sysv_free_inode: inode 0,1,2 or nonexistent inode
------------[ cut here ]------------
WARNING: CPU: 1 PID: 5233 at fs/buffer.c:1177 mark_buffer_dirty+0x2e5/0x520 fs/buffer.c:1177
Modules linked in:
CPU: 1 UID: 0 PID: 5233 Comm: syz-executor153 Not tainted 6.12.0-rc2-syzkaller-00260-g9e4c6c1ad9a1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:mark_buffer_dirty+0x2e5/0x520 fs/buffer.c:1177
Code: 89 df e8 9e 89 db ff 48 8b 3b be 20 00 00 00 5b 41 5e 41 5f 5d e9 fb e8 fb ff e8 76 fc 74 ff e9 73 ff ff ff e8 6c fc 74 ff 90 <0f> 0b 90 e9 61 fd ff ff e8 5e fc 74 ff 90 0f 0b 90 e9 88 fd ff ff
RSP: 0018:ffffc900034ef8a8 EFLAGS: 00010293
RAX: ffffffff821fea94 RBX: 1ffff11005f3a601 RCX: ffff88802e628000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff821fe7f1 R09: 1ffff1100e23f979
R10: dffffc0000000000 R11: ffffed100e23f97a R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff8880711fcbc8 R15: ffff88802f9d3038
FS:  0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe20a657d28 CR3: 0000000029402000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 sysv_put_super+0x93/0x180 fs/sysv/inode.c:76
 generic_shutdown_super+0x139/0x2d0 fs/super.c:642
 kill_block_super+0x44/0x90 fs/super.c:1696
 deactivate_locked_super+0xc4/0x130 fs/super.c:473
 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373
 task_work_run+0x24f/0x310 kernel/task_work.c:228
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0xa2f/0x28e0 kernel/exit.c:939
 do_group_exit+0x207/0x2c0 kernel/exit.c:1088
 get_signal+0x16a3/0x1740 kernel/signal.c:2917
 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218
 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe20a60bb09
Code: Unable to access opcode bytes at 0x7fe20a60badf.
RSP: 002b:00007fe20a596218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fe20a6976f8 RCX: 00007fe20a60bb09
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fe20a6976f8
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe20a6976f0
R13: 00007fe20a663aa0 R14: 0030656c69662f2e R15: 00007fe20a658047
 </TASK>