loop0: detected capacity change from 0 to 32768 bcachefs (baafa011-d992-4344-aaf9-4ff0e0bec0ff): Using encoding defined by superblock: utf8-12.1.0 bcachefs (loop0): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,background_compression=zstd,nojournal_transaction_names,no_data_io allowing incompatible features above 0.0: (unknown version) bcachefs (loop0): recovering from clean shutdown, journal seq 13 bcachefs (loop0): Version upgrade required: Version upgrade from 0.32: (unknown version) to 1.7: mi_btree_bitmap incomplete Doing incompatible version upgrade from 0.32: (unknown version) to 1.25: extent_flags running recovery passes: check_allocations,check_extents_to_backpointers,check_snapshots,check_subvols,check_inodes,check_dirents,set_fs_needs_rebalance bcachefs (loop0): bcachefs (loop0): error validating btree node on loop0 at btree inodes level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 32768: seq 2a20405ac3f40602 written 24 min_key POS_MIN durability: 1 ptr: 0:38:0 gen 0 node offset 8/24 bset u64s 29: checksum error, type chacha20_poly1305_128: got f8456eb9a83e831f81f0fce6813a84d4 should be ef30dab84eb82d57729a51b00f54184b, fixing bcachefs (loop0): bcachefs (loop0): error validating btree node at btree inodes level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 32768: seq 2a20405ac3f40602 written 24 min_key POS_MIN durability: 1 ptr: 0:38:0 gen 0 node offset 8/24 bset u64s 29 bset byte offset 40: key extends past end of bset, fixing bcachefs (loop0): bcachefs (loop0): error validating btree node on loop0 at btree inodes level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 32768: seq 2a20405ac3f40602 written 24 min_key POS_MIN durability: 1 ptr: 0:38:0 gen 0 node offset 16/24 bset u64s 110: checksum error, type chacha20_poly1305_128: got 7fbd27a124e13b7b7b21a52cb822623b should be d1e256903dc89dd6436b0db8b45d2093, fixing bcachefs (loop0): invalid bkey in btree_node btree=inodes level=0: u64s 18 type inode_v3 0:4100:U32_MAX len 0 ver 0: (unpack error) invalid variable length fields, deleting bcachefs (loop0): btree_node_read_work: rewriting btree node at due to error btree=inodes level=0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 32768: seq 2a20405ac3f40602 written 24 min_key POS_MIN durability: 1 ptr: 0:38:0 gen 0 bcachefs (loop0): running explicit recovery pass check_topology (2), currently at recovery_pass_empty (0) bcachefs (loop0): bcachefs (loop0): error validating btree node on loop0 at btree backpointers level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 3b468546fb27822d written 24 min_key 0:0:8 durability: 1 ptr: 0:36:0 gen 0 node offset 0/24: incorrect min_key: got POS_MIN should be 0:0:8, btree topology error: bcachefs (loop0): flagging btree backpointers lost data bcachefs (loop0): running explicit recovery pass check_lrus (14), currently at recovery_pass_empty (0) bcachefs (loop0): running explicit recovery pass check_backpointers_to_extents (16), currently at recovery_pass_empty (0) bcachefs (loop0): running explicit recovery pass check_btree_backpointers (15), currently at recovery_pass_empty (0) bcachefs (loop0): error reading btree root btree=backpointers level=0: btree_node_read_error, fixing bcachefs (loop0): bcachefs (loop0): error validating btree node on loop0 at btree (unknown btree 38) level 0/0 u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq b6c44d07df4e9bb7 written 48 min_key POS_MIN durability: 1 ptr: 0:29:0 gen 0 node offset 0/48 bset u64s 0: incorrect btree id, btree topology error: bcachefs (loop0): flagging btree (unknown btree 38) lost data bcachefs (loop0): running explicit recovery pass scan_for_btree_nodes (1), currently at recovery_pass_empty (0) bcachefs (loop0): error reading btree root btree=(unknown btree 38) level=0: btree_node_read_error, fixing bcachefs (loop0): scan_for_btree_nodes... bcachefs (loop0): btree node scan found 7 nodes