loop0: detected capacity change from 0 to 32768
gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
gfs2: fsid=syz:syz.s: journal 0 mapped with 3 extents in 1ms
------------[ cut here ]------------
kernel BUG at block/bio.c:342!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 5987 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:bio_chain+0xee/0x100 block/bio.c:342
Code: 43 1c 5b 41 5c 41 5d 41 5e 41 5f 5d e9 1b e1 f2 06 cc 89 f9 80 e1 07 fe c1 38 c1 7c cf e8 aa fc bd fd eb c8 e8 d3 a8 57 fd 90 <0f> 0b e8 cb a8 57 fd 90 0f 0b 0f 1f 84 00 00 00 00 00 90 90 90 90
RSP: 0018:ffffc900033474c0 EFLAGS: 00010293
RAX: ffffffff846a0a5d RBX: ffff888027046640 RCX: ffff88801c3d1e80
RDX: 0000000000000000 RSI: ffff888027046640 RDI: ffff888027046780
RBP: 0000000000002004 R08: ffffffff8476c670 R09: ffffffff8df419e0
R10: dffffc0000000000 R11: ffffed1004e08cd7 R12: dffffc0000000000
R13: 1ffff11004e08cf8 R14: ffff888027046780 R15: ffff8880270467c0
FS:  000055557eb48500(0000) GS:ffff888125e49000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8952b04492 CR3: 0000000073898000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 gfs2_chain_bio fs/gfs2/lops.c:487 [inline]
 gfs2_find_jhead+0x627/0xe40 fs/gfs2/lops.c:549
 check_journal_clean+0x18e/0x310 fs/gfs2/util.c:76
 init_journal+0x19a3/0x2170 fs/gfs2/ops_fstype.c:789
 init_inodes+0xdb/0x320 fs/gfs2/ops_fstype.c:844
 gfs2_fill_super+0x1a08/0x21b0 fs/gfs2/ops_fstype.c:1250
 get_tree_bdev_flags+0x40e/0x4d0 fs/super.c:1691
 gfs2_get_tree+0x51/0x1e0 fs/gfs2/ops_fstype.c:1332
 vfs_get_tree+0x92/0x2a0 fs/super.c:1751
 fc_mount fs/namespace.c:1199 [inline]
 do_new_mount_fc fs/namespace.c:3636 [inline]
 do_new_mount+0x302/0xa10 fs/namespace.c:3712
 do_mount fs/namespace.c:4035 [inline]
 __do_sys_mount fs/namespace.c:4224 [inline]
 __se_sys_mount+0x313/0x410 fs/namespace.c:4201
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7668b90eea
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:00007ffe25337ca8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ffe25337d30 RCX: 00007f7668b90eea
RDX: 000020000001f680 RSI: 000020000001f6c0 RDI: 00007ffe25337cf0
RBP: 000020000001f680 R08: 00007ffe25337d30 R09: 0000000000000084
R10: 0000000000000084 R11: 0000000000000246 R12: 000020000001f6c0
R13: 00007ffe25337cf0 R14: 000000000001f707 R15: 00002000000000c0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:bio_chain+0xee/0x100 block/bio.c:342
Code: 43 1c 5b 41 5c 41 5d 41 5e 41 5f 5d e9 1b e1 f2 06 cc 89 f9 80 e1 07 fe c1 38 c1 7c cf e8 aa fc bd fd eb c8 e8 d3 a8 57 fd 90 <0f> 0b e8 cb a8 57 fd 90 0f 0b 0f 1f 84 00 00 00 00 00 90 90 90 90
RSP: 0018:ffffc900033474c0 EFLAGS: 00010293
RAX: ffffffff846a0a5d RBX: ffff888027046640 RCX: ffff88801c3d1e80
RDX: 0000000000000000 RSI: ffff888027046640 RDI: ffff888027046780
RBP: 0000000000002004 R08: ffffffff8476c670 R09: ffffffff8df419e0
R10: dffffc0000000000 R11: ffffed1004e08cd7 R12: dffffc0000000000
R13: 1ffff11004e08cf8 R14: ffff888027046780 R15: ffff8880270467c0
FS:  000055557eb48500(0000) GS:ffff888125e49000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8952b04492 CR3: 0000000073898000 CR4: 00000000003526f0