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BUG: KCSAN: data-race in virtqueue_disable_cb / vring_interrupt

write to 0xffff88810335b55a of 1 bytes by interrupt on cpu 1:
 vring_interrupt+0x128/0x170 drivers/virtio/virtio_ring.c:2487
 __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:819
 generic_handle_irq_desc include/linux/irqdesc.h:158 [inline]
 handle_irq arch/x86/kernel/irq.c:231 [inline]
 __common_interrupt+0x3c/0xb0 arch/x86/kernel/irq.c:250
 common_interrupt+0x7a/0x90 arch/x86/kernel/irq.c:240
 asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:636
 kmem_cache_free+0x18b/0x280
 anon_vma_chain_free mm/rmap.c:146 [inline]
 unlink_anon_vmas+0x160/0x340 mm/rmap.c:421
 free_pgtables+0x17e/0x270 mm/memory.c:383
 exit_mmap+0x251/0x5a0 mm/mmap.c:3079
 __mmput+0x28/0x1c0 kernel/fork.c:1208
 mmput+0x49/0x60 kernel/fork.c:1230
 exit_mm+0xe1/0x180 kernel/exit.c:563
 do_exit+0x558/0x1660 kernel/exit.c:856
 do_group_exit+0x101/0x150 kernel/exit.c:1019
 get_signal+0xeb1/0xff0 kernel/signal.c:2874
 arch_do_signal_or_restart+0x89/0x2a0 arch/x86/kernel/signal.c:306
 exit_to_user_mode_loop+0x6f/0xe0 kernel/entry/common.c:168
 exit_to_user_mode_prepare+0x6c/0xb0 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
 syscall_exit_to_user_mode+0x26/0x140 kernel/entry/common.c:297
 do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

read to 0xffff88810335b55a of 1 bytes by task 3993 on cpu 0:
 virtqueue_disable_cb+0x1b/0x170 drivers/virtio/virtio_ring.c:2336
 start_xmit+0xc0/0xaa0 drivers/net/virtio_net.c:2007
 __netdev_start_xmit include/linux/netdevice.h:4884 [inline]
 netdev_start_xmit include/linux/netdevice.h:4898 [inline]
 xmit_one net/core/dev.c:3581 [inline]
 dev_hard_start_xmit+0x11b/0x3f0 net/core/dev.c:3597
 sch_direct_xmit+0x1b0/0x570 net/sched/sch_generic.c:342
 __dev_xmit_skb net/core/dev.c:3808 [inline]
 __dev_queue_xmit+0xf4a/0x1e60 net/core/dev.c:4213
 dev_queue_xmit include/linux/netdevice.h:3054 [inline]
 neigh_hh_output include/net/neighbour.h:530 [inline]
 neigh_output include/net/neighbour.h:544 [inline]
 ip_finish_output2+0x6ff/0x840 net/ipv4/ip_output.c:228
 ip_finish_output+0xf4/0x240 net/ipv4/ip_output.c:316
 NF_HOOK_COND include/linux/netfilter.h:291 [inline]
 ip_output+0xe5/0x1b0 net/ipv4/ip_output.c:430
 dst_output include/net/dst.h:444 [inline]
 ip_local_out net/ipv4/ip_output.c:126 [inline]
 __ip_queue_xmit+0xa4d/0xa70 net/ipv4/ip_output.c:532
 ip_queue_xmit+0x38/0x40 net/ipv4/ip_output.c:546
 __tcp_transmit_skb+0x1165/0x16c0 net/ipv4/tcp_output.c:1399
 __tcp_send_ack+0x1e0/0x2d0 net/ipv4/tcp_output.c:3983
 tcp_send_ack+0x27/0x30 net/ipv4/tcp_output.c:3989
 __tcp_cleanup_rbuf+0x145/0x250 net/ipv4/tcp.c:1618
 tcp_cleanup_rbuf net/ipv4/tcp.c:1629 [inline]
 tcp_recvmsg_locked+0x109d/0x1540 net/ipv4/tcp.c:2651
 tcp_recvmsg+0x13b/0x490 net/ipv4/tcp.c:2681
 inet_recvmsg+0xa2/0x210 net/ipv4/af_inet.c:859
 sock_recvmsg_nosec net/socket.c:1017 [inline]
 sock_recvmsg net/socket.c:1038 [inline]
 sock_read_iter+0x1a0/0x210 net/socket.c:1116
 call_read_iter include/linux/fs.h:1845 [inline]
 new_sync_read fs/read_write.c:389 [inline]
 vfs_read+0x39a/0x560 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: 0x00 -> 0x01

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 3993 Comm: syz-fuzzer Tainted: G        W          6.3.0-syzkaller-04626-g0cfd8703e7da #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
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