./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4080169317
<...>
Warning: Permanently added '10.128.0.55' (ED25519) to the list of known hosts.
execve("./syz-executor4080169317", ["./syz-executor4080169317"], 0x7ffd21e72830 /* 10 vars */) = 0
brk(NULL) = 0x5555785b2000
brk(0x5555785b2d00) = 0x5555785b2d00
arch_prctl(ARCH_SET_FS, 0x5555785b2380) = 0
set_tid_address(0x5555785b2650) = 294
set_robust_list(0x5555785b2660, 24) = 0
rseq(0x5555785b2ca0, 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-executor4080169317", 4096) = 28
getrandom("\x54\x92\xb8\x00\xca\x20\x96\x37", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x5555785b2d00
brk(0x5555785d3d00) = 0x5555785d3d00
brk(0x5555785d4000) = 0x5555785d4000
mprotect(0x7f8fe7771000, 16384, PROT_READ) = 0
mmap(0x3ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x3ffffffff000
mmap(0x400000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400000000000
mmap(0x400001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400001000000
unshare(CLONE_NEWPID) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555785b2650) = 295
./strace-static-x86_64: Process 295 attached
[pid 295] set_robust_list(0x5555785b2660, 24) = 0
[pid 295] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 295] getppid() = 0
[pid 295] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid 295] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid 295] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid 295] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid 295] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid 295] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid 295] unshare(CLONE_NEWNS) = 0
[pid 295] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid 295] unshare(CLONE_NEWIPC) = -1 EINVAL (Invalid argument)
[pid 295] unshare(CLONE_NEWCGROUP) = 0
[pid 295] unshare(CLONE_NEWUTS) = 0
[pid 295] unshare(CLONE_SYSVSEM) = 0
[pid 295] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 295] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 295] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 295] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 295] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 295] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 295] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid 295] getpid() = 1
[pid 295] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid 295] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid 295] unshare(CLONE_NEWNET) = 0
[pid 295] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid 295] write(3, "0 65535", 7) = 7
[pid 295] close(3) = 0
[pid 295] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid 295] write(3, "100000", 6) = 6
[pid 295] close(3) = 0
[pid 295] mkdir("./syz-tmp", 0777) = 0
[pid 295] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid 295] mkdir("./syz-tmp/newroot", 0777) = 0
[pid 295] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid 295] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid 295] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid 295] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid 295] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid 295] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid 295] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid 295] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid 295] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid 295] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid 295] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid 295] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid 295] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0
[pid 295] mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, MS_RDONLY|MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid 295] mkdir("./syz-tmp/pivot", 0777) = 0
[pid 295] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid 295] chdir("/") = 0
[pid 295] umount2("./pivot", MNT_DETACH) = 0
[pid 295] chroot("./newroot") = 0
[pid 295] chdir("/") = 0
[pid 295] mkdir("/dev/gadgetfs", 0777) = 0
[ 19.973541][ T28] audit: type=1400 audit(1739390083.117:66): avc: denied { execmem } for pid=294 comm="syz-executor408" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 19.976982][ T28] audit: type=1400 audit(1739390083.127:67): avc: denied { mounton } for pid=295 comm="syz-executor408" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[ 19.990374][ T28] audit: type=1400 audit(1739390083.137:68): avc: denied { mounton } for pid=295 comm="syz-executor408" path="/root/syz-tmp" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[ 19.994356][ T28] audit: type=1400 audit(1739390083.137:69): avc: denied { mount } for pid=295 comm="syz-executor408" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[ 19.995252][ T295] request_module fs-gadgetfs succeeded, but still no fs?
