* [Bug 60121] New: -next and -mm: kmemleak reports 6 leaks in ext4_mount paths
@ 2013-06-25 18:25 bugzilla-daemon
2013-06-26 5:32 ` Dave Chinner
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: bugzilla-daemon @ 2013-06-25 18:25 UTC (permalink / raw)
To: linux-ext4
https://bugzilla.kernel.org/show_bug.cgi?id=60121
Summary: -next and -mm: kmemleak reports 6 leaks in ext4_mount
paths
Product: File System
Version: 2.5
Kernel Version: v3.10-rc6-684-g9dcc58c
Platform: All
OS/Version: Linux
Tree: -mm
Status: NEW
Severity: normal
Priority: P1
Component: ext4
AssignedTo: fs_ext4@kernel-bugs.osdl.org
ReportedBy: jmesmon@gmail.com
Regression: Yes
Created an attachment (id=106021)
--> (https://bugzilla.kernel.org/attachment.cgi?id=106021)
.config
In next-20130624, next-20130625 and mmotm (v3.10-rc6-684-g9dcc58c), kmemleak
complains about some ext4_mount related allocations.
----
# cat /sys/kernel/debug/kmemleak
unreferenced object 0xffff880002a6dd80 (size 256):
comm "swapper/0", pid 1, jiffies 4294892475 (age 33.128s)
hex dump (first 32 bytes):
00 00 00 00 ad 4e ad de ff ff ff ff 00 00 00 00 .....N..........
ff ff ff ff ff ff ff ff 0c 0d 36 82 ff ff ff ff ..........6.....
backtrace:
[<ffffffff813adfc1>] kmemleak_alloc+0x21/0x50
[<ffffffff810e7b43>] __kmalloc+0x103/0x460
[<ffffffff810cdd81>] list_lru_init+0x21/0xb0
[<ffffffff810f36b5>] sget+0x305/0x670
[<ffffffff810f463a>] mount_bdev+0xba/0x1e0
[<ffffffff81175460>] ext4_mount+0x10/0x20
[<ffffffff810f4950>] mount_fs+0x10/0xc0
[<ffffffff81111c5a>] vfs_kern_mount+0x5a/0xf0
[<ffffffff811133ca>] do_mount+0x1da/0x9d0
[<ffffffff81113c3e>] SyS_mount+0x7e/0xc0
[<ffffffff8184c245>] mount_block_root+0x104/0x223
[<ffffffff8184c455>] mount_root+0xf1/0xfa
[<ffffffff8184c58e>] prepare_namespace+0x130/0x168
[<ffffffff8184bff8>] kernel_init_freeable+0x185/0x192
[<ffffffff813ab7f9>] kernel_init+0x9/0x180
[<ffffffff813c963c>] ret_from_fork+0x7c/0xb0
unreferenced object 0xffff880002a6d980 (size 256):
comm "swapper/0", pid 1, jiffies 4294892475 (age 33.128s)
hex dump (first 32 bytes):
00 00 00 00 ad 4e ad de ff ff ff ff 00 00 00 00 .....N..........
ff ff ff ff ff ff ff ff 0c 0d 36 82 ff ff ff ff ..........6.....
