================================================================== BUG: KCSAN: data-race in can_send / can_send read-write to 0xffff888117802470 of 8 bytes by interrupt on cpu 1: can_send+0x5b6/0x6d0 net/can/af_can.c:291 can_can_gw_rcv+0x77d/0x7e0 net/can/gw.c:561 deliver net/can/af_can.c:573 [inline] can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:600 can_receive+0x182/0x1f0 net/can/af_can.c:664 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5674 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5787 process_backlog+0x22e/0x440 net/core/dev.c:6119 __napi_poll+0x63/0x3c0 net/core/dev.c:6885 napi_poll net/core/dev.c:6954 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7076 handle_softirqs+0xbf/0x280 kernel/softirq.c:561 run_ksoftirqd+0x1c/0x30 kernel/softirq.c:950 smpboot_thread_fn+0x31c/0x4c0 kernel/smpboot.c:164 kthread+0x1d1/0x210 kernel/kthread.c:389 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 read-write to 0xffff888117802470 of 8 bytes by interrupt on cpu 0: can_send+0x5b6/0x6d0 net/can/af_can.c:291 can_can_gw_rcv+0x77d/0x7e0 net/can/gw.c:561 deliver net/can/af_can.c:573 [inline] can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:600 can_receive+0x182/0x1f0 net/can/af_can.c:664 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5674 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5787 process_backlog+0x22e/0x440 net/core/dev.c:6119 __napi_poll+0x63/0x3c0 net/core/dev.c:6885 napi_poll net/core/dev.c:6954 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7076 handle_softirqs+0xbf/0x280 kernel/softirq.c:561 run_ksoftirqd+0x1c/0x30 kernel/softirq.c:950 smpboot_thread_fn+0x31c/0x4c0 kernel/smpboot.c:164 kthread+0x1d1/0x210 kernel/kthread.c:389 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 value changed: 0x0000000000005d30 -> 0x0000000000005d31 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted 6.13.0-rc5-syzkaller-00161-g63676eefb7a0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 ================================================================== ================================================================== BUG: KCSAN: data-race in can_send / can_send read-write to 0xffff888117802410 of 8 bytes by interrupt on cpu 1: can_send+0x5a2/0x6d0 net/can/af_can.c:290 can_can_gw_rcv+0x77d/0x7e0 net/can/gw.c:561 deliver net/can/af_can.c:573 [inline] can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:600 can_receive+0x182/0x1f0 net/can/af_can.c:664 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5674 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5787 process_backlog+0x22e/0x440 net/core/dev.c:6119 __napi_poll+0x63/0x3c0 net/core/dev.c:6885 napi_poll net/core/dev.c:6954 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7076 handle_softirqs+0xbf/0x280 kernel/softirq.c:561 run_ksoftirqd+0x1c/0x30 kernel/softirq.c:950 smpboot_thread_fn+0x31c/0x4c0 kernel/smpboot.c:164 kthread+0x1d1/0x210 kernel/kthread.c:389 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 read-write to 0xffff888117802410 of 8 bytes by interrupt on cpu 0: can_send+0x5a2/0x6d0 net/can/af_can.c:290 can_can_gw_rcv+0x77d/0x7e0 net/can/gw.c:561 deliver net/can/af_can.c:573 [inline] can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:600 can_receive+0x182/0x1f0 net/can/af_can.c:664 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5674 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5787 process_backlog+0x22e/0x440 net/core/dev.c:6119 __napi_poll+0x63/0x3c0 net/core/dev.c:6885 napi_poll net/core/dev.c:6954 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7076 handle_softirqs+0xbf/0x280 kernel/softirq.c:561 do_softirq+0x5e/0x90 kernel/softirq.c:462 __local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:389 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline] _raw_spin_unlock_bh+0x36/0x40 kernel/locking/spinlock.c:210 spin_unlock_bh include/linux/spinlock.h:396 [inline] batadv_nc_purge_paths+0x220/0x270 net/batman-adv/network-coding.c:471 batadv_nc_worker+0x3db/0xad0 net/batman-adv/network-coding.c:720 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0x483/0x9a0 kernel/workqueue.c:3310 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3391 kthread+0x1d1/0x210 kernel/kthread.c:389 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 value changed: 0x00000000005b29dc -> 0x00000000005b29de Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 6307 Comm: kworker/u8:17 Not tainted 