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d13mr2909822ioo.135.1565730486477; Tue, 13 Aug 2019 14:08:06 -0700 (PDT) Date: Tue, 13 Aug 2019 14:08:06 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <00000000000075fa50059006098c@google.com> Subject: memory leak in bio_clone_fast From: syzbot To: akpm@linux-foundation.org, baijiaju1990@gmail.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, mhocko@suse.com, rppt@linux.ibm.com, syzkaller-bugs@googlegroups.com, willy@infradead.org Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hello, syzbot found the following crash on: HEAD commit: d45331b0 Linux 5.3-rc4 git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1651e6d2600000 kernel config: https://syzkaller.appspot.com/x/.config?x=6c5e70dcab57c6af dashboard link: https://syzkaller.appspot.com/bug?extid=0265846a0cb9a0547905 compiler: gcc (GCC) 9.0.0 20181231 (experimental) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12c9c336600000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1766156a600000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+0265846a0cb9a0547905@syzkaller.appspotmail.com executing program executing program executing program executing program BUG: memory leak unreferenced object 0xffff8881226da6c0 (size 192): comm "syz-executor332", pid 6977, jiffies 4294941214 (age 15.840s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 f0 bc 28 81 88 ff ff ...........(.... 01 c8 60 00 02 0b 00 00 00 00 00 00 00 00 00 00 ..`............. backtrace: [<00000000b06a638e>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000b06a638e>] slab_post_alloc_hook mm/slab.h:522 [inline] [<00000000b06a638e>] slab_alloc mm/slab.c:3319 [inline] [<00000000b06a638e>] kmem_cache_alloc+0x13f/0x2c0 mm/slab.c:3483 [<00000000950a289d>] mempool_alloc_slab+0x1e/0x30 mm/mempool.c:513 [<00000000bfcc27e2>] mempool_alloc+0x64/0x1b0 mm/mempool.c:393 [<00000000cdf95a4a>] bio_alloc_bioset+0x180/0x2c0 block/bio.c:477 [<00000000b239bb68>] bio_clone_fast+0x25/0x90 block/bio.c:609 [<000000005d58c2dc>] bio_split+0x4a/0xd0 block/bio.c:1856 [<00000000ab943734>] blk_bio_segment_split block/blk-merge.c:250 [inline] [<00000000ab943734>] __blk_queue_split+0x355/0x730 block/blk-merge.c:272 [<00000000e702c0ac>] blk_mq_make_request+0xb0/0x890 block/blk-mq.c:1943 [<000000003c89773a>] generic_make_request block/blk-core.c:1052 [inline] [<000000003c89773a>] generic_make_request+0xf6/0x4a0 block/blk-core.c:994 [<00000000a4dcaf78>] submit_bio+0x5a/0x1e0 block/blk-core.c:1163 [<000000003e1ce7f8>] __blkdev_direct_IO fs/block_dev.c:459 [inline] [<000000003e1ce7f8>] blkdev_direct_IO+0x2b3/0x6d0 fs/block_dev.c:515 [<0000000087ec76a4>] generic_file_direct_write+0xb0/0x1a0 mm/filemap.c:3230 [<00000000ff259b44>] __generic_file_write_iter+0xec/0x230 mm/filemap.c:3413 [<00000000223d9b6c>] blkdev_write_iter fs/block_dev.c:2026 [inline] [<00000000223d9b6c>] blkdev_write_iter+0xbe/0x160 fs/block_dev.c:2003 [<000000003c4a5c94>] call_write_iter include/linux/fs.h:1870 [inline] [<000000003c4a5c94>] aio_write+0x10b/0x1d0 fs/aio.c:1583 [<00000000581f0c84>] __io_submit_one fs/aio.c:1815 [inline] [<00000000581f0c84>] io_submit_one+0x59b/0xe50 fs/aio.c:1862 BUG: memory leak unreferenced object 0xffff8881226da600 (size 192): comm "syz-executor332", pid 6977, jiffies 4294941214 (age 15.840s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 f0 bc 28 81 88 ff ff ...........(.... 01 c8 60 00 02 0b 00 00 00 00 00 00 00 00 00 00 ..`............. backtrace: [<00000000b06a638e>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000b06a638e>] slab_post_alloc_hook mm/slab.h:522 [inline] [<00000000b06a638e>] slab_alloc mm/slab.c:3319 [inline] [<00000000b06a638e>] kmem_cache_alloc+0x13f/0x2c0 mm/slab.c:3483 [<00000000950a289d>] mempool_alloc_slab+0x1e/0x30 mm/mempool.c:513 [<00000000bfcc27e2>] mempool_alloc+0x64/0x1b0 mm/mempool.c:393 [<00000000cdf95a4a>] bio_alloc_bioset+0x180/0x2c0 block/bio.c:477 [<00000000b239bb68>] bio_clone_fast+0x25/0x90 block/bio.c:609 [<000000005d58c2dc>] bio_split+0x4a/0xd0 block/bio.c:1856 [<00000000ab943734>] blk_bio_segment_split block/blk-merge.c:250 [inline] [<00000000ab943734>] __blk_queue_split+0x355/0x730 block/blk-merge.c:272 [<00000000e702c0ac>] blk_mq_make_request+0xb0/0x890 block/blk-mq.c:1943 [<000000003c89773a>] generic_make_request block/blk-core.c:1052 [inline] [<000000003c89773a>] generic_make_request+0xf6/0x4a0 block/blk-core.c:994 [<00000000a4dcaf78>] submit_bio+0x5a/0x1e0 block/blk-core.c:1163 [<000000003e1ce7f8>] __blkdev_direct_IO fs/block_dev.c:459 [inline] [<000000003e1ce7f8>] blkdev_direct_IO+0x2b3/0x6d0 fs/block_dev.c:515 [<0000000087ec76a4>] generic_file_direct_write+0xb0/0x1a0 mm/filemap.c:3230 [<00000000ff259b44>] __generic_file_write_iter+0xec/0x230 mm/filemap.c:3413 [<00000000223d9b6c>] blkdev_write_iter fs/block_dev.c:2026 [inline] [<00000000223d9b6c>] blkdev_write_iter+0xbe/0x160 fs/block_dev.c:2003 [<000000003c4a5c94>] call_write_iter include/linux/fs.h:1870 [inline] [<000000003c4a5c94>] aio_write+0x10b/0x1d0 fs/aio.c:1583 [<00000000581f0c84>] __io_submit_one fs/aio.c:1815 [inline] [<00000000581f0c84>] io_submit_one+0x59b/0xe50 fs/aio.c:1862 BUG: memory leak unreferenced object 0xffff8881226da540 (size 192): comm "syz-executor332", pid 6977, jiffies 4294941214 (age 15.840s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 f0 bc 28 81 88 ff ff ...........