================================================================== BUG: KCSAN: data-race in can_rcv_filter / can_rcv_filter read-write to 0xffff888100edf928 of 8 bytes by interrupt on cpu 0: deliver net/can/af_can.c:573 [inline] can_rcv_filter+0xd1/0x4c0 net/can/af_can.c:599 can_receive+0x182/0x1f0 net/can/af_can.c:663 can_rcv+0xe7/0x180 net/can/af_can.c:687 __netif_receive_skb_one_core net/core/dev.c:5538 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5652 process_backlog+0x21f/0x380 net/core/dev.c:5981 __napi_poll+0x63/0x3c0 net/core/dev.c:6632 napi_poll net/core/dev.c:6701 [inline] net_rx_action+0x324/0x720 net/core/dev.c:6816 __do_softirq+0xc8/0x285 kernel/softirq.c:554 run_ksoftirqd+0x17/0x30 kernel/softirq.c:924 smpboot_thread_fn+0x31c/0x4c0 kernel/smpboot.c:164 kthread+0x1d1/0x210 kernel/kthread.c:388 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 read-write to 0xffff888100edf928 of 8 bytes by interrupt on cpu 1: deliver net/can/af_can.c:573 [inline] can_rcv_filter+0xd1/0x4c0 net/can/af_can.c:599 can_receive+0x182/0x1f0 net/can/af_can.c:663 can_rcv+0xe7/0x180 net/can/af_can.c:687 __netif_receive_skb_one_core net/core/dev.c:5538 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5652 process_backlog+0x21f/0x380 net/core/dev.c:5981 __napi_poll+0x63/0x3c0 net/core/dev.c:6632 napi_poll net/core/dev.c:6701 [inline] net_rx_action+0x324/0x720 net/core/dev.c:6816 __do_softirq+0xc8/0x285 kernel/softirq.c:554 do_softirq+0x5e/0x90 kernel/softirq.c:455 __local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:382 __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_handshake_receive_worker+0x5c1/0x5f0 drivers/net/wireguard/receive.c:212 process_one_work kernel/workqueue.c:3254 [inline] process_scheduled_works+0x465/0x990 kernel/workqueue.c:3335 worker_thread+0x526/0x730 kernel/workqueue.c:3416 kthread+0x1d1/0x210 kernel/kthread.c:388 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 value changed: 0x000000000011ce20 -> 0x000000000011ce21 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 14081 Comm: kworker/1:16 Tainted: G W 6.9.0-rc1-syzkaller-00061-g8d025e2092e2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 Workqueue: wg-kex-wg0 wg_packet_handshake_receive_worker ================================================================== GRED: Unable to relocate VQ 0x0 after dequeue, screwing up backlog GRED: Unable to relocate VQ 0x0 after dequeue, screwing up backlog ================================================================== BUG: KCSAN: data-race in can_rcv_filter / can_rcv_filter read-write to 0xffff888100edf928 of 8 bytes by interrupt on cpu 0: deliver net/can/af_can.c:573 [inline] can_rcv_filter+0xd1/0x4c0 net/can/af_can.c:599 can_receive+0x182/0x1f0 net/can/af_can.c:663 can_rcv+0xe7/0x180 net/can/af_can.c:687 __netif_receive_skb_one_core net/core/dev.c:5538 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5652 process_backlog+0x21f/0x380 net/core/dev.c:5981 __napi_poll+0x63/0x3c0 net/core/dev.c:6632 napi_poll net/core/dev.c:6701 [inline] net_rx_action+0x324/0x720 net/core/dev.c:6816 __do_softirq+0xc8/0x285 kernel/softirq.c:554 do_softirq+0x5e/0x90 kernel/softirq.c:455 __local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:382 __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] lock_sock_nested+0x10f/0x140 net/core/sock.c:3542 lock_sock include/net/sock.h:1671 [inline] sockopt_lock_sock+0x42/0x50 net/core/sock.c:1061 do_ip_getsockopt+0xb57/0x11a0 net/ipv4/ip_sockglue.c:1703 ip_getsockopt+0x5c/0x170 net/ipv4/ip_sockglue.c:1765 tcp_getsockopt+0xaa/0xe0 net/ipv4/tcp.c:4373 sock_common_getsockopt+0x5b/0x70 net/core/sock.c:3700 do_sock_getsockopt+0x121/0x1a0 net/socket.c:2373 __sys_getsockopt+0x19a/0x210 net/socket.c:2402 __do_sys_getsockopt net/socket.c:2412 [inline] __se_sys_getsockopt net/socket.c:2409 [inline] __x64_sys_getsockopt+0x66/0x80 net/socket.c:2409 do_syscall_64+0xd3/0x1d0 entry_SYSCALL_64_after_hwframe+0x6d/0x75 read-write to 0xffff888100edf928 of 8 