------------[ cut here ]------------ kernel BUG at ./include/linux/pagemap.h:1426! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 1 UID: 0 PID: 19953 Comm: syz.7.4250 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:__readahead_folio include/linux/pagemap.h:1426 [inline] RIP: 0010:readahead_folio include/linux/pagemap.h:1452 [inline] RIP: 0010:mpage_readahead+0x765/0x790 fs/mpage.c:367 Code: c6 80 82 9a 8b e8 0b 9c da fe 90 0f 0b e8 43 87 74 ff 4c 89 ff 48 c7 c6 60 81 9a 8b e8 f4 9b da fe 90 0f 0b e8 2c 87 74 ff 90 <0f> 0b e8 24 87 74 ff 4c 89 ff 48 c7 c6 80 82 9a 8b e8 d5 9b da fe RSP: 0018:ffffc9000441f0c0 EFLAGS: 00010293 RAX: ffffffff824d6c04 RBX: 0000000000000010 RCX: ffff88802575bd00 RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000000 RBP: ffffc9000441f2b0 R08: ffffea000147c007 R09: 1ffffd400028f800 R10: dffffc0000000000 R11: fffff9400028f801 R12: ffffc9000441f528 R13: dffffc0000000000 R14: 0000000000000001 R15: ffffc9000441f540 FS: 00007f27590c06c0(0000) GS:ffff888125b03000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f51dd4f9f98 CR3: 000000007cc4e000 CR4: 00000000003526f0 DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083 DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: read_pages+0x17a/0x580 mm/readahead.c:163 page_cache_ra_unbounded+0x3dc/0x990 mm/readahead.c:269 do_sync_mmap_readahead+0x4ae/0x870 mm/filemap.c:3329 filemap_fault+0x6ac/0x1290 mm/filemap.c:3549 __do_fault+0x138/0x390 mm/memory.c:5320 do_read_fault mm/memory.c:5755 [inline] do_fault mm/memory.c:5889 [inline] do_pte_missing+0x2206/0x3330 mm/memory.c:4401 handle_pte_fault mm/memory.c:6273 [inline] __handle_mm_fault mm/memory.c:6411 [inline] handle_mm_fault+0x1b26/0x32b0 mm/memory.c:6580 faultin_page mm/gup.c:1126 [inline] __get_user_pages+0x1650/0x29f0 mm/gup.c:1428 populate_vma_page_range+0x29f/0x3a0 mm/gup.c:1860 __mm_populate+0x24c/0x380 mm/gup.c:1963 mm_populate include/linux/mm.h:3706 [inline] vm_mmap_pgoff+0x387/0x4d0 mm/util.c:586 ksys_mmap_pgoff+0x51f/0x760 mm/mmap.c:604 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f275818f749 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:00007f27590c0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f27583e6090 RCX: 00007f275818f749 RDX: 0000000001000002 RSI: 0000000000b36000 RDI: 0000200000000000 RBP: 00007f2758213f91 R08: 0000000000000004 R09: 000000002c93a000 R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f27583e6128 R14: 00007f27583e6090 R15: 00007fffe739ba58 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__readahead_folio include/linux/pagemap.h:1426 [inline] RIP: 0010:readahead_folio include/linux/pagemap.h:1452 [inline] RIP: 0010:mpage_readahead+0x765/0x790 fs/mpage.c:367 Code: c6 80 82 9a 8b e8 0b 9c da fe 90 0f 0b e8 43 87 74 ff 4c 89 ff 48 c7 c6 60 81 9a 8b e8 f4 9b da fe 90 0f 0b e8 2c 87 74 ff 90 <0f> 0b e8 24 87 74 ff 4c 89 ff 48 c7 c6 80 82 9a 8b e8 d5 9b da fe RSP: 0018:ffffc9000441f0c0 EFLAGS: 00010293 RAX: ffffffff824d6c04 RBX: 0000000000000010 RCX: ffff88802575bd00 RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000000 RBP: ffffc9000441f2b0 R08: ffffea000147c007 R09: 1ffffd400028f800 R10: dffffc0000000000 R11: fffff9400028f801 R12: ffffc9000441f528 R13: dffffc0000000000 R14: 0000000000000001 R15: ffffc9000441f540 FS: 00007f27590c06c0(0000) GS:ffff888125b03000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f368fdb7198 CR3: 000000007cc4e000 CR4: 00000000003526f0 DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083 DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400