval) index:0xffffffff pfn:0x30a
[ 0.324291][ T1] aops:0x0 ino:0
[ 0.324424][ T1] flags: 0x0(zone=0)
[ 0.324882][ T1] raw: 00000000 ffffff01 f1801f08 f1801f08 ffffffff 00000000 ffffffff 00000000
[ 0.325821][ T1] page dumped because: Not a kmalloc allocation
[ 0.326440][ T1] page: refcount:0 mapcount:0 mapping:(ptrval) index:0xffffffff pfn:0x30a
[ 0.327072][ T1] aops:0x0 ino:0
[ 0.327315][ T1] flags: 0x0(zone=0)
[ 0.327577][ T1] raw: 00000000 ffffff01 f1801f08 f1801f08 ffffffff 00000000 ffffffff 00000000
[ 0.328168][ T1] page dumped because: Not a kmalloc allocation
[ 0.328487][ T1] page: refcount:0 mapcount:0 mapping:(ptrval) index:0xffffffff pfn:0x30a
[ 0.329056][ T1] aops:0x0 ino:0
[ 0.329297][ T1] flags: 0x0(zone=0)
[ 0.329580][ T1] raw: 00000000 ffffff01 f1801f08 f1801f08 ffffffff 00000000 ffffffff 00000000
[ 0.330174][ T1] page dumped because: Not a kmalloc allocation
[ 0.330686][ T1] page: refcount:0 mapcount:0 mapping:(ptrval) index:0xffffffff pfn:0x30a
[ 0.331256][ T1] aops:0x0 ino:0
[ 0.331496][ T1] flags: 0x0(zone=0)
[ 0.331760][ T1] raw: 00000000 ffffff01 f1801f08 f1801f08 ffffffff 00000000 ffffffff 00000000
[ 0.332355][ T1] page dumped because: Not a kmalloc allocation
[ 0.332649][ T1] page: refcount:0 mapcount:0 mapping:(ptrval) index:0xffffffff pfn:0x312
[ 0.333243][ T1] aops:0x0 ino:0
[ 0.333487][ T1] flags: 0x0(zone=0)
[ 0.333749][ T1] raw: 00000000 ffffff01 f1802008 f1802008 ffffffff 00000000 ffffffff 00000000
[ 0.334383][ T1] page dumped because: Not a kmalloc allocation
[ 0.334807][ T1] page: refcount:0 mapcount:0 mapping:(ptrval) index:0xffffffff pfn:0x30a
[ 0.335372][ T1] aops:0x0 ino:0
[ 0.335612][ T1] flags: 0x0(zone=0)
[ 0.335876][ T1] raw: 00000000 ffffff01 f1801f08 f1801f08 ffffffff 00000000 ffffffff 00000000
[ 0.336413][ T1] page dumped because: Not a kmalloc allocation
[ 0.337047][ T1] page: refcount:0 mapcount:0 mapping:(ptrval) index:0xffffffff pfn:0x30a
[ 0.337621][ T1] aops:0x0 ino:0
[ 0.337895][ T1] flags: 0x0(zone=0)
[ 0.338156][ T1] raw: 00000000 ffffff01 f1801f08 f1801f08 ffffffff 00000000 ffffffff 00000000
[ 0.338746][ T1] page dumped because: Not a kmalloc allocation
[ 0.341224][ T1] Running RCU Tasks wait API self tests
[ 0.444516][ T1] Running RCU Tasks Rude wait API self tests
[ 0.445152][ T1] Running RCU Tasks Trace wait API self tests
[ 0.445628][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns
[ 0.446843][ T1] futex hash table entries: 256 (15360 bytes on 1 NUMA nodes, total 15 KiB, linear).
[ 0.449135][ T1] pinctrl core: initialized pinctrl subsystem
[ 0.449553][ T1] pinctrl core: failed to create debugfs directory
[ 0.451376][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family
[ 0.454173][ T1] page: refcount:0 mapcount:0 mapping:(ptrval) index:0xffffffff pfn:0x8da
[ 0.454758][ T1] aops:0x0 ino:0
[ 0.455001][ T1] flags: 0x0(zone=0)
[ 0.455264][ T1] raw: 00000000 ffffff01 f180d908 f180d908 ffffffff 00000000 ffffffff 00000000
[ 0.455856][ T1] page dumped because: Not a kmalloc allocation
[ 0.456291][ T1] page: refcount:0 mapcount:0 mapping:(ptrval) index:0xffffffff pfn:0x8da
[ 0.456424][ T16] Callback from call_rcu_tasks_trace() invoked.
[ 0.456897][ T1] aops:0x0 ino:0
[ 0.457141][ T1] flags: 0x0(zone=0)
[ 0.457402][ T1] raw: 00000000 ffffff01 f180d908 f180d908 ffffffff 00000000 ffffffff 00000000
[ 0.458001][ T1] page dumped because: Not a kmalloc allocation
[ 0.458427][ T1] page: refcount:0 mapcount:0 mapping:(ptrval) index:0xffffffff pfn:0x8d2
[ 0.458991][ T1] aops:0x0 ino:0
[ 0.459229][ T1] flags: 0x0(zone=0)
[ 0.459488][ T1] raw: 00000000 ffffff01 f180d808 f180d808 ffffffff 00000000 ffffffff 00000000
[ 0.460109][ T1] page dumped because: Not a kmalloc allocation
[ 0.460432][ T1] thermal_sys: Registered thermal governor 'fair_share'
[ 0.460436][ T1] thermal_sys: Registered thermal governor 'bang_bang'
[ 0.460899][ T1] thermal_sys: Registered thermal governor 'step_wise'
[ 0.461353][ T1] thermal_sys: Registered thermal governor 'user_space'
[ 0.461880][ T1] EISA bus registered
[ 0.462613][ T1] cpuidle: using governor ladder
[ 0.462954][ T1] cpuidle: using governor teo
[ 0.464109][ T1] PCI: Using configuration type 1 for base access
[ 0.465094][ T1] kprobes: kprobe jump-optimization is enabled. All kprobes are optimized if possible.
[ 0.465864][ T1] workqueue: round-robin CPU selection forced, expect performance impact
[ 0.486995][ T1] ACPI: Added _OSI(Module Device)
[ 0.487350][ T1] ACPI: Added _OSI(Processor Device)
[ 0.487709][ T1] ACPI: Added _OSI(Processor Aggregator Device)
[ 0.508673][ T1] ACPI: 1 ACPI AML tables successfully acquired and loaded
[ 0.533188][ T1] ACPI: Interpreter enabled
[ 0.533548][ T1] ACPI: PM: (supports S0 S5)
[ 0.533858][ T1] ACPI: Using IOAPIC for interrupt routing
[ 0.534322][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20251210/202512101653.99bc860b-lkp@intel.com
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2025-12-10 13:37 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=202512101653.99bc860b-lkp@intel.com \
--to=oliver.sang@intel.com \
--cc=kirill.shutemov@linux.intel.com \
--cc=lkp@intel.com \
--cc=oe-lkp@lists.linux.dev \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.