bcachefs (loop1): stripes_read... done bcachefs (loop1): snapshots_read... done bcachefs (loop1): check_allocations... bcachefs (loop1): bch2_dev_usage_init(): error ENOMEM_disk_accounting Oops: general protection fault, probably for non-canonical address 0xdffffc0000000004: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000020-0x0000000000000027] CPU: 0 PID: 6556 Comm: syz-executor.1 Tainted: G W 6.10.0-rc2-next-20240605-syzkaller #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:bch2_alloc_write_key fs/bcachefs/btree_gc.c:778 [inline] RIP: 0010:bch2_gc_alloc_done fs/bcachefs/btree_gc.c:864 [inline] RIP: 0010:bch2_check_allocations+0x2958/0xb9d0 fs/bcachefs/btree_gc.c:1129 Code: 0f b6 04 38 84 c0 0f 85 77 1d 00 00 48 8b b4 24 9c 07 00 00 48 89 df e8 26 01 01 00 48 89 c3 48 8d 78 01 48 89 f8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 0f 85 6c 1d 00 00 4c 89 b4 24 f8 00 00 00 44 RSP: 0018:ffffc900034de240 EFLAGS: 00010202 RAX: 0000000000000004 RBX: 0000000000000020 RCX: 0000000000040000 RDX: ffffc90009dcc000 RSI: 000000000003ffff RDI: 0000000000000021 RBP: ffffc900034df088 R08: ffffffff840fb171 R09: 1ffffffff25f8704 R10: dffffc0000000000 R11: fffffbfff25f8705 R12: ffffc900034de8ec R13: ffffc900034de8f8 R14: ffffc900034de9e3 R15: dffffc0000000000 FS: 00007ff5695de6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7c248e66e4 CR3: 0000000022dac000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bch2_run_recovery_pass+0xf0/0x1e0 fs/bcachefs/recovery_passes.c:183 bch2_run_recovery_passes+0x19e/0x820 fs/bcachefs/recovery_passes.c:226 bch2_fs_recovery+0x238b/0x3730 fs/bcachefs/recovery.c:846 bch2_fs_start+0x356/0x5b0 fs/bcachefs/super.c:1017 bch2_fs_open+0xa8d/0xdf0 fs/bcachefs/super.c:2113 bch2_mount fs/bcachefs/fs.c:1908 [inline] bch2_fs_get_tree+0x75e/0x14d0 fs/bcachefs/fs.c:2069 vfs_get_tree+0x90/0x2a0 fs/super.c:1780 do_new_mount+0x2be/0xb40 fs/namespace.c:3352 do_mount fs/namespace.c:3692 [inline] __do_sys_mount fs/namespace.c:3898 [inline] __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3875 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: 0033:0x7ff56887e5ea Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ff5695ddef8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ff5695ddf80 RCX: 00007ff56887e5ea RDX: 0000000020000000 RSI: 0000000020000700 RDI: 00007ff5695ddf40 RBP: 0000000020000000 R08: 00007ff5695ddf80 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000700 R13: 00007ff5695ddf40 R14: 0000000000005b69 R15: 0000000020000200 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bch2_alloc_write_key fs/bcachefs/btree_gc.c:778 [inline] RIP: 0010:bch2_gc_alloc_done fs/bcachefs/btree_gc.c:864 [inline] RIP: 0010:bch2_check_allocations+0x2958/0xb9d0 fs/bcachefs/btree_gc.c:1129 Code: 0f b6 04 38 84 c0 0f 85 77 1d 00 00 48 8b b4 24 9c 07 00 00 48 89 df e8 26 01 01 00 48 89 c3 48 8d 78 01 48 89 f8 48 c1 e8 03 <42> 0f b6 04 38 84 c0 0f 85 6c 1d 00 00 4c 89 b4 24 f8 00 00 00 44 RSP: 0018:ffffc900034de240 EFLAGS: 00010202 RAX: 0000000000000004 RBX: 0000000000000020 RCX: 0000000000040000 RDX: ffffc90009dcc000 RSI: 000000000003ffff RDI: 0000000000000021 RBP: ffffc900034df088 R08: ffffffff840fb171 R09: 1ffffffff25f8704 R10: dffffc0000000000 R11: fffffbfff25f8705 R12: ffffc900034de8ec R13: ffffc900034de8f8 R14: ffffc900034de9e3 R15: dffffc0000000000 FS: 00007ff5695de6c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7c248e66e4 CR3: 0000000022dac000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 0f b6 04 38 movzbl (%rax,%rdi,1),%eax 4: 84 c0 test %al,%al 6: 0f 85 77 1d 00 00 jne 0x1d83 c: 48 8b b4 24 9c 07 00 mov 0x79c(%rsp),%rsi 13: 00 14: 48 89 df mov %rbx,%rdi 17: e8 26 01 01 00 call 0x10142 1c: 48 89 c3 mov %rax,%rbx 1f: 48 8d 78 01 lea 0x1(%rax),%rdi 23: 48 89 f8 mov %rdi,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 42 0f b6 04 38 movzbl (%rax,%r15,1),%eax <-- trapping instruction 2f: 84 c0 test %al,%al 31: 0f 85 6c 1d 00 00 jne 0x1da3 37: 4c 89 b4 24 f8 00 00 mov %r14,0xf8(%rsp) 3e: 00 3f: 44 rex.R