bcachefs (loop0): running explicit recovery pass reconstruct_snapshots (21), currently at snapshots_read (7) done bcachefs (loop0): check_allocations... ------------[ cut here ]------------ kernel BUG at fs/bcachefs/bkey.c:298! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 0 UID: 0 PID: 6139 Comm: syz.0.16 Not tainted 6.14.0-syzkaller-13524-gf4d2ef48250a #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:__bkey_unpack_pos+0x781/0x790 fs/bcachefs/bkey.c:298 Code: e8 b4 72 76 fd 48 c7 c7 10 2d 35 8f 4c 89 e6 48 89 da e8 52 04 ec 00 e9 f4 fc ff ff e8 98 72 76 fd 90 0f 0b e8 90 72 76 fd 90 <0f> 0b e8 88 72 76 fd 90 0f 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 RSP: 0018:ffffc90002eb5de0 EFLAGS: 00010293 RAX: ffffffff844cd3f0 RBX: 0000000000000003 RCX: ffff8880320e8000 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff844ccd45 R09: 0000000000000000 R10: ffffc90002eb5ea0 R11: fffff520005d6bd6 R12: ffffc90002eb5ea0 R13: dffffc0000000000 R14: ffffffff00000100 R15: ffff888060d208b0 FS: 00007fb779e496c0(0000) GS:ffff888124fc9000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd1e59de48 CR3: 00000000326c0000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bkey_unpack_pos_format_checked fs/bcachefs/bkey.h:449 [inline] bkey_unpack_pos fs/bcachefs/bkey.h:457 [inline] __bch2_bkey_cmp_packed_format_checked_inlined fs/bcachefs/bkey_cmp.h:103 [inline] __bch2_bkey_cmp_packed_format_checked+0x2c9/0x800 fs/bcachefs/bkey.c:1020 bkey_cmp_p_or_unp fs/bcachefs/bset.h:291 [inline] bset_search_tree fs/bcachefs/bset.c:1121 [inline] __bch2_bset_search fs/bcachefs/bset.c:1173 [inline] bch2_btree_node_iter_init+0x1089/0x42e0 fs/bcachefs/bset.c:1326 __btree_path_level_init fs/bcachefs/btree_iter.c:603 [inline] bch2_btree_path_level_init+0x4e4/0xa00 fs/bcachefs/btree_iter.c:623 btree_path_lock_root fs/bcachefs/btree_iter.c:773 [inline] bch2_btree_path_traverse_one+0x10af/0x2970 fs/bcachefs/btree_iter.c:1189 bch2_btree_path_traverse fs/bcachefs/btree_iter.h:248 [inline] __bch2_btree_iter_peek fs/bcachefs/btree_iter.c:2243 [inline] bch2_btree_iter_peek_max+0xb9b/0x61a0 fs/bcachefs/btree_iter.c:2347 bch2_btree_iter_peek_max_type fs/bcachefs/btree_iter.h:702 [inline] bch2_gc_btree fs/bcachefs/btree_gc.c:677 [inline] bch2_gc_btrees fs/bcachefs/btree_gc.c:740 [inline] bch2_check_allocations+0x129b/0x6930 fs/bcachefs/btree_gc.c:1042 bch2_run_recovery_pass+0xf0/0x1e0 fs/bcachefs/recovery_passes.c:226 bch2_run_recovery_passes+0x2ad/0xa90 fs/bcachefs/recovery_passes.c:285 bch2_fs_recovery+0x292a/0x3e20 fs/bcachefs/recovery.c:936 bch2_fs_start+0x310/0x620 fs/bcachefs/super.c:1069 bch2_fs_get_tree+0x113e/0x18f0 fs/bcachefs/fs.c:2253 vfs_get_tree+0x90/0x2b0 fs/super.c:1759 do_new_mount+0x2cf/0xb70 fs/namespace.c:3879 do_mount fs/namespace.c:4219 [inline] __do_sys_mount fs/namespace.c:4430 [inline] __se_sys_mount+0x38c/0x400 fs/namespace.c:4407 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb778f874ca 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:00007fb779e48e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fb779e48ef0 RCX: 00007fb778f874ca RDX: 0000000020000000 RSI: 0000000020005900 RDI: 00007fb779e48eb0 RBP: 0000000020000000 R08: 00007fb779e48ef0 R09: 0000000001000000 R10: 0000000001000000 R11: 0000000000000246 R12: 0000000020005900 R13: 00007fb779e48eb0 R14: 00000000000059aa R15: 0000000020000040 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__bkey_unpack_pos+0x781/0x790 fs/bcachefs/bkey.c:298 Code: e8 b4 72 76 fd 48 c7 c7 10 2d 35 8f 4c 89 e6 48 89 da e8 52 04 ec 00 e9 f4 fc ff ff e8 98 72 76 fd 90 0f 0b e8 90 72 76 fd 90 <0f> 0b e8 88 72 76 fd 90 0f 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 RSP: 0018:ffffc90002eb5de0 EFLAGS: 00010293 RAX: ffffffff844cd3f0 RBX: 0000000000000003 RCX: ffff8880320e8000 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff844ccd45 R09: 0000000000000000 R10: ffffc90002eb5ea0 R11: fffff520005d6bd6 R12: ffffc90002eb5ea0 R13: dffffc0000000000 R14: ffffffff00000100 R15: ffff888060d208b0 FS: 00007fb779e496c0(0000) GS:ffff888124fc9000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffd1e59de48 CR3: 00000000326c0000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400