ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci-upstream-linux-next-kasan-gce-root/syz-executor680731314

<...>
Warning: Permanently added '10.128.1.120' (ED25519) to the list of known hosts.
execve("ci-upstream-linux-next-kasan-gce-root/syz-executor680731314", ["ci-upstream-linux-next-kasan-gce-root/syz-executor680731314"], 0x7ffe02f8c7d0 /* 10 vars */) = 0
brk(NULL)                               = 0x5555836a2000
brk(0x5555836a2d80)                     = 0x5555836a2d80
arch_prctl(ARCH_SET_FS, 0x5555836a2400) = 0
set_tid_address(0x5555836a26d0)         = 5655
set_robust_list(0x5555836a26e0, 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}, 33, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci-upstream-linux-next-kasan-gce-root/syz-executor680731314", 4096) = 65
getrandom("\x2a\x60\xfb\x22\xb8\xf1\x6f\x70", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x5555836a2d80
brk(0x5555836c3d80)                     = 0x5555836c3d80
brk(0x5555836c4000)                     = 0x5555836c4000
mprotect(0x7f53dc48e000, 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
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
rt_sigprocmask(SIG_BLOCK, ~[], [], 8)   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5657 attached
, child_tidptr=0x5555836a26d0) = 5657
[pid  5655] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5657] set_robust_list(0x5555836a26e0, 24 <unfinished ...>
[pid  5655] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5657] <... set_robust_list resumed>) = 0
[pid  5657] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5657] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5657] setpgid(0, 0)               = 0
[pid  5657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5657] write(3, "1000", 4)         = 4
[pid  5657] close(3)                    = 0
[pid  5657] write(1, "executing program\n", 18) = 18
[pid  5657] futex(0x7f53dc494e6c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5657] rt_sigaction(SIGRT_1, {sa_handler=0x7f53dc4007d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f53dc3f2ae0}, NULL, 8) = 0
[pid  5657] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5657] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53dc39a000
executing program
[pid  5657] mprotect(0x7f53dc39b000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5657] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5657] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53dc3ba990, parent_tid=0x7f53dc3ba990, exit_signal=0, stack=0x7f53dc39a000, stack_size=0x202c0, tls=0x7f53dc3ba6c0} => {parent_tid=[5658]}, 88) = 5658
[pid  5657] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5657] futex(0x7f53dc494e68, FUTEX_WAKE_PRIVATE, 1000000ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5658 attached
) = 0
[pid  5658] 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}, 33, 0, 0x53053053 <unfinished ...>
[pid  5657] futex(0x7f53dc494e6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=4, tv_nsec=50000000} <unfinished ...>
[pid  5658] <... rseq resumed>)         = 0
[pid  5658] set_robust_list(0x7f53dc3ba9a0, 24) = 0
[pid  5658] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5658] memfd_create("syzkaller", 0) = 3
[pid  5658] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f53d3e00000
[pid  5658] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 65536) = 65536
[pid  5658] munmap(0x7f53d3e00000, 138412032) = 0
[pid  5658] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5658] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5658] close(3)                    = 0
[pid  5658] close(4)                    = 0
[pid  5658] mkdir("./file1", 0777)      = 0
[pid  5658] mount("/dev/loop0", "./file1", "udf", 0, "") = 0
[pid  5658] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  5658] chdir("./file1")            = 0
[pid  5658] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5658] futex(0x7f53dc494e6c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5657] <... futex resumed>)        = 0
[pid  5658] futex(0x7f53dc494e68, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5657] futex(0x7f53dc494e68, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5658] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5658] socket(AF_INET, SOCK_STREAM, IPPROTO_MPTCP <unfinished ...>