6.13.0-rc5-syzkaller-00161-g63676eefb7a0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: bat_events batadv_nc_worker ================================================================== ================================================================== BUG: KCSAN: data-race in can_can_gw_rcv / can_can_gw_rcv read-write to 0xffff88811cdec020 of 4 bytes by interrupt on cpu 1: can_can_gw_rcv+0x7cb/0x7e0 net/can/gw.c:564 deliver net/can/af_can.c:573 [inline] can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:600 can_receive+0x182/0x1f0 net/can/af_can.c:664 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5674 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5787 process_backlog+0x22e/0x440 net/core/dev.c:6119 __napi_poll+0x63/0x3c0 net/core/dev.c:6885 napi_poll net/core/dev.c:6954 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7076 handle_softirqs+0xbf/0x280 kernel/softirq.c:561 run_ksoftirqd+0x1c/0x30 kernel/softirq.c:950 smpboot_thread_fn+0x31c/0x4c0 kernel/smpboot.c:164 kthread+0x1d1/0x210 kernel/kthread.c:389 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 read-write to 0xffff88811cdec020 of 4 bytes by interrupt on cpu 0: can_can_gw_rcv+0x7cb/0x7e0 net/can/gw.c:564 deliver net/can/af_can.c:573 [inline] can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:600 can_receive+0x182/0x1f0 net/can/af_can.c:664 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5674 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5787 process_backlog+0x22e/0x440 net/core/dev.c:6119 __napi_poll+0x63/0x3c0 net/core/dev.c:6885 napi_poll net/core/dev.c:6954 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7076 handle_softirqs+0xbf/0x280 kernel/softirq.c:561 do_softirq+0x5e/0x90 kernel/softirq.c:462 __local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:389 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline] _raw_spin_unlock_bh+0x36/0x40 kernel/locking/spinlock.c:210 spin_unlock_bh include/linux/spinlock.h:396 [inline] batadv_nc_purge_paths+0x220/0x270 net/batman-adv/network-coding.c:471 batadv_nc_worker+0x3db/0xad0 net/batman-adv/network-coding.c:720 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0x483/0x9a0 kernel/workqueue.c:3310 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3391 kthread+0x1d1/0x210 kernel/kthread.c:389 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 value changed: 0x005b88ba -> 0x005b88bb Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 6307 Comm: kworker/u8:17 Not tainted 6.13.0-rc5-syzkaller-00161-g63676eefb7a0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: bat_events batadv_nc_worker ================================================================== ================================================================== BUG: KCSAN: data-race in can_send / can_send read-write to 0xffff888117802470 of 8 bytes by interrupt on cpu 1: can_send+0x5b6/0x6d0 net/can/af_can.c:291 can_can_gw_rcv+0x77d/0x7e0 net/can/gw.c:561 deliver net/can/af_can.c:573 [inline] can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:600 can_receive+0x182/0x1f0 net/can/af_can.c:664 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5674 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5787 process_backlog+0x22e/0x440 net/core/dev.c:6119 __napi_poll+0x63/0x3c0 net/core/dev.c:6885 napi_poll net/core/dev.c:6954 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7076 handle_softirqs+0xbf/0x280 kernel/softirq.c:561 run_ksoftirqd+0x1c/0x30 kernel/softirq.c:950 smpboot_thread_fn+0x31c/0x4c0 kernel/smpboot.c:164 kthread+0x1d1/0x210 kernel/kthread.c:389 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 read-write to 0xffff888117802470 of 8 bytes by interrupt on cpu 0: can_send+0x5b6/0x6d0 net/can/af_can.c:291 can_can_gw_rcv+0x77d/0x7e0 net/can/gw.c:561 deliver net/can/af_can.c:573 [inline] can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:600 can_receive+0x182/0x1f0 net/can/af_can.c:664 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5674 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5787 process_backlog+0x22e/0x440 net/core/dev.c:6119 __napi_poll+0x63/0x3c0 net/core/dev.c:6885 napi_poll net/core/dev.c:6954 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7076 handle_softirqs+0xbf/0x280 kernel/softirq.c:561 do_softirq+0x5e/0x90 kernel/softirq.c:462 __local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:389 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline] _raw_spin_unlock_bh+0x36/0x40 kernel/locking/spinlock.c:210 spin_unlock_bh include/linux/spinlock.h:396 [inline] nsim_dev_trap_report drivers/net/netdevsim/dev.c:820 [inline] nsim_dev_trap_report_work+0x522/0x620 drivers/net/netdevsim/dev.c:851 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0x483/0x9a0 kernel/workqueue.c:3310 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3391 kthread+0x1d1/0x210 kernel/kthread.c:389 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 value changed: 0x000000000000b670 -> 0x000000000000b671 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 6312 Comm: kworker/u8:21 Not tainted 6.13.0-rc5-syzkaller-00161-g63676eefb7a0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: events_unbound nsim_dev_trap_report_work ================================================================== ================================================================== BUG: KCSAN: data-race in can_can_gw_rcv / can_can_gw_rcv read-write to 0xffff88811cdec020 of 4 bytes by interrupt on cpu 1: can_can_gw_rcv+0x7cb/0x7e0 net/can/gw.c:564 deliver net/can/af_can.c:573 [inline] can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:600 can_receive+0x182/0x1f0 net/can/af_can.c:664 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5674 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5787 process_backlog+0x22e/0x440 net/core/dev.c:6119 __napi_poll+0x63/0x3c0 net/core/dev.c:6885 napi_poll net/core/dev.c:6954 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7076 handle_softirqs+0xbf/0x280 kernel/softirq.c:561 run_ksoftirqd+0x1c/0x30 kernel/softirq.c:950 smpboot_thread_fn+0x31c/0x4c0 kernel/smpboot.c:164 kthread+0x1d1/0x210 kernel/kthread.c:389 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 read-write to 0xffff88811cdec020 of 4 bytes by interrupt on cpu 0: can_can_gw_rcv+0x7cb/0x7e0 net/can/gw.c:564 deliver net/can/af_can.c:573 [inline] can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:600 can_receive+0x182/0x1f0 net/can/af_can.c:664 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5674 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5787 process_backlog+0x22e/0x440 net/core/dev.c:6119 __napi_poll+0x63/0x3c0 net/core/dev.c:6885 napi_poll net/core/dev.c:6954 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7076 handle_softirqs+0xbf/0x280 kernel/softirq.c:561 do_softirq+0x5e/0x90 kernel/softirq.c:462 __local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:389 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline] _raw_spin_unlock_bh+0x36/0x40 kernel/locking/spinlock.c:210 spin_unlock_bh include/linux/spinlock.h:396 [inline] nsim_dev_trap_report drivers/net/netdevsim/dev.c:820 [inline] nsim_dev_trap_report_work+0x522/0x620 drivers/net/netdevsim/dev.c:851 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0x483/0x9a0 kernel/workqueue.c:3310 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3391 kthread+0x1d1/0x210 kernel/kthread.c:389 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 value changed: 0x0060e821 -> 0x0060e822 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 6357 Comm: kworker/u8:66 Not tainted 6.13.0-rc5-syzkaller-00161-g63676eefb7a0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: events_unbound nsim_dev_trap_report_work ================================================================== ================================================================== BUG: KCSAN: data-race in can_rcv_filter / can_rcv_filter read-write to 0xffff888101dc82e8 of 8 bytes by interrupt on cpu 1: deliver net/can/af_can.c:574 [inline] can_rcv_filter+0xd1/0x4c0 net/can/af_can.c:600 can_receive+0x182/0x1f0 net/can/af_can.c:664 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5674 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5787 process_backlog+0x22e/0x440 net/core/dev.c:6119 __napi_poll+0x63/0x3c0 net/core/dev.c:6885 napi_poll net/core/dev.c:6954 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7076 handle_softirqs+0xbf/0x280 kernel/softirq.c:561 run_ksoftirqd+0x1c/0x30 kernel/softirq.c:950 smpboot_thread_fn+0x31c/0x4c0 kernel/smpboot.c:164 kthread+0x1d1/0x210 kernel/kthread.c:389 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 read-write to 0xffff888101dc82e8 of 8 bytes by interrupt on cpu 0: deliver net/can/af_can.c:574 [inline] can_rcv_filter+0xd1/0x4c0 net/can/af_can.c:600 can_receive+0x182/0x1f0 net/can/af_can.c:664 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5674 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5787 process_backlog+0x22e/0x440 net/core/dev.c:6119 __napi_poll+0x63/0x3c0 net/core/dev.c:6885 napi_poll net/core/dev.c:6954 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7076 handle_softirqs+0xbf/0x280 kernel/softirq.c:561 run_ksoftirqd+0x1c/0x30 kernel/softirq.c:950 smpboot_thread_fn+0x31c/0x4c0 kernel/smpboot.c:164 kthread+0x1d1/0x210 kernel/kthread.c:389 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 value changed: 0x0000000000614555 -> 0x0000000000614556 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted 6.13.0-rc5-syzkaller-00161-g63676eefb7a0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 ================================================================== ================================================================== BUG: KCSAN: data-race in can_send / can_send read-write to 0xffff888117802410 of 8 bytes by interrupt on cpu 1: can_send+0x5a2/0x6d0 net/can/af_can.c:290 can_can_gw_rcv+0x77d/0x7e0 net/can/gw.c:561 deliver net/can/af_can.c:573 [inline] can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:600 can_receive+0x182/0x1f0 net/can/af_can.c:664 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5674 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5787 process_backlog+0x22e/0x440 net/core/dev.c:6119 __napi_poll+0x63/0x3c0 net/core/dev.c:6885 napi_poll net/core/dev.c:6954 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7076 handle_softirqs+0xbf/0x280 kernel/softirq.c:561 run_ksoftirqd+0x1c/0x30 kernel/softirq.c:950 smpboot_thread_fn+0x31c/0x4c0 kernel/smpboot.c:164 kthread+0x1d1/0x210 kernel/kthread.c:389 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 read-write to 0xffff888117802410 of 8 bytes by interrupt on cpu 0: can_send+0x5a2/0x6d0 net/can/af_can.c:290 can_can_gw_rcv+0x77d/0x7e0 net/can/gw.c:561 deliver net/can/af_can.c:573 [inline] can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:600 can_receive+0x182/0x1f0 net/can/af_can.c:664 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5674 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5787 process_backlog+0x22e/0x440 net/core/dev.c:6119 __napi_poll+0x63/0x3c0 net/core/dev.c:6885 napi_poll net/core/dev.c:6954 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7076 handle_softirqs+0xbf/0x280 kernel/softirq.c:561 run_ksoftirqd+0x1c/0x30 kernel/softirq.c:950 smpboot_thread_fn+0x31c/0x4c0 kernel/smpboot.c:164 kthread+0x1d1/0x210 kernel/kthread.c:389 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 value changed: 0x0000000000662d77 -> 0x0000000000662d78 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted 6.13.0-rc5-syzkaller-00161-g63676eefb7a0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 ================================================================== ================================================================== BUG: KCSAN: data-race in can_can_gw_rcv / can_can_gw_rcv read-write to 0xffff88811cdec020 of 4 bytes by interrupt on cpu 1: can_can_gw_rcv+0x7cb/0x7e0 net/can/gw.c:564 deliver net/can/af_can.c:573 [inline] can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:600 can_receive+0x182/0x1f0 net/can/af_can.c:664 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5674 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5787 process_backlog+0x22e/0x440 net/core/dev.c:6119 __napi_poll+0x63/0x3c0 net/core/dev.c:6885 napi_poll net/core/dev.c:6954 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7076 handle_softirqs+0xbf/0x280 kernel/softirq.c:561 run_ksoftirqd+0x1c/0x30 kernel/softirq.c:950 smpboot_thread_fn+0x31c/0x4c0 kernel/smpboot.c:164 kthread+0x1d1/0x210 kernel/kthread.c:389 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 read-write to 0xffff88811cdec020 of 4 bytes by interrupt on cpu 0: can_can_gw_rcv+0x7cb/0x7e0 net/can/gw.c:564 deliver net/can/af_can.c:573 [inline] can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:600 can_receive+0x182/0x1f0 net/can/af_can.c:664 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5674 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5787 process_backlog+0x22e/0x440 net/core/dev.c:6119 __napi_poll+0x63/0x3c0 net/core/dev.c:6885 napi_poll net/core/dev.c:6954 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7076 handle_softirqs+0xbf/0x280 kernel/softirq.c:561 do_softirq+0x5e/0x90 kernel/softirq.c:462 __local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:389 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline] _raw_spin_unlock_bh+0x36/0x40 kernel/locking/spinlock.c:210 spin_unlock_bh include/linux/spinlock.h:396 [inline] ptr_ring_consume_bh include/linux/ptr_ring.h:367 [inline] wg_packet_encrypt_worker+0x188/0xbb0 drivers/net/wireguard/send.c:293 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0x483/0x9a0 kernel/workqueue.c:3310 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3391 kthread+0x1d1/0x210 kernel/kthread.c:389 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 value changed: 0x00669757 -> 0x00669759 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 9 Comm: kworker/0:1 Not tainted 6.13.0-rc5-syzkaller-00161-g63676eefb7a0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: wg-crypt-wg0 wg_packet_encrypt_worker ================================================================== ================================================================== BUG: KCSAN: data-race in can_rcv_filter / can_rcv_filter read-write to 0xffff888101dc82e8 of 8 bytes by interrupt on cpu 1: deliver net/can/af_can.c:574 [inline] can_rcv_filter+0xd1/0x4c0 net/can/af_can.c:600 can_receive+0x182/0x1f0 net/can/af_can.c:664 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5674 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5787 process_backlog+0x22e/0x440 net/core/dev.c:6119 __napi_poll+0x63/0x3c0 net/core/dev.c:6885 napi_poll net/core/dev.c:6954 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7076 handle_softirqs+0xbf/0x280 kernel/softirq.c:561 run_ksoftirqd+0x1c/0x30 kernel/softirq.c:950 smpboot_thread_fn+0x31c/0x4c0 kernel/smpboot.c:164 kthread+0x1d1/0x210 kernel/kthread.c:389 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 read-write to 0xffff888101dc82e8 of 8 bytes by interrupt on cpu 0: deliver net/can/af_can.c:574 [inline] can_rcv_filter+0xd1/0x4c0 net/can/af_can.c:600 can_receive+0x182/0x1f0 net/can/af_can.c:664 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5674 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5787 process_backlog+0x22e/0x440 net/core/dev.c:6119 __napi_poll+0x63/0x3c0 net/core/dev.c:6885 napi_poll net/core/dev.c:6954 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7076 handle_softirqs+0xbf/0x280 kernel/softirq.c:561 do_softirq+0x5e/0x90 kernel/softirq.c:462 __local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:389 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline] _raw_spin_unlock_bh+0x36/0x40 kernel/locking/spinlock.c:210 spin_unlock_bh include/linux/spinlock.h:396 [inline] batadv_nc_purge_paths+0x220/0x270 net/batman-adv/network-coding.c:471 batadv_nc_worker+0x3db/0xad0 net/batman-adv/network-coding.c:720 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0x483/0x9a0 kernel/workqueue.c:3310 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3391 kthread+0x1d1/0x210 kernel/kthread.c:389 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 value changed: 0x000000000066fd37 -> 0x000000000066fd38 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 58 Comm: kworker/u8:4 Not tainted 6.13.0-rc5-syzkaller-00161-g63676eefb7a0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: bat_events batadv_nc_worker ================================================================== ================================================================== BUG: KCSAN: data-race in can_rcv_filter / can_rcv_filter read-write to 0xffff88810121c3d8 of 8 bytes by interrupt on cpu 1: deliver net/can/af_can.c:574 [inline] can_rcv_filter+0x3a9/0x4c0 net/can/af_can.c:634 can_receive+0x182/0x1f0 net/can/af_can.c:664 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5674 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5787 process_backlog+0x22e/0x440 net/core/dev.c:6119 __napi_poll+0x63/0x3c0 net/core/dev.c:6885 napi_poll net/core/dev.c:6954 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7076 handle_softirqs+0xbf/0x280 kernel/softirq.c:561 do_softirq+0x5e/0x90 kernel/softirq.c:462 __local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:389 local_bh_enable include/linux/bottom_half.h:33 [inline] update_defense_level+0x575/0x5b0 net/netfilter/ipvs/ip_vs_ctl.c:210 defense_work_handler+0x1f/0x80 net/netfilter/ipvs/ip_vs_ctl.c:235 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0x483/0x9a0 kernel/workqueue.c:3310 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3391 kthread+0x1d1/0x210 kernel/kthread.c:389 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 read-write to 0xffff88810121c3d8 of 8 