ci-upstream-net-kasan-gce/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci-upstream-net-kasan-gce/syz-executor729822769 <...> Warning: Permanently added '10.128.0.160' (ED25519) to the list of known hosts. execve("ci-upstream-net-kasan-gce/syz-executor729822769", ["ci-upstream-net-kasan-gce/syz-executor729822769"], 0x7ffd5b66d3b0 /* 10 vars */) = 0 brk(NULL) = 0x55556e8a8000 brk(0x55556e8a8d80) = 0x55556e8a8d80 arch_prctl(ARCH_SET_FS, 0x55556e8a8400) = 0 set_tid_address(0x55556e8a86d0) = 5648 set_robust_list(0x55556e8a86e0, 24) = 0 rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 33, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci-upstream-net-kasan-gce/syz-executor729822769", 4096) = 53 getrandom("\x8b\xd0\x62\xa6\x09\xb7\xaa\x61", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556e8a8d80 brk(0x55556e8c9d80) = 0x55556e8c9d80 brk(0x55556e8ca000) = 0x55556e8ca000 mprotect(0x7f8e32999000, 20480, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-net-kasan-gce/strace-static-x86_64: Process 5649 attached , child_tidptr=0x55556e8a86d0) = 5649 [pid 5649] set_robust_list(0x55556e8a86e0, 24) = 0 [pid 5648] rt_sigprocmask(SIG_SETMASK, [] [pid 5649] rt_sigprocmask(SIG_SETMASK, [] [pid 5648] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5648] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5649] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5648] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5649] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5649] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-net-kasan-gce/strace-static-x86_64: Process 5650 attached ci-upstream-net-kasan-gce/strace-static-x86_64: Process 5651 attached [pid 5648] <... clone resumed>, child_tidptr=0x55556e8a86d0) = 5650 [pid 5650] set_robust_list(0x55556e8a86e0, 24 [pid 5649] <... clone resumed>, child_tidptr=0x55556e8a86d0) = 5651 [pid 5648] rt_sigprocmask(SIG_SETMASK, [] [pid 5651] set_robust_list(0x55556e8a86e0, 24 [pid 5650] <... set_robust_list resumed>) = 0 [pid 5651] <... set_robust_list resumed>) = 0 [pid 5650] rt_sigprocmask(SIG_SETMASK, [] [pid 5648] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5651] rt_sigprocmask(SIG_SETMASK, [] [pid 5650] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5649] rt_sigprocmask(SIG_SETMASK, [] [pid 5651] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5648] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5650] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5649] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5648] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5651] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5648] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5650] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5650] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5651] <... prctl resumed>) = 0 [pid 5651] setpgid(0, 0) = 0 ci-upstream-net-kasan-gce/strace-static-x86_64: Process 5653 attached ci-upstream-net-kasan-gce/strace-static-x86_64: Process 5652 attached [pid 5651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5650] <... clone resumed>, child_tidptr=0x55556e8a86d0) = 5652 [pid 5648] <... clone resumed>, child_tidptr=0x55556e8a86d0) = 5653 [pid 5648] rt_sigprocmask(SIG_SETMASK, [] [pid 5653] set_robust_list(0x55556e8a86e0, 24 [pid 5651] <... openat resumed>) = 3 [pid 5650] rt_sigprocmask(SIG_SETMASK, [] [pid 5648] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5653] <... set_robust_list resumed>) = 0 [pid 5652] set_robust_list(0x55556e8a86e0, 24 [pid 5651] write(3, "1000", 4 [pid 5650] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5653] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5648] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5653] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5652] <... set_robust_list resumed>) = 0 [pid 5651] <... write resumed>) = 