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| author | Dmitry Monakhov <dmonakhov@openvz.org> | 2013-03-02 17:08:46 -0500 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2013-03-02 17:08:46 -0500 |
| commit | df05c1b85a88888b92725ef27ba70086f38fb083 (patch) | |
| tree | ba25e9388be51f30fd464eea4c6f4f50eb384080 /fs/ext4/super.c | |
| parent | 1ac6466f253ef7bd063b7877fb056afe1820841c (diff) | |
| download | linux-stable-df05c1b85a88888b92725ef27ba70086f38fb083.tar.gz linux-stable-df05c1b85a88888b92725ef27ba70086f38fb083.tar.bz2 linux-stable-df05c1b85a88888b92725ef27ba70086f38fb083.zip | |
jbd2: fix ERR_PTR dereference in jbd2__journal_start
If start_this_handle() failed handle will be initialized
to ERR_PTR() and can not be dereferenced.
paging request at fffffffffffffff6
IP: [<ffffffff813c073f>] jbd2__journal_start+0x18f/0x290
PGD 200e067 PUD 200f067 PMD 0
Oops: 0000 [#1] SMP
Modules linked in: cpufreq_ondemand acpi_cpufreq freq_table mperf coretemp kvm_intel kvm crc32c_intel ghash_clmulni_intel microcode sg xhci_hcd button sd_mod crc_t10dif aesni_intel ablk_helper cryptd lrw aes_x86_64 xts gf128mul ahci libahci pata_acpi ata_generic dm_mirror dm_region_hash dm_log dm_mod
CPU 0 journal commit I/O error
Pid: 2694, comm: fio Not tainted 3.8.0-rc3+ #79 /DQ67SW
RIP: 0010:[<ffffffff813c073f>] [<ffffffff813c073f>] jbd2__journal_start+0x18f/0x290
RSP: 0018:ffff880233b8ba58 EFLAGS: 00010292
RAX: 00000000ffffffe2 RBX: ffffffffffffffe2 RCX: 0000000000000006
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff82128f48
RBP: ffff880233b8ba98 R08: 0000000000000000 R09: ffff88021440a6e0
Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/super.c')
0 files changed, 0 insertions, 0 deletions