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WARNING: CPU: 0 PID: 17143 at mm/percpu.c:891 pcpu_alloc+0x78a/0xab0 mm/percpu.c:891
illegal size (33080) or align (8) for percpu allocation
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 17143 Comm: syz-executor.4 Not tainted 4.9.170+ #45
 ffff8801a442fa00 ffffffff81b4fb21 ffff8801a442fb00 ffffffff82a39ba0
 00000000ffffffff 0000000000000000 0000000000000009 ffff8801a442fae0
 ffffffff813f966a 0000000041b58ab3 ffffffff82e2eee2 ffffffff813f9491
Call Trace:
 [<000000000470687d>] __dump_stack lib/dump_stack.c:15 [inline]
 [<000000000470687d>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<00000000df1ffb94>] panic+0x1d9/0x3bd kernel/panic.c:180
 [<0000000002f30c48>] __warn.cold+0x2f/0x2f kernel/panic.c:546
 [<000000001e19497d>] warn_slowpath_fmt+0xc2/0x100 kernel/panic.c:569
 [<000000008254c5ee>] pcpu_alloc+0x78a/0xab0 mm/percpu.c:891
 [<00000000f7221ecb>] __alloc_percpu_gfp+0x28/0x30 mm/percpu.c:1066
 [<00000000272527ff>] alloc_extra_elems kernel/bpf/hashtab.c:133 [inline]
 [<00000000272527ff>] htab_map_alloc+0x74f/0xef0 kernel/bpf/hashtab.c:243
 [<00000000c4eb11a6>] find_and_alloc_map kernel/bpf/syscall.c:38 [inline]
 [<00000000c4eb11a6>] map_create kernel/bpf/syscall.c:259 [inline]
 [<00000000c4eb11a6>] SYSC_bpf kernel/bpf/syscall.c:1019 [inline]
 [<00000000c4eb11a6>] SyS_bpf+0x6fc/0x25d0 kernel/bpf/syscall.c:972
 [<000000000addde89>] do_syscall_64+0x1ad/0x570 arch/x86/entry/common.c:285
 [<00000000fffe8e13>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Kernel Offset: disabled
Rebooting in 86400 seconds..