netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. ------------[ cut here ]------------ WARNING: CPU: 0 PID: 13213 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: 13213 Comm: syz-executor.1 Not tainted 5.10.230 #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 01 88 2e 00 0f 0b e9 97 fe ff ff 41 bc ea ff ff ff e9 77 ff ff ff e8 ea 87 2e 00 <0f> 0b 41 bc ea ff ff ff e9 65 ff ff ff 4c 89 ff e8 b5 7d 5a 00 e9 RSP: 0018:ffff8880522ef8b0 EFLAGS: 00010216 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. RAX: 0000000000012e97 RBX: ffff88803ccbb000 RCX: ffffc900021f4000 RDX: 0000000000040000 RSI: ffffffff81123696 RDI: 0000000000000007 RBP: ffff8880522ef968 R08: 0000000000000000 R09: ffff8880522ef838 R10: 0000000000000020 R11: 0000000000000001 R12: 0000000000000028 R13: 1ffff1100a45df16 R14: 0000000000000000 R15: ffff88803ccbb050 FS: 00007fbf123ad700(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd78140c378 CR3: 0000000016f60000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000dd060a 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 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 13233 Comm: syz-executor.6 Not tainted 5.10.230 #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 remap_pfn_range_notrack mm/memory.c:2363 [inline] remap_pfn_range+0x139/0x160 mm/memory.c:2388 mem_pool_alloc mm/kmemleak.c:423 [inline] create_object.isra.0+0x3a/0xa20 mm/kmemleak.c:578 kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] slab_post_alloc_hook mm/slab.h:534 [inline] slab_alloc_node mm/slub.c:2896 [inline] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc_trace+0x151/0x320 mm/slub.c:2921 kmalloc include/linux/slab.h:552 [inline] __kthread_create_on_node+0xd1/0x400 kernel/kthread.c:373 io_uring_mmap+0x398/0x530 io_uring/io_uring.c:9805 call_mmap include/linux/fs.h:2044 [inline] mmap_region+0xb5a/0x1590 mm/mmap.c:1811 do_mmap+0xcdb/0x11e0 mm/mmap.c:1583 kthread_create_on_node+0xbb/0x100 kernel/kthread.c:462 vm_mmap_pgoff+0x198/0x1f0 mm/util.c:539 loop_prepare_queue drivers/block/loop.c:931 [inline] loop_configure+0x3e7/0x1490 drivers/block/loop.c:1129 ksys_mmap_pgoff+0x41c/0x560 mm/mmap.c:1634 lo_ioctl+0xa72/0x1760 drivers/block/loop.c:1687 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7fbf14e58b62 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 __blkdev_driver_ioctl block/ioctl.c:240 [inline] blkdev_ioctl+0x291/0x710 block/ioctl.c:640 RSP: 002b:00007fbf123ad0f8 EFLAGS: 00000206 ORIG_RAX: 0000000000000009 block_ioctl+0xf9/0x140 fs/block_dev.c:1893 RAX: ffffffffffffffda RBX: 0000000000008011 RCX: 00007fbf14e58b62 vfs_ioctl fs/ioctl.c:48 [inline] __do_sys_ioctl fs/ioctl.c:753 [inline] __se_sys_ioctl fs/ioctl.c:739 [inline] __x64_sys_ioctl+0x19a/0x210 fs/ioctl.c:739 RDX: 0000000000000003 RSI: 0000000000120140 RDI: 0000000020ffc000 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RBP: 0000000020ffc000 R08: 0000000000000005 R09: 0000000000000000 RIP: 0033:0x7f5f98cf08d7 Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 54 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 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:00007f5f96265f48 EFLAGS: 00000246 R10: 0000000000008011 R11: 0000000000000206 R12: 0000000020008000 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f5f98d3a970 RCX: 00007f5f98cf08d7 RDX: 0000000000000005 RSI: 0000000000004c00 RDI: 0000000000000006 R13: 0000000020ffe000 R14: 0000000020007fc0 R15: 0000000020ffc000 RBP: 0000000000000006 R08: 0000000000000000 R09: ffffffffffffffff R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 irq event stamp: 1339 R13: 0000000000000005 R14: 0000000020000230 R15: 0000000000000002 mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium hardirqs last enabled at (1357): [] asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635 hardirqs last disabled at (1452): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2482 softirqs last enabled at (722): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (605): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace f9719e49c2cddfe5 ]--- FAT-fs (loop6): Directory bread(block 6) failed FAT-fs (loop6): Directory bread(block 7) failed FAT-fs (loop6): Directory bread(block 8) failed FAT-fs (loop6): Directory bread(block 9) failed FAT-fs (loop6): Directory bread(block 10) failed FAT-fs (loop6): Directory bread(block 11) failed FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 13237 Comm: syz-executor.5 Tainted: G W 5.10.230 #1 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. 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 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=27 sclass=netlink_route_socket pid=13238 comm=syz-executor.0 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 mem_pool_alloc mm/kmemleak.c:423 [inline] create_object.isra.0+0x3a/0xa20 mm/kmemleak.c:578 kmemleak_alloc_recursive include/linux/kmemleak.h:43 [inline] slab_post_alloc_hook mm/slab.h:534 [inline] slab_alloc_node mm/slub.c:2896 [inline] slab_alloc mm/slub.c:2904 [inline] kmem_cache_alloc+0x159/0x310 mm/slub.c:2909 kmem_cache_zalloc include/linux/slab.h:654 [inline] __alloc_file+0x21/0x320 fs/file_table.c:101 alloc_empty_file+0x6d/0x170 fs/file_table.c:151 alloc_file+0x5e/0x5a0 fs/file_table.c:193 alloc_file_pseudo+0x16a/0x250 fs/file_table.c:233 __shmem_file_setup mm/shmem.c:4233 [inline] __shmem_file_setup+0x144/0x320 mm/shmem.c:4207 __do_sys_memfd_create+0x275/0x450 mm/memfd.c:323 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7feda1f45b19 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:00007fed9f4baf48 EFLAGS: 00000246 ORIG_RAX: 000000000000013f RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007feda1f45b19 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'. RDX: 0000000000000d18 RSI: 0000000000000000 RDI: 00007feda1f9f0fb RBP: 0000000000000002 R08: 000000000000068c R09: ffffffffffffffff R10: 0000000000000002 R11: 0000000000000246 R12: 0000000008100000 R13: 0000000020000240 R14: 0000000000000d18 R15: 00000000200000c0 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.7'. mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium FAT-fs (loop5): Directory bread(block 6) failed FAT-fs (loop5): Directory bread(block 7) failed FAT-fs (loop5): Directory bread(block 8) failed FAT-fs (loop5): Directory bread(block 9) failed FAT-fs (loop5): Directory bread(block 10) failed FAT-fs (loop5): Directory bread(block 11) failed mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium