ci-upstream-net-kasan-gce/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci-upstream-net-kasan-gce/syz-executor2949212016 <...> Warning: Permanently added '10.128.1.145' (ED25519) to the list of known hosts. execve("ci-upstream-net-kasan-gce/syz-executor2949212016", ["ci-upstream-net-kasan-gce/syz-executor2949212016"], 0x7ffd12b9b100 /* 10 vars */) = 0 brk(NULL) = 0x555590be4000 brk(0x555590be4d80) = 0x555590be4d80 arch_prctl(ARCH_SET_FS, 0x555590be4400) = 0 set_tid_address(0x555590be46d0) = 5625 set_robust_list(0x555590be46e0, 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-kasan-gce/syz-executor2949212016", 4096) = 54 getrandom("\x0b\x2c\x20\xee\x8b\xe9\x35\x2a", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555590be4d80 brk(0x555590c05d80) = 0x555590c05d80 brk(0x555590c06000) = 0x555590c06000 mprotect(0x7f92fba76000, 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-kasan-gce/strace-static-x86_64: Process 5626 attached [pid 5626] set_robust_list(0x555590be46e0, 24 [pid 5625] <... clone resumed>, child_tidptr=0x555590be46d0) = 5626 [pid 5626] <... set_robust_list resumed>) = 0 [pid 5626] rt_sigprocmask(SIG_SETMASK, [] [pid 5625] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5626] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5625] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5626] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5625] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-net-kasan-gce/strace-static-x86_64: Process 5627 attached [pid 5627] set_robust_list(0x555590be46e0, 24) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5627] rt_sigprocmask(SIG_BLOCK, ~[]ci-upstream-net-kasan-gce/strace-static-x86_64: Process 5628 attached [pid 5625] <... clone resumed>, child_tidptr=0x555590be46d0) = 5627 [pid 5628] set_robust_list(0x555590be46e0, 24 [pid 5627] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5625] rt_sigprocmask(SIG_SETMASK, [] [pid 5628] <... set_robust_list resumed>) = 0 [pid 5627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5626] <... clone resumed>, child_tidptr=0x555590be46d0) = 5628 [pid 5628] rt_sigprocmask(SIG_SETMASK, [] [pid 5626] rt_sigprocmask(SIG_SETMASK, [] [pid 5625] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci-upstream-net-kasan-gce/strace-static-x86_64: Process 5629 attached [pid 5628] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5626] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5625] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5629] set_robust_list(0x555590be46e0, 24 [pid 5625] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5629] <... set_robust_list resumed>) = 0 [pid 5629] rt_sigprocmask(SIG_SETMASK, [] [pid 5625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5629] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5628] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5627] <... clone resumed>, child_tidptr=0x555590be46d0) = 5629 [pid 5629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ci-upstream-net-kasan-gce/strace-static-x86_64: Process 5630 attached [pid 5629] setpgid(0, 0 [pid 5628] <... prctl resumed>) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 5630] set_robust_list(0x555590be46e0, 24 [pid 5629] <... setpgid resumed>) = 0 [pid 5628] setpgid(0, 0 [pid 5630] <... set_robust_list resumed>) = 0 [pid 5629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5628] <... setpgid resumed>) = 0 [pid 5625] <... clone resumed>, child_tidptr=0x555590be46d0) = 5630 [pid 5630] rt_sigprocmask(SIG_SETMASK, [] [pid 5628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5625] rt_sigprocmask(SIG_SETMASK, [] [pid 5630] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5629] <... openat resumed>) = 3 [pid 5628] <... openat resumed>) = 3 [pid 5625] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5630] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5629] write(3, "1000", 4) = 4 [pid 5628] write(3, "1000", 4 [pid 5630] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5629] close(3 [pid 5628] <... write resumed>) = 4 [pid 5630] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5629] <... close resumed>) = 0 [pid 5628] close(3 executing program executing program [pid 5625] rt_sigprocmask(SIG_BLOCK, ~[]ci-upstream-net-kasan-gce/strace-static-x86_64: Process 5631 attached , [], 8) = 0 [pid 5629] write(1, "executing program\n", 18 [pid 5628] <... close resumed>) = 0 [pid 5629] <... write resumed>) = 18 [pid 5625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5630] <... clone resumed>, child_tidptr=0x555590be46d0) = 5631 [pid 5628] write(1, "executing program\n", 18 [pid 5629] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5628] <... write resumed>) = 18 [pid 5629] <... socket resumed>) = 3 [pid 5628] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5629] 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=524281, nlmsg_pid=635427836}, "\x06\x00\x00\x00"], iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=MSG_OOB|MSG_CONFIRM|MSG_NOSIGNAL|MSG_MORE|MSG_ZEROCOPY}, MSG_DONTROUTE|MSG_EOR|MSG_MORE|MSG_ZEROCOPYci-upstream-net-kasan-gce/strace-static-x86_64: Process 5632 attached [pid 5631] set_robust_list(0x555590be46e0, 24 [pid 5630] rt_sigprocmask(SIG_SETMASK, [] [pid 5628] <... socket resumed>) = 3 [pid 5632] set_robust_list(0x555590be46e0, 24 [pid 5631] <... set_robust_list resumed>) = 0 [pid 5632] <... set_robust_list resumed>) = 0 [pid 5632] rt_sigprocmask(SIG_SETMASK, [] [pid 5628] 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=524281, nlmsg_pid=635427836}, "\x06\x00\x00\x00"], iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=MSG_OOB|MSG_CONFIRM|MSG_NOSIGNAL|MSG_MORE|MSG_ZEROCOPY}, MSG_DONTROUTE|MSG_EOR|MSG_MORE|MSG_ZEROCOPY [pid 5625] <... clone resumed>, child_tidptr=0x555590be46d0) = 5632 [pid 5632] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5631] rt_sigprocmask(SIG_SETMASK, [] [pid 5630] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5625] rt_sigprocmask(SIG_SETMASK, [] [pid 5632] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5625] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5632] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5632] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5625] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5631] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci-upstream-net-kasan-gce/strace-static-x86_64: Process 5633 attached [pid 5625] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5632] <... clone resumed>, child_tidptr=0x555590be46d0) = 5633 [pid 5631] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5625] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5631] <... prctl resumed>) = 0 [pid 5632] rt_sigprocmask(SIG_SETMASK, [] [pid 5631] setpgid(0, 0 [pid 5633] set_robust_list(0x555590be46e0, 24 [pid 5632] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5633] <... set_robust_list resumed>) = 0 ci-upstream-net-kasan-gce/strace-static-x86_64: Process 5635 attached [pid 5633] rt_sigprocmask(SIG_SETMASK, [] [pid 5631] <... setpgid resumed>) = 0 [pid 5635] set_robust_list(0x555590be46e0, 24 [pid 5633] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5625] <... clone resumed>, child_tidptr=0x555590be46d0) = 5635 [pid 5635] <... set_robust_list resumed>) = 0 [pid 5633] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5633] <... prctl resumed>) = 0 [pid 5635] rt_sigprocmask(SIG_SETMASK, [] [pid 5633] setpgid(0, 0) = 0 [pid 5633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5635] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5631] <... openat resumed>) = 3 [pid 5625] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5635] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5633] <... openat resumed>) = 3 [pid 5631] write(3, "1000", 4 [pid 5635] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5631] <... write resumed>) = 4 [pid 5635] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5631] close(3 [pid 5633] write(3, "1000", 4ci-upstream-net-kasan-gce/strace-static-x86_64: Process 5636 attached [pid 5631] <... close resumed>) = 0 [pid 5636] set_robust_list(0x555590be46e0, 24 [pid 5633] <... write resumed>) = 4 [pid 5636] <... set_robust_list resumed>) = 0 [pid 5633] close(3 [pid 5631] write(1, "executing program\n", 18 [pid 5636] rt_sigprocmask(SIG_SETMASK, [] [pid 5635] <... clone resumed>, child_tidptr=0x555590be46d0) = 5636 [pid 5633] <... close resumed>) = 0 [pid 5636] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 5633] write(1, "executing program\n", 18 [pid 5631] <... write resumed>) = 18 executing program [pid 5636] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5635] rt_sigprocmask(SIG_SETMASK, [] [pid 5633] <... write resumed>) = 18 [pid 5631] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5636] <... prctl resumed>) = 0 [pid 5633] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5635] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5633] <... socket resumed>) = 3 [pid 5631] <... socket resumed>) = 3 [pid 5636] setpgid(0, 0 [pid 5633] 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=524281, nlmsg_pid=635427836}, "\x06\x00\x00\x00"], iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=MSG_OOB|MSG_CONFIRM|MSG_NOSIGNAL|MSG_MORE|MSG_ZEROCOPY}, MSG_DONTROUTE|MSG_EOR|MSG_MORE|MSG_ZEROCOPY [pid 5631] 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=524281, nlmsg_pid=635427836}, "\x06\x00\x00\x00"], iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=MSG_OOB|MSG_CONFIRM|MSG_NOSIGNAL|MSG_MORE|MSG_ZEROCOPY}, MSG_DONTROUTE|MSG_EOR|MSG_MORE|MSG_ZEROCOPY [pid 5636] <... setpgid resumed>) = 0 [pid 5636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5636] write(3, "1000", 4) = 4 [pid 5636] close(3) = 0 [pid 5636] write(1, "executing program\n", 18) = 18 [pid 5636] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 executing program [pid 5636] 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=524281, nlmsg_pid=635427836}, "\x06\x00\x00\x00"], iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=MSG_OOB|MSG_CONFIRM|MSG_NOSIGNAL|MSG_MORE|MSG_ZEROCOPY}, MSG_DONTROUTE|MSG_EOR|MSG_MORE|MSG_ZEROCOPY [pid 5629] <... sendmsg resumed>) = 20 [pid 5629] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 5629] socketpair(AF_UNIX, SOCK_SEQPACKET, 0, [5, 6]) = 0 [pid 5629] ioctl(6, SIOCGIFINDEX, {ifr_name="lo", ifr_ifindex=1}) = 0 [pid 5629] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=[{nlmsg_len=96, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_MULTI|NLM_F_ACK|NLM_F_ECHO|0xd00, nlmsg_seq=7388461, nlmsg_pid=0}, "\x60\x00\x00\x00\x01\x00\x00\x00\x00\x00\x0a\x00\xff\xff\xff\xff\x00\x00\xff\xff\x08\x00\x01\x00\x74\x62\x66\x00\x34\x00\x02\x00\x28\x00\x01\x00\xea\x02\x00\x00\x01\x00\x09\x10\x7c\x00\x00\x00\x03\x02\x00\x00\x01\x04\x01\x80\x00\x00\x00\x00\x00\x00\x00\x00\x05\x00\x00\x00\x00\x00\x00\x10\x08\x00\x06\x00\x57\x80\x00\x00"], iov_len=96}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_EOR|MSG_NOSIGNAL|MSG_BATCH) = 96 [pid 5629] exit_group(0) = ? [pid 5629] +++ exited with 0 +++ [pid 5627] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5629, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5627] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 5627] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5627] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-net-kasan-gce/strace-static-x86_64: Process 5640 attached [pid 5640] set_robust_list(0x555590be46e0, 24 [pid 5627] <... clone resumed>, child_tidptr=0x555590be46d0) = 5640 [pid 5640] <... set_robust_list resumed>) = 0 [pid 5627] rt_sigprocmask(SIG_SETMASK, [] [pid 5640] rt_sigprocmask(SIG_SETMASK, [] [pid 5627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5640] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5640] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5640] setpgid(0, 0) = 0 [pid 5640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5640] write(3, "1000", 4) = 4 [pid 5640] close(3) = 0 [pid 5640] write(1, "executing program\n", 18) = 18 executing program [pid 5640] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [ 72.939278][ T5629] sch_tbf: burst 32855 is lower than device lo mtu (65550) ! [pid 5640] 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=524281, nlmsg_pid=635427836}, "\x06\x00\x00\x00"], iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=MSG_OOB|MSG_CONFIRM|MSG_NOSIGNAL|MSG_MORE|MSG_ZEROCOPY}, MSG_DONTROUTE|MSG_EOR|MSG_MORE|MSG_ZEROCOPY [pid 5626] kill(-5628, SIGKILL) = 0 [pid 5626] kill(5628, SIGKILL) = 0 [pid 5628] <... sendmsg resumed>) = ? [pid 5628] +++ killed by SIGKILL +++ [pid 5626] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5628, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- [pid 5626] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5626] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-net-kasan-gce/strace-static-x86_64: Process 5649 attached [pid 5649] set_robust_list(0x555590be46e0, 24 [pid 5630] kill(-5631, SIGKILL) = 0 [pid 5630] kill(5631, SIGKILL) = 0 [pid 5649] <... set_robust_list resumed>) = 0 [pid 5649] rt_sigprocmask(SIG_SETMASK, [] [pid 5626] <... clone resumed>, child_tidptr=0x555590be46d0) = 5649 [pid 5649] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5649] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5626] rt_sigprocmask(SIG_SETMASK, [] [pid 5649] <... prctl resumed>) = 0 [pid 5649] setpgid(0, 0 [pid 5626] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5649] <... setpgid resumed>) = 0 [pid 5649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5649] write(3, "1000", 4) = 4 [pid 5649] close(3) = 0 [pid 5649] write(1, "executing program\n", 18) = 18 executing program [pid 5649] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 5649] 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=524281, nlmsg_pid=635427836}, "\x06\x00\x00\x00"], iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=MSG_OOB|MSG_CONFIRM|MSG_NOSIGNAL|MSG_MORE|MSG_ZEROCOPY}, MSG_DONTROUTE|MSG_EOR|MSG_MORE|MSG_ZEROCOPY [pid 5632] kill(-5633, SIGKILL) = 0 [pid 5632] kill(5633, SIGKILL) = 0 [pid 5635] kill(-5636, SIGKILL) = 0 [pid 5635] kill(5636, SIGKILL) = 0 [pid 5627] kill(-5640, SIGKILL) = 