./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3542594949 <...> Warning: Permanently added '10.128.1.150' (ED25519) to the list of known hosts. execve("./syz-executor3542594949", ["./syz-executor3542594949"], 0x7fff9939f080 /* 10 vars */) = 0 brk(NULL) = 0x55558bf6c000 brk(0x55558bf6cd00) = 0x55558bf6cd00 arch_prctl(ARCH_SET_FS, 0x55558bf6c380) = 0 set_tid_address(0x55558bf6c650) = 5820 set_robust_list(0x55558bf6c660, 24) = 0 rseq(0x55558bf6cca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3542594949", 4096) = 28 getrandom("\x58\xd8\x7d\x16\x7a\x63\x0a\x87", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558bf6cd00 brk(0x55558bf8dd00) = 0x55558bf8dd00 brk(0x55558bf8e000) = 0x55558bf8e000 mprotect(0x7fe1e5f09000, 16384, PROT_READ) = 0 mmap(0x3ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x3ffffffff000 mmap(0x400000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400000000000 mmap(0x400001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400001000000 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 5822 attached [pid 5822] set_robust_list(0x55558bf6c660, 24 [pid 5820] <... clone resumed>, child_tidptr=0x55558bf6c650) = 5822 [pid 5822] <... set_robust_list resumed>) = 0 [pid 5822] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5822] setpgid(0, 0) = 0 [pid 5822] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5822] write(3, "1000", 4) = 4 [pid 5822] close(3) = 0 [pid 5822] write(1, "executing program\n", 18executing program ) = 18 [pid 5822] memfd_create("syzkaller", 0) = 3 [pid 5822] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fe1dda00000 [pid 5822] 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 5822] munmap(0x7fe1dda00000, 138412032) = 0 [pid 5822] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5822] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5822] close(3) = 0 [pid 5822] close(4) = 0 [pid 5822] mkdir("./file0", 0777) = 0 [ 63.226215][ T5822] loop0: detected capacity change from 0 to 32768 [ 63.304863][ T5822] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,erasure_code,usrquota,nojournal_transaction_names [ 63.324448][ T5822] invalid journal entry, version=1.7: mi_btree_bitmap type=data_usage in superblock: invalid journal entry usage: bad size, fixing [ 63.338176][ T5822] bcachefs (loop0): recovering from clean shutdown, journal seq 10 [ 63.346559][ T5822] bcachefs (loop0): Version upgrade from 1.3: rebalance_work to 1.7: mi_btree_bitmap incomplete [ 63.346559][ T5822] Doing compatible version upgrade from 1.3: rebalance_work to 1.20: directory_size [ 63.346559][ T5822] running recovery passes: check_allocations,check_extents_to_backpointers,check_subvols,check_inodes,check_dirents [ 63.387963][ T5822] invalid bkey in btree_node btree=alloc level=0: u64s 11 type alloc_v4 0:20802:182124544 len 0 ver 0: [ 63.387981][ T5822] gen 0 oldest_gen 0 data_type journal [ 63.387986][ T5822] journal_seq_nonempty 1 [ 63.387991][ T5822] journal_seq_empty 0 [ 63.387996][ T5822] need_discard 1 [ 63.388006][ T5822] need_inc_gen 1 [ 63.388011][ T5822] dirty_sectors 256 [ 63.388016][ T5822] stripe_sectors 0 [ 63.388021][ T5822] cached_sectors 0 [ 63.388026][ T5822] stripe 0 [ 63.388031][ T5822] stripe_redundancy 0 [ 63.388035][ T5822] io_time[READ] 1 [ 63.388040][ T5822] io_time[WRITE] 