bcachefs (loop0): btree ptr not marked in member info btree allocated bitmap
  u64s 11 type btree_ptr_v2 SPOS_MAX len 0 ver 0: seq 9a831b4a3f983356 written 32 min_key POS_MIN durability: 1 ptr: 0:29:0 gen 0, fixing
 done
bcachefs (loop0): going read-write
bcachefs (loop0): journal_replay...
Kernel panic - not syncing: corrupted stack end detected inside scheduler
CPU: 0 UID: 0 PID: 6716 Comm: syz-executor Not tainted 6.15.0-rc2-syzkaller-00404-g8560697b23dc #0 PREEMPT(undef) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x216/0x2d0 lib/dump_stack.c:120
 dump_stack+0x1e/0x24 lib/dump_stack.c:129
 panic+0x4e5/0xcf0 kernel/panic.c:354
 schedule_debug kernel/sched/core.c:5949 [inline]
 __schedule+0xc08/0x73b0 kernel/sched/core.c:6666
 preempt_schedule_common kernel/sched/core.c:6947 [inline]
 __cond_resched+0xb3/0x130 kernel/sched/core.c:7292
 _cond_resched include/linux/sched.h:2099 [inline]
 bch2_trans_begin+0xc03/0x2350 fs/bcachefs/btree_iter.c:3260
 bch2_btree_write_buffer_flush_locked+0x2697/0x6900 fs/bcachefs/btree_write_buffer.c:401
 btree_write_buffer_flush_seq+0x2b7b/0x2d60 fs/bcachefs/btree_write_buffer.c:570
 bch2_btree_write_buffer_journal_flush+0x103/0x1f0 fs/bcachefs/btree_write_buffer.c:586
 journal_flush_pins+0x1335/0x1fa0 fs/bcachefs/journal_reclaim.c:589
 journal_flush_pins_or_still_flushing fs/bcachefs/journal_reclaim.c:859 [inline]
 journal_flush_done+0x157/0xe60 fs/bcachefs/journal_reclaim.c:877
 bch2_journal_flush_pins+0x2a9/0x3b0 fs/bcachefs/journal_reclaim.c:909
 bch2_journal_flush_all_pins fs/bcachefs/journal_reclaim.h:76 [inline]
 bch2_journal_replay+0x459f/0x49b0 fs/bcachefs/recovery.c:442
 bch2_run_recovery_pass fs/bcachefs/recovery_passes.c:226 [inline]
 bch2_run_recovery_passes+0x5a2/0x1160 fs/bcachefs/recovery_passes.c:285
 bch2_fs_recovery+0x489c/0x6230 fs/bcachefs/recovery.c:936
 bch2_fs_start+0x5ce/0xbd0 fs/bcachefs/super.c:1065
 bch2_fs_get_tree+0x1b5d/0x25e0 fs/bcachefs/fs.c:2253
 vfs_get_tree+0xb1/0x5a0 fs/super.c:1759
 do_new_mount+0x71f/0x15e0 fs/namespace.c:3881
 path_mount+0x742/0x1f10 fs/namespace.c:4208
 do_mount fs/namespace.c:4221 [inline]
 __do_sys_mount fs/namespace.c:4432 [inline]
 __se_sys_mount+0x71f/0x800 fs/namespace.c:4409
 __x64_sys_mount+0xe4/0x150 fs/namespace.c:4409
 x64_sys_call+0xed5/0x3c80 arch/x86/include/generated/asm/syscalls_64.h:166
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x1b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb7c4a7e5ea
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:00007fb7c57ceef8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fb7c57cef80 RCX: 00007fb7c4a7e5ea
RDX: 0000000020005d80 RSI: 0000000020000180 RDI: 00007fb7c57cef40
RBP: 0000000020005d80 R08: 00007fb7c57cef80 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000180
R13: 00007fb7c57cef40 R14: 0000000000005da1 R15: 0000000020000340
 </TASK>
Kernel Offset: disabled
Rebooting in 86400 seconds..