------------[ cut here ]------------ kernel BUG at fs/ext4/inode.c:1721! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 2715 Comm: syz-executor.0 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:ffffc90003c6f8a8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff8880270b3000 RCX: 0000000000000000 RDX: ffff88802a7ad700 RSI: ffffffff8210b178 RDI: 0000000000000003 RBP: ffffffffffffffff R08: ffffffffffffffff R09: 0000000000000000 R10: ffffffff8210ae1c R11: 0000000000000000 R12: 0000000000000000 R13: 1ffff9200078df19 R14: ffffffffffff0000 R15: 0000000000000004 FS: 000055555752a400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000450 CR3: 0000000039675000 CR4: 00000000003506f0 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: 0033:0x7fcc8e77e006 Code: 4c 29 c7 4c 01 c2 48 3b 15 17 6a 05 01 0f 87 cc 00 00 00 0f 10 06 0f 10 4e 10 0f 10 56 20 0f 10 5e 30 48 83 c6 40 48 83 ea 40 <0f> 29 07 0f 29 4f 10 0f 29 57 20 0f 29 5f 30 48 83 c7 40 48 83 fa RSP: 002b:00007ffdd36fd068 EFLAGS: 00010206 RAX: 0000000020000440 RBX: 00007fcc8e896b60 RCX: 00000000200004ba RDX: 000000000000003a RSI: 00007fcc8e89b4b0 RDI: 0000000020000450 RBP: 00007ffdd36fd128 R08: fffffffffffffff0 R09: 0000001b2c72c450 R10: 0000000000000d3a R11: 0000000020000440 R12: 0000000000133cda R13: 00000000000003e8 R14: 00007fcc8e895f60 R15: 0000000000133c2e Modules linked in: ---[ end trace 547e7847f353094b ]--- 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:ffffc90003c6f8a8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff8880270b3000 RCX: 0000000000000000 RDX: ffff88802a7ad700 RSI: ffffffff8210b178 RDI: 0000000000000003 RBP: ffffffffffffffff R08: ffffffffffffffff R09: 0000000000000000 R10: ffffffff8210ae1c R11: 0000000000000000 R12: 0000000000000000 R13: 1ffff9200078df19 R14: ffffffffffff0000 R15: 0000000000000004 FS: 000055555752a400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000450 CR3: 0000000039675000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400