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-executor3834471913 <...> Warning: Permanently added '10.128.0.217' (ED25519) to the list of known hosts. execve("ci-upstream-net-this-kasan-gce/syz-executor3834471913", ["ci-upstream-net-this-kasan-gce/syz-executor3834471913"], 0x7ffe1480b790 /* 10 vars */) = 0 brk(NULL) = 0x5555646da000 brk(0x5555646dad80) = 0x5555646dad80 arch_prctl(ARCH_SET_FS, 0x5555646da400) = 0 set_tid_address(0x5555646da6d0) = 5666 set_robust_list(0x5555646da6e0, 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-executor3834471913", 4096) = 59 getrandom("\x50\x98\x29\x16\x45\x94\xda\x71", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555646dad80 brk(0x5555646fbd80) = 0x5555646fbd80 brk(0x5555646fc000) = 0x5555646fc000 mprotect(0x7f52f3669000, 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 5667 attached , child_tidptr=0x5555646da6d0) = 5667 [pid 5667] set_robust_list(0x5555646da6e0, 24) = 0 [pid 5666] rt_sigprocmask(SIG_SETMASK, [] [pid 5667] rt_sigprocmask(SIG_SETMASK, [] [pid 5666] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5666] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5667] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5666] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5667] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5667] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5668 attached ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5669 attached [pid 5666] <... clone resumed>, child_tidptr=0x5555646da6d0) = 5668 [pid 5668] set_robust_list(0x5555646da6e0, 24 [pid 5667] <... clone resumed>, child_tidptr=0x5555646da6d0) = 5669 [pid 5666] rt_sigprocmask(SIG_SETMASK, [] [pid 5669] set_robust_list(0x5555646da6e0, 24 [pid 5668] <... set_robust_list resumed>) = 0 [pid 5668] rt_sigprocmask(SIG_SETMASK, [] [pid 5667] rt_sigprocmask(SIG_SETMASK, [] [pid 5666] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5669] <... set_robust_list resumed>) = 0 [pid 5666] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5669] rt_sigprocmask(SIG_SETMASK, [] [pid 5668] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5667] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5666] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5669] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5668] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5666] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5669] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5668] <... rt_sigprocmask resumed>, [], 8) = 0 ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5670 attached [pid 5669] <... prctl resumed>) = 0 [pid 5666] <... clone resumed>, child_tidptr=0x5555646da6d0) = 5670 [pid 5666] rt_sigprocmask(SIG_SETMASK, [] [pid 5670] set_robust_list(0x5555646da6e0, 24 [pid 5668] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5670] <... set_robust_list resumed>) = 0 ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5671 attached [pid 5666] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5670] rt_sigprocmask(SIG_SETMASK, [] [pid 5669] setpgid(0, 0 [pid 5666] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5671] set_robust_list(0x5555646da6e0, 24) = 0 [pid 5671] rt_sigprocmask(SIG_SETMASK, [] [pid 5668] <... clone resumed>, child_tidptr=0x5555646da6d0) = 5671 [pid 5666] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5671] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5670] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5666] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5671] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5670] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5669] <... setpgid resumed>) = 0 [pid 5668] rt_sigprocmask(SIG_SETMASK, []ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5672 attached [pid 5671] <... prctl resumed>) = 0 [pid 5670] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5666] <... clone resumed>, child_tidptr=0x5555646da6d0) = 5672 [pid 5671] setpgid(0, 0 [pid 5670] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5668] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5673 attached [pid 5666] rt_sigprocmask(SIG_SETMASK, [] [pid 5672] set_robust_list(0x5555646da6e0, 24 [pid 5671] <... setpgid resumed>) = 0 [pid 5669] <... openat resumed>) = 3 [pid 