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2023-04-21selftests/bpf: verifier/regalloc converted to inline assemblyEduard Zingerman
Test verifier/regalloc automatically converted to use inline assembly. Signed-off-by: Eduard Zingerman <eddyz87@gmail.com> Link: https://lore.kernel.org/r/20230421174234.2391278-17-eddyz87@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-04-21selftests/bpf: verifier/ref_tracking converted to inline assemblyEduard Zingerman
Test verifier/ref_tracking automatically converted to use inline assembly. Signed-off-by: Eduard Zingerman <eddyz87@gmail.com> Link: https://lore.kernel.org/r/20230421174234.2391278-16-eddyz87@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-04-21selftests/bpf: verifier/map_ptr_mixing converted to inline assemblyEduard Zingerman
Test verifier/map_ptr_mixing automatically converted to use inline assembly. Signed-off-by: Eduard Zingerman <eddyz87@gmail.com> Link: https://lore.kernel.org/r/20230421174234.2391278-13-eddyz87@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-04-21selftests/bpf: verifier/map_in_map converted to inline assemblyEduard Zingerman
Test verifier/map_in_map automatically converted to use inline assembly. Signed-off-by: Eduard Zingerman <eddyz87@gmail.com> Link: https://lore.kernel.org/r/20230421174234.2391278-12-eddyz87@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-04-21selftests/bpf: verifier/lwt converted to inline assemblyEduard Zingerman
Test verifier/lwt automatically converted to use inline assembly. Signed-off-by: Eduard Zingerman <eddyz87@gmail.com> Link: https://lore.kernel.org/r/20230421174234.2391278-11-eddyz87@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-04-21selftests/bpf: verifier/loops1 converted to inline assemblyEduard Zingerman
Test verifier/loops1 automatically converted to use inline assembly. There are a few modifications for the converted tests. "tracepoint" programs do not support test execution, change program type to "xdp" (which supports test execution) for the following tests that have __retval tags: - bounded loop, count to 4 - bonded loop containing forward jump Also, remove the __retval tag for test: - bounded loop, count from positive unknown to 4 As it's return value is a random number. Signed-off-by: Eduard Zingerman <eddyz87@gmail.com> Link: https://lore.kernel.org/r/20230421174234.2391278-10-eddyz87@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-04-21selftests/bpf: verifier/jeq_infer_not_null converted to inline assemblyEduard Zingerman
Test verifier/jeq_infer_not_null automatically converted to use inline assembly. Signed-off-by: Eduard Zingerman <eddyz87@gmail.com> Link: https://lore.kernel.org/r/20230421174234.2391278-9-eddyz87@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-04-21selftests/bpf: verifier/direct_packet_access converted to inline assemblyEduard Zingerman
Test verifier/direct_packet_access automatically converted to use inline assembly. Signed-off-by: Eduard Zingerman <eddyz87@gmail.com> Link: https://lore.kernel.org/r/20230421174234.2391278-8-eddyz87@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-04-21selftests/bpf: verifier/d_path converted to inline assemblyEduard Zingerman
Test verifier/d_path automatically converted to use inline assembly. Signed-off-by: Eduard Zingerman <eddyz87@gmail.com> Link: https://lore.kernel.org/r/20230421174234.2391278-7-eddyz87@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-04-21selftests/bpf: verifier/ctx converted to inline assemblyEduard Zingerman
Test verifier/ctx automatically converted to use inline assembly. Signed-off-by: Eduard Zingerman <eddyz87@gmail.com> Link: https://lore.kernel.org/r/20230421174234.2391278-6-eddyz87@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-04-21selftests/bpf: verifier/btf_ctx_access converted to inline assemblyEduard Zingerman
Test verifier/btf_ctx_access automatically converted to use inline assembly. Signed-off-by: Eduard Zingerman <eddyz87@gmail.com> Link: https://lore.kernel.org/r/20230421174234.2391278-5-eddyz87@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-04-21selftests/bpf: verifier/bpf_get_stack converted to inline assemblyEduard Zingerman
Test verifier/bpf_get_stack automatically converted to use inline assembly. Signed-off-by: Eduard Zingerman <eddyz87@gmail.com> Link: https://lore.kernel.org/r/20230421174234.2391278-4-eddyz87@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-04-21selftests/bpf: verifier/bounds converted to inline assemblyEduard Zingerman
Test verifier/bounds automatically converted to use inline assembly. Signed-off-by: Eduard Zingerman <eddyz87@gmail.com> Link: https://lore.kernel.org/r/20230421174234.2391278-3-eddyz87@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-04-21selftests/bpf: Add notion of auxiliary programs for test_loaderEduard Zingerman
