diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2026-03-03 08:23:43 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2026-03-04 18:18:57 -0800 |
| commit | 66083581945bd5b8e99fe49b5aeb83d03f62d053 (patch) | |
| tree | 13e3add511cdf6161741092806511f7ff6965540 /include/linux/stackdepot.h | |
| parent | d42449d2c17cdf06d1f63268557450bd3f051e9a (diff) | |
nfc: nci: complete pending data exchange on device close
In nci_close_device(), complete any pending data exchange before
closing. The data exchange callback (e.g.
rawsock_data_exchange_complete) holds a socket reference.
NIPA occasionally hits this leak:
unreferenced object 0xff1100000f435000 (size 2048):
comm "nci_dev", pid 3954, jiffies 4295441245
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
27 00 01 40 00 00 00 00 00 00 00 00 00 00 00 00 '..@............
backtrace (crc ec2b3c5):
__kmalloc_noprof+0x4db/0x730
sk_prot_alloc.isra.0+0xe4/0x1d0
sk_alloc+0x36/0x760
rawsock_create+0xd1/0x540
nfc_sock_create+0x11f/0x280
__sock_create+0x22d/0x630
__sys_socket+0x115/0x1d0
__x64_sys_socket+0x72/0xd0
do_syscall_64+0x117/0xfc0
entry_SYSCALL_64_after_hwframe+0x4b/0x53
Fixes: 38f04c6b1b68 ("NFC: protect nci_data_exchange transactions")
Reviewed-by: Joe Damato <joe@dama.to>
Link: https://patch.msgid.link/20260303162346.2071888-4-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/linux/stackdepot.h')
0 files changed, 0 insertions, 0 deletions