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================================================================== kasan: CONFIG_KASAN_INLINE enabled BUG: KASAN: stack-out-of-bounds in select_task_rq_fair+0x2b5d/0x3b60 kernel/sched/fair.c:6624 kasan: GPF could be caused by NULL-ptr deref or user memory access Read of size 4 at addr ffff8880a9dd12cc by task syz-executor3/7890 general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: -1478884216 Comm: V Not tainted 4.20.0+ #3 CPU: 1 PID: 7890 Comm: syz-executor3 Not tainted 4.20.0+ #3 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:__read_once_size include/linux/compiler.h:191 [inline] RIP: 0010:get_running_cputimer include/linux/sched/cputime.h:85 [inline] RIP: 0010:account_group_system_time include/linux/sched/cputime.h:149 [inline] RIP: 0010:account_system_index_time+0xe8/0x5f0 kernel/sched/cputime.c:168 Call Trace: Code: 04 00 00 49 8b 84 24 00 07 00 00 48 ba 00 00 00 00 00 fc ff df 48 8d b8 40 01 00 00 48 8d 88 28 01 00 00 48 89 fe 48 c1 ee 03 <0f> b6 14 16 48 89 fe 83 e6 07 40 38 f2 7f 08 84 d2 0f 85 93 03 00 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1db/0x2d0 lib/dump_stack.c:113 RSP: 0018:ffff8880ae607a80 EFLAGS: 00010006 RAX: 0000000000000000 RBX: 1ffff11015cc0f54 RCX: 0000000000000128 RDX: dffffc0000000000 RSI: 0000000000000028 RDI: 0000000000000140 print_address_description.cold+0x7c/0x20d mm/kasan/report.c:256 RBP: ffff8880ae607b48 R08: ffff8880ae61f5f0 R09: ffffffff8a99f01d R10: ffffffff8a99f010 R11: 0000000000000001 R12: ffff8880a9e62240 kasan_report_error mm/kasan/report.c:354 [inline] kasan_report mm/kasan/report.c:412 [inline] kasan_report.cold+0x8c/0x2ba mm/kasan/report.c:396 R13: 000000000094301b R14: 0000000000000003 R15: ffff8880ae607b20 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report.c:432 FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 select_task_rq_fair+0x2b5d/0x3b60 kernel/sched/fair.c:6624 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000068 CR3: 00000000958a7000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <IRQ> irqtime_account_process_tick.isra.0+0x3a2/0x490 kernel/sched/cputime.c:380 account_process_tick+0x27f/0x350 kernel/sched/cputime.c:483 select_task_rq kernel/sched/core.c:1536 [inline] wake_up_new_task+0x212/0xd30 kernel/sched/core.c:2417 update_process_times+0x25/0x80 kernel/time/timer.c:1633 tick_sched_handle+0xa2/0x190 kernel/time/tick-sched.c:161 tick_sched_timer+0x47/0x130 kernel/time/tick-sched.c:1271 __run_hrtimer kernel/time/hrtimer.c:1389 [inline] __hrtimer_run_queues+0x3a7/0x1050 kernel/time/hrtimer.c:1451 _do_fork+0x2a5/0x1170 kernel/fork.c:2246 hrtimer_interrupt+0x314/0x770 kernel/time/hrtimer.c:1509 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1035 [inline] smp_apic_timer_interrupt+0x18d/0x760 arch/x86/kernel/apic/apic.c:1060 __do_sys_clone kernel/fork.c:2328 [inline] __se_sys_clone kernel/fork.c:2322 [inline] __x64_sys_clone+0xbf/0x150 kernel/fork.c:2322 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 </IRQ> Modules linked in: ======================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2019/01/15 00:34 | net-next-old | b71acb0e3721 | ebacf5cb | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2019/01/06 03:09 | net-next-old | b71acb0e3721 | 53be0a37 | .config | console log | report | ci-upstream-net-kasan-gce |