[LTP] [PATCH v4 1/2] block: add folio awareness instead of looping through pages

kernel test robot oliver.sang@intel.com
Tue Jun 11 15:50:24 CEST 2024



Hello,

kernel test robot noticed "WARNING:at_lib/iov_iter.c:#iov_iter_revert" on:

commit: d245fbe9b4ca466a625094e538ce363e4dbfde94 ("[PATCH v4 1/2] block: add folio awareness instead of looping through pages")
url: https://github.com/intel-lab-lkp/linux/commits/Kundan-Kumar/block-add-folio-awareness-instead-of-looping-through-pages/20240605-182718
base: https://git.kernel.org/cgit/linux/kernel/git/axboe/linux-block.git for-next
patch link: https://lore.kernel.org/all/20240605092455.20435-2-kundan.kumar@samsung.com/
patch subject: [PATCH v4 1/2] block: add folio awareness instead of looping through pages

in testcase: ltp
version: ltp-x86_64-14c1f76-1_20240608
with following parameters:

	test: lvm.local-00



compiler: gcc-13
test machine: 8 threads 1 sockets Intel(R) Core(TM) i7-7700 CPU @ 3.60GHz (Kaby Lake) with 32G 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@intel.com>
| Closes: https://lore.kernel.org/oe-lkp/202406111633.69b1950e-lkp@intel.com



The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20240611/202406111633.69b1950e-lkp@intel.com


[  130.031598][ T3261] ------------[ cut here ]------------
[  130.037219][ T3261] WARNING: CPU: 3 PID: 3261 at lib/iov_iter.c:552 iov_iter_revert+0x1e7/0x250
[  130.045995][ T3261] Modules linked in: vfat fat xfs ext2 btrfs blake2b_generic xor zstd_compress raid6_pq libcrc32c intel_rapl_msr intel_rapl_common x86_pkg_temp_thermal sd_mod intel_powerclamp t10_pi coretemp crc64_rocksoft_generic crc64_rocksoft crc64 kvm_intel sg ipmi_devintf ipmi_msghandler i915 kvm crct10dif_pclmul drm_buddy crc32_pclmul intel_gtt crc32c_intel ghash_clmulni_intel drm_display_helper sha512_ssse3 mei_wdt ttm rapl drm_kms_helper wmi_bmof ahci mei_me libahci video intel_cstate i2c_designware_platform i2c_designware_core intel_uncore idma64 i2c_i801 libata mei i2c_smbus pinctrl_sunrisepoint wmi acpi_pad binfmt_misc fuse loop drm dm_mod ip_tables
[  130.104614][ T3261] CPU: 3 PID: 3261 Comm: pvcreate Tainted: G S                 6.10.0-rc1-00017-gd245fbe9b4ca #1
[  130.114995][ T3261] Hardware name: Dell Inc. OptiPlex 7050/062KRH, BIOS 1.2.0 12/22/2016
[  130.123127][ T3261] RIP: 0010:iov_iter_revert+0x1e7/0x250
[  130.128576][ T3261] Code: 48 89 f8 48 c1 e8 03 42 0f b6 04 30 84 c0 74 04 3c 03 7e 31 8b 45 08 49 83 c4 01 4d 89 65 20 48 39 d8 72 d1 49 89 6d 10 eb 89 <0f> 0b eb 8c 4c 89 ef e8 ed 5b 6a ff e9 74 fe ff ff e8 73 5c 6a ff
[  130.148044][ T3261] RSP: 0018:ffffc90000f4f8e8 EFLAGS: 00010286
[  130.154025][ T3261] RAX: 0000000000000000 RBX: fffffffffffff200 RCX: 1ffff1103df41cfd
[  130.161898][ T3261] RDX: 1ffff1103df41d04 RSI: fffffffffffff200 RDI: ffffc90000f4fbf0
[  130.169767][ T3261] RBP: 0000000000000002 R08: 0000000000099000 R09: 0000000000001200
[  130.177636][ T3261] R10: 0000000000000002 R11: ffffea000f6a0000 R12: dffffc0000000000
[  130.185502][ T3261] R13: ffff8881efa0e7c0 R14: ffffc90000f4fbf0 R15: fffffffffffff200
[  130.193371][ T3261] FS:  00007fc2df84fd40(0000) GS:ffff88876c180000(0000) knlGS:0000000000000000
[  130.202190][ T3261] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  130.208672][ T3261] CR2: 000055bf19c62500 CR3: 0000000807f5c001 CR4: 00000000003706f0
[  130.216537][ T3261] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  130.224413][ T3261] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  130.232292][ T3261] Call Trace:
[  130.235486][ T3261]  <TASK>
[  130.238335][ T3261]  ? __warn+0xcc/0x260
[  130.242311][ T3261]  ? iov_iter_revert+0x1e7/0x250
[  130.247138][ T3261]  ? report_bug+0x261/0x2c0
[  130.251500][ T3261]  ? handle_bug+0x6d/0x90
[  130.255683][ T3261]  ? exc_invalid_op+0x17/0x40
[  130.260210][ T3261]  ? asm_exc_invalid_op+0x1a/0x20
[  130.265085][ T3261]  ? iov_iter_revert+0x1e7/0x250
[  130.269887][ T3261]  __bio_iov_iter_get_pages+0x868/0xcb0
[  130.275282][ T3261]  ? bio_associate_blkg_from_css+0x2f5/0xbb0
[  130.281111][ T3261]  ? __pfx___bio_iov_iter_get_pages+0x10/0x10
[  130.287021][ T3261]  ? bio_init+0x34a/0x5c0
[  130.291199][ T3261]  ? bio_alloc_bioset+0x28f/0x950
[  130.296073][ T3261]  bio_iov_iter_get_pages+0xb6/0x470
[  130.301205][ T3261]  __blkdev_direct_IO_async+0x3be/0x7f0
[  130.306597][ T3261]  ? blkdev_direct_IO+0x1d7/0x310
[  130.311467][ T3261]  blkdev_write_iter+0x5cd/0xac0
[  130.316254][ T3261]  aio_write+0x344/0x730
[  130.320346][ T3261]  ? __pfx_aio_write+0x10/0x10
[  130.324961][ T3261]  ? _raw_spin_lock_irqsave+0x8b/0xf0
[  130.330182][ T3261]  ? io_submit_one+0x213/0x9a0
[  130.334794][ T3261]  io_submit_one+0x213/0x9a0
[  130.339231][ T3261]  ? __pfx_io_submit_one+0x10/0x10
[  130.344190][ T3261]  ? __pfx___might_resched+0x10/0x10
[  130.349319][ T3261]  __x64_sys_io_submit+0x167/0x380
[  130.354279][ T3261]  ? __pfx___x64_sys_io_submit+0x10/0x10
[  130.359762][ T3261]  ? fpregs_restore_userregs+0xe3/0x1f0
[  130.365153][ T3261]  do_syscall_64+0x5f/0x170
[  130.369506][ T3261]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
[  130.375243][ T3261] RIP: 0033:0x7fc2dfd41719
[  130.379508][ T3261] Code: 08 89 e8 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d b7 06 0d 00 f7 d8 64 89 01 48
[  130.398931][ T3261] RSP: 002b:00007ffc819ab548 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1
[  130.407175][ T3261] RAX: ffffffffffffffda RBX: 00007fc2df84fb10 RCX: 00007fc2dfd41719
[  130.414988][ T3261] RDX: 00007ffc819ab5f0 RSI: 0000000000000001 RDI: 00007fc2e00cf000
[  130.422803][ T3261] RBP: 00007fc2e00cf000 R08: 00007ffc819ab490 R09: 0000000000000008
[  130.430616][ T3261] R10: 000055bf19955608 R11: 0000000000000246 R12: 0000000000000001
[  130.438425][ T3261] R13: 0000000000000002 R14: 00007ffc819ab5f0 R15: 00007fc2e010e020
[  130.446238][ T3261]  </TASK>
[  130.449114][ T3261] ---[ end trace 0000000000000000 ]---
[  130.455322][ T3261] ------------[ cut here ]------------
[  130.460954][ T3261] WARNING: CPU: 7 PID: 3261 at lib/iov_iter.c:552 iov_iter_revert+0x1e7/0x250

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki



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