------------[ cut here ]------------
WARNING: CPU: 0 PID: 6290 at mm/percpu.c:891 pcpu_alloc+0x78a/0xab0 mm/percpu.c:891
illegal size (65592) or align (8) for percpu allocation
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 6290 Comm: syz-executor.0 Not tainted 4.9.189+ #3
 ffff8801a235f9f8 ffffffff81b65c01 ffff8801a235fb00 ffffffff82a3b1c0
 00000000ffffffff 0000000000000000 0000000000000009 ffff8801a235fad8
 ffffffff813feb5a 0000000041b58ab3 ffffffff82e3260d ffffffff813fe981
Call Trace:
 [<00000000539a0655>] __dump_stack lib/dump_stack.c:15 [inline]
 [<00000000539a0655>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<000000001b346046>] panic+0x1d9/0x3bd kernel/panic.c:180
 [<0000000042e62b0e>] __warn.cold+0x2f/0x2f kernel/panic.c:546
 [<000000002705c5a1>] warn_slowpath_fmt+0xc2/0x100 kernel/panic.c:569
 [<000000004495871e>] pcpu_alloc+0x78a/0xab0 mm/percpu.c:891
 [<00000000cc66c171>] __alloc_percpu_gfp+0x28/0x30 mm/percpu.c:1066
 [<000000001cfd2a63>] alloc_extra_elems kernel/bpf/hashtab.c:141 [inline]
 [<000000001cfd2a63>] htab_map_alloc+0x753/0xf00 kernel/bpf/hashtab.c:256
 [<000000006a6adcf4>] find_and_alloc_map kernel/bpf/syscall.c:38 [inline]
 [<000000006a6adcf4>] map_create kernel/bpf/syscall.c:259 [inline]
 [<000000006a6adcf4>] SYSC_bpf kernel/bpf/syscall.c:1019 [inline]
 [<000000006a6adcf4>] SyS_bpf+0x6fc/0x25d0 kernel/bpf/syscall.c:972
 [<00000000c9ed579e>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288
 [<00000000d0917daf>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Kernel Offset: disabled
Rebooting in 86400 seconds..