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🐞 Open [972] 🐞 Fixed [3882] 🐞 Invalid [8372] 📈 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 | 1 | 917d | 917d | 0/22 | auto-closed as invalid on 2020/03/10 21:44 | |||
upstream | KCSAN: data-race in munlock_vma_pages_range / try_to_unmap_one (6) | 2 | 531d | 554d | 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 | 657d | 673d | 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 | 717d | 736d | 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 | 620d | 620d | 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 | 414d | 429d | 0/22 | auto-closed as invalid on 2021/06/22 19:33 |
================================================================== BUG: KCSAN: data-race in munlock_vma_pages_range / try_to_unmap_one write to 0xffff8880a7257b40 of 8 bytes by task 25800 on cpu 0: munlock_vma_pages_range+0x57/0x6b0 mm/mlock.c:448 munlock_vma_pages_all mm/internal.h:306 [inline] exit_mmap+0x243/0x2f0 mm/mmap.c:3114 __mmput kernel/fork.c:1088 [inline] mmput+0xe2/0x260 kernel/fork.c:1109 exit_mm kernel/exit.c:485 [inline] do_exit+0x640/0x1880 kernel/exit.c:788 do_group_exit+0xae/0x1a0 kernel/exit.c:899 __do_sys_exit_group kernel/exit.c:910 [inline] __se_sys_exit_group kernel/exit.c:908 [inline] __x64_sys_exit_group+0x2b/0x30 kernel/exit.c:908 do_syscall_64+0xc7/0x390 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff8880a7257b40 of 8 bytes by task 25838 on cpu 1: try_to_unmap_one+0x33a/0x1740 mm/rmap.c:1432 rmap_walk_file+0x240/0x590 mm/rmap.c:1920 rmap_walk+0x10e/0x180 mm/rmap.c:1938 try_to_munlock+0x8e/0xb0 mm/rmap.c:1789 __munlock_isolated_page+0x85/0x190 mm/mlock.c:138 __munlock_pagevec+0x316/0x690 mm/mlock.c:346 munlock_vma_pages_range+0x52a/0x6b0 mm/mlock.c:499 munlock_vma_pages_all mm/internal.h:306 [inline] exit_mmap+0x243/0x2f0 mm/mmap.c:3114 __mmput kernel/fork.c:1088 [inline] mmput+0xe2/0x260 kernel/fork.c:1109 exit_mm kernel/exit.c:485 [inline] do_exit+0x640/0x1880 kernel/exit.c:788 do_group_exit+0xae/0x1a0 kernel/exit.c:899 get_signal+0x2a7/0x1290 kernel/signal.c:2734 do_signal+0x2b/0x670 arch/x86/kernel/signal.c:813 exit_to_usermode_loop+0x24a/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+0x36e/0x390 arch/x86/entry/common.c:304 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 25838 Comm: syz-executor.3 Not tainted 5.6.0-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 | 2020/03/25 05:06 | https://github.com/google/ktsan.git kcsan | 40959e34d670 | 41f049cc | .config | log | report |