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BUG: KCSAN: data-race in can_receive / can_receive

read-write to 0xffff88813778a988 of 8 bytes by interrupt on cpu 1:
 can_receive+0x4e/0x1f0 net/can/af_can.c:649
 canfd_rcv+0xe7/0x180 net/can/af_can.c:702
 __netif_receive_skb_one_core net/core/dev.c:5452 [inline]
 __netif_receive_skb+0x90/0x1b0 net/core/dev.c:5566
 process_backlog+0x21f/0x380 net/core/dev.c:5894
 __napi_poll+0x60/0x3b0 net/core/dev.c:6460
 napi_poll net/core/dev.c:6527 [inline]
 net_rx_action+0x32b/0x750 net/core/dev.c:6660
 __do_softirq+0xc1/0x265 kernel/softirq.c:553
 invoke_softirq kernel/softirq.c:427 [inline]
 __irq_exit_rcu kernel/softirq.c:632 [inline]
 irq_exit_rcu+0x3b/0x90 kernel/softirq.c:644
 sysvec_apic_timer_interrupt+0x6d/0x80 arch/x86/kernel/apic/apic.c:1109
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
 __sanitizer_cov_trace_const_cmp2+0x8/0x90 kernel/kcov.c:298
 __sctp_v6_cmp_addr+0xe6/0x2c0 net/sctp/ipv6.c:627
 sctp_v6_cmp_addr+0x20/0x80 net/sctp/ipv6.c:662
 sctp_cmp_addr_exact net/sctp/associola.c:901 [inline]
 sctp_assoc_lookup_paddr net/sctp/associola.c:767 [inline]
 sctp_assoc_add_peer+0xe9/0xb90 net/sctp/associola.c:604
 sctp_process_param net/sctp/sm_make_chunk.c:2576 [inline]
 sctp_process_init+0x979/0x1620 net/sctp/sm_make_chunk.c:2396
 sctp_cmd_process_init net/sctp/sm_sideeffect.c:706 [inline]
 sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1389 [inline]
 sctp_side_effects net/sctp/sm_sideeffect.c:1198 [inline]
 sctp_do_sm+0x10d9/0x31b0 net/sctp/sm_sideeffect.c:1169
 sctp_assoc_bh_rcv+0x2b2/0x430 net/sctp/associola.c:1051
 sctp_inq_push+0x108/0x120 net/sctp/inqueue.c:80
 sctp_backlog_rcv+0xf3/0x4b0 net/sctp/input.c:331
 sk_backlog_rcv include/net/sock.h:1115 [inline]
 __release_sock+0xe5/0x240 net/core/sock.c:2981
 release_sock+0x44/0x110 net/core/sock.c:3518
 sctp_wait_for_connect+0x1fe/0x350 net/sctp/socket.c:9341
 sctp_sendmsg_to_asoc+0xbf6/0xc00 net/sctp/socket.c:1884
 sctp_sendmsg+0x134e/0x1900 net/sctp/socket.c:2030
 inet_sendmsg+0x63/0x80 net/ipv4/af_inet.c:830
 sock_sendmsg_nosec net/socket.c:725 [inline]
 sock_sendmsg net/socket.c:748 [inline]
 __sys_sendto+0x257/0x310 net/socket.c:2134
 __do_sys_sendto net/socket.c:2146 [inline]
 __se_sys_sendto net/socket.c:2142 [inline]
 __x64_sys_sendto+0x78/0x90 net/socket.c:2142
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

read-write to 0xffff88813778a988 of 8 bytes by interrupt on cpu 0:
 can_receive+0x4e/0x1f0 net/can/af_can.c:649
 canfd_rcv+0xe7/0x180 net/can/af_can.c:702
 __netif_receive_skb_one_core net/core/dev.c:5452 [inline]
 __netif_receive_skb+0x90/0x1b0 net/core/dev.c:5566
 process_backlog+0x21f/0x380 net/core/dev.c:5894
 __napi_poll+0x60/0x3b0 net/core/dev.c:6460
 napi_poll net/core/dev.c:6527 [inline]
 net_rx_action+0x32b/0x750 net/core/dev.c:6660
 __do_softirq+0xc1/0x265 kernel/softirq.c:553
 run_ksoftirqd+0x17/0x20 kernel/softirq.c:921
 smpboot_thread_fn+0x30a/0x4a0 kernel/smpboot.c:164
 kthread+0x1d7/0x210 kernel/kthread.c:389
 ret_from_fork+0x2e/0x40 arch/x86/kernel/process.c:145
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:304

value changed: 0x000000000005c788 -> 0x000000000005c789

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 14 Comm: ksoftirqd/0 Not tainted 6.5.0-syzkaller-00453-g727dbda16b83 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
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