------------[ cut here ]------------ WARNING: CPU: 1 PID: 5921 at mm/page_alloc.c:4727 __alloc_pages_noprof+0xeff/0x25b0 mm/page_alloc.c:4727 Modules linked in: CPU: 1 UID: 0 PID: 5921 Comm: syz.3.8 Not tainted 6.13.0-rc3-syzkaller-00136-g8faabc041a00 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 RIP: 0010:__alloc_pages_noprof+0xeff/0x25b0 mm/page_alloc.c:4727 Code: 24 2c 00 00 00 00 89 cd 0f 84 8b f9 ff ff 8b 34 24 48 89 da 8b 7c 24 08 e8 0e b3 fe ff e9 69 f9 ff ff c6 05 e3 70 16 0e 01 90 <0f> 0b 90 31 db e9 9f f3 ff ff 89 14 24 e8 9f a3 0c 00 8b 14 24 e9 RSP: 0018:ffffc9000447f868 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000013 RDI: 0000000000040cc0 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000002 R12: 0000000000000013 R13: 0000000000040cc0 R14: 1ffff9200088ff21 R15: 00000000ffffffff FS: 00007f2e8f3f66c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c29e5da CR3: 000000003566e000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __alloc_pages_node_noprof include/linux/gfp.h:269 [inline] alloc_pages_node_noprof include/linux/gfp.h:296 [inline] ___kmalloc_large_node+0x84/0x1b0 mm/slub.c:4243 __kmalloc_large_node_noprof+0x1c/0x70 mm/slub.c:4270 __do_kmalloc_node mm/slub.c:4286 [inline] __kmalloc_node_track_caller_noprof.cold+0x5/0x5f mm/slub.c:4317 memdup_user_nul+0x2b/0x110 mm/util.c:305 bitmap_parselist_user+0x24/0x90 lib/bitmap-str.c:422 cpumask_parselist_user include/linux/cpumask.h:890 [inline] write_irq_affinity kernel/irq/proc.c:149 [inline] irq_affinity_list_proc_write+0x148/0x260 kernel/irq/proc.c:186 pde_write fs/proc/inode.c:330 [inline] proc_reg_write+0x23d/0x330 fs/proc/inode.c:342 do_loop_readv_writev fs/read_write.c:843 [inline] do_loop_readv_writev fs/read_write.c:828 [inline] vfs_writev+0x6da/0xdd0 fs/read_write.c:1052 do_writev+0x133/0x340 fs/read_write.c:1096 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2e91585d29 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:00007f2e8f3f6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 RAX: ffffffffffffffda RBX: 00007f2e91776080 RCX: 00007f2e91585d29 RDX: 0000000000000008 RSI: 0000000020000100 RDI: 0000000000000003 RBP: 00007f2e91601aa8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f2e91776080 R15: 00007ffd142ffc88