(.... 01 c8 60 00 02 0b 00 00 00 00 00 00 00 00 00 00 ..`............. backtrace: [<00000000b06a638e>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000b06a638e>] slab_post_alloc_hook mm/slab.h:522 [inline] [<00000000b06a638e>] slab_alloc mm/slab.c:3319 [inline] [<00000000b06a638e>] kmem_cache_alloc+0x13f/0x2c0 mm/slab.c:3483 [<00000000950a289d>] mempool_alloc_slab+0x1e/0x30 mm/mempool.c:513 [<00000000bfcc27e2>] mempool_alloc+0x64/0x1b0 mm/mempool.c:393 [<00000000cdf95a4a>] bio_alloc_bioset+0x180/0x2c0 block/bio.c:477 [<00000000b239bb68>] bio_clone_fast+0x25/0x90 block/bio.c:609 [<000000005d58c2dc>] bio_split+0x4a/0xd0 block/bio.c:1856 [<00000000ab943734>] blk_bio_segment_split block/blk-merge.c:250 [inline] [<00000000ab943734>] __blk_queue_split+0x355/0x730 block/blk-merge.c:272 [<00000000e702c0ac>] blk_mq_make_request+0xb0/0x890 block/blk-mq.c:1943 [<000000003c89773a>] generic_make_request block/blk-core.c:1052 [inline] [<000000003c89773a>] generic_make_request+0xf6/0x4a0 block/blk-core.c:994 [<00000000a4dcaf78>] submit_bio+0x5a/0x1e0 block/blk-core.c:1163 [<000000003e1ce7f8>] __blkdev_direct_IO fs/block_dev.c:459 [inline] [<000000003e1ce7f8>] blkdev_direct_IO+0x2b3/0x6d0 fs/block_dev.c:515 [<0000000087ec76a4>] generic_file_direct_write+0xb0/0x1a0 mm/filemap.c:3230 [<00000000ff259b44>] __generic_file_write_iter+0xec/0x230 mm/filemap.c:3413 [<00000000223d9b6c>] blkdev_write_iter fs/block_dev.c:2026 [inline] [<00000000223d9b6c>] blkdev_write_iter+0xbe/0x160 fs/block_dev.c:2003 [<000000003c4a5c94>] call_write_iter include/linux/fs.h:1870 [inline] [<000000003c4a5c94>] aio_write+0x10b/0x1d0 fs/aio.c:1583 [<00000000581f0c84>] __io_submit_one fs/aio.c:1815 [inline] [<00000000581f0c84>] io_submit_one+0x59b/0xe50 fs/aio.c:1862 BUG: memory leak unreferenced object 0xffff8881226da6c0 (size 192): comm "syz-executor332", pid 6977, jiffies 4294941214 (age 16.750s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 f0 bc 28 81 88 ff ff ...........(.... 01 c8 60 00 02 0b 00 00 00 00 00 00 00 00 00 00 ..`............. backtrace: [<00000000b06a638e>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000b06a638e>] slab_post_alloc_hook mm/slab.h:522 [inline] [<00000000b06a638e>] slab_alloc mm/slab.c:3319 [inline] [<00000000b06a638e>] kmem_cache_alloc+0x13f/0x2c0 mm/slab.c:3483 [<00000000950a289d>] mempool_alloc_slab+0x1e/0x30 mm/mempool.c:513 [<00000000bfcc27e2>] mempool_alloc+0x64/0x1b0 mm/mempool.c:393 [<00000000cdf95a4a>] bio_alloc_bioset+0x180/0x2c0 block/bio.c:477 [<00000000b239bb68>] bio_clone_fast+0x25/0x90 block/bio.c:609 [<000000005d58c2dc>] bio_split+0x4a/0xd0 block/bio.c:1856 [<00000000ab943734>] blk_bio_segment_split block/blk-merge.c:250 [inline] [<00000000ab943734>] __blk_queue_split+0x355/0x730 block/blk-merge.c:272 [<00000000e702c0ac>] blk_mq_make_request+0xb0/0x890 block/blk-mq.c:1943 [<000000003c89773a>] generic_make_request block/blk-core.c:1052 [inline] [<000000003c89773a>] generic_make_request+0xf6/0x4a0 block/blk-core.c:994 [<00000000a4dcaf78>] submit_bio+0x5a/0x1e0 block/blk-core.c:1163 [<000000003e1ce7f8>] __blkdev_direct_IO fs/block_dev.c:459 [inline] [<000000003e1ce7f8>] blkdev_direct_IO+0x2b3/0x6d0 fs/block_dev.c:515 [<0000000087ec76a4>] generic_file_direct_write+0xb0/0x1a0 mm/filemap.c:3230 [<00000000ff259b44>] __generic_file_write_iter+0xec/0x230 mm/filemap.c:3413 [<00000000223d9b6c>] blkdev_write_iter fs/block_dev.c:2026 [inline] [<00000000223d9b6c>] blkdev_write_iter+0xbe/0x160 fs/block_dev.c:2003 [<000000003c4a5c94>] call_write_iter include/linux/fs.h:1870 [inline] [<000000003c4a5c94>] aio_write+0x10b/0x1d0 fs/aio.c:1583 [<00000000581f0c84>] __io_submit_one fs/aio.c:1815 [inline] [<00000000581f0c84>] io_submit_one+0x59b/0xe50 fs/aio.c:1862 BUG: memory leak unreferenced object 0xffff8881226da600 (size 192): comm "syz-executor332", pid 6977, jiffies 4294941214 (age 16.750s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 f0 bc 28 81 88 ff ff ...........(.... 01 c8 60 00 02 0b 00 00 00 00 00 00 00 00 00 00 ..`............. backtrace: [<00000000b06a638e>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000b06a638e>] slab_post_alloc_hook mm/slab.h:522 [inline] [<00000000b06a638e>] slab_alloc mm/slab.c:3319 [inline] [<00000000b06a638e>] kmem_cache_alloc+0x13f/0x2c0 mm/slab.c:3483 [<00000000950a289d>] mempool_alloc_slab+0x1e/0x30 mm/mempool.c:513 [<00000000bfcc27e2>] mempool_alloc+0x64/0x1b0 mm/mempool.c:393 [<00000000cdf95a4a>] bio_alloc_bioset+0x180/0x2c0 block/bio.c:477 [<00000000b239bb68>] bio_clone_fast+0x25/0x90 block/bio.c:609 [<000000005d58c2dc>] bio_split+0x4a/0xd0 block/bio.c:1856 [<00000000ab943734>] blk_bio_segment_split block/blk-merge.c:250 [inline] [<00000000ab943734>] __blk_queue_split+0x355/0x730 block/blk-merge.c:272 [<00000000e702c0ac>] blk_mq_make_request+0xb0/0x890 block/blk-mq.c:1943 [<000000003c89773a>] generic_make_request block/blk-core.c:1052 [inline] [<000000003c89773a>] generic_make_request+0xf6/0x4a0 block/blk-core.c:994 [<00000000a4dcaf78>] submit_bio+0x5a/0x1e0 block/blk-core.c:1163 [<000000003e1ce7f8>] __blkdev_direct_IO fs/block_dev.c:459 [inline] [<000000003e1ce7f8>] blkdev_direct_IO+0x2b3/0x6d0 fs/block_dev.c:515 [<0000000087ec76a4>] generic_file_direct_write+0xb0/0x1a0 mm/filemap.c:3230 [<00000000ff259b44>] __generic_file_write_iter+0xec/0x230 mm/filemap.c:3413 [<00000000223d9b6c>] blkdev_write_iter fs/block_dev.c:2026 [inline] [<00000000223d9b6c>] blkdev_write_iter+0xbe/0x160 fs/block_dev.c:2003 [<000000003c4a5c94>] call_write_iter include/linux/fs.h:1870 [inline] [<000000003c4a5c94>] aio_write+0x10b/0x1d0 fs/aio.c:1583 [<00000000581f0c84>] __io_submit_one fs/aio.c:1815 [inline] [<00000000581f0c84>] io_submit_one+0x59b/0xe50 fs/aio.c:1862 BUG: memory leak unreferenced object 0xffff8881226da540 (size 192): comm "syz-executor332", pid 6977, jiffies 4294941214 (age 16.750s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 f0 bc 28 81 88 ff ff ...........