./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2414993533 <...> Warning: Permanently added '10.128.1.130' (ED25519) to the list of known hosts. execve("./syz-executor2414993533", ["./syz-executor2414993533"], 0x7ffdb02c5090 /* 10 vars */) = 0 brk(NULL) = 0x55558ec2a000 brk(0x55558ec2ad00) = 0x55558ec2ad00 arch_prctl(ARCH_SET_FS, 0x55558ec2a380) = 0 set_tid_address(0x55558ec2a650) = 5859 set_robust_list(0x55558ec2a660, 24) = 0 rseq(0x55558ec2aca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2414993533", 4096) = 28 getrandom("\x10\xcd\x94\xa6\xc6\xaf\x1b\x5d", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558ec2ad00 brk(0x55558ec4bd00) = 0x55558ec4bd00 brk(0x55558ec4c000) = 0x55558ec4c000 mprotect(0x7f0907fd1000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5860 attached , child_tidptr=0x55558ec2a650) = 5860 [pid 5859] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5860] set_robust_list(0x55558ec2a660, 24) = 0 [pid 5860] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5861 attached [pid 5859] <... clone resumed>, child_tidptr=0x55558ec2a650) = 5861 [pid 5861] set_robust_list(0x55558ec2a660, 24 [pid 5859] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5861] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5862 attached [pid 5862] set_robust_list(0x55558ec2a660, 24./strace-static-x86_64: Process 5863 attached [pid 5861] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5860] <... clone resumed>, child_tidptr=0x55558ec2a650) = 5862 [pid 5859] <... clone resumed>, child_tidptr=0x55558ec2a650) = 5863 [pid 5862] <... set_robust_list resumed>) = 0 [pid 5863] set_robust_list(0x55558ec2a660, 24 [pid 5859] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5863] <... set_robust_list resumed>) = 0 [pid 5862] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 5865 attached ./strace-static-x86_64: Process 5864 attached [pid 5863] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5864] set_robust_list(0x55558ec2a660, 24 [pid 5862] <... prctl resumed>) = 0 [pid 5864] <... set_robust_list resumed>) = 0 [pid 5862] setpgid(0, 0 [pid 5861] <... clone resumed>, child_tidptr=0x55558ec2a650) = 5864 [pid 5862] <... setpgid resumed>) = 0 [pid 5865] set_robust_list(0x55558ec2a660, 24 [pid 5864] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5865] <... set_robust_list resumed>) = 0 [pid 5864] <... prctl resumed>) = 0 [pid 5859] <... clone resumed>, child_tidptr=0x55558ec2a650) = 5865 [pid 5865] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5864] setpgid(0, 0./strace-static-x86_64: Process 5866 attached [pid 5859] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5864] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5867 attached [pid 5866] set_robust_list(0x55558ec2a660, 24 [pid 5864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5863] <... clone resumed>, child_tidptr=0x55558ec2a650) = 5866 [pid 5862] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5868 attached [pid 5867] set_robust_list(0x55558ec2a660, 24 [pid 5866] <... set_robust_list resumed>) = 0 [pid 5865] <... clone resumed>, child_tidptr=0x55558ec2a650) = 5867 [pid 5864] <... openat resumed>) = 3 [pid 5862] write(3, "1000", 4 [pid 5859] <... clone resumed>, child_tidptr=0x55558ec2a650) = 5868 [pid 5868] set_robust_list(0x55558ec2a660, 24 [pid 5867] <... set_robust_list resumed>) = 0 [pid 5866] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5867] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5866] <... prctl resumed>) = 0 [pid 5868] <... set_robust_list resumed>) = 0 [pid 5864] write(3, "1000", 4 [pid 5862] <... write resumed>) = 4 [pid 5868] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5867] <... prctl resumed>) = 0 [pid 5866] setpgid(0, 0 [pid 5864] <... write resumed>) = 4 [pid 5862] close(3 [pid 5866] <... setpgid resumed>) = 0 [pid 5866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5867] setpgid(0, 0 [pid 5864] close(3 [pid 5862] <... close resumed>) = 0 [pid 5866] <... openat resumed>) = 3 ./strace-static-x86_64: Process 5869 attached [pid 5867] <... setpgid resumed>) = 0 [pid 5864] <... close resumed>) = 0 [pid 5862] write(1, "executing program\n", 18executing program [pid 5869] set_robust_list(0x55558ec2a660, 24 [pid 5868] <... clone resumed>, child_tidptr=0x55558ec2a650) = 5869 [pid 5867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5866] write(3, "1000", 4 [pid 5869] <... set_robust_list resumed>) = 0 executing program [pid 5864] write(1, "executing program\n", 18 [pid 5862] <... write resumed>) = 18 [pid 5869] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5866] <... write resumed>) = 4 [pid 5864] <... write