Enabling of bearer rejected, already enabled Enabling of bearer rejected, already enabled Enabling of bearer rejected, already enabled Enabling of bearer rejected, already enabled ================================================================== BUG: KASAN: slab-out-of-bounds in atomic_read include/asm-generic/atomic-instrumented.h:21 [inline] BUG: KASAN: slab-out-of-bounds in queued_spin_trylock include/asm-generic/qspinlock.h:69 [inline] BUG: KASAN: slab-out-of-bounds in do_raw_spin_trylock+0x6a/0x180 kernel/locking/spinlock_debug.c:119 Read of size 4 at addr ffff88808c6f0bf4 by task ksoftirqd/1/16 CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.0.0-rc7+ #90 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 print_address_description.cold+0x7c/0x20d mm/kasan/report.c:187 32-bit node address hash set to aa1414ac kasan_report.cold+0x1b/0x40 mm/kasan/report.c:317 check_memory_region_inline mm/kasan/generic.c:185 [inline] check_memory_region+0x123/0x190 mm/kasan/generic.c:191 kasan_check_read+0x11/0x20 mm/kasan/common.c:100 atomic_read include/asm-generic/atomic-instrumented.h:21 [inline] queued_spin_trylock include/asm-generic/qspinlock.h:69 [inline] do_raw_spin_trylock+0x6a/0x180 kernel/locking/spinlock_debug.c:119 Enabling of bearer rejected, already enabled __raw_spin_trylock include/linux/spinlock_api_smp.h:89 [inline] _raw_spin_trylock+0x1c/0x80 kernel/locking/spinlock.c:128 spin_trylock include/linux/spinlock.h:339 [inline] icmp_xmit_lock net/ipv4/icmp.c:219 [inline] icmp_send+0x54c/0x1400 net/ipv4/icmp.c:665 Enabling of bearer rejected, already enabled __udp4_lib_rcv+0x1fb2/0x2c50 net/ipv4/udp.c:2323 udp_rcv+0x22/0x30 net/ipv4/udp.c:2482 ip_protocol_deliver_rcu+0x60/0x8e0 net/ipv4/ip_input.c:208 ip_local_deliver_finish+0x23b/0x390 net/ipv4/ip_input.c:234 NF_HOOK include/linux/netfilter.h:289 [inline] NF_HOOK include/linux/netfilter.h:283 [inline] ip_local_deliver+0x1e9/0x520 net/ipv4/ip_input.c:255 dst_input include/net/dst.h:450 [inline] ip_rcv_finish+0x1db/0x2f0 net/ipv4/ip_input.c:414 Enabling of bearer rejected, already enabled NF_HOOK include/linux/netfilter.h:289 [inline] NF_HOOK include/linux/netfilter.h:283 [inline] ip_rcv+0xe8/0x3f0 net/ipv4/ip_input.c:524 __netif_receive_skb_one_core+0x115/0x1a0 net/core/dev.c:4973 __netif_receive_skb+0x2c/0x1c0 net/core/dev.c:5083 process_backlog+0x206/0x750 net/core/dev.c:5923 Enabling of bearer rejected, already enabled napi_poll net/core/dev.c:6346 [inline] net_rx_action+0x4fa/0x1070 net/core/dev.c:6412 Enabling of bearer rejected, already enabled __do_softirq+0x266/0x95a kernel/softirq.c:292 32-bit node address hash set to aa1414ac run_ksoftirqd kernel/softirq.c:654 [inline] run_ksoftirqd+0x8e/0x110 kernel/softirq.c:646 smpboot_thread_fn+0x6ab/0xa10 kernel/smpboot.c:164 Enabling of bearer rejected, already enabled kthread+0x357/0x430 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Allocated by task 7876: save_stack+0x45/0xd0 mm/kasan/common.c:73 set_track mm/kasan/common.c:85 [inline] __kasan_kmalloc mm/kasan/common.c:495 [inline] __kasan_kmalloc.constprop.0+0xcf/0xe0 mm/kasan/common.c:468 kasan_slab_alloc+0xf/0x20 mm/kasan/common.c:503 slab_post_alloc_hook mm/slab.h:440 [inline] slab_alloc mm/slab.c:3388 [inline] kmem_cache_alloc+0x11a/0x6f0 mm/slab.c:3548 sk_prot_alloc+0x67/0x2e0 net/core/sock.c:1587 sk_alloc+0x39/0xf70 net/core/sock.c:1647 32-bit node address hash set to aa1414ac inet_create net/ipv4/af_inet.c:321 [inline] inet_create+0x36a/0xe10 net/ipv4/af_inet.c:247 __sock_create+0x3e6/0x750 net/socket.c:1297 sock_create_kern+0x3b/0x50 net/socket.c:1343 inet_ctl_sock_create+0x9d/0x1f0 net/ipv4/af_inet.c:1623 icmp_sk_init+0x11c/0x4c0 net/ipv4/icmp.c:1203 ops_init+0xb6/0x410 net/core/net_namespace.c:129 Enabling of bearer rejected, already enabled setup_net+0x2c5/0x730 net/core/net_namespace.c:314 copy_net_ns+0x1d9/0x340 net/core/net_namespace.c:437 create_new_namespaces+0x400/0x7b0 kernel/nsproxy.c:107 unshare_nsproxy_namespaces+0xc2/0x200 kernel/nsproxy.c:206 ksys_unshare+0x440/0x980 kernel/fork.c:2550 __do_sys_unshare kernel/fork.c:2618 [inline] __se_sys_unshare kernel/fork.c:2616 [inline] __x64_sys_unshare+0x31/0x40 kernel/fork.c:2616 Enabling of bearer rejected, already enabled do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe Enabling of bearer rejected, already enabled Freed by task 0: (stack is not available) The buggy address belongs to the object at ffff88808c6f0680 which belongs to the cache RAW of size 1328 The buggy address is located 68 bytes to the right of 1328-byte region [ffff88808c6f0680, ffff88808c6f0bb0) The buggy address belongs to the page: page:ffffea000231bc00 count:1 mapcount:0 mapping:ffff88821ae1d640 index:0x0 compound_mapcount: 0 flags: 0x1fffc0000010200(slab|head) raw: 01fffc0000010200 ffffea0002485888 ffffea0002316f88 ffff88821ae1d640 raw: 0000000000000000 ffff88808c6f00c0 0000000100000005 0000000000000000 page dumped because: kasan: bad access detected Enabling of bearer rejected, already enabled Memory state around the buggy address: ffff88808c6f0a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff88808c6f0b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff88808c6f0b80: 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc ^ ffff88808c6f0c00: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 ffff88808c6f0c80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ==================================================================