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-executor3201780117 <...> Warning: Permanently added '10.128.0.107' (ED25519) to the list of known hosts. execve("ci-upstream-net-this-kasan-gce/syz-executor3201780117", ["ci-upstream-net-this-kasan-gce/syz-executor3201780117"], 0x7fff1e4c8330 /* 10 vars */) = 0 brk(NULL) = 0x55555c752000 brk(0x55555c752d80) = 0x55555c752d80 arch_prctl(ARCH_SET_FS, 0x55555c752400) = 0 set_tid_address(0x55555c7526d0) = 5635 set_robust_list(0x55555c7526e0, 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-executor3201780117", 4096) = 59 getrandom("\x81\xff\x5d\x96\x5d\x49\x10\x5c", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55555c752d80 brk(0x55555c773d80) = 0x55555c773d80 brk(0x55555c774000) = 0x55555c774000 mprotect(0x7f4f23e5c000, 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 5636 attached , child_tidptr=0x55555c7526d0) = 5636 [pid 5636] set_robust_list(0x55555c7526e0, 24) = 0 [pid 5636] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5635] rt_sigprocmask(SIG_SETMASK, [] [pid 5636] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5635] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5635] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5636] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5635] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5635] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5637 attached [pid 5637] set_robust_list(0x55555c7526e0, 24 [pid 5636] <... clone resumed>, child_tidptr=0x55555c7526d0) = 5637 ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5638 attached [pid 5637] <... set_robust_list resumed>) = 0 [pid 5636] rt_sigprocmask(SIG_SETMASK, [] [pid 5635] <... clone resumed>, child_tidptr=0x55555c7526d0) = 5638 [pid 5638] set_robust_list(0x55555c7526e0, 24 [pid 5637] rt_sigprocmask(SIG_SETMASK, [] [pid 5635] rt_sigprocmask(SIG_SETMASK, [] [pid 5638] <... set_robust_list resumed>) = 0 [pid 5636] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5635] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5638] rt_sigprocmask(SIG_SETMASK, [] [pid 5635] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5637] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5635] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5638] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5637] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5635] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5638] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5637] <... prctl resumed>) = 0 [pid 5637] setpgid(0, 0ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5639 attached [pid 5638] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5639] set_robust_list(0x55555c7526e0, 24 [pid 5638] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5637] <... setpgid resumed>) = 0 [pid 5635] <... clone resumed>, child_tidptr=0x55555c7526d0) = 5639 [pid 5635] rt_sigprocmask(SIG_SETMASK, [] [pid 5639] <... set_robust_list resumed>) = 0 [pid 5637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5635] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5635] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5639] rt_sigprocmask(SIG_SETMASK, []ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5640 attached [pid 5635] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5639] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5637] <... openat resumed>) = 3 [pid 5635] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5640] set_robust_list(0x55555c7526e0, 24 [pid 5639] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5638] <... clone resumed>, child_tidptr=0x55555c7526d0) = 5640 [pid 5637] write(3, "1000", 4 [pid 5640] <... set_robust_list resumed>) = 0 [pid 5639] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5638] rt_sigprocmask(SIG_SETMASK, [] [pid 5640] rt_sigprocmask(SIG_SETMASK, [] [pid 5639] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5638] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5641 attached [pid 5635] <... clone resumed>, child_tidptr=0x55555c7526d0) = 5641 [pid 5635] rt_sigprocmask(SIG_SETMASK, [] [pid 5641] set_robust_list(0x55555c7526e0, 24 [pid 5637] <... write resumed>) = 4 ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5642 attached [pid 5640] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5637] close(3 [pid 5635] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5642] set_robust_list(0x55555c7526e0, 24 [pid 5641] <... set_robust_list resumed>) = 0 [pid 5640] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5639] <... clone resumed>, child_tidptr=0x55555c7526d0) = 5642 [pid 5637] <... close resumed>) = 0 [pid 5642] <... set_robust_list resumed>) = 0 [pid 5640] <... prctl resumed>) = 0 [pid 5639] rt_sigprocmask(SIG_SETMASK, [] [pid 5637] write(1, "executing program\n", 18 [pid 5635] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5642] rt_sigprocmask(SIG_SETMASK, [] [pid 5641] rt_sigprocmask(SIG_SETMASK, [] [pid 5640] setpgid(0, 0 [pid 5635] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5642] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5641] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5640] <... setpgid resumed>) = 0 [pid 5639] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 5637] <... write resumed>) = 18 [pid 5635] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5642] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5641] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5637] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5642] <... prctl resumed>) = 0 [pid 5640] <... openat resumed>) = 3 [pid 5637] <... socket resumed>) = 3 [pid 5642] setpgid(0, 0 [pid 5640] write(3, "1000", 4 [pid 5642] <... setpgid resumed>) = 0 [pid 5640] <... write resumed>) = 4 [pid 5637] 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=0}, MSG_PROBE|MSG_EOR|MSG_MORE|MSG_ZEROCOPYci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5643 attached [pid 5642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5641] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5640] close(3 [pid 5635] <... clone resumed>, child_tidptr=0x55555c7526d0) = 5643 [pid 5643] set_robust_list(0x55555c7526e0, 24 [pid 5641] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5635] rt_sigprocmask(SIG_SETMASK, [] [pid 5643] <... set_robust_list resumed>) = 0 [pid 5642] <... openat resumed>) = 3 [pid 5640] <... close resumed>) = 0 [pid 5635] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5643] rt_sigprocmask(SIG_SETMASK, []ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5644 attached , NULL, 8) = 0 [pid 5642] write(3, "1000", 4 [pid 5640] write(1, "executing program\n", 18 [pid 5644] set_robust_list(0x55555c7526e0, 24 [pid 5643] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5642] <... write resumed>) = 4 [pid 5641] <... clone resumed>, child_tidptr=0x55555c7526d0) = 5644 [pid 5642] close(3 [pid 5640] <... write resumed>) = 18 executing program [pid 5644] <... set_robust_list resumed>) = 0 [pid 5643] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5641] rt_sigprocmask(SIG_SETMASK, [] [pid 5644] rt_sigprocmask(SIG_SETMASK, [] [pid 5643] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5641] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 5640] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5644] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5642] <... close resumed>) = 0 [pid 5642] write(1, "executing program\n", 18) = 18 [pid 5640] <... socket resumed>) = 3 ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5645 attached [pid 5644] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5642] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [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=524285, nlmsg_pid=4096}, "\x06\x00\x00\x00"], iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_PROBE|MSG_EOR|MSG_MORE|MSG_ZEROCOPY [pid 5645] set_robust_list(0x55555c7526e0, 24 [pid 5644] <... prctl resumed>) = 0 [pid 5643] <... clone resumed>, child_tidptr=0x55555c7526d0) = 5645 [pid 5642] <... socket resumed>) = 3 [pid 5645] <... set_robust_list resumed>) = 0 [pid 5644] setpgid(0, 0 [pid 5643] rt_sigprocmask(SIG_SETMASK, [] [pid 5645] rt_sigprocmask(SIG_SETMASK, [] [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=0}, MSG_PROBE|MSG_EOR|MSG_MORE|MSG_ZEROCOPY [pid 5645] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5644] <... setpgid resumed>) = 0 [pid 5643] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5645] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5645] <... prctl resumed>) = 0 [pid 5644] <... openat resumed>) = 3 [pid 5645] setpgid(0, 0) = 0 [pid 5644] write(3, "1000", 4 [pid 5645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5644] <... write resumed>) = 4 [pid 5645] <... openat resumed>) = 3 [pid 5644] close(3) = 0 [pid 5645] write(3, "1000", 4 [pid 5644] write(1, "executing program\n", 18) = 18 [pid 5644] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5645] <... write resumed>) = 4 [pid 5644] <... socket resumed>) = 3 [pid 5645] close(3 executing program [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=0}, MSG_PROBE|MSG_EOR|MSG_MORE|MSG_ZEROCOPY [pid 5645] <... close resumed>) = 0 executing program [pid 5645] write(1, "executing program\n", 18) = 18 [pid 5645] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 5645] 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=0}, MSG_PROBE|MSG_EOR|MSG_MORE|MSG_ZEROCOPY [pid 5637] <... sendmsg resumed>) = 20 [pid 5637] socket(AF_NETLINK, SOCK_DGRAM, NETLINK_ROUTE) = 4 [pid 5637] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=[{nlmsg_len=216, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|0x480, nlmsg_seq=2197258574, nlmsg_pid=79250651}, "\x02\x1d\x08\x02\x01\x00\x00\x00\x05\x00\xf0\xa1\x18\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0e\x12\x08\x00\x0f\x01\x00\x81\x04\x01\xa8\x00\x16\x00\x20\x00\x01\x40\x03\x00\x00\x08\x03\x60\x0c\xfa\xb9\x4d\xcf\x5c\x04\x61\xc1\xd6\x7f\x6f\x94\x00\x71\x34\xcf\x6e\xe0\x80\x00\xa0\xe4\x08\xe8\xd8\xef\x07\x5c\x11\x50\x3c\x6b\xba\xce\x80\x17\xcb\x09\x00\x00\x00\x1f\xb7\x91\x64\x3a\x5e\xe4\x00\x1b\x14\x62\x18"...], iov_len=216}], msg_iovlen=1, msg_controllen=0, msg_flags=MSG_SYN|MSG_RST|MSG_ERRQUEUE|MSG_NOSIGNAL}, MSG_CONFIRM|MSG_NOSIGNAL|MSG_FASTOPEN) = 216 [pid 5637] exit_group(0) = ? [pid 5637] +++ exited with 0 +++ [pid 5636] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5637, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5636] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 5636] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5636] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5650 attached [pid 5650] set_robust_list(0x55555c7526e0, 24 [pid 5636] <... clone resumed>, child_tidptr=0x55555c7526d0) = 5650 [pid 5650] <... set_robust_list resumed>) = 0 [pid 5650] rt_sigprocmask(SIG_SETMASK, [] [pid 5636] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5650] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5650] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5650] setpgid(0, 0) = 0 [pid 5650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [ 95.457931][ T5637] netlink: 132 bytes leftover after parsing attributes in process `syz-executor320'. [pid 5650] write(3, "1000", 4 [pid 5640] <... sendmsg resumed>) = 20 [pid 5650] <... write resumed>) = 4 [pid 5650] close(3 [pid 5640] socket(AF_NETLINK, SOCK_DGRAM, NETLINK_ROUTE [pid 5650] <... close resumed>) = 0 [pid 5640] <... socket resumed>) = 4 [pid 5650] write(1, "executing program\n", 18 executing program [pid 5640] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=[{nlmsg_len=216, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|0x480, nlmsg_seq=2197258574, nlmsg_pid=79250651}, "\x02\x1d\x08\x02\x01\x00\x00\x00\x05\x00\xf0\xa1\x18\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0e\x12\x08\x00\x0f\x01\x00\x81\x04\x01\xa8\x00\x16\x00\x20\x00\x01\x40\x03\x00\x00\x08\x03\x60\x0c\xfa\xb9\x4d\xcf\x5c\x04\x61\xc1\xd6\x7f\x6f\x94\x00\x71\x34\xcf\x6e\xe0\x80\x00\xa0\xe4\x08\xe8\xd8\xef\x07\x5c\x11\x50\x3c\x6b\xba\xce\x80\x17\xcb\x09\x00\x00\x00\x1f\xb7\x91\x64\x3a\x5e\xe4\x00\x1b\x14\x62\x18"...], iov_len=216}], msg_iovlen=1, msg_controllen=0, msg_flags=MSG_SYN|MSG_RST|MSG_ERRQUEUE|MSG_NOSIGNAL}, MSG_CONFIRM|MSG_NOSIGNAL|MSG_FASTOPEN [pid 5650] <... write resumed>) = 18 [pid 5640] <... sendmsg resumed>) = 216 [pid 5650] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 5650] 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=0}, MSG_PROBE|MSG_EOR|MSG_MORE|MSG_ZEROCOPY [pid 5640] exit_group(0) = ? [pid 5640] +++ exited with 0 +++ [pid 5638] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5640, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5638] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5638] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5651 attached [pid 5642] <... sendmsg resumed>) = 20 [pid 5651] set_robust_list(0x55555c7526e0, 24 [pid 5638] <... clone resumed>, child_tidptr=0x55555c7526d0) = 5651 [pid 5642] socket(AF_NETLINK, SOCK_DGRAM, NETLINK_ROUTE [pid 5638] rt_sigprocmask(SIG_SETMASK, [] [pid 5651] <... set_robust_list resumed>) = 0 [pid 5642] <... socket resumed>) = 4 [pid 5638] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5651] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5651] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5651] setpgid(0, 0) = 0 [pid 5651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [ 95.549777][ T5640] netlink: 132 bytes leftover after parsing attributes in process `syz-executor320'. [pid 5642] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=[{nlmsg_len=216, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|0x480, nlmsg_seq=2197258574, nlmsg_pid=79250651}, "\x02\x1d\x08\x02\x01\x00\x00\x00\x05\x00\xf0\xa1\x18\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0e\x12\x08\x00\x0f\x01\x00\x81\x04\x01\xa8\x00\x16\x00\x20\x00\x01\x40\x03\x00\x00\x08\x03\x60\x0c\xfa\xb9\x4d\xcf\x5c\x04\x61\xc1\xd6\x7f\x6f\x94\x00\x71\x34\xcf\x6e\xe0\x80\x00\xa0\xe4\x08\xe8\xd8\xef\x07\x5c\x11\x50\x3c\x6b\xba\xce\x80\x17\xcb\x09\x00\x00\x00\x1f\xb7\x91\x64\x3a\x5e\xe4\x00\x1b\x14\x62\x18"...], iov_len=216}], msg_iovlen=1, msg_controllen=0, msg_flags=MSG_SYN|MSG_RST|MSG_ERRQUEUE|MSG_NOSIGNAL}, MSG_CONFIRM|MSG_NOSIGNAL|MSG_FASTOPEN [pid 5651] <... openat resumed>) = 3 [pid 5651] write(3, "1000", 4) = 4 [pid 5642] <... sendmsg resumed>) = 216 [pid 5651] close(3) = 0 [pid 5651] write(1, "executing program\n", 18) = 18 executing program [pid 5651] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 5642] exit_group(0 [pid 5651] 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=0}, MSG_PROBE|MSG_EOR|MSG_MORE|MSG_ZEROCOPY [pid 5642] <... exit_group resumed>) = ? [pid 5642] +++ exited with 0 +++ [pid 5639] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5642, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5639] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 5639] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5639] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55555c7526d0) = 5653 ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5653 attached [pid 5653] set_robust_list(0x55555c7526e0, 24 [pid 5639] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5653] <... set_robust_list resumed>) = 0 [pid 5653] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 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) = 3 [pid 5653] write(3, "1000", 4) = 4 [pid 5653] close(3) = 0 executing program [ 95.617517][ T5642] netlink: 132 bytes leftover after parsing attributes in process `syz-executor320'. [pid 5653] write(1, "executing program\n", 18) = 18 [pid 5644] <... sendmsg resumed>) = 20 [pid 5653] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [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=0}, MSG_PROBE|MSG_EOR|MSG_MORE|MSG_ZEROCOPY [pid 5644] socket(AF_NETLINK, SOCK_DGRAM, NETLINK_ROUTE) = 4 [pid 5644] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=[{nlmsg_len=216, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|0x480, nlmsg_seq=2197258574, nlmsg_pid=79250651}, "\x02\x1d\x08\x02\x01\x00\x00\x00\x05\x00\xf0\xa1\x18\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0e\x12\x08\x00\x0f\x01\x00\x81\x04\x01\xa8\x00\x16\x00\x20\x00\x01\x40\x03\x00\x00\x08\x03\x60\x0c\xfa\xb9\x4d\xcf\x5c\x04\x61\xc1\xd6\x7f\x6f\x94\x00\x71\x34\xcf\x6e\xe0\x80\x00\xa0\xe4\x08\xe8\xd8\xef\x07\x5c\x11\x50\x3c\x6b\xba\xce\x80\x17\xcb\x09\x00\x00\x00\x1f\xb7\x91\x64\x3a\x5e\xe4\x00\x1b\x14\x62\x18"...], iov_len=216}], msg_iovlen=1, msg_controllen=0, msg_flags=MSG_SYN|MSG_RST|MSG_ERRQUEUE|MSG_NOSIGNAL}, MSG_CONFIRM|MSG_NOSIGNAL|MSG_FASTOPEN) = 216 [pid 5644] exit_group(0) = ? [pid 5644] +++ exited with 0 +++ [pid 5641] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5644, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5641] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5641] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5654 attached , child_tidptr=0x55555c7526d0) = 5654 [pid 5654] set_robust_list(0x55555c7526e0, 24) = 0 [pid 5654] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5641] rt_sigprocmask(SIG_SETMASK, [] [pid 5654] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5654] setpgid(0, 0 [pid 5645] <... sendmsg resumed>) = 20 [pid 5641] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5654] <... setpgid resumed>) = 0 [pid 5645] socket(AF_NETLINK, SOCK_DGRAM, NETLINK_ROUTE [pid 5654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5645] <... socket resumed>) = 4 [pid 5654] <... openat resumed>) = 3 [ 95.698644][ T5644] netlink: 132 bytes leftover after parsing attributes in process `syz-executor320'. [pid 5645] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=[{nlmsg_len=216, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|0x480, nlmsg_seq=2197258574, nlmsg_pid=79250651}, "\x02\x1d\x08\x02\x01\x00\x00\x00\x05\x00\xf0\xa1\x18\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0e\x12\x08\x00\x0f\x01\x00\x81\x04\x01\xa8\x00\x16\x00\x20\x00\x01\x40\x03\x00\x00\x08\x03\x60\x0c\xfa\xb9\x4d\xcf\x5c\x04\x61\xc1\xd6\x7f\x6f\x94\x00\x71\x34\xcf\x6e\xe0\x80\x00\xa0\xe4\x08\xe8\xd8\xef\x07\x5c\x11\x50\x3c\x6b\xba\xce\x80\x17\xcb\x09\x00\x00\x00\x1f\xb7\x91\x64\x3a\x5e\xe4\x00\x1b\x14\x62\x18"...], iov_len=216}], msg_iovlen=1, msg_controllen=0, msg_flags=MSG_SYN|MSG_RST|MSG_ERRQUEUE|MSG_NOSIGNAL}, MSG_CONFIRM|MSG_NOSIGNAL|MSG_FASTOPEN [pid 5654] write(3, "1000", 4) = 4 [pid 5645] <... sendmsg resumed>) = 216 [pid 5654] close(3 [pid 5645] exit_group(0 [pid 5654] <... close resumed>) = 0 [pid 5645] <... exit_group resumed>) = ? [pid 5654] write(1, "executing program\n", 18) = 18 executing program [pid 5654] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5645] +++ exited with 0 +++ [pid 5643] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5645, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5654] <... socket resumed>) = 3 [pid 5654] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=[{nlmsg_len=20, nlmsg_type=0x27 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST, nlmsg_seq=524285, nlmsg_pid=4096}, "\x06\x00\x00\x00"], iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_PROBE|MSG_EOR|MSG_MORE|MSG_ZEROCOPY [pid 5643] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5643] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5655 attached [pid 5655] set_robust_list(0x55555c7526e0, 24 [pid 5650] <... sendmsg resumed>) = 20 [pid 5643] <... clone resumed>, child_tidptr=0x55555c7526d0) = 5655 [pid 5643] rt_sigprocmask(SIG_SETMASK, [] [pid 5650] socket(AF_NETLINK, SOCK_DGRAM, NETLINK_ROUTE [pid 5643] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5655] <... set_robust_list resumed>) = 0 [pid 5650] <... socket resumed>) = 4 [pid 5650] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=[{nlmsg_len=216, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|0x480, nlmsg_seq=2197258574, nlmsg_pid=79250651}, "\x02\x1d\x08\x02\x01\x00\x00\x00\x05\x00\xf0\xa1\x18\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0e\x12\x08\x00\x0f\x01\x00\x81\x04\x01\xa8\x00\x16\x00\x20\x00\x01\x40\x03\x00\x00\x08\x03\x60\x0c\xfa\xb9\x4d\xcf\x5c\x04\x61\xc1\xd6\x7f\x6f\x94\x00\x71\x34\xcf\x6e\xe0\x80\x00\xa0\xe4\x08\xe8\xd8\xef\x07\x5c\x11\x50\x3c\x6b\xba\xce\x80\x17\xcb\x09\x00\x00\x00\x1f\xb7\x91\x64\x3a\x5e\xe4\x00\x1b\x14\x62\x18"...], iov_len=216}], msg_iovlen=1, msg_controllen=0, msg_flags=MSG_SYN|MSG_RST|MSG_ERRQUEUE|MSG_NOSIGNAL}, MSG_CONFIRM|MSG_NOSIGNAL|MSG_FASTOPEN [pid 5655] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5650] <... sendmsg resumed>) = 216 [ 95.767155][ T5645] netlink: 132 bytes leftover after parsing attributes in process `syz-executor320'. [pid 5650] exit_group(0 [pid 5655] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5655] setpgid(0, 0) = 0 [pid 5655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5650] <... exit_group resumed>) = ? [pid 5655] <... openat resumed>) = 3 [pid 5655] write(3, "1000", 4) = 4 [pid 5655] close(3) = 0 [pid 5655] write(1, "executing program\n", 18) = 18 executing program [pid 5655] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5650] +++ exited with 0 +++ [pid 5655] <... socket resumed>) = 3 [pid 5636] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5650, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5655] 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=0}, MSG_PROBE|MSG_EOR|MSG_MORE|MSG_ZEROCOPY [pid 5636] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 5636] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5636] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5657 attached [ 95.829415][ T5650] netlink: 132 bytes leftover after parsing attributes in process `syz-executor320'. , child_tidptr=0x55555c7526d0) = 5657 [pid 5657] set_robust_list(0x55555c7526e0, 24 [pid 5651] <... sendmsg resumed>) = 20 [pid 5651] socket(AF_NETLINK, SOCK_DGRAM, NETLINK_ROUTE [pid 5636] rt_sigprocmask(SIG_SETMASK, [] [pid 5657] <... set_robust_list resumed>) = 0 [pid 5651] <... socket resumed>) = 4 [pid 5657] rt_sigprocmask(SIG_SETMASK, [] [pid 5651] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=[{nlmsg_len=216, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|0x480, nlmsg_seq=2197258574, nlmsg_pid=79250651}, "\x02\x1d\x08\x02\x01\x00\x00\x00\x05\x00\xf0\xa1\x18\x00\x02\x00\x00\x00\x00\x00\x00\x00\x0e\x12\x08\x00\x0f\x01\x00\x81\x04\x01\xa8\x00\x16\x00\x20\x00\x01\x40\x03\x00\x00\x08\x03\x60\x0c\xfa\xb9\x4d\xcf\x5c\x04\x61\xc1\xd6\x7f\x6f\x94\x00\x71\x34\xcf\x6e\xe0\x80\x00\xa0\xe4\x08\xe8\xd8\xef\x07\x5c\x11\x50\x3c\x6b\xba\xce\x80\x17\xcb\x09\x00\x00\x00\x1f\xb7\x91\x64\x3a\x5e\xe4\x00\x1b\x14\x62\x18"...], iov_len=216}], msg_iovlen=1, msg_controllen=0, msg_flags=MSG_SYN|MSG_RST|MSG_ERRQUEUE|MSG_NOSIGNAL}, MSG_CONFIRM|MSG_NOSIGNAL|MSG_FASTOPEN [pid 5657] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5636] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5657] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5651] <... sendmsg resumed>) = 216 [pid 5657] <... prctl resumed>) = 0 [pid 5657] setpgid(0, 0) = 0 [pid 5651] exit_group(0 [pid 5657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5651] <... exit_group resumed>) = ? [pid 5657] <... openat resumed>) = 3 [pid 5657] write(3, "1000", 4) = 4 [pid 5657] close(3) = 0 [pid 5651] +++ exited with 0 +++ executing program [pid 5657] write(1, "executing program\n", 18) = 18 [pid 5657] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 5638] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5651, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5638] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5657] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=[{nlmsg_len=20, nlmsg_type=0x27 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST, nlmsg_seq=524285, nlmsg_pid=4096}, "\x06\x00\x00\x00"], iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_PROBE|MSG_EOR|MSG_MORE|MSG_ZEROCOPY [pid 5638] <... restart_syscall resumed>) = 0 [pid 5638] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5638] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5659 attached , child_tidptr=0x55555c7526d0) = 5659 [ 95.915389][ T5651] netlink: 132 bytes leftover after parsing attributes in process `syz-executor320'. [pid 5659] set_robust_list(0x55555c7526e0, 24 [pid 5638] rt_sigprocmask(SIG_SETMASK, [] [pid 5659] <... set_robust_list resumed>) = 0 [pid 5638] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5659] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5659] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5659] setpgid(0, 0) = 0 [pid 5659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5659] write(3, "1000", 4) = 4 [pid 5659] close(3) = 0 [pid 5659] write(1, "executing program\n", 18) = 18 executing program [pid 5659] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [ 97.246119][ T9] cfg80211: failed to load regulatory.db [pid 5659] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=[{nlmsg_len=20, nlmsg_type=0x27 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST, nlmsg_seq=524285, nlmsg_pid=4096}, "\x06\x00\x00\x00"], iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_PROBE|MSG_EOR|MSG_MORE|MSG_ZEROCOPY [pid 5639] kill(-5653, SIGKILL) = 0 [pid 5639] kill(5653, SIGKILL) = 0 [pid 5641] kill(-5654, SIGKILL) = 0 [pid 5641] kill(5654, SIGKILL) = 0 [pid 5643] kill(-5655, SIGKILL) = 0 [pid 5643] kill(5655, SIGKILL) = 0 [pid 5636] kill(-5657, SIGKILL) = 0 [pid 5636] kill(5657, SIGKILL) = 0 [pid 5638] kill(-5659, SIGKILL) = 0 [pid 5638] kill(5659, SIGKILL) = 0 [pid 5639] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5639] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5639] getdents64(3, 0x55555c7537a0 /* 2 entries */, 32768) = 48 [pid 5639] getdents64(3, 0x55555c7537a0 /* 0 entries */, 32768) = 0 [pid 5639] 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, 0x55555c7537a0 /* 2 entries */, 32768) = 48 [pid 5641] getdents64(3, 0x55555c7537a0 /* 0 entries */, 32768) = 0 [pid 5641] close(3) = 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, 0x55555c7537a0 /* 2 entries */, 32768) = 48 [pid 5643] getdents64(3, 0x55555c7537a0 /* 0 entries */, 32768) = 0 [pid 5643] close(3) = 0 [pid 5636] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5636] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5636] getdents64(3, 0x55555c7537a0 /* 2 entries */, 32768) = 48 [pid 5636] getdents64(3, 0x55555c7537a0 /* 0 entries */, 32768) = 0 [pid 5636] close(3) = 0 [pid 5638] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5638] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5638] getdents64(3, 0x55555c7537a0 /* 2 entries */, 32768) = 48 [pid 5638] getdents64(3, 0x55555c7537a0 /* 0 entries */, 32768) = 0 [pid 5638] close(3) = 0 [ 291. ** replaying previous printk message ** [ 291.803721][ T32] INFO: task syz-executor320:5654 blocked for more than 143 seconds. [ 291.803767][ T32] Not tainted syzkaller #0 [ 291.803776][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 291.803783][ T32] task:syz-executor320 state:D stack:27408 pid:5654 tgid:5654 ppid:5641 task_flags:0x400140 flags:0x00080002 [ 291.803999][ T32] Call Trace: [ 291.804011][ T32] [ 291.804028][ T32] __schedule+0x17db/0x58f0 [ 291.804087][ T32] ? __pfx___schedule+0x10/0x10 [ 291.804116][ T32] ? schedule+0x90/0x2b0 [ 291.804138][ T32] schedule+0x164/0x2b0 [ 291.804160][ T32] schedule_preempt_disabled+0x13/0x30 [ 291.804180][ T32] __mutex_lock+0x7c1/0x1550 [ 291.804210][ T32] ? __mutex_lock+0x5d4/0x1550 [ 291.804243][ T32] ? nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 291.804274][ T32] ? __pfx___mutex_lock+0x10/0x10 [ 291.804295][ T32] ? __kasan_kmalloc+0x93/0xb0 [ 291.804325][ T32] ? __nla_validate_parse+0x2429/0x2d50 [ 291.804342][ T32] ? do_syscall_64+0x166/0x520 [ 291.804364][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 291.804391][ T32] nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 291.804426][ T32] ? __pfx___nla_validate_parse+0x10/0x10 [ 291.804458][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 291.804487][ T32] ? trace_kmalloc+0x2a/0xf0 [ 291.804510][ T32] ? __kmalloc_noprof+0x38c/0x720 [ 291.804541][ T32] ? __nla_parse+0x40/0x60 [ 291.804561][ T32] ? genl_family_rcv_msg_attrs_parse+0x20b/0x2f0 [ 291.804592][ T32] ? genl_family_rcv_msg_attrs_parse+0x265/0x2f0 [ 291.804630][ T32] genl_family_rcv_msg_doit+0x233/0x340 [ 291.804666][ T32] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 291.804706][ T32] ? bpf_lsm_capable+0x9/0x20 [ 291.804725][ T32] ? security_capable+0x7e/0x2c0 [ 291.804758][ T32] genl_rcv_msg+0x614/0x7a0 [ 291.804798][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 291.804827][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 291.804872][ T32] netlink_rcv_skb+0x226/0x4a0 [ 291.804903][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 291.804933][ T32] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 291.804969][ T32] ? down_read+0x2be/0x330 [ 291.804996][ T32] genl_rcv+0x28/0x40 [ 291.805023][ T32] netlink_unicast+0x8ef/0xa80 [ 291.805058][ T32] netlink_sendmsg+0x813/0xb40 [ 291.805090][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 291.805121][ T32] ? apparmor_socket_sendmsg+0x98/0x360 [ 291.805144][ T32] ? rcu_is_watching+0x16/0xb0 [ 291.805169][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 291.805191][ T32] sock_sendmsg_nosec+0x13a/0x180 [ 291.805219][ T32] ____sys_sendmsg+0x54e/0x850 [ 291.805244][ T32] ? __pfx_____sys_sendmsg+0x10/0x10 [ 291.805271][ T32] ? import_iovec+0x73/0xa0 [ 291.805303][ T32] ___sys_sendmsg+0x2a5/0x360 [ 291.805322][ T32] ? __lock_acquire+0x747/0x2de0 [ 291.805346][ T32] ? __pfx____sys_sendmsg+0x10/0x10 [ 291.805410][ T32] __x64_sys_sendmsg+0x1b1/0x290 [ 291.805430][ T32] ? _raw_spin_unlock_irq+0x2e/0x50 [ 291.805450][ T32] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 291.805477][ T32] ? do_user_addr_fault+0xc4c/0x1340 [ 291.805506][ T32] do_syscall_64+0x166/0x520 [ 291.805528][ T32] ? trace_irq_disable+0x3b/0x140 [ 291.805548][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 291.805567][ T32] ? clear_bhb_loop+0x70/0xc0 [ 291.805590][ T32] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 291.805609][ T32] RIP: 0033:0x7f4f23dc9679 [ 291.805638][ T32] RSP: 002b:00007ffccf707d18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 291.805657][ T32] RAX: ffffffffffffffda RBX: 0000200000000040 RCX: 00007f4f23dc9679 [ 291.805671][ T32] RDX: 0000000004008090 RSI: 0000200000000140 RDI: 0000000000000003 [ 291.805683][ T32] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000009 [ 291.805694][ T32] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000017418 [ 291.805705][ T32] R13: 00007ffccf707d2c R14: 00007ffccf707d40 R15: 00007ffccf707d30 [ 291.805734][ T32] [ 291.805743][ T32] INFO: task syz-executor320:5655 blocked for more than 143 seconds. [ 291.805757][ T32] Not tainted syzkaller #0 [ 291.805766][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 291.805774][ T32] task:syz-executor320 state:D stack:26840 pid:5655 tgid:5655 ppid:5643 task_flags:0x400140 flags:0x00080002 [ 291.805826][ T32] Call Trace: [ 291.805832][ T32] [ 291.805842][ T32] __schedule+0x17db/0x58f0 [ 291.805885][ T32] ? __pfx___schedule+0x10/0x10 [ 291.805922][ T32] ? schedule+0x90/0x2b0 [ 291.805944][ T32] schedule+0x164/0x2b0 [ 291.805966][ T32] schedule_preempt_disabled+0x13/0x30 [ 291.805987][ T32] __mutex_lock+0x7c1/0x1550 [ 291.806014][ T32] ? __mutex_lock+0x5d4/0x1550 [ 291.806039][ T32] ? nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 291.806069][ T32] ? __pfx___mutex_lock+0x10/0x10 [ 291.806090][ T32] ? __kasan_kmalloc+0x93/0xb0 [ 291.806120][ T32] ? __nla_validate_parse+0x2429/0x2d50 [ 291.806137][ T32] ? do_syscall_64+0x166/0x520 [ 291.806158][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 291.806184][ T32] nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 291.806217][ T32] ? __pfx___nla_validate_parse+0x10/0x10 [ 291.806249][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 291.806277][ T32] ? trace_kmalloc+0x2a/0xf0 [ 291.806306][ T32] ? __kmalloc_noprof+0x38c/0x720 [ 291.806329][ T32] ? __nla_parse+0x40/0x60 [ 291.806349][ T32] ? genl_family_rcv_msg_attrs_parse+0x20b/0x2f0 [ 291.806378][ T32] ? genl_family_rcv_msg_attrs_parse+0x265/0x2f0 [ 291.806416][ T32] genl_family_rcv_msg_doit+0x233/0x340 [ 291.806451][ T32] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 291.806491][ T32] ? bpf_lsm_capable+0x9/0x20 [ 291.806509][ T32] ? security_capable+0x7e/0x2c0 [ 291.806541][ T32] genl_rcv_msg+0x614/0x7a0 [ 291.806575][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 291.806603][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 291.806643][ T32] netlink_rcv_skb+0x226/0x4a0 [ 291.806667][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 291.806697][ T32] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 291.806742][ T32] ? down_read+0x2be/0x330 [ 291.806770][ T32] genl_rcv+0x28/0x40 [ 291.806795][ T32] netlink_unicast+0x8ef/0xa80 [ 291.806830][ T32] netlink_sendmsg+0x813/0xb40 [ 291.806861][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 291.806898][ T32] ? apparmor_socket_sendmsg+0x98/0x360 [ 291.806925][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 291.806948][ T32] sock_sendmsg_nosec+0x13a/0x180 [ 291.806974][ T32] ____sys_sendmsg+0x54e/0x850 [ 291.806998][ T32] ? __pfx_____sys_sendmsg+0x10/0x10 [ 291.807032][ T32] ? import_iovec+0x73/0xa0 [ 291.807063][ T32] ___sys_sendmsg+0x2a5/0x360 [ 291.807082][ T32] ? __lock_acquire+0x747/0x2de0 [ 291.807105][ T32] ? __pfx____sys_sendmsg+0x10/0x10 [ 291.807167][ T32] __x64_sys_sendmsg+0x1b1/0x290 [ 291.807194][ T32] ? _raw_spin_unlock_irq+0x2e/0x50 [ 291.807214][ T32] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 291.807252][ T32] do_syscall_64+0x166/0x520 [ 291.807273][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 291.807292][ T32] ? clear_bhb_loop+0x70/0xc0 [ 291.807315][ T32] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 291.807333][ T32] RIP: 0033:0x7f4f23dc9679 [ 291.807348][ T32] RSP: 002b:00007ffccf707d18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 291.807365][ T32] RAX: ffffffffffffffda RBX: 0000200000000040 RCX: 00007f4f23dc9679 [ 291.807379][ T32] RDX: 0000000004008090 RSI: 0000200000000140 RDI: 0000000000000003 [ 291.807391][ T32] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000009 [ 291.807404][ T32] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000001743a [ 291.807415][ T32] R13: 00007ffccf707d2c R14: 00007ffccf707d40 R15: 00007ffccf707d30 [ 291.807443][ T32] [ 291.807450][ T32] INFO: task syz-executor320:5657 blocked for more than 143 seconds. [ 291.807463][ T32] Not tainted syzkaller #0 [ 291.807472][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 291.807479][ T32] task:syz-executor320 state:D stack:27408 pid:5657 tgid:5657 ppid:5636 task_flags:0x400140 flags:0x00080002 [ 291.807532][ T32] Call Trace: [ 291.807538][ T32] [ 291.807548][ T32] __schedule+0x17db/0x58f0 [ 291.807590][ T32] ? __pfx___schedule+0x10/0x10 [ 291.807617][ T32] ? schedule+0x90/0x2b0 [ 291.807644][ T32] schedule+0x164/0x2b0 [ 291.807665][ T32] schedule_preempt_disabled+0x13/0x30 [ 291.807684][ T32] __mutex_lock+0x7c1/0x1550 [ 291.807710][ T32] ? __mutex_lock+0x5d4/0x1550 [ 291.807735][ T32] ? nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 291.807765][ T32] ? __pfx___mutex_lock+0x10/0x10 [ 291.807786][ T32] ? __kasan_kmalloc+0x93/0xb0 [ 291.807815][ T32] ? __nla_validate_parse+0x2429/0x2d50 [ 291.807832][ T32] ? do_syscall_64+0x166/0x520 [ 291.807852][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 291.807878][ T32] nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 291.807918][ T32] ? __pfx___nla_validate_parse+0x10/0x10 [ 291.807949][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 291.807978][ T32] ? trace_kmalloc+0x2a/0xf0 [ 291.808000][ T32] ? __kmalloc_noprof+0x38c/0x720 [ 291.808023][ T32] ? __nla_parse+0x40/0x60 [ 291.808043][ T32] ? genl_family_rcv_msg_attrs_parse+0x20b/0x2f0 [ 291.808073][ T32] ? genl_family_rcv_msg_attrs_parse+0x265/0x2f0 [ 291.808109][ T32] genl_family_rcv_msg_doit+0x233/0x340 [ 291.808145][ T32] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 291.808185][ T32] ? bpf_lsm_capable+0x9/0x20 [ 291.808209][ T32] ? security_capable+0x7e/0x2c0 [ 291.808240][ T32] genl_rcv_msg+0x614/0x7a0 [ 291.808274][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 291.808301][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 291.808341][ T32] netlink_rcv_skb+0x226/0x4a0 [ 291.808365][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 291.808395][ T32] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 291.808437][ T32] ? down_read+0x2be/0x330 [ 291.808464][ T32] genl_rcv+0x28/0x40 [ 291.808489][ T32] netlink_unicast+0x8ef/0xa80 [ 291.808524][ T32] netlink_sendmsg+0x813/0xb40 [ 291.808556][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 291.808586][ T32] ? apparmor_socket_sendmsg+0x98/0x360 [ 291.808610][ T32] ? rcu_is_watching+0x16/0xb0 [ 291.808635][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 291.808658][ T32] sock_sendmsg_nosec+0x13a/0x180 [ 291.808685][ T32] ____sys_sendmsg+0x54e/0x850 [ 291.808709][ T32] ? __pfx_____sys_sendmsg+0x10/0x10 [ 291.808737][ T32] ? import_iovec+0x73/0xa0 [ 291.808768][ T32] ___sys_sendmsg+0x2a5/0x360 [ 291.808787][ T32] ? __lock_acquire+0x747/0x2de0 [ 291.808810][ T32] ? __pfx____sys_sendmsg+0x10/0x10 [ 291.808872][ T32] __x64_sys_sendmsg+0x1b1/0x290 [ 291.808896][ T32] ? _raw_spin_unlock_irq+0x2e/0x50 [ 291.808916][ T32] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 291.808943][ T32] ? do_user_addr_fault+0xc4c/0x1340 [ 291.808971][ T32] do_syscall_64+0x166/0x520 [ 291.808992][ T32] ? trace_irq_disable+0x3b/0x140 [ 291.809012][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 291.809030][ T32] ? clear_bhb_loop+0x70/0xc0 [ 291.809053][ T32] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 291.809071][ T32] RIP: 0033:0x7f4f23dc9679 [ 291.809085][ T32] RSP: 002b:00007ffccf707d18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 291.809102][ T32] RAX: ffffffffffffffda RBX: 0000200000000040 RCX: 00007f4f23dc9679 [ 291.809115][ T32] RDX: 0000000004008090 RSI: 0000200000000140 RDI: 0000000000000003 [ 291.809127][ T32] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000009 [ 291.809138][ T32] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000174a3 [ 291.809149][ T32] R13: 00007ffccf707d2c R14: 00007ffccf707d40 R15: 00007ffccf707d30 [ 291.809177][ T32] [ 291.809184][ T32] INFO: task syz-executor320:5659 blocked for more than 143 seconds. [ 291.809197][ T32] Not tainted syzkaller #0 [ 291.809205][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 291.809212][ T32] task:syz-executor320 state:D stack:26688 pid:5659 tgid:5659 ppid:5638 task_flags:0x400140 flags:0x00080002 [ 291.809264][ T32] Call Trace: [ 291.809269][ T32] [ 291.809279][ T32] __schedule+0x17db/0x58f0 [ 291.809321][ T32] ? __pfx___schedule+0x10/0x10 [ 291.809348][ T32] ? schedule+0x90/0x2b0 [ 291.809370][ T32] schedule+0x164/0x2b0 [ 291.809391][ T32] schedule_preempt_disabled+0x13/0x30 [ 291.809410][ T32] __mutex_lock+0x7c1/0x1550 [ 291.809436][ T32] ? __mutex_lock+0x5d4/0x1550 [ 291.809460][ T32] ? nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 291.809490][ T32] ? __pfx___mutex_lock+0x10/0x10 [ 291.809510][ T32] ? __kasan_kmalloc+0x93/0xb0 [ 291.809540][ T32] ? __nla_validate_parse+0x2429/0x2d50 [ 291.809556][ T32] ? do_syscall_64+0x166/0x520 [ 291.809578][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 291.809604][ T32] nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 291.809637][ T32] ? __pfx___nla_validate_parse+0x10/0x10 [ 291.809668][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 291.809697][ T32] ? trace_kmalloc+0x2a/0xf0 [ 291.809719][ T32] ? __kmalloc_noprof+0x38c/0x720 [ 291.809742][ T32] ? __nla_parse+0x40/0x60 [ 291.809762][ T32] ? genl_family_rcv_msg_attrs_parse+0x20b/0x2f0 [ 291.809792][ T32] ? genl_family_rcv_msg_attrs_parse+0x265/0x2f0 [ 291.809828][ T32] genl_family_rcv_msg_doit+0x233/0x340 [ 291.809864][ T32] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 291.809910][ T32] ? bpf_lsm_capable+0x9/0x20 [ 291.809929][ T32] ? security_capable+0x7e/0x2c0 [ 291.809960][ T32] genl_rcv_msg+0x614/0x7a0 [ 291.809993][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 291.810021][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 291.810061][ T32] netlink_rcv_skb+0x226/0x4a0 [ 291.810084][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 291.810114][ T32] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 291.810149][ T32] ? down_read+0x2be/0x330 [ 291.810177][ T32] genl_rcv+0x28/0x40 [ 291.810203][ T32] netlink_unicast+0x8ef/0xa80 [ 291.810237][ T32] netlink_sendmsg+0x813/0xb40 [ 291.810268][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 291.810299][ T32] ? apparmor_socket_sendmsg+0x98/0x360 [ 291.810326][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 291.810349][ T32] sock_sendmsg_nosec+0x13a/0x180 [ 291.810376][ T32] ____sys_sendmsg+0x54e/0x850 [ 291.810401][ T32] ? __pfx_____sys_sendmsg+0x10/0x10 [ 291.810428][ T32] ? import_iovec+0x73/0xa0 [ 291.810459][ T32] ___sys_sendmsg+0x2a5/0x360 [ 291.810479][ T32] ? __lock_acquire+0x747/0x2de0 [ 291.810502][ T32] ? __pfx____sys_sendmsg+0x10/0x10 [ 291.810564][ T32] __x64_sys_sendmsg+0x1b1/0x290 [ 291.810583][ T32] ? _raw_spin_unlock_irq+0x2e/0x50 [ 291.810605][ T32] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 291.810632][ T32] ? do_user_addr_fault+0xc4c/0x1340 [ 291.810660][ T32] do_syscall_64+0x166/0x520 [ 291.810681][ T32] ? trace_irq_disable+0x3b/0x140 [ 291.810701][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 291.810719][ T32] ? clear_bhb_loop+0x70/0xc0 [ 291.810742][ T32] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 291.810760][ T32] RIP: 0033:0x7f4f23dc9679 [ 291.810774][ T32] RSP: 002b:00007ffccf707d18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 291.810791][ T32] RAX: ffffffffffffffda RBX: 0000200000000040 RCX: 00007f4f23dc9679 [ 291.810804][ T32] RDX: 0000000004008090 RSI: 0000200000000140 RDI: 0000000000000003 [ 291.810816][ T32] RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000009 [ 291.810827][ T32] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000017507 [ 291.810839][ T32] R13: 00007ffccf707d2c R14: 00007ffccf707d40 R15: 00007ffccf707d30 [ 291.810867][ T32] [ 291.810885][ T32] [ 291.810885][ T32] Showing all locks held in the system: [ 291.810901][ T32] locks held by khungtaskd/32: 1, last CPU#0: [ 291.810915][ T32] #0: ffffffff8fd5c8e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 [ 291.810966][ T32] locks held by kworker/u8:4/59: 2, on CPU#0: [ 291.810978][ T32] #0: ffff88801c0ac140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 [ 291.811028][ T32] #1: ffffc9000200fc40 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 [ 291.811102][ T32] locks held by getty/5376: 2, on CPU#1: [ 291.811114][ T32] #0: ffff888036b120a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 291.811161][ T32] #1: ffffc9000323b2e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45a/0x1360 [ 291.811216][ T32] locks held by syz-executor320/5653: 2, on CPU#1: [ 291.811228][ T32] #0: ffffffff912c6888 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 291.811278][ T32] #1: ffffffff9009f9a0 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 291.811329][ T32] locks held by syz-executor320/5654: 2, on CPU#1: [ 291.811341][ T32] #0: ffffffff912c6888 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 291.811389][ T32] #1: ffffffff9009f9a0 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 291.811438][ T32] locks held by syz-executor320/5655: 2, on CPU#0: [ 291.811451][ T32] #0: ffffffff912c6888 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 291.811499][ T32] #1: ffffffff9009f9a0 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 291.811548][ T32] locks held by syz-executor320/5657: 2, on CPU#1: [ 291.811560][ T32] #0: ffffffff912c6888 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 291.811608][ T32] #1: ffffffff9009f9a0 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 291.811657][ T32] locks held by syz-executor320/5659: 2, on CPU#1: [ 291.811669][ T32] #0: ffffffff912c6888 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 291.811727][ T32] #1: ffffffff9009f9a0 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 291.811778][ T32] [ 291.811783][ T32] ============================================= [ 291.811783][ T32] [ 291.811800][ T32] NMI backtrace for cpu 0 [ 291.811820][ T32] CPU: 0 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 291.811839][ T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 291.811849][ T32] Call Trace: [ 291.811856][ T32] [ 291.811863][ T32] dump_stack_lvl+0xe8/0x150 [ 291.811974][ T32] nmi_cpu_backtrace+0x274/0x2d0 [ 291.812013][ T32] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 291.812042][ T32] nmi_trigger_cpumask_backtrace+0x17d/0x390 [ 291.812071][ T32] sys_info+0x135/0x170 [ 291.812095][ T32] watchdog+0xfd7/0x1030 [ 291.812119][ T32] ? watchdog+0x1c7/0x1030 [ 291.812150][ T32] kthread+0x38b/0x480 [ 291.812335][ T32] ? __pfx_watchdog+0x10/0x10 [ 291.812416][ T32] ? __pfx_kthread+0x10/0x10 [ 291.812436][ T32] ret_from_fork+0x514/0xb70 [ 291.812455][ T32] ? __pfx_ret_from_fork+0x10/0x10 [ 291.812470][ T32] ? __switch_to+0xc89/0x1420 [ 291.812501][ T32] ? __pfx_kthread+0x10/0x10 [ 291.812518][ T32] ret_from_fork_asm+0x1a/0x30 [ 291.812545][ T32] [ 291.812552][ T32] Sending NMI from CPU 0 to CPUs 1: [ 291.812655][ C1] NMI backtrace for cpu 1 [ 291.812671][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 PREEMPT(full) [ 291.812691][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 291.812702][ C1] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 291.812727][ 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 [ 291.812742][ C1] RSP: 0018:ffffc900001a7e40 EFLAGS: 00000242 [ 291.812759][ C1] RAX: 000000000004e589 RBX: ffffffff819bec0c RCX: 8000000000000001 [ 291.812773][ C1] RDX: 0000000000000001 RSI: ffffffff8e469cbf RDI: ffffffff8c6ddb80 [ 291.812787][ C1] RBP: ffffc900001a7f10 R08: ffff8880b8533a1b R09: 1ffff110170a6743 [ 291.812801][ C1] R10: dffffc0000000000 R11: ffffed10170a6744 R12: 0000000000000000 [ 291.812814][ C1] R13: 1ffff11003ed1bb8 R14: 1ffff92000034fd0 R15: dffffc0000000000 [ 291.812828][ C1] FS: 0000000000000000(0000) GS:ffff888123bbf000(0000) knlGS:0000000000000000 [ 291.812843][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 291.812856][ C1] CR2: 000055820243c168 CR3: 000000007992c000 CR4: 00000000003526f0 [ 291.812904][ C1] Call Trace: [ 291.812911][ C1] [ 291.812918][ C1] default_idle+0x9/0x20 [ 291.812942][ C1] default_idle_call+0x72/0xb0 [ 291.812968][ C1] do_idle+0x1cc/0x540 [ 291.812988][ C1] ? __pfx_do_idle+0x10/0x10 [ 291.813011][ C1] cpu_startup_entry+0x43/0x60 [ 291.813030][ C1] start_secondary+0x101/0x110 [ 291.813060][ C1] common_startup_64+0x13e/0x157 [ 291.813093][ C1] [ 291.813687][ T32] Kernel panic - not syncing: hung_task: blocked tasks [ 293.910435][ T32] CPU: 0 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 293.919867][ T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 293.931287][ T32] Call Trace: [ 293.934607][ T32] [ 293.937583][ T32] vpanic+0x56d/0xa60 [ 293.941607][ T32] ? __pfx_vpanic+0x10/0x10 [ 293.946153][ T32] ? console_srcu_read_unlock+0x3a/0x60 [ 293.951733][ T32] panic+0xc5/0xd0 [ 293.955484][ T32] ? __pfx_panic+0x10/0x10 [ 293.960130][ T32] ? wq_watchdog_touch+0xf9/0x160 [ 293.965241][ T32] ? nmi_trigger_cpumask_backtrace+0x24d/0x390 [ 293.972541][ T32] watchdog+0x1030/0x1030 [ 293.977727][ T32] ? watchdog+0x1c7/0x1030 [ 293.982373][ T32] kthread+0x38b/0x480 [ 293.987997][ T32] ? __pfx_watchdog+0x10/0x10 [ 293.994228][ T32] ? __pfx_kthread+0x10/0x10 [ 293.998884][ T32] ret_from_fork+0x514/0xb70 [ 294.003604][ T32] ? __pfx_ret_from_fork+0x10/0x10 [ 294.009048][ T32] ? __switch_to+0xc89/0x1420 [ 294.014211][ T32] ? __pfx_kthread+0x10/0x10 [ 294.019657][ T32] ret_from_fork_asm+0x1a/0x30 [ 294.024484][ T32] [ 294.028333][ T32] Kernel Offset: disabled [ 294.032682][ T32] Rebooting in 86400 seconds..