ci2-upstream-fs/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-upstream-fs/syz-executor1869505742

<...>
Warning: Permanently added '10.128.1.34' (ED25519) to the list of known hosts.
execve("ci2-upstream-fs/syz-executor1869505742", ["ci2-upstream-fs/syz-executor1869505742"], 0x7ffc9557fc00 /* 10 vars */) = 0
brk(NULL)                               = 0x55555fd2e000
brk(0x55555fd2ed80)                     = 0x55555fd2ed80
arch_prctl(ARCH_SET_FS, 0x55555fd2e400) = 0
set_tid_address(0x55555fd2e6d0)         = 5597
set_robust_list(0x55555fd2e6e0, 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/ci2-upstream-fs/syz-executor1869505742", 4096) = 44
getrandom("\x81\xfb\x2a\x4f\xc9\xaa\x1c\xa0", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55555fd2ed80
brk(0x55555fd4fd80)                     = 0x55555fd4fd80
brk(0x55555fd50000)                     = 0x55555fd50000
mprotect(0x7ffbb4ff6000, 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
rt_sigprocmask(SIG_BLOCK, ~[], [], 8)   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5598 attached
, child_tidptr=0x55555fd2e6d0) = 5598
[pid  5598] set_robust_list(0x55555fd2e6e0, 24 <unfinished ...>
[pid  5597] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5598] <... set_robust_list resumed>) = 0
[pid  5598] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5597] openat(AT_FDCWD, "/sys/kernel/debug/x86/nmi_longest_ns", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5598] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5597] <... openat resumed>)       = 3
[pid  5597] write(3, "10000000000", 11) = 11
[pid  5597] close(3)                    = 0
[pid  5597] openat(AT_FDCWD, "/proc/sys/kernel/hung_task_check_interval_secs", O_WRONLY|O_CLOEXEC) = 3
[pid  5597] write(3, "20", 2)           = 2
[pid  5597] close(3)                    = 0
[pid  5597] openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_kallsyms", O_WRONLY|O_CLOEXEC) = 3
[pid  5597] write(3, "1", 1)            = 1
[pid  5597] close(3)                    = 0
[pid  5597] openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_harden", O_WRONLY|O_CLOEXEC) = 3
[pid  5597] write(3, "0", 1)            = 1
[pid  5597] close(3)                    = 0
[pid  5597] openat(AT_FDCWD, "/proc/sys/kernel/kptr_restrict", O_WRONLY|O_CLOEXEC) = 3
[pid  5597] write(3, "0", 1)            = 1
[pid  5597] close(3)                    = 0
[pid  5597] openat(AT_FDCWD, "/proc/sys/kernel/softlockup_all_cpu_backtrace", O_WRONLY|O_CLOEXEC) = 3
[pid  5597] write(3, "1", 1)            = 1
[pid  5597] close(3)                    = 0
[pid  5597] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid  5597] write(3, "100", 3)          = 3
[pid  5597] close(3)                    = 0
[pid  5597] openat(AT_FDCWD, "/proc/sys/vm/oom_dump_tasks", O_WRONLY|O_CLOEXEC) = 3
[pid  5597] write(3, "0", 1)            = 1
[pid  5597] close(3)                    = 0
[pid  5597] openat(AT_FDCWD, "/proc/sys/debug/exception-trace", O_WRONLY|O_CLOEXEC) = 3
[pid  5597] write(3, "0", 1)            = 1
[pid  5597] close(3)                    = 0
[pid  5597] openat(AT_FDCWD, "/proc/sys/kernel/printk", O_WRONLY|O_CLOEXEC) = 3
[pid  5597] write(3, "7 4 1 3", 7)      = 7
[pid  5597] close(3)                    = 0
[pid  5597] openat(AT_FDCWD, "/proc/sys/kernel/keys/gc_delay", O_WRONLY|O_CLOEXEC) = 3
[pid  5597] write(3, "1", 1)            = 1
[pid  5597] close(3)                    = 0
[pid  5597] openat(AT_FDCWD, "/proc/sys/vm/oom_kill_allocating_task", O_WRONLY|O_CLOEXEC) = 3
[pid  5597] write(3, "1", 1)            = 1
[pid  5597] close(3)                    = 0
[pid  5597] openat(AT_FDCWD, "/sys/kernel/debug/failslab/task-filter", O_WRONLY|O_CLOEXEC) = 3
[pid  5597] write(3, "Y", 1)            = 1
[pid  5597] close(3)                    = 0
[pid  5597] openat(AT_FDCWD, "/sys/kernel/debug/fail_page_alloc/task-filter", O_WRONLY|O_CLOEXEC) = 3
[pid  5597] write(3, "Y", 1)            = 1
[pid  5597] close(3)                    = 0
[pid  5597] openat(AT_FDCWD, "/sys/kernel/debug/fail_futex/task-filter", O_WRONLY|O_CLOEXEC) = 3
[pid  5597] write(3, "Y", 1)            = 1
[pid  5597] close(3)                    = 0
[pid  5597] openat(AT_FDCWD, "/sys/kernel/debug/fail_usercopy/task-filter", O_WRONLY|O_CLOEXEC) = 3
[pid  5597] write(3, "Y", 1)            = 1
[pid  5597] close(3)                    = 0
[pid  5597] openat(AT_FDCWD, "/sys/kernel/debug/fail_make_request/task-filter", O_WRONLY|O_CLOEXEC) = 3
[pid  5597] write(3, "Y", 1)            = 1
[pid  5597] close(3)                    = 0
