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2024-06-26KVM: riscv: selftests: Add Zcmop extension to get-reg-list testClément Léger1-0/+4
The KVM RISC-V allows Zcmop extension for Guest/VM so add this extension to get-reg-list test. Signed-off-by: Clément Léger <[email protected]> Reviewed-by: Anup Patel <[email protected]> Acked-by: Anup Patel <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Palmer Dabbelt <[email protected]>
2024-06-26KVM: riscv: selftests: Add some Zc* extensions to get-reg-list testClément Léger1-0/+16
The KVM RISC-V allows Zca, Zcf, Zcd and Zcb extensions for Guest/VM so add these extensions to get-reg-list test. Signed-off-by: Clément Léger <[email protected]> Reviewed-by: Anup Patel <[email protected]> Acked-by: Anup Patel <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Palmer Dabbelt <[email protected]>
2024-06-26KVM: riscv: selftests: Add Zimop extension to get-reg-list testClément Léger1-0/+4
The KVM RISC-V allows Zimop extension for Guest/VM so add this extension to get-reg-list test. Signed-off-by: Clément Léger <[email protected]> Reviewed-by: Anup Patel <[email protected]> Acked-by: Anup Patel <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Palmer Dabbelt <[email protected]>
2024-06-25cxl/region: check interleave capabilityYao Xingtao1-0/+4
Since interleave capability is not verified, if the interleave capability of a target does not match the region need, committing decoder should have failed at the device end. In order to checkout this error as quickly as possible, driver needs to check the interleave capability of target during attaching it to region. Per CXL specification r3.1(8.2.4.20.1 CXL HDM Decoder Capability Register), bits 11 and 12 indicate the capability to establish interleaving in 3, 6, 12 and 16 ways. If these bits are not set, the target cannot be attached to a region utilizing such interleave ways. Additionally, bits 8 and 9 represent the capability of the bits used for interleaving in the address, Linux tracks this in the cxl_port interleave_mask. Per CXL specification r3.1(8.2.4.20.13 Decoder Protection): eIW means encoded Interleave Ways. eIG means encoded Interleave Granularity. in HPA: if eIW is 0 or 8 (interleave ways: 1, 3), all the bits of HPA are used, the interleave bits are none, the following check is ignored. if eIW is less than 8 (interleave ways: 2, 4, 8, 16), the interleave bits start at bit position eIG + 8 and end at eIG + eIW + 8 - 1. if eIW is greater than 8 (interleave ways: 6, 12), the interleave bits start at bit position eIG + 8 and end at eIG + eIW - 1. if the interleave mask is insufficient to cover the required interleave bits, the target cannot be attached to the region. Fixes: 384e624bb211 ("cxl/region: Attach endpoint decoders") Signed-off-by: Yao Xingtao <[email protected]> Reviewed-by: Dan Williams <[email protected]> Reviewed-by: Jonathan Cameron <[email protected]> Link: https://patch.msgid.link/[email protected] Signed-off-by: Dave Jiang <[email protected]>
2024-06-25selftests: net: remove unneeded IP_GRE configYujie Liu1-1/+0
It seems that there is no definition for config IP_GRE, and it is not a dependency of other configs, so remove it. linux$ find -name Kconfig | xargs grep "IP_GRE" <-- nothing There is a IPV6_GRE config defined in net/ipv6/Kconfig. It only depends on NET_IPGRE_DEMUX but not IP_GRE. Signed-off-by: Yujie Liu <[email protected]> Acked-by: Jakub Kicinski <[email protected]> Link: https://patch.msgid.link/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2024-06-24tools/testing/radix-tree: add missing MODULE_DESCRIPTION definitionSidhartha Kumar2-0/+2
Userspace builds of the radix-tree testing suite fails because of commit test_maple_tree: add the missing MODULE_DESCRIPTION() macro. Add the proper defines to tools/testing/radix-tree/maple.c and tools/testing/radix-tree/xarray.c so MODULE_DESCRIPTION has a definition. This allows the build to succeed. Link: https://lkml.kernel.org/r/[email protected] Fixes: 9f8090e8c4d1 ("test_maple_tree: add the missing MODULE_DESCRIPTION() macro") Signed-off-by: Sidhartha Kumar <[email protected]> Reviewed-by: Liam R. Howlett <[email protected]> Cc: Jeff Johnson <[email protected]> Cc: Matthew Wilcox (Oracle) <[email protected]> Signed-off-by: Andrew Morton <[email protected]>
2024-06-24proc: test "Kthread:" fieldAlexey Dobriyan4-0/+94
/proc/${pid}/status got Kthread field recently. Test that userspace program is not reported as kernel thread. Test that kernel thread is reported as kernel thread. Use kthreadd with pid 2 for this. Link: https://lkml.kernel.org/r/818c4c41-8668-4566-97a9-7254abf819ee@p183 Signed-off-by: Alexey Dobriyan <[email protected]> Cc: Chunguang Wu <[email protected]> Cc: Shuah Khan <[email protected]> Signed-off-by: Andrew Morton <[email protected]>
2024-06-24selftests: introduce additional eventfd test coverageWen Yang1-5/+131
