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================================================================== BUG: KCSAN: data-race in kvm_mmu_notifier_invalidate_range_end / kvm_mmu_notifier_invalidate_range_end write to 0xffffc900034b9160 of 8 bytes by task 18680 on cpu 1: kvm_mmu_notifier_invalidate_range_end+0x63/0xb0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:448 mn_hlist_invalidate_end mm/mmu_notifier.c:560 [inline] __mmu_notifier_invalidate_range_end+0x19e/0x250 mm/mmu_notifier.c:580 mmu_notifier_invalidate_range_only_end include/linux/mmu_notifier.h:479 [inline] wp_page_copy+0xe2a/0x1050 mm/memory.c:2766 do_wp_page+0x224/0xca0 mm/memory.c:2982 handle_pte_fault mm/memory.c:4231 [inline] __handle_mm_fault+0x2d96/0x2da0 mm/memory.c:4345 handle_mm_fault+0x21c/0x540 mm/memory.c:4382 do_user_addr_fault arch/x86/mm/fault.c:1464 [inline] do_page_fault+0x48a/0xa96 arch/x86/mm/fault.c:1535 page_fault+0x34/0x40 arch/x86/entry/entry_64.S:1203 read to 0xffffc900034b9160 of 8 bytes by task 18678 on cpu 0: kvm_mmu_notifier_invalidate_range_end+0x77/0xb0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:451 mn_hlist_invalidate_end mm/mmu_notifier.c:560 [inline] __mmu_notifier_invalidate_range_end+0x19e/0x250 mm/mmu_notifier.c:580 mmu_notifier_invalidate_range_only_end include/linux/mmu_notifier.h:479 [inline] wp_page_copy+0xe2a/0x1050 mm/memory.c:2766 do_wp_page+0x224/0xca0 mm/memory.c:2982 handle_pte_fault mm/memory.c:4231 [inline] __handle_mm_fault+0x2d96/0x2da0 mm/memory.c:4345 handle_mm_fault+0x21c/0x540 mm/memory.c:4382 do_user_addr_fault arch/x86/mm/fault.c:1464 [inline] do_page_fault+0x48a/0xa96 arch/x86/mm/fault.c:1535 page_fault+0x34/0x40 arch/x86/entry/entry_64.S:1203 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 18678 Comm: syz-executor.2 Not tainted 5.7.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020/06/02 06:20 | https://github.com/google/ktsan.git kcsan | 7c3cd68e5d38 | a0331e89 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
| 2020/05/18 04:11 | https://github.com/google/ktsan.git kcsan | 7c3cd68e5d38 | 37bccd4e | .config | console log | report | ci2-upstream-kcsan-gce | |||||
| 2020/05/03 16:56 | https://github.com/google/ktsan.git kcsan | 7c3cd68e5d38 | 58ae5e18 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
| 2020/04/23 15:52 | https://github.com/google/ktsan.git kcsan | 7c3cd68e5d38 | b9233cab | .config | console log | report | ci2-upstream-kcsan-gce | |||||
| 2020/04/08 04:30 | https://github.com/google/ktsan.git kcsan | 40959e34d670 | db9bcd4b | .config | console log | report | ci2-upstream-kcsan-gce | |||||
| 2020/03/30 17:25 | https://github.com/google/ktsan.git kcsan | 40959e34d670 | c8d1cc20 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
| 2020/03/28 12:26 | https://github.com/google/ktsan.git kcsan | 40959e34d670 | f1ebdfba | .config | console log | report | ci2-upstream-kcsan-gce | |||||
| 2020/01/27 04:25 | https://github.com/google/ktsan.git kcsan | 245a43005292 | dd56146d | .config | console log | report | ci2-upstream-kcsan-gce |