------------[ cut here ]------------ kernel BUG at fs/buffer.c:2785! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 0 UID: 0 PID: 5389 Comm: syz.1.15 Not tainted 6.11.0-syzkaller-09959-gabf2050f51fd #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:submit_bh_wbc+0x556/0x560 fs/buffer.c:2785 Code: 89 fa e8 ed bb ca 02 e9 95 fe ff ff e8 f3 8f 74 ff 90 0f 0b e8 eb 8f 74 ff 90 0f 0b e8 e3 8f 74 ff 90 0f 0b e8 db 8f 74 ff 90 <0f> 0b e8 d3 8f 74 ff 90 0f 0b 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc90004876cb8 EFLAGS: 00010293 RAX: ffffffff822023e5 RBX: 0000000000000154 RCX: ffff88802e9d3c00 RDX: 0000000000000000 RSI: 0000000000000100 RDI: 0000000000000000 RBP: 0000000000000100 R08: ffffffff82201fa9 R09: 1ffff1100bbdb41d R10: dffffc0000000000 R11: ffffed100bbdb41e R12: 0000000000000000 R13: ffff88805deda0e8 R14: 0000000000000000 R15: 1ffff1100bbdb41d FS: 00007f495f7e46c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000556d17cff668 CR3: 00000000217fe000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: submit_bh fs/buffer.c:2824 [inline] block_read_full_folio+0x93b/0xcd0 fs/buffer.c:2451 do_mpage_readpage+0x1a73/0x1c80 fs/mpage.c:317 mpage_read_folio+0x108/0x1e0 fs/mpage.c:392 filemap_read_folio+0x14b/0x630 mm/filemap.c:2363 filemap_fault+0x115b/0x1950 mm/filemap.c:3431 __do_fault+0x135/0x460 mm/memory.c:4876 do_read_fault mm/memory.c:5282 [inline] do_fault mm/memory.c:5416 [inline] do_pte_missing mm/memory.c:3965 [inline] handle_pte_fault+0x2d1c/0x6800 mm/memory.c:5751 __handle_mm_fault mm/memory.c:5894 [inline] handle_mm_fault+0x1053/0x1ad0 mm/memory.c:6062 faultin_page mm/gup.c:1187 [inline] __get_user_pages+0x1b16/0x48d0 mm/gup.c:1485 populate_vma_page_range+0x264/0x330 mm/gup.c:1923 __mm_populate+0x27a/0x460 mm/gup.c:2026 mm_populate include/linux/mm.h:3371 [inline] vm_mmap_pgoff+0x2c3/0x3d0 mm/util.c:593 ksys_mmap_pgoff+0x4eb/0x720 mm/mmap.c:542 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f495e97def9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f495f7e4038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f495eb36058 RCX: 00007f495e97def9 RDX: 00000000017ffff7 RSI: 0000000000600000 RDI: 0000000020000000 RBP: 00007f495e9f0b76 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000004002011 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f495eb36058 R15: 00007ffc50f92008 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:submit_bh_wbc+0x556/0x560 fs/buffer.c:2785 Code: 89 fa e8 ed bb ca 02 e9 95 fe ff ff e8 f3 8f 74 ff 90 0f 0b e8 eb 8f 74 ff 90 0f 0b e8 e3 8f 74 ff 90 0f 0b e8 db 8f 74 ff 90 <0f> 0b e8 d3 8f 74 ff 90 0f 0b 90 90 90 90 90 90 90 90 90 90 90 90 RSP: 0018:ffffc90004876cb8 EFLAGS: 00010293 RAX: ffffffff822023e5 RBX: 0000000000000154 RCX: ffff88802e9d3c00 RDX: 0000000000000000 RSI: 0000000000000100 RDI: 0000000000000000 RBP: 0000000000000100 R08: ffffffff82201fa9 R09: 1ffff1100bbdb41d R10: dffffc0000000000 R11: ffffed100bbdb41e R12: 0000000000000000 R13: ffff88805deda0e8 R14: 0000000000000000 R15: 1ffff1100bbdb41d FS: 00007f495f7e46c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000556d17cff668 CR3: 00000000217fe000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400