last executing test programs: 1.210397425s ago: executing program 2 (id=156): mkdirat(0xffffffffffffffff, &(0x7f0000000000), 0x0) 1.210133695s ago: executing program 2 (id=161): setpgid(0x0, 0x0) 1.194612536s ago: executing program 2 (id=164): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/infiniband/rdma_cm', 0x2, 0x0) 1.194025146s ago: executing program 2 (id=170): openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/net/pfkey', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/proc/self/net/pfkey', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/net/pfkey', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/net/pfkey', 0x800, 0x0) 1.179331298s ago: executing program 2 (id=176): ioprio_set$auto(0x0, 0x0, 0x0) 1.162171959s ago: executing program 2 (id=179): pause() 383.128404ms ago: executing program 0 (id=437): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/video1', 0x2, 0x0) 365.917715ms ago: executing program 0 (id=446): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/fs/smackfs/load', 0x2, 0x0) 344.100397ms ago: executing program 0 (id=448): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/fs/smackfs/ambient', 0x2, 0x0) 343.702027ms ago: executing program 0 (id=451): setresgid(0x0, 0x0, 0x0) 343.665087ms ago: executing program 0 (id=452): pread64(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0) 315.36367ms ago: executing program 0 (id=456): rt_sigreturn() 63.928734ms ago: executing program 3 (id=526): syz_open_dev$drirender(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$drirender(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$drirender(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$drirender(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$drirender(&(0x7f0000000140), 0x1, 0x0) syz_open_dev$drirender(&(0x7f0000000180), 0x1, 0x1) syz_open_dev$drirender(&(0x7f00000001c0), 0x1, 0x2) syz_open_dev$drirender(&(0x7f0000000200), 0x1, 0x800) syz_open_dev$drirender(&(0x7f0000000240), 0x2, 0x0) syz_open_dev$drirender(&(0x7f0000000280), 0x2, 0x1) syz_open_dev$drirender(&(0x7f00000002c0), 0x2, 0x2) syz_open_dev$drirender(&(0x7f0000000300), 0x2, 0x800) syz_open_dev$drirender(&(0x7f0000000340), 0x3, 0x0) syz_open_dev$drirender(&(0x7f0000000380), 0x3, 0x1) syz_open_dev$drirender(&(0x7f00000003c0), 0x3, 0x2) syz_open_dev$drirender(&(0x7f0000000400), 0x3, 0x800) syz_open_dev$drirender(&(0x7f0000000440), 0x4, 0x0) syz_open_dev$drirender(&(0x7f0000000480), 0x4, 0x1) syz_open_dev$drirender(&(0x7f00000004c0), 0x4, 0x2) syz_open_dev$drirender(&(0x7f0000000500), 0x4, 0x800) 63.832474ms ago: executing program 4 (id=527): socket$pppl2tp(0x18, 0x1, 0x1) 63.765314ms ago: executing program 1 (id=528): openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sys/fs/binfmt_misc/register', 0x1, 0x0) 37.654587ms ago: executing program 3 (id=529): membarrier(0x0, 0x0) 37.547877ms ago: executing program 1 (id=530): syz_init_net_socket$bt_hidp(0x1f, 0x3, 0x6) 37.351626ms ago: executing program 4 (id=531): link(&(0x7f0000000000), &(0x7f0000000000)) 37.259507ms ago: executing program 1 (id=532): mq_unlink(&(0x7f0000000000)) 37.158767ms ago: executing program 4 (id=533): name_to_handle_at(0xffffffffffffffff, &(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000), 0x0) 37.133477ms ago: executing program 3 (id=534): syz_init_net_socket$rose(0xb, 0x5, 0x0) 37.067177ms ago: executing program 1 (id=535): memfd_secret(0x0) 37.031377ms ago: executing program 4 (id=536): openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self/attr/exec', 0x2, 0x0) 821.76µs ago: executing program 1 (id=537): waitid(0x0, 0x0, 0x0, 0x0, 0x0) 696.12µs ago: executing program 3 (id=538): rt_tgsigqueueinfo(0x0, 0x0, 0x0, &(0x7f0000000000)) 586.45µs ago: executing program 4 (id=539): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/capi20', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/capi20', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/capi20', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/capi20', 0x800, 0x0) 479.31µs ago: executing program 3 (id=540): syz_open_dev$video(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$video(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$video(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$video(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$video(&(0x7f0000000140), 0x1, 0x0) syz_open_dev$video(&(0x7f0000000180), 0x1, 0x1) syz_open_dev$video(&(0x7f00000001c0), 0x1, 0x2) syz_open_dev$video(&(0x7f0000000200), 0x1, 0x800) syz_open_dev$video(&(0x7f0000000240), 0x2, 0x0) syz_open_dev$video(&(0x7f0000000280), 0x2, 0x1) syz_open_dev$video(&(0x7f00000002c0), 0x2, 0x2) syz_open_dev$video(&(0x7f0000000300), 0x2, 0x800) syz_open_dev$video(&(0x7f0000000340), 0x3, 0x0) syz_open_dev$video(&(0x7f0000000380), 0x3, 0x1) syz_open_dev$video(&(0x7f00000003c0), 0x3, 0x2) syz_open_dev$video(&(0x7f0000000400), 0x3, 0x800) syz_open_dev$video(&(0x7f0000000440), 0x4, 0x0) syz_open_dev$video(&(0x7f0000000480), 0x4, 0x1) syz_open_dev$video(&(0x7f00000004c0), 0x4, 0x2) syz_open_dev$video(&(0x7f0000000500), 0x4, 0x800) 211.65µs ago: executing program 1 (id=541): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/kernel/debug/bluetooth/6lowpan_control', 