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BUG: KCSAN: data-race in virtqueue_disable_cb / virtqueue_disable_cb

write to 0xffff88810292aa78 of 2 bytes by interrupt on cpu 0:
 virtqueue_disable_cb_split drivers/virtio/virtio_ring.c:886 [inline]
 virtqueue_disable_cb+0x85/0x180 drivers/virtio/virtio_ring.c:2446
 skb_xmit_done+0x5f/0x140 drivers/net/virtio_net.c:533
 vring_interrupt+0x157/0x180 drivers/virtio/virtio_ring.c:2595
 __handle_irq_event_percpu+0x95/0x490 kernel/irq/handle.c:158
 handle_irq_event_percpu kernel/irq/handle.c:193 [inline]
 handle_irq_event+0x64/0xf0 kernel/irq/handle.c:210
 handle_edge_irq+0x16d/0x5b0 kernel/irq/chip.c:831
 generic_handle_irq_desc include/linux/irqdesc.h:161 [inline]
 handle_irq arch/x86/kernel/irq.c:238 [inline]
 __common_interrupt+0x58/0xf0 arch/x86/kernel/irq.c:257
 common_interrupt+0x7c/0x90 arch/x86/kernel/irq.c:247
 asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:693
 check_kcov_mode kernel/kcov.c:175 [inline]
 write_comp_data kernel/kcov.c:236 [inline]
 __sanitizer_cov_trace_const_cmp8+0x35/0x90 kernel/kcov.c:311
 __copy_present_ptes mm/memory.c:946 [inline]
 copy_present_ptes mm/memory.c:1036 [inline]
 copy_pte_range mm/memory.c:1151 [inline]
 copy_pmd_range mm/memory.c:1238 [inline]
 copy_pud_range mm/memory.c:1275 [inline]
 copy_p4d_range mm/memory.c:1299 [inline]
 copy_page_range+0xd35/0x2a40 mm/memory.c:1397
 dup_mmap kernel/fork.c:751 [inline]
 dup_mm kernel/fork.c:1688 [inline]
 copy_mm+0x95a/0x1040 kernel/fork.c:1737
 copy_process+0xee1/0x1f80 kernel/fork.c:2390
 kernel_clone+0x16a/0x570 kernel/fork.c:2797
 __do_sys_clone kernel/fork.c:2940 [inline]
 __se_sys_clone kernel/fork.c:2924 [inline]
 __x64_sys_clone+0xe8/0x120 kernel/fork.c:2924
 x64_sys_call+0x23cb/0x2d30 arch/x86/include/generated/asm/syscalls_64.h:57
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x1d0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

read to 0xffff88810292aa78 of 2 bytes by task 3095 on cpu 1:
 virtqueue_disable_cb_split drivers/virtio/virtio_ring.c:885 [inline]
 virtqueue_disable_cb+0x63/0x180 drivers/virtio/virtio_ring.c:2446
 start_xmit+0x125/0xb60 drivers/net/virtio_net.c:2415
 __netdev_start_xmit include/linux/netdevice.h:4903 [inline]
 netdev_start_xmit include/linux/netdevice.h:4917 [inline]
 xmit_one net/core/dev.c:3531 [inline]
 dev_hard_start_xmit+0x119/0x3f0 net/core/dev.c:3547
 sch_direct_xmit+0x1b0/0x580 net/sched/sch_generic.c:343
 __dev_xmit_skb net/core/dev.c:3760 [inline]
 __dev_queue_xmit+0xee7/0x1e50 net/core/dev.c:4307
 dev_queue_xmit include/linux/netdevice.h:3091 [inline]
 neigh_hh_output include/net/neighbour.h:526 [inline]
 neigh_output include/net/neighbour.h:540 [inline]
 ip_finish_output2+0x73b/0x8b0 net/ipv4/ip_output.c:235
 ip_finish_output+0x11a/0x2a0 net/ipv4/ip_output.c:323
 NF_HOOK_COND include/linux/netfilter.h:303 [inline]
 ip_output+0xab/0x170 net/ipv4/ip_output.c:433
 dst_output include/net/dst.h:450 [inline]
 ip_local_out net/ipv4/ip_output.c:129 [inline]
 __ip_queue_xmit+0xbca/0xbf0 net/ipv4/ip_output.c:535
 ip_queue_xmit+0x38/0x50 net/ipv4/ip_output.c:549
 __tcp_transmit_skb+0x15b0/0x1970 net/ipv4/tcp_output.c:1462
 __tcp_send_ack+0x1de/0x2e0 net/ipv4/tcp_output.c:4232
 tcp_send_ack+0x27/0x30 net/ipv4/tcp_output.c:4238
 __tcp_cleanup_rbuf+0x149/0x280 net/ipv4/tcp.c:1492
 tcp_cleanup_rbuf net/ipv4/tcp.c:1503 [inline]
 tcp_recvmsg_locked+0x107b/0x1540 net/ipv4/tcp.c:2548
 tcp_recvmsg+0x13c/0x490 net/ipv4/tcp.c:2578
 inet_recvmsg+0xbd/0x290 net/ipv4/af_inet.c:883
 sock_recvmsg_nosec net/socket.c:1046 [inline]
 sock_recvmsg+0xfe/0x170 net/socket.c:1068
 sock_read_iter+0x152/0x1a0 net/socket.c:1138
 call_read_iter include/linux/fs.h:2104 [inline]
 new_sync_read fs/read_write.c:395 [inline]
 vfs_read+0x5bc/0x6b0 fs/read_write.c:476
 ksys_read+0xeb/0x1b0 fs/read_write.c:619
 __do_sys_read fs/read_write.c:629 [inline]
 __se_sys_read fs/read_write.c:627 [inline]
 __x64_sys_read+0x42/0x50 fs/read_write.c:627
 x64_sys_call+0x27ad/0x2d30 arch/x86/include/generated/asm/syscalls_64.h:1
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x1d0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

value changed: 0x0000 -> 0x0001

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 3095 Comm: syz-fuzzer Not tainted 6.9.0-rc6-syzkaller-00046-g18daea77cca6 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
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