last executing test programs: kernel console output (not intermixed with test programs): [ 19.662380][ T28] audit: type=1400 audit(1774833289.442:62): avc: denied { search } for pid=3195 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 [ 19.684470][ T28] audit: type=1400 audit(1774833289.442:63): avc: denied { search } for pid=3195 comm="dhcpcd-run-hook" name="dhcpcd" dev="tmpfs" ino=483 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 19.707303][ T28] audit: type=1400 audit(1774833289.442:64): avc: denied { search } for pid=3195 comm="dhcpcd-run-hook" name="hook-state" dev="tmpfs" ino=487 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 19.730411][ T28] audit: type=1400 audit(1774833289.442:65): avc: denied { search } for pid=3195 comm="dhcpcd-run-hook" name="resolv.conf" dev="tmpfs" ino=488 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 19.753463][ T28] audit: type=1400 audit(1774833289.442:66): avc: denied { read open } for pid=3196 comm="dhcpcd-run-hook" path="/run/dhcpcd/hook-state/resolv.conf" dev="tmpfs" ino=488 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 Warning: Permanently added '10.128.0.51' (ED25519) to the list of known hosts. [ 24.552712][ T28] kauditd_printk_skb: 3 callbacks suppressed [ 24.552729][ T28] audit: type=1400 audit(1774833294.332:70): avc: denied { mounton } for pid=3298 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=2022 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 24.581892][ T28] audit: type=1400 audit(1774833294.362:71): avc: denied { mount } for pid=3298 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 [ 24.582607][ T3298] cgroup: Unknown subsys name 'net' [ 24.609851][ T28] audit: type=1400 audit(1774833294.392:72): avc: denied { unmount } for pid=3298 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 24.727789][ T3298] cgroup: Unknown subsys name 'cpuset' [ 24.733994][ T3298] cgroup: Unknown subsys name 'rlimit' [ 24.844094][ T28] audit: type=1400 audit(1774833294.622:73): avc: denied { setattr } for pid=3298 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 [ 24.867681][ T28] audit: type=1400 audit(1774833294.622:74): avc: denied { create } for pid=3298 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 24.890067][ T28] audit: type=1400 audit(1774833294.622:75): avc: denied { write } for pid=3298 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 24.910600][ T28] audit: type=1400 audit(1774833294.622:76): avc: denied { read } for pid=3298 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 24.930965][ T28] audit: type=1400 audit(1774833294.652:77): avc: denied { mounton } for pid=3298 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 [ 24.955802][ T28] audit: type=1400 audit(1774833294.652:78): avc: denied { mount } for pid=3298 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 [ 24.963679][ T3303] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 24.979097][ T28] audit: type=1400 audit(1774833294.652:79): avc: denied { read } for pid=3042 comm="dhcpcd" scontext=system_u:system_r:dhcpc_t tcontext=system_u:system_r:dhcpc_t tclass=netlink_kobject_uevent_socket permissive=1 Setting up swapspace version 1, size = 127995904 bytes [ 25.060877][ T3298] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 25.142370][ C0] ================================================================== [ 25.150512][ C0] BUG: KCSAN: data-race in virtqueue_disable_cb / virtqueue_disable_cb [ 25.158752][ C0] [ 25.161074][ C0] read to 0xffff888102157088 of 2 bytes by interrupt on cpu 1: [ 25.168610][ C0] virtqueue_disable_cb+0x4c/0x2c0 [ 25.173726][ C0] skb_xmit_done+0x67/0x1a0 [ 25.178308][ C0] vring_interrupt+0x2d7/0x310 [ 25.183081][ C0] __handle_irq_event_percpu+0x9c/0x4d0 [ 25.188711][ C0] handle_irq_event+0x64/0xf0 [ 25.193496][ C0] handle_edge_irq+0x154/0x470 [ 25.198351][ C0] __common_interrupt+0x60/0xb0 [ 25.203303][ C0] common_interrupt+0x7e/0x90 [ 25.207983][ C0] asm_common_interrupt+0x26/0x40 [ 25.213015][ C0] pv_native_safe_halt+0xf/0x20 [ 25.217854][ C0] default_idle+0x9/0x20 [ 25.222100][ C0] default_idle_call+0x3b/0x60 [ 25.226898][ C0] do_idle+0x17f/0x2b0 [ 25.230979][ C0] cpu_startup_entry+0x24/0x30 [ 25.235750][ C0] start_secondary+0x95/0xa0 [ 25.240331][ C0] common_startup_64+0x13e/0x147 [ 25.245288][ C0] [ 25.247614][ C0] write to 0xffff888102157088 of 2 bytes by interrupt on cpu 0: [ 25.255306][ C0] virtqueue_disable_cb+0x75/0x2c0 [ 25.260526][ C0] start_xmit+0x107/0x1ab0 [ 25.264945][ C0] dev_hard_start_xmit+0x136/0x3f0 [ 25.270085][ C0] sch_direct_xmit+0x192/0x550 [ 25.274858][ C0] __dev_queue_xmit+0xca9/0x1f20 [ 25.279791][ C0] ip_finish_output2+0x705/0x8c0 [ 25.284722][ C0] ip_finish_output+0x112/0x290 [ 25.289567][ C0] ip_output+0xbd/0x1c0 [ 25.293749][ C0] __ip_queue_xmit+0xb68/0xba0 [ 25.298505][ C0] ip_queue_xmit+0x39/0x50 [ 25.302924][ C0] __tcp_transmit_skb+0x1af2/0x1f10 [ 25.308117][ C0] tcp_write_xmit+0x1597/0x3640 [ 25.312980][ C0] __tcp_push_pending_frames+0x6d/0x1b0 [ 25.318530][ C0] tcp_rcv_established+0xc52/0x12f0 [ 25.323820][ C0] tcp_v4_do_rcv+0x91d/0xa30 [ 25.328404][ C0] tcp_v4_rcv+0x19f8/0x1db0 [ 25.332925][ C0] ip_protocol_deliver_rcu+0x395/0x790 [ 25.338392][ C0] ip_local_deliver_finish+0x1fc/0x2f0 [ 25.343868][ C0] ip_local_deliver+0xe8/0x1e0 [ 25.348729][ C0] ip_sublist_rcv+0x5a4/0x6a0 [ 25.353422][ C0] ip_list_rcv+0x261/0x290 [ 25.357842][ C0] __netif_receive_skb_list_core+0x4dc/0x500 [ 25.363824][ C0] netif_receive_skb_list_internal+0x47d/0x5f0 [ 25.369965][ C0] napi_complete_done+0x19c/0x3f0 [ 25.375008][ C0] virtnet_poll+0x1bb1/0x2040 [ 25.379679][ C0] __napi_poll+0x61/0x330 [ 25.383996][ C0] net_rx_action+0x452/0x930 [ 25.388621][ C0] handle_softirqs+0xb9/0x2a0 [ 25.393301][ C0] __irq_exit_rcu+0x39/0xc0 [ 25.397797][ C0] common_interrupt+0x83/0x90 [ 25.402483][ C0] asm_common_interrupt+0x26/0x40 [ 25.407511][ C0] pv_native_safe_halt+0xf/0x20 [ 25.412361][ C0] default_idle+0x9/0x20 [ 25.416597][ C0] default_idle_call+0x3b/0x60 [ 25.421356][ C0] do_idle+0x17f/0x2b0 [ 25.425419][ C0] cpu_startup_entry+0x24/0x30 [ 25.430189][ C0] rest_init+0xee/0xf0 [ 25.434273][ C0] start_kernel+0x49a/0x4c0 [ 25.438777][ C0] x86_64_start_reservations+0x24/0x30 [ 25.444256][ C0] x86_64_start_kernel+0xfc/0x100 [ 25.449275][ C0] common_startup_64+0x13e/0x147 [ 25.454204][ C0] [ 25.456523][ C0] value changed: 0x0000 -> 0x0001 [ 25.461527][ C0] [ 25.463839][ C0] Reported by Kernel Concurrency Sanitizer on: [ 25.469983][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) [ 25.478907][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 [ 25.489038][ C0] ==================================================================