------------[ cut here ]------------ WARNING: mm/memcontrol-v1.c:642 at memcg1_swapout+0x6c2/0x8d0 mm/memcontrol-v1.c:642, CPU#1: syz.2.3735/31407 Modules linked in: CPU: 1 UID: 0 PID: 31407 Comm: syz.2.3735 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:memcg1_swapout+0x6c2/0x8d0 mm/memcontrol-v1.c:642 Code: 6d 5d 0d 00 0f 85 01 fa ff ff 48 89 df 48 c7 c6 a0 c3 98 8b e8 bf 8c f8 fe c6 05 77 6d 5d 0d 01 90 0f 0b 90 e9 e2 f9 ff ff 90 <0f> 0b 90 e9 eb fb ff ff 90 0f 0b 90 41 80 3c 2e 00 0f 85 d5 fe ff RSP: 0018:ffffc9000c8a6718 EFLAGS: 00010006 RAX: 0000000000000006 RBX: ffffea00011e0f00 RCX: ffff888052ee0150 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffc9000b96c35c RBP: dffffc0000000000 R08: ffffc9000b96c35f R09: 1ffff9200172d86b R10: dffffc0000000000 R11: fffff5200172d86c R12: ffffea00011e0f08 R13: 1ffffd400023c1e0 R14: 1ffffd400023c1e1 R15: ffff888074c88da8 FS: 00007f1c2e5f46c0(0000) GS:ffff888125cf7000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000006680 CR3: 0000000079d4c000 CR4: 00000000003526f0 Call Trace: __remove_mapping+0xac5/0xe30 mm/vmscan.c:764 shrink_folio_list+0x28d8/0x5320 mm/vmscan.c:1542 reclaim_folio_list+0xeb/0x4e0 mm/vmscan.c:2222 reclaim_pages+0x454/0x520 mm/vmscan.c:2259 madvise_cold_or_pageout_pte_range+0x19a0/0x1ce0 mm/madvise.c:563 walk_pmd_range mm/pagewalk.c:130 [inline] walk_pud_range mm/pagewalk.c:224 [inline] walk_p4d_range mm/pagewalk.c:262 [inline] walk_pgd_range+0x1037/0x1d30 mm/pagewalk.c:303 __walk_page_range+0x14c/0x710 mm/pagewalk.c:410 walk_page_range_vma_unsafe+0x34c/0x400 mm/pagewalk.c:714 madvise_pageout_page_range mm/madvise.c:622 [inline] madvise_pageout mm/madvise.c:647 [inline] madvise_vma_behavior+0x30c7/0x4420 mm/madvise.c:1366 madvise_walk_vmas+0x575/0xaf0 mm/madvise.c:1721 madvise_do_behavior+0x38e/0x550 mm/madvise.c:1937 do_madvise+0x1bc/0x270 mm/madvise.c:2030 __do_sys_madvise mm/madvise.c:2039 [inline] __se_sys_madvise mm/madvise.c:2037 [inline] __x64_sys_madvise+0xa7/0xc0 mm/madvise.c:2037 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xec/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f1c3078f749 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:00007f1c2e5f4038 EFLAGS: 00000246 ORIG_RAX: 000000000000001c RAX: ffffffffffffffda RBX: 00007f1c309e6270 RCX: 00007f1c3078f749 RDX: 0000000000000015 RSI: 0000000000600003 RDI: 0000200000000000 RBP: 00007f1c30813f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f1c309e6308 R14: 00007f1c309e6270 R15: 00007ffd0f73f7e8