(.... 01 c8 60 00 02 0b 00 00 00 00 00 00 00 00 00 00 ..`............. backtrace: [<00000000b06a638e>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000b06a638e>] slab_post_alloc_hook mm/slab.h:522 [inline] [<00000000b06a638e>] slab_alloc mm/slab.c:3319 [inline] [<00000000b06a638e>] kmem_cache_alloc+0x13f/0x2c0 mm/slab.c:3483 [<00000000950a289d>] mempool_alloc_slab+0x1e/0x30 mm/mempool.c:513 [<00000000bfcc27e2>] mempool_alloc+0x64/0x1b0 mm/mempool.c:393 [<00000000cdf95a4a>] bio_alloc_bioset+0x180/0x2c0 block/bio.c:477 [<00000000b239bb68>] bio_clone_fast+0x25/0x90 block/bio.c:609 [<000000005d58c2dc>] bio_split+0x4a/0xd0 block/bio.c:1856 [<00000000ab943734>] blk_bio_segment_split block/blk-merge.c:250 [inline] [<00000000ab943734>] __blk_queue_split+0x355/0x730 block/blk-merge.c:272 [<00000000e702c0ac>] blk_mq_make_request+0xb0/0x890 block/blk-mq.c:1943 [<000000003c89773a>] generic_make_request block/blk-core.c:1052 [inline] [<000000003c89773a>] generic_make_request+0xf6/0x4a0 block/blk-core.c:994 [<00000000a4dcaf78>] submit_bio+0x5a/0x1e0 block/blk-core.c:1163 [<000000003e1ce7f8>] __blkdev_direct_IO fs/block_dev.c:459 [inline] [<000000003e1ce7f8>] blkdev_direct_IO+0x2b3/0x6d0 fs/block_dev.c:515 [<0000000087ec76a4>] generic_file_direct_write+0xb0/0x1a0 mm/filemap.c:3230 [<00000000ff259b44>] __generic_file_write_iter+0xec/0x230 mm/filemap.c:3413 [<00000000223d9b6c>] blkdev_write_iter fs/block_dev.c:2026 [inline] [<00000000223d9b6c>] blkdev_write_iter+0xbe/0x160 fs/block_dev.c:2003 [<000000003c4a5c94>] call_write_iter include/linux/fs.h:1870 [inline] [<000000003c4a5c94>] aio_write+0x10b/0x1d0 fs/aio.c:1583 [<00000000581f0c84>] __io_submit_one fs/aio.c:1815 [inline] [<00000000581f0c84>] io_submit_one+0x59b/0xe50 fs/aio.c:1862 BUG: memory leak unreferenced object 0xffff8881226da6c0 (size 192): comm "syz-executor332", pid 6977, jiffies 4294941214 (age 17.650s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 f0 bc 28 81 88 ff ff ...........(.... 01 c8 60 00 02 0b 00 00 00 00 00 00 00 00 00 00 ..`............. backtrace: [<00000000b06a638e>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000b06a638e>] slab_post_alloc_hook mm/slab.h:522 [inline] [<00000000b06a638e>] slab_alloc mm/slab.c:3319 [inline] [<00000000b06a638e>] kmem_cache_alloc+0x13f/0x2c0 mm/slab.c:3483 [<00000000950a289d>] mempool_alloc_slab+0x1e/0x30 mm/mempool.c:513 [<00000000bfcc27e2>] mempool_alloc+0x64/0x1b0 mm/mempool.c:393 [<00000000cdf95a4a>] bio_alloc_bioset+0x180/0x2c0 block/bio.c:477 [<00000000b239bb68>] bio_clone_fast+0x25/0x90 block/bio.c:609 [<000000005d58c2dc>] bio_split+0x4a/0xd0 block/bio.c:1856 [<00000000ab943734>] blk_bio_segment_split block/blk-merge.c:250 [inline] [<00000000ab943734>] __blk_queue_split+0x355/0x730 block/blk-merge.c:272 [<00000000e702c0ac>] blk_mq_make_request+0xb0/0x890 block/blk-mq.c:1943 [<000000003c89773a>] generic_make_request block/blk-core.c:1052 [inline] [<000000003c89773a>] generic_make_request+0xf6/0x4a0 block/blk-core.c:994 [<00000000a4dcaf78>] submit_bio+0x5a/0x1e0 block/blk-core.c:1163 [<000000003e1ce7f8>] __blkdev_direct_IO fs/block_dev.c:459 [inline] [<000000003e1ce7f8>] blkdev_direct_IO+0x2b3/0x6d0 fs/block_dev.c:515 [<0000000087ec76a4>] generic_file_direct_write+0xb0/0x1a0 mm/filemap.c:3230 [<00000000ff259b44>] __generic_file_write_iter+0xec/0x230 mm/filemap.c:3413 [<00000000223d9b6c>] blkdev_write_iter fs/block_dev.c:2026 [inline] [<00000000223d9b6c>] blkdev_write_iter+0xbe/0x160 fs/block_dev.c:2003 [<000000003c4a5c94>] call_write_iter include/linux/fs.h:1870 [inline] [<000000003c4a5c94>] aio_write+0x10b/0x1d0 fs/aio.c:1583 [<00000000581f0c84>] __io_submit_one fs/aio.c:1815 [inline] [<00000000581f0c84>] io_submit_one+0x59b/0xe50 fs/aio.c:1862 BUG: memory leak unreferenced object 0xffff8881226da600 (size 192): comm "syz-executor332", pid 6977, jiffies 4294941214 (age 17.650s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 f0 bc 28 81 88 ff ff ...........(.... 01 c8 60 00 02 0b 00 00 00 00 00 00 00 00 00 00 ..