In order to express test cases that use bpf_tail_call() intrinsic it is necessary to have several programs to be loaded at a time. This commit adds __auxiliary annotation to the set of annotations supported by test_loader.c. Programs marked as auxiliary are always loaded but are not treated as a separate test. For example: void dummy_prog1(void); struct { __uint(type, BPF_MAP_TYPE_PROG_ARRAY); __uint(max_entries, 4); __uint(key_size, sizeof(int)); __array(values, void (void)); } prog_map SEC(".maps") = { .values = { [0] = (void *) &dummy_prog1, }, }; SEC("tc") __auxiliary __naked void dummy_prog1(void) { asm volatile ("r0 = 42; exit;"); } SEC("tc") __description("reference tracking: check reference or tail call") __success __retval(0) __naked void check_reference_or_tail_call(void) { asm volatile ( "r2 = %[prog_map] ll;" "r3 = 0;" "call %[bpf_tail_call];" "r0 = 0;" "exit;" :: __imm(bpf_tail_call), : __clobber_all); } Signed-off-by: Eduard Zingerman <eddyz87@gmail.com> Link: https://lore.kernel.org/r/20230421174234.2391278-2-eddyz87@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-04-21Merge branch 'bpf: add netfilter program type'Alexei Starovoitov
Florian Westphal says: ==================== Changes since last version: - rework test case in last patch wrt. ctx->skb dereference etc (Alexei) - pacify bpf ci tests, netfilter program type missed string translation in libbpf helper. This still uses runtime btf walk rather than extending the btf trace array as Alexei suggested, I would do this later (or someone else can). v1 cover letter: Add minimal support to hook bpf programs to netfilter hooks, e.g. PREROUTING or FORWARD. For this the most relevant parts for registering a netfilter hook via the in-kernel api are exposed to userspace via bpf_link. The new program type is 'tracing style', i.e. there is no context access rewrite done by verifier, the function argument (struct bpf_nf_ctx) isn't stable. There is no support for direct packet access, dynptr api should be used instead. With this its possible to build a small test program such as: #include "vmlinux.h" extern int bpf_dynptr_from_skb(struct __sk_buff *skb, __u64 flags, struct bpf_dynptr *ptr__uninit) __ksym; extern void *bpf_dynptr_slice(const struct bpf_dynptr *ptr, uint32_t offset, void *buffer, uint32_t buffer__sz) __ksym; SEC("netfilter") int nf_test(struct bpf_nf_ctx *ctx) { struct nf_hook_state *state = ctx->state; struct sk_buff *skb = ctx->skb; const struct iphdr *iph, _iph; const struct tcphdr *th, _th; struct bpf_dynptr ptr; if (bpf_dynptr_from_skb(skb, 0, &ptr)) return NF_DROP; iph = bpf_dynptr_slice(&ptr, 0, &_iph, sizeof(_iph)); if (!iph) return NF_DROP; th = bpf_dynptr_slice(&ptr, iph->ihl << 2, &_th, sizeof(_th)); if (!th) return NF_DROP; bpf_printk("accept %x:%d->%x:%d, hook %d ifin %d\n", iph->saddr, bpf_ntohs(th->source), iph->daddr, bpf_ntohs(th->dest), state->hook, state->in->ifindex); return NF_ACCEPT; } Then, tail /sys/kernel/tracing/trace_pipe. Changes since v3: - uapi: remove 'reserved' struct member, s/prio/priority (Alexei) - add ctx access test cases (Alexei, see last patch) - some arm32 can only handle cmpxchg on u32 (build bot) - Fix kdoc annotations (Simon Horman) - bpftool: prefer p_err, not fprintf (Quentin) - add test cases in separate patch Changes since v2: 1. don't WARN when user calls 'bpftool loink detach' twice restrict attachment to ip+ip6 families, lets relax this later in case arp/bridge/netdev are needed too. 2. show netfilter links in 'bpftool net' output as well. Changes since v1: 1. Don't fail to link when CONFIG_NETFILTER=n (build bot) 2. Use test_progs instead of test_verifier (Alexei) Changes since last RFC version: 1. extend 'bpftool link show' to print prio/hooknum etc 2. extend 'nft list hooks' so it can print the bpf program id 3. Add an extra patch to artificially restrict bpf progs with same priority. Its fine from a technical pov but it will cause ordering issues (most recent one comes first). Can be removed later. 4. Add test_run support for netfilter prog type and a small extension to verifier tests to make sure we can't return verdicts like NF_STOLEN. 5. Alter the netfilter part of the bpf_link uapi struct: - add flags/reserved members. Not used here except returning errors when they are nonzero. Plan is to allow the bpf_link users to enable netfilter defrag or conntrack engine by setting feature flags at link create time in the future. ==================== Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-04-21selftests/bpf: add missing netfilter return value and ctx access testsFlorian Westphal
