2019/12/07 19:03:02 executed programs: 15
2019/12/07 19:03:08 executed programs: 35
BUG: memory leak
unreferenced object 0xffff888118327800 (size 2048):
  comm "syz-executor.1", pid 7056, jiffies 4294953881 (age 21.630s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    20 00 00 00 00 01 00 00 00 00 00 00 01 00 00 00   ...............
  backtrace:
    [<00000000e1f23c37>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<00000000e1f23c37>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<00000000e1f23c37>] slab_alloc mm/slab.c:3320 [inline]
    [<00000000e1f23c37>] __do_kmalloc mm/slab.c:3654 [inline]
    [<00000000e1f23c37>] __kmalloc+0x169/0x300 mm/slab.c:3665
    [<000000005f47ca72>] kmalloc include/linux/slab.h:561 [inline]
    [<000000005f47ca72>] bio_alloc_bioset+0x1b5/0x2c0 block/bio.c:443
    [<00000000ea3a28b5>] bio_kmalloc include/linux/bio.h:405 [inline]
    [<00000000ea3a28b5>] bio_copy_user_iov+0x121/0x4d0 block/bio.c:1251
    [<00000000ec8d2603>] __blk_rq_map_user_iov block/blk-map.c:73 [inline]
    [<00000000ec8d2603>] blk_rq_map_user_iov+0xc6/0x2b0 block/blk-map.c:142
    [<00000000ba8ab924>] blk_rq_map_user+0x71/0xb0 block/blk-map.c:172
    [<0000000090c33304>] sg_start_req drivers/scsi/sg.c:1837 [inline]
    [<0000000090c33304>] sg_common_write.isra.0+0x6c9/0xaf0 drivers/scsi/sg.c:807
    [<00000000c6d3b0bd>] sg_new_write.isra.0+0x1a2/0x360 drivers/scsi/sg.c:776
    [<00000000abf401ec>] sg_write.part.0+0x41f/0x520 drivers/scsi/sg.c:640
    [<000000007f0df91a>] sg_write+0x44/0x64 drivers/scsi/sg.c:621
    [<000000003aa4a3c9>] do_loop_readv_writev fs/read_write.c:717 [inline]
    [<000000003aa4a3c9>] do_loop_readv_writev fs/read_write.c:701 [inline]
    [<000000003aa4a3c9>] do_iter_write fs/read_write.c:972 [inline]
    [<000000003aa4a3c9>] do_iter_write+0x1da/0x230 fs/read_write.c:951
    [<00000000eeb9c229>] vfs_writev+0xcb/0x130 fs/read_write.c:1015
    [<0000000042877bb9>] do_writev+0x89/0x180 fs/read_write.c:1058
    [<000000001f9cbf21>] __do_sys_writev fs/read_write.c:1131 [inline]
    [<000000001f9cbf21>] __se_sys_writev fs/read_write.c:1128 [inline]
    [<000000001f9cbf21>] __x64_sys_writev+0x20/0x30 fs/read_write.c:1128
    [<00000000c7ed5a62>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294
    [<000000002af094d4>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff8881212a6800 (size 2048):
  comm "syz-executor.3", pid 7059, jiffies 4294953905 (age 21.390s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    20 00 00 00 00 01 00 00 00 00 00 00 01 00 00 00   ...............
  backtrace:
    [<00000000e1f23c37>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<00000000e1f23c37>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<00000000e1f23c37>] slab_alloc mm/slab.c:3320 [inline]
    [<00000000e1f23c37>] __do_kmalloc mm/slab.c:3654 [inline]
    [<00000000e1f23c37>] __kmalloc+0x169/0x300 mm/slab.c:3665
    [<000000005f47ca72>] kmalloc include/linux/slab.h:561 [inline]
    [<000000005f47ca72>] bio_alloc_bioset+0x1b5/0x2c0 block/bio.c:443
    [<00000000ea3a28b5>] bio_kmalloc include/linux/bio.h:405 [inline]
    [<00000000ea3a28b5>] bio_copy_user_iov+0x121/0x4d0 block/bio.c:1251
    [<00000000ec8d2603>] __blk_rq_map_user_iov block/blk-map.c:73 [inline]
    [<00000000ec8d2603>] blk_rq_map_user_iov+0xc6/0x2b0 block/blk-map.c:142
    [<00000000ba8ab924>] blk_rq_map_user+0x71/0xb0 block/blk-map.c:172
    [<0000000090c33304>] sg_start_req drivers/scsi/sg.c:1837 [inline]
    [<0000000090c33304>] sg_common_write.isra.0+0x6c9/0xaf0 drivers/scsi/sg.c:807
    [<00000000c6d3b0bd>] sg_new_write.isra.0+0x1a2/0x360 drivers/scsi/sg.c:776
    [<00000000abf401ec>] sg_write.part.0+0x41f/0x520 drivers/scsi/sg.c:640
    [<000000007f0df91a>] sg_write+0x44/0x64 drivers/scsi/sg.c:621
    [<000000003aa4a3c9>] do_loop_readv_writev fs/read_write.c:717 [inline]
    [<000000003aa4a3c9>] do_loop_readv_writev fs/read_write.c:701 [inline]
    [<000000003aa4a3c9>] do_iter_write fs/read_write.c:972 [inline]
    [<000000003aa4a3c9>] do_iter_write+0x1da/0x230 fs/read_write.c:951
    [<00000000eeb9c229>] vfs_writev+0xcb/0x130 fs/read_write.c:1015
    [<0000000042877bb9>] do_writev+0x89/0x180 fs/read_write.c:1058
    [<000000001f9cbf21>] __do_sys_writev fs/read_write.c:1131 [inline]
    [<000000001f9cbf21>] __se_sys_writev fs/read_write.c:1128 [inline]
    [<000000001f9cbf21>] __x64_sys_writev+0x20/0x30 fs/read_write.c:1128
    [<00000000c7ed5a62>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294
    [<000000002af094d4>] entry_SYSCALL_64_after_hwframe+0x44/0xa9