BUG: memory leak unreferenced object 0xffff88811c962d00 (size 240): comm "syz-executor.0", pid 5512, jiffies 4294944617 hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace (crc bcc8827b): [] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline] [] slab_post_alloc_hook mm/slub.c:3817 [inline] [] slab_alloc_node mm/slub.c:3860 [inline] [] kmem_cache_alloc_node+0x28a/0x330 mm/slub.c:3903 [] __alloc_skb+0x1ef/0x230 net/core/skbuff.c:641 [] alloc_skb include/linux/skbuff.h:1296 [inline] [] virtual_ncidev_write+0x34/0xf0 drivers/nfc/virtual_ncidev.c:120 [] vfs_write+0x16e/0x590 fs/read_write.c:588 [] ksys_write+0xad/0x170 fs/read_write.c:643 [] do_syscall_x64 arch/x86/entry/common.c:52 [inline] [] do_syscall_64+0x50/0x140 arch/x86/entry/common.c:83 [] entry_SYSCALL_64_after_hwframe+0x63/0x6b BUG: memory leak unreferenced object 0xffff88810c4c8280 (size 640): comm "syz-executor.0", pid 5512, jiffies 4294944617 hex dump (first 32 bytes): 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace (crc 900fb1d0): [] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline] [] slab_post_alloc_hook mm/slub.c:3817 [inline] [] slab_alloc_node mm/slub.c:3860 [inline] [] kmem_cache_alloc_node+0x28a/0x330 mm/slub.c:3903 [] kmalloc_reserve+0xe2/0x170 net/core/skbuff.c:560 [] __alloc_skb+0xd5/0x230 net/core/skbuff.c:651 [] alloc_skb include/linux/skbuff.h:1296 [inline] [] virtual_ncidev_write+0x34/0xf0 drivers/nfc/virtual_ncidev.c:120 [] vfs_write+0x16e/0x590 fs/read_write.c:588 [] ksys_write+0xad/0x170 fs/read_write.c:643 [] do_syscall_x64 arch/x86/entry/common.c:52 [inline] [] do_syscall_64+0x50/0x140 arch/x86/entry/common.c:83 [] entry_SYSCALL_64_after_hwframe+0x63/0x6b BUG: memory leak unreferenced object 0xffff888105252500 (size 240): comm "syz-executor.0", pid 5755, jiffies 4294945257 hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace (crc e52cadd4): [] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline] [] slab_post_alloc_hook mm/slub.c:3817 [inline] [] slab_alloc_node mm/slub.c:3860 [inline] [] kmem_cache_alloc_node+0x28a/0x330 mm/slub.c:3903 [] __alloc_skb+0x1ef/0x230 net/core/skbuff.c:641 [] alloc_skb include/linux/skbuff.h:1296 [inline] [] virtual_ncidev_write+0x34/0xf0 drivers/nfc/virtual_ncidev.c:120 [] vfs_write+0x16e/0x590 fs/read_write.c:588 [] ksys_write+0xad/0x170 fs/read_write.c:643 [] do_syscall_x64 arch/x86/entry/common.c:52 [inline] [] do_syscall_64+0x50/0x140 arch/x86/entry/common.c:83 [] entry_SYSCALL_64_after_hwframe+0x63/0x6b BUG: memory leak unreferenced object 0xffff88811c962a00 (size 240): comm "syz-executor.0", pid 5762, jiffies 4294945341 hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace (crc c26b0525): [] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline] [] slab_post_alloc_hook mm/slub.c:3817 [inline] [] slab_alloc_node mm/slub.c:3860 [inline] [] kmem_cache_alloc_node+0x28a/0x330 mm/slub.c:3903 [] __alloc_skb+0x1ef/0x230 net/core/skbuff.c:641 [] alloc_skb include/linux/skbuff.h:1296 [inline] [] virtual_ncidev_write+0x34/0xf0 drivers/nfc/virtual_ncidev.c:120 [] vfs_write+0x16e/0x590 fs/read_write.c:588 [] ksys_write+0xad/0x170 fs/read_write.c:643 [] do_syscall_x64 arch/x86/entry/common.c:52 [inline] [] do_syscall_64+0x50/0x140 arch/x86/entry/common.c:83 [] entry_SYSCALL_64_after_hwframe+0x63/0x6b BUG: memory leak unreferenced object 0xffff88810c4c8f00 (size 640): comm "syz-executor.0", pid 5762, jiffies 4294945341 hex dump (first 32 bytes): 10 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace (crc 900fb1d0): [] kmemleak_alloc_recursive include/linux/kmemleak.h:42 [inline] [] slab_post_alloc_hook mm/slub.c:3817 [inline] [] slab_alloc_node mm/slub.c:3860 [inline] [] kmem_cache_alloc_node+0x28a/0x330 mm/slub.c:3903 [] kmalloc_reserve+0xe2/0x170 net/core/skbuff.c:560 [] __alloc_skb+0xd5/0x230 net/core/skbuff.c:651 [] alloc_skb include/linux/skbuff.h:1296 [inline] [] virtual_ncidev_write+0x34/0xf0 drivers/nfc/virtual_ncidev.c:120 [] vfs_write+0x16e/0x590 fs/read_write.c:588 [] ksys_write+0xad/0x170 fs/read_write.c:643 [] do_syscall_x64 arch/x86/entry/common.c:52 [inline] [] do_syscall_64+0x50/0x140 arch/x86/entry/common.c:83 [] entry_SYSCALL_64_after_hwframe+0x63/0x6b