last executing test programs: kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.0.199' (ED25519) to the list of known hosts. [ 34.865923][ T29] audit: type=1400 audit(1723249165.321:81): avc: denied { mounton } for pid=3250 comm="syz-executor" path="/syzcgroup/unified" dev="sda1" ino=1925 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 [ 34.867217][ T3250] cgroup: Unknown subsys name 'net' [ 34.888918][ T29] audit: type=1400 audit(1723249165.321:82): avc: denied { mount } for pid=3250 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 [ 34.916301][ T29] audit: type=1400 audit(1723249165.351:83): avc: denied { unmount } for pid=3250 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 34.936275][ T29] audit: type=1400 audit(1723249165.361:84): avc: denied { read } for pid=2941 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 [ 35.110516][ T3250] cgroup: Unknown subsys name 'rlimit' [ 35.233883][ T29] audit: type=1400 audit(1723249165.691:85): avc: denied { setattr } for pid=3250 comm="syz-executor" name="raw-gadget" dev="devtmpfs" ino=118 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 35.257249][ T29] audit: type=1400 audit(1723249165.691:86): avc: denied { create } for pid=3250 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 35.277815][ T29] audit: type=1400 audit(1723249165.691:87): avc: denied { write } for pid=3250 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 35.298725][ T29] audit: type=1400 audit(1723249165.691:88): avc: denied { read } for pid=3250 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 [ 35.319123][ T29] audit: type=1400 audit(1723249165.701:89): avc: denied { mounton } for pid=3250 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 [ 35.327975][ T3252] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 35.343991][ T29] audit: type=1400 audit(1723249165.701:90): avc: denied { mount } for pid=3250 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 [ 35.412116][ T3250] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 37.505381][ T3266] ================================================================== [ 37.513537][ T3266] BUG: KCSAN: data-race in __d_lookup / __d_rehash [ 37.520083][ T3266] [ 37.522433][ T3266] write to 0xffff888106126190 of 8 bytes by task 3268 on cpu 1: [ 37.530120][ T3266] __d_rehash+0xa9/0x210 [ 37.534423][ T3266] __d_add+0x373/0x4a0 [ 37.538521][ T3266] d_splice_alias+0xd6/0x270 [ 37.543149][ T3266] proc_sys_lookup+0x386/0x440 [ 37.547961][ T3266] path_openat+0xc5f/0x1f10 [ 37.552508][ T3266] do_filp_open+0xf7/0x200 [ 37.556978][ T3266] do_sys_openat2+0xab/0x120 [ 37.561606][ T3266] __x64_sys_openat+0xf3/0x120 [ 37.566409][ T3266] x64_sys_call+0x1025/0x2d60 [ 37.571214][ T3266] do_syscall_64+0xc9/0x1c0 [ 37.575746][ T3266] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 37.581743][ T3266] [ 37.584083][ T3266] read to 0xffff888106126190 of 8 bytes by task 3266 on cpu 0: [ 37.591736][ T3266] __d_lookup+0xf1/0x370 [ 37.596021][ T3266] lookup_fast+0x4c/0x2a0 [ 37.600404][ T3266] path_openat+0x466/0x1f10 [ 37.604959][ T3266] do_filp_open+0xf7/0x200 [ 37.609438][ T3266] do_sys_openat2+0xab/0x120 [ 37.614152][ T3266] __x64_sys_openat+0xf3/0x120 [ 37.619002][ T3266] x64_sys_call+0x1025/0x2d60 [ 37.623791][ T3266] do_syscall_64+0xc9/0x1c0 [ 37.628402][ T3266] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 37.634404][ T3266] [ 37.636749][ T3266] value changed: 0xffff8882379da1a8 -> 0xffff888106126b48 [ 37.643973][ T3266] [ 37.646308][ T3266] Reported by Kernel Concurrency Sanitizer on: SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 37.652498][ T3266] CPU: 0 UID: 0 PID: 3266 Comm: syz-executor Not tainted 6.11.0-rc2-syzkaller-00194-gafdab700f65e #0 [ 37.663369][ T3266] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 37.673691][ T3266] ==================================================================