[pid  5657] <... futex resumed>)        = 0
[pid  5658] <... socket resumed>)       = 4
[pid  5657] futex(0x7f53dc494e6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5658] futex(0x7f53dc494e6c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5658] futex(0x7f53dc494e68, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5657] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5657] futex(0x7f53dc494e68, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5658] <... futex resumed>)        = 0
[pid  5657] <... futex resumed>)        = 1
[pid  5658] openat(AT_FDCWD, "/dev/fuse", O_RDWR <unfinished ...>
[pid  5657] futex(0x7f53dc494e6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5658] <... openat resumed>)       = 5
[pid  5658] futex(0x7f53dc494e6c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5657] <... futex resumed>)        = 0
[pid  5658] futex(0x7f53dc494e68, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5657] futex(0x7f53dc494e68, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5658] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5657] <... futex resumed>)        = 0
[pid  5658] mount(NULL, "./file1", "fuse", MS_NOSUID, "fd=0x0000000000000005,rootmode=00000000000000000100000,user_id=00000000000000000000,group_id=0000000"... <unfinished ...>
[  140.033386][ T5658] loop0: detected capacity change from 0 to 128
[  140.062752][ T5658] UDF-fs: error (device loop0): udf_read_tagged: read failed, block=256, location=256
[  140.069793][ T5658] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000)
[pid  5657] futex(0x7f53dc494e6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5658] <... mount resumed>)        = 0
[pid  5658] futex(0x7f53dc494e6c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5657] <... futex resumed>)        = 0
[pid  5658] futex(0x7f53dc494e68, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5657] futex(0x7f53dc494e68, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5658] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5657] <... futex resumed>)        = 0
[pid  5658] read(5 <unfinished ...>
[pid  5657] futex(0x7f53dc494e6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5658] <... read resumed>, "\x68\x00\x00\x00\x1a\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x1a\x16\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00\x2e\x00\x00\x00\x00\x00\x02\x00\xfb\xff\xff\x73\xdf\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 8224) = 104
[pid  5658] futex(0x7f53dc494e6c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5657] <... futex resumed>)        = 0
[pid  5658] open("./file1", O_RDONLY <unfinished ...>
[pid  5657] futex(0x7f53dc494e68, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5657] futex(0x7f53dc494e6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  5657] futex(0x7f53dc494e6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid  5657] futex(0x7f53dc494e7c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5657] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f53dc379000
[pid  5657] mprotect(0x7f53dc37a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5657] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5657] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f53dc399990, parent_tid=0x7f53dc399990, exit_signal=0, stack=0x7f53dc379000, stack_size=0x202c0, tls=0x7f53dc3996c0}ci-upstream-linux-next-kasan-gce-root/strace-static-x86_64: Process 5659 attached
 <unfinished ...>
[pid  5659] 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}, 33, 0, 0x53053053) = 0
[pid  5659] set_robust_list(0x7f53dc3999a0, 24 <unfinished ...>
[pid  5657] <... clone3 resumed> => {parent_tid=[5659]}, 88) = 5659
[pid  5659] <... set_robust_list resumed>) = 0
[pid  5657] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5659] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5657] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5659] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5657] futex(0x7f53dc494e78, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5659] write(5, "\x50\x00\x00\x00\xf5\xff\xff\xff\x02\x00\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00\x09\x00\x00\x00\x40\x00\x00\x00\x03\x80\x00\x31\xfe\xff\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 80 <unfinished ...>
