------------[ cut here ]------------ kernel BUG at fs/ext4/inode.c:1721! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 22021 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 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:ffffc90003a878a8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88803c37a000 RCX: 0000000000000000 RDX: ffff888078acd700 RSI: ffffffff8210b178 RDI: 0000000000000003 RBP: ffffffffffffffff R08: ffffffffffffffff R09: 0000000000000000 R10: ffffffff8210ae1c R11: 0000000000000000 R12: 0000000000000005 R13: 1ffff92000750f19 R14: ffffffffffff0000 R15: 0000000000000004 FS: 0000555556ffe400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200054c0 CR3: 000000003b99a000 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: 0033:0x7fa8b0559f3a Code: 30 48 8b 34 24 48 85 f6 74 17 8b 44 24 18 0f c8 89 c0 48 89 44 24 18 48 83 fe 01 0f 85 a1 01 00 00 48 8b 44 24 10 8b 74 24 18 <89> 30 e9 d2 fc ff ff 48 8b 44 24 10 8b 10 48 8b 04 24 48 85 c0 0f RSP: 002b:00007ffca4f13fd0 EFLAGS: 00010246 RAX: 00000000200054c0 RBX: 00007fa8b0ad0000 RCX: 0000000000000000 RDX: c9afc373bc02f89c RSI: 000000000000000e RDI: 0000555556ffe2f0 RBP: 00007ffca4f140c8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000004 R11: 0000000000000000 R12: 0000000000000000 R13: 00000000000003e8 R14: 00007fa8b06cbf60 R15: 00000000000fdf96 Modules linked in: ---[ end trace 5634ef6f01f2223a ]--- 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:ffffc90003a878a8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88803c37a000 RCX: 0000000000000000 RDX: ffff888078acd700 RSI: ffffffff8210b178 RDI: 0000000000000003 RBP: ffffffffffffffff R08: ffffffffffffffff R09: 0000000000000000 R10: ffffffff8210ae1c R11: 0000000000000000 R12: 0000000000000005 R13: 1ffff92000750f19 R14: ffffffffffff0000 R15: 0000000000000004 FS: 0000555556ffe400(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200054c0 CR3: 000000003b99a000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400