last executing test programs: kernel console output (not intermixed with test programs): t=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 21.946260][ T29] audit: type=1400 audit(1788780969.681:99): avc: denied { noatsecure } for pid=3170 comm="sshd-session" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 21.969008][ T29] audit: type=1400 audit(1788780969.681:100): avc: denied { write } for pid=3170 comm="sh" path="pipe:[529]" dev="pipefs" ino=529 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 21.969053][ T29] audit: type=1400 audit(1788780969.681:101): avc: denied { rlimitinh } for pid=3170 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 21.969085][ T29] audit: type=1400 audit(1788780969.681:102): avc: denied { siginh } for pid=3170 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 24.658884][ T29] audit: type=1400 audit(1788780972.391:103): avc: denied { search } for pid=3179 comm="dhcpcd-run-hook" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 24.658945][ T29] audit: type=1400 audit(1788780972.391:104): avc: denied { search } for pid=3179 comm="dhcpcd-run-hook" name="dhcpcd" dev="tmpfs" ino=482 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 24.914962][ T29] kauditd_printk_skb: 10 callbacks suppressed [ 24.915002][ T29] audit: type=1400 audit(1788780972.651:115): avc: denied { write } for pid=3204 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 [ 25.493957][ T29] audit: type=1400 audit(1788780973.231:116): avc: denied { write } for pid=3208 comm="dhcpcd-run-hook" 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 [ 25.524649][ T29] audit: type=1400 audit(1788780973.261:117): avc: denied { write } for pid=3219 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 [ 25.716211][ T29] audit: type=1400 audit(1788780973.451:118): avc: denied { write } for pid=3222 comm="dhcpcd-run-hook" 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 [ 25.748016][ T29] audit: type=1400 audit(1788780973.481:119): avc: denied { write } for pid=3233 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 [ 25.865730][ T29] audit: type=1400 audit(1788780973.601:120): avc: denied { write } for pid=3236 comm="dhcpcd-run-hook" 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 [ 25.896187][ T29] audit: type=1400 audit(1788780973.631:121): avc: denied { write } for pid=3247 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 [ 26.021895][ T29] audit: type=1400 audit(1788780973.751:122): avc: denied { write } for pid=3250 comm="dhcpcd-run-hook" 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 [ 26.052416][ T29] audit: type=1400 audit(1788780973.781:123): avc: denied { write } for pid=3261 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 [ 26.139148][ T29] audit: type=1400 audit(1788780973.871:124): avc: denied { write } for pid=3264 comm="dhcpcd-run-hook" 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 '10.128.0.2' (ED25519) to the list of known hosts. [ 30.859106][ T29] kauditd_printk_skb: 1 callbacks suppressed [ 30.859148][ T29] audit: type=1400 audit(1788780978.591:126): 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 [ 30.866023][ T29] audit: type=1400 audit(1788780978.601:127): 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 [ 30.868543][ T3284] cgroup: Unknown subsys name 'net' [ 30.869577][ T29] audit: type=1400 audit(1788780978.601:128): 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 [ 31.014828][ T3284] cgroup: Unknown subsys name 'cpuset' [ 31.020979][ T3284] cgroup: Unknown subsys name 'rlimit' [ 31.155512][ T29] audit: type=1400 audit(1788780978.891:129): 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 [ 31.178954][ T29] audit: type=1400 audit(1788780978.891:130): 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 [ 31.178987][ T29] audit: type=1400 audit(1788780978.891:131): 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 [ 31.179084][ T29] audit: type=1400 audit(1788780978.891:132): 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 Setting up swapspace version 1, size = 127995904 bytes [ 31.199971][ T29] audit: type=1400 audit(1788780978.911:133): 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 [ 31.200015][ T29] audit: type=1400 audit(1788780978.911:134): 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 [ 31.218815][ T29] audit: type=1400 audit(1788780978.951:135): avc: denied { read } for pid=3022 comm="dhcpcd" scontext=system_u:system_r:dhcpc_t tcontext=system_u:system_r:dhcpc_t tclass=netlink_kobject_uevent_socket permissive=1 [ 31.269738][ T3290] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 31.295017][ T3284] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 34.176863][ T12] ================================================================== [ 34.176894][ T12] BUG: KCSAN: data-race in alloc_pid / copy_process [ 34.176919][ T12] [ 34.176925][ T12] read-write to 0xffffffff86e5c328 of 4 bytes by task 31 on cpu 1: [ 34.176942][ T12] alloc_pid+0x6da/0x960 [ 34.176960][ T12] copy_process+0x11cb/0x2340 [ 34.176981][ T12] kernel_clone+0x1c0/0x5f0 [ 34.177006][ T12] user_mode_thread+0xab/0xe0 SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 34.177030][ T12] call_usermodehelper_exec_work+0x7a/0x160 [ 34.177064][ T12] process_scheduled_works+0x56a/0xa50 [ 34.177096][ T12] worker_thread+0x569/0x750 [ 34.177128][ T12] kthread+0x223/0x270 [ 34.177148][ T12] ret_from_fork+0x146/0x330 [ 34.177178][ T12] ret_from_fork_asm+0x1a/0x30 [ 34.177204][ T12] [ 34.177209][ T12] read to 0xffffffff86e5c328 of 4 bytes by task 12 on cpu 0: [ 34.177225][ T12] copy_process+0x1acf/0x2340 [ 34.177247][ T12] kernel_clone+0x1c0/0x5f0 [ 34.177271][ T12] user_mode_thread+0xab/0xe0 [ 34.177295][ T12] call_usermodehelper_exec_work+0x7a/0x160 [ 34.177328][ T12] process_scheduled_works+0x56a/0xa50 [ 34.177359][ T12] worker_thread+0x569/0x750 [ 34.177390][ T12] kthread+0x223/0x270 [ 34.177410][ T12] ret_from_fork+0x146/0x330 [ 34.177439][ T12] ret_from_fork_asm+0x1a/0x30 [ 34.177465][ T12] [ 34.177469][ T12] value changed: 0x80000095 -> 0x80000096 [ 34.177480][ T12] [ 34.177484][ T12] Reported by Kernel Concurrency Sanitizer on: [ 34.177503][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted syzkaller #0 PREEMPT(lazy) [ 34.177529][ T12] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 34.177548][ T12] Workqueue: events_unbound call_usermodehelper_exec_work [ 34.177591][ T12] ==================================================================