WARNING: CPU: 1 PID: 4081 at fs/nilfs2/dat.c:158 nilfs_dat_prepare_end+0x248/0x2a0 Modules linked in: CPU: 1 PID: 4081 Comm: syz-executor.1 Not tainted 5.15.148-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 RIP: 0010:nilfs_dat_prepare_end+0x248/0x2a0 fs/nilfs2/dat.c:158 Code: 47 5b fe 89 eb 89 d8 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 27 47 5b fe e8 c2 a0 db fd e9 5a ff ff ff e8 18 47 5b 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:ffffc900088f7178 EFLAGS: 00010287 RAX: ffffffff8324e6a8 RBX: 00000000fffffffe RCX: 0000000000040000 RDX: ffffc900040a1000 RSI: 00000000000168ae RDI: 00000000000168af RBP: 1ffff11012453f13 R08: ffffffff8324e621 R09: ffffffff83231760 R10: 0000000000000002 R11: ffff8880216e5940 R12: ffff88809229f898 R13: ffff88809649a160 R14: ffff88809229f8b0 R15: dffffc0000000000 FS: 00007f52cc4696c0(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fecbf1fd6c6 CR3: 000000001a6ca000 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+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+0xc6d/0xf50 fs/attr.c:505 do_truncate+0x21c/0x300 fs/open.c:65 handle_truncate fs/namei.c:3271 [inline] do_open fs/namei.c:3618 [inline] path_openat+0x28a0/0x2f20 fs/namei.c:3748 do_filp_open+0x21c/0x460 fs/namei.c:3775 do_sys_openat2+0x13b/0x500 fs/open.c:1211 do_sys_open fs/open.c:1227 [inline] __do_sys_open fs/open.c:1235 [inline] __se_sys_open fs/open.c:1231 [inline] __x64_sys_open+0x221/0x270 fs/open.c:1231 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: 0033:0x7f52cdee8da9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f52cc4690c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f52ce016f80 RCX: 00007f52cdee8da9 RDX: 0000000000000000 RSI: 0000000000080a00 RDI: 0000000020000000 RBP: 00007f52cdf3547a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f52ce016f80 R15: 00007ffd27a2b6a8