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BUG: KCSAN: data-race in kauditd_thread / skb_queue_tail

write to 0xffffffff86042ea0 of 4 bytes by task 26047 on cpu 0:
 __skb_insert include/linux/skbuff.h:1853 [inline]
 __skb_queue_before include/linux/skbuff.h:1958 [inline]
 __skb_queue_tail include/linux/skbuff.h:1991 [inline]
 skb_queue_tail+0x99/0xc0 net/core/skbuff.c:3145
 audit_log_end+0xab/0x240 kernel/audit.c:2317
 integrity_audit_msg+0x229/0x270 security/integrity/integrity_audit.c:57
 ima_collect_measurement+0x35a/0x3b0 security/integrity/ima/ima_api.c:271
 process_measurement+0x983/0xff0 security/integrity/ima/ima_main.c:326
 ima_file_check+0x7e/0xb0 security/integrity/ima/ima_main.c:438
 do_last fs/namei.c:3412 [inline]
 path_openat+0xfb1/0x36e0 fs/namei.c:3525
 do_filp_open+0x11e/0x1b0 fs/namei.c:3555
 do_sys_open+0x3b3/0x4f0 fs/open.c:1097
 __do_sys_openat fs/open.c:1124 [inline]
 __se_sys_openat fs/open.c:1118 [inline]
 __x64_sys_openat+0x62/0x80 fs/open.c:1118
 do_syscall_64+0xcc/0x370 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x44/0xa9

read to 0xffffffff86042ea0 of 4 bytes by task 26 on cpu 1:
 kauditd_thread+0x2a6/0x480 kernel/audit.c:875
 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: 1 PID: 26 Comm: kauditd Not tainted 5.4.0-rc3+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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