Hi, Got the following BUG while loading module test_bpf.ko
No time to investigate for now. root@vgoip:~# insmod test_bpf.ko [ 263.409030] ================================================================== [ 263.416415] BUG: KASAN: vmalloc-out-of-bounds in memset32+0x5c/0xa0 [ 263.422952] Write of size 4 at addr c9000e40 by task kworker/0:0/7 [ 263.429322] [ 263.430816] CPU: 0 PID: 7 Comm: kworker/0:0 Not tainted 6.8.0-rc1-s3k-dev-02364-gc626219462a6-dirty #606 [ 263.440580] Hardware name: MIAE 8xx 0x500000 CMPC885 [ 263.445658] Workqueue: events bpf_prog_free_deferred [ 263.450973] Call Trace: [ 263.453411] [c905bd00] [c0c114e8] dump_stack_lvl+0x34/0x50 (unreliable) [ 263.460744] [c905bd20] [c026b9d4] print_report+0x174/0x608 [ 263.466853] [c905bd70] [c026c01c] kasan_report+0xc0/0x130 [ 263.472788] [c905bdd0] [c0c43cb0] memset32+0x5c/0xa0 [ 263.478198] [c905bdf0] [c0030690] patch_instructions+0x70/0x17c [ 263.484656] [c905be30] [c00389b0] bpf_arch_text_invalidate+0xa8/0x120 [ 263.491638] [c905be90] [c018e63c] bpf_prog_pack_free+0xec/0x24c [ 263.498096] [c905bec0] [c018ea34] bpf_jit_binary_pack_free+0x3c/0x80 [ 263.504991] [c905bee0] [c0038ae8] bpf_jit_free+0xc0/0x128 [ 263.510925] [c905bf00] [c00790f8] process_one_work+0x310/0x6e8 [ 263.517209] [c905bf50] [c0079b2c] worker_thread+0x65c/0x868 [ 263.523232] [c905bfc0] [c0084b78] kthread+0x17c/0x1ac [ 263.528817] [c905bff0] [c00181fc] start_kernel_thread+0x10/0x14 [ 263.535279] [ 263.536782] The buggy address belongs to the virtual mapping at [ 263.536782] [c9000000, c9008000) created by: [ 263.536782] text_area_cpu_up+0x28/0x1d4 [ 263.551418] [ 263.552902] The buggy address belongs to the physical page: [ 263.560228] [ 263.561713] Memory state around the buggy address: [ 263.566585] c9000d00: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 [ 263.573307] c9000d80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 [ 263.580027] >c9000e00: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 [ 263.586677] ^ [ 263.591370] c9000e80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 [ 263.598093] c9000f00: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 [ 263.604743] ================================================================== Christophe