bcachefs (loop0): flushing journal and stopping allocators complete, journal seq 13 bcachefs (loop0): unshutdown complete, journal seq 14 bcachefs (loop0): done going read-only, filesystem not clean bcachefs (loop0): shutdown complete ------------[ cut here ]------------ kernel BUG at fs/bcachefs/btree_cache.c:594! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 0 UID: 0 PID: 5959 Comm: syz-executor586 Not tainted 6.12.0-rc5-syzkaller-00063-g0fc810ae3ae1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:bch2_fs_btree_cache_exit+0x1124/0x1130 fs/bcachefs/btree_cache.c:593 Code: fd 90 0f 0b e8 2d 3c 84 fd 90 0f 0b e8 25 3c 84 fd 90 0f 0b e8 1d 3c 84 fd 90 0f 0b e8 15 3c 84 fd 90 0f 0b e8 0d 3c 84 fd 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc90003bd7838 EFLAGS: 00010293 RAX: ffffffff84109db3 RBX: 0000000000000002 RCX: ffff888025641e00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: 1ffff1100fd07016 R08: ffffffff84109457 R09: 1ffff1100e0a03b6 R10: dffffc0000000000 R11: ffffed100e0a03b7 R12: ffff888070501c78 R13: ffff888070500000 R14: 0000000000000000 R15: dffffc0000000000 FS: 0000555561af2480(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f695c366731 CR3: 0000000027fa4000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __bch2_fs_free fs/bcachefs/super.c:556 [inline] bch2_fs_release+0x20e/0x7d0 fs/bcachefs/super.c:610 kobject_cleanup lib/kobject.c:689 [inline] kobject_release lib/kobject.c:720 [inline] kref_put include/linux/kref.h:65 [inline] kobject_put+0x22f/0x480 lib/kobject.c:737 deactivate_locked_super+0xc4/0x130 fs/super.c:473 bch2_fs_get_tree+0xcf3/0x1710 fs/bcachefs/fs.c:2270 vfs_get_tree+0x90/0x2b0 fs/super.c:1800 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: 0033:0x7fcd7056ccea Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 9e 06 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:00007fffc11dbbf8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fffc11dbc10 RCX: 00007fcd7056ccea RDX: 00000000200058c0 RSI: 0000000020005900 RDI: 00007fffc11dbc10 RBP: 0000000000000004 R08: 00007fffc11dbc50 R09: 00000000000058a7 R10: 0000000000000400 R11: 0000000000000282 R12: 0000000000000400 R13: 00007fffc11dbc50 R14: 0000000000000003 R15: 0000000001000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:bch2_fs_btree_cache_exit+0x1124/0x1130 fs/bcachefs/btree_cache.c:593 Code: fd 90 0f 0b e8 2d 3c 84 fd 90 0f 0b e8 25 3c 84 fd 90 0f 0b e8 1d 3c 84 fd 90 0f 0b e8 15 3c 84 fd 90 0f 0b e8 0d 3c 84 fd 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc90003bd7838 EFLAGS: 00010293 RAX: ffffffff84109db3 RBX: 0000000000000002 RCX: ffff888025641e00 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: 1ffff1100fd07016 R08: ffffffff84109457 R09: 1ffff1100e0a03b6 R10: dffffc0000000000 R11: ffffed100e0a03b7 R12: ffff888070501c78 R13: ffff888070500000 R14: 0000000000000000 R15: dffffc0000000000 FS: 0000555561af2480(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcd687ff000 CR3: 0000000027fa4000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400