------------[ cut here ]------------
WARNING: CPU: 1 PID: 12746 at mm/percpu.c:891 pcpu_alloc+0x78a/0xab0 mm/percpu.c:891
illegal size (38064) or align (8) for percpu allocation
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 12746 Comm: syz-executor.5 Not tainted 4.9.194+ #0
 ffff8801cb90f9f8 ffffffff81b67001 ffff8801cb90fb00 ffffffff82a3b3c0
 00000000ffffffff 0000000000000001 0000000000000009 ffff8801cb90fad8
 ffffffff813fef3a 0000000041b58ab3 ffffffff82e32f55 ffffffff813fed61
Call Trace:
 [<00000000466a3ab7>] __dump_stack lib/dump_stack.c:15 [inline]
 [<00000000466a3ab7>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<00000000e38cbb18>] panic+0x1d9/0x3bd kernel/panic.c:180
 [<000000002ad28a42>] __warn.cold+0x2f/0x2f kernel/panic.c:546
 [<000000006debf6ad>] warn_slowpath_fmt+0xc2/0x100 kernel/panic.c:569
 [<00000000607b3715>] pcpu_alloc+0x78a/0xab0 mm/percpu.c:891
 [<00000000a30cae76>] __alloc_percpu_gfp+0x28/0x30 mm/percpu.c:1066
 [<00000000f775978a>] alloc_extra_elems kernel/bpf/hashtab.c:141 [inline]
 [<00000000f775978a>] htab_map_alloc+0x753/0xf00 kernel/bpf/hashtab.c:256
 [<00000000e0ff32b0>] find_and_alloc_map kernel/bpf/syscall.c:38 [inline]
 [<00000000e0ff32b0>] map_create kernel/bpf/syscall.c:259 [inline]
 [<00000000e0ff32b0>] SYSC_bpf kernel/bpf/syscall.c:1019 [inline]
 [<00000000e0ff32b0>] SyS_bpf+0x6fc/0x25d0 kernel/bpf/syscall.c:972
 [<00000000e98e9490>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288
 [<000000004d0c5a3b>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Kernel Offset: disabled
Rebooting in 86400 seconds..