backtrace:
[<ffffffff813adfc1>] kmemleak_alloc+0x21/0x50
[<ffffffff810e7b43>] __kmalloc+0x103/0x460
[<ffffffff810cdd81>] list_lru_init+0x21/0xb0
[<ffffffff810f36c9>] sget+0x319/0x670
[<ffffffff810f463a>] mount_bdev+0xba/0x1e0
[<ffffffff81175460>] ext4_mount+0x10/0x20
[<ffffffff810f4950>] mount_fs+0x10/0xc0
[<ffffffff81111c5a>] vfs_kern_mount+0x5a/0xf0
[<ffffffff811133ca>] do_mount+0x1da/0x9d0
[<ffffffff81113c3e>] SyS_mount+0x7e/0xc0
[<ffffffff8184c245>] mount_block_root+0x104/0x223
[<ffffffff8184c455>] mount_root+0xf1/0xfa
[<ffffffff8184c58e>] prepare_namespace+0x130/0x168
[<ffffffff8184bff8>] kernel_init_freeable+0x185/0x192
[<ffffffff813ab7f9>] kernel_init+0x9/0x180
[<ffffffff813c963c>] ret_from_fork+0x7c/0xb0
unreferenced object 0xffff880002a7a7a0 (size 32):
comm "swapper/0", pid 1, jiffies 4294892475 (age 33.128s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffff813adfc1>] kmemleak_alloc+0x21/0x50
[<ffffffff810e7b43>] __kmalloc+0x103/0x460
[<ffffffff810c091e>] register_shrinker+0x7e/0xa0
[<ffffffff810f394e>] sget+0x59e/0x670
[<ffffffff810f463a>] mount_bdev+0xba/0x1e0
[<ffffffff81175460>] ext4_mount+0x10/0x20
[<ffffffff810f4950>] mount_fs+0x10/0xc0
[<ffffffff81111c5a>] vfs_kern_mount+0x5a/0xf0
[<ffffffff811133ca>] do_mount+0x1da/0x9d0
[<ffffffff81113c3e>] SyS_mount+0x7e/0xc0
[<ffffffff8184c245>] mount_block_root+0x104/0x223
[<ffffffff8184c455>] mount_root+0xf1/0xfa
[<ffffffff8184c58e>] prepare_namespace+0x130/0x168
[<ffffffff8184bff8>] kernel_init_freeable+0x185/0x192
[<ffffffff813ab7f9>] kernel_init+0x9/0x180
[<ffffffff813c963c>] ret_from_fork+0x7c/0xb0
unreferenced object 0xffff88000692b1c0 (size 256):
comm "swapper/0", pid 1, jiffies 4294892648 (age 32.500s)
hex dump (first 32 bytes):
00 00 00 00 ad 4e ad de ff ff ff ff 00 00 00 00 .....N..........
ff ff ff ff ff ff ff ff 0c 0d 36 82 ff ff ff ff ..........6.....
backtrace:
[<ffffffff813adfc1>] kmemleak_alloc+0x21/0x50
[<ffffffff810e7b43>] __kmalloc+0x103/0x460
[<ffffffff810cdd81>] list_lru_init+0x21/0xb0
[<ffffffff810f36b5>] sget+0x305/0x670
[<ffffffff810f463a>] mount_bdev+0xba/0x1e0
[<ffffffff81175460>] ext4_mount+0x10/0x20
[<ffffffff810f4950>] mount_fs+0x10/0xc0
[<ffffffff81111c5a>] vfs_kern_mount+0x5a/0xf0
[<ffffffff811133ca>] do_mount+0x1da/0x9d0
[<ffffffff81113c3e>] SyS_mount+0x7e/0xc0
[<ffffffff8184c245>] mount_block_root+0x104/0x223
[<ffffffff8184c455>] mount_root+0xf1/0xfa
[<ffffffff8184c58e>] prepare_namespace+0x130/0x168
[<ffffffff8184bff8>] kernel_init_freeable+0x185/0x192
[<ffffffff813ab7f9>] kernel_init+0x9/0x180
[<ffffffff813c963c>] ret_from_fork+0x7c/0xb0
unreferenced object 0xffff88000692b2c0 (size 256):
comm "swapper/0", pid 1, jiffies 4294892648 (age 32.500s)
hex dump (first 32 bytes):
00 00 00 00 ad 4e ad de ff ff ff ff 00 00 00 00 .....N..........
ff ff ff ff ff ff ff ff 0c 0d 36 82 ff ff ff ff ..........6.....
