------------[ cut here ]------------
WARNING: fs/ext4/inode.c:3779 at ext4_iomap_begin+0xcd8/0xde4 fs/ext4/inode.c:3779, CPU#1: syz.1.92/5376
Modules linked in:
CPU: 1 UID: 0 PID: 5376 Comm: syz.1.92 Tainted: G             L      syzkaller #0 PREEMPT 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026
pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : ext4_iomap_begin+0xcd8/0xde4 fs/ext4/inode.c:3779
lr : ext4_iomap_begin+0xcd8/0xde4 fs/ext4/inode.c:3779
sp : ffff800097637420
x29: ffff800097637540 x28: ffff800097637748 x27: 000000000000000a
x26: 0000000000000002 x25: 0000000000000011 x24: 0000000000000000
x23: ffff0000dab8f810 x22: ffff700012ec6e94 x21: 00000000000000d4
x20: 0000000000000000 x19: dfff800000000000 x18: ffff8001237d4000
x17: ffff0001acf92e03 x16: ffff0000ca690014 x15: 00000000000000fe
x14: 00000000006328f2 x13: 0000000000000004 x12: 0000000000000000
x11: 0000000000000000 x10: ffff700012ec6e9e x9 : 0000000000000000
x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff800081016878
x2 : 00000000000000d4 x1 : ffff0000ca690000 x0 : 0000000000000000
Call trace:
 ext4_iomap_begin+0xcd8/0xde4 fs/ext4/inode.c:3779 (P)
 iomap_iter_next include/linux/iomap.h:382 [inline]
 ext4_iomap_next+0x108/0x168 fs/ext4/inode.c:3847
 iomap_iter+0x10c/0xf34 fs/iomap/iter.c:122
 __iomap_dio_rw+0x9a0/0x1674 fs/iomap/direct-io.c:815
 iomap_dio_rw+0x5c/0xa8 fs/iomap/direct-io.c:910
 ext4_dio_write_iter fs/ext4/file.c:648 [inline]
 ext4_file_write_iter+0xf8c/0x1478 fs/ext4/file.c:794
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x51c/0xa0c fs/read_write.c:687
 ksys_write+0x12c/0x228 fs/read_write.c:739
 __do_sys_write fs/read_write.c:750 [inline]
 __se_sys_write fs/read_write.c:747 [inline]
 __arm64_sys_write+0x84/0x98 fs/read_write.c:747
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121
 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140
 el0_svc+0x60/0x1d8 arch/arm64/kernel/entry-common.c:796
 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:815
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:606
irq event stamp: 746
hardirqs last  enabled at (745): [<ffff8000868dd704>] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:219 [inline]
hardirqs last  enabled at (745): [<ffff8000868dd704>] _raw_spin_unlock_irq+0x30/0x80 kernel/locking/spinlock.c:229
hardirqs last disabled at (746): [<ffff8000868b91fc>] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:483
softirqs last  enabled at (704): [<ffff80008013bacc>] local_bh_enable include/linux/bottom_half.h:33 [inline]
softirqs last  enabled at (704): [<ffff80008013bacc>] put_cpu_fpsimd_context arch/arm64/kernel/fpsimd.c:251 [inline]
softirqs last  enabled at (704): [<ffff80008013bacc>] fpsimd_restore_current_state+0x39c/0x9c8 arch/arm64/kernel/fpsimd.c:1781
softirqs last disabled at (702): [<ffff80008013b774>] local_bh_disable include/linux/bottom_half.h:20 [inline]
softirqs last disabled at (702): [<ffff80008013b774>] get_cpu_fpsimd_context arch/arm64/kernel/fpsimd.c:234 [inline]
softirqs last disabled at (702): [<ffff80008013b774>] fpsimd_restore_current_state+0x44/0x9c8 arch/arm64/kernel/fpsimd.c:1774
---[ end trace 0000000000000000 ]---