ci-upstream-kasan-gce-selinux-root/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci-upstream-kasan-gce-selinux-root/syz-executor2242859498

<...>
Warning: Permanently added '10.128.0.191' (ED25519) to the list of known hosts.
execve("ci-upstream-kasan-gce-selinux-root/syz-executor2242859498", ["ci-upstream-kasan-gce-selinux-root/syz-executor2242859498"], 0x7ffe0aebe4e0 /* 10 vars */) = 0
brk(NULL)                               = 0x55556aa47000
brk(0x55556aa47d80)                     = 0x55556aa47d80
arch_prctl(ARCH_SET_FS, 0x55556aa47400) = 0
set_tid_address(0x55556aa476d0)         = 5624
set_robust_list(0x55556aa476e0, 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-kasan-gce-selinux-root/syz-executor2242859498", 4096) = 63
getrandom("\x90\xc5\xae\xe2\x08\xdf\x48\x27", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55556aa47d80
brk(0x55556aa68d80)                     = 0x55556aa68d80
brk(0x55556aa69000)                     = 0x55556aa69000
mprotect(0x7fbfd37bd000, 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|SIGCHLDci-upstream-kasan-gce-selinux-root/strace-static-x86_64: Process 5625 attached
, child_tidptr=0x55556aa476d0) = 5625
[pid  5625] set_robust_list(0x55556aa476e0, 24 <unfinished ...>
[pid  5624] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5625] <... set_robust_list resumed>) = 0
[pid  5625] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5624] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5625] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5625] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5625] setpgid(0, 0)               = 0
[pid  5625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5625] write(3, "1000", 4)         = 4
[pid  5625] close(3)                    = 0
[pid  5625] write(1, "executing program\n", 18) = 18
[pid  5625] futex(0x7fbfd37c3b6c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5625] rt_sigaction(SIGRT_1, {sa_handler=0x7fbfd3726150, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fbfd3718420}, NULL, 8) = 0
executing program
[pid  5625] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5625] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fbfd36cb000
[pid  5625] mprotect(0x7fbfd36cc000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5625] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5625] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fbfd36eb990, parent_tid=0x7fbfd36eb990, exit_signal=0, stack=0x7fbfd36cb000, stack_size=0x202c0, tls=0x7fbfd36eb6c0}ci-upstream-kasan-gce-selinux-root/strace-static-x86_64: Process 5626 attached
 => {parent_tid=[5626]}, 88) = 5626
[pid  5625] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5625] futex(0x7fbfd37c3b68, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5625] futex(0x7fbfd37c3b6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5626] 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  5626] set_robust_list(0x7fbfd36eb9a0, 24) = 0
[pid  5626] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5626] mkdirat(AT_FDCWD, "./nfsd", 0777) = 0
[pid  5626] futex(0x7fbfd37c3b6c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5625] <... futex resumed>)        = 0
[pid  5626] futex(0x7fbfd37c3b68, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5625] futex(0x7fbfd37c3b68, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5626] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[   82.948749][   T30] kauditd_printk_skb: 13 callbacks suppressed
[   82.949118][   T30] audit: type=1400 audit(1788470059.792:129): avc:  denied  { execmem } for  pid=5624 comm="syz-executor224" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[pid  5626] mount(NULL, "./nfsd", "nfsd", 0, NULL <unfinished ...>
[pid  5625] <... futex resumed>)        = 0
[pid  5625] futex(0x7fbfd37c3b6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5626] <... mount resumed>)        = 0
[pid  5626] futex(0x7fbfd37c3b6c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5625] <... futex resumed>)        = 0
[pid  5626] <... futex resumed>)        = 1
[pid  5625] futex(0x7fbfd37c3b68, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5626] mkdirat(AT_FDCWD, "./rpc_pipefs", 0777 <unfinished ...>
[pid  5625] <... futex resumed>)        = 0
[pid  5625] futex(0x7fbfd37c3b6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5626] <... mkdirat resumed>)      = 0
[pid  5626] futex(0x7fbfd37c3b6c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5625] <... futex resumed>)        = 0
