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 0ms
------------[ cut here ]------------
kernel BUG at block/bio.c:335!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 6933 Comm: syz.5.697 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:bio_chain+0xe0/0xf0 block/bio.c:335
Code: 36 cd e0 fd f0 ff 43 1c 5b 41 5c 41 5d 41 5e 41 5f 5d c3 89 f9 80 e1 07 fe c1 38 c1 7c d4 e8 57 cb e0 fd eb cd e8 80 e0 8f fd <0f> 0b e8 79 e0 8f fd 0f 0b 0f 1f 80 00 00 00 00 55 41 57 41 56 41
RSP: 0018:ffffc90005307630 EFLAGS: 00010246
RAX: ffffffff83f291f0 RBX: ffff88807e52ec80 RCX: 0000000000080000
RDX: ffffc90005bc9000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: 00000000000004f6 R08: ffffffff8e1fc32f R09: 1ffffffff1c3f865
R10: dffffc0000000000 R11: fffffbfff1c3f866 R12: dffffc0000000000
R13: 1ffff1100fca5cf8 R14: ffff88807e52e780 R15: ffff88807e52e7c0
FS:  00007fe3dbea26c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000560e428684b0 CR3: 000000005f6b0000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 gfs2_chain_bio fs/gfs2/lops.c:494 [inline]
 gfs2_find_jhead+0x5ca/0xd00 fs/gfs2/lops.c:559
 check_journal_clean+0x1c2/0x360 fs/gfs2/util.c:76
 init_journal+0x1828/0x23e0 fs/gfs2/ops_fstype.c:830
 init_inodes+0xdb/0x320 fs/gfs2/ops_fstype.c:889
 gfs2_fill_super+0x1749/0x1fb0 fs/gfs2/ops_fstype.c:1246
 get_tree_bdev+0x3f1/0x610 fs/super.c:1366
 gfs2_get_tree+0x4d/0x1e0 fs/gfs2/ops_fstype.c:1327
 vfs_get_tree+0x88/0x270 fs/super.c:1573
 do_new_mount+0x24a/0xa40 fs/namespace.c:3078
 do_mount fs/namespace.c:3421 [inline]
 __do_sys_mount fs/namespace.c:3629 [inline]
 __se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3606
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fe3daf9c14a
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fe3dbea1e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fe3dbea1ee0 RCX: 00007fe3daf9c14a
RDX: 0000200000037f40 RSI: 0000200000037f80 RDI: 00007fe3dbea1ea0
RBP: 0000200000037f40 R08: 00007fe3dbea1ee0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000037f80
R13: 00007fe3dbea1ea0 R14: 0000000000037f7f R15: 00002000000000c0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:bio_chain+0xe0/0xf0 block/bio.c:335
Code: 36 cd e0 fd f0 ff 43 1c 5b 41 5c 41 5d 41 5e 41 5f 5d c3 89 f9 80 e1 07 fe c1 38 c1 7c d4 e8 57 cb e0 fd eb cd e8 80 e0 8f fd <0f> 0b e8 79 e0 8f fd 0f 0b 0f 1f 80 00 00 00 00 55 41 57 41 56 41
RSP: 0018:ffffc90005307630 EFLAGS: 00010246
RAX: ffffffff83f291f0 RBX: ffff88807e52ec80 RCX: 0000000000080000
RDX: ffffc90005bc9000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: 00000000000004f6 R08: ffffffff8e1fc32f R09: 1ffffffff1c3f865
R10: dffffc0000000000 R11: fffffbfff1c3f866 R12: dffffc0000000000
R13: 1ffff1100fca5cf8 R14: ffff88807e52e780 R15: ffff88807e52e7c0
FS:  00007fe3dbea26c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000cf2000 CR3: 000000005f6b0000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400