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 bcachefs (loop0): dropping and reconstructing all alloc info bcachefs (loop0): check_topology... done bcachefs (loop0): accounting_read... done bcachefs (loop0): alloc_read... done bcachefs (loop0): stripes_read... done bcachefs (loop0): snapshots_read... done bcachefs (loop0): check_allocations... done bcachefs (loop0): going read-write bcachefs (loop0): done starting filesystem bucket 0:34 gen 0 data type user sector count overflow: 0 + -8 > U32_MAX while marking u64s 7 type extent 4099:8:U32_MAX len 8 ver 0: durability: 1 crc: c_size 8 size 8 offset 0 nonce 0 csum none 0:0 compress incompressible ptr: 0:34:0 gen 0, continuing bucket 0:34 gen 0 data type user sector count overflow: 0 + -8 > U32_MAX while marking u64s 7 type extent 4099:8:U32_MAX len 8 ver 0: durability: 1 crc: c_size 8 size 8 offset 0 nonce 0 csum none 0:0 compress incompressible ptr: 0:34:0 gen 0, continuing FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 1 CPU: 0 UID: 0 PID: 5330 Comm: syz.0.0 Not tainted 6.12.0-rc6-syzkaller-00077-g2e1b3cc9d7f7 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 fail_dump lib/fault-inject.c:53 [inline] should_fail_ex+0x3b0/0x4e0 lib/fault-inject.c:154 should_failslab+0xac/0x100 mm/failslab.c:46 slab_pre_alloc_hook mm/slub.c:4038 [inline] slab_alloc_node mm/slub.c:4114 [inline] __do_kmalloc_node mm/slub.c:4263 [inline] __kmalloc_node_track_caller_noprof+0xda/0x440 mm/slub.c:4283 __do_krealloc mm/slab_common.c:1220 [inline] krealloc_noprof+0x88/0x120 mm/slab_common.c:1269 bch2_printbuf_make_room+0x1f1/0x350 fs/bcachefs/printbuf.c:59 bch2_prt_vprintf+0x25b/0x700 fs/bcachefs/printbuf.c:169 __bch2_fsck_err+0x2c2/0x1570 fs/bcachefs/error.c:266 bch2_bucket_ref_update+0x8ae/0x12d0 fs/bcachefs/buckets.c:469 __mark_pointer fs/bcachefs/buckets.c:551 [inline] bch2_trigger_pointer fs/bcachefs/buckets.c:590 [inline] __trigger_extent+0x1173/0x4fa0 fs/bcachefs/buckets.c:740 bch2_trigger_extent+0x585/0xaa0 fs/bcachefs/buckets.c:869 bch2_key_trigger fs/bcachefs/bkey_methods.h:87 [inline] bch2_key_trigger_old fs/bcachefs/bkey_methods.h:101 [inline] run_one_trans_trigger fs/bcachefs/btree_trans_commit.c:512 [inline] run_btree_triggers+0xb37/0x1270 fs/bcachefs/btree_trans_commit.c:540 bch2_trans_commit_run_triggers fs/bcachefs/btree_trans_commit.c:572 [inline] __bch2_trans_commit+0x369/0x93c0 fs/bcachefs/btree_trans_commit.c:1057 bch2_trans_commit fs/bcachefs/btree_update.h:184 [inline] bch2_inode_delete_keys+0xae6/0x1440 fs/bcachefs/inode.c:986 bch2_inode_rm+0x17d/0xf60 fs/bcachefs/inode.c:1015 bch2_evict_inode+0x20a/0x3f0 fs/bcachefs/fs.c:1836 evict+0x4e8/0x9b0 fs/inode.c:725 do_unlinkat+0x512/0x830 fs/namei.c:4540 __do_sys_unlink fs/namei.c:4581 [inline] __se_sys_unlink fs/namei.c:4579 [inline] __x64_sys_unlink+0x47/0x50 fs/namei.c:4579 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: 0033:0x7f84a257e719 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007f84a3328038 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 RAX: ffffffffffffffda RBX: 00007f84a2735f80 RCX: 00007f84a257e719 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000 RBP: 00007f84a3328090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 0000000000000000 R14: 00007f84a2735f80 R15: 00007fffb9dcc8b8 Oops: general protection fault, probably for non-canonical address 0xdffffc001fffffff: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: probably user-memory-access in range [0x00000000fffffff8-0x00000000ffffffff] CPU: 0 UID: 0 PID: 5330 Comm: syz.0.0 Not tainted 6.12.0-rc6-syzkaller-00077-g2e1b3cc9d7f7 #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:__bch2_fsck_err+0x30f/0x1570 