ci-upstream-net-this-kasan-gce/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci-upstream-net-this-kasan-gce/syz-executor3254895466 <...> Warning: Permanently added '10.128.1.103' (ED25519) to the list of known hosts. execve("ci-upstream-net-this-kasan-gce/syz-executor3254895466", ["ci-upstream-net-this-kasan-gce/syz-executor3254895466"], 0x7ffdb775a000 /* 10 vars */) = 0 brk(NULL) = 0x55557915d000 brk(0x55557915dd80) = 0x55557915dd80 arch_prctl(ARCH_SET_FS, 0x55557915d400) = 0 set_tid_address(0x55557915d6d0) = 5650 set_robust_list(0x55557915d6e0, 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-net-this-kasan-gce/syz-executor3254895466", 4096) = 59 getrandom("\x09\x43\xf5\x85\xb8\x7b\x1e\xb0", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557915dd80 brk(0x55557917ed80) = 0x55557917ed80 brk(0x55557917f000) = 0x55557917f000 mprotect(0x7fee35890000, 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-net-this-kasan-gce/strace-static-x86_64: Process 5651 attached [pid 5651] set_robust_list(0x55557915d6e0, 24 [pid 5650] <... clone resumed>, child_tidptr=0x55557915d6d0) = 5651 [pid 5651] <... set_robust_list resumed>) = 0 [pid 5650] rt_sigprocmask(SIG_SETMASK, [] [pid 5651] rt_sigprocmask(SIG_SETMASK, [] [pid 5650] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5651] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5650] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5651] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5650] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5651] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5651] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5653 attached ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5652 attached [pid 5650] <... clone resumed>, child_tidptr=0x55557915d6d0) = 5652 [pid 5653] set_robust_list(0x55557915d6e0, 24 [pid 5652] set_robust_list(0x55557915d6e0, 24 [pid 5653] <... set_robust_list resumed>) = 0 [pid 5650] rt_sigprocmask(SIG_SETMASK, [] [pid 5653] rt_sigprocmask(SIG_SETMASK, [] [pid 5652] <... set_robust_list resumed>) = 0 [pid 5651] <... clone resumed>, child_tidptr=0x55557915d6d0) = 5653 [pid 5650] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5653] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5652] rt_sigprocmask(SIG_SETMASK, [] [pid 5651] rt_sigprocmask(SIG_SETMASK, [] [pid 5650] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5652] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5651] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5653] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5652] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5650] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5652] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5650] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5653] <... prctl resumed>) = 0 [pid 5652] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5653] setpgid(0, 0) = 0 ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5655 attached ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5654 attached [pid 5653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5650] <... clone resumed>, child_tidptr=0x55557915d6d0) = 5655 [pid 5654] set_robust_list(0x55557915d6e0, 24 [pid 5652] <... clone resumed>, child_tidptr=0x55557915d6d0) = 5654 [pid 5650] rt_sigprocmask(SIG_SETMASK, [] [pid 5655] set_robust_list(0x55557915d6e0, 24 [pid 5654] <... set_robust_list resumed>) = 0 [pid 5653] <... openat resumed>) = 3 [pid 5652] rt_sigprocmask(SIG_SETMASK, [] [pid 5650] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5655] <... set_robust_list resumed>) = 0 [pid 5653] write(3, "1000", 4 [pid 5652] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5650] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5654] rt_sigprocmask(SIG_SETMASK, [] [pid 5653] <... write resumed>) = 4 [pid 5650] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5655] rt_sigprocmask(SIG_SETMASK, [] [pid 5654] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5653] close(3 [pid 5650] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5655] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5654] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5653] <... close resumed>) = 0 executing program [pid 5655] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5653] write(1, "executing program\n", 18 [pid 5655] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5654] <... prctl resumed>) = 0 [pid 5653] <... write resumed>) = 18 ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5656 attached [pid 5655] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5654] setpgid(0, 0 [pid 