5671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5669] write(3, "1000", 4 [pid 5666] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5673] set_robust_list(0x5555646da6e0, 24 [pid 5672] <... set_robust_list resumed>) = 0 [pid 5671] <... openat resumed>) = 3 [pid 5670] <... clone resumed>, child_tidptr=0x5555646da6d0) = 5673 [pid 5666] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5673] <... set_robust_list resumed>) = 0 [pid 5669] <... write resumed>) = 4 [pid 5672] rt_sigprocmask(SIG_SETMASK, [] [pid 5671] write(3, "1000", 4 [pid 5670] rt_sigprocmask(SIG_SETMASK, [] [pid 5673] rt_sigprocmask(SIG_SETMASK, [] [pid 5666] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5672] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5671] <... write resumed>) = 4 [pid 5670] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5669] close(3 [pid 5671] close(3) = 0 [pid 5671] write(1, "executing program\n", 18 [pid 5666] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5671] <... write resumed>) = 18 [pid 5671] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 executing program [pid 5671] 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 5673] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5672] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5669] <... close resumed>) = 0 [pid 5673] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5672] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 5673] <... prctl resumed>) = 0 [pid 5672] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5669] write(1, "executing program\n", 18 [pid 5666] <... clone resumed>, child_tidptr=0x5555646da6d0) = 5674 [pid 5673] setpgid(0, 0 [pid 5669] <... write resumed>) = 18 [pid 5673] <... setpgid resumed>) = 0 [pid 5669] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERICci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5674 attached [pid 5673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5669] <... socket resumed>) = 3 [pid 5666] rt_sigprocmask(SIG_SETMASK, [] [pid 5674] set_robust_list(0x5555646da6e0, 24ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5675 attached [pid 5666] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5674] <... set_robust_list resumed>) = 0 [pid 5673] <... openat resumed>) = 3 [pid 5669] 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 5675] set_robust_list(0x5555646da6e0, 24 [pid 5674] rt_sigprocmask(SIG_SETMASK, [] [pid 5673] write(3, "1000", 4 [pid 5672] <... clone resumed>, child_tidptr=0x5555646da6d0) = 5675 [pid 5675] <... set_robust_list resumed>) = 0 [pid 5674] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5673] <... write resumed>) = 4 [pid 5672] rt_sigprocmask(SIG_SETMASK, [] [pid 5675] rt_sigprocmask(SIG_SETMASK, [] [pid 5674] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5673] close(3 [pid 5672] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5675] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5674] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5673] <... close resumed>) = 0 [pid 5675] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5674] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD executing program [pid 5673] write(1, "executing program\n", 18) = 18 [pid 5675] <... prctl resumed>) = 0 [pid 5673] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5675] setpgid(0, 0 [pid 5673] <... socket resumed>) = 3 [pid 5675] <... setpgid resumed>) = 0 [pid 5673] 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_ZEROCOPYci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5677 attached [pid 5675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5674] <... clone resumed>, child_tidptr=0x5555646da6d0) = 5677 [pid 5675] write(3, "1000", 4 [pid 5674] rt_sigprocmask(SIG_SETMASK, [] [pid 5675] <... write resumed>) = 4 [pid 5674] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5677] set_robust_list(0x5555646da6e0, 24 [pid 5675] close(3 [pid 5677] <... set_robust_list resumed>) = 0 [pid 5675] <... close resumed>) = 0 executing program [pid 5677] rt_sigprocmask(SIG_SETMASK, [] [pid 5675] write(1, "executing program\n", 18) = 18 [pid 5675] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 5675] 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 