================================================================== BUG: KCSAN: data-race in can_send / can_send read-write to 0xffff8881159d8970 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 read-write to 0xffff8881159d8970 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 value changed: 0x000000000000f4bd -> 0x000000000000f4be Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 14 Comm: ksoftirqd/0 Not tainted 6.9.0-rc1-syzkaller-00011-g498e47cd1d1f #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 0xffff888143ff8020 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_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 0xffff888143ff8020 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] nsim_dev_trap_report drivers/net/netdevsim/dev.c:820 [inline] nsim_dev_trap_report_work+0x4d5/0x5b0 drivers/net/netdevsim/dev.c:850 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: 0x0002ae41 -> 0x0002ae42 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 3168 Comm: kworker/0:3 Not tainted 6.9.0-rc1-syzkaller-00011-g498e47cd1d1f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 Workqueue: events nsim_dev_trap_report_work ================================================================== ================================================================== BUG: KCSAN: data-race in can_receive / can_receive read-write to 0xffff8881159d8918 of 8 bytes by interrupt on cpu 1: can_receive+0x1b6/0x1f0 net/can/af_can.c:671 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] release_sock+0x117/0x150 net/core/sock.c:3559 sockopt_release_sock+0x42/0x50 net/core/sock.c:1070 do_ip_getsockopt+0xcb4/0x11a0 net/ipv4/ip_sockglue.c:1732 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 0xffff8881159d8918 of 8 bytes by interrupt on cpu 0: can_receive+0x1b6/0x1f0 net/can/af_can.c:671 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] nsim_dev_trap_report drivers/net/netdevsim/dev.c:820 [inline] nsim_dev_trap_report_work+0x4d5/0x5b0 drivers/net/netdevsim/dev.c:850 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: 0x000000000002e143 -> 0x000000000002e144 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 3168 Comm: kworker/0:3 Not tainted 6.9.0-rc1-syzkaller-00011-g498e47cd1d1f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 Workqueue: events nsim_dev_trap_report_work ================================================================== ================================================================== BUG: KCSAN: data-race in can_receive / can_receive read-write to 0xffff8881159d8908 of 8 bytes by interrupt on cpu 1: can_receive+0x4e/0x1f0 net/can/af_can.c:649 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 invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu kernel/softirq.c:633 [inline] irq_exit_rcu+0x3c/0x90 kernel/softirq.c:645 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x73/0x80 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 is_atomic kernel/kcsan/core.c:264 [inline] should_watch kernel/kcsan/core.c:277 [inline] check_access kernel/kcsan/core.c:752 [inline] __tsan_read8+0xfc/0x180 kernel/kcsan/core.c:1025 ext4_da_do_write_end fs/ext4/inode.c:2946 [inline] ext4_da_write_end+0x177/0x860 fs/ext4/inode.c:3028 generic_perform_write+0x276/0x410 mm/filemap.c:3985 ext4_buffered_write_iter+0x1f6/0x380 fs/ext4/file.c:299 ext4_file_write_iter+0x29f/0xe30 __kernel_write_iter+0x265/0x490 fs/read_write.c:523 dump_emit_page fs/coredump.c:890 [inline] dump_user_range+0x3a7/0x550 fs/coredump.c:951 elf_core_dump+0x1aa6/0x1bc0 fs/binfmt_elf.c:2077 do_coredump+0x1033/0x1890 fs/coredump.c:764 get_signal+0xdc1/0x1080 kernel/signal.c:2896 arch_do_signal_or_restart+0x95/0x4b0 arch/x86/kernel/signal.c:310 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] irqentry_exit_to_user_mode+0x94/0x130 kernel/entry/common.c:231 irqentry_exit+0x12/0x50 kernel/entry/common.c:334 exc_general_protection+0x33d/0x4d0 arch/x86/kernel/traps.c:644 asm_exc_general_protection+0x26/0x30 arch/x86/include/asm/idtentry.h:617 read-write to 0xffff8881159d8908 of 8 bytes by interrupt on cpu 0: can_receive+0x4e/0x1f0 net/can/af_can.c:649 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] nsim_dev_trap_report drivers/net/netdevsim/dev.c:820 [inline] nsim_dev_trap_report_work+0x4d5/0x5b0 drivers/net/netdevsim/dev.c:850 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: 0x0000000000033297 -> 0x0000000000033298 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 909 Comm: kworker/0:2 Not tainted 