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-executor4202905039 <...> Warning: Permanently added '10.128.0.2' (ED25519) to the list of known hosts. execve("ci-upstream-net-this-kasan-gce/syz-executor4202905039", ["ci-upstream-net-this-kasan-gce/syz-executor4202905039"], 0x7fffca872040 /* 10 vars */) = 0 brk(NULL) = 0x55558871f000 brk(0x55558871fd80) = 0x55558871fd80 arch_prctl(ARCH_SET_FS, 0x55558871f400) = 0 set_tid_address(0x55558871f6d0) = 5655 set_robust_list(0x55558871f6e0, 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-executor4202905039", 4096) = 59 getrandom("\xaa\x6e\xdc\x90\xb6\x7f\xa7\xef", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558871fd80 brk(0x555588740d80) = 0x555588740d80 brk(0x555588741000) = 0x555588741000 mprotect(0x7f96c5261000, 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 5656 attached [pid 5656] set_robust_list(0x55558871f6e0, 24 [pid 5655] <... clone resumed>, child_tidptr=0x55558871f6d0) = 5656 [pid 5655] rt_sigprocmask(SIG_SETMASK, [] [pid 5656] <... set_robust_list resumed>) = 0 [pid 5655] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5655] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5656] rt_sigprocmask(SIG_SETMASK, [] [pid 5655] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5655] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5656] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5657 attached [pid 5655] <... clone resumed>, child_tidptr=0x55558871f6d0) = 5657 [pid 5655] rt_sigprocmask(SIG_SETMASK, [] [pid 5657] set_robust_list(0x55558871f6e0, 24) = 0 [pid 5655] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5656] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5655] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5657] rt_sigprocmask(SIG_SETMASK, [] [pid 5655] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5656] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5655] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5656] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5658 attached [pid 5657] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5658] set_robust_list(0x55558871f6e0, 24ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5659 attached [pid 5655] <... clone resumed>, child_tidptr=0x55558871f6d0) = 5658 [pid 5658] <... set_robust_list resumed>) = 0 [pid 5657] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5655] rt_sigprocmask(SIG_SETMASK, [] [pid 5659] set_robust_list(0x55558871f6e0, 24 [pid 5658] rt_sigprocmask(SIG_SETMASK, [] [pid 5657] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5656] <... clone resumed>, child_tidptr=0x55558871f6d0) = 5659 [pid 5655] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5659] <... set_robust_list resumed>) = 0 [pid 5658] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5657] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5656] rt_sigprocmask(SIG_SETMASK, [] [pid 5655] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5659] rt_sigprocmask(SIG_SETMASK, [] [pid 5656] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5655] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5659] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5658] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5655] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5659] prctl(PR_SET_PDEATHSIG, SIGKILLci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5661 attached ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5660 attached ) = 0 [pid 5658] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5655] <... clone resumed>, child_tidptr=0x55558871f6d0) = 5661 [pid 5661] set_robust_list(0x55558871f6e0, 24 [pid 5660] set_robust_list(0x55558871f6e0, 24 [pid 5659] setpgid(0, 0 [pid 5655] rt_sigprocmask(SIG_SETMASK, [] [pid 5660] <... set_robust_list resumed>) = 0 [pid 5659] <... setpgid resumed>) = 0 [pid 5658] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5657] <... clone resumed>, child_tidptr=0x55558871f6d0) = 5660 [pid 5655] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5661] <... set_robust_list resumed>) = 0 [pid 5660] rt_sigprocmask(SIG_SETMASK, [] [pid 5659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5657] rt_sigprocmask(SIG_SETMASK, []ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5662 attached [pid 5655] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5661] rt_sigprocmask(SIG_SETMASK, [] [pid 