tlb_batch_list_free mm/mmu_gather.c:159 [inline]
 tlb_finish_mmu+0x237/0x7c0 mm/mmu_gather.c:500
 exit_mmap+0x3f9/0xb60 mm/mmap.c:1290
 __mmput+0x12a/0x410 kernel/fork.c:1173
 mmput+0x62/0x70 kernel/fork.c:1196
 exit_mm kernel/exit.c:581 [inline]
 do_exit+0x7d7/0x2bd0 kernel/exit.c:959
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1112
 __do_sys_exit_group kernel/exit.c:1123 [inline]
 __se_sys_exit_group kernel/exit.c:1121 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1121
 x64_sys_call+0x151c/0x1740 arch/x86/include/generated/asm/syscalls_64.h:232
 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
------------[ cut here ]------------
kernel BUG at mm/filemap.c:858!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 1 UID: 0 PID: 11534 Comm: syz.0.2489 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:__filemap_add_folio+0xf29/0x11b0 mm/filemap.c:858
Code: 97 c6 ff 48 c7 c6 80 ed 99 8b 4c 89 ef e8 0f 74 11 00 90 0f 0b e8 07 97 c6 ff 48 c7 c6 e0 ed 99 8b 4c 89 ef e8 f8 73 11 00 90 <0f> 0b e8 f0 96 c6 ff 90 0f 0b 90 e9 1c fc ff ff e8 e2 96 c6 ff 48
RSP: 0018:ffffc9000c87f490 EFLAGS: 00010283
RAX: 000000000007d73b RBX: 0000000000000000 RCX: ffffc9000d599000
RDX: 0000000000080000 RSI: ffffffff81f84f78 RDI: ffff88802fe04e04
RBP: 0000000000112c00 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff9088b4d7 R11: 0000000000000001 R12: 0000000000000004
R13: ffffea00020abfc0 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fcbac5f66c0(0000) GS:ffff8881249f5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0edd0c6f98 CR3: 0000000044558000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 filemap_add_folio+0x19a/0x610 mm/filemap.c:966
 ra_alloc_folio mm/readahead.c:453 [inline]
 page_cache_ra_order+0x637/0xed0 mm/readahead.c:512
 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: 0033:0x7fcbae38f749
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:00007fcbac5f6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007fcbae5e6090 RCX: 00007fcbae38f749
RDX: 0000000001000002 RSI: 0000000000b36000 RDI: 0000200000000000
RBP: 00007fcbae413f91 R08: 0000000000000004 R09: 000000002c93a000
R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fcbae5e6128 R14: 00007fcbae5e6090 R15: 00007ffc2d5b3068
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0xf29/0x11b0 mm/filemap.c:858
Code: 97 c6 ff 48 c7 c6 80 ed 99 8b 4c 89 ef e8 0f 74 11 00 90 0f 0b e8 07 97 c6 ff 48 c7 c6 e0 ed 99 8b 4c 89 ef e8 f8 73 11 00 90 <0f> 0b e8 f0 96 c6 ff 90 0f 0b 90 e9 1c fc ff ff e8 e2 96 c6 ff 48
RSP: 0018:ffffc9000c87f490 EFLAGS: 00010283
RAX: 000000000007d73b RBX: 0000000000000000 RCX: ffffc9000d599000
RDX: 0000000000080000 RSI: ffffffff81f84f78 RDI: ffff88802fe04e04
RBP: 0000000000112c00 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff9088b4d7 R11: 0000000000000001 R12: 0000000000000004
R13: ffffea00020abfc0 R14: 0000000000000000 R15: 0000000000000000
FS:  00007fcbac5f66c0(0000) GS:ffff8881249f5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1dfa1b7198 CR3: 0000000044558000 CR4: 00000000003526f0