bytes by interrupt on cpu 1: deliver net/can/af_can.c:573 [inline] can_rcv_filter+0xd1/0x4c0 net/can/af_can.c:599 can_receive+0x182/0x1f0 net/can/af_can.c:663 can_rcv+0xe7/0x180 net/can/af_can.c:687 __netif_receive_skb_one_core net/core/dev.c:5538 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5652 process_backlog+0x21f/0x380 net/core/dev.c:5981 __napi_poll+0x63/0x3c0 net/core/dev.c:6632 napi_poll net/core/dev.c:6701 [inline] net_rx_action+0x324/0x720 net/core/dev.c:6816 __do_softirq+0xc8/0x285 kernel/softirq.c:554 do_softirq+0x5e/0x90 kernel/softirq.c:455 __local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:382 __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+0x55a/0x600 net/core/neighbour.c:1017 process_one_work kernel/workqueue.c:3254 [inline] process_scheduled_works+0x465/0x990 kernel/workqueue.c:3335 worker_thread+0x526/0x730 kernel/workqueue.c:3416 kthread+0x1d1/0x210 kernel/kthread.c:388 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 value changed: 0x000000000017c517 -> 0x000000000017c518 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 12107 Comm: kworker/1:0 Tainted: G W 6.9.0-rc1-syzkaller-00061-g8d025e2092e2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 Workqueue: events_power_efficient neigh_periodic_work ================================================================== ================================================================== BUG: KCSAN: data-race in can_send / can_send read-write to 0xffff8881169266f0 of 8 bytes by interrupt on cpu 0: can_send+0x570/0x5d0 net/can/af_can.c:290 can_can_gw_rcv+0x77b/0x7e0 net/can/gw.c:561 deliver net/can/af_can.c:572 [inline] can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:599 can_receive+0x182/0x1f0 net/can/af_can.c:663 can_rcv+0xe7/0x180 net/can/af_can.c:687 __netif_receive_skb_one_core net/core/dev.c:5538 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5652 process_backlog+0x21f/0x380 net/core/dev.c:5981 __napi_poll+0x63/0x3c0 net/core/dev.c:6632 napi_poll net/core/dev.c:6701 [inline] net_rx_action+0x324/0x720 net/core/dev.c:6816 __do_softirq+0xc8/0x285 kernel/softirq.c:554 do_softirq+0x5e/0x90 kernel/softirq.c:455 __local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:382 __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+0x21d/0x270 net/batman-adv/network-coding.c:471 batadv_nc_worker+0x402/0xac0 net/batman-adv/network-coding.c:722 process_one_work kernel/workqueue.c:3254 [inline] process_scheduled_works+0x465/0x990 kernel/workqueue.c:3335 worker_thread+0x526/0x730 kernel/workqueue.c:3416 kthread+0x1d1/0x210 kernel/kthread.c:388 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 read-write to 0xffff8881169266f0 of 8 bytes by interrupt on cpu 1: can_send+0x570/0x5d0 net/can/af_can.c:290 can_can_gw_rcv+0x77b/0x7e0 net/can/gw.c:561 deliver net/can/af_can.c:572 [inline] can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:599 can_receive+0x182/0x1f0 net/can/af_can.c:663 can_rcv+0xe7/0x180 net/can/af_can.c:687 __netif_receive_skb_one_core net/core/dev.c:5538 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5652 process_backlog+0x21f/0x380 net/core/dev.c:5981 __napi_poll+0x63/0x3c0 net/core/dev.c:6632 napi_poll net/core/dev.c:6701 [inline] net_rx_action+0x324/0x720 net/core/dev.c:6816 __do_softirq+0xc8/0x285 kernel/softirq.c:554 do_softirq+0x5e/0x90 kernel/softirq.c:455 __local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:382 __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_decrypt_worker+0x173/0x6f0 drivers/net/wireguard/receive.c:499 process_one_work kernel/workqueue.c:3254 [inline] process_scheduled_works+0x465/0x990 kernel/workqueue.c:3335 worker_thread+0x526/0x730 kernel/workqueue.c:3416 kthread+0x1d1/0x210 kernel/kthread.c:388 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 value changed: 0x0000000000002c73 -> 0x0000000000002c74 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 29101 Comm: kworker/1:9 Tainted: G W 