`............. backtrace: [<00000000b06a638e>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000b06a638e>] slab_post_alloc_hook mm/slab.h:522 [inline] [<00000000b06a638e>] slab_alloc mm/slab.c:3319 [inline] [<00000000b06a638e>] kmem_cache_alloc+0x13f/0x2c0 mm/slab.c:3483 [<00000000950a289d>] mempool_alloc_slab+0x1e/0x30 mm/mempool.c:513 [<00000000bfcc27e2>] mempool_alloc+0x64/0x1b0 mm/mempool.c:393 [<00000000cdf95a4a>] bio_alloc_bioset+0x180/0x2c0 block/bio.c:477 [<00000000b239bb68>] bio_clone_fast+0x25/0x90 block/bio.c:609 [<000000005d58c2dc>] bio_split+0x4a/0xd0 block/bio.c:1856 [<00000000ab943734>] blk_bio_segment_split block/blk-merge.c:250 [inline] [<00000000ab943734>] __blk_queue_split+0x355/0x730 block/blk-merge.c:272 [<00000000e702c0ac>] blk_mq_make_request+0xb0/0x890 block/blk-mq.c:1943 [<000000003c89773a>] generic_make_request block/blk-core.c:1052 [inline] [<000000003c89773a>] generic_make_request+0xf6/0x4a0 block/blk-core.c:994 [<00000000a4dcaf78>] submit_bio+0x5a/0x1e0 block/blk-core.c:1163 [<000000003e1ce7f8>] __blkdev_direct_IO fs/block_dev.c:459 [inline] [<000000003e1ce7f8>] blkdev_direct_IO+0x2b3/0x6d0 fs/block_dev.c:515 [<0000000087ec76a4>] generic_file_direct_write+0xb0/0x1a0 mm/filemap.c:3230 [<00000000ff259b44>] __generic_file_write_iter+0xec/0x230 mm/filemap.c:3413 [<00000000223d9b6c>] blkdev_write_iter fs/block_dev.c:2026 [inline] [<00000000223d9b6c>] blkdev_write_iter+0xbe/0x160 fs/block_dev.c:2003 [<000000003c4a5c94>] call_write_iter include/linux/fs.h:1870 [inline] [<000000003c4a5c94>] aio_write+0x10b/0x1d0 fs/aio.c:1583 [<00000000581f0c84>] __io_submit_one fs/aio.c:1815 [inline] [<00000000581f0c84>] io_submit_one+0x59b/0xe50 fs/aio.c:1862 BUG: memory leak unreferenced object 0xffff8881226da540 (size 192): comm "syz-executor332", pid 6977, jiffies 4294941214 (age 17.650s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 f0 bc 28 81 88 ff ff ...........(.... 01 c8 60 00 02 0b 00 00 00 00 00 00 00 00 00 00 ..`............. backtrace: [<00000000b06a638e>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000b06a638e>] slab_post_alloc_hook mm/slab.h:522 [inline] [<00000000b06a638e>] slab_alloc mm/slab.c:3319 [inline] [<00000000b06a638e>] kmem_cache_alloc+0x13f/0x2c0 mm/slab.c:3483 [<00000000950a289d>] mempool_alloc_slab+0x1e/0x30 mm/mempool.c:513 [<00000000bfcc27e2>] mempool_alloc+0x64/0x1b0 mm/mempool.c:393 [<00000000cdf95a4a>] bio_alloc_bioset+0x180/0x2c0 block/bio.c:477 [<00000000b239bb68>] bio_clone_fast+0x25/0x90 block/bio.c:609 [<000000005d58c2dc>] bio_split+0x4a/0xd0 block/bio.c:1856 [<00000000ab943734>] blk_bio_segment_split block/blk-merge.c:250 [inline] [<00000000ab943734>] __blk_queue_split+0x355/0x730 block/blk-merge.c:272 [<00000000e702c0ac>] blk_mq_make_request+0xb0/0x890 block/blk-mq.c:1943 [<000000003c89773a>] generic_make_request block/blk-core.c:1052 [inline] [<000000003c89773a>] generic_make_request+0xf6/0x4a0 block/blk-core.c:994 [<00000000a4dcaf78>] submit_bio+0x5a/0x1e0 block/blk-core.c:1163 [<000000003e1ce7f8>] __blkdev_direct_IO fs/block_dev.c:459 [inline] [<000000003e1ce7f8>] blkdev_direct_IO+0x2b3/0x6d0 fs/block_dev.c:515 [<0000000087ec76a4>] generic_file_direct_write+0xb0/0x1a0 mm/filemap.c:3230 [<00000000ff259b44>] __generic_file_write_iter+0xec/0x230 mm/filemap.c:3413 [<00000000223d9b6c>] blkdev_write_iter fs/block_dev.c:2026 [inline] [<00000000223d9b6c>] blkdev_write_iter+0xbe/0x160 fs/block_dev.c:2003 [<000000003c4a5c94>] call_write_iter include/linux/fs.h:1870 [inline] [<000000003c4a5c94>] aio_write+0x10b/0x1d0 fs/aio.c:1583 [<00000000581f0c84>] __io_submit_one fs/aio.c:1815 [inline] [<00000000581f0c84>] io_submit_one+0x59b/0xe50 fs/aio.c:1862 BUG: memory leak unreferenced object 0xffff8881226da6c0 (size 192): comm "syz-executor332", pid 6977, jiffies 4294941214 (age 18.550s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 f0 bc 28 81 88 ff ff ...........(.... 01 c8 60 00 02 0b 00 00 00 00 00 00 00 00 00 00 ..`............. backtrace: [<00000000b06a638e>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000b06a638e>] slab_post_alloc_hook mm/slab.h:522 [inline] [<00000000b06a638e>] slab_alloc mm/slab.c:3319 [inline] [<00000000b06a638e>] kmem_cache_alloc+0x13f/0x2c0 mm/slab.c:3483 [<00000000950a289d>] mempool_alloc_slab+0x1e/0x30 mm/mempool.c:513 [<00000000bfcc27e2>] mempool_alloc+0x64/0x1b0 mm/mempool.c:393 [<00000000cdf95a4a>] bio_alloc_bioset+0x180/0x2c0 block/bio.c:477 [<00000000b239bb68>] bio_clone_fast+0x25/0x90 block/bio.c:609 [<000000005d58c2dc>] bio_split+0x4a/0xd0 block/bio.c:1856 [<00000000ab943734>] blk_bio_segment_split block/blk-merge.c:250 [inline] [<00000000ab943734>] __blk_queue_split+0x355/0x730 block/blk-merge.c:272 [<00000000e702c0ac>] blk_mq_make_request+0xb0/0x890 block/blk-mq.c:1943 [<000000003c89773a>] generic_make_request block/blk-core.c:1052 [inline] [<000000003c89773a>] generic_make_request+0xf6/0x4a0 block/blk-core.c:994 [<00000000a4dcaf78>] submit_bio+0x5a/0x1e0 block/blk-core.c:1163 [<000000003e1ce7f8>] __blkdev_direct_IO fs/block_dev.c:459 [inline] [<000000003e1ce7f8>] blkdev_direct_IO+0x2b3/0x6d0 fs/block_dev.c:515 [<0000000087ec76a4>] generic_file_direct_write+0xb0/0x1a0 mm/filemap.c:3230 [<00000000ff259b44>] __generic_file_write_iter+0xec/0x230 mm/filemap.c:3413 [<00000000223d9b6c>] blkdev_write_iter fs/block_dev.c:2026 [inline] [<00000000223d9b6c>] blkdev_write_iter+0xbe/0x160 fs/block_dev.c:2003 [<000000003c4a5c94>] call_write_iter include/linux/fs.h:1870 [inline] [<000000003c4a5c94>] aio_write+0x10b/0x1d0 fs/aio.c:1583 [<00000000581f0c84>] __io_submit_one fs/aio.c:1815 [inline] [<00000000581f0c84>] io_submit_one+0x59b/0xe50 fs/aio.c:1862 BUG: memory leak unreferenced object 0xffff8881226da600 (size 192): comm "syz-executor332", pid 6977, jiffies 4294941214 (age 18.550s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 f0 bc 28 81 88 ff ff ...........(.... 01 c8 60 00 02 0b 00 00 00 00 00 00 00 00 00 00 ..