From: "Mkrtchyan, Tigran" <tigran.mkrtchyan@desy.de>
To: Olga Kornievskaia <aglo@umich.edu>
Cc: linux-nfs <linux-nfs@vger.kernel.org>,
trondmy <trondmy@hammerspace.com>,
Frank van der Linden <fllinden@amazon.com>
Subject: Re: Kernel OPS when using xattr
Date: Thu, 3 Dec 2020 16:43:12 +0100 (CET) [thread overview]
Message-ID: <1296195278.2032485.1607010192169.JavaMail.zimbra@desy.de> (raw)
In-Reply-To: <CAN-5tyEWYqXiqLdJE-DLH2b+LrVfPkviJDGQY=MyitS5aW4bJw@mail.gmail.com>
Hi Olga,
Franks patches are not applied. I will check with Trond's patch and
then will try those as well.
Regards,
Tigran.
----- Original Message -----
> From: "Olga Kornievskaia" <aglo@umich.edu>
> To: "Tigran Mkrtchyan" <tigran.mkrtchyan@desy.de>
> Cc: "linux-nfs" <linux-nfs@vger.kernel.org>, "trondmy" <trondmy@hammerspace.com>, "Frank van der Linden"
> <fllinden@amazon.com>
> Sent: Thursday, 3 December, 2020 15:07:55
> Subject: Re: Kernel OPS when using xattr
> On Thu, Dec 3, 2020 at 3:22 AM Mkrtchyan, Tigran
> <tigran.mkrtchyan@desy.de> wrote:
>>
>>
>> Dear NFS folk,
>>
>> this is I got while accessing xattrs over NFS with 5.10.0-rc6 kernel
>> from Trond's testing tree (8102e956f22e710eecb3913cdd236282213812cf).
>> The 5.9 kernel works as expected.
>
> Is that with Frank's getxattr patch?
> https://www.spinics.net/lists/linux-nfs/msg81183.html
>
>>
>> Tigran.
>>
>> [ 2803.765467] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver
>> Registering...
>> [59837.811426] general protection fault, probably for non-canonical address
>> 0x5088000000ffc: 0000 [#1] SMP PTI
>> [59837.811433] CPU: 3 PID: 3858 Comm: attr Not tainted 5.10.0-rc6+ #60
>> [59837.811435] Hardware name: Dell Inc. Latitude E6520/0J4TFW, BIOS A06
>> 07/11/2011
>> [59837.811442] RIP: 0010:__memmove+0xe2/0x1a0
>> [59837.811445] Code: 1f 84 00 00 00 00 00 90 48 83 fa 20 72 50 48 81 fa a8 02 00
>> 00 72 05 40 38 fe 74 bc 48 01 d6 48 01 d7 48 83 ea 20 48 83 ea 20 <4c> 8b 5e f8
>> 4c 8b 56 f0 4c 8b 4e e8 4c 8b 46 e0 48 8d 76 e0 4c 89
>> [59837.811447] RSP: 0018:ffffc90002b4f870 EFLAGS: 00010202
>> [59837.811451] RAX: 0005088000000004 RBX: 0000000000000000 RCX: 000000000000fffc
>> [59837.811453] RDX: 0000000000000fbc RSI: 0005088000000ffc RDI: 0005088000001000
>> [59837.811455] RBP: ffff88810be80000 R08: 0005088000000ffc R09: ffff888235aec550
>> [59837.811457] R10: 0000000000000356 R11: 000000000000016c R12: 0000000000000004
>> [59837.811459] R13: 000000000000fffc R14: ffff88810be80000 R15: ffffc90002b4fc58
>> [59837.811462] FS: 00007fd9303ff740(0000) GS:ffff888235ac0000(0000)
>> knlGS:0000000000000000
>> [59837.811465] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>> [59837.811467] CR2: 00007fd9305d2000 CR3: 000000011fc10005 CR4: 00000000000606e0
>> [59837.811469] Call Trace:
>> [59837.811505] _shift_data_right_pages+0x11e/0x150 [sunrpc]
>> [59837.811531] xdr_shrink_bufhead+0x151/0x170 [sunrpc]
>> [59837.811555] xdr_realign_pages+0x4c/0xa0 [sunrpc]
>> [59837.811578] xdr_align_pages+0x49/0x120 [sunrpc]
>> [59837.811601] xdr_read_pages+0x23/0xb0 [sunrpc]
>> [59837.811626] nfs4_xdr_dec_getxattr+0xfa/0x120 [nfsv4]
>> [59837.811643] call_decode+0x199/0x1f0 [sunrpc]
