ci2-android-6-12-rust/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-6-12-rust/syz-executor1662755833

<...>
ess permissive=1
[   20.574550][   T36] audit: type=1400 audit(1785598729.569:63): avc:  denied  { siginh } for  pid=274 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
Warning: Permanently added '10.128.0.46' (ED25519) to the list of known hosts.
execve("ci2-android-6-12-rust/syz-executor1662755833", ["ci2-android-6-12-rust/syz-executor1662755833"], 0x7ffcd3231d40 /* 10 vars */) = 0
brk(NULL)                               = 0x55555fdf6000
brk(0x55555fdf6d40)                     = 0x55555fdf6d40
arch_prctl(ARCH_SET_FS, 0x55555fdf63c0) = 0
set_tid_address(0x55555fdf6690)         = 312
set_robust_list(0x55555fdf66a0, 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-6-12-rust/syz-executor1662755833", 4096) = 50
getrandom("\x63\x7b\x75\xc1\x65\x87\x8a\xdd", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55555fdf6d40
brk(0x55555fe17d40)                     = 0x55555fe17d40
brk(0x55555fe18000)                     = 0x55555fe18000
mprotect(0x7f5525474000, 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("\x76\x24\xc3\x65\x66\xe8\xd4\xc3", 8, GRND_NONBLOCK) = 8
mkdir("./syzkaller.2Mb36F", 0700)       = 0
chmod("./syzkaller.2Mb36F", 0777)       = 0
chdir("./syzkaller.2Mb36F")             = 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=0x55555fdf6690) = 313
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 313 attached
[pid   313] set_robust_list(0x55555fdf66a0, 24) = 0
[pid   313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   313] getppid()                   = 0
[pid   313] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid   313] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid   313] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid   313] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid   313] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid   313] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid   313] unshare(CLONE_NEWNS)        = 0
[pid   313] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid   313] unshare(CLONE_NEWIPC)       = -1 EINVAL (Invalid argument)
[pid   313] unshare(CLONE_NEWCGROUP)    = 0
[pid   313] unshare(CLONE_NEWUTS)       = 0
[pid   313] unshare(CLONE_SYSVSEM)      = 0
[pid   313] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   313] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   313] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   313] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   313] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   313] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   313] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   313] getpid()                    = 1
[pid   313] 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   313] 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   313] unshare(CLONE_NEWNET)       = 0
[pid   313] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid   313] write(3, "0 65535", 7)      = 7
[pid   313] close(3)                    = 0
[pid   313] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid   313] write(3, "100000", 6)       = 6
[pid   313] close(3)                    = 0
[pid   313] mkdir("./syz-tmp", 0777)    = 0
[pid   313] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid   313] mkdir("./syz-tmp/newroot", 0777) = 0
[pid   313] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid   313] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   313] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid   313] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid   313] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid   313] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid   313] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   313] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid   313] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   313] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   313] 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   313] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   313] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0