[pid  5657] <... futex resumed>)        = 0
[pid  5659] <... write resumed>)        = -1 EINVAL (Invalid argument)
[pid  5657] futex(0x7f53dc494e7c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5659] futex(0x7f53dc494e7c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5657] <... futex resumed>)        = 0
[pid  5659] <... futex resumed>)        = 1
[pid  5657] futex(0x7f53dc494e78, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5659] read(5 <unfinished ...>
[pid  5657] <... futex resumed>)        = 0
[pid  5659] <... read resumed>, "\x30\x00\x00\x00\x0e\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x1a\x16\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00", 8224) = 48
[pid  5657] futex(0x7f53dc494e7c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5659] futex(0x7f53dc494e7c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5657] <... futex resumed>)        = 0
[pid  5659] write(5, "\x10\x00\x00\x00\xda\xff\xff\xff\x04\x00\x00\x00\x00\x00\x00\x00", 16 <unfinished ...>
[pid  5657] futex(0x7f53dc494e78, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5659] <... write resumed>)        = 16
[pid  5657] <... futex resumed>)        = 0
[pid  5657] futex(0x7f53dc494e7c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5659] futex(0x7f53dc494e7c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5658] <... open resumed>)         = 6
[pid  5657] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5659] <... futex resumed>)        = 0
[pid  5659] futex(0x7f53dc494e78, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5658] futex(0x7f53dc494e6c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5658] futex(0x7f53dc494e68, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5657] futex(0x7f53dc494e68, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5658] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5657] <... futex resumed>)        = 0
[pid  5658] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_NOCTTY|O_LARGEFILE|O_CLOEXEC|FASYNC, 0131 <unfinished ...>
[pid  5657] futex(0x7f53dc494e6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5658] <... openat resumed>)       = 7
[pid  5658] futex(0x7f53dc494e6c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5657] <... futex resumed>)        = 0
[pid  5658] futex(0x7f53dc494e68, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5657] futex(0x7f53dc494e68, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5658] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5657] <... futex resumed>)        = 0
[pid  5658] pwrite64(7, "\x00", 1, 58157 <unfinished ...>
[  140.233381][   T31] audit: type=1804 audit(1788082788.849:2): pid=5658 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=invalid_pcr cause=ToMToU comm="syz-executor680" name="/root/file1/file1" dev="fuse" ino=1 res=1 errno=0
[pid  5657] futex(0x7f53dc494e6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  5657] futex(0x7f53dc494e78, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5659] <... futex resumed>)        = 0
[pid  5657] <... futex resumed>)        = 1
[pid  5659] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NONBLOCK|O_DIRECT|O_NOATIME|O_CLOEXEC, 0777 <unfinished ...>
[pid  5657] futex(0x7f53dc494e7c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  5657] exit_group(0)               = ?
[pid  5655] kill(-5657, SIGKILL)        = 0
[pid  5655] kill(5657, SIGKILL)         = 0
[pid  5655] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5655] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid  5655] getdents64(3, 0x5555836a37b0 /* 3 entries */, 32768) = 72
[pid  5655] openat(AT_FDCWD, "/sys/fs/fuse/connections/38/abort", O_WRONLY) = 4
[pid  5655] write(4, "/", 1)            = 1
[pid  5655] close(4)                    = 0
[pid  5655] getdents64(3, 0x5555836a37b0 /* 0 entries */, 32768) = 0
[pid  5655] close(3)                    = 0
[  286.412270][   T32] INFO: task syz-executor680:5659 blocked for more than 143 seconds.
** replaying previous printk message **
[  286.412270][   T32] INFO: task syz-executor680:5659 blocked for more than 143 seconds.