[pid  5597] openat(AT_FDCWD, "/sys/kernel/debug/fail_io_timeout/task-filter", O_WRONLY|O_CLOEXEC) = 3
[pid  5597] write(3, "Y", 1)            = 1
[pid  5597] close(3)                    = 0
[pid  5597] openat(AT_FDCWD, "/sys/kernel/debug/fail_iommufd/task-filter", O_WRONLY|O_CLOEXEC) = 3
[pid  5597] write(3, "Y", 1)            = 1
[pid  5597] close(3)                    = 0
[pid  5597] openat(AT_FDCWD, "/proc/sys/kernel/ctrl-alt-del", O_WRONLY|O_CLOEXEC) = 3
[pid  5597] write(3, "0", 1)            = 1
[pid  5597] close(3)                    = 0
[pid  5597] openat(AT_FDCWD, "/proc/sys/kernel/cad_pid", O_WRONLY|O_CLOEXEC) = 3
[pid  5597] write(3, "5598", 4)         = 4
[pid  5597] close(3)                    = 0
[pid  5597] kill(5598, SIGKILL)         = 0
[pid  5598] +++ killed by SIGKILL +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5598, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
rt_sigprocmask(SIG_BLOCK, ~[], [], 8)   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5599 attached
, child_tidptr=0x55555fd2e6d0) = 5599
[pid  5597] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5599] set_robust_list(0x55555fd2e6e0, 24) = 0
[pid  5597] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5599] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5597] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5599] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5597] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5599] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5599] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5601 attached
ci2-upstream-fs/strace-static-x86_64: Process 5600 attached
 <unfinished ...>
[pid  5601] set_robust_list(0x55555fd2e6e0, 24 <unfinished ...>
[pid  5597] <... clone resumed>, child_tidptr=0x55555fd2e6d0) = 5600
[pid  5600] set_robust_list(0x55555fd2e6e0, 24 <unfinished ...>
[pid  5599] <... clone resumed>, child_tidptr=0x55555fd2e6d0) = 5601
[pid  5600] <... set_robust_list resumed>) = 0
[pid  5597] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5601] <... set_robust_list resumed>) = 0
[pid  5599] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5597] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5601] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5600] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5599] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5597] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  5600] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5597] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  5601] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5600] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  5597] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5601] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5600] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  5601] setpgid(0, 0 <unfinished ...>
[pid  5600] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5601] <... setpgid resumed>)      = 0
ci2-upstream-fs/strace-static-x86_64: Process 5603 attached
ci2-upstream-fs/strace-static-x86_64: Process 5602 attached
[pid  5603] set_robust_list(0x55555fd2e6e0, 24 <unfinished ...>
[pid  5597] <... clone resumed>, child_tidptr=0x55555fd2e6d0) = 5602
[pid  5603] <... set_robust_list resumed>) = 0
[pid  5602] set_robust_list(0x55555fd2e6e0, 24 <unfinished ...>
[pid  5601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5600] <... clone resumed>, child_tidptr=0x55555fd2e6d0) = 5603
[pid  5597] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5603] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5602] <... set_robust_list resumed>) = 0
[pid  5601] <... openat resumed>)       = 3
[pid  5600] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5597] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5603] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5602] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5601] write(3, "1000", 4 <unfinished ...>
[pid  5600] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5597] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  5603] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5602] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5601] <... write resumed>)        = 4
[pid  5597] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  5602] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  5601] close(3 <unfinished ...>
[pid  5597] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5603] <... prctl resumed>)        = 0
[pid  5602] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  5601] <... close resumed>)        = 0
