loop4: detected capacity change from 0 to 256
------------[ cut here ]------------
VFS: brelse: Trying to free free buffer
WARNING: CPU: 1 PID: 7053 at fs/buffer.c:1229 __brelse fs/buffer.c:1229 [inline]
WARNING: CPU: 1 PID: 7053 at fs/buffer.c:1229 brelse include/linux/buffer_head.h:324 [inline]
WARNING: CPU: 1 PID: 7053 at fs/buffer.c:1229 bh_lru_install fs/buffer.c:1346 [inline]
WARNING: CPU: 1 PID: 7053 at fs/buffer.c:1229 __find_get_block+0xc3c/0xd84 fs/buffer.c:1400
Modules linked in:
CPU: 1 UID: 0 PID: 7053 Comm: syz.4.114 Not tainted 6.13.0-rc3-syzkaller-g573067a5a685 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __brelse fs/buffer.c:1229 [inline]
pc : brelse include/linux/buffer_head.h:324 [inline]
pc : bh_lru_install fs/buffer.c:1346 [inline]
pc : __find_get_block+0xc3c/0xd84 fs/buffer.c:1400
lr : __brelse fs/buffer.c:1229 [inline]
lr : brelse include/linux/buffer_head.h:324 [inline]
lr : bh_lru_install fs/buffer.c:1346 [inline]
lr : __find_get_block+0xc3c/0xd84 fs/buffer.c:1400
sp : ffff8000a35d76a0
x29: ffff8000a35d76a0 x28: 0000000000000000 x27: dfff800000000000
x26: 0000000000000006 x25: ffff0000dd0242b8 x24: 0000000000000009
x23: ffff0000f2cfe910 x22: ffff0000f2cfe9f8 x21: 0000000000000000
x20: ffff0000dd24ac28 x19: ffff0000f2cfebc8 x18: 1fffe00036700a7e
x17: ffff80008f99d000 x16: ffff800080463930 x15: 0000000000000001
x14: 1fffe000367034d0 x13: ffff8000a35d8000 x12: 0000000000000003
x11: 0000000000000001 x10: 0000000000000003 x9 : b925de1f9d769000
x8 : b925de1f9d769000 x7 : ffff8000803cf9cc x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000006 x1 : ffff80008b746ea0 x0 : ffff800123f1a000
Call trace:
 __brelse fs/buffer.c:1229 [inline] (P)
 brelse include/linux/buffer_head.h:324 [inline] (P)
 bh_lru_install fs/buffer.c:1346 [inline] (P)
 __find_get_block+0xc3c/0xd84 fs/buffer.c:1400 (P)
 bdev_getblk+0x48/0x62c fs/buffer.c:1425
 __bread_gfp+0x90/0x34c fs/buffer.c:1485
 sb_bread include/linux/buffer_head.h:346 [inline]
 exfat_verify_boot_region fs/exfat/super.c:575 [inline]
 __exfat_fill_super fs/exfat/super.c:622 [inline]
 exfat_fill_super+0xb30/0x2114 fs/exfat/super.c:678
 get_tree_bdev_flags+0x38c/0x494 fs/super.c:1636
 get_tree_bdev+0x2c/0x3c fs/super.c:1659
 exfat_get_tree+0x28/0x38 fs/exfat/super.c:745
 vfs_get_tree+0x90/0x28c fs/super.c:1814
 do_new_mount+0x278/0x900 fs/namespace.c:3507
 path_mount+0x590/0xe04 fs/namespace.c:3834
 do_mount fs/namespace.c:3847 [inline]
 __do_sys_mount fs/namespace.c:4057 [inline]
 __se_sys_mount fs/namespace.c:4034 [inline]
 __arm64_sys_mount+0x4d4/0x5ac fs/namespace.c:4034
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
irq event stamp: 1232
hardirqs last  enabled at (1231): [<ffff8000803cfa6c>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1535 [inline]
hardirqs last  enabled at (1231): [<ffff8000803cfa6c>] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5123
hardirqs last disabled at (1232): [<ffff80008b69c83c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488
softirqs last  enabled at (868): [<ffff800080129934>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (866): [<ffff800080129900>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---
exFAT-fs (loop4): failed to load upcase table (idx : 0x0000fe7f, chksum : 0x39626d3b, utbl_chksum : 0xe619d30d)