ci-upstream-net-kasan-gce/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci-upstream-net-kasan-gce/syz-executor2420806247 <...> Warning: Permanently added '10.128.0.233' (ED25519) to the list of known hosts. execve("ci-upstream-net-kasan-gce/syz-executor2420806247", ["ci-upstream-net-kasan-gce/syz-executor2420806247"], 0x7fff6a40dea0 /* 10 vars */) = 0 brk(NULL) = 0x555594230000 brk(0x555594230d80) = 0x555594230d80 arch_prctl(ARCH_SET_FS, 0x555594230400) = 0 set_tid_address(0x5555942306d0) = 5631 set_robust_list(0x5555942306e0, 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-executor2420806247", 4096) = 54 getrandom("\x12\xad\xde\x37\x16\x84\x10\x4f", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555594230d80 brk(0x555594251d80) = 0x555594251d80 brk(0x555594252000) = 0x555594252000 mprotect(0x7fb2efa46000, 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 5632 attached , child_tidptr=0x5555942306d0) = 5632 [pid 5631] rt_sigprocmask(SIG_SETMASK, [] [pid 5632] set_robust_list(0x5555942306e0, 24 [pid 5631] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5632] <... set_robust_list resumed>) = 0 [pid 5631] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5631] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5632] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5632] rt_sigprocmask(SIG_BLOCK, ~[]ci-upstream-net-kasan-gce/strace-static-x86_64: Process 5633 attached , [], 8) = 0 [pid 5632] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5631] <... clone resumed>, child_tidptr=0x5555942306d0) = 5633 [pid 5633] set_robust_list(0x5555942306e0, 24 [pid 5631] rt_sigprocmask(SIG_SETMASK, [] [pid 5633] <... set_robust_list resumed>) = 0 [pid 5631] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5633] rt_sigprocmask(SIG_SETMASK, [] [pid 5631] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5633] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci-upstream-net-kasan-gce/strace-static-x86_64: Process 5634 attached [pid 5631] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5633] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5631] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5633] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5634] set_robust_list(0x5555942306e0, 24 [pid 5632] <... clone resumed>, child_tidptr=0x5555942306d0) = 5634 [pid 5634] <... set_robust_list resumed>) = 0 [pid 5632] rt_sigprocmask(SIG_SETMASK, [] [pid 5634] rt_sigprocmask(SIG_SETMASK, [] [pid 5632] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5634] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5634] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ci-upstream-net-kasan-gce/strace-static-x86_64: Process 5635 attached [pid 5633] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5635] set_robust_list(0x5555942306e0, 24 [pid 5634] setpgid(0, 0 [pid 5635] <... set_robust_list resumed>) = 0 [pid 5634] <... setpgid resumed>) = 0 [pid 5631] <... clone resumed>, child_tidptr=0x5555942306d0) = 5635 [pid 5635] rt_sigprocmask(SIG_SETMASK, [] [pid 5634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5631] rt_sigprocmask(SIG_SETMASK, []ci-upstream-net-kasan-gce/strace-static-x86_64: Process 5636 attached , NULL, 8) = 0 [pid 5635] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5634] <... openat resumed>) = 3 [pid 5631] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5635] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5634] write(3, "1000", 4 [pid 5633] <... clone resumed>, child_tidptr=0x5555942306d0) = 