------------[ cut here ]------------ WARNING: CPU: 1 PID: 19527 at fs/buffer.c:1081 mark_buffer_dirty+0x59d/0xa20 fs/buffer.c:1081 Modules linked in: CPU: 1 PID: 19527 Comm: syz-executor.2 Not tainted 5.19.0-rc4-syzkaller-00036-gd9b2ba67917c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:mark_buffer_dirty+0x59d/0xa20 fs/buffer.c:1081 Code: 89 ee 41 83 e6 01 4c 89 f6 e8 8f c2 94 ff 4d 85 f6 0f 84 7a fe ff ff e8 21 c6 94 ff 49 8d 5d ff e9 6c fe ff ff e8 13 c6 94 ff <0f> 0b e9 ac fa ff ff e8 07 c6 94 ff 0f 0b e9 d0 fa ff ff e8 fb c5 RSP: 0018:ffffc90014157d48 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88806f03b570 RCX: 0000000000000000 RDX: ffff888037f76100 RSI: ffffffff81e4d16d RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff8880371287d8 R13: 0000000000000000 R14: 0000000000000000 R15: ffffed100f18840a FS: 00007f695926a700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f749bf691b8 CR3: 000000002000b000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: minix_put_super+0x199/0x500 fs/minix/inode.c:49 generic_shutdown_super+0x14c/0x400 fs/super.c:462 kill_block_super+0x97/0xf0 fs/super.c:1394 deactivate_locked_super+0x94/0x160 fs/super.c:332 deactivate_super+0xad/0xd0 fs/super.c:363 cleanup_mnt+0x3a2/0x540 fs/namespace.c:1186 task_work_run+0xdd/0x1a0 kernel/task_work.c:177 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:169 [inline] exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:201 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline] syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:294 do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x46/0xb0 RIP: 0033:0x7f6958089109 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f695926a168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffec RBX: 00007f695819c030 RCX: 00007f6958089109 RDX: 0000000020000140 RSI: 00000000200000c0 RDI: 00000000200002c0 RBP: 00007f69580e305d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd6b49b05f R14: 00007f695926a300 R15: 0000000000022000