backtrace:
[<ffffffff813adfc1>] kmemleak_alloc+0x21/0x50
[<ffffffff810e7b43>] __kmalloc+0x103/0x460
[<ffffffff810cdd81>] list_lru_init+0x21/0xb0
[<ffffffff810f36c9>] sget+0x319/0x670
[<ffffffff810f463a>] mount_bdev+0xba/0x1e0
[<ffffffff81175460>] ext4_mount+0x10/0x20
[<ffffffff810f4950>] mount_fs+0x10/0xc0
[<ffffffff81111c5a>] vfs_kern_mount+0x5a/0xf0
[<ffffffff811133ca>] do_mount+0x1da/0x9d0
[<ffffffff81113c3e>] SyS_mount+0x7e/0xc0
[<ffffffff8184c245>] mount_block_root+0x104/0x223
[<ffffffff8184c455>] mount_root+0xf1/0xfa
[<ffffffff8184c58e>] prepare_namespace+0x130/0x168
[<ffffffff8184bff8>] kernel_init_freeable+0x185/0x192
[<ffffffff813ab7f9>] kernel_init+0x9/0x180
[<ffffffff813c963c>] ret_from_fork+0x7c/0xb0
unreferenced object 0xffff880006916780 (size 32):
comm "swapper/0", pid 1, jiffies 4294892648 (age 32.500s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffff813adfc1>] kmemleak_alloc+0x21/0x50
[<ffffffff810e7b43>] __kmalloc+0x103/0x460
[<ffffffff810c091e>] register_shrinker+0x7e/0xa0
[<ffffffff810f394e>] sget+0x59e/0x670
[<ffffffff810f463a>] mount_bdev+0xba/0x1e0
[<ffffffff81175460>] ext4_mount+0x10/0x20
[<ffffffff810f4950>] mount_fs+0x10/0xc0
[<ffffffff81111c5a>] vfs_kern_mount+0x5a/0xf0
[<ffffffff811133ca>] do_mount+0x1da/0x9d0
[<ffffffff81113c3e>] SyS_mount+0x7e/0xc0
[<ffffffff8184c245>] mount_block_root+0x104/0x223
[<ffffffff8184c455>] mount_root+0xf1/0xfa
[<ffffffff8184c58e>] prepare_namespace+0x130/0x168
[<ffffffff8184bff8>] kernel_init_freeable+0x185/0x192
[<ffffffff813ab7f9>] kernel_init+0x9/0x180
[<ffffffff813c963c>] ret_from_fork+0x7c/0xb0
#
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* Re: [Bug 60121] New: -next and -mm: kmemleak reports 6 leaks in ext4_mount paths
2013-06-25 18:25 [Bug 60121] New: -next and -mm: kmemleak reports 6 leaks in ext4_mount paths bugzilla-daemon
@ 2013-06-26 5:32 ` Dave Chinner
2013-06-26 5:32 ` [Bug 60121] " bugzilla-daemon
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: Dave Chinner @ 2013-06-26 5:32 UTC (permalink / raw)
To: bugzilla-daemon; +Cc: linux-ext4
On Tue, Jun 25, 2013 at 06:25:04PM +0000, bugzilla-daemon@bugzilla.kernel.org wrote:
> https://bugzilla.kernel.org/show_bug.cgi?id=60121
>
> Summary: -next and -mm: kmemleak reports 6 leaks in ext4_mount
> paths
> Product: File System
> Version: 2.5
> Kernel Version: v3.10-rc6-684-g9dcc58c
> Platform: All
> OS/Version: Linux
> Tree: -mm
> Status: NEW
> Severity: normal
> Priority: P1
> Component: ext4
> AssignedTo: fs_ext4@kernel-bugs.osdl.org
> ReportedBy: jmesmon@gmail.com
> Regression: Yes
>
>
> Created an attachment (id=106021)
> --> (https://bugzilla.kernel.org/attachment.cgi?id=106021)
> .config
>
> In next-20130624, next-20130625 and mmotm (v3.10-rc6-684-g9dcc58c), kmemleak
> complains about some ext4_mount related allocations.
Has nothing to do with ext4, and fixes are already on the way to -mm
and -next. Thread here:
http://marc.info/?l=linux-fsdevel&m=137154854120579&w=2
Cheers,
Dave.