[pid 295] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULLexecuting program
) = -1 ENODEV (No such device)
[pid 295] mkdir("/dev/binderfs", 0777) = 0
[pid 295] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid 295] symlink("/dev/binderfs", "./binderfs") = 0
[pid 295] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid 295] write(1, "executing program\n", 18) = 18
[pid 295] memfd_create("syzkaller", 0) = 3
[pid 295] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8fdf2bc000
[pid 295] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 1048576) = 1048576
[pid 295] munmap(0x7f8fdf2bc000, 138412032) = 0
[pid 295] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[ 20.016780][ T28] audit: type=1400 audit(1739390083.137:70): avc: denied { mounton } for pid=295 comm="syz-executor408" path="/root/syz-tmp/newroot/dev" dev="tmpfs" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=dir permissive=1
[ 20.034765][ T295] loop0: detected capacity change from 0 to 2048
[pid 295] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 295] close(3) = 0
[pid 295] close(4) = 0
[pid 295] mkdir("./file0", 0777) = 0
[ 20.047252][ T28] audit: type=1400 audit(1739390083.137:71): avc: denied { mount } for pid=295 comm="syz-executor408" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[ 20.074990][ T28] audit: type=1400 audit(1739390083.137:72): avc: denied { mounton } for pid=295 comm="syz-executor408" path="/root/syz-tmp/newroot/sys/kernel/debug" dev="debugfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:debugfs_t tclass=dir permissive=1
[pid 295] mount("/dev/loop0", "./file0", "ext4", MS_DIRSYNC|MS_NOATIME|MS_LAZYTIME, ",errors=continue") = 0
[pid 295] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 295] chdir("./file0") = 0
[pid 295] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 295] ioctl(4, LOOP_CLR_FD) = 0
[pid 295] close(4) = 0
[pid 295] openat(AT_FDCWD, "cpuacct.usage_sys", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid 295] openat(AT_FDCWD, "/dev/vhost-vsock", O_RDWR) = 5
[ 20.100130][ T28] audit: type=1400 audit(1739390083.137:73): avc: denied { mounton } for pid=295 comm="syz-executor408" path="/root/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=13117 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[ 20.101819][ T295] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
[ 20.126420][ T28] audit: type=1400 audit(1739390083.137:74): avc: denied { unmount } for pid=295 comm="syz-executor408" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[pid 295] ioctl(5, VHOST_SET_OWNER, 0) = 0
[pid 295] ioctl(5, VHOST_SET_VRING_ADDR, 0x400000000140) = 0
[pid 295] ioctl(5, VHOST_SET_MEM_TABLE, 0x400000000980) = 0
[pid 295] ioctl(5, VHOST_SET_VRING_ADDR, 0x400000000280) = 0
[pid 295] ioctl(5, VHOST_VSOCK_SET_RUNNING, 0x400000000000) = 0
[pid 295] write(4, "#! ./file0\n", 11) = 11
[pid 295] mmap(0x400000000000, 11755520, PROT_WRITE, MAP_SHARED|MAP_FIXED|MAP_POPULATE|MAP_STACK, 4, 0) = 0x400000000000
[pid 295] --- SIGBUS {si_signo=SIGBUS, si_code=BUS_ADRERR, si_addr=0x4000000000c0} ---
[pid 295] ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=0, flags=0, guest_phys_addr=0, memory_size=4096, userspace_addr=0x400000fe8000}) = -1 EBADF (Bad file descriptor)
[pid 295] ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=1, flags=0, guest_phys_addr=0x1000, memory_size=4096, userspace_addr=0x400000fe9000}) = -1 EBADF (Bad file descriptor)
[pid 295] ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=2, flags=0, guest_phys_addr=0x2000, memory_size=4096, userspace_addr=0x400000fea000}) = -1 EBADF (Bad file descriptor)
[pid 295] ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=3, flags=0, guest_phys_addr=0x3000, memory_size=4096, userspace_addr=0x400000feb000}) = -1 EBADF (Bad file descriptor)
[pid 295] ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=4, flags=0, guest_phys_addr=0x4000, memory_size=4096, userspace_addr=0x400000fec000}) = -1 EBADF (Bad file descriptor)
[pid 295] ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=5, flags=0, guest_phys_addr=0x5000, memory_size=4096, userspace_addr=0x400000fed000}) = -1 EBADF (Bad file descriptor)
