------------[ cut here ]------------ WARNING: CPU: 0 PID: 6805 at fs/ext4/inode.c:3415 ext4_iomap_begin+0x788/0x8c0 fs/ext4/inode.c:3415 Modules linked in: CPU: 0 UID: 0 PID: 6805 Comm: syz.3.40 Not tainted 6.15.0-rc7-syzkaller-gd7fa1af5b33e #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ext4_iomap_begin+0x788/0x8c0 fs/ext4/inode.c:3415 lr : ext4_iomap_begin+0x788/0x8c0 fs/ext4/inode.c:3415 sp : ffff80009bb47340 x29: ffff80009bb47460 x28: 0000000000002000 x27: 0000000000000011 x26: ffff700013768e78 x25: 1fffe0001e3ef7e4 x24: dfff800000000000 x23: ffff0000f1f7be60 x22: 00000000000000d4 x21: ffff0000f1f7bf22 x20: 0000000000000000 x19: 000000000000000b x18: 00000000ffffffff x17: ffff800092f39000 x16: ffff80008ad27e48 x15: 0000000000000003 x14: 1ffff00013768e7e x13: 0000000000000000 x12: 0000000000000000 x11: ffff700013768e81 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000d1060000 x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff80009bb47758 x4 : 0000000000000000 x3 : 0000000000000010 x2 : 0000000000000008 x1 : 00000000000000d4 x0 : 0000000000000000 Call trace: ext4_iomap_begin+0x788/0x8c0 fs/ext4/inode.c:3415 (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:575 [inline] ext4_file_write_iter+0x13e8/0x1864 fs/ext4/file.c:716 new_sync_write fs/read_write.c:591 [inline] vfs_write+0x62c/0x97c fs/read_write.c:684 ksys_write+0x120/0x210 fs/read_write.c:736 __do_sys_write fs/read_write.c:747 [inline] __se_sys_write fs/read_write.c:744 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:744 __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+0x58/0x17c arch/arm64/kernel/entry-common.c:767 el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 irq event stamp: 6980 hardirqs last enabled at (6979): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (6979): [] _raw_spin_unlock_irq+0x30/0x80 kernel/locking/spinlock.c:202 hardirqs last disabled at (6980): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:511 softirqs last enabled at (6952): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (6950): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]---