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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?4o9GjjSbxYNQDl12BsolBAYh4ivfVmvR+yaOXHoLHWcO+Hq3UPqpdph+IRAN?= =?us-ascii?Q?aN9p6b0fcd15LThRnUcyR4aKjXFbO/uAqDFCJ0kqpSM3qvp+MR5SouH+yV5w?= =?us-ascii?Q?l2vPdigjayKm7q/+bPz5JYUyQPQxgB+C5qc3ucagan9jS1sJJpBsX/RuNzdZ?= =?us-ascii?Q?VYV7J0baC2/5sy9CEsmXc5JXUkGNqLDc9/sssdqUfheD3nE73vFo7iPY+wb5?= =?us-ascii?Q?39rwFY7foBMCPxbWEPTNtSH3u6jaBV81LWkTfRfs9Dc2Z85Ka8gmJx9vfvwW?= =?us-ascii?Q?VuVSRJK0Z00bdJEGpTbO5fvU1sp46HWay8rxmGGWmCORIderaP7UN94vMC0A?= =?us-ascii?Q?mV9/rdUTFpSFdaw3I4Dlr1zEmbWH2k8ZkS1nh5dTpikD+59jKRHpClo+GChD?= =?us-ascii?Q?SY0m2SUGtWDxTzuUKzf7m54xkRf7wX/ZmRCIJeI+BGIRvMW0KiD3LMsKnq3W?= =?us-ascii?Q?Fb+fyib29PuPIqSrFsli6bFg/Ys4Ater6UJ7PGsEsxHPKXE5TJ8VjYIzQcRS?= =?us-ascii?Q?gciE6eDG+x3b086p3Eje0/HHIifo1NgdMbRwfNZSHccYYomTc3sJLQlCqT9F?= =?us-ascii?Q?pK80SYj6j5UUNo9MBGY0EnOd6BIUwNTNNc5nfl29jPWI/uQOPbn3UoBSnPI3?= =?us-ascii?Q?gvjlVHqSXaRgralJoSCayGU8UFk07FEETxAaC5PKOFBS6tDUcANEdJ9yfk/z?= =?us-ascii?Q?4/Ue6hVU+q3XZ8D+zCQSLINye5h57atFRM9CPgM2guFnaTkLZlBxRn8x+Uq/?= =?us-ascii?Q?stpFhNN7ufaVGWpl9pE+wvUaMmJn7S3JoCXdbsO5Vsf1araAGVXFALCCgnmy?= =?us-ascii?Q?KRWpEGGeRouQ7aPmmP+cL+neHpbOr/eIA1mAw/2ucRl3dhSFhCXltpC2cplh?= =?us-ascii?Q?7fmDRWC1vv57q7FpOXhoybxmGuVr/8UG2wycZNH/ZrP0OPI9RC8lL0d88NAW?= =?us-ascii?Q?DaJYTWiIRYaCvVRv0FDLgO5QFCZVI6sCN//n0nc+e9tK4sEQAU/ggnvKu5ax?= =?us-ascii?Q?Io2dWDMvYXMm3Ae/nm5MRgs7N9NjvVbGe+AIsbM1Sx6EprNG4AMEgC0q2PQr?= =?us-ascii?Q?e91ofZqCvI05sGtAq/Ai8OzznlbxTVGrxiVbAu5XYcFTgN/9WPYYpJ01JSWK?= =?us-ascii?Q?w2mYVcUlqo8z4nvERhvvaRFQxcIjMlyFPlV90NZTlv/YERGwOkYP604ZR+WA?= =?us-ascii?Q?ab7H1PN6U9QZAEFDUSGFkepihs9GGfN6KNHEAIrs8UZscQCTMXY6pvmowdQk?= =?us-ascii?Q?R6njxfSvFQZYYroDP5jgkJFp4AjxQ+lryF4ctU9Y689XFd0leKMude1MRFJ2?= =?us-ascii?Q?9gDj1sIIZPMfUCo/J4NUQiWlUP3fzEjXp6Uzq8G8oceyyNrCcqZwKP3sGal8?= =?us-ascii?Q?WYoeaONzTrXOrBBT0Q0rLMHMeEDqHe0ZZa6tHzXf209qhWEfshLAEiMv+hLK?= =?us-ascii?Q?103puivckWgFlbHpxBcrPBI0EalPv/vC8FTZW8yM74ox3CKC9pCqaYvhoLw7?= =?us-ascii?Q?g2ZdXhFw9qWpxY6Hk/lvegHxsHRyYD4dyMVsnc3JMjZGVd+/P+jAlSivGxVZ?= =?us-ascii?Q?zlGj/Vt6EkK+t/k2YfYcpgYM5/oGjZCsXm7RmVuj?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: e2241c03-da2d-4039-8360-08dd4d2965e5 X-MS-Exchange-CrossTenant-AuthSource: DS7PR12MB9473.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 14 Feb 2025 18:57:15.6173 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 5L89bFvUpc4R5NQ4txwaHWGoDLydux+2rrnTvbzyUREdxPVz0eWq7jPjSPmuRIOA X-MS-Exchange-Transport-CrossTenantHeadersStamped: SN7PR12MB7321 On 14 Feb 2025, at 10:48, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: df5d6180169a Add linux-next specific files for 20250210= > git tree: linux-next > console+strace: https://syzkaller.appspot.com/x/log.txt?x=3D16d343f8580= 000 > kernel config: https://syzkaller.appspot.com/x/.config?x=3D2cd616b6e73= 6ca7 > dashboard link: https://syzkaller.appspot.com/bug?extid=3D012c6245eaea0= e23f7f9 > compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for D= ebian) 2.40 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=3D138972a45= 80000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=3D11737b18580= 000 > > Downloadable assets: > disk image: https://storage.googleapis.com/syzbot-assets/92495cf20271/d= isk-df5d6180.raw.xz > vmlinux: https://storage.googleapis.com/syzbot-assets/4b3656161842/vmli= nux-df5d6180.xz > kernel image: https://storage.googleapis.com/syzbot-assets/7fbc4e7a0f5d= /bzImage-df5d6180.xz > > The issue was bisected to: > > commit 19c067c8a0f18b62d4a4235b0b327624c86f2e40 > Author: Zi Yan > Date: Wed Feb 5 03:14:13 2025 +0000 > > mm/huge_memory: add buddy allocator like folio_split() > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=3D102f9bdf= 980000 > final oops: https://syzkaller.appspot.com/x/report.txt?x=3D122f9bdf= 980000 > console output: https://syzkaller.appspot.com/x/log.txt?x=3D142f9bdf980= 000 I have reproduced it locally and am working on a fix. Thanks for the repo= rting. Best Regards, Yan, Zi