4 [pid 5648] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5652] rt_sigprocmask(SIG_SETMASK, [] [pid 5648] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5652] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5653] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5651] close(3 [pid 5653] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5651] <... close resumed>) = 0 executing program ci-upstream-net-kasan-gce/strace-static-x86_64: Process 5654 attached [pid 5651] write(1, "executing program\n", 18 [pid 5652] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5651] <... write resumed>) = 18 ci-upstream-net-kasan-gce/strace-static-x86_64: Process 5655 attached [pid 5654] set_robust_list(0x55556e8a86e0, 24 [pid 5653] <... clone resumed>, child_tidptr=0x55556e8a86d0) = 5654 [pid 5652] <... prctl resumed>) = 0 [pid 5651] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 5654] <... set_robust_list resumed>) = 0 [pid 5653] rt_sigprocmask(SIG_SETMASK, [] [pid 5652] setpgid(0, 0 [pid 5655] set_robust_list(0x55556e8a86e0, 24 [pid 5651] <... socket resumed>) = 3 [pid 5648] <... clone resumed>, child_tidptr=0x55556e8a86d0) = 5655 [pid 5655] <... set_robust_list resumed>) = 0 [pid 5654] rt_sigprocmask(SIG_SETMASK, [] [pid 5653] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5652] <... setpgid resumed>) = 0 [pid 5651] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=[{nlmsg_len=40, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|0x800, nlmsg_seq=4294967294, nlmsg_pid=0}, "\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x1c\x06\x00\x08\x00\x1b\x00\x00\x00\x00\x00"], iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5648] rt_sigprocmask(SIG_SETMASK, [] [pid 5655] rt_sigprocmask(SIG_SETMASK, [] [pid 5654] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5648] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5655] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5654] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5652] <... openat resumed>) = 3 [pid 5648] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5652] write(3, "1000", 4 [pid 5648] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5655] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5654] <... prctl resumed>) = 0 [pid 5652] <... write resumed>) = 4 [pid 5648] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5655] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5654] setpgid(0, 0 [pid 5652] close(3ci-upstream-net-kasan-gce/strace-static-x86_64: Process 5656 attached [pid 5655] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5654] <... setpgid resumed>) = 0 [pid 5652] <... close resumed>) = 0 [pid 5656] set_robust_list(0x55556e8a86e0, 24 [pid 5654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 5652] write(1, "executing program\n", 18 [pid 5654] <... openat resumed>) = 3 [pid 5652] <... write resumed>) = 18 [pid 5652] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 5656] <... set_robust_list resumed>) = 0 [pid 5652] <... socket resumed>) = 3 [pid 5654] write(3, "1000", 4 [pid 5652] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=[{nlmsg_len=40, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|0x800, nlmsg_seq=4294967294, nlmsg_pid=0}, "\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x1c\x06\x00\x08\x00\x1b\x00\x00\x00\x00\x00"], iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5648] <... clone resumed>, child_tidptr=0x55556e8a86d0) = 5656 [pid 5656] rt_sigprocmask(SIG_SETMASK, [] [pid 5654] <... write resumed>) = 4 ci-upstream-net-kasan-gce/strace-static-x86_64: Process 5657 attached [pid 5648] rt_sigprocmask(SIG_SETMASK, [] [pid 5655] <... clone resumed>, child_tidptr=0x55556e8a86d0) = 5657 [pid 5654] close(3 [pid 5648] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5655] rt_sigprocmask(SIG_SETMASK, [] [pid 5654] <... close resumed>) = 0 [pid 