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================================================================== BUG: KCSAN: data-race in kvm_mmu_notifier_invalidate_range_end / kvm_mmu_notifier_invalidate_range_end write to 0xffffc9000280a138 of 8 bytes by task 29809 on cpu 0: kvm_mmu_notifier_invalidate_range_end+0x67/0xb0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:419 __mmu_notifier_invalidate_range_end+0x144/0x1e0 mm/mmu_notifier.c:222 mmu_notifier_invalidate_range_only_end include/linux/mmu_notifier.h:384 [inline] wp_page_copy+0x1023/0x1120 mm/memory.c:2418 do_wp_page+0x192/0x11f0 mm/memory.c:2628 handle_pte_fault mm/memory.c:3865 [inline] __handle_mm_fault+0x1ab1/0x2c70 mm/memory.c:3973 handle_mm_fault+0x21b/0x530 mm/memory.c:4010 do_user_addr_fault arch/x86/mm/fault.c:1441 [inline] __do_page_fault+0x3fb/0x9e0 arch/x86/mm/fault.c:1506 do_page_fault+0x54/0x233 arch/x86/mm/fault.c:1530 page_fault+0x34/0x40 arch/x86/entry/entry_64.S:1202 read to 0xffffc9000280a138 of 8 bytes by task 29800 on cpu 1: kvm_mmu_notifier_invalidate_range_end+0x7b/0xb0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:422 __mmu_notifier_invalidate_range_end+0x144/0x1e0 mm/mmu_notifier.c:222 mmu_notifier_invalidate_range_only_end include/linux/mmu_notifier.h:384 [inline] wp_page_copy+0x1023/0x1120 mm/memory.c:2418 do_wp_page+0x192/0x11f0 mm/memory.c:2628 handle_pte_fault mm/memory.c:3865 [inline] __handle_mm_fault+0x1ab1/0x2c70 mm/memory.c:3973 handle_mm_fault+0x21b/0x530 mm/memory.c:4010 do_user_addr_fault arch/x86/mm/fault.c:1441 [inline] __do_page_fault+0x3fb/0x9e0 arch/x86/mm/fault.c:1506 do_page_fault+0x54/0x233 arch/x86/mm/fault.c:1530 page_fault+0x34/0x40 arch/x86/entry/entry_64.S:1202 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 29800 Comm: syz-executor.5 Not tainted 5.4.0-rc7+ #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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2019/11/12 09:37 | https://github.com/google/ktsan.git kcsan | 7f2955e0d056 | 048f2d49 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/11/11 21:34 | https://github.com/google/ktsan.git kcsan | 94c006602e13 | 377d77fa | .config | console log | report | ci2-upstream-kcsan-gce |