executing program
executing program
BUG: memory leak
unreferenced object 0xffff88811a63ac00 (size 224):
  comm "syz-executor498", pid 6486, jiffies 4294943326 (age 13.890s)
  hex dump (first 32 bytes):
    a0 0c e1 2a 81 88 ff ff a0 0c e1 2a 81 88 ff ff  ...*.......*....
    00 c0 d3 1b 81 88 ff ff 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000022457312>] __build_skb+0x1f/0x100 net/core/skbuff.c:311
    [<00000000edf59a57>] __napi_alloc_skb+0xe5/0x140 net/core/skbuff.c:523
    [<00000000813fe86c>] napi_alloc_skb include/linux/skbuff.h:2865 [inline]
    [<00000000813fe86c>] napi_get_frags net/core/dev.c:6053 [inline]
    [<00000000813fe86c>] napi_get_frags+0x3a/0x70 net/core/dev.c:6048
    [<000000005e92aa3d>] tun_napi_alloc_frags drivers/net/tun.c:1425 [inline]
    [<000000005e92aa3d>] tun_get_user+0xa43/0x1660 drivers/net/tun.c:1789
    [<00000000abdda2fd>] tun_chr_write_iter+0x66/0xa0 drivers/net/tun.c:1986
    [<0000000038e54a86>] call_write_iter include/linux/fs.h:1882 [inline]
    [<0000000038e54a86>] new_sync_write+0x173/0x210 fs/read_write.c:503
    [<00000000a9c1c495>] vfs_write+0x21d/0x280 fs/read_write.c:578
    [<000000003229fcd5>] ksys_write+0x72/0x120 fs/read_write.c:631
    [<0000000016a4f705>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<0000000002caa0ec>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88811bc64400 (size 224):
  comm "syz-executor498", pid 6538, jiffies 4294943862 (age 8.530s)
  hex dump (first 32 bytes):
    a0 cc 0a 1b 81 88 ff ff a0 cc 0a 1b 81 88 ff ff  ................
    00 c0 d3 1b 81 88 ff ff 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<0000000022457312>] __build_skb+0x1f/0x100 net/core/skbuff.c:311
    [<00000000edf59a57>] __napi_alloc_skb+0xe5/0x140 net/core/skbuff.c:523
    [<00000000813fe86c>] napi_alloc_skb include/linux/skbuff.h:2865 [inline]
    [<00000000813fe86c>] napi_get_frags net/core/dev.c:6053 [inline]
    [<00000000813fe86c>] napi_get_frags+0x3a/0x70 net/core/dev.c:6048
    [<000000005e92aa3d>] tun_napi_alloc_frags drivers/net/tun.c:1425 [inline]
    [<000000005e92aa3d>] tun_get_user+0xa43/0x1660 drivers/net/tun.c:1789
    [<00000000abdda2fd>] tun_chr_write_iter+0x66/0xa0 drivers/net/tun.c:1986
    [<0000000038e54a86>] call_write_iter include/linux/fs.h:1882 [inline]
    [<0000000038e54a86>] new_sync_write+0x173/0x210 fs/read_write.c:503
    [<00000000a9c1c495>] vfs_write+0x21d/0x280 fs/read_write.c:578
    [<000000003229fcd5>] ksys_write+0x72/0x120 fs/read_write.c:631
    [<0000000016a4f705>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<0000000002caa0ec>] entry_SYSCALL_64_after_hwframe+0x44/0xa9