resumed>) = 18 [pid 5862] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 5867] <... openat resumed>) = 3 [pid 5866] close(3 [pid 5862] <... socket resumed>) = 3 [pid 5869] <... prctl resumed>) = 0 [pid 5864] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 5867] write(3, "1000", 4) = 4 [pid 5869] setpgid(0, 0 [pid 5866] <... close resumed>) = 0 [pid 5864] <... socket resumed>) = 3 [pid 5862] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5869] <... setpgid resumed>) = 0 [pid 5867] close(3 [pid 5866] write(1, "executing program\n", 18executing program [pid 5864] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5862] <... socketpair resumed>[4, 5]) = 0 [pid 5869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5867] <... close resumed>) = 0 [pid 5866] <... write resumed>) = 18 [pid 5864] <... socketpair resumed>[4, 5]) = 0 [pid 5867] write(1, "executing program\n", 18 [pid 5866] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTEexecuting program [pid 5862] ioctl(5, SIOCGIFINDEX, {ifr_name="lo" [pid 5869] <... openat resumed>) = 3 [pid 5867] <... write resumed>) = 18 [pid 5862] <... ioctl resumed>, ifr_ifindex=1}) = 0 [pid 5869] write(3, "1000", 4 [pid 5867] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 5866] <... socket resumed>) = 3 [pid 5864] ioctl(5, SIOCGIFINDEX, {ifr_name="lo" [pid 5862] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5869] <... write resumed>) = 4 [pid 5867] <... socket resumed>) = 3 [pid 5866] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5862] <... socket resumed>) = 6 [pid 5869] close(3 [pid 5867] socketpair(AF_UNIX, SOCK_STREAM, 0, [pid 5864] <... ioctl resumed>, ifr_ifindex=1}) = 0 [pid 5869] <... close resumed>) = 0 executing program [pid 5867] <... socketpair resumed>[4, 5]) = 0 [pid 5862] sendmsg(6, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x24\x00\x09\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00", iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5869] write(1, "executing program\n", 18 [pid 5866] <... socketpair resumed>[4, 5]) = 0 [pid 5864] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5869] <... write resumed>) = 18 [pid 5864] <... socket resumed>) = 6 [pid 5869] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE [pid 5866] ioctl(5, SIOCGIFINDEX, {ifr_name="lo" [pid 5869] <... socket resumed>) = 3 [pid 5864] sendmsg(6, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x24\x00\x09\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00", iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5867] ioctl(5, SIOCGIFINDEX, {ifr_name="lo" [pid 5869] socketpair(AF_UNIX, SOCK_STREAM, 0, [4, 5]) = 0 [pid 5867] <... ioctl resumed>, ifr_ifindex=1}) = 0 [pid 5866] <... ioctl resumed>, ifr_ifindex=1}) = 0 [pid 5867] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 6 [pid 5867] sendmsg(6, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x24\x00\x09\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00", iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5866] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC [pid 5869] ioctl(5, SIOCGIFINDEX, {ifr_name="lo" [pid 5866] <... socket resumed>) = 6 [pid 5869] <... ioctl resumed>, ifr_ifindex=1}) = 0 [pid 5866] sendmsg(6, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x24\x00\x09\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00", iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5869] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 6 [pid 5869] sendmsg(6, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x24\x00\x09\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00", iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5862] <... sendmsg resumed>) = 20 [pid 5862] sendmsg(3, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x38\x00\x00\x00\x24\x00\x0f\x0d\x00\x00\x00\x00\x00\x00\x00\x00\x60\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\x0d\x00\x00\x00\x0a\x00\x01\x00\x70\x66\x69\x66\x6f\x00\x00\x00\x08\x00\x02\x00\x00\x00\x00\x00", iov_len=56}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, MSG_DONTWAIT|MSG_CONFIRM|MSG_NOSIGNAL|MSG_BATCH|MSG_FASTOPEN|0x10000000) = 56 [pid 5862] exit_group(0) = ? [pid 5862] +++ exited with 0 +++ [pid 5860] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5862, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5860] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5860] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5873 attached , child_tidptr=0x55558ec2a650) = 5873 [pid 5873] set_robust_list(0x55558ec2a660, 24) = 0 [pid 5873] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5873] setpgid(0, 0) = 