executing program
executing program
BUG: memory leak
unreferenced object 0xffff88810f8a5700 (size 224):
  comm "syz-executor088", pid 8581, jiffies 4294943365 (age 12.400s)
  hex dump (first 32 bytes):
    a0 0c 49 13 81 88 ff ff a0 0c 49 13 81 88 ff ff  ..I.......I.....
    00 c0 8f 0e 81 88 ff ff 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000bec1c64e>] __build_skb+0x1f/0x100 net/core/skbuff.c:311
    [<00000000807b13dc>] __napi_alloc_skb+0xfe/0x160 net/core/skbuff.c:523
    [<0000000016560a56>] napi_alloc_skb include/linux/skbuff.h:2870 [inline]
    [<0000000016560a56>] napi_get_frags net/core/dev.c:6126 [inline]
    [<0000000016560a56>] napi_get_frags+0x3c/0x80 net/core/dev.c:6121
    [<0000000088712aac>] tun_napi_alloc_frags drivers/net/tun.c:1407 [inline]
    [<0000000088712aac>] tun_get_user+0xcfd/0x1b50 drivers/net/tun.c:1771
    [<0000000024681478>] tun_chr_write_iter+0x84/0xe0 drivers/net/tun.c:1972
    [<00000000e9290816>] call_write_iter include/linux/fs.h:1903 [inline]
    [<00000000e9290816>] new_sync_write+0x1d7/0x2b0 fs/read_write.c:518
    [<0000000008abfd69>] vfs_write+0x34c/0x400 fs/read_write.c:605
    [<000000005810ff10>] ksys_write+0x9d/0x160 fs/read_write.c:658
    [<0000000037762a3b>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<00000000ab87ba20>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88810dcbc700 (size 224):
  comm "syz-executor088", pid 8625, jiffies 4294943886 (age 7.190s)
  hex dump (first 32 bytes):
    a0 2c 85 0e 81 88 ff ff a0 2c 85 0e 81 88 ff ff  .,.......,......
    00 00 7c 13 81 88 ff ff 00 00 00 00 00 00 00 00  ..|.............
  backtrace:
    [<00000000bec1c64e>] __build_skb+0x1f/0x100 net/core/skbuff.c:311
    [<00000000807b13dc>] __napi_alloc_skb+0xfe/0x160 net/core/skbuff.c:523
    [<0000000016560a56>] napi_alloc_skb include/linux/skbuff.h:2870 [inline]
    [<0000000016560a56>] napi_get_frags net/core/dev.c:6126 [inline]
    [<0000000016560a56>] napi_get_frags+0x3c/0x80 net/core/dev.c:6121
    [<0000000088712aac>] tun_napi_alloc_frags drivers/net/tun.c:1407 [inline]
    [<0000000088712aac>] tun_get_user+0xcfd/0x1b50 drivers/net/tun.c:1771
    [<0000000024681478>] tun_chr_write_iter+0x84/0xe0 drivers/net/tun.c:1972
    [<00000000e9290816>] call_write_iter include/linux/fs.h:1903 [inline]
    [<00000000e9290816>] new_sync_write+0x1d7/0x2b0 fs/read_write.c:518
    [<0000000008abfd69>] vfs_write+0x34c/0x400 fs/read_write.c:605
    [<000000005810ff10>] ksys_write+0x9d/0x160 fs/read_write.c:658
    [<0000000037762a3b>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<00000000ab87ba20>] entry_SYSCALL_64_after_hwframe+0x44/0xa9