1 [ 63.388045][ T5822] bp_start 8 [ 63.388049][ T5822] [ 63.388054][ T5822] nonzero snapshot: delete?, fixing [ 63.466427][ T5822] bcachefs (loop0): flagging btree alloc lost data [ 63.473150][ T5822] bcachefs (loop0): running explicit recovery pass check_topology (2), currently at recovery_pass_empty (0) [ 63.484807][ T5822] bcachefs (loop0): running explicit recovery pass check_lrus (14), currently at recovery_pass_empty (0) [ 63.496078][ T5822] bcachefs (loop0): running explicit recovery pass check_backpointers_to_extents (16), currently at recovery_pass_empty (0) [ 63.509015][ T5822] bcachefs (loop0): running explicit recovery pass check_alloc_info (13), currently at recovery_pass_empty (0) [ 63.523560][ T5822] error reading btree root btree=alloc level=0: btree_node_read_error, fixing [ 63.535012][ T5822] bcachefs (loop0): error validating btree node on loop0 at btree snapshots level 0/0 [ 63.535030][ T5822] u64s 11 type btree_ptr_v2 18446742987082825727:U64_MAX:U32_MAX len 0 ver 0: seq ebb8d5a9e3463bdb written 16 min_key POS_MIN durability: 1 ptr: 0:32:0 gen 0 [ 63.535038][ T5822] node offset 0/16 bset u64s 0: incorrect max key SPOS_MAX [ 63.568464][ T5822] bcachefs (loop0): flagging btree snapshots lost data [ 63.575393][ T5822] bcachefs (loop0): running explicit recovery pass scan_for_btree_nodes (1), currently at recovery_pass_empty (0) [ 63.588502][ T5822] error reading btree root btree=snapshots level=0: btree_node_read_error, fixing [ 63.602919][ T5822] bcachefs (loop0): scan_for_btree_nodes... [ 63.622130][ T5822] bcachefs (loop0): btree node scan found 7 nodes after overwrites [ 63.636204][ T5822] done [ 63.640212][ T5822] bcachefs (loop0): check_topology... [ 63.642161][ T5822] bcachefs (loop0): btree root snapshots unreadable, must recover from scan [ 63.656752][ T5822] bcachefs (loop0): bch2_get_scanned_nodes(): recovery btree=snapshots level=0 POS_MIN - SPOS_MAX [ 63.667578][ T5822] bcachefs (loop0): bch2_get_scanned_nodes(): recovering u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq ebb8d5a9e3463bdb written 16 min_key POS_MIN durability: 1 ptr: 0:32:0 gen 0 [ 63.688132][ T5822] done [ 63.691716][ T5822] bcachefs (loop0): accounting_read... done [ 63.698821][ T5822] bcachefs (loop0): alloc_read... done [ 63.704455][ T5822] bcachefs (loop0): stripes_read... done [ 63.710151][ T5822] bcachefs (loop0): snapshots_read... [ 63.711319][ T5822] bcachefs (loop0): running explicit recovery pass reconstruct_snapshots (21), currently at snapshots_read (7) [ 63.728580][ T5822] done [ 63.731360][ T5822] bcachefs (loop0): check_allocations... [ 63.733136][ T5822] bucket 0:34 data type user ptr gen 0 missing in alloc btree [ 63.733154][ T5822] while marking u64s 7 type extent 4099:8:4294905343 len 8 ver 0: durability: 1 crc: c_size 8 size 8 offset 0 nonce 0 csum none 0:0 compress incompressible ptr: 0:34:0 gen 0, fixing [ 63.765648][ T5822] bucket 0:27 data type btree ptr gen 0 missing in alloc btree [ 63.765660][ T5822] while marking u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq c6c25c03258c59c5 written 16 min_key POS_MIN durability: 1 ptr: 0:27:0 gen 0, fixing [ 63.790919][ T5822] bucket 0:38 data type btree ptr gen 0 missing in alloc btree [ 63.790932][ T5822] while marking u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 