0 [pid 5873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5873] write(3, "1000", 4) = 4 [pid 5873] close(3) = 0 [pid 5873] write(1, "executing program\n", 18executing program ) = 18 [pid 5873] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 [pid 5873] socketpair(AF_UNIX, SOCK_STREAM, 0, [4, 5]) = 0 [pid 5873] ioctl(5, SIOCGIFINDEX, {ifr_name="lo", ifr_ifindex=1}) = 0 [pid 5873] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 6 [pid 5873] sendmsg(6, {msg_name=NULL, msg_namelen=0, msg_iov=[{iov_base="\x14\x00\x00\x00\x24\x00\x09\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00", iov_len=20}], msg_iovlen=1, msg_controllen=0, msg_flags=0}, 0 [pid 5863] kill(-5866, SIGKILL [pid 5865] kill(-5867, SIGKILL [pid 5863] <... kill resumed>) = 0 [pid 5861] kill(-5864, SIGKILL [pid 5865] <... kill resumed>) = 0 [pid 5863] kill(5866, SIGKILL [pid 5861] <... kill resumed>) = 0 [pid 5865] kill(5867, SIGKILL [pid 5863] <... kill resumed>) = 0 [pid 5861] kill(5864, SIGKILL [pid 5865] <... kill resumed>) = 0 [pid 5861] <... kill resumed>) = 0 [pid 5868] kill(-5869, SIGKILL) = 0 [pid 5868] kill(5869, SIGKILL) = 0 [pid 5860] kill(-5873, SIGKILL) = 0 [pid 5860] kill(5873, SIGKILL) = 0 [pid 5868] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5868] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5868] getdents64(3, 0x55558ec2b6f0 /* 2 entries */, 32768) = 48 [pid 5868] getdents64(3, 0x55558ec2b6f0 /* 0 entries */, 32768) = 0 [pid 5868] close(3) = 0 [pid 5863] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5863] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5865] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5863] getdents64(3, [pid 5861] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5865] <... openat resumed>) = 3 [pid 5865] newfstatat(3, "", [pid 5863] <... getdents64 resumed>0x55558ec2b6f0 /* 2 entries */, 32768) = 48 [pid 5861] <... openat resumed>) = 3 [pid 5865] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5863] getdents64(3, [pid 5861] newfstatat(3, "", [pid 5865] getdents64(3, [pid 5863] <... getdents64 resumed>0x55558ec2b6f0 /* 0 entries */, 32768) = 0 [pid 5861] <... newfstatat resumed>{st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5863] close(3 [pid 5861] getdents64(3, [pid 5865] <... getdents64 resumed>0x55558ec2b6f0 /* 2 entries */, 32768) = 48 [pid 5863] <... close resumed>) = 0 [pid 5865] getdents64(3, 0x55558ec2b6f0 /* 0 entries */, 32768) = 0 [pid 5865] close(3) = 0 [pid 5861] <... getdents64 resumed>0x55558ec2b6f0 /* 2 entries */, 32768) = 48 [pid 5861] getdents64(3, 0x55558ec2b6f0 /* 0 entries */, 32768) = 0 [pid 5861] close(3) = 0 [pid 5860] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5860] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5860] getdents64(3, 0x55558ec2b6f0 /* 2 entries */, 32768) = 48 [pid 5860] getdents64(3, 0x55558ec2b6f0 /* 0 entries */, 32768) = 0 [pid 5860] close(3) = 0 [ 133.168733][ T1301] aoe: packet could not be sent on lo. consider increasing tx_queue_len [ 194.608478][ T1301] aoe: packet could not be sent on lo. consider increasing tx_queue_len [ 256.048375][ T1301] aoe: packet could not be sent on lo. consider increasing tx_queue_len [ 286.767759][ T30] INFO: task syz-executor241:5864 blocked for more than 143 seconds. [ 286.776001][ T30] Not tainted 6.12.0-rc6-syzkaller-00203-g5b366eae7193 #0 [ 286.783775][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 286.792583][ T30] task:syz-executor241 state:D stack:25680 pid:5864 tgid:5864 ppid:5861 flags:0x00004006 [ 286.802936][ T30] Call Trace: [ 286.806320][ T30] [ 286.809352][ T30] __schedule+0x184f/0x4c30 [ 286.813954][ T30] ? __pfx___schedule+0x10/0x10 [ 286.818882][ T30] ? __pfx_lock_release+0x10/0x10 [ 286.823962][ T30] ? __mutex_trylock_common+0x92/0x2e0 [ 286.829548][ T30] ? schedule+0x90/0x320 [ 286.833827][ T30] schedule+0x14b/0x320 [ 286.838066][ T30] schedule_preempt_disabled+0x13/0x30 [ 286.843578][ T30] __mutex_lock+0x6a7/0xd70 [ 286.848202][ T30] ? __mutex_lock+0x52a/0xd70 [ 286.852923][ T30] ? nfsd_nl_listener_set_doit+0x12d/0x1a90 [ 286.858902][ T30] ? __pfx___mutex_lock+0x10/0x10 [ 286.863970][ T30] ? __asan_memset+0x23/0x50 [ 286.868685][ T30] ? netlink_unicast+0x7f6/0x990 [ 286.873654][ T30] ? netlink_sendmsg+0x8e4/0xcb0 [ 286.878687][ T30] ? __sock_sendmsg+0x221/0x270 [ 286.883626][ T30] ? __sys_sendmsg+0x292/0x380 [ 286.888526][ T30] nfsd_nl_listener_set_doit+0x12d/0x1a90 [ 286.894294][ T30] ? __pfx___nla_validate_parse+0x10/0x10 [ 286.900137][ T30] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.906386][ T30] ? genl_family_rcv_msg_attrs_parse+0xa3/0x290 [ 286.912703][ T30] ? __nla_parse+0x40/0x60 [ 286.917245][ T30] ? genl_family_rcv_msg_attrs_parse+0x1d1/0x290 [ 286.923660][ T30] genl_rcv_msg+0xb14/0xec0 [ 286.928284][ T30] ? mark_lock+0x9a/0x360 [ 286.932658][ T30] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.937824][ T30] ? __pfx_lock_acquire+0x10/0x10 [ 286.942893][ T30] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 286.949209][ T30] ? __pfx___might_resched+0x10/0x10 [ 286.954563][ T30] netlink_rcv_skb+0x1e3/0x430 [ 286.959439][ T30] ? __pfx_genl_rcv_msg+0x10/0x10 [ 286.964509][ T30] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 286.969934][ T30] genl_rcv+0x28/0x40 [ 286.973957][ T30] netlink_unicast+0x7f6/0x990 [ 286.978806][ T30] ? __pfx_netlink_unicast+0x10/0x10 [ 286.984132][ T30] ? __virt_addr_valid+0x183/0x530 [ 286.989377][ T30] ? __check_object_size+0x48e/0x900 [ 286.994715][ T30] netlink_sendmsg+0x8e4/0xcb0 [ 286.999753][ T30] ? __pfx_netlink_sendmsg+0x10/0x10 [ 287.005125][ T30] ? aa_sock_msg_perm+0x91/0x160 [ 287.010239][ T30] ? __pfx_netlink_sendmsg+0x10/0x10 [ 287.015571][ T30] __sock_sendmsg+0x221/0x270 [ 287.020379][ T30] ____sys_sendmsg+0x52a/0x7e0 [ 287.025220][ T30] ? __pfx_____sys_sendmsg+0x10/0x10 [ 287.030703][ T30] ? do_raw_spin_lock+0x14f/0x370 [ 287.035794][ T30] __sys_sendmsg+0x292/0x380 [ 287.040516][ T30] ? __pfx___sys_sendmsg+0x10/0x10 [ 287.045713][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 287.052211][ T30] ? _raw_spin_unlock_irq+0x2e/0x50 [ 287.057492][ T30] ? ptrace_notify+0x279/0x380 [ 287.062327][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 287.068837][ T30] ? do_syscall_64+0x100/0x230 [ 287.073651][ T30] do_syscall_64+0xf3/0x230 [ 287.078254][ T30] ? clear_bhb_loop+0x35/0x90 [ 287.082977][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.089011][ T30] RIP: 0033:0x7f0907f5dd69 [ 287.093470][ T30] RSP: 002b:00007ffcb3e647a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 287.101969][ T30] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0907f5dd69 [ 287.110038][ T30] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000006 [ 287.118084][ T30] RBP: 0000000000000000 R08: 00000000000000a0 R09: 00000000000000a0 [ 287.126186][ T30] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 287.134369][ T30] R13: 0000000000000000 R14: 00007ffcb3e647d0 R15: 00007ffcb3e647c0 [ 287.142444][ T30] [ 287.145533][ T30] INFO: task syz-executor241:5866 blocked for more than 143 seconds. [ 287.153752][ T30] Not tainted 6.12.0-rc6-syzkaller-00203-g5b366eae7193 #0 [ 287.161513][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 287.170333][ T30] task:syz-executor241 state:D stack:25792 pid:5866 tgid:5866 ppid:5863 flags:0x00004006 [ 287.180632][ T30] Call Trace: [ 287.183988][ T30] [ 287.187063][ T30] __schedule+0x184f/0x4c30 [ 287.191653][ T30] ? __pfx___schedule+0x10/0x10 [ 287.196632][ T30] ? __pfx_lock_release+0x10/0x10 [ 287.201715][ T30] ? __mutex_trylock_common+0x92/0x2e0 [ 287.207299][ T30] ? schedule+0x90/0x320 [ 287.211577][ T30] schedule+0x14b/0x320 [ 287.215753][ T30] schedule_preempt_disabled+0x13/0x30 [ 287.221306][ T30] __mutex_lock+0x6a7/0xd70 [ 287.225856][ T30] ? __mutex_lock+0x52a/0xd70 [ 287.230704][ T30] ? nfsd_nl_listener_set_doit+0x12d/0x1a90 [ 287.236739][ T30] ? __pfx___mutex_lock+0x10/0x10 [ 287.241790][ T30] ? __asan_memset+0x23/0x50 [ 287.246483][ T30] ? netlink_unicast+0x7f6/0x990 [ 287.251453][ T30] ? netlink_sendmsg+0x8e4/0xcb0 [ 287.256473][ T30] ? __sock_sendmsg+0x221/0x270 [ 287.261369][ T30] ? __sys_sendmsg+0x292/0x380 [ 287.266258][ T30] nfsd_nl_listener_set_doit+0x12d/0x1a90 [ 287.272058][ T30] ? __pfx___nla_validate_parse+0x10/0x10 [ 287.277900][ T30] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 287.284099][ T30] ? genl_family_rcv_msg_attrs_parse+0xa3/0x290 [ 287.290519][ T30] ? __nla_parse+0x40/0x60 [ 287.294979][ T30] ? genl_family_rcv_msg_attrs_parse+0x1d1/0x290 [ 287.301408][ T30] genl_rcv_msg+0xb14/0xec0 [ 287.305958][ T30] ? mark_lock+0x9a/0x360 [ 287.310452][ T30] ? __pfx_genl_rcv_msg+0x10/0x10 [ 287.315556][ T30] ? __pfx_lock_acquire+0x10/0x10 [ 287.320709][ T30] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 287.327150][ T30] ? __pfx___might_resched+0x10/0x10 [ 287.332495][ T30] netlink_rcv_skb+0x1e3/0x430 [ 287.337489][ T30] ? __pfx_genl_rcv_msg+0x10/0x10 [ 287.342672][ T30] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 287.348111][ T30] genl_rcv+0x28/0x40 [ 287.352139][ T30] netlink_unicast+0x7f6/0x990 [ 287.356992][ T30] ? __pfx_netlink_unicast+0x10/0x10 [ 287.362313][ T30] ? __virt_addr_valid+0x183/0x530 [ 287.367566][ T30] ? __check_object_size+0x48e/0x900 [ 287.372897][ T30] netlink_sendmsg+0x8e4/0xcb0 [ 287.377849][ T30] ? __pfx_netlink_sendmsg+0x10/0x10 [ 287.383186][ T30] ? aa_sock_msg_perm+0x91/0x160 [ 287.388252][ T30] ? __pfx_netlink_sendmsg+0x10/0x10 [ 287.393577][ T30] __sock_sendmsg+0x221/0x270 [ 287.398351][ T30] ____sys_sendmsg+0x52a/0x7e0 [ 287.403168][ T30] ? __pfx_____sys_sendmsg+0x10/0x10 [ 287.408566][ T30] ? do_raw_spin_lock+0x14f/0x370 [ 287.413641][ T30] __sys_sendmsg+0x292/0x380 [ 287.418311][ T30] ? __pfx___sys_sendmsg+0x10/0x10 [ 287.423471][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 287.429925][ T30] ? _raw_spin_unlock_irq+0x2e/0x50 [ 287.435156][ T30] ? ptrace_notify+0x279/0x380 [ 287.440052][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 287.446497][ T30] ? do_syscall_64+0x100/0x230 [ 287.451324][ T30] do_syscall_64+0xf3/0x230 [ 287.455962][ T30] ? clear_bhb_loop+0x35/0x90 [ 287.460792][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.466839][ T30] RIP: 0033:0x7f0907f5dd69 [ 287.471274][ T30] RSP: 002b:00007ffcb3e647a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 287.479979][ T30] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0907f5dd69 [ 287.488069][ T30] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000006 [ 287.496160][ T30] RBP: 0000000000000000 R08: 00000000000000a0 R09: 00000000000000a0 [ 287.504186][ T30] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 287.512290][ T30] R13: 0000000000000000 R14: 00007ffcb3e647d0 R15: 00007ffcb3e647c0 [ 287.520388][ T30] [ 287.523487][ T30] INFO: task syz-executor241:5869 blocked for more than 144 seconds. [ 287.531713][ T30] Not tainted 6.12.0-rc6-syzkaller-00203-g5b366eae7193 #0 [ 287.539428][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 287.548214][ T30] task:syz-executor241 state:D stack:26528 pid:5869 tgid:5869 ppid:5868 flags:0x00004006 [ 287.558488][ T30] Call Trace: [ 287.561799][ T30] [ 287.564740][ T30] __schedule+0x184f/0x4c30 [ 287.569413][ T30] ? __pfx___schedule+0x10/0x10 [ 287.574317][ T30] ? __pfx_lock_release+0x10/0x10 [ 287.579437][ T30] ? __mutex_trylock_common+0x92/0x2e0 [ 287.584962][ T30] ? schedule+0x90/0x320 [ 287.589320][ T30] schedule+0x14b/0x320 [ 287.593515][ T30] schedule_preempt_disabled+0x13/0x30 [ 287.599059][ T30] __mutex_lock+0x6a7/0xd70 [ 287.603604][ T30] ? __mutex_lock+0x52a/0xd70 [ 287.608389][ T30] ? nfsd_nl_listener_set_doit+0x12d/0x1a90 [ 287.614331][ T30] ? __pfx___mutex_lock+0x10/0x10 [ 287.619433][ T30] ? __asan_memset+0x23/0x50 [ 287.624072][ T30] ? netlink_unicast+0x7f6/0x990 [ 287.629114][ T30] ? netlink_sendmsg+0x8e4/0xcb0 [ 287.634102][ T30] ? __sock_sendmsg+0x221/0x270 [ 287.639034][ T30] ? __sys_sendmsg+0x292/0x380 [ 287.643855][ T30] nfsd_nl_listener_set_doit+0x12d/0x1a90 [ 287.649737][ T30] ? __pfx___nla_validate_parse+0x10/0x10 [ 287.655520][ T30] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 287.661765][ T30] ? genl_family_rcv_msg_attrs_parse+0xa3/0x290 [ 287.668122][ T30] ? __nla_parse+0x40/0x60 [ 287.672573][ T30] ? genl_family_rcv_msg_attrs_parse+0x1d1/0x290 [ 287.679014][ T30] genl_rcv_msg+0xb14/0xec0 [ 287.683577][ T30] ? mark_lock+0x9a/0x360 [ 287.688002][ T30] ? __pfx_genl_rcv_msg+0x10/0x10 [ 287.693087][ T30] ? __pfx_lock_acquire+0x10/0x10 [ 287.698220][ T30] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 287.704436][ T30] ? __pfx___might_resched+0x10/0x10 [ 287.709878][ T30] netlink_rcv_skb+0x1e3/0x430 [ 287.714694][ T30] ? __pfx_genl_rcv_msg+0x10/0x10 [ 287.719816][ T30] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 287.725165][ T30] genl_rcv+0x28/0x40 [ 287.729685][ T30] netlink_unicast+0x7f6/0x990 [ 287.734510][ T30] ? __pfx_netlink_unicast+0x10/0x10 [ 287.739920][ T30] ? __virt_addr_valid+0x183/0x530 [ 287.745093][ T30] ? __check_object_size+0x48e/0x900 [ 287.750501][ T30] netlink_sendmsg+0x8e4/0xcb0 [ 287.755313][ T30] ? __pfx_netlink_sendmsg+0x10/0x10 [ 287.760793][ T30] ? aa_sock_msg_perm+0x91/0x160 [ 287.765778][ T30] ? __pfx_netlink_sendmsg+0x10/0x10 [ 287.771179][ T30] __sock_sendmsg+0x221/0x270 [ 287.775911][ T30] ____sys_sendmsg+0x52a/0x7e0 [ 287.780805][ T30] ? __pfx_____sys_sendmsg+0x10/0x10 [ 287.786206][ T30] ? do_raw_spin_lock+0x14f/0x370 [ 287.791255][ T30] __sys_sendmsg+0x292/0x380 [ 287.795859][ T30] ? __pfx___sys_sendmsg+0x10/0x10 [ 287.801076][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 287.807516][ T30] ? _raw_spin_unlock_irq+0x2e/0x50 [ 287.812736][ T30] ? ptrace_notify+0x279/0x380 [ 287.817599][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 287.824075][ T30] ? do_syscall_64+0x100/0x230 [ 287.828974][ T30] do_syscall_64+0xf3/0x230 [ 287.833524][ T30] ? clear_bhb_loop+0x35/0x90 [ 