From: Dave Jones <davej@redhat.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Linux Kernel <linux-kernel@vger.kernel.org>,
Al Viro <viro@zeniv.linux.org.uk>
Subject: Re: BUG_ON(nd->inode != parent->d_inode);
Date: Fri, 8 Mar 2013 18:47:14 -0500 [thread overview]
Message-ID: <20130308234714.GA4642@redhat.com> (raw)
In-Reply-To: <CA+55aFw=v3uBZUfzUePThL_=+qteoTqg20_ZumaDkCvX90AzkQ@mail.gmail.com>
On Fri, Mar 08, 2013 at 03:28:01PM -0800, Linus Torvalds wrote:
> Oh, btw, I'm assuming you're testing current git like you usually do.
>
> If so, just to humor me, can you try plain 3.8 (or 3.8.2 or whatever
> the current stable kernel is). Because while the oopses may be due to
> your extensions to trinity, let's make sure. Maybe something bad
> happened in the merge window, and we're just wasting time trying to
> figure it out, when it could be just bisected...
>
> The pipe and symlink BUG_ON() bugs you've found are likely real and
> old, so keep the patches for those around, but let's just verify that
> the BUG_ON(nd->inode != parent->d_inode);" is old too.
>
> I suspect it's a real and old bug, and that you'll be able to recreate
> it with the stable kernels too, but just to make sure..
>
> Linus
That didn't take long..
[ 163.807774] kernel BUG at fs/namei.c:1446!
[ 163.807837] invalid opcode: 0000 [#1] SMP
[ 163.807910] Modules linked in: ipt_ULOG af_key irda crc_ccitt nfc pppoe pppox ppp_generic slhc atm lockd sunrpc ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_conntrack nf_conntrack ip6table_filter ip6_tables snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep btusb snd_seq snd_seq_device snd_pcm bluetooth ppdev snd_page_alloc rfkill microcode usb_debug serio_raw k10temp edac_core edac_mce_amd snd_timer sp5100_tco snd soundcore i2c_piix4 r8169 lm63 mii parport_pc parport vhost_net tun macvtap macvlan kvm_amd kvm ata_generic pata_acpi firewire_ohci firewire_core pata_atiixp crc_itu_t radeon i2c_algo_bit drm_kms_helper ttm drm i2c_core wmi
[ 163.809090] CPU 1
[ 163.809126] Pid: 5831, comm: trinity-child1 Not tainted 3.8.1-201.fc18.x86_64.debug #1 Gigabyte Technology Co., Ltd. GA-MA78GM-S2H/GA-MA78GM-S2H
[ 163.809303] RIP: 0010:[<ffffffff8171232d>] [<ffffffff8171232d>] lookup_slow+0x25/0xad
[ 163.809424] RSP: 0018:ffff8800cf895d08 EFLAGS: 00010212
[ 163.809499] RAX: ffff8801129db790 RBX: ffff8800cf895e48 RCX: 00000000000002e0
[ 163.809595] RDX: ffff8800cf895d98 RSI: ffff8800cf895e58 RDI: ffff8800cf895e48
[ 163.809691] RBP: ffff8800cf895d38 R08: 0000000000000001 R09: 0000000000000001
[ 163.809787] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000010
[ 163.809883] R13: ffff8800cf4e46f0 R14: 00000000ffffff9c R15: ffff8800cf895e48
[ 163.809981] FS: 00007f2416788740(0000) GS:ffff88012a800000(0000) knlGS:0000000000000000
[ 163.810091] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 163.810170] CR2: 0000000002222000 CR3: 0000000036eda000 CR4: 00000000000007e0