5677] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5677] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5677] setpgid(0, 0) = 0 [pid 5677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5677] write(3, "1000", 4) = 4 [pid 5677] close(3) = 0 executing program [pid 5677] write(1, "executing program\n", 18) = 18 [pid 5677] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 5677] 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 5671] <... sendmsg resumed>) = 20 [pid 5671] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 5671] socketpair(AF_UNIX, SOCK_DGRAM, 0, [5, 6]) = 0 [pid 5671] ioctl(6, SIOCGIFINDEX, {ifr_name="lo", ifr_ifindex=1}) = 0 [pid 5671] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=[{nlmsg_len=96, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_MULTI|NLM_F_ACK|NLM_F_ECHO|0xd00, nlmsg_seq=7388461, nlmsg_pid=0}, "\x60\x00\x00\x00\x01\x00\x00\x00\x00\x00\x0a\x00\xff\xff\xff\xff\x00\x00\xff\xff\x08\x00\x01\x00\x74\x62\x66\x00\x34\x00\x02\x00\x28\x00\x01\x00\xea\x00\xfd\xff\x00\x00\x09\x00\x05\x00\x00\x00\x12\x02\x00\x00\x01\x04\x01\x80\x00\x14\x00\x00\xa5\x00\x00\x00\x05\x00\x00\x00\x00\x00\x00\x10\x08\x00\x06\x00\x57\x80\x00\x00"], iov_len=96}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_EOR|MSG_NOSIGNAL|MSG_BATCH) = 96 [pid 5671] exit_group(0) = ? [pid 5671] +++ exited with 0 +++ [pid 5668] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5671, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5668] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 5668] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5668] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5681 attached , child_tidptr=0x5555646da6d0) = 5681 [pid 5681] set_robust_list(0x5555646da6e0, 24) = 0 [pid 5681] rt_sigprocmask(SIG_SETMASK, [] [pid 5668] rt_sigprocmask(SIG_SETMASK, [] [pid 5681] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5668] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5681] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5681] setpgid(0, 0) = 0 [pid 5681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5681] write(3, "1000", 4) = 4 [pid 5681] close(3) = 0 [pid 5681] write(1, "executing program\n", 18) = 18 [pid 5681] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 executing program [ 249.340109][ T5671] sch_tbf: burst 19872 is lower than device lo mtu (65550) ! [pid 5681] 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 5667] kill(-5669, SIGKILL) = 0 [pid 5667] kill(5669, SIGKILL) = 0 [pid 5670] kill(-5673, SIGKILL) = 0 [pid 5670] kill(5673, SIGKILL) = 0 [pid 5672] kill(-5675, SIGKILL) = 0 [pid 5672] kill(5675, SIGKILL) = 0 [pid 5674] kill(-5677, SIGKILL) = 0 [pid 5674] kill(5677, SIGKILL) = 0 [pid 5668] kill(-5681, SIGKILL) = 0 [pid 5668] kill(5681, SIGKILL) = 0 [pid 5667] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5667] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5667] getdents64(3, 0x5555646db7a0 /* 2 entries */, 32768) = 48 [pid 5667] getdents64(3, 0x5555646db7a0 /* 0 entries */, 32768) = 0 [pid 5667] close(3) = 0 [pid 5670] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5670] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5670] getdents64(3, 0x5555646db7a0 /* 2 entries */, 32768) = 48 [pid 5670] getdents64(3, 0x5555646db7a0 /* 0 entries */, 32768) = 0 [pid 5670] close(3) = 0 [pid 5674] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5674] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5674] getdents64(3, 0x5555646db7a0 /* 2 entries */, 32768) = 48 [pid 5674] getdents64(3, 0x5555646db7a0 /* 0 entries */, 32768) = 0 [pid 5674] close(3 [pid 5672] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5674] <... close resumed>) = 0 [pid 5672] <... openat resumed>) = 3 [pid 5672] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5672] getdents64(3, 0x5555646db7a0 /* 2 entries */, 32768) = 48 [pid 5672] getdents64(3, 0x5555646db7a0 /* 0 entries */, 32768) = 0 [pid 5672] close(3) = 0 [pid 5668] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5668] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5668] getdents64(3, 0x5555646db7a0 /* 2 entries */, 32768) = 48 [pid 5668] getdents64(3, 0x5555646db7a0 /* 0 entries */, 32768) = 0 [pid 5668] close(3) = 0 [ 317.059025][ T1312] aoe: packet could not be sent on lo. consider increasing tx_queue_len [ 378.497705][ T1312] aoe: packet could not be sent on lo. consider increasing tx_queue_len [ 429.697017][ T31] INFO: task syz-executor383:5673 blocked for more than 143 seconds. [ 429.697042][ T31] Not tainted syzkaller #0 [ 429.697048][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 429.697059][ T31] task:syz-executor383 state:D stack:27304 pid:5673 tgid:5673 ppid:5670 task_flags:0x400140 flags:0x00080002 [ 429.697098][ T31] Call Trace: [ 429.697106][ T31] [ 429.697114][ T31] __schedule+0x17db/0x58f0 [ 429.697148][ T31] ? irqentry_exit+0x218/0x920 [ 429.697170][ T31] ? __pfx___schedule+0x10/0x10 [ 429.697185][ T31] ? schedule+0x90/0x2b0 [ 429.697197][ T31] schedule+0x164/0x2b0 [ 429.697209][ T31] schedule_preempt_disabled+0x13/0x30 [ 429.697220][ T31] __mutex_lock+0x7c1/0x1550 [ 429.697235][ T31] ? __mutex_lock+0x5d4/0x1550 [ 429.697248][ T31] ? nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 429.697266][ T31] ? __pfx___mutex_lock+0x10/0x10 [ 429.697276][ T31] ? __kasan_kmalloc+0x93/0xb0 [ 429.697297][ T31] ? __nla_validate_parse+0x2429/0x2d50 [ 429.697308][ T31] ? do_syscall_64+0x166/0x520 [ 429.697319][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 429.697335][ T31] nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 429.697353][ T31] ? __pfx___nla_validate_parse+0x10/0x10 [ 429.697371][ T31] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 429.697385][ T31] ? trace_kmalloc+0x2a/0xf0 [ 429.697399][ T31] ? __kmalloc_noprof+0x38c/0x720 [ 429.697412][ T31] ? __nla_parse+0x40/0x60 [ 429.697426][ T31] ? genl_family_rcv_msg_attrs_parse+0x20b/0x2f0 [ 429.697449][ T31] ? genl_family_rcv_msg_attrs_parse+0x265/0x2f0 [ 429.697467][ T31] genl_family_rcv_msg_doit+0x233/0x340 [ 429.697486][ T31] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 429.697507][ T31] ? bpf_lsm_capable+0x9/0x20 [ 429.697518][ T31] ? security_capable+0x7e/0x2c0 [ 429.697537][ T31] genl_rcv_msg+0x614/0x7a0 [ 429.697554][ T31] ? __pfx_genl_rcv_msg+0x10/0x10 [ 429.697568][ T31] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 429.697589][ T31] netlink_rcv_skb+0x226/0x4a0 [ 429.697602][ T31] ? __pfx_genl_rcv_msg+0x10/0x10 [ 429.697617][ T31] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 429.697636][ T31] ? down_read+0x2be/0x330 [ 429.697650][ T31] genl_rcv+0x28/0x40 [ 429.697690][ T31] netlink_unicast+0x8ef/0xa80 [ 429.697711][ T31] netlink_sendmsg+0x813/0xb40 [ 429.697728][ T31] ? __pfx_netlink_sendmsg+0x10/0x10 [ 429.697744][ T31] ? apparmor_socket_sendmsg+0x98/0x360 [ 429.697757][ T31] ? rcu_is_watching+0x16/0xb0 [ 429.697771][ T31] ? __pfx_netlink_sendmsg+0x10/0x10 [ 429.697782][ T31] sock_sendmsg_nosec+0x13a/0x180 [ 429.697799][ T31] ____sys_sendmsg+0x54e/0x850 [ 429.697813][ T31] ? __pfx_____sys_sendmsg+0x10/0x10 [ 429.697828][ T31] ? import_iovec+0x73/0xa0 [ 429.697845][ T31] ___sys_sendmsg+0x2a5/0x360 [ 429.697856][ T31] ? __lock_acquire+0x747/0x2de0 [ 429.697869][ T31] ? __pfx____sys_sendmsg+0x10/0x10 [ 429.697905][ T31] __x64_sys_sendmsg+0x1b1/0x290 [ 429.697916][ T31] ? _raw_spin_unlock_irq+0x2e/0x50 [ 429.697927][ T31] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 429.697942][ T31] ? do_user_addr_fault+0xc4c/0x1340 [ 429.697966][ T31] do_syscall_64+0x166/0x520 [ 429.697977][ T31] ? trace_irq_disable+0x3b/0x140 [ 429.697989][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 429.697999][ T31] ? clear_bhb_loop+0x70/0xc0 [ 429.698011][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 429.698022][ T31] RIP: 0033:0x7f52f35d6839 [ 429.698046][ T31] RSP: 002b:00007ffd5ec36fe8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 429.698056][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f52f35d6839 [ 429.698063][ T31] RDX: 0000000004008090 RSI: 0000200000000440 RDI: 0000000000000003 [ 429.698070][ T31] RBP: 00000000000f4240 R08: 0000000000000009 R09: 0000000000000009 [ 429.698076][ T31] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f52f366e200 [ 429.698082][ T31] R13: 0000000000000002 R14: 00007ffd5ec37010 R15: 00007ffd5ec37000 [ 429.698098][ T31] [ 429.698103][ T31] INFO: task syz-executor383:5675 blocked for more than 143 seconds. [ 429.698111][ T31] Not tainted syzkaller #0 [ 429.698115][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 429.698120][ T31] task:syz-executor383 state:D stack:27408 