==================================================================
BUG: KCSAN: data-race in can_receive / can_receive

read-write to 0xffff888123cbc708 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:5493 [inline]
 __netif_receive_skb+0x90/0x1b0 net/core/dev.c:5607
 process_backlog+0x21f/0x380 net/core/dev.c:5935
 __napi_poll+0x60/0x3b0 net/core/dev.c:6498
 napi_poll net/core/dev.c:6565 [inline]
 net_rx_action+0x32b/0x750 net/core/dev.c:6698
 __do_softirq+0xc1/0x265 kernel/softirq.c:571
 run_ksoftirqd+0x17/0x20 kernel/softirq.c:939
 smpboot_thread_fn+0x30a/0x4a0 kernel/smpboot.c:164
 kthread+0x1d7/0x210 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308

read-write to 0xffff888123cbc708 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:5493 [inline]
 __netif_receive_skb+0x90/0x1b0 net/core/dev.c:5607
 process_backlog+0x21f/0x380 net/core/dev.c:5935
 __napi_poll+0x60/0x3b0 net/core/dev.c:6498
 napi_poll net/core/dev.c:6565 [inline]
 net_rx_action+0x32b/0x750 net/core/dev.c:6698
 __do_softirq+0xc1/0x265 kernel/softirq.c:571
 run_ksoftirqd+0x17/0x20 kernel/softirq.c:939
 smpboot_thread_fn+0x30a/0x4a0 kernel/smpboot.c:164
 kthread+0x1d7/0x210 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308

value changed: 0x000000000000a60f -> 0x000000000000a610

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 13 Comm: ksoftirqd/0 Not tainted 6.4.0-rc7-syzkaller-00234-g547cc9be86f4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
==================================================================
==================================================================
BUG: KCSAN: data-race in can_receive / can_receive

read-write to 0xffff888104ecc188 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:5493 [inline]
 __netif_receive_skb+0x90/0x1b0 net/core/dev.c:5607
 process_backlog+0x21f/0x380 net/core/dev.c:5935
 __napi_poll+0x60/0x3b0 net/core/dev.c:6498
 napi_poll net/core/dev.c:6565 [inline]
 net_rx_action+0x32b/0x750 net/core/dev.c:6698
 __do_softirq+0xc1/0x265 kernel/softirq.c:571
 run_ksoftirqd+0x17/0x20 kernel/softirq.c:939
 smpboot_thread_fn+0x30a/0x4a0 kernel/smpboot.c:164
 kthread+0x1d7/0x210 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308

read-write to 0xffff888104ecc188 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:5493 [inline]
 __netif_receive_skb+0x90/0x1b0 net/core/dev.c:5607
 process_backlog+0x21f/0x380 net/core/dev.c:5935
 __napi_poll+0x60/0x3b0 net/core/dev.c:6498
 napi_poll net/core/dev.c:6565 [inline]
 net_rx_action+0x32b/0x750 net/core/dev.c:6698
 __do_softirq+0xc1/0x265 kernel/softirq.c:571
 run_ksoftirqd+0x17/0x20 kernel/softirq.c:939
 smpboot_thread_fn+0x30a/0x4a0 kernel/smpboot.c:164
 kthread+0x1d7/0x210 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308

value changed: 0x0000000000014580 -> 0x0000000000014581

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 13 Comm: ksoftirqd/0 Not tainted 6.4.0-rc7-syzkaller-00234-g547cc9be86f4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
==================================================================
==================================================================
BUG: KCSAN: data-race in can_receive / can_receive

read-write to 0xffff888123cbc768 of 8 bytes by interrupt on cpu 1:
 can_receive+0x62/0x1f0 net/can/af_can.c:650
 canfd_rcv+0xe7/0x180 net/can/af_can.c:702
 __netif_receive_skb_one_core net/core/dev.c:5493 [inline]
 __netif_receive_skb+0x90/0x1b0 net/core/dev.c:5607
 process_backlog+0x21f/0x380 net/core/dev.c:5935
 __napi_poll+0x60/0x3b0 net/core/dev.c:6498
 napi_poll net/core/dev.c:6565 [inline]
 net_rx_action+0x32b/0x750 net/core/dev.c:6698
 __do_softirq+0xc1/0x265 kernel/softirq.c:571
 run_ksoftirqd+0x17/0x20 kernel/softirq.c:939
 smpboot_thread_fn+0x30a/0x4a0 kernel/smpboot.c:164
 kthread+0x1d7/0x210 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308

read-write to 0xffff888123cbc768 of 8 bytes by interrupt on cpu 0:
 can_receive+0x62/0x1f0 net/can/af_can.c:650
 canfd_rcv+0xe7/0x180 net/can/af_can.c:702
 __netif_receive_skb_one_core net/core/dev.c:5493 [inline]
 __netif_receive_skb+0x90/0x1b0 net/core/dev.c:5607
 process_backlog+0x21f/0x380 net/core/dev.c:5935
 __napi_poll+0x60/0x3b0 net/core/dev.c:6498
 napi_poll net/core/dev.c:6565 [inline]
 net_rx_action+0x32b/0x750 net/core/dev.c:6698
 __do_softirq+0xc1/0x265 kernel/softirq.c:571
 invoke_softirq kernel/softirq.c:445 [inline]
 __irq_exit_rcu+0x57/0xa0 kernel/softirq.c:650
 sysvec_apic_timer_interrupt+0x6d/0x80 arch/x86/kernel/apic/apic.c:1106
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
 kthread_should_stop+0x5/0x80 kernel/kthread.c:157
 smpboot_thread_fn+0x348/0x4a0 kernel/smpboot.c:114
 kthread+0x1d7/0x210 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308

value changed: 0x0000000000006846 -> 0x0000000000006847

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 13 Comm: ksoftirqd/0 Not tainted 6.4.0-rc7-syzkaller-00234-g547cc9be86f4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
==================================================================
==================================================================
BUG: KCSAN: data-race in can_receive / can_receive

read-write to 0xffff88811cff6208 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:5493 [inline]
 __netif_receive_skb+0x90/0x1b0 net/core/dev.c:5607
 process_backlog+0x21f/0x380 net/core/dev.c:5935
 __napi_poll+0x60/0x3b0 net/core/dev.c:6498
 napi_poll net/core/dev.c:6565 [inline]
 net_rx_action+0x32b/0x750 net/core/dev.c:6698
 __do_softirq+0xc1/0x265 kernel/softirq.c:571
 run_ksoftirqd+0x17/0x20 kernel/softirq.c:939
 smpboot_thread_fn+0x30a/0x4a0 kernel/smpboot.c:164
 kthread+0x1d7/0x210 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308

read-write to 0xffff88811cff6208 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:5493 [inline]
 __netif_receive_skb+0x90/0x1b0 net/core/dev.c:5607
 process_backlog+0x21f/0x380 net/core/dev.c:5935
 __napi_poll+0x60/0x3b0 net/core/dev.c:6498
 napi_poll net/core/dev.c:6565 [inline]
 net_rx_action+0x32b/0x750 net/core/dev.c:6698
 __do_softirq+0xc1/0x265 kernel/softirq.c:571
 run_ksoftirqd+0x17/0x20 kernel/softirq.c:939
 smpboot_thread_fn+0x30a/0x4a0 kernel/smpboot.c:164
 kthread+0x1d7/0x210 kernel/kthread.c:379
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308

value changed: 0x00000000000215f0 -> 0x00000000000215f2

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 13 Comm: ksoftirqd/0 Not tainted 6.4.0-rc7-syzkaller-00234-g547cc9be86f4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
==================================================================