--
Dave Chinner
david@fromorbit.com
^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug 60121] -next and -mm: kmemleak reports 6 leaks in ext4_mount paths
2013-06-25 18:25 [Bug 60121] New: -next and -mm: kmemleak reports 6 leaks in ext4_mount paths bugzilla-daemon
2013-06-26 5:32 ` Dave Chinner
@ 2013-06-26 5:32 ` bugzilla-daemon
2013-11-13 19:45 ` bugzilla-daemon
2013-11-13 19:46 ` bugzilla-daemon
3 siblings, 0 replies; 5+ messages in thread
From: bugzilla-daemon @ 2013-06-26 5:32 UTC (permalink / raw)
To: linux-ext4
https://bugzilla.kernel.org/show_bug.cgi?id=60121
--- Comment #1 from Dave Chinner <david@fromorbit.com> 2013-06-26 05:32:33 ---
On Tue, Jun 25, 2013 at 06:25:04PM +0000, bugzilla-daemon@bugzilla.kernel.org
wrote:
> https://bugzilla.kernel.org/show_bug.cgi?id=60121
>
> Summary: -next and -mm: kmemleak reports 6 leaks in ext4_mount
> paths
> Product: File System
> Version: 2.5
> Kernel Version: v3.10-rc6-684-g9dcc58c
> Platform: All
> OS/Version: Linux
> Tree: -mm
> Status: NEW
> Severity: normal
> Priority: P1
> Component: ext4
> AssignedTo: fs_ext4@kernel-bugs.osdl.org
> ReportedBy: jmesmon@gmail.com
> Regression: Yes
>
>
> Created an attachment (id=106021)
--> (https://bugzilla.kernel.org/attachment.cgi?id=106021)
> --> (https://bugzilla.kernel.org/attachment.cgi?id=106021)
> .config
>
> In next-20130624, next-20130625 and mmotm (v3.10-rc6-684-g9dcc58c), kmemleak
> complains about some ext4_mount related allocations.
Has nothing to do with ext4, and fixes are already on the way to -mm
and -next. Thread here:
http://marc.info/?l=linux-fsdevel&m=137154854120579&w=2
Cheers,
Dave.
--
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* [Bug 60121] -next and -mm: kmemleak reports 6 leaks in ext4_mount paths
2013-06-25 18:25 [Bug 60121] New: -next and -mm: kmemleak reports 6 leaks in ext4_mount paths bugzilla-daemon
2013-06-26 5:32 ` Dave Chinner
2013-06-26 5:32 ` [Bug 60121] " bugzilla-daemon
@ 2013-11-13 19:45 ` bugzilla-daemon
2013-11-13 19:46 ` bugzilla-daemon
3 siblings, 0 replies; 5+ messages in thread
From: bugzilla-daemon @ 2013-11-13 19:45 UTC (permalink / raw)
To: linux-ext4
https://bugzilla.kernel.org/show_bug.cgi?id=60121
Alan <alan@lxorguk.ukuu.org.uk> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |alan@lxorguk.ukuu.org.uk
Resolution|--- |CODE_FIX
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* [Bug 60121] -next and -mm: kmemleak reports 6 leaks in ext4_mount paths
2013-06-25 18:25 [Bug 60121] New: -next and -mm: kmemleak reports 6 leaks in ext4_mount paths bugzilla-daemon
` (2 preceding siblings ...)
2013-11-13 19:45 ` bugzilla-daemon
@ 2013-11-13 19:46 ` bugzilla-daemon
3 siblings, 0 replies; 5+ messages in thread
From: bugzilla-daemon @ 2013-11-13 19:46 UTC (permalink / raw)
To: linux-ext4
https://bugzilla.kernel.org/show_bug.cgi?id=60121
Alan <alan@lxorguk.ukuu.org.uk> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |CLOSED
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2013-06-25 18:25 [Bug 60121] New: -next and -mm: kmemleak reports 6 leaks in ext4_mount paths bugzilla-daemon
2013-06-26 5:32 ` Dave Chinner
2013-06-26 5:32 ` [Bug 60121] " bugzilla-daemon
2013-11-13 19:45 ` bugzilla-daemon
2013-11-13 19:46 ` bugzilla-daemon
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