bcachefs (loop0): bch2_get_scanned_nodes(): recovering subvolumes l=0 POS_MIN - SPOS_MAX bcachefs (loop0): bch2_get_scanned_nodes(): recovering u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq c0bef60d07000640 written 8 min_key POS_MIN durability: 1 ptr: 0:35:0 gen 0 Oops: general protection fault, probably for non-canonical address 0xdffffc000000000e: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000070-0x0000000000000077] CPU: 0 UID: 0 PID: 5305 Comm: syz-executor212 Not tainted 6.13.0-rc1-syzkaller-00337-g7503345ac5f5 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:__lock_acquire+0x6a/0x2100 kernel/locking/lockdep.c:5089 Code: b6 04 30 84 c0 0f 85 f8 16 00 00 45 31 f6 83 3d 7b cd 9e 0e 00 0f 84 c8 13 00 00 89 54 24 60 89 5c 24 38 4c 89 f8 48 c1 e8 03 <80> 3c 30 00 74 12 4c 89 ff e8 a8 ac 8f 00 48 be 00 00 00 00 00 fc RSP: 0018:ffffc9000d0cef50 EFLAGS: 00010002 RAX: 000000000000000e RBX: 0000000000000001 RCX: 0000000000000001 RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 0000000000000070 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff20329a7 R12: ffff888000b8c880 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000070 FS: 000055557a2a8380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd8e5afde0 CR3: 0000000041100000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849 six_lock_ip_waiter+0x9e/0x160 fs/bcachefs/six.c:553 __btree_node_lock_nopath fs/bcachefs/btree_locking.h:225 [inline] btree_node_lock_nopath_nofail fs/bcachefs/btree_locking.h:248 [inline] bch2_check_topology+0x619/0xb20 fs/bcachefs/btree_gc.c:549 bch2_run_recovery_pass+0xf0/0x1e0 fs/bcachefs/recovery_passes.c:191 bch2_run_recovery_passes+0x3a7/0x880 fs/bcachefs/recovery_passes.c:244 bch2_fs_recovery+0x25cc/0x39d0 fs/bcachefs/recovery.c:861 bch2_fs_start+0x356/0x5b0 fs/bcachefs/super.c:1037 bch2_fs_get_tree+0xd68/0x1710 fs/bcachefs/fs.c:2170 vfs_get_tree+0x90/0x2b0 fs/super.c:1814 do_new_mount+0x2be/0xb40 fs/namespace.c:3507 do_mount fs/namespace.c:3847 [inline] __do_sys_mount fs/namespace.c:4057 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4034 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff165df18fa 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 RSP: 002b:00007ffeea454f58 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ffeea454f70 RCX: 00007ff165df18fa RDX: 00000000200000c0 RSI: 0000000020000180 RDI: 00007ffeea454f70 RBP: 0000000000000010 R08: 00007ffeea454fb0 R09: 0000000000005953 R10: 0000000000000010 R11: 0000000000000282 R12: 0000000000000004 R13: 00007ffeea454fb0 R14: 0000000000000003 R15: 0000000001000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__lock_acquire+0x6a/0x2100 kernel/locking/lockdep.c:5089 Code: b6 04 30 84 c0 0f 85 f8 16 00 00 45 31 f6 83 3d 7b cd 9e 0e 00 0f 84 c8 13 00 00 89 54 24 60 89 5c 24 38 4c 89 f8 48 c1 e8 03 <80> 3c 30 00 74 12 4c 89 ff e8 a8 ac 8f 00 48 be 00 00 00 00 00 fc RSP: 0018:ffffc9000d0cef50 EFLAGS: 00010002 RAX: 000000000000000e RBX: 0000000000000001 RCX: 0000000000000001 RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 0000000000000070 RBP: 0000000000000001 R08: 0000000000000001 R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff20329a7 R12: ffff888000b8c880 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000070 FS: 000055557a2a8380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd8e5afde0 CR3: 0000000041100000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: b6 04 mov $0x4,%dh 2: 30 84 c0 0f 85 f8 16 xor %al,0x16f8850f(%rax,%rax,8) 9: 00 00 add %al,(%rax) b: 45 31 f6 xor %r14d,%r14d e: 83 3d 7b cd 9e 0e 00 cmpl $0x0,0xe9ecd7b(%rip) # 0xe9ecd90 15: 0f 84 c8 13 00 00 je 0x13e3 1b: 89 54 24 60 mov %edx,0x60(%rsp) 1f: 89 5c 24 38 mov %ebx,0x38(%rsp) 23: 4c 89 f8 mov %r15,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 80 3c 30 00 cmpb $0x0,(%rax,%rsi,1) <-- trapping instruction 2e: 74 12 je 0x42 30: 4c 89 ff mov %r15,%rdi 33: e8 a8 ac 8f 00 call 0x8face0 38: 48 rex.W 39: be 00 00 00 00 mov $0x0,%esi 3e: 00 fc add %bh,%ah