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X-MS-Exchange-Transport-CrossTenantHeadersStamped: CYYPR11MB8360 X-OriginatorOrg: intel.com Hello, kernel test robot noticed "WARNING:at_fs/btrfs/extent_io.c:#release_extent_buffer[btrfs]" on: commit: 5e121ae687b8c16294230d69ea16a49a08d5e332 ("btrfs: use buffer xarray for extent buffer writeback operations") https://github.com/btrfs/linux.git pr/1157 [test failed on linux-next/master 8566fc3b96539e3235909d6bdda198e1282beaed] in testcase: blktests version: blktests-x86_64-236edfd-1_20250318 with following parameters: test: zbd-009 config: x86_64-rhel-9.4-func compiler: gcc-12 test machine: 192 threads 2 sockets Intel(R) Xeon(R) 6740E CPU @ 2.4GHz (Sierra Forest) 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 | Closes: https://lore.kernel.org/oe-lkp/202505191521.435b97ac-lkp@intel.com The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20250519/202505191521.435b97ac-lkp@intel.com kern :warn : [ 298.897265] ------------[ cut here ]------------ kern :warn : [ 298.899068] WARNING: CPU: 151 PID: 3403 at fs/btrfs/extent_io.c:3417 release_extent_buffer+0x163/0x1a0 [btrfs] kern :warn : [ 298.901741] Modules linked in: scsi_debug sd_mod sg null_blk dm_multipath intel_tpmi_power_domains intel_ifs i10nm_edac skx_edac_common nfit x86_pkg_temp_thermal coretemp btrfs kvm_intel blake2b_generic xor zstd_compress kvm raid6_pq irqbypass snd_pcm ghash_clmulni_intel sha512_ssse3 ast snd_timer cxl_pmem qat_4xxx sha256_ssse3 libnvdimm intel_qat intel_rapl_tpmi isst_tpmi intel_uncore_frequency_tpmi drm_client_lib snd sha1_ssse3 intel_rapl_common isst_tpmi_core intel_uncore_frequency_common nvme iaa_crypto ipmi_ssif drm_shmem_helper soundcore dax_hmem isst_if_mmio intel_cstate intel_uncore pcspkr cxl_acpi pmt_telemetry idxd intel_vsec_tpmi intel_sdsi nvme_core pmt_class cxl_port i2c_i801 drm_kms_helper spi_intel_pci crc8 isst_if_common intel_vsec authenc spi_intel i2c_smbus wmi idxd_bus acpi_ipmi cxl_core ipmi_si ipmi_devintf ipmi_msghandler einj joydev pfr_telemetry pfr_update binfmt_misc drm fuse loop dm_mod ip_tables [last unloaded: scsi_debug] kern :warn : [ 298.919759] CPU: 151 UID: 0 PID: 3403 Comm: umount Not tainted 6.15.0-rc6-00223-g5e121ae687b8 #1 PREEMPT(voluntary) kern :warn : [ 298.922215] RIP: 0010:release_extent_buffer+0x163/0x1a0 [btrfs] kern :warn : [ 298.924038] Code: 48 89 df e8 ff fd ff ff 48 8d 7b 38 48 c7 c6 00 2f f3 c3 e8 0f de 73 bd b8 01 00 00 00 48 83 c4 08 5b 5d 41 5c c3 cc cc cc cc <0f> 0b e9 ec fe ff ff 48 89 ef e8 3e c1 e7 bd e9 d4 fe ff ff e8 34 kern :warn : [ 298.928358] RSP: 0018:ffffc90019b67198 EFLAGS: 00010246 kern :warn : [ 298.929924] RAX: 0000000000000000 RBX: ffff8bb5656c2ac0 RCX: ffffffffc3f34471 kern :warn : [ 298.931812] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8bb5656c2aec kern :warn : [ 298.933695] RBP: ffff8bb5656c2aec R08: 0000000000000000 R09: ffffed76acad855d kern :warn : [ 298.935576] R10: ffff8bb5656c2aef R11: 0000000000000001 R12: 1ffff9200336ce39 kern :warn : [ 298.937453] R13: dffffc0000000000 R14: ffff8bb5656c2ad0 R15: ffffed76acad855a kern :warn : [ 298.939326] FS: 00007f2b2224d840(0000) GS:ffff8bb15adc2000(0000) knlGS:0000000000000000 kern :warn : [ 298.941372] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kern :warn : [ 298.943019] CR2: 00007f2b223cd400 CR3: 000003355cd4b005 CR4: 0000000000f72ef0 kern :warn : [ 298.944901] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 kern :warn : [ 298.946786] DR3: 0000000000000000 DR6: 00000000ffff07f0 DR7: 0000000000000400 kern :warn : [ 298.948660] PKRU: 55555554 kern :warn : [ 298.949793] Call Trace: kern :warn : [ 298.950874] kern :warn : [ 298.951888] free_extent_buffer+0x1e5/0x2a0 [btrfs] kern :warn : [ 298.953511] ? __pfx_free_extent_buffer+0x10/0x10 [btrfs] kern :warn : [ 298.955199] ? btrfs_check_meta_write_pointer+0x17b/0x4b0 [btrfs] kern :warn : [ 298.956965] btree_write_cache_pages+0x3e7/0x900 [btrfs] kern :warn : [ 298.958641] ? __pfx_btree_write_cache_pages+0x10/0x10 [btrfs] kern :warn : [ 298.960405] ? stack_trace_save+0x8f/0xc0 kern :warn : [ 298.961777] ? __pfx_stack_trace_save+0x10/0x10 kern :warn : [ 298.963194] ? stack_depot_save_flags+0x3d/0x610 kern :warn : [ 298.964637] do_writepages+0x171/0x770 kern :warn : [ 298.965941] ? kasan_save_track+0x10/0x30 kern :warn : [ 298.967272] ? __kasan_slab_free+0x33/0x40 kern :warn : [ 298.968623] ? __pfx_do_writepages+0x10/0x10 kern :warn : [ 298.969989] ? btrfs_write_and_wait_transaction+0xda/0x210 [btrfs] kern :warn : [ 298.971752] ? btrfs_commit_transaction+0x18de/0x29f0 [btrfs] kern :warn : [ 298.973433] ? sync_filesystem+0x16c/0x210 kern :warn : [ 298.974766] ? generic_shutdown_super+0x73/0x380 kern :warn : [ 298.976171] ? kill_anon_super+0x36/0x90 kern :warn : [ 298.977450] ? btrfs_kill_super+0x37/0x50 [btrfs] kern :warn : [ 298.978957] ? deactivate_locked_super+0xa1/0x190 kern :warn : [ 298.980368] ? _raw_spin_lock+0x80/0xe0 kern :warn : [ 298.981641] ? __pfx__raw_spin_lock+0x10/0x10 kern :warn : [ 298.982975] filemap_fdatawrite_wbc+0xd2/0x120 kern :warn : [ 298.984316] __filemap_fdatawrite_range+0xa3/0xe0 kern :warn : [ 298.985692] ? __pfx___filemap_fdatawrite_range+0x10/0x10 kern :warn : [ 298.987178] ? deactivate_locked_super+0xa1/0x190 kern :warn : [ 298.988537] btrfs_write_marked_extents+0xfa/0x240 [btrfs] kern :warn : [ 298.990140] ? __pfx_btrfs_write_marked_extents+0x10/0x10 [btrfs] kern :warn : [ 298.991802] ? _raw_spin_lock+0x80/0xe0 kern :warn : [ 298.992993] ? __pfx__raw_spin_lock+0x10/0x10 kern :warn : [ 298.994253] ? _raw_spin_lock+0x80/0xe0 kern :warn : [ 298.995427] btrfs_write_and_wait_transaction+0xda/0x210 [btrfs] kern :warn : [ 298.997041] ? __pfx_btrfs_write_and_wait_transaction+0x10/0x10 [btrfs] kern :warn : [ 298.998758] ? mutex_unlock+0x7e/0xd0 kern :warn : [ 298.999887] btrfs_commit_transaction+0x18de/0x29f0 [btrfs] kern :warn : [ 299.001417] ? start_transaction+0x219/0x16a0 [btrfs] kern :warn : [ 299.002862] ? __pfx_btrfs_commit_transaction+0x10/0x10 [btrfs] kern :warn : [ 299.004445] ? btrfs_attach_transaction_barrier+0x1e/0x80 [btrfs] kern :warn : [ 299.006057] sync_filesystem+0x16c/0x210 kern :warn : [ 299.007232] generic_shutdown_super+0x73/0x380 kern :warn : [ 299.008480] kill_anon_super+0x36/0x90 kern :warn : [ 299.009609] btrfs_kill_super+0x37/0x50 [btrfs] kern :warn : [ 299.010941] deactivate_locked_super+0xa1/0x190 kern :warn : [ 299.012185] cleanup_mnt+0x1e5/0x3e0 kern :warn : [ 299.013281] task_work_run+0x116/0x200 kern :warn : [ 299.014446] ? __pfx_task_work_run+0x10/0x10 kern :warn : [ 299.015643] ? __x64_sys_umount+0xff/0x120 kern :warn : [ 299.016814] ? __pfx___x64_sys_umount+0x10/0x10 kern :warn : [ 299.018058] syscall_exit_to_user_mode+0x1d2/0x1e0 kern :warn : [ 299.019348] do_syscall_64+0x85/0x160 kern :warn : [ 299.020462] ? __pfx___do_sys_newfstatat+0x10/0x10 kern :warn : [ 299.021746] ? syscall_exit_to_user_mode+0xc/0x1e0 kern :warn : [ 299.023020] ? do_syscall_64+0x85/0x160 kern :warn : [ 299.024160] ? __count_memcg_events+0x18d/0x470 kern :warn : [ 299.025390] ? syscall_exit_to_user_mode+0xc/0x1e0 kern :warn : [ 299.026664] ? do_syscall_64+0x85/0x160 kern :warn : [ 299.027788] ? handle_mm_fault+0x409/0x6e0 kern :warn : [ 299.028956] ? do_user_addr_fault+0x8f7/0xfb0 kern :warn : [ 299.030170] ? exc_page_fault+0x57/0xc0 kern :warn : [ 299.031291] entry_SYSCALL_64_after_hwframe+0x76/0x7e kern :warn : [ 299.032631] RIP: 0033:0x7f2b22479b37 kern :warn : [ 299.033713] Code: cf 92 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 8b 15 99 92 0c 00 f7 d8 64 89 02 b8 kern :warn : [ 299.037628] RSP: 002b:00007ffd8afea8f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 kern :warn : [ 299.039399] RAX: 0000000000000000 RBX: 000055dd9bf33318 RCX: 00007f2b22479b37 kern :warn : [ 299.041089] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000055dd9bf33430 kern :warn : [ 299.042788] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000073 kern :warn : [ 299.044487] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2b225b4264 kern :warn : [ 299.046183] R13: 000055dd9bf33430 R14: 0000000000000000 R15: 000055dd9bf33200 kern :warn : [ 299.047878] kern :warn : [ 299.048755] ---[ end trace 0000000000000000 ]--- -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki