Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
io_uring/fdinfo: get rid of dumping credentials
It's a faily obscure feature, and registered credentials would for that
mostly be a static thing. Don't bother including code to dump the
personalities indices.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
-38
-38
io_uring/fdinfo.c
-38
io_uring/fdinfo.c
···
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#include "cancel.h"
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#include "rsrc.h"
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static __cold int io_uring_show_cred(struct seq_file *m, unsigned int id,
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const struct cred *cred)
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{
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struct user_namespace *uns = seq_user_ns(m);
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struct group_info *gi;
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kernel_cap_t cap;
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int g;
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seq_printf(m, "%5d\n", id);
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seq_put_decimal_ull(m, "\tUid:\t", from_kuid_munged(uns, cred->uid));
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seq_put_decimal_ull(m, "\t\t", from_kuid_munged(uns, cred->euid));
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seq_put_decimal_ull(m, "\t\t", from_kuid_munged(uns, cred->suid));
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seq_put_decimal_ull(m, "\t\t", from_kuid_munged(uns, cred->fsuid));
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seq_put_decimal_ull(m, "\n\tGid:\t", from_kgid_munged(uns, cred->gid));
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seq_put_decimal_ull(m, "\t\t", from_kgid_munged(uns, cred->egid));
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seq_put_decimal_ull(m, "\t\t", from_kgid_munged(uns, cred->sgid));
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seq_put_decimal_ull(m, "\t\t", from_kgid_munged(uns, cred->fsgid));
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seq_puts(m, "\n\tGroups:\t");
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gi = cred->group_info;
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for (g = 0; g < gi->ngroups; g++) {
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seq_put_decimal_ull(m, g ? " " : "",
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from_kgid_munged(uns, gi->gid[g]));
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}
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seq_puts(m, "\n\tCapEff:\t");
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cap = cred->cap_effective;
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seq_put_hex_ll(m, NULL, cap.val, 16);
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seq_putc(m, '\n');
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return 0;
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}
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#ifdef CONFIG_NET_RX_BUSY_POLL
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static __cold void common_tracking_show_fdinfo(struct io_ring_ctx *ctx,
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struct seq_file *m,
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seq_printf(m, "%5u: 0x%llx/%u\n", i, buf->ubuf, buf->len);
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else
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seq_printf(m, "%5u: <none>\n", i);
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}
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if (!xa_empty(&ctx->personalities)) {
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unsigned long index;
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const struct cred *cred;
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seq_printf(m, "Personalities:\n");
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xa_for_each(&ctx->personalities, index, cred)
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io_uring_show_cred(m, index, cred);
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}
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seq_puts(m, "PollList:\n");