5636 [pid 5631] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5636] set_robust_list(0x5555942306e0, 24 [pid 5634] <... write resumed>) = 4 [pid 5631] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5636] <... set_robust_list resumed>) = 0 [pid 5634] close(3 [pid 5633] rt_sigprocmask(SIG_SETMASK, [] [pid 5635] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5635] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5636] rt_sigprocmask(SIG_SETMASK, []ci-upstream-net-kasan-gce/strace-static-x86_64: Process 5638 attached ci-upstream-net-kasan-gce/strace-static-x86_64: Process 5637 attached , NULL, 8) = 0 [pid 5634] <... close resumed>) = 0 [pid 5633] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5637] set_robust_list(0x5555942306e0, 24 [pid 5635] <... clone resumed>, child_tidptr=0x5555942306d0) = 5637 [pid 5637] <... set_robust_list resumed>) = 0 [pid 5635] rt_sigprocmask(SIG_SETMASK, [] [pid 5634] write(1, "executing program\n", 18 [pid 5631] <... clone resumed>, child_tidptr=0x5555942306d0) = 5638 [pid 5638] set_robust_list(0x5555942306e0, 24 [pid 5637] rt_sigprocmask(SIG_SETMASK, [] [pid 5636] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5635] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5634] <... write resumed>) = 18 executing program [pid 5631] rt_sigprocmask(SIG_SETMASK, [] [pid 5638] <... set_robust_list resumed>) = 0 [pid 5636] <... prctl resumed>) = 0 [pid 5634] socket(AF_NETLINK, SOCK_RAW, NETLINK_NETFILTER [pid 5631] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5637] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5636] setpgid(0, 0 [pid 5631] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5637] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5636] <... setpgid resumed>) = 0 [pid 5634] <... socket resumed>) = 3 [pid 5631] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5638] rt_sigprocmask(SIG_SETMASK, [] [pid 5636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5637] <... prctl resumed>) = 0 [pid 5631] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5637] setpgid(0, 0 [pid 5634] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base=[[{nlmsg_len=20, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x00\x00\x0a"], [{nlmsg_len=32, nlmsg_type=0xa00 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|0x400, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x00\x00\x0a\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00"], [{nlmsg_len=64, nlmsg_type=0xa03 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|0x400, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x00\x00\x0a\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x09\x00\x03\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x14\x00\x04\x80\x08\x00\x01\x40\x00\x00\x00\x03\x08\x00\x02\x40\x00\x00\x00\x00"], [{nlmsg_len=76, nlmsg_type=0xa06 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|0x400, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x00\x00\x0a\x09\x00\x01\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x09\x00\x02\x00\x73\x79\x7a\x30\x00\x00\x00\x00\x20\x00\x04\x80\x1c\x00\x01\x80\x0a\x00\x01\x00\x71\x75\x65\x75\x65\x00\x00\x00\x0c\x00\x02\x80\x06\x00\x01\x40\x00\x00\x00\x00"], [{nlmsg_len=20, nlmsg_type=0x11 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x00\x00\x0a"]], iov_len=212}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0ci-upstream-net-kasan-gce/strace-static-x86_64: Process 5639 attached [pid 5638] <... rt_sigprocmask resumed>, NULL, 8) = 0 [ 87.099816][ T987] cfg80211: failed to load regulatory.db [ 271.418898][ T5634] svc: failed to register nfsdv3 RPC service (errno 512). [ 271.419047][ T5634] svc: failed to register nfsaclv3 RPC service (errno 512). [ 271.419713][ T5634] svc: failed to register nfsdv3 RPC service (errno 512). [ 271.419847][ T5634] svc: failed to register nfsaclv3 RPC service (errno 512). [ 286.776967][ T32] INFO: task syz-executor242:5636 blocked for more than 143 seconds. [ 286.776989][ T32] Not tainted syzkaller #0 [ 286.776996][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.777001][ T32] task:syz-executor242 state:D stack:26056 pid:5636 tgid:5636 ppid:5633 task_flags:0x400140 flags:0x00080002 [ 286.777036][ T32] Call Trace: [ 286.777041][ T32] [ 286.777059][ T32] __schedule+0x17db/0x58f0 [ 286.777111][ T32] ? __pfx___schedule+0x10/0x10 [ 286.777130][ T32] ? schedule+0x90/0x2b0 [ 286.777145][ T32] schedule+0x164/0x2b0 [ 286.777160][ T32] schedule_preempt_disabled+0x13/0x30 [ 286.777174][ T32] __mutex_lock+0x7c1/0x1550 [ 286.777191][ T32] ? __mutex_lock+0x5d4/0x1550 [ 286.777208][ T32] ? nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.777229][ T32] ? __pfx___mutex_lock+0x10/0x10 [ 286.777243][ T32] ? __kasan_kmalloc+0x93/0xb0 [ 286.777263][ T32] ? __nla_parse+0x40/0x60 [ 286.777282][ T32] nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.777324][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.777343][ T32] ? __kmalloc_noprof+0x38c/0x720 [ 286.777357][ T32] ? __nla_parse+0x40/0x60 [ 286.777374][ T32] ? genl_family_rcv_msg_attrs_parse+0x20b/0x2f0 [ 286.777389][ T32] ? genl_family_rcv_msg_attrs_parse+0x265/0x2f0 [ 286.777408][ T32] genl_family_rcv_msg_doit+0x233/0x340 [ 286.777427][ T32] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 286.777448][ T32] ? bpf_lsm_capable+0x9/0x20 [ 286.777460][ T32] ? security_capable+0x7e/0x2c0 [ 286.777478][ T32] genl_rcv_msg+0x614/0x7a0 [ 286.777496][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.777510][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.777533][ T32] netlink_rcv_skb+0x226/0x4a0 [ 286.777551][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.777566][ T32] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 286.777591][ T32] ? down_read+0x2be/0x330 [ 286.777609][ T32] genl_rcv+0x28/0x40 [ 286.777622][ T32] netlink_unicast+0x7bd/0x940 [ 286.777644][ T32] netlink_sendmsg+0x813/0xb40 [ 286.777662][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.777683][ T32] ? apparmor_socket_sendmsg+0x98/0x360 [ 286.777699][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.777710][ T32] sock_sendmsg_nosec+0x14e/0x190 [ 286.777725][ T32] sock_write_iter+0x2de/0x3e0 [ 286.777744][ T32] ? __pfx_sock_write_iter+0x10/0x10 [ 286.777765][ T32] ? bpf_lsm_file_permission+0x9/0x20 [ 286.777781][ T32] ? security_file_permission+0x75/0x260 [ 286.777798][ T32] vfs_write+0x612/0xba0 [ 286.777824][ T32] ? __pfx_vfs_write+0x10/0x10 [ 286.777846][ T32] ? _raw_spin_unlock_irq+0x23/0x50 [ 286.777865][ T32] ksys_write+0x150/0x270 [ 286.777883][ T32] ? __pfx_ksys_write+0x10/0x10 [ 286.777907][ T32] do_syscall_64+0x166/0x520 [ 286.777921][ T32] ? trace_irq_disable+0x3b/0x140 [ 286.777932][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.777945][ T32] ? clear_bhb_loop+0x70/0xc0 [ 286.777959][ T32] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.777971][ T32] RIP: 0033:0x7fb2ef9b38b9 [ 286.777983][ T32] RSP: 002b:00007ffcfd01d9d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 