./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2550734799 <...> Warning: Permanently added '10.128.1.159' (ED25519) to the list of known hosts. [ 91.939220][ T977] cfg80211: failed to load regulatory.db execve("./syz-executor2550734799", ["./syz-executor2550734799"], 0x7ffe021ae560 /* 10 vars */) = 0 brk(NULL) = 0x555588ff3000 brk(0x555588ff3d00) = 0x555588ff3d00 arch_prctl(ARCH_SET_FS, 0x555588ff3380) = 0 set_tid_address(0x555588ff3650) = 5821 set_robust_list(0x555588ff3660, 24) = 0 rseq(0x555588ff3ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2550734799", 4096) = 28 getrandom("\x14\x40\x07\xce\x31\x87\xe8\xff", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555588ff3d00 brk(0x555589014d00) = 0x555589014d00 brk(0x555589015000) = 0x555589015000 mprotect(0x7f0d340e8000, 16384, 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 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555588ff3650) = 5822 ./strace-static-x86_64: Process 5822 attached [pid 5821] openat(AT_FDCWD, "/sys/kernel/debug/x86/nmi_longest_ns", O_WRONLY|O_CLOEXEC) = 3 [pid 5822] set_robust_list(0x555588ff3660, 24 [pid 5821] write(3, "10000000000", 11 [pid 5822] <... set_robust_list resumed>) = 0 [pid 5821] <... write resumed>) = 11 [pid 5821] close(3) = 0 [pid 5821] openat(AT_FDCWD, "/proc/sys/kernel/hung_task_check_interval_secs", O_WRONLY|O_CLOEXEC) = 3 [pid 5821] write(3, "20", 2) = 2 [pid 5821] close(3) = 0 [pid 5821] openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_kallsyms", O_WRONLY|O_CLOEXEC) = 3 [pid 5821] write(3, "1", 1) = 1 [pid 5821] close(3) = 0 [pid 5821] openat(AT_FDCWD, "/proc/sys/net/core/bpf_jit_harden", O_WRONLY|O_CLOEXEC) = 3 [pid 5821] write(3, "0", 1) = 1 [pid 5821] close(3) = 0 [pid 5821] openat(AT_FDCWD, "/proc/sys/kernel/kptr_restrict", O_WRONLY|O_CLOEXEC) = 3 [pid 5821] write(3, "0", 1) = 1 [pid 5821] close(3) = 0 [pid 5821] openat(AT_FDCWD, "/proc/sys/kernel/softlockup_all_cpu_backtrace", O_WRONLY|O_CLOEXEC) = 3 [pid 5821] write(3, "1", 1) = 1 [pid 5821] close(3) = 0 [pid 5821] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 [pid 5821] write(3, "100", 3) = 3 [pid 5821] close(3) = 0 [pid 5821] openat(AT_FDCWD, "/proc/sys/vm/oom_dump_tasks", O_WRONLY|O_CLOEXEC) = 3 [pid 5821] write(3, "0", 1) = 1 [pid 5821] close(3) = 0 [pid 5821] openat(AT_FDCWD, "/proc/sys/debug/exception-trace", O_WRONLY|O_CLOEXEC) = 3 [pid 5821] write(3, "0", 1) = 1 [pid 5821] close(3) = 0 [pid 5821] openat(AT_FDCWD, "/proc/sys/kernel/printk", O_WRONLY|O_CLOEXEC) = 3 [pid 5821] write(3, "7 4 1 3", 7) = 7 [pid 5821] close(3) = 0 [pid 5821] openat(AT_FDCWD, "/proc/sys/kernel/keys/gc_delay", O_WRONLY|O_CLOEXEC) = 3 [pid 5821] write(3, "1", 1) = 1 [pid 5821] close(3) = 0 [pid 5821] openat(AT_FDCWD, "/proc/sys/vm/oom_kill_allocating_task", O_WRONLY|O_CLOEXEC) = 3 [pid 5821] write(3, "1", 1) = 1 [pid 5821] close(3) = 0 [pid 5821] openat(AT_FDCWD, "/proc/sys/kernel/ctrl-alt-del", O_WRONLY|O_CLOEXEC) = 3 [pid 5821] write(3, "0", 1) = 1 [pid 5821] close(3) = 0 [pid 5821] openat(AT_FDCWD, "/proc/sys/kernel/cad_pid", O_WRONLY|O_CLOEXEC) = 3 [pid 5821] write(3, "5822", 4) = 4 [pid 5821] close(3) = 0 [pid 5821] kill(5822, SIGKILL) = 0 [pid 5822] +++ killed by SIGKILL +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5822, si_uid=0, si_status=SIGKILL, si_utime=0, si_stime=0} --- socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3 socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 4 