[pid   313] 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   313] mkdir("./syz-tmp/pivot", 0777) = 0
[pid   313] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid   313] chdir("/")                  = 0
[   30.292027][   T36] audit: type=1400 audit(1785598739.299:64): avc:  denied  { execmem } for  pid=312 comm="syz-executor166" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   30.311662][   T36] audit: type=1400 audit(1785598739.309:65): avc:  denied  { mounton } for  pid=313 comm="syz-executor166" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[pid   313] umount2("./pivot", MNT_DETACH) = 0
[pid   313] chroot("./newroot")         = 0
[pid   313] chdir("/")                  = 0
[pid   313] mkdir("/dev/gadgetfs", 0777) = 0
[pid   313] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = -1 ENODEV (No such device)
[pid   313] mkdir("/dev/binderfs", 0777) = 0
[pid   313] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid   313] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   313] mkdir("./0", 0777)          = 0
[pid   313] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   313] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555fdf6690) = 2
[pid   313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
ci2-android-6-12-rust/strace-static-x86_64: Process 314 attached
[pid   314] set_robust_list(0x55555fdf66a0, 24) = 0
[pid   314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   314] chdir("./0")                = 0
[pid   314] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   314] setpgid(0, 0)               = 0
[pid   314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   314] write(3, "1000", 4)         = 4
[pid   314] close(3)                    = 0
[pid   314] symlink("/dev/binderfs", "./binderfs") = 0
[pid   314] write(1, "executing program\n", 18) = 18
executing program
[pid   314] futex(0x7f552547ab2c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   314] rt_sigaction(SIGRT_1, {sa_handler=0x7f55253dc090, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f55253ce040}, NULL, 8) = 0
[pid   314] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid   314] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5525374000
[pid   314] mprotect(0x7f5525375000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5525394990, parent_tid=0x7f5525394990, exit_signal=0, stack=0x7f5525374000, stack_size=0x20300, tls=0x7f55253946c0} => {parent_tid=[3]}, 88) = 3
[pid   314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   314] futex(0x7f552547ab28, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   314] futex(0x7f552547ab2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 315 attached
 <unfinished ...>
[pid   315] set_robust_list(0x7f55253949a0, 24) = 0
[pid   315] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   315] mkdirat(AT_FDCWD, "./file0", 000) = 0
[pid   315] futex(0x7f552547ab2c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... futex resumed>)        = 0
[pid   315] <... futex resumed>)        = 1
[pid   314] futex(0x7f552547ab28, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   315] mount("./file0", "./file0", "incremental-fs", 0, NULL) = 0
[pid   314] <... futex resumed>)        = 0
[pid   314] futex(0x7f552547ab2c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid   315] mount("./file0", "./file0", "incremental-fs", 0, NULL) = 0
[   30.333564][   T36] audit: type=1400 audit(1785598739.329:66): avc:  denied  { mounton } for  pid=313 comm="syz-executor166" path="/root/syzkaller.2Mb36F/syz-tmp" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   30.359149][   T36] audit: type=1400 audit(1785598739.329:67): avc:  denied  { mount } for  pid=313 comm="syz-executor166" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[   30.379997][  T315] incfs: mount failed -22
[pid   315] mount("./file0", "./file0", "incremental-fs", 0, NULL) = -1 EINVAL (Invalid argument)
[pid   315] mount("./file0", "./file0", "incremental-fs", 0, NULL) = -1 EINVAL (Invalid argument)
[   30.381444][   T36] audit: type=1400 audit(1785598739.339:68): avc:  denied  { mounton } for  pid=313 comm="syz-executor166" path="/root/syzkaller.2Mb36F/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