Extend prog_tests with two test cases: # ./test_progs --allow=verifier_netfilter_retcode #278/1 verifier_netfilter_retcode/bpf_exit with invalid return code. test1:OK #278/2 verifier_netfilter_retcode/bpf_exit with valid return code. test2:OK #278/3 verifier_netfilter_retcode/bpf_exit with valid return code. test3:OK #278/4 verifier_netfilter_retcode/bpf_exit with invalid return code. test4:OK #278 verifier_netfilter_retcode:OK This checks that only accept and drop (0,1) are permitted. NF_QUEUE could be implemented later if we can guarantee that attachment of such programs can be rejected if they get attached to a pf/hook that doesn't support async reinjection. NF_STOLEN could be implemented via trusted helpers that can guarantee that the skb will eventually be free'd. v4: test case for bpf_nf_ctx access checks, requested by Alexei Starovoitov. v5: also check ctx->{state,skb} can be dereferenced (Alexei). # ./test_progs --allow=verifier_netfilter_ctx #281/1 verifier_netfilter_ctx/netfilter invalid context access, size too short:OK #281/2 verifier_netfilter_ctx/netfilter invalid context access, size too short:OK #281/3 verifier_netfilter_ctx/netfilter invalid context access, past end of ctx:OK #281/4 verifier_netfilter_ctx/netfilter invalid context, write:OK #281/5 verifier_netfilter_ctx/netfilter valid context read and invalid write:OK #281/6 verifier_netfilter_ctx/netfilter test prog with skb and state read access:OK #281/7 verifier_netfilter_ctx/netfilter test prog with skb and state read access @unpriv:OK #281 verifier_netfilter_ctx:OK Summary: 1/7 PASSED, 0 SKIPPED, 0 FAILED This checks: 1/2: partial reads of ctx->{skb,state} are rejected 3. read access past sizeof(ctx) is rejected 4. write to ctx content, e.g. 'ctx->skb = NULL;' is rejected 5. ctx->state content cannot be altered 6. ctx->state and ctx->skb can be dereferenced 7. ... same program fails for unpriv (CAP_NET_ADMIN needed). Link: https://lore.kernel.org/bpf/20230419021152.sjq4gttphzzy6b5f@dhcp-172-26-102-232.dhcp.thefacebook.com/ Link: https://lore.kernel.org/bpf/20230420201655.77kkgi3dh7fesoll@MacBook-Pro-6.local/ Signed-off-by: Florian Westphal <fw@strlen.de> Link: https://lore.kernel.org/r/20230421170300.24115-8-fw@strlen.de Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-04-21bpf: add test_run support for netfilter program typeFlorian Westphal
add glue code so a bpf program can be run using userspace-provided netfilter state and packet/skb. Default is to use ipv4:output hook point, but this can be overridden by userspace. Userspace provided netfilter state is restricted, only hook and protocol families can be overridden and only to ipv4/ipv6. Signed-off-by: Florian Westphal <fw@strlen.de> Link: https://lore.kernel.org/r/20230421170300.24115-7-fw@strlen.de Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-04-21tools: bpftool: print netfilter link infoFlorian Westphal
Dump protocol family, hook and priority value: $ bpftool link 2: netfilter prog 14 ip input prio -128 pids install(3264) 5: netfilter prog 14 ip6 forward prio 21 pids a.out(3387) 9: netfilter prog 14 ip prerouting prio 123 pids a.out(5700) 10: netfilter prog 14 ip input prio 21 pids test2(5701) v2: Quentin Monnet suggested to also add 'bpftool net' support: $ bpftool net xdp: tc: flow_dissector: netfilter: ip prerouting prio 21 prog_id 14 ip input prio -128 prog_id 14 ip input prio 21 prog_id 14 ip forward prio 21 prog_id 14 ip output prio 21 prog_id 14 ip postrouting prio 21 prog_id 14 'bpftool net' only dumps netfilter link type, links are sorted by protocol family, hook and priority. v5: fix bpf ci failure: libbpf needs small update to prog_type_name[] and probe_prog_load helper. v4: don't fail with -EOPNOTSUPP in libbpf probe_prog_load, update prog_type_name[] with "netfilter" entry (bpf ci) v3: fix bpf.h copy, 'reserved' member was removed (Alexei) use p_err, not fprintf (Quentin) Suggested-by: Quentin Monnet <quentin@isovalent.com> Link: https://lore.kernel.org/bpf/eeeaac99-9053-90c2-aa33-cc1ecb1ae9ca@isovalent.com/ Reviewed-by: Quentin Monnet <quentin@isovalent.com> Signed-off-by: Florian Westphal <fw@strlen.de> Link: https://lore.kernel.org/r/20230421170300.24115-6-fw@strlen.de Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-04-21netfilter: disallow bpf hook attachment at same priorityFlorian Westphal
This is just to avoid ordering issues between multiple bpf programs, this could be removed later in case it turns out to be too cautious. bpf prog could still be shared with non-bpf hook, otherwise we'd have to make conntrack hook registration fail just because a bpf program has same priority. Signed-off-by: Florian Westphal <fw@strlen.de> Link: https://lore.kernel.org/r/20230421170300.24115-5-fw@strlen.de Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-04-21netfilter: nfnetlink hook: dump bpf prog idFlorian Westphal
