executing program executing program BUG: memory leak unreferenced object 0xffff8881190cad00 (size 224): comm "syz-executor721", pid 6458, jiffies 4294942932 (age 12.890s) hex dump (first 32 bytes): a0 8c d8 1c 81 88 ff ff a0 8c d8 1c 81 88 ff ff ................ 00 c0 bc 2a 81 88 ff ff 00 00 00 00 00 00 00 00 ...*............ backtrace: [<0000000095ae6c53>] __build_skb+0x1f/0x100 net/core/skbuff.c:311 [<000000005c95ce25>] __napi_alloc_skb+0xe5/0x140 net/core/skbuff.c:523 [<0000000042085c2e>] napi_alloc_skb include/linux/skbuff.h:2856 [inline] [<0000000042085c2e>] napi_get_frags net/core/dev.c:6053 [inline] [<0000000042085c2e>] napi_get_frags+0x3a/0x70 net/core/dev.c:6048 [<0000000086af6b97>] tun_napi_alloc_frags drivers/net/tun.c:1425 [inline] [<0000000086af6b97>] tun_get_user+0xa43/0x1660 drivers/net/tun.c:1789 [<000000007acf9294>] tun_chr_write_iter+0x66/0xa0 drivers/net/tun.c:1986 [<000000003e525147>] call_write_iter include/linux/fs.h:1882 [inline] [<000000003e525147>] new_sync_write+0x173/0x210 fs/read_write.c:503 [<0000000078d09c4d>] vfs_write+0x21d/0x280 fs/read_write.c:578 [<00000000c9d48729>] ksys_write+0x72/0x120 fs/read_write.c:631 [<000000008a181c50>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 [<00000000dd154974>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 BUG: memory leak unreferenced object 0xffff8881190ca900 (size 224): comm "syz-executor721", pid 6504, jiffies 4294943471 (age 7.500s) hex dump (first 32 bytes): a0 7c 24 1b 81 88 ff ff a0 7c 24 1b 81 88 ff ff .|$......|$..... 00 c0 bc 2a 81 88 ff ff 00 00 00 00 00 00 00 00 ...*............ backtrace: [<0000000095ae6c53>] __build_skb+0x1f/0x100 net/core/skbuff.c:311 [<000000005c95ce25>] __napi_alloc_skb+0xe5/0x140 net/core/skbuff.c:523 [<0000000042085c2e>] napi_alloc_skb include/linux/skbuff.h:2856 [inline] [<0000000042085c2e>] napi_get_frags net/core/dev.c:6053 [inline] [<0000000042085c2e>] napi_get_frags+0x3a/0x70 net/core/dev.c:6048 [<0000000086af6b97>] tun_napi_alloc_frags drivers/net/tun.c:1425 [inline] [<0000000086af6b97>] tun_get_user+0xa43/0x1660 drivers/net/tun.c:1789 [<000000007acf9294>] tun_chr_write_iter+0x66/0xa0 drivers/net/tun.c:1986 [<000000003e525147>] call_write_iter include/linux/fs.h:1882 [inline] [<000000003e525147>] new_sync_write+0x173/0x210 fs/read_write.c:503 [<0000000078d09c4d>] vfs_write+0x21d/0x280 fs/read_write.c:578 [<00000000c9d48729>] ksys_write+0x72/0x120 fs/read_write.c:631 [<000000008a181c50>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 [<00000000dd154974>] entry_SYSCALL_64_after_hwframe+0x44/0xa9