================================================================== BUG: KCSAN: data-race in can_receive / can_receive read-write to 0xffff888119256088 of 8 bytes by interrupt on cpu 0: can_receive+0x4e/0x1f0 net/can/af_can.c:650 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5704 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5817 process_backlog+0x22e/0x440 net/core/dev.c:6149 __napi_poll+0x63/0x3c0 net/core/dev.c:6902 napi_poll net/core/dev.c:6971 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7093 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] netif_rx+0x83/0x240 net/core/dev.c:5289 can_send+0x586/0x6d0 net/can/af_can.c:287 isotp_sendmsg+0x9ab/0xc00 net/can/isotp.c:1087 sock_sendmsg_nosec net/socket.c:711 [inline] __sock_sendmsg+0x140/0x180 net/socket.c:726 ____sys_sendmsg+0x312/0x410 net/socket.c:2583 ___sys_sendmsg net/socket.c:2637 [inline] __sys_sendmsg+0x19d/0x230 net/socket.c:2669 __do_sys_sendmsg net/socket.c:2674 [inline] __se_sys_sendmsg net/socket.c:2672 [inline] __x64_sys_sendmsg+0x46/0x50 net/socket.c:2672 x64_sys_call+0x2734/0x2dc0 arch/x86/include/generated/asm/syscalls_64.h:47 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f read-write to 0xffff888119256088 of 8 bytes by interrupt on cpu 1: can_receive+0x4e/0x1f0 net/can/af_can.c:650 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5704 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5817 process_backlog+0x22e/0x440 net/core/dev.c:6149 __napi_poll+0x63/0x3c0 net/core/dev.c:6902 napi_poll net/core/dev.c:6971 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7093 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: 0x000000000001566d -> 0x000000000001566e Reported by Kernel Concurrency Sanitizer on: CPU: 1 UID: 0 PID: 23 Comm: ksoftirqd/1 Not tainted 6.13.0-rc6-syzkaller-00231-g77a903cd8e5a #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 0xffff888119256090 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+0x225/0x4c0 net/can/af_can.c:607 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:5704 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5817 process_backlog+0x22e/0x440 net/core/dev.c:6149 __napi_poll+0x63/0x3c0 net/core/dev.c:6902 napi_poll net/core/dev.c:6971 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7093 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:3236 [inline] process_scheduled_works+0x483/0x9a0 kernel/workqueue.c:3317 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3398 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 0xffff888119256090 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+0x225/0x4c0 net/can/af_can.c:607 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:5704 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5817 process_backlog+0x22e/0x440 net/core/dev.c:6149 __napi_poll+0x63/0x3c0 net/core/dev.c:6902 napi_poll net/core/dev.c:6971 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7093 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: 0x000000000001a18d -> 0x000000000001a18e Reported by Kernel Concurrency Sanitizer on: CPU: 1 UID: 0 PID: 23 Comm: ksoftirqd/1 Not tainted 6.13.0-rc6-syzkaller-00231-g77a903cd8e5a #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 0xffff8881281cc020 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+0x225/0x4c0 net/can/af_can.c:607 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:5704 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5817 process_backlog+0x22e/0x440 net/core/dev.c:6149 __napi_poll+0x63/0x3c0 net/core/dev.c:6902 napi_poll net/core/dev.c:6971 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7093 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 0xffff8881281cc020 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+0x225/0x4c0 net/can/af_can.c:607 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:5704 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5817 process_backlog+0x22e/0x440 net/core/dev.c:6149 __napi_poll+0x63/0x3c0 net/core/dev.c:6902 napi_poll net/core/dev.c:6971 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7093 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_read_unlock_bh include/linux/rwlock_api_smp.h:257 [inline] _raw_read_unlock_bh+0x1b/0x20 kernel/locking/spinlock.c:284 wg_socket_send_skb_to_peer+0x109/0x130 drivers/net/wireguard/socket.c:184 wg_packet_create_data_done drivers/net/wireguard/send.c:251 [inline] wg_packet_tx_worker+0x127/0x360 drivers/net/wireguard/send.c:276 process_one_work kernel/workqueue.c:3236 [inline] process_scheduled_works+0x483/0x9a0 kernel/workqueue.c:3317 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3398 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: 0x00029b41 -> 0x00029b42 Reported by Kernel Concurrency Sanitizer on: CPU: 1 