loop0: detected capacity change from 0 to 128
oldfs: cannot read superblock
------------[ cut here ]------------
VFS: brelse: Trying to free free buffer
WARNING: CPU: 0 PID: 5075 at fs/buffer.c:1235 __brelse fs/buffer.c:1235 [inline]
WARNING: CPU: 0 PID: 5075 at fs/buffer.c:1235 brelse include/linux/buffer_head.h:309 [inline]
WARNING: CPU: 0 PID: 5075 at fs/buffer.c:1235 __invalidate_bh_lrus fs/buffer.c:1487 [inline]
WARNING: CPU: 0 PID: 5075 at fs/buffer.c:1235 invalidate_bh_lru+0x102/0x1b0 fs/buffer.c:1500
Modules linked in:
CPU: 0 PID: 5075 Comm: syz-executor222 Not tainted 6.9.0-rc5-syzkaller-00042-ge88c4cfcb7b8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
RIP: 0010:__brelse fs/buffer.c:1235 [inline]
RIP: 0010:brelse include/linux/buffer_head.h:309 [inline]
RIP: 0010:__invalidate_bh_lrus fs/buffer.c:1487 [inline]
RIP: 0010:invalidate_bh_lru+0x102/0x1b0 fs/buffer.c:1500
Code: 34 4f dd ff f0 ff 0b eb 25 e8 2a 3b 7c ff 41 80 3c 2e 00 75 2a eb 30 e8 1c 3b 7c ff 90 48 c7 c7 c0 dc d8 8b e8 9f b7 3e ff 90 <0f> 0b 90 90 48 bd 00 00 00 00 00 fc ff df 41 80 3c 2e 00 74 08 4c
RSP: 0018:ffffc9000370eee8 EFLAGS: 00010046
RAX: 52fee86a814e3100 RBX: ffff8880775f1c28 RCX: ffff88802a869e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff81587f92 R09: 1ffff1101728519a
R10: dffffc0000000000 R11: ffffed101728519b R12: ffff8880b9439370
R13: 0000000000000000 R14: 1ffff1101728726e R15: ffff8880b9439370
FS:  0000555595348380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fffdc7b6d1c CR3: 00000000771ec000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 csd_do_func kernel/smp.c:133 [inline]
 smp_call_function_many_cond+0x15fe/0x2a00 kernel/smp.c:846
 on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1023
 invalidate_bdev+0x8e/0xc0 block/bdev.c:94
 invalidate_disk+0x45/0xe0 block/genhd.c:747
 __loop_clr_fd+0x322/0x810 drivers/block/loop.c:1160
 loop_clr_fd drivers/block/loop.c:1253 [inline]
 lo_ioctl+0x174a/0x21a0 drivers/block/loop.c:1555
 blkdev_ioctl+0x5e5/0x740 block/ioctl.c:642
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:904 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:890
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff32540677b
Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00
RSP: 002b:00007ffe5ff2d9e0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007ff32540677b
RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000003
RBP: 0000000000000016 R08: 00007ffe5ff2da90 R09: 00ff373737373737
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000004000
R13: 00007ffe5ff2da90 R14: 0000000000000003 R15: 0000000000010000
 </TASK>