./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3385046118 <...> Warning: Permanently added '10.128.1.42' (ED25519) to the list of known hosts. execve("./syz-executor3385046118", ["./syz-executor3385046118"], 0x7ffeeec8a520 /* 10 vars */) = 0 brk(NULL) = 0x5555684e7000 brk(0x5555684e7d00) = 0x5555684e7d00 arch_prctl(ARCH_SET_FS, 0x5555684e7380) = 0 set_tid_address(0x5555684e7650) = 5838 set_robust_list(0x5555684e7660, 24) = 0 rseq(0x5555684e7ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3385046118", 4096) = 28 getrandom("\x77\xa4\x42\x2f\xfb\x4c\x1c\xbe", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555684e7d00 brk(0x555568508d00) = 0x555568508d00 brk(0x555568509000) = 0x555568509000 mprotect(0x7f246db7f000, 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 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 5840 attached [pid 5840] set_robust_list(0x5555684e7660, 24 [pid 5838] <... clone resumed>, child_tidptr=0x5555684e7650) = 5840 [pid 5840] <... set_robust_list resumed>) = 0 [pid 5840] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5840] setpgid(0, 0) = 0 [pid 5840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5840] write(3, "1000", 4) = 4 [pid 5840] close(3) = 0 executing program [pid 5840] write(1, "executing program\n", 18) = 18 [pid 5840] memfd_create("syzkaller", 0) = 3 [pid 5840] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2465600000 [pid 5840] 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 5840] munmap(0x7f2465600000, 138412032) = 0 [pid 5840] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5840] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5840] close(3) = 0 [pid 5840] close(4) = 0 [pid 5840] mkdir("./file0", 0777) = 0 [ 61.426574][ T5840] loop0: detected capacity change from 0 to 32768 [ 61.505587][ T5840] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names [ 61.520987][ T5840] bcachefs (loop0): recovering from clean shutdown, journal seq 18444684688430727178 [ 61.531218][ T5840] bcachefs (loop0): Version upgrade required: [ 61.531218][ T5840] Version upgrade from 0.24: unwritten_extents to 1.7: mi_btree_bitmap incomplete [ 61.531218][ T5840] Doing incompatible version upgrade from 0.24: unwritten_extents to 1.13: inode_has_child_snapshots [ 61.531218][ T5840] running recovery passes: check_allocations,check_alloc_info,check_lrus,check_btree_backpointers,check_backpointers_to_extents,check_extents_to_backpointers,check_alloc_to_lru_refs,bucket_gens_init,check_snapshot_trees,check_snapshots,check_subvols,check_subvol_children,delete_dead_snapshots,check_inodes,check_extents,check_indirect_extents,check_dirents,check_xattrs,check_root,check_unreachable_inodes,check_subvolume_structure,check_directory_structure,check_nlinks,set_fs_needs_rebalance [ 61.606927][ T5840] bcachefs (loop0): accounting_read... done [ 61.613884][ T5840] bcachefs (loop0): alloc_read... done [ 61.619502][ T5840] bcachefs (loop0): stripes_read... done [ 61.625256][ T5840] bcachefs (loop0): snapshots_read... done [ 61.631126][ T5840] bcachefs (loop0): check_allocations... [ 61.633093][ T5840] bucket 0:0 gen 0 has wrong data_type: got free, should be sb, fixing [ 61.647296][ T5840] bucket 0:0 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing [ 61.657769][ T5840] bucket 0:1 gen 0 has wrong data_type: got free, should be sb, fixing [ 61.666241][ T5840] bucket 0:1 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing [ 61.676050][ T5840] bucket 0:2 gen 0 has wrong data_type: got free, should be sb, fixing [ 61.684331][ T5840] bucket 0:2 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing [ 61.694209][ T5840] bucket 0:3 