------------[ cut here ]------------ kernel BUG at fs/ext4/inode.c:1721! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 16184 Comm: syz-executor.1 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 8d 2b ad ff e9 d9 f3 ff ff e8 43 c1 66 ff be 08 00 00 00 48 89 df e8 f6 2e ad ff f0 80 0b 20 e9 99 fd ff ff e8 28 c1 66 ff <0f> 0b e8 21 c1 66 ff 0f 0b e8 1a c1 66 ff 0f 0b e8 13 c1 66 ff 48 RSP: 0000:ffffc9000456f8a8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88802b818910 RCX: 0000000000000000 RDX: ffff888077010000 RSI: ffffffff8210b168 RDI: 0000000000000003 RBP: ffffffffffffffff R08: ffffffffffffffff R09: 0000000000000000 R10: ffffffff8210ae0c R11: 0000000000000000 R12: 0000000000000000 R13: 1ffff920008adf19 R14: ffffffffffff0000 R15: 0000000000000004 FS: 00005555570e2400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000140 CR3: 0000000075e1f000 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 wp_page_shared mm/memory.c:3203 [inline] do_wp_page+0xc93/0x1ae0 mm/memory.c:3304 handle_pte_fault mm/memory.c:4588 [inline] __handle_mm_fault+0x1f12/0x5280 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: 0033:0x7f892c522e0f Code: d0 eb 0b 0f 1f 84 00 00 00 00 00 48 89 f8 48 83 fa 10 0f 82 da 00 00 00 48 83 fa 20 0f 87 1f 01 00 00 0f 10 06 0f 10 4c 16 f0 <0f> 11 07 0f 11 4c 17 f0 c3 0f 1f 84 00 00 00 00 00 48 39 d1 0f 82 RSP: 002b:00007ffcfbdb8f18 EFLAGS: 00010287 RAX: 0000000020000140 RBX: 00007f892c63bb60 RCX: 0000000000000677 RDX: 0000000000000013 RSI: 00007f892c63f568 RDI: 0000000020000140 RBP: 00007ffcfbdb8fd8 R08: 00007f892ca3f000 R09: 0000001b31c26bd8 R10: 0000000000000fa0 R11: 000000002b1fcfa4 R12: 000000000023756c R13: 00000000000003e8 R14: 00007f892c63af60 R15: 0000000000237532 Modules linked in: ---[ end trace b8a56ea431095d93 ]--- 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 8d 2b ad ff e9 d9 f3 ff ff e8 43 c1 66 ff be 08 00 00 00 48 89 df e8 f6 2e ad ff f0 80 0b 20 e9 99 fd ff ff e8 28 c1 66 ff <0f> 0b e8 21 c1 66 ff 0f 0b e8 1a c1 66 ff 0f 0b e8 13 c1 66 ff 48 RSP: 0000:ffffc9000456f8a8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88802b818910 RCX: 0000000000000000 RDX: ffff888077010000 RSI: ffffffff8210b168 RDI: 0000000000000003 RBP: ffffffffffffffff R08: ffffffffffffffff R09: 0000000000000000 R10: ffffffff8210ae0c R11: 0000000000000000 R12: 0000000000000000 R13: 1ffff920008adf19 R14: ffffffffffff0000 R15: 0000000000000004 FS: 00005555570e2400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000140 CR3: 0000000075e1f000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400