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-executor3893919053 <...> Warning: Permanently added '10.128.0.128' (ED25519) to the list of known hosts. execve("ci-upstream-net-this-kasan-gce/syz-executor3893919053", ["ci-upstream-net-this-kasan-gce/syz-executor3893919053"], 0x7ffeb8f6d760 /* 10 vars */) = 0 brk(NULL) = 0x5555835de000 brk(0x5555835ded80) = 0x5555835ded80 arch_prctl(ARCH_SET_FS, 0x5555835de400) = 0 set_tid_address(0x5555835de6d0) = 5655 set_robust_list(0x5555835de6e0, 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-executor3893919053", 4096) = 59 getrandom("\x1a\x91\x35\x27\x14\xd5\x9f\xb8", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555835ded80 brk(0x5555835ffd80) = 0x5555835ffd80 brk(0x555583600000) = 0x555583600000 mprotect(0x7f9512e20000, 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 , child_tidptr=0x5555835de6d0) = 5656 [pid 5655] rt_sigprocmask(SIG_SETMASK, [] [pid 5656] set_robust_list(0x5555835de6e0, 24 [pid 5655] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5656] <... set_robust_list resumed>) = 0 [pid 5656] rt_sigprocmask(SIG_SETMASK, [] [pid 5655] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5656] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5655] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5656] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5657 attached [pid 5655] <... clone resumed>, child_tidptr=0x5555835de6d0) = 5657 [pid 5657] set_robust_list(0x5555835de6e0, 24 [pid 5656] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5655] rt_sigprocmask(SIG_SETMASK, [] [pid 5657] <... set_robust_list resumed>) = 0 [pid 5657] rt_sigprocmask(SIG_SETMASK, []ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5658 attached [pid 5655] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5657] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5655] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5658] set_robust_list(0x5555835de6e0, 24 [pid 5657] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5655] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5656] <... clone resumed>, child_tidptr=0x5555835de6d0) = 5658 [pid 5655] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5658] <... set_robust_list resumed>) = 0 [pid 5657] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5656] rt_sigprocmask(SIG_SETMASK, [] [pid 5658] rt_sigprocmask(SIG_SETMASK, []ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5659 attached , NULL, 8) = 0 [pid 5657] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5656] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5655] <... clone resumed>, child_tidptr=0x5555835de6d0) = 5659 [pid 5659] set_robust_list(0x5555835de6e0, 24 [pid 5658] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5655] rt_sigprocmask(SIG_SETMASK, [] [pid 5659] <... set_robust_list resumed>) = 0 [pid 5658] <... prctl resumed>) = 0 [pid 5655] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5659] rt_sigprocmask(SIG_SETMASK, [] [pid 5658] setpgid(0, 0ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5660 attached [pid 5655] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5660] set_robust_list(0x5555835de6e0, 24 [pid 5659] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5658] <... setpgid resumed>) = 0 [pid 5657] <... clone resumed>, child_tidptr=0x5555835de6d0) = 5660 [pid 5655] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5660] <... set_robust_list resumed>) = 0 [pid 5660] rt_sigprocmask(SIG_SETMASK, [] [pid 5659] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5660] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5660] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5661 attached [pid 5659] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5658] <... openat resumed>) = 3 [pid 5657] rt_sigprocmask(SIG_SETMASK, [] [pid 5655] <... clone resumed>, child_tidptr=0x5555835de6d0) = 5661 [pid 5657] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5658] write(3, "1000", 4 [pid 5661] set_robust_list(0x5555835de6e0, 24 [pid 5660] setpgid(0, 0 [pid 5659] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5658] <... write resumed>) = 4 [pid 5655] rt_sigprocmask(SIG_SETMASK, [] [pid 5661] <... set_robust_list resumed>) = 0 [pid 5660] <... setpgid resumed>) = 0 [pid 5658] close(3 [pid 5655] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5658] <... close resumed>) = 0 [pid 5661] rt_sigprocmask(SIG_SETMASK, [] [pid 