[   83.013848][   T30] audit: type=1400 audit(1788470059.852:130): avc:  denied  { mounton } for  pid=5625 comm="syz-executor224" path="/root/nfsd" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   83.037812][   T30] audit: type=1400 audit(1788470059.872:131): avc:  denied  { mount } for  pid=5625 comm="syz-executor224" name="/" dev="nfsd" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nfsd_fs_t tclass=filesystem permissive=1
[pid  5626] mount(NULL, "./rpc_pipefs", "rpc_pipefs", 0, NULL <unfinished ...>
[pid  5625] futex(0x7fbfd37c3b68, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5626] <... mount resumed>)        = 0
[pid  5625] <... futex resumed>)        = 0
[pid  5625] futex(0x7fbfd37c3b6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5626] futex(0x7fbfd37c3b6c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5625] <... futex resumed>)        = 0
[pid  5625] futex(0x7fbfd37c3b68, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5626] <... futex resumed>)        = 1
[pid  5625] futex(0x7fbfd37c3b6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[   83.063814][   T30] audit: type=1400 audit(1788470059.902:132): avc:  denied  { mount } for  pid=5625 comm="syz-executor224" name="/" dev="rpc_pipefs" ino=987 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:rpc_pipefs_t tclass=filesystem permissive=1
[pid  5626] openat(AT_FDCWD, "./nfsd/versions", O_RDWR) = 3
[pid  5626] futex(0x7fbfd37c3b6c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5625] <... futex resumed>)        = 0
[pid  5626] futex(0x7fbfd37c3b68, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5625] futex(0x7fbfd37c3b68, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5626] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5626] write(3, "-2 -3 +4\n", 9 <unfinished ...>
[pid  5625] <... futex resumed>)        = 0
[pid  5625] futex(0x7fbfd37c3b6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5626] <... write resumed>)        = 9
[pid  5626] futex(0x7fbfd37c3b6c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5625] <... futex resumed>)        = 0
[pid  5626] futex(0x7fbfd37c3b68, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5625] futex(0x7fbfd37c3b68, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5626] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5625] <... futex resumed>)        = 0
[pid  5626] openat(AT_FDCWD, "./nfsd/portlist", O_RDWR <unfinished ...>
[   83.094471][   T30] audit: type=1400 audit(1788470059.932:133): avc:  denied  { search } for  pid=5625 comm="syz-executor224" name="/" dev="nfsd" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nfsd_fs_t tclass=dir permissive=1
[   83.098282][   T30] audit: type=1400 audit(1788470059.932:134): avc:  denied  { read write } for  pid=5625 comm="syz-executor224" name="versions" dev="nfsd" ino=12 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nfsd_fs_t tclass=file permissive=1
[   83.098314][   T30] audit: type=1400 audit(1788470059.932:135): avc:  denied  { open } for  pid=5625 comm="syz-executor224" path="/root/nfsd/versions" dev="nfsd" ino=12 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nfsd_fs_t tclass=file permissive=1
[pid  5625] futex(0x7fbfd37c3b6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5626] <... openat resumed>)       = 4
[pid  5626] futex(0x7fbfd37c3b6c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5626] futex(0x7fbfd37c3b68, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5625] <... futex resumed>)        = 0
[pid  5625] futex(0x7fbfd37c3b68, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5625] futex(0x7fbfd37c3b6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5626] <... futex resumed>)        = 0
[pid  5626] write(4, "tcp 2049\n", 9)   = 9
[pid  5626] futex(0x7fbfd37c3b6c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5625] <... futex resumed>)        = 0
[pid  5626] futex(0x7fbfd37c3b68, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5625] futex(0x7fbfd37c3b68, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5625] futex(0x7fbfd37c3b6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5626] <... futex resumed>)        = 0
[pid  5626] openat(AT_FDCWD, "./nfsd/threads", O_RDWR) = 5
[   83.174415][   T30] audit: type=1400 audit(1788470060.012:136): avc:  denied  { search } for  pid=5625 comm="syz-executor224" name="/" dev="nfsd" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nfsd_fs_t tclass=dir permissive=1
[pid  5626] futex(0x7fbfd37c3b6c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5626] futex(0x7fbfd37c3b68, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5625] <... futex resumed>)        = 0
[pid  5625] futex(0x7fbfd37c3b68, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5626] <... futex resumed>)        = 0
