================================================================== BUG: KCSAN: data-race in can_send / can_send read-write to 0xffff88811a274570 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 canfd_rcv+0xe7/0x180 net/can/af_can.c:703 __netif_receive_skb_one_core net/core/dev.c:5899 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:6012 process_backlog+0x22e/0x440 net/core/dev.c:6360 __napi_poll+0x63/0x3c0 net/core/dev.c:7194 napi_poll net/core/dev.c:7263 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7385 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+0x4ae/0x520 kernel/kthread.c:464 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 read-write to 0xffff88811a274570 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 canfd_rcv+0xe7/0x180 net/can/af_can.c:703 __netif_receive_skb_one_core net/core/dev.c:5899 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:6012 process_backlog+0x22e/0x440 net/core/dev.c:6360 __napi_poll+0x63/0x3c0 net/core/dev.c:7194 napi_poll net/core/dev.c:7263 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7385 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+0x4ae/0x520 kernel/kthread.c:464 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 value changed: 0x0000000000005246 -> 0x0000000000005248 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W 6.14.0-rc3-syzkaller-00295-g27102b38b8ca #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 ================================================================== ================================================================== BUG: KCSAN: data-race in can_can_gw_rcv / can_can_gw_rcv read-write to 0xffff88810e5d0020 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 canfd_rcv+0xe7/0x180 net/can/af_can.c:703 __netif_receive_skb_one_core net/core/dev.c:5899 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:6012 process_backlog+0x22e/0x440 net/core/dev.c:6360 __napi_poll+0x63/0x3c0 net/core/dev.c:7194 napi_poll net/core/dev.c:7263 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7385 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+0x4db/0xa20 kernel/workqueue.c:3317 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3398 kthread+0x4ae/0x520 kernel/kthread.c:464 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 read-write to 0xffff88810e5d0020 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 canfd_rcv+0xe7/0x180 net/can/af_can.c:703 __netif_receive_skb_one_core net/core/dev.c:5899 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:6012 process_backlog+0x22e/0x440 net/core/dev.c:6360 __napi_poll+0x63/0x3c0 net/core/dev.c:7194 napi_poll net/core/dev.c:7263 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7385 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:3236 [inline] process_scheduled_works+0x4db/0xa20 kernel/workqueue.c:3317 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3398 kthread+0x4ae/0x520 kernel/kthread.c:464 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 value changed: 0x0018a688 -> 0x0018a689 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 2963 Comm: kworker/0:2 Tainted: G W 6.14.0-rc3-syzkaller-00295-g27102b38b8ca #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 Workqueue: events_long defense_work_handler ================================================================== ================================================================== BUG: KCSAN: data-race in can_send / can_send read-write to 0xffff88811a274510 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 canfd_rcv+0xe7/0x180 net/can/af_can.c:703 __netif_receive_skb_one_core net/core/dev.c:5899 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:6012 process_backlog+0x22e/0x440 net/core/dev.c:6360 __napi_poll+0x63/0x3c0 net/core/dev.c:7194 napi_poll net/core/dev.c:7263 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7385 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+0xb42/0xb80 drivers/net/wireguard/send.c:293 process_one_work kernel/workqueue.c:3236 [inline] process_scheduled_works+0x4db/0xa20 kernel/workqueue.c:3317 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3398 kthread+0x4ae/0x520 kernel/kthread.c:464 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 read-write to 0xffff88811a274510 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 canfd_rcv+0xe7/0x180 net/can/af_can.c:703 __netif_receive_skb_one_core net/core/dev.c:5899 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:6012 