[   30.386010][  T315] incfs: mount failed -22
[   30.411591][   T36] audit: type=1400 audit(1785598739.339:69): avc:  denied  { mount } for  pid=313 comm="syz-executor166" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[   30.415903][  T315] incfs: mount failed -22
[pid   315] mount("./file0", "./file0", "incremental-fs", 0, NULL <unfinished ...>
[pid   314] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid   314] futex(0x7f552547ab3c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   314] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f5525353000
[pid   314] mprotect(0x7f5525354000, 131072, PROT_READ|PROT_WRITE) = 0
[pid   314] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid   314] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f5525373990, parent_tid=0x7f5525373990, exit_signal=0, stack=0x7f5525353000, stack_size=0x20300, tls=0x7f55253736c0} => {parent_tid=[4]}, 88) = 4
[pid   314] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   314] futex(0x7f552547ab38, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid   314] futex(0x7f552547ab3c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-12-rust/strace-static-x86_64: Process 316 attached
 <unfinished ...>
[pid   316] set_robust_list(0x7f55253739a0, 24) = 0
[pid   316] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid   316] sendmsg(-1, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=NULL, iov_len=0}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_OOB|MSG_MORE) = -1 EBADF (Bad file descriptor)
[pid   316] futex(0x7f552547ab3c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid   314] <... futex resumed>)        = 0
[pid   316] <... futex resumed>)        = 1
[pid   316] futex(0x7f552547ab38, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid   315] <... mount resumed>)        = -1 EINVAL (Invalid argument)
[   30.438477][   T36] audit: type=1400 audit(1785598739.339:70): avc:  denied  { mounton } for  pid=313 comm="syz-executor166" path="/root/syzkaller.2Mb36F/syz-tmp/newroot/selinux" dev="tmpfs" ino=5 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=dir permissive=1
[   30.445833][  T315] incfs: ino conflict with backing FS 9
[pid   315] mount("", "./file0", "incremental-fs", 0, NULL) = 0
[pid   315] mount("", "./file0", "incremental-fs", 0, NULL) = 0
[   30.468897][   T36] audit: type=1400 audit(1785598739.339:71): avc:  denied  { mounton } for  pid=313 comm="syz-executor166" path="/root/syzkaller.2Mb36F/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
[   30.474935][  T315] incfs: ino conflict with backing FS 9
[   30.501524][   T36] audit: type=1400 audit(1785598739.339:72): avc:  denied  { mounton } for  pid=313 comm="syz-executor166" path="/root/syzkaller.2Mb36F/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=2454 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   30.507512][  T315] incfs: ino conflict with backing FS 9
[pid   315] mount("", "./file0", "incremental-fs", 0, NULL) = 0
[pid   315] mount("", "./file0", "incremental-fs", 0, NULL) = 0
[pid   315] mount("", "./file0", "incremental-fs", 0, NULL) = 0
[pid   315] mount("", "./file0", "incremental-fs", 0, NULL) = 0
[pid   315] mount("", "./file0", "incremental-fs", 0, NULL) = 0
[pid   315] mount("", "./file0", "incremental-fs", 0, NULL) = 0
[   30.534665][   T36] audit: type=1400 audit(1785598739.349:73): avc:  denied  { unmount } for  pid=313 comm="syz-executor166" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   30.540887][  T315] incfs: ino conflict with backing FS 9
[   30.566244][  T315] incfs: ino conflict with backing FS 9
[   30.572604][  T315] incfs: ino conflict with backing FS 9
[   30.578970][  T315] incfs: ino conflict with backing FS 9
[   30.585167][  T315] incfs: ino conflict with backing FS 9
[pid   315] mount("", "./file0", "incremental-fs", 0, NULL) = 0
[pid   315] mount("", "./file0", "incremental-fs", 0, NULL) = 0
[pid   315] mount("", "./file0", "incremental-fs", 0, NULL) = 0
[pid   315] mount("", "./file0", "incremental-fs", 0, NULL) = 0
[pid   315] mount("", "./file0", "incremental-fs", 0, NULL) = 0
