------------[ cut here ]------------
kernel BUG at ./include/linux/pagemap.h:1398!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 12591 Comm: syz.0.2005 Not tainted 6.16.0-syzkaller-10355-gf2d282e1dfb3 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:__readahead_folio include/linux/pagemap.h:1398 [inline]
RIP: 0010:readahead_folio include/linux/pagemap.h:1424 [inline]
RIP: 0010:mpage_readahead+0x637/0x650 fs/mpage.c:367
Code: c6 a0 f0 99 8b e8 b9 aa e1 fe 90 0f 0b e8 11 39 79 ff 4c 89 ef 48 c7 c6 00 f1 99 8b e8 a2 aa e1 fe 90 0f 0b e8 fa 38 79 ff 90 <0f> 0b e8 f2 38 79 ff 90 0f 0b 66 66 66 66 66 66 2e 0f 1f 84 00 00
RSP: 0018:ffffc900040a70a0 EFLAGS: 00010246
RAX: ffffffff82464aa6 RBX: 0000000000000001 RCX: 0000000000080000
RDX: ffffc9000c944000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc900040a7290 R08: ffffea00019cb807 R09: 1ffffd4000339700
R10: dffffc0000000000 R11: fffff94000339701 R12: dffffc0000000000
R13: ffffc900040a7508 R14: 0000000000000010 R15: ffffc900040a7520
FS:  00007fc63cb226c0(0000) GS:ffff888125c5c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa021ae56c0 CR3: 000000003947a000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 read_pages+0x17a/0x580 mm/readahead.c:160
 page_cache_ra_unbounded+0x346/0x7b0 mm/readahead.c:264
 do_sync_mmap_readahead+0x3aa/0x7a0 mm/filemap.c:3252
 filemap_fault+0x62c/0x1200 mm/filemap.c:3445
 __do_fault+0x138/0x390 mm/memory.c:5152
 do_shared_fault mm/memory.c:5637 [inline]
 do_fault mm/memory.c:5711 [inline]
 do_pte_missing mm/memory.c:4234 [inline]
 handle_pte_fault mm/memory.c:6052 [inline]
 __handle_mm_fault+0x1847/0x5440 mm/memory.c:6195
 handle_mm_fault+0x40a/0x8e0 mm/memory.c:6364
 faultin_page mm/gup.c:1144 [inline]
 __get_user_pages+0x1699/0x2ce0 mm/gup.c:1446
 __get_user_pages_locked mm/gup.c:1712 [inline]
 faultin_page_range+0x240/0x8d0 mm/gup.c:1932
 madvise_populate mm/madvise.c:978 [inline]
 madvise_do_behavior+0x2e7/0x550 mm/madvise.c:1814
 do_madvise+0x1bc/0x270 mm/madvise.c:1909
 __do_sys_madvise mm/madvise.c:1918 [inline]
 __se_sys_madvise mm/madvise.c:1916 [inline]
 __x64_sys_madvise+0xa7/0xc0 mm/madvise.c:1916
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc63bd8eb69
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:00007fc63cb22038 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007fc63bfb5fa0 RCX: 00007fc63bd8eb69
RDX: 0000000000000017 RSI: 0000000000c00000 RDI: 0000200000000000
RBP: 00007fc63be11df1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc63bfb5fa0 R15: 00007fff4874ca58
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__readahead_folio include/linux/pagemap.h:1398 [inline]
RIP: 0010:readahead_folio include/linux/pagemap.h:1424 [inline]
RIP: 0010:mpage_readahead+0x637/0x650 fs/mpage.c:367
Code: c6 a0 f0 99 8b e8 b9 aa e1 fe 90 0f 0b e8 11 39 79 ff 4c 89 ef 48 c7 c6 00 f1 99 8b e8 a2 aa e1 fe 90 0f 0b e8 fa 38 79 ff 90 <0f> 0b e8 f2 38 79 ff 90 0f 0b 66 66 66 66 66 66 2e 0f 1f 84 00 00
RSP: 0018:ffffc900040a70a0 EFLAGS: 00010246

RAX: ffffffff82464aa6 RBX: 0000000000000001 RCX: 0000000000080000
RDX: ffffc9000c944000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc900040a7290 R08: ffffea00019cb807 R09: 1ffffd4000339700
R10: dffffc0000000000 R11: fffff94000339701 R12: dffffc0000000000
R13: ffffc900040a7508 R14: 0000000000000010 R15: ffffc900040a7520
FS:  00007fc63cb226c0(0000) GS:ffff888125c5c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000032000 CR3: 000000003947a000 CR4: 0000000000350ef0