6.9.0-rc1-syzkaller-00011-g498e47cd1d1f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 Workqueue: events nsim_dev_trap_report_work ================================================================== ================================================================== BUG: KCSAN: data-race in can_receive / can_receive read-write to 0xffff8881159d8978 of 8 bytes by interrupt on cpu 1: can_receive+0x1ca/0x1f0 net/can/af_can.c:672 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 invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu kernel/softirq.c:633 [inline] irq_exit_rcu+0x3c/0x90 kernel/softirq.c:645 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x73/0x80 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 __tsan_read8+0x0/0x180 kernel/kcsan/core.c:753 pv_queued_spin_unlock arch/x86/include/asm/paravirt.h:589 [inline] queued_spin_unlock arch/x86/include/asm/qspinlock.h:57 [inline] do_raw_spin_unlock include/linux/spinlock.h:204 [inline] __raw_spin_unlock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_unlock+0x14/0x50 kernel/locking/spinlock.c:186 spin_unlock include/linux/spinlock.h:391 [inline] ext4_da_reserve_space+0x134/0x210 fs/ext4/inode.c:1478 ext4_insert_delayed_block fs/ext4/inode.c:1652 [inline] ext4_da_map_blocks fs/ext4/inode.c:1777 [inline] ext4_da_get_block_prep+0x555/0xab0 fs/ext4/inode.c:1817 __block_write_begin_int+0x417/0xfa0 fs/buffer.c:2105 __block_write_begin+0x5e/0x110 fs/buffer.c:2154 ext4_da_write_begin+0x31e/0x550 fs/ext4/inode.c:2896 generic_perform_write+0x1d5/0x410 mm/filemap.c:3974 ext4_buffered_write_iter+0x1f6/0x380 fs/ext4/file.c:299 ext4_file_write_iter+0x29f/0xe30 __kernel_write_iter+0x265/0x490 fs/read_write.c:523 dump_emit_page fs/coredump.c:890 [inline] dump_user_range+0x3a7/0x550 fs/coredump.c:951 elf_core_dump+0x1aa6/0x1bc0 fs/binfmt_elf.c:2077 do_coredump+0x1033/0x1890 fs/coredump.c:764 get_signal+0xdc1/0x1080 kernel/signal.c:2896 arch_do_signal_or_restart+0x95/0x4b0 arch/x86/kernel/signal.c:310 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] irqentry_exit_to_user_mode+0x94/0x130 kernel/entry/common.c:231 irqentry_exit+0x12/0x50 kernel/entry/common.c:334 exc_general_protection+0x33d/0x4d0 arch/x86/kernel/traps.c:644 asm_exc_general_protection+0x26/0x30 arch/x86/include/asm/idtentry.h:617 read-write to 0xffff8881159d8978 of 8 bytes by interrupt on cpu 0: can_receive+0x1ca/0x1f0 net/can/af_can.c:672 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] nsim_dev_trap_report drivers/net/netdevsim/dev.c:820 [inline] nsim_dev_trap_report_work+0x4d5/0x5b0 drivers/net/netdevsim/dev.c:850 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: 0x0000000000006108 -> 0x0000000000006109 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 13520 Comm: kworker/0:6 Not tainted 6.9.0-rc1-syzkaller-00011-g498e47cd1d1f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 Workqueue: events nsim_dev_trap_report_work ================================================================== ================================================================== BUG: KCSAN: data-race in can_send / can_send read-write to 0xffff8881159d8910 of 8 bytes by interrupt on cpu 1: can_send+0x55c/0x5d0 net/can/af_can.c:289 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 0xffff8881159d8910 of 8 bytes by interrupt on cpu 0: can_send+0x55c/0x5d0 net/can/af_can.c:289 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] nsim_dev_trap_report drivers/net/netdevsim/dev.c:820 [inline] nsim_dev_trap_report_work+0x4d5/0x5b0 drivers/net/netdevsim/dev.c:850 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: 0x000000000006adff -> 0x000000000006ae00 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 13520 Comm: kworker/0:6 Not tainted 6.9.0-rc1-syzkaller-00011-g498e47cd1d1f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 Workqueue: events nsim_dev_trap_report_work ================================================================== ================================================================== BUG: KCSAN: data-race in can_receive / can_receive read-write to 0xffff8881159d8968 of 8 bytes by interrupt on cpu 1: can_receive+0x62/0x1f0 net/can/af_can.c:650 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+0x3db/0xac0 net/batman-adv/network-coding.c:720 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 0xffff8881159d8968 of 8 bytes by interrupt on cpu 0: can_receive+0x62/0x1f0 net/can/af_can.c:650 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] xt_replace_table+0x268/0x470 