5660] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5659] <... openat resumed>) = 3 [pid 5661] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5661] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5655] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5662] set_robust_list(0x55558871f6e0, 24 [pid 5660] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5659] write(3, "1000", 4 [pid 5658] <... clone resumed>, child_tidptr=0x55558871f6d0) = 5662 [pid 5657] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5655] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5662] <... set_robust_list resumed>) = 0 [pid 5660] <... prctl resumed>) = 0 [pid 5659] <... write resumed>) = 4 [pid 5658] rt_sigprocmask(SIG_SETMASK, [] [pid 5661] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5660] setpgid(0, 0 [pid 5659] close(3 [pid 5658] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5663 attached [pid 5662] rt_sigprocmask(SIG_SETMASK, [] [pid 5661] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5660] <... setpgid resumed>) = 0 [pid 5659] <... close resumed>) = 0 [pid 5655] <... clone resumed>, child_tidptr=0x55558871f6d0) = 5663 [pid 5663] set_robust_list(0x55558871f6e0, 24 [pid 5662] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5659] write(1, "executing program\n", 18 [pid 5655] rt_sigprocmask(SIG_SETMASK, [] [pid 5663] <... set_robust_list resumed>) = 0 [pid 5662] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5659] <... write resumed>) = 18 [pid 5655] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5663] rt_sigprocmask(SIG_SETMASK, [] [pid 5662] <... prctl resumed>) = 0 [pid 5660] <... openat resumed>) = 3 [pid 5659] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5663] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5662] setpgid(0, 0 [pid 5659] <... socket resumed>) = 3 ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5664 attached executing program [pid 5663] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5662] <... setpgid resumed>) = 0 [pid 5661] <... clone resumed>, child_tidptr=0x55558871f6d0) = 5664 [pid 5664] set_robust_list(0x55558871f6e0, 24) = 0 [pid 5663] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5661] rt_sigprocmask(SIG_SETMASK, [] [pid 5660] write(3, "1000", 4 [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=74513705, nlmsg_pid=635427836}, "\x06\x00\x00\x00"], iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=MSG_PROBE|MSG_BATCH|MSG_ZEROCOPY|MSG_FASTOPEN}, MSG_DONTROUTE|MSG_NOSIGNAL|MSG_BATCH [pid 5664] rt_sigprocmask(SIG_SETMASK, [] [pid 5663] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5662] <... openat resumed>) = 3 [pid 5661] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5660] <... write resumed>) = 4 [pid 5664] <... rt_sigprocmask resumed>, 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 [pid 5660] close(3 [pid 5664] <... openat resumed>) = 3 [pid 5662] write(3, "1000", 4 [pid 5660] <... close resumed>) = 0 [pid 5662] <... write resumed>) = 4 ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5665 attached [pid 5664] write(3, "1000", 4 [pid 5662] close(3 [pid 5660] write(1, "executing program\n", 18 [pid 5665] set_robust_list(0x55558871f6e0, 24 [pid 5664] <... write resumed>) = 4 [pid 5663] <... clone resumed>, child_tidptr=0x55558871f6d0) = 5665 [pid 5662] <... close resumed>) = 0 [pid 5660] <... write resumed>) = 18 executing program [pid 5665] <... set_robust_list resumed>) = 0 [pid 5664] close(3 [pid 5663] rt_sigprocmask(SIG_SETMASK, [] [pid 5662] write(1, "executing program\n", 18 executing program [pid 5660] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5664] <... close resumed>) = 0 [pid 5662] <... write resumed>) = 18 [pid 5660] <... socket resumed>) = 3 [pid 5665] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 5664] write(1, "executing program\n", 18 [pid 5663] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5662] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5665] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5660] 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=74513705, nlmsg_pid=635427836}, "\x06\x00\x00\x00"], iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=MSG_PROBE|MSG_BATCH|MSG_ZEROCOPY|MSG_FASTOPEN}, MSG_DONTROUTE|MSG_NOSIGNAL|MSG_BATCH [pid 5665] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5664] <... write resumed>) = 18 [pid 5662] <... socket resumed>) = 3 [pid 