Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in __anon_vma_prepare / do_wp_page mm | 1 | 345d | 345d | 0/27 | auto-obsoleted due to no activity on 2023/11/02 18:12 |
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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in __anon_vma_prepare / do_wp_page mm | 1 | 345d | 345d | 0/27 | auto-obsoleted due to no activity on 2023/11/02 18:12 |
================================================================== BUG: KCSAN: data-race in __anon_vma_prepare / do_wp_page write to 0xffff88813aea4460 of 8 bytes by task 5835 on cpu 0: __anon_vma_prepare+0x147/0x2b0 mm/rmap.c:214 anon_vma_prepare include/linux/rmap.h:159 [inline] do_anonymous_page mm/memory.c:4169 [inline] do_pte_missing mm/memory.c:3728 [inline] handle_pte_fault mm/memory.c:5038 [inline] __handle_mm_fault mm/memory.c:5179 [inline] handle_mm_fault+0x224c/0x2dd0 mm/memory.c:5344 do_user_addr_fault arch/x86/mm/fault.c:1413 [inline] handle_page_fault arch/x86/mm/fault.c:1505 [inline] exc_page_fault+0x2f7/0x6c0 arch/x86/mm/fault.c:1561 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570 read to 0xffff88813aea4460 of 8 bytes by task 5838 on cpu 1: vmf_anon_prepare mm/memory.c:3065 [inline] wp_page_copy mm/memory.c:3109 [inline] do_wp_page+0x55b/0x1f40 mm/memory.c:3510 handle_pte_fault mm/memory.c:5054 [inline] __handle_mm_fault mm/memory.c:5179 [inline] handle_mm_fault+0xe5d/0x2dd0 mm/memory.c:5344 do_user_addr_fault arch/x86/mm/fault.c:1413 [inline] handle_page_fault arch/x86/mm/fault.c:1505 [inline] exc_page_fault+0x2f7/0x6c0 arch/x86/mm/fault.c:1561 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570 value changed: 0x0000000000000000 -> 0xffff8881339c3c30 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 5838 Comm: syz-executor.2 Not tainted 6.7.0-rc1-syzkaller-00019-gc42d9eeef8e5 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 ================================================================== loop2: detected capacity change from 0 to 512
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2023/11/15 09:55 | upstream | c42d9eeef8e5 | cb976f63 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in __anon_vma_prepare / do_wp_page |