Stanislav Fomichev 329a766355 bpf: Prevent decl_tag from being referenced in func_proto arg ... [ Upstream commit f17472d459 ] Syzkaller managed to hit another decl_tag issue: btf_func_proto_check kernel/bpf/btf.c:4506 [inline] btf_check_all_types kernel/bpf/btf.c:4734 [inline] btf_parse_type_sec+0x1175/0x1980 kernel/bpf/btf.c:4763 btf_parse kernel/bpf/btf.c:5042 [inline] btf_new_fd+0x65a/0xb00 kernel/bpf/btf.c:6709 bpf_btf_load+0x6f/0x90 kernel/bpf/syscall.c:4342 __sys_bpf+0x50a/0x6c0 kernel/bpf/syscall.c:5034 __do_sys_bpf kernel/bpf/syscall.c:5093 [inline] __se_sys_bpf kernel/bpf/syscall.c:5091 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5091 do_syscall_64+0x54/0x70 arch/x86/entry/common.c:48 This seems similar to commit ea68376c8b ("bpf: prevent decl_tag from being referenced in func_proto") but for the argument. Reported-by: syzbot+8dd0551dda6020944c5d@syzkaller.appspotmail.com Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Yonghong Song <yhs@fb.com> Link: https://lore.kernel.org/bpf/20221123035422.872531-2-sdf@google.com Signed-off-by: Sasha Levin <sashal@kernel.org>		2023-01-14 10:16:18 +01:00
..
bpf	bpf: Prevent decl_tag from being referenced in func_proto arg	2023-01-14 10:16:18 +01:00
cgroup	memcg: fix possible use-after-free in memcg_write_event_control()	2022-12-14 11:31:57 +01:00
configs
debug	lockdown: also lock down previous kgdb use	2022-05-30 09:33:22 +02:00
dma	swiotlb: max mapping size takes min align mask into account	2022-10-05 10:38:40 +02:00
entry	entry/kvm: Exit to user mode when TIF_NOTIFY_SIGNAL is set	2023-01-04 11:39:22 +01:00
events	perf: Fix possible memleak in pmu_dev_alloc()	2023-01-14 10:15:16 +01:00
futex	futex: Resend potentially swallowed owner death notification	2023-01-14 10:15:20 +01:00
gcov	gcov: clang: fix the buffer overflow issue	2022-12-02 17:40:04 +01:00
irq	genirq: Add IRQF_NO_AUTOEN for request_irq/nmi()	2023-01-14 10:15:58 +01:00
kcsan	kcsan: Fix debugfs initcall return type	2021-05-26 12:06:54 +02:00
livepatch	livepatch: fix race between fork and KLP transition	2022-10-26 13:25:14 +02:00
locking	locking/lockdep: Fix lockdep_init_map_*() confusion	2022-08-21 15:15:33 +02:00
power	PM: hibernate: Fix mistake in kerneldoc comment	2023-01-14 10:15:15 +01:00
printk	printk: fix return value of printk.devkmsg __setup handler	2022-04-08 14:40:08 +02:00
rcu	rcu: Fix __this_cpu_read() lockdep warning in rcu_force_quiescent_state()	2023-01-14 10:16:13 +01:00
sched	sched/uclamp: Fix relationship between uclamp and migration margin	2023-01-14 10:15:15 +01:00
time	timekeeping: contribute wall clock to rng on time change	2022-08-21 15:16:20 +02:00
trace	tracing/hist: Fix issue of losting command info in error_log	2023-01-14 10:16:01 +01:00
.gitignore	kbuild: update config_data.gz only when the content of .config is changed	2021-05-11 14:47:37 +02:00
acct.c	acct: fix potential integer overflow in encode_comp_t()	2023-01-14 10:16:14 +01:00
async.c	Revert "module, async: async_synchronize_full() on module init iff async is used"	2022-02-23 12:01:00 +01:00
audit_fsnotify.c	audit: fix potential double free on error path from fsnotify_add_inode_mark	2022-08-31 17:15:13 +02:00
audit_tree.c	audit: move put_tree() to avoid trim_trees refcount underflow and UAF	2021-09-03 10:09:31 +02:00
audit_watch.c	fsnotify: generalize handle_inode_event()	2020-12-30 11:54:18 +01:00
audit.c	audit: improve audit queue handling when "audit=1" on cmdline	2022-02-08 18:30:34 +01:00
audit.h	audit: log AUDIT_TIME_* records only from rules	2022-04-08 14:40:00 +02:00
auditfilter.c
auditsc.c	audit: log AUDIT_TIME_* records only from rules	2022-04-08 14:40:00 +02:00
backtracetest.c
bounds.c
capability.c
compat.c
configs.c
context_tracking.c
cpu_pm.c	PM: cpu: Make notifier chain use a raw_spinlock_t	2021-09-15 09:50:40 +02:00
cpu.c	cpu/hotplug: Make target_store() a nop when target == state	2023-01-14 10:15:20 +01:00
crash_core.c	crash_core, vmcoreinfo: append 'SECTION_SIZE_BITS' to vmcoreinfo	2021-06-23 14:42:52 +02:00
crash_dump.c
cred.c	Revert "Add a reference to ucounts for each cred"	2021-09-08 08:49:00 +02:00
delayacct.c
dma.c
exec_domain.c
exit.c	io_uring: import 5.15-stable io_uring	2023-01-04 11:39:23 +01:00
extable.c
fail_function.c
