RBP: 0000000020ffc000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000008011 R11: 0000000000000206 R12: 0000000020000100 R13: 0000000020ffc000 R14: 0000000020000040 R15: 0000000020ffc000 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 12542 at arch/x86/mm/pat/memtype.c:1019 get_pat_info+0x216/0x270 arch/x86/mm/pat/memtype.c:1019 Modules linked in: CPU: 0 PID: 12542 Comm: syz-executor.4 Not tainted 5.10.234 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:get_pat_info+0x216/0x270 arch/x86/mm/pat/memtype.c:1019 Code: c1 ea 03 80 3c 02 00 75 71 49 89 1e eb 8e e8 91 81 2e 00 0f 0b e9 97 fe ff ff 41 bc ea ff ff ff e9 77 ff ff ff e8 7a 81 2e 00 <0f> 0b 41 bc ea ff ff ff e9 65 ff ff ff 4c 89 ff e8 75 79 5a 00 e9 RSP: 0018:ffff88804efdf898 EFLAGS: 00010212 RAX: 00000000000148a9 RBX: ffff888049743600 RCX: ffffc90003803000 RDX: 0000000000040000 RSI: ffffffff81123696 RDI: 0000000000000007 RBP: ffff88804efdf950 R08: 0000000000000000 R09: ffff88804efdf820 R10: 0000000000000020 R11: 0000000000000001 R12: 0000000000000028 R13: 1ffff11009dfbf13 R14: 0000000000000000 R15: ffff888049743650 FS: 00007f280d634700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f28101e81f4 CR3: 0000000048d66000 CR4: 0000000000350ef0 Call Trace: untrack_pfn+0xdc/0x240 arch/x86/mm/pat/memtype.c:1121 unmap_single_vma+0x1bc/0x300 mm/memory.c:1499 zap_page_range_single+0x2ce/0x450 mm/memory.c:1603 remap_pfn_range_notrack mm/memory.c:2363 [inline] remap_pfn_range+0x139/0x160 mm/memory.c:2388 io_uring_mmap+0x398/0x530 io_uring/io_uring.c:9805 call_mmap include/linux/fs.h:2044 [inline] mmap_file+0x5e/0xe0 mm/util.c:1080 __mmap_region mm/mmap.c:1805 [inline] mmap_region+0xc49/0x1500 mm/mmap.c:2945 do_mmap+0xcdb/0x11e0 mm/mmap.c:1582 vm_mmap_pgoff+0x198/0x1f0 mm/util.c:539 ksys_mmap_pgoff+0x41c/0x560 mm/mmap.c:1633 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f28100dfb62 Code: 00 00 00 00 00 0f 1f 00 41 f7 c1 ff 0f 00 00 75 27 55 48 89 fd 53 89 cb 48 85 ff 74 3b 41 89 da 48 89 ef b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 66 5b 5d c3 0f 1f 00 48 c7 c0 bc ff ff ff 64 RSP: 002b:00007f280d6340f8 EFLAGS: 00000206 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 0000000000008011 RCX: 00007f28100dfb62 RDX: 0000000000000003 RSI: 0000000000090140 RDI: 0000000020ffc000 RBP: 0000000020ffc000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000008011 R11: 0000000000000206 R12: 0000000020000100 R13: 0000000020ffc000 R14: 0000000020000040 R15: 0000000020ffc000 irq event stamp: 1803 hardirqs last enabled at (1813): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2567 hardirqs last disabled at (1822): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2482 softirqs last enabled at (1194): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (1133): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace ac84158cb0b8be29 ]--- FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 12550 Comm: syz-executor.7 Tainted: G W 5.10.234 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x107/0x167 lib/dump_stack.c:118 fail_dump lib/fault-inject.c:52 [inline] should_fail.cold+0x5/0xa lib/fault-inject.c:146 should_failslab+0x5/0x20 mm/slab_common.c:1200 slab_pre_alloc_hook mm/slab.h:515 [inline] slab_alloc_node mm/slub.c:2821 [inline] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc+0x5b/0x310 mm/slub.c:2909 xas_alloc+0x336/0x440 lib/xarray.c:374 xas_create+0x34a/0x10d0 lib/xarray.c:676 xas_store+0x8c/0x1c40 lib/xarray.c:786 __xa_store+0x164/0x2d0 lib/xarray.c:1547 xa_store+0x31/0x50 lib/xarray.c:1578 __io_uring_add_tctx_node+0x1cf/0x520 io_uring/io_uring.c:9611 io_uring_add_tctx_node io_uring/io_uring.c:9635 [inline] io_uring_install_fd io_uring/io_uring.c:10159 [inline] io_uring_create io_uring/io_uring.c:10292 [inline] io_uring_setup+0x1fbb/0x2980 io_uring/io_uring.c:10329 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f900b55eb19 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f9008ad4108 EFLAGS: 00000202 ORIG_RAX: 00000000000001a9 RAX: ffffffffffffffda RBX: 00007f900b671f60 RCX: 00007f900b55eb19 RDX: 0000000020ffc000 RSI: 00000000200001c0 RDI: 0000000000003873 RBP: 00000000200001c0 R08: 0000000020000100 R09: 0000000020000100 R10: 0000000020000040 R11: 0000000000000202 R12: 0000000020000100 R13: 0000000020ffc000 R14: 0000000020000040 R15: 0000000020ffc000