sendto(4, [{nlmsg_len=36, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x03\x00\x00\x00\x0d\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x35\x34\x00\x00\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=864, nlmsg_type=nlctrl, nlmsg_flags=0, nlmsg_seq=0, nlmsg_pid=5821}, "\x01\x02\x00\x00\x0d\x00\x02\x00\x6e\x6c\x38\x30\x32\x31\x35\x34\x00\x00\x00\x00\x06\x00\x01\x00\x1d\x00\x00\x00\x08\x00\x03\x00\x01\x00\x00\x00\x08\x00\x04\x00\x00\x00\x00\x00\x08\x00\x05\x00\x30\x00\x00\x00\xe8\x02\x06\x00\x14\x00\x01\x00\x08\x00\x01\x00\x01\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x02\x00\x08\x00\x01\x00\x05\x00\x00\x00\x08\x00\x02\x00\x0e\x00\x00\x00\x14\x00\x03\x00"...], 4096, 0, NULL, NULL) = 864 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5821}, {error=0, msg={nlmsg_len=36, nlmsg_type=nlctrl, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan0", ifr_ifindex=11}) = 0 close(5) = 0 sendto(4, [{nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x0b\x00\x00\x00\x08\x00\x03\x00\x0b\x00\x00\x00\x06\x00\x0a\x00\xa0\xaa\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5821}, {error=0, msg={nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan0", ifr_ifindex=11}) = 0 close(5) = 0 sendto(3, [{nlmsg_len=44, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x00\x0b\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x0c\x00\x01\x00\x02\x00\xaa\xaa\xaa\xaa\xaa\xaa"], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 44 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5821}, {error=0, msg={nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 sendto(3, [{nlmsg_len=68, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|NLM_F_EXCL|NLM_F_CREATE, nlmsg_seq=0, nlmsg_pid=0}, {ifi_family=AF_UNSPEC, ifi_type=ARPHRD_NETROM, ifi_index=0, ifi_flags=0, ifi_change=0}, [[{nla_len=11, nla_type=IFLA_IFNAME}, "lowpan0"...], [{nla_len=16, nla_type=IFLA_LINKINFO}, [{nla_len=10, nla_type=IFLA_INFO_KIND}, "lowpan"...]], [{nla_len=8, nla_type=IFLA_LINK}, 11]]], 68, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 68 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5821}, {error=0, msg={nlmsg_len=68, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|NLM_F_EXCL|NLM_F_CREATE, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan1", ifr_ifindex=12}) = 0 close(5) = 0 sendto(4, [{nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x0b\x00\x00\x00\x08\x00\x03\x00\x0c\x00\x00\x00\x06\x00\x0a\x00\xa1\xaa\x00\x00"], 36, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 36 recvfrom(4, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5821}, {error=0, msg={nlmsg_len=36, nlmsg_type=nl802154, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 5 ioctl(5, SIOCGIFINDEX, {ifr_name="wpan1", ifr_ifindex=12}) = 0 close(5) = 0 sendto(3, [{nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, {ifi_family=AF_UNSPEC, ifi_type=ARPHRD_NETROM, ifi_index=if_nametoindex("wpan1"), ifi_flags=IFF_UP, ifi_change=0x1}, [{nla_len=12, nla_type=IFLA_ADDRESS}, 02:01:aa:aa:aa:aa:aa]], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 44 recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=5821}, {error=0, msg={nlmsg_len=44, nlmsg_type=RTM_NEWLINK, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36 close(3) = 0 close(4) = 0 mkdir("./syzkaller.GHF1jn", 0700) = 0 chmod("./syzkaller.GHF1jn", 0777) = 0 chdir("./syzkaller.GHF1jn") = 0 mkdir("./0", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5824 attached [pid 5824] set_robust_list(0x555588ff3660, 24) = 0 [pid 5821] <... clone resumed>, child_tidptr=0x555588ff3650) = 5824 [pid 5824] chdir("./0") = 0 [pid 5824] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5824] setpgid(0, 0) = 0 [pid 5824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5824] write(3, "1000", 4) = 4 [pid 5824] close(3) = 0 [pid 5824] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5824] write(1, "executing program\n", 18) = 18 [pid 5824] memfd_create("syzkaller", 0) = 3 [pid 5824] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0d2bc00000 [pid 5824] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5824] munmap(0x7f0d2bc00000, 138412032) = 0 [pid 5824] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5824] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5824] close(3) = 0 [pid 5824] close(4) = 0 [pid 5824] mkdir("./file0", 0777) = 0 [ 93.508759][ T5824] loop0: detected capacity change from 0 to 32768 [ 93.611959][ T5824] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,background_compression=lz4,nojournal_transaction_names,version_upgrade=none [ 93.611959][ T5824] allowing incompatible features above 0.0: (unknown version) [ 93.639332][ T5824] bcachefs (loop0): recovering from clean shutdown, journal seq 13 [ 93.660962][ T5824] bcachefs (loop0): accounting_read... done [ 93.668113][ T5824] bcachefs (loop0): alloc_read... done [ 93.673778][ T5824] bcachefs (loop0): snapshots_read... done [ 93.682656][ T5824] bcachefs (loop0): going read-write [ 93.692682][ T5824] bcachefs (loop0): journal_replay... done [ 93.698729][ T5824] bcachefs (loop0): resume_logged_ops... done [ 93.705826][ T5824] bcachefs (loop0): delete_dead_inodes... done [ 93.713137][ T5833] bcachefs (loop0): backpointer doesn't match extent it points to: [ 93.713175][ T5833] u64s 9 type backpointer 0:8921088:0 len 0 ver 0: bucket=0:34:8 btree=extents level=0 data_type=user suboffset=0 len=8 gen=0 pos=1073741825:24:U32_MAX [ 93.713192][ T5833] u64s 8 type extent 1073741825:24:U32_MAX len 24 ver 2: durability: 1 crc: c_size 8 size 24 offset 0 nonce 0 csum chacha20_poly1305_80 5c1d:75853c64f7009f9d compress lz4 ptr: 0:34:8 gen 0 [pid 5824] mount("/dev/loop0", "./file0", "bcachefs", 0, "version_upgrade=none,background_compression=lz4,") = 0 [pid 5824] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5824] chdir("./file0") = 0 [pid 5824] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5824] ioctl(4, LOOP_CLR_FD) = 0 [pid 5824] close(4) = 0 [ 93.713209][ T5833] u64s 9 type backpointer 0:8921088:0 len 0 ver 0: bucket=0:34:8 btree=extents level=0 data_type=user suboffset=0 len=8 gen=0 pos=1073741825:24:U32_MAX, fixing [ 93.773702][ T5824] bcachefs (loop0): done starting filesystem [pid 5824] openat(AT_FDCWD, "./file1", O_WRONLY|O_CREAT|O_APPEND, 0552) = 4 [pid 5824] fallocate(4, FALLOC_FL_ZERO_RANGE, 3, 31783) = 0 [pid 5824] exit_group(0) = ? [pid 5824] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5824, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=32 /* 0.32 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x555588ff46f0 /* 4 entries */, 32768) = 112 umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./0/binderfs") = 0 [ 125.228690][ T5833] Allocator stuck? Waited for 30 seconds [ 125.228712][ T5833] Allocator debug: [ 125.228720][ T5833] capacity1536 [ 125.228727][ T5833] reserved 31232 [ 125.228735][ T5833] hidden 0 [ 125.228742][ T5833] btree 0 [ 125.228749][ T5833] data 0 [ 125.228756][ T5833] cached 0 [ 125.228764][ T5833] reserved 48 [ 125.228771][ T5833] online_reserved 776 [ 125.228778][ T5833] nr_inodes 0 [ 125.228785][ T5833] [ 125.228792][ T5833] freelist_wait waiting [ 125.228800][ T5833] open buckets allocated1 [ 125.228807][ T5833] open buckets total 1024 [ 125.228814][ T5833] open_buckets_wait empty [ 125.228822][ T5833] open_buckets_btree 0 [ 125.228829][ T5833] open_buckets_user 0 [ 125.228836][ T5833] btree reserve cache 0 [ 125.228843][ T5833] [ 125.228850][ T5833] Dev 0: [ 125.228856][ T5833] buckets sectors fragmented [ 125.228865][ T5833] free 0 0 0 [ 125.228874][ T5833] sb 0 0 0 [ 125.228883][ T5833] journal 0 0 0 [ 125.228892][ T5833] btree 0 0 0 [ 125.228900][ T5833] user 0 0 0 [ 125.228909][ T5833] cached 0 0 0 [ 125.228918][ T5833] parity 