Hello,
kernel test robot noticed "WARNING:at_mm/gup.c:#try_grab_page" on:
commit: 69b40318d4fdb6a9ac6bb833618e4cd954db4946 ("[PATCH v7 3/4] block: introduce folio awareness and add a bigger size from folio")
url: https://github.com/intel-lab-lkp/linux/commits/Kundan-Kumar/block-Added-folio-lized-version-of-bvec_try_merge_hw_page/20240705-055633
base: https://git.kernel.org/cgit/linux/kernel/git/axboe/linux-block.git for-next
patch link: https://lore.kernel.org/all/20240704070357.1993-4-kundan.kumar@xxxxxxxxxxx/
patch subject: [PATCH v7 3/4] block: introduce folio awareness and add a bigger size from folio
in testcase: ltp
version: ltp-x86_64-14c1f76-1_20240706
with following parameters:
disk: 1HDD
fs: ext4
test: ltp-aiodio.part2-00
compiler: gcc-13
test machine: 36 threads 1 sockets Intel(R) Core(TM) i9-10980XE CPU @ 3.00GHz (Cascade Lake) with 128G 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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-lkp/202407081641.6a640f9e-oliver.sang@xxxxxxxxx
kern :warn : [ 327.605962] ------------[ cut here ]------------
kern :warn : [ 327.606706] WARNING: CPU: 1 PID: 5867 at mm/gup.c:229 try_grab_page (mm/gup.c:229 (discriminator 1))
kern :warn : [ 327.607701] Modules linked in: intel_rapl_msr intel_rapl_common nfit libnvdimm x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel sha512_ssse3 rapl btrfs blake2b_generic xor zstd_compress raid6_pq libcrc32c crc32c_intel sd_mod sg intel_cstate ahci mei_me nvme libahci ipmi_devintf ipmi_msghandler intel_uncore intel_wmi_thunderbolt wmi_bmof mxm_wmi wdat_wdt libata nvme_core i2c_i801 ioatdma mei i2c_smbus dca wmi binfmt_misc drm fuse loop dm_mod ip_tables
kern :warn : [ 327.613419] CPU: 1 PID: 5867 Comm: dio_sparse Not tainted 6.10.0-rc6-00246-g69b40318d4fd #1
kern :warn : [ 327.614547] Hardware name: Gigabyte Technology Co., Ltd. X299 UD4 Pro/X299 UD4 Pro-CF, BIOS F8a 04/27/2021
kern :warn : [ 327.615788] RIP: 0010:try_grab_page (mm/gup.c:229 (discriminator 1))
kern :warn : [ 327.616621] Code: 40 f6 c5 01 0f 84 1a fe ff ff 48 83 ed 01 e9 14 fe ff ff be 04 00 00 00 4c 89 e7 e8 bd 68 14 00 f0 41 ff 04 24 e9 67 ff ff ff <0f> 0b b8 f4 ff ff ff 5b 5d 41 5c 41 5d c3 cc cc cc cc e8 9c 68 14
All code
========
0: 40 f6 c5 01 test $0x1,%bpl
4: 0f 84 1a fe ff ff je 0xfffffffffffffe24
a: 48 83 ed 01 sub $0x1,%rbp
e: e9 14 fe ff ff jmp 0xfffffffffffffe27
13: be 04 00 00 00 mov $0x4,%esi
18: 4c 89 e7 mov %r12,%rdi
1b: e8 bd 68 14 00 call 0x1468dd
20: f0 41 ff 04 24 lock incl (%r12)
25: e9 67 ff ff ff jmp 0xffffffffffffff91
2a:* 0f 0b ud2 <-- trapping instruction
2c: b8 f4 ff ff ff mov $0xfffffff4,%eax
31: 5b pop %rbx
32: 5d pop %rbp
33: 41 5c pop %r12
35: 41 5d pop %r13
37: c3 ret
38: cc int3
39: cc int3
3a: cc int3
3b: cc int3
3c: e8 .byte 0xe8
3d: 9c pushf
3e: 68 .byte 0x68
3f: 14 .byte 0x14
Code starting with the faulting instruction
===========================================
0: 0f 0b ud2
2: b8 f4 ff ff ff mov $0xfffffff4,%eax
7: 5b pop %rbx
8: 5d pop %rbp
9: 41 5c pop %r12
b: 41 5d pop %r13
d: c3 ret
e: cc int3
f: cc int3
10: cc int3
11: cc int3
12: e8 .byte 0xe8
13: 9c pushf
14: 68 .byte 0x68
15: 14 .byte 0x14
kern :warn : [ 327.619059] RSP: 0018:ffffc9000d61f2f8 EFLAGS: 00010246
kern :warn : [ 327.619993] RAX: 0000000000000000 RBX: ffffea000bc10000 RCX: ffffffff8194dcbb
kern :warn : [ 327.621085] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffea000bc10034
kern :warn : [ 327.622179] RBP: ffffea000bc10000 R08: 0000000000000000 R09: fffff94001782006
kern :warn : [ 327.623273] R10: ffffea000bc10037 R11: 00007fd4b2aa6fff R12: ffffea000bc10034
