./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2052327745 <...> Warning: Permanently added '10.128.0.209' (ED25519) to the list of known hosts. execve("./syz-executor2052327745", ["./syz-executor2052327745"], 0x7ffd76a9f960 /* 10 vars */) = 0 brk(NULL) = 0x5555559ed000 brk(0x5555559edd00) = 0x5555559edd00 arch_prctl(ARCH_SET_FS, 0x5555559ed380) = 0 set_tid_address(0x5555559ed650) = 356 set_robust_list(0x5555559ed660, 24) = 0 rseq(0x5555559edca0, 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-executor2052327745", 4096) = 28 getrandom("\x00\x53\xe1\xf9\x9d\x1a\x5e\x70", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555559edd00 brk(0x555555a0ed00) = 0x555555a0ed00 brk(0x555555a0f000) = 0x555555a0f000 mprotect(0x7fd2d14c3000, 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=0x5555559ed650) = 357 ./strace-static-x86_64: Process 357 attached [pid 357] set_robust_list(0x5555559ed660, 24) = 0 [pid 357] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 357] setpgid(0, 0) = 0 [pid 357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 357] write(3, "1000", 4) = 4 [pid 357] close(3) = 0 [pid 357] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3 [ 23.973669][ T23] audit: type=1400 audit(1712955479.440:66): avc: denied { execmem } for pid=356 comm="syz-executor205" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 23.986192][ T357] 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 357] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 357] dup(4) = 5 [ 23.992914][ T23] audit: type=1400 audit(1712955479.450:67): avc: denied { read } for pid=357 comm="syz-executor205" name="kvm" dev="devtmpfs" ino=9221 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:kvm_device_t tclass=chr_file permissive=1 [ 24.031612][ T23] audit: type=1400 audit(1712955479.450:68): avc: denied { open } for pid=357 comm="syz-executor205" path="/dev/kvm" dev="devtmpfs" ino=9221 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:kvm_device_t tclass=chr_file permissive=1 [pid 357] ioctl(5, KVM_CREATE_VCPU, 0) = 6 [pid 357] ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=0, flags=KVM_MEM_LOG_DIRTY_PAGES|KVM_MEM_READONLY, guest_phys_addr=0, memory_size=8192, userspace_addr=0x20000000}) = 0 [pid 357] ioctl(6, KVM_RUN, 0) = 0 [pid 357] exit_group(0) = ? [pid 357] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=357, si_uid=0, si_status=0, si_utime=0, si_stime=8} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 360 attached [pid 360] set_robust_list(0x5555559ed660, 24 [pid 356] <... clone resumed>, child_tidptr=0x5555559ed650) = 360 [pid 360] <... set_robust_list resumed>) = 0 [pid 360] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 360] setpgid(0, 0) = 0 [pid 360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 360] write(3, "1000", 4) = 4 [pid 360] close(3) = 0 [pid 360] openat(AT_FDCWD, "/dev/kvm", O_RDONLY) = 3 [pid 360] ioctl(3, KVM_CREATE_VM, 0) = 4 [pid 360] dup(4) = 5 [pid 360] ioctl(5, KVM_CREATE_VCPU, 0) = 6 [pid 360] ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=0, flags=KVM_MEM_LOG_DIRTY_PAGES|KVM_MEM_READONLY, guest_phys_addr=0, memory_size=8192, userspace_addr=0x20000000}) = 0 [pid 360] ioctl(6, KVM_RUN, 0) = 0 [pid 360] exit_group(0) = ? [pid 360] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=360, 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=0x5555559ed650) = 363 ./strace-static-x86_64: Process 363 attached [pid 