Hello, syzbot found the following issue on: HEAD commit: 0e389834672c Merge tag 'for-6.7-rc5-tag' of git://git.kern.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=1454824ee80000 kernel config: https://syzkaller.appspot.com/x/.config?x=f21aff374937e60e dashboard link: https://syzkaller.appspot.com/bug?extid=03fd9b3f71641f0ebf2d compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13b4ef49e80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=118314d6e80000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/e58cd74e152a/disk-0e389834.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/45d17ccb34bc/vmlinux-0e389834.xz kernel image: https://storage.googleapis.com/syzbot-assets/b9b7105d4e08/bzImage-0e389834.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+03fd9b3f71641f0ebf2d@xxxxxxxxxxxxxxxxxxxxxxxxx ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5066 at mm/vmscan.c:3242 get_pte_pfn+0x1b5/0x3f0 mm/vmscan.c:3242 Modules linked in: CPU: 1 PID: 5066 Comm: syz-executor668 Not tainted 6.7.0-rc5-syzkaller-00270-g0e389834672c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 RIP: 0010:get_pte_pfn+0x1b5/0x3f0 mm/vmscan.c:3242 Code: f3 74 2a e8 6d 78 cb ff 31 ff 48 b8 00 00 00 00 00 00 00 02 48 21 c5 48 89 ee e8 e6 73 cb ff 48 85 ed 74 4e e8 4c 78 cb ff 90 <0f> 0b 90 48 c7 c3 ff ff ff ff e8 3c 78 cb ff 48 b8 00 00 00 00 00 RSP: 0018:ffffc900041e6878 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 000000000007891d RCX: ffffffff81bbf6e3 RDX: ffff88807d813b80 RSI: ffffffff81bbf684 RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000200 R11: 0000000000000003 R12: 0000000000000200 R13: 1ffff9200083cd0f R14: 0000000000010b21 R15: 0000000020ffc000 FS: 0000555555f4d480(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000005fbfa000 CR4: 0000000000350ef0 Call Trace: <TASK> lru_gen_look_around+0x70d/0x11a0 mm/vmscan.c:4001 folio_referenced_one+0x5a2/0xf70 mm/rmap.c:843 rmap_walk_anon+0x225/0x570 mm/rmap.c:2485 rmap_walk mm/rmap.c:2562 [inline] rmap_walk mm/rmap.c:2557 [inline] folio_referenced+0x28a/0x4b0 mm/rmap.c:960 folio_check_references mm/vmscan.c:829 [inline] shrink_folio_list+0x1ace/0x3f00 mm/vmscan.c:1160 evict_folios+0x6e7/0x1b90 mm/vmscan.c:4499 try_to_shrink_lruvec+0x638/0xa10 mm/vmscan.c:4704 lru_gen_shrink_lruvec mm/vmscan.c:4849 [inline] shrink_lruvec+0x314/0x2990 mm/vmscan.c:5622 shrink_node_memcgs mm/vmscan.c:5842 [inline] shrink_node+0x811/0x3710 mm/vmscan.c:5877 shrink_zones mm/vmscan.c:6116 [inline] do_try_to_free_pages+0x36c/0x1940 mm/vmscan.c:6178 try_to_free_mem_cgroup_pages+0x31a/0x770 mm/vmscan.c:6493 try_charge_memcg+0x3d3/0x11f0 mm/memcontrol.c:2742 obj_cgroup_charge_pages mm/memcontrol.c:3255 [inline] __memcg_kmem_charge_page+0xdd/0x2a0 mm/memcontrol.c:3281 __alloc_pages+0x263/0x2420 mm/page_alloc.c:4585 alloc_pages_mpol+0x258/0x5f0 mm/mempolicy.c:2133 __get_free_pages+0xc/0x40 mm/page_alloc.c:4615 io_mem_alloc+0x33/0x60 io_uring/io_uring.c:2789 io_allocate_scq_urings io_uring/io_uring.c:3842 [inline] io_uring_create io_uring/io_uring.c:4019 [inline] io_uring_setup+0x13ed/0x2430 io_uring/io_uring.c:4131 __do_sys_io_uring_setup io_uring/io_uring.c:4158 [inline] __se_sys_io_uring_setup io_uring/io_uring.c:4152 [inline] __x64_sys_io_uring_setup+0x98/0x140 io_uring/io_uring.c:4152 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x40/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f4b0e4778a9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff814fe868 EFLAGS: 00000202 ORIG_RAX: 00000000000001a9 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f4b0e4778a9 RDX: 0000000020000700 RSI: 0000000020000640 RDI: 0000000000005a19 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000020000700 R10: 00007fff814fe8d0 R11: 0000000000000202 R12: 0000000020000640 R13: 0000000000000000 R14: 0000000000005a19 R15: 0000000020000700 </TASK> --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup
