./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2715796290 <...> Warning: Permanently added '10.128.0.27' (ED25519) to the list of known hosts. execve("./syz-executor2715796290", ["./syz-executor2715796290"], 0x7ffe71cd9940 /* 10 vars */) = 0 brk(NULL) = 0x555556b44000 brk(0x555556b44d00) = 0x555556b44d00 arch_prctl(ARCH_SET_FS, 0x555556b44380) = 0 set_tid_address(0x555556b44650) = 5852 set_robust_list(0x555556b44660, 24) = 0 rseq(0x555556b44ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2715796290", 4096) = 28 getrandom("\x45\x1a\xd8\xf8\xc2\x36\xf2\x3c", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555556b44d00 brk(0x555556b65d00) = 0x555556b65d00 brk(0x555556b66000) = 0x555556b66000 mprotect(0x7f8e212c4000, 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 write(1, "executing program\n", 18executing program ) = 18 memfd_create("syzkaller", 0) = 3 mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8e18e00000 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 munmap(0x7f8e18e00000, 138412032) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 close(4) = 0 mkdir("./file1", 0777) = 0 [ 74.591404][ T5852] loop0: detected capacity change from 0 to 32768 [ 74.679108][ T5852] bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=metadata_checksum=none,data_checksum=none,compression=lz4,fsck,fix_errors=yes,norecovery,nojournal_transaction_names,reconstruct_alloc,no_data_io [ 74.700918][ T5852] invalid bkey 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 unwritten [ 74.700941][ T5852] has unwritten ptrs: delete?, fixing [ 74.722252][ T5852] bcachefs (loop0): recovering from clean shutdown, journal seq 10 [ 74.730804][ T5852] bcachefs (loop0): Version upgrade required: [ 74.730804][ T5852] Version upgrade from 0.24: unwritten_extents to 1.7: mi_btree_bitmap incomplete [ 74.730804][ T5852] Doing incompatible version upgrade from 0.24: unwritten_extents to 1.13: inode_has_child_snapshots [ 74.730804][ T5852] 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 [ 74.804615][ T5852] bcachefs (loop0): dropping and reconstructing all alloc info [ 74.815551][ T5852] invalid btree root btree=extents level=0, fixing [ 74.822249][ T5852] bcachefs (loop0): flagging btree extents lost data [ 74.829122][ T5852] bcachefs (loop0): running explicit recovery pass scan_for_btree_nodes (0), currently at scan_for_btree_nodes (0) [ 74.846735][ T5852] bcachefs (loop0): flagging btree xattrs lost data [ 74.855749][ T5852] error reading btree root btree=xattrs level=0: btree_node_read_error, fixing [ 74.869495][ T5852] bcachefs (loop0): scan_for_btree_nodes... [ 74.894935][ T5852] bch2_scan_for_btree_nodes: nodes found after overwrites: [ 74.894961][ T5852] btree=extents level=0 seq=1 journal_seq=5 cookie=c6c25c03258c59c5 POS_MIN-SPOS_MAX ptr: 0:27:0 gen 0 [ 74.894972][ T5852] btree=inodes level=0 seq=1 journal_seq=5 cookie=7589ab5e0c11cc7a POS_MIN-SPOS_MAX ptr: 0:38:0 gen 0 [ 74.894983][ T5852] btree=dirents level=0 seq=1 journal_seq=4 cookie=9aa2895aefce4bdf POS_MIN-SPOS_MAX ptr: 0:41:0 gen 0 [ 74.894995][ T5852] btree=xattrs level=0 seq=1 journal_seq=4 cookie=2285c34bed0abe32 POS_MIN-U64_MAX:18374686479671623680:50331647 ptr: 0:31:0 gen 0 [ 74.895008][ T5852] btree=subvolumes level=0 seq=1 journal_seq=4294967297 cookie=c0bef60d07ceb940 POS_MIN-SPOS_MAX ptr: 0:35:0 gen 