WARNING: CPU: 0 PID: 7538 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: 7538 Comm: syz-executor.4 Not tainted 5.10.246 #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 31 89 2e 00 0f 0b e9 97 fe ff ff 41 bc ea ff ff ff e9 77 ff ff ff e8 1a 89 2e 00 <0f> 0b 41 bc ea ff ff ff e9 65 ff ff ff 4c 89 ff e8 a5 a2 5a 00 e9 RSP: 0018:ffff8880450c7890 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff88800d23c400 RCX: ffffc900025fc000 RDX: 0000000000040000 RSI: ffffffff81124466 RDI: 0000000000000007 RBP: ffff8880450c7948 R08: 0000000000000000 R09: ffff8880450c7818 R10: 0000000000000020 R11: 0000000000000001 R12: 0000000000000028 R13: 1ffff11008a18f12 R14: 0000000000000000 R15: ffff88800d23c450 FS: 00007f418444c700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020ffd000 CR3: 0000000042350000 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:1817 [inline] mmap_region+0xc4d/0x1500 mm/mmap.c:2957 do_mmap+0x868/0x1370 mm/mmap.c:1594 vm_mmap_pgoff+0x198/0x1f0 mm/util.c:539 ksys_mmap_pgoff+0x41c/0x560 mm/mmap.c:1645 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f4186ed6b62 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:00007f418444c0f8 EFLAGS: 00000206 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 0000000000008011 RCX: 00007f4186ed6b62 RDX: 0000000000000003 RSI: 0000000000120140 RDI: 0000000020ffd000 RBP: 0000000020ffd000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000008011 R11: 0000000000000206 R12: 00000000200001c0 R13: 0000000020ffa000 R14: 00000000200000c0 R15: 0000000020ffd000 irq event stamp: 3061 hardirqs last enabled at (3073): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2567 hardirqs last disabled at (3084): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2482 softirqs last enabled at (1584): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (937): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace f7854b507b8b72a4 ]--- FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 7553 Comm: syz-executor.7 Tainted: G W 5.10.246 #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:512 [inline] slab_alloc_node mm/slub.c:2826 [inline] slab_alloc mm/slub.c:2909 [inline] kmem_cache_alloc+0x5b/0x310 mm/slub.c:2914 mem_pool_alloc mm/kmemleak.c:424 [inline] create_object.isra.0+0x3a/0xa30 mm/kmemleak.c:581 kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] slab_post_alloc_hook mm/slab.h:531 [inline] slab_alloc_node mm/slub.c:2901 [inline] kmem_cache_alloc_node+0x169/0x330 mm/slub.c:2937 __alloc_skb+0x6d/0x5b0 net/core/skbuff.c:200 alloc_skb include/linux/skbuff.h:1099 [inline] __ip_append_data+0x2935/0x3310 net/ipv4/ip_output.c:1117 ip_append_data net/ipv4/ip_output.c:1336 [inline] ip_append_data+0x114/0x1a0 net/ipv4/ip_output.c:1315 raw_sendmsg+0xab0/0x2ce0 net/ipv4/raw.c:670 inet_sendmsg+0x11d/0x140 net/ipv4/af_inet.c:828 sock_sendmsg_nosec net/socket.c:651 [inline] __sock_sendmsg+0x13c/0x190 net/socket.c:663 ____sys_sendmsg+0x334/0x870 net/socket.c:2378 ___sys_sendmsg+0xf3/0x170 net/socket.c:2432 __sys_sendmmsg+0x195/0x470 net/socket.c:2518 __do_sys_sendmmsg net/socket.c:2547 [inline] __se_sys_sendmmsg net/socket.c:2544 [inline] __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2544 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f815fcfbb19 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:00007f815d271188 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007f815fe0ef60 RCX: 00007f815fcfbb19 RDX: 000000000400000d RSI: 0000000020000000 RDI: 0000000000000004 RBP: 00007f815d2711d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffea13abdcf R14: 00007f815d271300 R15: 0000000000022000