Add several new test cases which assert corner cases on the eventfd mechanism, for example, the supplied buffer is less than 8 bytes, attempting to write a value that is too large, etc. ./eventfd_test # Starting 9 tests from 1 test cases. # RUN global.eventfd_check_flag_rdwr ... # OK global.eventfd_check_flag_rdwr ok 1 global.eventfd_check_flag_rdwr # RUN global.eventfd_check_flag_cloexec ... # OK global.eventfd_check_flag_cloexec ok 2 global.eventfd_check_flag_cloexec # RUN global.eventfd_check_flag_nonblock ... # OK global.eventfd_check_flag_nonblock ok 3 global.eventfd_check_flag_nonblock # RUN global.eventfd_chek_flag_cloexec_and_nonblock ... # OK global.eventfd_chek_flag_cloexec_and_nonblock ok 4 global.eventfd_chek_flag_cloexec_and_nonblock # RUN global.eventfd_check_flag_semaphore ... # OK global.eventfd_check_flag_semaphore ok 5 global.eventfd_check_flag_semaphore # RUN global.eventfd_check_write ... # OK global.eventfd_check_write ok 6 global.eventfd_check_write # RUN global.eventfd_check_read ... # OK global.eventfd_check_read ok 7 global.eventfd_check_read # RUN global.eventfd_check_read_with_nonsemaphore ... # OK global.eventfd_check_read_with_nonsemaphore ok 8 global.eventfd_check_read_with_nonsemaphore # RUN global.eventfd_check_read_with_semaphore ... # OK global.eventfd_check_read_with_semaphore ok 9 global.eventfd_check_read_with_semaphore # PASSED: 9 / 9 tests passed. # Totals: pass:9 fail:0 xfail:0 xpass:0 skip:0 error:0 Link: https://lkml.kernel.org/r/[email protected] Signed-off-by: Wen Yang <[email protected]> Cc: Shuah Khan <[email protected]> Cc: Christian Brauner <[email protected]> Cc: Andrei Vagin <[email protected]> Cc: Mathieu Desnoyers <[email protected]> Cc: Steven Rostedt <[email protected]> Cc: Dave Young <[email protected]> Cc: Tim Bird <[email protected]> Signed-off-by: Andrew Morton <[email protected]>
2024-06-24selftests/mqueue: fix 5 warnings about signed/unsigned mismatchesJohn Hubbard1-2/+4
When building with clang, via: make LLVM=1 -C tools/testing/selftest ...clang warns about several cases of using a signed integer for the priority argument to mq_receive(3), which expects an unsigned int. Fix this by declaring the type as unsigned int in all cases. Link: https://lkml.kernel.org/r/[email protected] Signed-off-by: John Hubbard <[email protected]> Reviewed-by: Muhammad Usama Anjum <[email protected]> Reviewed-by: Ryan Roberts <[email protected]> Cc: David Hildenbrand <[email protected]> Cc: Muhammad Usama Anjum <[email protected]> Cc: SeongJae Park <[email protected]> Cc: Shuah Khan <[email protected]> Cc: Valentin Obst <[email protected]> Signed-off-by: Andrew Morton <[email protected]>
2024-06-24selftests/mm:fix test_prctl_fork_exec return failureaigourensheng1-16/+22
After calling fork() in test_prctl_fork_exec(), the global variable ksm_full_scans_fd is initialized to 0 in the child process upon entering the main function of ./ksm_functional_tests. In the function call chain test_child_ksm() -> __mmap_and_merge_range -> ksm_merge-> ksm_get_full_scans, start_scans = ksm_get_full_scans() will return an error. Therefore, the value of ksm_full_scans_fd needs to be initialized before calling test_child_ksm in the child process. Link: https://lkml.kernel.org/r/[email protected] Signed-off-by: aigourensheng <[email protected]> Acked-by: David Hildenbrand <[email protected]> Cc: Shuah Khan <[email protected]> Cc: <[email protected]> Signed-off-by: Andrew Morton <[email protected]>
2024-06-25selftests/bpf: add test validating uprobe/uretprobe stack tracesAndrii Nakryiko2-0/+282
Add a set of tests to validate that stack traces captured from or in the presence of active uprobes and uretprobes are valid and complete. For this we use BPF program that are installed either on entry or exit of user function, plus deep-nested USDT. One of target funtions (target_1) is recursive to generate two different entries in the stack trace for the same uprobe/uretprobe, testing potential edge conditions. If there is no fixes, we get something like this for one of the scenarios: caller: 0x758fff - 0x7595ab target_1: 0x758fd5 - 0x758fff target_2: 0x758fca - 0x758fd5 target_3: 0x758fbf - 0x758fca target_4: 0x758fb3 - 0x758fbf ENTRY #0: 0x758fb3 (in target_4) ENTRY #1: 0x758fd3 (in target_2) ENTRY #2: 0x758ffd (in target_1) ENTRY #3: 0x7fffffffe000 ENTRY #4: 0x7fffffffe000 ENTRY #5: 0x6f8f39 ENTRY #6: 0x6fa6f0 ENTRY #7: 0x7f403f229590 Entry #3 and #4 (0x7fffffffe000) are uretprobe trampoline addresses which obscure actual target_1 and another target_1 invocations. Also note that between entry #0 and entry #1 we are missing an entry for target_3. With fixes, we get desired full stack traces: caller: 0x758fff - 0x7595ab target_1: 0x758fd5 - 0x758fff target_2: 0x758fca - 0x758fd5 target_3: 0x758fbf - 0x758fca target_4: 0x758fb3 - 0x758fbf ENTRY #0: 0x758fb7 (in target_4) ENTRY #1: 0x758fc8 (in target_3) ENTRY #2: 0x758fd3 (in target_2) ENTRY #3: 0x758ffd (in target_1) ENTRY #4: 0x758ff3 (in target_1) ENTRY #5: 0x75922c (in caller) ENTRY #6: 0x6f8f39 ENTRY #7: 0x6fa6f0 ENTRY #8: 0x7f986adc4cd0 Now there is a logical and complete sequence of function calls. Link: https://lore.kernel.org/all/[email protected]/ Signed-off-by: Andrii Nakryiko <[email protected]> Acked-by: Jiri Olsa <[email protected]> Signed-off-by: Masami Hiramatsu (Google) <[email protected]>