6.9.0-rc1-syzkaller-00061-g8d025e2092e2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 Workqueue: wg-crypt-wg2 wg_packet_decrypt_worker ================================================================== GRED: Unable to relocate VQ 0x0 after dequeue, screwing up backlog ================================================================== BUG: KCSAN: data-race in can_rcv_filter / can_rcv_filter read-write to 0xffff888100edf928 of 8 bytes by interrupt on cpu 0: deliver net/can/af_can.c:573 [inline] can_rcv_filter+0xd1/0x4c0 net/can/af_can.c:599 can_receive+0x182/0x1f0 net/can/af_can.c:663 can_rcv+0xe7/0x180 net/can/af_can.c:687 __netif_receive_skb_one_core net/core/dev.c:5538 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5652 process_backlog+0x21f/0x380 net/core/dev.c:5981 __napi_poll+0x63/0x3c0 net/core/dev.c:6632 napi_poll net/core/dev.c:6701 [inline] net_rx_action+0x324/0x720 net/core/dev.c:6816 __do_softirq+0xc8/0x285 kernel/softirq.c:554 do_softirq+0x5e/0x90 kernel/softirq.c:455 __local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:382 __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_decrypt_worker+0x6ac/0x6f0 drivers/net/wireguard/receive.c:499 process_one_work kernel/workqueue.c:3254 [inline] process_scheduled_works+0x465/0x990 kernel/workqueue.c:3335 rescuer_thread+0x31c/0x650 kernel/workqueue.c:3512 kthread+0x1d1/0x210 kernel/kthread.c:388 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 read-write to 0xffff888100edf928 of 8 bytes by interrupt on cpu 1: deliver net/can/af_can.c:573 [inline] can_rcv_filter+0xd1/0x4c0 net/can/af_can.c:599 can_receive+0x182/0x1f0 net/can/af_can.c:663 can_rcv+0xe7/0x180 net/can/af_can.c:687 __netif_receive_skb_one_core net/core/dev.c:5538 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5652 process_backlog+0x21f/0x380 net/core/dev.c:5981 __napi_poll+0x63/0x3c0 net/core/dev.c:6632 napi_poll net/core/dev.c:6701 [inline] net_rx_action+0x324/0x720 net/core/dev.c:6816 __do_softirq+0xc8/0x285 kernel/softirq.c:554 do_softirq+0x5e/0x90 kernel/softirq.c:455 __local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:382 __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] bond_3ad_state_machine_handler+0x2a3c/0x2c20 drivers/net/bonding/bond_3ad.c:2521 process_one_work kernel/workqueue.c:3254 [inline] process_scheduled_works+0x465/0x990 kernel/workqueue.c:3335 worker_thread+0x526/0x730 kernel/workqueue.c:3416 kthread+0x1d1/0x210 kernel/kthread.c:388 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 value changed: 0x00000000001dd015 -> 0x00000000001dd016 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 13926 Comm: kworker/u8:0 Tainted: G W 6.9.0-rc1-syzkaller-00061-g8d025e2092e2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 Workqueue: bond1 bond_3ad_state_machine_handler ================================================================== GRED: Unable to relocate VQ 0x0 after dequeue, screwing up backlog ================================================================== BUG: KCSAN: data-race in can_can_gw_rcv / can_can_gw_rcv read-write to 0xffff8881292f0020 of 4 bytes by interrupt on cpu 0: can_can_gw_rcv+0x7c9/0x7e0 net/can/gw.c:564 deliver net/can/af_can.c:572 [inline] can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:599 can_receive+0x182/0x1f0 net/can/af_can.c:663 can_rcv+0xe7/0x180 net/can/af_can.c:687 __netif_receive_skb_one_core net/core/dev.c:5538 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5652 process_backlog+0x21f/0x380 net/core/dev.c:5981 __napi_poll+0x63/0x3c0 net/core/dev.c:6632 napi_poll net/core/dev.c:6701 [inline] net_rx_action+0x324/0x720 net/core/dev.c:6816 __do_softirq+0xc8/0x285 kernel/softirq.c:554 do_softirq+0x5e/0x90 kernel/softirq.c:455 __local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:382 __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_decrypt_worker+0x173/0x6f0 drivers/net/wireguard/receive.c:499 process_one_work kernel/workqueue.c:3254 [inline] process_scheduled_works+0x465/0x990 kernel/workqueue.c:3335 