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charset="UTF-8" Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: WARNING in swap_cache_get_folio ------------[ cut here ]------------ WARNING: mm/swap.h:87 at __swap_offset_to_cluster mm/swap.h:87 [inline], CPU#0: syz-executor/5541 WARNING: mm/swap.h:87 at __swap_entry_to_cluster mm/swap.h:93 [inline], CPU#0: syz-executor/5541 WARNING: mm/swap.h:87 at swap_cache_get_folio+0x365/0x530 mm/swap_state.c:94, CPU#0: syz-executor/5541 Modules linked in: CPU: 0 UID: 0 PID: 5541 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:__swap_offset_to_cluster mm/swap.h:87 [inline] RIP: 0010:__swap_entry_to_cluster mm/swap.h:93 [inline] RIP: 0010:swap_cache_get_folio+0x365/0x530 mm/swap_state.c:94 Code: ff 31 ed e9 2a ff ff ff e8 98 22 a1 ff 90 0f 0b 90 e9 3d fd ff ff e8 8a 22 a1 ff 90 0f 0b 90 e9 44 fd ff ff e8 7c 22 a1 ff 90 <0f> 0b 90 e9 6b fd ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 3e RSP: 0018:ffffc9000cb6fa40 EFLAGS: 00010293 RAX: ffffffff82206d54 RBX: 00000000000001ff RCX: ffff8880003da4c0 RDX: 0000000000000000 RSI: 0000000000007a12 RDI: 0003ffffffffffff RBP: ffffffff99a78920 R08: 0000000000000000 R09: ffffffff82158099 R10: dffffc0000000000 R11: fffff9400023d3cf R12: ffff88801a839800 R13: dffffc0000000000 R14: 0000000000007a12 R15: 0003ffffffffffff FS: 0000555569d2f500(0000) GS:ffff88808d2b8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555569d49300 CR3: 000000004ffac000 CR4: 0000000000352ef0 Call Trace: unuse_pte_range mm/swapfile.c:2282 [inline] unuse_pmd_range mm/swapfile.c:2332 [inline] unuse_pud_range mm/swapfile.c:2352 [inline] unuse_p4d_range mm/swapfile.c:2372 [inline] unuse_vma mm/swapfile.c:2393 [inline] unuse_mm mm/swapfile.c:2411 [inline] try_to_unuse+0xd6f/0x2ce0 mm/swapfile.c:2488 __do_sys_swapoff mm/swapfile.c:2884 [inline] __se_sys_swapoff+0x431/0xa10 mm/swapfile.c:2824 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f728438eeb7 Code: 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a8 00 00 00 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:00007ffc54ebd478 EFLAGS: 00000202 ORIG_RAX: 00000000000000a8 RAX: ffffffffffffffda RBX: 0000555569d492c0 RCX: 00007f728438eeb7 RDX: 000000000000002f RSI: 00007f728442e70b RDI: 00007f7284412bc1 RBP: 00007f7284412bc1 R08: 00007f72845b7d20 R09: 0000000000000060 R10: 0000000000000000 R11: 0000000000000202 R12: 00007f72845b1270 R13: 00007f72843ec1a0 R14: 00007f72845b1240 R15: 00007f728442e698 Tested on: commit: 9c0826a5 Add linux-next specific files for 20251107 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=11fe3084580000 kernel config: https://syzkaller.appspot.com/x/.config?x=3983c6ffb8f8b6b5 dashboard link: https://syzkaller.appspot.com/bug?extid=04c2672c56fbb9401640 compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 patch: https://syzkaller.appspot.com/x/patch.diff?x=15356a92580000