upstream test error: WARNING in tick_nohz_idle_enter

Status: auto-closed as invalid on 2020/09/02 20:57
Subsystems: kernel
[Documentation on labels]
First crash: 2222d, last: 2221d

Sample crash report:
------------[ cut here ]------------
WARNING: CPU: 1 PID: 0 at kernel/time/tick-sched.c:1024 tick_nohz_idle_enter+0x157/0x170 kernel/time/tick-sched.c:1024
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.8.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x16e/0x25d lib/dump_stack.c:118
 panic+0x20c/0x69a kernel/panic.c:231
 __warn+0x211/0x240 kernel/panic.c:600
 report_bug+0x153/0x1d0 lib/bug.c:198
 handle_bug+0x4d/0x90 arch/x86/kernel/traps.c:235
 exc_invalid_op+0x16/0x70 arch/x86/kernel/traps.c:255
 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:536
RIP: 0010:tick_nohz_idle_enter+0x157/0x170 kernel/time/tick-sched.c:1024
Code: c7 06 00 74 33 e8 19 f3 07 00 fb 66 0f 1f 44 00 00 5b 41 5c 41 5e 41 5f c3 e8 05 f3 07 00 0f 0b e9 71 ff ff ff e8 f9 f2 07 00 <0f> 0b e9 f1 fe ff ff e8 ed f2 07 00 0f 0b e8 e6 f2 07 00 0f 0b 0f
RSP: 0018:ffffc90000cd3ed8 EFLAGS: 00010293
RAX: ffffffff81442777 RBX: 0000000000000000 RCX: ffff88812b7cc340
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffff88812b7cc340 R08: ffffffff8144265b R09: 0000ffff8861a977
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 do_idle+0x36/0x330 kernel/sched/idle.c:251
 cpu_startup_entry+0x15/0x20 kernel/sched/idle.c:372
 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:243
Kernel Offset: disabled
Rebooting in 86400 seconds..

Crashes (24):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2020/08/05 20:53 upstream fffe3ae0ee84 b7129355 .config console log report ci2-upstream-kcsan-gce
2020/08/05 20:53 upstream fffe3ae0ee84 b7129355 .config console log report ci2-upstream-kcsan-gce
2020/08/05 20:05 upstream 585524081ecd b7129355 .config console log report ci2-upstream-kcsan-gce
2020/08/05 20:05 upstream 585524081ecd b7129355 .config console log report ci2-upstream-kcsan-gce
2020/08/05 19:14 upstream 060a72a26857 b7129355 .config console log report ci2-upstream-kcsan-gce
2020/08/05 19:14 upstream 060a72a26857 b7129355 .config console log report ci2-upstream-kcsan-gce
2020/08/05 18:05 upstream 4834ce9d8e07 b7129355 .config console log report ci2-upstream-kcsan-gce
2020/08/05 09:34 upstream 2324d50d051e b7129355 .config console log report ci2-upstream-kcsan-gce
2020/08/05 06:30 upstream 2324d50d051e 02034dac .config console log report ci2-upstream-kcsan-gce
2020/08/05 06:30 upstream 2324d50d051e 02034dac .config console log report ci2-upstream-kcsan-gce
2020/08/05 05:20 upstream 4da9f3302615 02034dac .config console log report ci2-upstream-kcsan-gce
2020/08/05 05:20 upstream 4da9f3302615 02034dac .config console log report ci2-upstream-kcsan-gce
2020/08/05 05:20 upstream 4da9f3302615 02034dac .config console log report ci2-upstream-kcsan-gce
2020/08/05 01:50 upstream 442489c21923 02034dac .config console log report ci2-upstream-kcsan-gce
2020/08/05 01:20 upstream 2ed90dbbf7be 02034dac .config console log report ci2-upstream-kcsan-gce
2020/08/05 01:20 upstream 2ed90dbbf7be 02034dac .config console log report ci2-upstream-kcsan-gce
2020/08/05 01:20 upstream 2ed90dbbf7be 02034dac .config console log report ci2-upstream-kcsan-gce
2020/08/04 23:48 upstream 4f30a60aa784 02034dac .config console log report ci2-upstream-kcsan-gce
2020/08/04 23:48 upstream 4f30a60aa784 02034dac .config console log report ci2-upstream-kcsan-gce
2020/08/04 22:52 upstream 3950e975431b 02034dac .config console log report ci2-upstream-kcsan-gce
2020/08/04 22:52 upstream 3950e975431b 02034dac .config console log report ci2-upstream-kcsan-gce
2020/08/04 21:31 upstream c0842fbc1b18 02034dac .config console log report ci2-upstream-kcsan-gce
2020/08/04 21:31 upstream c0842fbc1b18 02034dac .config console log report ci2-upstream-kcsan-gce
2020/08/04 21:31 upstream c0842fbc1b18 02034dac .config console log report ci2-upstream-kcsan-gce
* Struck through repros no longer work on HEAD.