ci2-android-6-12-rust/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-6-12-rust/syz-executor1635723570

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syzkaller
syzkaller login: [   15.496647][   T36] kauditd_printk_skb: 31 callbacks suppressed
[   15.496666][   T36] audit: type=1400 audit(1793409125.320:59): avc:  denied  { transition } for  pid=232 comm="sshd-session" path="/bin/sh" dev="sda1" ino=90 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   15.501392][   T36] audit: type=1400 audit(1793409125.320:60): avc:  denied  { noatsecure } for  pid=232 comm="sshd-session" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   15.505656][   T36] audit: type=1400 audit(1793409125.330:61): avc:  denied  { write } for  pid=232 comm="sh" path="pipe:[2929]" dev="pipefs" ino=2929 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1
[   15.510127][   T36] audit: type=1400 audit(1793409125.330:62): avc:  denied  { rlimitinh } for  pid=232 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   15.513333][   T36] audit: type=1400 audit(1793409125.330:63): avc:  denied  { siginh } for  pid=232 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
Warning: Permanently added '10.128.1.76' (ED25519) to the list of known hosts.
execve("ci2-android-6-12-rust/syz-executor1635723570", ["ci2-android-6-12-rust/syz-executor1635723570"], 0x7ffe68b735b0 /* 10 vars */) = 0
brk(NULL)                               = 0x555584332000
brk(0x555584332d40)                     = 0x555584332d40
arch_prctl(ARCH_SET_FS, 0x5555843323c0) = 0
set_tid_address(0x555584332690)         = 312
set_robust_list(0x5555843326a0, 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-executor1635723570", 4096) = 50
getrandom("\x83\xb0\x87\x8c\xac\xdf\xc6\x26", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555584332d40
brk(0x555584353d40)                     = 0x555584353d40
brk(0x555584354000)                     = 0x555584354000
mprotect(0x7f32ba179000, 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("\x06\xc6\x99\x70\xf1\x24\xcd\x45", 8, GRND_NONBLOCK) = 8
mkdir("./syzkaller.s4reG8", 0700)       = 0
chmod("./syzkaller.s4reG8", 0777)       = 0
chdir("./syzkaller.s4reG8")             = 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=0x555584332690) = 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(0x5555843326a0, 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
[   25.624278][   T36] audit: type=1400 audit(1793409135.450:64): avc:  denied  { execmem } for  pid=312 comm="syz-executor163" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   25.644809][   T36] audit: type=1400 audit(1793409135.470:65): avc:  denied  { mounton } for  pid=313 comm="syz-executor163" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[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
[pid   313] umount2("./pivot", MNT_DETACH) = 0
[pid   313] chroot("./newroot")         = 0
[   25.681905][   T36] audit: type=1400 audit(1793409135.510:66): avc:  denied  { mounton } for  pid=313 comm="syz-executor163" path="/root/syzkaller.s4reG8/syz-tmp" dev="sda1" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   25.707644][   T36] audit: type=1400 audit(1793409135.510:67): avc:  denied  { mount } for  pid=313 comm="syz-executor163" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[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, "stats=global") = 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=0x555584332690) = 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(0x5555843326a0, 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] mkdir("./bus", 0245)        = 0
[   25.730146][   T36] audit: type=1400 audit(1793409135.510:68): avc:  denied  { mounton } for  pid=313 comm="syz-executor163" path="/root/syzkaller.s4reG8/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
[   25.756484][   T36] audit: type=1400 audit(1793409135.520:69): avc:  denied  { mount } for  pid=313 comm="syz-executor163" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[pid   314] mount(".", "./bus", "incremental-fs", MS_NOSUID|MS_REC|MS_STRICTATIME, NULL) = 0
[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   314] close(17)                   = -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   314] exit_group(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=3 /* 0.03 s */} ---
[   25.768114][  T314] incfs: ino conflict with backing FS 9
[   25.780949][   T36] audit: type=1400 audit(1793409135.530:70): avc:  denied  { mounton } for  pid=313 comm="syz-executor163" path="/root/syzkaller.s4reG8/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   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, 0x555584333760 /* 6 entries */, 32768) = 168
[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, 0x55558433b7a0 /* 2 entries */, 32768) = 48
[pid   313] getdents64(4, 0x55558433b7a0 /* 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, 0x55558433b7a0 /* 2 entries */, 32768) = 48
[pid   313] getdents64(4, 0x55558433b7a0 /* 0 entries */, 32768) = 0
[pid   313] close(4)                    = 0
[pid   313] rmdir("./0/.index")         = 0
[   25.812278][   T36] audit: type=1400 audit(1793409135.530:71): avc:  denied  { mounton } for  pid=313 comm="syz-executor163" path="/root/syzkaller.s4reG8/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=3123 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   25.840257][   T36] audit: type=1400 audit(1793409135.530:72): avc:  denied  { unmount } for  pid=313 comm="syz-executor163" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   25.860247][  T313] ------------[ cut here ]------------
[   25.861576][   T36] audit: type=1400 audit(1793409135.560:73): avc:  denied  { mounton } for  pid=313 comm="syz-executor163" path="/dev/gadgetfs" dev="devtmpfs" ino=434 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[   25.865843][  T313] WARNING: CPU: 0 PID: 313 at fs/inode.c:340 drop_nlink+0xce/0x110
[   25.896619][  T313] Modules linked in:
[   25.900628][  T313] CPU: 0 UID: 0 PID: 313 Comm: syz-executor163 Not tainted syzkaller #0 04b5f10b80d13b0533bf6aaa302b886c75cf6d37
[   25.912596][  T313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
[   25.922762][  T313] RIP: 0010:drop_nlink+0xce/0x110
[   25.927859][  T313] Code: 04 00 00 be 08 00 00 00 e8 8f 08 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 a2 72 94 ff <0f> 0b eb 81 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 59 ff ff ff 4c
[   25.947741][  T313] RSP: 0000:ffffc9000122fb48 EFLAGS: 00010293
[   25.954027][  T313] RAX: ffffffff81f4e32e RBX: ffff888108b0e5a0 RCX: ffff888106f293c0
[   25.962280][  T313] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   25.970337][  T313] RBP: ffffc9000122fb70 R08: 0000000000000003 R09: 0000000000000004
[   25.978415][  T313] R10: dffffc0000000000 R11: fffff52000245f58 R12: dffffc0000000000
[   25.986425][  T313] R13: 1ffff11021161cbd R14: ffff888108b0e5e8 R15: 0000000000000000
[   25.994694][  T313] FS:  00005555843323c0(0000) GS:ffff8881f6c00000(0000) knlGS:0000000000000000
[   26.003853][  T313] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.010634][  T313] CR2: 00005555843437a8 CR3: 0000000108332000 CR4: 00000000003526b0
[   26.019098][  T313] Call Trace:
[   26.022416][  T313]  <TASK>
[   26.025357][  T313]  shmem_rmdir+0x5f/0x90
[   26.029687][  T313]  vfs_rmdir+0x3de/0x560
[   26.033997][  T313]  incfs_kill_sb+0x102/0x220
[   26.038665][  T313]  deactivate_locked_super+0xd5/0x270
[   26.044074][  T313]  deactivate_super+0xb8/0xe0
[   26.048824][  T313]  cleanup_mnt+0x438/0x4d0
[   26.053382][  T313]  __cleanup_mnt+0x1d/0x40
[   26.057822][  T313]  task_work_run+0x1e8/0x260
[   26.062500][  T313]  ? __cfi_task_work_run+0x10/0x10
[   26.067673][  T313]  ? path_umount+0x34a/0xf60
[   26.072334][  T313]  ptrace_notify+0x25a/0x290
[   26.077016][  T313]  ? __cfi_ptrace_notify+0x10/0x10
[   26.082583][  T313]  ? putname+0x113/0x150
[   26.086971][  T313]  ? __x64_sys_umount+0x12e/0x180
[   26.092077][  T313]  ? __cfi___x64_sys_umount+0x10/0x10
[   26.097660][  T313]  syscall_exit_work+0x84/0x150
[   26.102713][  T313]  syscall_exit_to_user_mode_prepare+0x21/0x40
[   26.109114][  T313]  syscall_exit_to_user_mode+0x15/0xb0
[   26.114618][  T313]  do_syscall_64+0x63/0xf0
[   26.119219][  T313]  ? clear_bhb_loop+0x50/0xa0
[   26.124465][  T313]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
[   26.130628][  T313] RIP: 0033:0x7f32ba0e6527