2024-06-24Merge tag 'for-netdev' of ↵Jakub Kicinski5-1/+312
ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/bpf/bpf Daniel Borkmann says: ==================== pull-request: bpf 2024-06-24 We've added 12 non-merge commits during the last 10 day(s) which contain a total of 10 files changed, 412 insertions(+), 16 deletions(-). The main changes are: 1) Fix a BPF verifier issue validating may_goto with a negative offset, from Alexei Starovoitov. 2) Fix a BPF verifier validation bug with may_goto combined with jump to the first instruction, also from Alexei Starovoitov. 3) Fix a bug with overrunning reservations in BPF ring buffer, from Daniel Borkmann. 4) Fix a bug in BPF verifier due to missing proper var_off setting related to movsx instruction, from Yonghong Song. 5) Silence unnecessary syzkaller-triggered warning in __xdp_reg_mem_model(), from Daniil Dulov. * tag 'for-netdev' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/bpf/bpf: xdp: Remove WARN() from __xdp_reg_mem_model() selftests/bpf: Add tests for may_goto with negative offset. bpf: Fix may_goto with negative offset. selftests/bpf: Add more ring buffer test coverage bpf: Fix overrunning reservations in ringbuf selftests/bpf: Tests with may_goto and jumps to the 1st insn bpf: Fix the corner case with may_goto and jump to the 1st insn. bpf: Update BPF LSM maintainer list bpf: Fix remap of arena. selftests/bpf: Add a few tests to cover bpf: Add missed var_off setting in coerce_subreg_to_size_sx() bpf: Add missed var_off setting in set_sext32_default_val() ==================== Link: https://patch.msgid.link/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2024-06-24selftests/bpf: Add tests for may_goto with negative offset.Alexei Starovoitov1-0/+52
Add few tests with may_goto and negative offset. Signed-off-by: Alexei Starovoitov <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2024-06-24selftests/bpf: Add more ring buffer test coverageDaniel Borkmann3-1/+103
Add test coverage for reservations beyond the ring buffer size in order to validate that bpf_ringbuf_reserve() rejects the request with NULL, all other ring buffer tests keep passing as well: # ./vmtest.sh -- ./test_progs -t ringbuf [...] ./test_progs -t ringbuf [ 1.165434] bpf_testmod: loading out-of-tree module taints kernel. [ 1.165825] bpf_testmod: module verification failed: signature and/or required key missing - tainting kernel [ 1.284001] tsc: Refined TSC clocksource calibration: 3407.982 MHz [ 1.286871] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x311fc34e357, max_idle_ns: 440795379773 ns [ 1.289555] clocksource: Switched to clocksource tsc #274/1 ringbuf/ringbuf:OK #274/2 ringbuf/ringbuf_n:OK #274/3 ringbuf/ringbuf_map_key:OK #274/4 ringbuf/ringbuf_write:OK #274 ringbuf:OK #275 ringbuf_multi:OK [...] Signed-off-by: Daniel Borkmann <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> [ Test fixups for getting BPF CI back to work ] Signed-off-by: Daniel Borkmann <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2024-06-22KVM: selftests: Assert that MPIDR_EL1 is unchanged across vCPU resetOliver Upton1-0/+1
commit 606af8293cd8 ("KVM: selftests: arm64: Test vCPU-scoped feature ID registers") intended to test that MPIDR_EL1 is unchanged across vCPU reset but failed at actually doing so. Add the missing assertion. Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Oliver Upton <[email protected]>
2024-06-22Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds6-4/+19
Pull kvm fixes from Paolo Bonzini: "ARM: - Fix dangling references to a redistributor region if the vgic was prematurely destroyed. - Properly mark FFA buffers as released, ensuring that both parties can make forward progress. x86: - Allow getting/setting MSRs for SEV-ES guests, if they're using the pre-6.9 KVM_SEV_ES_INIT API. - Always sync pending posted interrupts to the IRR prior to IOAPIC route updates, so that EOIs are intercepted properly if the old routing table requested that. Generic: - Avoid __fls(0) - Fix reference leak on hwpoisoned page - Fix a race in kvm_vcpu_on_spin() by ensuring loads and stores are atomic. - Fix bug in __kvm_handle_hva_range() where KVM calls a function pointer that was intended to be a marker only (nothing bad happens but kind of a mine and also technically undefined behavior) - Do not bother accounting allocations that are small and freed before getting back to userspace. Selftests: - Fix compilation for RISC-V. - Fix a "shift too big" goof in the KVM_SEV_INIT2 selftest. - Compute the max mappable gfn for KVM selftests on x86 using GuestMaxPhyAddr from KVM's supported CPUID (if it's available)" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: SEV-ES: Fix svm_get_msr()/svm_set_msr() for KVM_SEV_ES_INIT guests KVM: Discard zero mask with function kvm_dirty_ring_reset virt: guest_memfd: fix reference leak on hwpoisoned page kvm: do not account temporary allocations to kmem MAINTAINERS: Drop Wanpeng Li as a Reviewer for KVM Paravirt support KVM: x86: Always sync PIR to IRR prior to scanning I/O APIC routes KVM: Stop processing *all* memslots when "null" mmu_notifier handler is found KVM: arm64: FFA: Release hyp rx buffer KVM: selftests: Fix RISC-V compilation KVM: arm64: Disassociate vcpus from redistributor region on teardown KVM: Fix a data race on last_boosted_vcpu in kvm_vcpu_on_spin() KVM: selftests: x86: Prioritize getting max_gfn from GuestPhysBits KVM: selftests: Fix shift of 32 bit unsigned int more than 32 bits