[pid  5625] futex(0x7fbfd37c3b6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[   83.227624][   T30] audit: type=1400 audit(1788470060.062:137): avc:  denied  { search } for  pid=5625 comm="syz-executor224" name="/" dev="nfsd" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:nfsd_fs_t tclass=dir permissive=1
[pid  5626] write(5, "0\n", 2 <unfinished ...>
[pid  5625] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5625] futex(0x7fbfd37c3b7c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5625] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fbfd36aa000
[pid  5625] mprotect(0x7fbfd36ab000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5625] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5625] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fbfd36ca990, parent_tid=0x7fbfd36ca990, exit_signal=0, stack=0x7fbfd36aa000, stack_size=0x202c0, tls=0x7fbfd36ca6c0} => {parent_tid=[5629]}, 88) = 5629
ci-upstream-kasan-gce-selinux-root/strace-static-x86_64: Process 5629 attached
[pid  5629] 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  5625] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5629] <... rseq resumed>)         = 0
[pid  5625] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5629] set_robust_list(0x7fbfd36ca9a0, 24 <unfinished ...>
[pid  5625] futex(0x7fbfd37c3b78, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5629] <... set_robust_list resumed>) = 0
[pid  5629] rt_sigprocmask(SIG_SETMASK, [] <unfinished ...>
[pid  5625] <... futex resumed>)        = 0
[pid  5629] <... rt_sigprocmask resumed>, NULL, 8) = 0
[pid  5625] futex(0x7fbfd37c3b7c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5629] openat(AT_FDCWD, "./rpc_pipefs/nfsd/cld", O_RDWR) = 6
[pid  5629] futex(0x7fbfd37c3b7c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5625] <... futex resumed>)        = 0
[pid  5629] futex(0x7fbfd37c3b78, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable)
[pid  5625] futex(0x7fbfd37c3b78, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5625] futex(0x7fbfd37c3b7c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  5625] futex(0x7fbfd37c3b7c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid  5625] futex(0x7fbfd37c3b8c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5625] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fbfd3689000
[pid  5625] mprotect(0x7fbfd368a000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5625] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5625] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fbfd36a9990, parent_tid=0x7fbfd36a9990, exit_signal=0, stack=0x7fbfd3689000, stack_size=0x202c0, tls=0x7fbfd36a96c0}ci-upstream-kasan-gce-selinux-root/strace-static-x86_64: Process 5630 attached
 <unfinished ...>
[pid  5630] 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  5625] <... clone3 resumed> => {parent_tid=[5630]}, 88) = 5630
[pid  5630] set_robust_list(0x7fbfd36a99a0, 24) = 0
[pid  5630] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5630] futex(0x7fbfd37c3b88, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5625] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
[pid  5625] futex(0x7fbfd37c3b88, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5630] <... futex resumed>)        = 0
[pid  5625] <... futex resumed>)        = 1
[pid  5625] futex(0x7fbfd37c3b8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5629] futex(0x7fbfd37c3b7c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5629] futex(0x7fbfd37c3b78, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5625] <... futex resumed>)        = -1 ETIMEDOUT (Connection timed out)
[pid  5625] futex(0x7fbfd37c3b8c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0}) = -1 ETIMEDOUT (Connection timed out)
[pid  5625] futex(0x7fbfd37c3b78, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5629] <... futex resumed>)        = 0
[pid  5625] <... futex resumed>)        = 1
[pid  5629] read(6 <unfinished ...>
[pid  5625] futex(0x7fbfd37c3b7c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5629] <... read resumed>, "\x01\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\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"..., 1034) = 1034
[pid  5629] futex(0x7fbfd37c3b7c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5625] <... futex resumed>)        = 0
[pid  5629] futex(0x7fbfd37c3b78, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5630] futex(0x7fbfd37c3b8c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5630] futex(0x7fbfd37c3b88, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5625] exit_group(0 <unfinished ...>
[pid  5630] <... futex resumed>)        = ?
