* [moderation/CI] Re: mshv: enable kexec with Hyper-V donated pages and partitions
@ 2026-05-28 6:00 syzbot ci
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From: syzbot ci @ 2026-05-28 6:00 UTC (permalink / raw)
To: syzkaller-upstream-moderation; +Cc: syzbot
syzbot ci has tested the following series
[v1] mshv: enable kexec with Hyper-V donated pages and partitions
https://lore.kernel.org/all/20260528004204.1484584-1-jloeser@linux.microsoft.com
* [RFC PATCH 01/20] kho: generalize radix tree APIs
* [RFC PATCH 02/20] kho: store incoming radix tree in kho_in
* [RFC PATCH 03/20] kho: add a struct for radix callbacks
* [RFC PATCH 04/20] kho: add callback for table pages
* [RFC PATCH 05/20] kho: add data argument to radix walk callback
* [RFC PATCH 06/20] kho: allow early-boot usage of the KHO radix tree
* [RFC PATCH 07/20] kho: allow destroying KHO radix tree
* [RFC PATCH 08/20] kho: add kho_radix_init_tree()
* [RFC PATCH 09/20] memblock: introduce MEMBLOCK_KHO_SCRATCH_EXT
* [RFC PATCH 10/20] kho: extended scratch
* [RFC PATCH 11/20] kho: return virtual address of mem_map
* [RFC PATCH 12/20] mm/hugetlb: make bootmem allocation work with KHO
* [RFC PATCH 13/20] kho: add radix tree freeze and del_key() error reporting
* [RFC PATCH 14/20] kho: Add crash-kernel-safe radix tree presence check
* [RFC PATCH 15/20] mshv: Use page tracker to manage MSHV-owned pages and preserve with KHO
* [RFC PATCH 16/20] mshv: Add debugfs interface to page tracker
* [RFC PATCH 17/20] hyperv: Reserve crash MSR P2 for page preservation root PA
* [RFC PATCH 18/20] mshv: Exclude Hyper-V donated pages from crash dump collection
* [RFC PATCH 19/20] kexec: export kexec_in_progress for modules
* [RFC PATCH 20/20] mshv: freeze and vacuum partitions across kexec
and found the following issue:
kernel build error
Full report is available here:
https://ci.syzbot.org/series/3ae14a59-1f75-49c7-b968-ba5197b42ec3
***
kernel build error
tree: linux-next
URL: https://kernel.googlesource.com/pub/scm/linux/kernel/git/next/linux-next
base: e7d700e14934e68f86338c5610cf2ae76798b663
arch: amd64
compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
config: https://ci.syzbot.org/builds/90866729-fbd8-4e80-afc5-b8813f0533fa/config
mm/mm_init.c:2705:2: error: call to undeclared function 'kho_extend_scratch'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
***
If these findings have caused you to resend the series or submit a
separate fix, please add the following tag to your commit message:
Tested-by: syzbot@syzkaller.appspotmail.com
---
This report is generated by a bot. It may contain errors.
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To test a patch for this bug, please reply with `#syz test`
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2026-05-28 6:00 [moderation/CI] Re: mshv: enable kexec with Hyper-V donated pages and partitions syzbot ci
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