2024-06-21selftests/bpf: Add kfunc_call test for simple dtor in bpf_testmodAlan Maguire4-0/+93
add simple kfuncs to create/destroy a context type to bpf_testmod, register them and add a kfunc_call test to use them. This provides test coverage for registration of dtor kfuncs from modules. By transferring the context pointer to a map value as a __kptr we also trigger the map-based dtor cleanup logic, improving test coverage. Suggested-by: Eduard Zingerman <[email protected]> Signed-off-by: Alan Maguire <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2024-06-21selftests/bpf: Test struct_ops bpf map auto-attachMykyta Yatsenko1-0/+35
Adding selftest to verify that struct_ops maps are auto attached by bpf skeleton's `*__attach` function. Signed-off-by: Mykyta Yatsenko <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2024-06-21selftests/bpf: Match tests against regular expressionCupertino Miranda3-6/+6
This patch changes a few tests to make use of regular expressions. Fixed tests otherwise fail when compiled with GCC. Signed-off-by: Cupertino Miranda <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Acked-by: Eduard Zingerman <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2024-06-21selftests/bpf: Support checks against a regular expressionCupertino Miranda2-30/+96
Add support for __regex and __regex_unpriv macros to check the test execution output against a regular expression. This is similar to __msg and __msg_unpriv, however those expect do substring matching. Signed-off-by: Cupertino Miranda <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Acked-by: Eduard Zingerman <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2024-06-21selftests/bpf: Tests with may_goto and jumps to the 1st insnAlexei Starovoitov1-0/+94
Add few tests with may_goto and jumps to the 1st insn. Signed-off-by: Alexei Starovoitov <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Acked-by: Eduard Zingerman <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2024-06-21bpf: Change bpf_session_cookie return value to __u64 *Jiri Olsa2-2/+2
This reverts [1] and changes return value for bpf_session_cookie in bpf selftests. Having long * might lead to problems on 32-bit architectures. Fixes: 2b8dd87332cd ("bpf: Make bpf_session_cookie() kfunc return long *") Suggested-by: Andrii Nakryiko <[email protected]> Signed-off-by: Jiri Olsa <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Acked-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2024-06-21Merge tag 'kvm-riscv-fixes-6.10-2' of https://github.com/kvm-riscv/linux ↵Paolo Bonzini3-0/+3
into HEAD KVM/riscv fixes for 6.10, take #2 - Fix compilation for KVM selftests
2024-06-21selftests: net: change shebang to bash in amt.shTaehee Yoo1-1/+1
amt.sh is written in bash, not sh. So, shebang should be bash. Signed-off-by: Taehee Yoo <[email protected]> Acked-by: Muhammad Usama Anjum <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2024-06-21selftest: af_unix: Add Kconfig file.Kuniyuki Iwashima1-0/+3
diag_uid selftest failed on NIPA where the received nlmsg_type is NLMSG_ERROR [0] because CONFIG_UNIX_DIAG is not set [1] by default and sock_diag_lock_handler() failed to load the module. # # Starting 2 tests from 2 test cases. # # RUN diag_uid.uid.1 ... # # diag_uid.c:159:1:Expected nlh->nlmsg_type (2) == SOCK_DIAG_BY_FAMILY (20) # # 1: Test terminated by assertion # # FAIL diag_uid.uid.1 # not ok 1 diag_uid.uid.1 Let's add all AF_UNIX Kconfig to the config file under af_unix dir so that NIPA consumes it. Fixes: ac011361bd4f ("af_unix: Add test for sock_diag and UDIAG_SHOW_UID.") Link: https://netdev-3.bots.linux.dev/vmksft-net/results/644841/104-diag-uid/stdout [0] Link: https://netdev-3.bots.linux.dev/vmksft-net/results/644841/config [1] Reported-by: Jakub Kicinski <[email protected]> Closes: https://lore.kernel.org/netdev/[email protected]/ Signed-off-by: Kuniyuki Iwashima <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2024-06-20selftests/bpf: Use start_server_str in test_tcp_check_syncookie_userGeliang Tang1-26/+3
Since start_server_str() is added now, it can be used in script test_tcp_check_syncookie_user.c instead of start_server_addr() to simplify the code. Acked-by: Eduard Zingerman <[email protected]> Signed-off-by: Geliang Tang <[email protected]> Link: https://lore.kernel.org/r/5d2f442261d37cff16c1f1b21a2b188508ab67fa.1718932493.git.tanggeliang@kylinos.cn Signed-off-by: Alexei Starovoitov <[email protected]>
2024-06-20selftests/bpf: Use start_server_str in mptcpGeliang Tang1-6/+1
Since start_server_str() is added now, it can be used in mptcp.c in start_mptcp_server() instead of using helpers make_sockaddr() and start_server_addr() to simplify the code. Acked-by: Eduard Zingerman <[email protected]> Signed-off-by: Geliang Tang <[email protected]> Link: https://lore.kernel.org/r/16fb3e2cd60b64b5470b0e69f1aa233feaf2717c.1718932493.git.tanggeliang@kylinos.cn Signed-off-by: Alexei Starovoitov <[email protected]>