[pid  5603] setpgid(0, 0 <unfinished ...>
[pid  5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5601] write(1, "executing program\n", 18 <unfinished ...>
[pid  5603] <... setpgid resumed>)      = 0
[pid  5603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5601] <... write resumed>)        = 18
executing program
[pid  5601] mkdirat(AT_FDCWD, "./sys", 0777ci2-upstream-fs/strace-static-x86_64: Process 5604 attached
ci2-upstream-fs/strace-static-x86_64: Process 5605 attached
 <unfinished ...>
[pid  5597] <... clone resumed>, child_tidptr=0x55555fd2e6d0) = 5604
[pid  5604] set_robust_list(0x55555fd2e6e0, 24 <unfinished ...>
[pid  5597] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5605] set_robust_list(0x55555fd2e6e0, 24 <unfinished ...>
[pid  5604] <... set_robust_list resumed>) = 0
[pid  5602] <... clone resumed>, child_tidptr=0x55555fd2e6d0) = 5605
[pid  5601] <... mkdirat resumed>)      = 0
[pid  5605] <... set_robust_list resumed>) = 0
[pid  5604] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5603] <... openat resumed>)       = 3
[pid  5602] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5605] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5604] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5602] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5601] mount(NULL, "./sys", "sysfs", 0, NULL <unfinished ...>
[pid  5597] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5604] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  5597] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  5605] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5604] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  5603] write(3, "1000", 4 <unfinished ...>
[pid  5601] <... mount resumed>)        = 0
[pid  5597] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  5605] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5604] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5603] <... write resumed>)        = 4
[pid  5597] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5605] <... prctl resumed>)        = 0
[pid  5603] close(3)                    = 0
executing program
[pid  5601] openat(AT_FDCWD, "./sys/class/scsi_host/host0/scan", O_WRONLY) = 3
[pid  5605] setpgid(0, 0 <unfinished ...>
[pid  5603] write(1, "executing program\n", 18 <unfinished ...>
[pid  5605] <... setpgid resumed>)      = 0
[pid  5603] <... write resumed>)        = 18
[pid  5605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5603] mkdirat(AT_FDCWD, "./sys", 0777ci2-upstream-fs/strace-static-x86_64: Process 5606 attached
) = -1 EEXIST (File exists)
[pid  5601] write(3, "0 - 0", 5ci2-upstream-fs/strace-static-x86_64: Process 5607 attached
 <unfinished ...>
[pid  5597] <... clone resumed>, child_tidptr=0x55555fd2e6d0) = 5607
[pid  5605] <... openat resumed>)       = 3
[pid  5604] <... clone resumed>, child_tidptr=0x55555fd2e6d0) = 5606
[pid  5603] mount(NULL, "./sys", "sysfs", 0, NULL <unfinished ...>
[pid  5597] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5607] set_robust_list(0x55555fd2e6e0, 24 <unfinished ...>
[pid  5606] set_robust_list(0x55555fd2e6e0, 24 <unfinished ...>
[pid  5605] write(3, "1000", 4 <unfinished ...>
[pid  5604] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5603] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  5597] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5607] <... set_robust_list resumed>) = 0
[pid  5605] <... write resumed>)        = 4
[pid  5607] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5606] <... set_robust_list resumed>) = 0
[pid  5605] close(3 <unfinished ...>
[pid  5604] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5603] openat(AT_FDCWD, "./sys/class/scsi_host/host0/scan", O_WRONLY <unfinished ...>
[pid  5607] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5606] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5605] <... close resumed>)        = 0
[pid  5603] <... openat resumed>)       = 3
[pid  5607] rt_sigprocmask(SIG_BLOCK, ~[] <unfinished ...>
[pid  5605] write(1, "executing program\n", 18 <unfinished ...>
[pid  5606] <... rt_sigprocmask resumed>, NULL, 8) = 0
executing program
[pid  5607] <... rt_sigprocmask resumed>, [], 8) = 0
[pid  5605] <... write resumed>)        = 18
[pid  5607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD <unfinished ...>
[pid  5606] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5605] mkdirat(AT_FDCWD, "./sys", 0777 <unfinished ...>
[pid  5603] write(3, "0 - 0", 5 <unfinished ...>
[pid  5605] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  5605] mount(NULL, "./sys", "sysfs", 0, NULL <unfinished ...>
