./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor593974118 <...> Warning: Permanently added '10.128.1.54' (ED25519) to the list of known hosts. execve("./syz-executor593974118", ["./syz-executor593974118"], 0x7ffcf0994ec0 /* 10 vars */) = 0 brk(NULL) = 0x555555ff9000 brk(0x555555ff9d00) = 0x555555ff9d00 arch_prctl(ARCH_SET_FS, 0x555555ff9380) = 0 set_tid_address(0x555555ff9650) = 355 set_robust_list(0x555555ff9660, 24) = 0 rseq(0x555555ff9ca0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor593974118", 4096) = 27 getrandom("\xa1\xb1\x68\x68\xc2\x4d\xc6\x99", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555ff9d00 brk(0x55555601ad00) = 0x55555601ad00 brk(0x55555601b000) = 0x55555601b000 mprotect(0x7fb29e7d2000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ff9650) = 356 ./strace-static-x86_64: Process 356 attached [pid 356] set_robust_list(0x555555ff9660, 24) = 0 [pid 356] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 356] setpgid(0, 0) = 0 [pid 356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 356] write(3, "1000", 4) = 4 [pid 356] close(3) = 0 [pid 356] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3 [ 21.889368][ T23] audit: type=1400 audit(1713420169.490:66): avc: denied { execmem } for pid=355 comm="syz-executor593" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 21.912705][ T23] audit: type=1400 audit(1713420169.510:67): avc: denied { read } for pid=356 comm="syz-executor593" name="kvm" dev="devtmpfs" ino=95 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:kvm_device_t tclass=chr_file permissive=1 [ 21.928454][ T356] 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. [ 21.935619][ T23] audit: type=1400 audit(1713420169.510:68): avc: denied { open } for pid=356 comm="syz-executor593" path="/dev/kvm" dev="devtmpfs" ino=95 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:kvm_device_t tclass=chr_file permissive=1 [pid 356] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 356] dup(4) = 5 [pid 356] ioctl(5, KVM_CREATE_VCPU, 0) = 6 [pid 356] ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=0, flags=0, guest_phys_addr=0, memory_size=8192, userspace_addr=0x20000000}) = 0 [pid 356] ioctl(6, KVM_RUN, 0) = 0 [pid 356] exit_group(0) = ? [pid 356] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=356, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ff9650) = 359 ./strace-static-x86_64: Process 359 attached [pid 359] set_robust_list(0x555555ff9660, 24) = 0 [pid 359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 359] setpgid(0, 0) = 0 [pid 359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 359] write(3, "1000", 4) = 4 [pid 359] close(3) = 0 [pid 359] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3 [pid 359] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 359] dup(4) = 5 [pid 359] ioctl(5, KVM_CREATE_VCPU, 0) = 6 [pid 359] ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=0, flags=0, guest_phys_addr=0, memory_size=8192, userspace_addr=0x20000000}) = 0 [pid 359] ioctl(6, KVM_RUN, 0) = 0 [pid 359] exit_group(0) = ? [ 21.974319][ T23] audit: type=1400 audit(1713420169.530:69): avc: denied { ioctl } for pid=356 comm="syz-executor593" path="/dev/kvm" dev="devtmpfs" ino=95 ioctlcmd=0xae01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:kvm_device_t tclass=chr_file permissive=1 [pid 359] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=359, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 361 attached [pid 361] set_robust_list(0x555555ff9660, 24) = 0 [pid 361] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 361] setpgid(0, 0) = 0 [pid 361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 355] <... clone resumed>, child_tidptr=0x555555ff9650) = 361 [pid 361] write(3, "1000", 4) = 4 [pid 361] close(3) = 0 [pid 361] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3 [pid 361] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 361] dup(4) = 5 [pid 361] ioctl(5, KVM_CREATE_VCPU, 0) = 6 [pid 361] ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=0, flags=0, guest_phys_addr=0, memory_size=8192, userspace_addr=0x20000000}) = 0 [pid 361] ioctl(6, KVM_RUN, 0) = 0 [pid 361] exit_group(0) = ? [pid 361] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=361, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ff9650) = 363 ./strace-static-x86_64: Process 363 attached [pid 363] set_robust_list(0x555555ff9660, 24) = 0 [pid 363] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 363] setpgid(0, 0) = 0 [pid 363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 363] write(3, "1000", 4) = 4 [pid 363] close(3) = 0 [pid 363] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3 [pid 363] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 363] dup(4) = 5 [pid 363] ioctl(5, KVM_CREATE_VCPU, 0) = 6 [pid 363] ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=0, flags=0, guest_phys_addr=0, memory_size=8192, userspace_addr=0x20000000}) = 0 [pid 363] ioctl(6, KVM_RUN, 0) = 0 [pid 363] exit_group(0) = ? [pid 363] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=363, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ff9650) = 365 ./strace-static-x86_64: Process 365 attached [pid 365] set_robust_list(0x555555ff9660, 24) = 0 [pid 365] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 365] setpgid(0, 0) = 0 [pid 365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 365] write(3, "1000", 4) = 4 [pid 365] close(3) = 0 [pid 365] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3 [pid 365] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 365] dup(4) = 5 [pid 365] ioctl(5, KVM_CREATE_VCPU, 0) = 6 [pid 365] ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=0, flags=0, guest_phys_addr=0, memory_size=8192, userspace_addr=0x20000000}) = 0 [pid 365] ioctl(6, KVM_RUN, 0) = 0 [pid 365] exit_group(0) = ? [pid 365] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=365, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ff9650) = 367 ./strace-static-x86_64: Process 367 attached [pid 367] set_robust_list(0x555555ff9660, 24) = 0 [pid 367] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 367] setpgid(0, 0) = 0 [pid 367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 367] write(3, "1000", 4) = 4 [pid 367] close(3) = 0 [pid 367] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3 [pid 367] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 367] dup(4) = 5 [pid 367] ioctl(5, KVM_CREATE_VCPU, 0) = 6 [pid 367] ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=0, flags=0, guest_phys_addr=0, memory_size=8192, userspace_addr=0x20000000}) = 0 [pid 367] ioctl(6, KVM_RUN, 0) = 0 [pid 367] exit_group(0) = ? [pid 367] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=367, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 369 attached [pid 369] set_robust_list(0x555555ff9660, 24) = 0 [pid 369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 369] setpgid(0, 0) = 0 [pid 369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 355] <... clone resumed>, child_tidptr=0x555555ff9650) = 369 [pid 369] <... openat resumed>) = 3 [pid 369] write(3, "1000", 4) = 4 [pid 369] close(3) = 0 [pid 369] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3 [pid 369] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 369] dup(4) = 5 [pid 369] ioctl(5, KVM_CREATE_VCPU, 0) = 6 [pid 369] ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=0, flags=0, guest_phys_addr=0, memory_size=8192, userspace_addr=0x20000000}) = 0 [pid 369] ioctl(6, KVM_RUN, 0) = 0 [pid 369] exit_group(0) = ? [pid 369] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=369, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ff9650) = 371 ./strace-static-x86_64: Process 371 attached [pid 371] set_robust_list(0x555555ff9660, 24) = 0 [pid 371] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 371] setpgid(0, 0) = 0 [pid 371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 371] write(3, "1000", 4) = 4 [pid 371] close(3) = 0 [pid 371] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3 [pid 371] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 371] dup(4) = 5 [pid 371] ioctl(5, KVM_CREATE_VCPU, 0) = 6 [pid 371] ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=0, flags=0, guest_phys_addr=0, memory_size=8192, userspace_addr=0x20000000}) = 0 [pid 371] ioctl(6, KVM_RUN, 0) = 0 [pid 371] exit_group(0) = ? [pid 371] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=371, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ff9650) = 373 ./strace-static-x86_64: Process 373 attached [pid 373] set_robust_list(0x555555ff9660, 24) = 0 [pid 373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 373] setpgid(0, 0) = 0 [pid 373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 373] write(3, "1000", 4) = 4 [pid 373] close(3) = 0 [pid 373] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3 [pid 373] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 373] dup(4) = 5 [pid 373] ioctl(5, KVM_CREATE_VCPU, 0) = 6 [pid 373] ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=0, flags=0, guest_phys_addr=0, memory_size=8192, userspace_addr=0x20000000}) = 0 [pid 373] ioctl(6, KVM_RUN, 0) = 0 [pid 373] exit_group(0) = ? [pid 373] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=373, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 375 attached [pid 375] set_robust_list(0x555555ff9660, 24) = 0 [pid 375] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 375] setpgid(0, 0) = 0 [pid 375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 375] write(3, "1000", 4) = 4 [pid 375] close(3) = 0 [pid 375] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3 [pid 375] ioctl(3, KVM_CREATE_VM, 0 [pid 355] <... clone resumed>, child_tidptr=0x555555ff9650) = 375 [pid 375] <... ioctl resumed>) = 4 [pid 375] dup(4) = 5 [pid 375] ioctl(5, KVM_CREATE_VCPU, 0) = 6 [pid 375] ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=0, flags=0, guest_phys_addr=0, memory_size=8192, userspace_addr=0x20000000}) = 0 [pid 375] ioctl(6, KVM_RUN, 0) = 0 [pid 375] exit_group(0) = ? [pid 375] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=375, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 377 attached [pid 377] set_robust_list(0x555555ff9660, 24) = 0 [pid 377] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 377] setpgid(0, 0) = 0 [pid 377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 377] write(3, "1000", 4) = 4 [pid 377] close(3) = 0 [pid 377] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3 [pid 377] ioctl(3, KVM_CREATE_VM, 0 [pid 355] <... clone resumed>, child_tidptr=0x555555ff9650) = 377 [pid 377] <... ioctl resumed>) = 4 [pid 377] dup(4) = 5 [pid 377] ioctl(5, KVM_CREATE_VCPU, 0) = 6 [pid 377] ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=0, flags=0, guest_phys_addr=0, memory_size=8192, userspace_addr=0x20000000}) = 0 [pid 377] ioctl(6, KVM_RUN, 0) = 0 [pid 377] exit_group(0) = ? [pid 377] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=377, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ff9650) = 379 ./strace-static-x86_64: Process 379 attached [pid 379] set_robust_list(0x555555ff9660, 24) = 0 [pid 379] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 379] setpgid(0, 0) = 0 [pid 379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 379] write(3, "1000", 4) = 4 [pid 379] close(3) = 0 [pid 379] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3 [pid 379] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 379] dup(4) = 5 [pid 379] ioctl(5, KVM_CREATE_VCPU, 0) = 6 [pid 379] ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=0, flags=0, guest_phys_addr=0, memory_size=8192, userspace_addr=0x20000000}) = 0 [pid 379] ioctl(6, KVM_RUN, 0) = 0 [pid 379] exit_group(0) = ? [pid 379] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=379, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 381 attached , child_tidptr=0x555555ff9650) = 381 [pid 381] set_robust_list(0x555555ff9660, 24) = 0 [pid 381] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 381] setpgid(0, 0) = 0 [pid 381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 