fork.c	io_uring: import 5.15-stable io_uring	2023-01-04 11:39:23 +01:00
freezer.c	Revert "kernel: freezer should treat PF_IO_WORKER like PF_KTHREAD for freezing"	2021-04-07 15:00:14 +02:00
gen_kheaders.sh
groups.c
hung_task.c
iomem.c
irq_work.c
jump_label.c	jump_label: Fix jump_label_text_reserved() vs __init	2021-07-20 16:05:58 +02:00
kallsyms.c
kcmp.c	exec: Transform exec_update_mutex into a rw_semaphore	2021-01-09 13:46:24 +01:00
Kconfig.freezer
Kconfig.hz
Kconfig.locks
Kconfig.preempt
kcov.c
kexec_core.c	kernel: kexec: remove the lock operation of system_transition_mutex	2021-02-03 23:28:37 +01:00
kexec_elf.c
kexec_file.c	ima: force signature verification when CONFIG_KEXEC_SIG is configured	2022-07-21 21:20:11 +02:00
kexec_internal.h
kexec.c
kheaders.c
kmod.c
kprobes.c	kprobes: Skip clearing aggrprobe's post_handler in kprobe-on-ftrace case	2022-11-25 17:45:55 +01:00
ksysfs.c
kthread.c	kthread: Fix PF_KTHREAD vs to_kthread() race	2021-09-03 10:09:31 +02:00
latencytop.c
Makefile	futex: Move to kernel/futex/	2023-01-14 10:15:20 +01:00
module_signature.c	module: harden ELF info handling	2021-03-25 09:04:11 +01:00
module_signing.c	module: harden ELF info handling	2021-03-25 09:04:11 +01:00
module-internal.h
module.c	module: check for exit sections in layout_sections() instead of module_init_section()	2022-05-25 09:18:02 +02:00
notifier.c
nsproxy.c
padata.c	padata: Fix list iterator in padata_do_serial()	2023-01-14 10:15:51 +01:00
panic.c
params.c
pid_namespace.c	memcg: enable accounting for pids in nested pid namespaces	2021-09-18 13:40:36 +02:00
pid.c	exec: Transform exec_update_mutex into a rw_semaphore	2021-01-09 13:46:24 +01:00
profile.c	profiling: fix shift too large makes kernel panic	2022-08-21 15:16:05 +02:00
ptrace.c	ptrace: Reimplement PTRACE_KILL by always sending SIGKILL	2022-06-09 10:20:49 +02:00
range.c
reboot.c
regset.c
relay.c	relay: fix type mismatch when allocating memory in relay_create_buf()	2023-01-14 10:15:22 +01:00
resource.c	kernel/resource: make walk_mem_res() find all busy IORESOURCE_MEM resources	2021-05-19 10:13:09 +02:00
rseq.c	rseq: Remove broken uapi field layout on 32-bit little endian	2022-04-08 14:40:03 +02:00
scftorture.c	scftorture: Fix distribution of short handler delays	2022-06-09 10:21:01 +02:00
scs.c
seccomp.c	seccomp: Fix setting loaded filter count during TSYNC	2021-08-18 08:59:06 +02:00
signal.c	task_work: unconditionally run task_work from get_signal()	2023-01-04 11:39:23 +01:00
smp.c	smp: Fix offline cpu check in flush_smp_call_function_queue()	2022-04-20 09:23:29 +02:00
smpboot.c	sched/core: Initialize the idle task with preemption disabled	2021-07-14 16:55:50 +02:00
smpboot.h
softirq.c
stackleak.c	gcc-plugins/stackleak: Use noinstr in favor of notrace	2022-02-23 12:01:00 +01:00
stacktrace.c
static_call.c	static_call: Fix unused variable warn w/o MODULE	2021-09-08 08:49:00 +02:00
stop_machine.c
sys_ni.c	kernel/sys_ni: add compat entry for fadvise64_64	2022-08-31 17:15:13 +02:00
sys.c	prctl: allow to setup brk for et_dyn executables	2021-09-26 14:08:57 +02:00
sysctl-test.c
sysctl.c	proc: proc_skip_spaces() shouldn't think it is working on C strings	2022-12-08 11:24:00 +01:00
task_work.c	task_work: add helper for more targeted task_work canceling	2023-01-04 11:39:23 +01:00
taskstats.c
test_kprobes.c
torture.c
tracepoint.c	tracepoint: Use rcu get state and cond sync for static call updates	2021-09-03 10:09:30 +02:00
tsacct.c	taskstats: Cleanup the use of task->exit_code	2022-01-27 10:54:33 +01:00
ucount.c	Revert "Add a reference to ucounts for each cred"	2021-09-08 08:49:00 +02:00
uid16.c
uid16.h
umh.c
up.c	smp: Fix smp_call_function_single_async prototype	2021-05-14 09:50:46 +02:00
user_namespace.c	Revert "Add a reference to ucounts for each cred"	2021-09-08 08:49:00 +02:00
user-return-notifier.c
user.c
usermode_driver.c	bpf: Fix umd memory leak in copy_process()	2021-03-30 14:32:03 +02:00
utsname_sysctl.c
utsname.c
watch_queue.c	watch_queue: Fix missing locking in add_watch_to_object()	2022-08-03 12:00:44 +02:00
watchdog_hld.c
watchdog.c	watchdog: export lockup_detector_reconfigure	2022-08-25 11:38:20 +02:00
workqueue_internal.h
workqueue.c	workqueue: don't skip lockdep work dependency in cancel_work_sync()	2022-09-28 11:10:40 +02:00