[OpenAFS] kernel 5.14 RIP with openafs 1.8.8

Mon, 4 Oct 2021 11:47:34 +0200

Hi,

I tried kernel 5.14.9 and openafs 1.8.8. It fails just after login with

Oct=C2=A0 4 11:16:29 f9pc45 kernel: [=C2=A0=C2=A0 77.384160] RIP: 0010:0x=
0
Oct=C2=A0 4 11:16:29 f9pc45 kernel: [=C2=A0=C2=A0 77.384164] Code: Unable=
 to access=20
opcode bytes at RIP 0xffffffffffffffd6.
Oct=C2=A0 4 11:16:29 f9pc45 kernel: [=C2=A0=C2=A0 77.384165] RSP: 0000:ff=
ffaa65c28bfd70=20
EFLAGS: 00010246
Oct=C2=A0 4 11:16:29 f9pc45 kernel: [=C2=A0=C2=A0 77.384167] RAX: 0000000=
000000000 RBX:=20
ffffaa65c28bfe08 RCX: 0000000000000000
Oct=C2=A0 4 11:16:29 f9pc45 kernel: [=C2=A0=C2=A0 77.384168] RDX: 0017fff=
c00000015 RSI:=20
0000000000000000 RDI: ffffd098856c0980
Oct=C2=A0 4 11:16:29 f9pc45 kernel: [=C2=A0=C2=A0 77.384169] RBP: ffffd09=
8856c0980 R08:=20
ffff937d19c17838 R09: 0000000000000000
Oct=C2=A0 4 11:16:29 f9pc45 kernel: [=C2=A0=C2=A0 77.384170] R10: 0000000=
000000000 R11:=20
0000000000000000 R12: ffff937ccb8005b8
Oct=C2=A0 4 11:16:29 f9pc45 kernel: [=C2=A0=C2=A0 77.384171] R13: ffff937=
cc7dd1000 R14:=20
00000000000003c0 R15: ffff937cd6776f78
Oct=C2=A0 4 11:16:29 f9pc45 kernel: [=C2=A0=C2=A0 77.384172] FS: 00007ffb=
d7dadc80(0000)=20
GS:ffff9383beb80000(0000) knlGS:0000000000000000
Oct=C2=A0 4 11:16:29 f9pc45 kernel: [=C2=A0=C2=A0 77.384173] CS:=C2=A0 00=
10 DS: 0000 ES:=20
0000 CR0: 0000000080050033
Oct=C2=A0 4 11:16:29 f9pc45 kernel: [=C2=A0=C2=A0 77.384174] CR2: fffffff=
fffffffd6 CR3:=20
0000000126418000 CR4: 0000000000350ee0
Oct=C2=A0 4 11:16:29 f9pc45 kernel: [=C2=A0=C2=A0 77.384175] Call Trace:
Oct=C2=A0 4 11:16:29 f9pc45 kernel: [=C2=A0=C2=A0 77.384177]=20
filemap_page_mkwrite+0xb3/0x150
Oct=C2=A0 4 11:16:29 f9pc45 kernel: [=C2=A0=C2=A0 77.384181] do_page_mkwr=
ite+0x55/0xb0
Oct=C2=A0 4 11:16:29 f9pc45 kernel: [=C2=A0=C2=A0 77.384183] do_wp_page+0=
x22b/0x2d0
Oct=C2=A0 4 11:16:29 f9pc45 kernel: [=C2=A0=C2=A0 77.384185] __handle_mm_=
fault+0xc82/0x14f0
Oct=C2=A0 4 11:16:29 f9pc45 kernel: [=C2=A0=C2=A0 77.384187] handle_mm_fa=
ult+0xcf/0x2a0
Oct=C2=A0 4 11:16:29 f9pc45 kernel: [=C2=A0=C2=A0 77.384188] do_user_addr=
_fault+0x1c1/0x680
Oct=C2=A0 4 11:16:29 f9pc45 kernel: [=C2=A0=C2=A0 77.384191] exc_page_fau=
lt+0x72/0x150
Oct=C2=A0 4 11:16:29 f9pc45 kernel: [=C2=A0=C2=A0 77.384194]=C2=A0 ? asm_=
exc_page_fault+0x8/0x30
Oct=C2=A0 4 11:16:29 f9pc45 kernel: [=C2=A0=C2=A0 77.384197] asm_exc_page=
_fault+0x1e/0x30
Oct=C2=A0 4 11:16:29 f9pc45 kernel: [=C2=A0=C2=A0 77.384199] RIP: 0033:0x=
7ffbdad69ae8
Oct=C2=A0 4 11:16:29 f9pc45 kernel: [=C2=A0=C2=A0 77.384200] Code: 07 06 =
00 0f 87 f0 00=20
