------------[ cut here ]------------ WARNING: CPU: 1 PID: 6748 at fs/ext4/inode.c:3794 ext4_iomap_begin+0x117c/0x1378 fs/ext4/inode.c:3794 Modules linked in: CPU: 1 UID: 0 PID: 6748 Comm: syz.0.14 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : ext4_iomap_begin+0x117c/0x1378 fs/ext4/inode.c:3794 lr : ext4_iomap_begin+0x117c/0x1378 fs/ext4/inode.c:3794 sp : ffff8000a4157340 x29: ffff8000a4157480 x28: ffff0000f81b95b8 x27: ffff70001482ae7c x26: dfff800000000000 x25: 0000000000000000 x24: 0000000000000011 x23: 1fffe0001f0372cf x22: ffff8000a4157728 x21: 00000000000000d4 x20: 0000000000000000 x19: ffff0000f81b967a x18: 00000000ffffffff x17: ffff800093335000 x16: ffff80008ad6b188 x15: 0000000000000003 x14: 1ffff0001482ae82 x13: 0000000000000000 x12: 0000000000000000 x11: ffff70001482ae85 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000d9501ec0 x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff8000a4157790 x4 : 0000000000000000 x3 : 0000000000000010 x2 : 0000000000000008 x1 : 00000000000000d4 x0 : 0000000000000000 Call trace: ext4_iomap_begin+0x117c/0x1378 fs/ext4/inode.c:3794 (P) iomap_iter+0x494/0xe10 fs/iomap/iter.c:108 __iomap_dio_rw+0xa00/0x1c60 fs/iomap/direct-io.c:731 iomap_dio_rw+0x5c/0xa8 fs/iomap/direct-io.c:821 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+0x540/0xa3c 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+0x98/0x254 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x5c/0x254 arch/arm64/kernel/entry-common.c:724 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 3332 hardirqs last enabled at (3331): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (3331): [] _raw_spin_unlock_irq+0x30/0x80 kernel/locking/spinlock.c:202 hardirqs last disabled at (3332): [] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:412 softirqs last enabled at (3298): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (3296): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]---