[pid  5606] <... prctl resumed>)        = 0
[pid  5605] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
ci2-upstream-fs/strace-static-x86_64: Process 5608 attached
[pid  5606] setpgid(0, 0 <unfinished ...>
[pid  5605] openat(AT_FDCWD, "./sys/class/scsi_host/host0/scan", O_WRONLY <unfinished ...>
[pid  5608] set_robust_list(0x55555fd2e6e0, 24 <unfinished ...>
[pid  5607] <... clone resumed>, child_tidptr=0x55555fd2e6d0) = 5608
[pid  5606] <... setpgid resumed>)      = 0
[pid  5608] <... set_robust_list resumed>) = 0
[pid  5607] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC <unfinished ...>
[pid  5605] <... openat resumed>)       = 3
[pid  5608] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5607] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5605] write(3, "0 - 0", 5 <unfinished ...>
[pid  5608] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5606] <... openat resumed>)       = 3
[pid  5608] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5608] setpgid(0, 0)               = 0
[pid  5608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5606] write(3, "1000", 4 <unfinished ...>
[pid  5608] write(3, "1000", 4 <unfinished ...>
[pid  5606] <... write resumed>)        = 4
[pid  5608] <... write resumed>)        = 4
[pid  5606] close(3 <unfinished ...>
[pid  5608] close(3 <unfinished ...>
[pid  5606] <... close resumed>)        = 0
[pid  5608] <... close resumed>)        = 0
[pid  5606] write(1, "executing program\n", 18 <unfinished ...>
executing program
[pid  5608] write(1, "executing program\n", 18 <unfinished ...>
[pid  5606] <... write resumed>)        = 18
[pid  5608] <... write resumed>)        = 18
executing program
[pid  5608] mkdirat(AT_FDCWD, "./sys", 0777 <unfinished ...>
[pid  5606] mkdirat(AT_FDCWD, "./sys", 0777) = -1 EEXIST (File exists)
[pid  5606] mount(NULL, "./sys", "sysfs", 0, NULL <unfinished ...>
[pid  5608] <... mkdirat resumed>)      = -1 EEXIST (File exists)
[pid  5608] mount(NULL, "./sys", "sysfs", 0, NULL <unfinished ...>
[pid  5606] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  5608] <... mount resumed>)        = -1 EBUSY (Device or resource busy)
[pid  5608] openat(AT_FDCWD, "./sys/class/scsi_host/host0/scan", O_WRONLY) = 3
[pid  5606] openat(AT_FDCWD, "./sys/class/scsi_host/host0/scan", O_WRONLY <unfinished ...>
[pid  5608] write(3, "0 - 0", 5 <unfinished ...>
[pid  5606] <... openat resumed>)       = 3
[pid  5606] write(3, "0 - 0", 5 <unfinished ...>
[pid  5599] kill(-5601, SIGKILL)        = 0
[pid  5599] kill(5601, SIGKILL)         = 0
[pid  5600] kill(-5603, SIGKILL)        = 0
[pid  5600] kill(5603, SIGKILL)         = 0
[pid  5602] kill(-5605, SIGKILL)        = 0
[pid  5602] kill(5605, SIGKILL)         = 0
[pid  5604] kill(-5606, SIGKILL)        = 0
[pid  5604] kill(5606, SIGKILL)         = 0
[pid  5607] kill(-5608, SIGKILL)        = 0
[pid  5607] kill(5608, SIGKILL)         = 0
[pid  5599] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5599] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid  5599] getdents64(3, 0x55555fd2f790 /* 2 entries */, 32768) = 48
[pid  5599] getdents64(3, 0x55555fd2f790 /* 0 entries */, 32768) = 0
[pid  5599] close(3)                    = 0
[pid  5600] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5600] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid  5600] getdents64(3, 0x55555fd2f790 /* 2 entries */, 32768) = 48
[pid  5600] getdents64(3, 0x55555fd2f790 /* 0 entries */, 32768) = 0
[pid  5600] close(3)                    = 0
[pid  5604] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5604] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid  5604] getdents64(3, 0x55555fd2f790 /* 2 entries */, 32768) = 48
[pid  5604] getdents64(3, 0x55555fd2f790 /* 0 entries */, 32768) = 0
[pid  5604] close(3)                    = 0
[pid  5602] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5602] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid  5602] getdents64(3, 0x55555fd2f790 /* 2 entries */, 32768) = 48
[pid  5602] getdents64(3, 0x55555fd2f790 /* 0 entries */, 32768) = 0
[pid  5602] close(3)                    = 0
[pid  5607] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5607] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid  5607] getdents64(3, 0x55555fd2f790 /* 2 entries */, 32768) = 48
[pid  5607] getdents64(3, 0x55555fd2f790 /* 0 entries */, 32768) = 0
[pid  5607] close(3)                    = 0
[   86.677846][   T31] cfg80211: failed to load regulatory.db
[pid  5601] <... write resumed>)        = ?