This allows userspace ("nft list hooks") to show which bpf program is attached to which hook. Without this, user only knows bpf prog is attached at prio x, y, z at INPUT and FORWARD, but can't tell which program is where. v4: kdoc fixups (Simon Horman) Link: https://lore.kernel.org/bpf/ZEELzpNCnYJuZyod@corigine.com/ Signed-off-by: Florian Westphal <fw@strlen.de> Link: https://lore.kernel.org/r/20230421170300.24115-4-fw@strlen.de Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-04-21bpf: minimal support for programs hooked into netfilter frameworkFlorian Westphal
This adds minimal support for BPF_PROG_TYPE_NETFILTER bpf programs that will be invoked via the NF_HOOK() points in the ip stack. Invocation incurs an indirect call. This is not a necessity: Its possible to add 'DEFINE_BPF_DISPATCHER(nf_progs)' and handle the program invocation with the same method already done for xdp progs. This isn't done here to keep the size of this chunk down. Verifier restricts verdicts to either DROP or ACCEPT. Signed-off-by: Florian Westphal <fw@strlen.de> Link: https://lore.kernel.org/r/20230421170300.24115-3-fw@strlen.de Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-04-21bpf: add bpf_link support for BPF_NETFILTER programsFlorian Westphal
Add bpf_link support skeleton. To keep this reviewable, no bpf program can be invoked yet, if a program is attached only a c-stub is called and not the actual bpf program. Defaults to 'y' if both netfilter and bpf syscall are enabled in kconfig. Uapi example usage: union bpf_attr attr = { }; attr.link_create.prog_fd = progfd; attr.link_create.attach_type = 0; /* unused */ attr.link_create.netfilter.pf = PF_INET; attr.link_create.netfilter.hooknum = NF_INET_LOCAL_IN; attr.link_create.netfilter.priority = -128; err = bpf(BPF_LINK_CREATE, &attr, sizeof(attr)); ... this would attach progfd to ipv4:input hook. Such hook gets removed automatically if the calling program exits. BPF_NETFILTER program invocation is added in followup change. NF_HOOK_OP_BPF enum will eventually be read from nfnetlink_hook, it allows to tell userspace which program is attached at the given hook when user runs 'nft hook list' command rather than just the priority and not-very-helpful 'this hook runs a bpf prog but I can't tell which one'. Will also be used to disallow registration of two bpf programs with same priority in a followup patch. v4: arm32 cmpxchg only supports 32bit operand s/prio/priority/ v3: restrict prog attachment to ip/ip6 for now, lets lift restrictions if more use cases pop up (arptables, ebtables, netdev ingress/egress etc). Signed-off-by: Florian Westphal <fw@strlen.de> Link: https://lore.kernel.org/r/20230421170300.24115-2-fw@strlen.de Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-04-21bpftool: Update doc to explain struct_ops register subcommand.Kui-Feng Lee
The "struct_ops register" subcommand now allows for an optional *LINK_DIR* to be included. This specifies the directory path where bpftool will pin struct_ops links with the same name as their corresponding map names. Signed-off-by: Kui-Feng Lee <kuifeng@meta.com> Reviewed-by: Quentin Monnet <quentin@isovalent.com> Link: https://lore.kernel.org/r/20230420002822.345222-2-kuifeng@meta.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-04-21bpftool: Register struct_ops with a link.Kui-Feng Lee
You can include an optional path after specifying the object name for the 'struct_ops register' subcommand. Since the commit 226bc6ae6405 ("Merge branch 'Transit between BPF TCP congestion controls.'") has been accepted, it is now possible to create a link for a struct_ops. This can be done by defining a struct_ops in SEC(".struct_ops.link") to make libbpf returns a real link. If we don't pin the links before leaving bpftool, they will disappear. To instruct bpftool to pin the links in a directory with the names of the maps, we need to provide the path of that directory. Signed-off-by: Kui-Feng Lee <kuifeng@meta.com> Reviewed-by: Quentin Monnet <quentin@isovalent.com> Link: https://lore.kernel.org/r/20230420002822.345222-1-kuifeng@meta.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2023-04-21Merge tag 'for-6.3-rc7-tag' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux Pull btrfs fixes from David Sterba: "Two patches fixing the problem with aync discard. The default settings had a low IOPS limit and processing a large batch to discard would take a long time. On laptops this can cause increased power consumption due to disk activity. As async discard has been on by default since 6.2 this likely affects a lot of users. Summary: - increase the default IOPS limit 10x which reportedly helped - setting the sysfs IOPS value to 0 now does not throttle anymore allowing the discards to be processed at full speed. Previously there was an arbitrary 6 hour target for processing the pending batch" * tag 'for-6.3-rc7-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux: btrfs: reinterpret async discard iops_limit=0 as no delay btrfs: set default discard iops_limit to 1000