5655] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5658] write(1, "executing program\n", 18 [pid 5655] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 5660] <... openat resumed>) = 3 [pid 5658] <... write resumed>) = 18 [pid 5655] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5661] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5658] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5661] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5659] <... clone resumed>, child_tidptr=0x5555835de6d0) = 5662 ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5662 attached [pid 5661] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5663 attached [pid 5660] write(3, "1000", 4 [pid 5659] rt_sigprocmask(SIG_SETMASK, [] [pid 5658] <... socket resumed>) = 3 [pid 5662] set_robust_list(0x5555835de6e0, 24 [pid 5659] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5663] set_robust_list(0x5555835de6e0, 24 [pid 5658] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=[{nlmsg_len=20, nlmsg_type=0x29 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST, nlmsg_seq=7388455, nlmsg_pid=635427838}, "\x06\x00\x00\x00"], iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=MSG_DONTROUTE|MSG_CTRUNC|MSG_PROBE|MSG_DONTWAIT|MSG_CONFIRM|MSG_NOSIGNAL|MSG_MORE|MSG_BATCH|MSG_SOCK_DEVMEM|MSG_FASTOPEN}, MSG_BATCH|MSG_FASTOPENci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5664 attached [pid 5655] <... clone resumed>, child_tidptr=0x5555835de6d0) = 5663 [pid 5663] <... set_robust_list resumed>) = 0 [pid 5662] <... set_robust_list resumed>) = 0 [pid 5660] <... write resumed>) = 4 [pid 5655] rt_sigprocmask(SIG_SETMASK, [] [pid 5664] set_robust_list(0x5555835de6e0, 24 [pid 5663] rt_sigprocmask(SIG_SETMASK, [] [pid 5662] rt_sigprocmask(SIG_SETMASK, [] [pid 5660] close(3 [pid 5655] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5664] <... set_robust_list resumed>) = 0 [pid 5663] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5662] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5661] <... clone resumed>, child_tidptr=0x5555835de6d0) = 5664 [pid 5660] <... close resumed>) = 0 [pid 5661] rt_sigprocmask(SIG_SETMASK, [] [pid 5663] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5662] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5664] rt_sigprocmask(SIG_SETMASK, [] [pid 5661] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 5660] write(1, "executing program\n", 18 [pid 5664] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5663] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5662] <... prctl resumed>) = 0 [pid 5660] <... write resumed>) = 18 [pid 5664] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5663] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5662] setpgid(0, 0) = 0 [pid 5660] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5664] <... prctl resumed>) = 0 [pid 5662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5664] setpgid(0, 0 [pid 5662] <... openat resumed>) = 3 [pid 5660] <... socket resumed>) = 3 ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5665 attached [pid 5664] <... setpgid resumed>) = 0 [pid 5662] write(3, "1000", 4 [pid 5660] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=[{nlmsg_len=20, nlmsg_type=0x29 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST, nlmsg_seq=7388455, nlmsg_pid=635427838}, "\x06\x00\x00\x00"], iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=MSG_DONTROUTE|MSG_CTRUNC|MSG_PROBE|MSG_DONTWAIT|MSG_CONFIRM|MSG_NOSIGNAL|MSG_MORE|MSG_BATCH|MSG_SOCK_DEVMEM|MSG_FASTOPEN}, MSG_BATCH|MSG_FASTOPEN [pid 5665] set_robust_list(0x5555835de6e0, 24 [pid 5664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5663] <... clone resumed>, child_tidptr=0x5555835de6d0) = 5665 [pid 5662] <... write resumed>) = 4 [pid 5665] <... set_robust_list resumed>) = 0 [pid 5664] <... openat resumed>) = 3 [pid 5663] rt_sigprocmask(SIG_SETMASK, [] [pid 5662] close(3 [pid 5663] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5662] <... close resumed>) = 0 [pid 5665] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5665] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5664] write(3, "1000", 4 [pid 5662] write(1, "executing program\n", 18 [pid 5664] <... write resumed>) = 4 [pid 5664] close(3 [pid 5662] <... write resumed>) = 18 [pid 5664] <... close resumed>) = 0 [pid 5662] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5664] write(1, "executing program\n", 18 [pid 