2024-06-20selftests/bpf: Drop noconnect from network_helper_optsGeliang Tang3-11/+8
In test_bpf_ip_check_defrag_ok(), the new helper client_socket() can be used to replace connect_to_fd_opts() with "noconnect" opts, and the strcut member "noconnect" of network_helper_opts can be dropped now, always connect to server in connect_to_fd_opts(). Acked-by: Eduard Zingerman <[email protected]> Signed-off-by: Geliang Tang <[email protected]> Link: https://lore.kernel.org/r/f45760becce51986e4e08283c7df0f933eb0da14.1718932493.git.tanggeliang@kylinos.cn Signed-off-by: Alexei Starovoitov <[email protected]>
2024-06-20selftests/bpf: Add client_socket helperGeliang Tang2-8/+31
This patch extracts a new helper client_socket() from connect_to_fd_opts() to create the client socket, but don't connect to the server. Then connect_to_fd_opts() can be implemented using client_socket() and connect_fd_to_addr(). This helper can be used in connect_to_addr() too, and make "noconnect" opts useless. Acked-by: Eduard Zingerman <[email protected]> Signed-off-by: Geliang Tang <[email protected]> Link: https://lore.kernel.org/r/4169c554e1cee79223feea49a1adc459d55e1ffe.1718932493.git.tanggeliang@kylinos.cn Signed-off-by: Alexei Starovoitov <[email protected]>
2024-06-20selftests/bpf: Use connect_to_addr in connect_to_fd_optGeliang Tang1-26/+7
This patch moves "post_socket_cb" and "noconnect" into connect_to_addr(), then connect_to_fd_opts() can be implemented by getsockname() and connect_to_addr(). This change makes connect_to_* interfaces more unified. Acked-by: Eduard Zingerman <[email protected]> Signed-off-by: Geliang Tang <[email protected]> Link: https://lore.kernel.org/r/4569c30533e14c22fae6c05070aad809720551c1.1718932493.git.tanggeliang@kylinos.cn Signed-off-by: Alexei Starovoitov <[email protected]>
2024-06-20selftests/bpf: Drop type from network_helper_optsGeliang Tang5-33/+26
The opts.{type, noconnect} is at least a bit non intuitive or unnecessary. The only use case now is in test_bpf_ip_check_defrag_ok which ends up bypassing most (or at least some) of the connect_to_fd_opts() logic. It's much better that test should have its own connect_to_fd_opts() instead. This patch adds a new "type" parameter for connect_to_fd_opts(), then opts->type and getsockopt(SO_TYPE) can be replaced by "type" parameter in it. In connect_to_fd(), use getsockopt(SO_TYPE) to get "type" value and pass it to connect_to_fd_opts(). In bpf_tcp_ca.c and cgroup_v1v2.c, "SOCK_STREAM" types are passed to connect_to_fd_opts(), and in ip_check_defrag.c, different types "SOCK_RAW" and "SOCK_DGRAM" are passed to it. With these changes, the strcut member "type" of network_helper_opts can be dropped now. Acked-by: Eduard Zingerman <[email protected]> Signed-off-by: Geliang Tang <[email protected]> Link: https://lore.kernel.org/r/cfd20b5ad4085c1d1af5e79df3b09013a407199f.1718932493.git.tanggeliang@kylinos.cn Signed-off-by: Alexei Starovoitov <[email protected]>
2024-06-20Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski15-37/+810
Cross-merge networking fixes after downstream PR. Conflicts: drivers/net/ethernet/broadcom/bnxt/bnxt.c 1e7962114c10 ("bnxt_en: Restore PTP tx_avail count in case of skb_pad() error") 165f87691a89 ("bnxt_en: add timestamping statistics support") No adjacent changes. Signed-off-by: Jakub Kicinski <[email protected]>
2024-06-20Merge tag 'net-6.10-rc5' of ↵Linus Torvalds10-21/+759
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net Pull networking fixes from Jakub Kicinski: "Including fixes from wireless, bpf and netfilter. Happy summer solstice! The line count is a bit inflated by a selftest and update to a driver's FW interface header, in reality this is slightly below average for us. We are expecting one driver fix from Intel, but there are no big known issues. Current release - regressions: - ipv6: bring NLM_DONE out to a separate recv() again Current release - new code bugs: - wifi: cfg80211: wext: set ssids=NULL for passive scans via old wext API Previous releases - regressions: - wifi: mac80211: fix monitor channel setting with chanctx emulation (probably most awaited of the fixes in this PR, tracked by Thorsten) - usb: ax88179_178a: bring back reset on init, if PHY is disconnected - bpf: fix UML x86_64 compile failure with BPF - bpf: avoid splat in pskb_pull_reason(), sanity check added can be hit with malicious BPF - eth: mvpp2: use slab_build_skb() for packets in slab, driver was missed during API refactoring - wifi: iwlwifi: add missing unlock of mvm mutex Previous releases - always broken: - ipv6: add a number of missing null-checks for in6_dev_get(), in case IPv6 disabling races with the datapath - bpf: fix reg_set_min_max corruption of fake_reg - sched: act_ct: add netns as part of the key of tcf_ct_flow_table" * tag 'net-6.