------------[ cut here ]------------ WARNING: fs/gfs2/super.c:608 at gfs2_put_super+0x912/0x950 fs/gfs2/super.c:608, CPU#0: syz-executor/7927 Modules linked in: CPU: 0 UID: 0 PID: 7927 Comm: syz-executor Not tainted 6.16.0-rc3-next-20250627-syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:gfs2_put_super+0x912/0x950 fs/gfs2/super.c:608 Code: ff e8 22 f1 f8 ff 4c 89 ff e8 3a 30 00 00 4c 89 ff 48 83 c4 38 5b 41 5c 41 5d 41 5e 41 5f 5d e9 34 1d fc ff e8 5f 67 c3 fd 90 <0f> 0b 90 e9 4d fa ff ff e8 51 67 c3 fd e9 9c f9 ff ff 44 89 f1 80 RSP: 0018:ffffc9000414fcb0 EFLAGS: 00010293 RAX: ffffffff83fc6b01 RBX: 0000000000000000 RCX: ffff888077441e00 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff8880227c0818 R08: ffff8880227c00af R09: 1ffff110044f8015 R10: dffffc0000000000 R11: ffffed10044f8016 R12: ffff8880227c00a8 R13: ffff8880227c0818 R14: 0000000000000800 R15: ffff8880227c0000 FS: 0000555564a9d500(0000) GS:ffff888125c1e000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f316d580ab8 CR3: 000000007c9b4000 CR4: 00000000003526f0 Call Trace: generic_shutdown_super+0x135/0x2c0 fs/super.c:643 kill_block_super+0x44/0x90 fs/super.c:1755 deactivate_locked_super+0xb9/0x130 fs/super.c:474 cleanup_mnt+0x425/0x4c0 fs/namespace.c:1417 task_work_run+0x1d4/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xec/0x110 kernel/entry/common.c:114 exit_to_user_mode_prepare include/linux/entry-common.h:330 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:414 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:449 [inline] do_syscall_64+0x2bd/0x3b0 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f225198fc57 Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 a8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffcc0159468 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 00007f2251a10925 RCX: 00007f225198fc57 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffcc0159520 RBP: 00007ffcc0159520 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffcc015a610 R13: 00007f2251a10925 R14: 00000000000677da R15: 00007ffcc015b6e0