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BUG: KCSAN: data-race in virtqueue_disable_cb / virtqueue_disable_cb

read to 0xffff88810316bf78 of 2 bytes by interrupt on cpu 0:
 virtqueue_disable_cb_split drivers/virtio/virtio_ring.c:855 [inline]
 virtqueue_disable_cb+0x63/0x180 drivers/virtio/virtio_ring.c:2352
 skb_xmit_done+0x5f/0x140 drivers/net/virtio_net.c:422
 vring_interrupt+0x150/0x170 drivers/virtio/virtio_ring.c:2501
 __handle_irq_event_percpu+0x91/0x490 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+0x167/0x590 kernel/irq/chip.c:834
 generic_handle_irq_desc include/linux/irqdesc.h:161 [inline]
 handle_irq arch/x86/kernel/irq.c:238 [inline]
 __common_interrupt+0x3c/0xb0 arch/x86/kernel/irq.c:257
 common_interrupt+0x7a/0x90 arch/x86/kernel/irq.c:247
 asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:636
 rep_movs_alternative+0x4a/0xb0 arch/x86/lib/copy_user_64.S:65
 copy_user_generic arch/x86/include/asm/uaccess_64.h:112 [inline]
 raw_copy_to_user arch/x86/include/asm/uaccess_64.h:133 [inline]
 _copy_to_user+0x77/0x90 lib/usercopy.c:41
 copy_to_user include/linux/uaccess.h:191 [inline]
 do_ebt_get_ctl+0x767/0x11e0 net/bridge/netfilter/ebtables.c:2485
 nf_getsockopt+0x184/0x1a0 net/netfilter/nf_sockopt.c:116
 ip_getsockopt+0x126/0x170 net/ipv4/ip_sockglue.c:1825
 tcp_getsockopt+0xa7/0xd0 net/ipv4/tcp.c:4304
 sock_common_getsockopt+0x57/0x70 net/core/sock.c:3659
 __sys_getsockopt+0x17b/0x1e0 net/socket.c:2307
 __do_sys_getsockopt net/socket.c:2322 [inline]
 __se_sys_getsockopt net/socket.c:2319 [inline]
 __x64_sys_getsockopt+0x66/0x80 net/socket.c:2319
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

write to 0xffff88810316bf78 of 2 bytes by task 3267 on cpu 1:
 virtqueue_disable_cb_split drivers/virtio/virtio_ring.c:856 [inline]
 virtqueue_disable_cb+0x85/0x180 drivers/virtio/virtio_ring.c:2352
 start_xmit+0xf0/0xae0 drivers/net/virtio_net.c:2149
 __netdev_start_xmit include/linux/netdevice.h:4910 [inline]
 netdev_start_xmit include/linux/netdevice.h:4924 [inline]
 xmit_one net/core/dev.c:3537 [inline]
 dev_hard_start_xmit+0x11b/0x3f0 net/core/dev.c:3553
 sch_direct_xmit+0x1b0/0x570 net/sched/sch_generic.c:342
 __dev_xmit_skb net/core/dev.c:3764 [inline]
 __dev_queue_xmit+0xe5f/0x1d10 net/core/dev.c:4169
 dev_queue_xmit include/linux/netdevice.h:3088 [inline]
 neigh_hh_output include/net/neighbour.h:528 [inline]
 neigh_output include/net/neighbour.h:542 [inline]
 ip_finish_output2+0x700/0x840 net/ipv4/ip_output.c:230
 ip_finish_output+0xf4/0x240 net/ipv4/ip_output.c:318
 NF_HOOK_COND include/linux/netfilter.h:292 [inline]
 ip_output+0xe5/0x1b0 net/ipv4/ip_output.c:432
 dst_output include/net/dst.h:458 [inline]
 ip_local_out net/ipv4/ip_output.c:127 [inline]
 __ip_queue_xmit+0xa4d/0xa70 net/ipv4/ip_output.c:534
 ip_queue_xmit+0x38/0x40 net/ipv4/ip_output.c:548
 __tcp_transmit_skb+0x1231/0x1710 net/ipv4/tcp_output.c:1401
 __tcp_send_ack+0x1de/0x2d0 net/ipv4/tcp_output.c:4072
 tcp_send_ack+0x27/0x30 net/ipv4/tcp_output.c:4078
 __tcp_cleanup_rbuf+0x149/0x260 net/ipv4/tcp.c:1483
 tcp_cleanup_rbuf net/ipv4/tcp.c:1494 [inline]
 tcp_recvmsg_locked+0x109d/0x1540 net/ipv4/tcp.c:2536
 tcp_recvmsg+0x13b/0x490 net/ipv4/tcp.c:2566
 inet_recvmsg+0xa2/0x210 net/ipv4/af_inet.c:862
 sock_recvmsg_nosec net/socket.c:1020 [inline]
 sock_recvmsg net/socket.c:1041 [inline]
 sock_read_iter+0x1a0/0x210 net/socket.c:1107
 call_read_iter include/linux/fs.h:1865 [inline]
 new_sync_read fs/read_write.c:389 [inline]
 vfs_read+0x3da/0x5c0 fs/read_write.c:470
 ksys_read+0xeb/0x1a0 fs/read_write.c:613
 __do_sys_read fs/read_write.c:623 [inline]
 __se_sys_read fs/read_write.c:621 [inline]
 __x64_sys_read+0x42/0x50 fs/read_write.c:621
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

value changed: 0x0000 -> 0x0001

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 3267 Comm: syz-fuzzer Not tainted 6.5.0-rc4-syzkaller-00051-g7bafbd4027ae #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
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