`............. backtrace: [<00000000b06a638e>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000b06a638e>] slab_post_alloc_hook mm/slab.h:522 [inline] [<00000000b06a638e>] slab_alloc mm/slab.c:3319 [inline] [<00000000b06a638e>] kmem_cache_alloc+0x13f/0x2c0 mm/slab.c:3483 [<00000000950a289d>] mempool_alloc_slab+0x1e/0x30 mm/mempool.c:513 [<00000000bfcc27e2>] mempool_alloc+0x64/0x1b0 mm/mempool.c:393 [<00000000cdf95a4a>] bio_alloc_bioset+0x180/0x2c0 block/bio.c:477 [<00000000b239bb68>] bio_clone_fast+0x25/0x90 block/bio.c:609 [<000000005d58c2dc>] bio_split+0x4a/0xd0 block/bio.c:1856 [<00000000ab943734>] blk_bio_segment_split block/blk-merge.c:250 [inline] [<00000000ab943734>] __blk_queue_split+0x355/0x730 block/blk-merge.c:272 [<00000000e702c0ac>] blk_mq_make_request+0xb0/0x890 block/blk-mq.c:1943 [<000000003c89773a>] generic_make_request block/blk-core.c:1052 [inline] [<000000003c89773a>] generic_make_request+0xf6/0x4a0 block/blk-core.c:994 [<00000000a4dcaf78>] submit_bio+0x5a/0x1e0 block/blk-core.c:1163 [<000000003e1ce7f8>] __blkdev_direct_IO fs/block_dev.c:459 [inline] [<000000003e1ce7f8>] blkdev_direct_IO+0x2b3/0x6d0 fs/block_dev.c:515 [<0000000087ec76a4>] generic_file_direct_write+0xb0/0x1a0 mm/filemap.c:3230 [<00000000ff259b44>] __generic_file_write_iter+0xec/0x230 mm/filemap.c:3413 [<00000000223d9b6c>] blkdev_write_iter fs/block_dev.c:2026 [inline] [<00000000223d9b6c>] blkdev_write_iter+0xbe/0x160 fs/block_dev.c:2003 [<000000003c4a5c94>] call_write_iter include/linux/fs.h:1870 [inline] [<000000003c4a5c94>] aio_write+0x10b/0x1d0 fs/aio.c:1583 [<00000000581f0c84>] __io_submit_one fs/aio.c:1815 [inline] [<00000000581f0c84>] io_submit_one+0x59b/0xe50 fs/aio.c:1862 BUG: memory leak unreferenced object 0xffff8881226da540 (size 192): comm "syz-executor332", pid 6977, jiffies 4294941214 (age 18.550s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 f0 bc 28 81 88 ff ff ...........(.... 01 c8 60 00 02 0b 00 00 00 00 00 00 00 00 00 00 ..`............. backtrace: [<00000000b06a638e>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000b06a638e>] slab_post_alloc_hook mm/slab.h:522 [inline] [<00000000b06a638e>] slab_alloc mm/slab.c:3319 [inline] [<00000000b06a638e>] kmem_cache_alloc+0x13f/0x2c0 mm/slab.c:3483 [<00000000950a289d>] mempool_alloc_slab+0x1e/0x30 mm/mempool.c:513 [<00000000bfcc27e2>] mempool_alloc+0x64/0x1b0 mm/mempool.c:393 [<00000000cdf95a4a>] bio_alloc_bioset+0x180/0x2c0 block/bio.c:477 [<00000000b239bb68>] bio_clone_fast+0x25/0x90 block/bio.c:609 [<000000005d58c2dc>] bio_split+0x4a/0xd0 block/bio.c:1856 [<00000000ab943734>] blk_bio_segment_split block/blk-merge.c:250 [inline] [<00000000ab943734>] __blk_queue_split+0x355/0x730 block/blk-merge.c:272 [<00000000e702c0ac>] blk_mq_make_request+0xb0/0x890 block/blk-mq.c:1943 [<000000003c89773a>] generic_make_request block/blk-core.c:1052 [inline] [<000000003c89773a>] generic_make_request+0xf6/0x4a0 block/blk-core.c:994 [<00000000a4dcaf78>] submit_bio+0x5a/0x1e0 block/blk-core.c:1163 [<000000003e1ce7f8>] __blkdev_direct_IO fs/block_dev.c:459 [inline] [<000000003e1ce7f8>] blkdev_direct_IO+0x2b3/0x6d0 fs/block_dev.c:515 [<0000000087ec76a4>] generic_file_direct_write+0xb0/0x1a0 mm/filemap.c:3230 [<00000000ff259b44>] __generic_file_write_iter+0xec/0x230 mm/filemap.c:3413 [<00000000223d9b6c>] blkdev_write_iter fs/block_dev.c:2026 [inline] [<00000000223d9b6c>] blkdev_write_iter+0xbe/0x160 fs/block_dev.c:2003 [<000000003c4a5c94>] call_write_iter include/linux/fs.h:1870 [inline] [<000000003c4a5c94>] aio_write+0x10b/0x1d0 fs/aio.c:1583 [<00000000581f0c84>] __io_submit_one fs/aio.c:1815 [inline] [<00000000581f0c84>] io_submit_one+0x59b/0xe50 fs/aio.c:1862 BUG: memory leak unreferenced object 0xffff8881226da6c0 (size 192): comm "syz-executor332", pid 6977, jiffies 4294941214 (age 19.450s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 f0 bc 28 81 88 ff ff ...........(.... 01 c8 60 00 02 0b 00 00 00 00 00 00 00 00 00 00 ..`............. backtrace: [<00000000b06a638e>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000b06a638e>] slab_post_alloc_hook mm/slab.h:522 [inline] [<00000000b06a638e>] slab_alloc mm/slab.c:3319 [inline] [<00000000b06a638e>] kmem_cache_alloc+0x13f/0x2c0 mm/slab.c:3483 [<00000000950a289d>] mempool_alloc_slab+0x1e/0x30 mm/mempool.c:513 [<00000000bfcc27e2>] mempool_alloc+0x64/0x1b0 mm/mempool.c:393 [<00000000cdf95a4a>] bio_alloc_bioset+0x180/0x2c0 block/bio.c:477 [<00000000b239bb68>] bio_clone_fast+0x25/0x90 block/bio.c:609 [<000000005d58c2dc>] bio_split+0x4a/0xd0 block/bio.c:1856 [<00000000ab943734>] blk_bio_segment_split block/blk-merge.c:250 [inline] [<00000000ab943734>] __blk_queue_split+0x355/0x730 block/blk-merge.c:272 [<00000000e702c0ac>] blk_mq_make_request+0xb0/0x890 block/blk-mq.c:1943 [<000000003c89773a>] generic_make_request block/blk-core.c:1052 [inline] [<000000003c89773a>] generic_make_request+0xf6/0x4a0 block/blk-core.c:994 [<00000000a4dcaf78>] submit_bio+0x5a/0x1e0 block/blk-core.c:1163 [<000000003e1ce7f8>] __blkdev_direct_IO fs/block_dev.c:459 [inline] [<000000003e1ce7f8>] blkdev_direct_IO+0x2b3/0x6d0 fs/block_dev.c:515 [<0000000087ec76a4>] generic_file_direct_write+0xb0/0x1a0 mm/filemap.c:3230 [<00000000ff259b44>] __generic_file_write_iter+0xec/0x230 mm/filemap.c:3413 [<00000000223d9b6c>] blkdev_write_iter fs/block_dev.c:2026 [inline] [<00000000223d9b6c>] blkdev_write_iter+0xbe/0x160 fs/block_dev.c:2003 [<000000003c4a5c94>] call_write_iter include/linux/fs.h:1870 [inline] [<000000003c4a5c94>] aio_write+0x10b/0x1d0 fs/aio.c:1583 [<00000000581f0c84>] __io_submit_one fs/aio.c:1815 [inline] [<00000000581f0c84>] io_submit_one+0x59b/0xe50 fs/aio.c:1862 BUG: memory leak unreferenced object 0xffff8881226da600 (size 192): comm "syz-executor332", pid 6977, jiffies 4294941214 (age 19.450s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 f0 bc 28 81 88 ff ff ...........