5662] <... socket resumed>) = 3 executing program executing program [pid 5664] <... write resumed>) = 18 [pid 5662] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=[{nlmsg_len=20, nlmsg_type=0x29 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST, nlmsg_seq=7388455, nlmsg_pid=635427838}, "\x06\x00\x00\x00"], iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=MSG_DONTROUTE|MSG_CTRUNC|MSG_PROBE|MSG_DONTWAIT|MSG_CONFIRM|MSG_NOSIGNAL|MSG_MORE|MSG_BATCH|MSG_SOCK_DEVMEM|MSG_FASTOPEN}, MSG_BATCH|MSG_FASTOPEN [pid 5665] <... prctl resumed>) = 0 [pid 5664] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5665] setpgid(0, 0 [pid 5664] <... socket resumed>) = 3 [pid 5664] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=[{nlmsg_len=20, nlmsg_type=0x29 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST, nlmsg_seq=7388455, nlmsg_pid=635427838}, "\x06\x00\x00\x00"], iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=MSG_DONTROUTE|MSG_CTRUNC|MSG_PROBE|MSG_DONTWAIT|MSG_CONFIRM|MSG_NOSIGNAL|MSG_MORE|MSG_BATCH|MSG_SOCK_DEVMEM|MSG_FASTOPEN}, MSG_BATCH|MSG_FASTOPEN [pid 5665] <... setpgid resumed>) = 0 [pid 5658] <... sendmsg resumed>) = 20 [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=0x29 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST, nlmsg_seq=7388455, nlmsg_pid=635427838}, "\x06\x00\x00\x00"], iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=MSG_DONTROUTE|MSG_CTRUNC|MSG_PROBE|MSG_DONTWAIT|MSG_CONFIRM|MSG_NOSIGNAL|MSG_MORE|MSG_BATCH|MSG_SOCK_DEVMEM|MSG_FASTOPEN}, MSG_BATCH|MSG_FASTOPEN [pid 5658] socket(AF_NETLINK, SOCK_DGRAM, 0) = 4 [pid 5658] 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 5658] exit_group(0) = ? [pid 5658] +++ exited with 0 +++ [pid 5656] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5658, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 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 5669 attached [pid 5669] set_robust_list(0x5555835de6e0, 24 [pid 5656] <... clone resumed>, child_tidptr=0x5555835de6d0) = 5669 [pid 5669] <... set_robust_list resumed>) = 0 [pid 5656] rt_sigprocmask(SIG_SETMASK, [] [pid 5669] rt_sigprocmask(SIG_SETMASK, [] [pid 5656] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5669] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5669] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5669] setpgid(0, 0) = 0 [pid 5669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5669] write(3, "1000", 4) = 4 [ 108.476701][ T5658] netlink: 'syz-executor389': attribute type 12 has an invalid length. [pid 5669] close(3) = 0 [pid 5669] write(1, "executing program\n", 18) = 18 executing program [pid 5669] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 5669] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=[{nlmsg_len=20, nlmsg_type=0x29 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST, nlmsg_seq=7388455, nlmsg_pid=635427838}, "\x06\x00\x00\x00"], iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=MSG_DONTROUTE|MSG_CTRUNC|MSG_PROBE|MSG_DONTWAIT|MSG_CONFIRM|MSG_NOSIGNAL|MSG_MORE|MSG_BATCH|MSG_SOCK_DEVMEM|MSG_FASTOPEN}, MSG_BATCH|MSG_FASTOPEN [pid 5657] kill(-5660, SIGKILL) = 0 [pid 5657] kill(5660, SIGKILL) = 0 [pid 5659] kill(-5662, SIGKILL) = 0 [pid 5659] kill(5662, SIGKILL) = 0 [pid 5661] kill(-5664, SIGKILL) = 0 [pid 5661] kill(5664, SIGKILL) = 0 [pid 5663] kill(-5665, SIGKILL) = 0 [pid 5663] kill(5665, SIGKILL) = 0 [pid 5656] kill(-5669, SIGKILL) = 0 [pid 5656] kill(5669, SIGKILL) = 0 [pid 5657] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5657] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5657] getdents64(3, 0x5555835df7a0 /* 2 entries */, 32768) = 48 [pid 5657] getdents64(3, 0x5555835df7a0 /* 0 entries */, 32768) = 0 [pid 5657] close(3) = 0 [pid 5659] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5659] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5659] getdents64(3, 0x5555835df7a0 /* 2 entries */, 32768) = 48 [pid 5659] getdents64(3, 0x5555835df7a0 /* 0 entries */, 32768) = 0 [pid 5659] close(3) = 0 [pid 5661] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5661] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5661] getdents64(3, 0x5555835df7a0 /* 2 entries */, 32768) = 48 [pid 5661] getdents64(3, 0x5555835df7a0 /* 0 entries */, 32768) = 0 [pid 5661] close(3) = 0 [pid 5663] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5663] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5663] getdents64(3, 