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X-MS-Exchange-CrossTenant-Id: 4e2c6054-71cb-48f1-bd6c-3a9705aca71b X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 2+d2BWgBFtx8wTN3Kc5JZ6b5S0YKfUPMxbiCzkb2jSRDi7Ak/EqeBKYKMN+QhF2s11AfgTRym9FKh3pi2Z4DvNmYRbmZ3217J0/6JxCvb6I= X-MS-Exchange-Transport-CrossTenantHeadersStamped: BLAPR10MB4963 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-01-29_14,2024-01-29_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 malwarescore=0 bulkscore=0 spamscore=0 phishscore=0 adultscore=0 mlxlogscore=817 suspectscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2401290157 X-Proofpoint-ORIG-GUID: p2FyNYHdqED_ooO59S8o2d3i4oEG-vZ9 X-Proofpoint-GUID: p2FyNYHdqED_ooO59S8o2d3i4oEG-vZ9 On 1/29/24 12:29PM, Matthew Wilcox wrote: > On Mon, Jan 29, 2024 at 09:00:56AM -0600, Dave Kleikamp wrote: >> On 1/29/24 8:55AM, Matthew Wilcox wrote: >>> On Mon, Jan 29, 2024 at 08:39:18AM -0600, Dave Kleikamp wrote: >>>> On 1/28/24 2:49PM, Matthew Wilcox wrote: >>>>> On Wed, Oct 11, 2023 at 08:09:37PM +0530, Manas Ghandat wrote: >>>>>> Currently while joining the leaf in a buddy system there is shift out >>>>>> of bound error in calculation of BUDSIZE. Added the required check >>>>>> to the BUDSIZE and fixed the documentation as well. >>>>> >>>>> This patch causes xfstests to fail frequently. The one this trace is >>>>> from was generic/074. >>>> >>>> Thanks for catching this. The sanity test is not right, so we need to revert >>>> that one. >>> >>> Unfortunately, my overnight test run with this patch reverted crashed >>> again with the same signature. I also reverted the parent commit, >>> and when that crashed I also reverted the parent of that. Which also >>> crashed. >>> >>> So maybe there's something else that makes this unstable. Or maybe my >>> bisect went wrong. Or _something_. Anyway, I'm going to spend much of >>> today hammering on generic/074 with various kernel versions and see what >>> I can deduce. >>> >>> So far I see no evidence that v6.7 crashes with g/074. And I know that >>> next-20240125 does crash with g/074. I'm pretty sure that v6.8-rc1 also >>> crashes with g/074, but will confirm that. >> >> I'll try to beat on it too and see what I find. >> >> Sasha, maybe hold up on to all the jfs patches for the time being. > > I have it reproducing easily on cca974daeb6c. I ran it a lot on > e0e1958f4c36 and have not reproduced it. So I'm going back to my > earlier assertion that cca974daeb6c is bad. Now, maybe other commits > are also bad? I was able to reproduce it too, but not after reverting that one. I believe it is the only one causing problems. I only asked Sasha to hold the other ones as a precaution until we were more confident that this one was the problem. Shaggy