286.777996][ T32] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb2ef9b38b9 [ 286.778005][ T32] RDX: 0000000000000054 RSI: 0000200000000100 RDI: 0000000000000004 [ 286.778013][ T32] RBP: 0000000000000000 R08: 0000000000000009 R09: 0000000000000009 [ 286.778020][ T32] R10: 0000000000000009 R11: 0000000000000246 R12: 0000000000000000 [ 286.778027][ T32] R13: 00007fb2efa4b1e0 R14: 00007ffcfd01da00 R15: 00007ffcfd01d9f0 [ 286.778046][ T32] [ 286.778052][ T32] INFO: task syz-executor242:5637 blocked for more than 143 seconds. [ 286.778060][ T32] Not tainted syzkaller #0 [ 286.778066][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.778071][ T32] task:syz-executor242 state:D stack:26408 pid:5637 tgid:5637 ppid:5635 task_flags:0x400140 flags:0x00080002 [ 286.778107][ T32] Call Trace: [ 286.778111][ T32] [ 286.778118][ T32] __schedule+0x17db/0x58f0 [ 286.778148][ T32] ? __pfx___schedule+0x10/0x10 [ 286.778167][ T32] ? schedule+0x90/0x2b0 [ 286.778182][ T32] schedule+0x164/0x2b0 [ 286.778196][ T32] schedule_preempt_disabled+0x13/0x30 [ 286.778209][ T32] __mutex_lock+0x7c1/0x1550 [ 286.778233][ T32] ? __mutex_lock+0x5d4/0x1550 [ 286.778249][ T32] ? nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.778265][ T32] ? __pfx___mutex_lock+0x10/0x10 [ 286.778278][ T32] ? __kasan_kmalloc+0x93/0xb0 [ 286.778301][ T32] ? __nla_parse+0x40/0x60 [ 286.778369][ T32] nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.778399][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.778417][ T32] ? __kmalloc_noprof+0x38c/0x720 [ 286.778441][ T32] ? __nla_parse+0x40/0x60 [ 286.778458][ T32] ? genl_family_rcv_msg_attrs_parse+0x20b/0x2f0 [ 286.778472][ T32] ? genl_family_rcv_msg_attrs_parse+0x265/0x2f0 [ 286.778491][ T32] genl_family_rcv_msg_doit+0x233/0x340 [ 286.778509][ T32] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 286.778531][ T32] ? bpf_lsm_capable+0x9/0x20 [ 286.778541][ T32] ? security_capable+0x7e/0x2c0 [ 286.778559][ T32] genl_rcv_msg+0x614/0x7a0 [ 286.778576][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.778590][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.778613][ T32] netlink_rcv_skb+0x226/0x4a0 [ 286.778630][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.778645][ T32] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 286.778671][ T32] ? down_read+0x2be/0x330 [ 286.778688][ T32] genl_rcv+0x28/0x40 [ 286.778700][ T32] netlink_unicast+0x7bd/0x940 [ 286.778722][ T32] netlink_sendmsg+0x813/0xb40 [ 286.778745][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.778761][ T32] ? apparmor_socket_sendmsg+0x98/0x360 [ 286.778776][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.778787][ T32] sock_sendmsg_nosec+0x14e/0x190 [ 286.778801][ T32] sock_write_iter+0x2de/0x3e0 [ 286.778822][ T32] ? __pfx_sock_write_iter+0x10/0x10 [ 286.778844][ T32] ? bpf_lsm_file_permission+0x9/0x20 [ 286.778858][ T32] ? security_file_permission+0x75/0x260 [ 286.778876][ T32] vfs_write+0x612/0xba0 [ 286.778897][ T32] ? __pfx_vfs_write+0x10/0x10 [ 286.778919][ T32] ? _raw_spin_unlock_irq+0x23/0x50 [ 286.778937][ T32] ksys_write+0x150/0x270 [ 286.778955][ T32] ? __pfx_ksys_write+0x10/0x10 [ 286.778978][ T32] do_syscall_64+0x166/0x520 [ 286.778992][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.779004][ T32] ? clear_bhb_loop+0x70/0xc0 [ 286.779018][ T32] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.779030][ T32] RIP: 0033:0x7fb2ef9b38b9 [ 286.779040][ T32] RSP: 