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-executor1166668230 <...> no interfaces have a carrier [ 56.022140][ T5281] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.028659][ T5281] eql: remember to turn off Van-Jacobson compression on your slave devices Starting crond: OK Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.83' (ED25519) to the list of known hosts. execve("ci-upstream-net-this-kasan-gce/syz-executor1166668230", ["ci-upstream-net-this-kasan-gce/syz-executor1166668230"], 0x7ffe7fe17940 /* 10 vars */) = 0 brk(NULL) = 0x5555567b2000 brk(0x5555567b2d80) = 0x5555567b2d80 arch_prctl(ARCH_SET_FS, 0x5555567b2400) = 0 set_tid_address(0x5555567b26d0) = 5632 set_robust_list(0x5555567b26e0, 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-executor1166668230", 4096) = 59 getrandom("\x75\x9a\x85\x92\x25\x97\xa8\xe4", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555567b2d80 brk(0x5555567d3d80) = 0x5555567d3d80 brk(0x5555567d4000) = 0x5555567d4000 mprotect(0x7fd4b8b0c000, 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 5633 attached , child_tidptr=0x5555567b26d0) = 5633 [pid 5633] set_robust_list(0x5555567b26e0, 24) = 0 [pid 5633] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5633] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5633] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5634 attached [pid 5632] rt_sigprocmask(SIG_SETMASK, [] [pid 5634] set_robust_list(0x5555567b26e0, 24 [pid 5632] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5632] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5634] <... set_robust_list resumed>) = 0 [pid 5633] <... clone resumed>, child_tidptr=0x5555567b26d0) = 5634 [pid 5632] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5634] rt_sigprocmask(SIG_SETMASK, [] [pid 5633] rt_sigprocmask(SIG_SETMASK, [] [pid 5632] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5634] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5633] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5635 attached [pid 5632] <... clone resumed>, child_tidptr=0x5555567b26d0) = 5635 [pid 5635] set_robust_list(0x5555567b26e0, 24 [pid 5634] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5632] rt_sigprocmask(SIG_SETMASK, [] [pid 5635] <... set_robust_list resumed>) = 0 [pid 5634] <... prctl resumed>) = 0 [pid 5632] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5635] rt_sigprocmask(SIG_SETMASK, [] [pid 5632] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5634] setpgid(0, 0 [pid 5635] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5632] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5634] <... setpgid resumed>) = 0 [pid 5632] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5635] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5635] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5635] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5634] <... openat resumed>) = 3 ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5637 attached ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5636 attached [pid 5632] <... clone resumed>, child_tidptr=0x5555567b26d0) = 5636 [pid 5634] write(3, "1000", 4 [pid 5632] rt_sigprocmask(SIG_SETMASK, [] [pid 5637] set_robust_list(0x5555567b26e0, 24 [pid 5636] set_robust_list(0x5555567b26e0, 24 [pid 5635] <... clone resumed>, child_tidptr=0x5555567b26d0) = 5637 [pid 5632] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5635] rt_sigprocmask(SIG_SETMASK, [] [pid 5634] <... write resumed>) = 4 [pid 5632] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5635] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5632] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5632] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5637] <... set_robust_list resumed>) = 0 [pid 5636] <... set_robust_list resumed>) = 0 [pid 5634] close(3ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5638 attached [pid 5637] rt_sigprocmask(SIG_SETMASK, [] [pid 5636] rt_sigprocmask(SIG_SETMASK, [] [pid 5634] <... close resumed>) = 0 [pid 5637] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5636] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5634] write(1, "executing program\n", 18 [pid 5632] <... clone resumed>, child_tidptr=0x5555567b26d0) = 5638 [pid 5638] set_robust_list(0x5555567b26e0, 24 [pid 5637] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5632] rt_sigprocmask(SIG_SETMASK, [] [pid 5638] <... set_robust_list resumed>) = 0 [pid 5637] <... prctl resumed>) = 0 [pid 5636] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5634] <... write resumed>) = 18 [pid 5632] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 5638] rt_sigprocmask(SIG_SETMASK, [] [pid 5632] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5632] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5638] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5637] setpgid(0, 0 [pid 5636] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5634] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERICci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5639 attached [pid 5638] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5637] <... setpgid resumed>) = 0 [pid 5636] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5632] <... clone resumed>, child_tidptr=0x5555567b26d0) = 5639 [pid 5639] set_robust_list(0x5555567b26e0, 24 [pid 5638] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5634] <... socket resumed>) = 3 [pid 5632] rt_sigprocmask(SIG_SETMASK, [] [pid 5639] <... set_robust_list resumed>) = 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 5640 attached [pid 5632] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5634] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=[{nlmsg_len=20, nlmsg_type=0x27 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST, nlmsg_seq=524281, nlmsg_pid=635427836}, "\x06\x00\x00\x00"], iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=MSG_OOB|MSG_CONFIRM|MSG_NOSIGNAL|MSG_MORE|MSG_ZEROCOPY}, MSG_DONTROUTE|MSG_EOR|MSG_MORE|MSG_ZEROCOPYci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5641 attached [pid 5640] set_robust_list(0x5555567b26e0, 24 [pid 5639] rt_sigprocmask(SIG_SETMASK, [] [pid 5637] <... openat resumed>) = 3 [pid 5636] <... clone resumed>, child_tidptr=0x5555567b26d0) = 5640 [pid 5640] <... set_robust_list resumed>) = 0 [pid 5639] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5638] <... clone resumed>, child_tidptr=0x5555567b26d0) = 5641 [pid 5639] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5640] rt_sigprocmask(SIG_SETMASK, [] [pid 5639] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5639] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5641] set_robust_list(0x5555567b26e0, 24 [pid 5638] rt_sigprocmask(SIG_SETMASK, [] [pid 5637] write(3, "1000", 4 [pid 5636] rt_sigprocmask(SIG_SETMASK, [] [pid 5641] <... set_robust_list resumed>) = 0 [pid 5640] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5642 attached [pid 5641] rt_sigprocmask(SIG_SETMASK, [] [pid 5640] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5638] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5641] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5640] <... prctl resumed>) = 0 [pid 5637] <... write resumed>) = 4 [pid 5636] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5640] setpgid(0, 0 [pid 5637] close(3 [pid 5642] set_robust_list(0x5555567b26e0, 24 [pid 5641] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5640] <... setpgid resumed>) = 0 [pid 5639] <... clone resumed>, child_tidptr=0x5555567b26d0) = 5642 [pid 5639] rt_sigprocmask(SIG_SETMASK, [] [pid 5642] <... set_robust_list resumed>) = 0 [pid 5639] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5642] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5641] <... prctl resumed>) = 0 [pid 5640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5637] <... close resumed>) = 0 [pid 5642] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5641] setpgid(0, 0 [pid 5637] write(1, "executing program\n", 18 [pid 5641] <... setpgid resumed>) = 0 [pid 5637] <... write resumed>) = 18 [pid 5642] <... prctl resumed>) = 0 [pid 5642] setpgid(0, 0 [pid 5641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5637] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5642] <... setpgid resumed>) = 0 executing program [pid 5642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5637] <... socket resumed>) = 3 [pid 5642] <... openat resumed>) = 3 [pid 5640] <... openat resumed>) = 3 [pid 5642] write(3, "1000", 4) = 4 [pid 5642] close(3) = 0 [pid 5642] write(1, "executing program\n", 18) = 18 [pid 5642] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 executing program [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=524281, nlmsg_pid=635427836}, "\x06\x00\x00\x00"], iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=MSG_OOB|MSG_CONFIRM|MSG_NOSIGNAL|MSG_MORE|MSG_ZEROCOPY}, MSG_DONTROUTE|MSG_EOR|MSG_MORE|MSG_ZEROCOPY [pid 5641] <... openat resumed>) = 3 [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=524281, nlmsg_pid=635427836}, "\x06\x00\x00\x00"], iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=MSG_OOB|MSG_CONFIRM|MSG_NOSIGNAL|MSG_MORE|MSG_ZEROCOPY}, MSG_DONTROUTE|MSG_EOR|MSG_MORE|MSG_ZEROCOPY [pid 5641] write(3, "1000", 4 [pid 5640] write(3, "1000", 4 [pid 5641] <... write resumed>) = 4 [pid 5640] <... write resumed>) = 4 [pid 5641] close(3 [pid 5640] close(3 [pid 5641] <... close resumed>) = 0 [pid 5640] <... close resumed>) = 0 [pid 5641] write(1, "executing program\n", 18 [pid 5640] write(1, "executing program\n", 18 [pid 5641] <... write resumed>) = 18 [pid 5640] <... write resumed>) = 18 executing program executing program [pid 5641] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5640] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5641] <... socket resumed>) = 3 [pid 5640] <... socket resumed>) = 3 [pid 5641] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=[{nlmsg_len=20, nlmsg_type=0x27 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST, nlmsg_seq=524281, nlmsg_pid=635427836}, "\x06\x00\x00\x00"], iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=MSG_OOB|MSG_CONFIRM|MSG_NOSIGNAL|MSG_MORE|MSG_ZEROCOPY}, MSG_DONTROUTE|MSG_EOR|MSG_MORE|MSG_ZEROCOPY [pid 5640] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=[{nlmsg_len=20, nlmsg_type=0x27 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST, nlmsg_seq=524281, nlmsg_pid=635427836}, "\x06\x00\x00\x00"], iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=MSG_OOB|MSG_CONFIRM|MSG_NOSIGNAL|MSG_MORE|MSG_ZEROCOPY}, MSG_DONTROUTE|MSG_EOR|MSG_MORE|MSG_ZEROCOPY [pid 5634] <... sendmsg resumed>) = 20 [pid 5634] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 4 [pid 5634] socketpair(AF_UNIX, SOCK_SEQPACKET, 0, [5, 6]) = 0 [pid 5634] ioctl(6, SIOCGIFINDEX, {ifr_name="lo", ifr_ifindex=1}) = 0 [pid 5634] sendmsg(4, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=[{nlmsg_len=96, nlmsg_type=0x24 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_MULTI|NLM_F_ACK|NLM_F_ECHO|0xd00, nlmsg_seq=7388461, nlmsg_pid=0}, "\x60\x00\x00\x00\x01\x00\x00\x00\x00\x00\x0a\x00\xff\xff\xff\xff\x00\x00\xff\xff\x08\x00\x01\x00\x74\x62\x66\x00\x34\x00\x02\x00\x28\x00\x01\x00\xea\x02\x00\x00\x01\x00\x09\x10\x7c\x00\x00\x00\x03\x02\x00\x00\x01\x04\x01\x80\x00\x00\x00\x00\x00\x00\x00\x00\x05\x00\x00\x00\x00\x00\x00\x10\x08\x00\x06\x00\x57\x80\x00\x00"], iov_len=96}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_EOR|MSG_NOSIGNAL|MSG_BATCH) = 96 [pid 5634] exit_group(0) = ? [pid 5634] +++ exited with 0 +++ [pid 5633] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5634, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5633] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 5633] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5633] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci-upstream-net-this-kasan-gce/strace-static-x86_64: Process 5647 attached [pid 5647] set_robust_list(0x5555567b26e0, 24 [pid 5633] <... clone resumed>, child_tidptr=0x5555567b26d0) = 5647 [pid 5647] <... set_robust_list resumed>) = 0 [pid 5647] rt_sigprocmask(SIG_SETMASK, [] [pid 5633] rt_sigprocmask(SIG_SETMASK, [] [pid 5647] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5633] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5647] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5647] setpgid(0, 0) = 0 [pid 5647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5647] write(3, "1000", 4) = 4 syzkaller login: [ 86.660784][ T5634] sch_tbf: burst 32855 is lower than device lo mtu (65550) ! [pid 5647] close(3) = 0 executing program [pid 5647] write(1, "executing program\n", 18) = 18 [pid 5647] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 3 [pid 5647] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=[{nlmsg_len=20, nlmsg_type=0x27 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST, nlmsg_seq=524281, nlmsg_pid=635427836}, "\x06\x00\x00\x00"], iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=MSG_OOB|MSG_CONFIRM|MSG_NOSIGNAL|MSG_MORE|MSG_ZEROCOPY}, MSG_DONTROUTE|MSG_EOR|MSG_MORE|MSG_ZEROCOPY [pid 5635] kill(-5637, SIGKILL) = 0 [pid 5635] kill(5637, SIGKILL) = 0 [pid 5638] kill(-5641, SIGKILL) = 0 [pid 5638] kill(5641, SIGKILL [pid 5636] kill(-5640, SIGKILL [pid 5638] <... kill resumed>) = 0 [pid 5636] <... kill resumed>) = 0 [pid 5636] kill(5640, SIGKILL) = 0 [pid 5639] kill(-5642, SIGKILL) = 0 [pid 5639] kill(5642, SIGKILL) = 0 [pid 5633] kill(-5647, SIGKILL) = 0 [pid 5633] kill(5647, SIGKILL) = 0 [pid 5635] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5635] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [ 91.872955][ T989] cfg80211: failed to load regulatory.db [pid 5635] getdents64(3, 0x5555567b37a0 /* 2 entries */, 32768) = 48 [pid 5635] getdents64(3, 0x5555567b37a0 /* 0 entries */, 32768) = 0 [pid 5635] close(3) = 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, 0x5555567b37a0 /* 2 entries */, 32768) = 48 [pid 5639] getdents64(3, 0x5555567b37a0 /* 0 entries */, 32768) = 0 [pid 5639] 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, 0x5555567b37a0 /* 2 entries */, 32768) = 48 [pid 5638] getdents64(3, 0x5555567b37a0 /* 0 entries */, 32768) = 0 [pid 5638] 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, 0x5555567b37a0 /* 2 entries */, 32768) = 48 [pid 5636] getdents64(3, 0x5555567b37a0 /* 0 entries */, 32768) = 0 [pid 5636] close(3) = 0 [pid 5633] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5633] fstat(3, {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0 [pid 5633] getdents64(3, 0x5555567b37a0 /* 2 entries */, 32768) = 48 [pid 5633] getdents64(3, 0x5555567b37a0 /* 0 entries */, 32768) = 0 [pid 5633] close(3) = 0 [ 286.430595][ T32] INFO: task syz-executor116:5637 blocked for more than 143 seconds. [ 286.430646][ T32] Not tainted syzkaller #0 [ 286.430655][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.430662][ T32] task:syz-executor116 state:D stack:27472 pid:5637 tgid:5637 ppid:5635 task_flags:0x400140 flags:0x00080002 [ 286.430723][ T32] Call Trace: [ 286.430733][ T32] [ 286.430747][ T32] __schedule+0x17db/0x58f0 [ 286.430807][ T32] ? __pfx___schedule+0x10/0x10 [ 286.430832][ T32] ? schedule+0x90/0x2b0 [ 286.430853][ T32] schedule+0x164/0x2b0 [ 286.430873][ T32] schedule_preempt_disabled+0x13/0x30 [ 286.430892][ T32] __mutex_lock+0x7c1/0x1550 [ 286.430917][ T32] ? __mutex_lock+0x5d4/0x1550 [ 286.430940][ T32] ? nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.430967][ T32] ? __pfx___mutex_lock+0x10/0x10 [ 286.430986][ T32] ? __kasan_kmalloc+0x93/0xb0 [ 286.431010][ T32] ? __nla_validate_parse+0x2429/0x2d50 [ 286.431030][ T32] ? do_syscall_64+0x166/0x520 [ 286.431048][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.431070][ T32] nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.431095][ T32] ? __pfx___nla_validate_parse+0x10/0x10 [ 286.431130][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.431151][ T32] ? trace_kmalloc+0x2a/0xf0 [ 286.431168][ T32] ? __kmalloc_noprof+0x38c/0x720 [ 286.431185][ T32] ? __nla_parse+0x40/0x60 [ 286.431207][ T32] ? genl_family_rcv_msg_attrs_parse+0x20b/0x2f0 [ 286.431228][ T32] ? genl_family_rcv_msg_attrs_parse+0x265/0x2f0 [ 286.431254][ T32] genl_family_rcv_msg_doit+0x233/0x340 [ 286.431279][ T32] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 286.431308][ T32] ? bpf_lsm_capable+0x9/0x20 [ 286.431341][ T32] ? security_capable+0x7e/0x2c0 [ 286.431366][ T32] genl_rcv_msg+0x614/0x7a0 [ 286.431391][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.431410][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.431442][ T32] netlink_rcv_skb+0x226/0x4a0 [ 286.431468][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.431489][ T32] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 286.431526][ T32] ? down_read+0x2be/0x330 [ 286.431552][ T32] genl_rcv+0x28/0x40 [ 286.431570][ T32] netlink_unicast+0x7bd/0x940 [ 286.431603][ T32] netlink_sendmsg+0x813/0xb40 [ 286.431643][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.431665][ T32] ? apparmor_socket_sendmsg+0x98/0x360 [ 286.431682][ T32] ? irqentry_exit+0x218/0x910 [ 286.431703][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.431718][ T32] sock_sendmsg_nosec+0x13a/0x180 [ 286.431738][ T32] ____sys_sendmsg+0x54e/0x850 [ 286.431765][ T32] ? __pfx_____sys_sendmsg+0x10/0x10 [ 286.431794][ T32] ? import_iovec+0x73/0xa0 [ 286.431817][ T32] ___sys_sendmsg+0x2a5/0x360 [ 286.431839][ T32] ? __lock_acquire+0x747/0x2de0 [ 286.431859][ T32] ? __pfx____sys_sendmsg+0x10/0x10 [ 286.431918][ T32] __x64_sys_sendmsg+0x1b1/0x290 [ 286.431940][ T32] ? _raw_spin_unlock_irq+0x2e/0x50 [ 286.431959][ T32] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 286.431987][ T32] ? do_user_addr_fault+0xc4c/0x1340 [ 286.432011][ T32] do_syscall_64+0x166/0x520 [ 286.432031][ T32] ? trace_irq_disable+0x3b/0x140 [ 286.432047][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.432063][ T32] ? clear_bhb_loop+0x70/0xc0 [ 286.432083][ T32] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.432098][ T32] RIP: 0033:0x7fd4b8a79839 [ 286.432118][ T32] RSP: 002b:00007fff008bf138 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 286.432134][ T32] RAX: ffffffffffffffda RBX: 0000200000000080 RCX: 00007fd4b8a79839 [ 286.432146][ T32] RDX: 0000000004008084 RSI: 