last executing test programs: 257.98847ms ago: executing program 1 (id=285): openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sys/net/ipv4/tcp_rmem', 0x1, 0x0) 256.93064ms ago: executing program 1 (id=292): setpriority(0x0, 0x0, 0x0) 229.509664ms ago: executing program 1 (id=296): openat(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/policy', 0x0, 0x0) 229.145684ms ago: executing program 1 (id=299): fsmount(0xffffffffffffffff, 0x0, 0x0) 201.884788ms ago: executing program 1 (id=305): openat(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/commit_pending_bools', 0x1, 0x0) 173.401063ms ago: executing program 1 (id=310): pause() 73.639648ms ago: executing program 3 (id=342): getdents64(0xffffffffffffffff, &(0x7f0000000000), 0x0) 73.035859ms ago: executing program 0 (id=346): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/kernel/debug/damon/schemes', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/sys/kernel/debug/damon/schemes', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/damon/schemes', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/sys/kernel/debug/damon/schemes', 0x800, 0x0) 49.356342ms ago: executing program 4 (id=347): fspick(0xffffffffffffffff, &(0x7f0000000000), 0x0) 49.115362ms ago: executing program 2 (id=348): openat(0xffffffffffffff9c, &(0x7f0000000080)='/sys/kernel/mm/transparent_hugepage/khugepaged/scan_sleep_millisecs', 0x1, 0x0) 49.009182ms ago: executing program 3 (id=349): openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/attr/exec', 0x2, 0x0) 48.973682ms ago: executing program 4 (id=350): sched_setattr(0x0, &(0x7f0000000000), 0x0) 48.786142ms ago: executing program 2 (id=351): setresuid(0x0, 0x0, 0x0) 48.727302ms ago: executing program 3 (id=352): sysinfo(&(0x7f0000000000)) 48.598642ms ago: executing program 0 (id=353): socket$caif_stream(0x25, 0x1, 0x0) 48.561482ms ago: executing program 4 (id=354): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptp0', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ptp0', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ptp0', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ptp0', 0x800, 0x0) 25.312606ms ago: executing program 2 (id=355): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sgx_provision', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sgx_provision', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/sgx_provision', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sgx_provision', 0x800, 0x0) 25.182966ms ago: executing program 4 (id=356): process_vm_readv(0x0, &(0x7f0000000000), 0x0, &(0x7f0000000000), 0x0, 0x0) 25.089786ms ago: executing program 2 (id=357): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/fb0', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/fb0', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/fb0', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/fb0', 0x800, 0x0) 25.041436ms ago: executing program 0 (id=358): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ocfs2_control', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ocfs2_control', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ocfs2_control', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ocfs2_control', 0x800, 0x0) 24.906286ms ago: executing program 3 (id=359): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/tlk_device', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/tlk_device', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/tlk_device', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/tlk_device', 0x800, 0x0) 24.820776ms ago: executing program 0 (id=360): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/audio1', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/audio1', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/audio1', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/audio1', 0x800, 0x0) 24.714276ms ago: executing program 2 (id=361): timer_settime(0x0, 0x0, &(0x7f0000000000), 0x0) 571.59µs ago: executing program 4 (id=362): set_mempolicy(0x0, &(0x7f0000000000), 0x0) 457.479µs ago: executing program 0 (id=363): socket$phonet(0x23, 0x2, 0x1) 382.01µs ago: executing program 3 (id=364): syz_open_dev$swradio(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$swradio(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$swradio(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$swradio(&(0x7f0000000100), 0x0, 0x800) 270.41µs ago: executing program 3 (id=365): fremovexattr(0xffffffffffffffff, &(0x7f0000000000)) 