0 [pid 5627] kill(5640, SIGKILL) = 0 [pid 5630] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5630] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5630] getdents64(3, 0x555590be57a0 /* 2 entries */, 32768) = 48 [pid 5630] getdents64(3, 0x555590be57a0 /* 0 entries */, 32768) = 0 [pid 5630] close(3) = 0 [pid 5632] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5632] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5632] getdents64(3, 0x555590be57a0 /* 2 entries */, 32768) = 48 [pid 5632] getdents64(3, 0x555590be57a0 /* 0 entries */, 32768) = 0 [pid 5632] close(3) = 0 [pid 5635] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5635] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5635] getdents64(3, 0x555590be57a0 /* 2 entries */, 32768) = 48 [pid 5635] getdents64(3, 0x555590be57a0 /* 0 entries */, 32768) = 0 [pid 5635] close(3) = 0 [pid 5627] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5627] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5627] getdents64(3, 0x555590be57a0 /* 2 entries */, 32768) = 48 [pid 5627] getdents64(3, 0x555590be57a0 /* 0 entries */, 32768) = 0 [pid 5627] close(3) = 0 [pid 5626] kill(-5649, SIGKILL) = 0 [pid 5626] kill(5649, SIGKILL) = 0 [pid 5626] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5626] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5626] getdents64(3, 0x555590be57a0 /* 2 entries */, 32768) = 48 [pid 5626] getdents64(3, 0x555590be57a0 /* 0 entries */, 32768) = 0 [pid 5626] close(3) = 0 [ 86.645348][ T9] cfg80211: failed to load regulatory.db [ 286.323693][ T32] INFO: task syz-executor294:5631 blocked for more than 143 seconds. [ 286.323733][ T32] Not tainted syzkaller #0 [ 286.323739][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.323747][ T32] task:syz-executor294 state:D stack:27472 pid:5631 tgid:5631 ppid:5630 task_flags:0x400140 flags:0x00080002 [ 286.323793][ T32] Call Trace: [ 286.323801][ T32] [ 286.323811][ T32] __schedule+0x17db/0x58f0 [ 286.323855][ T32] ? __pfx___schedule+0x10/0x10 [ 286.323871][ T32] ? schedule+0x90/0x2b0 [ 286.323883][ T32] schedule+0x164/0x2b0 [ 286.323896][ T32] schedule_preempt_disabled+0x13/0x30 [ 286.323906][ T32] __mutex_lock+0x7c1/0x1550 [ 286.323921][ T32] ? __mutex_lock+0x5d4/0x1550 [ 286.323935][ T32] ? nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.323954][ T32] ? __pfx___mutex_lock+0x10/0x10 [ 286.323965][ T32] ? __kasan_kmalloc+0x93/0xb0 [ 286.323980][ T32] ? __nla_validate_parse+0x2429/0x2d50 [ 286.323993][ T32] ? do_syscall_64+0x166/0x520 [ 286.324004][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.324019][ T32] nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.324035][ T32] ? __pfx___nla_validate_parse+0x10/0x10 [ 286.324055][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.324068][ T32] ? trace_kmalloc+0x2a/0xf0 [ 286.324079][ T32] ? __kmalloc_noprof+0x38c/0x720 [ 286.324090][ T32] ? __nla_parse+0x40/0x60 [ 286.324104][ T32] ? genl_family_rcv_msg_attrs_parse+0x20b/0x2f0 [ 286.324116][ T32] ? genl_family_rcv_msg_attrs_parse+0x265/0x2f0 [ 286.324132][ T32] genl_family_rcv_msg_doit+0x233/0x340 [ 286.324147][ T32] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 286.324165][ T32] ? bpf_lsm_capable+0x9/0x20 [ 286.324175][ T32] ? security_capable+0x7e/0x2c0 [ 286.324190][ T32] genl_rcv_msg+0x614/0x7a0 [ 286.324205][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.324216][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.324235][ T32] netlink_rcv_skb+0x226/0x4a0 [ 286.324250][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.324262][ T32] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 286.324295][ T32] ? down_read+0x2be/0x330 [ 286.324310][ T32] genl_rcv+0x28/0x40 [ 286.324321][ T32] netlink_unicast+0x7bd/0x940 [ 286.324340][ T32] netlink_sendmsg+0x813/0xb40 [ 286.324359][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.324378][ T32] ? apparmor_socket_sendmsg+0x98/0x360 [ 286.324389][ T32] ? rcu_is_watching+0x16/0xb0 [ 286.324402][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.324416][ T32] sock_sendmsg_nosec+0x13a/0x180 [ 286.324428][ T32] ____sys_sendmsg+0x54e/0x850 [ 286.324444][ T32] ? __pfx_____sys_sendmsg+0x10/0x10 [ 286.324462][ T32] ? import_iovec+0x73/0xa0 [ 286.324476][ T32] ___sys_sendmsg+0x2a5/0x360 [ 286.324489][ T32] ? __lock_acquire+0x747/0x2de0 [ 286.324501][ T32] ? __pfx____sys_sendmsg+0x10/0x10 [ 286.324538][ T32] __x64_sys_sendmsg+0x1b1/0x290 [ 286.324551][ T32] ? _raw_spin_unlock_irq+0x2e/0x50 [ 286.324563][ T32] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 286.324580][ T32] ? do_user_addr_fault+0xc4c/0x1340 [ 286.324595][ T32] do_syscall_64+0x166/0x520 [ 286.324606][ T32] ? trace_irq_disable+0x3b/0x140 [ 286.324617][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.324627][ T32] ? clear_bhb_loop+0x70/0xc0 [ 286.324639][ T32] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.324649][ T32] RIP: 0033:0x7f92fb9e3839 [ 286.324665][ T32] RSP: 002b:00007ffeadad20a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 286.324675][ T32] RAX: ffffffffffffffda RBX: 0000200000000080 RCX: 00007f92fb9e3839 [ 286.324682][ T32] RDX: 0000000004008084 RSI: 0000200000000140 RDI: 0000000000000003 [ 286.324689][ T32] RBP: 0000000000000000 R08: 0000000000000009 R09: 0000000000000009 [ 286.324694][ T32] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 286.324700][ T32] R13: 00007f92fba7b200 R14: 00007ffeadad20d0 R15: 00007ffeadad20c0 [ 286.324716][ T32] [ 286.324724][ T32] INFO: task syz-executor294:5636 blocked for more than 143 seconds. [ 286.324731][ T32] Not tainted syzkaller #0 [ 286.324736][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.324740][ T32] task:syz-executor294 state:D stack:26896 pid:5636 tgid:5636 ppid:5635 task_flags:0x400140 flags:0x00080002 [ 286.324765][ T32] Call Trace: [ 286.324768][ T32] [ 286.324774][ T32] __schedule+0x17db/0x58f0 [ 286.324801][ T32] ? __pfx___schedule+0x10/0x10 [ 286.324816][ T32] ? schedule+0x90/0x2b0 [ 286.324828][ T32] schedule+0x164/0x2b0 [ 286.324840][ T32] schedule_preempt_disabled+0x13/0x30 [ 286.324850][ T32] __mutex_lock+0x7c1/0x1550 [ 286.324865][ T32] ? __mutex_lock+0x5d4/0x1550 [ 286.324878][ T32] ? nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.324892][ T32] ? __pfx___mutex_lock+0x10/0x10 [ 286.324902][ T32] ? __kasan_kmalloc+0x93/0xb0 [ 286.324917][ T32] ? __nla_validate_parse+0x2429/0x2d50 [ 286.324928][ T32] ? do_syscall_64+0x166/0x520 [ 286.324939][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.324953][ T32] nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.324969][ T32] ? __pfx___nla_validate_parse+0x10/0x10 [ 286.324989][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.325001][ T32] ? trace_kmalloc+0x2a/0xf0 [ 286.325012][ T32] ? __kmalloc_noprof+0x38c/0x720 [ 286.325023][ T32] ? __nla_parse+0x40/0x60 [ 286.325037][ T32] ? genl_family_rcv_msg_attrs_parse+0x20b/0x2f0 [ 286.325048][ T32] ? genl_family_rcv_msg_attrs_parse+0x265/0x2f0 [ 286.325064][ T32] genl_family_rcv_msg_doit+0x233/0x340 [ 286.325079][ T32] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 286.325097][ T32] ? bpf_lsm_capable+0x9/0x20 [ 286.325105][ T32] ? security_capable+0x7e/0x2c0 [ 286.325119][ T32] genl_rcv_msg+0x614/0x7a0 [ 286.325134][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.325145][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.325164][ T32] netlink_rcv_skb+0x226/0x4a0 [ 286.325178][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.325190][ T32] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 286.325212][ T32] ? down_read+0x2be/0x330 [ 286.325226][ T32] genl_rcv+0x28/0x40 [ 286.325236][ T32] netlink_unicast+0x7bd/0x940 [ 286.325255][ T32] netlink_sendmsg+0x813/0xb40 [ 286.325274][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.325297][ T32] ? apparmor_socket_sendmsg+0x98/0x360 [ 286.325307][ T32] ? rcu_is_watching+0x16/0xb0 [ 286.325319][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.325333][ T32] sock_sendmsg_nosec+0x13a/0x180 [ 286.325344][ T32] ____sys_sendmsg+0x54e/0x850 [ 286.325360][ T32] ? __pfx_____sys_sendmsg+0x10/0x10 [ 286.325377][ T32] ? import_iovec+0x73/0xa0 [ 286.325390][ T32] ___sys_sendmsg+0x2a5/0x360 [ 286.325403][ T32] ? __lock_acquire+0x747/0x2de0 [ 286.325415][ T32] ? __pfx____sys_sendmsg+0x10/0x10 [ 286.325451][ T32] __x64_sys_sendmsg+0x1b1/0x290 [ 286.325464][ T32] ? _raw_spin_unlock_irq+0x2e/0x50 [ 286.325475][ T32] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 286.325492][ T32] ? do_user_addr_fault+0xc4c/0x1340 [ 286.325507][ T32] do_syscall_64+0x166/0x520 [ 286.325518][ T32] ? trace_irq_disable+0x3b/0x140 [ 286.325527][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.325537][ T32] ? clear_bhb_loop+0x70/0xc0 [ 286.325549][ T32] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.325559][ T32] RIP: 0033:0x7f92fb9e3839 [ 286.325567][ T32] RSP: 002b:00007ffeadad20a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 286.325577][ T32] RAX: ffffffffffffffda RBX: 0000200000000080 RCX: 00007f92fb9e3839 [ 286.325584][ T32] RDX: 0000000004008084 RSI: 0000200000000140 RDI: 0000000000000003 [ 286.325590][ T32] RBP: 0000000000000000 R08: 0000000000000009 R09: 0000000000000009 [ 286.325596][ T32] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 286.325601][ T32] R13: 00007f92fba7b200 R14: 00007ffeadad20d0 R15: 00007ffeadad20c0 [ 286.325617][ T32] [ 286.325621][ T32] INFO: task syz-executor294:5640 blocked