5664] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 5665] <... prctl resumed>) = 0 [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=74513705, nlmsg_pid=635427836}, "\x06\x00\x00\x00"], iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=MSG_PROBE|MSG_BATCH|MSG_ZEROCOPY|MSG_FASTOPEN}, MSG_DONTROUTE|MSG_NOSIGNAL|MSG_BATCH [pid 5662] 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=74513705, nlmsg_pid=635427836}, "\x06\x00\x00\x00"], iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=MSG_PROBE|MSG_BATCH|MSG_ZEROCOPY|MSG_FASTOPEN}, MSG_DONTROUTE|MSG_NOSIGNAL|MSG_BATCH [pid 5665] setpgid(0, 0) = 0 [pid 5665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5665] write(3, "1000", 4) = 4 [pid 5665] close(3) = 0 executing program [pid 5665] write(1, "executing program\n", 18) = 18 [pid 5665] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 5665] 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=74513705, nlmsg_pid=635427836}, "\x06\x00\x00\x00"], iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=MSG_PROBE|MSG_BATCH|MSG_ZEROCOPY|MSG_FASTOPEN}, MSG_DONTROUTE|MSG_NOSIGNAL|MSG_BATCH [pid 5659] <... sendmsg resumed>) = 20 [pid 5659] socket(AF_NETLINK, SOCK_DGRAM, 0) = 4 [pid 5659] write(4, "\xfc\x00\x00\x00\x1c\x00\x07\x04\xab\x5b\x25\x09\xb8\x68\x03\x00\x02\xab\x08\x7a\x01\x00\x00\x00\x01\x48\x10\x93\x21\x00\x01\xc0\xf0\x03\x05\x84\x05\x00\x60\x10\x00\x00\x00\x00\x00\x03\x98\x15\xfa\x2c\x53\xc2\x86\x48\x00\x00\x00\xb9\xd9\x56\x62\x53\x7a\x00\xbc\x00\x0c\x00\xf0\xff\x7f\x00\x00\xb4\x00\x60\x00\x33\xd4\x40\x00\x04\x05\x60\x91\x6a\x00\x33\xf4\x36\x31\x30\x12\xda\xfd\x5a\x32\xe2\x73\xfc"..., 252) = 252 [pid 5659] exit_group(0) = ? [pid 5659] +++ exited with 0 +++ [pid 5656] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5659, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5656] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 5656] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5656] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5670 attached , child_tidptr=0x55558871f6d0) = 5670 [pid 5670] set_robust_list(0x55558871f6e0, 24) = 0 [pid 5656] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5670] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5670] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5670] setpgid(0, 0) = 0 [pid 5670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5670] write(3, "1000", 4) = 4 [pid 5670] close(3) = 0 executing program [pid 5670] write(1, "executing program\n", 18) = 18 [pid 5670] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [ 133.034797][ T5659] netlink: 'syz-executor420': attribute type 12 has an invalid length. [pid 5670] 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=74513705, nlmsg_pid=635427836}, "\x06\x00\x00\x00"], iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=MSG_PROBE|MSG_BATCH|MSG_ZEROCOPY|MSG_FASTOPEN}, MSG_DONTROUTE|MSG_NOSIGNAL|MSG_BATCH [pid 5658] kill(-5662, SIGKILL) = 0 [pid 5658] kill(5662, SIGKILL) = 0 [pid 5661] kill(-5664, SIGKILL) = 0 [pid 5657] kill(-5660, SIGKILL [pid 5661] kill(5664, SIGKILL [pid 5657] <... kill resumed>) = 0 [pid 5661] <... kill resumed>) = 0 [pid 5657] kill(5660, SIGKILL) = 0 [pid 5663] kill(-5665, SIGKILL) = 0 [pid 5663] kill(5665, SIGKILL) = 0 [pid 5656] kill(-5670, SIGKILL) = 0 [pid 5656] kill(5670, SIGKILL) = 0 [pid 5663] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5661] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5661] fstat(3 [pid 5663] <... openat resumed>) = 3 [pid 5663] fstat(3 [pid 5661] <... fstat resumed>, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5663] <... fstat resumed>, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5663] getdents64(3, 0x5555887207a0 /* 2 entries */, 32768) = 48 [pid 5661] getdents64(3, 0x5555887207a0 /* 2 entries */, 32768) = 48 [pid 5663] getdents64(3 [pid 5661] getdents64(3 [pid 5663] <... getdents64 resumed>, 0x5555887207a0 /* 0 entries */, 32768) = 0 [pid 5661] <... getdents64 resumed>, 0x5555887207a0 /* 0 entries */, 32768) = 0 [pid 5658] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5657] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5663] close(3 [pid 5661] close(3 [pid 5658] <... openat resumed>) = 3 [pid 5657] <... openat resumed>) = 3 [pid 5663] <... close resumed>) = 0 [pid 5661] <... close resumed>) = 0 [pid 5658] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5657] fstat(3 [pid 5658] getdents64(3 [pid 