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (63 commits) net: usb: rtl8150 fix unintiatilzed variables in rtl8150_get_link_ksettings selftests: virtio_net: add forgotten config options bnxt_en: Restore PTP tx_avail count in case of skb_pad() error bnxt_en: Set TSO max segs on devices with limits bnxt_en: Update firmware interface to 1.10.3.44 net: stmmac: Assign configured channel value to EXTTS event net: do not leave a dangling sk pointer, when socket creation fails net/tcp_ao: Don't leak ao_info on error-path ice: Fix VSI list rule with ICE_SW_LKUP_LAST type ipv6: bring NLM_DONE out to a separate recv() again selftests: add selftest for the SRv6 End.DX6 behavior with netfilter selftests: add selftest for the SRv6 End.DX4 behavior with netfilter netfilter: move the sysctl nf_hooks_lwtunnel into the netfilter core seg6: fix parameter passing when calling NF_HOOK() in End.DX4 and End.DX6 behaviors netfilter: ipset: Fix suspicious rcu_dereference_protected() selftests: openvswitch: Set value to nla flags. octeontx2-pf: Fix linking objects into multiple modules octeontx2-pf: Add error handling to VLAN unoffload handling virtio_net: fixing XDP for fully checksummed packets handling virtio_net: checksum offloading handling fix ...
2024-06-20kselftest: devices: Add of-fullname-regex propertyNícolas F. R. A. Prado2-0/+28
Introduce a new 'of-fullname-regex' property that takes a regular expression and matches against the OF_FULLNAME property. It allows matching controllers that don't have a unique DT address across sibling controllers, and thus dt-mmio can't be used. One particular example of where this is needed is on MT8195 which has multiple USB controllers described by two level deep nodes and using the ranges property: ssusb2: usb@112a1000 { reg = <0 0x112a1000 0 0x2dff>, <0 0x112a3e00 0 0x0100>; ranges = <0 0 0 0x112a0000 0 0x3f00>; xhci2: usb@0 { Signed-off-by: Nícolas F. R. A. Prado <[email protected]> Link: https://lore.kernel.org/r/20240613-kselftest-discoverable-probe-mt8195-kci-v1-2-7b396a9b032d@collabora.com Signed-off-by: Greg Kroah-Hartman <[email protected]>
2024-06-20kselftest: devices: Allow specifying boards directory through parameterNícolas F. R. A. Prado1-1/+12
Add support for a --boards-dir parameter through which the directory in which the board files will be searched for can be specified. The 'boards' subdirectory is still used as default when the parameter is not specified. This allows more easily running the test with board files supplied by an external repository like https://github.com/kernelci/platform-test-parameters. Signed-off-by: Nícolas F. R. A. Prado <[email protected]> Link: https://lore.kernel.org/r/20240613-kselftest-discoverable-probe-mt8195-kci-v1-1-7b396a9b032d@collabora.com Signed-off-by: Greg Kroah-Hartman <[email protected]>
2024-06-20KVM: selftests: arm64: Test writes to CTR_EL0Sebastian Ott1-0/+16
Test that CTR_EL0 is modifiable from userspace, that changes are visible to guests, and that they are preserved across a vCPU reset. Signed-off-by: Sebastian Ott <[email protected]> Reviewed-by: Eric Auger <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Oliver Upton <[email protected]>
2024-06-20selftests: virtio_net: add forgotten config optionsJiri Pirko1-1/+7
One may use tools/testing/selftests/drivers/net/virtio_net/config for example for vng build command like this one: $ vng -v -b -f tools/testing/selftests/drivers/net/virtio_net/config In that case, the needed kernel config options are not turned on. Add the missed kernel config options. Reported-by: Jakub Kicinski <[email protected]> Closes: https://lore.kernel.org/netdev/[email protected]/ Reported-by: Matthieu Baerts <[email protected]> Closes: https://lore.kernel.org/netdev/[email protected]/ Fixes: ccfaed04db5e ("selftests: virtio_net: add initial tests") Signed-off-by: Jiri Pirko <[email protected]> Reviewed-by: Xuan Zhuo <[email protected]> Acked-by: Michael S. Tsirkin <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2024-06-19binfmt_elf: Honor PT_LOAD alignment for static PIEKees Cook1-1/+1
The p_align values in PT_LOAD were ignored for static PIE executables (i.e. ET_DYN without PT_INTERP). This is because there is no way to request a non-fixed mmap region with a specific alignment. ET_DYN with PT_INTERP uses a separate base address (ELF_ET_DYN_BASE) and binfmt_elf performs the ASLR itself, which means it can also apply alignment. For the mmap region, the address selection happens deep within the vm_mmap() implementation (when the requested address is 0). The earlier attempt to implement this: commit 9630f0d60fec ("fs/binfmt_elf: use PT_LOAD p_align values for static PIE") commit 925346c129da ("fs/binfmt_elf: fix PT_LOAD p_align values for loaders") did not take into account the different base address origins, and were eventually reverted: aeb7923733d1 ("revert "fs/binfmt_elf: use PT_LOAD p_align values for static PIE"") In order to get the correct alignment from an mmap base, binfmt_elf must perform a 0-address load first, then tear down the mapping and perform alignment on the resulting address. Since this is slightly more overhead, only do this when it is needed (i.e. the alignment is not the default ELF alignment). This does, however, have the benefit of being able to use MAP_FIXED_NOREPLACE, to avoid potential collisions. With this fixed, enable the static PIE self tests again. Reported-by: H.J. Lu <[email protected]> Closes: https://bugzilla.kernel.org/show_bug.cgi?id=215275 Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Kees Cook <[email protected]>
