------------[ cut here ]------------ WARNING: CPU: 1 PID: 7364 at fs/ext4/inode.c:3725 ext4_iomap_begin+0x1160/0x135c fs/ext4/inode.c:3725 Modules linked in: CPU: 1 UID: 0 PID: 7364 Comm: syz.4.123 Not tainted 6.16.0-rc5-syzkaller-gec4801305969 #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ext4_iomap_begin+0x1160/0x135c fs/ext4/inode.c:3725 lr : ext4_iomap_begin+0x1160/0x135c fs/ext4/inode.c:3725 sp : ffff8000a09c7320 x29: ffff8000a09c7460 x28: ffff0000f36af558 x27: ffff700014138e78 x26: dfff800000000000 x25: 0000000000000000 x24: 0000000000000011 x23: 1fffe0001e6d5ec3 x22: ffff8000a09c76e8 x21: 00000000000000d4 x20: 0000000000000000 x19: ffff0000f36af61a x18: 00000000ffffffff x17: ffff800093364000 x16: ffff80008ae63d08 x15: 0000000000000003 x14: 1ffff00014138e7e x13: 0000000000000000 x12: 0000000000000000 x11: ffff700014138e81 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000cae25b80 x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff8000a09c7758 x4 : 0000000000000000 x3 : 0000000000000010 x2 : 0000000000000008 x1 : 00000000000000d4 x0 : 0000000000000000 Call trace: ext4_iomap_begin+0x1160/0x135c fs/ext4/inode.c:3725 (P) iomap_iter+0x494/0xe10 fs/iomap/iter.c:109 __iomap_dio_rw+0xa0c/0x1c40 fs/iomap/direct-io.c:733 iomap_dio_rw+0x5c/0xa8 fs/iomap/direct-io.c:823 ext4_dio_write_iter fs/ext4/file.c:580 [inline] ext4_file_write_iter+0x13e8/0x1864 fs/ext4/file.c:721 new_sync_write fs/read_write.c:593 [inline] vfs_write+0x62c/0x97c fs/read_write.c:686 ksys_write+0x120/0x210 fs/read_write.c:738 __do_sys_write fs/read_write.c:749 [inline] __se_sys_write fs/read_write.c:746 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:746 __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+0x58/0x180 arch/arm64/kernel/entry-common.c:879 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:898 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 6728 hardirqs last enabled at (6727): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (6727): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (6728): [] el1_brk64+0x1c/0x48 arch/arm64/kernel/entry-common.c:574 softirqs last enabled at (6700): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (6698): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]---