------------[ cut here ]------------ kernel BUG at fs/ext4/inode.c:1721! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 11033 Comm: syz-executor.5 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:ffffc900037bf900 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88808dffd3a0 RCX: 0000000000000000 RDX: ffff88803b400000 RSI: ffffffff8210b178 RDI: 0000000000000003 RBP: ffffffffffffffff R08: ffffffffffffffff R09: 0000000000000000 R10: ffffffff8210ae1c R11: 0000000000000000 R12: 0000000000000000 R13: 1ffff920006f7f24 R14: ffffffffffff0000 R15: 0000000000000004 FS: 0000555555ff2400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000086 CR3: 000000001c35e000 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: 0033:0x7f5921a81ef6 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:00007fff57d4ab18 EFLAGS: 00010206 RAX: 0000000020000080 RBX: 00007f5921b9ab60 RCX: 0073746e6576652e RDX: 000000000000000e RSI: 652e79726f6d656d RDI: 0000000020000080 RBP: 00007fff57d4abd8 R08: 00007f5921f9e000 R09: 0000001b31736480 R10: 0000000000000145 R11: 00000000fecd0147 R12: 00000000002100e8 R13: 00000000000003e8 R14: 00007f5921b99f60 R15: 000000000021008f Modules linked in: ---[ end trace 39f4b1052f14907e ]--- 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:ffffc900037bf900 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88808dffd3a0 RCX: 0000000000000000 RDX: ffff88803b400000 RSI: ffffffff8210b178 RDI: 0000000000000003 RBP: ffffffffffffffff R08: ffffffffffffffff R09: 0000000000000000 R10: ffffffff8210ae1c R11: 0000000000000000 R12: 0000000000000000 R13: 1ffff920006f7f24 R14: ffffffffffff0000 R15: 0000000000000004 FS: 0000555555ff2400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000086 CR3: 000000001c35e000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400