[pid 295] ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=6, flags=0, guest_phys_addr=0x6000, memory_size=4096, userspace_addr=0x400000fee000}) = -1 EBADF (Bad file descriptor)
[pid 295] ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=7, flags=0, guest_phys_addr=0x7000, memory_size=4096, userspace_addr=0x400000fef000}) = -1 EBADF (Bad file descriptor)
[pid 295] ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=8, flags=0, guest_phys_addr=0x8000, memory_size=4096, userspace_addr=0x400000ff0000}) = -1 EBADF (Bad file descriptor)
[pid 295] ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=9, flags=0, guest_phys_addr=0x9000, memory_size=4096, userspace_addr=0x400000ff1000}) = -1 EBADF (Bad file descriptor)
[pid 295] ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=10, flags=0, guest_phys_addr=0xfec00000, memory_size=4096, userspace_addr=0x400000ff2000}) = -1 EBADF (Bad file descriptor)
[pid 295] ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=11, flags=0, guest_phys_addr=0xb000, memory_size=4096, userspace_addr=0x400000ff3000}) = -1 EBADF (Bad file descriptor)
[pid 295] ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=12, flags=0, guest_phys_addr=0xc000, memory_size=4096, userspace_addr=0x400000ff4000}) = -1 EBADF (Bad file descriptor)
[pid 295] ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=13, flags=0, guest_phys_addr=0xd000, memory_size=4096, userspace_addr=0x400000ff5000}) = -1 EBADF (Bad file descriptor)
[pid 295] ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=14, flags=0, guest_phys_addr=0xe000, memory_size=4096, userspace_addr=0x400000ff6000}) = -1 EBADF (Bad file descriptor)
[pid 295] ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=15, flags=0, guest_phys_addr=0xf000, memory_size=4096, userspace_addr=0x400000ff7000}) = -1 EBADF (Bad file descriptor)
[pid 295] ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=16, flags=0, guest_phys_addr=0x10000, memory_size=4096, userspace_addr=0x400000ff8000}) = -1 EBADF (Bad file descriptor)
[pid 295] ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=17, flags=0, guest_phys_addr=0x11000, memory_size=4096, userspace_addr=0x400000ff9000}) = -1 EBADF (Bad file descriptor)
[pid 295] ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=18, flags=0, guest_phys_addr=0x12000, memory_size=4096, userspace_addr=0x400000ffa000}) = -1 EBADF (Bad file descriptor)
[pid 295] ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=19, flags=0, guest_phys_addr=0x13000, memory_size=4096, userspace_addr=0x400000ffb000}) = -1 EBADF (Bad file descriptor)
[pid 295] ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=20, flags=0, guest_phys_addr=0x14000, memory_size=4096, userspace_addr=0x400000ffc000}) = -1 EBADF (Bad file descriptor)
[pid 295] ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=21, flags=0, guest_phys_addr=0x15000, memory_size=4096, userspace_addr=0x400000ffd000}) = -1 EBADF (Bad file descriptor)
[pid 295] ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=22, flags=0, guest_phys_addr=0x16000, memory_size=4096, userspace_addr=0x400000ffe000}) = -1 EBADF (Bad file descriptor)
[pid 295] ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=23, flags=0, guest_phys_addr=0x17000, memory_size=4096, userspace_addr=0x400000fff000}) = -1 EBADF (Bad file descriptor)
[pid 295] ioctl(-1, KVM_SET_USER_MEMORY_REGION, {slot=65537, flags=0, guest_phys_addr=0x30000, memory_size=65536, userspace_addr=0x400000fe8000}) = -1 EBADF (Bad file descriptor)
[pid 295] ioctl(-1, KVM_GET_SREGS, 0x7ffc2e826ee0) = -1 EBADF (Bad file descriptor)
[pid 295] exit_group(1) = ?
[ 20.153820][ T28] audit: type=1400 audit(1739390083.137:75): avc: denied { mounton } for pid=295 comm="syz-executor408" path="/dev/gadgetfs" dev="devtmpfs" ino=522 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[ 20.155057][ T295] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters
[ 20.195101][ T43] ------------[ cut here ]------------
[ 20.200384][ T43] kernel BUG at fs/ext4/inode.c:2760!
