------------[ cut here ]------------
refcount_t: saturated; leaking memory.
WARNING: CPU: 1 PID: 7198 at lib/refcount.c:22 refcount_warn_saturate+0x153/0x1a0 lib/refcount.c:22
Modules linked in:
CPU: 1 PID: 7198 Comm: syz.5.532 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:refcount_warn_saturate+0x153/0x1a0 lib/refcount.c:22
Code: 09 01 48 c7 c7 c0 d7 de 8a e8 19 a0 3c fd 0f 0b eb 8c e8 90 31 71 fd c6 05 df 3c fa 09 01 48 c7 c7 c0 d7 de 8a e8 fd 9f 3c fd <0f> 0b e9 6d ff ff ff e8 71 31 71 fd c6 05 c4 3c fa 09 01 48 c7 c7
RSP: 0018:ffffc90003667798 EFLAGS: 00010246
RAX: 06bf1bc95457ac00 RBX: 0000000000000001 RCX: 0000000000080000
RDX: ffffc900115bb000 RSI: 00000000000030e2 RDI: 00000000000030e3
RBP: 00000000ffffffff R08: ffffc90003667427 R09: 1ffff920006cce84
R10: dffffc0000000000 R11: fffff520006cce85 R12: ffff8881401ae218
R13: ffffffff96c54860 R14: 0000000000000001 R15: ffff8881401ae200
FS:  00007f89c3db26c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f89c3db1ff8 CR3: 00000000602e5000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 __refcount_add include/linux/refcount.h:-1 [inline]
 __refcount_inc include/linux/refcount.h:250 [inline]
 refcount_inc include/linux/refcount.h:267 [inline]
 kref_get include/linux/kref.h:45 [inline]
 dvb_device_get drivers/media/dvb-core/dvbdev.c:631 [inline]
 dvb_device_open+0x330/0x370 drivers/media/dvb-core/dvbdev.c:106
 chrdev_open+0x5c5/0x6a0 fs/char_dev.c:414
 do_dentry_open+0x7e9/0x10d0 fs/open.c:882
 do_open fs/namei.c:3634 [inline]
 path_openat+0x2635/0x2ee0 fs/namei.c:3791
 do_filp_open+0x1f1/0x430 fs/namei.c:3818
 do_sys_openat2+0x150/0x4b0 fs/open.c:1320
 do_sys_open fs/open.c:1336 [inline]
 __do_sys_openat fs/open.c:1352 [inline]
 __se_sys_openat fs/open.c:1347 [inline]
 __x64_sys_openat+0x135/0x160 fs/open.c:1347
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f89c5f5d68e
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007f89c3db1b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f89c3db26c0 RCX: 00007f89c5f5d68e
RDX: 0000000000000002 RSI: 00007f89c3db1c00 RDI: ffffffffffffff9c
RBP: 00007f89c3db1c00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: cccccccccccccccd
R13: 00007f89c6216308 R14: 00007f89c6216270 R15: 00007ffee904c0d8
 </TASK>