------------[ cut here ]------------
VFS: brelse: Trying to free free buffer
WARNING: CPU: 0 PID: 8295 at fs/buffer.c:1229 __brelse fs/buffer.c:1229 [inline]
WARNING: CPU: 0 PID: 8295 at fs/buffer.c:1229 brelse include/linux/buffer_head.h:324 [inline]
WARNING: CPU: 0 PID: 8295 at fs/buffer.c:1229 bh_lru_install fs/buffer.c:1346 [inline]
WARNING: CPU: 0 PID: 8295 at fs/buffer.c:1229 __find_get_block+0xc3c/0xd84 fs/buffer.c:1400
Modules linked in:
CPU: 0 UID: 0 PID: 8295 Comm: modprobe 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 : ffff8000a3086f00
x29: ffff8000a3086f00 x28: 0000000000000000 x27: dfff800000000000
x26: 00000000000000f6 x25: ffff0000c179aae0 x24: 000000000000000c
x23: ffff0000dd265488 x22: ffff0000dd265570 x21: 0000000000000000
x20: ffff0000f21c9c28 x19: ffff0000c179aae0 x18: 1fffe000366fc27e
x17: ffff80008f99d000 x16: ffff800080463930 x15: 0000000000000001
x14: 1fffe000366fecd0 x13: ffff8000a3088000 x12: 0000000000000003
x11: 0000000000000001 x10: 0000000000000003 x9 : 21359ed917eda100
x8 : 21359ed917eda100 x7 : ffff8000803cf9cc x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000007 x1 : ffff80008b746ea0 x0 : ffff800123ef6000
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
 __getblk include/linux/buffer_head.h:380 [inline]
 sb_getblk include/linux/buffer_head.h:386 [inline]
 __ext4_get_inode_loc+0x3ec/0xc50 fs/ext4/inode.c:4440
 ext4_get_inode_loc fs/ext4/inode.c:4568 [inline]
 ext4_reserve_inode_write+0x130/0x2e0 fs/ext4/inode.c:5827
 __ext4_mark_inode_dirty+0x1d4/0x868 fs/ext4/inode.c:6004
 ext4_dirty_inode+0xd4/0x104 fs/ext4/inode.c:6041
 __mark_inode_dirty+0x2e0/0x12b0 fs/fs-writeback.c:2515
 generic_update_time fs/inode.c:2112 [inline]
 inode_update_time fs/inode.c:2125 [inline]
 touch_atime+0x44c/0x8e8 fs/inode.c:2197
 pick_link+0x368/0xb8c fs/namei.c:1893
 step_into+0x9c0/0xce0 fs/namei.c:1982
 open_last_lookups fs/namei.c:3775 [inline]
 path_openat+0x16b0/0x2b14 fs/namei.c:3984
 do_filp_open+0x1e8/0x404 fs/namei.c:4014
 do_sys_openat2+0x124/0x1b8 fs/open.c:1402
 do_sys_open fs/open.c:1417 [inline]
 __do_sys_openat fs/open.c:1433 [inline]
 __se_sys_openat fs/open.c:1428 [inline]
 __arm64_sys_openat+0x1f0/0x240 fs/open.c:1428
 __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: 2106
hardirqs last  enabled at (2105): [<ffff8000803cfa6c>] raw_spin_rq_unlock_irq kernel/sched/sched.h:1535 [inline]
hardirqs last  enabled at (2105): [<ffff8000803cfa6c>] finish_lock_switch+0xbc/0x1e4 kernel/sched/core.c:5123
hardirqs last disabled at (2106): [<ffff80008b69c83c>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488
softirqs last  enabled at (1786): [<ffff800080129934>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (1784): [<ffff800080129900>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---