2024-06-19selftests/exec: Build both static and non-static load_address testsKees Cook2-20/+66
After commit 4d1cd3b2c5c1 ("tools/testing/selftests/exec: fix link error"), the load address alignment tests tried to build statically. This was silently ignored in some cases. However, after attempting to further fix the build by switching to "-static-pie", the test started failing. This appears to be due to non-PT_INTERP ET_DYN execs ("static PIE") not doing alignment correctly, which remains unfixed[1]. See commit aeb7923733d1 ("revert "fs/binfmt_elf: use PT_LOAD p_align values for static PIE"") for more details. Provide rules to build both static and non-static PIE binaries, improve debug reporting, and perform several test steps instead of a single all-or-nothing test. However, do not actually enable static-pie tests; alignment specification is only supported for ET_DYN with PT_INTERP ("regular PIE"). Link: https://bugzilla.kernel.org/show_bug.cgi?id=215275 [1] Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Kees Cook <[email protected]>
2024-06-19selftest/cgroup: Update test_cpuset_prs.sh to match changesWaiman Long1-15/+40
Unlike the list of isolated CPUs, it is not easy to programamatically determine what sched domains are being created by the scheduler just by examinng the data in various kernfs filesystems. The easiest way to get this information is by enabling /sys/kernel/debug/sched/verbose file to make those information displayed in the console. This is also what the test_cpuset_prs.sh script is doing when the -v flag is given. It is rather hard to fetch the data from the console and compare it to the expected result. An easier way is to dump the expected sched-domain information out to the console so that they can be visually compared with the actual sched domain data. However, this have to be done manually by visual inspection and so will only be done once in a while. Moreover the preceding cpuset commits also change the cpuset behavior requiring corresponding chanages in some test cases as well as new test cases to test the newly added functionality. Signed-off-by: Waiman Long <[email protected]> Signed-off-by: Tejun Heo <[email protected]>
2024-06-19selftest/cgroup: Fix test_cpuset_prs.sh problems reported by test robotWaiman Long1-6/+14
The test robot reported two different problems when running the test_cpuset_prs.sh test. # ./test_cpuset_prs.sh: line 106: echo: write error: Input/output error # : # Effective cpus changed to 0-1,4-7 after test 4! The write error is caused by writing to /dev/console. It looks like some systems may not have /dev/console configured or in a writeable state. Fix this by checking the existence of /dev/console before attempting to write it. After the completion of each test run, the script will check if the cpuset state is reset back to the original state. That usually takes a while to happen. The test script inserts some artificial delay to make sure that the reset has completed. The current setting is about 80ms. That may not be enough in some cases especially if the test system is slow. Double it to 160ms to minimize the chance of this type of failure. Reported-by: kernel test robot <[email protected]> Closes: https://lore.kernel.org/oe-lkp/[email protected] Signed-off-by: Waiman Long <[email protected]> Signed-off-by: Tejun Heo <[email protected]>
2024-06-19selftests: add selftest for the SRv6 End.DX6 behavior with netfilterJianguo Wu3-0/+342
this selftest is designed for evaluating the SRv6 End.DX6 behavior used with netfilter(rpfilter), in this example, for implementing IPv6 L3 VPN use cases. Signed-off-by: Jianguo Wu <[email protected]> Signed-off-by: Pablo Neira Ayuso <[email protected]>
2024-06-19selftests: add selftest for the SRv6 End.DX4 behavior with netfilterJianguo Wu3-0/+337
this selftest is designed for evaluating the SRv6 End.DX4 behavior used with netfilter(rpfilter), in this example, for implementing IPv4 L3 VPN use cases. Signed-off-by: Jianguo Wu <[email protected]> Signed-off-by: Pablo Neira Ayuso <[email protected]>
2024-06-19selftests: openvswitch: Set value to nla flags.Adrian Moreno1-1/+1
Netlink flags, although they don't have payload at the netlink level, are represented as having "True" as value in pyroute2. Without it, trying to add a flow with a flag-type action (e.g: pop_vlan) fails with the following traceback: Traceback (most recent call last): File "[...]/ovs-dpctl.py", line 2498, in <module> sys.exit(main(sys.argv)) ^^^^^^^^^^^^^^ File "[...]/ovs-dpctl.py", line 2487, in main ovsflow.add_flow(rep["dpifindex"], flow) File "[...]/ovs-dpctl.py", line 2136, in add_flow reply = self.nlm_request( ^^^^^^^^^^^^^^^^^ File "[...]/pyroute2/netlink/nlsocket.py", line 822, in nlm_request return tuple(self._genlm_request(*argv, **kwarg)) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "[...]