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ioctl: check if permd op is valid

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A bad permd op should fail ioctl() with EINVAL instead of
invoking undefined behavior.
This commit is contained in:
CismonX 2025-01-02 18:53:12 +08:00
parent 486bd6b36e
commit 3e325a3934
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GPG key ID: 3094873E29A482FB
2 changed files with 5 additions and 1 deletions
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2
src/backend_chromium.c
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@ -2444,7 +2444,7 @@ bookmark_permute (
break;
default:
unreachable();
return -EINVAL;
}
ctx->dirty = DIRTY_LEVEL_DATA;

4
src/backend_firefox.c
View file

@ -926,6 +926,8 @@ mozbm_pos_shift (
return 0;
}
*pos_end_ptr = pos_end;
} else if (op != BOOKMARKFS_PERMD_OP_MOVE_AFTER) {
return -EINVAL;
}
++pos_start;
} else {
@ -934,6 +936,8 @@ mozbm_pos_shift (
return 0;
}
*pos_end_ptr = pos_end;
} else if (op != BOOKMARKFS_PERMD_OP_MOVE_BEFORE) {
return -EINVAL;
}
--pos_start;