loop0: detected capacity change from 0 to 128
oldfs: cannot read superblock
------------[ cut here ]------------
VFS: brelse: Trying to free free buffer
WARNING: CPU: 1 PID: 5476 at fs/buffer.c:1241 __brelse fs/buffer.c:1241 [inline]
WARNING: CPU: 1 PID: 5476 at fs/buffer.c:1241 brelse include/linux/buffer_head.h:325 [inline]
WARNING: CPU: 1 PID: 5476 at fs/buffer.c:1241 __invalidate_bh_lrus fs/buffer.c:1510 [inline]
WARNING: CPU: 1 PID: 5476 at fs/buffer.c:1241 invalidate_bh_lru+0x102/0x1b0 fs/buffer.c:1523
Modules linked in:
CPU: 1 PID: 5476 Comm: syz-executor.0 Not tainted 6.10.0-rc6-syzkaller-00215-g22f902dfc51e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:__brelse fs/buffer.c:1241 [inline]
RIP: 0010:brelse include/linux/buffer_head.h:325 [inline]
RIP: 0010:__invalidate_bh_lrus fs/buffer.c:1510 [inline]
RIP: 0010:invalidate_bh_lru+0x102/0x1b0 fs/buffer.c:1523
Code: 24 59 dd ff f0 ff 0b eb 25 e8 5a a1 77 ff 41 80 3c 2e 00 75 2a eb 30 e8 4c a1 77 ff 90 48 c7 c7 40 08 d9 8b e8 1f cf 39 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:ffffc90004186f08 EFLAGS: 00010046
RAX: 2b9f95bf143c5700 RBX: ffff88801198b5d0 RCX: ffff888029b20000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff81585822 R09: 1ffff110172a519a
R10: dffffc0000000000 R11: ffffed10172a519b R12: ffff8880b9539500
R13: 0000000000000000 R14: 1ffff110172a72a0 R15: ffff8880b9539500
FS:  00007f4305fa56c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055b10b1a7950 CR3: 0000000028300000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 csd_do_func kernel/smp.c:133 [inline]
 smp_call_function_many_cond+0x15d9/0x29d0 kernel/smp.c:846
 on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1023
 invalidate_bdev+0x71/0xa0 block/bdev.c:99
 invalidate_disk+0x45/0xc0 block/genhd.c:745
 __loop_clr_fd+0x322/0x810 drivers/block/loop.c:1183
 loop_clr_fd drivers/block/loop.c:1276 [inline]
 lo_ioctl+0x174a/0x21a0 drivers/block/loop.c:1578
 blkdev_ioctl+0x582/0x6b0 block/ioctl.c:676
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl+0xfe/0x170 fs/ioctl.c:893
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f430527dbcb
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:00007f4305fa4ea0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 00007f430527dbcb
RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000003
RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000004000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000016
R13: 00007f4305fa4f40 R14: 0000000000009e81 R15: 0000000020000140
 </TASK>