loop0: detected capacity change from 0 to 2048 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 3497 at fs/nilfs2/dat.c:158 nilfs_dat_prepare_end+0x248/0x2a0 Modules linked in: CPU: 1 PID: 3497 Comm: syz-executor202 Not tainted 5.15.113-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 RIP: 0010:nilfs_dat_prepare_end+0x248/0x2a0 fs/nilfs2/dat.c:158 Code: 01 5c fe 89 eb 89 d8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 c7 01 5c fe e8 52 9f dc fd e9 5a ff ff ff e8 b8 01 5c 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:ffffc90002bdf178 EFLAGS: 00010293 RAX: ffffffff8323e798 RBX: 00000000fffffffe RCX: ffff88807a4b3b80 RDX: 0000000000000000 RSI: 00000000fffffffe RDI: 00000000fffffffe RBP: 1ffff1100f2aaa63 R08: ffffffff8323e711 R09: ffffffff83221850 R10: 0000000000000002 R11: ffff88807a4b3b80 R12: ffff888079555318 R13: ffff888072870158 R14: ffff888079555330 R15: dffffc0000000000 FS: 0000555555d9f300(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1aded211c0 CR3: 0000000020384000 CR4: 00000000003506e0 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+0x4be/0x11b0 fs/nilfs2/btree.c:1599 nilfs_bmap_do_delete fs/nilfs2/bmap.c:184 [inline] nilfs_bmap_do_truncate fs/nilfs2/bmap.c:272 [inline] nilfs_bmap_truncate+0x2fc/0x560 fs/nilfs2/bmap.c:305 nilfs_truncate_bmap+0x203/0x3c0 fs/nilfs2/inode.c:850 nilfs_truncate+0x28b/0x500 fs/nilfs2/inode.c:880 nilfs_setattr+0x216/0x2c0 fs/nilfs2/inode.c:994 notify_change+0xd4d/0x1000 fs/attr.c:488 do_truncate+0x21c/0x300 fs/open.c:65 handle_truncate fs/namei.c:3195 [inline] do_open fs/namei.c:3542 [inline] path_openat+0x28a0/0x2f20 fs/namei.c:3672 do_filp_open+0x21c/0x460 fs/namei.c:3699 do_sys_openat2+0x13b/0x500 fs/open.c:1211 do_sys_open fs/open.c:1227 [inline] __do_sys_openat fs/open.c:1243 [inline] __se_sys_openat fs/open.c:1238 [inline] __x64_sys_openat+0x243/0x290 fs/open.c:1238 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f1aded477b9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 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 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffdd11c9ed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1aded477b9 RDX: 0000000000000600 RSI: 0000000020000040 RDI: 00000000ffffff9c RBP: 00007f1aded07050 R08: 0000000000000a1f R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1aded070e0 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000