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Date: Sun, 30 Jun 2024 17:41:36 +0800
From: kernel test robot <oliver.sang@...el.com>
To: Ingo Molnar <mingo@...nel.org>
CC: <oe-lkp@...ts.linux.dev>, <lkp@...el.com>, <linux-kernel@...r.kernel.org>,
<x86@...nel.org>, Oleg Nesterov <oleg@...hat.com>, Andy Lutomirski
<luto@...nel.org>, Borislav Petkov <bp@...en8.de>, Fenghua Yu
<fenghua.yu@...el.com>, "H. Peter Anvin" <hpa@...or.com>, Linus Torvalds
<torvalds@...ux-foundation.org>, Dave Hansen <dave.hansen@...ux.intel.com>,
Thomas Gleixner <tglx@...utronix.de>, Uros Bizjak <ubizjak@...il.com>,
<oliver.sang@...el.com>
Subject: [tip:WIP.x86/fpu] [x86/fpu] 8073335229:
WARNING:at_mm/vmalloc.c:#remove_vm_area
Hello,
kernel test robot noticed "WARNING:at_mm/vmalloc.c:#remove_vm_area" on:
commit: 80733352295340ab492002bd023ea8a1db8025f5 ("x86/fpu: Remove the thread::fpu pointer")
https://git.kernel.org/cgit/linux/kernel/git/tip/tip.git WIP.x86/fpu
[test failed on linux-next/master 62c97045b8f720c2eac807a5f38e26c9ed512371]
in testcase: stress-ng
version: stress-ng-x86_64-ecd3fe291-1_20240612
with following parameters:
nr_threads: 100%
testtime: 60s
test: sysfs
cpufreq_governor: performance
compiler: gcc-13
test machine: 224 threads 2 sockets Intel(R) Xeon(R) Platinum 8480CTDX (Sapphire Rapids) with 256G memory
(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@...el.com>
| Closes: https://lore.kernel.org/oe-lkp/202406281539.7f1bd833-oliver.sang@intel.com
kern :warn : [ 109.805527] ------------[ cut here ]------------
kern :warn : [ 109.812194] Trying to vfree() bad address (00000000132062a9)
kern :warn : [ 109.819933] WARNING: CPU: 84 PID: 1612 at mm/vmalloc.c:3195 remove_vm_area (mm/vmalloc.c:3195 (discriminator 1))
kern :warn : [ 109.829916] Modules linked in: intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel btrfs kvm crct10dif_pclmul crc32_pclmul blake2b_generic ghash_clmulni_intel sd_mod sg sha512_ssse3 xor raid6_pq libcrc32c crc32c_intel rapl nvme nvme_core t10_pi intel_cstate ahci ast libahci ipmi_ssif mei_me i2c_i801 crc64_rocksoft_generic drm_shmem_helper crc64_rocksoft dax_hmem acpi_power_meter drm_kms_helper libata megaraid_sas mei wmi i2c_ismt crc64 i2c_smbus ipmi_si acpi_ipmi ipmi_devintf binfmt_misc ipmi_msghandler acpi_pad drm fuse loop dm_mod ip_tables
user :notice: [ 109.859859] stress-ng: metrc: [6575] stressor bogo ops real time usr time sys time bogo ops/s bogo ops/s CPU used per RSS Max
kern :warn : [ 109.888492] CPU: 84 PID: 1612 Comm: kworker/84:1 Not tainted 6.10.0-rc3-00004-g807333522953 #1
kern :warn : [ 109.905370] Workqueue: events delayed_vfree_work
user :notice: [ 109.918106] stress-ng: metrc: [6575] (secs) (secs) (secs) (real time) (usr+sys time) instance (%) (KB)
kern :warn : [ 109.918484] RIP: 0010:remove_vm_area (mm/vmalloc.c:3195 (discriminator 1))
user :notice: [ 109.926459] stress-ng: metrc: [6575] sysfs 160196 60.00 120.35 12186.65 2669.78 13.02 91.56 1852
kern :warn : [ 109.940064] Code: 48 8b 70 08 e8 40 f2 ff ff 48 89 df e8 f8 ae ff ff 48 89 e8 5b 5d c3 cc cc cc cc 48 89 de 48 c7 c7 48 2c 99 82 e8 1f 74 d1 ff <0f> 0b 31 ed 5b 48 89 e8 5d c3 cc cc cc cc 90 90 90 90 90 90 90 90
All code
========
0: 48 8b 70 08 mov 0x8(%rax),%rsi
4: e8 40 f2 ff ff callq 0xfffffffffffff249
9: 48 89 df mov %rbx,%rdi
c: e8 f8 ae ff ff callq 0xffffffffffffaf09
11: 48 89 e8 mov %rbp,%rax
14: 5b pop %rbx
15: 5d pop %rbp
16: c3 retq
17: cc int3
18: cc int3
19: cc int3
1a: cc int3
1b: 48 89 de mov %rbx,%rsi
1e: 48 c7 c7 48 2c 99 82 mov $0xffffffff82992c48,%rdi
25: e8 1f 74 d1 ff callq 0xffffffffffd17449
2a:* 0f 0b ud2 <-- trapping instruction
2c: 31 ed xor %ebp,%ebp
2e: 5b pop %rbx
2f: 48 89 e8 mov %rbp,%rax
32: 5d pop %rbp
33: c3 retq
34: cc int3
35: cc int3
36: cc int3
37: cc int3
38: 90 nop
39: 90 nop
3a: 90 nop
3b: 90 nop
3c: 90 nop
3d: 90 nop
3e: 90 nop
3f: 90 nop
Code starting with the faulting instruction
===========================================
0: 0f 0b ud2
2: 31 ed xor %ebp,%ebp
4: 5b pop %rbx
5: 48 89 e8 mov %rbp,%rax
8: 5d pop %rbp
9: c3 retq
a: cc int3
b: cc int3
c: cc int3
d: cc int3
e: 90 nop
f: 90 nop
10: 90 nop
11: 90 nop
12: 90 nop
13: 90 nop
14: 90 nop
15: 90 nop
