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Message-ID: <fb41d7c5-5bcf-f8df-65cc-32f2cdafaebf@nod.at>
Date: Wed, 4 Jan 2017 10:37:56 +0100
From: Richard Weinberger <richard@....at>
To: Peter Rosin <peda@...ntia.se>, linux-kernel@...r.kernel.org
Cc: Artem Bityutskiy <dedekind1@...il.com>,
Adrian Hunter <adrian.hunter@...el.com>,
David Gstir <david@...ma-star.at>,
linux-mtd@...ts.infradead.org
Subject: Re: [PATCH, REGRESSION] ubifs: fix unencrypted journal write
Peter,
Am 04.01.2017 um 09:38 schrieb Peter Rosin:
> Without this, I get the following on reboot:
>
> UBIFS error (ubi1:0 pid 703): ubifs_load_znode: bad target node (type 1) length (8240)
> UBIFS error (ubi1:0 pid 703): ubifs_load_znode: have to be in range of 48-4144
> UBIFS error (ubi1:0 pid 703): ubifs_load_znode: bad indexing node at LEB 13:11080, error 5
> magic 0x6101831
> crc 0xb1cb246f
> node_type 9 (indexing node)
> group_type 0 (no node group)
> sqnum 546
> len 128
> child_cnt 5
> level 0
> Branches:
> 0: LEB 14:72088 len 161 key (133, inode)
> 1: LEB 14:81120 len 160 key (134, inode)
> 2: LEB 20:26624 len 8240 key (134, data, 0)
> 3: LEB 14:81280 len 160 key (135, inode)
> 4: LEB 20:34864 len 8240 key (135, data, 0)
> UBIFS warning (ubi1:0 pid 703): ubifs_ro_mode.part.0: switched to read-only mode, error -22
> CPU: 0 PID: 703 Comm: mount Not tainted 4.9.0-next-20161213+ #1197
> Hardware name: Atmel SAMA5
> [<c010d2ac>] (unwind_backtrace) from [<c010b250>] (show_stack+0x10/0x14)
> [<c010b250>] (show_stack) from [<c024df94>] (ubifs_jnl_update+0x2e8/0x614)
> [<c024df94>] (ubifs_jnl_update) from [<c0254bf8>] (ubifs_mkdir+0x160/0x204)
> [<c0254bf8>] (ubifs_mkdir) from [<c01a6030>] (vfs_mkdir+0xb0/0x104)
> [<c01a6030>] (vfs_mkdir) from [<c0286070>] (ovl_create_real+0x118/0x248)
> [<c0286070>] (ovl_create_real) from [<c0283ed4>] (ovl_fill_super+0x994/0xaf4)
> [<c0283ed4>] (ovl_fill_super) from [<c019c394>] (mount_nodev+0x44/0x9c)
> [<c019c394>] (mount_nodev) from [<c019c4ac>] (mount_fs+0x14/0xa4)
> [<c019c4ac>] (mount_fs) from [<c01b5338>] (vfs_kern_mount+0x4c/0xd4)
> [<c01b5338>] (vfs_kern_mount) from [<c01b6b80>] (do_mount+0x154/0xac8)
> [<c01b6b80>] (do_mount) from [<c01b782c>] (SyS_mount+0x74/0x9c)
> [<c01b782c>] (SyS_mount) from [<c0107f80>] (ret_fast_syscall+0x0/0x3c)
> UBIFS error (ubi1:0 pid 703): ubifs_mkdir: cannot create directory, error -22
> overlayfs: failed to create directory /mnt/ovl/work/work (errno: 22); mounting read-only
>
> Fixes: 7799953b34d1 ("ubifs: Implement encrypt/decrypt for all IO")
> Signed-off-by: Peter Rosin <peda@...ntia.se>
Good catch!
I'm a bit astonished since I saw this bug a while ago and fixed it.
So, either I've reintroduced it again or my local fix didn't made it into my rebased/cleaned.
upstream series. :-(
Thanks,
//richard
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