0 [ 74.895019][ T5852] btree=snapshots level=0 seq=1 journal_seq=1 cookie=ebb8d5a9e3463bdb POS_MIN-SPOS_MAX ptr: 0:32:0 gen 0 [ 74.895030][ T5852] btree=deleted_inodes level=0 seq=1 journal_seq=0 cookie=1db8f60c84bb244c POS_MIN-SPOS_MAX ptr: 0:42:0 gen 0 [ 74.895041][ T5852] [ 74.993674][ T5852] done [ 74.997802][ T5852] bcachefs (loop0): check_topology... [ 74.998013][ T5852] bcachefs (loop0): btree root extents unreadable, must recover from scan [ 75.012274][ T5852] bcachefs (loop0): bch2_get_scanned_nodes(): recovery btree=extents level=0 POS_MIN - SPOS_MAX [ 75.023038][ T5852] bcachefs (loop0): bch2_get_scanned_nodes(): recovering 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 [ 75.044065][ T26] bcachefs (loop0): error validating btree node at btree extents level 0/0 [ 75.044089][ T26] 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 [ 75.044102][ T26] node offset 8/16 bset u64s 49 bset byte offset 232: keys out of order: u64s 7 type inline_data 536870976:8:U32_MAX len 8 ver 0 > u64s 7 type extent 536870913:24:U32_MAX len 24 ver 0, fixing [ 75.086553][ T26] bcachefs (loop0): btree_node_read_work: rewriting btree node at due to error [ 75.086553][ T26] btree=extents level=0 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 [ 75.112510][ T5852] bcachefs (loop0): btree root extentsinodesdirentsxattrs unreadable, must recover from scan [ 75.122884][ T5852] bcachefs (loop0): bch2_get_scanned_nodes(): recovery btree=xattrs level=0 POS_MIN - SPOS_MAX [ 75.133488][ T5852] bcachefs (loop0): bch2_get_scanned_nodes(): recovering u64s 11 type btree_ptr_v2 U64_MAX:18374686479671623680:50331647 len 0 ver 0: seq 2285c34bed0abe32 written 16 min_key POS_MIN durability: 1 ptr: 0:31:0 gen 0 [ 75.156300][ T5852] btree node with incorrect max_key at btree=xattrs level=1: [ 75.156322][ T5852] parent: u64s 5 type btree_ptr SPOS_MAX len 0 ver 0 [ 75.156331][ T5852] child: u64s 11 type btree_ptr_v2 U64_MAX:18374686479671623680:50331647 len 0 ver 0: seq 2285c34bed0abe32 written 16 min_key POS_MIN durability: 1 ptr: 0:31:0 gen 0, fixing [ 75.188550][ T5852] bcachefs (loop0): bch2_get_scanned_nodes(): recovery btree=xattrs level=0 U64_MAX:18374686479671623680:50331648 - SPOS_MAX [ 75.202057][ T5852] bcachefs (loop0): set_node_max(): u64s 11 type btree_ptr_v2 U64_MAX:18374686479671623680:50331647 len 0 ver 0: seq 2285c34bed0abe32 written 16 min_key POS_MIN durability: 1 ptr: 0:31:0 gen 0 -> SPOS_MAX [ 75.222734][ T5852] ------------[ cut here ]------------ [ 75.228347][ T5852] kernel BUG at fs/bcachefs/btree_cache.c:280! [ 75.234624][ T5852] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 75.241600][ T5852] CPU: 1 UID: 0 PID: 5852 Comm: syz-executor271 Not tainted 6.12.0-rc6-next-20241105-syzkaller #0 [ 75.252187][ T5852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 75.262246][ T5852] RIP: 0010:__bch2_btree_node_hash_insert+0x12ed/0x1310 [ 75.269209][ T5852] Code: f6 fd e9 9d f5 ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c f2 f7 ff ff 48 89 df e8 2e d5 f6 fd e9 e5 f7 ff ff e8 04 74 8c fd 90 <0f> 0b e8 fc 73 8c fd 90 0f 0b e8 f4 73 8c fd 90 0f 0b e8 1c 6c bc [ 75.288809][ T5852] RSP: 0018:ffffc90003a7e640 EFLAGS: 00010293 [ 75.294892][ T5852] RAX: ffffffff840963bc RBX: ffff888024095228 RCX: ffff888034f9da00 [ 75.302876][ T5852] RDX: 0000000000000000 RSI: ffff888024095000 