0000200000000140 RDI: 0000000000000003 [ 286.432157][ T32] RBP: 0000000000000000 R08: 0000000000000009 R09: 0000000000000009 [ 286.432166][ T32] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 286.432176][ T32] R13: 00007fd4b8b11200 R14: 00007fff008bf160 R15: 00007fff008bf150 [ 286.432201][ T32] [ 286.432208][ T32] INFO: task syz-executor116:5640 blocked for more than 143 seconds. [ 286.432220][ T32] Not tainted syzkaller #0 [ 286.432227][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.432234][ T32] task:syz-executor116 state:D stack:27392 pid:5640 tgid:5640 ppid:5636 task_flags:0x400140 flags:0x00080002 [ 286.432281][ T32] Call Trace: [ 286.432286][ T32] [ 286.432295][ T32] __schedule+0x17db/0x58f0 [ 286.432335][ T32] ? __pfx___schedule+0x10/0x10 [ 286.432360][ T32] ? schedule+0x90/0x2b0 [ 286.432381][ T32] schedule+0x164/0x2b0 [ 286.432401][ T32] schedule_preempt_disabled+0x13/0x30 [ 286.432420][ T32] __mutex_lock+0x7c1/0x1550 [ 286.432447][ T32] ? __mutex_lock+0x5d4/0x1550 [ 286.432471][ T32] ? nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.432493][ T32] ? __pfx___mutex_lock+0x10/0x10 [ 286.432514][ T32] ? __kasan_kmalloc+0x93/0xb0 [ 286.432548][ T32] ? __nla_validate_parse+0x2429/0x2d50 [ 286.432568][ T32] ? do_syscall_64+0x166/0x520 [ 286.432588][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.432616][ T32] nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.432641][ T32] ? __pfx___nla_validate_parse+0x10/0x10 [ 286.432673][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.432693][ T32] ? trace_kmalloc+0x2a/0xf0 [ 286.432710][ T32] ? __kmalloc_noprof+0x38c/0x720 [ 286.432727][ T32] ? __nla_parse+0x40/0x60 [ 286.432750][ T32] ? genl_family_rcv_msg_attrs_parse+0x20b/0x2f0 [ 286.432770][ T32] ? genl_family_rcv_msg_attrs_parse+0x265/0x2f0 [ 286.432797][ T32] genl_family_rcv_msg_doit+0x233/0x340 [ 286.432821][ T32] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 286.432851][ T32] ? bpf_lsm_capable+0x9/0x20 [ 286.432864][ T32] ? security_capable+0x7e/0x2c0 [ 286.432887][ T32] genl_rcv_msg+0x614/0x7a0 [ 286.432911][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.432930][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.432960][ T32] netlink_rcv_skb+0x226/0x4a0 [ 286.432985][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.433006][ T32] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 286.433041][ T32] ? down_read+0x2be/0x330 [ 286.433066][ T32] genl_rcv+0x28/0x40 [ 286.433084][ T32] netlink_unicast+0x7bd/0x940 [ 286.433116][ T32] netlink_sendmsg+0x813/0xb40 [ 286.433138][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.433159][ T32] ? apparmor_socket_sendmsg+0x98/0x360 [ 286.433175][ T32] ? rcu_is_watching+0x16/0xb0 [ 286.433195][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.433209][ T32] sock_sendmsg_nosec+0x13a/0x180 [ 286.433228][ T32] ____sys_sendmsg+0x54e/0x850 [ 286.433254][ T32] ? __pfx_____sys_sendmsg+0x10/0x10 [ 286.433282][ T32] ? import_iovec+0x73/0xa0 [ 286.433305][ T32] ___sys_sendmsg+0x2a5/0x360 [ 286.433326][ T32] ? __lock_acquire+0x747/0x2de0 [ 286.433345][ T32] ? __pfx____sys_sendmsg+0x10/0x10 [ 286.433419][ T32] __x64_sys_sendmsg+0x1b1/0x290 [ 286.433441][ T32] ? _raw_spin_unlock_irq+0x2e/0x50 [ 286.433461][ T32] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 286.433490][ T32] ? do_user_addr_fault+0xc4c/0x1340 [ 286.433513][ T32] do_syscall_64+0x166/0x520 [ 286.433534][ T32] ? trace_irq_disable+0x3b/0x140 [ 286.433549][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.433565][ T32] ? clear_bhb_loop+0x70/0xc0 [ 286.433585][ T32] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.433601][ T32] RIP: 0033:0x7fd4b8a79839 [ 286.433619][ T32] RSP: 002b:00007fff008bf138 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 286.433634][ T32] RAX: ffffffffffffffda RBX: 0000200000000080 RCX: 00007fd4b8a79839 [ 286.433646][ T32] RDX: 0000000004008084 RSI: 0000200000000140 RDI: 0000000000000003 [ 286.433656][ T32] RBP: 0000000000000000 R08: 0000000000000009 R09: 0000000000000009 [ 286.433665][ T32] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 286.433675][ T32] R13: 00007fd4b8b11200 R14: 00007fff008bf160 R15: 00007fff008bf150 [ 286.433699][ T32] [ 286.433705][ T32] INFO: task syz-executor116:5641 blocked for more than 143 seconds. [ 286.433716][ T32] Not tainted syzkaller #0 [ 286.433724][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.433730][ T32] task:syz-executor116 state:D stack:27472 pid:5641 tgid:5641 ppid:5638 task_flags:0x400140 flags:0x00080002 [ 286.433777][ T32] Call Trace: [ 