user :notice: [ 109.943272] stress-ng: metrc: [6575] miscellaneous metrics:
kern :warn : [ 109.948465] RSP: 0018:ffa00000118a7e20 EFLAGS: 00010286
kern :warn : [ 109.948468] RAX: 0000000000000000 RBX: ff1100406ccdd340 RCX: 0000000000000000
user :notice: [ 109.952683] stress-ng: metrc: [6575] sysfs 188.37 sysfs files exercised per sec (harmonic mean of 224 instances)
kern :warn : [ 109.966542] RDX: ff11003fc1a2e2c0 RSI: ff11003fc1a20b00 RDI: ff11003fc1a20b00
kern :warn : [ 109.991046] RBP: ff1100406ccdd340 R08: 0000000000000000 R09: 0000000000000003
kern :warn : [ 109.991048] R10: ffa00000118a7cb8 R11: ff1100407fcb7fe8 R12: ff1100208000fe00
kern :warn : [ 109.991048] R13: ff11003fc1a33b00 R14: ff1100208000fe05 R15: ff110001000408c0
kern :warn : [ 109.991049] FS: 0000000000000000(0000) GS:ff11003fc1a00000(0000) knlGS:0000000000000000
user :notice: [ 109.998850] stress-ng: info: [6575] for a 60.09s run time:
kern :warn : [ 110.004913] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
user :notice: [ 110.014575] stress-ng: info: [6575] 13460.96s available CPU time
kern :warn : [ 110.016332] CR2: 000055666f401650 CR3: 000000407de9a006 CR4: 0000000000f71ef0
user :notice: [ 110.030915] stress-ng: info: [6575] 120.35s user time ( 0.89%)
kern :warn : [ 110.038976] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
user :notice: [ 110.042309] stress-ng: info: [6575] 12186.82s system time ( 90.53%)
kern :warn : [ 110.050427] DR3: 0000000000000000 DR6: 00000000fffe07f0 DR7: 0000000000000400
kern :warn : [ 110.050429] PKRU: 55555554
kern :warn : [ 110.050430] Call Trace:
kern :warn : [ 110.050432] <TASK>
user :notice: [ 110.060100] stress-ng: info: [6575] 12307.17s total time ( 91.43%)
kern :warn : [ 110.068193] ? __warn (kernel/panic.c:693)
user :notice: [ 110.078927] stress-ng: info: [6575] load average: 476.09 137.10 47.15
kern :warn : [ 110.085280] ? remove_vm_area (mm/vmalloc.c:3195 (discriminator 1))
kern :warn : [ 110.095131] ? report_bug (lib/bug.c:180 lib/bug.c:219)
user :notice: [ 110.103514] stress-ng: info: [6575] skipped: 0
kern :warn : [ 110.111930] ? handle_bug (arch/x86/kernel/traps.c:239)
user :notice: [ 110.115126] stress-ng: info: [6575] passed: 224: sysfs (224)
kern :warn : [ 110.122694] ? exc_invalid_op (arch/x86/kernel/traps.c:260 (discriminator 1))
kern :warn : [ 110.122697] ? asm_exc_invalid_op (arch/x86/include/asm/idtentry.h:621)
user :notice: [ 110.132072] stress-ng: info: [6575] failed: 0
kern :warn : [ 110.134144] ? remove_vm_area (mm/vmalloc.c:3195 (discriminator 1))
kern :warn : [ 110.134147] vfree (mm/vmalloc.c:3316 (discriminator 2))
user :notice: [ 110.143001] stress-ng: info: [6575] metrics untrustworthy: 0
kern :warn : [ 110.151243] delayed_vfree_work (mm/vmalloc.c:3266 (discriminator 1))
kern :warn : [ 110.151246] process_one_work (kernel/workqueue.c:3231)
user :notice: [ 110.156131] stress-ng: info: [6575] successful run completed in 1 min, 0.09 secs
kern :warn : [ 110.158797] worker_thread (kernel/workqueue.c:3306 (discriminator 2) kernel/workqueue.c:3393 (discriminator 2))
user :notice: [ 110.221173] /usr/bin/wget -q --timeout=3600 --tries=1 --local-encoding=UTF-8 http://10.239.97.5:80/~lkp/cgi-bin/lkp-jobfile-append-var?job_file=/lkp/jobs/scheduled/lkp-spr-r02/stress-ng-performance-100%25-sysfs-60s-debian-12-x86_64-20240206.cgz-807333522953-20240625-54609-1oto9j9-13.yaml&job_state=post_run -O /dev/null
kern :warn : [ 110.226000] ? __pfx_worker_thread (kernel/workqueue.c:3339)
kern :warn : [ 110.359162] ? __pfx_worker_thread (kernel/workqueue.c:3339)
kern :warn : [ 110.365216] kthread (kernel/kthread.c:389)
kern :warn : [ 110.369910] ? __pfx_kthread (kernel/kthread.c:342)
kern :warn : [ 110.375424] ret_from_fork (arch/x86/kernel/process.c:145)
kern :warn : [ 110.380820] ? __pfx_kthread (kernel/kthread.c:342)
kern :warn : [ 110.386304] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
kern :warn : [ 110.391956] </TASK>
kern :warn : [ 110.395774] ---[ end trace 0000000000000000 ]---
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20240628/202406281539.7f1bd833-oliver.sang@intel.com
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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