/pyroute2/netlink/generic/__init__.py", line 126, in nlm_request return tuple(super().nlm_request(*argv, **kwarg)) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "[...]/pyroute2/netlink/nlsocket.py", line 1124, in nlm_request self.put(msg, msg_type, msg_flags, msg_seq=msg_seq) File "[...]/pyroute2/netlink/nlsocket.py", line 389, in put self.sendto_gate(msg, addr) File "[...]/pyroute2/netlink/nlsocket.py", line 1056, in sendto_gate msg.encode() File "[...]/pyroute2/netlink/__init__.py", line 1245, in encode offset = self.encode_nlas(offset) ^^^^^^^^^^^^^^^^^^^^^^^^ File "[...]/pyroute2/netlink/__init__.py", line 1560, in encode_nlas nla_instance.setvalue(cell[1]) File "[...]/pyroute2/netlink/__init__.py", line 1265, in setvalue nlv.setvalue(nla_tuple[1]) ~~~~~~~~~^^^ IndexError: list index out of range Signed-off-by: Adrian Moreno <[email protected]> Acked-by: Aaron Conole <[email protected]> Signed-off-by: David S. Miller <[email protected]>
2024-06-18Merge tag 'linux_kselftest-fixes-6.10-rc5' of ↵Linus Torvalds4-8/+35
git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest Pull kselftest fixes from Shuah Khan: - filesystems: warn_unused_result warnings - seccomp: format-zero-length warnings - fchmodat2: clang build warnings due to-static-libasan - openat2: clang build warnings due to static-libasan, LOCAL_HDRS * tag 'linux_kselftest-fixes-6.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: selftests/fchmodat2: fix clang build failure due to -static-libasan selftests/openat2: fix clang build failures: -static-libasan, LOCAL_HDRS selftests: seccomp: fix format-zero-length warnings selftests: filesystems: fix warn_unused_result build warnings
2024-06-18selftests: openvswitch: Use bash as interpreterSimon Horman1-1/+1
openvswitch.sh makes use of substitutions of the form ${ns:0:1}, to obtain the first character of $ns. Empirically, this is works with bash but not dash. When run with dash these evaluate to an empty string and printing an error to stdout. # dash -c 'ns=client; echo "${ns:0:1}"' 2>error # cat error dash: 1: Bad substitution # bash -c 'ns=client; echo "${ns:0:1}"' 2>error c # cat error This leads to tests that neither pass nor fail. F.e. TEST: arp_ping [START] adding sandbox 'test_arp_ping' Adding DP/Bridge IF: sbx:test_arp_ping dp:arpping {, , } create namespaces ./openvswitch.sh: 282: eval: Bad substitution TEST: ct_connect_v4 [START] adding sandbox 'test_ct_connect_v4' Adding DP/Bridge IF: sbx:test_ct_connect_v4 dp:ct4 {, , } ./openvswitch.sh: 322: eval: Bad substitution create namespaces Resolve this by making openvswitch.sh a bash script. Fixes: 918423fda910 ("selftests: openvswitch: add an initial flow programming case") Signed-off-by: Simon Horman <[email protected]> Reviewed-by: Przemek Kitszel <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2024-06-18KVM: selftests: Test vCPU boot IDs above 2^32 and MAX_VCPU_IDMathias Krause1-0/+16
The KVM_SET_BOOT_CPU_ID ioctl missed to reject invalid vCPU IDs. Verify this no longer works and gets rejected with an appropriate error code. Signed-off-by: Mathias Krause <[email protected]> Link: https://lore.kernel.org/r/[email protected] [sean: add test for MAX_VCPU_ID+1, always do negative test] Signed-off-by: Sean Christopherson <[email protected]>
2024-06-18KVM: selftests: Test max vCPU IDs corner casesMathias Krause1-2/+20
The KVM_CREATE_VCPU ioctl ABI had an implicit integer truncation bug, allowing 2^32 aliases for a vCPU ID by setting the upper 32 bits of a 64 bit ioctl() argument. It also allowed excluding a once set boot CPU ID. Verify this no longer works and gets rejected with an error. Signed-off-by: Mathias Krause <[email protected]> Link: https://lore.kernel.org/r/[email protected] [sean: tweak assert message+comment for 63:32!=0 testcase] Signed-off-by: Sean Christopherson <[email protected]>
2024-06-18kselftest/alsa: Fix validation of writes to volatile controlsMark Brown1-16/+29
When validating writes to controls we check that whatever value we wrote actually appears in the control. For volatile controls we cannot assume that this will be the case, the value may be changed at any time including between our write and read. Handle this by moving the check for volatile controls that we currently do for events to a separate block and just verifying that whatever value we read is valid for the control. Signed-off-by: Mark Brown <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Takashi Iwai <[email protected]> Link: https://lore.kernel.org/[email protected]
2024-06-18selftests: livepatch: Test atomic replace against multiple modulesMarcos Paulo de Souza1-49/+89
Adapt the current test-livepatch.sh script to account the number of applied livepatches and ensure that an atomic replace livepatch disables all previously applied livepatches. Signed-off-by: Marcos Paulo de Souza <[email protected]> Acked-by: Joe Lawrence <[email protected]> Reviewed-by: Miroslav Benes <[email protected]> Link: https://lore.kernel.org/r/[email protected] [[email protected]: Fixed typo in a comment.] Reviewed-by: Petr Mladek <[email protected]> Signed-off-by: Petr Mladek <[email protected]>
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