[ 163.810269] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 163.810367] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 163.810464] Process trinity-child1 (pid: 5831, threadinfo ffff8800cf894000, task ffff880111ff8000)
[ 163.810582] Stack:
[ 163.810614] ffffea000324ac00 0000000000000000 0000000000000001 0000000000000010
[ 163.810737] 0000000000000000 00000000ffffff9c ffff8800cf895de8 ffffffff811e8ced
[ 163.810859] 0000000000000000 ffffffff81a0bb2c ffff8800cf895d88 00000000000000d0
[ 163.810982] Call Trace:
[ 163.811026] [<ffffffff811e8ced>] path_lookupat+0x74d/0x770
[ 163.811108] [<ffffffff811bcfe8>] ? kmem_cache_alloc+0xe8/0x350
[ 163.811195] [<ffffffff810d69cf>] ? lock_release_holdtime.part.26+0xf/0x180
[ 163.811294] [<ffffffff811e8d44>] filename_lookup+0x34/0xc0
[ 163.811374] [<ffffffff811ebb9e>] user_path_at_empty+0x8e/0x110
[ 163.811507] [<ffffffff81021e49>] ? sched_clock+0x9/0x10
[ 163.811586] [<ffffffff810ae555>] ? sched_clock_cpu+0xc5/0x120
[ 163.811694] [<ffffffff810d606d>] ? trace_hardirqs_off+0xd/0x10
[ 163.811779] [<ffffffff810ae61f>] ? local_clock+0x6f/0x80
[ 163.811857] [<ffffffff811ebc31>] user_path_at+0x11/0x20
[ 163.811935] [<ffffffff81203e58>] sys_lgetxattr+0x38/0x90
[ 163.812014] [<ffffffff81724799>] system_call_fastpath+0x16/0x1b
[ 163.812096] Code: 55 48 89 e5 0f 0b 66 66 66 66 90 55 48 89 e5 41 56 41 55 41 54 53 48 89 fb 48 83 ec 10 4c 8b 6f 08 48 8b 47 30 49 3b 45 30 74 02 <0f> 0b 48 8d b8 e8 00 00 00 49 89 f6 31 f6 49 89 d4 e8 3d 4d 00
[ 163.812748] RIP [<ffffffff8171232d>] lookup_slow+0x25/0xad
[ 163.812833] RSP <ffff8800cf895d08>
[ 163.813040] ---[ end trace f67521cc7acbb145 ]---
next prev parent reply other threads:[~2013-03-08 23:47 UTC|newest]
Thread overview: 99+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-07 2:16 BUG_ON(nd->inode != parent->d_inode); Dave Jones
2013-03-07 15:30 ` BUG_ON(nd->inode->i_op->follow_link); Dave Jones
2013-03-07 17:30 ` BUG_ON(nd->inode->i_op->follow_link); Linus Torvalds
2013-03-07 19:35 ` BUG_ON(nd->inode->i_op->follow_link); Dave Jones
2013-03-07 20:33 ` BUG_ON(nd->inode->i_op->follow_link); Linus Torvalds
2013-03-07 21:38 ` ipc/testmsg GPF Dave Jones
2013-03-07 21:45 ` Linus Torvalds
2013-03-07 21:49 ` David Miller
2013-03-07 21:51 ` Linus Torvalds
2013-03-07 22:03 ` Dave Jones
2013-03-07 22:36 ` pipe_release oops Dave Jones
2013-03-07 23:14 ` fasync_remove_entry oops Dave Jones
2013-03-07 23:46 ` Linus Torvalds
2013-03-07 23:54 ` Dave Jones
2013-03-08 0:20 ` Dave Jones
2013-03-08 0:21 ` pipe_release oops Linus Torvalds
2013-03-08 14:53 ` Dave Jones
2013-03-08 18:30 ` Linus Torvalds
2013-03-08 18:26 ` Jörn Engel
2013-03-10 23:33 ` Al Viro
2013-03-12 19:09 ` Jörn Engel
2013-03-10 22:10 ` Al Viro
2013-03-11 0:35 ` Al Viro
2013-03-11 15:10 ` Linus Torvalds
2013-03-11 18:05 ` Al Viro
2013-03-12 13:06 ` Al Viro
