executing program executing program executing program executing program executing program BUG: memory leak unreferenced object 0xffff888121f38800 (size 2048): comm "syz-executor569", pid 7000, jiffies 4294953792 (age 73.020s) 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 00 00 00 00 ............... backtrace: [<00000000a0a98f19>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000a0a98f19>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000a0a98f19>] slab_alloc mm/slab.c:3319 [inline] [<00000000a0a98f19>] __do_kmalloc mm/slab.c:3653 [inline] [<00000000a0a98f19>] __kmalloc+0x169/0x300 mm/slab.c:3664 [<000000006657dcd1>] kmalloc include/linux/slab.h:561 [inline] [<000000006657dcd1>] bio_alloc_bioset+0x1b8/0x2c0 block/bio.c:440 [<00000000fe4f15a4>] bio_kmalloc include/linux/bio.h:405 [inline] [<00000000fe4f15a4>] bio_copy_user_iov+0x121/0x4d0 block/bio.c:1248 [<00000000f2c1b529>] __blk_rq_map_user_iov block/blk-map.c:73 [inline] [<00000000f2c1b529>] blk_rq_map_user_iov+0xc6/0x2b0 block/blk-map.c:142 [<000000000305f914>] sg_start_req drivers/scsi/sg.c:1810 [inline] [<000000000305f914>] sg_common_write.isra.0+0x51b/0xa10 drivers/scsi/sg.c:809 [<0000000080c0cf5b>] sg_new_write.isra.0+0x25f/0x3e0 drivers/scsi/sg.c:778 [<00000000a31b5a8b>] sg_write.part.0+0x46b/0x570 drivers/scsi/sg.c:638 [<00000000345c52f1>] sg_write+0x44/0x64 drivers/scsi/sg.c:617 [<000000008ae107b8>] do_loop_readv_writev fs/read_write.c:717 [inline] [<000000008ae107b8>] do_loop_readv_writev fs/read_write.c:701 [inline] [<000000008ae107b8>] do_iter_write fs/read_write.c:972 [inline] [<000000008ae107b8>] do_iter_write+0x1da/0x230 fs/read_write.c:951 [<00000000b5ddd8dd>] vfs_writev+0xcb/0x130 fs/read_write.c:1015 [<000000002c35a741>] do_writev+0x89/0x180 fs/read_write.c:1058 [<00000000da856273>] __do_sys_writev fs/read_write.c:1131 [inline] [<00000000da856273>] __se_sys_writev fs/read_write.c:1128 [inline] [<00000000da856273>] __x64_sys_writev+0x20/0x30 fs/read_write.c:1128 [<0000000068c2b4f0>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290 [<00000000f32f85ad>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff8881088a2800 (size 2048): comm "syz-executor569", pid 7002, jiffies 4294954307 (age 67.870s) 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 00 00 00 00 ............... backtrace: [<00000000a0a98f19>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000a0a98f19>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000a0a98f19>] slab_alloc mm/slab.c:3319 [inline] [<00000000a0a98f19>] __do_kmalloc mm/slab.c:3653 [inline] [<00000000a0a98f19>] __kmalloc+0x169/0x300 mm/slab.c:3664 [<000000006657dcd1>] kmalloc include/linux/slab.h:561 [inline] [<000000006657dcd1>] bio_alloc_bioset+0x1b8/0x2c0 block/bio.c:440 [<00000000fe4f15a4>] bio_kmalloc include/linux/bio.h:405 [inline] [<00000000fe4f15a4>] bio_copy_user_iov+0x121/0x4d0 block/bio.c:1248 [<00000000f2c1b529>] __blk_rq_map_user_iov block/blk-map.c:73 [inline] [<00000000f2c1b529>] blk_rq_map_user_iov+0xc6/0x2b0 block/blk-map.c:142 [<000000000305f914>] sg_start_req drivers/scsi/sg.c:1810 [inline] [<000000000305f914>] sg_common_write.isra.0+0x51b/0xa10 drivers/scsi/sg.c:809 [<0000000080c0cf5b>] sg_new_write.isra.0+0x25f/0x3e0 drivers/scsi/sg.c:778 [<00000000a31b5a8b>] sg_write.part.0+0x46b/0x570 drivers/scsi/sg.c:638 [<00000000345c52f1>] sg_write+0x44/0x64 drivers/scsi/sg.c:617 [<000000008ae107b8>] do_loop_readv_writev fs/read_write.c:717 [inline] [<000000008ae107b8>] do_loop_readv_writev fs/read_write.c:701 [inline] [<000000008ae107b8>] do_iter_write fs/read_write.c:972 [inline] [<000000008ae107b8>] do_iter_write+0x1da/0x230 fs/read_write.c:951 [<00000000b5ddd8dd>] vfs_writev+0xcb/0x130 fs/read_write.c:1015 [<000000002c35a741>] do_writev+0x89/0x180 fs/read_write.c:1058 [<00000000da856273>] __do_sys_writev fs/read_write.c:1131 [inline] [<00000000da856273>] __se_sys_writev fs/read_write.c:1128 [inline] [<00000000da856273>] __x64_sys_writev+0x20/0x30 fs/read_write.c:1128 [<0000000068c2b4f0>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290 [<00000000f32f85ad>] entry_SYSCALL_64_after_hwframe+0x44/0xa9