0 0 0 [ 125.228927][ T5833] stripe 0 0 0 [ 125.228936][ T5833] need_gc_gens 0 0 0 [ 125.228944][ T5833] need_discard 0 0 0 [ 125.228953][ T5833] unstriped 0 0 0 [ 125.228968][ T5833] capacity 128 [ 125.228975][ T5833] [ 125.228981][ T5833] reserves: [ 125.228988][ T5833] stripe 60 [ 125.228996][ T5833] normal 58 [ 125.229003][ T5833] copygc 56 [ 125.229010][ T5833] btree 28 [ 125.229018][ T5833] btree_copygc 0 [ 125.229025][ T5833] reclaim 0 [ 125.229032][ T5833] interior_updates 0 [ 125.229040][ T5833] [ 125.229046][ T5833] open buckets 0 [ 125.229053][ T5833] buckets to invalidate 0 [ 125.229061][ T5833] [ 125.229067][ T5833] Copygc debug: [ 125.229074][ T5833] running: 1 [ 125.229080][ T5833] copygc_wait:0 [ 125.229087][ T5833] copygc_wait_at:0 [ 125.229094][ T5833] Currently waiting for:0 B [ 125.229101][ T5833] Currently waiting since:640 KiB [ 125.229109][ T5833] Currently calculated wait:0 B [ 125.229117][ T5833] [<0>] bch2_copygc_wait_to_text+0x4ab/0x600 [ 125.229125][ T5833] [<0>] bch2_print_allocator_stuck+0xae2/0xbd0 [ 125.229133][ T5833] [<0>] __bch2_wait_on_allocator+0x17f/0x240 [ 125.229141][ T5833] [<0>] bch2_btree_update_start+0x1193/0x14c0 [ 125.229149][ T5833] [<0>] bch2_btree_split_leaf+0x13c/0x8f0 [ 125.229157][ T5833] [<0>] bch2_trans_commit_error+0x1a8/0x1100 [ 125.229165][ T5833] [<0>] __bch2_trans_commit+0x779c/0x8ae0 [ 125.229173][ T5833] [<0>] bch2_btree_write_buffer_flush_locked+0x3dce/0x45a0 [ 125.229181][ T5833] [<0>] bch2_btree_write_buffer_tryflush+0x150/0x1a0 [ 125.229190][ T5833] [<0>] __bch2_move_data_phys+0x910/0x1b10 [ 125.229198][ T5833] [<0>] bch2_evacuate_bucket+0x1b8/0x2b0 [ 125.229206][ T5833] [<0>] bch2_copygc+0x323b/0x3cf0 [ 125.229213][ T5833] [<0>] bch2_copygc_thread+0x8c9/0xd40 [ 125.229221][ T5833] [<0>] kthread+0x70e/0x8a0 [ 125.229229][ T5833] [<0>] ret_from_fork+0x4b/0x80 [ 125.229244][ T5833] [<0>] ret_from_fork_asm+0x1a/0x30 [ 125.229252][ T5833] [ 125.229259][ T5833] Journal debug: [ 125.229265][ T5833] flags: replay_done,running,may_skip_flush [ 125.229274][ T5833] dirty journal entries: 1/32768 [ 125.229282][ T5833] seq: 14 [ 125.229289][ T5833] seq_ondisk: 14 [ 125.229301][ T5833] last_seq: 14 [ 125.229309][ T5833] last_seq_ondisk: 14 [ 125.229316][ T5833] flushed_seq_ondisk: 14 [ 125.229324][ T5833] watermark: stripe [ 125.229331][ T5833] each entry reserved: 321 [ 125.229339][ T5833] nr flush writes: 1 [ 125.229346][ T5833] nr noflush writes: 0 [ 125.229354][ T5833] average write size: 1.67 KiB [ 125.229361][ T5833] free buf: 65536 [ 125.229369][ T5833] nr direct reclaim: 0 [ 125.229376][ T5833] nr background reclaim: 4 [ 125.229383][ T5833] reclaim kicked: 0 [ 125.229391][ T5833] reclaim runs in: 0 ms [ 125.229398][ T5833] blocked: 0 [ 125.229406][ T5833] current entry sectors: 256 [ 125.229413][ T5833] current entry error: (No error) [ 125.229421][ T5833] current entry: closed [ 125.229429][ T5833] unwritten entries: [ 125.229436][ T5833] last buf closed [ 125.229443][ T5833] space: [ 125.229449][ T5833] discarded 256:1536 [ 125.229457][ T5833] clean ondisk 256:1536 [ 125.229464][ T5833] clean 256:1536 [ 125.229472][ T5833] total 256:2048 [ 125.229480][ T5833] dev 0: [ 125.229486][ T5833] durability 1: [ 125.229495][ T5833] nr 8 [ 125.229503][ T5833] bucket size 256 [ 125.229510][ T5833] available 6:248 [ 125.229518][ T5833] discard_idx 0 [ 125.229525][ T5833] dirty_ondisk 0 (seq 14) [ 125.229533][ T5833] dirty_idx 0 (seq 14) [ 125.229541][ T5833] cur_idx 0 (seq 14) [ 125.229548][ T5833] replicas want 1 need 1 [ 125.787646][ T12] Allocator stuck? Waited for 30 seconds [ 125.787666][ T12] Allocator debug: [ 125.787672][ T12] capacity1536 [ 125.787679][ T12] reserved 31232 [ 125.787685][ T12] hidden 