UID: 0 PID: 24 Comm: kworker/1:0 Not tainted 6.13.0-rc6-syzkaller-00231-g77a903cd8e5a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: wg-crypt-wg0 wg_packet_tx_worker ================================================================== ================================================================== BUG: KCSAN: data-race in can_receive / can_receive read-write to 0xffff8881192560f8 of 8 bytes by interrupt on cpu 0: can_receive+0x1ca/0x1f0 net/can/af_can.c:673 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5704 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5817 process_backlog+0x22e/0x440 net/core/dev.c:6149 __napi_poll+0x63/0x3c0 net/core/dev.c:6902 napi_poll net/core/dev.c:6971 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7093 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:3236 [inline] process_scheduled_works+0x483/0x9a0 kernel/workqueue.c:3317 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3398 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 0xffff8881192560f8 of 8 bytes by interrupt on cpu 1: can_receive+0x1ca/0x1f0 net/can/af_can.c:673 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5704 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5817 process_backlog+0x22e/0x440 net/core/dev.c:6149 __napi_poll+0x63/0x3c0 net/core/dev.c:6902 napi_poll net/core/dev.c:6971 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7093 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+0xb6b/0xbb0 drivers/net/wireguard/send.c:293 process_one_work kernel/workqueue.c:3236 [inline] process_scheduled_works+0x483/0x9a0 kernel/workqueue.c:3317 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3398 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: 0x000000000000d00b -> 0x000000000000d00d Reported by Kernel Concurrency Sanitizer on: CPU: 1 UID: 0 PID: 3375 Comm: kworker/1:5 Not tainted 6.13.0-rc6-syzkaller-00231-g77a903cd8e5a #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_send / can_send read-write to 0xffff888119256090 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+0x225/0x4c0 net/can/af_can.c:607 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:5704 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5817 process_backlog+0x22e/0x440 net/core/dev.c:6149 __napi_poll+0x63/0x3c0 net/core/dev.c:6902 napi_poll net/core/dev.c:6971 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7093 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 0xffff888119256090 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+0x225/0x4c0 net/can/af_can.c:607 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:5704 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5817 process_backlog+0x22e/0x440 net/core/dev.c:6149 __napi_poll+0x63/0x3c0 net/core/dev.c:6902 napi_poll net/core/dev.c:6971 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7093 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] inet_csk_get_port+0xe42/0x1070 net/ipv4/inet_connection_sock.c:607 __inet_bind+0x469/0x5c0 net/ipv4/af_inet.c:536 inet_bind_sk net/ipv4/af_inet.c:462 [inline] inet_bind+0x96/0xb0 net/ipv4/af_inet.c:467 kernel_bind+0x91/0xc0 net/socket.c:3545 rds_tcp_conn_path_connect+0x2f7/0x440 net/rds/tcp_connect.c:148 rds_connect_worker+0x12c/0x1b0 net/rds/threads.c:176 process_one_work kernel/workqueue.c:3236 [inline] process_scheduled_works+0x483/0x9a0 kernel/workqueue.c:3317 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3398 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: 0x000000000005e21b -> 0x000000000005e21c Reported by Kernel Concurrency Sanitizer on: CPU: 1 UID: 0 PID: 13584 Comm: kworker/u8:49 Not tainted 6.13.0-rc6-syzkaller-00231-g77a903cd8e5a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: krdsd rds_connect_worker ================================================================== ================================================================== BUG: KCSAN: data-race in can_rcv_filter / can_rcv_filter read-write to 0xffff888101dc4338 of 8 bytes by interrupt on cpu 0: deliver net/can/af_can.c:574 [inline] can_rcv_filter+0x237/0x4c0 net/can/af_can.c:607 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:5704 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5817 process_backlog+0x22e/0x440 net/core/dev.c:6149 __napi_poll+0x63/0x3c0 net/core/dev.c:6902 napi_poll net/core/dev.c:6971 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7093 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 0xffff888101dc4338 of 8 bytes by interrupt on cpu 1: deliver net/can/af_can.c:574 [inline] can_rcv_filter+0x237/0x4c0 net/can/af_can.c:607 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:5704 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5817 process_backlog+0x22e/0x440 net/core/dev.c:6149 __napi_poll+0x63/0x3c0 net/core/dev.c:6902 napi_poll net/core/dev.c:6971 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7093 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:3236 [inline] process_scheduled_works+0x483/0x9a0 kernel/workqueue.c:3317 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3398 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: 0x000000000006cf08 -> 0x000000000006cf0b Reported by Kernel Concurrency Sanitizer on: CPU: 1 UID: 0 PID: 11554 Comm: kworker/u8:36 Not tainted 6.13.0-rc6-syzkaller-00231-g77a903cd8e5a #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_receive / can_receive read-write to 0xffff8881192560f8 of 8 bytes by interrupt on cpu 0: can_receive+0x1ca/0x1f0 net/can/af_can.c:673 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5704 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5817 process_backlog+0x22e/0x440 net/core/dev.c:6149 __napi_poll+0x63/0x3c0 net/core/dev.c:6902 napi_poll net/core/dev.c:6971 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7093 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 0xffff8881192560f8 of 8 bytes by interrupt on cpu 1: can_receive+0x1ca/0x1f0 net/can/af_can.c:673 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5704 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5817 process_backlog+0x22e/0x440 net/core/dev.c:6149 __napi_poll+0x63/0x3c0 net/core/dev.c:6902 napi_poll net/core/dev.c:6971 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7093 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:3236 [inline] process_scheduled_works+0x483/0x9a0 kernel/workqueue.c:3317 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3398 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: 0x000000000001133a -> 0x000000000001133c Reported by Kernel Concurrency Sanitizer on: CPU: 1 UID: 0 PID: 11559 Comm: kworker/u8:39 Not tainted 6.13.0-rc6-syzkaller-00231-g77a903cd8e5a #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_receive / can_receive read-write to 0xffff888119256098 of 8 bytes by interrupt on cpu 0: can_receive+0x1b6/0x1f0 net/can/af_can.c:672 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5704 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5817 process_backlog+0x22e/0x440 net/core/dev.c:6149 __napi_poll+0x63/0x3c0 net/core/dev.c:6902 napi_poll net/core/dev.c:6971 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7093 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_write_unlock_bh include/linux/rwlock_api_smp.h:281 [inline] _raw_write_unlock_bh+0x1f/0x30 kernel/locking/spinlock.c:366 neigh_periodic_work+0x605/0x6b0 net/core/neighbour.c:968 process_one_work kernel/workqueue.c:3236 [inline] process_scheduled_works+0x483/0x9a0 kernel/workqueue.c:3317 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3398 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 0xffff888119256098 of 8 bytes by interrupt on cpu 1: can_receive+0x1b6/0x1f0 net/can/af_can.c:672 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5704 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5817 process_backlog+0x22e/0x440 net/core/dev.c:6149 __napi_poll+0x63/0x3c0 net/core/dev.c:6902 napi_poll net/core/dev.c:6971 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7093 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: 0x0000000000081e76 -> 0x0000000000081e78 Reported by Kernel Concurrency Sanitizer on: CPU: 1 UID: 0 PID: 23 Comm: ksoftirqd/1 Not tainted 6.13.0-rc6-syzkaller-00231-g77a903cd8e5a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 ================================================================== ================================================================== BUG: KCSAN: data-race in can_receive / can_receive read-write to 0xffff888119256088 of 8 bytes by interrupt on cpu 0: can_receive+0x4e/0x1f0 net/can/af_can.c:650 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5704 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5817 process_backlog+0x22e/0x440 net/core/dev.c:6149 __napi_poll+0x63/0x3c0 net/core/dev.c:6902 napi_poll net/core/dev.c:6971 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7093 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_write_unlock_bh include/linux/rwlock_api_smp.h:281 [inline] _raw_write_unlock_bh+0x1f/0x30 kernel/locking/spinlock.c:366 neigh_periodic_work+0x605/0x6b0 net/core/neighbour.c:968 process_one_work kernel/workqueue.c:3236 [inline] process_scheduled_works+0x483/0x9a0 kernel/workqueue.c:3317 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3398 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 0xffff888119256088 of 8 bytes by interrupt on cpu 1: can_receive+0x4e/0x1f0 net/can/af_can.c:650 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5704 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5817 process_backlog+0x22e/0x440 net/core/dev.c:6149 __napi_poll+0x63/0x3c0 net/core/dev.c:6902 napi_poll net/core/dev.c:6971 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7093 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: 0x000000000009fe18 -> 0x000000000009fe1b Reported by Kernel Concurrency Sanitizer on: CPU: 1 UID: 0 PID: 23 Comm: ksoftirqd/1 Not tainted 6.13.0-rc6-syzkaller-00231-g77a903cd8e5a #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 0xffff8881281cc020 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+0x225/0x4c0 net/can/af_can.c:607 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:5704 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5817 process_backlog+0x22e/0x440 net/core/dev.c:6149 __napi_poll+0x63/0x3c0 net/core/dev.c:6902 napi_poll net/core/dev.c:6971 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7093 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 0xffff8881281cc020 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+0x225/0x4c0 net/can/af_can.c:607 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:5704 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5817 process_backlog+0x22e/0x440 net/core/dev.c:6149 __napi_poll+0x63/0x3c0 net/core/dev.c:6902 napi_poll net/core/dev.c:6971 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7093 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:3236 [inline] process_scheduled_works+0x483/0x9a0 kernel/workqueue.c:3317 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3398 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: 0x000bed0c -> 0x000bed0e Reported by Kernel Concurrency Sanitizer on: CPU: 1 UID: 0 PID: 11544 Comm: kworker/u8:30 Not tainted 6.13.0-rc6-syzkaller-00231-g77a903cd8e5a #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_receive / can_receive read-write to 0xffff8881192560f8 of 8 bytes by interrupt on cpu 0: can_receive+0x1ca/0x1f0 net/can/af_can.c:673 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5704 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5817 process_backlog+0x22e/0x440 net/core/dev.c:6149 __napi_poll+0x63/0x3c0 net/core/dev.c:6902 napi_poll net/core/dev.c:6971 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7093 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 0xffff8881192560f8 of 8 bytes by interrupt on cpu 1: can_receive+0x1ca/0x1f0 net/can/af_can.c:673 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5704 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5817 process_backlog+0x22e/0x440 net/core/dev.c:6149 __napi_poll+0x63/0x3c0 net/core/dev.c:6902 napi_poll net/core/dev.c:6971 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7093 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:3236 [inline] process_scheduled_works+0x483/0x9a0 kernel/workqueue.c:3317 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3398 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: 0x00000000000131f1 -> 0x00000000000131f3 Reported by Kernel Concurrency Sanitizer on: CPU: 1 UID: 0 PID: 11544 Comm: kworker/u8:30 Not tainted 6.13.0-rc6-syzkaller-00231-g77a903cd8e5a #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 0xffff888119256090 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+0x225/0x4c0 net/can/af_can.c:607 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:5704 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5817 process_backlog+0x22e/0x440 net/core/dev.c:6149 __napi_poll+0x63/0x3c0 net/core/dev.c:6902 napi_poll net/core/dev.c:6971 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7093 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_write_unlock_bh include/linux/rwlock_api_smp.h:281 [inline] _raw_write_unlock_bh+0x1f/0x30 kernel/locking/spinlock.c:366 neigh_periodic_work+0x605/0x6b0 net/core/neighbour.c:968 process_one_work kernel/workqueue.c:3236 [inline] process_scheduled_works+0x483/0x9a0 kernel/workqueue.c:3317 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3398 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 0xffff888119256090 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+0x225/0x4c0 net/can/af_can.c:607 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:5704 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5817 process_backlog+0x22e/0x440 net/core/dev.c:6149 __napi_poll+0x63/0x3c0 net/core/dev.c:6902 napi_poll net/core/dev.c:6971 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7093 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: 0x00000000000f6520 -> 0x00000000000f6522 Reported by Kernel Concurrency Sanitizer on: CPU: 1 UID: 0 PID: 23 Comm: ksoftirqd/1 Not tainted 6.13.0-rc6-syzkaller-00231-g77a903cd8e5a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 ==================================================================