002b:00007ffcfd01d9d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 286.779052][ T32] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb2ef9b38b9 [ 286.779060][ T32] RDX: 0000000000000054 RSI: 0000200000000100 RDI: 0000000000000004 [ 286.779068][ T32] RBP: 0000000000000000 R08: 0000000000000009 R09: 0000000000000009 [ 286.779074][ T32] R10: 0000000000000009 R11: 0000000000000246 R12: 0000000000000000 [ 286.779082][ T32] R13: 00007fb2efa4b1e0 R14: 00007ffcfd01da00 R15: 00007ffcfd01d9f0 [ 286.779100][ T32] [ 286.779106][ T32] INFO: task syz-executor242:5640 blocked for more than 143 seconds. [ 286.779114][ T32] Not tainted syzkaller #0 [ 286.779120][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.779124][ T32] task:syz-executor242 state:D stack:26408 pid:5640 tgid:5640 ppid:5638 task_flags:0x400140 flags:0x00080002 [ 286.779153][ T32] Call Trace: [ 286.779157][ T32] [ 286.779164][ T32] __schedule+0x17db/0x58f0 [ 286.779193][ T32] ? __pfx___schedule+0x10/0x10 [ 286.779212][ T32] ? schedule+0x90/0x2b0 [ 286.779227][ T32] schedule+0x164/0x2b0 [ 286.779241][ T32] schedule_preempt_disabled+0x13/0x30 [ 286.779253][ T32] __mutex_lock+0x7c1/0x1550 [ 286.779270][ T32] ? __mutex_lock+0x5d4/0x1550 [ 286.779287][ T32] ? nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.779302][ T32] ? __pfx___mutex_lock+0x10/0x10 [ 286.779348][ T32] ? __kasan_kmalloc+0x93/0xb0 [ 286.779368][ T32] ? __nla_parse+0x40/0x60 [ 286.779385][ T32] nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.779414][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.779432][ T32] ? __kmalloc_noprof+0x38c/0x720 [ 286.779446][ T32] ? __nla_parse+0x40/0x60 [ 286.779463][ T32] ? genl_family_rcv_msg_attrs_parse+0x20b/0x2f0 [ 286.779477][ T32] ? genl_family_rcv_msg_attrs_parse+0x265/0x2f0 [ 286.779496][ T32] genl_family_rcv_msg_doit+0x233/0x340 [ 286.779514][ T32] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 286.779536][ T32] ? bpf_lsm_capable+0x9/0x20 [ 286.779546][ T32] ? security_capable+0x7e/0x2c0 [ 286.779563][ T32] genl_rcv_msg+0x614/0x7a0 [ 286.779581][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.779595][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.779617][ T32] netlink_rcv_skb+0x226/0x4a0 [ 286.779635][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.779649][ T32] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 286.779675][ T32] ? down_read+0x2be/0x330 [ 286.779693][ T32] genl_rcv+0x28/0x40 [ 286.779705][ T32] netlink_unicast+0x7bd/0x940 [ 286.779728][ T32] netlink_sendmsg+0x813/0xb40 [ 286.779745][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.779761][ T32] ? apparmor_socket_sendmsg+0x98/0x360 [ 286.779775][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.779786][ T32] sock_sendmsg_nosec+0x14e/0x190 [ 286.779800][ T32] sock_write_iter+0x2de/0x3e0 [ 286.779821][ T32] ? __pfx_sock_write_iter+0x10/0x10 [ 286.779854][ T32] ? bpf_lsm_file_permission+0x9/0x20 [ 286.779869][ T32] ? security_file_permission+0x75/0x260 [ 286.779886][ T32] vfs_write+0x612/0xba0 [ 286.779907][ T32] ? __pfx_vfs_write+0x10/0x10 [ 286.779929][ T32] ? _raw_spin_unlock_irq+0x23/0x50 [ 286.779947][ T32] ksys_write+0x150/0x270 [ 286.779965][ T32] ? __pfx_ksys_write+0x10/0x10 [ 286.779988][ T32] do_syscall_64+0x166/0x520 [ 286.780002][ T32] ? trace_irq_disable+0x3b/0x140 [ 286.780013][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.780024][ T32] ? clear_bhb_loop+0x70/0xc0 [ 286.780039][ T32] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.780050][ T32] RIP: 