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]
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