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🐞 Open [1002] 🐞 Fixed [3925] 🐞 Invalid [8519] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in attach_to_pi_owner / futex_wait_queue_me (4) | 3 | 752d | 783d | 0/23 | auto-closed as invalid on 2020/08/28 22:57 | |||
upstream | KCSAN: data-race in attach_to_pi_owner / futex_wait_queue_me (2) | 2 | 983d | 984d | 0/23 | auto-closed as invalid on 2020/02/14 17:46 | |||
upstream | KCSAN: data-race in attach_to_pi_owner / futex_wait_queue_me (3) | 3 | 852d | 911d | 0/23 | auto-closed as invalid on 2020/06/18 14:03 | |||
upstream | KCSAN: data-race in attach_to_pi_owner / futex_wait_queue_me (5) | 1 | 660d | 660d | 0/23 | auto-closed as invalid on 2020/11/28 10:56 | |||
upstream | KCSAN: data-race in attach_to_pi_owner / futex_wait_queue_me (6) | 1 | 606d | 606d | 0/23 | auto-closed as invalid on 2021/01/21 10:32 | |||
upstream | KCSAN: data-race in attach_to_pi_owner / futex_wait_queue_me (7) | 1 | 466d | 466d | 0/23 | auto-closed as invalid on 2021/06/11 04:30 |
================================================================== BUG: KCSAN: data-race in attach_to_pi_owner / futex_wait_queue_me write to 0xffff888121bac064 of 4 bytes by task 13253 on cpu 1: freezer_count include/linux/freezer.h:121 [inline] freezable_schedule include/linux/freezer.h:173 [inline] futex_wait_queue_me+0x1a2/0x290 kernel/futex.c:2627 futex_wait_requeue_pi.constprop.0+0x2d0/0xa10 kernel/futex.c:3265 do_futex+0x1cc/0x18d0 kernel/futex.c:3664 __do_sys_futex kernel/futex.c:3705 [inline] __se_sys_futex kernel/futex.c:3673 [inline] __x64_sys_futex+0x2cd/0x3f0 kernel/futex.c:3673 do_syscall_64+0xcc/0x370 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff888121bac064 of 4 bytes by task 13294 on cpu 0: attach_to_pi_owner+0x83/0x420 kernel/futex.c:1250 lookup_pi_state kernel/futex.c:1325 [inline] futex_requeue+0xfb9/0x12d0 kernel/futex.c:2069 do_futex+0x2f7/0x18d0 kernel/futex.c:3667 __do_sys_futex kernel/futex.c:3705 [inline] __se_sys_futex kernel/futex.c:3673 [inline] __x64_sys_futex+0x2cd/0x3f0 kernel/futex.c:3673 do_syscall_64+0xcc/0x370 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 13294 Comm: syz-executor.0 Not tainted 5.4.0-rc6+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ================================================================== Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 13294 Comm: syz-executor.0 Not tainted 5.4.0-rc6+ #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xf5/0x159 lib/dump_stack.c:113 panic+0x210/0x640 kernel/panic.c:221 kcsan_report.cold+0xc/0xe kernel/kcsan/report.c:302 kcsan_setup_watchpoint+0x3fe/0x410 kernel/kcsan/core.c:357 check_access kernel/kcsan/core.c:409 [inline] __tsan_read4+0x145/0x1f0 kernel/kcsan/core.c:529 attach_to_pi_owner+0x83/0x420 kernel/futex.c:1250 lookup_pi_state kernel/futex.c:1325 [inline] futex_requeue+0xfb9/0x12d0 kernel/futex.c:2069 do_futex+0x2f7/0x18d0 kernel/futex.c:3667 __do_sys_futex kernel/futex.c:3705 [inline] __se_sys_futex kernel/futex.c:3673 [inline] __x64_sys_futex+0x2cd/0x3f0 kernel/futex.c:3673 do_syscall_64+0xcc/0x370 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45a219 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f593b306c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 000000000045a219 RDX: 0000000000000001 RSI: 000000000000000c RDI: 000000002000cffc RBP: 000000000075bfc8 R08: 0000000020048000 R09: 0000000000000000 R10: 0000000020000a00 R11: 0000000000000246 R12: 00007f593b3076d4 R13: 00000000004c0ea5 R14: 00000000004d3ca0 R15: 00000000ffffffff Kernel Offset: disabled Rebooting in 86400 seconds..
Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Title |
---|---|---|---|---|---|---|---|---|---|---|---|
ci2-upstream-kcsan-gce | 2019/11/07 02:26 | https://github.com/google/ktsan.git kcsan | 94c006602e13 | da505f84 | .config | log | report |