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================================================================== BUG: KASAN: stack-out-of-bounds in enqueue_task_fair+0x3ab/0x910 kernel/sched/fair.c:5424 Read of size 8 at addr ffff8801aa1fa918 by task blkid/9200 PANIC: double fault, error_code: 0x0 CPU: 0 PID: 9192 Comm: syz-executor3 Not tainted 4.18.0-rc3+ #57 CPU: 1 PID: 9200 Comm: blkid Not tainted 4.18.0-rc3+ #57 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__lock_acquire+0x2e/0x5020 kernel/locking/lockdep.c:3294 Call Trace: Code: 41 <IRQ> __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 57 41 89 cf 41 56 41 print_address_description+0x6c/0x20b mm/kasan/report.c:256 55 kasan_report_error mm/kasan/report.c:354 [inline] kasan_report.cold.7+0x242/0x2fe mm/kasan/report.c:412 49 89 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:433 fd enqueue_task_fair+0x3ab/0x910 kernel/sched/fair.c:5424 41 54 45 89 cc 53 enqueue_task kernel/sched/core.c:751 [inline] activate_task+0x123/0x2e0 kernel/sched/core.c:770 65 ttwu_activate kernel/sched/core.c:1659 [inline] ttwu_do_activate+0xd5/0x1f0 kernel/sched/core.c:1718 4c 8b ttwu_queue kernel/sched/core.c:1863 [inline] try_to_wake_up+0x948/0x12b0 kernel/sched/core.c:2076 34 25 40 ee 01 00 48 83 e4 f0 48 81 ec 60 03 00 00 48 wake_up_process+0x10/0x20 kernel/sched/core.c:2149 8b 45 hrtimer_wakeup+0x48/0x60 kernel/time/hrtimer.c:1647 10 <89> __run_hrtimer kernel/time/hrtimer.c:1398 [inline] __hrtimer_run_queues+0x3eb/0x10c0 kernel/time/hrtimer.c:1460 94 24 80 00 00 00 48 ba 00 00 00 00 00 fc ff df 48 89 hrtimer_interrupt+0x2f3/0x750 kernel/time/hrtimer.c:1518 84 24 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1025 [inline] smp_apic_timer_interrupt+0x165/0x730 arch/x86/kernel/apic/apic.c:1050 98 RSP: 0018:ffff8801a8b54f60 EFLAGS: 00010086 RAX: 0000000000000000 RBX: 1ffff1003516aa68 RCX: 0000000000000002 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff88f92620 RBP: ffff8801a8b552e8 R08: 0000000000000000 R09: 0000000000000000 R10: ffff8801aa57fbe0 R11: ffff8801d904acfb R12: 0000000000000000 R13: ffffffff88f92620 R14: ffff8801d904a580 R15: 0000000000000002 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:863 FS: 0000000001156940(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 </IRQ> CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff8801a8b54f58 CR3: 00000001d699d000 CR4: 00000000001406f0 RIP: 0033:0x7fa7a88df79d DR0: 0000000020000000 DR1: 0000000000000000 DR2: 0000000020000000 Code: DR3: 0000000020000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: 85
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
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2018/07/18 03:38 | bpf-next | dc989d2ce2c2 | 6d5bd5b5 | .config | console log | report | ci-upstream-bpf-next-kasan-gce |