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:1154 [inline] do_ip6t_set_ctl+0x150f/0x1800 net/ipv6/netfilter/ip6_tables.c:1636 nf_setsockopt+0x195/0x1b0 net/netfilter/nf_sockopt.c:101 ipv6_setsockopt+0x126/0x140 net/ipv6/ipv6_sockglue.c:999 tcp_setsockopt+0x93/0xb0 net/ipv4/tcp.c:3735 sock_common_setsockopt+0x64/0x80 net/core/sock.c:3727 do_sock_setsockopt net/socket.c:2311 [inline] __sys_setsockopt+0x1d8/0x250 net/socket.c:2334 __do_sys_setsockopt net/socket.c:2343 [inline] __se_sys_setsockopt net/socket.c:2340 [inline] __x64_sys_setsockopt+0x66/0x80 net/socket.c:2340 do_syscall_64+0xd3/0x1d0 entry_SYSCALL_64_after_hwframe+0x6d/0x75 value changed: 0x0000000000002bae -> 0x0000000000002baf Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 26388 Comm: syz-executor.4 Not tainted 6.9.0-rc1-syzkaller-00011-g498e47cd1d1f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 ================================================================== ================================================================== BUG: KCSAN: data-race in can_rcv_filter / can_rcv_filter read-write to 0xffff888100edf298 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] 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 0xffff888100edf298 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+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: 0x000000000003cff7 -> 0x000000000003cff8 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 3171 Comm: kworker/0:5 Not tainted 6.9.0-rc1-syzkaller-00011-g498e47cd1d1f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 Workqueue: wg-crypt-wg0 wg_packet_encrypt_worker ================================================================== ================================================================== BUG: KCSAN: data-race in can_send / can_send read-write to 0xffff8881159d8970 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 invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu kernel/softirq.c:633 [inline] irq_exit_rcu+0x3c/0x90 kernel/softirq.c:645 common_interrupt+0x81/0x90 arch/x86/kernel/irq.c:247 asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:693 kcsan_setup_watchpoint+0x404/0x410 kernel/kcsan/core.c:705 crc32_body lib/crc32.c:110 [inline] crc32_le_generic lib/crc32.c:179 [inline] __crc32c_le_base+0xbe/0x520 lib/crc32.c:201 chksum_update+0x32/0x50 crypto/crc32c_generic.c:88 crypto_shash_update+0x4a/0x60 crypto/shash.c:70 jbd2_chksum include/linux/jbd2.h:1801 [inline] jbd2_block_tag_csum_set fs/jbd2/commit.c:334 [inline] jbd2_journal_commit_transaction+0x1238/0x33d0 fs/jbd2/commit.c:684 kjournald2+0x243/0x430 fs/jbd2/journal.c:201 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 0xffff8881159d8970 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 value changed: 0x000000000001683f -> 0x0000000000016840 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 14 Comm: ksoftirqd/0 Not tainted 6.9.0-rc1-syzkaller-00011-g498e47cd1d1f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 ================================================================== ================================================================== BUG: KCSAN: data-race in can_receive / can_receive read-write to 0xffff8881159d8918 of 8 bytes by interrupt on cpu 1: can_receive+0x1b6/0x1f0 net/can/af_can.c:671 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 0xffff8881159d8918 of 8 bytes by interrupt on cpu 0: can_receive+0x1b6/0x1f0 net/can/af_can.c:671 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: 0x00000000000578b1 -> 0x00000000000578b2 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 909 Comm: kworker/0:2 Not tainted 6.9.0-rc1-syzkaller-00011-g498e47cd1d1f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 Workqueue: wg-crypt-wg0 wg_packet_encrypt_worker ================================================================== ================================================================== BUG: KCSAN: data-race in can_receive / can_receive read-write to 0xffff8881159d8908 of 8 bytes by interrupt on cpu 1: can_receive+0x4e/0x1f0 net/can/af_can.c:649 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 0xffff8881159d8908 of 8 bytes by interrupt on cpu 0: can_receive+0x4e/0x1f0 net/can/af_can.c:649 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: 0x000000000005dd04 -> 0x000000000005dd05 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 3168 Comm: kworker/0:3 Not tainted 6.9.0-rc1-syzkaller-00011-g498e47cd1d1f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 