bcachefs (loop0): alloc_read... done bcachefs (loop0): stripes_read... done bcachefs (loop0): snapshots_read... done bcachefs (loop0): check_allocations... ------------[ cut here ]------------ kernel BUG at fs/bcachefs/bkey.c:298! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5836 Comm: syz.0.16 Not tainted 6.13.0-rc6-syzkaller-ge0daef7de1ac #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:__bkey_unpack_pos+0x781/0x790 fs/bcachefs/bkey.c:298 Code: e8 54 9c 89 fd 48 c7 c7 40 fa f2 8e 4c 89 e6 48 89 da e8 b2 ec e4 00 e9 f4 fc ff ff e8 38 9c 89 fd 90 0f 0b e8 30 9c 89 fd 90 <0f> 0b e8 28 9c 89 fd 90 0f 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 RSP: 0018:ffffc9000288e2c0 EFLAGS: 00010293 RAX: ffffffff8415e7e0 RBX: 0000000000000003 RCX: ffff88801f0f0000 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff8415e135 R09: 0000000000000000 R10: ffffc9000288e380 R11: fffff52000511c72 R12: ffffc9000288e380 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88804d6c1060 FS: 00007fe2132896c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000564c94252a38 CR3: 0000000059480000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bkey_unpack_pos_format_checked fs/bcachefs/bkey.h:456 [inline] bkey_unpack_pos fs/bcachefs/bkey.h:464 [inline] __bch2_bkey_cmp_packed_format_checked_inlined fs/bcachefs/bkey_cmp.h:103 [inline] __bch2_bkey_cmp_packed_format_checked+0x2c7/0x800 fs/bcachefs/bkey.c:1020 bkey_cmp_p_or_unp fs/bcachefs/bset.h:291 [inline] bkey_iter_cmp_p_or_unp fs/bcachefs/bset.h:400 [inline] bch2_bset_search_linear fs/bcachefs/bset.c:1189 [inline] bch2_btree_node_iter_init+0x234b/0x4280 fs/bcachefs/bset.c:1334 __bch2_btree_path_set_pos+0xb8e/0x1710 fs/bcachefs/btree_iter.c:1302 bch2_btree_path_set_pos fs/bcachefs/btree_iter.h:229 [inline] bch2_btree_iter_peek_node+0x7c5/0xed0 fs/bcachefs/btree_iter.c:1915 bch2_gc_btree fs/bcachefs/btree_gc.c:686 [inline] bch2_gc_btrees fs/bcachefs/btree_gc.c:729 [inline] bch2_check_allocations+0x2125/0x7070 fs/bcachefs/btree_gc.c:1133 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:3511 do_mount fs/namespace.c:3851 [inline] __do_sys_mount fs/namespace.c:4061 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4038 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: 0033:0x7fe2123874ca 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:00007fe213288e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fe213288ef0 RCX: 00007fe2123874ca RDX: 00000000200002c0 RSI: 0000000020000380 RDI: 00007fe213288eb0 RBP: 00000000200002c0 R08: 00007fe213288ef0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000380 R13: 00007fe213288eb0 R14: 0000000000005937 R15: 0000000020000300 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__bkey_unpack_pos+0x781/0x790 fs/bcachefs/bkey.c:298 Code: e8 54 9c 89 fd 48 c7 c7 40 fa f2 8e 4c 89 e6 48 89 da e8 b2 ec e4 00 e9 f4 fc ff ff e8 38 9c 89 fd 90 0f 0b e8 30 9c 89 fd 90 <0f> 0b e8 28 9c 89 fd 90 0f 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 RSP: 0018:ffffc9000288e2c0 EFLAGS: 00010293 RAX: ffffffff8415e7e0 RBX: 0000000000000003 RCX: ffff88801f0f0000 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff8415e135 R09: 0000000000000000 R10: ffffc9000288e380 R11: fffff52000511c72 R12: ffffc9000288e380 R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88804d6c1060 FS: 00007fe2132896c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000564c94252a38 CR3: 0000000059480000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400