syzbot


BUG: unable to handle kernel paging request in alloc_huge_page
Status: upstream: reported C repro on 2021/08/14 11:07
Reported-by: syzbot+57876cfc2dca0c6b2e6a@syzkaller.appspotmail.com
Fix commit: mm/hugetlb: Initialize page to NULL in alloc_buddy_huge_page_with_mpol()
Patched on: [ci-upstream-linux-next-kasan-gce-root], missing on: [ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm32 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte ci-qemu2-riscv64 ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce ci-upstream-gce-leak ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386 ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-kcsan-gce ci2-upstream-usb]
First crash: 118d, last: 115d

Cause bisection: introduced by (bisect log) [no-op commit]:
commit efc52308c6a51125138c0034b3c7c24acbdd4173
Author: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Tue Mar 30 16:24:15 2021 +0000

  drm/i915: Split out glk_plane_min_cdclk()

Crash: WARNING in kvm_wait (log)
Repro: C syz .config

Sample crash report:

Crashes (491):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-linux-next-kasan-gce-root 2021/08/10 20:32 linux-next 92d00774360d 6972b106 .config log report syz C BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/10 20:15 linux-next 92d00774360d 6972b106 .config log report syz C BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/13 10:37 linux-next 9b992972fb9c 3fd2ea69 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/13 08:30 linux-next 9b992972fb9c 3fd2ea69 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/13 06:28 linux-next 9b992972fb9c 3fd2ea69 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/13 06:01 linux-next 9b992972fb9c 3fd2ea69 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/13 04:44 linux-next 9b992972fb9c 3fd2ea69 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/13 03:16 linux-next 9b992972fb9c 3fd2ea69 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/13 02:50 linux-next 9b992972fb9c 3fd2ea69 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/13 01:22 linux-next 9b992972fb9c 3fd2ea69 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/13 00:21 linux-next 9b992972fb9c 3fd2ea69 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/12 23:12 linux-next 9b992972fb9c 3fd2ea69 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/12 22:10 linux-next 9b992972fb9c 3fd2ea69 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/12 21:47 linux-next 9b992972fb9c 3fd2ea69 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/12 20:39 linux-next 9b992972fb9c 3fd2ea69 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/12 19:33 linux-next 9b992972fb9c 6972b106 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/12 18:24 linux-next 9b992972fb9c 6972b106 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/12 15:56 linux-next 9b992972fb9c 6972b106 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/12 14:56 linux-next 9b992972fb9c 6972b106 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/12 13:50 linux-next 9b992972fb9c 6972b106 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/12 12:48 linux-next 9b992972fb9c 6972b106 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/12 12:41 linux-next 9b992972fb9c 6972b106 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/12 11:40 linux-next 9b992972fb9c 6972b106 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/12 10:09 linux-next 8ca403f3e7a2 6972b106 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/12 08:44 linux-next 8ca403f3e7a2 6972b106 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/12 07:36 linux-next 8ca403f3e7a2 6972b106 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/12 04:57 linux-next 8ca403f3e7a2 6972b106 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/12 02:40 linux-next 8ca403f3e7a2 6972b106 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/12 00:35 linux-next 8ca403f3e7a2 6972b106 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/12 00:28 linux-next 8ca403f3e7a2 6972b106 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/11 23:26 linux-next 8ca403f3e7a2 6972b106 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/11 22:22 linux-next 8ca403f3e7a2 6972b106 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/11 21:16 linux-next 8ca403f3e7a2 6972b106 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/11 20:06 linux-next 8ca403f3e7a2 6972b106 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/11 19:06 linux-next 8ca403f3e7a2 6972b106 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/11 17:53 linux-next 8ca403f3e7a2 6972b106 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/11 17:47 linux-next 8ca403f3e7a2 6972b106 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/11 16:45 linux-next 8ca403f3e7a2 6972b106 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/11 15:45 linux-next 92d00774360d 6972b106 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/11 14:26 linux-next 92d00774360d 6972b106 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/11 13:25 linux-next 92d00774360d 6972b106 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/11 12:21 linux-next 92d00774360d 6972b106 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/11 11:17 linux-next 92d00774360d 6972b106 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/11 10:30 linux-next 92d00774360d 6972b106 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/11 09:22 linux-next 92d00774360d 6972b106 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/11 07:31 linux-next 92d00774360d 6972b106 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page
ci-upstream-linux-next-kasan-gce-root 2021/08/10 10:58 linux-next 92d00774360d 6972b106 .config log report info BUG: unable to handle kernel paging request in alloc_huge_page