RDI: ffff888076481a90 [ 75.310843][ T5852] RBP: ffffc90003a7e770 R08: 0000000000000000 R09: 0000000000000000 [ 75.318804][ T5852] R10: 0000000000000000 R11: 000000000001f001 R12: 1ffff11004812a45 [ 75.326771][ T5852] R13: dffffc0000000000 R14: ffff888076481a90 R15: ffff888024095000 [ 75.334738][ T5852] FS: 0000555556b44380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 75.343666][ T5852] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.350283][ T5852] CR2: 0000565043db17b0 CR3: 0000000012512000 CR4: 00000000003526f0 [ 75.358547][ T5852] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.366552][ T5852] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.374566][ T5852] Call Trace: [ 75.377859][ T5852] [ 75.380806][ T5852] ? __die_body+0x5f/0xb0 [ 75.385177][ T5852] ? die+0x9e/0xc0 [ 75.388918][ T5852] ? do_trap+0x15a/0x3a0 [ 75.393204][ T5852] ? __bch2_btree_node_hash_insert+0x12ed/0x1310 [ 75.399540][ T5852] ? do_error_trap+0x1dc/0x2c0 [ 75.404315][ T5852] ? __bch2_btree_node_hash_insert+0x12ed/0x1310 [ 75.410645][ T5852] ? __sanitizer_cov_trace_cmp8+0x2f/0x90 [ 75.416372][ T5852] ? __pfx_do_error_trap+0x10/0x10 [ 75.421493][ T5852] ? handle_invalid_op+0x34/0x40 [ 75.426431][ T5852] ? __bch2_btree_node_hash_insert+0x12ed/0x1310 [ 75.432762][ T5852] ? exc_invalid_op+0x38/0x50 [ 75.437475][ T5852] ? asm_exc_invalid_op+0x1a/0x20 [ 75.442508][ T5852] ? __bch2_btree_node_hash_insert+0x12ec/0x1310 [ 75.448864][ T5852] ? __bch2_btree_node_hash_insert+0x12ed/0x1310 [ 75.455550][ T5852] ? __bch2_btree_node_hash_remove+0xe0/0xed0 [ 75.461690][ T5852] ? __pfx___bch2_btree_node_hash_remove+0x10/0x10 [ 75.468234][ T5852] ? __pfx___bch2_btree_node_hash_insert+0x10/0x10 [ 75.474760][ T5852] ? __kasan_kmalloc+0x98/0xb0 [ 75.479544][ T5852] ? set_node_max+0x529/0x710 [ 75.484240][ T5852] set_node_max+0x542/0x710 [ 75.488778][ T5852] ? __pfx_set_node_max+0x10/0x10 [ 75.493818][ T5852] ? bch2_btree_repair_topology_recurse+0x5a2a/0x6c10 [ 75.500605][ T5852] bch2_btree_repair_topology_recurse+0x5a7c/0x6c10 [ 75.507228][ T5852] ? __pfx_bch2_btree_repair_topology_recurse+0x10/0x10 [ 75.514182][ T5852] ? __pfx_bch2_journal_key_insert_take+0x10/0x10 [ 75.520626][ T5852] ? trace_kmalloc+0x1f/0xd0 [ 75.525223][ T5852] ? bch2_journal_key_insert+0x8e/0x130 [ 75.530793][ T5852] ? __pfx_bch2_get_scanned_nodes+0x10/0x10 [ 75.536706][ T5852] ? six_unlock_ip+0x2ce/0x3e0 [ 75.541494][ T5852] ? __do_six_trylock+0x832/0x9f0 [ 75.546545][ T5852] ? __pfx___do_six_trylock+0x10/0x10 [ 75.551936][ T5852] ? bch2_check_topology+0x5e0/0xba0 [ 75.557318][ T5852] ? six_lock_ip_waiter+0xe5/0x160 [ 75.562430][ T5852] ? __pfx_bch2_six_check_for_deadlock+0x10/0x10 [ 75.568767][ T5852] bch2_check_topology+0x6d4/0xba0 [ 75.573896][ T5852] ? tick_nohz_tick_stopped+0x82/0xb0 [ 75.579366][ T5852] ? bch2_check_topology+0x5e0/0xba0 [ 75.584753][ T5852] ? __pfx_bch2_check_topology+0x10/0x10 [ 75.590405][ T5852] ? __bch2_print+0x17a/0x220 [ 75.595093][ T5852] ? bch2_run_recovery_pass+0x6d/0x1e0 [ 75.600667][ T5852] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 75.607019][ T5852] ? _raw_spin_lock_irq+0xdf/0x120 [ 75.612150][ T5852] bch2_run_recovery_pass+0xf0/0x1e0 [ 75.617455][ T5852] bch2_run_recovery_passes+0x290/0x9f0 [ 75.623022][ T5852] bch2_fs_recovery+0x25cc/0x39b0 [ 75.628063][ T5852] ? __pfx_bch2_fs_recovery+0x10/0x10 [ 75.633458][ T5852] ? __pfx_lock_release+0x10/0x10 [ 75.638503][ T5852] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 75.644147][ T5852] ? __pfx_lock_release+0x10/0x10 [ 75.649181][ T5852] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 75.654836][ T5852] ? bch2_get_next_online_dev+0x4b9/0x4f0 [ 75.660567][ T5852] ? bch2_get_next_online_dev+0x2b/0x4f0 [ 75.666211][ T5852] ? llist_reverse_order+0x72/0x90 [ 75.671331][ T5852] bch2_fs_start+0x37c/0x610 [ 75.675940][ T5852] bch2_fs_get_tree+0xd68/0x1710 [ 75.680914][ T5852] ? __pfx_bch2_fs_get_tree+0x10/0x10 [ 75.686298][ T5852] ? generic_parse_monolithic+0x387/0x400 [ 75.692030][ T5852] ? apparmor_capable+0x13b/0x1b0 [ 75.697073][ T5852] vfs_get_tree+0x90/0x2b0 [ 75.701512][ T5852] do_new_mount+0x2be/0xb40 [ 75.706030][ T5852] ? __pfx_do_new_mount+0x10/0x10 [ 75.711065][ T5852] __se_sys_mount+0x2d6/0x3c0 [ 75.715776][ T5852] ? __pfx___se_sys_mount+0x10/0x10 [ 75.721009][ T5852] ? do_syscall_64+0x100/0x230 [ 75.725802][ T5852] ? __x64_sys_mount+0x20/0xc0 [ 75.730582][ T5852] do_syscall_64+0xf3/0x230 [ 75.735098][ T5852] ? clear_bhb_loop+0x35/0x90 [ 75.739800][ T5852] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 75.745702][ T5852] RIP: 0033:0x7f8e2124c97a [ 75.750138][ T5852] 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 [ 75.769750][ T5852] RSP: 002b:00007ffed1259738 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 75.778175][ T5852] RAX: ffffffffffffffda RBX: 00007ffed1259750 RCX: 00007f8e2124c97a [ 75.786150][ T5852] RDX: 0000000020000180 RSI: 0000000020000000 RDI: 00007ffed1259750 [ 75.794146][ T5852] RBP: 0000000000000004 R08: 00007ffed1259790 R09: 00000000000059b6 [ 75.802128][ T5852] R10: 0000000000800008 R11: 0000000000000282 R12: 0000000000800008 [ 75.810109][ T5852] R13: 00007ffed1259790 R14: 0000000000000003 R15: 0000000001000000 [ 75.818093][ T5852] [ 75.821115][ T5852] Modules linked in: [ 75.825162][ T5852] ---[ end trace 0000000000000000 ]--- [ 75.830741][ T5852] RIP: 0010:__bch2_btree_node_hash_insert+0x12ed/0x1310 [ 75.837727][ T5852] Code: f6 fd e9 9d f5 ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c f2 f7 ff ff 48 89 df e8 2e d5 f6 fd e9 e5 f7 ff ff e8 04 74 8c fd 90 <0f> 0b e8 fc 73 8c fd 90 0f 0b e8 f4 73 8c fd 90 0f 0b e8 1c 6c bc [ 75.857455][ T5852] RSP: 0018:ffffc90003a7e640 EFLAGS: 00010293 [ 75.863622][ T5852] RAX: ffffffff840963bc RBX: ffff888024095228 RCX: ffff888034f9da00 [ 75.871748][ T5852] RDX: 0000000000000000 RSI: ffff888024095000 RDI: ffff888076481a90 [ 75.879807][ T5852] RBP: ffffc90003a7e770 R08: 0000000000000000 R09: 0000000000000000 [ 75.887799][ T5852] R10: 0000000000000000 R11: 000000000001f001 R12: 1ffff11004812a45 [ 75.895834][ T5852] R13: dffffc0000000000 R14: ffff888076481a90 R15: ffff888024095000 [ 75.903845][ T5852] FS: 0000555556b44380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 75.912833][ T5852] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.919658][ T5852] CR2: 00005571a0039038 CR3: 0000000012512000 CR4: 00000000003526f0 [ 75.927649][ T5852] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.935698][ T5852] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.943731][ T5852] Kernel panic - not syncing: Fatal exception [ 75.950102][ T5852] Kernel Offset: disabled [ 75.954444][ T5852] Rebooting in 86400 seconds..