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BUG: KCSAN: data-race in pollwake / pollwake

write to 0xffffc90000997c30 of 4 bytes by interrupt on cpu 1:
 __pollwake fs/select.c:198 [inline]
 pollwake+0xbe/0x110 fs/select.c:218
 __wake_up_common+0xb3/0x130 kernel/sched/wait.c:107
 __wake_up_common_lock kernel/sched/wait.c:138 [inline]
 __wake_up_sync_key+0x82/0xc0 kernel/sched/wait.c:213
 sock_def_readable+0x70/0x1b0 net/core/sock.c:3324
 tcp_data_ready+0x1aa/0x280 net/ipv4/tcp_input.c:5035
 tcp_data_queue+0x1327/0x2b80 net/ipv4/tcp_input.c:5115
 tcp_rcv_established+0x60c/0xea0 net/ipv4/tcp_input.c:6054
 tcp_v4_do_rcv+0x2d4/0x630 net/ipv4/tcp_ipv4.c:1728
 tcp_v4_rcv+0x1ade/0x1d60 net/ipv4/tcp_ipv4.c:2151
 ip_protocol_deliver_rcu+0x356/0x6d0 net/ipv4/ip_input.c:205
 ip_local_deliver_finish+0x13c/0x1a0 net/ipv4/ip_input.c:233
 NF_HOOK include/linux/netfilter.h:304 [inline]
 ip_local_deliver+0xec/0x1c0 net/ipv4/ip_input.c:254
 dst_input include/net/dst.h:468 [inline]
 ip_sublist_rcv_finish net/ipv4/ip_input.c:580 [inline]
 ip_list_rcv_finish net/ipv4/ip_input.c:631 [inline]
 ip_sublist_rcv+0x4f0/0x5c0 net/ipv4/ip_input.c:639
 ip_list_rcv+0x25e/0x290 net/ipv4/ip_input.c:674
 __netif_receive_skb_list_ptype net/core/dev.c:5595 [inline]
 __netif_receive_skb_list_core+0x356/0x460 net/core/dev.c:5643
 __netif_receive_skb_list net/core/dev.c:5695 [inline]
 netif_receive_skb_list_internal+0x4e6/0x660 net/core/dev.c:5786
 gro_normal_list include/net/gro.h:439 [inline]
 napi_complete_done+0x1cb/0x450 net/core/dev.c:6126
 virtqueue_napi_complete drivers/net/virtio_net.c:440 [inline]
 virtnet_poll+0x7f4/0xb40 drivers/net/virtio_net.c:2155
 __napi_poll+0x60/0x3b0 net/core/dev.c:6556
 napi_poll net/core/dev.c:6623 [inline]
 net_rx_action+0x32b/0x750 net/core/dev.c:6756
 __do_softirq+0xc1/0x265 kernel/softirq.c:553
 invoke_softirq kernel/softirq.c:427 [inline]
 __irq_exit_rcu kernel/softirq.c:632 [inline]
 irq_exit_rcu+0x3b/0x90 kernel/softirq.c:644
 common_interrupt+0x7f/0x90 arch/x86/kernel/irq.c:247
 asm_common_interrupt+0x26/0x40 arch/x86/include/asm/idtentry.h:636
 preempt_count arch/x86/include/asm/preempt.h:27 [inline]
 get_ctx kernel/kcsan/core.c:206 [inline]
 check_access kernel/kcsan/core.c:750 [inline]
 __tsan_read4+0xba/0x180 kernel/kcsan/core.c:1024
 crc32_body lib/crc32.c:110 [inline]
 crc32_le_generic lib/crc32.c:179 [inline]
 __crc32c_le_base+0xd4/0x520 lib/crc32.c:201
 chksum_update+0x32/0x50 crypto/crc32c_generic.c:88
 crypto_shash_update+0x136/0x1a0 crypto/shash.c:134
 ext4_chksum fs/ext4/ext4.h:2462 [inline]
 ext4_inode_csum+0xda/0x4b0 fs/ext4/inode.c:61
 ext4_inode_csum_set fs/ext4/inode.c:115 [inline]
 ext4_fill_raw_inode+0xd26/0xe70 fs/ext4/inode.c:4337
 ext4_do_update_inode fs/ext4/inode.c:5094 [inline]
 ext4_mark_iloc_dirty+0x2e9/0xe20 fs/ext4/inode.c:5723
 __ext4_mark_inode_dirty+0x314/0x440 fs/ext4/inode.c:5927
 ext4_dirty_inode+0x91/0xb0 fs/ext4/inode.c:5956
 __mark_inode_dirty+0x169/0x7d0 fs/fs-writeback.c:2435
 mark_inode_dirty include/linux/fs.h:2237 [inline]
 dquot_alloc_space include/linux/quotaops.h:320 [inline]
 dquot_alloc_block include/linux/quotaops.h:337 [inline]
 ext4_mb_new_blocks+0x103e/0x21e0 fs/ext4/mballoc.c:6191
 ext4_ext_map_blocks+0x1086/0x3640 fs/ext4/extents.c:4285
 ext4_map_blocks+0x704/0xf60 fs/ext4/inode.c:621
 ext4_getblk+0x112/0x4e0 fs/ext4/inode.c:819
 ext4_bread+0x2c/0x110 fs/ext4/inode.c:875
 ext4_append+0x164/0x2a0 fs/ext4/namei.c:83
 ext4_init_new_dir+0x17b/0x510 fs/ext4/namei.c:2981
 ext4_mkdir+0x312/0x740 fs/ext4/namei.c:3027
 vfs_mkdir+0x1ac/0x2b0 fs/namei.c:4121
 do_mkdirat+0xf9/0x270 fs/namei.c:4144
 __do_sys_mkdirat fs/namei.c:4159 [inline]
 __se_sys_mkdirat fs/namei.c:4157 [inline]
 __x64_sys_mkdirat+0x50/0x60 fs/namei.c:4157
 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 0xffffc90000997c30 of 4 bytes by task 3090 on cpu 0:
 __pollwake fs/select.c:198 [inline]
 pollwake+0xbe/0x110 fs/select.c:218
 __wake_up_common+0xb3/0x130 kernel/sched/wait.c:107
 __wake_up_common_lock kernel/sched/wait.c:138 [inline]
 __wake_up_sync_key+0x82/0xc0 kernel/sched/wait.c:213
 pipe_write+0x9db/0xdb0 fs/pipe.c:595
 call_write_iter include/linux/fs.h:1956 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x4ab/0x7d0 fs/read_write.c:584
 ksys_write+0xeb/0x1a0 fs/read_write.c:637
 __do_sys_write fs/read_write.c:649 [inline]
 __se_sys_write fs/read_write.c:646 [inline]
 __x64_sys_write+0x42/0x50 fs/read_write.c:646
 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: 0x00000000 -> 0x00000001

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 3090 Comm: syz-fuzzer Not tainted 6.6.0-rc7-syzkaller-00195-g2af9b20dbb39 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
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