Workqueue: wg-crypt-wg0 wg_packet_encrypt_worker ================================================================== ================================================================== BUG: KCSAN: data-race in can_receive / can_receive read-write to 0xffff8881159d8978 of 8 bytes by interrupt on cpu 1: can_receive+0x1ca/0x1f0 net/can/af_can.c:672 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 read-write to 0xffff8881159d8978 of 8 bytes by interrupt on cpu 0: can_receive+0x1ca/0x1f0 net/can/af_can.c:672 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: 0x00000000000090a7 -> 0x00000000000090a8 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 13520 Comm: kworker/0:6 Not tainted 6.9.0-rc1-syzkaller-00011-g498e47cd1d1f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 Workqueue: wg-crypt-wg1 wg_packet_tx_worker ================================================================== ================================================================== BUG: KCSAN: data-race in can_receive / can_receive read-write to 0xffff8881159d8968 of 8 bytes by interrupt on cpu 1: can_receive+0x62/0x1f0 net/can/af_can.c:650 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 0xffff8881159d8968 of 8 bytes by interrupt on cpu 0: can_receive+0x62/0x1f0 net/can/af_can.c:650 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_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_socket_send_buffer_to_peer+0xd6/0x100 drivers/net/wireguard/socket.c:200 wg_packet_send_handshake_initiation drivers/net/wireguard/send.c:40 [inline] wg_packet_handshake_send_worker+0x10c/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 value changed: 0x0000000000000cec -> 0x0000000000000ced Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 11247 Comm: kworker/u8:7 Not tainted 6.9.0-rc1-syzkaller-00011-g498e47cd1d1f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 Workqueue: wg-kex-wg0 wg_packet_handshake_send_worker ================================================================== ================================================================== BUG: KCSAN: data-race in can_rcv_filter / can_rcv_filter read-write to 0xffff888100edf428 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 read-write to 0xffff888100edf428 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 local_bh_enable include/linux/bottom_half.h:33 [inline] update_defense_level+0x5d5/0x610 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: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: 0x0000000000071093 -> 0x0000000000071094 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 3171 Comm: kworker/0:5 Not tainted 6.9.0-rc1-syzkaller-00011-g498e47cd1d1f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 Workqueue: events_long defense_work_handler ================================================================== ================================================================== BUG: KCSAN: data-race in can_receive / can_receive read-write to 0xffff8881159d8908 of 8 bytes by interrupt on cpu 1: can_receive+0x4e/0x1f0 net/can/af_can.c:649 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 0xffff8881159d8908 of 8 bytes by interrupt on cpu 0: can_receive+0x4e/0x1f0 net/can/af_can.c:649 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 value changed: 0x000000000008ebf6 -> 0x000000000008ebf7 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 39 Comm: kworker/u8:2 Not tainted 6.9.0-rc1-syzkaller-00011-g498e47cd1d1f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 Workqueue: bat_events batadv_nc_worker ================================================================== ================================================================== BUG: KCSAN: data-race in can_receive / can_receive read-write to 0xffff8881159d8978 of 8 bytes by interrupt on cpu 1: can_receive+0x1ca/0x1f0 net/can/af_can.c:672 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] tcp_sendmsg+0x22/0x50 net/ipv4/tcp.c:1341 inet_sendmsg+0x77/0xd0 net/ipv4/af_inet.c:851 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x102/0x180 net/socket.c:745 sock_write_iter+0x164/0x1b0 net/socket.c:1160 call_write_iter include/linux/fs.h:2108 [inline] new_sync_write fs/read_write.c:497 [inline] vfs_write+0x771/0x8e0 fs/read_write.c:590 ksys_write+0xeb/0x1b0 fs/read_write.c:643 __do_sys_write fs/read_write.c:655 [inline] __se_sys_write fs/read_write.c:652 [inline] __x64_sys_write+0x42/0x50 fs/read_write.c:652 do_syscall_64+0xd3/0x1d0 entry_SYSCALL_64_after_hwframe+0x6d/0x75 