[  286.412334][   T32]       Not tainted syzkaller #0
[  286.412367][   T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  286.412377][   T32] task:syz-executor680 state:D stack:25480 pid:5659  tgid:5657  ppid:5655   task_flags:0x400040 flags:0x00080002
[  286.412647][   T32] Call Trace:
[  286.412672][   T32]  <TASK>
[  286.412704][   T32]  __schedule+0x17db/0x58f0
[  286.412904][   T32]  ? __pfx___schedule+0x10/0x10
[  286.413001][   T32]  ? schedule+0x90/0x2b0
[  286.413085][   T32]  schedule+0x164/0x2b0
[  286.413163][   T32]  schedule_preempt_disabled+0x13/0x30
[  286.413239][   T32]  rwsem_down_write_slowpath+0x87d/0x1080
[  286.413316][   T32]  ? rwsem_down_write_slowpath+0x498/0x1080
[  286.413402][   T32]  ? __pfx_rwsem_down_write_slowpath+0x10/0x10
[  286.413536][   T32]  down_write+0x1bc/0x200
[  286.413594][   T32]  ? __pfx_down_write+0x10/0x10
[  286.413644][   T32]  ? ima_get_action+0x75/0xb0
[  286.413740][   T32]  process_measurement+0x443/0x1c10
[  286.413810][   T32]  ? __raw_spin_lock_init+0x45/0x100
[  286.413905][   T32]  ? do_raw_spin_lock+0x12b/0x2f0
[  286.413996][   T32]  ? __pfx_process_measurement+0x10/0x10
[  286.414072][   T32]  ? do_raw_spin_unlock+0xf5/0x200
[  286.414197][   T32]  ? apparmor_file_open+0x523/0x6c0
[  286.414281][   T32]  ? fuse_file_io_open+0x15a/0x270
[  286.414362][   T32]  ? fuse_finish_open+0x1e1/0x3f0
[  286.414442][   T32]  ? mnt_get_write_access+0x66/0x280
[  286.414510][   T32]  ima_file_check+0xe1/0x130
[  286.414576][   T32]  ? __pfx_ima_file_check+0x10/0x10
[  286.414665][   T32]  security_file_post_open+0xb3/0x260
[  286.414753][   T32]  path_openat+0x1485/0x1d60
[  286.414850][   T32]  do_file_open+0x23e/0x4a0
[  286.414909][   T32]  ? __pfx_do_file_open+0x10/0x10
[  286.415035][   T32]  ? _raw_spin_unlock+0x28/0x50
[  286.415105][   T32]  ? alloc_fd+0x651/0x6c0
[  286.415192][   T32]  do_sys_openat2+0x115/0x200
[  286.415266][   T32]  ? _raw_spin_unlock_irq+0x2e/0x50
[  286.415365][   T32]  ? __pfx_do_sys_openat2+0x10/0x10
[  286.415493][   T32]  __x64_sys_openat+0x138/0x170
[  286.415578][   T32]  do_syscall_64+0x166/0x520
[  286.415626][   T32]  ? trace_irq_disable+0x3b/0x140
[  286.415688][   T32]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  286.415741][   T32]  ? clear_bhb_loop+0x70/0xc0
[  286.415798][   T32]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  286.415845][   T32] RIP: 0033:0x7f53dc3ed909
[  286.415891][   T32] RSP: 002b:00007f53dc3991d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[  286.415922][   T32] RAX: ffffffffffffffda RBX: 00007f53dc494e78 RCX: 00007f53dc3ed909
[  286.415960][   T32] RDX: 00000000000c4842 RSI: 0000200000000300 RDI: 00000000ffffff9c
[  286.415995][   T32] RBP: 00007f53dc494e70 R08: 35203a6b63617473 R09: 35203a6b63617473
[  286.416033][   T32] R10: 00000000000001ff R11: 0000000000000246 R12: 00007f53dc465890
[  286.416061][   T32] R13: 0031656c69662f2e R14: 00007ffebc434f20 R15: 0000200000000300
[  286.416133][   T32]  </TASK>
[  286.416167][   T32] 
[  286.416167][   T32] Showing all locks held in the system:
[  286.416187][   T32] locks held by pr/ttyS0/16: 2, last CPU#1:
