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-executor1361448774 <...> Warning: Permanently added '10.128.1.57' (ED25519) to the list of known hosts. execve("ci-upstream-net-this-kasan-gce/syz-executor1361448774", ["ci-upstream-net-this-kasan-gce/syz-executor1361448774"], 0x7ffdfaa705c0 /* 10 vars */) = 0 brk(NULL) = 0x555588952000 brk(0x555588952d80) = 0x555588952d80 arch_prctl(ARCH_SET_FS, 0x555588952400) = 0 set_tid_address(0x5555889526d0) = 5639 set_robust_list(0x5555889526e0, 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-executor1361448774", 4096) = 59 getrandom("\x1a\x58\x46\x55\x38\x54\x84\x98", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555588952d80 brk(0x555588973d80) = 0x555588973d80 brk(0x555588974000) = 0x555588974000 mprotect(0x7f3f461a1000, 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 5640 attached , child_tidptr=0x5555889526d0) = 5640 [pid 5640] set_robust_list(0x5555889526e0, 24 [pid 5639] rt_sigprocmask(SIG_SETMASK, [] [pid 5640] <... set_robust_list resumed>) = 0 [pid 5639] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5640] rt_sigprocmask(SIG_SETMASK, [] [pid 5639] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5640] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5639] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5639] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5640] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5640] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5641 attached [pid 5639] <... clone resumed>, child_tidptr=0x5555889526d0) = 5641 [pid 5639] rt_sigprocmask(SIG_SETMASK, [] [pid 5641] set_robust_list(0x5555889526e0, 24) = 0 [pid 5639] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5641] rt_sigprocmask(SIG_SETMASK, [] [pid 5639] rt_sigprocmask(SIG_BLOCK, ~[]ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5642 attached , [], 8) = 0 [pid 5642] set_robust_list(0x5555889526e0, 24 [pid 5641] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5640] <... clone resumed>, child_tidptr=0x5555889526d0) = 5642 [pid 5639] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5642] <... set_robust_list resumed>) = 0 [pid 5641] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5640] rt_sigprocmask(SIG_SETMASK, [] [pid 5642] rt_sigprocmask(SIG_SETMASK, [] [pid 5640] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5642] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5642] prctl(PR_SET_PDEATHSIG, SIGKILLci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5643 attached [pid 5641] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5643] set_robust_list(0x5555889526e0, 24 [pid 5642] <... prctl resumed>) = 0 [pid 5641] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5639] <... clone resumed>, child_tidptr=0x5555889526d0) = 5643 [pid 5643] <... set_robust_list resumed>) = 0 [pid 5642] setpgid(0, 0 [pid 5643] rt_sigprocmask(SIG_SETMASK, [] [pid 5642] <... setpgid resumed>) = 0 [pid 5643] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5639] rt_sigprocmask(SIG_SETMASK, [] [pid 5643] rt_sigprocmask(SIG_BLOCK, ~[]ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5644 attached [pid 5639] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5642] <... openat resumed>) = 3 [pid 5644] set_robust_list(0x5555889526e0, 24 [pid 5643] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5639] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5644] <... set_robust_list resumed>) = 0 [pid 5643] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5642] write(3, "1000", 4 [pid 5641] <... clone resumed>, child_tidptr=0x5555889526d0) = 5644 [pid 5639] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5639] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5642] <... write resumed>) = 4 [pid 5641] rt_sigprocmask(SIG_SETMASK, []ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5645 attached [pid 5644] rt_sigprocmask(SIG_SETMASK, [] [pid 5642] close(3ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5646 attached [pid 5645] set_robust_list(0x5555889526e0, 24 [pid 5644] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5643] <... clone resumed>, child_tidptr=0x5555889526d0) = 5646 [pid 5645] <... set_robust_list resumed>) = 0 [pid 5641] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5644] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5643] rt_sigprocmask(SIG_SETMASK, [] [pid 5642] <... close resumed>) = 0 [pid 5645] rt_sigprocmask(SIG_SETMASK, [] [pid 5644] <... prctl resumed>) = 0 executing program [pid 5642] write(1, "executing program\n", 18 [pid 5646] set_robust_list(0x5555889526e0, 24 [pid 5645] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5644] setpgid(0, 0 [pid 5643] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5642] <... write resumed>) = 18 [pid 5639] <... clone resumed>, child_tidptr=0x5555889526d0) = 