------------[ cut here ]------------ WARNING: CPU: 1 PID: 19821 at fs/nilfs2/ioctl.c:772 nilfs_ioctl_mark_blocks_dirty fs/nilfs2/ioctl.c:772 [inline] WARNING: CPU: 1 PID: 19821 at fs/nilfs2/ioctl.c:772 nilfs_ioctl_prepare_clean_segments+0x7da/0x7f0 fs/nilfs2/ioctl.c:814 Modules linked in: CPU: 1 PID: 19821 Comm: syz.6.3742 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 RIP: 0010:nilfs_ioctl_mark_blocks_dirty fs/nilfs2/ioctl.c:772 [inline] RIP: 0010:nilfs_ioctl_prepare_clean_segments+0x7da/0x7f0 fs/nilfs2/ioctl.c:814 Code: 9c fe e9 47 fa ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c dd fa ff ff 4c 89 ef e8 c0 be 9c fe e9 d0 fa ff ff e8 86 b2 4b fe <0f> 0b 41 bf fe ff ff ff e9 eb fe ff ff 66 0f 1f 84 00 00 00 00 00 RSP: 0018:ffffc90003b77740 EFLAGS: 00010283 RAX: ffffffff8336c2ca RBX: 00000000fffffffe RCX: 0000000000080000 RDX: ffffc9001ec07000 RSI: 0000000000009aa1 RDI: 0000000000009aa2 RBP: ffffc90003b77830 R08: ffff888029ec8000 R09: 0000000000000002 R10: 00000000fffffffe R11: 0000000000000002 R12: dffffc0000000000 R13: 0000000000000026 R14: ffff888055a90158 R15: ffffc900041491a8 FS: 00007fb45559f6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc6a4be4000 CR3: 000000005e318000 CR4: 00000000003506e0 Call Trace: nilfs_clean_segments+0x189/0xa40 fs/nilfs2/segment.c:2516 nilfs_ioctl_clean_segments fs/nilfs2/ioctl.c:940 [inline] nilfs_ioctl+0x203c/0x21a0 fs/nilfs2/ioctl.c:1304 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:870 [inline] __se_sys_ioctl+0xfa/0x170 fs/ioctl.c:856 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7fb45479c819 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb45559f028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fb454a15fa0 RCX: 00007fb45479c819 RDX: 0000200000000640 RSI: 0000000040786e88 RDI: 0000000000000004 RBP: 00007fb454832c91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fb454a16038 R14: 00007fb454a15fa0 R15: 00007ffe03f0c128