==================================================================
BUG: KASAN: use-after-free in __read_once_size include/linux/compiler.h:191 [inline]
BUG: KASAN: use-after-free in list_empty include/linux/list.h:226 [inline]
BUG: KASAN: use-after-free in bpf_prog_ksym_node_add kernel/bpf/core.c:579 [inline]
BUG: KASAN: use-after-free in bpf_prog_kallsyms_add+0xaa5/0xaf0 kernel/bpf/core.c:611
Read of size 8 at addr ffff8880863428a8 by task syz-executor0/18348

CPU: 0 PID: 18348 Comm: syz-executor0 Not tainted 4.20.0+ #12
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1db/0x2d0 lib/dump_stack.c:113
 print_address_description.cold+0x7c/0x20d mm/kasan/report.c:187
 kasan_report.cold+0x1b/0x40 mm/kasan/report.c:317
 __asan_report_load8_noabort+0x14/0x20 mm/kasan/generic_report.c:135
 __read_once_size include/linux/compiler.h:191 [inline]
 list_empty include/linux/list.h:226 [inline]
 bpf_prog_ksym_node_add kernel/bpf/core.c:579 [inline]
 bpf_prog_kallsyms_add+0xaa5/0xaf0 kernel/bpf/core.c:611
 bpf_prog_load+0x13a9/0x1d00 kernel/bpf/syscall.c:1556
 __do_sys_bpf+0xc52/0x4410 kernel/bpf/syscall.c:2618
 __se_sys_bpf kernel/bpf/syscall.c:2580 [inline]
 __x64_sys_bpf+0x73/0xb0 kernel/bpf/syscall.c:2580
 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457ec9
Code: 6d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 3b b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fb8c6c8bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457ec9
RDX: 0000000000000048 RSI: 0000000020000200 RDI: 0000000000000005
RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb8c6c8c6d4
R13: 00000000004be236 R14: 00000000004ce4e0 R15: 00000000ffffffff

Allocated by task 18348:
 save_stack+0x45/0xd0 mm/kasan/common.c:73
 set_track mm/kasan/common.c:85 [inline]
 kasan_kmalloc mm/kasan/common.c:482 [inline]
 kasan_kmalloc+0xcf/0xe0 mm/kasan/common.c:455
 kmem_cache_alloc_trace+0x151/0x760 mm/slab.c:3607
 kmalloc include/linux/slab.h:545 [inline]
 kzalloc include/linux/slab.h:740 [inline]
 bpf_prog_alloc+0x16a/0x410 kernel/bpf/core.c:92
 bpf_prog_load+0x52e/0x1d00 kernel/bpf/syscall.c:1486
 __do_sys_bpf+0xc52/0x4410 kernel/bpf/syscall.c:2618
 __se_sys_bpf kernel/bpf/syscall.c:2580 [inline]
 __x64_sys_bpf+0x73/0xb0 kernel/bpf/syscall.c:2580
 do_syscall_64+0x1a3/0x800 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe

Freed by task 2873:
 save_stack+0x45/0xd0 mm/kasan/common.c:73
 set_track mm/kasan/common.c:85 [inline]
 __kasan_slab_free+0x102/0x150 mm/kasan/common.c:444
 kasan_slab_free+0xe/0x10 mm/kasan/common.c:452
 __cache_free mm/slab.c:3485 [inline]
 kfree+0xcf/0x230 mm/slab.c:3804
 bpf_jit_free+0xf9/0x430
 bpf_prog_free_deferred+0x2db/0x410 kernel/bpf/core.c:1992
 process_one_work+0xd0c/0x1ce0 kernel/workqueue.c:2153
 worker_thread+0x143/0x14a0 kernel/workqueue.c:2296
 kthread+0x357/0x430 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352

The buggy address belongs to the object at ffff888086342840
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 104 bytes inside of
 512-byte region [ffff888086342840, ffff888086342a40)
The buggy address belongs to the page:
page:ffffea000218d080 count:1 mapcount:0 mapping:ffff88812c3f0940 index:0xffff8880863425c0
flags: 0x1fffc0000000200(slab)
raw: 01fffc0000000200 ffffea00024cb008 ffffea0002642bc8 ffff88812c3f0940
raw: ffff8880863425c0 ffff8880863420c0 0000000100000005 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff888086342780: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
 ffff888086342800: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb
>ffff888086342880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                  ^
 ffff888086342900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888086342980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================