process_backlog+0x22e/0x440 net/core/dev.c:6360 __napi_poll+0x63/0x3c0 net/core/dev.c:7194 napi_poll net/core/dev.c:7263 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7385 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:3236 [inline] process_scheduled_works+0x4db/0xa20 kernel/workqueue.c:3317 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3398 kthread+0x4ae/0x520 kernel/kthread.c:464 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 value changed: 0x0000000000321d7a -> 0x0000000000321d7b Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 9 Comm: kworker/0:1 Tainted: G W 6.14.0-rc3-syzkaller-00295-g27102b38b8ca #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 Workqueue: events_long defense_work_handler ================================================================== ================================================================== BUG: KCSAN: data-race in can_send / can_send read-write to 0xffff88811a274570 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 canfd_rcv+0xe7/0x180 net/can/af_can.c:703 __netif_receive_skb_one_core net/core/dev.c:5899 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:6012 process_backlog+0x22e/0x440 net/core/dev.c:6360 __napi_poll+0x63/0x3c0 net/core/dev.c:7194 napi_poll net/core/dev.c:7263 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7385 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] lock_sock_nested+0x10f/0x140 net/core/sock.c:3652 lock_sock include/net/sock.h:1624 [inline] tcp_recvmsg+0x121/0x490 net/ipv4/tcp.c:2870 inet_recvmsg+0xbd/0x290 net/ipv4/af_inet.c:883 sock_recvmsg_nosec net/socket.c:1023 [inline] sock_recvmsg+0xfe/0x170 net/socket.c:1045 sock_read_iter+0x14c/0x1a0 net/socket.c:1115 new_sync_read fs/read_write.c:484 [inline] vfs_read+0x5cc/0x6f0 fs/read_write.c:565 ksys_read+0xe8/0x1b0 fs/read_write.c:708 __do_sys_read fs/read_write.c:717 [inline] __se_sys_read fs/read_write.c:715 [inline] __x64_sys_read+0x42/0x50 fs/read_write.c:715 x64_sys_call+0x2874/0x2dc0 arch/x86/include/generated/asm/syscalls_64.h:1 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 0xffff88811a274570 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 canfd_rcv+0xe7/0x180 net/can/af_can.c:703 __netif_receive_skb_one_core net/core/dev.c:5899 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:6012 process_backlog+0x22e/0x440 net/core/dev.c:6360 __napi_poll+0x63/0x3c0 net/core/dev.c:7194 napi_poll net/core/dev.c:7263 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7385 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+0x4ae/0x520 kernel/kthread.c:464 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 value changed: 0x0000000000006e1e -> 0x0000000000006e20 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W 6.14.0-rc3-syzkaller-00295-g27102b38b8ca #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 ================================================================== ================================================================== BUG: KCSAN: data-race in can_rcv_filter / can_rcv_filter read-write to 0xffff888102122428 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 canfd_rcv+0xe7/0x180 net/can/af_can.c:703 __netif_receive_skb_one_core net/core/dev.c:5899 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:6012 process_backlog+0x22e/0x440 net/core/dev.c:6360 __napi_poll+0x63/0x3c0 net/core/dev.c:7194 napi_poll net/core/dev.c:7263 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7385 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+0x4db/0xa20 kernel/workqueue.c:3317 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3398 kthread+0x4ae/0x520 kernel/kthread.c:464 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 read-write to 0xffff888102122428 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 canfd_rcv+0xe7/0x180 net/can/af_can.c:703 __netif_receive_skb_one_core net/core/dev.c:5899 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:6012 process_backlog+0x22e/0x440 net/core/dev.c:6360 __napi_poll+0x63/0x3c0 net/core/dev.c:7194 napi_poll net/core/dev.c:7263 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7385 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+0x4db/0xa20 kernel/workqueue.c:3317 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3398 kthread+0x4ae/0x520 kernel/kthread.c:464 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 value changed: 0x00000000001acaba -> 