------------[ cut here ]------------ kernel BUG at fs/ext4/inode.c:1721! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 29892 Comm: syz-executor.3 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:ffffc900047bf900 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88806b4c7e80 RCX: 0000000000000000 RDX: ffff88807ea25700 RSI: ffffffff8210b178 RDI: 0000000000000003 RBP: ffffffffffffffff R08: ffffffffffffffff R09: 0000000000000001 R10: ffffffff8210ae1c R11: 0000000000000000 R12: 0000000000000000 R13: 1ffff920008f7f24 R14: ffffffffffff0000 R15: 0000000000000004 FS: 0000555557074400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000100 CR3: 0000000089635000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __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: 0033:0x7fc66d568d9b Code: 48 85 c0 74 1b 48 83 f8 01 0f 85 5a 03 00 00 0f b7 44 24 18 66 c1 c0 08 0f b7 c0 48 89 44 24 18 48 8b 44 24 10 0f b7 54 24 18 <66> 89 10 e9 70 fe ff ff 48 83 7c 24 08 08 0f 85 09 03 00 00 48 8b RSP: 002b:00007ffe8fc17550 EFLAGS: 00010246 RAX: 0000000020000100 RBX: 00007fc66dadf000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00005555570742f0 RBP: 00007ffe8fc17648 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000002 R11: 00000000e67acd3e R12: 0000000000083a6b R13: 00000000000003e8 R14: 00007fc66d6daf60 R15: 0000000000083a31 Modules linked in: ---[ end trace 2c2ae85d5427992f ]--- 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:ffffc900047bf900 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88806b4c7e80 RCX: 0000000000000000 RDX: ffff88807ea25700 RSI: ffffffff8210b178 RDI: 0000000000000003 RBP: ffffffffffffffff R08: ffffffffffffffff R09: 0000000000000001 R10: ffffffff8210ae1c R11: 0000000000000000 R12: 0000000000000000 R13: 1ffff920008f7f24 R14: ffffffffffff0000 R15: 0000000000000004 FS: 0000555557074400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000100 CR3: 0000000089635000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400