kern :warn : [ 327.624366] R13: 0000000000290000 R14: ffff8881267fec40 R15: 0000000000000000
kern :warn : [ 327.625460] FS: 00007fd4b2929740(0000) GS:ffff889f8ae80000(0000) knlGS:0000000000000000
kern :warn : [ 327.626636] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kern :warn : [ 327.627622] CR2: 00007f517b030000 CR3: 0000002081e22001 CR4: 00000000003706f0
kern :warn : [ 327.628727] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
kern :warn : [ 327.629832] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
kern :warn : [ 327.631001] Call Trace:
kern :warn : [ 327.631743] <TASK>
kern :warn : [ 327.632445] ? __warn (kernel/panic.c:693)
kern :warn : [ 327.633243] ? try_grab_page (mm/gup.c:229 (discriminator 1))
kern :warn : [ 327.634128] ? report_bug (lib/bug.c:180 lib/bug.c:219)
kern :warn : [ 327.634985] ? handle_bug (arch/x86/kernel/traps.c:239 (discriminator 1))
kern :warn : [ 327.635835] ? exc_invalid_op (arch/x86/kernel/traps.c:260 (discriminator 1))
kern :warn : [ 327.636695] ? asm_exc_invalid_op (arch/x86/include/asm/idtentry.h:621)
kern :warn : [ 327.637587] ? try_grab_page (arch/x86/include/asm/atomic.h:23 include/linux/atomic/atomic-arch-fallback.h:457 include/linux/atomic/atomic-instrumented.h:33 include/linux/page_ref.h:67 include/linux/page_ref.h:89 mm/gup.c:229)
kern :warn : [ 327.638509] ? try_grab_page (mm/gup.c:229 (discriminator 1))
kern :warn : [ 327.639418] ? try_grab_page (arch/x86/include/asm/atomic.h:23 include/linux/atomic/atomic-arch-fallback.h:457 include/linux/atomic/atomic-instrumented.h:33 include/linux/page_ref.h:67 include/linux/page_ref.h:89 mm/gup.c:229)
kern :warn : [ 327.640285] follow_huge_pmd (mm/gup.c:809)
kern :warn : [ 327.641162] follow_pmd_mask+0x3f8/0x7e0
kern :warn : [ 327.642090] ? __pfx_follow_pmd_mask+0x10/0x10
kern :warn : [ 327.643125] ? find_vma (mm/mmap.c:1944)
kern :warn : [ 327.643948] ? __pfx_find_vma (mm/mmap.c:1944)
kern :warn : [ 327.644804] follow_page_mask (mm/gup.c:1116 mm/gup.c:1162)
kern :warn : [ 327.645674] __get_user_pages (mm/gup.c:1588 (discriminator 1))
kern :warn : [ 327.646601] ? __pfx___get_user_pages (mm/gup.c:1522)
kern :warn : [ 327.647533] ? down_read_killable (arch/x86/include/asm/atomic64_64.h:20 include/linux/atomic/atomic-arch-fallback.h:2629 include/linux/atomic/atomic-long.h:79 include/linux/atomic/atomic-instrumented.h:3224 kernel/locking/rwsem.c:176 kernel/locking/rwsem.c:181 kernel/locking/rwsem.c:249 kernel/locking/rwsem.c:241 kernel/locking/rwsem.c:1249 kernel/locking/rwsem.c:1273 kernel/locking/rwsem.c:1551)
kern :warn : [ 327.648428] ? __pfx_down_read_killable (kernel/locking/rwsem.c:1547)
kern :warn : [ 327.649345] __gup_longterm_locked (mm/gup.c:1859 mm/gup.c:2556)
kern :warn : [ 327.650237] gup_fast_fallback (mm/gup.c:3476)
kern :warn : [ 327.651111] ? __pfx__raw_spin_lock_irqsave (kernel/locking/spinlock.c:161)
kern :warn : [ 327.652030] ? __pfx_gup_fast_fallback (mm/gup.c:3439)
kern :warn : [ 327.652890] ? __link_object (include/linux/rculist.h:79 (discriminator 1) include/linux/rculist.h:128 (discriminator 1) mm/kmemleak.c:728 (discriminator 1))
kern :warn : [ 327.653674] iov_iter_extract_pages (lib/iov_iter.c:1584 (discriminator 1) lib/iov_iter.c:1646 (discriminator 1))
kern :warn : [ 327.654501] __bio_iov_iter_get_pages (block/bio.c:1353)
kern :warn : [ 327.655382] ? __pfx___bio_iov_iter_get_pages (block/bio.c:1324)
kern :warn : [ 327.656273] ? bio_init (arch/x86/include/asm/atomic.h:28 include/linux/atomic/atomic-arch-fallback.h:503 include/linux/atomic/atomic-instrumented.h:68 block/bio.c:279)