[pid  5629] <... futex resumed>)        = ?
[pid  5625] <... exit_group resumed>)   = ?
[pid  5630] +++ exited with 0 +++
[pid  5629] +++ exited with 0 +++
[pid  5624] kill(-5625, SIGKILL)        = 0
[pid  5624] kill(5625, SIGKILL)         = 0
[pid  5624] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5624] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
[pid  5624] getdents64(3, 0x55556aa487b0 /* 2 entries */, 32768) = 48
[pid  5624] getdents64(3, 0x55556aa487b0 /* 0 entries */, 32768) = 0
[pid  5624] close(3)                    = 0
[  285.978344][   T32] INFO: task syz-executor22
** replaying previous printk message **
[  285.978344][   T32] INFO: task syz-executor224:5626 blocked for more than 143 seconds.
[  285.978372][   T32]       Not tainted syzkaller #0
[  285.978395][   T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  285.978405][   T32] task:syz-executor224 state:D stack:24312 pid:5626  tgid:5625  ppid:5624   task_flags:0x400140 flags:0x00080802
[  285.978453][   T32] Call Trace:
[  285.978459][   T32]  <TASK>
[  285.978468][   T32]  __schedule+0x1259/0x6920
[  285.978514][   T32]  ? __lock_acquire+0x4c5/0x1ec0
[  285.978540][   T32]  ? lock_acquire+0x1d1/0x380
[  285.978558][   T32]  ? __pfx___schedule+0x10/0x10
[  285.978572][   T32]  ? find_held_lock+0x2b/0x80
[  285.978594][   T32]  ? schedule+0x225/0x2c0
[  285.978612][   T32]  schedule+0xdd/0x2c0
[  285.978628][   T32]  schedule_timeout+0x1b2/0x280
[  285.978651][   T32]  ? __pfx_schedule_timeout+0x10/0x10
[  285.978680][   T32]  ? mark_held_locks+0x40/0x70
[  285.978700][   T32]  __wait_for_common+0x2e7/0x4c0
[  285.978717][   T32]  ? __pfx_schedule_timeout+0x10/0x10
[  285.978743][   T32]  ? __pfx___wait_for_common+0x10/0x10
[  285.978773][   T32]  ? dput.part.0+0x4f/0x240
[  285.978801][   T32]  ? dput+0x24/0x30
[  285.978822][   T32]  ? rpc_queue_upcall+0x2a5/0x530
[  285.978846][   T32]  nfsd4_cld_tracking_init+0x4be/0x10f0
[  285.978875][   T32]  ? __pfx_nfsd4_cld_tracking_init+0x10/0x10
[  285.978896][   T32]  ? net_generic+0x25/0x2a0
[  285.978926][   T32]  nfsd4_client_tracking_init+0xe5/0x1c0
[  285.978950][   T32]  nfs4_state_start_net.cold+0xb7/0x480
[  285.978971][   T32]  ? __init_waitqueue_head+0xca/0x150
[  285.979003][   T32]  nfsd_svc+0x54a/0x7d0
[  285.979023][   T32]  write_threads+0x316/0x600
[  285.979044][   T32]  ? __pfx_write_threads+0x10/0x10
[  285.979062][   T32]  ? __might_fault+0xc5/0x140
[  285.979086][   T32]  ? __might_fault+0xc5/0x140
[  285.979115][   T32]  ? _copy_from_user+0x59/0xd0
[  285.979140][   T32]  ? __pfx_write_threads+0x10/0x10
[  285.979159][   T32]  nfsctl_transaction_write+0x106/0x1a0
[  285.979178][   T32]  vfs_write+0x2aa/0x1050
[  285.979203][   T32]  ? __pfx_nfsctl_transaction_write+0x10/0x10
[  285.979221][   T32]  ? lock_acquire+0x1d1/0x380
[  285.979236][   T32]  ? __fget_files+0x34/0x3d0
