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🐞 Open [994] 🐞 Fixed [3924] 🐞 Invalid [8509] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in blk_stat_add / blk_stat_timer_fn (5) | 12 | 564d | 555d | 0/23 | auto-closed as invalid on 2021/03/03 15:50 | |||
upstream | KCSAN: data-race in blk_stat_add / blk_stat_timer_fn (3) | 2 | 772d | 773d | 0/23 | auto-closed as invalid on 2020/08/07 01:06 | |||
upstream | KCSAN: data-race in blk_stat_add / blk_stat_timer_fn (6) | 2 | 507d | 517d | 0/23 | auto-closed as invalid on 2021/05/17 11:06 | |||
upstream | KCSAN: data-race in blk_stat_add / blk_stat_timer_fn | 10 | 1008d | 1024d | 0/23 | closed as invalid on 2019/11/19 14:44 | |||
upstream | KCSAN: data-race in blk_stat_add / blk_stat_timer_fn (2) | 22 | 859d | 999d | 0/23 | auto-closed as invalid on 2020/06/16 18:43 |
================================================================== BUG: KCSAN: data-race in blk_stat_add / blk_stat_timer_fn write to 0xffffe8ffffc269d8 of 4 bytes by interrupt on cpu 1: blk_rq_stat_init block/blk-stat.c:24 [inline] blk_stat_timer_fn+0x336/0x410 block/blk-stat.c:95 call_timer_fn+0x30/0x2a0 kernel/time/timer.c:1413 expire_timers+0x116/0x290 kernel/time/timer.c:1458 __run_timers+0x348/0x3e0 kernel/time/timer.c:1755 run_timer_softirq+0x2e/0x60 kernel/time/timer.c:1768 __do_softirq+0x198/0x360 kernel/softirq.c:298 asm_call_irq_on_stack+0xf/0x20 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] do_softirq_own_stack+0x5b/0x70 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:393 [inline] __irq_exit_rcu+0x115/0x120 kernel/softirq.c:423 sysvec_apic_timer_interrupt+0xba/0xd0 arch/x86/kernel/apic/apic.c:1091 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:581 arch_local_irq_enable arch/x86/include/asm/paravirt.h:780 [inline] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:168 [inline] _raw_spin_unlock_irq+0x41/0x70 kernel/locking/spinlock.c:199 finish_lock_switch kernel/sched/core.c:3517 [inline] finish_task_switch+0x8b/0x270 kernel/sched/core.c:3617 context_switch kernel/sched/core.c:3781 [inline] __schedule+0x3c5/0x590 kernel/sched/core.c:4527 schedule+0x91/0xd0 kernel/sched/core.c:4602 freezable_schedule include/linux/freezer.h:172 [inline] do_nanosleep+0x107/0x3a0 kernel/time/hrtimer.c:1883 hrtimer_nanosleep kernel/time/hrtimer.c:1936 [inline] __do_sys_nanosleep kernel/time/hrtimer.c:1970 [inline] __se_sys_nanosleep+0x20b/0x2a0 kernel/time/hrtimer.c:1957 __x64_sys_nanosleep+0x2d/0x40 kernel/time/hrtimer.c:1957 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffffe8ffffc269d8 of 4 bytes by interrupt on cpu 0: blk_rq_stat_add block/blk-stat.c:48 [inline] blk_stat_add+0x190/0x240 block/blk-stat.c:74 __blk_mq_end_request+0x142/0x230 block/blk-mq.c:544 blk_mq_end_request+0x37/0x50 block/blk-mq.c:564 lo_complete_rq+0xca/0x180 drivers/block/loop.c:500 blk_done_softirq+0x1a5/0x200 block/blk-mq.c:586 __do_softirq+0x198/0x360 kernel/softirq.c:298 run_ksoftirqd+0x2f/0x60 kernel/softirq.c:652 smpboot_thread_fn+0x347/0x530 kernel/smpboot.c:165 kthread+0x20d/0x230 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 5.9.0-rc7-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 | 2020/09/30 06:43 | upstream | 02de58b24d2e | 8516f6d3 | .config | log | report | info | |||
ci2-upstream-kcsan-gce | 2020/09/29 11:05 | upstream | fb0155a09b02 | 1b88c6d5 | .config | log | report | info | |||
ci2-upstream-kcsan-gce | 2020/09/21 22:29 | upstream | 98477740630f | 9e1fa68e | .config | log | report | info | |||
ci2-upstream-kcsan-gce | 2020/09/17 07:03 | upstream | 5925fa68fe82 | 8247808b | .config | log | report | info | |||
ci2-upstream-kcsan-gce | 2020/09/04 09:37 | upstream | 59126901f200 | abf9ba4f | .config | log | report |