[ 20.205616][ T43] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[ 20.211463][ T43] CPU: 1 PID: 43 Comm: kworker/u4:2 Not tainted 6.1.124-syzkaller-00006-gc93dcf3b5358 #0
[ 20.221184][ T43] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 20.231078][ T43] Workqueue: writeback wb_workfn (flush-7:0)
[ 20.236895][ T43] RIP: 0010:ext4_writepages+0x3fab/0x3fd0
[ 20.242448][ T43] Code: f7 7f ff 31 ff 89 de e8 b3 f7 7f ff 45 84 f6 75 2a e8 19 f5 7f ff 49 bc 00 00 00 00 00 fc ff df e9 6e f6 ff ff e8 05 f5 7f ff <0f> 0b e8 fe f4 7f ff e8 f5 e7 0a ff e9 46 c3 ff ff e8 ef f4 7f ff
[ 20.261889][ T43] RSP: 0018:ffffc900002cf000 EFLAGS: 00010293
[ 20.267789][ T43] RAX: ffffffff81f59fbb RBX: 0000008000000000 RCX: ffff888109a18000
[ 20.275602][ T43] RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
[ 20.283416][ T43] RBP: ffffc900002cf410 R08: ffffffff81f5671b R09: ffffed10200aeb7b
[ 20.291226][ T43] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88810e498000
[ 20.299034][ T43] R13: ffff888100575d10 R14: 000000c410000000 R15: ffffc900002cf2e0
[ 20.306848][ T43] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[ 20.315617][ T43] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 20.322035][ T43] CR2: 00004000000000c0 CR3: 0000000122da7000 CR4: 00000000003506a0
[ 20.329849][ T43] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 20.337660][ T43] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 20.345468][ T43] Call Trace:
[ 20.348597][ T43] <TASK>
[ 20.351372][ T43] ? __die_body+0x62/0xb0
[ 20.355541][ T43] ? die+0x88/0xb0
[ 20.359097][ T43] ? do_trap+0x103/0x330
[ 20.363176][ T43] ? ext4_writepages+0x3fab/0x3fd0
[ 20.368123][ T43] ? handle_invalid_op+0x95/0xc0
[ 20.372894][ T43] ? ext4_writepages+0x3fab/0x3fd0
[ 20.377842][ T43] ? exc_invalid_op+0x32/0x50
[ 20.382357][ T43] ? asm_exc_invalid_op+0x1b/0x20
[ 20.387222][ T43] ? ext4_writepages+0x70b/0x3fd0
[ 20.392075][ T43] ? ext4_writepages+0x3fab/0x3fd0
[ 20.397024][ T43] ? ext4_writepages+0x3fab/0x3fd0
[ 20.401969][ T43] ? kasan_save_alloc_info+0x1f/0x30
[ 20.407090][ T43] ? __kasan_slab_alloc+0x6c/0x80
[ 20.411950][ T43] ? slab_post_alloc_hook+0x53/0x2c0
[ 20.417071][ T43] ? avc_alloc_node+0x8f/0x500
[ 20.421670][ T43] ? avc_compute_av+0x146/0x830
[ 20.426358][ T43] ? avc_has_perm_noaudit+0x299/0x430
[ 20.431567][ T43] ? avc_has_perm+0xd2/0x260
[ 20.435991][ T43] ? file_has_perm+0x508/0x6c0
[ 20.440592][ T43] ? selinux_file_permission+0x440/0x560
[ 20.446060][ T43] ? do_iter_read+0x1de/0xc80
[ 20.450572][ T43] ? vfs_iter_read+0x7c/0xa0
[ 20.454998][ T43] ? worker_thread+0xa60/0x1260
[ 20.459687][ T43] ? kthread+0x26d/0x300
[ 20.463768][ T43] ? ext4_read_folio+0x240/0x240
[ 20.468544][ T43] ? xas_load+0x39d/0x3b0
[ 20.472708][ T43] ? __kasan_check_write+0x14/0x20
[ 20.477654][ T43] ? __filemap_get_folio+0x95e/0xae0
[ 20.482776][ T43] ? cpudl_cleanup+0x40/0x40
[ 20.487210][ T43] ? __kasan_check_write+0x14/0x20
[ 20.492149][ T43] ? update_load_avg+0x513/0x1530
