last executing test programs: kernel console output (not intermixed with test programs): [ 20.952589][ T29] audit: type=1400 audit(1718152182.062:81): avc: denied { read } for pid=2767 comm="syslogd" name="log" dev="sda1" ino=1915 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 Warning: Permanently added '10.128.1.145' (ED25519) to the list of known hosts. 2024/06/12 00:29:46 fuzzer started 2024/06/12 00:29:46 dialing manager at 10.128.0.163:30030 [ 25.566053][ T29] audit: type=1400 audit(1718152186.672:82): avc: denied { node_bind } for pid=3076 comm="syz-fuzzer" saddr=::1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:node_t tclass=tcp_socket permissive=1 [ 25.586811][ T29] audit: type=1400 audit(1718152186.672:83): avc: denied { name_bind } for pid=3076 comm="syz-fuzzer" src=6060 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unreserved_port_t tclass=tcp_socket permissive=1 [ 25.648390][ T29] audit: type=1400 audit(1718152186.762:84): avc: denied { mounton } for pid=3084 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=1926 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 25.672994][ T3084] cgroup: Unknown subsys name 'net' [ 25.677207][ T29] audit: type=1400 audit(1718152186.762:85): avc: denied { create } for pid=3088 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 25.698739][ T29] audit: type=1400 audit(1718152186.762:86): avc: denied { write } for pid=3088 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 25.715873][ T3086] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 25.719136][ T29] audit: type=1400 audit(1718152186.772:87): avc: denied { read } for pid=3088 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 25.747986][ T29] audit: type=1400 audit(1718152186.782:88): avc: denied { mount } for pid=3084 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 [ 25.770181][ T29] audit: type=1400 audit(1718152186.782:89): avc: denied { mounton } for pid=3092 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 [ 25.782283][ T3085] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 25.794997][ T29] audit: type=1400 audit(1718152186.782:90): avc: denied { mount } for pid=3092 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 [ 25.827047][ T29] audit: type=1400 audit(1718152186.792:91): avc: denied { unmount } for pid=3084 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 25.969826][ T3084] cgroup: Unknown subsys name 'rlimit' 2024/06/12 00:29:47 suppressing KCSAN reports in functions: 'ext4_free_inodes_count' 'xas_clear_mark' '__xa_clear_mark' 'exit_mm' 2024/06/12 00:29:47 starting 5 executor processes [ 26.749406][ T3108] ================================================================== [ 26.757538][ T3108] BUG: KCSAN: data-race in pcpu_alloc_noprof / pcpu_block_update_hint_alloc [ 26.766279][ T3108] [ 26.768612][ T3108] read-write to 0xffffffff8841e6ac of 4 bytes by task 3110 on cpu 1: [ 26.776689][ T3108] pcpu_block_update_hint_alloc+0x5db/0x6a0 [ 26.782626][ T3108] pcpu_alloc_area+0x488/0x4b0 [ 26.787410][ T3108] pcpu_alloc_noprof+0x4b3/0x10c0 [ 26.792451][ T3108] sctp_defaults_init+0x32e/0x540 2024/06/12 00:29:47 SYZFATAL: failed to recv *flatrpc.HostMessageRaw: EOF [ 26.797518][ T3108] ops_init+0x1ef/0x2b0 [ 26.801823][ T3108] setup_net+0x2ea/0x7c0 [ 26.806085][ T3108] copy_net_ns+0x37b/0x510 [ 26.810694][ T3108] create_new_namespaces+0x228/0x430 [ 26.815998][ T3108] unshare_nsproxy_namespaces+0xe6/0x120 [ 26.821651][ T3108] ksys_unshare+0x3da/0x720 [ 26.826173][ T3108] __x64_sys_unshare+0x1f/0x30 [ 26.830952][ T3108] x64_sys_call+0x2ca9/0x2d70 [ 26.835662][ T3108] do_syscall_64+0xc9/0x1c0 [ 26.840176][ T3108] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 26.846101][ T3108] [ 26.848429][ T3