------------[ cut here ]------------
kernel BUG at fs/bcachefs/journal.c:397!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 14945 Comm: syz.7.596 Not tainted 6.16.0-rc7-syzkaller-00018-g01a412d06bc5 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:journal_entry_open fs/bcachefs/journal.c:397 [inline]
RIP: 0010:__journal_res_get+0x25cd/0x27f0 fs/bcachefs/journal.c:639
Code: ff ff e9 2b db ff ff e8 21 56 7f fd 41 be f0 f6 ff ff e9 1b db ff ff e8 51 b8 25 07 e8 0c 56 7f fd 90 0f 0b e8 04 56 7f fd 90 <0f> 0b e8 fc 55 7f fd 90 0f 0b e8 f4 55 7f fd 90 0f 0b e8 ec 55 7f
RSP: 0018:ffffc9000c0d74e0 EFLAGS: 00010246
RAX: ffffffff8440cfac RBX: 1ffff1100e48951b RCX: 0000000000080000
RDX: ffffc90010bf7000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc9000c0d77b0 R08: ffff88807244a9f7 R09: 1ffff1100e48953e
R10: dffffc0000000000 R11: ffffed100e48953f R12: ffff888072449800
R13: 1ffff1100e48953e R14: 0000000000000002 R15: 00000000007ffffe
FS:  00007f9f7a5776c0(0000) GS:ffff888125c57000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3350cff8 CR3: 000000002878e000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 bch2_journal_res_get_slowpath+0xdc/0xaf0 fs/bcachefs/journal.c:734
 bch2_journal_res_get+0x14f/0x1f0 fs/bcachefs/journal.h:401
 __bch2_journal_meta+0x40/0x1d0 fs/bcachefs/journal.c:980
 bch2_fs_journal_stop+0x1dd/0x440 fs/bcachefs/journal.c:1462
 __bch2_fs_read_only+0x343/0x5b0 fs/bcachefs/super.c:306
 __bch2_fs_read_write+0x518/0x590 fs/bcachefs/super.c:553
 bch2_fs_reconfigure+0x29a/0x400 fs/bcachefs/fs.c:2675
 reconfigure_super+0x224/0x890 fs/super.c:1077
 vfs_cmd_reconfigure fs/fsopen.c:262 [inline]
 vfs_fsconfig_locked+0x171/0x320 fs/fsopen.c:291
 __do_sys_fsconfig fs/fsopen.c:467 [inline]
 __se_sys_fsconfig+0x78e/0x8d0 fs/fsopen.c:344
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9f7978e9a9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007f9f7a577038 EFLAGS: 00000246 ORIG_RAX: 00000000000001af
RAX: ffffffffffffffda RBX: 00007f9f799b5fa0 RCX: 00007f9f7978e9a9
RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000004
RBP: 00007f9f79810d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f9f799b5fa0 R15: 00007ffd3c96ce68
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:journal_entry_open fs/bcachefs/journal.c:397 [inline]
RIP: 0010:__journal_res_get+0x25cd/0x27f0 fs/bcachefs/journal.c:639
Code: ff ff e9 2b db ff ff e8 21 56 7f fd 41 be f0 f6 ff ff e9 1b db ff ff e8 51 b8 25 07 e8 0c 56 7f fd 90 0f 0b e8 04 56 7f fd 90 <0f> 0b e8 fc 55 7f fd 90 0f 0b e8 f4 55 7f fd 90 0f 0b e8 ec 55 7f
RSP: 0018:ffffc9000c0d74e0 EFLAGS: 00010246
RAX: ffffffff8440cfac RBX: 1ffff1100e48951b RCX: 0000000000080000
RDX: ffffc90010bf7000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc9000c0d77b0 R08: ffff88807244a9f7 R09: 1ffff1100e48953e
R10: dffffc0000000000 R11: ffffed100e48953f R12: ffff888072449800
R13: 1ffff1100e48953e R14: 0000000000000002 R15: 00000000007ffffe
FS:  00007f9f7a5776c0(0000) GS:ffff888125c57000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3350cff8 CR3: 000000002878e000 CR4: 00000000003526f0