[pid   315] mount("", "./file0", "incremental-fs", 0, NULL) = 0
[pid   315] mount("", "./file0", "incremental-fs", 0, NULL) = 0
[pid   315] mount("", "./file0", "incremental-fs", 0, NULL) = 0
[   30.591486][  T315] incfs: ino conflict with backing FS 9
[   30.597930][  T315] incfs: ino conflict with backing FS 9
[   30.604343][  T315] incfs: ino conflict with backing FS 9
[   30.610847][  T315] incfs: ino conflict with backing FS 9
[   30.617175][  T315] incfs: ino conflict with backing FS 9
[   30.623733][  T315] incfs: ino conflict with backing FS 9
[   30.630313][  T315] incfs: ino conflict with backing FS 9
[   30.636613][  T315] incfs: ino conflict with backing FS 9
[pid   315] mount("", "./file0", "incremental-fs", 0, NULL) = 0
[pid   315] mount("", "./file0", "incremental-fs", 0, NULL) = 0
[pid   315] mount("", "./file0", "incremental-fs", 0, NULL) = 0
[pid   315] mount("", "./file0", "incremental-fs", 0, NULL) = 0
[pid   315] mount("", "./file0", "incremental-fs", 0, NULL) = 0
[pid   315] mount("", "./file0", "incremental-fs", 0, NULL) = 0
[pid   315] mount("", "./file0", "incremental-fs", 0, NULL) = 0
[   30.644799][  T315] incfs: ino conflict with backing FS 9
[   30.651222][  T315] incfs: ino conflict with backing FS 9
[   30.657760][  T315] incfs: ino conflict with backing FS 9
[   30.663982][  T315] incfs: ino conflict with backing FS 9
[   30.670158][  T315] incfs: ino conflict with backing FS 9
[   30.676960][  T315] incfs: ino conflict with backing FS 9
[   30.683717][  T315] incfs: ino conflict with backing FS 9
[pid   315] mount("", "./file0", "incremental-fs", 0, NULL) = 0
[pid   315] mount("", "./file0", "incremental-fs", 0, NULL) = 0
[pid   315] mount("", "./file0", "incremental-fs", 0, NULL) = 0
[pid   315] mount("", "./file0", "incremental-fs", 0, NULL) = 0
[pid   315] mount("", "./file0", "incremental-fs", 0, NULL <unfinished ...>
[pid   314] close(3)                    = -1 EBADF (Bad file descriptor)
[pid   314] close(4)                    = -1 EBADF (Bad file descriptor)
[pid   314] close(5)                    = -1 EBADF (Bad file descriptor)
[pid   314] close(6)                    = -1 EBADF (Bad file descriptor)
[pid   314] close(7)                    = -1 EBADF (Bad file descriptor)
[pid   314] close(8)                    = -1 EBADF (Bad file descriptor)
[pid   314] close(9)                    = -1 EBADF (Bad file descriptor)
[pid   314] close(10)                   = -1 EBADF (Bad file descriptor)
[pid   314] close(11)                   = -1 EBADF (Bad file descriptor)
[pid   314] close(12)                   = -1 EBADF (Bad file descriptor)
[pid   314] close(13)                   = -1 EBADF (Bad file descriptor)
[pid   314] close(14)                   = -1 EBADF (Bad file descriptor)
[pid   314] close(15)                   = -1 EBADF (Bad file descriptor)
[pid   314] close(16)                   = -1 EBADF (Bad file descriptor)
[pid   315] <... mount resumed>)        = 0
[pid   314] close(17 <unfinished ...>
[pid   315] mount("", "./file0", "incremental-fs", 0, NULL <unfinished ...>
[pid   314] <... close resumed>)        = -1 EBADF (Bad file descriptor)
[pid   314] close(18)                   = -1 EBADF (Bad file descriptor)
[pid   314] close(19)                   = -1 EBADF (Bad file descriptor)
[pid   314] close(20)                   = -1 EBADF (Bad file descriptor)
[pid   314] close(21)                   = -1 EBADF (Bad file descriptor)
[pid   314] close(22)                   = -1 EBADF (Bad file descriptor)
[pid   314] close(23)                   = -1 EBADF (Bad file descriptor)
[pid   314] close(24)                   = -1 EBADF (Bad file descriptor)
[pid   314] close(25)                   = -1 EBADF (Bad file descriptor)
[pid   314] close(26)                   = -1 EBADF (Bad file descriptor)
[pid   314] close(27)                   = -1 EBADF (Bad file descriptor)
[pid   314] close(28)                   = -1 EBADF (Bad file descriptor)
[pid   314] close(29)                   = -1 EBADF (Bad file descriptor)
[pid   315] <... mount resumed>)        = 0
[pid   314] exit_group(0)               = ?
[pid   316] <... futex resumed>)        = ?
