------------[ cut here ]------------
WARNING: CPU: 1 PID: 6880 at fs/bcachefs/fs-io.c:315 __bch2_truncate_folio+0x1e80/0x2198 fs/bcachefs/fs-io.c:315
Modules linked in:
CPU: 1 UID: 0 PID: 6880 Comm: syz.3.90 Tainted: G        W          6.13.0-rc6-syzkaller-g577490b6abb9 #0
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __bch2_truncate_folio+0x1e80/0x2198 fs/bcachefs/fs-io.c:315
lr : __bch2_truncate_folio+0x1e80/0x2198 fs/bcachefs/fs-io.c:315
sp : ffff8000a49671e0
x29: ffff8000a4967480 x28: 0000000000000000 x27: ffff8000a4967440
x26: ffff70001492ce60 x25: 1fffe0001f2161ea x24: 1ffff0001492ce88
x23: dfff800000000000 x22: 0000000000000000 x21: 0000000000000000
x20: ffff0000f90b0f50 x19: 00000000ffffffff x18: ffff8000a4966ce0
x17: 0000000000027827 x16: ffff80008046323c x15: 0000000000000001
x14: 1fffffbff864a090 x13: 0000000000000000 x12: ffff70001492ce0c
x11: 0000000000080000 x10: 00000000000037b3 x9 : ffff8000a7841000
x8 : 00000000000037b4 x7 : ffff800080158538 x6 : ffff800080158734
x5 : ffff0000f095b4a8 x4 : 0000000000000001 x3 : ffff8000a4967440
x2 : 0000000000001003 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 __bch2_truncate_folio+0x1e80/0x2198 fs/bcachefs/fs-io.c:315 (P)
 bch2_truncate_folios fs/bcachefs/fs-io.c:354 [inline]
 bchfs_fpunch+0x108/0x5f0 fs/bcachefs/fs-io.c:508
 bch2_fallocate_dispatch+0x35c/0x4e8 fs/bcachefs/fs-io.c:782
 vfs_fallocate+0x484/0x5c0 fs/open.c:327
 ioctl_preallocate+0x2dc/0x334 fs/ioctl.c:290
 do_vfs_ioctl+0x1ea4/0x2aa8 fs/ioctl.c:885
 __do_sys_ioctl fs/ioctl.c:904 [inline]
 __se_sys_ioctl fs/ioctl.c:892 [inline]
 __arm64_sys_ioctl+0xe4/0x1cc fs/ioctl.c:892
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
irq event stamp: 82746
hardirqs last  enabled at (82745): [<ffff80008050af4c>] __call_rcu_common kernel/rcu/tree.c:3108 [inline]
hardirqs last  enabled at (82745): [<ffff80008050af4c>] call_rcu+0x640/0xb00 kernel/rcu/tree.c:3190
hardirqs last disabled at (82746): [<ffff80008b6a2044>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488
softirqs last  enabled at (82664): [<ffff80008030f088>] softirq_handle_end kernel/softirq.c:407 [inline]
softirqs last  enabled at (82664): [<ffff80008030f088>] handle_softirqs+0xb44/0xd34 kernel/softirq.c:589
softirqs last disabled at (82625): [<ffff800080020db4>] __do_softirq+0x14/0x20 kernel/softirq.c:595
---[ end trace 0000000000000000 ]---