287.838286][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 287.844226][ T30] RIP: 0033:0x7f0907f5dd69 [ 287.848779][ T30] RSP: 002b:00007ffcb3e647a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 287.857352][ T30] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0907f5dd69 [ 287.865335][ T30] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000006 [ 287.873408][ T30] RBP: 0000000000000000 R08: 00000000000000a0 R09: 00000000000000a0 [ 287.881535][ T30] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 287.889713][ T30] R13: 0000000000000000 R14: 00007ffcb3e647d0 R15: 00007ffcb3e647c0 [ 287.897777][ T30] [ 287.900823][ T30] INFO: task syz-executor241:5873 blocked for more than 144 seconds. [ 287.908995][ T30] Not tainted 6.12.0-rc6-syzkaller-00203-g5b366eae7193 #0 [ 287.916686][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 287.925383][ T30] task:syz-executor241 state:D stack:25760 pid:5873 tgid:5873 ppid:5860 flags:0x00004006 [ 287.935823][ T30] Call Trace: [ 287.939166][ T30] [ 287.942144][ T30] __schedule+0x184f/0x4c30 [ 287.946767][ T30] ? __pfx___schedule+0x10/0x10 [ 287.951686][ T30] ? __pfx_lock_release+0x10/0x10 [ 287.957087][ T30] ? __mutex_trylock_common+0x92/0x2e0 [ 287.962692][ T30] ? schedule+0x90/0x320 [ 287.967050][ T30] schedule+0x14b/0x320 [ 287.971273][ T30] schedule_preempt_disabled+0x13/0x30 [ 287.977180][ T30] __mutex_lock+0x6a7/0xd70 [ 287.981734][ T30] ? __mutex_lock+0x52a/0xd70 [ 287.986551][ T30] ? nfsd_nl_listener_set_doit+0x12d/0x1a90 [ 287.992519][ T30] ? __pfx___mutex_lock+0x10/0x10 [ 287.997654][ T30] ? __asan_memset+0x23/0x50 [ 288.002307][ T30] ? netlink_unicast+0x7f6/0x990 [ 288.007361][ T30] ? netlink_sendmsg+0x8e4/0xcb0 [ 288.012344][ T30] ? __sock_sendmsg+0x221/0x270 [ 288.017384][ T30] ? __sys_sendmsg+0x292/0x380 [ 288.022196][ T30] nfsd_nl_listener_set_doit+0x12d/0x1a90 [ 288.028127][ T30] ? __pfx___nla_validate_parse+0x10/0x10 [ 288.033918][ T30] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 288.040168][ T30] ? genl_family_rcv_msg_attrs_parse+0xa3/0x290 [ 288.046579][ T30] ? __nla_parse+0x40/0x60 [ 288.051042][ T30] ? genl_family_rcv_msg_attrs_parse+0x1d1/0x290 [ 288.057460][ T30] genl_rcv_msg+0xb14/0xec0 [ 288.062013][ T30] ? mark_lock+0x9a/0x360 [ 288.066449][ T30] ? __pfx_genl_rcv_msg+0x10/0x10 [ 288.071546][ T30] ? __pfx_lock_acquire+0x10/0x10 [ 288.076659][ T30] ? __pfx_nfsd_nl_listener_set_doit+0x10/0x10 [ 288.082943][ T30] ? __pfx___might_resched+0x10/0x10 [ 288.088382][ T30] netlink_rcv_skb+0x1e3/0x430 [ 288.093199][ T30] ? __pfx_genl_rcv_msg+0x10/0x10 [ 288.098323][ T30] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 288.103693][ T30] genl_rcv+0x28/0x40 [ 288.107813][ T30] netlink_unicast+0x7f6/0x990 [ 288.112619][ T30] ? __pfx_netlink_unicast+0x10/0x10 [ 288.117983][ T30] ? __virt_addr_valid+0x183/0x530 [ 288.123156][ T30] ? __check_object_size+0x48e/0x900 [ 288.128549][ T30] netlink_sendmsg+0x8e4/0xcb0 [ 288.133367][ T30] ? __pfx_netlink_sendmsg+0x10/0x10 [ 288.138816][ T30] ? aa_sock_msg_perm+0x91/0x160 [ 288.143812][ T30] ? __pfx_netlink_sendmsg+0x10/0x10 [ 288.149234][ T30] __sock_sendmsg+0x221/0x270 [ 288.153973][ T30] ____sys_sendmsg+0x52a/0x7e0 [ 288.158824][ T30] ? __pfx_____sys_sendmsg+0x10/0x10 [ 288.164250][ T30] ? do_raw_spin_lock+0x14f/0x370 [ 288.169490][ T30] __sys_sendmsg+0x292/0x380 [ 288.174121][ T30] ? __pfx___sys_sendmsg+0x10/0x10 [ 288.179314][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 288.185693][ T30] ? _raw_spin_unlock_irq+0x2e/0x50 [ 288.191055][ T30] ? ptrace_notify+0x279/0x380 [ 288.195897][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 288.202590][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 288.209039][ T30] ? __irq_exit_rcu+0x100/0x1c0 [ 288.214114][ T30] do_syscall_64+0xf3/0x230 [ 288.218747][ T30] ? clear_bhb_loop+0x35/0x90 [ 288.223501][ T30] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 288.229556][ T30] RIP: 0033:0x7f0907f5dd69 [ 288.234040][ T30] RSP: 002b:00007ffcb3e647a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 288.242536][ T30] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0907f5dd69 [ 288.250639][ T30] RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000006 [ 288.258816][ T30] RBP: 0000000000000000 R08: 00000000000000a0 R09: 00000000000000a0 [ 288.266971][ T30] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 288.274992][ T30] R13: 0000000000000000 R14: 00007ffcb3e647d0 R15: 00007ffcb3e647c0 [ 288.283056][ T30] [ 288.286194][ T30] [ 288.286194][ T30] Showing all locks held in the system: [ 288.293931][ T30] 1 lock held by khungtaskd/30: [ 288.298941][ T30] #0: ffffffff8e937da0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 [ 288.309020][ T30] 2 locks held by getty/5604: [ 288.313757][ T30] #0: ffff8880310d30a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 288.323658][ T30] #1: ffffc900032232f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6a6/0x1e00 [ 288.333910][ T30] 2 locks held by syz-executor241/5864: [ 288.339604][ T30] #0: ffffffff8fd39690 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 [ 288.347968][ T30] #1: ffffffff8ec19268 (nfsd_mutex){+.