381] write(3, "1000", 4) = 4 [pid 381] close(3) = 0 [pid 381] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3 [pid 381] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 381] dup(4) = 5 [pid 381] ioctl(5, KVM_CREATE_VCPU, 0) = 6 [pid 381] ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=0, flags=0, guest_phys_addr=0, memory_size=8192, userspace_addr=0x20000000}) = 0 [pid 381] ioctl(6, KVM_RUN, 0) = 0 [pid 381] exit_group(0) = ? [pid 381] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=381, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ff9650) = 383 ./strace-static-x86_64: Process 383 attached [pid 383] set_robust_list(0x555555ff9660, 24) = 0 [pid 383] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 383] setpgid(0, 0) = 0 [pid 383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 383] write(3, "1000", 4) = 4 [pid 383] close(3) = 0 [pid 383] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3 [pid 383] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 383] dup(4) = 5 [pid 383] ioctl(5, KVM_CREATE_VCPU, 0) = 6 [pid 383] ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=0, flags=0, guest_phys_addr=0, memory_size=8192, userspace_addr=0x20000000}) = 0 [pid 383] ioctl(6, KVM_RUN, 0) = 0 [pid 383] exit_group(0) = ? [pid 383] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=383, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555555ff9650) = 385 ./strace-static-x86_64: Process 385 attached [pid 385] set_robust_list(0x555555ff9660, 24) = 0 [pid 385] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 385] setpgid(0, 0) = 0 [pid 385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 385] write(3, "1000", 4) = 4 [pid 385] close(3) = 0 [pid 385] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3 [pid 385] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 385] dup(4) = 5 [pid 385] ioctl(5, KVM_CREATE_VCPU, 0) = 6 [pid 385] ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=0, flags=0, guest_phys_addr=0, memory_size=8192, userspace_addr=0x20000000}) = 0 [ 22.355570][ T385] BUG: kernel NULL pointer dereference, address: 0000000000000086 [ 22.363190][ T385] #PF: supervisor instruction fetch in kernel mode [ 22.369605][ T385] #PF: error_code(0x0010) - not-present page [ 22.375415][ T385] PGD 1db626067 P4D 1db626067 PUD 1db627067 PMD 0 [ 22.381753][ T385] Oops: 0010 [#1] PREEMPT SMP KASAN [ 22.386793][ T385] CPU: 1 PID: 385 Comm: syz-executor593 Not tainted 5.4.268-syzkaller-00003-g2d5d8240a7cb #0 [ 22.396766][ T385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 22.406694][ T385] RIP: 0010:0x86 [ 22.410049][ T385] Code: Bad RIP value. [ 22.413964][ T385] RSP: 0018:ffff8881db03f308 EFLAGS: 00010086 [ 22.419957][ T385] RAX: ffff8881db03f338 RBX: dffffc0000000000 RCX: ffff8881e0762f40 [ 22.427854][ T385] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 22.435665][ T385] RBP: 0000000000000ec0 R08: ffffffff82315341 R09: ffffffff811c9085 [ 22.443476][ T385] R10: ffff8881e0762f40 R11: 0000000000000002 R12: ffffffff84601550 [ 22.451292][ T385] R13: fffffe0000000ec8 R14: ffff8881db140000 R15: fffffe0000000ecb [ 22.459191][ T385] FS: 0000555555ff9380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 22.468563][ T385] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.475093][ T385] CR2: 000000000000005c CR3: 00000001db74a000 CR4: 00000000003426a0 [ 22.482884][ T385] Call Trace: [ 22.486027][ T385] ? __die+0xb4/0x100 [ 22.489831][ T385] ? no_context+0xbda/0xe50 [ 22.494167][ T385] ? is_prefetch+0x4b0/0x4b0 [ 22.498597][ T385] ? rcu_preempt_deferred_qs+0xa4/0x2b0 [ 22.503977][ T385] ? __do_page_fault+0xa7d/0xbb0 [ 22.508752][ T385] ? vmx_spec_ctrl_restore_host+0x83/0xfd [ 22.514399][ T385] ? __bad_area_nosemaphore+0xc0/0x460 [ 22.519687][ T385] ? page_fault+0x2f/0x40 [ 22.523945][ T385] ? __entry_text_end+0x4/0x4 [ 22.528466][ T385] ? vmx_handle_exit_irqoff+0x45/0x220 [ 22.533789][ T385] ? check_preemption_disabled+0x91/0x320 [ 22.539310][ T385] ? handle_external_interrupt_irqoff+0x148/0x2f0 [ 22.545557][ T385] ? handle_external_interrupt_irqoff+0x12a/0x2f0 [ 22.551808][ T385] ? __entry_text_end+0x4/0x4 [ 22.556316][ T385] ? vcpu_enter_guest+0x2d06/0x9f70 [ 22.561384][ T385] ? check_preemption_disabled+0x9f/0x320 [ 22.566998][ T385] ? debug_smp_processor_id+0x20/0x20 [ 22.572202][ T385] ? __free_pages_ok+0x847/0x950 [ 22.577059][ T385] ? __kvm_set_memory_region+0xda6/0xf60 [ 22.582528][ T385] ? kvm_vm_ioctl_set_memory_region+0x67/0x90 [ 22.588436][ T385] ? do_vfs_ioctl+0x742/0x1720 [ 22.593031][ T385] ? __x64_sys_ioctl+0xd4/0x110 [ 22.597718][ T385] ? do_syscall_64+0xca/0x1c0 [ 22.602325][ T385] ? local_bh_enable+0x20/0x20 [ 22.606946][ T385] ? __free_one_page+0x7f3/0xa60 [ 22.611692][ T385] ? _raw_spin_unlock+0x49/0x60 [ 22.616553][ T385] ? check_preemption_disabled+0x9f/0x320 [ 22.622627][ T385] ? set_pageblock_migratetype+0x150/0x150 [ 22.628269][ T385] ? kvm_mmu_change_mmu_pages+0x2dc/0x320 [ 22.633823][ T385] ? debug_smp_processor_id+0x20/0x20 [ 22.639115][ T385] ? synchronize_srcu_expedited+0x20/0x20 [ 22.644678][ T385] ? llist_add_batch+0x91/0xb0 [ 22.649272][ T385] ? generic_exec_single+0x280/0x3e0 [ 22.654394][ T385] ? smp_call_function_single+0x4a0/0x4a0 [ 22.660059][ T385] ? update_load_avg+0x40f/0x1210 [ 22.664925][ T385] ? smp_call_function_single+0x388/0x4a0 [ 22.670475][ T385] ? loaded_vmcs_clear+0x80/0x80 [ 22.675245][ T385] ? generic_smp_call_function_single_interrupt+0x10/0x10 [ 22.682193][ T385] ? check_preemption_disabled+0x9f/0x320 [ 22.687749][ T385] ? loaded_vmcs_clear+0x80/0x80 [ 22.692660][ T385] ? debug_smp_processor_id+0x20/0x20 [ 22.697832][ T385] ? get_cpu_entry_area+0x8/0x30 [ 22.702586][ T385] ? vmx_vcpu_load_vmcs+0x655/0x8b0 [ 22.707624][ T385] ? read_msr+0x40/0x40 [ 22.711614][ T385] ? check_preemption_disabled+0x9f/0x320 [ 22.717173][ T385] ? debug_smp_processor_id+0x20/0x20 [ 22.722381][ T385] ? kvm_arch_vcpu_ioctl_run+0x748/0x18d0 [ 22.727948][ T385] ? kvm_vcpu_ioctl+0x7f9/0xd10 [ 22.732621][ T385] ? create_vcpu_fd+0x120/0x120 [ 22.737400][ T385] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 22.742429][ T385] ? _raw_spin_lock_irqsave+0x210/0x210 [ 22.747816][ T385] ? cgroup_update_frozen+0x157/0xab0 [ 22.753014][ T385] ? cgroup_update_frozen+0x157/0xab0 [ 22.758310][ T385] ? cgroup_leave_frozen+0x13c/0x290 [ 22.763436][ T385] ? ptrace_stop+0x6ee/0xa30 [ 22.767858][ T385] ? create_vcpu_fd+0x120/0x120 [ 22.772543][ T385] ? do_vfs_ioctl+0x742/0x1720 [ 22.777240][ T385] ? ioctl_preallocate+0x250/0x250 [ 22.782200][ T385] ? check_preemption_disabled+0x153/0x320 [ 22.787827][ T385] ? syscall_trace_enter+0x650/0x940 [ 22.792949][ T385] ? do_syscall_64+0x1c0/0x1c0 [ 22.797548][ T385] ? switch_fpu_return+0x1d4/0x410 [ 22.802501][ T385] ? security_file_ioctl+0x7d/0xa0 [ 22.807444][ T385] ? __x64_sys_ioctl+0xd4/0x110 [ 22.812130][ T385] ? do_syscall_64+0xca/0x1c0 [ 22.816643][ T385] ? entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 22.822720][ T385] Modules linked in: [ 22.826460][ T385] CR2: 0000000000000086 [ 22.830445][ T385] ---[ end trace 3d47a8fba9a39d76 ]--- [ 22.836018][ T385] RIP: 0010:0x86 [ 22.839644][ T385] Code: Bad RIP value. [ 22.843542][ T385] RSP: 0018:ffff8881db03f308 EFLAGS: 00010086 [ 22.849534][ T385] RAX: ffff8881db03f338 RBX: dffffc0000000000 RCX: ffff8881e0762f40 [ 22.857341][ T385] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 22.865153][ T385] RBP: 0000000000000ec0 R08: ffffffff82315341 R09: ffffffff811c9085 [ 22.872967][ T385] R10: ffff8881e0762f40 R11: 0000000000000002 R12: ffffffff84601550 [ 22.880781][ T385] R13: fffffe0000000ec8 R14: ffff8881db140000 R15: fffffe0000000ecb [ 22.888592][ T385] FS: 0000555555ff9380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 22.897354][ T385] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.903776][ T385] CR2: 000000000000005c CR3: 00000001db74a000 CR4: 00000000003426a0 [ 22.911589][ T385] Kernel panic - not syncing: Fatal exception [ 22.917726][ T385] Kernel Offset: disabled [ 22.921844][ T385] Rebooting in 86400 seconds..