286.433782][ T32] [ 286.433791][ T32] __schedule+0x17db/0x58f0 [ 286.433830][ T32] ? __pfx___schedule+0x10/0x10 [ 286.433855][ T32] ? schedule+0x90/0x2b0 [ 286.433876][ T32] schedule+0x164/0x2b0 [ 286.433897][ T32] schedule_preempt_disabled+0x13/0x30 [ 286.433916][ T32] __mutex_lock+0x7c1/0x1550 [ 286.433940][ T32] ? __mutex_lock+0x5d4/0x1550 [ 286.433964][ T32] ? nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.433987][ T32] ? __pfx___mutex_lock+0x10/0x10 [ 286.434007][ T32] ? __kasan_kmalloc+0x93/0xb0 [ 286.434030][ T32] ? __nla_validate_parse+0x2429/0x2d50 [ 286.434051][ T32] ? do_syscall_64+0x166/0x520 [ 286.434071][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.434094][ T32] nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.434121][ T32] ? __pfx___nla_validate_parse+0x10/0x10 [ 286.434155][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.434176][ T32] ? trace_kmalloc+0x2a/0xf0 [ 286.434193][ T32] ? __kmalloc_noprof+0x38c/0x720 [ 286.434210][ T32] ? __nla_parse+0x40/0x60 [ 286.434234][ T32] ? genl_family_rcv_msg_attrs_parse+0x20b/0x2f0 [ 286.434255][ T32] ? genl_family_rcv_msg_attrs_parse+0x265/0x2f0 [ 286.434282][ T32] genl_family_rcv_msg_doit+0x233/0x340 [ 286.434307][ T32] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 286.434337][ T32] ? bpf_lsm_capable+0x9/0x20 [ 286.434351][ T32] ? security_capable+0x7e/0x2c0 [ 286.434375][ T32] genl_rcv_msg+0x614/0x7a0 [ 286.434399][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.434419][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.434450][ T32] netlink_rcv_skb+0x226/0x4a0 [ 286.434476][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.434496][ T32] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 286.434533][ T32] ? down_read+0x2be/0x330 [ 286.434559][ T32] genl_rcv+0x28/0x40 [ 286.434576][ T32] netlink_unicast+0x7bd/0x940 [ 286.434614][ T32] netlink_sendmsg+0x813/0xb40 [ 286.434636][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.434658][ T32] ? apparmor_socket_sendmsg+0x98/0x360 [ 286.434678][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.434693][ T32] sock_sendmsg_nosec+0x13a/0x180 [ 286.434712][ T32] ____sys_sendmsg+0x54e/0x850 [ 286.434739][ T32] ? __pfx_____sys_sendmsg+0x10/0x10 [ 286.434768][ T32] ? import_iovec+0x73/0xa0 [ 286.434792][ T32] ___sys_sendmsg+0x2a5/0x360 [ 286.434814][ T32] ? __lock_acquire+0x747/0x2de0 [ 286.434833][ T32] ? __pfx____sys_sendmsg+0x10/0x10 [ 286.434892][ T32] __x64_sys_sendmsg+0x1b1/0x290 [ 286.434915][ T32] ? _raw_spin_unlock_irq+0x2e/0x50 [ 286.434934][ T32] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 286.434963][ T32] ? do_user_addr_fault+0xc4c/0x1340 [ 286.434987][ T32] do_syscall_64+0x166/0x520 [ 286.435007][ T32] ? trace_irq_disable+0x3b/0x140 [ 286.435023][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.435039][ T32] ? clear_bhb_loop+0x70/0xc0 [ 286.435059][ T32] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.435074][ T32] RIP: 0033:0x7fd4b8a79839 [ 286.435087][ T32] RSP: 002b:00007fff008bf138 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 286.435102][ T32] RAX: ffffffffffffffda RBX: 0000200000000080 RCX: 00007fd4b8a79839 [ 286.435116][ T32] RDX: 0000000004008084 RSI: 0000200000000140 RDI: 0000000000000003 [ 286.435126][ T32] RBP: 0000000000000000 R08: 0000000000000009 R09: 0000000000000009 [ 286.435135][ T32] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 286.435144][ T32] R13: 00007fd4b8b11200 R14: 00007fff008bf160 R15: 00007fff008bf150 [ 286.435169][ T32] [ 286.435175][ T32] INFO: task syz-executor116:5647 blocked for more than 143 seconds. [ 286.435186][ T32] Not tainted syzkaller #0 [ 286.435194][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.435200][ T32] task:syz-executor116 state:D stack:26400 pid:5647 tgid:5647 ppid:5633 task_flags:0x400140 flags:0x00080802 [ 286.435246][ T32] Call Trace: [ 286.435251][ T32] [ 286.435260][ T32] __schedule+0x17db/0x58f0 [ 286.435299][ T32] ? __pfx___schedule+0x10/0x10 [ 286.435325][ T32] ? schedule+0x90/0x2b0 [ 286.435346][ T32] schedule+0x164/0x2b0 [ 286.435367][ T32] schedule_preempt_disabled+0x13/0x30 [ 286.435385][ T32] __mutex_lock+0x7c1/0x1550 [ 286.435410][ T32] ? __mutex_lock+0x5d4/0x1550 [ 286.435434][ T32] ? nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.435456][ T32] ? __pfx___mutex_lock+0x10/0x10 [ 286.435476][ T32] ? __kasan_kmalloc+0x93/0xb0 [ 286.435500][ T32] ? __nla_validate_parse+0x2429/0x2d50 [ 286.435521][ T32] ? do_syscall_64+0x166/0x520 [ 286.435540][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.435563][ T32] nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.435588][ T32] ? __pfx___nla_validate_parse+0x10/0x10 [ 286.435628][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.435649][ T32] ? trace_kmalloc+0x2a/0xf0 [ 286.435667][ T32] ? __kmalloc_noprof+0x38c/0x720 [ 286.435684][ T32] ? __nla_parse+0x40/0x60 [ 286.435708][ T32] ? genl_family_rcv_msg_attrs_parse+0x20b/0x2f0 [ 286.435729][ T32] ? genl_family_rcv_msg_attrs_parse+0x265/0x2f0 [ 286.435756][ T32] genl_family_rcv_msg_doit+0x233/0x340 [ 286.435782][ T32] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 286.435812][ T32] ? bpf_lsm_capable+0x9/0x20 [ 286.435826][ T32] ? security_capable+0x7e/0x2c0 [ 286.435850][ T32] genl_rcv_msg+0x614/0x7a0 [ 286.435875][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.435895][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.435926][ T32] netlink_rcv_skb+0x226/0x4a0 [ 286.435952][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.435974][ T32] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 286.436010][ T32] ? down_read+0x2be/0x330 [ 286.436036][ T32] genl_rcv+0x28/0x40 [ 286.436054][ T32] netlink_unicast+0x7bd/0x940 [ 286.436085][ T32] netlink_sendmsg+0x813/0xb40 [ 286.436109][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.436132][ T32] ? apparmor_socket_sendmsg+0x98/0x360 [ 286.436152][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.436166][ T32] sock_sendmsg_nosec+0x13a/0x180 [ 286.436185][ T32] ____sys_sendmsg+0x54e/0x850 [ 286.436212][ T32] ? __pfx_____sys_sendmsg+0x10/0x10 [ 286.436241][ T32] ? import_iovec+0x73/0xa0 [ 286.436265][ T32] ___sys_sendmsg+0x2a5/0x360 [ 286.436287][ T32] ? __lock_acquire+0x747/0x2de0 [ 286.436306][ T32] ? __pfx____sys_sendmsg+0x10/0x10 [ 286.436365][ T32] __x64_sys_sendmsg+0x1b1/0x290 [ 286.436387][ T32] ? _raw_spin_unlock_irq+0x2e/0x50 [ 286.436406][ T32] ? __pfx___x64_sys_sendmsg+0x10/0x10 [ 286.436435][ T32] ? do_user_addr_fault+0xc4c/0x1340 [ 286.436459][ T32] do_syscall_64+0x166/0x520 [ 286.436479][ T32] ? trace_irq_disable+0x3b/0x140 [ 286.436494][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.436510][ T32] ? clear_bhb_loop+0x70/0xc0 [ 286.436530][ T32] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.436545][ T32] RIP: 0033:0x7fd4b8a79839 [ 286.436558][ T32] RSP: 002b:00007fff008bf138 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 286.436573][ T32] RAX: ffffffffffffffda RBX: 0000200000000080 RCX: 00007fd4b8a79839 [ 286.436584][ T32] RDX: 0000000004008084 RSI: 0000200000000140 RDI: 0000000000000003 [ 286.436594][ T32] RBP: 0000000000000000 R08: 0000000000000009 R09: 0000000000000009 [ 286.436603][ T32] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000151c2 [ 286.436619][ T32] R13: 00007fff008bf14c R14: 00007fff008bf160 R15: 00007fff008bf150 [ 286.436643][ T32] [ 286.436655][ T32] [ 286.436655][ T32] Showing all locks held in the system: [ 286.436665][ T32] locks held by khungtaskd/32: 1, last CPU#1: [ 286.436676][ T32] #0: ffffffff8ed5c920 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 [ 286.436724][ T32] locks held by kworker/u8:7/1014: 2, on CPU#1: [ 286.436735][ T32] #0: ffff88801b0ac140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 [ 286.436779][ T32] #1: ffffc900050f7c40 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 [ 286.436839][ T32] locks held by getty/5376: 2, on CPU#0: [ 286.436849][ T32] #0: ffff888031fce0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 286.436897][ T32] #1: ffffc900032332e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45a/0x1360 [ 286.436941][ T32] locks held by syz-executor116/5637: 2, on CPU#1: [ 286.436952][ T32] #0: ffffffff902c5cc8 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 286.436991][ T32] #1: ffffffff8f09f900 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.437034][ T32] locks held by syz-executor116/5640: 2, on CPU#1: [ 286.437045][ T32] #0: ffffffff902c5cc8 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 286.437084][ T32] #1: ffffffff8f09f900 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.437127][ T32] locks held by syz-executor116/5641: 2, on CPU#1: [ 286.437138][ T32] #0: ffffffff902c5cc8 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 286.437177][ T32] #1: ffffffff8f09f900 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.437219][ T32] locks held by syz-executor116/5642: 2, on CPU#0: [ 286.437230][ T32] #0: ffffffff902c5cc8 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 286.437269][ T32] #1: ffffffff8f09f900 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.437311][ T32] locks held by