7589ab5e0c11cc7a written 24 min_key POS_MIN durability: 1 ptr: 0:38:0 gen 0, fixing [ 63.815526][ T5822] bucket 0:41 data type btree ptr gen 0 missing in alloc btree [ 63.815539][ T5822] while marking u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 9aa2895aefce4bdf written 24 min_key POS_MIN durability: 1 ptr: 0:41:0 gen 0, fixing [ 63.838778][ T5822] bucket 0:31 data type btree ptr gen 0 missing in alloc btree [ 63.838796][ T5822] while marking u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 2285c34bed0abe32 written 16 min_key POS_MIN durability: 1 ptr: 0:31:0 gen 0, fixing [ 63.862990][ T5822] bucket 0:35 data type btree ptr gen 0 missing in alloc btree [ 63.863003][ T5822] while marking u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq c0bef60d07ceb940 written 16 min_key POS_MIN durability: 1 ptr: 0:35:0 gen 0, fixing [ 63.887753][ T5822] bucket 0:32 data type btree ptr gen 0 missing in alloc btree [ 63.887766][ T5822] while marking u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq ebb8d5a9e3463bdb written 16 min_key POS_MIN durability: 1 ptr: 0:32:0 gen 0, fixing [ 63.911146][ T5822] bucket 0:28 data type btree ptr gen 0 missing in alloc btree [ 63.911164][ T5822] while marking u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 28f61e078e70b95c written 16 min_key POS_MIN durability: 1 ptr: 0:28:0 gen 0, fixing [ 63.935492][ T5822] bucket 0:29 data type btree ptr gen 0 missing in alloc btree [ 63.935505][ T5822] while marking u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq e81e1ed936acf3df written 32 min_key POS_MIN durability: 1 ptr: 0:29:0 gen 0, fixing [ 63.958928][ T5822] bucket 0:37 data type btree ptr gen 0 missing in alloc btree [ 63.958952][ T5822] while marking u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 4a8b0fa43a9980a6 written 24 min_key POS_MIN durability: 1 ptr: 0:37:0 gen 0, fixing [ 63.982233][ T5822] bucket 0:42 data type btree ptr gen 0 missing in alloc btree [ 63.982246][ T5822] while marking u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 1db8f60c84bb244c written 8 min_key POS_MIN durability: 1 ptr: 0:42:0 gen 0, fixing [ 64.011329][ T5822] done [ 64.015615][ T5822] bcachefs (loop0): going read-write [ 64.022691][ T5822] bcachefs (loop0): journal_replay... done [ 64.064287][ T5822] bcachefs (loop0): check_alloc_info... [ 64.065380][ T5822] hole in alloc btree missing in freespace btree [ 64.065397][ T5822] device 0 buckets 26-27, fixing [ 64.083774][ T5822] hole in alloc btree missing in freespace btree [ 64.083786][ T5822] device 0 buckets 26-27, fixing [ 64.097819][ T5822] done [ 64.102656][ T5822] bcachefs (loop0): check_lrus... done [ 64.109898][ T5822] bcachefs (loop0): check_backpointers_to_extents... done [ 64.120729][ T5822] bcachefs (loop0): check_extents_to_backpointers... [ 64.121345][ T5822] bcachefs (loop0): scanning for missing backpointers in 6/128 buckets [ 64.137764][ T5822] done [ 64.142185][ T5822] bcachefs (loop0): reconstruct_snapshots... [ 64.142438][ T5822] snapshot node 4294905343 from tree 4294905343 missing, recreating [ 64.158544][ T5822] ------------[ cut here ]------------ [ 64.164107][ T5822] kernel BUG at fs/bcachefs/bkey_types.h:210! [ 64.170212][ T5822] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 64.177148][ T5822] CPU: 1 UID: 0 PID: 5822 Comm: syz-executor354 Not tainted 6.14.0-rc2-syzkaller-00185-g128c8f96eb86 #0 [ 64.188263][ T5822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 64.198321][ T5822] RIP: 0010:bch2_reconstruct_snapshots+0x35a5/0x35b0 [ 64.204995][ T5822] Code: 08 a9 fd e9 e3 cb ff ff e8 88 51 44 fd e8 f3 fa a8 fd 4c 89 ef 89 de e8 29 68 cc ff e8 74 51 44 fd 90 0f 0b e8 6c 51 44 fd 90 <0f> 0b e8 84 e7 82 07 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 [ 64.224586][ T5822] RSP: 0018:ffffc90003dfee20 EFLAGS: 00010293 [ 64.230636][ T5822] RAX: ffffffff847d6594 RBX: 0000000000000009 RCX: ffff88807c9d5a00 [ 64.238596][ T5822] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 0000000000000015 [ 64.246558][ T5822] RBP: ffffc90003dff428 R08: ffffffff847d56ba R09: 0000000000000000 [ 64.254527][ T5822] R10: ffffc90003dfe820 R11: fffff520007bfd11 R12: ffff8880250865c0 [ 64.262479][ T5822] R13: 0000000000000000 R14: ffff888029330230 R15: 1ffff11004a10cb8 [ 64.270434][ T5822] FS: 000055558bf6c380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 64.279360][ T5822] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.285950][ T5822] CR2: 000055da28eea000 CR3: 000000005d824000 CR4: 00000000003526f0 [ 64.293924][ T5822] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 64.301888][ T5822] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 64.309851][ T5822] Call Trace: [ 64.313120][ T5822] [ 64.316037][ T5822] ? __die_body+0x5f/0xb0 [ 64.320372][ T5822] ? die+0x9e/0xc0 [ 64.324082][ T5822] ? do_trap+0x15a/0x3a0 [ 64.328316][ T5822] ? bch2_reconstruct_snapshots+0x35a5/0x35b0 [ 64.334372][ T5822] ? do_error_trap+0x1dc/0x2c0 [ 64.339123][ T5822] ? bch2_reconstruct_snapshots+0x35a5/0x35b0 [ 64.345182][ T5822] ? __pfx_do_error_trap+0x10/0x10 [ 64.350285][ T5822] ? handle_invalid_op+0x34/0x40 [ 64.355211][ T5822] ? bch2_reconstruct_snapshots+0x35a5/0x35b0 [ 64.361263][ T5822] ? exc_invalid_op+0x38/0x50 [ 64.365940][ T5822] ? asm_exc_invalid_op+0x1a/0x20 [ 64.370960][ T5822] ? bch2_reconstruct_snapshots+0x26ca/0x35b0 [ 64.377023][ T5822] ? bch2_reconstruct_snapshots+0x35a4/0x35b0 [ 64.383080][ T5822] ? bch2_reconstruct_snapshots+0x35a5/0x35b0 [ 64.389147][ T5822] ? __pfx_bch2_reconstruct_snapshots+0x10/0x10 [ 64.395461][ T5822] ? __console_unlock+0x12d/0x1f0 [ 64.400477][ T5822] ? prb_read_valid+0xa9/0xf0 [ 64.405151][ T5822] ? __pfx___console_unlock+0x10/0x10 [ 64.410521][ T5822] ? is_printk_cpu_sync_owner+0x32/0x40 [ 64.416059][ T5822] ? console_unlock+0x2fc/0x3b0 [ 64.420898][ T5822] ? __pfx_console_unlock+0x10/0x10 [ 64.426084][ T5822] ? bch2_reconstruct_snapshots+0x192b/0x35b0 [ 64.432140][ T5822] ? __wake_up_klogd+0xd5/0x110 [ 64.437110][ T5822] ? __bch2_print+0x17a/0x220 [ 64.441792][ T5822] ? bch2_reconstruct_snapshots+0x2ce/0x35b0 [ 64.447774][ T5822] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 64.454104][ T5822] bch2_run_recovery_pass+0xf0/0x1e0 [ 64.459408][ T5822] bch2_run_recovery_passes+0x2ad/0xa90 [ 64.464967][ T5822] bch2_fs_recovery+0x265a/0x3de0 [ 64.469998][ T5822] ? __pfx_bch2_fs_recovery+0x10/0x10 [ 64.475379][ T5822] ? __pfx_lock_release+0x10/0x10 [ 64.480401][ T5822] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 64.486028][ T5822] ? __pfx_lock_release+0x10/0x10 [ 64.491161][ T5822] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 64.496799][ T5822] ? bch2_get_next_online_dev+0x4b9/0x4f0 [ 64.502521][ T5822] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 64.508171][ T5822] ? llist_reverse_order+0x72/0x90 [ 64.513280][ T5822] bch2_fs_start+0x37c/0x610 [ 64.517864][ T5822] bch2_fs_get_tree+0xdb7/0x17a0 [ 64.522803][ T5822] ? __pfx_bch2_fs_get_tree+0x10/0x10 [ 64.528172][ T5822] ? vfs_parse_monolithic_sep+0x423/0x460 [ 64.533895][ T5822] ? __pfx_vfs_parse_comma_sep+0x10/0x10 [ 64.539550][ T5822] ? rcu_is_watching+0x15/0xb0 [ 64.544317][ T5822] ? cap_capable+0x139/0x450 [ 64.549004][ T5822] ? safesetid_security_capable+0xb2/0x1d0 [ 64.554837][ T5822] vfs_get_tree+0x90/0x2b0 [ 64.559610][ T5822] do_new_mount+0x2be/0xb40 [ 64.564156][ T5822] ? __pfx_do_new_mount+0x10/0x10 [ 64.569200][ T5822] __se_sys_mount+0x2d6/0x3c0 [ 64.573878][ T5822] ? __pfx___se_sys_mount+0x10/0x10 [ 64.579069][ T5822] ? do_syscall_64+0x100/0x230 [ 64.583824][ T5822] ? __x64_sys_mount+0x20/0xc0 [ 64.588620][ T5822] do_syscall_64+0xf3/0x230 [ 64.593459][ T5822] ? clear_bhb_loop+0x35/0x90 [ 64.598130][ T5822] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 64.604012][ T5822] RIP: 0033:0x7fe1e5e912ea [ 64.608429][ T5822] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 64.628040][ T5822] RSP: 002b:00007fff4e8847f8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 64.636454][ T5822] RAX: ffffffffffffffda RBX: 00007fff4e884810 RCX: 00007fe1e5e912ea [ 64.644424][ T5822] RDX: 00004000000058c0 RSI: 0000400000005900 RDI: 00007fff4e884810 [ 64.652387][ T5822] RBP: 0000400000005900 R08: 00007fff4e884850 R09: 000000000000592e [ 64.660348][ T5822] R10: 0000000001000000 R11: 0000000000000282 R12: 00004000000058c0 [ 64.668307][ T5822] R13: 00007fff4e884850 R14: 0000000000000003 R15: 0000000001000000 [ 64.676271][ T5822] [ 64.679275][ T5822] Modules linked in: [ 64.683361][ T5822] ---[ end trace 0000000000000000 ]--- [ 64.688908][ T5822] RIP: 0010:bch2_reconstruct_snapshots+0x35a5/0x35b0 [ 64.695834][ T5822] Code: 08 a9 fd e9 e3 cb ff ff e8 88 51 44 fd e8 f3 fa a8 fd 4c 89 ef 89 de e8 29 68 cc ff e8 74 51 44 fd 90 0f 0b e8 6c 51 44 fd 90 <0f> 0b e8 84 e7 82 07 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 [ 64.715509][ T5822] RSP: 0018:ffffc90003dfee20 EFLAGS: 00010293 [ 64.721581][ T5822] RAX: ffffffff847d6594 RBX: 0000000000000009 RCX: ffff88807c9d5a00 [ 64.729578][ T5822] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 0000000000000015 [ 64.737566][ T5822] RBP: ffffc90003dff428 R08: ffffffff847d56ba R09: 0000000000000000 [ 64.745552][ T5822] R10: ffffc90003dfe820 R11: fffff520007bfd11 R12: ffff8880250865c0 [ 64.753548][ T5822] R13: 0000000000000000 R14: ffff888029330230 R15: 1ffff11004a10cb8 [ 64.761532][ T5822] FS: 000055558bf6c380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 64.770501][ T5822] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.777119][ T5822] CR2: 000055ff36f26038 CR3: 000000005d824000 CR4: 00000000003526f0 [ 64.785207][ T5822] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 64.793184][ T5822] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 64.801220][ T5822] Kernel panic - not syncing: Fatal exception [ 64.807523][ T5822] Kernel Offset: disabled [ 64.811846][ T5822] Rebooting in 86400 seconds..