pid:5675 tgid:5675 ppid:5672 task_flags:0x400140 flags:0x00080002 [ 429.698145][ T31] Call Trace: [ 429.698148][ T31] [ 429.698154][ T31] __schedule+0x17db/0x58f0 [ 429.698190][ T31] ? __pfx___schedule+0x10/0x10 [ 429.698206][ T31] ? schedule+0x90/0x2b0 [ 429.698218][ T31] schedule+0x164/0x2b0 [ 429.698229][ T31] schedule_preempt_disabled+0x13/0x30 [ 429.698239][ T31] __mutex_lock+0x7c1/0x1550 [ 429.698254][ T31] ? __mutex_lock+0x5d4/0x1550 [ 429.698267][ T31] ? nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 429.698282][ T31] ? __pfx___mutex_lock+0x10/0x10 [ 429.698292][ T31] ? __kasan_kmalloc+0x93/0xb0 [ 429.698308][ T31] ? __nla_validate_parse+0x2429/0x2d50 [ 429.698319][ T31] ? do_syscall_64+0x166/0x520 [ 429.698462][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 429.698479][ T31] nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 429.698497][ T31] ? __pfx___nla_validate_parse+0x10/0x10 [ 429.698515][ T31] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 429.698529][ T31] ? trace_kmalloc+0x2a/0xf0 [ 429.698541][ T31] ? __kmalloc_noprof+0x38c/0x720 [ 429.698554][ T31] ? __nla_parse+0x40/0x60 [ 429.698565][ T31] ? genl_family_rcv_msg_attrs_parse+0x20b/0x2f0 [ 429.698580][ T31] ? genl_family_rcv_msg_attrs_parse+0x265/0x2f0 [ 429.698598][ T31] genl_family_rcv_msg_doit+0x233/0x340 [ 429.698616][ T31] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 429.698637][ T31] ? bpf_lsm_capable+0x9/0x20 [ 429.698647][ T31] ? security_capable+0x7e/0x2c0 [ 429.698692][ T31] genl_rcv_msg+0x614/0x7a0 [ 429.698710][ T31] ? __pfx_genl_rcv_msg+0x10/0x10 [ 429.698723][ T31] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 429.698744][ T31] netlink_rcv_skb+0x226/0x4a0 [ 429.698757][ T31] ? __pfx_genl_rcv_msg+0x10/0x10 [ 429.698772][ T31] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 429.698791][ T31] ? down_read+0x2be/0x330 [ 429.698805][ T31] genl_rcv+0x28/0x40 [ 429.698818][ T31] netlink_unicast+0x8ef/0xa80 [ 429.698838][ T31] netlink_sendmsg+0x813/0xb40 [ 429.698855][ T31] ? __pfx_netlink_sendmsg+0x10/0x10 [ 429.698871][ T31] ? apparmor_socket_sendmsg+0x98/0x360 [ 429.698884][ T31] ? rcu_is_watching+0x16/0xb0 [ 429.698897][ T31] ? __pfx_netlink_sendmsg+0x10/0x10 [ 429.698908][ T31] sock_sendmsg_nosec+0x13a/0x180 [ 429.698923][ T31] ____sys_sendmsg+0x54e/0x850 [ 429.698937][ T31] ? __pfx_____sys_sendmsg+0x10/0x10 [ 429.698953][ T31] ? import_iovec+0x73/0xa0 [ 429.698969][ T31] ___sys_sendmsg+0x2a5/0x360 [ 429.698979][ T31] ? __lock_acquire+0x747/0x2de0 [ 429.698996][ T31] ? __pfx____sys_sendmsg+0x10/0x10 [ 429.699036][ T31] __x64_sys_sendmsg+0x1b1/0x290 [ 429.699047][ T31] ? _raw_spin_unlock_irq+0x2e/0x50 [ 429.699058][ T31] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 429.699080][ T31] do_syscall_64+0x166/0x520 [ 429.699091][ T31] ? trace_irq_disable+0x3b/0x140 [ 429.699102][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 429.699112][ T31] ? clear_bhb_loop+0x70/0xc0 [ 429.699124][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 429.699134][ T31] RIP: 0033:0x7f52f35d6839 [ 429.699143][ T31] RSP: 002b:00007ffd5ec36fe8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 429.699153][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f52f35d6839 [ 429.699163][ T31] RDX: 0000000004008090 RSI: 0000200000000440 RDI: 0000000000000003 [ 429.699170][ T31] RBP: 00000000000f4240 R08: 0000000000000009 R09: 0000000000000009 [ 429.699176][ T31] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f52f366e200 [ 429.699182][ T31] R13: 0000000000000002 R14: 00007ffd5ec37010 R15: 00007ffd5ec37000 [ 429.699198][ T31] [ 429.699203][ T31] INFO: task syz-executor383:5677 blocked for more than 143 seconds. [ 429.699210][ T31] Not tainted syzkaller #0 [ 429.699215][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 429.699219][ T31] task:syz-executor383 state:D stack:27408 pid:5677 tgid:5677 ppid:5674 task_flags:0x400140 flags:0x00080002 [ 429.699244][ T31] Call Trace: [ 429.699248][ T31] [ 429.699254][ T31] __schedule+0x17db/0x58f0 [ 429.699279][ T31] ? __pfx___schedule+0x10/0x10 [ 429.699294][ T31] ? schedule+0x90/0x2b0 [ 429.699306][ T31] schedule+0x164/0x2b0 [ 429.699317][ T31] schedule_preempt_disabled+0x13/0x30 [ 429.699328][ T31] __mutex_lock+0x7c1/0x1550 [ 429.699342][ T31] ? __mutex_lock+0x5d4/0x1550 [ 429.699355][ T31] ? nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 429.699370][ T31] ? __pfx___mutex_lock+0x10/0x10 [ 429.699380][ T31] ? __kasan_kmalloc+0x93/0xb0 [ 429.699396][ T31] ? __nla_validate_parse+0x2429/0x2d50 [ 429.699405][ T31] ? do_syscall_64+0x166/0x520 [ 429.699416][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 429.699430][ T31] nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 429.699448][ T31] ? __pfx___nla_validate_parse+0x10/0x10 [ 429.699466][ T31] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 429.699480][ T31] ? trace_kmalloc+0x2a/0xf0 [ 429.699492][ T31] ? __kmalloc_noprof+0x38c/0x720 [ 429.699504][ T31] ? __nla_parse+0x40/0x60 [ 429.699516][ T31] ? genl_family_rcv_msg_attrs_parse+0x20b/0x2f0 [ 429.699530][ T31] ? genl_family_rcv_msg_attrs_parse+0x265/0x2f0 [ 429.699548][ T31] genl_family_rcv_msg_doit+0x233/0x340 [ 429.699566][ T31] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 429.699587][ T31] ? bpf_lsm_capable+0x9/0x20 [ 429.699596][ T31] ? security_capable+0x7e/0x2c0 [ 429.699613][ T31] genl_rcv_msg+0x614/0x7a0 [ 429.699630][ T31] ? __pfx_genl_rcv_msg+0x10/0x10 [ 429.699644][ T31] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 429.699670][ T31] netlink_rcv_skb+0x226/0x4a0 [ 429.699683][ T31] ? __pfx_genl_rcv_msg+0x10/0x10 [ 429.699697][ T31] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 429.699717][ T31] ? down_read+0x2be/0x330 [ 429.699731][ T31] genl_rcv+0x28/0x40 [ 429.699744][ T31] netlink_unicast+0x8ef/0xa80 [ 429.699764][ T31] netlink_sendmsg+0x813/0xb40 [ 429.699799][ T31] ? __pfx_netlink_sendmsg+0x10/0x10 [ 429.699816][ T31] ? apparmor_socket_sendmsg+0x98/0x360 [ 429.699830][ T31] ? __pfx_netlink_sendmsg+0x10/0x10 [ 429.699841][ T31] sock_sendmsg_nosec+0x13a/0x180 [ 429.699856][ T31] ____sys_sendmsg+0x54e/0x850 [ 429.699869][ T31] ? __pfx_____sys_sendmsg+0x10/0x10 [ 429.699885][ T31] ? import_iovec+0x73/0xa0 [ 429.699900][ T31] ___sys_sendmsg+0x2a5/0x360 [ 429.699911][ T31] ? __lock_acquire+0x747/0x2de0 [ 429.699923][ T31] ? __pfx____sys_sendmsg+0x10/0x10 [ 429.699959][ T31] __x64_sys_sendmsg+0x1b1/0x290 [ 429.699969][ T31] ? _raw_spin_unlock_irq+0x2e/0x50 [ 429.699980][ T31] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 429.699995][ T31] ? do_user_addr_fault+0xc4c/0x1340 [ 429.700011][ T31] do_syscall_64+0x166/0x520 [ 429.700022][ T31] ? trace_irq_disable+0x3b/0x140 [ 429.700032][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 429.700042][ T31] ? clear_bhb_loop+0x70/0xc0 [ 429.700054][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 429.700064][ T31] RIP: 0033:0x7f52f35d6839 [ 429.700072][ T31] RSP: 002b:00007ffd5ec36fe8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 429.700082][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f52f35d6839 [ 429.700088][ T31] RDX: 0000000004008090 RSI: 0000200000000440 RDI: 0000000000000003 [ 429.700095][ T31] RBP: 00000000000f4240 R08: 0000000000000009 R09: 0000000000000009 [ 429.700100][ T31] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f52f366e200 [ 429.700106][ T31] R13: 0000000000000002 R14: 00007ffd5ec37010 R15: 00007ffd5ec37000 [ 429.700122][ T31] [ 429.700126][ T31] INFO: task syz-executor383:5681 blocked for more than 143 seconds. [ 429.700134][ T31] Not tainted syzkaller #0 [ 429.700138][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 429.700142][ T31] task:syz-executor383 state:D stack:26272 pid:5681 tgid:5681 ppid:5668 task_flags:0x400140 flags:0x00080002 [ 429.700171][ T31] Call Trace: [ 429.700174][ T31] [ 429.700180][ T31] __schedule+0x17db/0x58f0 [ 429.700205][ T31] ? __pfx___schedule+0x10/0x10 [ 429.700220][ T31] ? schedule+0x90/0x2b0 [ 429.700232][ T31] schedule+0x164/0x2b0 [ 429.700244][ T31] schedule_preempt_disabled+0x13/0x30 [ 429.700254][ T31] __mutex_lock+0x7c1/0x1550 [ 429.700268][ T31] ? __mutex_lock+0x5d4/0x1550 [ 429.700281][ T31] ? nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 429.700296][ T31] ? __pfx___mutex_lock+0x10/0x10 [ 429.700306][ T31] ? __kasan_kmalloc+0x93/0xb0 [ 429.700322][ T31] ? __nla_validate_parse+0x2429/0x2d50 [ 429.700331][ T31] ? do_syscall_64+0x166/0x520 [ 429.700341][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 429.700356][ T31] nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 