[pid  5601] +++ killed by SIGKILL +++
[pid  5599] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5601, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=3 /* 0.03 s */} ---
[pid  5599] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5599] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5631 attached
, child_tidptr=0x55555fd2e6d0) = 5631
[pid  5631] set_robust_list(0x55555fd2e6e0, 24 <unfinished ...>
[pid  5599] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5631] <... set_robust_list resumed>) = 0
[pid  5631] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5631] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5631] setpgid(0, 0)               = 0
[pid  5631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5631] write(3, "1000", 4)         = 4
[pid  5631] close(3)                    = 0
executing program
[pid  5631] write(1, "executing program\n", 18) = 18
[pid  5631] mkdirat(AT_FDCWD, "./sys", 0777) = -1 EEXIST (File exists)
[pid  5631] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  5631] openat(AT_FDCWD, "./sys/class/scsi_host/host0/scan", O_WRONLY) = 3
[pid  5631] write(3, "0 - 0", 5 <unfinished ...>
[pid  5599] kill(-5631, SIGKILL)        = 0
[pid  5599] kill(5631, SIGKILL)         = 0
[pid  5599] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5599] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid  5599] getdents64(3, 0x55555fd2f790 /* 2 entries */, 32768) = 48
[pid  5599] getdents64(3, 0x55555fd2f790 /* 0 entries */, 32768) = 0
[pid  5599] close(3)                    = 0
[pid  5603] <... write resumed>)        = ?
[pid  5603] +++ killed by SIGKILL +++
[pid  5600] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5603, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5600] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5600] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5633 attached
, child_tidptr=0x55555fd2e6d0) = 5633
[pid  5633] set_robust_list(0x55555fd2e6e0, 24) = 0
[pid  5633] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5600] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5633] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5600] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5633] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5633] setpgid(0, 0)               = 0
[pid  5633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5633] write(3, "1000", 4)         = 4
[pid  5633] close(3)                    = 0
[pid  5633] write(1, "executing program\n", 18) = 18
executing program
[pid  5633] mkdirat(AT_FDCWD, "./sys", 0777) = -1 EEXIST (File exists)
[pid  5633] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  5633] openat(AT_FDCWD, "./sys/class/scsi_host/host0/scan", O_WRONLY) = 3
[pid  5633] write(3, "0 - 0", 5 <unfinished ...>
[pid  5600] kill(-5633, SIGKILL)        = 0
[pid  5600] kill(5633, SIGKILL)         = 0
[pid  5600] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5600] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid  5600] getdents64(3, 0x55555fd2f790 /* 2 entries */, 32768) = 48
[pid  5600] getdents64(3, 0x55555fd2f790 /* 0 entries */, 32768) = 0
[pid  5600] close(3)                    = 0
[pid  5605] <... write resumed>)        = ?
[pid  5605] +++ killed by SIGKILL +++
[pid  5602] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5605, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5602] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5602] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5640 attached
, child_tidptr=0x55555fd2e6d0) = 5640
[pid  5640] set_robust_list(0x55555fd2e6e0, 24) = 0
[pid  5640] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5602] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5640] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5602] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5640] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5640] setpgid(0, 0)               = 0
[pid  5640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5640] write(3, "1000", 4)         = 4
[pid  5640] close(3)                    = 0
[pid  5640] write(1, "executing program\n", 18) = 18
executing program
[pid  5640] mkdirat(AT_FDCWD, "./sys", 0777) = -1 EEXIST (File exists)
[pid  5640] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  5640] openat(AT_FDCWD, "./sys/class/scsi_host/host0/scan", O_WRONLY) = 3
[pid  5640] write(3, "0 - 0", 5 <unfinished ...>
[pid  5602] kill(-5640, SIGKILL)        = 0
[pid  5602] kill(5640, SIGKILL)         = 0
[pid  5602] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5602] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid  5602] getdents64(3, 0x55555fd2f790 /* 2 entries */, 32768) = 48
[pid  5602] getdents64(3, 0x55555fd2f790 /* 0 entries */, 32768) = 0
[pid  5602] close(3)                    = 0
[pid  5608] <... write resumed>)        = ?
