================================================================== BUG: KCSAN: assert: race in __block_task kernel/sched/sched.h:2634 [inline] BUG: KCSAN: assert: race in dequeue_entities+0x6df/0x760 kernel/sched/fair.c:7168 race at unknown origin, with assert no writes to 0xffff88810432d2e8 of 4 bytes by task 29 on cpu 0: __block_task kernel/sched/sched.h:2634 [inline] dequeue_entities+0x6df/0x760 kernel/sched/fair.c:7168 pick_next_entity kernel/sched/fair.c:5618 [inline] pick_task_fair kernel/sched/fair.c:8847 [inline] pick_next_task_fair+0x7d/0x410 kernel/sched/fair.c:8867 __pick_next_task kernel/sched/core.c:5888 [inline] pick_next_task kernel/sched/core.c:6410 [inline] __schedule+0x27c/0x940 kernel/sched/core.c:6561 __schedule_loop kernel/sched/core.c:6684 [inline] schedule+0x55/0xc0 kernel/sched/core.c:6699 kauditd_thread+0x56b/0x650 kernel/audit.c:911 kthread+0x1d1/0x210 kernel/kthread.c:389 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 value changed: 0x00000000 -> 0x00000001 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 29 Comm: kauditd Tainted: G W 6.11.0-syzkaller-07341-gbaeb9a7d8b60 #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 ================================================================== kauditd_printk_skb: 344 callbacks suppressed audit: type=1400 audit(1726855491.378:15887): avc: denied { egress } for pid=15 comm="ksoftirqd/0" saddr=fe80::1b daddr=ff02::2 netif=gretap0 scontext=system_u:object_r:unlabeled_t tcontext=system_u:object_r:netif_t tclass=netif permissive=0 audit: type=1400 audit(1726855491.828:15888): avc: denied { execmem } for pid=1260 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=0 audit: type=1400 audit(1726855492.658:15889): avc: denied { egress } for pid=28 comm="kworker/u8:1" saddr=fe80::1c daddr=ff02::2 netif=gretap0 scontext=system_u:object_r:unlabeled_t tcontext=system_u:object_r:netif_t tclass=netif permissive=0 audit: type=1400 audit(1726855492.838:15890): avc: denied { execmem } for pid=1261 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=0 audit: type=1400 audit(1726855493.958:15891): avc: denied { execmem } for pid=1262 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=0 audit: type=1400 audit(1726855494.258:15892): avc: denied { recv } for pid=0 comm="swapper/0" saddr=10.128.0.163 src=30030 daddr=10.128.0.109 dest=47312 netif=eth0 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=peer permissive=0 audit: type=1400 audit(1726855494.258:15893): avc: denied { recv } for pid=0 comm="swapper/0" saddr=10.128.0.163 src=30030 daddr=10.128.0.109 dest=47312 netif=eth0 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=peer permissive=0 audit: type=1400 audit(1726855494.588:15894): avc: denied { egress } for pid=23 comm="ksoftirqd/1" saddr=fe80::1c daddr=ff02::2 netif=gretap0 scontext=system_u:object_r:unlabeled_t tcontext=system_u:object_r:netif_t tclass=netif permissive=0 audit: type=1400 audit(1726855494.588:15895): avc: denied { egress } for pid=23 comm="ksoftirqd/1" saddr=fe80::1c daddr=ff02::2 netif=gretap0 scontext=system_u:object_r:unlabeled_t tcontext=system_u:object_r:netif_t tclass=netif permissive=0 audit: type=1400 audit(1726855495.168:15896): avc: denied { execmem } for pid=1263 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=0 kauditd_printk_skb: 2 callbacks suppressed audit: type=1400 audit(1726855496.478:15899): avc: denied { execmem } for pid=1264 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=0