5657] <... fstat resumed>, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5658] <... getdents64 resumed>, 0x5555887207a0 /* 2 entries */, 32768) = 48 [pid 5657] getdents64(3, 0x5555887207a0 /* 2 entries */, 32768) = 48 [pid 5657] getdents64(3, 0x5555887207a0 /* 0 entries */, 32768) = 0 [pid 5657] close(3) = 0 [pid 5658] getdents64(3, 0x5555887207a0 /* 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, 0x5555887207a0 /* 2 entries */, 32768) = 48 [pid 5656] getdents64(3, 0x5555887207a0 /* 0 entries */, 32768) = 0 [pid 5656] close(3) = 0 [ 286.277810][ T32] INFO: task syz-executor420:5662 blocked for more than 143 seconds. [ 286.277858][ T32] Not tainted syzkaller #0 [ 286.277866][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.277873][ T32] task:syz-executor420 state:D stack:27472 pid:5662 tgid:5662 ppid:5658 task_flags:0x400140 flags:0x00080002 [ 286.277926][ T32] Call Trace: [ 286.277934][ T32] [ 286.277948][ T32] __schedule+0x17db/0x58f0 [ 286.278001][ T32] ? __pfx___schedule+0x10/0x10 [ 286.278022][ T32] ? schedule+0x90/0x2b0 [ 286.278039][ T32] schedule+0x164/0x2b0 [ 286.278056][ T32] schedule_preempt_disabled+0x13/0x30 [ 286.278070][ T32] __mutex_lock+0x7c1/0x1550 [ 286.278091][ T32] ? __mutex_lock+0x5d4/0x1550 [ 286.278110][ T32] ? nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.278134][ T32] ? __pfx___mutex_lock+0x10/0x10 [ 286.278150][ T32] ? __kasan_kmalloc+0x93/0xb0 [ 286.278171][ T32] ? __nla_validate_parse+0x2429/0x2d50 [ 286.278189][ T32] ? do_syscall_64+0x166/0x520 [ 286.278205][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.278225][ T32] nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.278248][ T32] ? __pfx___nla_validate_parse+0x10/0x10 [ 286.278277][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.278296][ T32] ? trace_kmalloc+0x2a/0xf0 [ 286.278321][ T32] ? __kmalloc_noprof+0x38c/0x720 [ 286.278336][ T32] ? __nla_parse+0x40/0x60 [ 286.278356][ T32] ? genl_family_rcv_msg_attrs_parse+0x20b/0x2f0 [ 286.278374][ T32] ? genl_family_rcv_msg_attrs_parse+0x265/0x2f0 [ 286.278397][ T32] genl_family_rcv_msg_doit+0x233/0x340 [ 286.278418][ T32] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 286.278444][ T32] ? bpf_lsm_capable+0x9/0x20 [ 286.278456][ T32] ? security_capable+0x7e/0x2c0 [ 286.278477][ T32] genl_rcv_msg+0x614/0x7a0 [ 286.278498][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.278513][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.278541][ T32] netlink_rcv_skb+0x226/0x4a0 [ 286.278563][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.278580][ T32] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 286.278611][ T32] ? down_read+0x2be/0x330 [ 286.278632][ T32] genl_rcv+0x28/0x40 [ 286.278646][ T32] netlink_unicast+0x7bd/0x940 [ 286.278673][ T32] netlink_sendmsg+0x813/0xb40 [ 286.278701][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.278728][ T32] ? apparmor_socket_sendmsg+0x98/0x360 [ 286.278743][ T32] ? irqentry_exit+0x218/0x910 [ 286.278760][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.278781][ T32] sock_sendmsg_nosec+0x13a/0x180 [ 286.278823][ T32] ____sys_sendmsg+0x54e/0x850 [ 286.278862][ T32] ? __pfx_____sys_sendmsg+0x10/0x10 [ 286.278888][ T32] ? import_iovec+0x73/0xa0 [ 286.278910][ T32] ___sys_sendmsg+0x2a5/0x360 [ 286.278929][ T32] ? __lock_acquire+0x747/0x2de0 [ 286.278947][ T32] ? __pfx____sys_sendmsg+0x10/0x10 [ 286.279002][ T32] __x64_sys_sendmsg+0x1b1/0x290 [ 286.279022][ T32] ? _raw_spin_unlock_irq+0x2e/0x50 [ 286.279038][ T32] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 286.279064][ T32] ? do_user_addr_fault+0xc4c/0x1340 [ 286.279087][ T32] do_syscall_64+0x166/0x520 [ 286.279104][ T32] ? trace_irq_disable+0x3b/0x140 [ 286.279130][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.279145][ T32] ? clear_bhb_loop+0x70/0xc0 [ 286.279163][ T32] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.279178][ T32] RIP: 0033:0x7f96c51ce679 [ 286.279194][ T32] RSP: 002b:00007ffe258bfe08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 286.279209][ T32] RAX: ffffffffffffffda RBX: 0000200000000000 RCX: 00007f96c51ce679 [ 286.279220][ T32] RDX: 0000000000044004 RSI: 0000200000000780 RDI: 0000000000000003 [ 286.279229][ T32] RBP: 00000000000f4240 R08: 0000000000000009 R09: 0000000000000009 [ 286.279238][ T32] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe258bff88 [ 286.279247][ T32] R13: 0000000000000002 R14: 00007ffe258bfe30 