2013-03-12 15:31 ` Linus Torvalds
2013-03-12 19:43 ` Al Viro
2013-03-12 19:56 ` Dave Jones
2013-03-12 20:09 ` Linus Torvalds
2013-03-12 20:51 ` Al Viro
2013-03-27 13:51 ` Yet another pipe related oops Dave Jones
2013-03-27 15:20 ` Al Viro
2013-03-27 16:33 ` Linus Torvalds
2013-03-27 16:53 ` Raymond Jennings
2013-03-27 17:45 ` Al Viro
2013-04-01 20:34 ` Al Viro
2013-04-01 21:00 ` Greg Kroah-Hartman
2013-04-01 21:21 ` Al Viro
2013-04-01 21:44 ` Greg Kroah-Hartman
2013-04-01 23:27 ` Al Viro
2013-04-02 0:22 ` Al Viro
2013-04-02 1:55 ` Greg Kroah-Hartman
2013-03-12 1:27 ` pipe_release oops Dave Jones
2013-03-09 0:27 ` ipc/testmsg GPF Peter Hurley
2013-03-09 0:32 ` Dave Jones
2013-03-11 18:26 ` Dave Jones
2013-03-11 19:03 ` Peter Hurley
2013-03-12 22:02 ` Andrew Morton
2013-03-12 22:33 ` Dave Jones
2013-03-15 21:21 ` Dave Jones
2013-03-25 16:37 ` Dave Jones
2013-03-25 18:28 ` Peter Hurley
2013-03-25 18:39 ` Dave Jones
2013-03-07 22:18 ` BUG_ON(nd->inode->i_op->follow_link); Dave Jones
2013-03-07 22:50 ` BUG_ON(nd->inode->i_op->follow_link); Linus Torvalds
2013-03-07 23:03 ` BUG_ON(nd->inode->i_op->follow_link); Dave Jones
2013-03-07 23:55 ` BUG_ON(nd->inode->i_op->follow_link); Linus Torvalds
2013-03-11 0:02 ` BUG_ON(nd->inode->i_op->follow_link); Al Viro
2013-03-10 23:04 ` BUG_ON(nd->inode->i_op->follow_link); Al Viro
2013-03-12 18:31 ` BUG_ON(nd->inode->i_op->follow_link); Linus Torvalds
2013-03-08 15:04 ` BUG_ON(nd->inode != parent->d_inode); Dave Jones
2013-03-08 18:51 ` Linus Torvalds
2013-03-08 19:18 ` Dave Jones
2013-03-08 19:20 ` Dave Jones
2013-03-08 19:36 ` Dave Jones
2013-03-08 19:47 ` Linus Torvalds
2013-03-08 21:04 ` Dave Jones
2013-03-08 22:41 ` Linus Torvalds
2013-03-08 23:07 ` Dave Jones
2013-03-08 23:14 ` Dave Jones
2013-03-08 23:20 ` Linus Torvalds
2013-03-08 23:28 ` Linus Torvalds
2013-03-08 23:34 ` Dave Jones
2013-03-08 23:47 ` Dave Jones [this message]
2013-03-08 23:51 ` Linus Torvalds
2013-03-08 23:30 ` Dave Jones
2013-03-08 23:45 ` Linus Torvalds
2013-03-08 23:55 ` Dave Jones
2013-03-09 0:02 ` Linus Torvalds
2013-03-09 0:19 ` Dave Jones
2013-03-09 0:29 ` Raymond Jennings
2013-03-09 0:36 ` Dave Jones
2013-03-09 1:18 ` Linus Torvalds
2013-03-09 2:03 ` Dave Jones
2013-03-09 2:08 ` Linus Torvalds
2013-03-09 2:26 ` Dave Jones
2013-03-09 2:56 ` Dave Jones
2013-03-09 2:57 ` Dave Jones
[not found] ` <CA+55aFxyOYXnzDoWr7Utr1QLjjMUCON5EGH3FMvGBHxnxMJmQQ@mail.gmail.com>
2013-03-09 3:25 ` Dave Jones
2013-03-09 3:38 ` Eric W. Biederman
2013-03-09 4:26 ` Dave Jones
2013-03-09 8:28 ` Eric W. Biederman
[not found] ` <CA+55aFweyfew3VU79ZQV4otJcWiF0=xKXxDtADXcccNxGaqMwA@mail.gmail.com>
2013-03-09 3:50 ` Dave Jones
2013-03-09 4:31 ` Linus Torvalds
2013-03-09 4:39 ` Dave Jones
2013-03-09 5:13 ` Sasha Levin
2013-03-09 5:16 ` Dave Jones
2013-03-09 3:27 ` Eric W. Biederman
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