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🐞 Open [966] 🐞 Fixed [3918] 🐞 Invalid [8487] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in complete_signal / exit_signals (3) | 2 | 554d | 567d | 0/23 | auto-closed as invalid on 2021/03/05 20:46 | |||
upstream | KCSAN: data-race in complete_signal / exit_signals | 1 | 786d | 786d | 0/23 | closed as invalid on 2020/06/18 14:13 | |||
upstream | KCSAN: data-race in complete_signal / exit_signals (2) | 1 | 750d | 750d | 0/23 | auto-closed as invalid on 2020/08/22 00:27 |
================================================================== BUG: KCSAN: data-race in complete_signal / exit_signals write to 0xffff888108f940ac of 4 bytes by task 19046 on cpu 1: exit_signals+0xe1/0x4a0 kernel/signal.c:2927 do_exit+0x194/0x1560 kernel/exit.c:782 do_group_exit+0x19b/0x1a0 kernel/exit.c:923 __do_sys_exit_group+0xb/0x10 kernel/exit.c:934 __se_sys_exit_group+0x5/0x10 kernel/exit.c:932 __x64_sys_exit_group+0x16/0x20 kernel/exit.c:932 do_syscall_64+0x4a/0x90 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff888108f940ac of 4 bytes by interrupt on cpu 0: wants_signal kernel/signal.c:1017 [inline] complete_signal+0x7c/0x600 kernel/signal.c:1040 send_sigqueue+0x252/0x3e0 kernel/signal.c:1933 posix_timer_event kernel/time/posix-timers.c:354 [inline] posix_timer_fn+0xe8/0x210 kernel/time/posix-timers.c:380 __run_hrtimer+0x160/0x480 kernel/time/hrtimer.c:1537 __hrtimer_run_queues kernel/time/hrtimer.c:1601 [inline] hrtimer_interrupt+0x380/0xaf0 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0x6f/0x1c0 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0x64/0x80 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:647 native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline] arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline] acpi_safe_halt drivers/acpi/processor_idle.c:108 [inline] acpi_idle_do_entry drivers/acpi/processor_idle.c:513 [inline] acpi_idle_enter+0x25b/0x2e0 drivers/acpi/processor_idle.c:648 cpuidle_enter_state+0x2b6/0x750 drivers/cpuidle/cpuidle.c:237 cpuidle_enter+0x3c/0x60 drivers/cpuidle/cpuidle.c:351 call_cpuidle kernel/sched/idle.c:158 [inline] cpuidle_idle_call kernel/sched/idle.c:239 [inline] do_idle+0x1a3/0x240 kernel/sched/idle.c:306 cpu_startup_entry+0x15/0x20 kernel/sched/idle.c:403 rest_init+0xc9/0xd0 init/main.c:721 arch_call_rest_init+0xa/0xb start_kernel+0x59e/0x623 init/main.c:1087 secondary_startup_64_no_verify+0xb0/0xbb Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.13.0-rc3-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 | 2021/05/27 12:34 | upstream | d7c5303fbc8a | 858ea628 | .config | log | report | info | KCSAN: data-race in complete_signal / exit_signals |