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

[Anders Roxell]

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@xxxxxxxxxx>

Any idea what happens?


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