(.... 01 c8 60 00 02 0b 00 00 00 00 00 00 00 00 00 00 ..`............. backtrace: [<00000000b06a638e>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000b06a638e>] slab_post_alloc_hook mm/slab.h:522 [inline] [<00000000b06a638e>] slab_alloc mm/slab.c:3319 [inline] [<00000000b06a638e>] kmem_cache_alloc+0x13f/0x2c0 mm/slab.c:3483 [<00000000950a289d>] mempool_alloc_slab+0x1e/0x30 mm/mempool.c:513 [<00000000bfcc27e2>] mempool_alloc+0x64/0x1b0 mm/mempool.c:393 [<00000000cdf95a4a>] bio_alloc_bioset+0x180/0x2c0 block/bio.c:477 [<00000000b239bb68>] bio_clone_fast+0x25/0x90 block/bio.c:609 [<000000005d58c2dc>] bio_split+0x4a/0xd0 block/bio.c:1856 [<00000000ab943734>] blk_bio_segment_split block/blk-merge.c:250 [inline] [<00000000ab943734>] __blk_queue_split+0x355/0x730 block/blk-merge.c:272 [<00000000e702c0ac>] blk_mq_make_request+0xb0/0x890 block/blk-mq.c:1943 [<000000003c89773a>] generic_make_request block/blk-core.c:1052 [inline] [<000000003c89773a>] generic_make_request+0xf6/0x4a0 block/blk-core.c:994 [<00000000a4dcaf78>] submit_bio+0x5a/0x1e0 block/blk-core.c:1163 [<000000003e1ce7f8>] __blkdev_direct_IO fs/block_dev.c:459 [inline] [<000000003e1ce7f8>] blkdev_direct_IO+0x2b3/0x6d0 fs/block_dev.c:515 [<0000000087ec76a4>] generic_file_direct_write+0xb0/0x1a0 mm/filemap.c:3230 [<00000000ff259b44>] __generic_file_write_iter+0xec/0x230 mm/filemap.c:3413 [<00000000223d9b6c>] blkdev_write_iter fs/block_dev.c:2026 [inline] [<00000000223d9b6c>] blkdev_write_iter+0xbe/0x160 fs/block_dev.c:2003 [<000000003c4a5c94>] call_write_iter include/linux/fs.h:1870 [inline] [<000000003c4a5c94>] aio_write+0x10b/0x1d0 fs/aio.c:1583 [<00000000581f0c84>] __io_submit_one fs/aio.c:1815 [inline] [<00000000581f0c84>] io_submit_one+0x59b/0xe50 fs/aio.c:1862 BUG: memory leak unreferenced object 0xffff8881226da540 (size 192): comm "syz-executor332", pid 6977, jiffies 4294941214 (age 19.450s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 f0 bc 28 81 88 ff ff ...........(.... 01 c8 60 00 02 0b 00 00 00 00 00 00 00 00 00 00 ..`............. backtrace: [<00000000b06a638e>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000b06a638e>] slab_post_alloc_hook mm/slab.h:522 [inline] [<00000000b06a638e>] slab_alloc mm/slab.c:3319 [inline] [<00000000b06a638e>] kmem_cache_alloc+0x13f/0x2c0 mm/slab.c:3483 [<00000000950a289d>] mempool_alloc_slab+0x1e/0x30 mm/mempool.c:513 [<00000000bfcc27e2>] mempool_alloc+0x64/0x1b0 mm/mempool.c:393 [<00000000cdf95a4a>] bio_alloc_bioset+0x180/0x2c0 block/bio.c:477 [<00000000b239bb68>] bio_clone_fast+0x25/0x90 block/bio.c:609 [<000000005d58c2dc>] bio_split+0x4a/0xd0 block/bio.c:1856 [<00000000ab943734>] blk_bio_segment_split block/blk-merge.c:250 [inline] [<00000000ab943734>] __blk_queue_split+0x355/0x730 block/blk-merge.c:272 [<00000000e702c0ac>] blk_mq_make_request+0xb0/0x890 block/blk-mq.c:1943 [<000000003c89773a>] generic_make_request block/blk-core.c:1052 [inline] [<000000003c89773a>] generic_make_request+0xf6/0x4a0 block/blk-core.c:994 [<00000000a4dcaf78>] submit_bio+0x5a/0x1e0 block/blk-core.c:1163 [<000000003e1ce7f8>] __blkdev_direct_IO fs/block_dev.c:459 [inline] [<000000003e1ce7f8>] blkdev_direct_IO+0x2b3/0x6d0 fs/block_dev.c:515 [<0000000087ec76a4>] generic_file_direct_write+0xb0/0x1a0 mm/filemap.c:3230 [<00000000ff259b44>] __generic_file_write_iter+0xec/0x230 mm/filemap.c:3413 [<00000000223d9b6c>] blkdev_write_iter fs/block_dev.c:2026 [inline] [<00000000223d9b6c>] blkdev_write_iter+0xbe/0x160 fs/block_dev.c:2003 [<000000003c4a5c94>] call_write_iter include/linux/fs.h:1870 [inline] [<000000003c4a5c94>] aio_write+0x10b/0x1d0 fs/aio.c:1583 [<00000000581f0c84>] __io_submit_one fs/aio.c:1815 [inline] [<00000000581f0c84>] io_submit_one+0x59b/0xe50 fs/aio.c:1862 BUG: memory leak unreferenced object 0xffff8881226da6c0 (size 192): comm "syz-executor332", pid 6977, jiffies 4294941214 (age 19.510s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 f0 bc 28 81 88 ff ff ...........(.... 01 c8 60 00 02 0b 00 00 00 00 00 00 00 00 00 00 ..`............. backtrace: [<00000000b06a638e>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000b06a638e>] slab_post_alloc_hook mm/slab.h:522 [inline] [<00000000b06a638e>] slab_alloc mm/slab.c:3319 [inline] [<00000000b06a638e>] kmem_cache_alloc+0x13f/0x2c0 mm/slab.c:3483 [<00000000950a289d>] mempool_alloc_slab+0x1e/0x30 mm/mempool.c:513 [<00000000bfcc27e2>] mempool_alloc+0x64/0x1b0 mm/mempool.c:393 [<00000000cdf95a4a>] bio_alloc_bioset+0x180/0x2c0 block/bio.c:477 [<00000000b239bb68>] bio_clone_fast+0x25/0x90 block/bio.c:609 [<000000005d58c2dc>] bio_split+0x4a/0xd0 block/bio.c:1856 [<00000000ab943734>] blk_bio_segment_split block/blk-merge.c:250 [inline] [<00000000ab943734>] __blk_queue_split+0x355/0x730 block/blk-merge.c:272 [<00000000e702c0ac>] blk_mq_make_request+0xb0/0x890 block/blk-mq.c:1943 [<000000003c89773a>] generic_make_request block/blk-core.c:1052 [inline] [<000000003c89773a>] generic_make_request+0xf6/0x4a0 block/blk-core.c:994 [<00000000a4dcaf78>] submit_bio+0x5a/0x1e0 block/blk-core.c:1163 [<000000003e1ce7f8>] __blkdev_direct_IO fs/block_dev.c:459 [inline] [<000000003e1ce7f8>] blkdev_direct_IO+0x2b3/0x6d0 fs/block_dev.c:515 [<0000000087ec76a4>] generic_file_direct_write+0xb0/0x1a0 mm/filemap.c:3230 [<00000000ff259b44>] __generic_file_write_iter+0xec/0x230 mm/filemap.c:3413 [<00000000223d9b6c>] blkdev_write_iter fs/block_dev.c:2026 [inline] [<00000000223d9b6c>] blkdev_write_iter+0xbe/0x160 fs/block_dev.c:2003 [<000000003c4a5c94>] call_write_iter include/linux/fs.h:1870 [inline] [<000000003c4a5c94>] aio_write+0x10b/0x1d0 fs/aio.c:1583 [<00000000581f0c84>] __io_submit_one fs/aio.c:1815 [inline] [<00000000581f0c84>] io_submit_one+0x59b/0xe50 fs/aio.c:1862 BUG: memory leak unreferenced object 0xffff8881226da600 (size 192): comm "syz-executor332", pid 6977, jiffies 4294941214 (age 19.510s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 f0 bc 28 81 88 ff ff ...........(.... 01 c8 60 00 02 0b 00 00 00 00 00 00 00 00 00 00 ..`............. backtrace: [<00000000b06a638e>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000b06a638e>] slab_post_alloc_hook mm/slab.h:522 [inline] [<00000000b06a638e>] slab_alloc mm/slab.c:3319 [inline] [<00000000b06a638e>] kmem_cache_alloc+0x13f/0x2c0 mm/slab.c:3483 [<00000000950a289d>] mempool_alloc_slab+0x1e/0x30 mm/mempool.c:513 [<00000000bfcc27e2>] mempool_alloc+0x64/0x1b0 mm/mempool.c:393 [<00000000cdf95a4a>] bio_alloc_bioset+0x180/0x2c0 block/bio.c:477 [<00000000b239bb68>] bio_clone_fast+0x25/0x90 block/bio.c:609 [<000000005d58c2dc>] bio_split+0x4a/0xd0 block/bio.c:1856 [<00000000ab943734>] blk_bio_segment_split block/blk-merge.c:250 [inline] [<00000000ab943734>] __blk_queue_split+0x355/0x730 block/blk-merge.c:272 [<00000000e702c0ac>] blk_mq_make_request+0xb0/0x890 block/blk-mq.c:1943 [<000000003c89773a>] generic_make_request block/blk-core.c:1052 [inline] [<000000003c89773a>] generic_make_request+0xf6/0x4a0 block/blk-core.c:994 [<00000000a4dcaf78>] submit_bio+0x5a/0x1e0 block/blk-core.c:1163 [<000000003e1ce7f8>] __blkdev_direct_IO fs/block_dev.c:459 [inline] [<000000003e1ce7f8>] blkdev_direct_IO+0x2b3/0x6d0 fs/block_dev.c:515 [<0000000087ec76a4>] generic_file_direct_write+0xb0/0x1a0 mm/filemap.c:3230 [<00000000ff259b44>] __generic_file_write_iter+0xec/0x230 mm/filemap.c:3413 [<00000000223d9b6c>] blkdev_write_iter fs/block_dev.c:2026 [inline] [<00000000223d9b6c>] blkdev_write_iter+0xbe/0x160 fs/block_dev.c:2003 [<000000003c4a5c94>] call_write_iter include/linux/fs.h:1870 [inline] [<000000003c4a5c94>] aio_write+0x10b/0x1d0 fs/aio.c:1583 [<00000000581f0c84>] __io_submit_one fs/aio.c:1815 [inline] [<00000000581f0c84>] io_submit_one+0x59b/0xe50 fs/aio.c:1862 BUG: memory leak unreferenced object 0xffff8881226da540 (size 192): comm "syz-executor332", pid 6977, jiffies 4294941214 (age 19.510s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 f0 bc 28 81 88 ff ff ...........(.... 01 c8 60 00 02 0b 00 00 00 00 00 00 00 00 00 00 ..`............. backtrace: [<00000000b06a638e>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000b06a638e>] slab_post_alloc_hook mm/slab.h:522 [inline] [<00000000b06a638e>] slab_alloc mm/slab.c:3319 [inline] [<00000000b06a638e>] kmem_cache_alloc+0x13f/0x2c0 mm/slab.c:3483 [<00000000950a289d>] mempool_alloc_slab+0x1e/0x30 mm/mempool.c:513 [<00000000bfcc27e2>] mempool_alloc+0x64/0x1b0 mm/mempool.c:393 [<00000000cdf95a4a>] bio_alloc_bioset+0x180/0x2c0 block/bio.c:477 [<00000000b239bb68>] bio_clone_fast+0x25/0x90 block/bio.c:609 [<000000005d58c2dc>] bio_split+0x4a/0xd0 block/bio.c:1856 [<00000000ab943734>] blk_bio_segment_split block/blk-merge.c:250 [inline] [<00000000ab943734>] __blk_queue_split+0x355/0x730 block/blk-merge.c:272 [<00000000e702c0ac>] blk_mq_make_request+0xb0/0x890 block/blk-mq.c:1943 [<000000003c89773a>] generic_make_request block/blk-core.c:1052 [inline] [<000000003c89773a>] generic_make_request+0xf6/0x4a0 block/blk-core.c:994 [<00000000a4dcaf78>] submit_bio+0x5a/0x1e0 block/blk-core.c:1163 [<000000003e1ce7f8>] __blkdev_direct_IO fs/block_dev.c:459 [inline] [<000000003e1ce7f8>] blkdev_direct_IO+0x2b3/0x6d0 fs/block_dev.c:515 [<0000000087ec76a4>] generic_file_direct_write+0xb0/0x1a0 mm/filemap.c:3230 [<00000000ff259b44>] __generic_file_write_iter+0xec/0x230 mm/filemap.c:3413 [<00000000223d9b6c>] blkdev_write_iter fs/block_dev.c:2026 [inline] [<00000000223d9b6c>] blkdev_write_iter+0xbe/0x160 fs/block_dev.c:2003 [<000000003c4a5c94>] call_write_iter include/linux/fs.h:1870 [inline] [<000000003c4a5c94>] aio_write+0x10b/0x1d0 fs/aio.c:1583 [<00000000581f0c84>] __io_submit_one fs/aio.c:1815 [inline] [<00000000581f0c84>] io_submit_one+0x59b/0xe50 fs/aio.c:1862 BUG: memory leak unreferenced object 0xffff8881226da6c0 (size 192): comm "syz-executor332", pid 6977, jiffies 4294941214 (age 19.560s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 f0 bc 28 81 88 ff ff ...........(.... 01 c8 60 00 02 0b 00 00 00 00 00 00 00 00 00 00 ..