429.700373][ T31] ? __pfx___nla_validate_parse+0x10/0x10 [ 429.700391][ T31] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 429.700405][ T31] ? trace_kmalloc+0x2a/0xf0 [ 429.700417][ T31] ? __kmalloc_noprof+0x38c/0x720 [ 429.700429][ T31] ? __nla_parse+0x40/0x60 [ 429.700440][ T31] ? genl_family_rcv_msg_attrs_parse+0x20b/0x2f0 [ 429.700455][ T31] ? genl_family_rcv_msg_attrs_parse+0x265/0x2f0 [ 429.700473][ T31] genl_family_rcv_msg_doit+0x233/0x340 [ 429.700491][ T31] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 429.700511][ T31] ? bpf_lsm_capable+0x9/0x20 [ 429.700521][ T31] ? security_capable+0x7e/0x2c0 [ 429.700537][ T31] genl_rcv_msg+0x614/0x7a0 [ 429.700555][ T31] ? __pfx_genl_rcv_msg+0x10/0x10 [ 429.700568][ T31] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 429.700589][ T31] netlink_rcv_skb+0x226/0x4a0 [ 429.700602][ T31] ? __pfx_genl_rcv_msg+0x10/0x10 [ 429.700616][ T31] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 429.700636][ T31] ? down_read+0x2be/0x330 [ 429.700656][ T31] genl_rcv+0x28/0x40 [ 429.700674][ T31] netlink_unicast+0x8ef/0xa80 [ 429.700693][ T31] netlink_sendmsg+0x813/0xb40 [ 429.700710][ T31] ? __pfx_netlink_sendmsg+0x10/0x10 [ 429.700726][ T31] ? apparmor_socket_sendmsg+0x98/0x360 [ 429.700738][ T31] ? rcu_is_watching+0x16/0xb0 [ 429.700751][ T31] ? __pfx_netlink_sendmsg+0x10/0x10 [ 429.700762][ T31] sock_sendmsg_nosec+0x13a/0x180 [ 429.700776][ T31] ____sys_sendmsg+0x54e/0x850 [ 429.700790][ T31] ? __pfx_____sys_sendmsg+0x10/0x10 [ 429.700805][ T31] ? import_iovec+0x73/0xa0 [ 429.700821][ T31] ___sys_sendmsg+0x2a5/0x360 [ 429.700831][ T31] ? __lock_acquire+0x747/0x2de0 [ 429.700844][ T31] ? __pfx____sys_sendmsg+0x10/0x10 [ 429.700880][ T31] __x64_sys_sendmsg+0x1b1/0x290 [ 429.700890][ T31] ? _raw_spin_unlock_irq+0x2e/0x50 [ 429.700901][ T31] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 429.700916][ T31] ? do_user_addr_fault+0xc4c/0x1340 [ 429.700931][ T31] do_syscall_64+0x166/0x520 [ 429.700942][ T31] ? trace_irq_disable+0x3b/0x140 [ 429.700952][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 429.700962][ T31] ? clear_bhb_loop+0x70/0xc0 [ 429.700974][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 429.700984][ T31] RIP: 0033:0x7f52f35d6839 [ 429.700992][ T31] RSP: 002b:00007ffd5ec36fe8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 429.701002][ T31] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f52f35d6839 [ 429.701008][ T31] RDX: 0000000004008090 RSI: 0000200000000440 RDI: 0000000000000003 [ 429.701014][ T31] RBP: 00000000000f4240 R08: 0000000000000009 R09: 0000000000000009 [ 429.701020][ T31] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000003cd67 [ 429.701026][ T31] R13: 00007ffd5ec36ffc R14: 00007ffd5ec37010 R15: 00007ffd5ec37000 [ 429.701042][ T31] [ 429.701057][ T31] [ 429.701057][ T31] Showing all locks held in the system: [ 429.701062][ T31] locks held by kworker/u8:1/13: 2, on CPU#1: [ 429.701070][ T31] #0: ffff88801c0ac140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 [ 429.701100][ T31] #1: ffffc90000127c40 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 [ 429.701129][ T31] locks held by khungtaskd/31: 1, last CPU#0: [ 429.701135][ T31] #0: ffffffff8fd5c8e0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 [ 429.701185][ T31] locks held by getty/5375: 2, on CPU#1: [ 429.701192][ T31] #0: ffff8880369010a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 429.701217][ T31] #1: ffffc9000323b2e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45a/0x1360 [ 429.701246][ T31] locks held by syz-executor383/5669: 2, on CPU#1: [ 429.701252][ T31] #0: ffffffff912c6888 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 429.701278][ T31] #1: ffffffff9009f9a0 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 429.701305][ T31] locks held by syz-executor383/5673: 2, on CPU#0: [ 429.701312][ T31] #0: ffffffff912c6888 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 429.701337][ T31] #1: ffffffff9009f9a0 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 429.701364][ T31] locks held by syz-executor383/5675: 2, on CPU#0: [ 429.701370][ T31] #0: ffffffff912c6888 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 429.701396][ T31] #1: ffffffff9009f9a0 