./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1151814690 <...> Warning: Permanently added '10.128.1.149' (ED25519) to the list of known hosts. execve("./syz-executor1151814690", ["./syz-executor1151814690"], 0x7ffdb844d510 /* 10 vars */) = 0 brk(NULL) = 0x5555572ad000 brk(0x5555572add40) = 0x5555572add40 arch_prctl(ARCH_SET_FS, 0x5555572ad3c0) = 0 set_tid_address(0x5555572ad690) = 286 set_robust_list(0x5555572ad6a0, 24) = 0 rseq(0x5555572adce0, 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-executor1151814690", 4096) = 28 getrandom("\x02\xe9\xba\x9d\x74\xdc\x8b\x4b", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555572add40 brk(0x5555572ced40) = 0x5555572ced40 brk(0x5555572cf000) = 0x5555572cf000 mprotect(0x7f3031a42000, 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 getpid() = 286 openat(AT_FDCWD, "/sys/kernel/debug/x86/nmi_longest_ns", O_WRONLY|O_CLOEXEC) = 3 write(3, "10000000000", 11) = 11 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/hung_task_check_interval_secs", O_WRONLY|O_CLOEXEC) = 3 write(3, "20", 2) = 2 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_kallsyms", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_harden", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/kptr_restrict", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/softlockup_all_cpu_backtrace", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 write(3, "100", 3) = 3 close(3) = 0 openat(AT_FDCWD, "/proc/sys/vm/oom_dump_tasks", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/debug/exception-trace", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/printk", O_WRONLY|O_CLOEXEC) = 3 write(3, "7 4 1 3", 7) = 7 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/keys/gc_delay", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/vm/oom_kill_allocating_task", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/ctrl-alt-del", O_WRONLY|O_CLOEXEC) = 3 write(3, "0", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/proc/sys/kernel/cad_pid", O_WRONLY|O_CLOEXEC) = 3 write(3, "286", 3) = 3 close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572ad690) = 287 ./strace-static-x86_64: Process 287 attached [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 287] set_robust_list(0x5555572ad6a0, 24) = 0 [pid 287] mkdir("./syzkaller.ZmkG9e", 0700./strace-static-x86_64: Process 288 attached [pid 286] <... clone resumed>, child_tidptr=0x5555572ad690) = 288 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572ad690) = 289 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 289 attached ./strace-static-x86_64: Process 290 attached [pid 288] set_robust_list(0x5555572ad6a0, 24 [pid 287] <... mkdir resumed>) = 0 [pid 286] <... clone resumed>, child_tidptr=0x5555572ad690) = 290 [pid 286] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 290] set_robust_list(0x5555572ad6a0, 24 [pid 289] set_robust_list(0x5555572ad6a0, 24 [pid 288] <... set_robust_list resumed>) = 0 [pid 287] chmod("./syzkaller.ZmkG9e", 0777./strace-static-x86_64: Process 291 attached [pid 290] <... set_robust_list resumed>) = 0 [pid 286] <... clone resumed>, child_tidptr=0x5555572ad690) = 291 [pid 291] set_robust_list(0x5555572ad6a0, 24 [pid 289] <... set_robust_list resumed>) = 0 [pid 287] <... chmod resumed>) = 0 [pid 288] mkdir("./syzkaller.sp1kCr", 0700 [pid 291] <... set_robust_list resumed>) = 0 [pid 291] mkdir("./syzkaller.IS4TqM", 0700 [pid 287] chdir("./syzkaller.ZmkG9e" [pid 289] mkdir("./syzkaller.j8M7BQ", 0700 [pid 291] <... mkdir resumed>) = 0 [pid 290] mkdir("./syzkaller.B4BoLR", 0700 [pid 287] <... chdir resumed>) = 0 [pid 291] chmod("./syzkaller.IS4TqM", 0777) = 0 [pid 291] chdir("./syzkaller.IS4TqM") = 0 [pid 291] mkdir("./0", 0777 [pid 287] mkdir("./0", 0777 [pid 291] <... mkdir resumed>) = 0 [pid 287] <... mkdir resumed>) = 0 [ 20.830191][ T24] audit: type=1400 audit(1710575542.790:66): avc: denied { execmem } for pid=286 comm="syz-executor115" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 20.853880][ T24] audit: type=1400 audit(1710575542.810:67): avc: denied { read write } for pid=291 comm="syz-executor115" name="loop4" dev="devtmpfs" ino=115 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [pid 291] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 287] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 291] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 291] close(3) = 0 [pid 291] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572ad690) = 292 ./strace-static-x86_64: Process 292 attached [pid 292] set_robust_list(0x5555572ad6a0, 24) = 0 [pid 292] chdir("./0") = 0 [pid 292] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 292] setpgid(0, 0) = 0 [pid 292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 292] write(3, "1000", 4) = 4 [pid 292] close(3) = 0 [pid 292] symlink("/dev/binderfs", "./binderfs") = 0 [pid 292] futex(0x7f3031a483ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 292] rt_sigaction(SIGRT_1, {sa_handler=0x7f30319ebec0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f30319dd7d0}, NULL, 