bytes by interrupt on cpu 0: deliver net/can/af_can.c:574 [inline] can_rcv_filter+0x3a9/0x4c0 net/can/af_can.c:634 can_receive+0x182/0x1f0 net/can/af_can.c:664 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5674 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5787 process_backlog+0x22e/0x440 net/core/dev.c:6119 __napi_poll+0x63/0x3c0 net/core/dev.c:6885 napi_poll net/core/dev.c:6954 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7076 handle_softirqs+0xbf/0x280 kernel/softirq.c:561 do_softirq+0x5e/0x90 kernel/softirq.c:462 __local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:389 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline] _raw_spin_unlock_bh+0x36/0x40 kernel/locking/spinlock.c:210 spin_unlock_bh include/linux/spinlock.h:396 [inline] batadv_nc_purge_paths+0x220/0x270 net/batman-adv/network-coding.c:471 batadv_nc_worker+0x3db/0xad0 net/batman-adv/network-coding.c:720 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0x483/0x9a0 kernel/workqueue.c:3310 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3391 kthread+0x1d1/0x210 kernel/kthread.c:389 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 value changed: 0x00000000000c922c -> 0x00000000000c922e Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 58 Comm: kworker/u8:4 Not tainted 6.13.0-rc5-syzkaller-00161-g63676eefb7a0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: bat_events batadv_nc_worker ================================================================== ================================================================== BUG: KCSAN: data-race in can_can_gw_rcv / can_can_gw_rcv read-write to 0xffff88811cdec020 of 4 bytes by interrupt on cpu 1: can_can_gw_rcv+0x7cb/0x7e0 net/can/gw.c:564 deliver net/can/af_can.c:573 [inline] can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:600 can_receive+0x182/0x1f0 net/can/af_can.c:664 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5674 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5787 process_backlog+0x22e/0x440 net/core/dev.c:6119 __napi_poll+0x63/0x3c0 net/core/dev.c:6885 napi_poll net/core/dev.c:6954 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7076 handle_softirqs+0xbf/0x280 kernel/softirq.c:561 do_softirq+0x5e/0x90 kernel/softirq.c:462 __local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:389 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline] _raw_spin_unlock_bh+0x36/0x40 kernel/locking/spinlock.c:210 spin_unlock_bh include/linux/spinlock.h:396 [inline] ptr_ring_consume_bh include/linux/ptr_ring.h:367 [inline] wg_packet_encrypt_worker+0x188/0xbb0 drivers/net/wireguard/send.c:293 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0x483/0x9a0 kernel/workqueue.c:3310 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3391 kthread+0x1d1/0x210 kernel/kthread.c:389 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 read-write to 0xffff88811cdec020 of 4 bytes by interrupt on cpu 0: can_can_gw_rcv+0x7cb/0x7e0 net/can/gw.c:564 deliver net/can/af_can.c:573 [inline] can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:600 can_receive+0x182/0x1f0 net/can/af_can.c:664 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5674 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5787 process_backlog+0x22e/0x440 net/core/dev.c:6119 __napi_poll+0x63/0x3c0 net/core/dev.c:6885 napi_poll net/core/dev.c:6954 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7076 handle_softirqs+0xbf/0x280 kernel/softirq.c:561 do_softirq+0x5e/0x90 kernel/softirq.c:462 __local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:389 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline] _raw_spin_unlock_bh+0x36/0x40 kernel/locking/spinlock.c:210 spin_unlock_bh include/linux/spinlock.h:396 [inline] nsim_dev_trap_report drivers/net/netdevsim/dev.c:820 [inline] nsim_dev_trap_report_work+0x522/0x620 drivers/net/netdevsim/dev.c:851 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0x483/0x9a0 kernel/workqueue.c:3310 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3391 kthread+0x1d1/0x210 kernel/kthread.c:389 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 value changed: 0x006c28de -> 0x006c28df Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 6310 Comm: kworker/u8:20 Not tainted 6.13.0-rc5-syzkaller-00161-g63676eefb7a0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: events_unbound nsim_dev_trap_report_work ==================================================================