ci2-android-5-15/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-5-15/syz-executor536473905

<...>
Warning: Permanently added '10.128.0.15' (ED25519) to the list of known hosts.
execve("ci2-android-5-15/syz-executor536473905", ["ci2-android-5-15/syz-executor536473905"], 0x7ffde591e050 /* 10 vars */) = 0
brk(NULL)                               = 0x55558f885000
brk(0x55558f885d40)                     = 0x55558f885d40
arch_prctl(ARCH_SET_FS, 0x55558f8853c0) = 0
set_tid_address(0x55558f885690)         = 302
set_robust_list(0x55558f8856a0, 24)     = 0
rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 32, 0, 0x53053053) = -1 ENOSYS (Function not implemented)
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci2-android-5-15/syz-executor536473905", 4096) = 44
getrandom("\x71\xdb\x9d\xf1\x92\xe6\x55\xb5", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55558f885d40
brk(0x55558f8a6d40)                     = 0x55558f8a6d40
brk(0x55558f8a7000)                     = 0x55558f8a7000
mprotect(0x7f4de3bec000, 20480, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
getrandom("\x2f\x0f\x95\x99\xab\x4c\xbf\x1d", 8, GRND_NONBLOCK) = 8
mkdir("./syzkaller.ZIw9jK", 0700)       = 0
chmod("./syzkaller.ZIw9jK", 0777)       = 0
chdir("./syzkaller.ZIw9jK")             = 0
unshare(CLONE_NEWPID)                   = 0
rt_sigprocmask(SIG_BLOCK, ~[], [], 8)   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558f885690) = 303
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-5-15/strace-static-x86_64: Process 303 attached
[pid   303] set_robust_list(0x55558f8856a0, 24) = 0
[pid   303] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   303] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   303] getppid()                   = 0
[pid   303] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid   303] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid   303] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid   303] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid   303] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid   303] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid   303] unshare(CLONE_NEWNS)        = 0
[pid   303] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid   303] unshare(CLONE_NEWIPC)       = -1 EINVAL (Invalid argument)
[pid   303] unshare(CLONE_NEWCGROUP)    = 0
[pid   303] unshare(CLONE_NEWUTS)       = 0
[pid   303] unshare(CLONE_SYSVSEM)      = 0
[pid   303] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   303] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   303] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   303] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   303] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   303] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   303] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   303] getpid()                    = 1
[pid   303] 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   303] 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   303] unshare(CLONE_NEWNET)       = 0
[pid   303] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid   303] write(3, "0 65535", 7)      = 7
[pid   303] close(3)                    = 0
[pid   303] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid   303] write(3, "100000", 6)       = 6
[pid   303] close(3)                    = 0
[pid   303] mkdir("./syz-tmp", 0777)    = 0
[   26.412080][   T30] audit: type=1400 audit(1789060914.531:64): avc:  denied  { execmem } for  pid=302 comm="syz-executor536" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   26.437373][   T30] audit: type=1400 audit(1789060914.551:65): avc:  denied  { mounton } for  pid=303 comm="syz-executor536" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[pid   303] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid   303] mkdir("./syz-tmp/newroot", 0777) = 0
[pid   303] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid   303] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   303] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid   303] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid   303] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid   303] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid   303] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   303] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid   303] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   303] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   303] 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   303] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   303] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0
[pid   303] 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)
[   26.473674][   T30] audit: type=1400 audit(1789060914.591:66): avc:  denied  { mounton } for  pid=303 comm="syz-executor536" path="/root/syzkaller.ZIw9jK/syz-tmp" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   26.498164][   T30] audit: type=1400 audit(1789060914.591:67): avc:  denied  { mount } for  pid=303 comm="syz-executor536" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[pid   303] mkdir("./syz-tmp/pivot", 0777) = 0
[pid   303] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid   303] chdir("/")                  = 0
[pid   303] umount2("./pivot", MNT_DETACH) = 0
[pid   303] chroot("./newroot")         = 0
[pid   303] chdir("/")                  = 0
[pid   303] mkdir("/dev/gadgetfs", 0777) = 0
[   26.520537][   T30] audit: type=1400 audit(1789060914.611:68): avc:  denied  { mounton } for  pid=303 comm="syz-executor536" path="/root/syzkaller.ZIw9jK/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
[   26.545944][   T30] audit: type=1400 audit(1789060914.611:69): avc:  denied  { mount } for  pid=303 comm="syz-executor536" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[pid   303] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = -1 ENODEV (No such device)
[pid   303] mkdir("/dev/binderfs", 0777) = 0
[pid   303] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid   303] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   303] mkdir("./0", 0777)          = 0
[pid   303] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   303] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558f885690) = 2
[pid   303] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-5-15/strace-static-x86_64: Process 304 attached
[pid   304] set_robust_list(0x55558f8856a0, 24) = 0
[pid   304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   304] chdir("./0")                = 0
[pid   304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   304] setpgid(0, 0)               = 0
[pid   304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   304] write(3, "1000", 4)         = 4
[pid   304] close(3)                    = 0
[pid   304] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid   304] write(1, "executing program\n", 18) = 18
[pid   304] mkdir("./bus", 000)         = 0
[   26.554185][  T303] request_module fs-gadgetfs succeeded, but still no fs?