kern :warn : [ 327.656980] ? bio_alloc_bioset (block/bio.c:578)
kern :warn : [ 327.657721] bio_iov_iter_get_pages (block/bio.c:1446 (discriminator 3))
kern :warn : [ 327.658474] iomap_dio_bio_iter (fs/iomap/direct-io.c:388)
kern :warn : [ 327.659248] __iomap_dio_rw (fs/iomap/direct-io.c:501 fs/iomap/direct-io.c:660)
kern :warn : [ 327.659982] ? __pfx___iomap_dio_rw (fs/iomap/direct-io.c:544)
kern :warn : [ 327.660729] ? __pfx_ext4_dio_write_checks (fs/ext4/file.c:424)
kern :warn : [ 327.661518] ? __pfx_ext4_dio_write_end_io (fs/ext4/file.c:376)
kern :warn : [ 327.662299] ? iomap_dio_complete (fs/iomap/direct-io.c:133)
kern :warn : [ 327.663052] iomap_dio_rw (fs/iomap/direct-io.c:749)
kern :warn : [ 327.663723] ext4_dio_write_iter (fs/ext4/file.c:577)
kern :warn : [ 327.664439] ? __pfx_ext4_dio_write_iter (fs/ext4/file.c:499)
kern :warn : [ 327.665185] ? folio_unlock (arch/x86/include/asm/bitops.h:101 include/asm-generic/bitops/instrumented-lock.h:80 include/linux/page-flags.h:762 mm/filemap.c:1508)
kern :warn : [ 327.665838] ? do_wp_page (include/linux/vmstat.h:71 (discriminator 1) mm/memory.c:3193 (discriminator 1) mm/memory.c:3663 (discriminator 1))
kern :warn : [ 327.666494] ? __pfx___might_resched (kernel/sched/core.c:10151)
kern :warn : [ 327.667254] vfs_write (fs/read_write.c:497 fs/read_write.c:590)
kern :warn : [ 327.667915] ? __pfx___might_resched (kernel/sched/core.c:10151)
kern :warn : [ 327.668657] ? __pfx_vfs_write (fs/read_write.c:571)
kern :warn : [ 327.669342] ? __pfx___might_resched (kernel/sched/core.c:10151)
kern :warn : [ 327.670062] ? __pfx_put_timespec64 (kernel/time/time.c:904)
kern :warn : [ 327.670774] ksys_write (fs/read_write.c:643)
kern :warn : [ 327.671409] ? __pfx_ksys_write (fs/read_write.c:633)
kern :warn : [ 327.672129] ? __pfx___x64_sys_clock_gettime (kernel/time/posix-timers.c:1132)
kern :warn : [ 327.672939] ? fpregs_restore_userregs (arch/x86/include/asm/bitops.h:75 include/asm-generic/bitops/instrumented-atomic.h:42 include/linux/thread_info.h:94 arch/x86/kernel/fpu/context.h:79)
kern :warn : [ 327.673697] do_syscall_64 (arch/x86/entry/common.c:52 (discriminator 1) arch/x86/entry/common.c:83 (discriminator 1))
kern :warn : [ 327.674363] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
kern :warn : [ 327.675145] RIP: 0033:0x7fd4b2a24240
kern :warn : [ 327.675803] Code: 40 00 48 8b 15 c1 9b 0d 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 80 3d a1 23 0e 00 00 74 17 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 58 c3 0f 1f 80 00 00 00 00 48 83 ec 28 48 89
All code
========
0: 40 00 48 8b rex add %cl,-0x75(%rax)
4: 15 c1 9b 0d 00 adc $0xd9bc1,%eax
9: f7 d8 neg %eax
b: 64 89 02 mov %eax,%fs:(%rdx)
e: 48 c7 c0 ff ff ff ff mov $0xffffffffffffffff,%rax
15: eb b7 jmp 0xffffffffffffffce
17: 0f 1f 00 nopl (%rax)
1a: 80 3d a1 23 0e 00 00 cmpb $0x0,0xe23a1(%rip) # 0xe23c2
21: 74 17 je 0x3a
23: b8 01 00 00 00 mov $0x1,%eax
28: 0f 05 syscall
2a:* 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax <-- trapping instruction
30: 77 58 ja 0x8a
32: c3 ret
33: 0f 1f 80 00 00 00 00 nopl 0x0(%rax)
3a: 48 83 ec 28 sub $0x28,%rsp
3e: 48 rex.W
3f: 89 .byte 0x89
Code starting with the faulting instruction
===========================================
0: 48 3d 00 f0 ff ff cmp $0xfffffffffffff000,%rax
6: 77 58 ja 0x60
8: c3 ret
9: 0f 1f 80 00 00 00 00 nopl 0x0(%rax)
10: 48 83 ec 28 sub $0x28,%rsp
14: 48 rex.W
15: 89 .byte 0x89
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20240708/202407081641.6a640f9e-oliver.sang@xxxxxxxxx
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
