ci2-android-6-12-rust/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-6-12-rust/syz-executor947454844 <...> Warning: Permanently added '10.128.1.4' (ED25519) to the list of known hosts. execve("ci2-android-6-12-rust/syz-executor947454844", ["ci2-android-6-12-rust/syz-executor947454844"], 0x7ffc637a5be0 /* 10 vars */) = 0 brk(NULL) = 0x55557cd92000 brk(0x55557cd92d40) = 0x55557cd92d40 arch_prctl(ARCH_SET_FS, 0x55557cd923c0) = 0 set_tid_address(0x55557cd92690) = 311 set_robust_list(0x55557cd926a0, 24) = 0 rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 32, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci2-android-6-12-rust/syz-executor947454844", 4096) = 49 getrandom("\xd0\x77\xaa\x7a\xe3\xaa\x89\xbe", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557cd92d40 brk(0x55557cdb3d40) = 0x55557cdb3d40 brk(0x55557cdb4000) = 0x55557cdb4000 mprotect(0x7fc715ad4000, 20480, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 mkdir("/syzcgroup", 0777) = 0 mkdir("/syzcgroup/unified", 0777) = 0 mount("none", "/syzcgroup/unified", "cgroup2", 0, NULL) = 0 chmod("/syzcgroup/unified", 0777) = 0 openat(AT_FDCWD, "/syzcgroup/unified/cgroup.subtree_control", O_WRONLY) = 3 write(3, "+cpu", 4) = 4 write(3, "+io", 3) = 3 write(3, "+pids", 5) = 5 close(3) = 0 mkdir("/syzcgroup/net", 0777) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "net") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio") = 0 umount2("/syzcgroup/net", 0) = 0 [ 19.959022][ T36] audit: type=1400 audit(1792066126.420:64): avc: denied { execmem } for pid=311 comm="syz-executor947" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 19.962244][ T311] cgroup: Unknown subsys name 'net' [ 19.979018][ T36] audit: type=1400 audit(1792066126.420:65): avc: denied { mounton } for pid=311 comm="syz-executor947" path="/syzcgroup/unified" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 mount("none", "/syzcgroup/net", "cgroup", 0, "devices") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/net", "cgroup", 0, "blkio") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "freezer") = 0 umount2("/syzcgroup/net", 0) = 0 [ 20.007184][ T311] cgroup: Unknown subsys name 'devices' [ 20.007338][ T36] audit: type=1400 audit(1792066126.420:66): avc: denied { mount } for pid=311 comm="syz-executor947" name="/" dev="cgroup2" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 [ 20.035935][ T36] audit: type=1400 audit(1792066126.420:67): avc: denied { mounton } for pid=311 comm="syz-executor947" path="/syzcgroup/net" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:root_t tclass=dir permissive=1 mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) [ 20.058504][ T36] audit: type=1400 audit(1792066126.440:68): avc: denied { unmount } for pid=311 comm="syz-executor947" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:cgroup_t tclass=filesystem permissive=1 mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,blkio,freezer") = 0 chmod("/syzcgroup/net", 0777) = 0 mkdir("/syzcgroup/cpu", 0777) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "hugetlb") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/cpu", "cgroup", 0, "rlimit") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/cpu", "cgroup", 0, "memory") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,memory") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,memory") = ? ERESTARTNOINTR (To be restarted) [ 20.160386][ T311] cgroup: Unknown subsys name 'hugetlb' [ 20.166394][ T311] cgroup: Unknown subsys name 'rlimit' mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,memory") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,memory") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset,cpuacct,memory") = 