last executing test programs: kernel console output (not intermixed with test programs): hcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 25.972833][ T29] audit: type=1400 audit(1793546226.473:125): avc: denied { write } for pid=3272 comm="rm" name="hook-state" dev="tmpfs" ino=486 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 Warning: Permanently added '10.128.1.151' (ED25519) to the list of known hosts. [ 34.507641][ T29] audit: type=1400 audit(1793546235.003:126): avc: denied { mounton } for pid=3284 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2023 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 34.507988][ T29] audit: type=1400 audit(1793546235.003:127): avc: denied { mount } for pid=3284 comm="syz-executor" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 34.540649][ T3284] cgroup: Unknown subsys name 'net' [ 34.541866][ T29] audit: type=1400 audit(1793546235.033:128): avc: denied { unmount } for pid=3284 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 34.708850][ T3284] cgroup: Unknown subsys name 'cpuset' [ 34.715282][ T3284] cgroup: Unknown subsys name 'rlimit' [ 34.820335][ T29] audit: type=1400 audit(1793546235.323:129): avc: denied { setattr } for pid=3284 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=142 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 34.821461][ T29] audit: type=1400 audit(1793546235.323:130): avc: denied { create } for pid=3284 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 34.821588][ T29] audit: type=1400 audit(1793546235.323:131): avc: denied { write } for pid=3284 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 34.821799][ T29] audit: type=1400 audit(1793546235.323:132): avc: denied { read } for pid=3284 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 34.828714][ T29] audit: type=1400 audit(1793546235.323:133): avc: denied { mounton } for pid=3284 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 34.828852][ T29] audit: type=1400 audit(1793546235.323:134): avc: denied { mount } for pid=3284 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 Setting up swapspace version 1, size = 127995904 bytes [ 34.843198][ T29] audit: type=1400 audit(1793546235.333:135): avc: denied { read } for pid=3019 comm="dhcpcd" scontext=system_u:system_r:dhcpc_t tcontext=system_u:system_r:dhcpc_t tclass=netlink_kobject_uevent_socket permissive=1 [ 34.917027][ T3288] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 34.996658][ T3284] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 35.809154][ T3297] ================================================================== [ 35.809219][ T3297] BUG: KCSAN: data-race in __d_lookup / __d_rehash [ 35.809261][ T3297] [ 35.809267][ T3297] write to 0xffff888105ea5490 of 8 bytes by task 3298 on cpu 1: [ 35.809285][ T3297] __d_rehash+0xa4/0x1d0 [ 35.809320][ T3297] __d_add+0x131/0x1a0 [ 35.809362][ T3297] d_splice_alias_ops+0xe3/0x3b0 [ 35.809391][ T3297] proc_sys_lookup+0x1ed/0x310 [ 35.809598][ T3297] lookup_open+0x6aa/0x1050 SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 35.809638][ T3297] path_openat+0x492/0x11c0 [ 35.809674][ T3297] do_file_open+0x16c/0x290 [ 35.809710][ T3297] do_sys_openat2+0xa1/0x140 [ 35.809865][ T3297] __x64_sys_openat+0xf2/0x120 [ 35.809907][ T3297] x64_sys_call+0x1f72/0x2550 [ 35.809935][ T3297] do_syscall_64+0x112/0x360 [ 35.809983][ T3297] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 35.810026][ T3297] [ 35.810033][ T3297] read to 0xffff888105ea5490 of 8 bytes by task 3297 on cpu 0: [ 35.810054][ T3297] __d_lookup+0xf8/0x340 [ 35.810084][ T3297] lookup_fast+0x5e/0x320 [ 35.810107][ T3297] path_openat+0x363/0x11c0 [ 35.810135][ T3297] do_file_open+0x16c/0x290 [ 35.810167][ T3297] do_sys_openat2+0xa1/0x140 [ 35.810195][ T3297] __x64_sys_openat+0xf2/0x120 [ 35.810225][ T3297] x64_sys_call+0x1f72/0x2550 [ 35.810250][ T3297] do_syscall_64+0x112/0x360 [ 35.810307][ T3297] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 35.810331][ T3297] [ 35.810335][ T3297] value changed: 0xffff8882379e1bb8 -> 0xffff8881073b5788 [ 35.810348][ T3297] [ 35.810352][ T3297] Reported by Kernel Concurrency Sanitizer on: [ 35.810384][ T3297] CPU: 0 UID: 0 PID: 3297 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(lazy) [ 35.810420][ T3297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 35.810436][ T3297] ==================================================================