WARNING: CPU: 1 PID: 28844 at mm/percpu.c:891 pcpu_alloc+0x78a/0xab0 mm/percpu.c:891 illegal size (32872) or align (8) for percpu allocation Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 28844 Comm: syz-executor.2 Not tainted 4.9.169+ #44 ffff88019966fa00 ffffffff81b4f7f1 ffff88019966fb00 ffffffff82a39ba0 00000000ffffffff 0000000000000001 0000000000000009 ffff88019966fae0 ffffffff813f95aa 0000000041b58ab3 ffffffff82e2ede2 ffffffff813f93d1 Call Trace: [<000000004d34d4b0>] __dump_stack lib/dump_stack.c:15 [inline] [<000000004d34d4b0>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<00000000a55391cc>] panic+0x1d9/0x3bd kernel/panic.c:180 [<00000000c4e525c8>] __warn.cold+0x2f/0x2f kernel/panic.c:546 [<00000000ca242399>] warn_slowpath_fmt+0xc2/0x100 kernel/panic.c:569 [<000000001f47b0fe>] pcpu_alloc+0x78a/0xab0 mm/percpu.c:891 [<000000000f0b377a>] __alloc_percpu_gfp+0x28/0x30 mm/percpu.c:1066 [<000000006e50fe09>] alloc_extra_elems kernel/bpf/hashtab.c:133 [inline] [<000000006e50fe09>] htab_map_alloc+0x74f/0xef0 kernel/bpf/hashtab.c:243 [<00000000821718a5>] find_and_alloc_map kernel/bpf/syscall.c:38 [inline] [<00000000821718a5>] map_create kernel/bpf/syscall.c:259 [inline] [<00000000821718a5>] SYSC_bpf kernel/bpf/syscall.c:1019 [inline] [<00000000821718a5>] SyS_bpf+0x6fc/0x25d0 kernel/bpf/syscall.c:972 [<0000000014e5176b>] do_syscall_64+0x1ad/0x570 arch/x86/entry/common.c:285 [<00000000c47acc92>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Kernel Offset: disabled Rebooting in 86400 seconds..