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🐞 Open [963] 🐞 Fixed [3805] 🐞 Invalid [8174] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in munlock_vma_pages_range / try_to_unmap_one (6) | 2 | 490d | 513d | 0/22 | auto-closed as invalid on 2021/02/24 23:17 | |||
upstream | KCSAN: data-race in munlock_vma_pages_range / try_to_unmap_one (4) | 2 | 615d | 631d | 0/22 | auto-closed as invalid on 2020/10/22 10:22 | |||
upstream | KCSAN: data-race in munlock_vma_pages_range / try_to_unmap_one (3) | 2 | 675d | 694d | 0/22 | auto-closed as invalid on 2020/08/23 10:47 | |||
upstream | KCSAN: data-race in munlock_vma_pages_range / try_to_unmap_one (5) | 1 | 578d | 578d | 0/22 | auto-closed as invalid on 2020/11/28 11:46 | |||
upstream | KCSAN: data-race in munlock_vma_pages_range / try_to_unmap_one (7) | 3 | 372d | 387d | 0/22 | auto-closed as invalid on 2021/06/22 19:33 | |||
upstream | KCSAN: data-race in munlock_vma_pages_range / try_to_unmap_one (2) | 1 | 791d | 791d | 0/22 | auto-closed as invalid on 2020/06/03 05:11 |
================================================================== BUG: KCSAN: data-race in munlock_vma_pages_range / try_to_unmap_one write to 0xffff8880a7afe500 of 8 bytes by task 18773 on cpu 1: munlock_vma_pages_range+0x59/0x790 mm/mlock.c:448 munlock_vma_pages_all mm/internal.h:306 [inline] exit_mmap+0x24f/0x300 mm/mmap.c:3124 __mmput kernel/fork.c:1082 [inline] mmput+0xea/0x280 kernel/fork.c:1103 exit_mm kernel/exit.c:485 [inline] do_exit+0x4ac/0x18c0 kernel/exit.c:784 do_group_exit+0xb4/0x1c0 kernel/exit.c:895 get_signal+0x2a2/0x1320 kernel/signal.c:2734 do_signal+0x2f/0x6c0 arch/x86/kernel/signal.c:815 exit_to_usermode_loop+0x250/0x2c0 arch/x86/entry/common.c:160 prepare_exit_to_usermode arch/x86/entry/common.c:195 [inline] syscall_return_slowpath arch/x86/entry/common.c:278 [inline] do_syscall_64+0x384/0x3a0 arch/x86/entry/common.c:304 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff8880a7afe500 of 8 bytes by task 18724 on cpu 0: try_to_unmap_one+0x105/0x16f0 mm/rmap.c:1382 rmap_walk_file+0x23c/0x590 mm/rmap.c:1920 rmap_walk+0x118/0x190 mm/rmap.c:1938 try_to_munlock+0x8b/0xb0 mm/rmap.c:1789 __munlock_isolated_page+0x89/0x1a0 mm/mlock.c:138 __munlock_pagevec+0x392/0x7a0 mm/mlock.c:346 munlock_vma_pages_range+0x5cc/0x790 mm/mlock.c:499 munlock_vma_pages_all mm/internal.h:306 [inline] exit_mmap+0x24f/0x300 mm/mmap.c:3124 __mmput kernel/fork.c:1082 [inline] mmput+0xea/0x280 kernel/fork.c:1103 exit_mm kernel/exit.c:485 [inline] do_exit+0x4ac/0x18c0 kernel/exit.c:784 do_group_exit+0xb4/0x1c0 kernel/exit.c:895 get_signal+0x2a2/0x1320 kernel/signal.c:2734 do_signal+0x2f/0x6c0 arch/x86/kernel/signal.c:815 exit_to_usermode_loop+0x250/0x2c0 arch/x86/entry/common.c:160 prepare_exit_to_usermode arch/x86/entry/common.c:195 [inline] syscall_return_slowpath arch/x86/entry/common.c:278 [inline] do_syscall_64+0x384/0x3a0 arch/x86/entry/common.c:304 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 18724 Comm: syz-executor.5 Not tainted 5.5.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================
Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Title |
---|---|---|---|---|---|---|---|---|---|---|---|
ci2-upstream-kcsan-gce | 2019/12/31 21:42 | https://github.com/google/ktsan.git kcsan | 245a43005292 | 25a0186e | .config | log | report |