for more than 143 seconds. [ 286.325628][ T32] Not tainted syzkaller #0 [ 286.325632][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.325636][ T32] task:syz-executor294 state:D stack:26408 pid:5640 tgid:5640 ppid:5627 task_flags:0x400140 flags:0x00080002 [ 286.325659][ T32] Call Trace: [ 286.325662][ T32] [ 286.325668][ T32] __schedule+0x17db/0x58f0 [ 286.325693][ T32] ? __pfx___schedule+0x10/0x10 [ 286.325708][ T32] ? schedule+0x90/0x2b0 [ 286.325720][ T32] schedule+0x164/0x2b0 [ 286.325731][ T32] schedule_preempt_disabled+0x13/0x30 [ 286.325742][ T32] __mutex_lock+0x7c1/0x1550 [ 286.325756][ T32] ? __mutex_lock+0x5d4/0x1550 [ 286.325769][ T32] ? nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.325784][ T32] ? __pfx___mutex_lock+0x10/0x10 [ 286.325801][ T32] ? __kasan_kmalloc+0x93/0xb0 [ 286.325824][ T32] ? __nla_validate_parse+0x2429/0x2d50 [ 286.325840][ T32] ? do_syscall_64+0x166/0x520 [ 286.325850][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.325865][ T32] nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.325880][ T32] ? __pfx___nla_validate_parse+0x10/0x10 [ 286.325900][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.325912][ T32] ? trace_kmalloc+0x2a/0xf0 [ 286.325923][ T32] ? __kmalloc_noprof+0x38c/0x720 [ 286.325934][ T32] ? __nla_parse+0x40/0x60 [ 286.325948][ T32] ? genl_family_rcv_msg_attrs_parse+0x20b/0x2f0 [ 286.325960][ T32] ? genl_family_rcv_msg_attrs_parse+0x265/0x2f0 [ 286.325975][ T32] genl_family_rcv_msg_doit+0x233/0x340 [ 286.325990][ T32] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 286.326008][ T32] ? bpf_lsm_capable+0x9/0x20 [ 286.326016][ T32] ? security_capable+0x7e/0x2c0 [ 286.326031][ T32] genl_rcv_msg+0x614/0x7a0 [ 286.326045][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.326056][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.326076][ T32] netlink_rcv_skb+0x226/0x4a0 [ 286.326090][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.326102][ T32] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 286.326124][ T32] ? down_read+0x2be/0x330 [ 286.326138][ T32] genl_rcv+0x28/0x40 [ 286.326148][ T32] netlink_unicast+0x7bd/0x940 [ 286.326167][ T32] netlink_sendmsg+0x813/0xb40 [ 286.326186][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.326204][ T32] ? apparmor_socket_sendmsg+0x98/0x360 [ 286.326216][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.326229][ T32] sock_sendmsg_nosec+0x13a/0x180 [ 286.326241][ T32] ____sys_sendmsg+0x54e/0x850 [ 286.326256][ T32] ? __pfx_____sys_sendmsg+0x10/0x10 [ 286.326273][ T32] ? import_iovec+0x73/0xa0 [ 286.326292][ T32] ___sys_sendmsg+0x2a5/0x360 [ 286.326304][ T32] ? __lock_acquire+0x747/0x2de0 [ 286.326316][ T32] ? __pfx____sys_sendmsg+0x10/0x10 [ 286.326354][ T32] __x64_sys_sendmsg+0x1b1/0x290 [ 286.326366][ T32] ? _raw_spin_unlock_irq+0x2e/0x50 [ 286.326377][ T32] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 286.326394][ T32] ? do_user_addr_fault+0xc4c/0x1340 [ 286.326409][ T32] do_syscall_64+0x166/0x520 [ 286.326420][ T32] ? trace_irq_disable+0x3b/0x140 [ 286.326429][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.326439][ T32] ? clear_bhb_loop+0x70/0xc0 [ 286.326451][ T32] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.326461][ T32] RIP: 0033:0x7f92fb9e3839 [ 286.326469][ T32] RSP: 002b:00007ffeadad20a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 286.326478][ T32] RAX: ffffffffffffffda RBX: 0000200000000080 RCX: 00007f92fb9e3839 [ 286.326485][ T32] RDX: 0000000004008084 RSI: 0000200000000140 RDI: 0000000000000003 [ 286.326492][ T32] RBP: 0000000000000000 R08: 0000000000000009 R09: 0000000000000009 [ 286.326497][ T32] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000011c63 [ 286.326503][ T32] R13: 00007ffeadad20bc R14: 00007ffeadad20d0 R15: 00007ffeadad20c0 [ 286.326518][ T32] [ 286.326523][ T32] INFO: task syz-executor294:5649 blocked for more than 143 seconds. [ 286.326529][ T32] Not tainted syzkaller #0 [ 286.326534][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.326538][ T32] task:syz-executor294 state:D stack:27472 pid:5649 tgid:5649 ppid:5626 task_flags:0x400140 flags:0x00080002 [ 286.326562][ T32] Call Trace: [ 286.326565][ T32] [ 286.326570][ T32] __schedule+0x17db/0x58f0 [ 286.326595][ T32] ? __pfx___schedule+0x10/0x10 [ 286.326610][ T32] ? schedule+0x90/0x2b0 [ 286.326622][ T32] schedule+0x164/0x2b0 [ 286.326633][ T32] schedule_preempt_disabled+0x13/0x30 [ 286.326644][ T32] __mutex_lock+0x7c1/0x1550 [ 286.326658][ T32] ? __mutex_lock+0x5d4/0x1550 [ 286.326671][ T32] ? nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.326684][ T32] ? __pfx___mutex_lock+0x10/0x10 [ 286.326695][ T32] ? __kasan_kmalloc+0x93/0xb0 [ 286.326709][ T32] ? __nla_validate_parse+0x2429/0x2d50 [ 286.326721][ T32] ? do_syscall_64+0x166/0x520 [ 286.326731][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.326746][ T32] nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.326761][ T32] ? __pfx___nla_validate_parse+0x10/0x10 [ 286.326782][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.326796][ T32] ? trace_kmalloc+0x2a/0xf0 [ 286.326807][ T32] ? __kmalloc_noprof+0x38c/0x720 [ 286.326818][ T32] ? __nla_parse+0x40/0x60 [ 286.326832][ T32] ? genl_family_rcv_msg_attrs_parse+0x20b/0x2f0 [ 286.326843][ T32] ? genl_family_rcv_msg_attrs_parse+0x265/0x2f0 [ 286.326858][ T32] genl_family_rcv_msg_doit+0x233/0x340 [ 286.326873][ T32] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 286.326891][ T32] ? bpf_lsm_capable+0x9/0x20 [ 286.326900][ T32] ? security_capable+0x7e/0x2c0 [ 286.326914][ T32] genl_rcv_msg+0x614/0x7a0 [ 286.326928][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.326939][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.326958][ T32] netlink_rcv_skb+0x226/0x4a0 [ 286.326972][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.326984][ T32] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 286.327006][ T32] ? down_read+0x2be/0x330 [ 286.327020][ T32] genl_rcv+0x28/0x40 [ 286.327030][ T32] netlink_unicast+0x7bd/0x940 [ 286.327048][ T32] netlink_sendmsg+0x813/0xb40 [ 286.327067][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.327085][ T32] ? apparmor_socket_sendmsg+0x98/0x360 [ 286.327097][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.327110][ T32] sock_sendmsg_nosec+0x13a/0x180 [ 286.327122][ T32] ____sys_sendmsg+0x54e/0x850 [ 286.327137][ T32] ? __pfx_____sys_sendmsg+0x10/0x10 [ 286.327154][ T32] ? import_iovec+0x73/0xa0 [ 286.327168][ T32] ___sys_sendmsg+0x2a5/0x360 [ 286.327180][ T32] ? __lock_acquire+0x747/0x2de0 [ 286.327192][ T32] ? __pfx____sys_sendmsg+0x10/0x10 [ 286.327229][ T32] __x64_sys_sendmsg+0x1b1/0x290 [ 286.327241][ T32] ? _raw_spin_unlock_irq+0x2e/0x50 [ 286.327252][ T32] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 286.327268][ T32] ? do_user_addr_fault+0xc4c/0x1340 [ 286.327287][ T32] do_syscall_64+0x166/0x520 [ 286.327299][ T32] ? trace_irq_disable+0x3b/0x140 [ 286.327308][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.327318][ T32] ? clear_bhb_loop+0x70/0xc0 [ 286.327330][ T32] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.327340][ T32] RIP: 0033:0x7f92fb9e3839 [ 286.327348][ T32] RSP: 002b:00007ffeadad20a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 286.327358][ T32] RAX: ffffffffffffffda RBX: 0000200000000080 RCX: 00007f92fb9e3839 [ 286.327365][ T32] RDX: 0000000004008084 RSI: 0000200000000140 RDI: 0000000000000003 [ 286.327371][ T32] RBP: 0000000000000000 R08: 0000000000000009 R09: 0000000000000009 [ 286.327376][ T32] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000011c55 [ 286.327382][ T32] R13: 00007ffeadad20bc R14: 00007ffeadad20d0 R15: 00007ffeadad20c0 [ 286.327397][ T32] [ 286.327405][ T32] [ 286.327405][ T32] Showing all locks held in the system: [ 286.327412][ T32] locks held by khungtaskd/32: 1, last CPU#1: [ 286.327419][ T32] #0: ffffffff8ed5c8e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 [ 286.327461][ T32] locks held by kworker/u8:9/3384: 2, on CPU#1: [ 286.327468][ T32] #0: ffff88801b0ac140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 [ 286.327496][ T32] #1: ffffc9000ea3fc40 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 [ 286.327523][ T32] locks held by getty/5371: 2, on CPU#0: [ 286.327530][ T32] #0: ffff888035d260a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 286.327558][ T32] #1: ffffc900032332e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45a/0x1360 [ 286.327583][ T32] locks held by syz-executor294/5631: 2, on CPU#1: [ 286.327590][ T32] #0: ffffffff902c3fa8 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 286.327614][ T32] #1: ffffffff8f09f580 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.327640][ T32] locks held by syz-executor294/5633: 2, on CPU#1: [ 286.327646][ T32] #0: ffffffff902c3fa8 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 286.327670][ T32] #1: ffffffff8f09f580 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.327695][ T32] locks held by syz-executor294/5636: 2, on CPU#0: [ 286.327702][ T32] #0: ffffffff902c3fa8 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 286.327725][ T32] #1: ffffffff8f09f580 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.327750][ T32] locks held by syz-executor294/5640: 2, on CPU#0: [ 286.327757][ T32] #0: ffffffff902c3fa8 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 286.327780][ T32] #1: ffffffff8f09f580 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.327808][ T32] locks held by syz-executor294/5649: 2, on CPU#1: [ 286.327815][ T32] #0: ffffffff902c3fa8 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 286.327838][ T32] #1: ffffffff8f09f580 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.327863][ T32] [ 286.327865][ T32] ============================================= [ 286.327865][ T32] [ 286.327876][ T32] NMI backtrace for cpu 1 [ 286.327887][ T32] CPU: 1 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 286.327898][ T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 286.327903][ T32] Call Trace: [ 286.327907][ T32] [ 286.327911][ T32] dump_stack_lvl+0xe8/0x150 [ 286.327926][ T32] nmi_cpu_backtrace+0x274/0x2d0 [ 286.327941][ T32] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 286.327957][ T32] nmi_trigger_cpumask_backtrace+0x17d/0x390 [ 286.327973][ T32] sys_info+0x135/0x170 [ 286.327987][ T32] watchdog+0xfd7/0x1030 [ 286.328000][ T32] ? watchdog+0x1c7/0x1030 [ 286.328012][ T32] kthread+0x38b/0x480 [ 286.328022][ T32] ? __pfx_watchdog+0x10/0x10 [ 286.328031][ T32] ? __pfx_kthread+0x10/0x10 [ 286.328041][ T32] ret_from_fork+0x514/0xb70 [ 286.328052][ T32] ? __pfx_ret_from_fork+0x10/0x10 [ 286.328061][ T32] ? __switch_to+0xc89/0x1420 [ 286.328076][ T32] ? __pfx_kthread+0x10/0x10 [ 286.328086][ T32] ret_from_fork_asm+0x1a/0x30 [ 286.328107][ T32] [ 286.328111][ T32] Sending NMI from CPU 1 to CPUs 0: [ 286.328162][ C0] NMI backtrace for cpu 0 [ 286.328176][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) [ 286.328195][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 286.328205][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 286.328228][ C0] Code: 5c 88 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 b3 71 23 00 fb f4 8c 08 03 00 cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 [ 286.328243][ C0] RSP: 0018:ffffffff8ea07ca0 EFLAGS: 00000242 [ 286.328258][ C0] RAX: 00000000000ca36b RBX: ffffffff819bb25c RCX: 8000000000000001 [ 286.328271][ C0] RDX: 0000000000000001 RSI: ffffffff8e4152cd RDI: ffffffff8c6da080 [ 286.328283][ C0] RBP: ffffffff8ea07d78 R08: ffff8880b8633a1b R09: 1ffff110170c6743 [ 286.328297][ C0] R10: dffffc0000000000 R11: ffffed10170c6744 R12: 0000000000000000 [ 286.328309][ C0] R13: 1ffffffff1d51e00 R14: 1ffffffff1d40f9c R15: dffffc0000000000 [ 286.328323][ C0] FS: 0000000000000000(0000) GS:ffff888124ccd000(0000) knlGS:0000000000000000 [ 286.328337][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 286.328349][ C0] CR2: 000056067ae0b168 CR3: 0000000077406000 CR4: 00000000003526f0 [ 286.328366][ C0] Call Trace: [ 286.328372][ C0] [ 286.328378][ C0] default_idle+0x9/0x20 [ 286.328401][ C0] default_idle_call+0x72/0xb0 [ 286.328425][ C0] do_idle+0x1cc/0x540 [ 286.328442][ C0] ? __pfx_do_idle+0x10/0x10 [ 286.328460][ C0] ? do_idle+0xa/0x540 [ 286.328476][ C0] cpu_startup_entry+0x43/0x60 [ 286.328492][ C0] rest_init+0x378/0x3a0 [ 286.328517][ C0] ? __pfx_rest_init+0x10/0x10 [ 286.328545][ C0] ? __pfx_kernel_init+0x10/0x10 [ 286.328571][ C0] ? __pfx_acpi_hw_get_mode+0x10/0x10 [ 286.328598][ C0] ? acpi_ut_status_exit+0x120/0x1f0 [ 286.328618][ C0] ? acpi_ut_status_exit+0x120/0x1f0 [ 286.328640][ C0] ? acpi_enable_subsystem+0x286/0x3c0 [ 286.328676][ C0] start_kernel+0x392/0x3e0 [ 286.328698][ C0] x86_64_start_reservations+0x24/0x30 [ 286.328726][ C0] x86_64_start_kernel+0x137/0x1b0 [ 286.328753][ C0] common_startup_64+0x13e/0x157 [ 286.328790][ C0] [ 286.329362][ T32] Kernel panic - not syncing: hung_task: blocked tasks [ 288.352597][ T32] CPU: 1 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 288.361686][ T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 288.371716][ T32] Call Trace: [ 288.374977][ T32] [ 288.377886][ T32] vpanic+0x56d/0xa60 [ 288.381851][ T32] ? __pfx___schedule+0x10/0x10 [ 288.386680][ T32] ? __pfx_vpanic+0x10/0x10 [ 288.391165][ T32] panic+0xc5/0xd0 [ 288.394865][ T32] ? __pfx_panic+0x10/0x10 [ 288.399257][ T32] ? preempt_schedule_common+0x7f/0xd0 [ 288.404692][ T32] ? preempt_schedule_thunk+0x16/0x40 [ 288.410039][ T32] ? nmi_trigger_cpumask_backtrace+0x31a/0x390 [ 288.416172][ T32] ? nmi_trigger_cpumask_backtrace+0x31f/0x390 [ 288.422304][ T32] watchdog+0x1030/0x1030 [ 288.426610][ T32] ? watchdog+0x1c7/0x1030 [ 288.431003][ T32] kthread+0x38b/0x480 [ 288.435045][ T32] ? __pfx_watchdog+0x10/0x10 [ 288.439691][ T32] ? __pfx_kthread+0x10/0x10 [ 288.444254][ T32] ret_from_fork+0x514/0xb70 [ 288.448822][ T32] ? __pfx_ret_from_fork+0x10/0x10 [ 288.453905][ T32] ? __switch_to+0xc89/0x1420 [ 288.458560][ T32] ? __pfx_kthread+0x10/0x10 [ 288.463168][ T32] ret_from_fork_asm+0x1a/0x30 [ 288.467950][ T32] [ 288.471289][ T32] Kernel Offset: disabled [ 288.475602][ T32] Rebooting in 86400 seconds..