2023-04-21Merge tag 'block-6.3-2023-04-21' of git://git.kernel.dk/linuxLinus Torvalds
Pull block fix from Jens Axboe: "Just a single revert of a patch from the 6.3 series" * tag 'block-6.3-2023-04-21' of git://git.kernel.dk/linux: Revert "block: Merge bio before checking ->cached_rq"
2023-04-21Merge tag 'char-misc-6.3-final' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc driver fixes from Greg KH: "Here are some last-minute tiny driver fixes for 6.3-final. They include fixes for some fpga and iio drivers: - fpga bridge driver fix - fpga dfl error reporting fix - fpga m10bmc driver fix - fpga xilinx driver fix - iio light driver fix - iio dac fwhandle leak fix - iio adc driver fix All of these have been in linux-next for a few weeks with no reported problems" * tag 'char-misc-6.3-final' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: iio: light: tsl2772: fix reading proximity-diodes from device tree fpga: bridge: properly initialize bridge device before populating children iio: dac: ad5755: Add missing fwnode_handle_put() iio: adc: at91-sama5d2_adc: fix an error code in at91_adc_allocate_trigger() fpga: xilinx-pr-decoupler: Use readl wrapper instead of pure readl fpga: dfl-pci: Drop redundant pci_enable_pcie_error_reporting() fpga: m10bmc-sec: Fix rsu_send_data() to return FW_UPLOAD_ERR_HW_ERROR
2023-04-21Merge tag 'gpio-fixes-for-v6.3' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux Pull gpio fixes from Bartosz Golaszewski: - use raw_spinlocks in regmaps that are used in interrupt context in gpio-104-idi-48 and gpio-104-dio-48e * tag 'gpio-fixes-for-v6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux: gpio: 104-idi-48: Enable use_raw_spinlock for idi48_regmap_config gpio: 104-dio-48e: Enable use_raw_spinlock for dio48e_regmap_config
2023-04-21fs: dlm: stop unnecessarily filling zero ms_extra bytesAlexander Aring
Commit 7175e131ebba ("fs: dlm: fix invalid derefence of sb_lvbptr") fixes an issue when the lkb->lkb_lvbptr set to an dangled pointer and an followed memcpy() would fail. It was fixed by an additional check of DLM_LKF_VALBLK flag. The mentioned commit forgot to add an additional check if DLM_LKF_VALBLK is set for the additional amount of LVB data allocated in a dlm message. This patch is changing the message allocation to check additionally if DLM_LKF_VALBLK is set otherwise a dangled lkb->lkb_lvbptr pointer would allocated zero LVB message data which not gets filled with actual data. This patch is however only a cleanup to reduce the amount of zero bytes transmitted over network as receive_lvb() will only evaluates message LVB data if DLM_LKF_VALBLK is set. Signed-off-by: Alexander Aring <aahringo@redhat.com> Signed-off-by: David Teigland <teigland@redhat.com>
2023-04-21Merge tag 'sound-6.3' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "Just a few fixes: all small and device-specific (ASoC FSL, SOF, and HD-audio quirks), should be safe to apply at the last minute" * tag 'sound-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: hda/realtek: fix mute/micmute LEDs for a HP ProBook ASoC: fsl_asrc_dma: fix potential null-ptr-deref ASoC: fsl_sai: Fix pins setting for i.MX8QM platform ALSA: hda/realtek: Remove specific patch for Dell Precision 3260 ASoC: max98373: change power down sequence for smart amp ASoC: SOF: pm: Tear down pipelines only if DSP was active ASoC: SOF: ipc4-topology: Clarify bind failure caused by missing fw_module
2023-04-21ASN.1: Fix check for strdup() successEkaterina Orlova
It seems there is a misprint in the check of strdup() return code that can lead to NULL pointer dereference. Found by Linux Verification Center (linuxtesting.org) with SVACE. Fixes: 4520c6a49af8 ("X.509: Add simple ASN.1 grammar compiler") Signed-off-by: Ekaterina Orlova <vorobushek.ok@gmail.com> Cc: David Woodhouse <dwmw2@infradead.org> Cc: James Bottomley <jejb@linux.ibm.com> Cc: Jarkko Sakkinen <jarkko@kernel.org> Cc: keyrings@vger.kernel.org Cc: linux-kbuild@vger.kernel.org Link: https://lore.kernel.org/r/20230315172130.140-1-vorobushek.ok@gmail.com/ Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2023-04-21Merge tag 'irqchip-6.4' of ↵Thomas Gleixner
