Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in __run_timers / internal_add_timer kernel | 14 | 983d | 1088d | 0/26 | auto-closed as invalid on 2021/09/14 04:57 |
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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in __run_timers / internal_add_timer kernel | 14 | 983d | 1088d | 0/26 | auto-closed as invalid on 2021/09/14 04:57 |
================================================================== BUG: KCSAN: data-race in __run_timers / internal_add_timer write to 0xffff888237d1b858 of 8 bytes by interrupt on cpu 0: enqueue_timer kernel/time/timer.c:598 [inline] internal_add_timer+0x14f/0x2b0 kernel/time/timer.c:611 add_timer_on+0x247/0x280 kernel/time/timer.c:1182 clocksource_watchdog+0xa96/0xac0 kernel/time/clocksource.c:478 call_timer_fn+0x2e/0x240 kernel/time/timer.c:1421 expire_timers+0x116/0x240 kernel/time/timer.c:1466 __run_timers+0x368/0x410 kernel/time/timer.c:1734 run_timer_softirq+0x2e/0x60 kernel/time/timer.c:1747 __do_softirq+0x158/0x2de kernel/softirq.c:558 __irq_exit_rcu kernel/softirq.c:636 [inline] irq_exit_rcu+0x37/0x70 kernel/softirq.c:648 sysvec_apic_timer_interrupt+0x8d/0xb0 arch/x86/kernel/apic/apic.c:1097 asm_sysvec_apic_timer_interrupt+0x12/0x20 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:109 [inline] acpi_idle_do_entry drivers/acpi/processor_idle.c:553 [inline] acpi_idle_enter+0x282/0x300 drivers/acpi/processor_idle.c:688 cpuidle_enter_state+0x2b4/0x7d0 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+0x1b2/0x250 kernel/sched/idle.c:306 cpu_startup_entry+0x15/0x20 kernel/sched/idle.c:403 rest_init+0xfa/0x100 init/main.c:725 arch_call_rest_init+0xa/0xb start_kernel+0x5e4/0x669 init/main.c:1133 secondary_startup_64_no_verify+0xb1/0xbb read to 0xffff888237d1b858 of 8 bytes by interrupt on cpu 1: __run_timers+0x62/0x410 kernel/time/timer.c:1715 run_timer_softirq+0x2e/0x60 kernel/time/timer.c:1747 __do_softirq+0x158/0x2de kernel/softirq.c:558 __irq_exit_rcu kernel/softirq.c:636 [inline] irq_exit_rcu+0x37/0x70 kernel/softirq.c:648 sysvec_apic_timer_interrupt+0x8d/0xb0 arch/x86/kernel/apic/apic.c:1097 asm_sysvec_apic_timer_interrupt+0x12/0x20 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:109 [inline] acpi_idle_do_entry drivers/acpi/processor_idle.c:553 [inline] acpi_idle_enter+0x282/0x300 drivers/acpi/processor_idle.c:688 cpuidle_enter_state+0x2b4/0x7d0 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+0x1b2/0x250 kernel/sched/idle.c:306 cpu_startup_entry+0x15/0x20 kernel/sched/idle.c:403 secondary_startup_64_no_verify+0xb1/0xbb value changed: 0x000000010000cd48 -> 0x000000010000cd15 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.15.0-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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2021/11/07 01:14 | upstream | 512b7931ad05 | 4c1be0be | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in __run_timers / internal_add_timer | |||
2021/11/05 06:08 | upstream | d4439a1189f9 | 4c1be0be | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in __run_timers / internal_add_timer | |||
2021/10/30 01:35 | upstream | a379fbbcb88b | 098b5d53 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in __run_timers / internal_add_timer | |||
2021/09/30 19:29 | upstream | 02d5e016800d | 0f01403d | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in __run_timers / internal_add_timer |