R15: 00007ffe258bfe20 [ 286.279268][ T32] [ 286.279274][ T32] INFO: task syz-executor420:5664 blocked for more than 143 seconds. [ 286.279285][ T32] Not tainted syzkaller #0 [ 286.279291][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.279303][ T32] task:syz-executor420 state:D stack:27392 pid:5664 tgid:5664 ppid:5661 task_flags:0x400140 flags:0x00080002 [ 286.279345][ T32] Call Trace: [ 286.279350][ T32] [ 286.279358][ T32] __schedule+0x17db/0x58f0 [ 286.279390][ T32] ? __pfx___schedule+0x10/0x10 [ 286.279411][ T32] ? schedule+0x90/0x2b0 [ 286.279427][ T32] schedule+0x164/0x2b0 [ 286.279443][ T32] schedule_preempt_disabled+0x13/0x30 [ 286.279458][ T32] __mutex_lock+0x7c1/0x1550 [ 286.279478][ T32] ? __mutex_lock+0x5d4/0x1550 [ 286.279497][ T32] ? nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.279516][ T32] ? __pfx___mutex_lock+0x10/0x10 [ 286.279532][ T32] ? __kasan_kmalloc+0x93/0xb0 [ 286.279552][ T32] ? __nla_validate_parse+0x2429/0x2d50 [ 286.279570][ T32] ? do_syscall_64+0x166/0x520 [ 286.279585][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.279605][ T32] nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.279628][ T32] ? __pfx___nla_validate_parse+0x10/0x10 [ 286.279657][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.279675][ T32] ? trace_kmalloc+0x2a/0xf0 [ 286.279699][ T32] ? __kmalloc_noprof+0x38c/0x720 [ 286.279715][ T32] ? __nla_parse+0x40/0x60 [ 286.279735][ T32] ? genl_family_rcv_msg_attrs_parse+0x20b/0x2f0 [ 286.279752][ T32] ? genl_family_rcv_msg_attrs_parse+0x265/0x2f0 [ 286.279774][ T32] genl_family_rcv_msg_doit+0x233/0x340 [ 286.279795][ T32] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 286.279820][ T32] ? bpf_lsm_capable+0x9/0x20 [ 286.279837][ T32] ? security_capable+0x7e/0x2c0 [ 286.279857][ T32] genl_rcv_msg+0x614/0x7a0 [ 286.279878][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.279893][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.279921][ T32] netlink_rcv_skb+0x226/0x4a0 [ 286.279942][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.279959][ T32] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 286.279990][ T32] ? down_read+0x2be/0x330 [ 286.280011][ T32] genl_rcv+0x28/0x40 [ 286.280025][ T32] netlink_unicast+0x7bd/0x940 [ 286.280051][ T32] netlink_sendmsg+0x813/0xb40 [ 286.280079][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.280105][ T32] ? apparmor_socket_sendmsg+0x98/0x360 [ 286.280122][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.280143][ T32] sock_sendmsg_nosec+0x13a/0x180 [ 286.280167][ T32] ____sys_sendmsg+0x54e/0x850 [ 286.280189][ T32] ? __pfx_____sys_sendmsg+0x10/0x10 [ 286.280214][ T32] ? import_iovec+0x73/0xa0 [ 286.280234][ T32] ___sys_sendmsg+0x2a5/0x360 [ 286.280252][ T32] ? __lock_acquire+0x747/0x2de0 [ 286.280269][ T32] ? __pfx____sys_sendmsg+0x10/0x10 [ 286.280320][ T32] __x64_sys_sendmsg+0x1b1/0x290 [ 286.280338][ T32] ? _raw_spin_unlock_irq+0x2e/0x50 [ 286.280353][ T32] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 286.280377][ T32] ? do_user_addr_fault+0xc4c/0x1340 [ 286.280398][ T32] do_syscall_64+0x166/0x520 [ 286.280414][ T32] ? trace_irq_disable+0x3b/0x140 [ 286.280427][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.280442][ T32] ? clear_bhb_loop+0x70/0xc0 [ 286.280459][ T32] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.280474][ T32] RIP: 0033:0x7f96c51ce679 [ 286.280485][ T32] RSP: 002b:00007ffe258bfe08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 286.280499][ T32] RAX: ffffffffffffffda RBX: 0000200000000000 RCX: 00007f96c51ce679 [ 286.280509][ T32] RDX: 0000000000044004 RSI: 0000200000000780 RDI: 0000000000000003 [ 286.280518][ T32] RBP: 00000000000f4240 R08: 0000000000000009 R09: 0000000000000009 [ 286.280527][ T32] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe258bff88 [ 286.280541][ T32] R13: 0000000000000002 R14: 00007ffe258bfe30 R15: 00007ffe258bfe20 [ 286.280562][ T32] [ 286.280568][ T32] INFO: task syz-executor420:5665 blocked for more than 143 seconds. [ 286.280578][ T32] Not tainted syzkaller #0 [ 286.280585][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.280590][ T32] task:syz-executor420 state:D stack:27472 pid:5665 tgid:5665 ppid:5663 task_flags:0x400140 flags:0x00080002 [ 286.280630][ T32] Call Trace: [ 286.280634][ T32] [ 286.280642][ T32] __schedule+0x17db/0x58f0 [ 286.280675][ T32] ? __pfx___schedule+0x10/0x10 [ 286.280695][ T32] ? schedule+0x90/0x2b0 [ 286.280712][ T32] schedule+0x164/0x2b0 [ 286.280727][ T32] schedule_preempt_disabled+0x13/0x30 [ 286.280742][ T32] __mutex_lock+0x7c1/0x1550 [ 286.280762][ T32] ? __mutex_lock+0x5d4/0x1550 [ 286.280781][ T32] ? nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.280800][ T32] ? __pfx___mutex_lock+0x10/0x10 [ 286.280816][ T32] ? __kasan_kmalloc+0x93/0xb0 [ 286.280840][ T32] ? __nla_validate_parse+0x2429/0x2d50 [ 286.280857][ T32] ? do_syscall_64+0x166/0x520 [ 286.280872][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.280893][ T32] nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.280915][ T32] ? __pfx___nla_validate_parse+0x10/0x10 [ 286.280944][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.280963][ T32] ? trace_kmalloc+0x2a/0xf0 [ 286.280987][ T32] ? __kmalloc_noprof+0x38c/0x720 [ 286.281002][ T32] ? __nla_parse+0x40/0x60 [ 286.281033][ T32] ? genl_family_rcv_msg_attrs_parse+0x20b/0x2f0 [ 286.281049][ T32] ? genl_family_rcv_msg_attrs_parse+0x265/0x2f0 [ 286.281069][ T32] genl_family_rcv_msg_doit+0x233/0x340 [ 286.281089][ T32] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 286.281112][ T32] ? bpf_lsm_capable+0x9/0x20 [ 286.281124][ T32] ? security_capable+0x7e/0x2c0 [ 286.281143][ T32] genl_rcv_msg+0x614/0x7a0 [ 286.281162][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.281176][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.281202][ T32] netlink_rcv_skb+0x226/0x4a0 [ 286.281222][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.281238][ T32] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 286.281267][ T32] ? down_read+0x2be/0x330 [ 286.281286][ T32] genl_rcv+0x28/0x40 [ 286.281300][ T32] netlink_unicast+0x7bd/0x940 [ 286.281324][ T32] netlink_sendmsg+0x813/0xb40 [ 286.281350][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.281375][ T32] ? apparmor_socket_sendmsg+0x98/0x360 [ 286.281388][ T32] ? rcu_is_watching+0x16/0xb0 [ 286.281405][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.281425][ T32] sock_sendmsg_nosec+0x13a/0x180 [ 286.281447][ T32] ____sys_sendmsg+0x54e/0x850 [ 286.281468][ T32] ? __pfx_____sys_sendmsg+0x10/0x10 [ 286.281492][ T32] ? import_iovec+0x73/0xa0 [ 286.281510][ T32] ___sys_sendmsg+0x2a5/0x360 [ 286.281527][ T32] ? __lock_acquire+0x747/0x2de0 [ 286.281543][ T32] ? __pfx____sys_sendmsg+0x10/0x10 [ 286.281591][ T32] __x64_sys_sendmsg+0x1b1/0x290 [ 286.281608][ T32] ? _raw_spin_unlock_irq+0x2e/0x50 [ 286.281622][ T32] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 286.281644][ T32] ? do_user_addr_fault+0xc4c/0x1340 [ 286.281664][ T32] do_syscall_64+0x166/0x520 [ 286.281679][ T32] ? trace_irq_disable+0x3b/0x140 [ 286.281692][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.281705][ T32] ? clear_bhb_loop+0x70/0xc0 [ 286.281722][ T32] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.281735][ T32] RIP: 0033:0x7f96c51ce679 [ 286.281746][ T32] RSP: 002b:00007ffe258bfe08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 286.281758][ T32] RAX: ffffffffffffffda RBX: 0000200000000000 RCX: 00007f96c51ce679 [ 286.281768][ T32] RDX: 0000000000044004 RSI: 0000200000000780 RDI: 0000000000000003 [ 286.281776][ T32] RBP: 00000000000f4240 R08: 0000000000000009 R09: 0000000000000009 [ 286.281784][ T32] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe258bff88 [ 286.281793][ T32] R13: 0000000000000002 R14: 00007ffe258bfe30 R15: 00007ffe258bfe20 [ 286.281812][ T32] [ 286.281817][ T32] INFO: task syz-executor420:5670 blocked for more than 143 seconds. [ 286.281826][ T32] Not tainted syzkaller #0 [ 286.281837][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.281843][ T32] task:syz-executor420 state:D stack:27472 pid:5670 tgid:5670 ppid:5656 task_flags:0x400140 flags:0x00080002 [ 286.281897][ T32] Call Trace: [ 286.281902][ T32] [ 286.281910][ T32] __schedule+0x17db/0x58f0 [ 286.281942][ T32] ? __pfx___schedule+0x10/0x10 [ 286.281963][ T32] ? schedule+0x90/0x2b0 [ 286.281979][ T32] schedule+0x164/0x2b0 [ 286.281995][ T32] schedule_preempt_disabled+0x13/0x30 [ 286.282010][ T32] __mutex_lock+0x7c1/0x1550 [ 286.282030][ T32] ? __mutex_lock+0x5d4/0x1550 [ 286.282059][ T32] ? nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.282078][ T32] ? __pfx___mutex_lock+0x10/0x10 [ 286.282092][ T32] ? __kasan_kmalloc+0x93/0xb0 [ 286.282111][ T32] ? __nla_validate_parse+0x2429/0x2d50 [ 286.282127][ T32] ? do_syscall_64+0x166/0x520 [ 286.282141][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.282161][ T32] nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.282181][ T32] ? __pfx___nla_validate_parse+0x10/0x10 [ 286.282208][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.282226][ T32] ? trace_kmalloc+0x2a/0xf0 [ 286.282248][ T32] ? __kmalloc_noprof+0x38c/0x720 [ 286.282262][ T32] ? __nla_parse+0x40/0x60 [ 286.282299][ T32] ? genl_family_rcv_msg_attrs_parse+0x20b/0x2f0 [ 286.282316][ T32] ? genl_family_rcv_msg_attrs_parse+0x265/0x2f0 [ 286.282338][ T32] genl_family_rcv_msg_doit+0x233/0x340 [ 286.282359][ T32] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 286.282384][ T32] ? bpf_lsm_capable+0x9/0x20 [ 286.282396][ T32] ? security_capable+0x7e/0x2c0 [ 286.282416][ T32] genl_rcv_msg+0x614/0x7a0 [ 286.282436][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.282470][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.282500][ T32] netlink_rcv_skb+0x226/0x4a0 [ 286.282523][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.282541][ T32] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 286.282574][ T32] ? down_read+0x2be/0x330 [ 286.282596][ T32] genl_rcv+0x28/0x40 [ 286.282611][ T32] netlink_unicast+0x7bd/0x940 [ 286.282639][ T32] netlink_sendmsg+0x813/0xb40 [ 286.282668][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.282697][ T32] ? apparmor_socket_sendmsg+0x98/0x360 [ 286.282712][ T32] ? rcu_is_watching+0x16/0xb0 [ 286.282731][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.282753][ T32] sock_sendmsg_nosec+0x13a/0x180 [ 286.282779][ T32] ____sys_sendmsg+0x54e/0x850 [ 286.282803][ T32] ? __pfx_____sys_sendmsg+0x10/0x10 [ 286.282833][ T32] ? import_iovec+0x73/0xa0 [ 286.282854][ T32] ___sys_sendmsg+0x2a5/0x360 [ 286.282874][ T32] ? __lock_acquire+0x747/0x2de0 [ 286.282892][ T32] ? __pfx____sys_sendmsg+0x10/0x10 [ 286.282947][ T32] __x64_sys_sendmsg+0x1b1/0x290 [ 286.282966][ T32] ? _raw_spin_unlock_irq+0x2e/0x50 [ 286.282982][ T32] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 286.283008][ T32] ? do_user_addr_fault+0xc4c/0x1340 [ 286.283031][ T32] do_syscall_64+0x166/0x520 [ 286.283047][ T32] ? trace_irq_disable+0x3b/0x140 [ 286.283062][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.283077][ T32] ? clear_bhb_loop+0x70/0xc0 [ 286.283096][ T32] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.283111][ T32] RIP: 0033:0x7f96c51ce679 [ 286.283123][ T32] RSP: 002b:00007ffe258bfe08 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 286.283137][ T32] RAX: ffffffffffffffda RBX: 0000200000000000 RCX: 00007f96c51ce679 [ 286.283148][ T32] RDX: 0000000000044004 RSI: 0000200000000780 RDI: 0000000000000003 [ 286.283158][ T32] RBP: 00000000000f4240 R08: 0000000000000009 R09: 0000000000000009 [ 286.283167][ T32] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000020716 [ 286.283176][ T32] R13: 00007ffe258bfe1c R14: 00007ffe258bfe30 R15: 00007ffe258bfe20 [ 286.283199][ T32] [ 286.283209][ T32] [ 286.283209][ T32] Showing all locks held in the system: [ 286.283218][ T32] locks held by khungtaskd/32: 1, last CPU#0: [ 286.283229][ T32] #0: ffffffff8ed5c8a0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 [ 286.283285][ T32] locks held by kworker/u8:11/3320: 2, on CPU#1: [ 286.283296][ T32] #0: ffff88801b0ac140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 [ 286.283339][ T32] #1: ffffc9000f1c7c40 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 [ 286.283382][ T32] locks held by getty/5374: 2, on CPU#0: [ 286.283392][ T32] #0: ffff8880361280a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 286.283437][ T32] #1: ffffc900032332e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45a/0x1360 [ 286.283476][ T32] locks held by syz-executor420/5660: 2, on CPU#1: [ 286.283486][ T32] #0: ffffffff902c3628 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 286.283522][ T32] #1: ffffffff8f09f500 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.283563][ T32] locks held by syz-executor420/5662: 2, on CPU#0: [ 286.283573][ T32] #0: ffffffff902c3628 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 286.283609][ T32] #1: ffffffff8f09f500 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.283649][ T32] locks held by syz-executor420/5664: 2, on CPU#1: [ 286.283659][ T32] #0: ffffffff902c3628 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 286.283704][ T32] #1: ffffffff8f09f500 