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 429.701422][ T31] locks held by syz-executor383/5677: 2, on CPU#1: [ 429.701428][ T31] #0: ffffffff912c6888 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 429.701454][ T31] #1: ffffffff9009f9a0 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 429.701480][ T31] locks held by syz-executor383/5681: 2, on CPU#1: [ 429.701486][ T31] #0: ffffffff912c6888 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 429.701512][ T31] #1: ffffffff9009f9a0 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 429.701538][ T31] [ 429.701541][ T31] ============================================= [ 429.701541][ T31] [ 429.701551][ T31] NMI backtrace for cpu 0 [ 429.701567][ T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 429.701578][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 429.701583][ T31] Call Trace: [ 429.701588][ T31] [ 429.701592][ T31] dump_stack_lvl+0xe8/0x150 [ 429.701606][ T31] nmi_cpu_backtrace+0x274/0x2d0 [ 429.701621][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 429.701637][ T31] nmi_trigger_cpumask_backtrace+0x17d/0x390 [ 429.701652][ T31] sys_info+0x135/0x170 [ 429.701670][ T31] watchdog+0xfd7/0x1030 [ 429.701685][ T31] ? watchdog+0x1c7/0x1030 [ 429.701698][ T31] kthread+0x38b/0x480 [ 429.701709][ T31] ? __pfx_watchdog+0x10/0x10 [ 429.701718][ T31] ? __pfx_kthread+0x10/0x10 [ 429.701728][ T31] ret_from_fork+0x514/0xb70 [ 429.701740][ T31] ? __pfx_ret_from_fork+0x10/0x10 [ 429.701749][ T31] ? __switch_to+0xc89/0x1420 [ 429.701763][ T31] ? __pfx_kthread+0x10/0x10 [ 429.701773][ T31] ret_from_fork_asm+0x1a/0x30 [ 429.701790][ T31] [ 429.701794][ T31] Sending NMI from CPU 0 to CPUs 1: [ 429.701846][ C1] NMI backtrace for cpu 1 [ 429.701861][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 PREEMPT(full) [ 429.701882][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 429.701892][ C1] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 429.701917][ 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 [ 429.701932][ C1] RSP: 0018:ffffc900001a7e40 EFLAGS: 00000242 [ 429.701949][ C1] RAX: 0000000000067573 RBX: ffffffff819bec0c RCX: 8000000000000001 [ 429.701963][ C1] RDX: 0000000000000001 RSI: ffffffff8e469cbf RDI: ffffffff8c6ddb80 [ 429.701976][ C1] RBP: ffffc900001a7f10 R08: ffff8880b8533a1b R09: 1ffff110170a6743 [ 429.701991][ C1] R10: dffffc0000000000 R11: ffffed10170a6744 R12: 0000000000000000 [ 429.702004][ C1] R13: 1ffff11003ed1bb8 R14: 1ffff92000034fd0 R15: dffffc0000000000 [ 429.702047][ C1] FS: 0000000000000000(0000) GS:ffff888123bbf000(0000) knlGS:0000000000000000 [ 429.702063][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 429.702076][ C1] CR2: 0000564ac7c16660 CR3: 000000000fb48000 CR4: 00000000003526f0 [ 429.702093][ C1] Call Trace: [ 429.702101][ C1] [ 429.702107][ C1] default_idle+0x9/0x20 [ 429.702132][ C1] default_idle_call+0x72/0xb0 [ 429.702164][ C1] do_idle+0x1cc/0x540 [ 429.702185][ C1] ? __pfx_do_idle+0x10/0x10 [ 429.702209][ C1] cpu_startup_entry+0x43/0x60 [ 429.702228][ C1] start_secondary+0x101/0x110 [ 429.702257][ C1] common_startup_64+0x13e/0x157 [ 429.702291][ C1] [ 429.702832][ T31] Kernel panic - not syncing: hung_task: blocked tasks [ 431.713103][ T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 431.722218][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 431.732263][ T31] Call Trace: [ 431.735532][ T31] [ 431.738455][ T31] vpanic+0x56d/0xa60 [ 431.742452][ T31] ? __pfx_vpanic+0x10/0x10 [ 431.746959][ T31] ? console_srcu_read_unlock+0x3a/0x60 [ 431.752505][ T31] panic+0xc5/0xd0 [ 431.756218][ T31] ? __pfx_panic+0x10/0x10 [ 431.760650][ T31] ? wq_watchdog_touch+0xf9/0x160 [ 431.765668][ T31] ? nmi_trigger_cpumask_backtrace+0x24d/0x390 [ 431.771823][ T31] watchdog+0x1030/0x1030 [ 431.776166][ T31] ? watchdog+0x1c7/0x1030 [ 431.780574][ T31] kthread+0x38b/0x480 [ 431.784636][ T31] ? __pfx_watchdog+0x10/0x10 [ 431.789329][ T31] ? __pfx_kthread+0x10/0x10 [ 431.793930][ T31] ret_from_fork+0x514/0xb70 [ 431.798532][ T31] ? __pfx_ret_from_fork+0x10/0x10 [ 431.803662][ T31] ? __switch_to+0xc89/0x1420 [ 431.808341][ T31] ? __pfx_kthread+0x10/0x10 [ 431.812925][ T31] ret_from_fork_asm+0x1a/0x30 [ 431.817686][ T31] [ 431.820978][ T31] Kernel Offset: disabled [ 431.825301][ T31] Rebooting in 86400 seconds..