=====================================================
BUG: KMSAN: uninit-value in check_pointer lib/vsprintf.c:705 [inline]
BUG: KMSAN: uninit-value in string+0x3d2/0x700 lib/vsprintf.c:717
 check_pointer lib/vsprintf.c:705 [inline]
 string+0x3d2/0x700 lib/vsprintf.c:717
 vsnprintf+0x224f/0x36a0 lib/vsprintf.c:2797
 vprintk_store+0x4c4/0x20d0 kernel/printk/printk.c:2134
 vprintk_emit+0x25c/0x860 kernel/printk/printk.c:2228
 dev_vprintk_emit+0x5f5/0x6d6 drivers/base/core.c:4596
 dev_printk_emit+0x1d8/0x21a drivers/base/core.c:4607
 __netdev_printk+0x7eb/0xb00 net/core/dev.c:11417
 netdev_warn+0x1e5/0x22a net/core/dev.c:11470
 ieee802154_subif_start_xmit+0x1f6/0x250 net/mac802154/tx.c:125
 __netdev_start_xmit include/linux/netdevice.h:4988 [inline]
 netdev_start_xmit include/linux/netdevice.h:5002 [inline]
 xmit_one+0x2eb/0x760 net/core/dev.c:3582
 dev_hard_start_xmit+0x18f/0x440 net/core/dev.c:3598
 sch_direct_xmit+0x5f6/0x1410 net/sched/sch_generic.c:342
 __dev_xmit_skb+0x1c42/0x2cd0 net/core/dev.c:3809
 __dev_queue_xmit+0x1469/0x2c80 net/core/dev.c:4177
 dev_queue_xmit+0x4b/0x60 net/core/dev.c:4242
 tx+0xce/0x330 drivers/block/aoe/aoenet.c:63
 kthread+0x1e6/0x480 drivers/block/aoe/aoecmd.c:1230
 kthread+0x66b/0x780 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30

Local variable regs created at:
 __bpf_prog_run32+0x84/0x180 kernel/bpf/core.c:1787
 bpf_dispatcher_nop_func include/linux/bpf.h:718 [inline]
 __bpf_prog_run include/linux/filter.h:624 [inline]
 bpf_prog_run include/linux/filter.h:631 [inline]
 bpf_prog_run_pin_on_cpu include/linux/filter.h:651 [inline]
 bpf_prog_run_clear_cb include/linux/filter.h:785 [inline]
 run_filter net/packet/af_packet.c:2037 [inline]
 packet_rcv+0x801/0x2380 net/packet/af_packet.c:2110
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