5645 [pid 5644] <... setpgid resumed>) = 0 [pid 5642] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5639] rt_sigprocmask(SIG_SETMASK, [] [pid 5642] <... socket resumed>) = 3 [pid 5639] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5642] socket(AF_MCTP, SOCK_DGRAM, 0 [pid 5639] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5642] <... socket resumed>) = 4 [pid 5639] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5642] 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=524285, nlmsg_pid=4096}, "\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_PROBE|MSG_EOR|MSG_MORE|MSG_ZEROCOPY [pid 5639] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5646] <... set_robust_list resumed>) = 0 [pid 5645] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5647 attached [pid 5646] rt_sigprocmask(SIG_SETMASK, [] [pid 5644] <... openat resumed>) = 3 [pid 5646] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5645] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5646] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5645] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5647] set_robust_list(0x5555889526e0, 24 [pid 5646] <... prctl resumed>) = 0 [pid 5644] write(3, "1000", 4ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5648 attached [pid 5647] <... set_robust_list resumed>) = 0 [pid 5646] setpgid(0, 0 [pid 5639] <... clone resumed>, child_tidptr=0x5555889526d0) = 5647 [pid 5648] set_robust_list(0x5555889526e0, 24 [pid 5647] rt_sigprocmask(SIG_SETMASK, [] [pid 5639] rt_sigprocmask(SIG_SETMASK, [] [pid 5646] <... setpgid resumed>) = 0 [pid 5644] <... write resumed>) = 4 [pid 5647] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5648] <... set_robust_list resumed>) = 0 [pid 5647] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5644] close(3 [pid 5648] rt_sigprocmask(SIG_SETMASK, [] [pid 5639] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5648] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5647] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5646] <... openat resumed>) = 3 [pid 5645] <... clone resumed>, child_tidptr=0x5555889526d0) = 5648 [pid 5644] <... close resumed>) = 0 [pid 5648] prctl(PR_SET_PDEATHSIG, SIGKILL executing program [pid 5646] write(3, "1000", 4 [pid 5645] rt_sigprocmask(SIG_SETMASK, [] [pid 5644] write(1, "executing program\n", 18 [pid 5646] <... write resumed>) = 4 [pid 5645] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5644] <... write resumed>) = 18 [pid 5646] close(3 [pid 5644] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5648] <... prctl resumed>) = 0 [pid 5647] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5646] <... close resumed>) = 0 [pid 5644] <... socket resumed>) = 3 [pid 5648] setpgid(0, 0 executing program [pid 5646] write(1, "executing program\n", 18 [pid 5644] socket(AF_MCTP, SOCK_DGRAM, 0ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5649 attached [pid 5648] <... setpgid resumed>) = 0 [pid 5646] <... write resumed>) = 18 [pid 5644] <... socket resumed>) = 4 [pid 5649] set_robust_list(0x5555889526e0, 24 [pid 5648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5646] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5644] 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=524285, nlmsg_pid=4096}, "\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_PROBE|MSG_EOR|MSG_MORE|MSG_ZEROCOPY [pid 5649] <... set_robust_list resumed>) = 0 [pid 5648] <... openat resumed>) = 3 [pid 5647] <... clone resumed>, child_tidptr=0x5555889526d0) = 5649 [pid 5646] <... socket resumed>) = 3 [pid 5649] rt_sigprocmask(SIG_SETMASK, [] [pid 5648] write(3, "1000", 4 [pid 5647] rt_sigprocmask(SIG_SETMASK, [] [pid 5646] socket(AF_MCTP, SOCK_DGRAM, 0 [pid 5649] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5648] <... write resumed>) = 4 [pid 5647] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5648] close(3 [pid 5649] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5648] <... close resumed>) = 0 executing program [pid 5648] write(1, "executing program\n", 18) = 18 [pid 5646] <... socket resumed>) = 4 [pid 5646] 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=524285, nlmsg_pid=4096}, "\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_PROBE|MSG_EOR|MSG_MORE|MSG_ZEROCOPY [pid 5649] <... prctl resumed>) = 0 [pid 5648] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5649] setpgid(0, 0 [pid 5648] <... socket resumed>) = 3 [pid 5649] <... setpgid resumed>) = 0 [pid 5648] socket(AF_MCTP, SOCK_DGRAM, 0 [pid 5649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5648] <... socket resumed>) = 4 [pid 5649] <... openat resumed>) = 3 [pid 5648] 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=524285, nlmsg_pid=4096}, "\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_PROBE|MSG_EOR|MSG_MORE|MSG_ZEROCOPY [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] socket(AF_MCTP, SOCK_DGRAM, 0) = 4 [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=524285, nlmsg_pid=4096}, "\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_PROBE|MSG_EOR|MSG_MORE|MSG_ZEROCOPY [pid 5642] <... sendmsg resumed>) = 20 [pid 5642] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 5 [pid 5642] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_XDP, insn_cnt=3, insns=0x2000000002c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 15, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_LSM_MAC, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, core_relo_cnt=0, fd_array=NULL, core_relos=NULL, core_relo_rec_size=16, log_true_size=0, prog_token_fd=0}, 148) = 6 [pid 5642] sendmsg(5, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=[{nlmsg_len=52, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|0x800, nlmsg_seq=64, nlmsg_pid=635427835}, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0c\x00\x2b\x80\x08\x00\x01\x00\x06\x00\x00\x00\x08\x00\x1b\x00\x00\x00\x00\x00"], iov_len=52}], msg_iovlen=1, msg_controllen=0, msg_flags=MSG_EOR}, 0 [pid 5644] <... sendmsg resumed>) = 20 [pid 5644] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 5 [pid 5644] bpf(BPF_PROG_LOAD, {prog_type=BPF_PROG_TYPE_XDP, insn_cnt=3, insns=0x2000000002c0, license="GPL", log_level=0, log_size=0, log_buf=NULL, kern_version=KERNEL_VERSION(4, 15, 0), prog_flags=0, prog_name="", prog_ifindex=0, expected_attach_type=BPF_LSM_MAC, prog_btf_fd=-1, func_info_rec_size=8, func_info=NULL, func_info_cnt=0, line_info_rec_size=16, line_info=NULL, line_info_cnt=0, attach_btf_id=0, attach_prog_fd=0, core_relo_cnt=0, fd_array=NULL, core_relos=NULL, core_relo_rec_size=16, log_true_size=0, prog_token_fd=0}, 148) = 6 [pid 5644] sendmsg(5, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=[{nlmsg_len=52, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|0x800, nlmsg_seq=64, nlmsg_pid=635427835}, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0c\x00\x2b\x80\x08\x00\x01\x00\x06\x00\x00\x00\x08\x00\x1b\x00\x00\x00\x00\x00"], iov_len=52}], msg_iovlen=1, msg_controllen=0, msg_flags=MSG_EOR}, 0 [pid 5642] <... sendmsg resumed>) = 52 [pid 5642] exit_group(0) = ? [pid 5644] <... sendmsg resumed>) = 52 [pid 5642] +++ exited with 0 +++ [pid 5640] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5642, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5640] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [ 103.215597][ T5642] A link change request failed with some changes committed already. Interface eth0 may have been left with an inconsistent configuration, please check. [ 103.241396][ C1] Illegal XDP return value 16128 on prog (id 5) dev lo, expect packet loss! [pid 5644] exit_group(0) = ? [pid 5640] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5640] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5653 attached [pid 5644] +++ exited with 0 +++ [pid 5653] set_robust_list(0x5555889526e0, 24 [pid 5641] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5644, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5640] <... clone resumed>, child_tidptr=0x5555889526d0) = 5653 [pid 5653] <... set_robust_list resumed>) = 0 [pid 5641] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5640] rt_sigprocmask(SIG_SETMASK, [] [pid 5653] rt_sigprocmask(SIG_SETMASK, [] [pid 5640] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5653] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5641] <... restart_syscall resumed>) = 0 [pid 5653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5653] setpgid(0, 0) = 0 [pid 5653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5641] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5653] <... openat resumed>) = 3 [pid 5641] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5641] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5653] write(3, "1000", 4) = 4 [pid 5653] close(3) = 0 [pid 5653] write(1, "executing program\n", 18) = 18 executing program [pid 5653] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [ 103.246420][ T5644] A link change request failed with some changes committed already. Interface eth0 may have been left with an inconsistent configuration, please check. [pid 5653] socket(AF_MCTP, SOCK_DGRAM, 0ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5654 attached ) = 4 [pid 5654] set_robust_list(0x5555889526e0, 24 [pid 5641] <... clone resumed>, child_tidptr=0x5555889526d0) = 5654 [pid 5654] <... set_robust_list resumed>) = 0 [pid 5653] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=[{nlmsg_len=20, nlmsg_type=0x27 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST, nlmsg_seq=524285, nlmsg_pid=4096}, "\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_PROBE|MSG_EOR|MSG_MORE|MSG_ZEROCOPY [pid 5654] rt_sigprocmask(SIG_SETMASK, [] [pid 5641] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5654] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5654] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5654] setpgid(0, 0) = 0 [pid 5654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5654] write(3, "1000", 4) = 4 [pid 5654] close(3) = 0 executing program [pid 5654] write(1, "executing program\n", 18) = 18 [pid 5654] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 5654] socket(AF_MCTP, SOCK_DGRAM, 0) = 4 [pid 5654] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=[{nlmsg_len=20, nlmsg_type=0x27 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST, nlmsg_seq=524285, nlmsg_pid=4096}, "\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_PROBE|MSG_EOR|MSG_MORE|MSG_ZEROCOPY [pid 5643] kill(-5646, SIGKILL) = 0 [pid 5643] kill(5646, SIGKILL) = 0 [pid 5647] kill(-5649, SIGKILL) = 0 [pid 5647] kill(5649, SIGKILL) = 0 [pid 5645] kill(-5648, SIGKILL) = 0 [pid 5645] kill(5648, SIGKILL) = 0 [pid 5640] kill(-5653, SIGKILL) = 0 [pid 5640] kill(5653, SIGKILL) = 0 [pid 5641] kill(-5654, SIGKILL) = 0 [pid 5641] kill(5654, SIGKILL) = 0 [pid 5643] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5643] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5643] getdents64(3, 0x5555889537a0 /* 2 entries */, 32768) = 48 [pid 5643] getdents64(3, 0x5555889537a0 /* 0 entries */, 32768) = 0 [pid 5643] close(3) = 0 [pid 5647] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5647] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5647] getdents64(3, 0x5555889537a0 /* 2 entries */, 32768) = 48 [pid 5647] getdents64(3, 0x5555889537a0 /* 0 entries */, 32768) = 0 [pid 5647] close(3) = 0 [pid 5645] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5645] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5645] getdents64(3, 0x5555889537a0 /* 2 entries */, 32768) = 48 [pid 5645] getdents64(3, 0x5555889537a0 /* 0 entries */, 32768) = 0 [pid 5645] close(3) = 0 [pid 5640] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5640] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5640] getdents64(3, 0x5555889537a0 /* 2 entries */, 32768) = 48 [pid 5640] getdents64(3, 0x5555889537a0 /* 0 entries */, 32768) = 0 [pid 5640] close(3) = 0 [pid 5641] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5641] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5641] getdents64(3, 0x5555889537a0 /* 2 entries */, 32768) = 48 [pid 5641] getdents64(3, 0x5555889537a0 /* 0 entries */, 32768) = 0 [pid 5641] close(3) = 0 [ 286.309007][ T32] INFO: task syz-executor136:5648 blocked for more than 143 seconds. [ 286.309048][ T32] Not tainted syzkaller #0 [ 286.309054][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.309059][ T32] task:syz-executor136 state:D stack:27304 pid:5648 tgid:5648 ppid:5645 task_flags:0x400140 flags:0x00080002 [ 286.309100][ T32] Call Trace: [ 286.309107][ T32] [ 286.309118][ T32] __schedule+0x17db/0x58f0 [ 286.309159][ T32] ? __pfx___schedule+0x10/0x10 [ 286.309176][ T32] ? schedule+0x90/0x2b0 [ 286.309188][ T32] schedule+0x164/0x2b0 [ 286.309200][ T32] schedule_preempt_disabled+0x13/0x30 [ 286.309210][ T32] __mutex_lock+0x7c1/0x1550 [ 286.309225][ T32] ? __mutex_lock+0x5d4/0x1550 [ 286.309238][ T32] ? nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.309255][ T32] ? __pfx___mutex_lock+0x10/0x10 [ 286.309265][ T32] ? __kasan_kmalloc+0x93/0xb0 [ 286.309282][ T32] ? __nla_validate_parse+0x2429/0x2d50 [ 286.309292][ T32] ? do_syscall_64+0x166/0x520 [ 286.309303][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.309318][ T32] nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.309335][ T32] ? __pfx___nla_validate_parse+0x10/0x10 [ 286.309354][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.309369][ T32] ? trace_kmalloc+0x2a/0xf0 [ 286.309382][ T32] ? __kmalloc_noprof+0x38c/0x720 [ 286.309399][ T32] ? __nla_parse+0x40/0x60 [ 286.309411][ T32] ? genl_family_rcv_msg_attrs_parse+0x20b/0x2f0 [ 286.309427][ T32] ? genl_family_rcv_msg_attrs_parse+0x265/0x2f0 [ 286.309445][ T32] genl_family_rcv_msg_doit+0x233/0x340 [ 286.309469][ T32] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 286.309490][ T32] ? bpf_lsm_capable+0x9/0x20 [ 286.309501][ T32] ? security_capable+0x7e/0x2c0 [ 286.309518][ T32] genl_rcv_msg+0x614/0x7a0 [ 286.309536][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.309550][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.309571][ T32] netlink_rcv_skb+0x226/0x4a0 [ 286.309584][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.309599][ T32] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 286.309619][ T32] ? down_read+0x2be/0x330 [ 286.309634][ T32] genl_rcv+0x28/0x40 [ 286.309647][ T32] netlink_unicast+0x8ef/0xa80 [ 286.309668][ T32] netlink_sendmsg+0x813/0xb40 [ 286.309685][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.309707][ T32] ? apparmor_socket_sendmsg+0x98/0x360 [ 286.309720][ T32] ? irqentry_exit+0x218/0x920 [ 286.309732][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.309743][ T32] sock_sendmsg_nosec+0x13a/0x180 [ 286.309759][ T32] ____sys_sendmsg+0x54e/0x850 [ 286.309773][ T32] ? __pfx_____sys_sendmsg+0x10/0x10 [ 286.309789][ T32] ? import_iovec+0x73/0xa0 [ 286.309805][ T32] ___sys_sendmsg+0x2a5/0x360 [ 286.309816][ T32] ? __lock_acquire+0x747/0x2de0 [ 286.309829][ T32] ? __pfx____sys_sendmsg+0x10/0x10 [ 286.309873][ T32] __x64_sys_sendmsg+0x1b1/0x290 [ 286.309900][ T32] ? _raw_spin_unlock_irq+0x2e/0x50 [ 286.309912][ T32] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 286.309927][ T32] ? do_user_addr_fault+0xc4c/0x1340 [ 286.309944][ T32] do_syscall_64+0x166/0x520 [ 286.309955][ T32] ? trace_irq_disable+0x3b/0x140 [ 286.309966][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.309976][ T32] ? clear_bhb_loop+0x70/0xc0 [ 286.309988][ T32] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.309999][ T32] RIP: 0033:0x7f3f4610e879 [ 286.310013][ T32] RSP: 002b:00007ffcc3debe48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 286.310024][ T32] RAX: ffffffffffffffda RBX: 0000200000000040 RCX: 00007f3f4610e879 [ 286.310031][ T32] RDX: 0000000004008090 RSI: 0000200000000140 RDI: 0000000000000003 [ 286.310038][ T32] RBP: 00000000000f4240 R08: 0000000000000009 R09: 0000000000000009 [ 286.310044][ T32] R10: 0000000000000009 R11: 0000000000000246 R12: 00007ffcc3debfc8 [ 286.310050][ T32] R13: 0000000000000002 R14: 00007ffcc3debe70 R15: 00007ffcc3debe60 [ 286.310070][ T32] [ 286.310075][ T32] INFO: task syz-executor136:5649 blocked for more than 143 seconds. [ 286.310082][ T32] Not tainted syzkaller #0 [ 286.310087][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.310091][ T32] task:syz-executor136 state:D stack:25640 pid:5649 tgid:5649 ppid:5647 task_flags:0x400140 flags:0x00080002 [ 286.310114][ T32] Call Trace: [ 286.310118][ T32] [ 286.310124][ T32] __schedule+0x17db/0x58f0 [ 286.310149][ T32] ? __pfx___schedule+0x10/0x10 [ 286.310165][ T32] ? schedule+0x90/0x2b0 [ 286.310177][ T32] schedule+0x164/0x2b0 [ 286.310188][ T32] schedule_preempt_disabled+0x13/0x30 [ 286.310199][ T32] __mutex_lock+0x7c1/0x1550 [ 286.310213][ T32] ? __mutex_lock+0x5d4/0x1550 [ 286.310226][ T32] ? nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.310241][ T32] ? __pfx___mutex_lock+0x10/0x10 [ 286.310251][ T32] ? __kasan_kmalloc+0x93/0xb0 [ 286.310324][ T32] ? __nla_validate_parse+0x2429/0x2d50 [ 286.310334][ T32] ? do_syscall_64+0x166/0x520 [ 286.310345][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.310360][ T32] nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.310378][ T32] ? __pfx___nla_validate_parse+0x10/0x10 [ 286.310399][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.310414][ T32] ? trace_kmalloc+0x2a/0xf0 [ 286.310426][ T32] ? __kmalloc_noprof+0x38c/0x720 [ 286.310438][ T32] ? __nla_parse+0x40/0x60 [ 286.310450][ T32] ? genl_family_rcv_msg_attrs_parse+0x20b/0x2f0 [ 286.310464][ T32] ? genl_family_rcv_msg_attrs_parse+0x265/0x2f0 [ 286.310483][ T32] genl_family_rcv_msg_doit+0x233/0x340 [ 286.310501][ T32] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 286.310522][ T32] ? bpf_lsm_capable+0x9/0x20 [ 286.310532][ T32] ? security_capable+0x7e/0x2c0 [ 286.310549][ T32] genl_rcv_msg+0x614/0x7a0 [ 286.310566][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.310580][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.310601][ T32] netlink_rcv_skb+0x226/0x4a0 [ 286.310614][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.310629][ T32] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 286.310648][ T32] ? down_read+0x2be/0x330 [ 286.310662][ T32] genl_rcv+0x28/0x40 [ 286.310675][ T32] netlink_unicast+0x8ef/0xa80 [ 286.310695][ T32] netlink_sendmsg+0x813/0xb40 [ 286.310712][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.310728][ T32] ? apparmor_socket_sendmsg+0x98/0x360 [ 286.310740][ T32] ? rcu_is_watching+0x16/0xb0 [ 286.310754][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.310765][ T32] sock_sendmsg_nosec+0x13a/0x180 [ 286.310779][ T32] ____sys_sendmsg+0x54e/0x850 [ 286.310793][ T32] ? __pfx_____sys_sendmsg+0x10/0x10 [ 286.310808][ T32] ? import_iovec+0x73/0xa0 [ 286.310824][ T32] ___sys_sendmsg+0x2a5/0x360 [ 286.310834][ T32] ? __lock_acquire+0x747/0x2de0 [ 286.310847][ T32] ? __pfx____sys_sendmsg+0x10/0x10 [ 286.310889][ T32] __x64_sys_sendmsg+0x1b1/0x290 [ 286.310899][ T32] ? _raw_spin_unlock_irq+0x2e/0x50 [ 286.310910][ T32] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 286.310925][ T32] ? do_user_addr_fault+0xc4c/0x1340 [ 286.310941][ T32] do_syscall_64+0x166/0x520 [ 286.310955][ T32] ? trace_irq_disable+0x3b/0x140 [ 286.310966][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.310976][ T32] ? clear_bhb_loop+0x70/0xc0 [ 286.310988][ T32] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.310998][ T32] RIP: 0033:0x7f3f4610e879 [ 286.311007][ T32] RSP: 002b:00007ffcc3debe48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 286.311017][ T32] RAX: ffffffffffffffda RBX: 0000200000000040 RCX: 00007f3f4610e879 [ 286.311024][ T32] RDX: 0000000004008090 RSI: 0000200000000140 RDI: 0000000000000003 [ 286.311030][ T32] RBP: 00000000000f4240 R08: 0000000000000009 R09: 0000000000000009 [ 286.311036][ T32] R10: 0000000000000009 R11: 0000000000000246 R12: 00007ffcc3debfc8 [ 286.311042][ T32] R13: 0000000000000002 R14: 00007ffcc3debe70 R15: 00007ffcc3debe60 [ 286.311058][ T32] [ 286.311062][ T32] INFO: task syz-executor136:5653 blocked for more than 143 seconds. [ 286.311070][ T32] Not tainted syzkaller #0 [ 286.311075][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.311079][ T32] task:syz-executor136 state:D stack:25640 pid:5653 tgid:5653 ppid:5640 task_flags:0x400140 flags:0x00080802 [ 286.311102][ T32] Call Trace: [ 286.311105][ T32] [ 286.311111][ T32] __schedule+0x17db/0x58f0 [ 286.311136][ T32] ? __pfx___schedule+0x10/0x10 [ 286.311152][ T32] ? schedule+0x90/0x2b0 [ 286.311164][ T32] schedule+0x164/0x2b0 [ 286.311175][ T32] schedule_preempt_disabled+0x13/0x30 [ 286.311185][ T32] __mutex_lock+0x7c1/0x1550 [ 286.311200][ T32] ? __mutex_lock+0x5d4/0x1550 [ 286.311213][ T32] ? nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.311228][ T32] ? __pfx___mutex_lock+0x10/0x10 [ 286.311238][ T32] ? __kasan_kmalloc+0x93/0xb0 [ 286.311254][ T32] ? __nla_validate_parse+0x2429/0x2d50 [ 286.311263][ T32] ? do_syscall_64+0x166/0x520 [ 286.311274][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.311288][ T32] nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.311305][ T32] ? __pfx___nla_validate_parse+0x10/0x10 [ 286.311324][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.311338][ T32] ? trace_kmalloc+0x2a/0xf0 [ 286.311351][ T32] ? __kmalloc_noprof+0x38c/0x720 [ 286.311363][ T32] ? __nla_parse+0x40/0x60 [ 286.311374][ T32] ? genl_family_rcv_msg_attrs_parse+0x20b/0x2f0 [ 286.311392][ T32] ? genl_family_rcv_msg_attrs_parse+0x265/0x2f0 [ 286.311411][ T32] genl_family_rcv_msg_doit+0x233/0x340 [ 286.311428][ T32] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 286.311449][ T32] ? bpf_lsm_capable+0x9/0x20 [ 286.311459][ T32] ? security_capable+0x7e/0x2c0 [ 286.311476][ T32] genl_rcv_msg+0x614/0x7a0 [ 286.311493][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.311507][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.311528][ T32] netlink_rcv_skb+0x226/0x4a0 [ 286.311540][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.311555][ T32] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 286.311575][ T32] ? down_read+0x2be/0x330 [ 286.311589][ T32] genl_rcv+0x28/0x40 [ 286.311618][ T32] netlink_unicast+0x8ef/0xa80 [ 286.311639][ T32] netlink_sendmsg+0x813/0xb40 [ 286.311655][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.311672][ T32] ? apparmor_socket_sendmsg+0x98/0x360 [ 286.311686][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.311713][ T32] sock_sendmsg_nosec+0x13a/0x180 [ 286.311728][ T32] ____sys_sendmsg+0x54e/0x850 [ 286.311742][ T32] ? __pfx_____sys_sendmsg+0x10/0x10 [ 286.311757][ T32] ? import_iovec+0x73/0xa0 [ 286.311773][ T32] ___sys_sendmsg+0x2a5/0x360 [ 286.311784][ T32] ? __lock_acquire+0x747/0x2de0 [ 286.311796][ T32] ? __pfx____sys_sendmsg+0x10/0x10 [ 286.311833][ T32] __x64_sys_sendmsg+0x1b1/0x290 [ 286.311843][ T32] ? _raw_spin_unlock_irq+0x2e/0x50 [ 286.311854][ T32] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 286.311869][ T32] ? do_user_addr_fault+0xc4c/0x1340 [ 286.311891][ T32] do_syscall_64+0x166/0x520 [ 286.311902][ T32] ? trace_irq_disable+0x3b/0x140 [ 286.311912][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.311922][ T32] ? clear_bhb_loop+0x70/0xc0 [ 286.311934][ T32] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.311944][ T32] RIP: 0033:0x7f3f4610e879 [ 286.311952][ T32] RSP: 002b:00007ffcc3debe48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 286.311962][ T32] RAX: ffffffffffffffda RBX: 0000200000000040 RCX: 00007f3f4610e879 [ 286.311969][ T32] RDX: 0000000004008090 RSI: 0000200000000140 RDI: 0000000000000003 [ 286.311975][ T32] RBP: 00000000000f4240 R08: 0000000000000009 R09: 0000000000000009 [ 286.311981][ T32] R10: 0000000000000009 R11: 0000000000000246 R12: 000000000001927f [ 286.311987][ T32] R13: 00007ffcc3debe5c R14: 00007ffcc3debe70 R15: 00007ffcc3debe60 [ 286.312003][ T32] [ 286.312007][ T32] INFO: task syz-executor136:5654 blocked for more than 143 seconds. [ 286.312014][ T32] Not tainted syzkaller #0 [ 