kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 10629 Comm: syz-executor.4 Not tainted 5.4.0-rc6-next-20191107 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:pick_next_task_fair+0x1ae/0xc60 kernel/sched/fair.c:6661 Code: ff e8 16 25 ff ff 84 c0 0f 85 95 00 00 00 4c 89 fe 4c 89 e7 e8 f3 5c fd ff 48 8d b8 60 01 00 00 49 89 c7 48 89 fa 48 c1 ea 03 <80> 3c 1a 00 0f 85 8c 08 00 00 4d 8b a7 60 01 00 00 4d 85 e4 0f 84 RSP: 0018:ffff88805a7bfb18 EFLAGS: 00010002 RAX: 0000000000000000 RBX: dffffc0000000000 RCX: 0000000000000000 RDX: 000000000000002c RSI: 0000000000000000 RDI: 0000000000000160 RBP: ffff88805a7bfb70 R08: ffff8880672d02b8 R09: ffff8880a81a1010 R10: ffff8880a81a1040 R11: ffff8880a81a1190 R12: ffff8880ae834dc0 R13: ffff88805a7bfbe0 R14: ffff8880672d0240 R15: 0000000000000000 FS: 0000000000da0940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000068 CR3: 0000000057175000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: pick_next_task kernel/sched/core.c:3921 [inline] __schedule+0x3d0/0x1e70 kernel/sched/core.c:4040 schedule+0xdc/0x2b0 kernel/sched/core.c:4144 freezable_schedule include/linux/freezer.h:172 [inline] do_nanosleep+0x21f/0x640 kernel/time/hrtimer.c:1871 hrtimer_nanosleep+0x297/0x550 kernel/time/hrtimer.c:1924 __do_sys_nanosleep kernel/time/hrtimer.c:1958 [inline] __se_sys_nanosleep kernel/time/hrtimer.c:1945 [inline] __x64_sys_nanosleep+0x1a6/0x220 kernel/time/hrtimer.c:1945 do_syscall_64+0xfa/0x760 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4586c0 Code: c0 5b 5d c3 66 0f 1f 44 00 00 8b 04 24 48 83 c4 18 5b 5d c3 66 0f 1f 44 00 00 83 3d 11 fe 61 00 00 75 14 b8 23 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 d4 d1 fb ff c3 48 83 ec 08 e8 ea 46 00 00 RSP: 002b:00007fff0c55e7c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000023 RAX: ffffffffffffffda RBX: 000000000006bf8c RCX: 00000000004586c0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007fff0c55e7d0 RBP: 00000000000000fe R08: 0000000000000001 R09: 0000000000da0940 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000d R13: 00007fff0c55e820 R14: 000000000006bf31 R15: 00007fff0c55e830 Modules linked in: ======================================================