0x2, 0x0) 137.45µs ago: executing program 4 (id=542): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/fs/smackfs/ipv6host', 0x2, 0x0) 0s ago: executing program 3 (id=543): mprotect(0x0, 0x0, 0x0) kernel console output (not intermixed with test programs): syzkaller syzkaller login: [ 17.805948][ T29] kauditd_printk_skb: 64 callbacks suppressed [ 17.805966][ T29] audit: type=1400 audit(1730601858.846:76): avc: denied { transition } for pid=3202 comm="sshd" path="/bin/sh" dev="sda1" ino=89 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 17.811314][ T29] audit: type=1400 audit(1730601858.846:77): avc: denied { noatsecure } for pid=3202 comm="sshd" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 17.814148][ T29] audit: type=1400 audit(1730601858.846:78): avc: denied { write } for pid=3202 comm="sh" path="pipe:[698]" dev="pipefs" ino=698 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 17.817952][ T29] audit: type=1400 audit(1730601858.846:79): avc: denied { rlimitinh } for pid=3202 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 17.821125][ T29] audit: type=1400 audit(1730601858.846:80): avc: denied { siginh } for pid=3202 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 21.387239][ T29] audit: type=1400 audit(1730601862.436:81): avc: denied { read } for pid=3006 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 '10.128.0.80' (ED25519) to the list of known hosts. [ 26.053786][ T29] audit: type=1400 audit(1730601867.096:82): avc: denied { mounton } for pid=3311 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 [ 26.055061][ T3311] cgroup: Unknown subsys name 'net' [ 26.076867][ T29] audit: type=1400 audit(1730601867.096:83): avc: denied { mount } for pid=3311 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 [ 26.104344][ T29] audit: type=1400 audit(1730601867.126:84): avc: denied { unmount } for pid=3311 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 26.280568][ T3311] cgroup: Unknown subsys name 'cpuset' [ 26.286765][ T3311] cgroup: Unknown subsys name 'rlimit' [ 26.424489][ T29] audit: type=1400 audit(1730601867.466:85): avc: denied { setattr } for pid=3311 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 [ 26.449585][ T29] audit: type=1400 audit(1730601867.466:86): avc: denied { create } for pid=3311 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 26.470218][ T29] audit: type=1400 audit(1730601867.466:87): avc: denied { write } for pid=3311 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 26.490670][ T29] audit: type=1400 audit(1730601867.466:88): avc: denied { read } for pid=3311 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 26.499438][ T3315] SELinux: Context root:object_r:swapfile_t is not valid (left unmapped). [ 26.511136][ T29] audit: type=1400 audit(1730601867.476:89): avc: denied { mounton } for pid=3311 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 [ 26.544873][ T29] audit: type=1400 audit(1730601867.476:90): avc: denied { mount } for pid=3311 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 Setting up swapspace version 1, size = 127995904 bytes [ 26.568181][ T29] audit: type=1400 audit(1730601867.566:91): avc: denied { relabelto } for pid=3315 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" [ 26.598113][ T3311] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 28.030353][ T3579] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 29.049771][ T3325] ================================================================== [ 29.058031][ T3325] BUG: KCSAN: data-race in pollwake / pollwake [ 29.064223][ T3325] [ 29.066564][ T3325] write to 0xffffc9000132fa00 of 4 bytes by task 3326 on cpu 0: [ 29.074224][ T3325] pollwake+0xbe/0x110 [ 29.078332][ T3325] __wake_up_sync_key+0x51/0x80 [ 29.083237][ T3325] pipe_write+0x962/0xd20 [ 29.087616][ T3325] vfs_write+0x77f/0x920 [ 29.091901][ T3325] ksys_write+0xeb/0x1b0 [ 29.096196][ T3325] __x64_sys_write+0x42/0x50 [ 29.100824][ T3325] x64_sys_call+0x27dd/0x2d60 [ 29.105540][ T3325] do_syscall_64+0xc9/0x1c0 [ 29.110076][ T3325] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 29.116171][ T3325] [ 29.118525][ T3325] write to 0xffffc9000132fa00 of 4 bytes by task 3325 on cpu 1: [ 29.126251][ T3325] pollwake+0xbe/0x110 [ 29.130495][ T3325] __wake_up_sync_key+0x51/0x80 [ 29.135391][ T3325] pipe_write+0x962/0xd20 [ 29.139808][ T3325] vfs_write+0x77f/0x920 [ 29.144067][ T3325] ksys_write+0xeb/0x1b0 [ 29.148416][ T3325] __x64_sys_write+0x42/0x50 [ 29.153014][ T3325] x64_sys_call+0x27dd/0x2d60 [ 29.157695][ T3325] do_syscall_64+0xc9/0x1c0 [ 29.162204][ T3325] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 29.168130][ T3325] [ 29.170446][ T3325] value changed: 0x00000000 -> 0x00000001 [ 29.176172][ T3325] [ 29.178490][ T3325] Reported by Kernel Concurrency Sanitizer on: [ 29.184651][ T3325] CPU: 1 UID: 0 PID: 3325 Comm: syz-executor Not tainted 6.12.0-rc5-syzkaller-00308-g3e5e6c9900c3 #0 [ 29.195521][ T3325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 29.205747][ T3325] ================================================================== SYZFAIL: failed to send rpc fd=3 want=160 sent=0 n=-1 (errno 32: Broken pipe)