================================================================== BUG: KCSAN: data-race in can_can_gw_rcv / can_can_gw_rcv read-write to 0xffff888144adc020 of 4 bytes by interrupt on cpu 1: can_can_gw_rcv+0x7cb/0x7e0 net/can/gw.c:564 deliver net/can/af_can.c:573 [inline] can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:600 can_receive+0x182/0x1f0 net/can/af_can.c:664 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5828 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5941 process_backlog+0x22e/0x440 net/core/dev.c:6289 __napi_poll+0x63/0x3c0 net/core/dev.c:7106 napi_poll net/core/dev.c:7175 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7297 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 0xffff888144adc020 of 4 bytes by interrupt on cpu 0: can_can_gw_rcv+0x7cb/0x7e0 net/can/gw.c:564 deliver net/can/af_can.c:573 [inline] can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:600 can_receive+0x182/0x1f0 net/can/af_can.c:664 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5828 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5941 process_backlog+0x22e/0x440 net/core/dev.c:6289 __napi_poll+0x63/0x3c0 net/core/dev.c:7106 napi_poll net/core/dev.c:7175 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7297 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:2851 inet_recvmsg+0xbd/0x290 net/ipv4/af_inet.c:883 sock_recvmsg_nosec net/socket.c:1018 [inline] sock_recvmsg+0xfe/0x170 net/socket.c:1040 sock_read_iter+0x14c/0x1a0 net/socket.c:1110 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 value changed: 0x000c12ec -> 0x000c12ed Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 3287 Comm: syz-executor Not tainted 6.14.0-rc1-syzkaller-00026-gd009de7d5428 #0 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 0xffff888101fdf248 of 8 bytes by interrupt on cpu 1: deliver net/can/af_can.c:574 [inline] can_rcv_filter+0x3a9/0x4c0 net/can/af_can.c:634 can_receive+0x182/0x1f0 net/can/af_can.c:664 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5828 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5941 process_backlog+0x22e/0x440 net/core/dev.c:6289 __napi_poll+0x63/0x3c0 net/core/dev.c:7106 napi_poll net/core/dev.c:7175 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7297 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+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 0xffff888101fdf248 of 8 bytes by interrupt on cpu 0: deliver net/can/af_can.c:574 [inline] can_rcv_filter+0x3a9/0x4c0 net/can/af_can.c:634 can_receive+0x182/0x1f0 net/can/af_can.c:664 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5828 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5941 process_backlog+0x22e/0x440 net/core/dev.c:6289 __napi_poll+0x63/0x3c0 net/core/dev.c:7106 napi_poll net/core/dev.c:7175 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7297 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/0x580 net/ipv6/netfilter/ip6_tables.c:1081 do_replace net/ipv6/netfilter/ip6_tables.c:1158 [inline] do_ip6t_set_ctl+0x820/0x8c0 net/ipv6/netfilter/ip6_tables.c:1644 nf_setsockopt+0x195/0x1b0 net/netfilter/nf_sockopt.c:101 ipv6_setsockopt+0x10f/0x130 net/ipv6/ipv6_sockglue.c:998 tcp_setsockopt+0x93/0xb0 net/ipv4/tcp.c:4030 sock_common_setsockopt+0x64/0x80 net/core/sock.c:3837 do_sock_setsockopt net/socket.c:2298 [inline] __sys_setsockopt+0x187/0x200 net/socket.c:2323 __do_sys_setsockopt net/socket.c:2329 [inline] __se_sys_setsockopt net/socket.c:2326 [inline] __x64_sys_setsockopt+0x66/0x80 net/socket.c:2326 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 value changed: 0x0000000000007df6 -> 0x0000000000007df7 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 3300 Comm: syz-executor Not tainted 6.14.0-rc1-syzkaller-00026-gd009de7d5428 #0 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 0xffff8881091a6248 of 8 bytes by interrupt on cpu 1: deliver net/can/af_can.c:574 [inline] can_rcv_filter+0xd1/0x4c0 net/can/af_can.c:600 can_receive+0x182/0x1f0 net/can/af_can.c:664 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5828 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5941 process_backlog+0x22e/0x440 net/core/dev.c:6289 __napi_poll+0x63/0x3c0 net/core/dev.c:7106 napi_poll net/core/dev.c:7175 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7297 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+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 0xffff8881091a6248 of 8 bytes by interrupt on cpu 0: deliver net/can/af_can.c:574 [inline] can_rcv_filter+0xd1/0x4c0 net/can/af_can.c:600 can_receive+0x182/0x1f0 net/can/af_can.c:664 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5828 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5941 process_backlog+0x22e/0x440 net/core/dev.c:6289 __napi_poll+0x63/0x3c0 net/core/dev.c:7106 napi_poll net/core/dev.c:7175 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7297 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: 0x00000000000c856b -> 0x00000000000c856c Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted 6.14.0-rc1-syzkaller-00026-gd009de7d5428 #0 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 0xffff888144adc020 of 4 bytes by interrupt on cpu 1: can_can_gw_rcv+0x7cb/0x7e0 net/can/gw.c:564 deliver net/can/af_can.c:573 [inline] can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:600 can_receive+0x182/0x1f0 net/can/af_can.c:664 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5828 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5941 process_backlog+0x22e/0x440 net/core/dev.c:6289 __napi_poll+0x63/0x3c0 net/core/dev.c:7106 napi_poll net/core/dev.c:7175 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7297 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+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 0xffff888144adc020 of 4 bytes by interrupt on cpu 0: can_can_gw_rcv+0x7cb/0x7e0 net/can/gw.c:564 deliver net/can/af_can.c:573 [inline] can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:600 can_receive+0x182/0x1f0 net/can/af_can.c:664 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5828 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5941 process_backlog+0x22e/0x440 net/core/dev.c:6289 __napi_poll+0x63/0x3c0 net/core/dev.c:7106 napi_poll net/core/dev.c:7175 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7297 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+0x402/0xad0 net/batman-adv/network-coding.c:722 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+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: 0x0011c715 -> 0x0011c716 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 1726 Comm: kworker/u8:6 Not tainted 6.14.0-rc1-syzkaller-00026-gd009de7d5428 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 Workqueue: bat_events batadv_nc_worker ================================================================== ================================================================== BUG: KCSAN: data-race in can_rcv_filter / can_rcv_filter read-write to 0xffff8881091a6248 of 8 bytes by interrupt on cpu 1: deliver net/can/af_can.c:574 [inline] can_rcv_filter+0xd1/0x4c0 net/can/af_can.c:600 can_receive+0x182/0x1f0 net/can/af_can.c:664 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5828 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5941 process_backlog+0x22e/0x440 net/core/dev.c:6289 __napi_poll+0x63/0x3c0 net/core/dev.c:7106 napi_poll net/core/dev.c:7175 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7297 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+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:4671 sock_common_getsockopt+0x5b/0x70 net/core/sock.c:3810 do_sock_getsockopt+0x1ca/0x260 net/socket.c:2359 __sys_getsockopt net/socket.c:2388 [inline] __do_sys_getsockopt net/socket.c:2395 [inline] __se_sys_getsockopt net/socket.c:2392 [inline] __x64_sys_getsockopt+0x18c/0x200 net/socket.c:2392 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 read-write to 0xffff8881091a6248 of 8 bytes by interrupt on cpu 0: deliver net/can/af_can.c:574 [inline] can_rcv_filter+0xd1/0x4c0 net/can/af_can.c:600 can_receive+0x182/0x1f0 net/can/af_can.c:664 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5828 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5941 process_backlog+0x22e/0x440 net/core/dev.c:6289 __napi_poll+0x63/0x3c0 net/core/dev.c:7106 napi_poll net/core/dev.c:7175 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7297 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+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: 0x0000000000127939 -> 0x000000000012793a Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 28 Comm: kworker/u8:1 Not tainted 6.14.0-rc1-syzkaller-00026-gd009de7d5428 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 Workqueue: events_unbound nsim_dev_trap_report_work ================================================================== ================================================================== BUG: KCSAN: data-race in can_can_gw_rcv / can_can_gw_rcv read-write to 0xffff88812a6c0358 of 4 bytes by interrupt on cpu 1: can_can_gw_rcv+0x7cb/0x7e0 net/can/gw.c:564 deliver net/can/af_can.c:573 [inline] can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:600 can_receive+0x182/0x1f0 net/can/af_can.c:664 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5828 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5941 process_backlog+0x22e/0x440 net/core/dev.c:6289 __napi_poll+0x63/0x3c0 net/core/dev.c:7106 napi_poll net/core/dev.c:7175 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7297 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] keep_key_fresh drivers/net/wireguard/send.c:135 [inline] wg_packet_create_data_done drivers/net/wireguard/send.c:259 [inline] wg_packet_tx_worker+0x2c8/0x360 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+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 0xffff88812a6c0358 of 4 bytes by interrupt on cpu 0: can_can_gw_rcv+0x7cb/0x7e0 net/can/gw.c:564 deliver net/can/af_can.c:573 [inline] can_rcv_filter+0xbf/0x4c0 net/can/af_can.c:600 can_receive+0x182/0x1f0 net/can/af_can.c:664 can_rcv+0xe7/0x180 net/can/af_can.c:688 __netif_receive_skb_one_core net/core/dev.c:5828 [inline] __netif_receive_skb+0x123/0x280 net/core/dev.c:5941 process_backlog+0x22e/0x440 net/core/dev.c:6289 __napi_poll+0x63/0x3c0 net/core/dev.c:7106 napi_poll net/core/dev.c:7175 [inline] net_rx_action+0x3a1/0x7f0 net/core/dev.c:7297 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+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: 0x000893e0 -> 0x000893e1 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 4114 Comm: kworker/u8:7 Not tainted 6.14.0-rc1-syzkaller-00026-gd009de7d5428 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 Workqueue: events_unbound nsim_dev_trap_report_work ==================================================================