0x5555835df7a0 /* 2 entries */, 32768) = 48 [pid 5663] getdents64(3, 0x5555835df7a0 /* 0 entries */, 32768) = 0 [pid 5663] 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, 0x5555835df7a0 /* 2 entries */, 32768) = 48 [pid 5656] getdents64(3, 0x5555835df7a0 /* 0 entries */, 32768) = 0 [pid 5656] close(3) = 0 [ 292.154154][ T32] INFO: task syz-executor389:5662 blocked for more than 143 seconds. [ 292.154211][ T32] Not tainted syzkaller #0 [ 292.154220][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 292.154232][ T32] task:syz-executor389 state:D stack:27288 pid:5662 tgid:5662 ppid:5659 task_flags:0x400140 flags:0x00080002 [ 292.154299][ T32] Call Trace: [ 292.154307][ T32] [ 292.154323][ T32] __schedule+0x17dd/0x5820 [ 292.154388][ T32] ? __pfx___schedule+0x10/0x10 [ 292.154421][ T32] ? schedule+0x90/0x2b0 [ 292.154448][ T32] schedule+0x164/0x2b0 [ 292.154476][ T32] schedule_preempt_disabled+0x13/0x30 [ 292.154513][ T32] __mutex_lock+0x7c4/0x15a0 [ 292.154534][ T32] ? __mutex_lock+0x5cd/0x15a0 [ 292.154555][ T32] ? nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 292.154576][ T32] ? __pfx___mutex_lock+0x10/0x10 [ 292.154592][ T32] ? __kasan_kmalloc+0x93/0xb0 [ 292.154621][ T32] ? __nla_validate_parse+0x2429/0x2d50 [ 292.154638][ T32] ? do_syscall_64+0x166/0x520 [ 292.154653][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 292.154681][ T32] nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 292.154704][ T32] ? __pfx___nla_validate_parse+0x10/0x10 [ 292.154734][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 292.154752][ T32] ? trace_kmalloc+0x2a/0xf0 [ 292.154775][ T32] ? __kmalloc_noprof+0x387/0x710 [ 292.154797][ T32] ? __nla_parse+0x40/0x60 [ 292.154816][ T32] ? genl_family_rcv_msg_attrs_parse+0x20b/0x2f0 [ 292.154834][ T32] ? genl_family_rcv_msg_attrs_parse+0x265/0x2f0 [ 292.154856][ T32] genl_family_rcv_msg_doit+0x233/0x340 [ 292.154879][ T32] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 292.154905][ T32] ? bpf_lsm_capable+0x9/0x20 [ 292.154925][ T32] ? security_capable+0x7e/0x2c0 [ 292.154952][ T32] genl_rcv_msg+0x614/0x7a0 [ 292.154994][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 292.155019][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 292.155048][ T32] netlink_rcv_skb+0x226/0x4a0 [ 292.155070][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 292.155097][ T32] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 292.155129][ T32] ? down_read+0x2b9/0x320 [ 292.155151][ T32] genl_rcv+0x28/0x40 [ 292.155175][ T32] netlink_unicast+0x8ef/0xa80 [ 292.155207][ T32] netlink_sendmsg+0x7f0/0xb20 [ 292.155234][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 292.155258][ T32] ? aa_sock_msg_perm+0x144/0x210 [ 292.155284][ T32] ? apparmor_socket_sendmsg+0x18b/0x360 [ 292.155300][ T32] ? rcu_is_watching+0x16/0xb0 [ 292.155324][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 292.155345][ T32] sock_sendmsg_nosec+0x14e/0x190 [ 292.155369][ T32] ____sys_sendmsg+0x54e/0x850 [ 292.155400][ T32] ? __pfx_____sys_sendmsg+0x10/0x10 [ 292.155432][ T32] ? import_iovec+0x73/0xa0 [ 292.155460][ T32] ___sys_sendmsg+0x2a5/0x360 [ 292.155488][ T32] ? __lock_acquire+0x747/0x2de0 [ 292.155509][ T32] ? __pfx____sys_sendmsg+0x10/0x10 [ 292.155573][ T32] __x64_sys_sendmsg+0x1b1/0x290 [ 292.155588][ T32] ? _raw_spin_unlock_irq+0x2e/0x50 [ 292.155614][ T32] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 292.155665][ T32] do_syscall_64+0x166/0x520 [ 292.155682][ T32] ? trace_irq_disable+0x3b/0x140 [ 292.155705][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 292.155722][ T32] ? clear_bhb_loop+0x70/0xc0 [ 292.155742][ T32] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 292.155759][ T32] RIP: 0033:0x7f9512d8d639 [ 292.155778][ T32] RSP: 002b:00007fff45affba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 292.155796][ T32] RAX: ffffffffffffffda RBX: 00002000000004c0 RCX: 00007f9512d8d639 [ 292.155808][ T32] RDX: 0000000020040000 RSI: 0000200000000200 RDI: 0000000000000003 [ 292.155818][ T32] RBP: 00000000000f4240 R08: 0000000000000009 R09: 0000000000000009 [ 292.155828][ T32] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff45affd28 [ 292.155846][ T32] R13: 0000000000000002 R14: 00007fff45affbd0 R15: 00007fff45affbc0 [ 292.155871][ T32] [ 292.155878][ T32] INFO: task syz-executor389:5664 blocked for more than 143 seconds. [ 292.155890][ T32] Not tainted syzkaller #0 [ 