[next] arm64: allmodconfig: kernel BUG at include/linux/page-flags.h:509

Anders Roxell
2022-03-11T09:43:49Z

Hi,

I'm building and running an arm64 allmodconfig kernel on next.
Reacently I've seen this error below, for full log see [1].

[ 56.000810][ T1] ------------[ cut here ]------------
[ 56.003178][ T1] kernel BUG at include/linux/page-flags.h:509!
[ 56.006291][ T1] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP
[ 56.008921][ T1] Modules linked in:
[ 56.010600][ T1] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G
T 5.17.0-rc6-next-20220304 #1
ff4358f1e97b9d4d3a7966961f455fb8cb5c735d
[ 56.015962][ T1] Hardware name: linux,dummy-virt (DT)
[ 56.018189][ T1] pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT
-SSBS BTYPE=--)
[ 56.021355][ T1] pc : set_page_reservations+0xf8/0x3b8
[ 56.023655][ T1] lr : set_page_reservations+0xec/0x3b8
[ 56.025976][ T1] sp : ffff80000eb37c20
[ 56.027699][ T1] x29: ffff80000eb37c20 x28: ffff0000079d8050
x27: 0000000000000001
[ 56.031030][ T1] x26: ffff80000a2c6140 x25: ffff80000e240380
x24: ffff80000b780f70
[ 56.034381][ T1] x23: fffffc0000000000 x22: 000000000028b100
x21: fffffc000028b100
[ 56.037728][ T1] x20: ffff80000e23ffe0 x19: ffff80000e23ffe0
x18: 0000000000000000
[ 56.041039][ T1] x17: 0000000000000000 x16: 0000000000000000
x15: 0000000000000000
[ 56.044323][ T1] x14: 0000000000000000 x13: fffffffffffe34f0
x12: fffffffffffe3498
[ 56.047644][ T1] x11: 0000000000000000 x10: 0000000000000000 x9
: 0000000000000000
[ 56.050941][ T1] x8 : 0000000000000000 x7 : 0000000000000000 x6
: 0000000000000000
[ 56.054258][ T1] x5 : 0000000000000000 x4 : 0000000000000000 x3
: 0000000000000000
[ 56.057729][ T1] x2 : 0000000000000000 x1 : 0000000000000000 x0
: 0000000000000001
[ 56.061075][ T1] Call trace:
[ 56.062436][ T1] set_page_reservations+0xf8/0x3b8
[ 56.064709][ T1] trace_events_user_init+0x1bc/0x3f8
[ 56.067110][ T1] do_one_initcall+0x2ac/0x6c0
[ 56.069267][ T1] do_initcalls+0x17c/0x244
[ 56.071269][ T1] kernel_init_freeable+0x2a0/0x344
[ 56.073587][ T1] kernel_init+0x34/0x180
[ 56.075614][ T1] ret_from_fork+0x10/0x20
[ 56.077655][ T1] Code: 97937293 f9401a80 91000400 f9001a80 (d4210000)
[ 56.080828][ T1] ---[ end trace 0000000000000000 ]---
[ 56.083250][ T1] Kernel panic - not syncing: Oops - BUG: Fatal exception
[ 56.086279][ T1] ---[ end Kernel panic - not syncing: Oops -
BUG: Fatal exception ]---

Reported-by: Anders Roxell <anders.roxell@linaro.org>

Any idea what happens?

Cheers,
Anders
[1] http://ix.io/3Rkj