------------[ cut here ]------------ VFS: brelse: Trying to free free buffer WARNING: CPU: 0 PID: 10338 at fs/buffer.c:1145 __brelse fs/buffer.c:1145 [inline] WARNING: CPU: 0 PID: 10338 at fs/buffer.c:1145 brelse include/linux/buffer_head.h:326 [inline] WARNING: CPU: 0 PID: 10338 at fs/buffer.c:1145 bh_lru_install+0x2cc/0x320 fs/buffer.c:1259 Modules linked in: CPU: 0 PID: 10338 Comm: syz-executor.2 Not tainted 6.1.0-rc5-syzkaller-32269-g9500fc6e9e60 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __brelse fs/buffer.c:1145 [inline] pc : brelse include/linux/buffer_head.h:326 [inline] pc : bh_lru_install+0x2cc/0x320 fs/buffer.c:1259 lr : __brelse fs/buffer.c:1145 [inline] lr : brelse include/linux/buffer_head.h:326 [inline] lr : bh_lru_install+0x2cc/0x320 fs/buffer.c:1259 sp : ffff800013ab3710 x29: ffff800013ab3710 x28: 0000000000000138 x27: 0000000000000002 x26: 0000000000000002 x25: 00000000000000fe x24: 0000000000000003 x23: ffff000119749d20 x22: 00000000000007f0 x21: 0000000000000008 x20: ffff0001197c2690 x19: 0000000000000000 x18: 00000000000003ef x17: ffff80000c0ed83c x16: ffff80000dc18158 x15: ffff00012b181a40 x14: 0000000000000000 x13: 00000000ffffffff x12: 0000000000040000 x11: 000000000001385f x10: ffff800017409000 x9 : fa1ee85d90993c00 x8 : fa1ee85d90993c00 x7 : ffff800008165f54 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000006 x1 : 0000000100000000 x0 : 0000000000000027 Call trace: __brelse fs/buffer.c:1145 [inline] brelse include/linux/buffer_head.h:326 [inline] bh_lru_install+0x2cc/0x320 fs/buffer.c:1259 __find_get_block fs/buffer.c:1309 [inline] __getblk_slow fs/buffer.c:1034 [inline] __getblk_gfp+0x1b4/0x21c fs/buffer.c:1333 __bread_gfp+0x3c/0x90 fs/buffer.c:1367 udf_read_tagged+0x7c/0x2e0 fs/udf/misc.c:219 udf_load_sparable_map fs/udf/super.c:1359 [inline] udf_load_logicalvol+0x4ac/0xb70 fs/udf/super.c:1450 udf_process_sequence+0x3b8/0x518 fs/udf/super.c:1766 udf_load_sequence fs/udf/super.c:1813 [inline] udf_check_anchor_block+0xf8/0x1e8 fs/udf/super.c:1852 udf_scan_anchors+0xb0/0x300 fs/udf/super.c:1885 udf_find_anchor+0x4c/0x1d4 fs/udf/super.c:1941 udf_load_vrs+0x88/0x240 fs/udf/super.c:2006 udf_fill_super+0x29c/0x858 fs/udf/super.c:2184 mount_bdev+0x1b8/0x210 fs/super.c:1401 udf_mount+0x44/0x58 fs/udf/super.c:122 legacy_get_tree+0x30/0x74 fs/fs_context.c:610 vfs_get_tree+0x40/0x140 fs/super.c:1531 do_new_mount+0x1dc/0x4e4 fs/namespace.c:3040 path_mount+0x358/0x890 fs/namespace.c:3370 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount fs/namespace.c:3568 [inline] __arm64_sys_mount+0x2c4/0x3c4 fs/namespace.c:3568 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall arch/arm64/kernel/syscall.c:52 [inline] el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x48/0x164 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x150 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:584 irq event stamp: 1278 hardirqs last enabled at (1277): [] raw_spin_rq_unlock_irq kernel/sched/sched.h:1366 [inline] hardirqs last enabled at (1277): [] finish_lock_switch+0x94/0xe8 kernel/sched/core.c:4950 hardirqs last disabled at (1278): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (1254): [] _stext+0x2e4/0x37c softirqs last disabled at (1249): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79 ---[ end trace 0000000000000000 ]---