last executing test programs: kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.1.139' (ED25519) to the list of known hosts. [ 32.124724][ T29] audit: type=1400 audit(1722533684.615:81): 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 [ 32.126046][ T3250] cgroup: Unknown subsys name 'net' [ 32.147475][ T29] audit: type=1400 audit(1722533684.615:82): 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 [ 32.174955][ T29] audit: type=1400 audit(1722533684.645:83): 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 [ 32.194919][ T29] audit: type=1400 audit(1722533684.655:84): 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 [ 32.339492][ T3250] cgroup: Unknown subsys name 'rlimit' [ 32.463727][ T29] audit: type=1400 audit(1722533684.955:85): 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 [ 32.492962][ T29] audit: type=1400 audit(1722533684.955:86): 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 Setting up swapspace version 1, size = 127995904 bytes [ 32.498060][ T3253] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 32.513931][ T29] audit: type=1400 audit(1722533684.955:87): 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 [ 32.542921][ T29] audit: type=1400 audit(1722533684.955:88): 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 [ 32.563349][ T29] audit: type=1400 audit(1722533684.955:89): 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 [ 32.563906][ T3250] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 32.588243][ T29] audit: type=1400 audit(1722533684.955:90): 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 [ 33.950625][ T3263] ================================================================== [ 33.958862][ T3263] BUG: KCSAN: data-race in __d_rehash / fast_dput [ 33.965328][ T3263] [ 33.967664][ T3263] write to 0xffff888105ced250 of 8 bytes by task 3262 on cpu 0: [ 33.975314][ T3263] __d_rehash+0xa9/0x210 [ 33.979592][ T3263] __d_add+0x373/0x4a0 [ 33.983696][ T3263] d_splice_alias+0xd6/0x270 [ 33.988315][ T3263] proc_sys_lookup+0x386/0x440 [ 33.993208][ T3263] path_openat+0xc5f/0x1f10 [ 33.997742][ T3263] do_filp_open+0xf7/0x200 [ 34.002199][ T3263] do_sys_openat2+0xab/0x120 [ 34.006818][ T3263] __x64_sys_openat+0xf3/0x120 [ 34.011615][ T3263] x64_sys_call+0x1ac/0x2e00 [ 34.016231][ T3263] do_syscall_64+0xc9/0x1c0 [ 34.020765][ T3263] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 34.026692][ T3263] [ 34.029066][ T3263] read to 0xffff888105ced250 of 8 bytes by task 3263 on cpu 1: [ 34.036714][ T3263] fast_dput+0x65/0x2c0 [ 34.040901][ T3263] dput+0x24/0xd0 [ 34.044564][ T3263] __fput+0x41f/0x6f0 [ 34.048577][ T3263] __fput_sync+0x44/0x60 [ 34.052859][ T3263] __se_sys_close+0x101/0x1b0 [ 34.057567][ T3263] __x64_sys_close+0x1f/0x30 [ 34.062193][ T3263] x64_sys_call+0x2630/0x2e00 [ 34.066898][ T3263] do_syscall_64+0xc9/0x1c0 [ 34.071433][ T3263] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 34.077373][ T3263] [ 34.079699][ T3263] value changed: 0xffff888237a87388 -> 0xffff888105c86488 [ 34.086821][ T3263] [ 34.089177][ T3263] Reported by Kernel Concurrency Sanitizer on: SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 34.095380][ T3263] CPU: 1 UID: 0 PID: 3263 Comm: syz-executor Not tainted 6.11.0-rc1-syzkaller-00151-g183d46ff422e #0 [ 34.106249][ T3263] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 34.116323][ T3263] ==================================================================