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| Kernel | Title | Rank 🛈 | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
|---|---|---|---|---|---|---|---|---|---|---|
| upstream | KCSAN: data-race in exit_signals / prepare_signal (3) kernel | 6 | 1 | 1670d | 1670d | 0/29 | auto-closed as invalid on 2021/03/13 19:57 | |||
| upstream | KCSAN: data-race in exit_signals / prepare_signal kernel | 6 | 18 | 1833d | 2144d | 0/29 | auto-closed as invalid on 2020/10/01 01:52 | |||
| upstream | KCSAN: data-race in exit_signals / prepare_signal (4) kernel | 6 | 1 | 1592d | 1591d | 0/29 | auto-closed as invalid on 2021/05/30 19:12 |
================================================================== BUG: KCSAN: data-race in exit_signals / prepare_signal read-write to 0xffff88813511d02c of 4 bytes by task 28992 on cpu 0: exit_signals+0x102/0x530 kernel/signal.c:2862 do_exit+0x15d/0x1630 kernel/exit.c:779 do_group_exit+0xc8/0x170 kernel/exit.c:920 get_signal+0xd5e/0x1440 kernel/signal.c:2770 arch_do_signal_or_restart+0x2a/0x270 arch/x86/kernel/signal.c:811 handle_signal_work kernel/entry/common.c:147 [inline] exit_to_user_mode_loop kernel/entry/common.c:171 [inline] exit_to_user_mode_prepare+0x109/0x1a0 kernel/entry/common.c:201 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline] syscall_exit_to_user_mode+0x20/0x40 kernel/entry/common.c:302 do_syscall_64+0x45/0x80 arch/x86/entry/common.c:56 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff88813511d02c of 4 bytes by task 8483 on cpu 1: sig_task_ignored kernel/signal.c:94 [inline] sig_ignored kernel/signal.c:119 [inline] prepare_signal+0x872/0xd80 kernel/signal.c:962 __send_signal+0x64/0x780 kernel/signal.c:1082 send_signal+0x39f/0x3d0 kernel/signal.c:1242 do_send_sig_info+0x9b/0xe0 kernel/signal.c:1291 group_send_sig_info kernel/signal.c:1414 [inline] kill_pid_info+0x7f/0x100 kernel/signal.c:1448 kill_proc_info kernel/signal.c:1465 [inline] kill_something_info kernel/signal.c:1562 [inline] __do_sys_kill kernel/signal.c:3680 [inline] __se_sys_kill+0xd3/0x450 kernel/signal.c:3674 __x64_sys_kill+0x2d/0x40 kernel/signal.c:3674 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 8483 Comm: syz-executor.2 Not tainted 5.10.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================
| Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020/12/24 12:34 | upstream | 58cf05f597b0 | c2c1d1dd | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
| 2020/12/22 00:12 | upstream | 8653b778e454 | 04201c06 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
| 2020/12/05 21:15 | upstream | 32f741b02f1a | 50503117 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
| 2020/12/05 03:59 | upstream | e87297fa080a | 20366b87 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
| 2020/11/29 18:24 | upstream | aae5ab854e38 | a0092f9d | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
| 2020/11/11 09:03 | upstream | eccc87672492 | cca87986 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
| 2020/11/02 13:46 | upstream | 3cea11cd5e3b | 8bc4594f | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
| 2020/10/31 21:10 | upstream | 5fc6b075e165 | 8bc4594f | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
| 2020/10/29 02:55 | upstream | ed8780e3f2ec | f24824d3 | .config | console log | report | info | ci2-upstream-kcsan-gce | ||||
| 2020/10/19 20:05 | upstream | 7cf726a59435 | ff4a3345 | .config | console log | report | info | ci2-upstream-kcsan-gce |