BUG: memory leak unreferenced object 0xffff88812135e800 (size 2048): comm "syz-executor.5", pid 7324, jiffies 4294949371 (age 33.870s) 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: [<00000000e1722501>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000e1722501>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000e1722501>] slab_alloc mm/slab.c:3319 [inline] [<00000000e1722501>] __do_kmalloc mm/slab.c:3653 [inline] [<00000000e1722501>] __kmalloc+0x169/0x300 mm/slab.c:3664 [<000000006a129eec>] kmalloc include/linux/slab.h:561 [inline] [<000000006a129eec>] bio_alloc_bioset+0x1b8/0x2c0 block/bio.c:440 [<00000000e0c4408c>] bio_kmalloc include/linux/bio.h:405 [inline] [<00000000e0c4408c>] bio_copy_user_iov+0x121/0x4d0 block/bio.c:1248 [<0000000038e1cfef>] __blk_rq_map_user_iov block/blk-map.c:73 [inline] [<0000000038e1cfef>] blk_rq_map_user_iov+0xc6/0x2b0 block/blk-map.c:142 [<00000000479068ce>] blk_rq_map_user+0x71/0xb0 block/blk-map.c:172 [<0000000014b5f6fc>] sg_start_req drivers/scsi/sg.c:1813 [inline] [<0000000014b5f6fc>] sg_common_write.isra.0+0x619/0xa10 drivers/scsi/sg.c:809 [<000000003e819cb3>] sg_write.part.0+0x325/0x570 drivers/scsi/sg.c:709 [<000000009d91a3f2>] sg_write+0x44/0x64 drivers/scsi/sg.c:617 [<00000000faf3411e>] __vfs_write+0x43/0xa0 fs/read_write.c:494 [<000000001e6454d2>] vfs_write fs/read_write.c:558 [inline] [<000000001e6454d2>] vfs_write+0xee/0x210 fs/read_write.c:542 [<0000000022c2d22a>] ksys_write+0x7c/0x130 fs/read_write.c:611 [<000000008902d5a6>] __do_sys_write fs/read_write.c:623 [inline] [<000000008902d5a6>] __se_sys_write fs/read_write.c:620 [inline] [<000000008902d5a6>] __x64_sys_write+0x1e/0x30 fs/read_write.c:620 [<0000000090f24cf1>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290 [<000000001b39f564>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff888119c7a800 (size 2048): comm "syz-executor.5", pid 7361, jiffies 4294949415 (age 33.430s) 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: [<00000000e1722501>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000e1722501>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000e1722501>] slab_alloc mm/slab.c:3319 [inline] [<00000000e1722501>] __do_kmalloc mm/slab.c:3653 [inline] [<00000000e1722501>] __kmalloc+0x169/0x300 mm/slab.c:3664 [<000000006a129eec>] kmalloc include/linux/slab.h:561 [inline] [<000000006a129eec>] bio_alloc_bioset+0x1b8/0x2c0 block/bio.c:440 [<00000000e0c4408c>] bio_kmalloc include/linux/bio.h:405 [inline] [<00000000e0c4408c>] bio_copy_user_iov+0x121/0x4d0 block/bio.c:1248 [<0000000038e1cfef>] __blk_rq_map_user_iov block/blk-map.c:73 [inline] [<0000000038e1cfef>] blk_rq_map_user_iov+0xc6/0x2b0 block/blk-map.c:142 [<00000000479068ce>] blk_rq_map_user+0x71/0xb0 block/blk-map.c:172 [<0000000014b5f6fc>] sg_start_req drivers/scsi/sg.c:1813 [inline] [<0000000014b5f6fc>] sg_common_write.isra.0+0x619/0xa10 drivers/scsi/sg.c:809 [<000000003e819cb3>] sg_write.part.0+0x325/0x570 drivers/scsi/sg.c:709 [<000000009d91a3f2>] sg_write+0x44/0x64 drivers/scsi/sg.c:617 [<00000000faf3411e>] __vfs_write+0x43/0xa0 fs/read_write.c:494 [<000000001e6454d2>] vfs_write fs/read_write.c:558 [inline] [<000000001e6454d2>] vfs_write+0xee/0x210 fs/read_write.c:542 [<0000000022c2d22a>] ksys_write+0x7c/0x130 fs/read_write.c:611 [<000000008902d5a6>] __do_sys_write fs/read_write.c:623 [inline] [<000000008902d5a6>] __se_sys_write fs/read_write.c:620 [inline] [<000000008902d5a6>] __x64_sys_write+0x1e/0x30 fs/read_write.c:620 [<0000000090f24cf1>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290 [<000000001b39f564>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff88810cd23800 (size 2048): comm "syz-executor.5", pid 7369, jiffies 4294949441 (age 33.170s) 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: [<00000000e1722501>] kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] [<00000000e1722501>] slab_post_alloc_hook mm/slab.h:586 [inline] [<00000000e1722501>] slab_alloc mm/slab.c:3319 [inline] [<00000000e1722501>] __do_kmalloc mm/slab.c:3653 [inline] [<00000000e1722501>] __kmalloc+0x169/0x300 mm/slab.c:3664 [<000000006a129eec>] kmalloc include/linux/slab.h:561 [inline] [<000000006a129eec>] bio_alloc_bioset+0x1b8/0x2c0 block/bio.c:440 [<00000000e0c4408c>] bio_kmalloc include/linux/bio.h:405 [inline] [<00000000e0c4408c>] bio_copy_user_iov+0x121/0x4d0 block/bio.c:1248 [<0000000038e1cfef>] __blk_rq_map_user_iov block/blk-map.c:73 [inline] [<0000000038e1cfef>] blk_rq_map_user_iov+0xc6/0x2b0 block/blk-map.c:142 [<00000000479068ce>] blk_rq_map_user+0x71/0xb0 block/blk-map.c:172 [<0000000014b5f6fc>] sg_start_req drivers/scsi/sg.c:1813 [inline] [<0000000014b5f6fc>] sg_common_write.isra.0+0x619/0xa10 drivers/scsi/sg.c:809 [<000000003e819cb3>] sg_write.part.0+0x325/0x570 drivers/scsi/sg.c:709 [<000000009d91a3f2>] sg_write+0x44/0x64 drivers/scsi/sg.c:617 [<00000000faf3411e>] __vfs_write+0x43/0xa0 fs/read_write.c:494 [<000000001e6454d2>] vfs_write fs/read_write.c:558 [inline] [<000000001e6454d2>] vfs_write+0xee/0x210 fs/read_write.c:542 [<0000000022c2d22a>] ksys_write+0x7c/0x130 fs/read_write.c:611 [<000000008902d5a6>] __do_sys_write fs/read_write.c:623 [inline] [<000000008902d5a6>] __se_sys_write fs/read_write.c:620 [inline] [<000000008902d5a6>] __x64_sys_write+0x1e/0x30 fs/read_write.c:620 [<0000000090f24cf1>] do_syscall_64+0x73/0x1f0 arch/x86/entry/common.c:290 [<000000001b39f564>] entry_SYSCALL_64_after_hwframe+0x44/0xa9