audit: type=1326 audit(1629665590.027:29): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=10880 comm=202A3A2A2098FFAD40C353EF7ED58A exe="/root/syz-executor.1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4665e9 code=0x50000 ================================================================== BUG: KCSAN: data-race in kauditd_thread / skb_queue_tail write to 0xffffffff84180d10 of 4 bytes by task 10880 on cpu 0: __skb_insert include/linux/skbuff.h:1938 [inline] __skb_queue_before include/linux/skbuff.h:2043 [inline] __skb_queue_tail include/linux/skbuff.h:2076 [inline] skb_queue_tail+0x80/0xa0 net/core/skbuff.c:3264 audit_log_end+0x171/0x1e0 kernel/audit.c:2389 audit_seccomp+0xd9/0xf0 kernel/auditsc.c:2684 seccomp_log kernel/seccomp.c:1009 [inline] __seccomp_filter+0xd24/0xf20 kernel/seccomp.c:1309 __secure_computing+0xfb/0x140 kernel/seccomp.c:1339 syscall_trace_enter+0x120/0x290 kernel/entry/common.c:68 __syscall_enter_from_user_work kernel/entry/common.c:90 [inline] syscall_enter_from_user_mode+0x1c/0x20 kernel/entry/common.c:108 do_syscall_64+0x1e/0x90 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffffffff84180d10 of 4 bytes by task 25 on cpu 1: skb_queue_len include/linux/skbuff.h:1869 [inline] kauditd_thread+0x48a/0x6c0 kernel/audit.c:881 kthread+0x262/0x280 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 value changed: 0x00000000 -> 0x00000001 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 25 Comm: kauditd Not tainted 5.14.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ================================================================== ================================================================== BUG: KCSAN: data-race in kauditd_thread / skb_queue_tail write to 0xffffffff84180d10 of 4 bytes by task 10884 on cpu 1: __skb_insert include/linux/skbuff.h:1938 [inline] __skb_queue_before include/linux/skbuff.h:2043 [inline] __skb_queue_tail include/linux/skbuff.h:2076 [inline] skb_queue_tail+0x80/0xa0 net/core/skbuff.c:3264 audit_log_end+0x171/0x1e0 kernel/audit.c:2389 audit_seccomp+0xd9/0xf0 kernel/auditsc.c:2684 seccomp_log kernel/seccomp.c:1009 [inline] __seccomp_filter+0xd24/0xf20 kernel/seccomp.c:1309 __secure_computing+0xfb/0x140 kernel/seccomp.c:1339 syscall_trace_enter+0x120/0x290 kernel/entry/common.c:68 __syscall_enter_from_user_work kernel/entry/common.c:90 [inline] syscall_enter_from_user_mode+0x1c/0x20 kernel/entry/common.c:108 do_syscall_64+0x1e/0x90 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffffffff84180d10 of 4 bytes by task 25 on cpu 0: skb_queue_len include/linux/skbuff.h:1869 [inline] kauditd_thread+0x5b2/0x6c0 kernel/audit.c:881 kthread+0x262/0x280 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 value changed: 0x00000001 -> 0x00000002 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 25 Comm: kauditd Not tainted 5.14.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ================================================================== ================================================================== BUG: KCSAN: data-race in kauditd_thread / skb_queue_tail write to 0xffffffff84180d10 of 4 bytes by task 10880 on cpu 1: __skb_insert include/linux/skbuff.h:1938 [inline] __skb_queue_before include/linux/skbuff.h:2043 [inline] __skb_queue_tail include/linux/skbuff.h:2076 [inline] skb_queue_tail+0x80/0xa0 net/core/skbuff.c:3264 audit_log_end+0x171/0x1e0 kernel/audit.c:2389 audit_seccomp+0xd9/0xf0 kernel/auditsc.c:2684 seccomp_log kernel/seccomp.c:1009 [inline] __seccomp_filter+0xd24/0xf20 kernel/seccomp.c:1309 __secure_computing+0xfb/0x140 kernel/seccomp.c:1339 syscall_trace_enter+0x120/0x290 kernel/entry/common.c:68 __syscall_enter_from_user_work kernel/entry/common.c:90 [inline] syscall_enter_from_user_mode+0x1c/0x20 kernel/entry/common.c:108 do_syscall_64+0x1e/0x90 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffffffff84180d10 of 4 bytes by task 25 on cpu 0: skb_queue_len include/linux/skbuff.h:1869 [inline] kauditd_thread+0x4dd/0x6c0 kernel/audit.c:881 kthread+0x262/0x280 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 value changed: 0x00000000 -> 0x00000001 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 25 Comm: kauditd Not tainted 5.14.