git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/core Pull irqchip changes from Marc Zyngier: - Large RISC-V IPI rework to make way for a new interrupt architecture - More Loongarch fixes from Lianmin Lv, fixing issues in the so called "dual-bridge" systems. - Workaround for the nvidia T241 chip that gets confused in 3 and 4 socket configurations, leading to the GIC malfunctionning in some contexts - Drop support for non-firmware driven GIC configurarations now that the old ARM11MP Cavium board is gone - Workaround for the Rockchip 3588 chip that doesn't correctly deal with the shareability attributes. - Replace uses of of_find_property() with the more appropriate of_property_read_bool() - Make bcm-6345-l1 request its MMIO region - Add suspend support to the SiFive PLIC - Drop support for stih415, stih416 and stid127 platforms Link: https://lore.kernel.org/lkml/20230421132104.3021536-1-maz@kernel.org
2023-04-21selftests/bpf: Verify optval=NULL caseStanislav Fomichev
Make sure we get optlen exported instead of getting EFAULT. Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20230418225343.553806-3-sdf@google.com
2023-04-21bpf: Don't EFAULT for getsockopt with optval=NULLStanislav Fomichev
Some socket options do getsockopt with optval=NULL to estimate the size of the final buffer (which is returned via optlen). This breaks BPF getsockopt assumptions about permitted optval buffer size. Let's enforce these assumptions only when non-NULL optval is provided. Fixes: 0d01da6afc54 ("bpf: implement getsockopt and setsockopt hooks") Reported-by: Martin KaFai Lau <martin.lau@kernel.org> Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/ZD7Js4fj5YyI2oLd@google.com/T/#mb68daf700f87a9244a15d01d00c3f0e5b08f49f7 Link: https://lore.kernel.org/bpf/20230418225343.553806-2-sdf@google.com
2023-04-21Merge tag 'nf-23-04-21' of ↵Jakub Kicinski
git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf Pablo Neira Ayuso says: ==================== Netfilter fixes for net 1) Set on IPS_CONFIRMED before change_status() otherwise EBUSY is bogusly hit. This bug was introduced in the 6.3 release cycle. 2) Fix nfnetlink_queue conntrack support: Set/dump timeout accordingly for unconfirmed conntrack entries. Make sure this is done after IPS_CONFIRMED is set on. This is an old bug, it happens since the introduction of this feature. * tag 'nf-23-04-21' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf: netfilter: conntrack: fix wrong ct->timeout value netfilter: conntrack: restore IPS_CONFIRMED out of nf_conntrack_hash_check_insert() ==================== Link: https://lore.kernel.org/r/20230421105700.325438-1-pablo@netfilter.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-04-21Merge tag 'wireless-next-2023-04-21' of ↵Jakub Kicinski
git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next Kalle Valo says: ==================== wireless-next patches for v6.4 Most likely the last -next pull request for v6.4. We have changes all over. rtw88 now supports SDIO bus and iwlwifi continues to work on Wi-Fi 7 support. Not much stack changes this time. Major changes: cfg80211/mac80211 - fix some Fine Time Measurement (FTM) frames not being bufferable - flush frames before key removal to avoid potential unencrypted transmission depending on the hardware design iwlwifi - preparation for Wi-Fi 7 EHT and multi-link support rtw88 - SDIO bus support - RTL8822BS, RTL8822CS and RTL8821CS SDIO chipset support rtw89 - framework firmware backwards compatibility brcmfmac - Cypress 43439 SDIO support mt76 - mt7921 P2P support - mt7996 mesh A-MSDU support - mt7996 EHT support - mt7996 coredump support wcn36xx - support for pronto v3 hardware ath11k - PCIe DeviceTree bindings - WCN6750: enable SAR support ath10k - convert DeviceTree bindings to YAML * tag 'wireless-next-2023-04-21' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (261 commits) wifi: rtw88: Update spelling in main.h wifi: airo: remove ISA_DMA_API dependency wifi: rtl8xxxu: Simplify setting the initial gain wifi: rtl8xxxu: Add rtl8xxxu_write{8,16,32}_{set,clear} wifi: rtl8xxxu: Don't print the vendor/product/serial wifi: rtw88: Fix memory leak in rtw88_usb wifi: rtw88: call rtw8821c_switch_rf_set() according to chip variant wifi: rtw88: set pkg_type correctly for specific rtw8821c variants wifi: rtw88: rtw8821c: Fix rfe_option field width wifi: rtw88: usb: fix priority queue to endpoint mapping wifi: rtw88: 8822c: add iface combination wifi: rtw88: handle station mode concurrent scan with AP mode wifi: rtw88: prevent scan abort with other VIFs wifi: rtw88: refine reserved page flow for AP mode wifi: rtw88: disallow PS during AP mode wifi: rtw88: 8822c: extend reserved page number wifi: rtw88: add port switch for AP mode wifi: rtw88: add bitmap for dynamic port settings wifi: rtw89: mac: use regular int as return type of DLE buffer request wifi: mac80211: remove return value check of debugfs_create_dir() ... ==================== Link: https://lore.kernel.org/r/20230421104726.800BCC433D2@smtp.kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2023-04-21selftests/xsk: Put MAP_HUGE_2MB in correct argumentMagnus Karlsson
