loop0: detected capacity change from 0 to 64 Buffer I/O error on dev loop0, logical block 1, lost async page write ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5345 at fs/buffer.c:1189 mark_buffer_dirty+0x2a9/0x410 fs/buffer.c:1189 Modules linked in: CPU: 0 UID: 0 PID: 5345 Comm: syz.0.0 Not tainted 6.16.0-rc7-syzkaller #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:ffffc9000f3e7ca0 EFLAGS: 00010293 RAX: ffffffff8245fea8 RBX: ffff8880442cad98 RCX: ffff88801f72c880 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 RBP: 0000000000000001 R08: ffff8880442cad9f R09: 1ffff110088595b3 R10: dffffc0000000000 R11: ffffed10088595b4 R12: 1ffff11003cd18c8 R13: ffff8880114cfe00 R14: ffff88801e68c640 R15: ffff8880114cfe48 FS: 00007f17325a66c0(0000) GS:ffff88808d218000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffc6882df40 CR3: 000000004363c000 CR4: 0000000000352ef0 Call Trace: minix_put_super+0x16d/0x460 fs/minix/inode.c:50 generic_shutdown_super+0x135/0x2c0 fs/super.c:643 kill_block_super+0x44/0x90 fs/super.c:1755 deactivate_locked_super+0xb9/0x130 fs/super.c:474 cleanup_mnt+0x425/0x4c0 fs/namespace.c:1417 task_work_run+0x1d1/0x260 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xec/0x110 kernel/entry/common.c:114 exit_to_user_mode_prepare include/linux/entry-common.h:330 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:414 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:449 [inline] do_syscall_64+0x2bd/0x3b0 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f173179014a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007f17325a5e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffec RBX: 00007f17325a5ef0 RCX: 00007f173179014a RDX: 0000200000000100 RSI: 0000200000000080 RDI: 00007f17325a5eb0 RBP: 0000200000000100 R08: 00007f17325a5ef0 R09: 0000000002004000 R10: 0000000002004000 R11: 0000000000000246 R12: 0000200000000080 R13: 00007f17325a5eb0 R14: 00000000000001f2 R15: 0000200000001180