[  286.416212][   T32]  #0: ffffffff8ec36338 (console_srcu){....}-{0:0}, at: console_srcu_read_lock+0x30/0x60
[  286.416367][   T32]  #1: ffffffff9ad350d8 (&port_lock_key){-.-.}-{3:3}, at: univ8250_console_device_lock+0x67/0xc0
[  286.416531][   T32] locks held by khungtaskd/32: 1, last CPU#0:
[  286.416562][   T32]  #0: ffffffff8ed5c720 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[  286.416745][   T32] locks held by getty/5372: 2, on CPU#1:
[  286.416789][   T32]  #0: ffff8880359fc0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  286.416923][   T32]  #1: ffffc900032332e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45a/0x1360
[  286.417087][   T32] locks held by syz-executor680/5658: 3, last CPU#1:
[  286.417143][   T32]  #0: ffff88807f24e460 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x22b/0xba0
[  286.417295][   T32]  #1: ffff88807697cb80 (&sb->s_type->i_mutex_key#18){+.+.}-{4:4}, at: fuse_file_write_iter+0xb7f/0x11b0
[  286.417478][   T32]  #2: ffffffff8ed5c720 (rcu_read_lock){....}-{1:3}, at: unwind_next_frame+0x8f/0x2550
[  286.417634][   T32] locks held by syz-executor680/5659: 1, on CPU#1:
[  286.417667][   T32]  #0: ffff88807697cb80 (&sb->s_type->i_mutex_key#18){+.+.}-{4:4}, at: process_measurement+0x443/0x1c10
[  286.417839][   T32] 
[  286.417858][   T32] =============================================
[  286.417858][   T32] 
[  286.417889][   T32] NMI backtrace for cpu 0
[  286.417927][   T32] CPU: 0 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  286.417991][   T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  286.418020][   T32] Call Trace:
[  286.418041][   T32]  <TASK>
[  286.418067][   T32]  dump_stack_lvl+0xe8/0x150
[  286.418164][   T32]  nmi_cpu_backtrace+0x274/0x2d0
[  286.418239][   T32]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  286.418320][   T32]  nmi_trigger_cpumask_backtrace+0x17d/0x390
[  286.418404][   T32]  sys_info+0x135/0x170
[  286.418463][   T32]  watchdog+0xfd7/0x1030
[  286.418544][   T32]  ? watchdog+0x1c7/0x1030
[  286.418599][   T32]  kthread+0x38b/0x480
[  286.418652][   T32]  ? __pfx_watchdog+0x10/0x10
[  286.418689][   T32]  ? __pfx_kthread+0x10/0x10
[  286.418743][   T32]  ret_from_fork+0x514/0xb70
[  286.418791][   T32]  ? __pfx_ret_from_fork+0x10/0x10
[  286.418842][   T32]  ? __switch_to+0xc89/0x1420
[  286.418911][   T32]  ? __pfx_kthread+0x10/0x10
[  286.418960][   T32]  ret_from_fork_asm+0x1a/0x30
[  286.419069][   T32]  </TASK>
[  286.419081][   T32] Sending NMI from CPU 0 to CPUs 1:
[  286.419127][    C1] NMI backtrace for cpu 1
[  286.419138][    C1] CPU: 1 UID: 0 PID: 16 Comm: pr/ttyS0 Not tainted syzkaller #0 PREEMPT(full) 
[  286.419156][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  286.419165][    C1] RIP: 0010:io_serial_in+0x77/0xc0
[  286.419184][    C1] Code: e8 0e 27 55 fc 44 89 f9 d3 e3 49 83 c6 40 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 3f 23 c5 fc 41 03 1e 89 da ec <0f> b6 c0 5b 41 5c 41 5e 41 5f c3 cc cc cc cc cc 44 89 f9 80 e1 07
[  286.419197][    C1] RSP: 0018:ffffc900001578b8 EFLAGS: 00000002
[  286.419210][    C1] RAX: 1ffffffff35a6a00 RBX: 00000000000003fd RCX: 0000000000000000
[  286.419221][    C1] RDX: 00000000000003fd RSI: 0000000000000000 RDI: 0000000000000020