[ 20.497008][ T43] ? ext4_read_folio+0x240/0x240
[ 20.501783][ T43] do_writepages+0x385/0x620
[ 20.506212][ T43] ? __writepage+0x130/0x130
[ 20.510636][ T43] ? copy_page_from_iter_atomic+0x92d/0x10b0
[ 20.516451][ T43] ? memcpy+0x56/0x70
[ 20.520270][ T43] ? copy_page_from_iter_atomic+0x43b/0x10b0
[ 20.526087][ T43] ? shmem_get_folio+0xa0/0xa0
[ 20.530683][ T43] __writeback_single_inode+0xdc/0xb80
[ 20.535980][ T43] writeback_sb_inodes+0xb32/0x1910
[ 20.541012][ T43] ? __kasan_check_write+0x14/0x20
[ 20.545961][ T43] ? _raw_spin_lock+0xa4/0x1b0
[ 20.550562][ T43] ? queue_io+0x520/0x520
[ 20.554726][ T43] ? __writeback_inodes_wb+0x3f0/0x3f0
[ 20.560022][ T43] ? queue_io+0x3d0/0x520
[ 20.564185][ T43] ? memset+0x35/0x40
[ 20.568008][ T43] wb_writeback+0x3c8/0xa00
[ 20.572346][ T43] ? inode_cgwb_move_to_attached+0x3c0/0x3c0
[ 20.578157][ T43] ? set_worker_desc+0x158/0x1c0
[ 20.582933][ T43] ? __kasan_check_write+0x14/0x20
[ 20.587882][ T43] wb_workfn+0x399/0x1030
[ 20.592048][ T43] ? inode_wait_for_writeback+0x280/0x280
[ 20.597601][ T43] ? kthread_data+0x53/0xc0
[ 20.601941][ T43] ? _raw_spin_unlock+0x4c/0x70
[ 20.606626][ T43] ? finish_task_switch+0x167/0x7b0
[ 20.611663][ T43] ? __kasan_check_read+0x11/0x20
[ 20.616520][ T43] ? read_word_at_a_time+0x12/0x20
[ 20.621470][ T43] ? strscpy+0x9c/0x260
[ 20.625463][ T43] process_one_work+0x73d/0xcb0
[ 20.630151][ T43] worker_thread+0xa60/0x1260
[ 20.634665][ T43] kthread+0x26d/0x300
[ 20.638564][ T43] ? worker_clr_flags+0x1a0/0x1a0
[ 20.643425][ T43] ? kthread_blkcg+0xd0/0xd0
[ 20.647853][ T43] ret_from_fork+0x1f/0x30
[ 20.652108][ T43] </TASK>
[ 20.654971][ T43] Modules linked in:
[ 20.658795][ T43] ---[ end trace 0000000000000000 ]---
[ 20.664065][ T43] RIP: 0010:ext4_writepages+0x3fab/0x3fd0
[ 20.669581][ T43] Code: f7 7f ff 31 ff 89 de e8 b3 f7 7f ff 45 84 f6 75 2a e8 19 f5 7f ff 49 bc 00 00 00 00 00 fc ff df e9 6e f6 ff ff e8 05 f5 7f ff <0f> 0b e8 fe f4 7f ff e8 f5 e7 0a ff e9 46 c3 ff ff e8 ef f4 7f ff
[ 20.689036][ T43] RSP: 0018:ffffc900002cf000 EFLAGS: 00010293
[ 20.694893][ T43] RAX: ffffffff81f59fbb RBX: 0000008000000000 RCX: ffff888109a18000
[ 20.702727][ T43] RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000
[ 20.710528][ T43] RBP: ffffc900002cf410 R08: ffffffff81f5671b R09: ffffed10200aeb7b
[ 20.718343][ T43] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88810e498000
[ 20.726150][ T43] R13: ffff888100575d10 R14: 000000c410000000 R15: ffffc900002cf2e0
[ 20.733950][ T43] FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
[ 20.742734][ T43] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 20.749152][ T43] CR2: 0000556ba246e0f8 CR3: 00000001105c8000 CR4: 00000000003506a0
[ 20.756970][ T43] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 20.764760][ T43] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 20.772595][ T43] Kernel panic - not syncing: Fatal exception
[ 20.778717][ T43] Kernel Offset: disabled
[ 20.782832][ T43] Rebooting in 86400 seconds..