5653] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5650] <... clone resumed>, child_tidptr=0x55557915d6d0) = 5656 [pid 5656] set_robust_list(0x55557915d6e0, 24 [pid 5654] <... setpgid resumed>) = 0 [pid 5653] <... socket resumed>) = 3 ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5657 attached [pid 5650] rt_sigprocmask(SIG_SETMASK, [] [pid 5656] <... set_robust_list resumed>) = 0 [pid 5653] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=[{nlmsg_len=20, nlmsg_type=0x27 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST, nlmsg_seq=7388459, nlmsg_pid=635427838}, "\x06\x00\x00\x00"], iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_DONTROUTE|MSG_EOR|MSG_CONFIRM|MSG_NOSIGNAL|MSG_MORE|MSG_ZEROCOPY [pid 5650] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5657] set_robust_list(0x55557915d6e0, 24 [pid 5656] rt_sigprocmask(SIG_SETMASK, [] [pid 5655] <... clone resumed>, child_tidptr=0x55557915d6d0) = 5657 [pid 5654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5650] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5656] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5655] rt_sigprocmask(SIG_SETMASK, [] [pid 5650] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5657] <... set_robust_list resumed>) = 0 [pid 5656] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5655] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5654] <... openat resumed>) = 3 [pid 5650] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5657] rt_sigprocmask(SIG_SETMASK, [] [pid 5656] <... rt_sigprocmask resumed>, [], 8) = 0 ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5658 attached [pid 5657] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5656] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5654] write(3, "1000", 4 [pid 5658] set_robust_list(0x55557915d6e0, 24 [pid 5657] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5654] <... write resumed>) = 4 [pid 5654] close(3) = 0 [pid 5657] <... prctl resumed>) = 0 executing program [pid 5654] write(1, "executing program\n", 18 [pid 5657] setpgid(0, 0 [pid 5654] <... write resumed>) = 18 [pid 5650] <... clone resumed>, child_tidptr=0x55557915d6d0) = 5658 [pid 5658] <... set_robust_list resumed>) = 0 [pid 5657] <... setpgid resumed>) = 0 [pid 5654] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5650] rt_sigprocmask(SIG_SETMASK, [] [pid 5658] rt_sigprocmask(SIG_SETMASK, [] [pid 5657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5654] <... socket resumed>) = 3 ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5659 attached [pid 5650] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5658] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5657] <... openat resumed>) = 3 [pid 5654] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=[{nlmsg_len=20, nlmsg_type=0x27 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST, nlmsg_seq=7388459, nlmsg_pid=635427838}, "\x06\x00\x00\x00"], iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_DONTROUTE|MSG_EOR|MSG_CONFIRM|MSG_NOSIGNAL|MSG_MORE|MSG_ZEROCOPY [pid 5659] set_robust_list(0x55557915d6e0, 24 [pid 5658] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5657] write(3, "1000", 4 [pid 5656] <... clone resumed>, child_tidptr=0x55557915d6d0) = 5659 [pid 5659] <... set_robust_list resumed>) = 0 [pid 5658] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5657] <... write resumed>) = 4 [pid 5656] rt_sigprocmask(SIG_SETMASK, [] [pid 5659] rt_sigprocmask(SIG_SETMASK, [] [pid 5658] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5657] close(3) = 0 [pid 5656] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5657] write(1, "executing program\n", 18) = 18 [pid 5657] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 executing program [pid 5659] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5657] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=[{nlmsg_len=20, nlmsg_type=0x27 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST, nlmsg_seq=7388459, nlmsg_pid=635427838}, "\x06\x00\x00\x00"], iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_DONTROUTE|MSG_EOR|MSG_CONFIRM|MSG_NOSIGNAL|MSG_MORE|MSG_ZEROCOPYci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5661 attached [pid 5659] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5658] <... clone resumed>, child_tidptr=0x55557915d6d0) = 5661 [pid 5661] set_robust_list(0x55557915d6e0, 24 [pid 5659] setpgid(0, 0 [pid 5658] rt_sigprocmask(SIG_SETMASK, [] [pid 5661] <... set_robust_list resumed>) = 0 [pid 5659] <... setpgid resumed>) = 0 [pid 5658] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5661] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5659] <... openat