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charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: hfbFJV53YFazxx5dLpgVmROvkWCtGbJh X-Proofpoint-ORIG-GUID: hfbFJV53YFazxx5dLpgVmROvkWCtGbJh X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1051,Hydra:6.0.680,FMLib:17.12.62.30 definitions=2024-10-07_05,2024-10-07_01,2024-09-30_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 phishscore=0 suspectscore=0 bulkscore=0 mlxlogscore=581 spamscore=0 priorityscore=1501 mlxscore=0 lowpriorityscore=0 clxscore=1011 impostorscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2409260000 definitions=main-2410070098 Greetings!!! Observing Kfence errors, while running fsstress test on Power PC platform [ 6726.655519] ================================================================== [ 6726.655540] BUG: KFENCE: memory corruption in xfs_iext_remove+0x288/0x2c8 [xfs] [ 6726.655540] [ 6726.655746] Corrupted memory at 0x00000000b8747239 [ ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ] (in kfence-#97): [ 6726.655789]  xfs_iext_remove+0x288/0x2c8 [xfs] [ 6726.655970]  xfs_bmap_del_extent_real+0x34c/0x8ec [xfs] [ 6726.656159]  __xfs_bunmapi+0x538/0xb28 [xfs] [ 6726.656352]  xfs_bunmapi_range+0xbc/0x138 [xfs] [ 6726.656548]  xfs_itruncate_extents_flags+0x1bc/0x2f0 [xfs] [ 6726.656748]  xfs_inactive_truncate+0xec/0x134 [xfs] [ 6726.656890]  xfs_inactive+0x2fc/0x41c [xfs] [ 6726.657019]  xfs_inodegc_worker+0x134/0x240 [xfs] [ 6726.657129]  process_one_work+0x1fc/0x4dc [ 6726.657136]  worker_thread+0x340/0x504 [ 6726.657142]  kthread+0x138/0x140 [ 6726.657147]  start_kernel_thread+0x14/0x18 [ 6726.657152] [ 6726.657155] kfence-#97: 0x000000001b23b51e-0x0000000088873dcf, size=208, cache=kmalloc-256 [ 6726.657155] [ 6726.657162] allocated by task 187091 on cpu 4 at 6323.430277s (403.226884s ago): [ 6726.657170]  krealloc_noprof+0x18c/0x38c [ 6726.657176]  xfs_iext_insert_raw+0x3c8/0x434 [xfs] [ 6726.657265]  xfs_iext_insert+0x58/0xec [xfs] [ 6726.657354] xfs_bmap_add_extent_hole_delay.constprop.0+0x130/0x4c8 [xfs] [ 6726.657439]  xfs_bmapi_reserve_delalloc+0x234/0x4c8 [xfs] [ 6726.657525]  xfs_buffered_write_iomap_begin+0x490/0x9e4 [xfs] [ 6726.657619]  iomap_iter+0xf0/0x188 [ 6726.657624]  iomap_file_buffered_write+0xbc/0x11c [ 6726.657629]  xfs_file_buffered_write+0xbc/0x388 [xfs] [ 6726.657722]  vfs_write+0x38c/0x488 [ 6726.657727]  ksys_write+0x84/0x140 [ 6726.657732]  system_call_exception+0x138/0x330 [ 6726.657738]  system_call_vectored_common+0x15c/0x2ec [ 6726.657745] [ 6726.657747] freed by task 192236 on cpu 0 at 6726.655507s (0.002239s ago): [ 6726.657755]  xfs_iext_remove+0x288/0x2c8 [xfs] [ 6726.657844]  xfs_bmap_del_extent_real+0x34c/0x8ec [xfs] [ 6726.657929]  __xfs_bunmapi+0x538/0xb28 [xfs] [ 6726.658013]  xfs_bunmapi_range+0xbc/0x138 [xfs] [ 6726.658097]  xfs_itruncate_extents_flags+0x1bc/0x2f0 [xfs] [ 6726.658187]  xfs_inactive_truncate+0xec/0x134 [xfs] [ 6726.658278]  xfs_inactive+0x2fc/0x41c [xfs] [ 6726.658368]  xfs_inodegc_worker+0x134/0x240 [xfs] [ 6726.658458]  process_one_work+0x1fc/0x4dc [ 6726.658464]  worker_thread+0x340/0x504 [ 6726.658470]  kthread+0x138/0x140 [ 6726.658475]  start_kernel_thread+0x14/0x18 [ 6726.658479] [ 6726.658483] CPU: 0 UID: 0 PID: 192236 Comm: kworker/0:2 Kdump: loaded Tainted: G    B              6.12.0-rc1-next-20241004-auto #1 [ 6726.658492] Tainted: [B]=BAD_PAGE [ 6726.658495] Hardware name: IBM,9009-42A POWER9 (architected) 0x4e0202 0xf000005 of:IBM,FW950.A0 (VL950_141) hv:phyp pSeries [ 6726.658501] Workqueue: xfs-inodegc/sda3 xfs_inodegc_worker [xfs] [ 6726.658593] ================================================================== Regards, Venkat.