[pid   316] +++ exited with 0 +++
[pid   315] +++ exited with 0 +++
[pid   314] +++ exited with 0 +++
[pid   313] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} ---
[pid   313] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0
[pid   313] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   313] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   313] fstat(3, {st_mode=S_IFDIR|0700, st_size=120, ...}) = 0
[pid   313] getdents64(3, 0x55555fdf7760 /* 6 entries */, 32768) = 176
[pid   313] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   313] newfstatat(AT_FDCWD, "./0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   313] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   313] openat(AT_FDCWD, "./0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   313] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0
[pid   313] getdents64(4, 0x55555fdff7a0 /* 2 entries */, 32768) = 48
[pid   313] getdents64(4, 0x55555fdff7a0 /* 0 entries */, 32768) = 0
[pid   313] close(4)                    = 0
[pid   313] rmdir("./0/.incomplete")    = 0
[pid   313] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   313] newfstatat(AT_FDCWD, "./0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   313] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   313] openat(AT_FDCWD, "./0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   313] fstat(4, {st_mode=S_IFDIR|0700, st_size=40, ...}) = 0
[pid   313] getdents64(4, 0x55555fdff7a0 /* 2 entries */, 32768) = 48
[pid   313] getdents64(4, 0x55555fdff7a0 /* 0 entries */, 32768) = 0
[pid   313] close(4)                    = 0
[pid   313] rmdir("./0/.index")         = 0
[pid   313] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   313] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   313] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   313] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   313] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   313] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   313] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   313] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   313] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   313] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   313] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   313] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   313] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   313] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   313] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   313] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   313] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   313] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   313] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   313] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   313] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   313] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   313] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   313] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   313] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   313] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   313] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[pid   313] umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = 0
[   30.692065][  T315] incfs: ino conflict with backing FS 9
[   30.698535][  T315] incfs: ino conflict with backing FS 9
[   30.706155][  T315] incfs: ino conflict with backing FS 9
[   30.712532][  T315] incfs: ino conflict with backing FS 9
[   30.719177][  T315] incfs: ino conflict with backing FS 9
[   30.725572][  T315] incfs: ino conflict with backing FS 9
[   30.749598][  T313] ------------[ cut here ]------------