286.312019][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.312023][ T32] task:syz-executor136 state:D stack:26336 pid:5654 tgid:5654 ppid:5641 task_flags:0x400140 flags:0x00080002 [ 286.312046][ T32] Call Trace: [ 286.312050][ T32] [ 286.312056][ T32] __schedule+0x17db/0x58f0 [ 286.312081][ T32] ? __pfx___schedule+0x10/0x10 [ 286.312096][ T32] ? schedule+0x90/0x2b0 [ 286.312108][ T32] schedule+0x164/0x2b0 [ 286.312120][ T32] schedule_preempt_disabled+0x13/0x30 [ 286.312130][ T32] __mutex_lock+0x7c1/0x1550 [ 286.312144][ T32] ? __mutex_lock+0x5d4/0x1550 [ 286.312157][ T32] ? nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.312173][ T32] ? __pfx___mutex_lock+0x10/0x10 [ 286.312183][ T32] ? __kasan_kmalloc+0x93/0xb0 [ 286.312199][ T32] ? __nla_validate_parse+0x2429/0x2d50 [ 286.312208][ T32] ? do_syscall_64+0x166/0x520 [ 286.312218][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.312233][ T32] nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.312250][ T32] ? __pfx___nla_validate_parse+0x10/0x10 [ 286.312269][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.312283][ T32] ? trace_kmalloc+0x2a/0xf0 [ 286.312295][ T32] ? __kmalloc_noprof+0x38c/0x720 [ 286.312307][ T32] ? __nla_parse+0x40/0x60 [ 286.312319][ T32] ? genl_family_rcv_msg_attrs_parse+0x20b/0x2f0 [ 286.312333][ T32] ? genl_family_rcv_msg_attrs_parse+0x265/0x2f0 [ 286.312352][ T32] genl_family_rcv_msg_doit+0x233/0x340 [ 286.312369][ T32] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 286.312390][ T32] ? bpf_lsm_capable+0x9/0x20 [ 286.312400][ T32] ? security_capable+0x7e/0x2c0 [ 286.312417][ T32] genl_rcv_msg+0x614/0x7a0 [ 286.312434][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.312448][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.312469][ T32] netlink_rcv_skb+0x226/0x4a0 [ 286.312481][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.312496][ T32] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 286.312516][ T32] ? down_read+0x2be/0x330 [ 286.312530][ T32] genl_rcv+0x28/0x40 [ 286.312543][ T32] netlink_unicast+0x8ef/0xa80 [ 286.312562][ T32] netlink_sendmsg+0x813/0xb40 [ 286.312579][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.312596][ T32] ? apparmor_socket_sendmsg+0x98/0x360 [ 286.312608][ T32] ? rcu_is_watching+0x16/0xb0 [ 286.312621][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.312632][ T32] sock_sendmsg_nosec+0x13a/0x180 [ 286.312646][ T32] ____sys_sendmsg+0x54e/0x850 [ 286.312660][ T32] ? __pfx_____sys_sendmsg+0x10/0x10 [ 286.312675][ T32] ? import_iovec+0x73/0xa0 [ 286.312691][ T32] ___sys_sendmsg+0x2a5/0x360 [ 286.312702][ T32] ? __lock_acquire+0x747/0x2de0 [ 286.312714][ T32] ? __pfx____sys_sendmsg+0x10/0x10 [ 286.312751][ T32] __x64_sys_sendmsg+0x1b1/0x290 [ 286.312762][ T32] ? _raw_spin_unlock_irq+0x2e/0x50 [ 286.312772][ T32] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 286.312787][ T32] ? do_user_addr_fault+0xc4c/0x1340 [ 286.312803][ T32] do_syscall_64+0x166/0x520 [ 286.312814][ T32] ? trace_irq_disable+0x3b/0x140 [ 286.312824][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.312834][ T32] ? clear_bhb_loop+0x70/0xc0 [ 286.312846][ T32] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.312856][ T32] RIP: 0033:0x7f3f4610e879 [ 286.312864][ T32] RSP: 002b:00007ffcc3debe48 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 286.312873][ T32] RAX: ffffffffffffffda RBX: 0000200000000040 RCX: 00007f3f4610e879 [ 286.312880][ T32] RDX: 0000000004008090 RSI: 0000200000000140 RDI: 0000000000000003 [ 286.312891][ T32] RBP: 00000000000f4240 R08: 0000000000000009 R09: 0000000000000009 [ 286.312897][ T32] R10: 0000000000000009 R11: 0000000000000246 R12: 0000000000019291 [ 286.312903][ T32] R13: 00007ffcc3debe5c R14: 00007ffcc3debe70 R15: 00007ffcc3debe60 [ 286.312919][ T32] [ 286.312928][ T32] [ 286.312928][ T32] Showing all locks held in the system: [ 286.312936][ T32] locks held by khungtaskd/32: 1, last CPU#0: [ 286.312943][ T32] #0: ffffffff8fd5c8e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 [ 286.312971][ T32] locks held by kworker/u8:4/59: 2, on CPU#1: [ 286.312978][ T32] #0: ffff88801c0ac140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 [ 286.313006][ T32] #1: ffffc9000200fc40 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 [ 286.313047][ T32] locks held by getty/5373: 2, on CPU#0: [ 286.313053][ T32] #0: ffff88803223e0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 286.313079][ T32] #1: ffffc9000323b2e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45a/0x1360 [ 286.313106][ T32] locks held by syz-executor136/5646: 2, on CPU#1: [ 286.313113][ T32] #0: ffffffff912c6888 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 286.313139][ T32] #1: ffffffff9009f9a0 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.313166][ T32] locks held by syz-executor136/5648: 2, on