00 00 c5 fe 6f 01 c5 fe 6f 49 e0 c5 fe 6f 51 c0 c5 fe 6f 59 a0 48 81 e9=20
80 00 00 00 48 81 ea 80 00 00 00 <c4> c1 7d 7f 01 c4 c1 7d 7f 49 e0 c4=20
c1 7d 7f 51 c0 c4 c1 7d 7f 59
Oct=C2=A0 4 11:16:29 f9pc45 kernel: [=C2=A0=C2=A0 77.384201] RSP: 002b:00=
007ffc69c88fd8=20
EFLAGS: 00010202
Oct=C2=A0 4 11:16:29 f9pc45 kernel: [=C2=A0=C2=A0 77.384202] RAX: 00007ff=
bcf153088 RBX:=20
000000000000007c RCX: 0000556e6fdff878
Oct=C2=A0 4 11:16:29 f9pc45 kernel: [=C2=A0=C2=A0 77.384203] RDX: 0000000=
000007ef8 RSI:=20
0000556e6fdf79a0 RDI: 00007ffbcf153088
Oct=C2=A0 4 11:16:29 f9pc45 kernel: [=C2=A0=C2=A0 77.384204] RBP: 0000556=
e6fdf6900 R08:=20
0000000000000000 R09: 00007ffbcf15afe0
Oct=C2=A0 4 11:16:29 f9pc45 kernel: [=C2=A0=C2=A0 77.384205] R10: 0000000=
00007ab90 R11:=20
00007ffbcf15afe0 R12: 0000556e6fd75d00
Oct=C2=A0 4 11:16:29 f9pc45 kernel: [=C2=A0=C2=A0 77.384206] R13: 00007ff=
c69c89060 R14:=20
0000556e6fdf6918 R15: 00007ffc69c89064
Oct=C2=A0 4 11:16:29 f9pc45 kernel: [=C2=A0=C2=A0 77.384207] Modules link=
ed in: ceph=20
libceph fscache netfs intel_rapl_msr intel_rapl_common=20
snd_hda_codec_realtek edac_mce_amd snd_hda_codec_generic bnep iwlmvm=20
ledtrig_audio kvm_amd snd_hda_codec_hdmi uvcvideo btusb snd_hda_intel=20
videobuf2_vmalloc snd_intel_dspcfg snd_intel_sdw_acpi btrtl=20
videobuf2_memops videobuf2_v4l2 btbcm libafs(PO) mac80211=20
videobuf2_common snd_usb_audio btintel libarc4 snd_hda_codec amdgpu kvm=20
snd_usbmidi_lib irqbypass bluetooth iommu_v2 snd_rawmidi videodev=20
snd_hda_core snd_seq_device iwlwifi gpu_sched snd_hwdep rapl mc=20
ecdh_generic drm_ttm_helper pcspkr mxm_wmi wmi_bmof snd_pcm ttm k10temp=20
i2c_piix4 igb snd_timer cfg80211 drm_kms_helper snd i2c_algo_bit=20
soundcore cec rfkill dca acpi_cpufreq vfat fat vboxnetadp(O)=20
vboxnetflt(O) vboxdrv(O) nfsd nfs_acl fuse lockd auth_rpcgss grace drm=20
sunrpc xfs ccp crct10dif_pclmul crc32_pclmul crc32c_intel=20
ghash_clmulni_intel sp5100_tco nvme nvme_core wmi nct6775 hwmon_vid
Oct=C2=A0 4 11:16:29 f9pc45 kernel: [=C2=A0=C2=A0 77.384244] CR2: 0000000=
000000000
Oct=C2=A0 4 11:16:29 f9pc45 kernel: [=C2=A0=C2=A0 77.384245] ---[ end tra=
ce=20
543b6b0fa0486581 ]---

any clues or patches?

Best regards,
Andrej

--=20
_____________________________________________________________
    prof. dr. Andrej Filipcic,   E-mail: Andrej.Filipcic@ijs.si
    Department of Experimental High Energy Physics - F9
    Jozef Stefan Institute, Jamova 39, P.o.Box 3000
    SI-1001 Ljubljana, Slovenia
    Tel.: +386-1-477-3674    Fax: +386-1-477-3166
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