+.}-{3:3}, at: nfsd_nl_listener_set_doit+0x12d/0x1a90 [ 288.358337][ T30] 2 locks held by syz-executor241/5866: [ 288.363947][ T30] #0: ffffffff8fd39690 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 [ 288.372437][ T30] #1: ffffffff8ec19268 (nfsd_mutex){+.+.}-{3:3}, at: nfsd_nl_listener_set_doit+0x12d/0x1a90 [ 288.382865][ T30] 2 locks held by syz-executor241/5867: [ 288.388537][ T30] #0: ffffffff8fd39690 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 [ 288.396830][ T30] #1: ffffffff8ec19268 (nfsd_mutex){+.+.}-{3:3}, at: nfsd_nl_listener_set_doit+0x12d/0x1a90 [ 288.407156][ T30] 2 locks held by syz-executor241/5869: [ 288.412744][ T30] #0: ffffffff8fd39690 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 [ 288.421030][ T30] #1: ffffffff8ec19268 (nfsd_mutex){+.+.}-{3:3}, at: nfsd_nl_listener_set_doit+0x12d/0x1a90 [ 288.431370][ T30] 2 locks held by syz-executor241/5873: [ 288.436982][ T30] #0: ffffffff8fd39690 (cb_lock){++++}-{3:3}, at: genl_rcv+0x19/0x40 [ 288.445370][ T30] #1: ffffffff8ec19268 (nfsd_mutex){+.+.}-{3:3}, at: nfsd_nl_listener_set_doit+0x12d/0x1a90 [ 288.455787][ T30] [ 288.458180][ T30] ============================================= [ 288.458180][ T30] [ 288.466716][ T30] NMI backtrace for cpu 1 [ 288.471113][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.12.0-rc6-syzkaller-00203-g5b366eae7193 #0 [ 288.481737][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 [ 288.491903][ T30] Call Trace: [ 288.495194][ T30] [ 288.498140][ T30] dump_stack_lvl+0x241/0x360 [ 288.502843][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 288.508084][ T30] ? __pfx__printk+0x10/0x10 [ 288.512739][ T30] nmi_cpu_backtrace+0x49c/0x4d0 [ 288.517723][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 288.523215][ T30] ? _printk+0xd5/0x120 [ 288.527391][ T30] ? __pfx__printk+0x10/0x10 [ 288.532007][ T30] ? __wake_up_klogd+0xcc/0x110 [ 288.536892][ T30] ? __pfx__printk+0x10/0x10 [ 288.541500][ T30] ? __rcu_read_unlock+0xa1/0x110 [ 288.546548][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 288.552553][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320 [ 288.558585][ T30] watchdog+0xff4/0x1040 [ 288.562856][ T30] ? watchdog+0x1ea/0x1040 [ 288.567328][ T30] ? __pfx_watchdog+0x10/0x10 [ 288.572027][ T30] kthread+0x2f0/0x390 [ 288.576114][ T30] ? __pfx_watchdog+0x10/0x10 [ 288.580831][ T30] ? __pfx_kthread+0x10/0x10 [ 288.585448][ T30] ret_from_fork+0x4b/0x80 [ 288.590070][ T30] ? __pfx_kthread+0x10/0x10 [ 288.594681][ T30] ret_from_fork_asm+0x1a/0x30 [ 288.599508][ T30] [ 288.602679][ T30] Sending NMI from CPU 1 to CPUs 0: [ 288.608014][ C0] NMI backtrace for cpu 0 [ 288.608029][ C0] CPU: 0 UID: 0 PID: 5203 Comm: klogd Not tainted 6.12.0-rc6-syzkaller-00203-g5b366eae7193 #0 [ 288.608050][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 [ 288.608061][ C0] RIP: 0010:__asan_memset+0x23/0x50 [ 288.608094][ C0] Code: 90 90 90 90 90 90 90 f3 0f 1e fa 55 41 56 53 48 89 d3 41 89 f6 48 89 fd 48 8b 4c 24 18 48 89 d6 ba 01 00 00 00 e8 fd e5 ff ff <84> c0 74 12 48 89 ef 44 89 f6 48 89 da 5b 41 5e 5d e9 a7 dc c8 09 [ 288.608116][ C0] RSP: 0018:ffffc90002fdf650 EFLAGS: 00000056 [ 288.608132][ C0] RAX: 1ffff1100f5ea301 RBX: 0000000000000010 RCX: ffffffff816867f7 [ 288.608146][ C0] RDX: 0000000000000001 RSI: 0000000000000010 RDI: ffff88807af51e98 [ 288.608157][ C0] RBP: ffff88807af51e98 R08: ffff88807af51ea7 R09: 1ffff1100f5ea3d4 [ 288.608171][ C0] R10: dffffc0000000000 R11: ffffed100f5ea3d5 R12: 1ffff110039da014 [ 288.608184][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88801ced0090 [ 288.608196][ C0] FS: 00007fe6fa175380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 288.608212][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 288.608224][ C0] CR2: 0000561925876680 CR3: 0000000033ba4000 CR4: 00000000003526f0 [ 288.608243][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 288.608254][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 288.608265][ C0] Call Trace: [ 288.608271][ C0] [ 288.608278][ C0] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 288.608306][ C0] ? __pfx_lock_acquire+0x10/0x10 [ 