------------[ cut here ]------------
kernel BUG at fs/ext4/inode.c:1721!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 7979 Comm: syz-executor.2 Not tainted 5.15.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:ext4_da_map_blocks fs/ext4/inode.c:1721 [inline]
RIP: 0010:ext4_da_get_block_prep+0xdf8/0x1070 fs/ext4/inode.c:1830
Code: e8 dd 2e ad ff e9 d9 f3 ff ff e8 33 c1 66 ff be 08 00 00 00 48 89 df e8 46 32 ad ff f0 80 0b 20 e9 99 fd ff ff e8 18 c1 66 ff <0f> 0b e8 11 c1 66 ff 0f 0b e8 0a c1 66 ff 0f 0b e8 03 c1 66 ff 48
RSP: 0000:ffffc90005597900 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88802a3f40e8 RCX: 0000000000000000
RDX: ffff88801c5ed700 RSI: ffffffff8210b178 RDI: 0000000000000003
RBP: ffffffffffffffff R08: ffffffffffffffff R09: 0000000000000000
R10: ffffffff8210ae1c R11: 0000000000000000 R12: 0000000000000000
R13: 1ffff92000ab2f24 R14: ffffffffffff0000 R15: 0000000000000004
FS:  0000555556466400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000044 CR3: 000000007a441000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __block_write_begin_int+0x43e/0x1830 fs/buffer.c:2010
 __block_write_begin fs/buffer.c:2060 [inline]
 block_page_mkwrite+0x228/0x320 fs/buffer.c:2523
 ext4_page_mkwrite+0xc4a/0x1a60 fs/ext4/inode.c:6047
 do_page_mkwrite+0x1a7/0x550 mm/memory.c:2870
 do_shared_fault mm/memory.c:4248 [inline]
 do_fault mm/memory.c:4316 [inline]
 handle_pte_fault mm/memory.c:4570 [inline]
 __handle_mm_fault+0x25f7/0x5280 mm/memory.c:4705
 handle_mm_fault+0x1c8/0x790 mm/memory.c:4803
 do_user_addr_fault+0x489/0x11c0 arch/x86/mm/fault.c:1397
 handle_page_fault arch/x86/mm/fault.c:1485 [inline]
 exc_page_fault+0x9e/0x180 arch/x86/mm/fault.c:1541
 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:568
RIP: 0033:0x7fb4fe1ecef6
Code: 82 63 01 00 00 48 89 d1 f3 a4 c3 80 fa 08 73 12 80 fa 04 73 1e 80 fa 01 77 26 72 05 0f b6 0e 88 0f c3 48 8b 4c 16 f8 48 8b 36 <48> 89 4c 17 f8 48 89 37 c3 8b 4c 16 fc 8b 36 89 4c 17 fc 89 37 c3
RSP: 002b:00007ffdf3e745a8 EFLAGS: 00010202
RAX: 0000000020000040 RBX: 00007fb4fe305b60 RCX: 006c6c696b2e7075
RDX: 000000000000000c RSI: 6b2e70756f726763 RDI: 0000000020000040
RBP: 00007ffdf3e74668 R08: 00007fb4fe709000 R09: 0000001b32b29618
R10: 0000000000000d3a R11: 00000000e67acd3e R12: 000000000009f0ec
R13: 00000000000003e8 R14: 00007fb4fe304f60 R15: 000000000009f09a
 </TASK>
Modules linked in:
---[ end trace df1b83755d5a9d28 ]---
RIP: 0010:ext4_da_map_blocks fs/ext4/inode.c:1721 [inline]
RIP: 0010:ext4_da_get_block_prep+0xdf8/0x1070 fs/ext4/inode.c:1830
Code: e8 dd 2e ad ff e9 d9 f3 ff ff e8 33 c1 66 ff be 08 00 00 00 48 89 df e8 46 32 ad ff f0 80 0b 20 e9 99 fd ff ff e8 18 c1 66 ff <0f> 0b e8 11 c1 66 ff 0f 0b e8 0a c1 66 ff 0f 0b e8 03 c1 66 ff 48
RSP: 0000:ffffc90005597900 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88802a3f40e8 RCX: 0000000000000000
RDX: ffff88801c5ed700 RSI: ffffffff8210b178 RDI: 0000000000000003
RBP: ffffffffffffffff R08: ffffffffffffffff R09: 0000000000000000
R10: ffffffff8210ae1c R11: 0000000000000000 R12: 0000000000000000
R13: 1ffff92000ab2f24 R14: ffffffffffff0000 R15: 0000000000000004
FS:  0000555556466400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000044 CR3: 000000007a441000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400