292.155898][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 292.155905][ T32] task:syz-executor389 state:D stack:27408 pid:5664 tgid:5664 ppid:5661 task_flags:0x400140 flags:0x00080002 [ 292.155955][ T32] Call Trace: [ 292.155960][ T32] [ 292.155974][ T32] __schedule+0x17dd/0x5820 [ 292.156028][ T32] ? __pfx___schedule+0x10/0x10 [ 292.156064][ T32] ? schedule+0x90/0x2b0 [ 292.156091][ T32] schedule+0x164/0x2b0 [ 292.156117][ T32] schedule_preempt_disabled+0x13/0x30 [ 292.156142][ T32] __mutex_lock+0x7c4/0x15a0 [ 292.156161][ T32] ? __mutex_lock+0x5cd/0x15a0 [ 292.156181][ T32] ? nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 292.156201][ T32] ? __pfx___mutex_lock+0x10/0x10 [ 292.156216][ T32] ? __kasan_kmalloc+0x93/0xb0 [ 292.156244][ T32] ? __nla_validate_parse+0x2429/0x2d50 [ 292.156260][ T32] ? do_syscall_64+0x166/0x520 [ 292.156275][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 292.156298][ T32] nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 292.156321][ T32] ? __pfx___nla_validate_parse+0x10/0x10 [ 292.156350][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 292.156369][ T32] ? trace_kmalloc+0x2a/0xf0 [ 292.156391][ T32] ? __kmalloc_noprof+0x387/0x710 [ 292.156413][ T32] ? __nla_parse+0x40/0x60 [ 292.156432][ T32] ? genl_family_rcv_msg_attrs_parse+0x20b/0x2f0 [ 292.156448][ T32] ? genl_family_rcv_msg_attrs_parse+0x265/0x2f0 [ 292.156473][ T32] genl_family_rcv_msg_doit+0x233/0x340 [ 292.156494][ T32] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 292.156520][ T32] ? bpf_lsm_capable+0x9/0x20 [ 292.156538][ T32] ? security_capable+0x7e/0x2c0 [ 292.156562][ T32] genl_rcv_msg+0x614/0x7a0 [ 292.156592][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 292.156617][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 292.156646][ T32] netlink_rcv_skb+0x226/0x4a0 [ 292.156667][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 292.156694][ T32] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 292.156726][ T32] ? down_read+0x2b9/0x320 [ 292.156747][ T32] genl_rcv+0x28/0x40 [ 292.156770][ T32] netlink_unicast+0x8ef/0xa80 [ 292.156807][ T32] netlink_sendmsg+0x7f0/0xb20 [ 292.156834][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 292.156858][ T32] ? aa_sock_msg_perm+0x144/0x210 [ 292.156881][ T32] ? apparmor_socket_sendmsg+0x18b/0x360 [ 292.156898][ T32] ? rcu_is_watching+0x16/0xb0 [ 292.156921][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 292.156941][ T32] sock_sendmsg_nosec+0x14e/0x190 [ 292.156963][ T32] ____sys_sendmsg+0x54e/0x850 [ 292.156999][ T32] ? __pfx_____sys_sendmsg+0x10/0x10 [ 292.157031][ T32] ? import_iovec+0x73/0xa0 [ 292.157058][ T32] ___sys_sendmsg+0x2a5/0x360 [ 292.157083][ T32] ? __lock_acquire+0x747/0x2de0 [ 292.157103][ T32] ? __pfx____sys_sendmsg+0x10/0x10 [ 292.157167][ T32] __x64_sys_sendmsg+0x1b1/0x290 [ 292.157182][ T32] ? _raw_spin_unlock_irq+0x2e/0x50 [ 292.157207][ T32] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 292.157249][ T32] do_syscall_64+0x166/0x520 [ 292.157264][ T32] ? trace_irq_disable+0x3b/0x140 [ 292.157283][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 292.157299][ T32] ? clear_bhb_loop+0x70/0xc0 [ 292.157319][ T32] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 292.157335][ T32] RIP: 0033:0x7f9512d8d639 [ 292.157348][ T32] RSP: 002b:00007fff45affba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 292.157363][ T32] RAX: ffffffffffffffda RBX: 00002000000004c0 RCX: 00007f9512d8d639 [ 292.157375][ T32] RDX: 0000000020040000 RSI: 0000200000000200 RDI: 0000000000000003 [ 292.157386][ T32] RBP: 00000000000f4240 R08: 0000000000000009 R09: 0000000000000009 [ 292.157395][ T32] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff45affd28 [ 292.157406][ T32] R13: 0000000000000002 R14: 00007fff45affbd0 R15: 00007fff45affbc0 [ 292.157430][ T32] [ 292.157436][ T32] INFO: task syz-executor389:5665 blocked for more than 143 seconds. [ 292.157447][ T32] Not tainted syzkaller #0 [ 292.157455][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 292.157462][ T32] task:syz-executor389 state:D stack:27408 pid:5665 tgid:5665 ppid:5663 task_flags:0x400140 flags:0x00080002 [ 292.157511][ T32] Call Trace: [ 292.157516][ T32] [ 292.157525][ T32] __schedule+0x17dd/0x5820 [ 292.157569][ T32] ? __pfx___schedule+0x10/0x10 [ 292.157599][ T32] ? schedule+0x90/0x2b0 [ 292.157624][ T32] schedule+0x164/0x2b0 [ 292.157649][ T32] schedule_preempt_disabled+0x13/0x30 [ 292.157671][ T32] __mutex_lock+0x7c4/0x15a0 [ 292.157690][ T32] ? __mutex_lock+0x5cd/0x15a0 [ 292.157710][ T32] ? nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 292.157728][ T32] ? __pfx___mutex_lock+0x10/0x10 [ 292.157743][ T32] ? __kasan_kmalloc+0x93/0xb0 [ 292.157770][ T32] ? __nla_validate_parse+0x2429/0x2d50 [ 292.157785][ T32] ? do_syscall_64+0x166/0x520 [ 292.157799][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 292.157822][ T32] nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 292.157844][ T32] ? __pfx___nla_validate_parse+0x10/0x10 [ 292.157873][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 292.157890][ T32] ? trace_kmalloc+0x2a/0xf0 [ 292.157911][ T32] ? __kmalloc_noprof+0x387/0x710 [ 292.157933][ T32] ? __nla_parse+0x40/0x60 [ 292.157951][ T32] ? genl_family_rcv_msg_attrs_parse+0x20b/0x2f0 [ 292.157973][ T32] ? genl_family_rcv_msg_attrs_parse+0x265/0x2f0 [ 292.157996][ T32] genl_family_rcv_msg_doit+0x233/0x340 [ 292.158017][ T32] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 292.158042][ T32] ? bpf_lsm_capable+0x9/0x20 [ 292.158061][ T32] ? security_capable+0x7e/0x2c0 [ 292.158084][ T32] genl_rcv_msg+0x614/0x7a0 [ 292.158114][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 292.158139][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 292.158168][ T32] netlink_rcv_skb+0x226/0x4a0 [ 292.158189][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 292.158216][ T32] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 292.158248][ T32] ? down_read+0x2b9/0x320 [ 292.158269][ T32] genl_rcv+0x28/0x40 [ 292.158292][ T32] netlink_unicast+0x8ef/0xa80 [ 292.158323][ T32] netlink_sendmsg+0x7f0/0xb20 [ 292.158349][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 292.158373][ T32] ? aa_sock_msg_perm+0x144/0x210 [ 292.158397][ T32] ? apparmor_socket_sendmsg+0x18b/0x360 [ 292.158414][ T32] ? rcu_is_watching+0x16/0xb0 [ 292.158437][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 292.158457][ T32] sock_sendmsg_nosec+0x14e/0x190 [ 292.158482][ T32] ____sys_sendmsg+0x54e/0x850 [ 292.158513][ T32] ? __pfx_____sys_sendmsg+0x10/0x10 [ 292.158545][ T32] ? import_iovec+0x73/0xa0 [ 292.158572][ T32] ___sys_sendmsg+0x2a5/0x360 [ 292.158597][ T32] ? __lock_acquire+0x747/0x2de0 [ 292.158617][ T32] ? __pfx____sys_sendmsg+0x10/0x10 [ 292.158681][ T32] __x64_sys_sendmsg+0x1b1/0x290 [ 292.158696][ T32] ? _raw_spin_unlock_irq+0x2e/0x50 [ 292.158721][ T32] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 292.158763][ T32] do_syscall_64+0x166/0x520 [ 292.158778][ T32] ? trace_irq_disable+0x3b/0x140 [ 292.158797][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 292.158813][ T32] ? clear_bhb_loop+0x70/0xc0 [ 292.158833][ T32] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 292.158849][ T32] RIP: 0033:0x7f9512d8d639 [ 292.158861][ T32] RSP: 002b:00007fff45affba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 292.158877][ T32] RAX: ffffffffffffffda RBX: 00002000000004c0 RCX: 00007f9512d8d639 [ 292.158889][ T32] RDX: 0000000020040000 RSI: 0000200000000200 RDI: 0000000000000003 [ 292.158899][ T32] RBP: 00000000000f4240 R08: 0000000000000009 R09: 0000000000000009 [ 292.158909][ T32] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff45affd28 [ 292.158919][ T32] R13: 0000000000000002 R14: 00007fff45affbd0 R15: 00007fff45affbc0 [ 292.158943][ T32] [ 292.158950][ T32] INFO: task syz-executor389:5669 blocked for more than 143 seconds. [ 292.158961][ T32] Not tainted syzkaller #0 [ 292.158975][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 292.158982][ T32] task:syz-executor389 state:D stack:27304 pid:5669 tgid:5669 ppid:5656 task_flags:0x400140 flags:0x00080002 [ 292.159030][ T32] Call Trace: [ 292.159035][ T32] [ 292.159044][ T32] __schedule+0x17dd/0x5820 [ 292.159090][ T32] ? __pfx___schedule+0x10/0x10 [ 292.159121][ T32] ? schedule+0x90/0x2b0 [ 292.159147][ T32] schedule+0x164/0x2b0 [ 292.159173][ T32] schedule_preempt_disabled+0x13/0x30 [ 292.159197][ T32] __mutex_lock+0x7c4/0x15a0 [ 292.159217][ T32] ? __mutex_lock+0x5cd/0x15a0 [ 292.159237][ T32] ? nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 292.159256][ T32] ? __pfx___mutex_lock+0x10/0x10 [ 292.159271][ T32] ? __kasan_kmalloc+0x93/0xb0 [ 292.159299][ T32] ? __nla_validate_parse+0x2429/0x2d50 [ 292.159315][ T32] ? do_syscall_64+0x166/0x520 [ 292.159330][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 292.159353][ T32] nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 