resumed>) = 3 [pid 5661] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5659] write(3, "1000", 4 [pid 5661] <... prctl resumed>) = 0 [pid 5661] setpgid(0, 0 [pid 5659] <... write resumed>) = 4 [pid 5661] <... setpgid resumed>) = 0 [pid 5659] close(3 [pid 5661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5659] <... close resumed>) = 0 [pid 5661] <... openat resumed>) = 3 [pid 5659] write(1, "executing program\n", 18 [pid 5661] write(3, "1000", 4 [pid 5659] <... write resumed>) = 18 executing program [pid 5661] <... write resumed>) = 4 [pid 5659] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5661] close(3) = 0 [pid 5659] <... socket resumed>) = 3 executing program [pid 5661] write(1, "executing program\n", 18) = 18 [pid 5659] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=[{nlmsg_len=20, nlmsg_type=0x27 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST, nlmsg_seq=7388459, nlmsg_pid=635427838}, "\x06\x00\x00\x00"], iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_DONTROUTE|MSG_EOR|MSG_CONFIRM|MSG_NOSIGNAL|MSG_MORE|MSG_ZEROCOPY [pid 5661] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 5661] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=[{nlmsg_len=20, nlmsg_type=0x27 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST, nlmsg_seq=7388459, nlmsg_pid=635427838}, "\x06\x00\x00\x00"], iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_DONTROUTE|MSG_EOR|MSG_CONFIRM|MSG_NOSIGNAL|MSG_MORE|MSG_ZEROCOPY [pid 5653] <... sendmsg resumed>) = 20 [pid 5653] socket(AF_INET6, SOCK_DGRAM, IPPROTO_IP) = 4 [pid 5653] ioctl(4, SIOCSIFFLAGS, {ifr_name="lo", ifr_flags=0}) = 0 [pid 5653] exit_group(0) = ? [pid 5653] +++ exited with 0 +++ [pid 5651] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5653, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5651] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 5651] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5651] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5664 attached , child_tidptr=0x55557915d6d0) = 5664 [pid 5651] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5664] set_robust_list(0x55557915d6e0, 24) = 0 [pid 5664] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5664] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5664] setpgid(0, 0) = 0 [pid 5664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5664] write(3, "1000", 4) = 4 [pid 5664] close(3) = 0 [pid 5664] write(1, "executing program\n", 18) = 18 [pid 5664] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 executing program [pid 5664] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=[{nlmsg_len=20, nlmsg_type=0x27 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST, nlmsg_seq=7388459, nlmsg_pid=635427838}, "\x06\x00\x00\x00"], iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_DONTROUTE|MSG_EOR|MSG_CONFIRM|MSG_NOSIGNAL|MSG_MORE|MSG_ZEROCOPY [pid 5652] kill(-5654, SIGKILL) = 0 [pid 5652] kill(5654, SIGKILL) = 0 [pid 5655] kill(-5657, SIGKILL) = 0 [pid 5655] kill(5657, SIGKILL) = 0 [pid 5656] kill(-5659, SIGKILL) = 0 [pid 5656] kill(5659, SIGKILL) = 0 [pid 5658] kill(-5661, SIGKILL) = 0 [pid 5658] kill(5661, SIGKILL) = 0 [pid 5651] kill(-5664, SIGKILL) = 0 [pid 5651] kill(5664, SIGKILL) = 0 [pid 5652] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5652] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5652] getdents64(3, 0x55557915e7a0 /* 2 entries */, 32768) = 48 [pid 5652] getdents64(3, 0x55557915e7a0 /* 0 entries */, 32768) = 0 [pid 5652] close(3) = 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, 0x55557915e7a0 /* 2 entries */, 32768) = 48 [pid 5655] getdents64(3, 0x55557915e7a0 /* 0 entries */, 32768) = 0 [pid 5655] close(3) = 0 [pid 5658] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5658] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5658] getdents64(3, 0x55557915e7a0 /* 2 entries */, 32768) = 48 [pid 5658] getdents64(3, 0x55557915e7a0 /* 0 entries */, 32768) = 0 [pid 5658] close(3) = 0 [pid 5656] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5656] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5656] getdents64(3, 0x55557915e7a0 /* 2 entries */, 32768) = 48 [pid 5656] getdents64(3, 0x55557915e7a0 /* 0 entries */, 32768) = 0 [pid 5656] close(3) = 0 [pid 5651] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5651] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5651] getdents64(3, 0x55557915e7a0 /* 2 entries */, 32768) = 48 [pid 5651] getdents64(3, 0x55557915e7a0 /* 0 entries */, 32768) = 0 [pid 5651] close(3) = 0 [ 286.663790][ T30] INFO: task syz-executor325:5657 blocked for more than 143 seconds. [ 