F2FS-fs (loop2): Cannot turn on quotas: -2 on 0
F2FS-fs (loop2): Start checkpoint disabled!
BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD 7eb16067 P4D 7eb16067 PUD 0 
Oops: 0010 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 19268 Comm: syz.2.6368 Not tainted 5.15.179-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:0x0
Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.
RSP: 0018:ffffc9000323f538 EFLAGS: 00010282
RAX: 1ffffffff156e003 RBX: ffffea0001945000 RCX: ffffffff8ab70018
RDX: ffffc90005839000 RSI: 000000000007ffff RDI: ffffea0001945000
RBP: ffffc9000323f730 R08: ffffffff81abb0f9 R09: fffff94000328a01
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88805ea1c000 R14: ffff88802deda000 R15: ffff88805ea1c000
FS:  00007fcb94b366c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 000000005e924000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 f2fs_update_meta_page+0x45/0x60 fs/f2fs/segment.c:2470
 do_checkpoint+0x1e3c/0x4310 fs/f2fs/checkpoint.c:1544
 f2fs_write_checkpoint+0x126f/0x1b50 fs/f2fs/checkpoint.c:1700
 f2fs_disable_checkpoint+0x405/0x550 fs/f2fs/super.c:2147
 f2fs_fill_super+0x76ab/0x8350 fs/f2fs/super.c:4375
 mount_bdev+0x2c9/0x3f0 fs/super.c:1400
 legacy_get_tree+0xeb/0x180 fs/fs_context.c:611
 vfs_get_tree+0x88/0x270 fs/super.c:1530
 do_new_mount+0x2ba/0xb40 fs/namespace.c:3012
 do_mount fs/namespace.c:3355 [inline]
 __do_sys_mount fs/namespace.c:3563 [inline]
 __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3540
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fcb96cce90a
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:00007fcb94b35e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fcb94b35ef0 RCX: 00007fcb96cce90a
RDX: 0000400000000140 RSI: 00004000000000c0 RDI: 00007fcb94b35eb0
RBP: 0000400000000140 R08: 00007fcb94b35ef0 R09: 000000000000c618
R10: 000000000000c618 R11: 0000000000000246 R12: 00004000000000c0
R13: 00007fcb94b35eb0 R14: 000000000000551d R15: 0000400000001140
 </TASK>
Modules linked in:
CR2: 0000000000000000
---[ end trace 96880c97d6b3d675 ]---
RIP: 0010:0x0
Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6.
RSP: 0018:ffffc9000323f538 EFLAGS: 00010282
RAX: 1ffffffff156e003 RBX: ffffea0001945000 RCX: ffffffff8ab70018
RDX: ffffc90005839000 RSI: 000000000007ffff RDI: ffffea0001945000
RBP: ffffc9000323f730 R08: ffffffff81abb0f9 R09: fffff94000328a01
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88805ea1c000 R14: ffff88802deda000 R15: ffff88805ea1c000
FS:  00007fcb94b366c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 000000005e924000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400