From: Bart Van Assche <bart.vanassche@sandisk.com>
To: Theodore Ts'o <tytso@mit.edu>, Andreas Dilger <adilger.kernel@dilger.ca>
Cc: <linux-ext4@vger.kernel.org>
Subject: v4.4-rc3 ext4 memory leak
Date: Thu, 3 Dec 2015 14:21:31 -0800 [thread overview]
Message-ID: <5660C06B.4010003@sandisk.com> (raw)
Hello,
Running xfstests on top of an ext4 filesystem causes kmemleak to report
the following memory leak multiple times:
unreferenced object 0xffff880408709730 (size 96):
comm "fsstress", pid 35588, jiffies 4295006079 (age 11865.680s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 01 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<ffffffff8151056a>] kmemleak_alloc+0x7a/0xc0
[<ffffffff81165e6e>] __kmalloc+0xde/0x140
[<ffffffffa022472e>] ext4_find_extent+0x26e/0x310 [ext4]
[<ffffffffa0227f15>] ext4_insert_range+0x255/0x3c0 [ext4]
[<ffffffffa022aca1>] ext4_fallocate+0x1f1/0x210 [ext4]
[<ffffffff81175fb6>] vfs_fallocate+0x156/0x1e0
[<ffffffff8117608e>] SyS_fallocate+0x4e/0x80
[<ffffffff8151b617>] entry_SYSCALL_64_fastpath+0x12/0x6f
[<ffffffffffffffff>] 0xffffffffffffffff
Bart.
next reply other threads:[~2015-12-03 22:36 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-03 22:21 Bart Van Assche [this message]
2015-12-04 15:22 ` v4.4-rc3 ext4 memory leak Theodore Ts'o
2015-12-04 17:27 ` Bart Van Assche
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