tjh.dev / kernel
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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io_uring/bpf_filter: use bpf_prog_run_pin_on_cpu() to prevent migration

Since the caller, __io_uring_run_bpf_filters(), doesn't prevent
migration, it should use the migration disabling variant for running
the BPF program.

Fixes: d42eb05e60fe ("io_uring: add support for BPF filtering for opcode restrictions")
Signed-off-by: Jens Axboe <axboe@kernel.dk>

Jens Axboe 785d4625 3306a589

+1 -1
+1 -1
io_uring/bpf_filter.c
··· 85 85 do { 86 86 if (filter == &dummy_filter) 87 87 return -EACCES; 88 - ret = bpf_prog_run(filter->prog, &bpf_ctx); 88 + ret = bpf_prog_run_pin_on_cpu(filter->prog, &bpf_ctx); 89 89 if (!ret) 90 90 return -EACCES; 91 91 filter = filter->next;