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2e6edc9538
Fix use after free crashes like the following: general protection fault: 0000 [#1] SMP Call Trace: [<ffffffffa0050216>] ? pmem_do_bvec.isra.12+0xa6/0xf0 [nd_pmem] [<ffffffffa0050ba2>] pmem_rw_page+0x42/0x80 [nd_pmem] [<ffffffff8128fd90>] bdev_read_page+0x50/0x60 [<ffffffff812972f0>] do_mpage_readpage+0x510/0x770 [<ffffffff8128fd20>] ? I_BDEV+0x20/0x20 [<ffffffff811d86dc>] ? lru_cache_add+0x1c/0x50 [<ffffffff81297657>] mpage_readpages+0x107/0x170 [<ffffffff8128fd20>] ? I_BDEV+0x20/0x20 [<ffffffff8128fd20>] ? I_BDEV+0x20/0x20 [<ffffffff8129058d>] blkdev_readpages+0x1d/0x20 [<ffffffff811d615f>] __do_page_cache_readahead+0x28f/0x310 [<ffffffff811d6039>] ? __do_page_cache_readahead+0x169/0x310 [<ffffffff811c5abd>] ? pagecache_get_page+0x2d/0x1d0 [<ffffffff811c76f6>] filemap_fault+0x396/0x530 [<ffffffff811f816e>] __do_fault+0x4e/0xf0 [<ffffffff811fce7d>] handle_mm_fault+0x11bd/0x1b50 Cc: <stable@vger.kernel.org> Cc: Jens Axboe <axboe@fb.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Reported-by: kbuild test robot <lkp@intel.com> Acked-by: Matthew Wilcox <willy@linux.intel.com> [willy: symmetry fixups] Signed-off-by: Dan Williams <dan.j.williams@intel.com> |
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.. | ||
partitions | ||
bio-integrity.c | ||
bio.c | ||
blk-cgroup.c | ||
blk-core.c | ||
blk-exec.c | ||
blk-flush.c | ||
blk-integrity.c | ||
blk-ioc.c | ||
blk-iopoll.c | ||
blk-lib.c | ||
blk-map.c | ||
blk-merge.c | ||
blk-mq-cpu.c | ||
blk-mq-cpumap.c | ||
blk-mq-sysfs.c | ||
blk-mq-tag.c | ||
blk-mq-tag.h | ||
blk-mq.c | ||
blk-mq.h | ||
blk-settings.c | ||
blk-softirq.c | ||
blk-sysfs.c | ||
blk-tag.c | ||
blk-throttle.c | ||
blk-timeout.c | ||
blk.h | ||
bounce.c | ||
bsg-lib.c | ||
bsg.c | ||
cfq-iosched.c | ||
cmdline-parser.c | ||
compat_ioctl.c | ||
deadline-iosched.c | ||
elevator.c | ||
genhd.c | ||
ioctl.c | ||
ioprio.c | ||
Kconfig | ||
Kconfig.iosched | ||
Makefile | ||
noop-iosched.c | ||
partition-generic.c | ||
scsi_ioctl.c | ||
t10-pi.c |