8) = 0 [pid 292] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f303195b000 [pid 292] mprotect(0x7f303195c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 292] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 292] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f303197b990, parent_tid=0x7f303197b990, exit_signal=0, stack=0x7f303195b000, stack_size=0x20300, tls=0x7f303197b6c0} => {parent_tid=[293]}, 88) = 293 [pid 292] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 292] futex(0x7f3031a483e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 292] futex(0x7f3031a483ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 293 attached [pid 293] set_robust_list(0x7f303197b9a0, 24) = 0 [pid 293] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 293] openat(AT_FDCWD, "/dev/fuse", O_RDWR) = 3 [pid 293] futex(0x7f3031a483ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 292] <... futex resumed>) = 0 [pid 292] futex(0x7f3031a483e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 292] futex(0x7f3031a483ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 293] <... futex resumed>) = 1 [pid 293] mkdir("./file0", 0777) = 0 [pid 293] mount(NULL, "./file0", "fuse", 0, "fd=0x0000000000000003,rootmode=00000000000000000040000,user_id=00000000000000000000,group_id=0000000"...) = 0 [pid 293] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 289] <... mkdir resumed>) = 0 [pid 289] chmod("./syzkaller.j8M7BQ", 0777) = 0 [pid 289] chdir("./syzkaller.j8M7BQ") = 0 [pid 289] mkdir("./0", 0777) = 0 [pid 289] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 289] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 289] close(3) = 0 [pid 289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555572ad690) = 294 ./strace-static-x86_64: Process 294 attached [pid 294] set_robust_list(0x5555572ad6a0, 24) = 0 [pid 294] chdir("./0") = 0 [pid 294] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 294] setpgid(0, 0) = 0 [pid 294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 294] write(3, "1000", 4) = 4 [pid 294] close(3) = 0 [pid 294] symlink("/dev/binderfs", "./binderfs") = 0 [pid 294] futex(0x7f3031a483ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 294] rt_sigaction(SIGRT_1, {sa_handler=0x7f30319ebec0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f30319dd7d0}, NULL, 8) = 0 [pid 294] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 294] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f303195b000 [pid 294] mprotect(0x7f303195c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 294] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 294] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f303197b990, parent_tid=0x7f303197b990, exit_signal=0, stack=0x7f303195b000, stack_size=0x20300, tls=0x7f303197b6c0} => {parent_tid=[296]}, 88) = 296 [pid 294] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 294] futex(0x7f3031a483e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 296 attached [pid 290] <... mkdir resumed>) = 0 [pid 288] <... mkdir resumed>) = 0 [pid 287] <... openat resumed>) = 3 [pid 296] set_robust_list(0x7f303197b9a0, 24 [pid 294] <... futex resumed>) = 0 [pid 296] <... set_robust_list resumed>) = 0 [pid 294] futex(0x7f3031a483ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 290] chmod("./syzkaller.B4BoLR", 0777 [pid 288] chmod("./syzkaller.sp1kCr", 0777 [pid 287] ioctl(3, LOOP_CLR_FD [pid 296] rt_sigprocmask(SIG_SETMASK, [], [pid 287] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 288] <... chmod resumed>) = 0 [pid 290] <... chmod resumed>) = 0 [pid 287] close(3 [pid 296] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 296] openat(AT_FDCWD, "/dev/fuse", O_RDWR) = 3 [pid 296] futex(0x7f3031a483ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 287] <... close resumed>) = 0 [pid 296] <... futex resumed>) = 1 [pid 294] <... futex resumed>) = 0 [pid 296] mkdir("./file0", 0777 [pid 294] futex(0x7f3031a483e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 296] <... mkdir resumed>) = 0 [pid 294] <... futex resumed>) = 0 [pid 296] mount(NULL, "./file0", "fuse", 0, "fd=0x0000000000000003,rootmode=00000000000000000040000,user_id=00000000000000000000,group_id=0000000"... [pid 294] futex(0x7f3031a483ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 296] <... mount resumed>) = 0 [pid 296] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 292] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 292] futex(0x7f3031a483ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 292] futex(0x7f3031a483fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f303193a000 [pid 292] mprotect(0x7f303193b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 292] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 292] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f303195a990, parent_tid=0x7f303195a990, exit_signal=0, stack=0x7f303193a000, stack_size=0x20300, tls=0x7f303195a6c0} => {parent_tid=[298]}, 88) = 298 [pid 292] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 292] futex(0x7f3031a483f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 292] futex(0x7f3031a483fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 298 attached [pid 290] chdir("./syzkaller.B4BoLR" [pid 288] chdir("./syzkaller.sp1kCr" [pid 287] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 290] <... chdir resumed>) = 0 [pid 288] <... chdir resumed>) = 0 [pid 290] mkdir("./0", 0777 [pid 288] mkdir("./0", 0777 [pid 290] <... mkdir resumed>) = 0 [pid 288] <... mkdir resumed>) = 0 [pid 287] <... clone resumed>, child_tidptr=0x5555572ad690) = 299 [pid 290] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 288] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 290] <... openat resumed>) = 3 [pid 288] <... openat resumed>) = 3 [pid 290] ioctl(3, LOOP_CLR_FD [pid 288] ioctl(3, LOOP_CLR_FD [pid 290] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 288] <... ioctl resumed>) = -1 ENXIO (No such device or address) [ 20.881914][ T24] audit: type=1400 audit(1710575542.810:68): avc: denied { open } for pid=291 comm="syz-executor115" path="/dev/loop4" dev="devtmpfs" ino=115 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [pid 290] close(3 [pid 288] close(3 [pid 290] <... close resumed>) = 0 [pid 288] <... close resumed>) = 0 [pid 290] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 288] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 290] <... clone resumed>, child_tidptr=0x5555572ad690) = 300 [pid 288] <... clone resumed>, child_tidptr=0x5555572ad690) = 301 [pid 298] set_robust_list(0x7f303195a9a0, 24) = 0 [pid 298] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 298] read(3, "\x38\x00\x00\x00\x1a\x00\x00\x00\x02\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\x07\x00\x00\x00\x20\x00\x00\x00\x00\x00\x02\x00\xfb\xff\xff\x83", 8224) = 56 [pid 298] futex(0x7f3031a483fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 298] futex(0x7f3031a483f8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 301 attached [pid 301] set_robust_list(0x5555572ad6a0, 24) = 0 [pid 301] chdir("./0") = 0 [pid 301] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 301] setpgid(0, 0) = 0 [pid 301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 301] write(3, "1000", 4) = 4 [pid 301] close(3) = 0 [pid 301] symlink("/dev/binderfs", "./binderfs") = 0 [pid 301] futex(0x7f3031a483ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 292] <... futex resumed>) = 0 [pid 301] rt_sigaction(SIGRT_1, {sa_handler=0x7f30319ebec0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f30319dd7d0}, ./strace-static-x86_64: Process 300 attached ./strace-static-x86_64: Process 299 attached [pid 292] futex(0x7f3031a483f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... rt_sigaction resumed>NULL, 8) = 0 [pid 301] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 301] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f303195b000 [pid 301] mprotect(0x7f303195c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 301] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 301] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f303197b990, parent_tid=0x7f303197b990, exit_signal=0, stack=0x7f303195b000, stack_size=0x20300, tls=0x7f303197b6c0} => {parent_tid=[302]}, 88) = 302 [pid 301] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 301] futex(0x7f3031a483e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 301] futex(0x7f3031a483ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 302 attached [pid 302] set_robust_list(0x7f303197b9a0, 24) = 0 [pid 302] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 302] openat(AT_FDCWD, "/dev/fuse", O_RDWR) = 3 [pid 302] futex(0x7f3031a483ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... futex resumed>) = 0 [pid 301] futex(0x7f3031a483e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 301] futex(0x7f3031a483ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 302] <... futex resumed>) = 1 [pid 302] mkdir("./file0", 0777) = 0 [pid 302] mount(NULL, "./file0", "fuse", 0, "fd=0x0000000000000003,rootmode=00000000000000000040000,user_id=00000000000000000000,group_id=0000000"...) = 0 [pid 302] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 300] set_robust_list(0x5555572ad6a0, 24) = 0 [pid 300] chdir("./0") = 0 [pid 300] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 300] setpgid(0, 0) = 0 [pid 300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 300] write(3, "1000", 4) = 4 [pid 300] close(3) = 0 [pid 300] symlink("/dev/binderfs", "./binderfs") = 0 [pid 300] futex(0x7f3031a483ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 300] rt_sigaction(SIGRT_1, {sa_handler=0x7f30319ebec0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f30319dd7d0}, NULL, 8) = 0 [pid 300] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 300] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f303195b000 [pid 300] mprotect(0x7f303195c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 300] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 300] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f303197b990, parent_tid=0x7f303197b990, exit_signal=0, stack=0x7f303195b000, stack_size=0x20300, tls=0x7f303197b6c0} => {parent_tid=[303]}, 88) = 303 [pid 300] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 300] futex(0x7f3031a483e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 300] futex(0x7f3031a483ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] set_robust_list(0x5555572ad6a0, 24) = 0 [pid 299] chdir("./0") = 0 [pid 299] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 299] setpgid(0, 0) = 0 [pid 299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 299] write(3, "1000", 4) = 4 [pid 299] close(3) = 0 [pid 299] symlink("/dev/binderfs", "./binderfs") = 0 [pid 299] futex(0x7f3031a483ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 299] rt_sigaction(SIGRT_1, {sa_handler=0x7f30319ebec0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f30319dd7d0}, NULL, 8) = 0 [pid 299] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f303195b000 [pid 299] mprotect(0x7f303195c000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 299] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 299] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f303197b990, parent_tid=0x7f303197b990, exit_signal=0, stack=0x7f303195b000, stack_size=0x20300, tls=0x7f303197b6c0} => {parent_tid=[304]}, 88) = 304 [pid 299] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 299] futex(0x7f3031a483e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 299] futex(0x7f3031a483ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] <... futex resumed>) = 0 [pid 292] <... futex resumed>) = 1 [pid 298] write(3, "\x18\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00\x00\x00\x00\x00", 24 [pid 292] futex(0x7f3031a483fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 304 attached ./strace-static-x86_64: Process 303 attached [pid 298] <... write resumed>) = 24 [pid 294] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 298] futex(0x7f3031a483fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 292] <... futex resumed>) = 0 [pid 298] futex(0x7f3031a483f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 292] futex(0x7f3031a483f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 298] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 292] <... futex resumed>) = 0 [pid 298] mount("./file0", "./file0", "incremental-fs", 0, NULL [pid 292] futex(0x7f3031a483fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] set_robust_list(0x7f303197b9a0, 24) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] openat(AT_FDCWD, "/dev/fuse", O_RDWR) = 3 [pid 304] futex(0x7f3031a483ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 299] <... futex resumed>) = 0 [pid 304] futex(0x7f3031a483e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 299] futex(0x7f3031a483e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 299] <... futex resumed>) = 0 [pid 304] mkdir("./file0", 0777 [pid 299] futex(0x7f3031a483ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 304] <... mkdir resumed>) = 0 [pid 304] mount(NULL, "./file0", "fuse", 0, "fd=0x0000000000000003,rootmode=00000000000000000040000,user_id=00000000000000000000,group_id=0000000"...) = 0 [pid 304] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 303] set_robust_list(0x7f303197b9a0, 24) = 0 [pid 303] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 303] openat(AT_FDCWD, "/dev/fuse", O_RDWR) = 3 [pid 303] futex(0x7f3031a483ec, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 300] <... futex resumed>) = 0 [pid 303] futex(0x7f3031a483e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 300] futex(0x7f3031a483e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 300] <... futex resumed>) = 0 [pid 303] mkdir("./file0", 0777 [pid 300] futex(0x7f3031a483ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 303] <... mkdir resumed>) = 0 [pid 303] mount(NULL, "./file0", "fuse", 0, "fd=0x0000000000000003,rootmode=00000000000000000040000,user_id=00000000000000000000,group_id=0000000"...) = 0 [pid 303] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY [pid 294] futex(0x7f3031a483fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 294] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f303193a000 [pid 294] mprotect(0x7f303193b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 294] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 294] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f303195a990, parent_tid=0x7f303195a990, exit_signal=0, stack=0x7f303193a000, stack_size=0x20300, tls=0x7f303195a6c0} => {parent_tid=[305]}, 88) = 305 [pid 294] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 294] futex(0x7f3031a483f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 294] futex(0x7f3031a483fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 305 attached [pid 305] set_robust_list(0x7f303195a9a0, 24) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] read(3, "\x38\x00\x00\x00\x1a\x00\x00\x00\x02\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\x07\x00\x00\x00\x20\x00\x00\x00\x00\x00\x02\x00\xfb\xff\xff\x83", 8224) = 56 [pid 305] futex(0x7f3031a483fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... futex resumed>) = 0 [pid 294] futex(0x7f3031a483f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 20.911231][ T24] audit: type=1400 audit(1710575542.810:69): avc: denied { ioctl } for pid=291 comm="syz-executor115" path="/dev/loop4" dev="devtmpfs" ino=115 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 20.937459][ T24] audit: type=1400 audit(1710575542.820:70): avc: denied { read write } for pid=292 comm="syz-executor115" name="fuse" dev="devtmpfs" ino=90 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fuse_device_t tclass=chr_file permissive=1 [pid 294] futex(0x7f3031a483fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... futex resumed>) = 1 [pid 305] write(3, "\x18\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00\x00\x00\x00\x00", 24) = 24 [pid 305] futex(0x7f3031a483fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 294] <... futex resumed>) = 0 [pid 294] futex(0x7f3031a483f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] <... futex resumed>) = 1 [pid 294] <... futex resumed>) = 0 [pid 305] mount("./file0", "./file0", "incremental-fs", 0, NULL [pid 294] futex(0x7f3031a483fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 301] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 301] futex(0x7f3031a483fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 301] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f303193a000 [pid 301] mprotect(0x7f303193b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 301] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 301] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f303195a990, parent_tid=0x7f303195a990, exit_signal=0, stack=0x7f303193a000, stack_size=0x20300, tls=0x7f303195a6c0} => {parent_tid=[306]}, 88) = 306 [pid 301] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 301] futex(0x7f3031a483f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 301] futex(0x7f3031a483fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 306 attached [pid 306] set_robust_list(0x7f303195a9a0, 24 [pid 292] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 292] futex(0x7f3031a4840c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3031919000 [pid 292] mprotect(0x7f303191a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 292] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 292] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3031939990, parent_tid=0x7f3031939990, exit_signal=0, stack=0x7f3031919000, stack_size=0x20300, tls=0x7f30319396c0} => {parent_tid=[307]}, 88) = 307 [pid 292] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 292] futex(0x7f3031a48408, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 292] futex(0x7f3031a4840c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 299] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 299] futex(0x7f3031a483fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f303193a000 [pid 299] mprotect(0x7f303193b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 299] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 299] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f303195a990, parent_tid=0x7f303195a990, exit_signal=0, stack=0x7f303193a000, stack_size=0x20300, tls=0x7f303195a6c0} => {parent_tid=[308]}, 88) = 308 [pid 299] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 299] futex(0x7f3031a483f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 299] futex(0x7f3031a483fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... set_robust_list resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] read(3, "\x38\x00\x00\x00\x1a\x00\x00\x00\x02\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\x07\x00\x00\x00\x20\x00\x00\x00\x00\x00\x02\x00\xfb\xff\xff\x83", 8224) = 56 [pid 306] futex(0x7f3031a483fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... futex resumed>) = 0 [pid 301] futex(0x7f3031a483f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 301] futex(0x7f3031a483fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... futex resumed>) = 1 [pid 306] write(3, "\x18\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00\x00\x00\x00\x00", 24) = 24 [pid 306] futex(0x7f3031a483fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... futex resumed>) = 0 [pid 301] futex(0x7f3031a483f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 300] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 301] futex(0x7f3031a483fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] futex(0x7f3031a483fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 300] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f303193a000 [pid 300] mprotect(0x7f303193b000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 300] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 300] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f303195a990, parent_tid=0x7f303195a990, exit_signal=0, stack=0x7f303193a000, stack_size=0x20300, tls=0x7f303195a6c0} => {parent_tid=[309]}, 88) = 309 [pid 300] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 300] futex(0x7f3031a483f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 300] futex(0x7f3031a483fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 306] <... futex resumed>) = 1 [pid 306] mount("./file0", "./file0", "incremental-fs", 0, NULL./strace-static-x86_64: Process 307 attached [pid 307] set_robust_list(0x7f30319399a0, 24) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] read(3, "\x30\x00\x00\x00\x1b\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x25\x01\x00\x00\x00\x00\x00\x00\x00\x80\x01\x00\x00\x00\x00\x00", 8192) = 48 [pid 307] futex(0x7f3031a4840c, FUTEX_WAKE_PRIVATE, 1000000 [pid 292] <... futex resumed>) = 0 [pid 307] <... futex resumed>) = 1 [pid 307] futex(0x7f3031a48408, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 308 attached [pid 308] set_robust_list(0x7f303195a9a0, 24) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] read(3, "\x38\x00\x00\x00\x1a\x00\x00\x00\x02\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\x07\x00\x00\x00\x20\x00\x00\x00\x00\x00\x02\x00\xfb\xff\xff\x83", 8224) = 56 ./strace-static-x86_64: Process 309 attached [pid 308] futex(0x7f3031a483fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 299] <... futex resumed>) = 0 [pid 308] write(3, "\x18\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00\x00\x00\x00\x00", 24 [ 20.961653][ T24] audit: type=1400 audit(1710575542.820:71): avc: denied { open } for pid=292 comm="syz-executor115" path="/dev/fuse" dev="devtmpfs" ino=90 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fuse_device_t tclass=chr_file permissive=1 [ 20.985114][ T24] audit: type=1400 audit(1710575542.820:72): avc: denied { mounton } for pid=292 comm="syz-executor115" path="/root/syzkaller.IS4TqM/0/file0" dev="sda1" ino=1933 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 21.009472][ T24] audit: type=1400 audit(1710575542.820:73): avc: denied { mount } for pid=292 comm="syz-executor115" name="/" dev="fuse" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [pid 299] futex(0x7f3031a483f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 308] <... write resumed>) = 24 [pid 299] <... futex resumed>) = 0 [pid 308] futex(0x7f3031a483fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] futex(0x7f3031a483fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 308] <... futex resumed>) = 0 [pid 299] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 308] mount("./file0", "./file0", "incremental-fs", 0, NULL [pid 299] futex(0x7f3031a483f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 294] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 299] futex(0x7f3031a483fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 294] futex(0x7f3031a483fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out) [pid 294] futex(0x7f3031a4840c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 294] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f3031919000 [pid 294] mprotect(0x7f303191a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 294] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 294] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3031939990, parent_tid=0x7f3031939990, exit_signal=0, stack=0x7f3031919000, stack_size=0x20300, tls=0x7f30319396c0} => {parent_tid=[310]}, 88) = 310 [pid 294] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 294] futex(0x7f3031a48408, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 294] futex(0x7f3031a4840c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] set_robust_list(0x7f303195a9a0, 24) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 309] read(3, "\x38\x00\x00\x00\x1a\x00\x00\x00\x02\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\x07\x00\x00\x00\x20\x00\x00\x00\x00\x00\x02\x00\xfb\xff\xff\x83", 8224) = 56 [pid 309] futex(0x7f3031a483fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 300] <... futex resumed>) = 0 [pid 309] futex(0x7f3031a483f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 300] futex(0x7f3031a483f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 300] <... futex resumed>) = 0 [pid 309] write(3, "\x18\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00\x00\x00\x00\x00", 24 [pid 300] futex(0x7f3031a483fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 309] <... write resumed>) = 24 [pid 309] futex(0x7f3031a483fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 300] <... futex resumed>) = 0 [pid 309] futex(0x7f3031a483f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 300] futex(0x7f3031a483f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 309] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 300] <... futex resumed>) = 0 [pid 309] mount("./file0", "./file0", "incremental-fs", 0, NULL [pid 300] futex(0x7f3031a483fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 310 attached [pid 310] set_robust_list(0x7f30319399a0, 24) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] read(3, "\x2f\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x31\x01\x00\x00\x00\x00\x00\x00\x2e\x69\x6e\x64\x65\x78\x00", 8192) = 47 [pid 310] write(3, "\x90\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x00\x05\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x05\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x09\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00\x05\x00\x00\x00\x00\x00\x00\x00\x01\x80\x00\x00"..., 144) = 144 [pid 310] futex(0x7f3031a4840c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 294] <... futex resumed>) = 0 [ 21.032353][ T24] audit: type=1400 audit(1710575542.930:74): avc: denied { mounton } for pid=292 comm="syz-executor115" path="/root/syzkaller.IS4TqM/0/file0" dev="fuse" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1 [ 21.045016][ T305] general protection fault, probably for non-canonical address 0xdffffc0000000007: 0000 [#1] PREEMPT SMP KASAN [ 21.067832][ T305] KASAN: null-ptr-deref in range [0x0000000000000038-0x000000000000003f] [ 21.076085][ T305] CPU: 1 PID: 305 Comm: syz-executor115 Not tainted 5.10.209-syzkaller-00435-gdd976ecce2ce #0 [ 21.086158][ T305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 21.096234][ T305] RIP: 0010:open_or_create_special_dir+0x89/0x1d0 [ 21.102463][ T305] Code: e8 bc 2d 60 ff e9 00 01 00 00 e8 b2 2d 60 ff 48 c7 c3 ea ff ff ff e9 ef 00 00 00 4c 89 6d d0 4c 8d 6b 30 4d 89 ef 49 c1 ef 03 <43> 80 3c 37 00 74 08 4c 89 ef e8 88 a6 9d ff 49 83 7d 00 00 74 26 [ 21.121902][ T305] RSP: 0018:ffffc90000c97ab8 EFLAGS: 00010202 [pid 310] futex(0x7f3031a48408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 294] exit_group(0 [pid 310] <... futex resumed>) = ? [pid 296] <... openat resumed>) = ? [pid 294] <... exit_group resumed>) = ? [pid 310] +++ exited with 0 +++ [pid 296] +++ exited with 0 +++ [ 21.127891][ T305] RAX: 0000000000000008 RBX: 0000000000000008 RCX: ffff88811f5a13c0 [ 21.135712][ T305] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88811c53a920 [ 21.143524][ T305] RBP: ffffc90000c97af0 R08: dffffc0000000000 R09: ffffed10238a7525 [ 21.151324][ T305] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88811c53a880 [ 21.159220][ T305] R13: 0000000000000038 R14: dffffc0000000000 R15: 0000000000000007 [ 21.167034][ T305] FS: 00007f303195a6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 21.175803][ T305] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 21.182223][ T305] CR2: 0000000020008fc0 CR3: 000000011f11e000 CR4: 00000000003506a0 [ 21.190033][ T305] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 21.197850][ T305] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 21.205738][ T305] Call Trace: [ 21.208872][ T305] ? __die_body+0x62/0xb0 [ 21.213032][ T305] ? die_addr+0x9f/0xd0 [ 21.217034][ T305] ? exc_general_protection+0x3ff/0x490 [ 21.222421][ T305] ? __kasan_check_write+0x14/0x20 [ 21.227354][ T305] ? asm_exc_general_protection+0x1e/0x30 [ 21.232937][ T305] ? open_or_create_special_dir+0x89/0x1d0 [ 21.238556][ T305] ? open_or_create_special_dir+0x4f/0x1d0 [ 21.244286][ T305] incfs_mount_fs+0x48d/0xa10 [ 21.248793][ T305] ? incfs_unlink+0x80/0x80 [ 21.253160][ T305] ? vfs_parse_fs_string+0x18c/0x220 [ 21.258252][ T305] ? cap_capable+0x1ce/0x270 [ 21.262684][ T305] legacy_get_tree+0xf1/0x190 [ 21.267196][ T305] ? incfs_unlink+0x80/0x80 [ 21.271536][ T305] vfs_get_tree+0x88/0x290 [ 21.275800][ T305] do_new_mount+0x2ba/0xb30 [ 21.280132][ T305] ? do_move_mount_old+0x160/0x160 [ 21.285087][ T305] ? security_capable+0x87/0xb0 [ 21.289763][ T305] ? ns_capable+0x89/0xe0 [ 21.293928][ T305] path_mount+0x56f/0xcb0 [ 21.298092][ T305] __se_sys_mount+0x2c4/0x3b0 [ 21.302602][ T305] ? __x64_sys_mount+0xd0/0xd0 [ 21.307205][ T305] ? fpu__clear_all+0x20/0x20 [ 21.311715][ T305] __x64_sys_mount+0xbf/0xd0 [ 21.316143][ T305] do_syscall_64+0x34/0x70 [ 21.320402][ T305] entry_SYSCALL_64_after_hwframe+0x61/0xc6 [ 21.326243][ T305] RIP: 0033:0x7f30319c5d39 [ 21.330507][ T305] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 91 1b 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 [ 21.350039][ T305] RSP: 002b:00007f303195a218 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 21.358269][ T305] RAX: ffffffffffffffda RBX: 00007f3031a483f8 RCX: 00007f30319c5d39 [ 21.366089][ T305] RDX: 0000000020000180 RSI: 00000000200000c0 RDI: 0000000020000080 [ 21.373897][ T305] RBP: 00007f3031a483f0 R08: 0000000000000000 R09: 0000000000000000 [pid 301] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 300] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 299] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 301] futex(0x7f3031a4840c, FUTEX_WAKE_PRIVATE, 1000000 [pid 300] futex(0x7f3031a4840c, FUTEX_WAKE_PRIVATE, 1000000 [pid 299] futex(0x7f3031a4840c, FUTEX_WAKE_PRIVATE, 1000000 [pid 301] <... futex resumed>) = 0 [pid 300] <... futex resumed>) = 0 [pid 299] <... futex resumed>) = 0 [pid 301] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 300] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 299] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 301] <... mmap resumed>) = 0x7f3031919000 [pid 301] mprotect(0x7f303191a000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 301] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [ 21.381705][ T305] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3031a1516c [ 21.389520][ T305] R13: 0030656c69662f2e R14: 00007ffecda1aa80 R15: 00007f3031a15184 [ 21.397317][ T305] Modules linked in: [ 21.401273][ T305] ---[ end trace 19f272d91af410a2 ]--- [ 21.406613][ T305] RIP: 0010:open_or_create_special_dir+0x89/0x1d0 [ 21.412916][ T305] Code: e8 bc 2d 60 ff e9 00 01 00 00 e8 b2 2d 60 ff 48 c7 c3 ea ff ff ff e9 ef 00 00 00 4c 89 6d d0 4c 8d 6b 30 4d 89 ef 49 c1 ef 03 <43> 80 3c 37 00 74 08 4c 89 ef e8 88 a6 9d ff 49 83 7d 00 00 74 26 [pid 301] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3031939990, parent_tid=0x7f3031939990, exit_signal=0, stack=0x7f3031919000, stack_size=0x20300, tls=0x7f30319396c0} => {parent_tid=[312]}, 88) = 312 [pid 301] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 301] futex(0x7f3031a48408, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 301] futex(0x7f3031a4840c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] <... mmap resumed>) = 0x7f3031919000 [pid 300] mprotect(0x7f303191a000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 312 attached [pid 300] rt_sigprocmask(SIG_BLOCK, ~[], [pid 299] <... mmap resumed>) = 0x7f3031919000 [pid 300] <... rt_sigprocmask resumed>[], 8) = 0 [pid 300] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3031939990, parent_tid=0x7f3031939990, exit_signal=0, stack=0x7f3031919000, stack_size=0x20300, tls=0x7f30319396c0} => {parent_tid=[313]}, 88) = 313 [pid 300] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 300] futex(0x7f3031a48408, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 300] futex(0x7f3031a4840c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 312] set_robust_list(0x7f30319399a0, 24) = 0 [pid 312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 312] read(3, "\x30\x00\x00\x00\x1b\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2e\x01\x00\x00\x00\x00\x00\x00\x00\x80\x01\x00\x00\x00\x00\x00", 8192) = 48 [pid 312] futex(0x7f3031a4840c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 301] <... futex resumed>) = 0 [pid 312] futex(0x7f3031a48408, FUTEX_WAIT_PRIVATE, 0, NULL [pid 299] mprotect(0x7f303191a000, 131072, PROT_READ|PROT_WRITE) = 0 ./strace-static-x86_64: Process 313 attached [pid 299] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 299] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f3031939990, parent_tid=0x7f3031939990, exit_signal=0, stack=0x7f3031919000, stack_size=0x20300, tls=0x7f30319396c0} => {parent_tid=[314]}, 88) = 314 [pid 299] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 299] futex(0x7f3031a48408, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 299] futex(0x7f3031a4840c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 313] set_robust_list(0x7f30319399a0, 24) = 0 [pid 313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 313] read(3, "\x30\x00\x00\x00\x1b\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x01\x00\x00\x00\x00\x00\x00\x00\x80\x01\x00\x00\x00\x00\x00", 8192) = 48 [pid 313] futex(0x7f3031a4840c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 300] <... futex resumed>) = 0 [pid 313] futex(0x7f3031a48408, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 314 attached [pid 314] set_robust_list(0x7f30319399a0, 24) = 0 [pid 314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 314] read(3, "\x30\x00\x00\x00\x1b\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x30\x01\x00\x00\x00\x00\x00\x00\x00\x80\x01\x00\x00\x00\x00\x00", 8192) = 48 [pid 314] futex(0x7f3031a4840c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 299] <... futex resumed>) = 0 [ 21.432584][ T305] RSP: 0018:ffffc90000c97ab8 EFLAGS: 00010202 [ 21.438576][ T305] RAX: 0000000000000008 RBX: 0000000000000008 RCX: ffff88811f5a13c0 [ 21.446310][ T305] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88811c53a920 [ 21.454154][ T305] RBP: ffffc90000c97af0 R08: dffffc0000000000 R09: ffffed10238a7525 [ 21.461940][ T305] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88811c53a880 [ 21.469865][ T305] R13: 0000000000000038 R14: dffffc0000000000 R15: 0000000000000007 [ 21.477647][ T305] FS: 00007f303195a6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 21.486388][ T305] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 21.492831][ T305] CR2: 0000000020008fc0 CR3: 000000011f11e000 CR4: 00000000003506a0 [ 21.500728][ T305] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 21.508628][ T305] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 21.516415][ T305] Kernel panic - not syncing: Fatal exception [ 21.522600][ T305] Kernel Offset: disabled [ 21.526728][ T305] Rebooting in 86400 seconds..