Buffer I/O error on dev loop0, logical block 128, lost async page write Buffer I/O error on dev loop0, logical block 784, lost async page write ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5344 at fs/buffer.c:1189 mark_buffer_dirty+0x2a9/0x410 fs/buffer.c:1189 Modules linked in: CPU: 0 UID: 0 PID: 5344 Comm: syz.0.0 Not tainted 6.16.0-rc7-syzkaller-00093-g94ce1ac2c9b4 #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:mark_buffer_dirty+0x2a9/0x410 fs/buffer.c:1189 Code: 4c 89 f7 e8 19 b3 dd ff 49 8b 3e be 20 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 84 33 fc ff e8 5f 32 7a ff eb 8c e8 58 32 7a ff 90 <0f> 0b 90 e9 95 fd ff ff e8 4a 32 7a ff 90 0f 0b 90 e9 bf fd ff ff RSP: 0018:ffffc9000d3cfbb0 EFLAGS: 00010283 RAX: ffffffff8245fea8 RBX: ffff888031ccb3a0 RCX: 0000000000100000 RDX: ffffc90020001000 RSI: 000000000000891e RDI: 000000000000891f RBP: ffffc9000d3cfc01 R08: ffff888031ccb3a7 R09: 1ffff11006399674 R10: dffffc0000000000 R11: ffffed1006399675 R12: ffff88804d245004 R13: dffffc0000000000 R14: dffffc0000000000 R15: ffff88804d24500b FS: 00007fa9ff0236c0(0000) GS:ffff88808d218000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa9fefe0fc8 CR3: 0000000011b10000 CR4: 0000000000352ef0 Call Trace: udf_sync_fs+0x200/0x350 fs/udf/super.c:2390 sync_filesystem+0x1cf/0x230 fs/sync.c:66 udf_reconfigure+0x16c/0x540 fs/udf/super.c:661 reconfigure_super+0x224/0x890 fs/super.c:1077 vfs_cmd_reconfigure fs/fsopen.c:262 [inline] vfs_fsconfig_locked+0x171/0x320 fs/fsopen.c:291 __do_sys_fsconfig fs/fsopen.c:467 [inline] __se_sys_fsconfig+0x78e/0x8d0 fs/fsopen.c:344 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa9fe18e9a9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fa9ff023038 EFLAGS: 00000246 ORIG_RAX: 00000000000001af RAX: ffffffffffffffda RBX: 00007fa9fe3b6160 RCX: 00007fa9fe18e9a9 RDX: 0000000000000000 RSI: 0000000000000007 RDI: 000000000000000e RBP: 00007fa9fe210d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fa9fe3b6160 R15: 00007fff92418e88