WARNING: CPU: 1 PID: 21676 at fs/nilfs2/dat.c:158 nilfs_dat_prepare_end+0x247/0x2a0 Modules linked in: CPU: 0 PID: 21676 Comm: syz-executor.5 Not tainted 6.2.0-rc5-syzkaller-00221-gab072681eabe #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 RIP: 0010:nilfs_dat_prepare_end+0x247/0x2a0 fs/nilfs2/dat.c:158 Code: 1d 35 fe 89 eb 89 d8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 d8 1d 35 fe e8 63 c2 a7 fd e9 5a ff ff ff e8 c9 1d 35 fe <0f> 0b bb fe ff ff ff eb d2 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c RSP: 0018:ffffc9000376f1b8 EFLAGS: 00010283 RAX: ffffffff8358cbd7 RBX: 00000000fffffffe RCX: 0000000000040000 RDX: ffffc90005bb1000 RSI: 000000000001cae4 RDI: 000000000001cae5 RBP: 1ffff110047736a3 R08: ffffffff8358cb50 R09: ffffffff83570667 R10: 0000000000000002 R11: ffff888020dfba80 R12: ffff888023b9b518 R13: ffff888091ca8158 R14: ffff888023b9b530 R15: dffffc0000000000 FS: 00007f3ce669c700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0fa4b92000 CR3: 0000000018e90000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: nilfs_bmap_prepare_end_ptr fs/nilfs2/bmap.h:211 [inline] nilfs_btree_prepare_delete fs/nilfs2/btree.c:1451 [inline] nilfs_btree_delete+0x4cc/0x1230 fs/nilfs2/btree.c:1599 nilfs_bmap_do_delete fs/nilfs2/bmap.c:176 [inline] nilfs_bmap_do_truncate fs/nilfs2/bmap.c:264 [inline] nilfs_bmap_truncate+0x32d/0x570 fs/nilfs2/bmap.c:297 nilfs_truncate_bmap+0x228/0x3e0 fs/nilfs2/inode.c:846 nilfs_truncate+0x260/0x4d0 fs/nilfs2/inode.c:876 nilfs_setattr+0x215/0x2b0 fs/nilfs2/inode.c:972 notify_change+0xe50/0x1100 fs/attr.c:482 do_truncate+0x219/0x300 fs/open.c:65 handle_truncate fs/namei.c:3216 [inline] do_open fs/namei.c:3561 [inline] path_openat+0x273d/0x2de0 fs/namei.c:3714 do_filp_open+0x275/0x500 fs/namei.c:3741 do_sys_openat2+0x13b/0x500 fs/open.c:1310 do_sys_open fs/open.c:1326 [inline] __do_sys_open fs/open.c:1334 [inline] __se_sys_open fs/open.c:1330 [inline] __x64_sys_open+0x221/0x270 fs/open.c:1330 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f3ce588c0c9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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:00007f3ce669c168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f3ce59abf80 RCX: 00007f3ce588c0c9 RDX: 0000000000000000 RSI: 0000000000000204 RDI: 00000000200049c0 RBP: 00007f3ce58e7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc5c49318f R14: 00007f3ce669c300 R15: 0000000000022000