gen 0 has wrong data_type: got free, should be sb, fixing [ 61.702613][ T5840] bucket 0:3 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing [ 61.712533][ T5840] bucket 0:4 gen 0 has wrong data_type: got free, should be sb, fixing [ 61.720930][ T5840] bucket 0:4 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing [ 61.730768][ T5840] bucket 0:5 gen 0 has wrong data_type: got free, should be sb, fixing [ 61.739201][ T5840] bucket 0:5 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing [ 61.748959][ T5840] bucket 0:6 gen 0 has wrong data_type: got free, should be sb, fixing [ 61.757338][ T5840] bucket 0:6 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing [ 61.767107][ T5840] bucket 0:7 gen 0 has wrong data_type: got free, should be sb, fixing [ 61.775523][ T5840] bucket 0:7 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing [ 61.785297][ T5840] bucket 0:8 gen 0 has wrong data_type: got free, should be sb, fixing [ 61.793571][ T5840] bucket 0:8 gen 0 data type sb has wrong dirty_sectors: got 0, should be 8, fixing [ 61.803214][ T5840] bucket 0:9 gen 0 has wrong data_type: got free, should be journal, fixing [ 61.811992][ T5840] bucket 0:9 gen 0 data type journal has wrong dirty_sectors: got 0, should be 256, fixing [ 61.822355][ T5840] bucket 0:10 gen 0 has wrong data_type: got free, should be journal, fixing [ 61.831217][ T5840] bucket 0:10 gen 0 data type journal has wrong dirty_sectors: got 0, should be 256, fixing [ 61.841536][ T5840] bucket 0:11 gen 0 has wrong data_type: got free, should be journal, fixing [ 61.850525][ T5840] bucket 0:11 gen 0 data type journal has wrong dirty_sectors: got 0, should be 256, fixing [ 61.860888][ T5840] bucket 0:12 gen 0 has wrong data_type: got free, should be journal, fixing [ 61.869764][ T5840] bucket 0:12 gen 0 data type journal has wrong dirty_sectors: got 0, should be 256, fixing [ 61.880062][ T5840] bucket 0:13 gen 0 has wrong data_type: got free, should be journal, fixing [ 61.888924][ T5840] bucket 0:13 gen 0 data type journal has wrong dirty_sectors: got 0, should be 256, fixing [ 61.899281][ T5840] bucket 0:14 gen 0 has wrong data_type: got free, should be journal, fixing [ 61.908143][ T5840] bucket 0:14 gen 0 data type journal has wrong dirty_sectors: got 0, should be 256, fixing [ 61.918410][ T5840] bucket 0:15 gen 0 has wrong data_type: got free, should be journal, fixing [ 61.927387][ T5840] bucket 0:15 gen 0 data type journal has wrong dirty_sectors: got 0, should be 256, fixing [ 61.937949][ T5840] bucket 0:16 gen 0 has wrong data_type: got free, should be sb, fixing [ 61.946408][ T5840] bucket 0:16 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing [ 61.956315][ T5840] bucket 0:17 gen 0 has wrong data_type: got free, should be sb, fixing [ 61.964704][ T5840] bucket 0:17 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing [ 61.974607][ T5840] bucket 0:18 gen 0 has wrong data_type: got free, should be sb, fixing [ 61.983134][ T5840] bucket 0:18 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing [ 61.993475][ T5840] bucket 0:19 gen 0 has wrong data_type: got free, should be sb, fixing [ 62.002010][ T5840] bucket 0:19 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing [ 62.011940][ T5840] bucket 0:20 gen 0 has wrong data_type: got free, should be sb, fixing [ 62.020424][ T5840] bucket 0:20 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing [ 62.030343][ T5840] bucket 0:21 gen 0 has wrong data_type: got free, should be sb, fixing [ 62.038794][ T5840] bucket 0:21 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing [ 62.048632][ T5840] bucket 0:22 gen 0 has wrong data_type: got free, should be sb, fixing [ 62.057161][ T5840] bucket 0:22 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing [ 62.067031][ T5840] bucket 0:23 gen 0 has wrong data_type: got free, should be sb, fixing [ 62.075636][ T5840] bucket 0:23 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing [ 62.085996][ T5840] bucket 0:24 gen 0 has wrong data_type: got free, should be journal, fixing [ 62.094880][ T5840] bucket 0:24 gen 0 data type journal has wrong dirty_sectors: got 0, should be 256, fixing [ 62.106441][ T5840] bucket 0:120 gen 0 has wrong data_type: got free, should be sb, fixing [ 62.114940][ T5840] bucket 0:120 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing [ 62.124924][ T5840] bucket 0:121 gen 0 has wrong data_type: got free, should be sb, fixing [ 62.133493][ T5840] bucket 0:121 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing [ 62.143507][ T5840] bucket 0:122 gen 0 has wrong data_type: got free, should be sb, fixing [ 62.152142][ T5840] bucket 0:122 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing [ 62.162115][ T5840] bucket 0:123 gen 0 has wrong data_type: got free, should be sb, fixing [ 62.170706][ T5840] bucket 0:123 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing [ 62.180688][ T5840] bucket 0:124 gen 0 has wrong data_type: got free, should be sb, fixing [ 62.189389][ T5840] bucket 0:124 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing [ 62.199356][ T5840] bucket 0:125 gen 0 has wrong data_type: got free, should be sb, fixing [ 62.207878][ T5840] bucket 0:125 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing [ 62.217830][ T5840] bucket 0:126 gen 0 has wrong data_type: got free, should be sb, fixing [ 62.226437][ T5840] bucket 0:126 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing [ 62.236440][ T5840] bucket 0:127 gen 0 has wrong data_type: got free, should be sb, fixing [ 62.244960][ T5840] bucket 0:127 gen 0 data type sb has wrong dirty_sectors: got 0, should be 256, fixing [ 62.256419][ T5840] done [ 62.260712][ T5840] bcachefs (loop0): going read-write [ 62.269280][ T5840] bcachefs (loop0): journal_replay... [ 62.291140][ T5840] ------------[ cut here ]------------ [ 62.302452][ T5840] kernel BUG at fs/bcachefs/btree_write_buffer.c:147! [ 62.309388][ T5840] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 62.316381][ T5840] CPU: 0 UID: 0 PID: 5840 Comm: syz-executor338 Not tainted 6.12.0-syzkaller-09567-g7eef7e306d3c #0 [ 62.327128][ T5840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 62.337179][ T5840] RIP: 0010:bch2_btree_write_buffer_flush_locked+0x56bd/0x5a20 [ 62.344733][ T5840] Code: c9 fc f4 ff e8 84 20 72 fd 90 0f 0b e8 7c 20 72 fd 90 0f 0b e8 74 20 72 fd 90 0f 0b e8 6c 20 72 fd 90 0f 0b e8 64 20 72 fd 90 <0f> 0b e8 5c 20 72 fd 90 0f 0b e8 e4 bf a5 07 e8 4f 20 72 fd 90 0f [ 62.364365][ T5840] RSP: 0018:ffffc90003e06760 EFLAGS: 00010293 [ 62.370431][ T5840] RAX: ffffffff8423bc6c RBX: fff8af000000000b RCX: ffff88806c390000 [ 62.378397][ T5840] RDX: 0000000000000000 RSI: 00f8af000000000b RDI: fff8af000000000b [ 62.386368][ T5840] RBP: ffffc90003e06bb0 R08: ffffffff84237f1b R09: 0000000000000000 [ 62.394326][ T5840] R10: ffffc90003e06240 R11: fffff520007c0c49 R12: ffffc90004e000f0 [ 62.402290][ T5840] R13: ffff88803225c000 R14: 00f8af000000000b R15: ffffc90004e00000 [ 62.410271][ T5840] FS: 00005555684e7380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 62.419636][ T5840] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.426306][ T5840] CR2: 000055fe8e12f0d8 CR3: 000000007b07a000 CR4: 00000000003526f0 [ 62.434282][ T5840] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.442238][ T5840] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.450197][ T5840] Call Trace: [ 62.453464][ T5840] [ 62.456383][ T5840] ? __die_body+0x5f/0xb0 [ 62.460739][ T5840] ? die+0x9e/0xc0 [ 62.464441][ T5840] ? do_trap+0x15a/0x3a0 [ 62.468675][ T5840] ? bch2_btree_write_buffer_flush_locked+0x56bd/0x5a20 [ 62.475600][ T5840] ? do_error_trap+0x1dc/0x2c0 [ 62.480354][ T5840] ? bch2_btree_write_buffer_flush_locked+0x56bd/0x5a20 [ 62.487286][ T5840] ? __pfx_do_error_trap+0x10/0x10 [ 62.492384][ T5840] ? report_bug+0x3e8/0x500 [ 62.496883][ T5840] ? handle_invalid_op+0x34/0x40 [ 62.501805][ T5840] ? bch2_btree_write_buffer_flush_locked+0x56bd/0x5a20 [ 62.508733][ T5840] ? exc_invalid_op+0x38/0x50 [ 62.513402][ T5840] ? asm_exc_invalid_op+0x1a/0x20 [ 62.518419][ T5840] ? bch2_btree_write_buffer_flush_locked+0x196b/0x5a20 [ 62.525343][ T5840] ? bch2_btree_write_buffer_flush_locked+0x56bc/0x5a20 [ 62.532272][ T5840] ? bch2_btree_write_buffer_flush_locked+0x56bd/0x5a20 [ 62.539208][ T5840] ? __mutex_trylock_common+0x183/0x2e0 [ 62.544740][ T5840] ? __pfx_bch2_btree_write_buffer_flush_locked+0x10/0x10 [ 62.551846][ T5840] ? __pfx___mutex_trylock_common+0x10/0x10 [ 62.557734][ T5840] ? rcu_is_watching+0x15/0xb0 [ 62.562482][ T5840] ? trace_contention_end+0x3c/0x120 [ 62.567753][ T5840] ? __mutex_lock+0x37f/0xee0 [ 62.572419][ T5840] ? __bch2_next_write_buffer_flush_journal_buf+0x287/0x2a0 [ 62.579690][ T5840] ? bch2_btree_write_buffer_flush_locked+0x1552/0x5a20 [ 62.586626][ T5840] ? __pfx_bch2_next_write_buffer_flush_journal_buf+0x10/0x10 [ 62.594096][ T5840] ? bch2_trans_unlock+0x3a6/0x470 [ 62.599213][ T5840] btree_write_buffer_flush_seq+0x1b23/0x1cc0 [ 62.605295][ T5840] ? __lock_acquire+0x1397/0x2100 [ 62.610335][ T5840] ? __asan_memset+0x23/0x50 [ 62.614914][ T5840] ? lockdep_init_map_type+0xa1/0x910 [ 62.620284][ T5840] ? __pfx_btree_write_buffer_flush_seq+0x10/0x10 [ 62.626695][ T5840] ? __pfx_lockdep_init_map_type+0x10/0x10 [ 62.632493][ T5840] ? __pfx_bch2_btree_write_buffer_journal_flush+0x10/0x10 [ 62.639699][ T5840] bch2_btree_write_buffer_journal_flush+0xc7/0x150 [ 62.646347][ T5840] ? __pfx_bch2_btree_write_buffer_journal_flush+0x10/0x10 [ 62.653550][ T5840] ? bch2_journal_key_to_wb_slowpath+0x891/0x8f0 [ 62.659970][ T5840] ? do_raw_spin_unlock+0x13c/0x8b0 [ 62.665200][ T5840] ? __pfx_bch2_btree_write_buffer_journal_flush+0x10/0x10 [ 62.672399][ T5840] journal_flush_pins+0x5f7/0xb20 [ 62.677422][ T5840] journal_flush_done+0x8e/0x260 [ 62.682349][ T5840] ? llist_add_batch+0xf1/0x270 [ 62.687193][ T5840] bch2_journal_flush_pins+0x225/0x3a0 [ 62.692661][ T5840] ? __pfx_bch2_journal_flush_pins+0x10/0x10 [ 62.698627][ T5840] ? __lruvec_stat_mod_folio+0x7d/0x300 [ 62.704162][ T5840] ? __pfx_closure_sync_fn+0x10/0x10 [ 62.709435][ T5840] ? free_large_kmalloc+0x105/0x1c0 [ 62.714621][ T5840] ? bch2_journal_replay+0x2356/0x2a40 [ 62.720066][ T5840] ? mempool_free+0x8a/0x390 [ 62.724654][ T5840] bch2_journal_replay+0x270f/0x2a40 [ 62.729939][ T5840] ? irq_work_queue+0xca/0x150 [ 62.734700][ T5840] ? __wake_up_klogd+0xd5/0x110 [ 62.739548][ T5840] ? __pfx_bch2_journal_replay+0x10/0x10 [ 62.745177][ T5840] ? __pfx_lock_release+0x10/0x10 [ 62.750186][ T5840] ? rcu_is_watching+0x15/0xb0 [ 62.754950][ T5840] ? trace_contention_end+0x3c/0x120 [ 62.760236][ T5840] ? __mutex_lock+0x37f/0xee0 [ 62.764925][ T5840] ? __bch2_print+0x17a/0x220 [ 62.769599][ T5840] ? __mutex_unlock_slowpath+0x21e/0x790 [ 62.775221][ T5840] ? bch2_run_recovery_pass+0x6d/0x1e0 [ 62.780669][ T5840] ? __pfx___bch2_print+0x10/0x10 [ 62.785688][ T5840] ? __bch2_fs_read_write+0x35c/0x370 [ 62.791047][ T5840] bch2_run_recovery_pass+0xf0/0x1e0 [ 62.796323][ T5840] bch2_run_recovery_passes+0x3a7/0x880 [ 62.801862][ T5840] bch2_fs_recovery+0x25cc/0x39d0 [ 62.806876][ T5840] ? __pfx_bch2_fs_recovery+0x10/0x10 [ 62.812237][ T5840] ? __pfx_lock_release+0x10/0x10 [ 62.817246][ T5840] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 62.822866][ T5840] ? __pfx_lock_release+0x10/0x10 [ 62.827880][ T5840] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 62.833498][ T5840] ? bch2_get_next_online_dev+0x4b9/0x4f0 [ 62.839220][ T5840] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 62.844854][ T5840] ? llist_reverse_order+0x72/0x90 [ 62.849977][ T5840] bch2_fs_start+0x356/0x5b0 [ 62.854580][ T5840] bch2_fs_get_tree+0xd68/0x1710 [ 62.859514][ T5840] ? __pfx_bch2_fs_get_tree+0x10/0x10 [ 62.864882][ T5840] ? generic_parse_monolithic+0x387/0x400 [ 62.870590][ T5840] ? __pfx_vfs_parse_fs_string+0x10/0x10 [ 62.876210][ T5840] ? cap_capable+0x1b4/0x250 [ 62.880788][ T5840] ? safesetid_security_capable+0xb2/0x1d0 [ 62.886583][ T5840] vfs_get_tree+0x90/0x2b0 [ 62.890996][ T5840] do_new_mount+0x2be/0xb40 [ 62.895493][ T5840] ? __pfx_do_new_mount+0x10/0x10 [ 62.900524][ T5840] __se_sys_mount+0x2d6/0x3c0 [ 62.905198][ T5840] ? __pfx___se_sys_mount+0x10/0x10 [ 62.910384][ T5840] ? do_syscall_64+0x100/0x230 [ 62.915139][ T5840] ? __x64_sys_mount+0x20/0xc0 [ 62.919887][ T5840] do_syscall_64+0xf3/0x230 [ 62.924380][ T5840] ? clear_bhb_loop+0x35/0x90 [ 62.929049][ T5840] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 62.934933][ T5840] RIP: 0033:0x7f246db07dea [ 62.939339][ T5840] 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 [ 62.959046][ T5840] RSP: 002b:00007ffdce796828 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 62.967447][ T5840] RAX: ffffffffffffffda RBX: 00007ffdce796840 RCX: 00007f246db07dea [ 62.975410][ T5840] RDX: 00000000200058c0 RSI: 00000000200002c0 RDI: 00007ffdce796840 [ 62.983364][ T5840] RBP: 0000000000000004 R08: 00007ffdce796880 R09: 0000000000005931 [ 62.991319][ T5840] R10: 0000000000010000 R11: 0000000000000282 R12: 0000000000010000 [ 62.999274][ T5840] R13: 00007ffdce796880 R14: 0000000000000003 R15: 0000000001000000 [ 63.007237][ T5840] [ 63.010236][ T5840] Modules linked in: [ 63.014354][ T5840] ---[ end trace 0000000000000000 ]--- [ 63.019910][ T5840] RIP: 0010:bch2_btree_write_buffer_flush_locked+0x56bd/0x5a20 [ 63.027511][ T5840] Code: c9 fc f4 ff e8 84 20 72 fd 90 0f 0b e8 7c 20 72 fd 90 0f 0b e8 74 20 72 fd 90 0f 0b e8 6c 20 72 fd 90 0f 0b e8 64 20 72 fd 90 <0f> 0b e8 5c 20 72 fd 90 0f 0b e8 e4 bf a5 07 e8 4f 20 72 fd 90 0f [ 63.047143][ T5840] RSP: 0018:ffffc90003e06760 EFLAGS: 00010293 [ 63.053200][ T5840] RAX: ffffffff8423bc6c RBX: fff8af000000000b RCX: ffff88806c390000 [ 63.061187][ T5840] RDX: 0000000000000000 RSI: 00f8af000000000b RDI: fff8af000000000b [ 63.069185][ T5840] RBP: ffffc90003e06bb0 R08: ffffffff84237f1b R09: 0000000000000000 [ 63.077175][ T5840] R10: ffffc90003e06240 R11: fffff520007c0c49 R12: ffffc90004e000f0 [ 63.085164][ T5840] R13: ffff88803225c000 R14: 00f8af000000000b R15: ffffc90004e00000 [ 63.093126][ T5840] FS: 00005555684e7380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 63.102073][ T5840] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.108670][ T5840] CR2: 000055fe8e12f0d8 CR3: 000000007b07a000 CR4: 00000000003526f0 [ 63.116664][ T5840] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.124635][ T5840] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.132736][ T5840] Kernel panic - not syncing: Fatal exception [ 63.139047][ T5840] Kernel Offset: disabled [ 63.143358][ T5840] Rebooting in 86400 seconds..