292.159376][ T32] ? __pfx___nla_validate_parse+0x10/0x10 [ 292.159405][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 292.159423][ T32] ? trace_kmalloc+0x2a/0xf0 [ 292.159445][ T32] ? __kmalloc_noprof+0x387/0x710 [ 292.159468][ T32] ? __nla_parse+0x40/0x60 [ 292.159487][ T32] ? genl_family_rcv_msg_attrs_parse+0x20b/0x2f0 [ 292.159503][ T32] ? genl_family_rcv_msg_attrs_parse+0x265/0x2f0 [ 292.159525][ T32] genl_family_rcv_msg_doit+0x233/0x340 [ 292.159546][ T32] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 292.159572][ T32] ? bpf_lsm_capable+0x9/0x20 [ 292.159590][ T32] ? security_capable+0x7e/0x2c0 [ 292.159614][ T32] genl_rcv_msg+0x614/0x7a0 [ 292.159644][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 292.159669][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 292.159697][ T32] netlink_rcv_skb+0x226/0x4a0 [ 292.159719][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 292.159745][ T32] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 292.159777][ T32] ? down_read+0x2b9/0x320 [ 292.159798][ T32] genl_rcv+0x28/0x40 [ 292.159822][ T32] netlink_unicast+0x8ef/0xa80 [ 292.159853][ T32] netlink_sendmsg+0x7f0/0xb20 [ 292.159879][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 292.159903][ T32] ? aa_sock_msg_perm+0x144/0x210 [ 292.159927][ T32] ? apparmor_socket_sendmsg+0x18b/0x360 [ 292.159943][ T32] ? rcu_is_watching+0x16/0xb0 [ 292.159971][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 292.159991][ T32] sock_sendmsg_nosec+0x14e/0x190 [ 292.160013][ T32] ____sys_sendmsg+0x54e/0x850 [ 292.160043][ T32] ? __pfx_____sys_sendmsg+0x10/0x10 [ 292.160076][ T32] ? import_iovec+0x73/0xa0 [ 292.160102][ T32] ___sys_sendmsg+0x2a5/0x360 [ 292.160127][ T32] ? __lock_acquire+0x747/0x2de0 [ 292.160147][ T32] ? __pfx____sys_sendmsg+0x10/0x10 [ 292.160176][ T32] ? _raw_spin_unlock_irqrestore+0x47/0x80 [ 292.160233][ T32] __x64_sys_sendmsg+0x1b1/0x290 [ 292.160248][ T32] ? _raw_spin_unlock_irq+0x2e/0x50 [ 292.160273][ T32] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 292.160315][ T32] do_syscall_64+0x166/0x520 [ 292.160330][ T32] ? trace_irq_disable+0x3b/0x140 [ 292.160349][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 292.160365][ T32] ? clear_bhb_loop+0x70/0xc0 [ 292.160385][ T32] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 292.160400][ T32] RIP: 0033:0x7f9512d8d639 [ 292.160413][ T32] RSP: 002b:00007fff45affba8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 292.160428][ T32] RAX: ffffffffffffffda RBX: 00002000000004c0 RCX: 00007f9512d8d639 [ 292.160440][ T32] RDX: 0000000020040000 RSI: 0000200000000200 RDI: 0000000000000003 [ 292.160450][ T32] RBP: 00000000000f4240 R08: 0000000000000009 R09: 0000000000000009 [ 292.160460][ T32] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000001a70e [ 292.160470][ T32] R13: 00007fff45affbbc R14: 00007fff45affbd0 R15: 00007fff45affbc0 [ 292.160495][ T32] [ 292.160507][ T32] [ 292.160507][ T32] Showing all locks held in the system: [ 292.160522][ T32] locks held by khungtaskd/32: 1, last CPU#0: [ 292.160534][ T32] #0: ffffffff8fd59ca0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 [ 292.160599][ T32] locks held by kworker/u8:9/2144: 2, on CPU#1: [ 292.160610][ T32] #0: ffff88801c0ac148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 [ 292.160654][ T32] #1: ffffc90006a57c40 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 [ 292.160718][ T32] locks held by getty/5386: 2, on CPU#0: [ 292.160729][ T32] #0: ffff88803716f0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 292.160771][ T32] #1: ffffc9000323b2e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45a/0x1360 [ 292.160810][ T32] locks held by syz-executor389/5660: 2, on CPU#1: [ 292.160821][ T32] #0: ffffffff912db068 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 292.160864][ T32] #1: ffffffff9009e720 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 292.160902][ T32] locks held by syz-executor389/5662: 2, on CPU#1: [ 292.160913][ T32] #0: ffffffff912db068 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 292.160956][ T32] #1: ffffffff9009e720 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 292.161000][ T32] locks held by syz-executor389/5664: 2, on CPU#1: [ 292.161011][ T32] #0: ffffffff912db068 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 292.161055][ T32] #1: ffffffff9009e720 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 