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charset=us-ascii Content-Disposition: inline tree: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git master head: 9325d53fe9adff354b6a93fda5f38c165947da0f commit: a498ee7576de24b4b0916ce56cf2686e261a29f7 [2/4] bpf: Implement dynptr copy kfuncs config: x86_64-randconfig-123-20250515 (https://download.01.org/0day-ci/archive/20250516/202505160426.4odfmpXg-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250516/202505160426.4odfmpXg-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202505160426.4odfmpXg-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) kernel/trace/bpf_trace.c:835:41: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void [noderef] __user *[addressable] [assigned] [usertype] sival_ptr @@ got void * @@ kernel/trace/bpf_trace.c:835:41: sparse: expected void [noderef] __user *[addressable] [assigned] [usertype] sival_ptr kernel/trace/bpf_trace.c:835:41: sparse: got void * >> kernel/trace/bpf_trace.c:3619:52: sparse: sparse: cast removes address space '__user' of expression kernel/trace/bpf_trace.c:3633:56: sparse: sparse: cast removes address space '__user' of expression kernel/trace/bpf_trace.c:3647:52: sparse: sparse: cast removes address space '__user' of expression kernel/trace/bpf_trace.c:3654:56: sparse: sparse: cast removes address space '__user' of expression kernel/trace/bpf_trace.c:3662:52: sparse: sparse: cast removes address space '__user' of expression kernel/trace/bpf_trace.c:3670:56: sparse: sparse: cast removes address space '__user' of expression kernel/trace/bpf_trace.c: note: in included file (through include/linux/rbtree.h, include/linux/mm_types.h, include/linux/mmzone.h, ...): include/linux/rcupdate.h:871:25: sparse: sparse: context imbalance in 'uprobe_prog_run' - unexpected unlock vim +/__user +3619 kernel/trace/bpf_trace.c 3615 3616 __bpf_kfunc int bpf_probe_read_user_dynptr(struct bpf_dynptr *dptr, u32 off, 3617 u32 size, const void __user *unsafe_ptr__ign) 3618 { > 3619 return __bpf_dynptr_copy(dptr, off, size, (const void *)unsafe_ptr__ign, 3620 copy_user_data_nofault, NULL); 3621 } 3622 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki