From 506ada89629ec7059b96ecfb0dc7d33ece0103ca Mon Sep 17 00:00:00 2001 From: Eduard Zingerman Date: Fri, 4 Sep 2026 17:05:56 -0700 Subject: bpf: mark a NULL kfunc argument precise check_kfunc_arg() allows bpf_register_is_null() for nullable arguments w/o marking the underlying scalar register precise. Hence a checkpoint created on such a path would prune against arbitrary scalar value. Fixes: 3bda08b63670 ("bpf: Allow NULL buffers in bpf_dynptr_slice(_rw)") Signed-off-by: Eduard Zingerman Link: https://lore.kernel.org/r/20260904-register-is-null-precise-fixes-v1-5-0f5a360ff15d@gmail.com Signed-off-by: Alexei Starovoitov --- net/atm/common.h | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 net/atm/common.h (limited to 'net/atm/common.h') diff --git a/net/atm/common.h b/net/atm/common.h new file mode 100644 index 000000000..11cb51dd7 --- /dev/null +++ b/net/atm/common.h @@ -0,0 +1,51 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* net/atm/common.h - ATM sockets (common part for PVC and SVC) */ + +/* Written 1995-2000 by Werner Almesberger, EPFL LRC/ICA */ + + +#ifndef NET_ATM_COMMON_H +#define NET_ATM_COMMON_H + +#include +#include /* for poll_table */ + + +int vcc_create(struct net *net, struct socket *sock, int protocol, int family, int kern); +int vcc_release(struct socket *sock); +int vcc_connect(struct socket *sock, int itf, short vpi, int vci); +int vcc_recvmsg(struct socket *sock, struct msghdr *msg, size_t size, + int flags); +int vcc_sendmsg(struct socket *sock, struct msghdr *m, size_t total_len); +__poll_t vcc_poll(struct file *file, struct socket *sock, poll_table *wait); +int vcc_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg); +int vcc_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg); +int vcc_setsockopt(struct socket *sock, int level, int optname, + sockptr_t optval, unsigned int optlen); +int vcc_getsockopt(struct socket *sock, int level, int optname, + sockopt_t *opt); +void vcc_process_recv_queue(struct atm_vcc *vcc); + +int atmpvc_init(void); +void atmpvc_exit(void); +int atm_sysfs_init(void); +void atm_sysfs_exit(void); + +#ifdef CONFIG_PROC_FS +int atm_proc_init(void); +void atm_proc_exit(void); +#else +static inline int atm_proc_init(void) +{ + return 0; +} + +static inline void atm_proc_exit(void) +{ + /* nothing */ +} +#endif /* CONFIG_PROC_FS */ + +void atm_dev_release_vccs(struct atm_dev *dev); + +#endif -- cgit v1.3.1