------------[ cut here ]------------
WARNING: CPU: 0 PID: 12614 at fs/bcachefs/fs-io.c:327 __bch2_truncate_folio+0x1a33/0x1d80 fs/bcachefs/fs-io.c:327
Modules linked in:
CPU: 0 PID: 12614 Comm: syz-executor.2 Not tainted 6.10.0-rc1-next-20240528-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:__bch2_truncate_folio+0x1a33/0x1d80 fs/bcachefs/fs-io.c:327
Code: 41 5f 5d c3 cc cc cc cc e8 9a 84 6b fd 48 c7 c7 ed b0 c1 8d e8 ce 1a ea ff 89 05 a8 2c 6a 10 e9 ed ea ff ff e8 7e 84 6b fd 90 <0f> 0b 90 e9 0a fa ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c f0
RSP: 0018:ffffc90002fc76c0 EFLAGS: 00010283
RAX: ffffffff842ab282 RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc9000b12a000 RSI: 000000000000a4b8 RDI: 000000000000a4b9
RBP: ffffc90002fc7950 R08: ffffffff842aac87 R09: 1ffffd400011f160
R10: dffffc0000000000 R11: fffff9400011f161 R12: 1ffff1100bb7aeca
R13: ffff88803640075a R14: 0000000000000000 R15: ffff88805dbd7650
FS:  00007f7806b226c0(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc185221f78 CR3: 000000005f394000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 bch2_truncate_folios fs/bcachefs/fs-io.c:366 [inline]
 bchfs_fpunch fs/bcachefs/fs-io.c:520 [inline]
 bch2_fallocate_dispatch+0x7d2/0x3a30 fs/bcachefs/fs-io.c:785
 vfs_fallocate+0x553/0x6c0 fs/open.c:334
 ksys_fallocate fs/open.c:357 [inline]
 __do_sys_fallocate fs/open.c:365 [inline]
 __se_sys_fallocate fs/open.c:363 [inline]
 __x64_sys_fallocate+0xbd/0x110 fs/open.c:363
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7805e7cee9
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:00007f7806b220c8 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f7805fb3fa0 RCX: 00007f7805e7cee9
RDX: 0000000000000002 RSI: 0000000000000003 RDI: 0000000000000004
RBP: 00007f7805ec947f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000010000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f7805fb3fa0 R15: 00007ffcb2b3c3e8
 </TASK>