0 [ 125.787692][ T12] btree 0 [ 125.787698][ T12] data 0 [ 125.787705][ T12] cached 0 [ 125.787711][ T12] reserved 48 [ 125.787718][ T12] online_reserved 776 [ 125.787724][ T12] nr_inodes 0 [ 125.787730][ T12] [ 125.787736][ T12] freelist_wait waiting [ 125.787743][ T12] open buckets allocated1 [ 125.787749][ T12] open buckets total 1024 [ 125.787756][ T12] open_buckets_wait empty [ 125.787762][ T12] open_buckets_btree 0 [ 125.787769][ T12] open_buckets_user 0 [ 125.787775][ T12] btree reserve cache 0 [ 125.787781][ T12] [ 125.787787][ T12] Dev 0: [ 125.787793][ T12] buckets sectors fragmented [ 125.787800][ T12] free 0 0 0 [ 125.787808][ T12] sb 0 0 0 [ 125.787816][ T12] journal 0 0 0 [ 125.787824][ T12] btree 0 0 0 [ 125.787832][ T12] user 0 0 0 [ 125.787840][ T12] cached 0 0 0 [ 125.787847][ T12] parity 0 0 0 [ 125.787855][ T12] stripe 0 0 0 [ 125.787863][ T12] need_gc_gens 0 0 0 [ 125.787871][ T12] need_discard 0 0 0 [ 125.787878][ T12] unstriped 0 0 0 [ 125.787886][ T12] capacity 128 [ 125.787893][ T12] [ 125.787898][ T12] reserves: [ 125.787904][ T12] stripe 60 [ 125.787911][ T12] normal 58 [ 125.787917][ T12] copygc 56 [ 125.787924][ T12] btree 28 [ 125.787930][ T12] btree_copygc 0 [ 125.787937][ T12] reclaim 0 [ 125.787943][ T12] interior_updates 0 [ 125.787950][ T12] [ 125.787955][ T12] open buckets 0 [ 125.787962][ T12] buckets to invalidate 0 [ 125.787968][ T12] [ 125.787974][ T12] Copygc debug: [ 125.787980][ T12] running: 1 [ 125.787986][ T12] copygc_wait:0 [ 125.787992][ T12] copygc_wait_at:0 [ 125.787998][ T12] Currently waiting for:0 B [ 125.788004][ T12] Currently waiting since:640 KiB [ 125.788012][ T12] Currently calculated wait:0 B [ 125.788020][ T12] [ 125.788026][ T12] Journal debug: [ 125.788032][ T12] flags: replay_done,running,may_skip_flush [ 125.788040][ T12] dirty journal entries: 1/32768 [ 125.788047][ T12] seq: 14 [ 125.788053][ T12] seq_ondisk: 14 [ 125.788060][ T12] last_seq: 14 [ 125.788066][ T12] last_seq_ondisk: 14 [ 125.788073][ T12] flushed_seq_ondisk: 14 [ 125.788079][ T12] watermark: stripe [ 125.788086][ T12] each entry reserved: 321 [ 125.788093][ T12] nr flush writes: 1 [ 125.788099][ T12] nr noflush writes: 0 [ 125.788106][ T12] average write size: 1.67 KiB [ 125.788112][ T12] free buf: 65536 [ 125.788119][ T12] nr direct reclaim: 0 [ 125.788126][ T12] nr background reclaim: 4 [ 125.788132][ T12] reclaim kicked: 0 [ 125.788139][ T12] reclaim runs in: 0 ms [ 125.788145][ T12] blocked: 0 [ 125.788152][ T12] current entry sectors: 256 [ 125.788158][ T12] current entry error: (No error) [ 125.788165][ T12] current entry: closed [ 125.788172][ T12] unwritten entries: [ 125.788178][ T12] last buf closed [ 125.788184][ T12] space: [ 125.788190][ T12] discarded 256:1536 [ 125.788197][ T12] clean ondisk 256:1536 [ 125.788203][ T12] clean 256:1536 [ 125.788210][ T12] total 256:2048 [ 125.788217][ T12] dev 0: [ 125.788222][ T12] durability 1: [ 125.788229][ T12] nr 8 [ 125.788235][ T12] bucket size 256 [ 125.788243][ T12] available 6:248 [ 125.788251][ T12] discard_idx 0 [ 125.788257][ T12] dirty_ondisk 0 (seq 14) [ 125.788264][ T12] dirty_idx 0 (seq 14) [ 125.788271][ T12] cur_idx 0 (seq 14) [ 125.788278][ T12] replicas want 1 need 1 [ 132.901057][ T1300] ieee802154 phy0 wpan0: encryption failed: -22 [ 132.907713][ T1300] ieee802154 phy1 wpan1: encryption failed: -22 [ 194.341723][ T1300] ieee802154 phy0 wpan0: encryption failed: -22 [ 194.348187][ T1300] ieee802154 phy1 wpan1: encryption failed: -22 [ 255.780783][ T31] INFO: task syz-executor255:5821 blocked for more than 143 seconds. [ 255.781356][ T1300] ieee802154 phy0 wpan0: encryption failed: -22 [ 255.788982][ T31] Not tainted 6.15.0-rc4-syzkaller #0 [ 255.795460][ T1300] ieee802154 phy1 wpan1: encryption failed: -22 [ 255.801534][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 255.816169][ T31] task:syz-executor255 state:D stack:23912 pid:5821 tgid:5821 ppid:5818 task_flags:0x400100 flags:0x00004002 [ 255.828176][ T31] Call Trace: [ 255.831477][ T31] [ 255.834421][ T31] __schedule+0x168f/0x4c70 [ 255.839022][ T31] ? __lock_acquire+0xaac/0xd20 [ 255.843922][ T31] ? do_raw_spin_lock+0x121/0x290 [ 255.849058][ T31] ? schedule+0x165/0x360 [ 255.853445][ T31] ? __pfx___schedule+0x10/0x10 [ 255.858382][ T31] ? schedule+0x91/0x360 [ 255.862691][ T31] schedule+0x165/0x360 [ 255.866950][ T31] wb_wait_for_completion+0x15f/0x260 [ 255.872416][ T31] ? __pfx_wb_wait_for_completion+0x10/0x10 [ 255.878376][ T31] ? call_rcu+0x6dd/0x990 [ 255.882718][ T31] ? __pfx_autoremove_wake_function+0x10/0x10 [ 255.888894][ T31] __writeback_inodes_sb_nr+0x1f6/0x250 [ 255.894501][ T31] ? __pfx___writeback_inodes_sb_nr+0x10/0x10 [ 255.900688][ T31] ? get_nr_dirty_inodes+0x1c4/0x210 [ 255.906130][ T31] sync_filesystem+0xa3/0x230 [ 255.910946][ T31] generic_shutdown_super+0x6f/0x2c0 [ 255.916269][ T31] bch2_kill_sb+0x41/0x50 [ 255.920660][ T31] deactivate_locked_super+0xb9/0x130 [ 255.926077][ T31] cleanup_mnt+0x425/0x4c0 [ 255.930774][ T31] ? lockdep_hardirqs_on+0x9c/0x150 [ 255.936115][ T31] task_work_run+0x1d1/0x260 [ 255.940890][ T31] ? __pfx_task_work_run+0x10/0x10 [ 255.946048][ T31] ? path_umount+0x249/0xf60 [ 255.950812][ T31] ptrace_notify+0x281/0x2c0 [ 255.955446][ T31] ? __pfx_ptrace_notify+0x10/0x10 [ 255.960635][ T31] ? __pfx_path_umount+0x10/0x10 [ 255.965611][ T31] ? user_path_at+0x44/0x60 [ 255.970204][ T31] syscall_exit_work+0xc2/0x1d0 [ 255.975092][ T31] syscall_exit_to_user_mode_prepare+0x6f/0xe0 [ 255.981306][ T31] syscall_exit_to_user_mode+0x12/0x120 [ 255.986883][ T31] do_syscall_64+0x103/0x210 [ 255.991550][ T31] ? clear_bhb_loop+0x45/0xa0 [ 255.996253][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 256.002193][ T31] RIP: 0033:0x7f0d3406b5e7 [ 256.006645][ T31] RSP: 002b:00007ffdf52b0218 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 256.015126][ T31] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f0d3406b5e7 [ 256.023175][ T31] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdf52b02d0 [ 256.031377][ T31] RBP: 00007ffdf52b02d0 R08: 0000000000000000 R09: 0000000000000000 [ 256.039413][ T31] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffdf52b1340 [ 256.047486][ T31] R13: 0000555588ff46c0 R14: 0000000000000001 R15: 431bde82d7b634db [ 256.055492][ T31] [ 256.058614][ T31] INFO: task bch-reclaim/loo:5832 blocked for more than 143 seconds. [ 256.066699][ T31] Not tainted 6.15.0-rc4-syzkaller #0 [ 256.072659][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 256.081436][ T31] task:bch-reclaim/loo state:D stack:26584 pid:5832 tgid:5832 ppid:2 task_flags:0x200840 flags:0x00004000 [ 256.093549][ T31] Call Trace: [ 256.096855][ T31] [ 256.099860][ T31] __schedule+0x168f/0x4c70 [ 256.104409][ T31] ? __lock_acquire+0xaac/0xd20 [ 256.109337][ T31] ? schedule+0x165/0x360 [ 256.113703][ T31] ? __pfx___schedule+0x10/0x10 [ 256.118632][ T31] ? schedule+0x91/0x360 [ 256.122909][ T31] schedule+0x165/0x360 [ 256.127075][ T31] schedule_preempt_disabled+0x13/0x30 [ 256.132651][ T31] __mutex_lock+0x724/0xe80 [ 256.137260][ T31] ? __mutex_lock+0x51b/0xe80 [ 256.141983][ T31] ? btree_write_buffer_flush_seq+0x1829/0x19a0 [ 256.148292][ T31] ? __pfx___mutex_lock+0x10/0x10 [ 256.153369][ T31] ? __pfx_bch2_next_write_buffer_flush_journal_buf+0x10/0x10 [ 256.161000][ T31] ? bch2_trans_unlock+0x3a0/0x4b0 [ 256.166162][ T31] btree_write_buffer_flush_seq+0x1829/0x19a0 [ 256.172313][ T31] ? look_up_lock_class+0x74/0x170 [ 256.177621][ T31] ? register_lock_class+0x51/0x320 [ 256.182878][ T31] ? __lock_acquire+0xaac/0xd20 [ 256.187817][ T31] ? __bch2_trans_get+0x806/0xda0 [ 256.192869][ T31] ? __pfx_btree_write_buffer_flush_seq+0x10/0x10 [ 256.199363][ T31] ? __bch2_trans_get+0x9d7/0xda0 [ 256.204424][ T31] bch2_btree_write_buffer_journal_flush+0x69/0xb0 [ 256.210996][ T31] ? __pfx_bch2_btree_write_buffer_journal_flush+0x10/0x10 [ 256.218248][ T31] journal_flush_pins+0x8e0/0xe90 [ 256.223308][ T31] __bch2_journal_reclaim+0x781/0xd10 [ 256.228785][ T31] bch2_journal_reclaim_thread+0x177/0x4f0 [ 256.234659][ T31] ? bch2_journal_reclaim_thread+0x223/0x4f0 [ 256.240794][ T31] kthread+0x70e/0x8a0 [ 256.244895][ T31] ? __pfx_bch2_journal_reclaim_thread+0x10/0x10 [ 256.251308][ T31] ? __pfx_kthread+0x10/0x10 [ 256.255930][ T31] ? __pfx_kthread+0x10/0x10 [ 256.260623][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 256.265856][ T31] ? lockdep_hardirqs_on+0x9c/0x150 [ 256.271138][ T31] ? __pfx_kthread+0x10/0x10 [ 256.275751][ T31] ret_from_fork+0x4b/0x80 [ 256.280647][ T31] ? __pfx_kthread+0x10/0x10 [ 256.285267][ T31] ret_from_fork_asm+0x1a/0x30 [ 256.290411][ T31] [ 256.293495][ T31] [ 256.293495][ T31] Showing all locks held in the system: [ 256.301293][ T31] 2 locks held by kworker/u8:0/12: [ 256.306461][ T31] #0: ffff8881412d7148 ((wq_completion)writeback){+.+.}-{0:0}, at: process_scheduled_works+0x9b1/0x17a0 [ 256.317887][ T31] #1: ffffc90000117c60 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9ec/0x17a0 [ 256.330470][ T31] 1 lock held by khungtaskd/31: [ 256.335334][ T31] #0: ffffffff8df3b860 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 [ 256.345372][ T31] 2 locks held by getty/5576: [ 256.350107][ T31] #0: ffff888030f640a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 256.359952][ T31] #1: ffffc90002ffe2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x43e/0x1400 [ 256.370141][ T31] 1 lock held by syz-executor255/5821: [ 256.375686][ T31] #0: ffff8880112c20e0 (&type->s_umount_key#43){+.+.}-{4:4}, at: deactivate_super+0xa9/0xe0 [ 256.385989][ T31] 3 locks held by bch-reclaim/loo/5832: [ 256.391580][ T31] #0: ffff8880782cad28 (&j->reclaim_lock){+.+.}-{4:4}, at: bch2_journal_reclaim_thread+0x16b/0x4f0 [ 256.402679][ T31] #1: ffff888078284228 (&c->btree_trans_barrier){.+.+}-{0:0}, at: __bch2_trans_get+0x806/0xda0 [ 256.413335][ T31] #2: ffff8880782845d0 (&wb->flushing.lock){+.+.}-{4:4}, at: btree_write_buffer_flush_seq+0x1829/0x19a0 [ 256.424851][ T31] 3 locks held by bch-copygc/loop/5833: [ 256.430459][ T31] #0: ffff888078284228 (&c->btree_trans_barrier){.+.+}-{0:0}, at: bch2_trans_srcu_lock+0xaf/0x220 [ 256.441408][ T31] #1: ffff8880782845d0 (&wb->flushing.lock){+.+.}-{4:4}, at: bch2_btree_write_buffer_tryflush+0x130/0x1a0 [ 256.452944][ T31] #2: ffff8880782a6590 (&c->gc_lock){.+.+}-{4:4}, at: bch2_btree_update_start+0x68f/0x14c0 [ 256.463173][ T31] [ 256.465520][ T31] ============================================= [ 256.465520][ T31] [ 256.474088][ T31] NMI backtrace for cpu 0 [ 256.474111][ T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.15.0-rc4-syzkaller #0 PREEMPT(full) [ 256.474143][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 256.474153][ T31] Call Trace: [ 256.474160][ T31] [ 256.474168][ T31] dump_stack_lvl+0x189/0x250 [ 256.474201][ T31] ? __wake_up_klogd+0xd9/0x110 [ 256.474223][ T31] ? __pfx_dump_stack_lvl+0x10/0x10 [ 256.474247][ T31] ? __pfx__printk+0x10/0x10 [ 256.474288][ T31] nmi_cpu_backtrace+0x39e/0x3d0 [ 256.474324][ T31] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 256.474348][ T31] ? _printk+0xcf/0x120 [ 256.474380][ T31] ? __pfx__printk+0x10/0x10 [ 256.474410][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 256.474443][ T31] nmi_trigger_cpumask_backtrace+0x17a/0x300 [ 256.474474][ T31] watchdog+0xfee/0x1030 [ 256.474499][ T31] ? watchdog+0x1de/0x1030 [ 256.474530][ T31] kthread+0x70e/0x8a0 [ 256.474555][ T31] ? __pfx_watchdog+0x10/0x10 [ 256.474576][ T31] ? __pfx_kthread+0x10/0x10 [ 256.474598][ T31] ? __pfx_kthread+0x10/0x10 [ 256.474618][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 256.474647][ T31] ? lockdep_hardirqs_on+0x9c/0x150 [ 256.474678][ T31] ? __pfx_kthread+0x10/0x10 [ 256.474699][ T31] ret_from_fork+0x4b/0x80 [ 256.474716][ T31] ? __pfx_kthread+0x10/0x10 [ 256.474737][ T31] ret_from_fork_asm+0x1a/0x30 [ 256.474783][ T31] [ 256.474791][ T31] Sending NMI from CPU 0 to CPUs 1: [ 256.620048][ C1] NMI backtrace for cpu 1 [ 256.620066][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.15.0-rc4-syzkaller #0 PREEMPT(full) [ 256.620085][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 256.620096][ C1] RIP: 0010:pv_native_safe_halt+0x13/0x20 [ 256.620127][ C1] Code: cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d c3 7a 19 00 f3 0f 1e fa fb f4 cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 [ 256.620141][ C1] RSP: 0018:ffffc90000197de0 EFLAGS: 000002c6 [ 256.620156][ C1] RAX: e0b14de9e6cca300 RBX: ffffffff81973cc8 RCX: e0b14de9e6cca300 [ 256.620169][ C1] RDX: 0000000000000001 RSI: ffffffff8d735765 RDI: ffffffff8bc0fa20 [ 256.620181][ C1] RBP: ffffc90000197f20 R08: ffff8880b8932b5b R09: 1ffff1101712656b [ 256.620193][ C1] R10: dffffc0000000000 R11: ffffed101712656c R12: ffffffff8f7d9f70 [ 256.620205][ C1] R13: 0000000000000001 R14: 0000000000000001 R15: 1ffff110038dcb40 [ 256.620216][ C1] FS: 0000000000000000(0000) GS:ffff888126202000(0000) knlGS:0000000000000000 [ 256.620229][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 256.620240][ C1] CR2: 000055bc2eab0680 CR3: 000000000dd36000 CR4: 00000000003526f0 [ 256.620255][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 256.620264][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 256.620274][ C1] Call Trace: [ 256.620283][ C1] [ 256.620289][ C1] default_idle+0x13/0x20 [ 256.620309][ C1] default_idle_call+0x74/0xb0 [ 256.620329][ C1] do_idle+0x1e8/0x510 [ 256.620356][ C1] ? __pfx_do_idle+0x10/0x10 [ 256.620389][ C1] cpu_startup_entry+0x44/0x60 [ 256.620412][ C1] start_secondary+0x101/0x110 [ 256.620437][ C1] common_startup_64+0x13e/0x147 [ 256.620468][ C1] [ 256.621027][ T31] Kernel panic - not syncing: hung_task: blocked tasks [ 256.621045][ T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.15.0-rc4-syzkaller #0 PREEMPT(full) [ 256.621070][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 [ 256.621083][ T31] Call Trace: [ 256.621093][ T31] [ 256.621102][ T31] dump_stack_lvl+0x99/0x250 [ 256.621134][ T31] ? __asan_memcpy+0x40/0x70 [ 256.621162][ T31] ? __pfx_dump_stack_lvl+0x10/0x10 [ 256.621190][ T31] ? __pfx__printk+0x10/0x10 [ 256.621236][ T31] panic+0x2db/0x790 [ 256.621270][ T31] ? __pfx_panic+0x10/0x10 [ 256.621298][ T31] ? nmi_backtrace_stall_check+0x433/0x440 [ 256.621336][ T31] ? irq_work_queue+0xc3/0x140 [ 256.621371][ T31] watchdog+0x102d/0x1030 [ 256.621398][ T31] ? watchdog+0x1de/0x1030 [ 256.621432][ T31] kthread+0x70e/0x8a0 [ 256.621460][ T31] ? __pfx_watchdog+0x10/0x10 [ 256.621483][ T31] ? __pfx_kthread+0x10/0x10 [ 256.621508][ T31] ? __pfx_kthread+0x10/0x10 [ 256.621530][ T31] ? _raw_spin_unlock_irq+0x23/0x50 [ 256.621561][ T31] ? lockdep_hardirqs_on+0x9c/0x150 [ 256.621595][ T31] ? __pfx_kthread+0x10/0x10 [ 256.621616][ T31] ret_from_fork+0x4b/0x80 [ 256.621636][ T31] ? __pfx_kthread+0x10/0x10 [ 256.621658][ T31] ret_from_fork_asm+0x1a/0x30 [ 256.621706][ T31] [ 256.925884][ T31] Kernel Offset: disabled [ 256.930281][ T31] Rebooting in 86400 seconds..