syz-executor116/5647: 2, on CPU#1: [ 286.437321][ T32] #0: ffffffff902c5cc8 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 286.437361][ T32] #1: ffffffff8f09f900 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.437402][ T32] [ 286.437406][ T32] ============================================= [ 286.437406][ T32] [ 286.437421][ T32] NMI backtrace for cpu 1 [ 286.437437][ T32] CPU: 1 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 286.437454][ T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 286.437462][ T32] Call Trace: [ 286.437469][ T32] [ 286.437475][ T32] dump_stack_lvl+0xe8/0x150 [ 286.437498][ T32] nmi_cpu_backtrace+0x274/0x2d0 [ 286.437515][ T32] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 286.437542][ T32] nmi_trigger_cpumask_backtrace+0x17d/0x390 [ 286.437561][ T32] sys_info+0x135/0x170 [ 286.437583][ T32] watchdog+0xfd7/0x1030 [ 286.437605][ T32] ? watchdog+0x1c7/0x1030 [ 286.437630][ T32] kthread+0x38b/0x480 [ 286.437646][ T32] ? __pfx_watchdog+0x10/0x10 [ 286.437659][ T32] ? __pfx_kthread+0x10/0x10 [ 286.437675][ T32] ret_from_fork+0x514/0xb70 [ 286.437693][ T32] ? __pfx_ret_from_fork+0x10/0x10 [ 286.437708][ T32] ? __switch_to+0xc89/0x1420 [ 286.437732][ T32] ? __pfx_kthread+0x10/0x10 [ 286.437748][ T32] ret_from_fork_asm+0x1a/0x30 [ 286.437784][ T32] [ 286.437790][ T32] Sending NMI from CPU 1 to CPUs 0: [ 286.437851][ C0] NMI backtrace for cpu 0 [ 286.437865][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) [ 286.437886][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 286.437897][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 286.437923][ C0] Code: 3c 88 02 e9 83 08 03 00 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 e3 21 23 00 fb f4 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 [ 286.437938][ C0] RSP: 0018:ffffffff8ea07ca0 EFLAGS: 00000242 [ 286.437955][ C0] RAX: 00000000000bfead RBX: ffffffff819bbcb0 RCX: 8000000000000001 [ 286.437969][ C0] RDX: 0000000000000001 RSI: ffffffff8e41591d RDI: ffffffff8c6dac80 [ 286.437982][ C0] RBP: ffffffff8ea07d78 R08: ffff8880b8633a1b R09: 1ffff110170c6743 [ 286.437996][ C0] R10: dffffc0000000000 R11: ffffed10170c6744 R12: 0000000000000000 [ 286.438008][ C0] R13: 1ffffffff1d51e00 R14: 1ffffffff1d40f9c R15: dffffc0000000000 [ 286.438023][ C0] FS: 0000000000000000(0000) GS:ffff888124cca000(0000) knlGS:0000000000000000 [ 286.438038][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 286.438051][ C0] CR2: 00005565850d6660 CR3: 000000007b7d2000 CR4: 00000000003526f0 [ 286.438068][ C0] Call Trace: [ 286.438074][ C0] [ 286.438081][ C0] default_idle+0x9/0x20 [ 286.438115][ C0] default_idle_call+0x72/0xb0 [ 286.438143][ C0] do_idle+0x2e0/0x540 [ 286.438161][ C0] ? __pfx_do_idle+0x10/0x10 [ 286.438179][ C0] ? do_idle+0x4d2/0x540 [ 286.438197][ C0] cpu_startup_entry+0x43/0x60 [ 286.438214][ C0] rest_init+0x378/0x3a0 [ 286.438230][ C0] ? __pfx_rest_init+0x10/0x10 [ 286.438251][ C0] ? __pfx_kernel_init+0x10/0x10 [ 286.438268][ C0] ? __pfx_acpi_hw_get_mode+0x10/0x10 [ 286.438297][ C0] ? acpi_ut_status_exit+0x120/0x1f0 [ 286.438319][ C0] ? acpi_ut_status_exit+0x120/0x1f0 [ 286.438343][ C0] ? acpi_enable_subsystem+0x286/0x3c0 [ 286.438377][ C0] start_kernel+0x392/0x3e0 [ 286.438407][ C0] x86_64_start_reservations+0x24/0x30 [ 286.438431][ C0] x86_64_start_kernel+0x137/0x1b0 [ 286.438454][ C0] common_startup_64+0x13e/0x157 [ 286.438486][ C0] [ 286.438849][ T32] Kernel panic - not syncing: hung_task: blocked tasks [ 288.477511][ T32] CPU: 1 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 288.486656][ T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 288.496733][ T32] Call Trace: [ 288.500399][ T32] [ 288.503371][ T32] vpanic+0x56d/0xa60 [ 288.507402][ T32] ? __pfx_vpanic+0x10/0x10 [ 288.511947][ T32] ? console_srcu_read_unlock+0x3a/0x60 [ 288.517539][ T32] panic+0xc5/0xd0 [ 288.521303][ T32] ? __pfx_panic+0x10/0x10 [ 288.525762][ T32] ? wq_watchdog_touch+0xf9/0x160 [ 288.530823][ T32] ? nmi_trigger_cpumask_backtrace+0x24d/0x390 [ 288.537027][ T32] watchdog+0x1030/0x1030 [ 288.541405][ T32] ? watchdog+0x1c7/0x1030 [ 288.545855][ T32] kthread+0x38b/0x480 [ 288.549952][ T32] ? __pfx_watchdog+0x10/0x10 [ 288.554649][ T32] ? __pfx_kthread+0x10/0x10 [ 288.559267][ T32] ret_from_fork+0x514/0xb70 [ 288.563908][ T32] ? __pfx_ret_from_fork+0x10/0x10 [ 288.569040][ T32] ? __switch_to+0xc89/0x1420 [ 288.573745][ T32] ? __pfx_kthread+0x10/0x10 [ 288.578368][ T32] ret_from_fork_asm+0x1a/0x30 [ 288.583171][ T32] [ 288.586811][ T32] Kernel Offset: disabled [ 288.591160][ T32] Rebooting in 86400 seconds..