R10: 0000000000008011 R11: 0000000000000206 R12: 0000000020000100 R13: 0000000020ffc000 R14: 0000000020000040 R15: 0000000020ffc000 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. ------------[ cut here ]------------ WARNING: CPU: 1 PID: 27545 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: 27545 Comm: syz-executor.0 Not tainted 5.10.233 #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 81 81 2e 00 0f 0b e9 97 fe ff ff 41 bc ea ff ff ff e9 77 ff ff ff e8 6a 81 2e 00 <0f> 0b 41 bc ea ff ff ff e9 65 ff ff ff 4c 89 ff e8 f5 78 5a 00 e9 RSP: 0018:ffff88804b087898 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff88801e264a00 RCX: ffffc9000be46000 RDX: 0000000000040000 RSI: ffffffff81123696 RDI: 0000000000000007 RBP: ffff88804b087950 R08: 0000000000000000 R09: ffff88804b087820 R10: 0000000000000020 R11: 0000000000000001 R12: 0000000000000028 R13: 1ffff11009610f13 R14: 0000000000000000 R15: ffff88801e264a50 FS: 00007fbe21ba4700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007efe03050ea0 CR3: 00000000389dc000 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: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: 0033:0x7fbe2462eb62 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:00007fbe21ba40f8 EFLAGS: 00000206 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 0000000000008011 RCX: 00007fbe2462eb62 RDX: 0000000000000003 RSI: 0000000000090140 RDI: 0000000020ffc000 RBP: 0000000020ffc000 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000000008011 R11: 0000000000000206 R12: 0000000020000100 R13: 0000000020ffc000 R14: 0000000020000040 R15: 0000000020ffc000 irq event stamp: 2233 hardirqs last enabled at (2241): [] console_unlock+0x92d/0xb40 kernel/printk/printk.c:2567 hardirqs last disabled at (2250): [] console_unlock+0x839/0xb40 kernel/printk/printk.c:2482 softirqs last enabled at (1824): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (1759): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace 67d0ebbd97a1b6c5 ]--- wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.6'. IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 27661 Comm: syz-executor.0 Tainted: G W 5.10.233 #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 ptlock_alloc+0x1d/0x70 mm/memory.c:5364 ptlock_init include/linux/mm.h:2196 [inline] pgtable_pte_page_ctor include/linux/mm.h:2223 [inline] __pte_alloc_one include/asm-generic/pgalloc.h:66 [inline] pte_alloc_one+0x68/0x1a0 arch/x86/mm/pgtable.c:33 __pte_alloc+0x1d/0x330 mm/memory.c:428 remap_pte_range mm/memory.c:2208 [inline] remap_pmd_range mm/memory.c:2241 [inline] remap_pud_range mm/memory.c:2263 [inline] remap_p4d_range mm/memory.c:2285 [inline] remap_pfn_range_internal+0x9a3/0xf60 mm/memory.c:2337 remap_pfn_range_notrack mm/memory.c:2353 [inline] remap_pfn_range+0xcd/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: 0033:0x7fbe2462eb62 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:00007fbe21ba40f8 EFLAGS: 00000206 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 0000000000008011 RCX: 00007fbe2462eb62 RDX: 0000000000000003 RSI: 0000000000090140 RDI: 0000000020ffc000 RBP: 0000000020ffc000 R08: 0000000000000004 R09: 0000000000000000 R10: 0000000000008011 R11: 0000000000000206 R12: 0000000020000100 R13: 0000000020ffc000 R14: 0000000020000040 R15: 0000000020ffc000 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.6'. wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready netlink: 4 bytes leftover after parsing attributes in process `syz-executor.6'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready netlink: 4 bytes leftover after parsing attributes in process `syz-executor.2'. wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready netlink: 4 bytes leftover after parsing attributes in process `syz-executor.3'. FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 27748 Comm: syz-executor.3 Tainted: G W 5.10.233 #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 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] __kmalloc_node_track_caller+0x1a6/0x3b0 mm/slub.c:4496 __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] nlmsg_new include/net/netlink.h:953 [inline] inet6_ifa_notify+0x118/0x220 net/ipv6/addrconf.c:5493 __ipv6_ifa_notify+0x17b/0xb10 net/ipv6/addrconf.c:6103 addrconf_ifdown.isra.0+0xb99/0x15f0 net/ipv6/addrconf.c:3879 addrconf_notify+0x159/0x2410 net/ipv6/addrconf.c:3678 notifier_call_chain kernel/notifier.c:83 [inline] raw_notifier_call_chain+0xb3/0x110 kernel/notifier.c:410 call_netdevice_notifiers_info+0xb5/0x130 net/core/dev.c:2047 call_netdevice_notifiers_extack net/core/dev.c:2059 [inline] call_netdevice_notifiers net/core/dev.c:2073 [inline] __dev_notify_flags+0x1de/0x2c0 net/core/dev.c:8566 dev_change_flags+0x100/0x160 net/core/dev.c:8602 do_setlink+0x90c/0x3ac0 net/core/rtnetlink.c:2729 __rtnl_newlink+0xc39/0x1700 net/core/rtnetlink.c:3407 rtnl_newlink+0x64/0xa0 net/core/rtnetlink.c:3527 rtnetlink_rcv_msg+0x41e/0xbb0 net/core/rtnetlink.c:5607 netlink_rcv_skb+0x14b/0x430 net/netlink/af_netlink.c:2485 netlink_unicast_kernel net/netlink/af_netlink.c:1307 [inline] netlink_unicast+0x549/0x7f0 net/netlink/af_netlink.c:1333 netlink_sendmsg+0x90f/0xdf0 net/netlink/af_netlink.c:1901 sock_sendmsg_nosec net/socket.c:651 [inline] __sock_sendmsg+0x154/0x190 net/socket.c:663 ____sys_sendmsg+0x70d/0x870 net/socket.c:2378 ___sys_sendmsg+0xf3/0x170 net/socket.c:2432 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2461 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7ff152763b19 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:00007ff14fcb8188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007ff152877020 RCX: 00007ff152763b19 RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000003 RBP: 00007ff14fcb81d0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 00007ffcc87700ef R14: 00007ff14fcb8300 R15: 0000000000022000 wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready