2019/12/13 23:10:04 executed programs: 19
2019/12/13 23:10:10 executed programs: 21
2019/12/13 23:10:15 executed programs: 23
2019/12/13 23:10:21 executed programs: 25
BUG: memory leak
unreferenced object 0xffff8881221b4800 (size 2048):
  comm "syz-executor.0", pid 7065, jiffies 4294944374 (age 79.800s)
  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:
    [<00000000fde54aca>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline]
    [<00000000fde54aca>] slab_post_alloc_hook mm/slab.h:586 [inline]
    [<00000000fde54aca>] slab_alloc mm/slab.c:3320 [inline]
    [<00000000fde54aca>] __do_kmalloc mm/slab.c:3654 [inline]
    [<00000000fde54aca>] __kmalloc+0x169/0x300 mm/slab.c:3665
    [<00000000dc88d463>] kmalloc include/linux/slab.h:561 [inline]
    [<00000000dc88d463>] bio_alloc_bioset+0x1b5/0x2c0 block/bio.c:443
    [<00000000f5768f37>] bio_kmalloc include/linux/bio.h:405 [inline]
    [<00000000f5768f37>] bio_copy_user_iov+0x121/0x4d0 block/bio.c:1251
    [<00000000741cd7e5>] __blk_rq_map_user_iov block/blk-map.c:73 [inline]
    [<00000000741cd7e5>] blk_rq_map_user_iov+0xc6/0x2b0 block/blk-map.c:142
    [<00000000a1fe6926>] blk_rq_map_user+0x71/0xb0 block/blk-map.c:172
    [<000000003fbe4715>] sg_start_req drivers/scsi/sg.c:1837 [inline]
    [<000000003fbe4715>] sg_common_write.isra.0+0x6c9/0xaf0 drivers/scsi/sg.c:807
    [<000000003ea254c0>] sg_new_write.isra.0+0x1a2/0x360 drivers/scsi/sg.c:776
    [<00000000eeb433d8>] sg_write.part.0+0x41f/0x520 drivers/scsi/sg.c:640
    [<000000006f491e5f>] sg_write+0x44/0x64 drivers/scsi/sg.c:621
    [<00000000c35ae680>] do_loop_readv_writev fs/read_write.c:717 [inline]
    [<00000000c35ae680>] do_loop_readv_writev fs/read_write.c:701 [inline]
    [<00000000c35ae680>] do_iter_write fs/read_write.c:972 [inline]
    [<00000000c35ae680>] do_iter_write+0x1da/0x230 fs/read_write.c:951
    [<000000002a931792>] vfs_writev+0xcb/0x130 fs/read_write.c:1015
    [<0000000072cec2f3>] do_writev+0x89/0x180 fs/read_write.c:1058
    [<00000000db02cabe>] __do_sys_writev fs/read_write.c:1131 [inline]
    [<00000000db02cabe>] __se_sys_writev fs/read_write.c:1128 [inline]
    [<00000000db02cabe>] __x64_sys_writev+0x20/0x30 fs/read_write.c:1128
    [<00000000c6ddc737>] do_syscall_64+0x73/0x220 arch/x86/entry/common.c:294
    [<0000000001b46089>] entry_SYSCALL_64_after_hwframe+0x44/0xa9