`............. backtrace: [<00000000b06a638e>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000b06a638e>] slab_post_alloc_hook mm/slab.h:522 [inline] [<00000000b06a638e>] slab_alloc mm/slab.c:3319 [inline] [<00000000b06a638e>] kmem_cache_alloc+0x13f/0x2c0 mm/slab.c:3483 [<00000000950a289d>] mempool_alloc_slab+0x1e/0x30 mm/mempool.c:513 [<00000000bfcc27e2>] mempool_alloc+0x64/0x1b0 mm/mempool.c:393 [<00000000cdf95a4a>] bio_alloc_bioset+0x180/0x2c0 block/bio.c:477 [<00000000b239bb68>] bio_clone_fast+0x25/0x90 block/bio.c:609 [<000000005d58c2dc>] bio_split+0x4a/0xd0 block/bio.c:1856 [<00000000ab943734>] blk_bio_segment_split block/blk-merge.c:250 [inline] [<00000000ab943734>] __blk_queue_split+0x355/0x730 block/blk-merge.c:272 [<00000000e702c0ac>] blk_mq_make_request+0xb0/0x890 block/blk-mq.c:1943 [<000000003c89773a>] generic_make_request block/blk-core.c:1052 [inline] [<000000003c89773a>] generic_make_request+0xf6/0x4a0 block/blk-core.c:994 [<00000000a4dcaf78>] submit_bio+0x5a/0x1e0 block/blk-core.c:1163 [<000000003e1ce7f8>] __blkdev_direct_IO fs/block_dev.c:459 [inline] [<000000003e1ce7f8>] blkdev_direct_IO+0x2b3/0x6d0 fs/block_dev.c:515 [<0000000087ec76a4>] generic_file_direct_write+0xb0/0x1a0 mm/filemap.c:3230 [<00000000ff259b44>] __generic_file_write_iter+0xec/0x230 mm/filemap.c:3413 [<00000000223d9b6c>] blkdev_write_iter fs/block_dev.c:2026 [inline] [<00000000223d9b6c>] blkdev_write_iter+0xbe/0x160 fs/block_dev.c:2003 [<000000003c4a5c94>] call_write_iter include/linux/fs.h:1870 [inline] [<000000003c4a5c94>] aio_write+0x10b/0x1d0 fs/aio.c:1583 [<00000000581f0c84>] __io_submit_one fs/aio.c:1815 [inline] [<00000000581f0c84>] io_submit_one+0x59b/0xe50 fs/aio.c:1862 BUG: memory leak unreferenced object 0xffff8881226da600 (size 192): comm "syz-executor332", pid 6977, jiffies 4294941214 (age 19.560s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 f0 bc 28 81 88 ff ff ...........(.... 01 c8 60 00 02 0b 00 00 00 00 00 00 00 00 00 00 ..`............. backtrace: [<00000000b06a638e>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000b06a638e>] slab_post_alloc_hook mm/slab.h:522 [inline] [<00000000b06a638e>] slab_alloc mm/slab.c:3319 [inline] [<00000000b06a638e>] kmem_cache_alloc+0x13f/0x2c0 mm/slab.c:3483 [<00000000950a289d>] mempool_alloc_slab+0x1e/0x30 mm/mempool.c:513 [<00000000bfcc27e2>] mempool_alloc+0x64/0x1b0 mm/mempool.c:393 [<00000000cdf95a4a>] bio_alloc_bioset+0x180/0x2c0 block/bio.c:477 [<00000000b239bb68>] bio_clone_fast+0x25/0x90 block/bio.c:609 [<000000005d58c2dc>] bio_split+0x4a/0xd0 block/bio.c:1856 [<00000000ab943734>] blk_bio_segment_split block/blk-merge.c:250 [inline] [<00000000ab943734>] __blk_queue_split+0x355/0x730 block/blk-merge.c:272 [<00000000e702c0ac>] blk_mq_make_request+0xb0/0x890 block/blk-mq.c:1943 [<000000003c89773a>] generic_make_request block/blk-core.c:1052 [inline] [<000000003c89773a>] generic_make_request+0xf6/0x4a0 block/blk-core.c:994 [<00000000a4dcaf78>] submit_bio+0x5a/0x1e0 block/blk-core.c:1163 [<000000003e1ce7f8>] __blkdev_direct_IO fs/block_dev.c:459 [inline] [<000000003e1ce7f8>] blkdev_direct_IO+0x2b3/0x6d0 fs/block_dev.c:515 [<0000000087ec76a4>] generic_file_direct_write+0xb0/0x1a0 mm/filemap.c:3230 [<00000000ff259b44>] __generic_file_write_iter+0xec/0x230 mm/filemap.c:3413 [<00000000223d9b6c>] blkdev_write_iter fs/block_dev.c:2026 [inline] [<00000000223d9b6c>] blkdev_write_iter+0xbe/0x160 fs/block_dev.c:2003 [<000000003c4a5c94>] call_write_iter include/linux/fs.h:1870 [inline] [<000000003c4a5c94>] aio_write+0x10b/0x1d0 fs/aio.c:1583 [<00000000581f0c84>] __io_submit_one fs/aio.c:1815 [inline] [<00000000581f0c84>] io_submit_one+0x59b/0xe50 fs/aio.c:1862 BUG: memory leak unreferenced object 0xffff8881226da540 (size 192): comm "syz-executor332", pid 6977, jiffies 4294941214 (age 19.560s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 f0 bc 28 81 88 ff ff ...........(.... 01 c8 60 00 02 0b 00 00 00 00 00 00 00 00 00 00 ..`............. backtrace: [<00000000b06a638e>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000b06a638e>] slab_post_alloc_hook mm/slab.h:522 [inline] [<00000000b06a638e>] slab_alloc mm/slab.c:3319 [inline] [<00000000b06a638e>] kmem_cache_alloc+0x13f/0x2c0 mm/slab.c:3483 [<00000000950a289d>] mempool_alloc_slab+0x1e/0x30 mm/mempool.c:513 [<00000000bfcc27e2>] mempool_alloc+0x64/0x1b0 mm/mempool.c:393 [<00000000cdf95a4a>] bio_alloc_bioset+0x180/0x2c0 block/bio.c:477 [<00000000b239bb68>] bio_clone_fast+0x25/0x90 block/bio.c:609 [<000000005d58c2dc>] bio_split+0x4a/0xd0 block/bio.c:1856 [<00000000ab943734>] blk_bio_segment_split block/blk-merge.c:250 [inline] [<00000000ab943734>] __blk_queue_split+0x355/0x730 block/blk-merge.c:272 [<00000000e702c0ac>] blk_mq_make_request+0xb0/0x890 block/blk-mq.c:1943 [<000000003c89773a>] generic_make_request block/blk-core.c:1052 [inline] [<000000003c89773a>] generic_make_request+0xf6/0x4a0 block/blk-core.c:994 [<00000000a4dcaf78>] submit_bio+0x5a/0x1e0 block/blk-core.c:1163 [<000000003e1ce7f8>] __blkdev_direct_IO fs/block_dev.c:459 [inline] [<000000003e1ce7f8>] blkdev_direct_IO+0x2b3/0x6d0 fs/block_dev.c:515 [<0000000087ec76a4>] generic_file_direct_write+0xb0/0x1a0 mm/filemap.c:3230 [<00000000ff259b44>] __generic_file_write_iter+0xec/0x230 mm/filemap.c:3413 [<00000000223d9b6c>] blkdev_write_iter fs/block_dev.c:2026 [inline] [<00000000223d9b6c>] blkdev_write_iter+0xbe/0x160 fs/block_dev.c:2003 [<000000003c4a5c94>] call_write_iter include/linux/fs.h:1870 [inline] [<000000003c4a5c94>] aio_write+0x10b/0x1d0 fs/aio.c:1583 [<00000000581f0c84>] __io_submit_one fs/aio.c:1815 [inline] [<00000000581f0c84>] io_submit_one+0x59b/0xe50 fs/aio.c:1862 --- This bug is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this bug report. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. syzbot can test patches for this bug, for details see: https://goo.gl/tpsmEJ#testing-patches