audit: type=1326 audit(1629617495.468:323): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=9015 comm=202A3A2A2098FFAD40C353EF7ED58A exe="/root/syz-executor.5" 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 9019 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: 0x00000002 -> 0x00000004 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 25 Comm: kauditd Tainted: G W 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 9015 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+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: 1 PID: 25 Comm: kauditd Tainted: G W 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 9019 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+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: 0 PID: 25 Comm: kauditd Tainted: G W 5.14.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ================================================================== kauditd_printk_skb: 57618 callbacks suppressed audit: type=1326 audit(1629617499.158:57943): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=9063 comm=202A3A2A2098FFAD40C353EF7ED58A exe="/root/syz-executor.5" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4665e9 code=0x50000 audit: type=1326 audit(1629617499.158:57944): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=9086 comm=202A3A2A2098FFAD40C353EF7ED58A exe="/root/syz-executor.1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4665e9 code=0x50000 audit: type=1326 audit(1629617499.158:57945): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=9086 comm=202A3A2A2098FFAD40C353EF7ED58A exe="/root/syz-executor.1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4665e9 code=0x50000 audit: type=1326 audit(1629617499.158:57946): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=9086 comm=202A3A2A2098FFAD40C353EF7ED58A exe="/root/syz-executor.1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4665e9 code=0x50000 audit: type=1326 audit(1629617499.158:57947): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=9086 comm=202A3A2A2098FFAD40C353EF7ED58A exe="/root/syz-executor.1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4665e9 code=0x50000 audit: type=1326 audit(1629617499.158:57948): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=9086 comm=202A3A2A2098FFAD40C353EF7ED58A exe="/root/syz-executor.1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4665e9 code=0x50000 audit: type=1326 audit(1629617499.158:57949): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=9086 comm=202A3A2A2098FFAD40C353EF7ED58A exe="/root/syz-executor.1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4665e9 code=0x50000 audit: type=1326 audit(1629617499.158:57950): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=9086 comm=202A3A2A2098FFAD40C353EF7ED58A exe="/root/syz-executor.1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4665e9 code=0x50000 audit: type=1326 audit(1629617499.158:57951): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=9086 comm=202A3A2A2098FFAD40C353EF7ED58A exe="/root/syz-executor.1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4665e9 code=0x50000 audit: type=1326 audit(1629617499.158:57952): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=9086 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 9128 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+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: 0 PID: 25 Comm: kauditd Tainted: G W 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 9128 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 Tainted: G W 5.14.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ================================================================== kauditd_printk_skb: 52373 callbacks suppressed audit: type=1326 audit(1629617504.158:110325): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=9125 comm=202A3A2A2098FFAD40C353EF7ED58A exe="/root/syz-executor.1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4665e9 code=0x50000 audit: type=1326 audit(1629617504.198:110326): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=9116 comm=202A3A2A2098FFAD40C353EF7ED58A exe="/root/syz-executor.3" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4665e9 code=0x50000 audit: type=1326 audit(1629617504.198:110327): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=9116 comm=202A3A2A2098FFAD40C353EF7ED58A exe="/root/syz-executor.3" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4665e9 code=0x50000 audit: type=1326 audit(1629617504.198:110328): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=9116 comm=202A3A2A2098FFAD40C353EF7ED58A exe="/root/syz-executor.3" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4665e9 code=0x50000 audit: type=1326 audit(1629617504.198:110329): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=9116 comm=202A3A2A2098FFAD40C353EF7ED58A exe="/root/syz-executor.3" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4665e9 code=0x50000 audit: type=1326 audit(1629617504.198:110330): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=9116 comm=202A3A2A2098FFAD40C353EF7ED58A exe="/root/syz-executor.3" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4665e9 code=0x50000 audit: type=1326 audit(1629617504.198:110331): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=9116 comm=202A3A2A2098FFAD40C353EF7ED58A exe="/root/syz-executor.3" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4665e9 code=0x50000 audit: type=1326 audit(1629617504.198:110332): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=9116 comm=202A3A2A2098FFAD40C353EF7ED58A exe="/root/syz-executor.3" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4665e9 code=0x50000 audit: type=1326 audit(1629617504.198:110333): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=9116 comm=202A3A2A2098FFAD40C353EF7ED58A exe="/root/syz-executor.3" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4665e9 code=0x50000 audit: type=1326 audit(1629617504.198:110334): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=system_u:system_r:kernel_t:s0 pid=9116 comm=202A3A2A2098FFAD40C353EF7ED58A exe="/root/syz-executor.3" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4665e9 code=0x50000