292.161094][ T32] locks held by syz-executor389/5665: 2, on CPU#0: [ 292.161105][ T32] #0: ffffffff912db068 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 292.161150][ T32] #1: ffffffff9009e720 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 292.161189][ T32] locks held by syz-executor389/5669: 2, on CPU#0: [ 292.161200][ T32] #0: ffffffff912db068 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 292.161244][ T32] #1: ffffffff9009e720 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 292.161283][ T32] [ 292.161288][ T32] ============================================= [ 292.161288][ T32] [ 292.161306][ T32] NMI backtrace for cpu 0 [ 292.161323][ T32] CPU: 0 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 292.161340][ T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 292.161349][ T32] Call Trace: [ 292.161356][ T32] [ 292.161362][ T32] dump_stack_lvl+0xe8/0x150 [ 292.161388][ T32] nmi_cpu_backtrace+0x274/0x2d0 [ 292.161412][ T32] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 292.161431][ T32] nmi_trigger_cpumask_backtrace+0x17d/0x390 [ 292.161457][ T32] sys_info+0x135/0x170 [ 292.161477][ T32] watchdog+0xfd2/0x1030 [ 292.161502][ T32] ? watchdog+0x1c7/0x1030 [ 292.161525][ T32] kthread+0x38b/0x480 [ 292.161541][ T32] ? __pfx_watchdog+0x10/0x10 [ 292.161558][ T32] ? __pfx_kthread+0x10/0x10 [ 292.161574][ T32] ret_from_fork+0x514/0xb70 [ 292.161593][ T32] ? __pfx_ret_from_fork+0x10/0x10 [ 292.161609][ T32] ? __switch_to+0xc78/0x1410 [ 292.161635][ T32] ? __pfx_kthread+0x10/0x10 [ 292.161651][ T32] ret_from_fork_asm+0x1a/0x30 [ 292.161678][ T32] [ 292.161684][ T32] Sending NMI from CPU 0 to CPUs 1: [ 292.161755][ C1] NMI backtrace for cpu 1 [ 292.161770][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 PREEMPT(full) [ 292.161790][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 292.161801][ C1] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 292.161823][ C1] Code: 5b 81 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 03 38 15 00 fb f4 bc 0b 03 00 cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 [ 292.161839][ C1] RSP: 0018:ffffc90000197e40 EFLAGS: 00000242 [ 292.161855][ C1] RAX: 000000000006bdef RBX: ffffffff819bfca0 RCX: 8000000000000001 [ 292.161869][ C1] RDX: 0000000000000001 RSI: ffffffff8e486e1e RDI: ffffffff8c6e1780 [ 292.161883][ C1] RBP: ffffc90000197f10 R08: ffff8880b8533d9b R09: 1ffff110170a67b3 [ 292.161897][ C1] R10: dffffc0000000000 R11: ffffed10170a67b4 R12: 0000000000000000 [ 292.161910][ C1] R13: 1ffff11003e5d000 R14: 1ffff92000032fd0 R15: dffffc0000000000 [ 292.161924][ C1] FS: 0000000000000000(0000) GS:ffff888123b6b000(0000) knlGS:0000000000000000 [ 292.161940][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 292.161953][ C1] CR2: 000055f8745fe660 CR3: 000000000fb48000 CR4: 00000000003526f0 [ 292.161969][ C1] Call Trace: [ 292.161977][ C1] [ 292.161984][ C1] default_idle+0x9/0x20 [ 292.162005][ C1] default_idle_call+0x72/0xb0 [ 292.162027][ C1] do_idle+0x2e0/0x540 [ 292.162048][ C1] ? __pfx_do_idle+0x10/0x10 [ 292.162068][ C1] ? do_idle+0x4d8/0x540 [ 292.162087][ C1] cpu_startup_entry+0x43/0x60 [ 292.162106][ C1] start_secondary+0x101/0x110 [ 292.162125][ C1] common_startup_64+0x13e/0x157 [ 292.162161][ C1] [ 292.162751][ T32] Kernel panic - not syncing: hung_task: blocked tasks [ 294.176363][ T32] CPU: 0 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 294.185674][ T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 294.195752][ T32] Call Trace: [ 294.199056][ T32] [ 294.202028][ T32] vpanic+0x56d/0xa60 [ 294.206068][ T32] ? __pfx_vpanic+0x10/0x10 [ 294.210694][ T32] ? console_srcu_read_unlock+0x3a/0x60 [ 294.216292][ T32] panic+0xc5/0xd0 [ 294.220085][ T32] ? __pfx_panic+0x10/0x10 [ 294.224624][ T32] ? wq_watchdog_touch+0xf9/0x160 [ 294.229785][ T32] ? nmi_trigger_cpumask_backtrace+0x24d/0x390 [ 294.235988][ T32] watchdog+0x102b/0x1030 [ 294.240348][ T32] ? watchdog+0x1c7/0x1030 [ 294.244797][ T32] kthread+0x38b/0x480 [ 294.248893][ T32] ? __pfx_watchdog+0x10/0x10 [ 294.253596][ T32] ? __pfx_kthread+0x10/0x10 [ 294.258211][ T32] ret_from_fork+0x514/0xb70 [ 294.262853][ T32] ? __pfx_ret_from_fork+0x10/0x10 [ 294.267992][ T32] ? __switch_to+0xc78/0x1410 [ 294.272705][ T32] ? __pfx_kthread+0x10/0x10 [ 294.277324][ T32] ret_from_fork_asm+0x1a/0x30 [ 294.282211][ T32] [ 294.285911][ T32] Kernel Offset: disabled [ 294.290283][ T32] Rebooting in 86400 seconds..