executing program
executing program
BUG: memory leak
unreferenced object 0xffff88810e220500 (size 232):
  comm "syz-executor840", pid 8497, jiffies 4294942738 (age 12.530s)
  hex dump (first 32 bytes):
    a0 04 be 13 81 88 ff ff a0 04 be 13 81 88 ff ff  ................
    00 00 eb 0e 81 88 ff ff 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000d47de382>] __alloc_skb+0x6d/0x280 net/core/skbuff.c:198
    [<0000000063515d15>] __napi_alloc_skb+0x67/0x170 net/core/skbuff.c:520
    [<0000000060444930>] napi_alloc_skb include/linux/skbuff.h:2876 [inline]
    [<0000000060444930>] napi_get_frags net/core/dev.c:6138 [inline]
    [<0000000060444930>] napi_get_frags+0x3c/0x80 net/core/dev.c:6133
    [<000000004bfb9cfd>] tun_napi_alloc_frags drivers/net/tun.c:1371 [inline]
    [<000000004bfb9cfd>] tun_get_user+0xfda/0x1b40 drivers/net/tun.c:1734
    [<00000000474b553a>] tun_chr_write_iter+0x84/0xe0 drivers/net/tun.c:1932
    [<00000000601f57e0>] call_write_iter include/linux/fs.h:1901 [inline]
    [<00000000601f57e0>] new_sync_write+0x1d7/0x2b0 fs/read_write.c:518
    [<000000004814e8c2>] vfs_write+0x34c/0x400 fs/read_write.c:605
    [<00000000e0355e0e>] ksys_write+0x9d/0x160 fs/read_write.c:658
    [<00000000a8b21cdc>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<00000000bba033e6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff88810e30df00 (size 232):
  comm "syz-executor840", pid 8539, jiffies 4294943264 (age 7.270s)
  hex dump (first 32 bytes):
    a0 8c a3 0d 81 88 ff ff a0 8c a3 0d 81 88 ff ff  ................
    00 00 eb 0e 81 88 ff ff 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000d47de382>] __alloc_skb+0x6d/0x280 net/core/skbuff.c:198
    [<0000000063515d15>] __napi_alloc_skb+0x67/0x170 net/core/skbuff.c:520
    [<0000000060444930>] napi_alloc_skb include/linux/skbuff.h:2876 [inline]
    [<0000000060444930>] napi_get_frags net/core/dev.c:6138 [inline]
    [<0000000060444930>] napi_get_frags+0x3c/0x80 net/core/dev.c:6133
    [<000000004bfb9cfd>] tun_napi_alloc_frags drivers/net/tun.c:1371 [inline]
    [<000000004bfb9cfd>] tun_get_user+0xfda/0x1b40 drivers/net/tun.c:1734
    [<00000000474b553a>] tun_chr_write_iter+0x84/0xe0 drivers/net/tun.c:1932
    [<00000000601f57e0>] call_write_iter include/linux/fs.h:1901 [inline]
    [<00000000601f57e0>] new_sync_write+0x1d7/0x2b0 fs/read_write.c:518
    [<000000004814e8c2>] vfs_write+0x34c/0x400 fs/read_write.c:605
    [<00000000e0355e0e>] ksys_write+0x9d/0x160 fs/read_write.c:658
    [<00000000a8b21cdc>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<00000000bba033e6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

BUG: memory leak
unreferenced object 0xffff888101109300 (size 232):
  comm "syz-executor840", pid 8539, jiffies 4294943265 (age 7.260s)
  hex dump (first 32 bytes):
    a0 64 4a 01 81 88 ff ff a0 64 4a 01 81 88 ff ff  .dJ......dJ.....
    00 00 eb 0e 81 88 ff ff 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000d47de382>] __alloc_skb+0x6d/0x280 net/core/skbuff.c:198
    [<0000000063515d15>] __napi_alloc_skb+0x67/0x170 net/core/skbuff.c:520
    [<0000000060444930>] napi_alloc_skb include/linux/skbuff.h:2876 [inline]
    [<0000000060444930>] napi_get_frags net/core/dev.c:6138 [inline]
    [<0000000060444930>] napi_get_frags+0x3c/0x80 net/core/dev.c:6133
    [<000000004bfb9cfd>] tun_napi_alloc_frags drivers/net/tun.c:1371 [inline]
    [<000000004bfb9cfd>] tun_get_user+0xfda/0x1b40 drivers/net/tun.c:1734
    [<00000000474b553a>] tun_chr_write_iter+0x84/0xe0 drivers/net/tun.c:1932
    [<00000000601f57e0>] call_write_iter include/linux/fs.h:1901 [inline]
    [<00000000601f57e0>] new_sync_write+0x1d7/0x2b0 fs/read_write.c:518
    [<000000004814e8c2>] vfs_write+0x34c/0x400 fs/read_write.c:605
    [<00000000e0355e0e>] ksys_write+0x9d/0x160 fs/read_write.c:658
    [<00000000a8b21cdc>] do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
    [<00000000bba033e6>] entry_SYSCALL_64_after_hwframe+0x44/0xa9