157.94µs ago: executing program 2 (id=366): linkat(0xffffffffffffffff, &(0x7f0000000000), 0xffffffffffffffff, &(0x7f0000000000), 0x0) 114µs ago: executing program 4 (id=367): preadv2(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0, 0x0, 0x0) 0s ago: executing program 0 (id=368): pread64(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0) kernel console output (not intermixed with test programs): [ 18.424515][ T29] audit: type=1400 audit(1719441598.635:81): avc: denied { read } for pid=2764 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 '10.128.1.138' (ED25519) to the list of known hosts. [ 21.606767][ T29] audit: type=1400 audit(1719441601.805:82): avc: denied { mounton } for pid=3070 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 [ 21.607715][ T3070] cgroup: Unknown subsys name 'net' [ 21.629496][ T29] audit: type=1400 audit(1719441601.805:83): avc: denied { mount } for pid=3070 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 [ 21.657183][ T29] audit: type=1400 audit(1719441601.855:84): avc: denied { unmount } for pid=3070 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 21.849483][ T3070] cgroup: Unknown subsys name 'rlimit' [ 22.002511][ T29] audit: type=1400 audit(1719441602.205:85): avc: denied { create } for pid=3070 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 22.023462][ T29] audit: type=1400 audit(1719441602.205:86): avc: denied { write } for pid=3070 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 22.043819][ T29] audit: type=1400 audit(1719441602.205:87): avc: denied { read } for pid=3070 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 22.064477][ T29] audit: type=1400 audit(1719441602.205:88): avc: denied { mounton } for pid=3070 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 [ 22.071967][ T3071] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 22.089424][ T29] audit: type=1400 audit(1719441602.205:89): avc: denied { mount } for pid=3070 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 [ 22.121438][ T29] audit: type=1400 audit(1719441602.305:90): avc: denied { relabelto } for pid=3071 comm="mkswap" name="swap-file" dev="sda1" ino=1928 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" Setting up swapspace version 1, size = 127995904 bytes [ 22.147233][ T29] audit: type=1400 audit(1719441602.305:91): avc: denied { write } for pid=3071 comm="mkswap" path="/root/swap-file" dev="sda1" ino=1928 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" [ 22.176854][ T3070] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 22.827468][ T3207] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 23.129238][ T3296] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 23.356084][ T3363] mmap: syz.3.268 (3363) uses deprecated remap_file_pages() syscall. See Documentation/mm/remap_file_pages.rst. [ 23.705192][ T3081] ================================================================== [ 23.713292][ T3081] BUG: KCSAN: data-race in pollwake / pollwake [ 23.719451][ T3081] [ 23.721796][ T3081] write to 0xffffc90000e43a00 of 4 bytes by task 3079 on cpu 1: [ 23.729417][ T3081] pollwake+0xbe/0x110 [ 23.733493][ T3081] __wake_up_sync_key+0x51/0x80 [ 23.738340][ T3081] pipe_write+0x968/0xd30 [ 23.742676][ T3081] vfs_write+0x78f/0x900 [ 23.747017][ T3081] ksys_write+0xeb/0x1b0 [ 23.751250][ T3081] __x64_sys_write+0x42/0x50 [ 23.755841][ T3081] x64_sys_call+0x27ef/0x2d70 [ 23.760588][ T3081] do_syscall_64+0xc9/0x1c0 [ 23.765088][ T3081] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 23.771010][ T3081] [ 23.773329][ T3081] write to 0xffffc90000e43a00 of 4 bytes by task 3081 on cpu 0: [ 23.781016][ T3081] pollwake+0xbe/0x110 [ 23.785266][ T3081] __wake_up_sync_key+0x51/0x80 [ 23.790601][ T3081] pipe_write+0x968/0xd30 [ 23.794979][ T3081] vfs_write+0x78f/0x900 [ 23.799220][ T3081] ksys_write+0xeb/0x1b0 [ 23.803490][ T3081] __x64_sys_write+0x42/0x50 [ 23.808083][ T3081] x64_sys_call+0x27ef/0x2d70 [ 23.812763][ T3081] do_syscall_64+0xc9/0x1c0 [ 23.817250][ T3081] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 23.823132][ T3081] [ 23.825872][ T3081] value changed: 0x00000000 -> 0x00000001 [ 23.831652][ T3081] [ 23.833979][ T3081] Reported by Kernel Concurrency Sanitizer on: [ 23.840122][ T3081] CPU: 0 PID: 3081 Comm: syz-executor Not tainted 6.10.0-rc5-syzkaller-00021-g24ca36a562d6 #0 SYZFAIL: failed to send rpc fd=3 want=152 sent=0 n=-1 (errno 32: Broken pipe) [ 23.850524][ T3081] Hardware name: Google Google Compute Eng