0 chmod("/syzcgroup/cpu", 0777) = 0 openat(AT_FDCWD, "/syzcgroup/cpu/cgroup.clone_children", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/syzcgroup/cpu/cpuset.memory_pressure_enabled", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 getrandom("\x63\xbb\x81\xb7\xfc\xdf\xfe\x57", 8, GRND_NONBLOCK) = 8 mkdir("./syzkaller.doHZpT", 0700) = 0 chmod("./syzkaller.doHZpT", 0777) = 0 chdir("./syzkaller.doHZpT") = 0 unshare(CLONE_NEWPID) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-12-rust/strace-static-x86_64: Process 312 attached [pid 312] set_robust_list(0x55557cd926a0, 24) = 0 [pid 311] <... clone resumed>, child_tidptr=0x55557cd92690) = 312 [pid 312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 312] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 311] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 312] getppid() = 0 [pid 312] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0 [pid 312] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0 [pid 312] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0 [pid 312] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0 [pid 312] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0 [pid 312] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0 [pid 312] unshare(CLONE_NEWNS) = 0 [pid 312] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 312] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument) [pid 312] unshare(CLONE_NEWCGROUP) = 0 [pid 312] unshare(CLONE_NEWUTS) = 0 [pid 312] unshare(CLONE_SYSVSEM) = 0 [pid 312] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 312] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 312] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 312] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 312] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 312] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 312] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) [pid 312] getpid() = 1 [pid 312] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 313] set_robust_list(0x55557cd926a0, 24) = 0 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 312] <... clone resumed>, child_tidptr=0x55557cd92690) = 2 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] chdir("./0") = 0 [pid 313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 313] setpgid(0, 0) = 0 [pid 313] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 312] rt_sigprocmask(SIG_SETMASK, [] [pid 313] <... symlink resumed>) = 0 [pid 312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 313] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 313] write(3, "1000", 4) = 4 [pid 313] close(3) = 0 [pid 313] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 313] write(1, "executing program\n", 18) = 18 [pid 313] futex(0x7fc715adab6c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 313] rt_sigaction(SIGRT_1, {sa_handler=0x7fc715a3d6d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fc715a2f660}, NULL, 8) = 0 [pid 313] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 313] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fc7159d4000 [pid 313] mprotect(0x7fc7159d5000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 313] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fc7159f4990, parent_tid=0x7fc7159f4990, exit_signal=0, stack=0x7fc7159d4000, stack_size=0x20300, tls=0x7fc7159f46c0}ci2-android-6-12-rust/strace-static-x86_64: Process 314 attached => {parent_tid=[3]}, 88) = 3 [pid 314] set_robust_list(0x7fc7159f49a0, 24 [pid 313] rt_sigprocmask(SIG_SETMASK, [] [pid 314] <... set_robust_list resumed>) = 0 [pid 313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 314] rt_sigprocmask(SIG_SETMASK, [] [pid 