R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000004 R13: 0000000000000004 R14: 0000000020000200 R15: 0000000000000000 loop7: detected capacity change from 0 to 135266304 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 7698 at arch/x86/mm/pat/memtype.c:1019 get_pat_info+0x216/0x270 arch/x86/mm/pat/memtype.c:1019 Modules linked in: CPU: 1 PID: 7698 Comm: syz-executor.5 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:ffff88804a97f890 EFLAGS: 00010216 RAX: 0000000000024f64 RBX: ffff8880489bab00 RCX: ffffc90003fb3000 RDX: 0000000000040000 RSI: ffffffff81124466 RDI: 0000000000000007 RBP: ffff88804a97f948 R08: 0000000000000000 R09: ffff88804a97f818 R10: 0000000000000020 R11: 0000000000000001 R12: 0000000000000028 R13: 1ffff1100952ff12 R14: 0000000000000000 R15: ffff8880489bab50 FS: 00007fcf3f94f700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055555ccd4708 CR3: 00000000482c8000 CR4: 0000000000350ee0 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: 0033:0x7fcf423d9b62 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:00007fcf3f94f0f8 EFLAGS: 00000206 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 0000000000008011 RCX: 00007fcf423d9b62 RDX: 0000000000000003 RSI: 00000000000001d0 RDI: 0000000020ffe000 RBP: 0000000020ffe000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000008011 R11: 0000000000000206 R12: 0000000020000140 R13: 0000000020ffc000 R14: 0000000020000040 R15: 0000000020ffe000 irq event stamp: 1111 hardirqs last enabled at (1121): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2567 hardirqs last disabled at (1130): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2482 softirqs last enabled at (584): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (571): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace 39e57ee498cbd623 ]--- loop6: detected capacity change from 0 to 32768 loop1: detected capacity change from 0 to 18944 EXT4-fs (loop1): couldn't mount as ext2 due to feature incompatibilities FAT-fs (loop6): bogus number of reserved sectors FAT-fs (loop6): Can't find a valid FAT filesystem loop1: detected capacity change from 0 to 18944 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 7723 Comm: syz-executor.0 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] __kmalloc_node_track_caller+0x1a6/0x3b0 mm/slub.c:4501 __kmalloc_reserve net/core/skbuff.c:144 [inline] __alloc_skb+0xb1/0x5b0 net/core/skbuff.c:212 alloc_skb include/linux/skbuff.h:1099 [inline] __ip6_append_data.isra.0+0x2c0d/0x3b90 net/ipv6/ip6_output.c:1657 ip6_append_data+0x1e6/0x330 net/ipv6/ip6_output.c:1826 rawv6_sendmsg+0x1576/0x3d60 net/ipv6/raw.c:954 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_sendto+0x21c/0x320 net/socket.c:2005 __do_sys_sendto net/socket.c:2017 [inline] __se_sys_sendto net/socket.c:2013 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:2013 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f9fb52f7b19 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:00007f9fb286d188 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f9fb540af60 RCX: 00007f9fb52f7b19 RDX: 00000000000005dc RSI: 0000000020000040 RDI: 0000000000000003 RBP: 00007f9fb286d1d0 R08: 00000000200000c0 R09: 0000000000000080 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffea965b45f R14: 00007f9fb286d300 R15: 0000000000022000 EXT4-fs (loop1): couldn't mount as ext2 due to feature incompatibilities