Put the flag MAP_HUGE_2MB in the correct flags argument instead of the wrong offset argument. Fixes: 2ddade322925 ("selftests/xsk: Fix munmap for hugepage allocated umem") Reported-by: Kal Cutter Conley <kal.conley@dectris.com> Signed-off-by: Magnus Karlsson <magnus.karlsson@intel.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/20230421062208.3772-1-magnus.karlsson@gmail.com
2023-04-21bpf: Fix bpf_refcount_acquire's refcount_t address calculationDave Marchevsky
When calculating the address of the refcount_t struct within a local kptr, bpf_refcount_acquire_impl should add refcount_off bytes to the address of the local kptr. Due to some missing parens, the function is incorrectly adding sizeof(refcount_t) * refcount_off bytes. This patch fixes the calculation. Due to the incorrect calculation, bpf_refcount_acquire_impl was trying to refcount_inc some memory well past the end of local kptrs, resulting in kasan and refcount complaints, as reported in [0]. In that thread, Florian and Eduard discovered that bpf selftests written in the new style - with __success and an expected __retval, specifically - were not actually being run. As a result, selftests added in bpf_refcount series weren't really exercising this behavior, and thus didn't unearth the bug. With this fixed behavior it's safe to revert commit 7c4b96c00043 ("selftests/bpf: disable program test run for progs/refcounted_kptr.c"), this patch does so. [0] https://lore.kernel.org/bpf/ZEEp+j22imoN6rn9@strlen.de/ Fixes: 7c50b1cb76ac ("bpf: Add bpf_refcount_acquire kfunc") Reported-by: Florian Westphal <fw@strlen.de> Reported-by: Eduard Zingerman <eddyz87@gmail.com> Signed-off-by: Dave Marchevsky <davemarchevsky@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Tested-by: Eduard Zingerman <eddyz87@gmail.com> Link: https://lore.kernel.org/bpf/20230421074431.3548349-1-davemarchevsky@fb.com
2023-04-21bpf: Fix race between btf_put and btf_idr walk.Alexei Starovoitov
Florian and Eduard reported hard dead lock: [ 58.433327] _raw_spin_lock_irqsave+0x40/0x50 [ 58.433334] btf_put+0x43/0x90 [ 58.433338] bpf_find_btf_id+0x157/0x240 [ 58.433353] btf_parse_fields+0x921/0x11c0 This happens since btf->refcount can be 1 at the time of btf_put() and btf_put() will call btf_free_id() which will try to grab btf_idr_lock and will dead lock. Avoid the issue by doing btf_put() without locking. Fixes: 3d78417b60fb ("bpf: Add bpf_btf_find_by_name_kind() helper.") Fixes: 1e89106da253 ("bpf: Add bpf_core_add_cands() and wire it into bpf_core_apply_relo_insn().") Reported-by: Florian Westphal <fw@strlen.de> Reported-by: Eduard Zingerman <eddyz87@gmail.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Tested-by: Eduard Zingerman <eddyz87@gmail.com> Link: https://lore.kernel.org/bpf/20230421014901.70908-1-alexei.starovoitov@gmail.com
2023-04-21hwmon: (pmbus/fsp-3y) Fix functionality bitmask in FSP-3Y YM-2151ETomáš Pecka
The bit flags in pmbus_driver_info functionality for YM-2151E chip were joined with a comma operator instead of a bitwise OR. This means that the last constant PMBUS_HAVE_IIN was not OR-ed with the other PM_BUS_HAVE_* constants for this page but it initialized the next element of the func array (which was not accessed from anywhere because of the number of pages). However, there is no need for setting PMBUS_HAVE_IIN in the 5Vsb page because this command does not seem to be paged. Obviously, the device only has one IIN sensor, so it doesn't make sense to query it again from the second page. Fixes: 1734b4135a62 ("hwmon: Add driver for fsp-3y PSUs and PDUs") Signed-off-by: Jan Kundrát <jan.kundrat@cesnet.cz> Signed-off-by: Tomáš Pecka <tomas.pecka@cesnet.cz> Link: https://lore.kernel.org/r/20230420171939.212040-1-tomas.pecka@cesnet.cz Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2023-04-21hwmon: (adt7475) Use device_property APIs when configuring polarityChris Packham
On DT unaware platforms of_property_read_u32_array() returns -ENOSYS which wasn't handled by the code treating adi,pwm-active-state as optional. Update the code to use device_property_read_u32_array() which deals gracefully with DT unaware platforms. Fixes: 86da28eed4fb ("hwmon: (adt7475) Add support for inverting pwm output") Reported-by: Mariusz Białończyk <manio@skyboo.net> Link: https://lore.kernel.org/linux-hwmon/52e26a67-9131-2dc0-40cb-db5c07370027@alliedtelesis.co.nz/T/#mdd0505801e0a4e72340de009a47c0fca4f771ed3 Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz> Link: https://lore.kernel.org/r/20230418233656.869055-2-chris.packham@alliedtelesis.co.nz Cc: stable@vger.kernel.org Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2023-04-21hwmon: (aquacomputer_d5next) Add support for Aquacomputer Aquastream XTAleksa Savic