[   26.568160][   T30] audit: type=1400 audit(1789060914.611:70): avc:  denied  { mounton } for  pid=303 comm="syz-executor536" path="/root/syzkaller.ZIw9jK/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   304] mount(".", "./bus", "incremental-fs", MS_NOSUID|MS_REC|MS_I_VERSION|MS_STRICTATIME, NULL) = 0
[pid   304] close(3)                    = -1 EBADF (Bad file descriptor)
[pid   304] close(4)                    = -1 EBADF (Bad file descriptor)
[pid   304] close(5)                    = -1 EBADF (Bad file descriptor)
[pid   304] close(6)                    = -1 EBADF (Bad file descriptor)
[pid   304] close(7)                    = -1 EBADF (Bad file descriptor)
[pid   304] close(8)                    = -1 EBADF (Bad file descriptor)
[pid   304] close(9)                    = -1 EBADF (Bad file descriptor)
[pid   304] close(10)                   = -1 EBADF (Bad file descriptor)
[pid   304] close(11)                   = -1 EBADF (Bad file descriptor)
[pid   304] close(12)                   = -1 EBADF (Bad file descriptor)
[pid   304] close(13)                   = -1 EBADF (Bad file descriptor)
[pid   304] close(14)                   = -1 EBADF (Bad file descriptor)
[pid   304] close(15)                   = -1 EBADF (Bad file descriptor)
[pid   304] close(16)                   = -1 EBADF (Bad file descriptor)
[pid   304] close(17)                   = -1 EBADF (Bad file descriptor)
[pid   304] close(18)                   = -1 EBADF (Bad file descriptor)
[pid   304] close(19)                   = -1 EBADF (Bad file descriptor)
[pid   304] close(20)                   = -1 EBADF (Bad file descriptor)
[pid   304] close(21)                   = -1 EBADF (Bad file descriptor)
[pid   304] close(22)                   = -1 EBADF (Bad file descriptor)
[pid   304] close(23)                   = -1 EBADF (Bad file descriptor)
[pid   304] close(24)                   = -1 EBADF (Bad file descriptor)
[pid   304] close(25)                   = -1 EBADF (Bad file descriptor)
[pid   304] close(26)                   = -1 EBADF (Bad file descriptor)
[pid   304] close(27)                   = -1 EBADF (Bad file descriptor)
[pid   304] close(28)                   = -1 EBADF (Bad file descriptor)
[pid   304] close(29)                   = -1 EBADF (Bad file descriptor)
[pid   304] exit_group(0)               = ?
[pid   304] +++ exited with 0 +++
[pid   303] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[pid   303] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   303] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   303] fstat(3, {st_mode=S_IFDIR|0700, st_size=120, ...}) = 0
[pid   303] getdents64(3, 0x55558f886750 /* 6 entries */, 32768) = 168
[pid   303] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   303] newfstatat(AT_FDCWD, "./0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   303] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   303] openat(AT_FDCWD, "./0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   303] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0
[pid   303] getdents64(4, 0x55558f88e790 /* 2 entries */, 32768) = 48
[pid   303] getdents64(4, 0x55558f88e790 /* 0 entries */, 32768) = 0
[pid   303] close(4)                    = 0
[pid   303] rmdir("./0/.incomplete")    = 0
[pid   303] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   303] newfstatat(AT_FDCWD, "./0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   303] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   303] openat(AT_FDCWD, "./0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   303] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0
[pid   303] getdents64(4, 0x55558f88e790 /* 2 entries */, 32768) = 48
[   26.601791][   T30] audit: type=1400 audit(1789060914.641:71): avc:  denied  { mounton } for  pid=303 comm="syz-executor536" path="/root/syzkaller.ZIw9jK/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=14705 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   26.609954][  T304] incfs: ino conflict with backing FS 9
[   26.629734][   T30] audit: type=1400 audit(1789060914.641:72): avc:  denied  { unmount } for  pid=303 comm="syz-executor536" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[pid   303] getdents64(4, 0x55558f88e790 /* 0 entries */, 32768) = 0
[pid   303] close(4)                    = 0
[pid   303] rmdir("./0/.index")         = 0
[   26.655032][   T30] audit: type=1400 audit(1789060914.661:73): avc:  denied  { mounton } for  pid=303 comm="syz-executor536" path="/dev/gadgetfs" dev="devtmpfs" ino=556 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[   26.678251][  T303] ------------[ cut here ]------------
[   26.683882][  T303] WARNING: CPU: 1 PID: 303 at fs/inode.c:335 drop_nlink+0xc5/0x110
[   26.691844][  T303] Modules linked in:
[   26.695766][  T303] CPU: 1 PID: 303 Comm: syz-executor536 Not tainted syzkaller #0
[   26.703508][  T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   26.713624][  T303] RIP: 0010:drop_nlink+0xc5/0x110
[   26.718655][  T303] Code: 1b 48 8d bb b8 04 00 00 be 08 00 00 00 e8 c3 0a f2 ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 2b 94 b2 ff <0f> 0b eb 86 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 5e ff ff ff 4c
[   26.738404][  T303] RSP: 0018:ffffc90000967bd0 EFLAGS: 00010293
[   26.744500][  T303] RAX: ffffffff81b73365 RBX: ffff88811d66ba10 RCX: ffff88811efd0000
[   26.752668][  T303] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   26.760653][  T303] RBP: ffffc90000967bf8 R08: 0000000000000003 R09: 0000000000000004
[   26.768659][  T303] R10: dffffc0000000000 R11: fffff5200012cf68 R12: dffffc0000000000
[   26.776672][  T303] R13: 1ffff11023acd74b R14: ffff88811d66ba58 R15: 0000000000000000
[   26.784681][  T303] FS:  000055558f8853c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   26.793639][  T303] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.800221][  T303] CR2: 000055558f896798 CR3: 000000012545c000 CR4: 00000000003506a0
[   26.808237][  T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   26.816306][  T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   26.824312][  T303] Call Trace:
[   26.827616][  T303]  <TASK>
[   26.830560][  T303]  shmem_rmdir+0x5b/0x90
[   26.834857][  T303]  vfs_rmdir+0x1ae/0x450
[   26.839120][  T303]  incfs_kill_sb+0xfe/0x210
[   26.843686][  T303]  deactivate_locked_super+0xa0/0x100
[   26.849077][  T303]  deactivate_super+0xaf/0xe0
[   26.853779][  T303]  cleanup_mnt+0x44f/0x500
[   26.858206][  T303]  __cleanup_mnt+0x19/0x20
[   26.862655][  T303]  task_work_run+0x127/0x190
[   26.867260][  T303]  ptrace_notify+0x230/0x270
[   26.871893][  T303]  ? do_notify_parent+0x830/0x830
[   26.876938][  T303]  ? user_path_at_empty+0x162/0x1c0
[   26.882217][  T303]  ? __x64_sys_umount+0x12d/0x170
[   26.887257][  T303]  ? path_umount+0xfa0/0xfa0
[   26.892017][  T303]  syscall_exit_work+0x87/0x160
[   26.896900][  T303]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   26.903109][  T303]  syscall_exit_to_user_mode+0xd/0x30
[   26.908492][  T303]  do_syscall_64+0x58/0xa0
[   26.912943][  T303]  ? clear_bhb_loop+0x50/0xa0
[   26.917651][  T303]  ? clear_bhb_loop+0x50/0xa0
[   26.922377][  T303]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   26.928294][  T303] RIP: 0033:0x7f4de3b59527
[   26.932745][  T303] Code: bf 41 4d 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 64 85 09 00 00 00 00 00 eb 96 e8 b1 05 00 00 90 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 d8 ff ff ff f7 d8 64 89 02 b8
[   26.952390][  T303] RSP: 002b:00007ffcc1e65be8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   26.960875][  T303] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f4de3b59527
[   26.968858][  T303] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcc1e65ca0
[   26.976877][  T303] RBP: 00007ffcc1e65ca0 R08: 00007ffcc1e66ca0 R09: 00000000ffffffff
[   26.984898][  T303] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcc1e66d10
[   26.992900][  T303] R13: 000055558f886720 R14: 00007ffcc1e66d10 R15: 0000000000000001
[   27.000915][  T303]  </TASK>
[   27.003928][  T303] ---[ end trace 6a1d1307b1acd0d2 ]---
[   27.009418][  T303] ==================================================================
[   27.017475][  T303] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60
[   27.023715][  T303] Write of size 4 at addr 0000000000000170 by task syz-executor536/303
[   27.031941][  T303] 
[   27.034259][  T303] CPU: 0 PID: 303 Comm: syz-executor536 Tainted: G        W         syzkaller #0
[   27.043382][  T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   27.053429][  T303] Call Trace:
[   27.056701][  T303]  <TASK>
[   27.059625][  T303]  __dump_stack+0x21/0x30
[   27.063946][  T303]  dump_stack_lvl+0x110/0x170
[   27.068614][  T303]  ? show_regs_print_info+0x20/0x20
[   27.073802][  T303]  ? _raw_spin_lock+0x94/0xf0
[   27.078468][  T303]  ? _raw_spin_trylock_bh+0x150/0x150
[   27.083853][  T303]  ? ihold+0x20/0x60
[   27.087740][  T303]  kasan_report+0xcc/0x150
[   27.092150][  T303]  ? ihold+0x20/0x60
[   27.096037][  T303]  kasan_check_range+0x249/0x2a0
[   27.100967][  T303]  __kasan_check_write+0x14/0x20
[   27.105901][  T303]  ihold+0x20/0x60
[   27.109620][  T303]  vfs_rmdir+0x23d/0x450
[   27.113854][  T303]  incfs_kill_sb+0xfe/0x210
[   27.118352][  T303]  deactivate_locked_super+0xa0/0x100
[   27.123720][  T303]  deactivate_super+0xaf/0xe0
[   27.128392][  T303]  cleanup_mnt+0x44f/0x500
[   27.132816][  T303]  __cleanup_mnt+0x19/0x20
[   27.137223][  T303]  task_work_run+0x127/0x190
[   27.141805][  T303]  ptrace_notify+0x230/0x270
[   27.146388][  T303]  ? do_notify_parent+0x830/0x830
[   27.151418][  T303]  ? user_path_at_empty+0x162/0x1c0
[   27.156614][  T303]  ? __x64_sys_umount+0x12d/0x170
[   27.161636][  T303]  ? path_umount+0xfa0/0xfa0
[   27.166236][  T303]  syscall_exit_work+0x87/0x160
[   27.171101][  T303]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   27.177247][  T303]  syscall_exit_to_user_mode+0xd/0x30
[   27.182615][  T303]  do_syscall_64+0x58/0xa0
[   27.187025][  T303]  ? clear_bhb_loop+0x50/0xa0
[   27.191694][  T303]  ? clear_bhb_loop+0x50/0xa0
[   27.196370][  T303]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   27.202285][  T303] RIP: 0033:0x7f4de3b59527
[   27.206716][  T303] Code: bf 41 4d 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 64 85 09 00 00 00 00 00 eb 96 e8 b1 05 00 00 90 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 d8 ff ff ff f7 d8 64 89 02 b8
[   27.226338][  T303] RSP: 002b:00007ffcc1e65be8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   27.234746][  T303] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f4de3b59527
[   27.242711][  T303] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcc1e65ca0
[   27.250674][  T303] RBP: 00007ffcc1e65ca0 R08: 00007ffcc1e66ca0 R09: 00000000ffffffff
[   27.258759][  T303] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcc1e66d10
[   27.266744][  T303] R13: 000055558f886720 R14: 00007ffcc1e66d10 R15: 0000000000000001
[   27.274725][  T303]  </TASK>
[   27.277749][  T303] ==================================================================
[   27.285796][  T303] Disabling lock debugging due to kernel taint
[   27.292101][  T303] BUG: kernel NULL pointer dereference, address: 0000000000000170
[   27.299932][  T303] #PF: supervisor write access in kernel mode
[   27.306001][  T303] #PF: error_code(0x0002) - not-present page
[   27.311971][  T303] PGD 0 P4D 0 
[   27.315367][  T303] Oops: 0002 [#1] PREEMPT SMP KASAN
[   27.320557][  T303] CPU: 0 PID: 303 Comm: syz-executor536 Tainted: G    B   W         syzkaller #0
[   27.329653][  T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   27.339695][  T303] RIP: 0010:ihold+0x26/0x60
[   27.344196][  T303] Code: 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8 41 8c b2 ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 b0 02 f2 ff 41 be 01 00 00 00 <f0> 44 0f c1 b3 70 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 c1
[   27.363793][  T303] RSP: 0018:ffffc90000967c10 EFLAGS: 00010246
[   27.369856][  T303] RAX: ffff88811efd0000 RBX: 0000000000000000 RCX: ffff88811efd0000
[   27.377823][  T303] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000ffffffff
[   27.385787][  T303] RBP: ffffc90000967c20 R08: 0000000000000003 R09: 0000000000000004
[   27.393763][  T303] R10: dffffc0000000000 R11: fffffbfff0e18e4c R12: 1ffff110241d037c
[   27.401757][  T303] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
[   27.409736][  T303] FS:  000055558f8853c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   27.418674][  T303] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.425270][  T303] CR2: 0000000000000170 CR3: 000000012545c000 CR4: 00000000003506b0
[   27.433248][  T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   27.441224][  T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   27.449208][  T303] Call Trace:
[   27.452496][  T303]  <TASK>
[   27.455440][  T303]  vfs_rmdir+0x23d/0x450
[   27.459782][  T303]  incfs_kill_sb+0xfe/0x210
[   27.464294][  T303]  deactivate_locked_super+0xa0/0x100
[   27.469675][  T303]  deactivate_super+0xaf/0xe0
[   27.474357][  T303]  cleanup_mnt+0x44f/0x500
[   27.478790][  T303]  __cleanup_mnt+0x19/0x20
[   27.483217][  T303]  task_work_run+0x127/0x190
[   27.487817][  T303]  ptrace_notify+0x230/0x270
[   27.492414][  T303]  ? do_notify_parent+0x830/0x830
[   27.497451][  T303]  ? user_path_at_empty+0x162/0x1c0
[   27.502662][  T303]  ? __x64_sys_umount+0x12d/0x170
[   27.507693][  T303]  ? path_umount+0xfa0/0xfa0
[   27.512327][  T303]  syscall_exit_work+0x87/0x160
[   27.517195][  T303]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   27.523359][  T303]  syscall_exit_to_user_mode+0xd/0x30
[   27.528738][  T303]  do_syscall_64+0x58/0xa0
[   27.533172][  T303]  ? clear_bhb_loop+0x50/0xa0
[   27.537855][  T303]  ? clear_bhb_loop+0x50/0xa0
[   27.542560][  T303]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   27.548466][  T303] RIP: 0033:0x7f4de3b59527
[   27.552889][  T303] Code: bf 41 4d 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 64 85 09 00 00 00 00 00 eb 96 e8 b1 05 00 00 90 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 d8 ff ff ff f7 d8 64 89 02 b8
[   27.572501][  T303] RSP: 002b:00007ffcc1e65be8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   27.580922][  T303] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f4de3b59527
[   27.588898][  T303] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcc1e65ca0
[   27.596877][  T303] RBP: 00007ffcc1e65ca0 R08: 00007ffcc1e66ca0 R09: 00000000ffffffff
[   27.604853][  T303] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcc1e66d10
[   27.612843][  T303] R13: 000055558f886720 R14: 00007ffcc1e66d10 R15: 0000000000000001
[   27.620826][  T303]  </TASK>
[   27.623862][  T303] Modules linked in:
[   27.627781][  T303] CR2: 0000000000000170
[   27.631948][  T303] ---[ end trace 6a1d1307b1acd0d3 ]---
[   27.637414][  T303] RIP: 0010:ihold+0x26/0x60
[   27.641930][  T303] Code: 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8 41 8c b2 ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 b0 02 f2 ff 41 be 01 00 00 00 <f0> 44 0f c1 b3 70 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 c1
[   27.661549][  T303] RSP: 0018:ffffc90000967c10 EFLAGS: 00010246
[   27.667622][  T303] RAX: ffff88811efd0000 RBX: 0000000000000000 RCX: ffff88811efd0000
[   27.675600][  T303] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000ffffffff
[   27.683583][  T303] RBP: ffffc90000967c20 R08: 0000000000000003 R09: 0000000000000004
[   27.691565][  T303] R10: dffffc0000000000 R11: fffffbfff0e18e4c R12: 1ffff110241d037c
[   27.699548][  T303] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
[   27.707527][  T303] FS:  000055558f8853c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   27.716631][  T303] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.723230][  T303] CR2: 0000000000000170 CR3: 000000012545c000 CR4: 00000000003506b0
[   27.731217][  T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   27.739226][  T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   27.747215][  T303] Kernel panic - not syncing: Fatal exception
[   27.753609][  T303] Kernel Offset: disabled
[   27.757941][  T303] Rebooting in 86400 seconds..