288.608335][ C0] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 288.608360][ C0] ? nmi_handle+0x2a/0x5a0 [ 288.608386][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 288.608410][ C0] ? nmi_handle+0x14f/0x5a0 [ 288.608428][ C0] ? nmi_handle+0x2a/0x5a0 [ 288.608446][ C0] ? __asan_memset+0x23/0x50 [ 288.608472][ C0] ? default_do_nmi+0x63/0x160 [ 288.608499][ C0] ? exc_nmi+0x123/0x1f0 [ 288.608535][ C0] ? end_repeat_nmi+0xf/0x53 [ 288.608560][ C0] ? __enqueue_entity+0x297/0x600 [ 288.608580][ C0] ? __asan_memset+0x23/0x50 [ 288.608607][ C0] ? __asan_memset+0x23/0x50 [ 288.608634][ C0] ? __asan_memset+0x23/0x50 [ 288.608661][ C0] [ 288.608667][ C0] [ 288.608674][ C0] __enqueue_entity+0x297/0x600 [ 288.608697][ C0] enqueue_entity+0x7f6/0x1920 [ 288.608724][ C0] enqueue_task_fair+0x24d/0xea0 [ 288.608752][ C0] ? update_irq_load_avg+0x93d/0xf70 [ 288.608782][ C0] enqueue_task+0x7a/0x340 [ 288.608808][ C0] ttwu_do_activate+0x1d1/0x760 [ 288.608838][ C0] try_to_wake_up+0x8d6/0x14b0 [ 288.608859][ C0] ? __pfx_try_to_wake_up+0x10/0x10 [ 288.608879][ C0] ? _raw_spin_lock_irqsave+0xe1/0x120 [ 288.608897][ C0] ? __pfx__raw_spin_lock_irqsave+0x10/0x10 [ 288.608919][ C0] autoremove_wake_function+0x16/0x110 [ 288.608946][ C0] __wake_up_common_lock+0x130/0x1e0 [ 288.608976][ C0] sock_def_readable+0x20f/0x5b0 [ 288.609003][ C0] ? sock_def_readable+0xd7/0x5b0 [ 288.609031][ C0] unix_dgram_sendmsg+0x1493/0x1f80 [ 288.609063][ C0] ? __pfx_unix_dgram_sendmsg+0x10/0x10 [ 288.609087][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 288.609112][ C0] ? __pfx_unix_dgram_sendmsg+0x10/0x10 [ 288.609131][ C0] __sock_sendmsg+0x221/0x270 [ 288.609160][ C0] __sys_sendto+0x39b/0x4f0 [ 288.609183][ C0] ? __pfx___sys_sendto+0x10/0x10 [ 288.609215][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 288.609242][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 288.609271][ C0] __x64_sys_sendto+0xde/0x100 [ 288.609293][ C0] do_syscall_64+0xf3/0x230 [ 288.609315][ C0] ? clear_bhb_loop+0x35/0x90 [ 288.609337][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 288.609357][ C0] RIP: 0033:0x7fe6fa2d79b5 [ 288.609371][ C0] Code: 8b 44 24 08 48 83 c4 28 48 98 c3 48 98 c3 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 26 45 31 c9 45 31 c0 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 7a 48 8b 15 44 c4 0c 00 f7 d8 64 89 02 48 83 [ 288.609385][ C0] RSP: 002b:00007ffcc9aa19c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 288.609403][ C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe6fa2d79b5 [ 288.609415][ C0] RDX: 000000000000008b RSI: 000056306a8649d0 RDI: 0000000000000003 [ 288.609426][ C0] RBP: 000056306a860910 R08: 0000000000000000 R09: 0000000000000000 [ 288.609437][ C0] R10: 0000000000004000 R11: 0000000000000246 R12: 0000000000000013 [ 288.609448][ C0] R13: 00007fe6fa465212 R14: 00007ffcc9aa1ac8 R15: 0000000000000000 [ 288.609467][ C0] [ 288.609476][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.462 msecs [ 288.610012][ T30] Kernel panic - not syncing: hung_task: blocked tasks [ 289.059183][ T30] CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.12.0-rc6-syzkaller-00203-g5b366eae7193 #0 [ 289.069728][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 [ 289.079867][ T30] Call Trace: [ 289.083173][ T30] [ 289.086148][ T30] dump_stack_lvl+0x241/0x360 [ 289.090853][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 289.096080][ T30] ? __pfx__printk+0x10/0x10 [ 289.100899][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 289.106951][ T30] ? vscnprintf+0x5d/0x90 [ 289.111304][ T30] panic+0x349/0x880 [ 289.115216][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 289.121483][ T30] ? __pfx_panic+0x10/0x10 [ 289.125952][ T30] ? tick_nohz_tick_stopped+0x82/0xb0 [ 289.131450][ T30] ? __irq_work_queue_local+0x137/0x410 [ 289.137108][ T30] ? irq_work_queue+0xca/0x150 [ 289.141891][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 289.147894][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 289.153894][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 289.159894][ T30] ? nmi_trigger_cpumask_backtrace+0x251/0x320 [ 289.166078][ T30] watchdog+0x1033/0x1040 [ 289.170446][ T30] ? watchdog+0x1ea/0x1040 [ 289.174882][ T30] ? __pfx_watchdog+0x10/0x10 [ 289.179580][ T30] kthread+0x2f0/0x390 [ 289.183665][ T30] ? __pfx_watchdog+0x10/0x10 [ 289.188360][ T30] ? __pfx_kthread+0x10/0x10 [ 289.192966][ T30] ret_from_fork+0x4b/0x80 [ 289.197406][ T30] ? __pfx_kthread+0x10/0x10 [ 289.202040][ T30] ret_from_fork_asm+0x1a/0x30 [ 289.206839][ T30] [ 289.210274][ T30] Kernel Offset: disabled [ 289.214656][ T30] Rebooting in 86400 seconds..