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: 6429 at fs/buffer.c:1194 __brelse fs/buffer.c:1194 [inline]
WARNING: CPU: 0 PID: 6429 at fs/buffer.c:1194 brelse include/linux/buffer_head.h:335 [inline]
WARNING: CPU: 0 PID: 6429 at fs/buffer.c:1194 __invalidate_bh_lrus fs/buffer.c:1429 [inline]
WARNING: CPU: 0 PID: 6429 at fs/buffer.c:1194 invalidate_bh_lru+0x128/0x200 fs/buffer.c:1442
Modules linked in:
CPU: 0 PID: 6429 Comm: syz-executor.0 Not tainted 6.4.0-rc2-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023
pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __brelse fs/buffer.c:1194 [inline]
pc : brelse include/linux/buffer_head.h:335 [inline]
pc : __invalidate_bh_lrus fs/buffer.c:1429 [inline]
pc : invalidate_bh_lru+0x128/0x200 fs/buffer.c:1442
lr : __brelse fs/buffer.c:1194 [inline]
lr : brelse include/linux/buffer_head.h:335 [inline]
lr : __invalidate_bh_lrus fs/buffer.c:1429 [inline]
lr : invalidate_bh_lru+0x128/0x200 fs/buffer.c:1442
sp : ffff80001ea36f40
x29: ffff80001ea36f40 x28: dfff800000000000 x27: 0000000000000001
x26: 0000000000000001 x25: 00000000ffffffff x24: ffff0001b4234f98
x23: 0000000000000038 x22: dfff800000000000 x21: 0000000000000000
x20: ffff0000df6175d0 x19: ffff800012657420 x18: ffff80001ea36e80
x17: 0000000000000000 x16: ffff80001243138c x15: 0000000000000004
x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000001
x11: 0000000000000002 x10: 0000000000000000 x9 : c65f9de70f23dc00
x8 : c65f9de70f23dc00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001ea36838 x4 : ffff800015f8e880 x3 : ffff800008594020
x2 : 0000000000000001 x1 : 0000000100000002 x0 : 0000000000000000
Call trace:
 __brelse fs/buffer.c:1194 [inline]
 brelse include/linux/buffer_head.h:335 [inline]
 __invalidate_bh_lrus fs/buffer.c:1429 [inline]
 invalidate_bh_lru+0x128/0x200 fs/buffer.c:1442
 smp_call_function_many_cond+0x11ac/0x28d4 kernel/smp.c:819
 on_each_cpu_cond_mask+0x5c/0xc4 kernel/smp.c:996
 on_each_cpu_cond include/linux/smp.h:105 [inline]
 invalidate_bh_lrus+0x34/0x40 fs/buffer.c:1461
 invalidate_bdev+0x90/0xc0 block/bdev.c:85
 invalidate_disk+0x48/0xe0 block/genhd.c:705
 __loop_clr_fd+0x1d8/0x588 drivers/block/loop.c:1164
 loop_clr_fd drivers/block/loop.c:1257 [inline]
 lo_ioctl+0x1238/0x1d08 drivers/block/loop.c:1563
 blkdev_ioctl+0x408/0xb40 block/ioctl.c:615
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl fs/ioctl.c:856 [inline]
 __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:193
 el0_svc+0x4c/0x15c arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591
irq event stamp: 1544
hardirqs last  enabled at (1543): [<ffff800012516d40>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
hardirqs last  enabled at (1543): [<ffff800012516d40>] _raw_spin_unlock_irq+0x30/0x80 kernel/locking/spinlock.c:202
hardirqs last disabled at (1544): [<ffff800008463a24>] smp_call_function_many_cond+0x11a0/0x28d4 kernel/smp.c:818
softirqs last  enabled at (1508): [<ffff800008033378>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (1506): [<ffff800008033344>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---