Extend aquacomputer_d5next driver to expose various hardware sensors of the Aquacomputer Aquastream XT watercooling pump, which communicates through a proprietary USB HID protocol. Implemented by Leonard Anderweit [1] [2]. Coolant temp, fan IC and external temp sensor readings are available, along with speed and voltage of both the pump and optionally connected fan. It also exposes pump current. Additionally, serial number and firmware version are exposed through debugfs. [1] https://github.com/aleksamagicka/aquacomputer_d5next-hwmon/pull/46 [2] https://github.com/aleksamagicka/aquacomputer_d5next-hwmon/pull/49 Originally-from: Leonard Anderweit <leonard.anderweit@gmail.com> Signed-off-by: Aleksa Savic <savicaleksa83@gmail.com> Link: https://lore.kernel.org/r/20230416181702.9892-1-savicaleksa83@gmail.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2023-04-21hwmon: (it87) Disable/enable SMBus access for IT8622E chipsetFrank Crawford
Configure the IT8622E chip to disable/re-enable access via an SMBus when reading or writing the chip's registers. Signed-off-by: Frank Crawford <frank@crawford.emu.id.au> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2023-04-21hwmon: (it87) Add calls to smbus_enable/smbus_disable as requiredFrank Crawford
Disable/re-enable access through SMBus for chip registers when they are are being read or written. For simple cases this is done at the same time as when a mutex is set, however, within loops or during initialisation it is done separately. Signed-off-by: Frank Crawford <frank@crawford.emu.id.au> [groeck: Fixed multi-line alignment] Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2023-04-21hwmon: (it87) Test for error in it87_update_deviceFrank Crawford
Handle errors from it87_update_device(), which currently only occurs if SMBus access locking fails. Signed-off-by: Frank Crawford <frank@crawford.emu.id.au> [groeck: Fixed handling in show_temp_type()] Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2023-04-21bus: tegra-gmi: Replace of_platform.h with explicit includesRob Herring
Tegra-gmi doesn't use anything from of_platform.h, but depends on of.h, of_device.h, and platform_device.h which are all implicitly included, but that is going to be removed soon. Link: https://lore.kernel.org/r/20230410232735.1562296-1-robh@kernel.org Signed-off-by: Rob Herring <robh@kernel.org>
2023-04-21hte: Use of_property_present() for testing DT property presenceRob Herring
It is preferred to use typed property access functions (i.e. of_property_read_<type> functions) rather than low-level of_get_property/of_find_property functions for reading properties. As part of this, convert of_get_property/of_find_property calls to the recently added of_property_present() helper when we just want to test for presence of a property and nothing more. Acked-by: Dipen Patel <dipenp@nvidia.com> Link: https://lore.kernel.org/r/20230310144706.1542365-1-robh@kernel.org Signed-off-by: Rob Herring <robh@kernel.org>
2023-04-21w1: w1-gpio: Use of_property_read_bool() for boolean propertiesRob Herring
It is preferred to use typed property access functions (i.e. of_property_read_<type> functions) rather than low-level of_get_property/of_find_property functions for reading properties. Convert reading boolean properties to to of_property_read_bool(). Link: https://lore.kernel.org/r/20230310144737.1547200-1-robh@kernel.org Signed-off-by: Rob Herring <robh@kernel.org>
2023-04-21virt: fsl: Use of_property_present() for testing DT property presenceRob Herring
It is preferred to use typed property access functions (i.e. of_property_read_<type> functions) rather than low-level of_get_property/of_find_property functions for reading properties. As part of this, convert of_get_property/of_find_property calls to the recently added of_property_present() helper when we just want to test for presence of a property and nothing more. Link: https://lore.kernel.org/r/20230310144731.1546259-1-robh@kernel.org Signed-off-by: Rob Herring <robh@kernel.org>
2023-04-21soc: fsl: Use of_property_present() for testing DT property presenceRob Herring
It is preferred to use typed property access functions (i.e. of_property_read_<type> functions) rather than low-level of_get_property/of_find_property functions for reading properties. As part of this, convert of_get_property/of_find_property calls to the recently added of_property_present() helper when we just want to test for presence of a property and nothing more. Link: https://lore.kernel.org/r/20230310144723.1545069-1-robh@kernel.org Signed-off-by: Rob Herring <robh@kernel.org>
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