================================================================== BUG: KASAN: vmalloc-out-of-bounds in bpf_jit_binary_pack_free kernel/bpf/core.c:1165 [inline] BUG: KASAN: vmalloc-out-of-bounds in bpf_jit_free+0x27b/0x2b0 kernel/bpf/core.c:1196 Read of size 4 at addr ffffffffa0004f40 by task kworker/1:46/23129 CPU: 1 PID: 23129 Comm: kworker/1:46 Not tainted 5.18.0-rc6-syzkaller-00085-gf3f19f939c11 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events bpf_prog_free_deferred Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 print_address_description.constprop.0.cold+0xf/0x495 mm/kasan/report.c:313 print_report mm/kasan/report.c:429 [inline] kasan_report.cold+0xf4/0x1c6 mm/kasan/report.c:491 bpf_jit_binary_pack_free kernel/bpf/core.c:1165 [inline] bpf_jit_free+0x27b/0x2b0 kernel/bpf/core.c:1196 bpf_prog_free_deferred+0x4e5/0x790 kernel/bpf/core.c:2563 process_one_work+0x996/0x1610 kernel/workqueue.c:2289 worker_thread+0x665/0x1080 kernel/workqueue.c:2436 kthread+0x2e9/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 Memory state around the buggy address: ffffffffa0004e00: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ffffffffa0004e80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 >ffffffffa0004f00: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ^ ffffffffa0004f80: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ffffffffa0005000: f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 f8 ==================================================================