worker_thread+0x526/0x730 kernel/workqueue.c:3416 kthread+0x1d1/0x210 kernel/kthread.c:388 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 read-write to 0xffff8881292f0020 of 4 bytes by interrupt on cpu 1: can_can_gw_rcv+0x7c9/0x7e0 net/can/gw.c:564 deliver net/can/af_can.c:572 [inline] can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:599 can_receive+0x182/0x1f0 net/can/af_can.c:663 can_rcv+0xe7/0x180 net/can/af_can.c:687 __netif_receive_skb_one_core net/core/dev.c:5538 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5652 process_backlog+0x21f/0x380 net/core/dev.c:5981 __napi_poll+0x63/0x3c0 net/core/dev.c:6632 napi_poll net/core/dev.c:6701 [inline] net_rx_action+0x324/0x720 net/core/dev.c:6816 __do_softirq+0xc8/0x285 kernel/softirq.c:554 do_softirq+0x5e/0x90 kernel/softirq.c:455 __local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:382 local_bh_enable include/linux/bottom_half.h:33 [inline] rcu_read_unlock_bh include/linux/rcupdate.h:851 [inline] mod_peer_timer drivers/net/wireguard/timers.c:38 [inline] wg_timers_any_authenticated_packet_traversal+0xe5/0x110 drivers/net/wireguard/timers.c:215 wg_packet_create_data_done drivers/net/wireguard/send.c:247 [inline] wg_packet_tx_worker+0xe9/0x360 drivers/net/wireguard/send.c:276 process_one_work kernel/workqueue.c:3254 [inline] process_scheduled_works+0x465/0x990 kernel/workqueue.c:3335 worker_thread+0x526/0x730 kernel/workqueue.c:3416 kthread+0x1d1/0x210 kernel/kthread.c:388 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 value changed: 0x001e9a51 -> 0x001e9a52 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 29101 Comm: kworker/1:9 Tainted: G W 6.9.0-rc1-syzkaller-00061-g8d025e2092e2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 Workqueue: wg-crypt-wg0 wg_packet_tx_worker ================================================================== ================================================================== BUG: KCSAN: data-race in can_send / can_send read-write to 0xffff8881169266f0 of 8 bytes by interrupt on cpu 0: can_send+0x570/0x5d0 net/can/af_can.c:290 can_can_gw_rcv+0x77b/0x7e0 net/can/gw.c:561 deliver net/can/af_can.c:572 [inline] can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:599 can_receive+0x182/0x1f0 net/can/af_can.c:663 can_rcv+0xe7/0x180 net/can/af_can.c:687 __netif_receive_skb_one_core net/core/dev.c:5538 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5652 process_backlog+0x21f/0x380 net/core/dev.c:5981 __napi_poll+0x63/0x3c0 net/core/dev.c:6632 napi_poll net/core/dev.c:6701 [inline] net_rx_action+0x324/0x720 net/core/dev.c:6816 __do_softirq+0xc8/0x285 kernel/softirq.c:554 do_softirq+0x5e/0x90 kernel/softirq.c:455 __local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:382 __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_decrypt_worker+0x173/0x6f0 drivers/net/wireguard/receive.c:499 process_one_work kernel/workqueue.c:3254 [inline] process_scheduled_works+0x465/0x990 kernel/workqueue.c:3335 worker_thread+0x526/0x730 kernel/workqueue.c:3416 kthread+0x1d1/0x210 kernel/kthread.c:388 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 read-write to 0xffff8881169266f0 of 8 bytes by interrupt on cpu 1: can_send+0x570/0x5d0 net/can/af_can.c:290 can_can_gw_rcv+0x77b/0x7e0 net/can/gw.c:561 deliver net/can/af_can.c:572 [inline] can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:599 can_receive+0x182/0x1f0 net/can/af_can.c:663 can_rcv+0xe7/0x180 net/can/af_can.c:687 __netif_receive_skb_one_core net/core/dev.c:5538 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5652 process_backlog+0x21f/0x380 net/core/dev.c:5981 __napi_poll+0x63/0x3c0 net/core/dev.c:6632 napi_poll net/core/dev.c:6701 [inline] net_rx_action+0x324/0x720 net/core/dev.c:6816 __do_softirq+0xc8/0x285 kernel/softirq.c:554 do_softirq+0x5e/0x90 kernel/softirq.c:455 __local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:382 __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+0x186/0xa30 drivers/net/wireguard/send.c:293 