0033:0x7fb2ef9b38b9 [ 286.780060][ T32] RSP: 002b:00007ffcfd01d9d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 286.780071][ T32] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb2ef9b38b9 [ 286.780080][ T32] RDX: 0000000000000054 RSI: 0000200000000100 RDI: 0000000000000004 [ 286.780087][ T32] RBP: 0000000000000000 R08: 0000000000000009 R09: 0000000000000009 [ 286.780094][ T32] R10: 0000000000000009 R11: 0000000000000246 R12: 0000000000000000 [ 286.780102][ T32] R13: 00007fb2efa4b1e0 R14: 00007ffcfd01da00 R15: 00007ffcfd01d9f0 [ 286.780126][ T32] [ 286.780131][ T32] INFO: task syz-executor242:5641 blocked for more than 143 seconds. [ 286.780142][ T32] Not tainted syzkaller #0 [ 286.780151][ T32] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.780156][ T32] task:syz-executor242 state:D stack:26056 pid:5641 tgid:5641 ppid:5639 task_flags:0x400140 flags:0x00080002 [ 286.780184][ T32] Call Trace: [ 286.780188][ T32] [ 286.780195][ T32] __schedule+0x17db/0x58f0 [ 286.780225][ T32] ? __pfx___schedule+0x10/0x10 [ 286.780247][ T32] ? schedule+0x90/0x2b0 [ 286.780261][ T32] schedule+0x164/0x2b0 [ 286.780279][ T32] schedule_preempt_disabled+0x13/0x30 [ 286.780292][ T32] __mutex_lock+0x7c1/0x1550 [ 286.780310][ T32] ? __mutex_lock+0x5d4/0x1550 [ 286.780333][ T32] ? nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.780348][ T32] ? __pfx___mutex_lock+0x10/0x10 [ 286.780362][ T32] ? __kasan_kmalloc+0x93/0xb0 [ 286.780381][ T32] ? __nla_parse+0x40/0x60 [ 286.780399][ T32] nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.780427][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.780454][ T32] ? __kmalloc_noprof+0x38c/0x720 [ 286.780472][ T32] ? __nla_parse+0x40/0x60 [ 286.780496][ T32] ? genl_family_rcv_msg_attrs_parse+0x20b/0x2f0 [ 286.780511][ T32] ? genl_family_rcv_msg_attrs_parse+0x265/0x2f0 [ 286.780530][ T32] genl_family_rcv_msg_doit+0x233/0x340 [ 286.780549][ T32] ? __pfx_genl_family_rcv_msg_doit+0x10/0x10 [ 286.780570][ T32] ? bpf_lsm_capable+0x9/0x20 [ 286.780581][ T32] ? security_capable+0x7e/0x2c0 [ 286.780598][ T32] genl_rcv_msg+0x614/0x7a0 [ 286.780616][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.780629][ T32] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.780652][ T32] netlink_rcv_skb+0x226/0x4a0 [ 286.780670][ T32] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.780685][ T32] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 286.780711][ T32] ? down_read+0x2be/0x330 [ 286.780728][ T32] genl_rcv+0x28/0x40 [ 286.780740][ T32] netlink_unicast+0x7bd/0x940 [ 286.780763][ T32] netlink_sendmsg+0x813/0xb40 [ 286.780780][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.780797][ T32] ? apparmor_socket_sendmsg+0x98/0x360 [ 286.780811][ T32] ? __pfx_netlink_sendmsg+0x10/0x10 [ 286.780825][ T32] sock_sendmsg_nosec+0x14e/0x190 [ 286.780839][ T32] sock_write_iter+0x2de/0x3e0 [ 286.780858][ T32] ? __pfx_sock_write_iter+0x10/0x10 [ 286.780879][ T32] ? bpf_lsm_file_permission+0x9/0x20 [ 286.780893][ T32] ? security_file_permission+0x75/0x260 [ 286.780910][ T32] vfs_write+0x612/0xba0 [ 286.780933][ T32] ? __pfx_vfs_write+0x10/0x10 [ 286.780958][ T32] ? _raw_spin_unlock_irq+0x23/0x50 [ 286.780980][ T32] ksys_write+0x150/0x270 [ 286.780998][ T32] ? __pfx_ksys_write+0x10/0x10 [ 286.781024][ T32] do_syscall_64+0x166/0x520 [ 286.781038][ T32] ? trace_irq_disable+0x3b/0x140 [ 286.781049][ T32] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.781061][ T32] ? clear_bhb_loop+0x70/0xc0 [ 286.781075][ T32] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 286.781086][ T32] RIP: 0033:0x7fb2ef9b38b9 [ 286.781096][ T32] RSP: 002b:00007ffcfd01d9d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 286.781108][ T32] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb2ef9b38b9 [ 286.781115][ T32] RDX: 0000000000000054 RSI: 0000200000000100 RDI: 0000000000000004 [ 286.781123][ T32] RBP: 0000000000000000 R08: 0000000000000009 R09: 0000000000000009 [ 286.781133][ T32] R10: 0000000000000009 R11: 0000000000000246 R12: 0000000000000000 [ 286.781140][ T32] R13: 00007fb2efa4b1e0 R14: 00007ffcfd01da00 R15: 00007ffcfd01d9f0 [ 286.781159][ T32] [ 286.781164][ T32] [ 286.781164][ T32] Showing all locks held in the system: [ 286.781170][ T32] locks held by kworker/u8:1/13: 2, on CPU#0: [ 286.781179][ T32] #0: ffff88801b0ac140 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 [ 286.781214][ T32] #1: ffffc90000127c40 ((work_completion)(&(&kfence_timer)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 [ 286.781248][ T32] locks held by khungtaskd/32: 1, last CPU#1: [ 286.781257][ T32] #0: ffffffff8ed5c920 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 [ 286.781311][ T32] locks held by getty/5374: 2, on CPU#1: [ 286.781326][ T32] #0: ffff8880365230a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 286.781359][ T32] #1: ffffc9000322b2e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45a/0x1360 [ 286.781391][ T32] locks held by syz-executor242/5634: 2, on CPU#1: [ 286.781400][ T32] #0: ffffffff902c5ca8 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 286.781430][ T32] #1: ffffffff8f09f900 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.781462][ T32] locks held by syz-executor242/5636: 2, on CPU#0: [ 286.781470][ T32] #0: ffffffff902c5ca8 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 286.781505][ T32] #1: ffffffff8f09f900 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.781536][ T32] locks held by syz-executor242/5637: 2, on CPU#1: [ 286.781544][ T32] #0: ffffffff902c5ca8 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 286.781573][ T32] #1: ffffffff8f09f900 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.781603][ T32] locks held by syz-executor242/5640: 2, on CPU#0: [ 286.781611][ T32] #0: ffffffff902c5ca8 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 286.781639][ T32] #1: ffffffff8f09f900 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.781670][ T32] locks held by syz-executor242/5641: 2, on CPU#0: [ 286.781678][ T32] #0: ffffffff902c5ca8 (cb_lock){++++}-{4:4}, at: genl_rcv+0x19/0x40 [ 286.781706][ T32] #1: ffffffff8f09f900 (nfsd_mutex){+.+.}-{4:4}, at: nfsd_nl_listener_set_doit+0x53d/0x1ab0 [ 286.781736][ T32] [ 286.781740][ T32] ============================================= [ 286.781740][ T32] [ 286.781746][ T32] NMI backtrace for cpu 1 [ 286.781754][ T32] CPU: 1 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 286.781766][ T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 286.781773][ T32] Call Trace: [ 286.781778][ T32] [ 286.781783][ T32] dump_stack_lvl+0xe8/0x150 [ 286.781799][ T32] nmi_cpu_backtrace+0x274/0x2d0 [ 286.781811][ T32] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 286.781832][ T32] nmi_trigger_cpumask_backtrace+0x17d/0x390 [ 286.781846][ T32] sys_info+0x135/0x170 [ 286.781861][ T32] watchdog+0xfd7/0x1030 [ 286.781877][ T32] ? watchdog+0x1c7/0x1030 [ 286.781891][ T32] kthread+0x38b/0x480 [ 286.781903][ T32] ? __pfx_watchdog+0x10/0x10 [ 286.781913][ T32] ? __pfx_kthread+0x10/0x10 [ 286.781925][ T32] ret_from_fork+0x514/0xb70 [ 286.781938][ T32] ? __pfx_ret_from_fork+0x10/0x10 [ 286.781949][ T32] ? __switch_to+0xc89/0x1420 [ 286.781965][ T32] ? __pfx_kthread+0x10/0x10 [ 286.781977][ T32] ret_from_fork_asm+0x1a/0x30 [ 286.782002][ T32] [ 286.782007][ T32] Sending NMI from CPU 1 to CPUs 0: [ 286.782056][ C0] NMI backtrace for cpu 0 [ 286.782072][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full) [ 286.782091][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 286.782101][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x20 [ 286.782124][ C0] Code: 6c 87 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 51 22 00 fb f4 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 [ 286.782138][ C0] RSP: 0018:ffffffff8ea07ca0 EFLAGS: 00000246 [ 286.782154][ C0] RAX: 00000000000bd48d RBX: ffffffff819bbb9c RCX: 8000000000000001 [ 286.782167][ C0] RDX: 0000000000000001 RSI: ffffffff8e4170c6 RDI: ffffffff8c6dac80 [ 286.782180][ C0] RBP: ffffffff8ea07d78 R08: ffff8880b8633a1b R09: 1ffff110170c6743 [ 286.782192][ C0] R10: dffffc0000000000 R11: ffffed10170c6744 R12: 0000000000000000 [ 286.782204][ C0] R13: 1ffffffff1d51e00 R14: 1ffffffff1d40f9c R15: dffffc0000000000 [ 286.782217][ C0] FS: 0000000000000000(0000) GS:ffff888124cc5000(0000) knlGS:0000000000000000 [ 286.782232][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 286.782244][ C0] CR2: 000055f057b0a660 CR3: 000000000eb48000 CR4: 00000000003526f0 [ 286.782262][ C0] Call Trace: [ 286.782269][ C0] [ 286.782275][ C0] default_idle+0x9/0x20 [ 286.782299][ C0] default_idle_call+0x72/0xb0 [ 286.782323][ C0] do_idle+0x1cc/0x540 [ 286.782341][ C0] ? __pfx_do_idle+0x10/0x10 [ 286.782362][ C0] cpu_startup_entry+0x43/0x60 [ 286.782378][ C0] rest_init+0x378/0x3a0 [ 286.782403][ C0] ? __pfx_rest_init+0x10/0x10 [ 286.782431][ C0] ? __pfx_kernel_init+0x10/0x10 [ 286.782456][ C0] ? __pfx_acpi_hw_get_mode+0x10/0x10 [ 286.782483][ C0] ? acpi_ut_status_exit+0x120/0x1f0 [ 286.782503][ C0] ? acpi_ut_status_exit+0x120/0x1f0 [ 286.782525][ C0] ? acpi_enable_subsystem+0x286/0x3c0 [ 286.782560][ C0] start_kernel+0x392/0x3e0 [ 286.782580][ C0] x86_64_start_reservations+0x24/0x30 [ 286.782604][ C0] x86_64_start_kernel+0x137/0x1b0 [ 286.782626][ C0] common_startup_64+0x13e/0x157 [ 286.782654][ C0] [ 286.783029][ T32] Kernel panic - not syncing: hung_task: blocked tasks [ 288.761216][ T32] CPU: 1 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 288.770598][ T32] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 288.780666][ T32] Call Trace: [ 288.783964][ T32] [ 288.786989][ T32] vpanic+0x56d/0xa60 [ 288.790999][ T32] ? __pfx_vpanic+0x10/0x10 [ 288.795896][ T32] ? console_srcu_read_unlock+0x3a/0x60 [ 288.801542][ T32] panic+0xc5/0xd0 [ 288.805292][ T32] ? __pfx_panic+0x10/0x10 [ 288.809908][ T32] ? wq_watchdog_touch+0xf9/0x160 [ 288.815006][ T32] ? nmi_trigger_cpumask_backtrace+0x24d/0x390 [ 288.821260][ T32] watchdog+0x1030/0x1030 [ 288.825617][ T32] ? watchdog+0x1c7/0x1030 [ 288.830244][ T32] kthread+0x38b/0x480 [ 288.834644][ T32] ? __pfx_watchdog+0x10/0x10 [ 288.839616][ T32] ? __pfx_kthread+0x10/0x10 [ 288.844221][ T32] ret_from_fork+0x514/0xb70 [ 288.849000][ T32] ? __pfx_ret_from_fork+0x10/0x10 [ 288.854119][ T32] ? __switch_to+0xc89/0x1420 [ 288.858900][ T32] ? __pfx_kthread+0x10/0x10 [ 288.863616][ T32] ret_from_fork_asm+0x1a/0x30 [ 288.868420][ T32] [ 288.871584][ T32] Kernel Offset: disabled [ 288.876071][ T32] Rebooting in 86400 seconds..