0x00000000001acabb Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 8 Comm: kworker/0:0 Tainted: G W 6.14.0-rc3-syzkaller-00295-g27102b38b8ca #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 Workqueue: events_power_efficient neigh_periodic_work ================================================================== ================================================================== BUG: KCSAN: data-race in can_receive / can_receive read-write to 0xffff88811a274508 of 8 bytes by interrupt on cpu 1: can_receive+0x4e/0x1f0 net/can/af_can.c:650 canfd_rcv+0xe7/0x180 net/can/af_can.c:703 __netif_receive_skb_one_core net/core/dev.c:5899 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:6012 process_backlog+0x22e/0x440 net/core/dev.c:6360 __napi_poll+0x63/0x3c0 net/core/dev.c:7194 napi_poll net/core/dev.c:7263 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7385 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+0xb42/0xb80 drivers/net/wireguard/send.c:293 process_one_work kernel/workqueue.c:3236 [inline] process_scheduled_works+0x4db/0xa20 kernel/workqueue.c:3317 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3398 kthread+0x4ae/0x520 kernel/kthread.c:464 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 read-write to 0xffff88811a274508 of 8 bytes by interrupt on cpu 0: can_receive+0x4e/0x1f0 net/can/af_can.c:650 canfd_rcv+0xe7/0x180 net/can/af_can.c:703 __netif_receive_skb_one_core net/core/dev.c:5899 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:6012 process_backlog+0x22e/0x440 net/core/dev.c:6360 __napi_poll+0x63/0x3c0 net/core/dev.c:7194 napi_poll net/core/dev.c:7263 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7385 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] release_sock+0x117/0x150 net/core/sock.c:3669 inet_stream_connect+0x5c/0x70 net/ipv4/af_inet.c:749 kernel_connect+0x9a/0xf0 net/socket.c:3615 rds_tcp_conn_path_connect+0x3bc/0x440 net/rds/tcp_connect.c:176 rds_connect_worker+0x12c/0x1b0 net/rds/threads.c:176 process_one_work kernel/workqueue.c:3236 [inline] process_scheduled_works+0x4db/0xa20 kernel/workqueue.c:3317 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3398 kthread+0x4ae/0x520 kernel/kthread.c:464 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 value changed: 0x00000000001b6649 -> 0x00000000001b664a Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 371 Comm: kworker/u8:5 Tainted: G W 6.14.0-rc3-syzkaller-00295-g27102b38b8ca #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 Workqueue: krdsd rds_connect_worker ================================================================== ================================================================== BUG: KCSAN: data-race in can_receive / can_receive read-write to 0xffff88811a274578 of 8 bytes by interrupt on cpu 1: can_receive+0x1ca/0x1f0 net/can/af_can.c:673 canfd_rcv+0xe7/0x180 net/can/af_can.c:703 __netif_receive_skb_one_core net/core/dev.c:5899 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:6012 process_backlog+0x22e/0x440 net/core/dev.c:6360 __napi_poll+0x63/0x3c0 net/core/dev.c:7194 napi_poll net/core/dev.c:7263 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7385 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:3236 [inline] process_scheduled_works+0x4db/0xa20 kernel/workqueue.c:3317 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3398 kthread+0x4ae/0x520 kernel/kthread.c:464 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 read-write to 0xffff88811a274578 of 8 bytes by interrupt on cpu 0: can_receive+0x1ca/0x1f0 net/can/af_can.c:673 canfd_rcv+0xe7/0x180 net/can/af_can.c:703 __netif_receive_skb_one_core net/core/dev.c:5899 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:6012 process_backlog+0x22e/0x440 net/core/dev.c:6360 __napi_poll+0x63/0x3c0 net/core/dev.c:7194 napi_poll net/core/dev.c:7263 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7385 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+0x4db/0xa20 kernel/workqueue.c:3317 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3398 kthread+0x4ae/0x520 kernel/kthread.c:464 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 value changed: 0x0000000000000293 -> 0x0000000000000294 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 9 Comm: kworker/0:1 Tainted: G W 6.14.0-rc3-syzkaller-00295-g27102b38b8ca #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 Workqueue: wg-crypt-wg0 wg_packet_tx_worker ================================================================== ================================================================== BUG: KCSAN: data-race in can_send / can_send read-write to 0xffff88811a274510 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 canfd_rcv+0xe7/0x180 net/can/af_can.c:703 __netif_receive_skb_one_core net/core/dev.c:5899 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:6012 process_backlog+0x22e/0x440 net/core/dev.c:6360 __napi_poll+0x63/0x3c0 net/core/dev.c:7194 napi_poll net/core/dev.c:7263 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7385 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+0x4db/0xa20 kernel/workqueue.c:3317 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3398 kthread+0x4ae/0x520 kernel/kthread.c:464 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 read-write to 0xffff88811a274510 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 canfd_rcv+0xe7/0x180 net/can/af_can.c:703 __netif_receive_skb_one_core net/core/dev.c:5899 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:6012 process_backlog+0x22e/0x440 net/core/dev.c:6360 __napi_poll+0x63/0x3c0 net/core/dev.c:7194 napi_poll net/core/dev.c:7263 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7385 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] lock_sock_nested+0x10f/0x140 net/core/sock.c:3652 lock_sock include/net/sock.h:1624 [inline] sockopt_lock_sock+0x42/0x50 net/core/sock.c:1133 do_ip_getsockopt+0xbf3/0x1270 net/ipv4/ip_sockglue.c:1703 ip_getsockopt+0x5c/0x170 net/ipv4/ip_sockglue.c:1765 tcp_getsockopt+0xaa/0xe0 net/ipv4/tcp.c:4690 sock_common_getsockopt+0x5b/0x70 net/core/sock.c:3810 do_sock_getsockopt+0x1ca/0x260 net/socket.c:2364 __sys_getsockopt net/socket.c:2393 [inline] __do_sys_getsockopt net/socket.c:2400 [inline] __se_sys_getsockopt net/socket.c:2397 [inline] __x64_sys_getsockopt+0x18c/0x200 net/socket.c:2397 x64_sys_call+0x1288/0x2dc0 arch/x86/include/generated/asm/syscalls_64.h:56 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 value changed: 0x000000000037a393 -> 0x000000000037a394 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 22381 Comm: syz-executor Tainted: G W 6.14.0-rc3-syzkaller-00295-g27102b38b8ca #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 ================================================================== ================================================================== BUG: KCSAN: data-race in can_rcv_filter / can_rcv_filter read-write to 0xffff888102122428 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 canfd_rcv+0xe7/0x180 net/can/af_can.c:703 __netif_receive_skb_one_core net/core/dev.c:5899 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:6012 process_backlog+0x22e/0x440 net/core/dev.c:6360 __napi_poll+0x63/0x3c0 net/core/dev.c:7194 napi_poll net/core/dev.c:7263 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7385 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] lock_sock_nested+0x10f/0x140 net/core/sock.c:3652 lock_sock include/net/sock.h:1624 [inline] tcp_recvmsg+0x121/0x490 net/ipv4/tcp.c:2870 inet_recvmsg+0xbd/0x290 net/ipv4/af_inet.c:883 sock_recvmsg_nosec net/socket.c:1023 [inline] sock_recvmsg+0xfe/0x170 net/socket.c:1045 sock_read_iter+0x14c/0x1a0 net/socket.c:1115 new_sync_read fs/read_write.c:484 [inline] vfs_read+0x5cc/0x6f0 fs/read_write.c:565 ksys_read+0xe8/0x1b0 fs/read_write.c:708 __do_sys_read fs/read_write.c:717 [inline] __se_sys_read fs/read_write.c:715 [inline] __x64_sys_read+0x42/0x50 fs/read_write.c:715 x64_sys_call+0x2874/0x2dc0 arch/x86/include/generated/asm/syscalls_64.h:1 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 0xffff888102122428 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 canfd_rcv+0xe7/0x180 net/can/af_can.c:703 __netif_receive_skb_one_core net/core/dev.c:5899 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:6012 process_backlog+0x22e/0x440 net/core/dev.c:6360 __napi_poll+0x63/0x3c0 net/core/dev.c:7194 napi_poll net/core/dev.c:7263 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7385 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+0x4ae/0x520 kernel/kthread.c:464 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 value changed: 0x00000000001d65e3 -> 0x00000000001d65e4 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W 6.14.0-rc3-syzkaller-00295-g27102b38b8ca #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 ================================================================== ================================================================== BUG: KCSAN: data-race in can_can_gw_rcv / can_can_gw_rcv read-write to 0xffff88810e5d0358 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 canfd_rcv+0xe7/0x180 net/can/af_can.c:703 __netif_receive_skb_one_core net/core/dev.c:5899 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:6012 process_backlog+0x22e/0x440 net/core/dev.c:6360 __napi_poll+0x63/0x3c0 net/core/dev.c:7194 napi_poll net/core/dev.c:7263 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7385 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] xt_replace_table+0x261/0x460 net/netfilter/x_tables.c:1428 __do_replace+0xcc/0x570 net/ipv4/netfilter/ip_tables.c:1064 do_replace net/ipv4/netfilter/ip_tables.c:1141 [inline] do_ipt_set_ctl+0x811/0x8b0 net/ipv4/netfilter/ip_tables.c:1635 nf_setsockopt+0x195/0x1b0 net/netfilter/nf_sockopt.c:101 ip_setsockopt+0xea/0x100 net/ipv4/ip_sockglue.c:1424 tcp_setsockopt+0x93/0xb0 net/ipv4/tcp.c:4049 sock_common_setsockopt+0x64/0x80 net/core/sock.c:3837 do_sock_setsockopt net/socket.c:2303 [inline] __sys_setsockopt+0x187/0x200 net/socket.c:2328 __do_sys_setsockopt net/socket.c:2334 [inline] __se_sys_setsockopt net/socket.c:2331 [inline] __x64_sys_setsockopt+0x66/0x80 net/socket.c:2331 x64_sys_call+0x282e/0x2dc0 arch/x86/include/generated/asm/syscalls_64.h:55 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 0xffff88810e5d0358 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 canfd_rcv+0xe7/0x180 net/can/af_can.c:703 __netif_receive_skb_one_core net/core/dev.c:5899 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:6012 process_backlog+0x22e/0x440 net/core/dev.c:6360 __napi_poll+0x63/0x3c0 net/core/dev.c:7194 napi_poll net/core/dev.c:7263 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7385 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+0x4db/0xa20 kernel/workqueue.c:3317 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3398 kthread+0x4ae/0x520 kernel/kthread.c:464 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 value changed: 0x001e06fe -> 0x001e06ff Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 12359 Comm: kworker/0:5 Tainted: G W 6.14.0-rc3-syzkaller-00295-g27102b38b8ca #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 Workqueue: wg-crypt-wg1 wg_packet_tx_worker ================================================================== ================================================================== BUG: KCSAN: data-race in can_receive / can_receive read-write to 0xffff88811a274578 of 8 bytes by interrupt on cpu 1: can_receive+0x1ca/0x1f0 net/can/af_can.c:673 canfd_rcv+0xe7/0x180 net/can/af_can.c:703 __netif_receive_skb_one_core net/core/dev.c:5899 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:6012 process_backlog+0x22e/0x440 net/core/dev.c:6360 __napi_poll+0x63/0x3c0 net/core/dev.c:7194 napi_poll net/core/dev.c:7263 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7385 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] rcu_read_unlock_bh include/linux/rcupdate.h:919 [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_send_handshake_initiation drivers/net/wireguard/send.c:36 [inline] wg_packet_handshake_send_worker+0xd7/0x150 drivers/net/wireguard/send.c:51 process_one_work kernel/workqueue.c:3236 [inline] process_scheduled_works+0x4db/0xa20 kernel/workqueue.c:3317 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3398 kthread+0x4ae/0x520 kernel/kthread.c:464 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 read-write to 0xffff88811a274578 of 8 bytes by interrupt on cpu 0: can_receive+0x1ca/0x1f0 net/can/af_can.c:673 canfd_rcv+0xe7/0x180 net/can/af_can.c:703 __netif_receive_skb_one_core net/core/dev.c:5899 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:6012 process_backlog+0x22e/0x440 net/core/dev.c:6360 __napi_poll+0x63/0x3c0 net/core/dev.c:7194 napi_poll net/core/dev.c:7263 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7385 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] rcu_read_unlock_bh include/linux/rcupdate.h:919 [inline] mod_peer_timer drivers/net/wireguard/timers.c:38 [inline] wg_timers_handshake_initiated+0xe5/0x110 drivers/net/wireguard/timers.c:184 wg_packet_send_handshake_initiation drivers/net/wireguard/send.c:42 [inline] wg_packet_handshake_send_worker+0x114/0x150 drivers/net/wireguard/send.c:51 process_one_work kernel/workqueue.c:3236 [inline] process_scheduled_works+0x4db/0xa20 kernel/workqueue.c:3317 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3398 kthread+0x4ae/0x520 kernel/kthread.c:464 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 value changed: 0x00000000000003ab -> 0x00000000000003ac Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 18986 Comm: kworker/u8:36 Tainted: G W 6.14.0-rc3-syzkaller-00295-g27102b38b8ca #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 Workqueue: wg-kex-wg1 wg_packet_handshake_send_worker ================================================================== ================================================================== BUG: KCSAN: data-race in can_send / can_send read-write to 0xffff88811a274570 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 canfd_rcv+0xe7/0x180 net/can/af_can.c:703 __netif_receive_skb_one_core net/core/dev.c:5899 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:6012 process_backlog+0x22e/0x440 net/core/dev.c:6360 __napi_poll+0x63/0x3c0 net/core/dev.c:7194 napi_poll net/core/dev.c:7263 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7385 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+0x4db/0xa20 kernel/workqueue.c:3317 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3398 kthread+0x4ae/0x520 kernel/kthread.c:464 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 read-write to 0xffff88811a274570 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 canfd_rcv+0xe7/0x180 net/can/af_can.c:703 __netif_receive_skb_one_core net/core/dev.c:5899 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:6012 process_backlog+0x22e/0x440 net/core/dev.c:6360 __napi_poll+0x63/0x3c0 net/core/dev.c:7194 napi_poll net/core/dev.c:7263 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7385 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] tlb_clear_slave drivers/net/bonding/bond_alb.c:121 [inline] bond_alb_monitor+0x488/0xa30 drivers/net/bonding/bond_alb.c:1573 process_one_work kernel/workqueue.c:3236 [inline] process_scheduled_works+0x4db/0xa20 kernel/workqueue.c:3317 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3398 kthread+0x4ae/0x520 kernel/kthread.c:464 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 value changed: 0x0000000000008d5d -> 0x0000000000008d5e Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 19012 Comm: kworker/u8:58 Tainted: G W 6.14.0-rc3-syzkaller-00295-g27102b38b8ca #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 Workqueue: bond1 bond_alb_monitor ================================================================== ================================================================== BUG: KCSAN: data-race in can_receive / can_receive read-write to 0xffff88811a274568 of 8 bytes by interrupt on cpu 1: can_receive+0x62/0x1f0 net/can/af_can.c:651 canfd_rcv+0xe7/0x180 net/can/af_can.c:703 __netif_receive_skb_one_core net/core/dev.c:5899 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:6012 process_backlog+0x22e/0x440 net/core/dev.c:6360 __napi_poll+0x63/0x3c0 net/core/dev.c:7194 napi_poll net/core/dev.c:7263 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7385 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+0x4ae/0x520 kernel/kthread.c:464 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 read-write to 0xffff88811a274568 of 8 bytes by interrupt on cpu 0: can_receive+0x62/0x1f0 net/can/af_can.c:651 canfd_rcv+0xe7/0x180 net/can/af_can.c:703 __netif_receive_skb_one_core net/core/dev.c:5899 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:6012 process_backlog+0x22e/0x440 net/core/dev.c:6360 __napi_poll+0x63/0x3c0 net/core/dev.c:7194 napi_poll net/core/dev.c:7263 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7385 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+0xb42/0xb80 drivers/net/wireguard/send.c:293 process_one_work kernel/workqueue.c:3236 [inline] process_scheduled_works+0x4db/0xa20 kernel/workqueue.c:3317 worker_thread+0x51d/0x6f0 kernel/workqueue.c:3398 kthread+0x4ae/0x520 kernel/kthread.c:464 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 value changed: 0x000000000000ca18 -> 0x000000000000ca19 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 2963 Comm: kworker/0:2 Tainted: G W 6.14.0-rc3-syzkaller-00295-g27102b38b8ca #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 Workqueue: wg-crypt-wg0 wg_packet_encrypt_worker ==================================================================