[   30.755441][  T313] WARNING: CPU: 0 PID: 313 at fs/inode.c:340 drop_nlink+0xce/0x110
[   30.763529][  T313] Modules linked in:
[   30.767635][  T313] CPU: 0 UID: 0 PID: 313 Comm: syz-executor166 Not tainted syzkaller #0 200dea8a17c83f35b0a1e1238c384757fc17b797
[   30.779939][  T313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   30.790540][  T313] RIP: 0010:drop_nlink+0xce/0x110
[   30.795653][  T313] Code: 04 00 00 be 08 00 00 00 e8 4f 14 ee ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 42 4e 95 ff <0f> 0b eb 81 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 59 ff ff ff 4c
[   30.816368][  T313] RSP: 0018:ffffc9000119fb48 EFLAGS: 00010293
[   30.822688][  T313] RAX: ffffffff81f2237e RBX: ffff888130e5cb98 RCX: ffff888122fa8000
[   30.830868][  T313] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   30.839164][  T313] RBP: ffffc9000119fb70 R08: 0000000000000003 R09: 0000000000000004
[   30.847230][  T313] R10: dffffc0000000000 R11: fffff52000233f58 R12: dffffc0000000000
[   30.855813][  T313] R13: 1ffff110261cb97c R14: ffff888130e5cbe0 R15: 0000000000000000
[   30.864306][  T313] FS:  000055555fdf63c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[   30.873490][  T313] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.880105][  T313] CR2: 00007ffcb8b69acc CR3: 00000001289ba000 CR4: 00000000003526b0
[   30.888184][  T313] Call Trace:
[   30.891498][  T313]  <TASK>
[   30.894469][  T313]  shmem_rmdir+0x5f/0x90
[   30.898887][  T313]  vfs_rmdir+0x3de/0x560
[   30.903191][  T313]  incfs_kill_sb+0x102/0x220
[   30.907818][  T313]  deactivate_locked_super+0xd5/0x270
[   30.913244][  T313]  deactivate_super+0xb8/0xe0
[   30.917968][  T313]  cleanup_mnt+0x438/0x4d0
[   30.922543][  T313]  __cleanup_mnt+0x1d/0x40
[   30.927164][  T313]  task_work_run+0x1e8/0x260
[   30.931853][  T313]  ? __cfi_task_work_run+0x10/0x10
[   30.937607][  T313]  ? path_umount+0x34a/0xf60
[   30.942340][  T313]  ptrace_notify+0x25a/0x290
[   30.946984][  T313]  ? __cfi_ptrace_notify+0x10/0x10
[   30.952189][  T313]  ? putname+0x113/0x150
[   30.956513][  T313]  ? __x64_sys_umount+0x12e/0x180
[   30.961622][  T313]  ? __cfi___x64_sys_umount+0x10/0x10
[   30.967032][  T313]  syscall_exit_work+0x84/0x150
[   30.971967][  T313]  syscall_exit_to_user_mode_prepare+0x21/0x40
[   30.978352][  T313]  syscall_exit_to_user_mode+0x15/0xb0
[   30.983885][  T313]  do_syscall_64+0x63/0xf0
[   30.988333][  T313]  ? clear_bhb_loop+0x50/0xa0
[   30.993077][  T313]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
[   30.999171][  T313] RIP: 0033:0x7f55253c9187
[   31.003883][  T313] Code: bf 41 4d 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 28 09 0b 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 d0 ff ff ff f7 d8 64 89 02 b8
[   31.023839][  T313] RSP: 002b:00007ffcb8b6aba8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[   31.032574][  T313] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f55253c9187
[   31.040864][  T313] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcb8b6ac60
[   31.048937][  T313] RBP: 00007ffcb8b6ac60 R08: 00007ffcb8b6bc60 R09: 00000000ffffffff
[   31.057227][  T313] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcb8b6bd10
[   31.065245][  T313] R13: 000055555fdf7730 R14: 0000000000007680 R15: 00007ffcb8b6bd10
[   31.073723][  T313]  </TASK>
[   31.076929][  T313] ---[ end trace 0000000000000000 ]---
[   31.082739][  T313] ==================================================================
[   31.090908][  T313] BUG: KASAN: null-ptr-deref in ihold+0x24/0x70
[   31.097262][  T313] Write of size 4 at addr 0000000000000168 by task syz-executor166/313
[   31.105492][  T313] 
[   31.107815][  T313] CPU: 1 UID: 0 PID: 313 Comm: syz-executor166 Tainted: G        W          syzkaller #0 200dea8a17c83f35b0a1e1238c384757fc17b797