[pid  5608] +++ killed by SIGKILL +++
[pid  5607] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5608, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} ---
[pid  5607] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5607] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-upstream-fs/strace-static-x86_64: Process 5641 attached
, child_tidptr=0x55555fd2e6d0) = 5641
[pid  5641] set_robust_list(0x55555fd2e6e0, 24 <unfinished ...>
[pid  5607] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5641] <... set_robust_list resumed>) = 0
[pid  5641] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5607] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5641] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5641] setpgid(0, 0)               = 0
[pid  5641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5641] write(3, "1000", 4)         = 4
[pid  5641] close(3)                    = 0
[pid  5641] write(1, "executing program\n", 18) = 18
executing program
[pid  5641] mkdirat(AT_FDCWD, "./sys", 0777) = -1 EEXIST (File exists)
[pid  5641] mount(NULL, "./sys", "sysfs", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  5641] openat(AT_FDCWD, "./sys/class/scsi_host/host0/scan", O_WRONLY) = 3
[pid  5641] write(3, "0 - 0", 5 <unfinished ...>
[pid  5607] kill(-5641, SIGKILL)        = 0
[pid  5607] kill(5641, SIGKILL)         = 0
[pid  5607] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5607] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid  5607] getdents64(3, 0x55555fd2f790 /* 2 entries */, 32768) = 48
[pid  5607] getdents64(3, 0x55555fd2f790 /* 0 entries */, 32768) = 0
[pid  5607] close(3)                    = 0
[  264.591497][   T38] INFO: task syz-executor186:5631 blocked for more than 143 seconds.
[  264.591519][   T38]       Not tainted syzkaller #0
[  264.591525][   T38] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  264.591530][   T38] task:syz-executor186 state:D stack:28240 pid:5631  tgid:5631  ppid:5599   task_flags:0x400140 flags:0x00080002
[  264.591576][   T38] Call Trace:
[  264.591581][   T38]  <TASK>
[  264.591595][   T38]  __schedule+0x16d9/0x5700
[  264.591640][   T38]  ? __pfx___schedule+0x10/0x10
[  264.591672][   T38]  rt_mutex_schedule+0x76/0xf0
[  264.591686][   T38]  rt_mutex_slowlock_block+0x55e/0x690
[  264.591707][   T38]  rt_mutex_slowlock+0x2d4/0x780
[  264.591721][   T38]  ? rt_mutex_slowlock+0x1f2/0x780
[  264.591733][   T38]  ? __pfx_rt_mutex_slowlock+0x10/0x10
[  264.591754][   T38]  ? scsi_scan_host_selected+0x19f/0x6c0
[  264.591774][   T38]  ? scsi_scan_host_selected+0x19f/0x6c0
[  264.591789][   T38]  mutex_lock_nested+0x168/0x1d0
[  264.591800][   T38]  ? simple_strntoull+0x114/0x190
[  264.591814][   T38]  scsi_scan_host_selected+0x19f/0x6c0
[  264.591837][   T38]  store_scan+0x4aa/0x540
[  264.591851][   T38]  ? __pfx_store_scan+0x10/0x10
[  264.591864][   T38]  ? lock_acquire+0x115/0x350
[  264.591879][   T38]  ? sysfs_file_kobj+0x1a/0x230
[  264.591895][   T38]  ? __pfx_sysfs_unbreak_active_protection+0x10/0x10
[  264.591909][   T38]  ? sysfs_file_kobj+0x1a/0x230
[  264.591920][   T38]  ? sysfs_file_kobj+0x1a/0x230
[  264.591933][   T38]  ? sysfs_file_kobj+0x1e4/0x230
[  264.591945][   T38]  ? sysfs_kf_write+0x166/0x260
[  264.591960][   T38]  ? __pfx_sysfs_kf_write+0x10/0x10
[  264.591972][   T38]  kernfs_fop_write_iter+0x3a5/0x540
[  264.591987][   T38]  vfs_write+0x61e/0xbb0
[  264.592006][   T38]  ? __pfx_vfs_write+0x10/0x10
[  264.592021][   T38]  ? rt_spin_unlock+0x159/0x200
[  264.592035][   T38]  ? rt_spin_unlock+0x165/0x200
[  264.592051][   T38]  ksys_write+0x156/0x270
[  264.592067][   T38]  ? __pfx_ksys_write+0x10/0x10
[  264.592086][   T38]  do_syscall_64+0x166/0x520
[  264.592101][   T38]  ? trace_irq_disable+0x3b/0x140
[  264.592116][   T38]  ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  264.592127][   T38]  ? clear_bhb_loop+0x70/0xc0
[  264.592140][   T38]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  264.592151][   T38] RIP: 0033:0x7ffbb4f638b9