286.671910][ T30] Not tainted syzkaller #0 [ 286.676922][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.686239][ T30] task:syz-executor325 state:D stack:27176 pid:5657 tgid:5657 ppid:5655 task_flags:0x400140 flags:0x00080002 [ 286.698524][ T30] Call Trace: [ 286.701823][ T30] [ 286.704822][ T30] __schedule+0x17d9/0x56c0 [ 286.709401][ T30] ? __lock_acquire+0x683/0x2cf0 [ 286.714386][ T30] ? __lock_acquire+0x683/0x2cf0 [ 286.719360][ T30] ? __pfx___schedule+0x10/0x10 [ 286.724265][ T30] ? schedule+0x90/0x2b0 [ 286.728546][ T30] schedule+0x164/0x2b0 [ 286.732701][ T30] schedule_preempt_disabled+0x13/0x30 [ 286.738255][ T30] __mutex_lock+0x7bf/0x1550 [ 286.742889][ T30] ? __mutex_lock+0x5d4/0x1550 [ 286.747707][ T30] ? nfsd_nl_listener_set_doit+0x135/0x1750 [ 286.753761][ T30] ? __pfx___mutex_lock+0x10/0x10 [ 286.758823][ T30] ? __asan_memset+0x22/0x50 [ 286.763425][ T30] ? __nla_validate_parse+0x2429/0x2d50 [ 286.769130][ T30] nfsd_nl_listener_set_doit+0x135/0x1750 [ 286.775025][ T30] ? __pfx___nla_validate_parse+0x10/0x10 [ 286.780778][ T30] ? rcu_is_watching+0x15/0xb0 [ 286.785733][ T30] ? trace_kmalloc+0x2a/0xf0 [ 286.790351][ T30] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.796617][ T30] ? __nla_parse+0x40/0x60 [ 286.801176][ T30] ? genl_family_rcv_msg_attrs_parse+0x20b/0x2f0 [ 286.807593][ T30] ? genl_family_rcv_msg_attrs_parse+0x265/0x2f0 [ 286.814000][ T30] genl_family_rcv_msg_doit+0x233/0x340 [ 286.819586][ T30] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 286.825758][ T30] ? bpf_lsm_capable+0x9/0x20 [ 286.830561][ T30] ? security_capable+0x7e/0x2c0 [ 286.835668][ T30] genl_rcv_msg+0x614/0x7a0 [ 286.840386][ T30] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.845464][ T30] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.851652][ T30] netlink_rcv_skb+0x226/0x4a0 [ 286.857071][ T30] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.862121][ T30] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 286.867480][ T30] ? down_read+0x2be/0x330 [ 286.871933][ T30] genl_rcv+0x28/0x40 [ 286.875998][ T30] netlink_unicast+0x7bb/0x940 [ 286.880821][ T30] netlink_sendmsg+0x813/0xb40 [ 286.885655][ T30] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.891310][ T30] ? aa_sock_msg_perm+0xf1/0x1b0 [ 286.896312][ T30] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.901613][ T30] sock_sendmsg_nosec+0x13a/0x180 [ 286.906686][ T30] ____sys_sendmsg+0x54e/0x850 [ 286.911492][ T30] ? __pfx_____sys_sendmsg+0x10/0x10 [ 286.917023][ T30] ? import_iovec+0x73/0xa0 [ 286.921555][ T30] ___sys_sendmsg+0x2a5/0x360 [ 286.926281][ T30] ? __lock_acquire+0x683/0x2cf0 [ 286.931245][ T30] ? __pfx____sys_sendmsg+0x10/0x10 [ 286.936500][ T30] ? lockdep_hardirqs_on+0x7a/0x110 [ 286.941746][ T30] __x64_sys_sendmsg+0x1b1/0x290 [ 286.946774][ T30] ? _raw_spin_unlock_irq+0x2e/0x50 [ 286.952010][ T30] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 286.957719][ T30] ? do_user_addr_fault+0xc4a/0x1340 [ 286.963136][ T30] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.969361][ T30] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.975490][ T30] do_syscall_64+0x174/0x580 [ 286.980128][ T30] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.986232][ T30] ? clear_bhb_loop+0x70/0xc0 [ 286.990932][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.996974][ T30] RIP: 0033:0x7fee357fd639 [ 287.001505][ T30] RSP: 002b:00007ffebe520408 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 287.010140][ T30] RAX: ffffffffffffffda RBX: 0000200000000680 RCX: 00007fee357fd639 [ 287.018183][ T30] RDX: 000000000400c884 RSI: 0000200000000640 RDI: 0000000000000003 [ 287.026462][ T30] RBP: 00000000000f4240 R08: 0000000000000009 R09: 0000000000000009 [ 287.034591][ T30] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffebe520588 [ 287.042819][ T30] R13: 0000000000000002 R14: 00007ffebe520430 R15: 00007ffebe520420 [ 287.051029][ T30] [ 287.054130][ T30] INFO: task syz-executor325:5659 blocked for more than 143 seconds. [ 287.062192][ T30] Not tainted syzkaller #0 [ 287.067287][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 287.075995][ T30] task:syz-executor325 state:D stack:27480 pid:5659 tgid:5659 ppid:5656 task_flags:0x400140 flags:0x00080802 [ 287.087959][ T30] Call Trace: [ 287.091254][ T30] [ 287.094263][ T30] __schedule+0x17d9/0x56c0 [ 287.098978][ T30] ? __lock_acquire+0x683/0x2cf0 [ 287.104011][ T30] ? __lock_acquire+0x683/0x2cf0 [ 287.108973][ T30] ? __pfx___schedule+0x10/0x10 [ 287.113907][ T30] ? schedule+0x90/0x2b0 [ 287.118299][ T30] schedule+0x164/0x2b0 [ 287.122586][ T30] schedule_preempt_disabled+0x13/0x30 [ 287.128297][ T30] __mutex_lock+0x7bf/0x1550 [ 287.132916][ T30] ? __mutex_lock+0x5d4/0x1550 [ 287.137899][ T30] ? nfsd_nl_listener_set_doit+0x135/0x1750 [ 287.143935][ T30] ? __pfx___mutex_lock+0x10/0x10 [ 287.149002][ T30] ? __asan_memset+0x22/0x50 [ 287.153630][ T30] ? __nla_validate_parse+0x2429/0x2d50 [ 287.159413][ T30] nfsd_nl_listener_set_doit+0x135/0x1750 [ 287.165390][ T30] ? __pfx___nla_validate_parse+0x10/0x10 [ 287.171230][ T30] ? rcu_is_watching+0x15/0xb0 [ 287.176481][ T30] ? trace_kmalloc+0x2a/0xf0 [ 287.181108][ T30] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 287.187314][ T30] ? __nla_parse+0x40/0x60 [ 287.192871][ T30] ? genl_family_rcv_msg_attrs_parse+0x20b/0x2f0 [ 287.199469][ T30] ? genl_family_rcv_msg_attrs_parse+0x265/0x2f0 [ 287.206000][ T30] genl_family_rcv_msg_doit+0x233/0x340 [ 287.211937][ T30] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 287.218447][ T30] ? bpf_lsm_capable+0x9/0x20 [ 287.223179][ T30] ? security_capable+0x7e/0x2c0 [ 287.228210][ T30] genl_rcv_msg+0x614/0x7a0 [ 287.232780][ T30] ? __pfx_genl_rcv_msg+0x10/0x10 [ 287.237892][ T30] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 287.244134][ T30] netlink_rcv_skb+0x226/0x4a0 [ 287.248924][ T30] ? __pfx_genl_rcv_msg+0x10/0x10 [ 287.254059][ T30] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 287.259510][ T30] ? down_read+0x2be/0x330 [ 287.264017][ T30] genl_rcv+0x28/0x40 [ 287.268033][ T30] netlink_unicast+0x7bb/0x940 [ 287.272817][ T30] netlink_sendmsg+0x813/0xb40 [ 287.277861][ T30] ? __pfx_netlink_sendmsg+0x10/0x10 [ 287.283289][ T30] ? do_raw_spin_lock+0x12b/0x2f0 [ 287.288422][ T30] ? aa_sock_msg_perm+0xf1/0x1b0 [ 287.293598][ T30] ? __pfx_netlink_sendmsg+0x10/0x10 [ 287.298906][ T30] sock_sendmsg_nosec+0x13a/0x180 [ 287.304135][ T30] ____sys_sendmsg+0x54e/0x850 [ 287.309019][ T30] ? __pfx_____sys_sendmsg+0x10/0x10 [ 287.314408][ T30] ? import_iovec+0x73/0xa0 [ 287.318949][ T30] ___sys_sendmsg+0x2a5/0x360 [ 287.323914][ T30] ? __lock_acquire+0x683/0x2cf0 [ 287.328894][ T30] ? __pfx____sys_sendmsg+0x10/0x10 [ 287.334270][ T30] ? lockdep_hardirqs_on+0x7a/0x110 [ 287.339541][ T30] __x64_sys_sendmsg+0x1b1/0x290 [ 287.344562][ T30] ? _raw_spin_unlock_irq+0x2e/0x50 [ 287.349900][ T30] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 287.355498][ T30] ? do_user_addr_fault+0xc4a/0x1340 [ 287.361201][ T30] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.367327][ T30] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.373417][ T30] do_syscall_64+0x174/0x580 [ 287.378055][ T30] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.384177][ T30] ? clear_bhb_loop+0x70/0xc0 [ 287.388867][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.394937][ T30] RIP: 0033:0x7fee357fd639 [ 287.399617][ T30] RSP: 002b:00007ffebe520408 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 287.408401][ T30] RAX: ffffffffffffffda RBX: 0000200000000680 RCX: 00007fee357fd639 [ 287.416771][ T30] RDX: 000000000400c884 RSI: 0000200000000640 RDI: 0000000000000003 [ 287.424819][ T30] RBP: 00000000000f4240 R08: 0000000000000009 R09: 0000000000000009 [ 287.432854][ T30] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffebe520588 [ 287.440998][ T30] R13: 0000000000000002 R14: 00007ffebe520430 R15: 00007ffebe520420 [ 287.449070][ T30] [ 287.452548][ T30] INFO: task syz-executor325:5661 blocked for more than 144 seconds. [ 287.460850][ T30] Not tainted syzkaller #0 [ 287.465933][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 287.475259][ T30] task:syz-executor325 state:D stack:27480 pid:5661 tgid:5661 ppid:5658 task_flags:0x400140 flags:0x00080002 [ 287.487358][ T30] Call Trace: [ 287.490854][ T30] [ 287.493895][ T30] __schedule+0x17d9/0x56c0 [ 287.498462][ T30] ? __lock_acquire+0x683/0x2cf0 [ 287.503445][ T30] ? __lock_acquire+0x683/0x2cf0 [ 287.508482][ T30] ? __pfx___schedule+0x10/0x10 [ 287.513588][ T30] ? schedule+0x90/0x2b0 [ 287.517882][ T30] schedule+0x164/0x2b0 [ 287.522159][ T30] schedule_preempt_disabled+0x13/0x30 [ 287.527754][ T30] __mutex_lock+0x7bf/0x1550 [ 287.532500][ T30] ? __mutex_lock+0x5d4/0x1550 [ 287.537360][ T30] ? nfsd_nl_listener_set_doit+0x135/0x1750 [ 287.543315][ T30] ? __pfx___mutex_lock+0x10/0x10 [ 287.548553][ T30] ? __asan_memset+0x22/0x50 [ 287.553291][ T30] ? __nla_validate_parse+0x2429/0x2d50 [ 287.558958][ T30] nfsd_nl_listener_set_doit+0x135/0x1750 [ 287.564776][ T30] ? __pfx___nla_validate_parse+0x10/0x10 [ 287.570561][ T30] ? rcu_is_watching+0x15/0xb0 [ 287.575473][ T30] ? trace_kmalloc+0x2a/0xf0 [ 287.580222][ T30] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 287.586657][ T30] ? __nla_parse+0x40/0x60 [ 287.591107][ T30] ? genl_family_rcv_msg_attrs_parse+0x20b/0x2f0 [ 287.597506][ T30] ? genl_family_rcv_msg_attrs_parse+0x265/0x2f0 [ 287.603896][ T30] genl_family_rcv_msg_doit+0x233/0x340 [ 287.609491][ T30] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 287.615714][ T30] ? bpf_lsm_capable+0x9/0x20 [ 287.620426][ T30] ? security_capable+0x7e/0x2c0 [ 287.625453][ T30] genl_rcv_msg+0x614/0x7a0 [ 287.630008][ T30] ? __pfx_genl_rcv_msg+0x10/0x10 [ 287.635120][ T30] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 287.641339][ T30] netlink_rcv_skb+0x226/0x4a0 [ 287.646196][ T30] ? __pfx_genl_rcv_msg+0x10/0x10 [ 287.651276][ T30] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 287.656673][ T30] ? down_read+0x2be/0x330 [ 287.661138][ T30] genl_rcv+0x28/0x40 [ 287.665329][ T30] netlink_unicast+0x7bb/0x940 [ 287.670132][ T30] netlink_sendmsg+0x813/0xb40 [ 287.674980][ T30] ? __pfx_netlink_sendmsg+0x10/0x10 [ 287.680404][ T30] ? do_raw_spin_lock+0x12b/0x2f0 [ 287.685584][ T30] ? aa_sock_msg_perm+0xf1/0x1b0 [ 287.690561][ T30] ? __pfx_netlink_sendmsg+0x10/0x10 [ 287.695903][ T30] sock_sendmsg_nosec+0x13a/0x180 [ 287.700959][ T30] ____sys_sendmsg+0x54e/0x850 [ 287.705800][ T30] ? __pfx_____sys_sendmsg+0x10/0x10 [ 287.711234][ T30] ? import_iovec+0x73/0xa0 [ 287.715816][ T30] ___sys_sendmsg+0x2a5/0x360 [ 287.720551][ T30] ? __lock_acquire+0x683/0x2cf0 [ 287.725537][ T30] ? __pfx____sys_sendmsg+0x10/0x10 [ 287.730845][ T30] ? lockdep_hardirqs_on+0x7a/0x110 [ 287.736157][ T30] __x64_sys_sendmsg+0x1b1/0x290 [ 287.741297][ T30] ? _raw_spin_unlock_irq+0x2e/0x50 [ 287.746576][ T30] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 287.752180][ T30] ? do_user_addr_fault+0xc4a/0x1340 [ 287.757692][ T30] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.763854][ T30] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.770034][ T30] do_syscall_64+0x174/0x580 [ 287.774712][ T30] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.780797][ T30] ? clear_bhb_loop+0x70/0xc0 [ 287.785523][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.791609][ T30] RIP: 0033:0x7fee357fd639 [ 287.796074][ T30] RSP: 002b:00007ffebe520408 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 287.804543][ T30] RAX: ffffffffffffffda RBX: 0000200000000680 RCX: 00007fee357fd639 [ 287.812521][ T30] RDX: 000000000400c884 RSI: 0000200000000640 RDI: 0000000000000003 [ 287.820533][ T30] RBP: 00000000000f4240 R08: 0000000000000009 R09: 0000000000000009 [ 287.828545][ T30] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffebe520588 [ 287.836566][ T30] R13: 0000000000000002 R14: 00007ffebe520430 R15: 00007ffebe520420 [ 287.844590][ T30] [ 287.847614][ T30] INFO: task syz-executor325:5664 blocked for more than 144 seconds. [ 287.855720][ T30] Not tainted syzkaller #0 [ 287.860684][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 287.869517][ T30] task:syz-executor325 state:D stack:26096 pid:5664 tgid:5664 ppid:5651 task_flags:0x400140 flags:0x00080802 [ 287.881543][ T30] Call Trace: [ 287.884893][ T30] [ 287.887855][ T30] __schedule+0x17d9/0x56c0 [ 287.892393][ T30] ? __lock_acquire+0x683/0x2cf0 [ 287.897528][ T30] ? __lock_acquire+0x683/0x2cf0 [ 287.902521][ T30] ? __pfx___schedule+0x10/0x10 [ 287.907525][ T30] ? schedule+0x90/0x2b0 [ 287.912709][ T30] schedule+0x164/0x2b0 [ 287.917242][ T30] schedule_preempt_disabled+0x13/0x30 [ 287.922742][ T30] __mutex_lock+0x7bf/0x1550 [ 287.927405][ T30] ? __mutex_lock+0x5d4/0x1550 [ 287.932195][ T30] ? nfsd_nl_listener_set_doit+0x135/0x1750 [ 287.938316][ T30] ? __pfx___mutex_lock+0x10/0x10 [ 287.943395][ T30] ? __asan_memset+0x22/0x50 [ 287.948068][ T30] ? __nla_validate_parse+0x2429/0x2d50 [ 287.953740][ T30] nfsd_nl_listener_set_doit+0x135/0x1750 [ 287.959595][ T30] ? __pfx___nla_validate_parse+0x10/0x10 [ 287.965505][ T30] ? rcu_is_watching+0x15/0xb0 [ 287.970392][ T30] ? trace_kmalloc+0x2a/0xf0 [ 287.975065][ T30] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 287.981481][ T30] ? __nla_parse+0x40/0x60 [ 287.986104][ T30] ? genl_family_rcv_msg_attrs_parse+0x20b/0x2f0 [ 287.992475][ T30] ? genl_family_rcv_msg_attrs_parse+0x265/0x2f0 [ 287.999064][ T30] genl_family_rcv_msg_doit+0x233/0x340 [ 288.004773][ T30] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 288.010954][ T30] ? bpf_lsm_capable+0x9/0x20 [ 288.016074][ T30] ? security_capable+0x7e/0x2c0 [ 288.021052][ T30] genl_rcv_msg+0x614/0x7a0 [ 288.025890][ T30] ? __pfx_genl_rcv_msg+0x10/0x10 [ 288.031477][ T30] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 288.037908][ T30] netlink_rcv_skb+0x226/0x4a0 [ 288.042738][ T30] ? __pfx_genl_rcv_msg+0x10/0x10 [ 288.048050][ T30] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 288.053658][ T30] ? down_read+0x2be/0x330 [ 288.058104][ T30] genl_rcv+0x28/0x40 [ 288.062456][ T30] netlink_unicast+0x7bb/0x940 [ 288.067355][ T30] netlink_sendmsg+0x813/0xb40 [ 288.072163][ T30] ? __pfx_netlink_sendmsg+0x10/0x10 [ 288.077514][ T30] ? aa_sock_msg_perm+0xf1/0x1b0 [ 288.082494][ T30] ? __pfx_netlink_sendmsg+0x10/0x10 [ 288.087852][ T30] sock_sendmsg_nosec+0x13a/0x180 [ 288.092909][ T30] ____sys_sendmsg+0x54e/0x850 [ 288.097906][ T30] ? __pfx_____sys_sendmsg+0x10/0x10 [ 288.103412][ T30] ? import_iovec+0x73/0xa0 [ 288.108117][ T30] ___sys_sendmsg+0x2a5/0x360 [ 288.113114][ T30] ? __lock_acquire+0x683/0x2cf0 [ 288.118301][ T30] ? __pfx____sys_sendmsg+0x10/0x10 [ 288.123686][ T30] __x64_sys_sendmsg+0x1b1/0x290 [ 288.128712][ T30] ? _raw_spin_unlock_irq+0x2e/0x50 [ 288.134031][ T30] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 288.139566][ T30] ? do_user_addr_fault+0xc4a/0x1340 [ 288.145010][ T30] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 288.151126][ T30] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 288.157607][ T30] do_syscall_64+0x174/0x580 [ 288.162290][ T30] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 288.168495][ T30] ? clear_bhb_loop+0x70/0xc0 [ 288.173210][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 288.179393][ T30] RIP: 0033:0x7fee357fd639 [ 288.183957][ T30] RSP: 002b:00007ffebe520408 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 288.192378][ T30] RAX: ffffffffffffffda RBX: 0000200000000680 RCX: 00007fee357fd639 [ 288.200478][ T30] RDX: 000000000400c884 RSI: 0000200000000640 RDI: 0000000000000003 [ 288.208542][ T30] RBP: 00000000000f4240 R08: 0000000000000009 R09: 0000000000000009 [ 288.216579][ T30] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000220ea [ 288.224607][ T30] R13: 00007ffebe52041c R14: 00007ffebe520430 R15: 00007ffebe520420 [ 288.232751][ T30] [ 288.235869][ T30] [ 288.235869][ T30] Showing all locks held in the system: [ 288.244434][ T30] 1 lock held by khungtaskd/30: [ 288.249294][ T30] #0: ffffffff8eb59c60 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 [ 288.259215][ T30] 2 locks held by getty/5365: [ 288.264373][ T30] #0: ffff88803580e0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 288.274286][ T30] #1: ffffc900032332e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45a/0x1360 [ 288.284656][ T30] 2 locks held by syz-executor325/5654: [ 288.290225][ T30] #0: ffffffff900978a8 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 288.298505][ T30] #1: ffffffff8ee8db80 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x135/0x1750 [ 288.309079][ T30] 2 locks held by syz-executor325/5657: [ 288.314681][ T30] #0: ffffffff900978a8 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 288.322902][ T30] #1: ffffffff8ee8db80 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x135/0x1750 [ 288.333321][ T30] 2 locks held by syz-executor325/5659: [ 288.338932][ T30] #0: ffffffff900978a8 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 288.347266][ T30] #1: ffffffff8ee8db80 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x135/0x1750 [ 288.357512][ T30] 2 locks held by syz-executor325/5661: [ 288.363067][ T30] #0: ffffffff900978a8 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 288.371384][ T30] #1: ffffffff8ee8db80 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x135/0x1750 [ 288.381827][ T30] 2 locks held by syz-executor325/5664: [ 288.387892][ T30] #0: ffffffff900978a8 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 288.396234][ T30] #1: ffffffff8ee8db80 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x135/0x1750 [ 288.406705][ T30] [ 288.409067][ T30] ============================================= [ 288.409067][ T30] [ 288.417555][ T30] NMI backtrace for cpu 0 [ 288.417573][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 288.417590][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 288.417599][ T30] Call Trace: [ 288.417607][ T30] [ 288.417613][ T30] dump_stack_lvl+0xe8/0x150 [ 288.417640][ T30] nmi_cpu_backtrace+0x274/0x2d0 [ 288.417656][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 288.417678][ T30] nmi_trigger_cpumask_backtrace+0x17a/0x380 [ 288.417695][ T30] sys_info+0x135/0x170 [ 288.417716][ T30] watchdog+0xfd7/0x1030 [ 288.417739][ T30] ? watchdog+0x1c7/0x1030 [ 288.417760][ T30] kthread+0x388/0x470 [ 288.417780][ T30] ? __pfx_watchdog+0x10/0x10 [ 288.417794][ T30] ? __pfx_kthread+0x10/0x10 [ 288.417814][ T30] ret_from_fork+0x514/0xb70 [ 288.417838][ T30] ? __pfx_ret_from_fork+0x10/0x10 [ 288.417857][ T30] ? __switch_to+0xc89/0x1420 [ 