[  285.979254][   T32]  ? __pfx_vfs_write+0x10/0x10
[  285.979276][   T32]  ? find_held_lock+0x2b/0x80
[  285.979297][   T32]  ? __fget_files+0x215/0x3d0
[  285.979319][   T32]  ? __fget_files+0x21f/0x3d0
[  285.979343][   T32]  ksys_write+0x12a/0x250
[  285.979358][   T32]  ? __pfx_ksys_write+0x10/0x10
[  285.979372][   T32]  ? rcu_is_watching+0x13/0xc0
[  285.979393][   T32]  ? _raw_spin_unlock_irq+0x23/0x50
[  285.979408][   T32]  ? lockdep_hardirqs_on+0x7d/0x110
[  285.979429][   T32]  do_syscall_64+0x123/0x790
[  285.979449][   T32]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  285.979466][   T32] RIP: 0033:0x7fbfd3713269
[  285.979480][   T32] RSP: 002b:00007fbfd36eb1d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  285.979495][   T32] RAX: ffffffffffffffda RBX: 00007fbfd37c3b68 RCX: 00007fbfd3713269
[  285.979506][   T32] RDX: 0000000000000002 RSI: 0000200000000100 RDI: 0000000000000005
[  285.979515][   T32] RBP: 00007fbfd37c3b60 R08: 35203a6b63617473 R09: 35203a6b63617473
[  285.979526][   T32] R10: 35203a6b63617473 R11: 0000000000000246 R12: 00007fbfd3795378
[  285.979536][   T32] R13: 0000200000000200 R14: 0000200000000500 R15: 00002000000000c0
[  285.979558][   T32]  </TASK>
[  285.979564][   T32] 
[  285.979564][   T32] Showing all locks held in the system:
[  285.979571][   T32] locks held by kworker/u8:1/13: 2, on CPU#0:
[  285.979582][   T32]  #0: ffff88801c094140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x1466/0x1b10
[  285.979630][   T32]  #1: ffffc90000127d08 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_one_work+0xa2c/0x1b10
[  285.979676][   T32] locks held by pr/ttyS0/16: 2, last CPU#0:
[  285.979687][   T32]  #0: ffffffff8edd8338 (console_srcu){....}-{0:0}, at: console_srcu_read_lock+0x49/0x60
[  285.979728][   T32]  #1: ffffffff9bc63c78 (&port_lock_key){-.-.}-{3:3}, at: univ8250_console_device_lock+0x64/0xc0
[  285.979777][   T32] locks held by khungtaskd/32: 1, last CPU#1:
[  285.979788][   T32]  #0: ffffffff8edec060 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x3d/0x184
[  285.979852][   T32] locks held by getty/5360: 2, on CPU#1:
[  285.979864][   T32]  #0: ffff888029f520a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80
[  285.979907][   T32]  #1: ffffc900032262e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x419/0x14e0
[  285.979948][   T32] locks held by syz-executor224/5626: 3, on CPU#1:
[  285.979959][   T32]  #0: ffff88802b935970 (&f->f_pos_lock){+.+.}-{4:4}, at: fdget_pos+0x2aa/0x380
[  285.979999][   T32]  #1: ffff888035040460 (sb_writers#9){.+.+}-{0:0}, at: ksys_write+0x12a/0x250
[  285.980038][   T32]  #2: ffffffff8f287680 (nfsd_mutex){+.+.}-{4:4}, at: write_threads+0x288/0x600
[  285.980078][   T32] 
[  285.980081][   T32] =============================================
[  285.980081][   T32] 
[  285.980088][   T32] NMI backtrace for cpu 1