5657] set_robust_list(0x55556e8a86e0, 24 [pid 5656] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5655] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 5654] write(1, "executing program\n", 18 [pid 5657] <... set_robust_list resumed>) = 0 [pid 5656] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5654] <... write resumed>) = 18 [pid 5654] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 5656] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5654] <... socket resumed>) = 3 [pid 5656] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5654] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=[{nlmsg_len=40, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|0x800, nlmsg_seq=4294967294, nlmsg_pid=0}, "\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x1c\x06\x00\x08\x00\x1b\x00\x00\x00\x00\x00"], iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5657] rt_sigprocmask(SIG_SETMASK, []ci-upstream-net-kasan-gce/strace-static-x86_64: Process 5659 attached , NULL, 8) = 0 [pid 5659] set_robust_list(0x55556e8a86e0, 24 [pid 5657] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5656] <... clone resumed>, child_tidptr=0x55556e8a86d0) = 5659 [pid 5656] rt_sigprocmask(SIG_SETMASK, [] [pid 5659] <... set_robust_list resumed>) = 0 [pid 5659] rt_sigprocmask(SIG_SETMASK, [] [pid 5656] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5659] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5659] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5657] <... prctl resumed>) = 0 [pid 5659] <... prctl resumed>) = 0 [pid 5657] setpgid(0, 0 [pid 5659] setpgid(0, 0) = 0 [pid 5659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5657] <... setpgid resumed>) = 0 [pid 5659] write(3, "1000", 4) = 4 [pid 5659] close(3) = 0 [pid 5657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 5659] write(1, "executing program\n", 18) = 18 [pid 5657] <... openat resumed>) = 3 [pid 5659] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 5657] write(3, "1000", 4 [pid 5659] <... socket resumed>) = 3 [pid 5657] <... write resumed>) = 4 [pid 5657] close(3 [pid 5659] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=[{nlmsg_len=40, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|0x800, nlmsg_seq=4294967294, nlmsg_pid=0}, "\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2f\x1c\x06\x00\x08\x00\x1b\x00\x00\x00\x00\x00"], iov_len=40}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5657] <... close resumed>) = 0 executing program [pid 5657] write(1, "executing program\n", 18) = 18 [pid 5657] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [ 429.939421][ T31] INFO: task syz-executor729:5652 blocked for more than 143 seconds. [ 429.947698][ T31] Not tainted syzkaller #0 [ 429.952767][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 429.961656][ T31] task:syz-executor729 state:D stack:26752 pid:5652 tgid:5652 ppid:5650 task_flags:0x400140 flags:0x00080002 [ 429.973818][ T31] Call Trace: [ 429.977187][ T31] [ 429.980292][ T31] __schedule+0x17d4/0x5630 [ 429.985189][ T31] ? is_bpf_text_address+0x292/0x2b0 [ 429.990709][ T31] ? __pfx___schedule+0x10/0x10 [ 429.995610][ T31] ? schedule+0x90/0x2b0 [ 429.999944][ T31] schedule+0x164/0x2b0 [ 430.004139][ T31] schedule_preempt_disabled+0x13/0x30 [ 430.009688][ T31] __mutex_lock+0x7c1/0x1550 [ 430.014317][ T31] ? __mutex_lock+0x5d4/0x1550 [ 430.019185][ T31] ? nfsd_nl_listener_set_doit+0x135/0x1750 [ 430.025253][ T31] ? __pfx___mutex_lock+0x10/0x10 [ 430.030372][ T31] ? __asan_memset+0x22/0x50 [ 430.035131][ T31] ? __nla_validate_parse+0x2429/0x2d50 [ 430.040887][ T31] nfsd_nl_listener_set_doit+0x135/0x1750 [ 430.046644][ T31] ? __pfx___nla_validate_parse+0x10/0x10 [ 430.052481][ T31] ? rcu_is_watching+0x16/0xb0 [ 430.057390][ T31] ? trace_kmalloc+0x2a/0xf0 [ 430.063792][ T31] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 430.070126][ T31] ? __nla_parse+0x40/0x60 [ 430.074613][ T31] ? genl_family_rcv_msg_attrs_parse+0x20b/0x2f0 [ 430.081382][ T31] ? genl_family_rcv_msg_attrs_parse+0x265/0x2f0 [ 430.087829][ T31] genl_family_rcv_msg_doit+0x233/0x340 [ 430.093542][ T31] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 430.099742][ T31] ? bpf_lsm_capable+0x9/0x20 [ 430.104545][ T31] ? security_capable+0x7e/0x2c0 [ 430.109717][ T31] genl_rcv_msg+0x614/0x7a0 [ 430.114287][ T31] ? __pfx_genl_rcv_msg+0x10/0x10 [ 430.119422][ T31] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 430.125645][ T31] netlink_rcv_skb+0x226/0x4a0 [ 430.130599][ T31] ? __pfx_genl_rcv_msg+0x10/0x10 [ 430.135684][ T31] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 430.141097][ T31] ? down_read+0x2be/0x330 [ 430.145568][ T31] genl_rcv+0x28/0x40 [ 430.149670][ T31] netlink_unicast+0x7bd/0x940 [ 430.154584][ T31] netlink_sendmsg+0x813/0xb40 [ 430.159481][ T31] ? __pfx_netlink_sendmsg+0x10/0x10 [ 430.164811][ T31] ? do_raw_spin_lock+0x12b/0x2f0 [ 430.170032][ T31] ? aa_sock_msg_perm+0xf6/0x1c0 [ 430.175101][ T31] ? __pfx_netlink_sendmsg+0x10/0x10 [ 430.180476][ T31] sock_sendmsg_nosec+0x13a/0x180 [ 430.185688][ T31] ____sys_sendmsg+0x54e/0x850 [ 430.190651][ T31] ? __pfx_____sys_sendmsg+0x10/0x10 [ 430.195992][ T31] ? import_iovec+0x73/0xa0 [ 430.200707][ T31] ___sys_sendmsg+0x2a5/0x360 [ 430.205449][ T31] ? __lock_acquire+0x683/0x2cf0 [ 430.210570][ T31] ? __pfx____sys_sendmsg+0x10/0x10 [ 430.215854][ T31] __x64_sys_sendmsg+0x1b1/0x290 [ 430.220956][ T31] ? _raw_spin_unlock_irq+0x2e/0x50 [ 430.226282][ T31] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 430.231872][ T31] do_syscall_64+0x166/0x520 [ 430.236610][ T31] ? trace_irq_disable+0x3b/0x140 [ 430.241867][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 430.248007][ T31] ? clear_bhb_loop+0x70/0xc0 [ 430.252777][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 430.258712][ T31] RIP: 0033:0x7f8e329066b9 [ 430.263303][ T31] RSP: 002b:00007fff6e575df8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 430.271877][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8e329066b9 [ 430.279950][ T31] RDX: 0000000004008090 RSI: 0000200000000140 RDI: 0000000000000004 [ 430.287956][ T31] RBP: 00000000000f4240 R08: 0000000000000009 R09: 0000000000000009 [ 430.296012][ T31] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fff6e575f78 [ 430.304065][ T31] R13: 0000000000000002 R14: 00007fff6e575e20 R15: 00007fff6e575e10 [ 430.312198][ T31] [ 430.315259][ T31] INFO: task syz-executor729:5654 blocked for more than 143 seconds. [ 430.323449][ T31] Not tainted syzkaller #0 [ 430.328430][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 430.337235][ T31] task:syz-executor729 state:D stack:25968 pid:5654 tgid:5654 ppid:5653 task_flags:0x400140 flags:0x00080002 [ 430.349257][ T31] Call Trace: [ 430.352591][ T31] [ 430.355570][ T31] __schedule+0x17d4/0x5630 [ 430.360192][ T31] ? __pfx___schedule+0x10/0x10 [ 430.365094][ T31] ? schedule+0x90/0x2b0 [ 430.369447][ T31] schedule+0x164/0x2b0 [ 430.374713][ T31] schedule_preempt_disabled+0x13/0x30 [ 430.380276][ T31] __mutex_lock+0x7c1/0x1550 [ 430.385007][ T31] ? __mutex_lock+0x5d4/0x1550 [ 430.389892][ T31] ? nfsd_nl_listener_set_doit+0x135/0x1750 [ 430.395856][ T31] ? __pfx___mutex_lock+0x10/0x10 [ 430.400979][ T31] ? __asan_memset+0x22/0x50 [ 430.405619][ T31] ? __nla_validate_parse+0x2429/0x2d50 [ 430.411310][ T31] nfsd_nl_listener_set_doit+0x135/0x1750 [ 430.417093][ T31] ? __pfx___nla_validate_parse+0x10/0x10 [ 430.422938][ T31] ? rcu_is_watching+0x16/0xb0 [ 430.427745][ T31] ? trace_kmalloc+0x2a/0xf0 [ 430.432435][ T31] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 430.438632][ T31] ? __nla_parse+0x40/0x60 [ 430.443154][ T31] ? genl_family_rcv_msg_attrs_parse+0x20b/0x2f0 [ 430.449592][ T31] ? genl_family_rcv_msg_attrs_parse+0x265/0x2f0 [ 430.456004][ T31] genl_family_rcv_msg_doit+0x233/0x340 [ 430.461662][ T31] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 430.467795][ T31] ? bpf_lsm_capable+0x9/0x20 [ 430.472605][ T31] ? security_capable+0x7e/0x2c0 [ 430.477607][ T31] genl_rcv_msg+0x614/0x7a0 [ 430.482274][ T31] ? __pfx_genl_rcv_msg+0x10/0x10 [ 430.487348][ T31] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 430.493623][ T31] netlink_rcv_skb+0x226/0x4a0 [ 430.498443][ T31] ? __pfx_genl_rcv_msg+0x10/0x10 [ 430.503564][ T31] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 430.508904][ T31] ? down_read+0x2be/0x330 [ 430.513434][ T31] genl_rcv+0x28/0x40 [ 430.517459][ T31] netlink_unicast+0x7bd/0x940 [ 430.522348][ T31] netlink_sendmsg+0x813/0xb40 [ 430.527156][ T31] ? __pfx_netlink_sendmsg+0x10/0x10 [ 430.532530][ T31] ? do_raw_spin_lock+0x12b/0x2f0 [ 430.537612][ T31] ? aa_sock_msg_perm+0xf6/0x1c0 [ 430.542666][ T31] ? __pfx_netlink_sendmsg+0x10/0x10 [ 430.547994][ T31] sock_sendmsg_nosec+0x13a/0x180 [ 430.553167][ T31] ____sys_sendmsg+0x54e/0x850 [ 430.557992][ T31] ? __pfx_____sys_sendmsg+0x10/0x10 [ 430.563417][ T31] ? import_iovec+0x73/0xa0 [ 430.567972][ T31] ___sys_sendmsg+0x2a5/0x360 [ 430.572810][ T31] ? __lock_acquire+0x683/0x2cf0 [ 430.577808][ T31] ? __pfx____sys_sendmsg+0x10/0x10 [ 430.583176][ T31] __x64_sys_sendmsg+0x1b1/0x290 [ 430.588164][ T31] ? _raw_spin_unlock_irq+0x2e/0x50 [ 430.593568][ T31] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 430.599179][ T31] do_syscall_64+0x166/0x520 [ 430.603836][ T31] ? trace_irq_disable+0x3b/0x140 [ 430.608924][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 430.615124][ T31] ? clear_bhb_loop+0x70/0xc0 [ 430.619928][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 430.625849][ T31] RIP: 0033:0x7f8e329066b9 [ 430.630407][ T31] RSP: 002b:00007fff6e575df8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 430.638868][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8e329066b9 [ 430.646962][ T31] RDX: 0000000004008090 RSI: 0000200000000140 RDI: 0000000000000004 [ 430.655040][ T31] RBP: 00000000000f4240 R08: 0000000000000009 R09: 0000000000000009 [ 430.663137][ T31] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fff6e575f78 [ 430.671215][ T31] R13: 0000000000000002 R14: 00007fff6e575e20 R15: 00007fff6e575e10 [ 430.679313][ T31] [ 430.682373][ T31] INFO: task syz-executor729:5657 blocked for more than 144 seconds. [ 430.690538][ T31] Not tainted syzkaller #0 [ 430.695509][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 430.704272][ T31] task:syz-executor729 state:D stack:26752 pid:5657 tgid:5657 ppid:5655 task_flags:0x400140 flags:0x00080002 [ 430.716285][ T31] Call Trace: [ 430.719649][ T31] [ 430.722639][ T31] __schedule+0x17d4/0x5630 [ 430.727202][ T31] ? lockdep_hardirqs_on+0x7b/0x110 [ 430.732521][ T31] ? __pfx___schedule+0x10/0x10 [ 430.737413][ T31] ? schedule+0x90/0x2b0 [ 430.741844][ T31] schedule+0x164/0x2b0 [ 430.746044][ T31] schedule_preempt_disabled+0x13/0x30 [ 430.751642][ T31] __mutex_lock+0x7c1/0x1550 [ 430.756348][ T31] ? __mutex_lock+0x5d4/0x1550 [ 430.761204][ T31] ? nfsd_nl_listener_set_doit+0x135/0x1750 [ 430.767226][ T31] ? __pfx___mutex_lock+0x10/0x10 [ 430.772347][ T31] ? __asan_memset+0x22/0x50 [ 430.776977][ T31] ? __nla_validate_parse+0x2429/0x2d50 [ 430.782665][ T31] nfsd_nl_listener_set_doit+0x135/0x1750 [ 430.788424][ T31] ? __pfx___nla_validate_parse+0x10/0x10 [ 430.794259][ T31] ? rcu_is_watching+0x16/0xb0 [ 430.799091][ T31] ? trace_kmalloc+0x2a/0xf0 [ 430.803820][ T31] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 430.810128][ T31] ? __nla_parse+0x40/0x60 [ 430.814587][ T31] ? genl_family_rcv_msg_attrs_parse+0x20b/0x2f0 [ 430.821017][ T31] ? genl_family_rcv_msg_attrs_parse+0x265/0x2f0 [ 430.827407][ T31] genl_family_rcv_msg_doit+0x233/0x340 [ 430.833096][ T31] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 430.839282][ T31] ? bpf_lsm_capable+0x9/0x20 [ 430.844061][ T31] ? security_capable+0x7e/0x2c0 [ 430.849077][ T31] genl_rcv_msg+0x614/0x7a0 [ 430.853730][ T31] ? __pfx_genl_rcv_msg+0x10/0x10 [ 430.858899][ T31] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 430.865285][ T31] netlink_rcv_skb+0x226/0x4a0 [ 430.870163][ T31] ? __pfx_genl_rcv_msg+0x10/0x10 [ 430.875218][ T31] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 430.880620][ T31] ? down_read+0x2be/0x330 [ 430.885086][ T31] genl_rcv+0x28/0x40 [ 430.889195][ T31] netlink_unicast+0x7bd/0x940 [ 430.894022][ T31] netlink_sendmsg+0x813/0xb40 [ 430.898815][ T31] ? __pfx_netlink_sendmsg+0x10/0x10 [ 430.904308][ T31] ? do_raw_spin_lock+0x12b/0x2f0 [ 430.909421][ T31] ? aa_sock_msg_perm+0xf6/0x1c0 [ 430.914397][ T31] ? __pfx_netlink_sendmsg+0x10/0x10 [ 430.919809][ T31] sock_sendmsg_nosec+0x13a/0x180 [ 430.924906][ T31] ____sys_sendmsg+0x54e/0x850 [ 430.929783][ T31] ? __pfx_____sys_sendmsg+0x10/0x10 [ 430.935137][ T31] ? import_iovec+0x73/0xa0 [ 430.939726][ T31] ___sys_sendmsg+0x2a5/0x360 [ 430.944479][ T31] ? __lock_acquire+0x683/0x2cf0 [ 430.949522][ T31] ? __pfx____sys_sendmsg+0x10/0x10 [ 430.955623][ T31] __x64_sys_sendmsg+0x1b1/0x290 [ 430.960681][ T31] ? _raw_spin_unlock_irq+0x2e/0x50 [ 430.965919][ T31] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 430.971540][ T31] do_syscall_64+0x166/0x520 [ 430.976193][ T31] ? trace_irq_disable+0x3b/0x140 [ 430.981341][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 430.987635][ T31] ? clear_bhb_loop+0x70/0xc0 [ 430.992437][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 430.998374][ T31] RIP: 0033:0x7f8e329066b9 [ 431.002877][ T31] RSP: 002b:00007fff6e575df8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 431.011397][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8e329066b9 [ 431.019445][ T31] RDX: 0000000004008090 RSI: 0000200000000140 RDI: 0000000000000004 [ 431.027480][ T31] RBP: 00000000000f4240 R08: 0000000000000009 R09: 0000000000000009 [ 431.035549][ T31] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fff6e575f78 [ 431.043600][ T31] R13: 0000000000000002 R14: 00007fff6e575e20 R15: 00007fff6e575e10 [ 431.051686][ T31] [ 431.054771][ T31] INFO: task syz-executor729:5659 blocked for more than 144 seconds. [ 431.062962][ T31] Not tainted syzkaller #0 [ 431.067930][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 431.076729][ T31] task:syz-executor729 state:D stack:25912 pid:5659 tgid:5659 ppid:5656 task_flags:0x400140 flags:0x00080002 [ 431.088750][ T31] Call Trace: [ 431.092109][ T31] [ 431.095079][ T31] __schedule+0x17d4/0x5630 [ 431.099787][ T31] ? is_bpf_text_address+0x292/0x2b0 [ 431.105174][ T31] ? __pfx___schedule+0x10/0x10 [ 431.110157][ T31] ? schedule+0x90/0x2b0 [ 431.114449][ T31] schedule+0x164/0x2b0 [ 431.118639][ T31] schedule_preempt_disabled+0x13/0x30 [ 431.124226][ T31] __mutex_lock+0x7c1/0x1550 [ 431.128905][ T31] ? __mutex_lock+0x5d4/0x1550 [ 431.133790][ T31] ? nfsd_nl_listener_set_doit+0x135/0x1750 [ 431.139931][ T31] ? __pfx___mutex_lock+0x10/0x10 [ 431.145003][ T31] ? __asan_memset+0x22/0x50 [ 431.149824][ T31] ? __nla_validate_parse+0x2429/0x2d50 [ 431.155435][ T31] nfsd_nl_listener_set_doit+0x135/0x1750 [ 431.161262][ T31] ? __pfx___nla_validate_parse+0x10/0x10 [ 431.167047][ T31] ? rcu_is_watching+0x16/0xb0 [ 431.171950][ T31] ? trace_kmalloc+0x2a/0xf0 [ 431.176603][ T31] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 431.182877][ T31] ? __nla_parse+0x40/0x60 [ 431.187425][ T31] ? genl_family_rcv_msg_attrs_parse+0x20b/0x2f0 [ 431.193856][ T31] ? genl_family_rcv_msg_attrs_parse+0x265/0x2f0 [ 431.200270][ T31] genl_family_rcv_msg_doit+0x233/0x340 [ 431.205851][ T31] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 431.212095][ T31] ? bpf_lsm_capable+0x9/0x20 [ 431.216827][ T31] ? security_capable+0x7e/0x2c0 [ 431.221892][ T31] genl_rcv_msg+0x614/0x7a0 [ 431.226465][ T31] ? __pfx_genl_rcv_msg+0x10/0x10 [ 431.231608][ T31] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 431.237813][ T31] netlink_rcv_skb+0x226/0x4a0 [ 431.242676][ T31] ? __pfx_genl_rcv_msg+0x10/0x10 [ 431.247754][ T31] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 431.253165][ T31] ? down_read+0x2be/0x330 [ 431.257633][ T31] genl_rcv+0x28/0x40 [ 431.261699][ T31] netlink_unicast+0x7bd/0x940 [ 431.266516][ T31] netlink_sendmsg+0x813/0xb40 [ 431.271372][ T31] ? __pfx_netlink_sendmsg+0x10/0x10 [ 431.276690][ T31] ? do_raw_spin_lock+0x12b/0x2f0 [ 431.281811][ T31] ? aa_sock_msg_perm+0xf6/0x1c0 [ 431.286803][ T31] ? __pfx_netlink_sendmsg+0x10/0x10 [ 431.292220][ T31] sock_sendmsg_nosec+0x13a/0x180 [ 431.297287][ T31] ____sys_sendmsg+0x54e/0x850 [ 431.302171][ T31] ? __pfx_____sys_sendmsg+0x10/0x10 [ 431.307532][ T31] ? import_iovec+0x73/0xa0 [ 431.312145][ T31] ___sys_sendmsg+0x2a5/0x360 [ 431.316893][ T31] ? __lock_acquire+0x683/0x2cf0 [ 431.321948][ T31] ? __pfx____sys_sendmsg+0x10/0x10 [ 431.327260][ T31] __x64_sys_sendmsg+0x1b1/0x290 [ 431.332317][ T31] ? _raw_spin_unlock_irq+0x2e/0x50 [ 431.337583][ T31] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 431.343207][ T31] do_syscall_64+0x166/0x520 [ 431.347859][ T31] ? trace_irq_disable+0x3b/0x140 [ 431.353038][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 431.359191][ T31] ? clear_bhb_loop+0x70/0xc0 [ 431.363912][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 431.369900][ T31] RIP: 0033:0x7f8e329066b9 [ 431.374360][ T31] RSP: 002b:00007fff6e575df8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 431.382936][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8e329066b9 [ 431.391029][ T31] RDX: 0000000004008090 RSI: 0000200000000140 RDI: 0000000000000004 [ 431.399064][ T31] RBP: 00000000000f4240 R08: 0000000000000009 R09: 0000000000000009 [ 431.407282][ T31] R10: 0000000000000009 R11: 0000000000000246 R12: 00007fff6e575f78 [ 431.415350][ T31] R13: 0000000000000002 R14: 00007fff6e575e20 R15: 00007fff6e575e10 [ 431.423467][ T31] [ 431.426545][ T31] [ 431.426545][ T31] Showing all locks held in the system: [ 431.434376][ T31] locks held by khungtaskd/31: 1, last CPU#1: [ 431.440668][ T31] #0: ffffffff8eb5a1e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 [ 431.450817][ T31] locks held by klogd/4966: 1, last CPU#0: [ 431.456653][ T31] #0: ffff8880b863b4e0 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2d/0x160 [ 431.466783][ T31] locks held by getty/5367: 2, on CPU#0: [ 431.472512][ T31] #0: ffff888036acd0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 431.482469][ T31] #1: ffffc900032332e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45a/0x1360 [ 431.492763][ T31] locks held by syz-executor729/5651: 2, on CPU#1: [ 431.499378][ T31] #0: ffffffff900a70a8 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 431.507659][ T31] #1: ffffffff8ee97420 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x135/0x1750 [ 431.518001][ T31] locks held by syz-executor729/5652: 2, on CPU#0: [ 431.524615][ T31] #0: ffffffff900a70a8 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 431.532923][ T31] #1: ffffffff8ee97420 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x135/0x1750 [ 431.543252][ T31] locks held by syz-executor729/5654: 2, on CPU#0: [ 431.549935][ T31] #0: ffffffff900a70a8 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 431.558225][ T31] #1: ffffffff8ee97420 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x135/0x1750 [ 431.568559][ T31] locks held by syz-executor729/5657: 2, on CPU#1: [ 431.575142][ T31] #0: ffffffff900a70a8 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 431.583458][ T31] #1: ffffffff8ee97420 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x135/0x1750 [ 431.593760][ T31] locks held by syz-executor729/5659: 2, on CPU#1: [ 431.600343][ T31] #0: ffffffff900a70a8 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 431.608624][ T31] #1: ffffffff8ee97420 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x135/0x1750 [ 431.619018][ T31] [ 431.621461][ T31] ============================================= [ 431.621461][ T31] [ 431.630087][ T31] NMI backtrace for cpu 1 [ 431.630115][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 431.630137][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 431.630150][ T31] Call Trace: [ 431.630158][ T31] [ 431.630166][ T31] dump_stack_lvl+0xe8/0x150 [ 431.630245][ T31] nmi_cpu_backtrace+0x274/0x2d0 [ 431.630362][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 431.630444][ T31] nmi_trigger_cpumask_backtrace+0x17d/0x390 [ 431.630473][ T31] sys_info+0x135/0x170 [ 431.630496][ T31] watchdog+0xfd7/0x1030 [ 431.630582][ T31] ? watchdog+0x1c7/0x1030 [ 431.630609][ T31] kthread+0x38b/0x480 [ 431.630675][ T31] ? __pfx_watchdog+0x10/0x10 [ 431.630699][ T31] ? __pfx_kthread+0x10/0x10 [ 431.630725][ T31] ret_from_fork+0x514/0xb70 [ 431.630783][ T31] ? __pfx_ret_from_fork+0x10/0x10 [ 431.630807][ T31] ? __switch_to+0xc89/0x1420 [ 431.630851][ T31] ? __pfx_kthread+0x10/0x10 [ 431.630877][ T31] ret_from_fork_asm+0x1a/0x30 [ 431.630916][ T31] [ 431.630927][ T31] Sending NMI from CPU 1 to CPUs 0: [ 431.741119][ C0] NMI backtrace for cpu 0 [ 431.741138][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) [ 431.741159][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 431.741170][ C0] RIP: 0010:__switch_to_asm+0x18/0x70 [ 431.741206][ C0] Code: cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 53 41 54 41 55 41 56 41 57 48 89 a7 b0 19 00 00 48 8b a6 b0 19 00 00 <48> 8b 9e 48 06 00 00 65 48 89 1d 51 c0 3c 12 49 c7 c4 10 00 00 00 [ 431.741222][ C0] RSP: 0018:ffffc90000b97a88 EFLAGS: 00000046 [ 431.741239][ C0] RAX: ffff88801b7fbe80 RBX: ffff88801b7fbe80 RCX: 8000000000000002 [ 431.741254][ C0] RDX: 0000000000000000 RSI: ffff88801b7fbe80 RDI: ffffffff8e88ef80 [ 431.741266][ C0] RBP: ffffffff8e807c90 R08: ffffffff90589237 R09: 1ffffffff20b1246 [ 431.741280][ C0] R10: dffffc0000000000 R11: fffffbfff20b1247 R12: ffff88801b7fd4d4 [ 431.741294][ C0] R13: dffffc0000000000 R14: ffffffff8e88ef80 R15: ffff88801b7fd4d0 [ 431.741309][ C0] FS: 0000000000000000(0000) GS:ffff888124f24000(0000) knlGS:0000000000000000 [ 431.741324][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 431.741336][ C0] CR2: 00007f15ddff9e9c CR3: 000000007f6d8000 CR4: 00000000003526f0 [ 431.741353][ C0] Call Trace: [ 431.863894][ T31] Kernel panic - not syncing: hung_task: blocked tasks [ 431.870780][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 431.879903][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 431.889983][ T31] Call Trace: [ 431.893277][ T31] [ 431.896237][ T31] vpanic+0x56d/0xa60 [ 431.900246][ T31] ? __pfx___schedule+0x10/0x10 [ 431.905116][ T31] ? __pfx_vpanic+0x10/0x10 [ 431.909648][ T31] ? nmi_trigger_cpumask_backtrace+0x20a/0x390 [ 431.915836][ T31] panic+0xc5/0xd0 [ 431.919585][ T31] ? __pfx_panic+0x10/0x10 [ 431.924021][ T31] ? preempt_schedule_common+0x7f/0xd0 [ 431.929494][ T31] ? preempt_schedule_thunk+0x16/0x40 [ 431.934939][ T31] ? nmi_trigger_cpumask_backtrace+0x31a/0x390 [ 431.941111][ T31] ? nmi_trigger_cpumask_backtrace+0x31f/0x390 [ 431.947283][ T31] watchdog+0x1030/0x1030 [ 431.951636][ T31] ? watchdog+0x1c7/0x1030 [ 431.956091][ T31] kthread+0x38b/0x480 [ 431.960179][ T31] ? __pfx_watchdog+0x10/0x10 [ 431.964867][ T31] ? __pfx_kthread+0x10/0x10 [ 431.969478][ T31] ret_from_fork+0x514/0xb70 [ 431.974087][ T31] ? __pfx_ret_from_fork+0x10/0x10 [ 431.979225][ T31] ? __switch_to+0xc89/0x1420 [ 431.983916][ T31] ? __pfx_kthread+0x10/0x10 [ 431.988542][ T31] ret_from_fork_asm+0x1a/0x30 [ 431.993342][ T31] [ 431.997166][ T31] Kernel Offset: disabled [ 432.001592][ T31] Rebooting in 86400 seconds..