CPU#0: [ 286.313173][ T32] #0: ffffffff912c6888 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 286.313198][ T32] #1: ffffffff9009f9a0 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.313224][ T32] locks held by syz-executor136/5649: 2, on CPU#0: [ 286.313231][ T32] #0: ffffffff912c6888 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 286.313256][ T32] #1: ffffffff9009f9a0 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.313283][ T32] locks held by syz-executor136/5653: 2, on CPU#1: [ 286.313289][ T32] #0: ffffffff912c6888 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 286.313315][ T32] #1: ffffffff9009f9a0 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.313341][ T32] locks held by syz-executor136/5654: 2, on CPU#1: [ 286.313347][ T32] #0: ffffffff912c6888 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 286.313373][ T32] #1: ffffffff9009f9a0 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.313399][ T32] [ 286.313402][ T32] ============================================= [ 286.313402][ T32] [ 286.313413][ T32] NMI backtrace for cpu 0 [ 286.313426][ T32] CPU: 0 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 286.313437][ T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 286.313442][ T32] Call Trace: [ 286.313447][ T32] [ 286.313450][ T32] dump_stack_lvl+0xe8/0x150 [ 286.313465][ T32] nmi_cpu_backtrace+0x274/0x2d0 [ 286.313480][ T32] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 286.313496][ T32] nmi_trigger_cpumask_backtrace+0x17d/0x390 [ 286.313511][ T32] sys_info+0x135/0x170 [ 286.313524][ T32] watchdog+0xfd7/0x1030 [ 286.313539][ T32] ? watchdog+0x1c7/0x1030 [ 286.313552][ T32] kthread+0x38b/0x480 [ 286.313562][ T32] ? __pfx_watchdog+0x10/0x10 [ 286.313571][ T32] ? __pfx_kthread+0x10/0x10 [ 286.313582][ T32] ret_from_fork+0x514/0xb70 [ 286.313593][ T32] ? __pfx_ret_from_fork+0x10/0x10 [ 286.313602][ T32] ? __switch_to+0xc89/0x1420 [ 286.313617][ T32] ? __pfx_kthread+0x10/0x10 [ 286.313627][ T32] ret_from_fork_asm+0x1a/0x30 [ 286.313644][ T32] [ 286.313648][ T32] Sending NMI from CPU 0 to CPUs 1: [ 286.313695][ C1] NMI backtrace for cpu 1 [ 286.313708][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 PREEMPT(full) [ 286.313729][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 286.313739][ C1] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 286.313764][ C1] Code: fb 8a 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 b5 20 00 fb f4 8c 08 03 00 cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 [ 286.313780][ C1] RSP: 0018:ffffc900001a7e40 EFLAGS: 00000242 [ 286.313796][ C1] RAX: 000000000005fcd5 RBX: ffffffff819bed20 RCX: 8000000000000001 [ 286.313810][ C1] RDX: 0000000000000001 RSI: ffffffff8e469cbf RDI: ffffffff8c6ddb80 [ 286.313823][ C1] RBP: ffffc900001a7f10 R08: ffff8880b8533a1b R09: 1ffff110170a6743 [ 286.313837][ C1] R10: dffffc0000000000 R11: ffffed10170a6744 R12: 0000000000000000 [ 286.313850][ C1] R13: 1ffff11003ed2bb8 R14: 1ffff92000034fd0 R15: dffffc0000000000 [ 286.313865][ C1] FS: 0000000000000000(0000) GS:ffff888123bbf000(0000) knlGS:0000000000000000 [ 286.313880][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 286.313893][ C1] CR2: 0000557a32352660 CR3: 000000000fb48000 CR4: 00000000003526f0 [ 286.313910][ C1] Call Trace: [ 286.313917][ C1] [ 286.313923][ C1] default_idle+0x9/0x20 [ 286.313947][ C1] default_idle_call+0x72/0xb0 [ 286.313972][ C1] do_idle+0x2e0/0x540 [ 286.313992][ C1] ? __pfx_do_idle+0x10/0x10 [ 286.314016][ C1] cpu_startup_entry+0x43/0x60 [ 286.314035][ C1] start_secondary+0x101/0x110 [ 286.314064][ C1] common_startup_64+0x13e/0x157 [ 286.314097][ C1] [ 286.314672][ T32] Kernel panic - not syncing: hung_task: blocked tasks [ 288.294624][ T32] CPU: 0 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 288.303724][ T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 288.313765][ T32] Call Trace: [ 288.317031][ T32] [ 288.319949][ T32] vpanic+0x56d/0xa60 [ 288.323928][ T32] ? __pfx_vpanic+0x10/0x10 [ 288.328426][ T32] ? console_srcu_read_unlock+0x3a/0x60 [ 288.333965][ T32] panic+0xc5/0xd0 [ 288.337677][ T32] ? __pfx_panic+0x10/0x10 [ 288.342090][ T32] ? wq_watchdog_touch+0xf9/0x160 [ 288.347102][ T32] ? nmi_trigger_cpumask_backtrace+0x24d/0x390 [ 288.353247][ T32] watchdog+0x1030/0x1030 [ 288.357577][ T32] ? watchdog+0x1c7/0x1030 [ 288.361985][ T32] kthread+0x38b/0x480 [ 288.366037][ T32] ? __pfx_watchdog+0x10/0x10 [ 288.370698][ T32] ? __pfx_kthread+0x10/0x10 [ 288.375275][ T32] ret_from_fork+0x514/0xb70 [ 288.379854][ T32] ? __pfx_ret_from_fork+0x10/0x10 [ 288.384947][ T32] ? __switch_to+0xc89/0x1420 [ 288.389614][ T32] ? __pfx_kthread+0x10/0x10 [ 288.394185][ T32] ret_from_fork_asm+0x1a/0x30 [ 288.398945][ T32] [ 288.402211][ T32] Kernel Offset: disabled [ 288.406525][ T32] Rebooting in 86400 seconds..