[  286.419231][    C1] RBP: dffffc0000000000 R08: 0000000000000003 R09: 0000000000000004
[  286.419241][    C1] R10: dffffc0000000000 R11: ffffffff85729970 R12: dffffc0000000000
[  286.419253][    C1] R13: 0000000000000000 R14: ffffffff9ad35100 R15: 0000000000000000
[  286.419263][    C1] FS:  0000000000000000(0000) GS:ffff888124dd6000(0000) knlGS:0000000000000000
[  286.419276][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  286.419287][    C1] CR2: 000055d8ac7d3168 CR3: 0000000070420000 CR4: 00000000003526f0
[  286.419302][    C1] Call Trace:
[  286.419308][    C1]  <TASK>
[  286.419315][    C1]  wait_for_lsr+0x184/0x2f0
[  286.419342][    C1]  __serial8250_console_fifo_write+0xcd/0x3e0
[  286.419367][    C1]  serial8250_console_write+0xaa1/0x1200
[  286.419392][    C1]  ? __pfx_serial8250_console_write+0x10/0x10
[  286.419408][    C1]  ? rcu_is_watching+0x16/0xb0
[  286.419433][    C1]  nbcon_emit_next_record+0xef5/0x1a90
[  286.419458][    C1]  ? __pfx_nbcon_emit_next_record+0x10/0x10
[  286.419478][    C1]  ? nbcon_context_try_acquire+0x819/0xbd0
[  286.419502][    C1]  ? _raw_spin_lock_irqsave+0x4c/0x60
[  286.419525][    C1]  nbcon_kthread_func+0x679/0x880
[  286.419545][    C1]  ? nbcon_kthread_func+0x163/0x880
[  286.419560][    C1]  ? __pfx_nbcon_kthread_func+0x10/0x10
[  286.419580][    C1]  ? __kthread_parkme+0x71/0x1f0
[  286.419603][    C1]  ? __kthread_parkme+0x199/0x1f0
[  286.419628][    C1]  kthread+0x38b/0x480
[  286.419642][    C1]  ? __pfx_nbcon_kthread_func+0x10/0x10
[  286.419657][    C1]  ? __pfx_kthread+0x10/0x10
[  286.419672][    C1]  ret_from_fork+0x514/0xb70
[  286.419705][    C1]  ? __pfx_ret_from_fork+0x10/0x10
[  286.419720][    C1]  ? __switch_to+0xc89/0x1420
[  286.419744][    C1]  ? __pfx_kthread+0x10/0x10
[  286.419760][    C1]  ret_from_fork_asm+0x1a/0x30
[  286.419793][    C1]  </TASK>
[  286.420133][   T32] Kernel panic - not syncing: hung_task: blocked tasks
[  287.202893][   T32] CPU: 0 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  287.212032][   T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
[  287.222136][   T32] Call Trace:
[  287.225436][   T32]  <TASK>
[  287.228384][   T32]  vpanic+0x56d/0xa60
[  287.232393][   T32]  ? __pfx_vpanic+0x10/0x10
[  287.236924][   T32]  ? console_srcu_read_unlock+0x3a/0x60
[  287.242500][   T32]  panic+0xc5/0xd0
[  287.246258][   T32]  ? __pfx_panic+0x10/0x10
[  287.250702][   T32]  ? wq_watchdog_touch+0xf9/0x160
[  287.255752][   T32]  ? nmi_trigger_cpumask_backtrace+0x24d/0x390
[  287.261942][   T32]  watchdog+0x1030/0x1030
[  287.266312][   T32]  ? watchdog+0x1c7/0x1030
[  287.270794][   T32]  kthread+0x38b/0x480
[  287.274923][   T32]  ? __pfx_watchdog+0x10/0x10
[  287.279630][   T32]  ? __pfx_kthread+0x10/0x10
[  287.285209][   T32]  ret_from_fork+0x514/0xb70
[  287.289828][   T32]  ? __pfx_ret_from_fork+0x10/0x10
[  287.294981][   T32]  ? __switch_to+0xc89/0x1420
[  287.299695][   T32]  ? __pfx_kthread+0x10/0x10
[  287.304309][   T32]  ret_from_fork_asm+0x1a/0x30
[  287.309163][   T32]  </TASK>
[  287.312846][   T32] Kernel Offset: disabled
[  287.317199][   T32] Rebooting in 86400 seconds..