[   26.135091][  T313] 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
[   26.155064][  T313] RSP: 002b:00007ffee31fa6b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   26.163819][  T313] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f32ba0e6527
[   26.171919][  T313] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffee31fa770
[   26.179973][  T313] RBP: 00007ffee31fa770 R08: 00007ffee31fb770 R09: 00000000ffffffff
[   26.188032][  T313] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffee31fb7e0
[   26.196027][  T313] R13: 0000555584333730 R14: 00007ffee31fb7e0 R15: 0000000000000001
[   26.204081][  T313]  </TASK>
[   26.207123][  T313] ---[ end trace 0000000000000000 ]---
[   26.212853][  T313] ==================================================================
[   26.220937][  T313] BUG: KASAN: null-ptr-deref in ihold+0x24/0x70
[   26.227190][  T313] Write of size 4 at addr 0000000000000168 by task syz-executor163/313
[   26.235435][  T313] 
[   26.237769][  T313] CPU: 0 UID: 0 PID: 313 Comm: syz-executor163 Tainted: G        W          syzkaller #0 04b5f10b80d13b0533bf6aaa302b886c75cf6d37
[   26.237794][  T313] Tainted: [W]=WARN
[   26.237799][  T313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
[   26.237809][  T313] Call Trace:
[   26.237816][  T313]  <TASK>
[   26.237823][  T313]  __dump_stack+0x21/0x30
[   26.237850][  T313]  dump_stack_lvl+0x140/0x1c0
[   26.237873][  T313]  ? __cfi_dump_stack_lvl+0x10/0x10
[   26.237898][  T313]  print_report+0x3d/0x70
[   26.237921][  T313]  kasan_report+0x162/0x1a0
[   26.237937][  T313]  ? ihold+0x24/0x70
[   26.237952][  T313]  ? ihold+0x24/0x70
[   26.237965][  T313]  kasan_check_range+0x25a/0x2b0
[   26.237982][  T313]  __kasan_check_write+0x18/0x20
[   26.238002][  T313]  ihold+0x24/0x70
[   26.238016][  T313]  vfs_rmdir+0x25c/0x560
[   26.238034][  T313]  incfs_kill_sb+0x102/0x220
[   26.238057][  T313]  deactivate_locked_super+0xd5/0x270
[   26.238077][  T313]  deactivate_super+0xb8/0xe0
[   26.238094][  T313]  cleanup_mnt+0x438/0x4d0
[   26.238109][  T313]  __cleanup_mnt+0x1d/0x40
[   26.238123][  T313]  task_work_run+0x1e8/0x260
[   26.238145][  T313]  ? __cfi_task_work_run+0x10/0x10
[   26.238167][  T313]  ? path_umount+0x34a/0xf60
[   26.238187][  T313]  ptrace_notify+0x25a/0x290
[   26.238210][  T313]  ? __cfi_ptrace_notify+0x10/0x10
[   26.238233][  T313]  ? putname+0x113/0x150
[   26.238256][  T313]  ? __x64_sys_umount+0x12e/0x180
[   26.238275][  T313]  ? __cfi___x64_sys_umount+0x10/0x10
[   26.238296][  T313]  syscall_exit_work+0x84/0x150
[   26.238315][  T313]  syscall_exit_to_user_mode_prepare+0x21/0x40
[   26.238335][  T313]  syscall_exit_to_user_mode+0x15/0xb0
[   26.238360][  T313]  do_syscall_64+0x63/0xf0
[   26.238376][  T313]  ? clear_bhb_loop+0x50/0xa0
[   26.238398][  T313]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
[   26.238420][  T313] RIP: 0033:0x7f32ba0e6527
[   26.238434][  T313] 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
[   26.238447][  T313] RSP: 002b:00007ffee31fa6b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   26.238463][  T313] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f32ba0e6527
[   26.238473][  T313] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffee31fa770
[   26.238483][  T313] RBP: 00007ffee31fa770 R08: 00007ffee31fb770 R09: 00000000ffffffff
[   26.238495][  T313] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffee31fb7e0
[   26.238505][  T313] R13: 0000555584333730 R14: 00007ffee31fb7e0 R15: 0000000000000001
[   26.238518][  T313]  </TASK>
[   26.238524][  T313] ==================================================================
[   26.497287][  T313] Disabling lock debugging due to kernel taint
[   26.503801][  T313] BUG: kernel NULL pointer dereference, address: 0000000000000168
[   26.511627][  T313] #PF: supervisor write access in kernel mode
[   26.517703][  T313] #PF: error_code(0x0002) - not-present page
[   26.523692][  T313] PGD 0 P4D 0 
[   26.527073][  T313] Oops: Oops: 0002 [#1] PREEMPT SMP KASAN PTI
[   26.533143][  T313] CPU: 0 UID: 0 PID: 313 Comm: syz-executor163 Tainted: G    B   W          syzkaller #0 04b5f10b80d13b0533bf6aaa302b886c75cf6d37
[   26.546705][  T313] Tainted: [B]=BAD_PAGE, [W]=WARN
