WARNING: [!((((unsigned long) (((struct page *)((kernel_map.page_offset - ((((((1UL) << NUM) / sizeof(pgd_t)) / NUM * ((

Status: moderation: reported on 2026/07/04 08:21
Reported-by: syzbot+07c2137dfe8b0d7a8507@syzkaller.appspotmail.com
First crash: 53d, last: 28d
▶ ▼ ✨ AI Jobs (6)
ID Workflow Result Correct Bug Created Started Finished Revision
f1694de4 assessment-security 💥 WARNING: [!((((unsigned long) (((struct page *)((kernel_map.page_offset - ((((((1UL) << NUM) / sizeof(pgd_t)) / NUM * (( 2026/08/04 00:22 2026/08/04 00:22 2026/08/04 00:22 cb1adeae
7e5fe43a assessment-security 💥 WARNING: [!((((unsigned long) (((struct page *)((kernel_map.page_offset - ((((((1UL) << NUM) / sizeof(pgd_t)) / NUM * (( 2026/07/19 00:00 2026/07/19 00:00 2026/07/19 00:00 72524a66
7cd647fe assessment-security 💥 WARNING: [!((((unsigned long) (((struct page *)((kernel_map.page_offset - ((((((1UL) << NUM) / sizeof(pgd_t)) / NUM * (( 2026/07/10 00:01 2026/07/10 00:01 2026/07/10 00:01 6e8eff30
47b8946d assessment-security 💥 WARNING: [!((((unsigned long) (((struct page *)((kernel_map.page_offset - ((((((1UL) << NUM) / sizeof(pgd_t)) / NUM * (( 2026/07/06 00:00 2026/07/06 00:00 2026/07/06 00:00 93f57954
d59067c6 assessment-security 💥 WARNING: [!((((unsigned long) (((struct page *)((kernel_map.page_offset - ((((((1UL) << NUM) / sizeof(pgd_t)) / NUM * (( 2026/07/04 00:00 2026/07/04 00:00 2026/07/04 00:00 93f57954
bed7a6d5 assessment-security 💥 WARNING: [!((((unsigned long) (((struct page *)((kernel_map.page_offset - ((((((1UL) << NUM) / sizeof(pgd_t)) / NUM * (( 2026/07/02 00:00 2026/07/02 00:00 2026/07/02 00:00 93f57954

Sample crash report:
[    0.000000][    C0] WARNING: [!((((unsigned long) (((struct page *)((kernel_map.page_offset - ((((((1UL) << 12) / sizeof(pgd_t)) / 2 * ((1UL) << (pgtable_l5_enabled ? 48 : (pgtable_l4_enabled ? 39 : 30)))) / 2) >> 1)) - ((((1UL))) << (((pgtable_l5_enabled ? 57 : (pgtable_l4_enabled ? 48 : 39)) - 12 - 1 + (( __builtin_constant_p(sizeof(struct page)) ? ( ((sizeof(struct page)) == 0 || (sizeof(struct page)) == 1) ? 0 : ( __builtin_constant_p((sizeof(struct page)) - 1) ? (((sizeof(struct page)) - 1) < 2 ? 0 : 63 - __builtin_clzll((sizeof(struct page)) - 1)) : (sizeof((sizeof(struct page)) - 1) <= 4) ? __ilog2_u32((sizeof(struct page)) - 1) : __ilog2_u64((sizeof(struct page)) - 1) ) + 1) : __order_base_2(sizeof(struct page)) )))))) - vmemmap_start_pfn) + (0))) & ((typeof((unsigned long) (((struct page *)((kernel_map.page_offset - ((((((1UL) << 12) / sizeof(pgd_t)) / 2 * ((1UL) << (pgtable_l5_enabled ? 48 : (pgtable_l4_enabled ? 39 : 30)))) / 2) >> 1)) - ((((1UL))) << (((pgtable_l5_enabled ? 57 : (pgtable_l4_enabled ? 48 : 39)) - 1

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2026/07/25 14:39 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git for-next 76e885f2b89d 492bab15 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 WARNING: [!((((unsigned long) (((struct page *)((kernel_map.page_offset - ((((((1UL) << NUM) / sizeof(pgd_t)) / NUM * ((
2026/06/30 08:18 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git for-next 798246e5edfb fff8d0a0 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 WARNING: [!((((unsigned long) (((struct page *)((kernel_map.page_offset - ((((((1UL) << NUM) / sizeof(pgd_t)) / NUM * ((
* Struck through repros no longer work on HEAD.