------------[ cut here ]------------ kernel BUG at ./include/linux/pagemap.h:1426! Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI CPU: 0 UID: 0 PID: 17477 Comm: syz.1.3084 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP 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+0x4ad/0x5a0 fs/mpage.c:367 Code: 5e 41 5f e9 85 6d 29 09 e8 70 20 6d ff 48 89 ef e8 08 cf aa ff e9 54 fe ff ff 4c 8b 6c 24 18 e9 43 ff ff ff e8 54 20 6d ff 90 <0f> 0b e8 4c 20 6d ff 48 c7 c6 c0 63 a1 8b 48 89 ef e8 5d fd b7 ff RSP: 0018:ffffc9000dd0f2d0 EFLAGS: 00010283 RAX: 000000000000e286 RBX: ffffc9000dd0f788 RCX: ffffc90016e7b000 RDX: 0000000000080000 RSI: ffffffff8251c63c RDI: 0000000000000004 RBP: 0000000000000010 R08: 0000000000000004 R09: 0000000000000010 R10: 0000000000000001 R11: 0000000000000000 R12: dffffc0000000000 R13: fffff52001ba1ef5 R14: 0000000000000001 R15: 1ffff92001ba1ef5 FS: 00007fb3a5c176c0(0000) GS:ffff8881248f5000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c3c1296 CR3: 000000006173d000 CR4: 00000000003526f0 Call Trace: read_pages+0x1c4/0xc70 mm/readahead.c:163 page_cache_ra_unbounded+0x66c/0x9e0 mm/readahead.c:269 do_page_cache_ra mm/readahead.c:332 [inline] page_cache_ra_order+0xbf4/0xed0 mm/readahead.c:535 do_sync_mmap_readahead mm/filemap.c:3400 [inline] filemap_fault+0x16ac/0x29d0 mm/filemap.c:3549 __do_fault+0x10d/0x490 mm/memory.c:5320 do_read_fault mm/memory.c:5755 [inline] do_fault+0xae4/0x1ad0 mm/memory.c:5889 do_pte_missing mm/memory.c:4401 [inline] handle_pte_fault mm/memory.c:6273 [inline] __handle_mm_fault+0x1919/0x2bb0 mm/memory.c:6411 handle_mm_fault+0x3fe/0xad0 mm/memory.c:6580 faultin_page mm/gup.c:1126 [inline] __get_user_pages+0x54e/0x3590 mm/gup.c:1428 populate_vma_page_range+0x267/0x3f0 mm/gup.c:1860 __mm_populate+0x1d8/0x380 mm/gup.c:1963 mm_populate include/linux/mm.h:3701 [inline] vm_mmap_pgoff+0x37f/0x470 mm/util.c:586 ksys_mmap_pgoff+0x32c/0x5c0 mm/mmap.c:604 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:89 [inline] __se_sys_mmap arch/x86/kernel/sys_x86_64.c:82 [inline] __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:82 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb3a4d8f749 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:00007fb3a5c17038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007fb3a4fe6270 RCX: 00007fb3a4d8f749 RDX: 0000000001000002 RSI: 0000000000b36000 RDI: 0000200000000000 RBP: 00007fb3a4e13f91 R08: 0000000000000008 R09: 000000002c93a000 R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fb3a4fe6308 R14: 00007fb3a4fe6270 R15: 00007ffc727db958 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+0x4ad/0x5a0 fs/mpage.c:367 Code: 5e 41 5f e9 85 6d 29 09 e8 70 20 6d ff 48 89 ef e8 08 cf aa ff e9 54 fe ff ff 4c 8b 6c 24 18 e9 43 ff ff ff e8 54 20 6d ff 90 <0f> 0b e8 4c 20 6d ff 48 c7 c6 c0 63 a1 8b 48 89 ef e8 5d fd b7 ff RSP: 0018:ffffc9000dd0f2d0 EFLAGS: 00010283 RAX: 000000000000e286 RBX: ffffc9000dd0f788 RCX: ffffc90016e7b000 RDX: 0000000000080000 RSI: ffffffff8251c63c RDI: 0000000000000004 RBP: 0000000000000010 R08: 0000000000000004 R09: 0000000000000010 R10: 0000000000000001 R11: 0000000000000000 R12: dffffc0000000000 R13: fffff52001ba1ef5 R14: 0000000000000001 R15: 1ffff92001ba1ef5 FS: 00007fb3a5c176c0(0000) GS:ffff8881248f5000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000056286bda2ad8 CR3: 000000006173d000 CR4: 00000000003526f0