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================================================================== BUG: KCSAN: data-race in tick_nohz_handler / tick_nohz_handler write to 0xffffffff865332f0 of 4 bytes by interrupt on cpu 1: tick_sched_do_timer kernel/time/tick-sched.c:224 [inline] tick_nohz_handler+0x2bc/0x2d0 kernel/time/tick-sched.c:287 __run_hrtimer kernel/time/hrtimer.c:1692 [inline] __hrtimer_run_queues+0x214/0x5e0 kernel/time/hrtimer.c:1756 hrtimer_interrupt+0x210/0x7b0 kernel/time/hrtimer.c:1818 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline] __sysvec_apic_timer_interrupt+0x5c/0x1a0 arch/x86/kernel/apic/apic.c:1049 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x6e/0x80 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline] arch_safe_halt arch/x86/include/asm/irqflags.h:86 [inline] acpi_safe_halt+0x21/0x30 drivers/acpi/processor_idle.c:112 acpi_idle_do_entry+0x1d/0x30 drivers/acpi/processor_idle.c:573 acpi_idle_enter+0x96/0xb0 drivers/acpi/processor_idle.c:707 cpuidle_enter_state+0xcf/0x270 drivers/cpuidle/cpuidle.c:267 cpuidle_enter+0x40/0x70 drivers/cpuidle/cpuidle.c:388 call_cpuidle kernel/sched/idle.c:155 [inline] cpuidle_idle_call kernel/sched/idle.c:236 [inline] do_idle+0x195/0x230 kernel/sched/idle.c:332 cpu_startup_entry+0x25/0x30 kernel/sched/idle.c:430 start_secondary+0x94/0xa0 arch/x86/kernel/smpboot.c:313 common_startup_64+0x12c/0x137 read to 0xffffffff865332f0 of 4 bytes by interrupt on cpu 0: tick_sched_do_timer kernel/time/tick-sched.c:220 [inline] tick_nohz_handler+0x3d/0x2d0 kernel/time/tick-sched.c:287 __run_hrtimer kernel/time/hrtimer.c:1692 [inline] __hrtimer_run_queues+0x214/0x5e0 kernel/time/hrtimer.c:1756 hrtimer_interrupt+0x210/0x7b0 kernel/time/hrtimer.c:1818 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline] __sysvec_apic_timer_interrupt+0x5c/0x1a0 arch/x86/kernel/apic/apic.c:1049 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x6e/0x80 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 native_safe_halt arch/x86/include/asm/irqflags.h:48 [inline] arch_safe_halt arch/x86/include/asm/irqflags.h:86 [inline] acpi_safe_halt+0x21/0x30 drivers/acpi/processor_idle.c:112 acpi_idle_do_entry+0x1d/0x30 drivers/acpi/processor_idle.c:573 acpi_idle_enter+0x96/0xb0 drivers/acpi/processor_idle.c:707 cpuidle_enter_state+0xcf/0x270 drivers/cpuidle/cpuidle.c:267 cpuidle_enter+0x40/0x70 drivers/cpuidle/cpuidle.c:388 call_cpuidle kernel/sched/idle.c:155 [inline] cpuidle_idle_call kernel/sched/idle.c:236 [inline] do_idle+0x195/0x230 kernel/sched/idle.c:332 cpu_startup_entry+0x25/0x30 kernel/sched/idle.c:430 rest_init+0xef/0xf0 init/main.c:732 start_kernel+0x57c/0x5e0 init/main.c:1074 x86_64_start_reservations+0x2a/0x30 arch/x86/kernel/head64.c:507 x86_64_start_kernel+0x94/0xa0 arch/x86/kernel/head64.c:488 common_startup_64+0x12c/0x137 value changed: 0xffffffff -> 0x00000001 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 0 Comm: swapper/0 Tainted: G W 6.9.0-rc3-syzkaller-00011-g20cb38a7af88 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2024/04/09 16:02 | upstream | 20cb38a7af88 | f3234354 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in tick_nohz_handler / tick_nohz_handler | ||
2024/04/06 22:32 | upstream | f2f80ac80987 | ca620dd8 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in tick_nohz_handler / tick_nohz_handler | ||
2024/03/26 06:32 | upstream | 928a87efa423 | bcd9b39f | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in tick_nohz_handler / tick_nohz_handler | ||
2024/03/25 11:05 | upstream | 4cece7649650 | 0ea90952 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in tick_nohz_handler / tick_nohz_handler | ||
2024/03/23 19:42 | upstream | 484193fecd2b | 0ea90952 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in tick_nohz_handler / tick_nohz_handler | ||
2024/03/23 04:03 | upstream | bfa8f18691ed | 4b6cdce6 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in tick_nohz_handler / tick_nohz_handler | ||
2024/03/20 15:42 | upstream | a4145ce1e7bc | 5b7d42ae | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in tick_nohz_handler / tick_nohz_handler | ||
2024/03/19 12:02 | upstream | b3603fcb79b1 | e104824c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in tick_nohz_handler / tick_nohz_handler | ||
2024/03/17 04:32 | upstream | 741e9d668aa5 | d615901c | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in tick_nohz_handler / tick_nohz_handler | ||
2024/03/13 22:34 | upstream | 61387b8dcf1d | f919f202 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in tick_nohz_handler / tick_nohz_handler | ||
2024/03/12 20:03 | upstream | 855684c7d938 | c35c26ec | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-upstream-kcsan-gce | KCSAN: data-race in tick_nohz_handler / tick_nohz_handler |