[  264.592164][   T38] RSP: 002b:00007ffec02a2908 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  264.592176][   T38] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffbb4f638b9
[  264.592183][   T38] RDX: 0000000000000005 RSI: 0000200000000380 RDI: 0000000000000003
[  264.592190][   T38] RBP: 00000000000f4240 R08: 0000000000000009 R09: 0000000000000009
[  264.592196][   T38] R10: 0000000000000009 R11: 0000000000000246 R12: 00000000000139bc
[  264.592203][   T38] R13: 00007ffec02a291c R14: 00007ffec02a2930 R15: 00007ffec02a2920
[  264.592220][   T38]  </TASK>
[  264.592230][   T38] 
[  264.592230][   T38] Showing all locks held in the system:
[  264.592237][   T38] locks held by khungtaskd/38: 1, last CPU#0:
[  264.592245][   T38]  #0: ffffffff8f1c3d00 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180
[  264.592274][   T38] locks held by kworker/u8:2/48: 2, on CPU#0:
[  264.592282][   T38]  #0: ffff88813ff64138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630
[  264.592311][   T38]  #1: ffffc90000ba7c40 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630
[  264.592357][   T38] locks held by getty/5340: 2, on CPU#1:
[  264.592364][   T38]  #0: ffff888037fa80a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[  264.592393][   T38]  #1: ffffc900044eb2e0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x460/0x1360
[  264.592418][   T38] locks held by syz-executor186/5606: 4, on CPU#0:
[  264.592425][   T38]  #0: ffff8880373fc510 (sb_writers#7){.+.+}-{0:0}, at: vfs_write+0x231/0xbb0
[  264.592455][   T38]  #1: ffff88802d5dac78 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x1d9/0x540
[  264.592480][   T38]  #2: ffff88802982b788 (kn->active#49){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x22c/0x540
[  264.592507][   T38]  #3: ffff888025ec8110 (&shost->scan_mutex){+.+.}-{4:4}, at: scsi_scan_host_selected+0x19f/0x6c0
[  264.592537][   T38] locks held by syz-executor186/5631: 4, on CPU#1:
[  264.592545][   T38]  #0: ffff8880373fc510 (sb_writers#7){.+.+}-{0:0}, at: vfs_write+0x231/0xbb0
[  264.592574][   T38]  #1: ffff88803e67cc78 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x1d9/0x540
[  264.592598][   T38]  #2: ffff88802982b788 (kn->active#49){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x22c/0x540
[  264.592625][   T38]  #3: ffff888025ec8110 (&shost->scan_mutex){+.+.}-{4:4}, at: scsi_scan_host_selected+0x19f/0x6c0
[  264.592660][   T38] locks held by syz-executor186/5633: 4, on CPU#0:
[  264.592668][   T38]  #0: ffff8880373fc510 (sb_writers#7){.+.+}-{0:0}, at: vfs_write+0x231/0xbb0
[  264.592697][   T38]  #1: ffff888036cde878 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x1d9/0x540
[  264.592721][   T38]  #2: ffff88802982b788 (kn->active#49){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x22c/0x540
[  264.592769][   T38]  #3: ffff888025ec8110 (&shost->scan_mutex){+.+.}-{4:4}, at: scsi_scan_host_selected+0x19f/0x6c0
[  264.592799][   T38] locks held by syz-executor186/5640: 4, on CPU#0:
[  264.592807][   T38]  #0: ffff8880373fc510 (sb_writers#7){.+.+}-{0:0}, at: vfs_write+0x231/0xbb0
[  264.592835][   T38]  #1: ffff888036cde078 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x1d9/0x540
[  264.592860][   T38]  #2: ffff88802982b788 (kn->active#49){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x22c/0x540
[  264.592887][   T38]  #3: ffff888025ec8110 (&shost->scan_mutex){+.+.}-{4:4}, at: scsi_scan_host_selected+0x19f/0x6c0
[  264.592917][   T38] locks held by syz-executor186/5641: 4, on CPU#0:
[  264.592924][   T38]  #0: ffff8880373fc510 (sb_writers#7){.+.+}-{0:0}, at: vfs_write+0x231/0xbb0
[  264.592953][   T38]  #1: ffff888036cdd078 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x1d9/0x540
[  264.592983][   T38]  #2: ffff88802982b788 (kn->active#49){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x22c/0x540
[  264.593010][   T38]  #3: ffff888025ec8110 (&shost->scan_mutex){+.+.}-{4:4}, at: scsi_scan_host_selected+0x19f/0x6c0
[  264.593041][   T38] 
[  264.593044][   T38] =============================================
[  264.593044][   T38] 
[  264.593056][   T38] NMI backtrace for cpu 0