[  285.980097][   T32] CPU: 1 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  285.980114][   T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
[  285.980123][   T32] Call Trace:
[  285.980128][   T32]  <TASK>
[  285.980134][   T32]  dump_stack_lvl+0x100/0x190
[  285.980157][   T32]  nmi_cpu_backtrace.cold+0x12d/0x151
[  285.980181][   T32]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  285.980199][   T32]  nmi_trigger_cpumask_backtrace+0x21f/0x2a0
[  285.980224][   T32]  sys_info+0x141/0x190
[  285.980244][   T32]  watchdog+0xcb1/0x1030
[  285.980266][   T32]  ? _raw_spin_unlock_irqrestore+0x52/0x80
[  285.980282][   T32]  ? __pfx_watchdog+0x10/0x10
[  285.980300][   T32]  ? __kthread_parkme+0x18f/0x230
[  285.980320][   T32]  ? kthread+0x13a/0x450
[  285.980339][   T32]  ? __pfx_watchdog+0x10/0x10
[  285.980354][   T32]  kthread+0x373/0x450
[  285.980374][   T32]  ? __pfx_kthread+0x10/0x10
[  285.980396][   T32]  ret_from_fork+0x730/0xd60
[  285.980414][   T32]  ? __pfx_ret_from_fork+0x10/0x10
[  285.980432][   T32]  ? __switch_to+0x800/0x10f0
[  285.980453][   T32]  ? __pfx_kthread+0x10/0x10
[  285.980475][   T32]  ret_from_fork_asm+0x1a/0x30
[  285.980501][   T32]  </TASK>
[  285.980507][   T32] Sending NMI from CPU 1 to CPUs 0:
[  285.980524][    C0] NMI backtrace for cpu 0
[  285.980534][    C0] CPU: 0 UID: 0 PID: 16 Comm: pr/ttyS0 Not tainted syzkaller #0 PREEMPT(full) 
[  285.980549][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
[  285.980556][    C0] RIP: 0010:io_serial_in+0x87/0xb0
[  285.980576][    C0] Code: 07 5c fc 48 8d 7d 40 44 89 e1 48 b8 00 00 00 00 00 fc ff df 48 89 fa d3 e3 48 c1 ea 03 80 3c 02 00 75 1a 66 03 5d 40 89 da ec <5b> 0f b6 c0 5d 41 5c c3 cc cc cc cc e8 48 1a cf fc eb a2 e8 d1 1a
[  285.980588][    C0] RSP: 0018:ffffc90000157958 EFLAGS: 00000002
[  285.980598][    C0] RAX: dffffc0000000000 RBX: 00000000000003fd RCX: 0000000000000000
[  285.980607][    C0] RDX: 00000000000003fd RSI: ffffffff85afe8d0 RDI: ffffffff9bc63ca0
[  285.980615][    C0] RBP: ffffffff9bc63c60 R08: 0000000000000001 R09: 000000000000001f
[  285.980624][    C0] R10: 0000000000000000 R11: 205d323354202020 R12: 0000000000000000
[  285.980632][    C0] R13: 0000000000000020 R14: fffffbfff378c7e9 R15: dffffc0000000000
[  285.980641][    C0] FS:  0000000000000000(0000) GS:ffff888123b61000(0000) knlGS:0000000000000000
[  285.980655][    C0] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  285.980664][    C0] CR2: 0000561b47b0e660 CR3: 000000000eb96000 CR4: 00000000003526f0
[  285.980672][    C0] Call Trace:
[  285.980677][    C0]  <TASK>
[  285.980683][    C0]  wait_for_lsr+0x13a/0x210
[  285.980698][    C0]  serial8250_fifo_wait_for_lsr_thre+0x5f/0xd0
[  285.980713][    C0]  __serial8250_console_fifo_write+0xa5/0x290
[  285.980727][    C0]  ? __pfx_io_serial_out+0x10/0x10