process_one_work kernel/workqueue.c:3254 [inline] process_scheduled_works+0x465/0x990 kernel/workqueue.c:3335 worker_thread+0x526/0x730 kernel/workqueue.c:3416 kthread+0x1d1/0x210 kernel/kthread.c:388 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 value changed: 0x000000000000437c -> 0x000000000000437d Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 14067 Comm: kworker/1:7 Tainted: G W 6.9.0-rc1-syzkaller-00061-g8d025e2092e2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 Workqueue: wg-crypt-wg0 wg_packet_encrypt_worker ================================================================== GRED: Unable to relocate VQ 0x0 after dequeue, screwing up backlog ================================================================== BUG: KCSAN: data-race in can_rcv_filter / can_rcv_filter read-write to 0xffff888100edf928 of 8 bytes by interrupt on cpu 0: deliver net/can/af_can.c:573 [inline] can_rcv_filter+0xd1/0x4c0 net/can/af_can.c:599 can_receive+0x182/0x1f0 net/can/af_can.c:663 can_rcv+0xe7/0x180 net/can/af_can.c:687 __netif_receive_skb_one_core net/core/dev.c:5538 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5652 process_backlog+0x21f/0x380 net/core/dev.c:5981 __napi_poll+0x63/0x3c0 net/core/dev.c:6632 napi_poll net/core/dev.c:6701 [inline] net_rx_action+0x324/0x720 net/core/dev.c:6816 __do_softirq+0xc8/0x285 kernel/softirq.c:554 do_softirq+0x5e/0x90 kernel/softirq.c:455 __local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:382 __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+0x9ed/0xa30 drivers/net/wireguard/send.c:293 process_one_work kernel/workqueue.c:3254 [inline] process_scheduled_works+0x465/0x990 kernel/workqueue.c:3335 worker_thread+0x526/0x730 kernel/workqueue.c:3416 kthread+0x1d1/0x210 kernel/kthread.c:388 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 read-write to 0xffff888100edf928 of 8 bytes by interrupt on cpu 1: deliver net/can/af_can.c:573 [inline] can_rcv_filter+0xd1/0x4c0 net/can/af_can.c:599 can_receive+0x182/0x1f0 net/can/af_can.c:663 can_rcv+0xe7/0x180 net/can/af_can.c:687 __netif_receive_skb_one_core net/core/dev.c:5538 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5652 process_backlog+0x21f/0x380 net/core/dev.c:5981 __napi_poll+0x63/0x3c0 net/core/dev.c:6632 napi_poll net/core/dev.c:6701 [inline] net_rx_action+0x324/0x720 net/core/dev.c:6816 __do_softirq+0xc8/0x285 kernel/softirq.c:554 run_ksoftirqd+0x17/0x30 kernel/softirq.c:924 smpboot_thread_fn+0x31c/0x4c0 kernel/smpboot.c:164 kthread+0x1d1/0x210 kernel/kthread.c:388 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 value changed: 0x000000000023c774 -> 0x000000000023c775 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 22 Comm: ksoftirqd/1 Tainted: G W 6.9.0-rc1-syzkaller-00061-g8d025e2092e2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 ================================================================== ================================================================== BUG: KCSAN: data-race in can_can_gw_rcv / can_can_gw_rcv read-write to 0xffff8881292f0020 of 4 bytes by interrupt on cpu 0: can_can_gw_rcv+0x7c9/0x7e0 net/can/gw.c:564 deliver net/can/af_can.c:572 [inline] can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:599 can_receive+0x182/0x1f0 net/can/af_can.c:663 can_rcv+0xe7/0x180 net/can/af_can.c:687 __netif_receive_skb_one_core net/core/dev.c:5538 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5652 process_backlog+0x21f/0x380 net/core/dev.c:5981 __napi_poll+0x63/0x3c0 net/core/dev.c:6632 napi_poll net/core/dev.c:6701 [inline] net_rx_action+0x324/0x720 net/core/dev.c:6816 __do_softirq+0xc8/0x285 kernel/softirq.c:554 do_softirq+0x5e/0x90 kernel/softirq.c:455 __local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:382 local_bh_enable include/linux/bottom_half.h:33 [inline] rcu_read_unlock_bh include/linux/rcupdate.h:851 [inline] wg_index_hashtable_insert+0x26e/0x2a0 drivers/net/wireguard/peerlookup.c:161 wg_noise_handshake_create_initiation+0x52d/0x5f0 