bcachefs (loop1): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nojournal_transaction_names
bcachefs (loop1): initializing new filesystem
------------[ cut here ]------------
CPU 0 old state 2 new state 1
WARNING: CPU: 0 PID: 6082 at kernel/rcu/srcutree.c:740 __srcu_check_read_flavor+0x10a/0x150 kernel/rcu/srcutree.c:740
Modules linked in:
CPU: 0 UID: 0 PID: 6082 Comm: syz.1.25 Not tainted 6.14.0-syzkaller-10514-g7f2ff7b62617 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:__srcu_check_read_flavor+0x10a/0x150 kernel/rcu/srcutree.c:740
Code: c6 c8 01 00 00 4c 89 f0 48 c1 e8 03 42 0f b6 04 20 84 c0 75 38 41 8b 36 48 c7 c7 c0 e1 4b 8c 89 ea 44 89 f9 e8 07 46 da ff 90 <0f> 0b 90 90 eb a2 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 64 ff ff ff
RSP: 0018:ffffc900054d7380 EFLAGS: 00010246
RAX: 8537347ebd80df00 RBX: ffffe8ffffc7d860 RCX: 0000000000080000
RDX: ffffc90004f79000 RSI: 00000000000434e8 RDI: 00000000000434e9
RBP: 0000000000000002 R08: ffffffff81827862 R09: fffffbfff1d7a934
R10: dffffc0000000000 R11: fffffbfff1d7a934 R12: dffffc0000000000
R13: 0000607edacc6840 R14: ffffe8ffffc7da08 R15: 0000000000000001
FS:  00007ff18ba2d6c0(0000) GS:ffff888124fb7000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000404030 CR3: 0000000032438000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 srcu_check_read_flavor include/linux/srcutree.h:339 [inline]
 srcu_read_lock include/linux/srcu.h:251 [inline]
 __bch2_trans_get+0x7d5/0xd40 fs/bcachefs/btree_iter.c:3394
 bch2_btree_root_alloc_fake+0x44/0x130 fs/bcachefs/btree_update_interior.c:2612
 bch2_fs_initialize+0x85e/0x1620 fs/bcachefs/recovery.c:1118
 bch2_fs_start+0x36d/0x620 fs/bcachefs/super.c:1058
 bch2_fs_get_tree+0x1270/0x18d0 fs/bcachefs/fs.c:2253
 vfs_get_tree+0x92/0x2b0 fs/super.c:1759
 do_new_mount+0x2cf/0xb70 fs/namespace.c:3878
 do_mount fs/namespace.c:4218 [inline]
 __do_sys_mount fs/namespace.c:4429 [inline]
 __se_sys_mount+0x38c/0x400 fs/namespace.c:4406
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff18ab8e90a
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ff18ba2ce68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ff18ba2cef0 RCX: 00007ff18ab8e90a
RDX: 00002000000000c0 RSI: 0000200000000300 RDI: 00007ff18ba2ceb0
RBP: 00002000000000c0 R08: 00007ff18ba2cef0 R09: 0000000000000012
R10: 0000000000000012 R11: 0000000000000246 R12: 0000200000000300
R13: 00007ff18ba2ceb0 R14: 00000000000059f2 R15: 0000200000000340
 </TASK>