read-write to 0xffff8881159d8978 of 8 bytes by interrupt on cpu 0: can_receive+0x1ca/0x1f0 net/can/af_can.c:672 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 value changed: 0x000000000000aeff -> 0x000000000000af00 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 39 Comm: kworker/u8:2 Not tainted 6.9.0-rc1-syzkaller-00011-g498e47cd1d1f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 Workqueue: bat_events batadv_nc_worker ================================================================== ================================================================== BUG: KCSAN: data-race in can_send / can_send read-write to 0xffff8881159d8910 of 8 bytes by interrupt on cpu 1: can_send+0x55c/0x5d0 net/can/af_can.c:289 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 0xffff8881159d8910 of 8 bytes by interrupt on cpu 0: can_send+0x55c/0x5d0 net/can/af_can.c:289 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 value changed: 0x0000000000128359 -> 0x000000000012835b Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 39 Comm: kworker/u8:2 Not tainted 6.9.0-rc1-syzkaller-00011-g498e47cd1d1f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 Workqueue: bat_events batadv_nc_worker ================================================================== ================================================================== BUG: KCSAN: data-race in can_can_gw_rcv / can_can_gw_rcv read-write to 0xffff888143ff8358 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_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+0x3db/0xac0 net/batman-adv/network-coding.c:720 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 0xffff888143ff8358 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 invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu kernel/softirq.c:633 [inline] irq_exit_rcu+0x3c/0x90 kernel/softirq.c:645 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x73/0x80 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 ext4_inode_bitmap+0x0/0x80 fs/ext4/super.c:317 ext4_read_inode_bitmap+0x51/0xc20 fs/ext4/ialloc.c:136 __ext4_new_inode+0xc16/0x2270 fs/ext4/ialloc.c:1054 ext4_symlink+0x242/0x5a0 fs/ext4/namei.c:3395 vfs_symlink+0xca/0x1b0 fs/namei.c:4484 do_symlinkat+0xe3/0x350 fs/namei.c:4510 __do_sys_symlinkat fs/namei.c:4526 [inline] __se_sys_symlinkat fs/namei.c:4523 [inline] __x64_sys_symlinkat+0x62/0x70 fs/namei.c:4523 do_syscall_64+0xd3/0x1d0 entry_SYSCALL_64_after_hwframe+0x6d/0x75 value changed: 0x000b428c -> 0x000b428d Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 30533 Comm: syz-executor.4 Not tainted 6.9.0-rc1-syzkaller-00011-g498e47cd1d1f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 ================================================================== ================================================================== BUG: KCSAN: data-race in can_receive / can_receive read-write to 0xffff8881159d8918 of 8 bytes by interrupt on cpu 1: can_receive+0x1b6/0x1f0 net/can/af_can.c:671 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] htable_selective_cleanup+0x179/0x1d0 net/netfilter/xt_hashlimit.c:374 htable_put+0x169/0x1a0 net/netfilter/xt_hashlimit.c:430 hashlimit_mt_destroy_v1+0x2c/0x40 net/netfilter/xt_hashlimit.c:970 cleanup_match net/ipv6/netfilter/ip6_tables.c:477 [inline] find_check_entry net/ipv6/netfilter/ip6_tables.c:581 [inline] translate_table+0xdf1/0x1040 net/ipv6/netfilter/ip6_tables.c:733 do_replace net/ipv6/netfilter/ip6_tables.c:1150 [inline] do_ip6t_set_ctl+0x14bf/0x1800 net/ipv6/netfilter/ip6_tables.c:1636 nf_setsockopt+0x195/0x1b0 net/netfilter/nf_sockopt.c:101 ipv6_setsockopt+0x126/0x140 net/ipv6/ipv6_sockglue.c:999 rawv6_setsockopt+0x21e/0x410 net/ipv6/raw.c:1054 sock_common_setsockopt+0x64/0x80 net/core/sock.c:3727 do_sock_setsockopt net/socket.c:2311 [inline] __sys_setsockopt+0x1d8/0x250 net/socket.c:2334 __do_sys_setsockopt net/socket.c:2343 [inline] __se_sys_setsockopt net/socket.c:2340 [inline] __x64_sys_setsockopt+0x66/0x80 net/socket.c:2340 do_syscall_64+0xd3/0x1d0 entry_SYSCALL_64_after_hwframe+0x6d/0x75 read-write to 0xffff8881159d8918 of 8 bytes by interrupt on cpu 0: can_receive+0x1b6/0x1f0 net/can/af_can.c:671 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: 0x00000000000b86aa -> 0x00000000000b86ab Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 14 Comm: ksoftirqd/0 Not tainted 6.9.0-rc1-syzkaller-00011-g498e47cd1d1f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 ==================================================================