[  285.980747][    C0]  serial8250_console_write+0xf46/0x1330
[  285.980765][    C0]  ? __pfx_serial8250_console_write+0x10/0x10
[  285.980781][    C0]  ? __nbcon_context_update_unsafe+0x1b6/0x220
[  285.980801][    C0]  ? __pfx___nbcon_context_update_unsafe+0x10/0x10
[  285.980823][    C0]  nbcon_emit_next_record+0x8f7/0xa70
[  285.980844][    C0]  ? __pfx_nbcon_emit_next_record+0x10/0x10
[  285.980863][    C0]  ? nbcon_context_try_acquire+0x3a6/0xc60
[  285.980882][    C0]  ? do_raw_spin_lock+0x90/0x260
[  285.980900][    C0]  ? __pfx___cant_migrate+0x10/0x10
[  285.980917][    C0]  ? _raw_spin_lock_irqsave+0x42/0x60
[  285.980936][    C0]  nbcon_emit_one+0x1a8/0x2b0
[  285.980955][    C0]  ? __pfx_nbcon_emit_one+0x10/0x10
[  285.980976][    C0]  nbcon_kthread_func+0x613/0x7d0
[  285.980997][    C0]  ? __pfx_nbcon_kthread_func+0x10/0x10
[  285.981018][    C0]  ? __kthread_parkme+0x18f/0x230
[  285.981033][    C0]  ? kthread+0x13a/0x450
[  285.981049][    C0]  ? __pfx_nbcon_kthread_func+0x10/0x10
[  285.981068][    C0]  kthread+0x373/0x450
[  285.981084][    C0]  ? __pfx_kthread+0x10/0x10
[  285.981101][    C0]  ret_from_fork+0x730/0xd60
[  285.981115][    C0]  ? __pfx_ret_from_fork+0x10/0x10
[  285.981130][    C0]  ? __switch_to+0x800/0x10f0
[  285.981146][    C0]  ? __pfx_kthread+0x10/0x10
[  285.981164][    C0]  ret_from_fork_asm+0x1a/0x30
[  285.981181][    C0]  </TASK>
[  285.981523][   T32] Kernel panic - not syncing: hung_task: blocked tasks
[  286.851560][   T32] CPU: 1 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) 
[  286.860658][   T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026
[  286.870705][   T32] Call Trace:
[  286.873980][   T32]  <TASK>
[  286.876902][   T32]  dump_stack_lvl+0x100/0x190
[  286.881579][   T32]  vpanic+0x553/0x970
[  286.885546][   T32]  ? __pfx_vpanic+0x10/0x10
[  286.890035][   T32]  panic+0xd1/0xe0
[  286.893738][   T32]  ? __pfx_panic+0x10/0x10
[  286.898136][   T32]  ? wq_watchdog_touch+0xec/0x1a0
[  286.903154][   T32]  ? nmi_trigger_cpumask_backtrace+0x206/0x2a0
[  286.909297][   T32]  ? watchdog.cold+0x1ec/0x234
[  286.914045][   T32]  watchdog.cold+0x1fd/0x234
[  286.918621][   T32]  ? _raw_spin_unlock_irqrestore+0x52/0x80
[  286.924408][   T32]  ? __pfx_watchdog+0x10/0x10
[  286.929081][   T32]  ? __kthread_parkme+0x18f/0x230
[  286.934091][   T32]  ? kthread+0x13a/0x450
[  286.938317][   T32]  ? __pfx_watchdog+0x10/0x10
[  286.942973][   T32]  kthread+0x373/0x450
[  286.947027][   T32]  ? __pfx_kthread+0x10/0x10
[  286.951605][   T32]  ret_from_fork+0x730/0xd60
[  286.956178][   T32]  ? __pfx_ret_from_fork+0x10/0x10
[  286.961274][   T32]  ? __switch_to+0x800/0x10f0
[  286.965939][   T32]  ? __pfx_kthread+0x10/0x10
[  286.970520][   T32]  ret_from_fork_asm+0x1a/0x30
[  286.975273][   T32]  </TASK>
[  286.978461][   T32] Kernel Offset: disabled
[  286.982761][   T32] Rebooting in 86400 seconds..