288.417875][ T30] ? __pfx_kthread+0x10/0x10 [ 288.417895][ T30] ret_from_fork_asm+0x1a/0x30 [ 288.417927][ T30] [ 288.417935][ T30] Sending NMI from CPU 0 to CPUs 1: [ 288.528808][ C1] NMI backtrace for cpu 1 [ 288.528826][ C1] CPU: 1 UID: 0 PID: 1096 Comm: kworker/u8:7 Not tainted syzkaller #0 PREEMPT(full) [ 288.528843][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 288.528853][ C1] Workqueue: events_unbound toggle_allocation_gate [ 288.528879][ C1] RIP: 0010:__rcu_read_unlock+0x32/0xe0 [ 288.528899][ C1] Code: 41 55 41 54 53 49 bf 00 00 00 00 00 fc ff df 65 48 8b 3d 09 ea bf 11 48 8d 9f c4 04 00 00 49 89 dc 49 c1 ec 03 43 0f b6 04 3c <84> c0 75 4f ff 0b 75 1d 4c 8d b7 c8 04 00 00 4c 89 f0 48 c1 e8 03 [ 288.528911][ C1] RSP: 0018:ffffc900053d7750 EFLAGS: 00000a03 [ 288.528924][ C1] RAX: 0000000000000000 RBX: ffff888027dbc2c4 RCX: 0000000000000046 [ 288.528934][ C1] RDX: 0000000000000005 RSI: ffffffff8e4acd47 RDI: ffff888027dbbe00 [ 288.528944][ C1] RBP: ffffc900053d7890 R08: ffff88801b04e603 R09: 1ffff11003609cc0 [ 288.528955][ C1] R10: dffffc0000000000 R11: ffffed1003609cc1 R12: 1ffff11004fb7858 [ 288.528965][ C1] R13: ffff88801b04f558 R14: 0000000000000200 R15: dffffc0000000000 [ 288.528976][ C1] FS: 0000000000000000(0000) GS:ffff888125058000(0000) knlGS:0000000000000000 [ 288.528988][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 288.528999][ C1] CR2: 000055ad2e7eb660 CR3: 000000000e946000 CR4: 00000000003526f0 [ 288.529014][ C1] Call Trace: [ 288.529022][ C1] [ 288.529030][ C1] ? kmem_cache_alloc_node_noprof+0xc8/0x610 [ 288.529048][ C1] __text_poke+0x85f/0x9b0 [ 288.529067][ C1] ? __pfx_text_poke_memcpy+0x10/0x10 [ 288.529081][ C1] ? __pfx_perf_event_text_poke+0x10/0x10 [ 288.529103][ C1] ? kmem_cache_alloc_node_noprof+0xc8/0x610 [ 288.529118][ C1] ? __pfx___text_poke+0x10/0x10 [ 288.529137][ C1] smp_text_poke_batch_finish+0x8f2/0x1110 [ 288.529154][ C1] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 288.529174][ C1] ? __pfx_smp_text_poke_batch_finish+0x10/0x10 [ 288.529193][ C1] ? arch_jump_label_transform_queue+0x97/0x110 [ 288.529228][ C1] ? __jump_label_update+0x347/0x370 [ 288.529251][ C1] arch_jump_label_transform_apply+0x1c/0x30 [ 288.529268][ C1] static_key_enable_cpuslocked+0x128/0x240 [ 288.529288][ C1] ? process_scheduled_works+0xa20/0x14e0 [ 288.529303][ C1] static_key_enable+0x1a/0x20 [ 288.529321][ C1] toggle_allocation_gate+0xab/0x290 [ 288.529347][ C1] ? __pfx_toggle_allocation_gate+0x10/0x10 [ 288.529365][ C1] ? process_scheduled_works+0xa20/0x14e0 [ 288.529384][ C1] ? trace_workqueue_execute_start+0x7c/0x1d0 [ 288.529399][ C1] ? process_scheduled_works+0xa20/0x14e0 [ 288.529414][ C1] process_scheduled_works+0xa8e/0x14e0 [ 288.529440][ C1] ? __pfx_process_scheduled_works+0x10/0x10 [ 288.529457][ C1] ? assign_work+0x3cf/0x5d0 [ 288.529474][ C1] worker_thread+0xa47/0xfb0 [ 288.529495][ C1] ? __kthread_parkme+0x71/0x1f0 [ 288.529516][ C1] kthread+0x388/0x470 [ 288.529534][ C1] ? __pfx_worker_thread+0x10/0x10 [ 288.529549][ C1] ? __pfx_kthread+0x10/0x10 [ 288.529567][ C1] ret_from_fork+0x514/0xb70 [ 288.529587][ C1] ? __pfx_ret_from_fork+0x10/0x10 [ 288.529605][ C1] ? __switch_to+0xc89/0x1420 [ 288.529622][ C1] ? __pfx_kthread+0x10/0x10 [ 288.529641][ C1] ret_from_fork_asm+0x1a/0x30 [ 288.529667][ C1] [ 288.845826][ T30] Kernel panic - not syncing: hung_task: blocked tasks [ 288.852798][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 288.862004][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 288.872066][ T30] Call Trace: [ 288.875348][ T30] [ 288.878274][ T30] vpanic+0x56c/0xa60 [ 288.882288][ T30] ? __pfx___schedule+0x10/0x10 [ 288.887758][ T30] ? __pfx_vpanic+0x10/0x10 [ 288.892463][ T30] ? nmi_trigger_cpumask_backtrace+0x207/0x380 [ 288.898722][ T30] panic+0xc5/0xd0 [ 288.902472][ T30] ? __pfx_panic+0x10/0x10 [ 288.906918][ T30] ? preempt_schedule_common+0x82/0xd0 [ 288.912396][ T30] ? preempt_schedule_thunk+0x16/0x40 [ 288.917850][ T30] ? nmi_trigger_cpumask_backtrace+0x314/0x380 [ 288.924114][ T30] ? nmi_trigger_cpumask_backtrace+0x319/0x380 [ 288.930469][ T30] watchdog+0x1030/0x1030 [ 288.934846][ T30] ? watchdog+0x1c7/0x1030 [ 288.939601][ T30] kthread+0x388/0x470 [ 288.943703][ T30] ? __pfx_watchdog+0x10/0x10 [ 288.948483][ T30] ? __pfx_kthread+0x10/0x10 [ 288.953175][ T30] ret_from_fork+0x514/0xb70 [ 288.957793][ T30] ? __pfx_ret_from_fork+0x10/0x10 [ 288.962904][ T30] ? __switch_to+0xc89/0x1420 [ 288.967587][ T30] ? __pfx_kthread+0x10/0x10 [ 288.972172][ T30] ret_from_fork_asm+0x1a/0x30 [ 288.976946][ T30] [ 288.980163][ T30] Kernel Offset: disabled [ 288.984489][ T30] Rebooting in 86400 seconds..