[   31.107835][  T313] Tainted: [W]=WARN
[   31.107839][  T313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   31.107846][  T313] Call Trace:
[   31.107852][  T313]  <TASK>
[   31.107858][  T313]  __dump_stack+0x21/0x30
[   31.107879][  T313]  dump_stack_lvl+0x140/0x1c0
[   31.107893][  T313]  ? __cfi_dump_stack_lvl+0x10/0x10
[   31.107908][  T313]  print_report+0x3d/0x70
[   31.107922][  T313]  kasan_report+0x162/0x1a0
[   31.107936][  T313]  ? ihold+0x24/0x70
[   31.107948][  T313]  ? ihold+0x24/0x70
[   31.107959][  T313]  kasan_check_range+0x25a/0x2b0
[   31.107972][  T313]  __kasan_check_write+0x18/0x20
[   31.107982][  T313]  ihold+0x24/0x70
[   31.107993][  T313]  vfs_rmdir+0x25c/0x560
[   31.108009][  T313]  incfs_kill_sb+0x102/0x220
[   31.108021][  T313]  deactivate_locked_super+0xd5/0x270
[   31.108037][  T313]  deactivate_super+0xb8/0xe0
[   31.108050][  T313]  cleanup_mnt+0x438/0x4d0
[   31.108063][  T313]  __cleanup_mnt+0x1d/0x40
[   31.108075][  T313]  task_work_run+0x1e8/0x260
[   31.108088][  T313]  ? __cfi_task_work_run+0x10/0x10
[   31.108101][  T313]  ? path_umount+0x34a/0xf60
[   31.108110][  T313]  ptrace_notify+0x25a/0x290
[   31.108123][  T313]  ? __cfi_ptrace_notify+0x10/0x10
[   31.108136][  T313]  ? putname+0x113/0x150
[   31.108147][  T313]  ? __x64_sys_umount+0x12e/0x180
[   31.108156][  T313]  ? __cfi___x64_sys_umount+0x10/0x10
[   31.108165][  T313]  syscall_exit_work+0x84/0x150
[   31.108176][  T313]  syscall_exit_to_user_mode_prepare+0x21/0x40
[   31.108185][  T313]  syscall_exit_to_user_mode+0x15/0xb0
[   31.108203][  T313]  do_syscall_64+0x63/0xf0
[   31.108214][  T313]  ? clear_bhb_loop+0x50/0xa0
[   31.108229][  T313]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
[   31.108242][  T313] RIP: 0033:0x7f55253c9187
[   31.108253][  T313] Code: bf 41 4d 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 28 09 0b 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 d0 ff ff ff f7 d8 64 89 02 b8
[   31.108261][  T313] RSP: 002b:00007ffcb8b6aba8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[   31.108274][  T313] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f55253c9187
[   31.108281][  T313] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcb8b6ac60
[   31.108287][  T313] RBP: 00007ffcb8b6ac60 R08: 00007ffcb8b6bc60 R09: 00000000ffffffff
[   31.108294][  T313] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcb8b6bd10
[   31.108301][  T313] R13: 000055555fdf7730 R14: 0000000000007680 R15: 00007ffcb8b6bd10
[   31.108309][  T313]  </TASK>
[   31.108313][  T313] ==================================================================
[   31.369105][  T313] Disabling lock debugging due to kernel taint
[   31.376376][  T313] BUG: kernel NULL pointer dereference, address: 0000000000000168
[   31.384459][  T313] #PF: supervisor write access in kernel mode
[   31.390763][  T313] #PF: error_code(0x0002) - not-present page
[   31.396929][  T313] PGD 0 P4D 0 
[   31.400297][  T313] Oops: Oops: 0002 [#1] PREEMPT SMP KASAN PTI
[   31.406426][  T313] CPU: 0 UID: 0 PID: 313 Comm: syz-executor166 Tainted: G    B   W          syzkaller #0 200dea8a17c83f35b0a1e1238c384757fc17b797
[   31.420059][  T313] Tainted: [B]=BAD_PAGE, [W]=WARN
[   31.425390][  T313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[   31.436473][  T313] RIP: 0010:ihold+0x2a/0x70
[   31.441012][  T313] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 2d 45 95 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 0c 0b ee ff 41 be 01 00 00 00 <f0> 44 0f c1 b3 68 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 3d
[   31.460615][  T313] RSP: 0018:ffffc9000119fb88 EFLAGS: 00010246
[   31.466778][  T313] RAX: ffff888122fa8000 RBX: 0000000000000000 RCX: ffff888122fa8000
