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kmemleak: compress_004_pos #5244

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behlendorf opened this issue Oct 8, 2016 · 3 comments
Closed

kmemleak: compress_004_pos #5244

behlendorf opened this issue Oct 8, 2016 · 3 comments

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@behlendorf
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Detected by kmemleak while running compress_004_pos. Numerous objects were leaked.

unreferenced object 0xffff8806d7df7600 (size 168):
  comm "compress_004_po", pid 3076, jiffies 4296416537 (age 1962.388s)
  hex dump (first 32 bytes):
    01 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:
    [<ffffffff814faa78>] kmemleak_alloc+0x28/0x50
    [<ffffffff811c1b30>] kmem_cache_alloc+0xc0/0x230
    [<ffffffff8108e176>] prepare_creds+0x26/0xe0
    [<ffffffff8108e6bf>] prepare_exec_creds+0xf/0x40
    [<ffffffff811e6549>] prepare_bprm_creds+0x39/0x70
    [<ffffffff811e6657>] do_execveat_common.isra.33+0xd7/0x6e0
    [<ffffffff811e6eea>] SyS_execve+0x3a/0x50
    [<ffffffff815045d5>] return_from_execve+0x0/0x23
    [<ffffffffffffffff>] 0xffffffffffffffff
@behlendorf
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Closing. This issue was observed without the spl or zfs loaded and appears to be unrelated.

@tuxoko
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tuxoko commented Oct 24, 2016

This is a real leak in zpl_fallocate_common

@tuxoko tuxoko reopened this Oct 24, 2016
@tuxoko
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tuxoko commented Oct 24, 2016

#5330

tuxoko added a commit to tuxoko/zfs that referenced this issue Nov 11, 2016
@tuxoko
Fix cred leak in zpl_fallocate_common
76b41c6 
This is caught by kmemleak when running compress_004_pos

Reviewed-by: Tim Chase <tim@chase2k.com>
Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Chunwei Chen <david.chen@osnexus.com>
Closes openzfs#5244 
Closes openzfs#5330
@tuxoko tuxoko mentioned this issue Dec 1, 2016
Closed
behlendorf pushed a commit to behlendorf/zfs that referenced this issue Feb 2, 2017
@tuxoko @behlendorf
Fix cred leak in zpl_fallocate_common
98a20fd 
This is caught by kmemleak when running compress_004_pos

Reviewed-by: Tim Chase <tim@chase2k.com>
Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Chunwei Chen <david.chen@osnexus.com>
Closes openzfs#5244
Closes openzfs#5330
behlendorf pushed a commit to behlendorf/zfs that referenced this issue Feb 2, 2017
@tuxoko @behlendorf
Fix cred leak in zpl_fallocate_common
b6398c1 
This is caught by kmemleak when running compress_004_pos

Reviewed-by: Tim Chase <tim@chase2k.com>
Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Chunwei Chen <david.chen@osnexus.com>
Closes openzfs#5244
Closes openzfs#5330
behlendorf pushed a commit to behlendorf/zfs that referenced this issue Feb 2, 2017
@tuxoko @behlendorf
Fix cred leak in zpl_fallocate_common
332e9fe 
This is caught by kmemleak when running compress_004_pos

Reviewed-by: Tim Chase <tim@chase2k.com>
Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Chunwei Chen <david.chen@osnexus.com>
Closes openzfs#5244
Closes openzfs#5330
behlendorf pushed a commit to behlendorf/zfs that referenced this issue Feb 2, 2017
@tuxoko @behlendorf
Fix cred leak in zpl_fallocate_common
63273df 
This is caught by kmemleak when running compress_004_pos

Reviewed-by: Tim Chase <tim@chase2k.com>
Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Chunwei Chen <david.chen@osnexus.com>
Closes openzfs#5244
Closes openzfs#5330
behlendorf pushed a commit to behlendorf/zfs that referenced this issue Feb 2, 2017
@tuxoko @behlendorf
Fix cred leak in zpl_fallocate_common
1ad26cf 
This is caught by kmemleak when running compress_004_pos

Reviewed-by: Tim Chase <tim@chase2k.com>
Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Chunwei Chen <david.chen@osnexus.com>
Closes openzfs#5244
Closes openzfs#5330
behlendorf pushed a commit to behlendorf/zfs that referenced this issue Feb 2, 2017
@tuxoko @behlendorf
Fix cred leak in zpl_fallocate_common
8dbbabc 
This is caught by kmemleak when running compress_004_pos

Reviewed-by: Tim Chase <tim@chase2k.com>
Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Chunwei Chen <david.chen@osnexus.com>
Closes openzfs#5244
Closes openzfs#5330
Requires-builders: style
behlendorf pushed a commit that referenced this issue Feb 3, 2017
@tuxoko @behlendorf
Fix cred leak in zpl_fallocate_common
734e235 
This is caught by kmemleak when running compress_004_pos

Reviewed-by: Tim Chase <tim@chase2k.com>
Reviewed by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Chunwei Chen <david.chen@osnexus.com>
Closes #5244
Closes #5330
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@tuxoko @behlendorf