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BUG: KCSAN: data-race in audit_log_start / skb_dequeue

read to 0xffffffff8624d660 of 4 bytes by task 23733 on cpu 1:
 audit_log_start kernel/audit.c:1768 [inline]
 audit_log_start+0xf9/0x610 kernel/audit.c:1744
 integrity_audit_msg+0xb0/0x270 security/integrity/integrity_audit.c:38
 ima_collect_measurement+0x387/0x3e0 security/integrity/ima/ima_api.c:271
 process_measurement+0x9e3/0x1190 security/integrity/ima/ima_main.c:326
 ima_file_check+0x7e/0xb0 security/integrity/ima/ima_main.c:442
 do_last fs/namei.c:3424 [inline]
 path_openat+0xfdb/0x3580 fs/namei.c:3537
 do_filp_open+0x11e/0x1b0 fs/namei.c:3567
 do_sys_open+0x3b3/0x4f0 fs/open.c:1097
 __do_sys_open fs/open.c:1115 [inline]
 __se_sys_open fs/open.c:1110 [inline]
 __x64_sys_open+0x55/0x70 fs/open.c:1110
 do_syscall_64+0xcc/0x3a0 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

write to 0xffffffff8624d660 of 4 bytes by task 27 on cpu 0:
 __skb_unlink include/linux/skbuff.h:2022 [inline]
 __skb_dequeue include/linux/skbuff.h:2042 [inline]
 skb_dequeue+0x84/0x150 net/core/skbuff.c:3040
 kauditd_send_queue+0x3e/0x220 kernel/audit.c:720
 kauditd_thread+0x483/0x560 kernel/audit.c:854
 kthread+0x1d4/0x200 drivers/block/aoe/aoecmd.c:1253
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:352

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 27 Comm: kauditd Not tainted 5.5.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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