syzbot |
sign-in | mailing list | source | docs |
🐞 Open [1026] 🐞 Fixed [3926] 🐞 Invalid [8524] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in cgroup_freezer_migrate_task / handle_mm_fault (4) | 2 | 555d | 579d | 0/23 | auto-closed as invalid on 2021/03/14 16:47 | |||
upstream | KCSAN: data-race in cgroup_freezer_migrate_task / handle_mm_fault (2) | 1 | 687d | 687d | 0/23 | auto-closed as invalid on 2020/11/02 09:03 | |||
upstream | KCSAN: data-race in cgroup_freezer_migrate_task / handle_mm_fault (3) | 1 | 634d | 617d | 0/23 | auto-closed as invalid on 2020/12/25 21:40 |
================================================================== BUG: KCSAN: data-race in cgroup_freezer_migrate_task / handle_mm_fault read to 0xffff88812194a558 of 1 bytes by task 12818 on cpu 0: cgroup_freezer_migrate_task+0x131/0x1d0 kernel/cgroup/freezer.c:239 cgroup_migrate_execute+0x32f/0xa30 kernel/cgroup/cgroup.c:2431 cgroup_update_dfl_csses+0x33c/0x350 kernel/cgroup/cgroup.c:2913 cgroup_apply_control kernel/cgroup/cgroup.c:3153 [inline] cgroup_apply_control+0x47/0x60 kernel/cgroup/cgroup.c:3138 cgroup_subtree_control_write+0x598/0x760 kernel/cgroup/cgroup.c:3302 cgroup_file_write+0x119/0x320 kernel/cgroup/cgroup.c:3699 kernfs_fop_write+0x1bd/0x300 fs/kernfs/file.c:315 __vfs_write+0x67/0xc0 fs/read_write.c:494 vfs_write fs/read_write.c:558 [inline] vfs_write+0x18a/0x390 fs/read_write.c:542 ksys_write+0xd5/0x1b0 fs/read_write.c:611 __do_sys_write fs/read_write.c:623 [inline] __se_sys_write fs/read_write.c:620 [inline] __x64_sys_write+0x4c/0x60 fs/read_write.c:620 do_syscall_64+0xcc/0x3a0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x44/0xa9 write to 0xffff88812194a558 of 1 bytes by task 12810 on cpu 1: mem_cgroup_enter_user_fault include/linux/memcontrol.h:553 [inline] handle_mm_fault+0x34d/0x530 mm/memory.c:4107 do_user_addr_fault arch/x86/mm/fault.c:1441 [inline] __do_page_fault+0x456/0x8d0 arch/x86/mm/fault.c:1506 do_page_fault+0x38/0x194 arch/x86/mm/fault.c:1530 page_fault+0x34/0x40 arch/x86/entry/entry_64.S:1203 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 12810 Comm: syz-executor.4 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 | 2019/12/15 07:18 | https://github.com/google/ktsan.git kcsan | 245a43005292 | eef6e580 | .config | log | report |