executing program
executing program
BUG: memory leak
unreferenced object 0xffff888118e81e00 (size 224):
  comm "syz-executor164", pid 6471, jiffies 4294948362 (age 13.140s)
  hex dump (first 32 bytes):
    a0 7c 53 2a 81 88 ff ff a0 7c 53 2a 81 88 ff ff  .|S*.....|S*....
    00 40 c1 24 81 88 ff ff 00 00 00 00 00 00 00 00  .@.$............
  backtrace:
    [<00000000264d3f17>] __build_skb+0x1f/0x100 net/core/skbuff.c:311
    [<00000000cee9ca38>] __napi_alloc_skb+0xe5/0x140 net/core/skbuff.c:523
    [<0000000077c495c5>] napi_alloc_skb include/linux/skbuff.h:2856 [inline]
    [<0000000077c495c5>] napi_get_frags net/core/dev.c:6053 [inline]
    [<0000000077c495c5>] napi_get_frags+0x3a/0x70 net/core/dev.c:6048
    [<000000001f7a4daf>] tun_napi_alloc_frags drivers/net/tun.c:1425 [inline]
    [<000000001f7a4daf>] tun_get_user+0xa43/0x1660 drivers/net/tun.c:1789
    [<000000002e515728>] tun_chr_write_iter+0x66/0xa0 drivers/net/tun.c:1986
    [<00000000f3139c6a>] call_write_iter include/linux/fs.h:1882 [inline]
    [<00000000f3139c6a>] new_sync_write+0x173/0x210 fs/read_write.c:503
    [<000000006f73a7e3>] vfs_write+0x21d/0x280 fs/read_write.c:578
    [<00000000cb918094>] ksys_write+0x72/0x120 fs/read_write.c:631
    [<00000000d0cfa275>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000007144e646>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888118e81500 (size 224):
  comm "syz-executor164", pid 6516, jiffies 4294948914 (age 7.620s)
  hex dump (first 32 bytes):
    a0 e4 c5 18 81 88 ff ff a0 e4 c5 18 81 88 ff ff  ................
    00 80 01 15 81 88 ff ff 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000264d3f17>] __build_skb+0x1f/0x100 net/core/skbuff.c:311
    [<00000000cee9ca38>] __napi_alloc_skb+0xe5/0x140 net/core/skbuff.c:523
    [<0000000077c495c5>] napi_alloc_skb include/linux/skbuff.h:2856 [inline]
    [<0000000077c495c5>] napi_get_frags net/core/dev.c:6053 [inline]
    [<0000000077c495c5>] napi_get_frags+0x3a/0x70 net/core/dev.c:6048
    [<000000001f7a4daf>] tun_napi_alloc_frags drivers/net/tun.c:1425 [inline]
    [<000000001f7a4daf>] tun_get_user+0xa43/0x1660 drivers/net/tun.c:1789
    [<000000002e515728>] tun_chr_write_iter+0x66/0xa0 drivers/net/tun.c:1986
    [<00000000f3139c6a>] call_write_iter include/linux/fs.h:1882 [inline]
    [<00000000f3139c6a>] new_sync_write+0x173/0x210 fs/read_write.c:503
    [<000000006f73a7e3>] vfs_write+0x21d/0x280 fs/read_write.c:578
    [<00000000cb918094>] ksys_write+0x72/0x120 fs/read_write.c:631
    [<00000000d0cfa275>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<000000007144e646>] entry_SYSCALL_64_after_hwframe+0x44/0xa9