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ================================================================== kauditd_printk_skb: 34272 callbacks suppressed audit: type=1326 audit(1629665592.387:34303): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=10880 comm=202A3A2A2098FFAD40C353EF7ED58A exe="/root/syz-executor.1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4665e9 code=0x50000 audit: type=1326 audit(1629665592.387:34304): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=10880 comm=202A3A2A2098FFAD40C353EF7ED58A exe="/root/syz-executor.1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4665e9 code=0x50000 audit: type=1326 audit(1629665592.387:34301): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=10880 comm="syz-executor.1" exe="/root/syz-executor.1" sig=0 arch=c000003e syscall=1 compat=0 ip=0x4192cf code=0x50000 audit: type=1326 audit(1629665592.387:34305): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=10880 comm=202A3A2A2098FFAD40C353EF7ED58A exe="/root/syz-executor.1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4665e9 code=0x50000 audit: type=1326 audit(1629665592.397:34306): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=10880 comm=202A3A2A2098FFAD40C353EF7ED58A exe="/root/syz-executor.1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4665e9 code=0x50000 audit: type=1326 audit(1629665592.397:34307): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=10880 comm=202A3A2A2098FFAD40C353EF7ED58A exe="/root/syz-executor.1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4665e9 code=0x50000 audit: type=1326 audit(1629665592.397:34308): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=10880 comm=202A3A2A2098FFAD40C353EF7ED58A exe="/root/syz-executor.1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4665e9 code=0x50000 audit: type=1326 audit(1629665592.397:34309): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=10880 comm=202A3A2A2098FFAD40C353EF7ED58A exe="/root/syz-executor.1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4665e9 code=0x50000 audit: type=1326 audit(1629665592.397:34310): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=10880 comm=202A3A2A2098FFAD40C353EF7ED58A exe="/root/syz-executor.1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4665e9 code=0x50000 audit: type=1326 audit(1629665592.397:34311): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=10880 comm=202A3A2A2098FFAD40C353EF7ED58A exe="/root/syz-executor.1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4665e9 code=0x50000 kauditd_printk_skb: 54657 callbacks suppressed audit: type=1326 audit(1629665597.397:88969): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=10969 comm=202A3A2A2098FFAD40C353EF7ED58A exe="/root/syz-executor.5" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4665e9 code=0x50000 audit: type=1326 audit(1629665597.397:88970): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=10969 comm=202A3A2A2098FFAD40C353EF7ED58A exe="/root/syz-executor.5" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4665e9 code=0x50000 audit: type=1326 audit(1629665597.397:88971): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=10969 comm=202A3A2A2098FFAD40C353EF7ED58A exe="/root/syz-executor.5" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4665e9 code=0x50000 audit: type=1326 audit(1629665597.397:88972): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=10969 comm=202A3A2A2098FFAD40C353EF7ED58A exe="/root/syz-executor.5" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4665e9 code=0x50000 audit: type=1326 audit(1629665597.397:88973): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=10969 comm=202A3A2A2098FFAD40C353EF7ED58A exe="/root/syz-executor.5" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4665e9 code=0x50000 audit: type=1326 audit(1629665597.397:88974): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=10969 comm=202A3A2A2098FFAD40C353EF7ED58A exe="/root/syz-executor.5" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4665e9 code=0x50000 audit: type=1326 audit(1629665597.397:88975): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=10969 comm=202A3A2A2098FFAD40C353EF7ED58A exe="/root/syz-executor.5" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4665e9 code=0x50000 audit: type=1326 audit(1629665597.397:88976): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=10969 comm=202A3A2A2098FFAD40C353EF7ED58A exe="/root/syz-executor.5" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4665e9 code=0x50000 audit: type=1326 audit(1629665597.397:88977): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=10969 comm=202A3A2A2098FFAD40C353EF7ED58A exe="/root/syz-executor.5" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4665e9 code=0x50000 audit: type=1326 audit(1629665598.777:88978): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=10972 comm=202A3A2A2098FFAD40C353EF7ED58A exe="/root/syz-executor.2" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4665e9 code=0x50000