[  264.593071][   T38] CPU: 0 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  264.593085][   T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
[  264.593090][   T38] Call Trace:
[  264.593095][   T38]  <TASK>
[  264.593099][   T38]  dump_stack_lvl+0xe8/0x150
[  264.593115][   T38]  nmi_cpu_backtrace+0x274/0x2d0
[  264.593128][   T38]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  264.593140][   T38]  nmi_trigger_cpumask_backtrace+0x17d/0x390
[  264.593154][   T38]  sys_info+0x135/0x170
[  264.593164][   T38]  watchdog+0xfd7/0x1030
[  264.593182][   T38]  ? watchdog+0x1c7/0x1030
[  264.593199][   T38]  kthread+0x38b/0x470
[  264.593210][   T38]  ? __pfx_watchdog+0x10/0x10
[  264.593223][   T38]  ? __pfx_kthread+0x10/0x10
[  264.593234][   T38]  ret_from_fork+0x514/0xb70
[  264.593246][   T38]  ? __pfx_ret_from_fork+0x10/0x10
[  264.593257][   T38]  ? __switch_to+0xc89/0x1420
[  264.593273][   T38]  ? __pfx_kthread+0x10/0x10
[  264.593284][   T38]  ret_from_fork_asm+0x1a/0x30
[  264.593302][   T38]  </TASK>
[  264.593306][   T38] Sending NMI from CPU 0 to CPUs 1:
[  264.593340][    C1] NMI backtrace for cpu 1
[  264.593354][    C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  264.593373][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
[  264.593382][    C1] RIP: 0010:pv_native_safe_halt+0xf/0x20
[  264.593407][    C1] Code: 4b 5d 02 e9 93 d8 03 00 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 33 20 0f 00 fb f4 <c3> cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90
[  264.593421][    C1] RSP: 0018:ffffc900001d7e40 EFLAGS: 00000242
[  264.593436][    C1] RAX: 0000000000095879 RBX: ffffffff819abe60 RCX: 8000000000000001
[  264.593448][    C1] RDX: 0000000000000001 RSI: ffffffff8d8c00ee RDI: ffffffff8bcc6980
[  264.593460][    C1] RBP: ffffc900001d7f10 R08: ffff8880b8533e9b R09: 1ffff110170a67d3
[  264.593473][    C1] R10: dffffc0000000000 R11: ffffed10170a67d4 R12: 0000000000000000
[  264.593485][    C1] R13: 1ffff11003bd4000 R14: 1ffff9200003afd0 R15: dffffc0000000000
[  264.593497][    C1] FS:  0000000000000000(0000) GS:ffff888124abb000(0000) knlGS:0000000000000000
[  264.593511][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  264.593524][    C1] CR2: 0000556af0a82660 CR3: 000000002c3dc000 CR4: 00000000003526f0
[  264.593539][    C1] Call Trace:
[  264.593545][    C1]  <TASK>
[  264.593551][    C1]  default_idle+0x9/0x20
[  264.593566][    C1]  default_idle_call+0x72/0xb0
[  264.593582][    C1]  do_idle+0x2e0/0x540
[  264.593605][    C1]  ? __pfx_do_idle+0x10/0x10
[  264.593629][    C1]  ? _raw_spin_unlock_irqrestore+0x30/0x80
[  264.593653][    C1]  cpu_startup_entry+0x43/0x60
[  264.593675][    C1]  start_secondary+0x101/0x110
[  264.593691][    C1]  common_startup_64+0x13e/0x157
[  264.593721][    C1]  </TASK>
[  264.594327][   T38] Kernel panic - not syncing: hung_task: blocked tasks
[  265.457712][   T38] CPU: 0 UID: 0 PID: 38 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
[  265.467331][   T38] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
[  265.477376][   T38] Call Trace:
[  265.480645][   T38]  <TASK>
[  265.483568][   T38]  vpanic+0x56d/0xa60
[  265.487545][   T38]  ? __pfx_vpanic+0x10/0x10
[  265.492037][   T38]  ? console_srcu_read_unlock+0x3a/0x60
[  265.497582][   T38]  panic+0xc5/0xd0
[  265.501291][   T38]  ? __pfx_panic+0x10/0x10
[  265.505706][   T38]  ? wq_watchdog_touch+0xf9/0x160
[  265.510725][   T38]  ? nmi_trigger_cpumask_backtrace+0x24d/0x390
[  265.516870][   T38]  watchdog+0x1030/0x1030
[  265.521199][   T38]  ? watchdog+0x1c7/0x1030
[  265.525612][   T38]  kthread+0x38b/0x470
[  265.529675][   T38]  ? __pfx_watchdog+0x10/0x10
[  265.534342][   T38]  ? __pfx_kthread+0x10/0x10
[  265.538924][   T38]  ret_from_fork+0x514/0xb70
[  265.543502][   T38]  ? __pfx_ret_from_fork+0x10/0x10
[  265.548608][   T38]  ? __switch_to+0xc89/0x1420
[  265.553284][   T38]  ? __pfx_kthread+0x10/0x10
[  265.557867][   T38]  ret_from_fork_asm+0x1a/0x30
[  265.562631][   T38]  </TASK>
[  265.565792][   T38] Kernel Offset: disabled
[  265.570104][   T38] Rebooting in 86400 seconds..