313] futex(0x7fc715adab68, FUTEX_WAKE_PRIVATE, 1000000 [pid 314] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 313] <... futex resumed>) = 0 [pid 314] mkdirat(AT_FDCWD, "./cgroup.net/syz0", 0777 [pid 313] futex(0x7fc715adab6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 314] <... mkdirat resumed>) = 0 [pid 314] futex(0x7fc715adab6c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 313] <... futex resumed>) = 0 [pid 314] futex(0x7fc715adab68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 313] futex(0x7fc715adab68, FUTEX_WAKE_PRIVATE, 1000000 [pid 314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 313] <... futex resumed>) = 0 [pid 314] openat(AT_FDCWD, "./cgroup.net/syz0", O_RDWR|O_PATH [pid 313] futex(0x7fc715adab6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 314] <... openat resumed>) = 3 [pid 314] futex(0x7fc715adab6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 313] <... futex resumed>) = 0 [pid 314] <... futex resumed>) = 1 [pid 313] futex(0x7fc715adab68, FUTEX_WAKE_PRIVATE, 1000000 [pid 314] openat(3, "freezer.state", O_RDWR [pid 313] <... futex resumed>) = 0 [pid 314] <... openat resumed>) = 4 [pid 313] futex(0x7fc715adab6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 314] futex(0x7fc715adab6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 314] <... futex resumed>) = 0 [pid 313] futex(0x7fc715adab68, FUTEX_WAKE_PRIVATE, 1000000 [pid 314] openat(3, "tasks", O_RDWR [pid 313] <... futex resumed>) = 0 [pid 314] <... openat resumed>) = 5 [pid 313] futex(0x7fc715adab6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 314] futex(0x7fc715adab6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 314] <... futex resumed>) = 0 [pid 313] futex(0x7fc715adab68, FUTEX_WAKE_PRIVATE, 1000000 [pid 314] write(5, "0x0000000000000000", 18 [pid 313] <... futex resumed>) = 0 [pid 314] <... write resumed>) = 18 [pid 313] futex(0x7fc715adab6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 314] futex(0x7fc715adab6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 313] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 314] <... futex resumed>) = 0 [pid 313] futex(0x7fc715adab68, FUTEX_WAKE_PRIVATE, 1000000 [pid 314] openat(AT_FDCWD, "/dev/kvm", O_WRONLY [pid 313] <... futex resumed>) = 0 [pid 313] futex(0x7fc715adab6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 314] <... openat resumed>) = 6 [pid 314] futex(0x7fc715adab6c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 314] futex(0x7fc715adab68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 313] <... futex resumed>) = 0 [pid 313] futex(0x7fc715adab68, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 314] <... futex resumed>) = 0 [pid 313] futex(0x7fc715adab6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [ 20.358794][ T36] audit: type=1400 audit(1792066126.750:73): avc: denied { mount } for pid=312 comm="syz-executor947" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1 [ 20.382714][ T312] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [pid 314] ioctl(6, KVM_CREATE_VM, 0) = 7 [pid 314] futex(0x7fc715adab6c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 313] <... futex resumed>) = 0 [pid 314] futex(0x7fc715adab68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 313] futex(0x7fc715adab68, FUTEX_WAKE_PRIVATE, 1000000 [pid 314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 313] <... futex resumed>) = 0 [pid 314] ioctl(7, KVM_CREATE_VCPU, 2 [pid 313] futex(0x7fc715adab6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 314] <... ioctl resumed>) = 8 [pid 314] futex(0x7fc715adab6c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 313] <... futex resumed>) = 0 [pid 314] futex(0x7fc715adab68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 