__netif_receive_skb_one_core net/core/dev.c:5281 [inline]
 __netif_receive_skb net/core/dev.c:5395 [inline]
 process_backlog+0xfb5/0x14e0 net/core/dev.c:6239
 napi_poll net/core/dev.c:6684 [inline]
 net_rx_action+0x746/0x1aa0 net/core/dev.c:6752
 __do_softirq+0x311/0x83d kernel/softirq.c:293
Uninit was created at:
=====================================================
BUG: KMSAN: uninit-value in is_kernel include/linux/kallsyms.h:42 [inline]
BUG: KMSAN: uninit-value in is_ksym_addr include/linux/kallsyms.h:50 [inline]
BUG: KMSAN: uninit-value in kallsyms_lookup+0x148/0x770 kernel/kallsyms.c:290
CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 5.8.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1df/0x240 lib/dump_stack.c:118
 kmsan_report+0xf7/0x1e0 mm/kmsan/kmsan_report.c:121
 __msan_warning+0x58/0xa0 mm/kmsan/kmsan_instr.c:215
 is_kernel include/linux/kallsyms.h:42 [inline]
 is_ksym_addr include/linux/kallsyms.h:50 [inline]
 kallsyms_lookup+0x148/0x770 kernel/kallsyms.c:290
 __sprint_symbol+0x140/0x590 kernel/kallsyms.c:363
 sprint_symbol+0x7c/0x90 kernel/kallsyms.c:394
 symbol_string+0x157/0x420 lib/vsprintf.c:969
 pointer+0x1396/0x1cf0 lib/vsprintf.c:2226
 vsnprintf+0x1a2a/0x31b0 lib/vsprintf.c:2624
 vscnprintf+0xc2/0x180 lib/vsprintf.c:2723
 vprintk_store+0xef/0x11d0 kernel/printk/printk.c:1943
 vprintk_emit+0x2c0/0x8b0 kernel/printk/printk.c:2010
 vprintk_default+0x90/0xa0 kernel/printk/printk.c:2046
 vprintk_func+0x228/0x230 kernel/printk/printk_safe.c:393
 printk+0x18b/0x1d3 kernel/printk/printk.c:2077
 stack_trace_print+0x1b1/0x1f0 kernel/stacktrace.c:32
 kmsan_print_origin+0x1a0/0x1b0 mm/kmsan/kmsan_report.c:62
 kmsan_internal_chain_origin+0x76/0x130 mm/kmsan/kmsan.c:302
 kmsan_memcpy_memmove_metadata+0x272/0x2e0 mm/kmsan/kmsan.c:247
 kmsan_memcpy_metadata+0xb/0x10 mm/kmsan/kmsan.c:267
 __msan_memcpy+0x43/0x50 mm/kmsan/kmsan_instr.c:116
 skb_copy_from_linear_data_offset include/linux/skbuff.h:3636 [inline]
 skb_copy_bits+0x217/0xdd0 net/core/skbuff.c:2200
 tcp_collapse+0x19c5/0x2560 net/ipv4/tcp_input.c:5029
 tcp_prune_queue net/ipv4/tcp_input.c:5176 [inline]
 tcp_try_rmem_schedule+0x12b7/0x1f10 net/ipv4/tcp_input.c:4562
 tcp_data_queue_ofo net/ipv4/tcp_input.c:4583 [inline]
 tcp_data_queue+0x275a/0x9fd0 net/ipv4/tcp_input.c:4896
 tcp_rcv_established+0x13cc/0x3280 net/ipv4/tcp_input.c:5753
 tcp_v4_do_rcv+0x6ce/0xd70 net/ipv4/tcp_ipv4.c:1641
 tcp_v4_rcv+0x4c77/0x5040 net/ipv4/tcp_ipv4.c:2023
 ip_protocol_deliver_rcu+0x4b7/0xbc0 net/ipv4/ip_input.c:204
 ip_local_deliver_finish net/ipv4/ip_input.c:231 [inline]
 NF_HOOK include/linux/netfilter.h:307 [inline]
 ip_local_deliver+0x62a/0x7c0 net/ipv4/ip_input.c:252
 dst_input include/net/dst.h:449 [inline]
 ip_rcv_finish net/ipv4/ip_input.c:428 [inline]
 NF_HOOK include/linux/netfilter.h:307 [inline]
 ip_rcv+0x6cf/0x750 net/ipv4/ip_input.c:539
 __netif_receive_skb_one_core net/core/dev.c:5281 [inline]
 __netif_receive_skb net/core/dev.c:5395 [inline]
 process_backlog+0xfb5/0x14e0 net/core/dev.c:6239
 napi_poll net/core/dev.c:6684 [inline]
 net_rx_action+0x746/0x1aa0 net/core/dev.c:6752
 __do_softirq+0x311/0x83d kernel/softirq.c:293
 run_ksoftirqd+0x25/0x40 kernel/softirq.c:634
 smpboot_thread_fn+0x493/0x980 kernel/smpboot.c:165
 kthread+0x515/0x550 kernel/kthread.c:292
 ret_from_fork+0x22/0x30 arch/x86/entry/entry_64.S:293

Uninit was created at:
 kmsan_save_stack_with_flags+0x3c/0x90 mm/kmsan/kmsan.c:144
 kmsan_internal_alloc_meta_for_pages mm/kmsan/kmsan_shadow.c:269 [inline]
 kmsan_alloc_page+0xb9/0x180 mm/kmsan/kmsan_shadow.c:293
 __alloc_pages_nodemask+0x56a2/0x5dc0 mm/page_alloc.c:4889
 __alloc_pages include/linux/gfp.h:509 [inline]
 __alloc_pages_node include/linux/gfp.h:522 [inline]
 alloc_pages_node include/linux/gfp.h:536 [inline]
 __page_frag_cache_refill mm/page_alloc.c:4964 [inline]
 page_frag_alloc+0x3ae/0x910 mm/page_alloc.c:4994
 __netdev_alloc_skb+0x703/0xbb0 net/core/skbuff.c:456
 __netdev_alloc_skb_ip_align include/linux/skbuff.h:2826 [inline]
 netdev_alloc_skb_ip_align include/linux/skbuff.h:2836 [inline]
 batadv_iv_ogm_aggregate_new net/batman-adv/bat_iv_ogm.c:558 [inline]
 batadv_iv_ogm_queue_add+0x10da/0x1900 net/batman-adv/bat_iv_ogm.c:670
 batadv_iv_ogm_schedule_buff net/batman-adv/bat_iv_ogm.c:849 [inline]
 batadv_iv_ogm_schedule+0x10ef/0x1430 net/batman-adv/bat_iv_ogm.c:869
 batadv_iv_send_outstanding_bat_ogm_packet+0xbae/0xd50 net/batman-adv/bat_iv_ogm.c:1722
 process_one_work+0x1540/0x1f30 kernel/workqueue.c:2269
 worker_thread+0xed2/0x23f0 kernel/workqueue.c:2415
 kthread+0x515/0x550 kernel/kthread.c:292
 ret_from_fork+0x22/0x30 arch/x86/entry/entry_64.S:293
=====================================================