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.283742][ T32] locks held by syz-executor420/5665: 2, on CPU#0: [ 286.283751][ T32] #0: ffffffff902c3628 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 286.283785][ T32] #1: ffffffff8f09f500 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.283821][ T32] locks held by syz-executor420/5670: 2, on CPU#1: [ 286.283835][ T32] #0: ffffffff902c3628 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 286.283869][ T32] #1: ffffffff8f09f500 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.283906][ T32] [ 286.283910][ T32] ============================================= [ 286.283910][ T32] [ 286.283917][ T32] NMI backtrace for cpu 0 [ 286.283931][ T32] CPU: 0 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 286.283946][ T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 286.283953][ T32] Call Trace: [ 286.283959][ T32] [ 286.283964][ T32] dump_stack_lvl+0xe8/0x150 [ 286.283986][ T32] nmi_cpu_backtrace+0x274/0x2d0 [ 286.284008][ T32] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 286.284036][ T32] nmi_trigger_cpumask_backtrace+0x17d/0x390 [ 286.284060][ T32] sys_info+0x135/0x170 [ 286.284079][ T32] watchdog+0xfd7/0x1030 [ 286.284098][ T32] ? watchdog+0x1c7/0x1030 [ 286.284116][ T32] kthread+0x38b/0x480 [ 286.284130][ T32] ? __pfx_watchdog+0x10/0x10 [ 286.284142][ T32] ? __pfx_kthread+0x10/0x10 [ 286.284156][ T32] ret_from_fork+0x514/0xb70 [ 286.284171][ T32] ? __pfx_ret_from_fork+0x10/0x10 [ 286.284194][ T32] ? __switch_to+0xc89/0x1420 [ 286.284215][ T32] ? __pfx_kthread+0x10/0x10 [ 286.284229][ T32] ret_from_fork_asm+0x1a/0x30 [ 286.284261][ T32] [ 286.284266][ T32] Sending NMI from CPU 0 to CPUs 1: [ 286.284314][ C1] NMI backtrace for cpu 1 [ 286.284327][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 PREEMPT(full) [ 286.284357][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 286.284367][ C1] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 286.284388][ C1] Code: 5c 8f 02 c3 cc cc cc cc 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 51 24 00 fb f4 8c 08 03 00 cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 [ 286.284403][ C1] RSP: 0018:ffffc900001a7e40 EFLAGS: 00000246 [ 286.284418][ C1] RAX: 00000000000632af RBX: ffffffff819badbc RCX: 8000000000000001 [ 286.284431][ C1] RDX: 0000000000000001 RSI: ffffffff8e476a37 RDI: ffffffff8c6d9c80 [ 286.284443][ C1] RBP: ffffc900001a7f10 R08: ffff8880b8733a1b R09: 1ffff110170e6743 [ 286.284456][ C1] R10: dffffc0000000000 R11: ffffed10170e6744 R12: 0000000000000000 [ 286.284468][ C1] R13: 1ffff11003cd1bb8 R14: 1ffff92000034fd0 R15: dffffc0000000000 [ 286.284481][ C1] FS: 0000000000000000(0000) GS:ffff888124dd1000(0000) knlGS:0000000000000000 [ 286.284495][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 286.284507][ C1] CR2: 0000557a1849f660 CR3: 000000000eb48000 CR4: 00000000003526f0 [ 286.284522][ C1] Call Trace: [ 286.284528][ C1] [ 286.284534][ C1] default_idle+0x9/0x20 [ 286.284555][ C1] default_idle_call+0x72/0xb0 [ 286.284577][ C1] do_idle+0x1cc/0x540 [ 286.284604][ C1] ? __pfx_do_idle+0x10/0x10 [ 286.284633][ C1] cpu_startup_entry+0x43/0x60 [ 286.284649][ C1] start_secondary+0x101/0x110 [ 286.284674][ C1] common_startup_64+0x13e/0x157 [ 286.284703][ C1] [ 286.285331][ T32] Kernel panic - not syncing: hung_task: blocked tasks [ 288.275838][ T32] CPU: 0 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 288.284969][ T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 288.295140][ T32] Call Trace: [ 288.298447][ T32] [ 288.301399][ T32] vpanic+0x56d/0xa60 [ 288.305417][ T32] ? __pfx_vpanic+0x10/0x10 [ 288.309962][ T32] ? console_srcu_read_unlock+0x3a/0x60 [ 288.315536][ T32] panic+0xc5/0xd0 [ 288.319283][ T32] ? __pfx_panic+0x10/0x10 [ 288.323753][ T32] ? wq_watchdog_touch+0xf9/0x160 [ 288.328802][ T32] ? nmi_trigger_cpumask_backtrace+0x24d/0x390 [ 288.334994][ T32] watchdog+0x1030/0x1030 [ 288.339352][ T32] ? watchdog+0x1c7/0x1030 [ 288.343790][ T32] kthread+0x38b/0x480 [ 288.347877][ T32] ? __pfx_watchdog+0x10/0x10 [ 288.352601][ T32] ? __pfx_kthread+0x10/0x10 [ 288.357214][ T32] ret_from_fork+0x514/0xb70 [ 288.361835][ T32] ? __pfx_ret_from_fork+0x10/0x10 [ 288.367497][ T32] ? __switch_to+0xc89/0x1420 [ 288.372205][ T32] ? __pfx_kthread+0x10/0x10 [ 288.376815][ T32] ret_from_fork_asm+0x1a/0x30 [ 288.381619][ T32] [ 288.385306][ T32] Kernel Offset: disabled [ 288.389726][ T32] Rebooting in 86400 seconds..