313] futex(0x7fc715adab68, FUTEX_WAKE_PRIVATE, 1000000 [pid 314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 313] <... futex resumed>) = 0 [pid 314] ioctl(8, KVM_RUN [pid 313] futex(0x7fc715adab6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 314] <... ioctl resumed>, 0) = 0 [pid 314] futex(0x7fc715adab6c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 313] <... futex resumed>) = 0 [pid 314] futex(0x7fc715adab68, FUTEX_WAIT_PRIVATE, 0, NULL [pid 313] futex(0x7fc715adab68, FUTEX_WAKE_PRIVATE, 1000000 [pid 314] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 313] <... futex resumed>) = 0 [pid 314] write(4, "\x46\x52\x4f\x5a\x45\x4e\x00", 7 [pid 313] futex(0x7fc715adab6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 314] <... write resumed>) = 7 [ 20.410864][ T314] kvm_intel: L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. [pid 313] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 313] close(3) = 0 [pid 313] close(4) = 0 [pid 313] close(5) = 0 [pid 313] close(6) = 0 [pid 313] close(7) = 0 [pid 313] close(8 [pid 312] kill(-2, SIGKILL) = 0 [pid 312] kill(2, SIGKILL) = 0 [pid 312] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 312] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 312] getdents64(3, 0x55557cd93760 /* 2 entries */, 32768) = 48 [pid 312] getdents64(3, 0x55557cd93760 /* 0 entries */, 32768) = 0 [pid 312] close(3) = 0 [ 244.577264][ T37] INFO: task syz-executor947:313 blocked for more than 122 seconds. [ 244.585393][ T37] Not tainted syzkaller #0 [ 244.590422][ T37] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 244.599142][ T37] task:syz-executor947 state:D stack:0 pid:313 tgid:313 ppid:312 flags:0x00004004 [ 244.609412][ T37] Call Trace: [ 244.612730][ T37] [ 244.615717][ T37] __schedule+0x16fe/0x23d0 [ 244.620475][ T37] ? __sched_text_start+0x10/0x10 [ 244.625587][ T37] ? _raw_spin_unlock_irqrestore+0x4a/0x70 [ 244.631474][ T37] ? stack_depot_save_flags+0x399/0x800 [ 244.637203][ T37] schedule+0xc5/0x240 [ 244.641257][ T37] schedule_timeout+0xc7/0x3b0 [ 244.646004][ T37] ? __cfi_schedule_timeout+0x10/0x10 [ 244.651386][ T37] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 244.656936][ T37] ? ttwu_do_activate+0x620/0x620 [ 244.662125][ T37] ? _raw_spin_lock_irqsave+0xc1/0x160 [ 244.667596][ T37] ? __cfi__raw_spin_lock_irqsave+0x10/0x10 [ 244.673496][ T37] ? _raw_spin_lock_irq+0x93/0x120 [ 244.678654][ T37] wait_for_common+0x368/0x650 [ 244.683418][ T37] ? wait_for_completion+0x40/0x40 [ 244.688538][ T37] ? mutex_unlock+0x90/0x240 [ 244.693123][ T37] ? __cfi_mutex_unlock+0x10/0x10 [ 244.698159][ T37] wait_for_completion+0x1c/0x40 [ 244.703095][ T37] vhost_task_stop+0xbe/0x160 [ 244.707862][ T37] kvm_mmu_pre_destroy_vm+0x4c/0x60 [ 244.713109][ T37] kvm_arch_pre_destroy_vm+0x19/0x30 [ 244.718460][ T37] kvm_put_kvm+0x369/0x12d0 [ 244.723007][ T37] ? __cfi_kvm_vcpu_release+0x10/0x10 [ 244.728427][ T37] kvm_vcpu_release+0x58/0x80 [ 244.733101][ T37] __fput+0x208/0xa30 [ 244.737166][ T37] __fput_sync+0x4a/0x70 [ 244.741417][ T37] __se_sys_close+0x172/0x1f0 [ 244.746130][ T37] __x64_sys_close+0x3c/0x60 [ 244.750732][ T37] x64_sys_call+0x2560/0x2ee0 [ 244.755514][ T37] do_syscall_64+0x57/0xf0 [ 244.759993][ T37] ? clear_bhb_loop+0x50/0xa0 [ 244.764751][ T37] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 244.770660][ T37] RIP: 0033:0x7fc715a3eb4e [ 244.775130][ T37] RSP: 002b:00007ffdb1e1c368 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 244.783594][ T37] RAX: ffffffffffffffda RBX: 000055557cd923c0 RCX: 00007fc715a3eb4e [ 244.791584][ T37] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000008 [ 244.799564][ T37] RBP: 0000000000005003 