after overwrites done bcachefs (loop0): check_topology... Oops: general protection fault, probably for non-canonical address 0xdffffc000000000e: 0000 [#1] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000070-0x0000000000000077] CPU: 0 UID: 0 PID: 5332 Comm: syz.0.0 Not tainted 6.15.0-rc7-syzkaller-00082-g5cdb2c77c4c3 #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:kasan_byte_accessible+0x12/0x30 mm/kasan/generic.c:199 Code: 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 c1 ef 03 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 07 3c 08 0f 92 c0 e9 40 7f 37 09 cc 66 66 66 66 66 66 2e RSP: 0018:ffffc9000d127018 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffffffff84485883 RCX: 4db94d89ab6eb400 RDX: 0000000000000000 RSI: ffffffff84485883 RDI: 000000000000000e RBP: ffffffff8417d0bc R08: 0000000000000001 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffed1006717c73 R12: 0000000000000001 R13: 0000000000000070 R14: 0000000000000070 R15: 0000000000000001 FS: 00007f8d2a09f6c0(0000) GS:ffff88808d6c2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd43bc7488 CR3: 000000003e5f6000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __kasan_check_byte+0x12/0x40 mm/kasan/common.c:556 kasan_check_byte include/linux/kasan.h:399 [inline] lock_acquire+0x8d/0x360 kernel/locking/lockdep.c:5840 six_lock_ip_waiter+0xa3/0x170 fs/bcachefs/six.c:553 __btree_node_lock_nopath fs/bcachefs/btree_locking.h:229 [inline] btree_node_lock_nopath_nofail fs/bcachefs/btree_locking.h:252 [inline] bch2_check_topology+0x5f1/0xae0 fs/bcachefs/btree_gc.c:576 bch2_run_recovery_pass+0xe2/0x1d0 fs/bcachefs/recovery_passes.c:227 bch2_run_recovery_passes+0x2a0/0xdb0 fs/bcachefs/recovery_passes.c:280 bch2_fs_recovery+0x2399/0x37b0 fs/bcachefs/recovery.c:937 bch2_fs_start+0x70b/0xae0 fs/bcachefs/super.c:1096 bch2_fs_get_tree+0xad7/0x13b0 fs/bcachefs/fs.c:2507 vfs_get_tree+0x8f/0x2b0 fs/super.c:1759 do_new_mount+0x24a/0xa40 fs/namespace.c:3881 do_mount fs/namespace.c:4221 [inline] __do_sys_mount fs/namespace.c:4432 [inline] __se_sys_mount+0x317/0x410 fs/namespace.c:4409 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8d2919010a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8d2a09ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f8d2a09eef0 RCX: 00007f8d2919010a RDX: 000020000000f640 RSI: 0000200000000140 RDI: 00007f8d2a09eeb0 RBP: 000020000000f640 R08: 00007f8d2a09eef0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000140 R13: 00007f8d2a09eeb0 R14: 000000000000f627 R15: 0000200000002280 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:kasan_byte_accessible+0x12/0x30 mm/kasan/generic.c:199 Code: 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 c1 ef 03 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 07 3c 08 0f 92 c0 e9 40 7f 37 09 cc 66 66 66 66 66 66 2e RSP: 0018:ffffc9000d127018 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffffffff84485883 RCX: 4db94d89ab6eb400 RDX: 0000000000000000 RSI: ffffffff84485883 RDI: 000000000000000e RBP: ffffffff8417d0bc R08: 0000000000000001 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffed1006717c73 R12: 0000000000000001 R13: 0000000000000070 R14: 0000000000000070 R15: 0000000000000001 FS: 00007f8d2a09f6c0(0000) GS:ffff88808d6c2000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd43bc7488 CR3: 000000003e5f6000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) 7: 00 8: 90 nop 9: 90 nop a: 90 nop b: 90 nop c: 90 nop d: 90 nop e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 66 0f 1f 00 nopw (%rax) 1c: 48 c1 ef 03 shr $0x3,%rdi 20: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 27: fc ff df * 2a: 0f b6 04 07 movzbl (%rdi,%rax,1),%eax <-- trapping instruction 2e: 3c 08 cmp $0x8,%al 30: 0f 92 c0 setb %al 33: e9 40 7f 37 09 jmp 0x9377f78 38: cc int3 39: 66 data16 3a: 66 data16 3b: 66 data16 3c: 66 data16 3d: 66 data16 3e: 66 data16 3f: 2e cs