drivers/net/wireguard/noise.c:569 wg_packet_send_handshake_initiation drivers/net/wireguard/send.c:34 [inline] wg_packet_handshake_send_worker+0xb3/0x150 drivers/net/wireguard/send.c:51 process_one_work kernel/workqueue.c:3254 [inline] process_scheduled_works+0x465/0x990 kernel/workqueue.c:3335 worker_thread+0x526/0x730 kernel/workqueue.c:3416 kthread+0x1d1/0x210 kernel/kthread.c:388 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 read-write to 0xffff8881292f0020 of 4 bytes by interrupt on cpu 1: can_can_gw_rcv+0x7c9/0x7e0 net/can/gw.c:564 deliver net/can/af_can.c:572 [inline] can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:599 can_receive+0x182/0x1f0 net/can/af_can.c:663 can_rcv+0xe7/0x180 net/can/af_can.c:687 __netif_receive_skb_one_core net/core/dev.c:5538 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5652 process_backlog+0x21f/0x380 net/core/dev.c:5981 __napi_poll+0x63/0x3c0 net/core/dev.c:6632 napi_poll net/core/dev.c:6701 [inline] net_rx_action+0x324/0x720 net/core/dev.c:6816 __do_softirq+0xc8/0x285 kernel/softirq.c:554 do_softirq+0x5e/0x90 kernel/softirq.c:455 __local_bh_enable_ip+0x6e/0x70 kernel/softirq.c:382 __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+0x55a/0x600 net/core/neighbour.c:1017 process_one_work kernel/workqueue.c:3254 [inline] process_scheduled_works+0x465/0x990 kernel/workqueue.c:3335 worker_thread+0x526/0x730 kernel/workqueue.c:3416 kthread+0x1d1/0x210 kernel/kthread.c:388 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 value changed: 0x00248eb2 -> 0x00248eb3 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 12107 Comm: kworker/1:0 Tainted: G W 6.9.0-rc1-syzkaller-00061-g8d025e2092e2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 Workqueue: events_power_efficient neigh_periodic_work ================================================================== ================================================================== BUG: KCSAN: data-race in can_send / can_send read-write to 0xffff8881169266f0 of 8 bytes by interrupt on cpu 0: can_send+0x570/0x5d0 net/can/af_can.c:290 can_can_gw_rcv+0x77b/0x7e0 net/can/gw.c:561 deliver net/can/af_can.c:572 [inline] can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:599 can_receive+0x182/0x1f0 net/can/af_can.c:663 can_rcv+0xe7/0x180 net/can/af_can.c:687 __netif_receive_skb_one_core net/core/dev.c:5538 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5652 process_backlog+0x21f/0x380 net/core/dev.c:5981 __napi_poll+0x63/0x3c0 net/core/dev.c:6632 napi_poll net/core/dev.c:6701 [inline] net_rx_action+0x324/0x720 net/core/dev.c:6816 __do_softirq+0xc8/0x285 kernel/softirq.c:554 run_ksoftirqd+0x17/0x30 kernel/softirq.c:924 smpboot_thread_fn+0x31c/0x4c0 kernel/smpboot.c:164 kthread+0x1d1/0x210 kernel/kthread.c:388 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 read-write to 0xffff8881169266f0 of 8 bytes by interrupt on cpu 1: can_send+0x570/0x5d0 net/can/af_can.c:290 can_can_gw_rcv+0x77b/0x7e0 net/can/gw.c:561 deliver net/can/af_can.c:572 [inline] can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:599 can_receive+0x182/0x1f0 net/can/af_can.c:663 can_rcv+0xe7/0x180 net/can/af_can.c:687 __netif_receive_skb_one_core net/core/dev.c:5538 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5652 process_backlog+0x21f/0x380 net/core/dev.c:5981 __napi_poll+0x63/0x3c0 net/core/dev.c:6632 napi_poll net/core/dev.c:6701 [inline] net_rx_action+0x324/0x720 net/core/dev.c:6816 __do_softirq+0xc8/0x285 kernel/softirq.c:554 run_ksoftirqd+0x17/0x30 kernel/softirq.c:924 smpboot_thread_fn+0x31c/0x4c0 kernel/smpboot.c:164 kthread+0x1d1/0x210 kernel/kthread.c:388 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:243 value changed: 0x0000000000004faf -> 0x0000000000004fb0 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 22 Comm: ksoftirqd/1 Tainted: G W 6.9.0-rc1-syzkaller-00061-g8d025e2092e2 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 ==================================================================