R08: 0000000000000000 R09: 0000000000000000 [ 244.807543][ T37] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc715adab6c [ 244.815494][ T37] R13: 00007ffdb1e1c410 R14: 00007ffdb1e1c480 R15: 00007fc715a136b0 [ 244.823487][ T37] [ 244.826518][ T37] NMI backtrace for cpu 1 [ 244.826610][ T37] CPU: 1 UID: 0 PID: 37 Comm: khungtaskd Not tainted syzkaller #0 4acfbc369189e5cacd88ca5a92b3a107a9d116ed [ 244.826629][ T37] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 244.826635][ T37] Call Trace: [ 244.826639][ T37] [ 244.826643][ T37] __dump_stack+0x21/0x30 [ 244.826686][ T37] dump_stack_lvl+0x140/0x1c0 [ 244.826700][ T37] ? __cfi_dump_stack_lvl+0x10/0x10 [ 244.826716][ T37] dump_stack+0x19/0x20 [ 244.826729][ T37] nmi_cpu_backtrace+0x2ba/0x2d0 [ 244.826799][ T37] ? put_task_stack+0x107/0x230 [ 244.826860][ T37] ? __cfi_nmi_cpu_backtrace+0x10/0x10 [ 244.826874][ T37] ? sched_show_task+0x380/0x540 [ 244.826890][ T37] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10 [ 244.826948][ T37] ? __cfi_nmi_raise_cpu_backtrace+0x10/0x10 [ 244.826962][ T37] nmi_trigger_cpumask_backtrace+0x142/0x2c0 [ 244.826976][ T37] arch_trigger_cpumask_backtrace+0x14/0x20 [ 244.826990][ T37] cpumask_backtrace+0x1f/0x30 [ 244.827004][ T37] watchdog+0xe45/0xf90 [ 244.827053][ T37] ? __kasan_check_write+0x18/0x20 [ 244.827122][ T37] ? __cfi_watchdog+0x10/0x10 [ 244.827143][ T37] ? __kasan_check_read+0x15/0x20 [ 244.827156][ T37] ? __kthread_parkme+0x12f/0x180 [ 244.827214][ T37] ? schedule+0xc5/0x240 [ 244.827224][ T37] kthread+0x2c7/0x360 [ 244.827236][ T37] ? __cfi_watchdog+0x10/0x10 [ 244.827249][ T37] ? __cfi_kthread+0x10/0x10 [ 244.827261][ T37] ret_from_fork+0x67/0xa0 [ 244.827290][ T37] ? __cfi_kthread+0x10/0x10 [ 244.827302][ T37] ret_from_fork_asm+0x1a/0x30 [ 244.827314][ T37] [ 244.983807][ T37] Sending NMI from CPU 1 to CPUs 0: [ 244.989062][ C0] NMI backtrace for cpu 0 [ 244.989078][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 4acfbc369189e5cacd88ca5a92b3a107a9d116ed [ 244.989098][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 244.989107][ C0] RIP: 0010:pv_native_safe_halt+0x13/0x20 [ 244.989134][ C0] Code: cc cc cc cc cc cc cc b8 a2 98 e9 7f 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d c3 19 3f 00 55 48 89 e5 fb f4 <5d> c3 cc cc cc cc cc cc cc cc cc cc cc b8 00 00 00 00 90 90 90 90 [ 244.989205][ C0] RSP: 0018:ffffffff87c07da0 EFLAGS: 000002c2 [ 244.989219][ C0] RAX: ffff8881f6c00000 RBX: ffffffff87c156c0 RCX: ffffffff85a8453d [ 244.989231][ C0] RDX: 0000000000000001 RSI: 0000000000000004 RDI: 000000000002c5fc [ 244.989240][ C0] RBP: ffffffff87c07da0 R08: ffff8881f6c396fb R09: 1ffff1103ed872df [ 244.989251][ C0] R10: dffffc0000000000 R11: ffffed103ed872e0 R12: 0000000000000000 [ 244.989261][ C0] R13: 1ffffffff0f82ad8 R14: dffffc0000000000 R15: ffffffff886da0e8 [ 244.989273][ C0] FS: 0000000000000000(0000) GS:ffff8881f6c00000(0000) knlGS:0000000000000000 [ 244.989285][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 244.989295][ C0] CR2: 000055557cd92390 CR3: 000000010d32e000 CR4: 00000000003526b0 [ 244.989309][ C0] Call Trace: [ 244.989314][ C0] [ 244.989320][ C0] default_idle+0x17/0x30 [ 244.989341][ C0] arch_cpu_idle+0xd/0x20 [ 244.989360][ C0] default_idle_call+0x3e/0x80 [ 244.989379][ C0] do_idle+0x1df/0x570 [ 244.989457][ C0] ? idle_inject_timer_fn+0x80/0x80 [ 244.989476][ C0] cpu_startup_entry+0x47/0x60 [ 244.989493][ C0] rest_init+0x10b/0x130 [ 244.989513][ C0] ? __cfi_x86_late_time_init+0x10/0x10 [ 244.989615][ C0] start_kernel+0x462/0x4bb [ 244.989632][ C0] x86_64_start_reservations+0x2e/0x30 [ 244.989651][ C0] x86_64_start_kernel+0x6a/0x7b [ 244.989669][ C0] common_startup_64+0x13b/0x157 [ 244.989738][ C0]