On Mon, Dec 04, 2023 at 10:13:34AM +0100, Peter Zijlstra wrote: > > Just running test_progs it splats right away: > > > > [ 74.047757] kmemleak: Found object by alias at 0xffffffffa0001d80 > > [ 74.048272] CPU: 14 PID: 104 Comm: kworker/14:0 Tainted: G W > > O 6.7.0-rc3-00702-g41c30fec304d-dirty #5241 > > [ 74.049118] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), > > BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014 > > [ 74.050042] Workqueue: events bpf_prog_free_deferred > > [ 74.050448] Call Trace: > > [ 74.050663] <TASK> > > [ 74.050841] dump_stack_lvl+0x55/0x80 > > [ 74.051141] __find_and_remove_object+0xdb/0x110 > > [ 74.051521] kmemleak_free+0x41/0x70 > > [ 74.051828] vfree+0x36/0x130 > > Durr, I'll see if I can get that stuff running locally, and otherwise > play with the robot as you suggested. Thanks! I think it is bpf_jit_binary_pack_hdr(), which is using prog->bpf_func as a start address for the image, instead of jit_data->image. This used to be true, but now it's offset. Let me see what to do about that...