>> [59837.811659] ? rpc_decode_header+0x4e0/0x4e0 [sunrpc]
>> [59837.811678] __rpc_execute+0x71/0x420 [sunrpc]
>> [59837.811700] ? xprt_iter_default_rewind+0x10/0x10 [sunrpc]
>> [59837.811721] ? xprt_iter_get_next+0x4a/0x60 [sunrpc]
>> [59837.811737] rpc_run_task+0x14c/0x180 [sunrpc]
>> [59837.811756] nfs4_do_call_sync+0x6e/0xb0 [nfsv4]
>> [59837.811785] _nfs42_proc_getxattr+0xb7/0x170 [nfsv4]
>> [59837.811809] ? xprt_iter_get_next+0x4a/0x60 [sunrpc]
>> [59837.811830] nfs42_proc_getxattr+0x86/0xb0 [nfsv4]
>> [59837.811844] nfs4_xattr_get_nfs4_user+0xc9/0xe0 [nfsv4]
>> [59837.811849] vfs_getxattr+0x161/0x1a0
>> [59837.811852] getxattr+0x14f/0x230
>> [59837.811856] ? filename_lookup+0x123/0x1b0
>> [59837.811861] ? _cond_resched+0x16/0x40
>> [59837.811864] ? kmem_cache_alloc+0x3c4/0x4b0
>> [59837.811866] ? getname_flags.part.0+0x45/0x1a0
>> [59837.811869] path_getxattr+0x62/0xb0
>> [59837.811873] do_syscall_64+0x33/0x40
>> [59837.811876] entry_SYSCALL_64_after_hwframe+0x44/0xa9
>> [59837.811879] RIP: 0033:0x7fd93050162e
>> [59837.811883] Code: 48 8b 0d 4d 48 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f
>> 1f 84 00 00 00 00 00 90 f3 0f 1e fa 49 89 ca b8 c0 00 00 00 0f 05 <48> 3d 01 f0
>> ff ff 73 01 c3 48 8b 0d 1a 48 0c 00 f7 d8 64 89 01 48
>> [59837.811884] RSP: 002b:00007ffe178ad1c8 EFLAGS: 00000202 ORIG_RAX:
>> 00000000000000c0
>> [59837.811887] RAX: ffffffffffffffda RBX: 00007ffe178ad330 RCX: 00007fd93050162e
>> [59837.811889] RDX: 0000000000000000 RSI: 00007ffe178ad330 RDI: 00007ffe178bf525
>> [59837.811890] RBP: 0000000000000000 R08: 00007ffe178ad210 R09: 0000000000000000
>> [59837.811892] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
>> [59837.811894] R13: 00007ffe178ad210 R14: 00007ffe178bf525 R15: 0000000000000000
>> [59837.811896] Modules linked in: nfs_layout_flexfiles rpcsec_gss_krb5
>> auth_rpcgss nfsv4 dns_resolver nfs lockd grace nfs_ssc fscache
>> nf_conntrack_netbios_ns nf_conntrack_broadcast nft_ct nf_tables ebtable_nat
>> ebtable_broute ip6table_nat ip6table_mangle ip6table_raw ip6table_security
>> iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 iptable_mangle
>> iptable_raw iptable_security ip_set nfnetlink ebtable_filter ebtables
>> ip6table_filter ip6_tables sunrpc snd_hda_codec_idt snd_hda_codec_generic
>> ledtrig_audio nouveau i915 iwldvm mac80211 btrfs snd_hda_codec_hdmi
> > snd_hda_intel snd_intel_ds
next prev parent reply other threads:[~2020-12-03 15:43 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-03 8:20 Kernel OPS when using xattr Mkrtchyan, Tigran
2020-12-03 14:07 ` Olga Kornievskaia
2020-12-03 15:43 ` Mkrtchyan, Tigran [this message]
2020-12-03 16:18 ` Frank van der Linden
2020-12-03 16:36 ` Mkrtchyan, Tigran
2020-12-03 16:38 ` Mkrtchyan, Tigran
2020-12-03 16:57 ` Mkrtchyan, Tigran
2020-12-03 16:59 ` Chuck Lever
2020-12-03 15:07 ` Trond Myklebust
2020-12-03 16:04 ` Mkrtchyan, Tigran
2020-12-03 17:13 ` Trond Myklebust
2020-12-03 17:47 ` Frank van der Linden
2020-12-03 18:23 ` Trond Myklebust
2020-12-03 18:25 ` Frank van der Linden
2020-12-03 17:49 ` Mkrtchyan, Tigran
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