==================================================================
BUG: KASAN: null-ptr-deref in choke_reset+0x32b/0x490 net/sched/sch_choke.c:326
Write of size 8 at addr 0000000000000000 by task syz-executor.2/21837

CPU: 1 PID: 21837 Comm: syz-executor.2 Not tainted 5.7.0-rc4-syzkaller #0
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+0x1e9/0x30e lib/dump_stack.c:118
 __kasan_report+0x122/0x1a0 mm/kasan/report.c:515
 kasan_report+0x4d/0x80 mm/kasan/common.c:625
==================================================================
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 21837 Comm: syz-executor.2 Tainted: G    B             5.7.0-rc4-syzkaller #0
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+0x1e9/0x30e lib/dump_stack.c:118
 panic+0x264/0x7a0 kernel/panic.c:221
 end_report mm/kasan/report.c:103 [inline]
 __kasan_report+0x191/0x1a0 mm/kasan/report.c:518
 kasan_report+0x4d/0x80 mm/kasan/common.c:625
Kernel Offset: disabled
Rebooting in 86400 seconds..