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 NOPTI CPU: 0 UID: 0 PID: 5095 Comm: syz-executor335 Not tainted 6.12.0-rc3-syzkaller-00420-g715ca9dd687f #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_fs_btree_cache_exit+0x1124/0x1130 fs/bcachefs/btree_cache.c:593 Code: fd 90 0f 0b e8 bd 29 81 fd 90 0f 0b e8 b5 29 81 fd 90 0f 0b e8 ad 29 81 fd 90 0f 0b e8 a5 29 81 fd 90 0f 0b e8 9d 29 81 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:ffffc9000aedfc40 EFLAGS: 00010293 RAX: ffffffff8413be63 RBX: 0000000000000002 RCX: ffff888000d94880 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: 1ffff110080dfd16 R08: ffffffff8413b507 R09: 1ffff1100a1c03b6 R10: dffffc0000000000 R11: ffffed100a1c03b7 R12: ffff888050e01c78 R13: ffff888050e00000 R14: 0000000000000000 R15: dffffc0000000000 FS: 00005555910c2380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff2ba40f000 CR3: 0000000036658000 CR4: 0000000000352ef0 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 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373 task_work_run+0x24f/0x310 kernel/task_work.c:228 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff2c26815b7 Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffc9f5dc348 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007ff2c26815b7 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc9f5dc400 RBP: 00007ffc9f5dc400 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffc9f5dd470 R13: 00005555910c36c0 R14: 431bde82d7b634db R15: 00007ffc9f5dd490 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 bd 29 81 fd 90 0f 0b e8 b5 29 81 fd 90 0f 0b e8 ad 29 81 fd 90 0f 0b e8 a5 29 81 fd 90 0f 0b e8 9d 29 81 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:ffffc9000aedfc40 EFLAGS: 00010293 RAX: ffffffff8413be63 RBX: 0000000000000002 RCX: ffff888000d94880 RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000000000000000 RBP: 1ffff110080dfd16 R08: ffffffff8413b507 R09: 1ffff1100a1c03b6 R10: dffffc0000000000 R11: ffffed100a1c03b7 R12: ffff888050e01c78 R13: ffff888050e00000 R14: 0000000000000000 R15: dffffc0000000000 FS: 00005555910c2380(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff2c26fd130 CR3: 0000000036658000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400