fs/bcachefs/error.c:270 Code: 4c 8d 7b 0c 4d 89 fc 49 c1 ec 03 43 8a 04 2c 84 c0 0f 85 c9 10 00 00 8b 9c 24 0c 01 00 00 ff cb 4c 01 f3 48 89 d8 48 c1 e8 03 <42> 8a 04 28 84 c0 0f 85 c8 10 00 00 0f b6 1b bf 3f 00 00 00 89 de RSP: 0018:ffffc9000d156280 EFLAGS: 00010207 RAX: 000000001fffffff RBX: 00000000ffffffff RCX: ffff888000a6a440 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020 RBP: ffffc9000d156440 R08: ffffffff84445bdd R09: 00000000ffffffff R10: dffffc0000000000 R11: fffffbfff1d4a42b R12: 1ffff92001a2ac71 R13: dffffc0000000000 R14: 0000000000000000 R15: ffffc9000d15638c FS: 00007f84a33286c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055ed8e2010a8 CR3: 000000003f228000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bch2_bucket_ref_update+0x8ae/0x12d0 fs/bcachefs/buckets.c:469 __mark_pointer fs/bcachefs/buckets.c:551 [inline] bch2_trigger_pointer fs/bcachefs/buckets.c:590 [inline] __trigger_extent+0x1173/0x4fa0 fs/bcachefs/buckets.c:740 bch2_trigger_extent+0x585/0xaa0 fs/bcachefs/buckets.c:869 bch2_key_trigger fs/bcachefs/bkey_methods.h:87 [inline] bch2_key_trigger_old fs/bcachefs/bkey_methods.h:101 [inline] run_one_trans_trigger fs/bcachefs/btree_trans_commit.c:512 [inline] run_btree_triggers+0xb37/0x1270 fs/bcachefs/btree_trans_commit.c:540 bch2_trans_commit_run_triggers fs/bcachefs/btree_trans_commit.c:572 [inline] __bch2_trans_commit+0x369/0x93c0 fs/bcachefs/btree_trans_commit.c:1057 bch2_trans_commit fs/bcachefs/btree_update.h:184 [inline] bch2_inode_delete_keys+0xae6/0x1440 fs/bcachefs/inode.c:986 bch2_inode_rm+0x17d/0xf60 fs/bcachefs/inode.c:1015 bch2_evict_inode+0x20a/0x3f0 fs/bcachefs/fs.c:1836 evict+0x4e8/0x9b0 fs/inode.c:725 do_unlinkat+0x512/0x830 fs/namei.c:4540 __do_sys_unlink fs/namei.c:4581 [inline] __se_sys_unlink fs/namei.c:4579 [inline] __x64_sys_unlink+0x47/0x50 fs/namei.c:4579 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: 0033:0x7f84a257e719 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007f84a3328038 EFLAGS: 00000246 ORIG_RAX: 0000000000000057 RAX: ffffffffffffffda RBX: 00007f84a2735f80 RCX: 00007f84a257e719 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000 RBP: 00007f84a3328090 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 0000000000000000 R14: 00007f84a2735f80 R15: 00007fffb9dcc8b8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__bch2_fsck_err+0x30f/0x1570 fs/bcachefs/error.c:270 Code: 4c 8d 7b 0c 4d 89 fc 49 c1 ec 03 43 8a 04 2c 84 c0 0f 85 c9 10 00 00 8b 9c 24 0c 01 00 00 ff cb 4c 01 f3 48 89 d8 48 c1 e8 03 <42> 8a 04 28 84 c0 0f 85 c8 10 00 00 0f b6 1b bf 3f 00 00 00 89 de RSP: 0018:ffffc9000d156280 EFLAGS: 00010207 RAX: 000000001fffffff RBX: 00000000ffffffff RCX: ffff888000a6a440 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020 RBP: ffffc9000d156440 R08: ffffffff84445bdd R09: 00000000ffffffff R10: dffffc0000000000 R11: fffffbfff1d4a42b R12: 1ffff92001a2ac71 R13: dffffc0000000000 R14: 0000000000000000 R15: ffffc9000d15638c FS: 00007f84a33286c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000003f228000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 4c 8d 7b 0c lea 0xc(%rbx),%r15 4: 4d 89 fc mov %r15,%r12 7: 49 c1 ec 03 shr $0x3,%r12 b: 43 8a 04 2c mov (%r12,%r13,1),%al f: 84 c0 test %al,%al 11: 0f 85 c9 10 00 00 jne 0x10e0 17: 8b 9c 24 0c 01 00 00 mov 0x10c(%rsp),%ebx 1e: ff cb dec %ebx 20: 4c 01 f3 add %r14,%rbx 23: 48 89 d8 mov %rbx,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 8a 04 28 mov (%rax,%r13,1),%al <-- trapping instruction 2e: 84 c0 test %al,%al 30: 0f 85 c8 10 00 00 jne 0x10fe 36: 0f b6 1b movzbl (%rbx),%ebx 39: bf 3f 00 00 00 mov $0x3f,%edi 3e: 89 de mov %ebx,%esi