363] set_robust_list(0x5555559ed660, 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 [ 24.055119][ T23] audit: type=1400 audit(1712955479.450:69): avc: denied { ioctl } for pid=357 comm="syz-executor205" path="/dev/kvm" dev="devtmpfs" ino=9221 ioctlcmd=0xae01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:kvm_device_t tclass=chr_file permissive=1 [pid 363] ioctl(4, KVM_SET_USER_MEMORY_REGION, {slot=0, flags=KVM_MEM_LOG_DIRTY_PAGES|KVM_MEM_READONLY, 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./strace-static-x86_64: Process 365 attached [pid 365] set_robust_list(0x5555559ed660, 24) = 0 [pid 356] <... clone resumed>, child_tidptr=0x5555559ed650) = 365 [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=KVM_MEM_LOG_DIRTY_PAGES|KVM_MEM_READONLY, 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./strace-static-x86_64: Process 367 attached [pid 367] set_robust_list(0x5555559ed660, 24) = 0 [pid 367] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 367] setpgid(0, 0) = 0 [pid 356] <... clone resumed>, child_tidptr=0x5555559ed650) = 367 [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=KVM_MEM_LOG_DIRTY_PAGES|KVM_MEM_READONLY, 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 , child_tidptr=0x5555559ed650) = 369 [pid 369] set_robust_list(0x5555559ed660, 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) = 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=KVM_MEM_LOG_DIRTY_PAGES|KVM_MEM_READONLY, 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=0x5555559ed650) = 371 ./strace-static-x86_64: Process 371 attached [pid 371] set_robust_list(0x5555559ed660, 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=KVM_MEM_LOG_DIRTY_PAGES|KVM_MEM_READONLY, 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} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555559ed650) = 373 ./strace-static-x86_64: Process 373 attached [pid 373] set_robust_list(0x5555559ed660, 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=KVM_MEM_LOG_DIRTY_PAGES|KVM_MEM_READONLY, 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, child_tidptr=0x5555559ed650) = 375 ./strace-static-x86_64: Process 375 attached [pid 375] set_robust_list(0x5555559ed660, 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) = 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=KVM_MEM_LOG_DIRTY_PAGES|KVM_MEM_READONLY, 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=1} --- 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(0x5555559ed660, 24) = 0 [pid 377] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 356] <... clone resumed>, child_tidptr=0x5555559ed650) = 377 [pid 377] <... prctl resumed>) = 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) = 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=KVM_MEM_LOG_DIRTY_PAGES|KVM_MEM_READONLY, 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=1} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555559ed650) = 379 ./strace-static-x86_64: Process 379 attached [pid 379] set_robust_list(0x5555559ed660, 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=KVM_MEM_LOG_DIRTY_PAGES|KVM_MEM_READONLY, 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, child_tidptr=0x5555559ed650) = 381 ./strace-static-x86_64: Process 381 attached [pid 381] set_robust_list(0x5555559ed660, 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=KVM_MEM_LOG_DIRTY_PAGES|KVM_MEM_READONLY, 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=0} --- clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555559ed650) = 383 ./strace-static-x86_64: Process 383 attached [pid 383] set_robust_list(0x5555559ed660, 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=KVM_MEM_LOG_DIRTY_PAGES|KVM_MEM_READONLY, 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} --- restart_syscall(<... resuming interrupted clone ...>) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 385 attached [pid 385] set_robust_list(0x5555559ed660, 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 [pid 356] <... clone resumed>, child_tidptr=0x5555559ed650) = 385 [pid 385] <... openat resumed>) = 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=KVM_MEM_LOG_DIRTY_PAGES|KVM_MEM_READONLY, guest_phys_addr=0, memory_size=8192, userspace_addr=0x20000000}) = 0 [ 24.447325][ T385] BUG: kernel NULL pointer dereference, address: 0000000000000086 [ 24.454936][ T385] #PF: supervisor instruction fetch in kernel mode [ 24.461272][ T385] #PF: error_code(0x0010) - not-present page [ 24.467087][ T385] PGD 1dc75c067 P4D 1dc75c067 PUD 1dc75d067 PMD 0 [ 24.473424][ T385] Oops: 0010 [#1] PREEMPT SMP KASAN [ 24.478459][ T385] CPU: 1 PID: 385 Comm: syz-executor205 Not tainted 5.4.268-syzkaller-00012-gd0d34dcb02cc #0 [ 24.488436][ T385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 [ 24.498333][ T385] RIP: 0010:0x86 [ 24.501719][ T385] Code: Bad RIP value. [ 24.505622][ T385] RSP: 0018:ffff8881e33ff308 EFLAGS: 00010086 [ 24.511525][ T385] RAX: ffff8881e33ff338 RBX: dffffc0000000000 RCX: ffff8881de82de80 [ 24.519336][ T385] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 24.527148][ T385] RBP: 0000000000000ec0 R08: ffffffff82315341 R09: ffffffff811c9085 [ 24.534961][ T385] R10: ffff8881de82de80 R11: 0000000000000002 R12: ffffffff84601550 [ 24.542772][ T385] R13: fffffe0000000ec8 R14: ffff8881dbfb8000 R15: fffffe0000000ecb [ 24.550582][ T385] FS: 00005555559ed380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 24.559349][ T385] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.565770][ T385] CR2: 000000000000005c CR3: 00000001dc320000 CR4: 00000000003426a0 [ 24.573580][ T385] Call Trace: [ 24.576714][ T385] ? __die+0xb4/0x100 [ 24.580532][ T385] ? no_context+0xbda/0xe50 [ 24.584869][ T385] ? is_prefetch+0x4b0/0x4b0 [ 24.589304][ T385] ? rcu_preempt_deferred_qs+0xa4/0x2b0 [ 24.594682][ T385] ? __do_page_fault+0xa7d/0xbb0 [ 24.599456][ T385] ? vmx_spec_ctrl_restore_host+0x83/0xfd [ 24.605020][ T385] ? __bad_area_nosemaphore+0xc0/0x460 [ 24.610305][ T385] ? page_fault+0x2f/0x40 [ 24.614469][ T385] ? __entry_text_end+0x4/0x4 [ 24.619000][ T385] ? vmx_handle_exit_irqoff+0x45/0x220 [ 24.624276][ T385] ? check_preemption_disabled+0x91/0x320 [ 24.629829][ T385] ? handle_external_interrupt_irqoff+0x148/0x2f0 [ 24.636077][ T385] ? handle_external_interrupt_irqoff+0x12a/0x2f0 [ 24.642323][ T385] ? __entry_text_end+0x4/0x4 [ 24.646841][ T385] ? vcpu_enter_guest+0x2d06/0x9f70 [ 24.651884][ T385] ? check_preemption_disabled+0x9f/0x320 [ 24.657430][ T385] ? debug_smp_processor_id+0x20/0x20 [ 24.662639][ T385] ? __free_pages_ok+0x847/0x950 [ 24.667425][ T385] ? __kvm_set_memory_region+0xda6/0xf60 [ 24.672879][ T385] ? kvm_vm_ioctl_set_memory_region+0x67/0x90 [ 24.678812][ T385] ? do_vfs_ioctl+0x742/0x1720 [ 24.683378][ T385] ? __x64_sys_ioctl+0xd4/0x110 [ 24.688065][ T385] ? do_syscall_64+0xca/0x1c0 [ 24.692581][ T385] ? local_bh_enable+0x20/0x20 [ 24.697186][ T385] ? __free_one_page+0x7f3/0xa60 [ 24.701955][ T385] ? _raw_spin_unlock+0x49/0x60 [ 24.706643][ T385] ? check_preemption_disabled+0x9f/0x320 [ 24.712229][ T385] ? set_pageblock_migratetype+0x150/0x150 [ 24.717838][ T385] ? debug_smp_processor_id+0x20/0x20 [ 24.723045][ T385] ? kvm_mmu_slot_remove_write_access+0x4d8/0x530 [ 24.729292][ T385] ? check_preemption_disabled+0x9f/0x320 [ 24.734858][ T385] ? llist_add_batch+0x91/0xb0 [ 24.739446][ T385] ? generic_exec_single+0x280/0x3e0 [ 24.744566][ T385] ? smp_call_function_single+0x4a0/0x4a0 [ 24.750121][ T385] ? update_load_avg+0x40f/0x1210 [ 24.754981][ T385] ? cpuacct_charge+0xe2/0x170 [ 24.759599][ T385] ? smp_call_function_single+0x388/0x4a0 [ 24.765141][ T385] ? loaded_vmcs_clear+0x80/0x80 [ 24.769924][ T385] ? generic_smp_call_function_single_interrupt+0x10/0x10 [ 24.776860][ T385] ? check_preemption_disabled+0x9f/0x320 [ 24.782563][ T385] ? loaded_vmcs_clear+0x80/0x80 [ 24.787323][ T385] ? debug_smp_processor_id+0x20/0x20 [ 24.792533][ T385] ? check_preempt_wakeup+0x41a/0x9f0 [ 24.797742][ T385] ? get_cpu_entry_area+0x8/0x30 [ 24.802516][ T385] ? vmx_vcpu_load_vmcs+0x655/0x8b0 [ 24.807547][ T385] ? read_msr+0x40/0x40 [ 24.811548][ T385] ? check_preemption_disabled+0x9f/0x320 [ 24.817093][ T385] ? debug_smp_processor_id+0x20/0x20 [ 24.822301][ T385] ? kvm_arch_vcpu_ioctl_run+0x748/0x18d0 [ 24.827862][ T385] ? kvm_vcpu_ioctl+0x7f9/0xd10 [ 24.832548][ T385] ? create_vcpu_fd+0x120/0x120 [ 24.837226][ T385] ? _raw_spin_lock_irq+0xa5/0x1b0 [ 24.842174][ T385] ? _raw_spin_lock_irqsave+0x210/0x210 [ 24.847572][ T385] ? cgroup_update_frozen+0x157/0xab0 [ 24.852764][ T385] ? cgroup_update_frozen+0x157/0xab0 [ 24.857979][ T385] ? cgroup_leave_frozen+0x13c/0x290 [ 24.863102][ T385] ? ptrace_stop+0x6ee/0xa30 [ 24.867521][ T385] ? create_vcpu_fd+0x120/0x120 [ 24.872207][ T385] ? do_vfs_ioctl+0x742/0x1720 [ 24.876808][ T385] ? ioctl_preallocate+0x250/0x250 [ 24.881755][ T385] ? check_preemption_disabled+0x153/0x320 [ 24.887406][ T385] ? syscall_trace_enter+0x650/0x940 [ 24.892528][ T385] ? do_syscall_64+0x1c0/0x1c0 [ 24.897114][ T385] ? switch_fpu_return+0x1d4/0x410 [ 24.902097][ T385] ? security_file_ioctl+0x7d/0xa0 [ 24.907012][ T385] ? __x64_sys_ioctl+0xd4/0x110 [ 24.911699][ T385] ? do_syscall_64+0xca/0x1c0 [ 24.916209][ T385] ? entry_SYSCALL_64_after_hwframe+0x5c/0xc1 [ 24.922108][ T385] Modules linked in: [ 24.925840][ T385] CR2: 0000000000000086 [ 24.929837][ T385] ---[ end trace 5deba4f417637e10 ]--- [ 24.935129][ T385] RIP: 0010:0x86 [ 24.938517][ T385] Code: Bad RIP value. [ 24.942416][ T385] RSP: 0018:ffff8881e33ff308 EFLAGS: 00010086 [ 24.948323][ T385] RAX: ffff8881e33ff338 RBX: dffffc0000000000 RCX: ffff8881de82de80 [ 24.956131][ T385] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 [ 24.963944][ T385] RBP: 0000000000000ec0 R08: ffffffff82315341 R09: ffffffff811c9085 [ 24.971758][ T385] R10: ffff8881de82de80 R11: 0000000000000002 R12: ffffffff84601550 [ 24.979568][ T385] R13: fffffe0000000ec8 R14: ffff8881dbfb8000 R15: fffffe0000000ecb [ 24.987405][ T385] FS: 00005555559ed380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 24.996144][ T385] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.002565][ T385] CR2: 000000000000005c CR3: 00000001dc320000 CR4: 00000000003426a0 [ 25.010381][ T385] Kernel panic - not syncing: Fatal exception [ 25.016576][ T385] Kernel Offset: disabled [ 25.020702][ T385] Rebooting in 86400 seconds..