[   31.475211][  T313] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   31.483275][  T313] RBP: ffffc9000119fb98 R08: ffffffff88bb3947 R09: 1ffffffff1176728
[   31.491397][  T313] R10: dffffc0000000000 R11: fffffbfff1176729 R12: 0000000000000000
[   31.499709][  T313] R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000000
[   31.507667][  T313] FS:  000055555fdf63c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[   31.516755][  T313] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.523735][  T313] CR2: 0000000000000168 CR3: 00000001289ba000 CR4: 00000000003526b0
[   31.531912][  T313] Call Trace:
[   31.535297][  T313]  <TASK>
[   31.538223][  T313]  vfs_rmdir+0x25c/0x560
[   31.542504][  T313]  incfs_kill_sb+0x102/0x220
[   31.547077][  T313]  deactivate_locked_super+0xd5/0x270
[   31.552522][  T313]  deactivate_super+0xb8/0xe0
[   31.557213][  T313]  cleanup_mnt+0x438/0x4d0
[   31.561648][  T313]  __cleanup_mnt+0x1d/0x40
[   31.566085][  T313]  task_work_run+0x1e8/0x260
[   31.570787][  T313]  ? __cfi_task_work_run+0x10/0x10
[   31.575901][  T313]  ? path_umount+0x34a/0xf60
[   31.580852][  T313]  ptrace_notify+0x25a/0x290
[   31.585452][  T313]  ? __cfi_ptrace_notify+0x10/0x10
[   31.590686][  T313]  ? putname+0x113/0x150
[   31.594930][  T313]  ? __x64_sys_umount+0x12e/0x180
[   31.600016][  T313]  ? __cfi___x64_sys_umount+0x10/0x10
[   31.605419][  T313]  syscall_exit_work+0x84/0x150
[   31.610383][  T313]  syscall_exit_to_user_mode_prepare+0x21/0x40
[   31.616632][  T313]  syscall_exit_to_user_mode+0x15/0xb0
[   31.622124][  T313]  do_syscall_64+0x63/0xf0
[   31.626553][  T313]  ? clear_bhb_loop+0x50/0xa0
[   31.631238][  T313]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
[   31.637369][  T313] RIP: 0033:0x7f55253c9187
[   31.642500][  T313] Code: bf 41 4d 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 28 09 0b 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 d0 ff ff ff f7 d8 64 89 02 b8
[   31.662190][  T313] RSP: 002b:00007ffcb8b6aba8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
[   31.670943][  T313] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f55253c9187
[   31.679003][  T313] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcb8b6ac60
[   31.686996][  T313] RBP: 00007ffcb8b6ac60 R08: 00007ffcb8b6bc60 R09: 00000000ffffffff
[   31.695080][  T313] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcb8b6bd10
[   31.703142][  T313] R13: 000055555fdf7730 R14: 0000000000007680 R15: 00007ffcb8b6bd10
[   31.711136][  T313]  </TASK>
[   31.714227][  T313] Modules linked in:
[   31.718165][  T313] CR2: 0000000000000168
[   31.722348][  T313] ---[ end trace 0000000000000000 ]---
[   31.728143][  T313] RIP: 0010:ihold+0x2a/0x70
[   31.732658][  T313] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 2d 45 95 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 0c 0b ee ff 41 be 01 00 00 00 <f0> 44 0f c1 b3 68 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 3d
[   31.752331][  T313] RSP: 0018:ffffc9000119fb88 EFLAGS: 00010246
[   31.758471][  T313] RAX: ffff888122fa8000 RBX: 0000000000000000 RCX: ffff888122fa8000
[   31.766425][  T313] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   31.774494][  T313] RBP: ffffc9000119fb98 R08: ffffffff88bb3947 R09: 1ffffffff1176728
[   31.782517][  T313] R10: dffffc0000000000 R11: fffffbfff1176729 R12: 0000000000000000
[   31.790503][  T313] R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000000
[   31.798579][  T313] FS:  000055555fdf63c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
[   31.807583][  T313] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.814245][  T313] CR2: 0000000000000168 CR3: 00000001289ba000 CR4: 00000000003526b0
[   31.822238][  T313] Kernel panic - not syncing: Fatal exception
[   31.828636][  T313] Kernel Offset: disabled
[   31.832960][  T313] Rebooting in 86400 seconds..