[   26.551780][  T313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
[   26.561856][  T313] RIP: 0010:ihold+0x2a/0x70
[   26.566377][  T313] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 8d 69 94 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 4c ff ed 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 9d
[   26.586197][  T313] RSP: 0000:ffffc9000122fb88 EFLAGS: 00010246
[   26.592282][  T313] RAX: ffff888106f29300 RBX: 0000000000000000 RCX: ffff888106f293c0
[   26.600258][  T313] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   26.608323][  T313] RBP: ffffc9000122fb98 R08: ffffffff893cf947 R09: 1ffffffff1279f28
[   26.616303][  T313] R10: dffffc0000000000 R11: fffffbfff1279f29 R12: 0000000000000000
[   26.624283][  T313] R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000000
[   26.632255][  T313] FS:  00005555843323c0(0000) GS:ffff8881f6c00000(0000) knlGS:0000000000000000
[   26.641185][  T313] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.647779][  T313] CR2: 0000000000000168 CR3: 0000000108332000 CR4: 00000000003526b0
[   26.656387][  T313] Call Trace:
[   26.659687][  T313]  <TASK>
[   26.662640][  T313]  vfs_rmdir+0x25c/0x560
[   26.666934][  T313]  incfs_kill_sb+0x102/0x220
[   26.671551][  T313]  deactivate_locked_super+0xd5/0x270
[   26.676938][  T313]  deactivate_super+0xb8/0xe0
[   26.681622][  T313]  cleanup_mnt+0x438/0x4d0
[   26.686045][  T313]  __cleanup_mnt+0x1d/0x40
[   26.690468][  T313]  task_work_run+0x1e8/0x260
[   26.695082][  T313]  ? __cfi_task_work_run+0x10/0x10
[   26.700472][  T313]  ? path_umount+0x34a/0xf60
[   26.705261][  T313]  ptrace_notify+0x25a/0x290
[   26.709867][  T313]  ? __cfi_ptrace_notify+0x10/0x10
[   26.715002][  T313]  ? putname+0x113/0x150
[   26.719272][  T313]  ? __x64_sys_umount+0x12e/0x180
[   26.724389][  T313]  ? __cfi___x64_sys_umount+0x10/0x10
[   26.729777][  T313]  syscall_exit_work+0x84/0x150
[   26.734644][  T313]  syscall_exit_to_user_mode_prepare+0x21/0x40
[   26.740811][  T313]  syscall_exit_to_user_mode+0x15/0xb0
[   26.746286][  T313]  do_syscall_64+0x63/0xf0
[   26.750702][  T313]  ? clear_bhb_loop+0x50/0xa0
[   26.755415][  T313]  entry_SYSCALL_64_after_hwframe+0x76/0x7e
[   26.761313][  T313] RIP: 0033:0x7f32ba0e6527
[   26.765755][  T313] 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
[   26.785378][  T313] RSP: 002b:00007ffee31fa6b8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   26.793810][  T313] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f32ba0e6527
[   26.801786][  T313] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffee31fa770
[   26.809768][  T313] RBP: 00007ffee31fa770 R08: 00007ffee31fb770 R09: 00000000ffffffff
[   26.817742][  T313] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffee31fb7e0
[   26.825722][  T313] R13: 0000555584333730 R14: 00007ffee31fb7e0 R15: 0000000000000001
[   26.833785][  T313]  </TASK>
[   26.836810][  T313] Modules linked in:
[   26.840727][  T313] CR2: 0000000000000168
[   26.844885][  T313] ---[ end trace 0000000000000000 ]---
[   26.850344][  T313] RIP: 0010:ihold+0x2a/0x70
[   26.854867][  T313] Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 8d 69 94 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 4c ff ed 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 9d
[   26.874473][  T313] RSP: 0000:ffffc9000122fb88 EFLAGS: 00010246
[   26.880550][  T313] RAX: ffff888106f29300 RBX: 0000000000000000 RCX: ffff888106f293c0
[   26.888525][  T313] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   26.896494][  T313] RBP: ffffc9000122fb98 R08: ffffffff893cf947 R09: 1ffffffff1279f28
[   26.904475][  T313] R10: dffffc0000000000 R11: fffffbfff1279f29 R12: 0000000000000000
[   26.912459][  T313] R13: 0000000000000000 R14: 0000000000000001 R15: dffffc0000000000
[   26.920443][  T313] FS:  00005555843323c0(0000) GS:ffff8881f6c00000(0000) knlGS:0000000000000000
[   26.929391][  T313] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.935996][  T313] CR2: 0000000000000168 CR3: 0000000108332000 CR4: 00000000003526b0
[   26.944150][  T313] Kernel panic - not syncing: Fatal exception
[   26.950845][  T313] Kernel Offset: disabled
[   26.955173][  T313] Rebooting in 86400 seconds..