================================================================== BUG: KASAN: slab-use-after-free in rht_key_hashfn include/linux/rhashtable.h:159 [inline] BUG: KASAN: slab-use-after-free in __rhashtable_lookup include/linux/rhashtable.h:604 [inline] BUG: KASAN: slab-use-after-free in rhashtable_lookup include/linux/rhashtable.h:646 [inline] BUG: KASAN: slab-use-after-free in rhashtable_lookup_fast+0x668/0x814 include/linux/rhashtable.h:672 Read of size 4 at addr ffff0000d01a8008 by task syz-executor/8933 CPU: 0 UID: 0 PID: 8933 Comm: syz-executor Not tainted 6.12.0-syzkaller-g7b1d1d4cfac0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:484 (C) __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:377 [inline] print_report+0x198/0x538 mm/kasan/report.c:488 kasan_report+0xd8/0x138 mm/kasan/report.c:601 __asan_report_load4_noabort+0x20/0x2c mm/kasan/report_generic.c:380 rht_key_hashfn include/linux/rhashtable.h:159 [inline] __rhashtable_lookup include/linux/rhashtable.h:604 [inline] rhashtable_lookup include/linux/rhashtable.h:646 [inline] rhashtable_lookup_fast+0x668/0x814 include/linux/rhashtable.h:672 ila_lookup_wildcards net/ipv6/ila/ila_xlat.c:132 [inline] ila_xlat_addr net/ipv6/ila/ila_xlat.c:657 [inline] ila_nf_input+0x210/0x404 net/ipv6/ila/ila_xlat.c:190 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_slow+0xc8/0x234 net/netfilter/core.c:626 nf_hook include/linux/netfilter.h:269 [inline] NF_HOOK+0x22c/0x3d4 include/linux/netfilter.h:312 ipv6_rcv+0x9c/0xbc net/ipv6/ip6_input.c:309 __netif_receive_skb_one_core net/core/dev.c:5670 [inline] __netif_receive_skb+0x18c/0x3c8 net/core/dev.c:5783 process_backlog+0x640/0x123c net/core/dev.c:6115 __napi_poll+0xb4/0x3fc net/core/dev.c:6779 napi_poll net/core/dev.c:6848 [inline] net_rx_action+0x6a8/0xf4c net/core/dev.c:6970 handle_softirqs+0x2e0/0xbf8 kernel/softirq.c:554 __do_softirq+0x14/0x20 kernel/softirq.c:588 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:81 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:891 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:86 do_softirq+0x90/0xf8 kernel/softirq.c:455 __local_bh_enable_ip+0x288/0x44c kernel/softirq.c:382 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline] _raw_spin_unlock_bh+0x3c/0x4c kernel/locking/spinlock.c:210 spin_unlock_bh include/linux/spinlock.h:396 [inline] batadv_iv_ogm_queue_add+0x53c/0xab4 net/batman-adv/bat_iv_ogm.c:661 batadv_iv_ogm_schedule_buff net/batman-adv/bat_iv_ogm.c:833 [inline] batadv_iv_ogm_schedule+0x6fc/0xdf0 net/batman-adv/bat_iv_ogm.c:868 batadv_iv_iface_enabled+0x20/0x30 net/batman-adv/bat_iv_ogm.c:2234 batadv_hardif_enable_interface+0x56c/0x7d8 net/batman-adv/hard-interface.c:778 batadv_softif_slave_add+0x80/0x134 net/batman-adv/soft-interface.c:844 do_set_master net/core/rtnetlink.c:2730 [inline] do_setlink+0xc30/0x3778 net/core/rtnetlink.c:2936 __rtnl_newlink net/core/rtnetlink.c:3725 [inline] rtnl_newlink+0x14c4/0x1bd0 net/core/rtnetlink.c:3772 rtnetlink_rcv_msg+0x630/0xa9c net/core/rtnetlink.c:6675 netlink_rcv_skb+0x214/0x3c4 net/netlink/af_netlink.c:2536 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6693 netlink_unicast_kernel net/netlink/af_netlink.c:1316 [inline] netlink_unicast+0x668/0x8a4 net/netlink/af_netlink.c:1342 netlink_sendmsg+0x7a4/0xa8c net/netlink/af_netlink.c:1886 sock_sendmsg_nosec net/socket.c:729 [inline] __sock_sendmsg net/socket.c:744 [inline] __sys_sendto+0x374/0x4f4 net/socket.c:2214 __do_sys_sendto net/socket.c:2226 [inline] __se_sys_sendto net/socket.c:2222 [inline] __arm64_sys_sendto+0xd8/0xf8 net/socket.c:2222 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 Allocated by task 6412: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x40/0x78 mm/kasan/common.c:68 kasan_save_alloc_info+0x40/0x50 mm/kasan/generic.c:565 unpoison_slab_object mm/kasan/common.c:319 [inline] __kasan_slab_alloc+0x74/0x8c mm/kasan/common.c:345 kasan_slab_alloc include/linux/kasan.h:247 [inline] slab_post_alloc_hook mm/slub.c:4085 [inline] slab_alloc_node mm/slub.c:4134 [inline] kmem_cache_alloc_noprof+0x1c0/0x354 mm/slub.c:4141 getname_flags+0xcc/0x4b4 fs/namei.c:139 do_readlinkat+0xbc/0x4d4 fs/stat.c:536 __do_sys_readlinkat fs/stat.c:568 [inline] __se_sys_readlinkat fs/stat.c:565 [inline] __arm64_sys_readlinkat+0x9c/0xb8 fs/stat.c:565 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 Freed by task 6412: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x40/0x78 mm/kasan/common.c:68 kasan_save_free_info+0x54/0x6c mm/kasan/generic.c:579 poison_slab_object mm/kasan/common.c:247 [inline] __kasan_slab_free+0x64/0x8c mm/kasan/common.c:264 kasan_slab_free include/linux/kasan.h:230 [inline] slab_free_hook mm/slub.c:2342 [inline] slab_free mm/slub.c:4579 [inline] kmem_cache_free+0x19c/0x560 mm/slub.c:4681 putname+0x11c/0x180 fs/namei.c:280 do_readlinkat+0x25c/0x4d4 fs/stat.c:557 __do_sys_readlinkat fs/stat.c:568 [inline] __se_sys_readlinkat fs/stat.c:565 [inline] __arm64_sys_readlinkat+0x9c/0xb8 fs/stat.c:565 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 The buggy address belongs to the object at ffff0000d01a8000 which belongs to the cache names_cache of size 4096 The buggy address is located 8 bytes inside of freed 4096-byte region [ffff0000d01a8000, ffff0000d01a9000) The buggy address belongs to the physical page: page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1101a8 head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 flags: 0x5ffc00000000040(head|node=0|zone=2|lastcpupid=0x7ff) page_type: f5(slab) raw: 05ffc00000000040 ffff0000c18a08c0 dead000000000122 0000000000000000 raw: 0000000000000000 0000000000070007 00000001f5000000 0000000000000000 head: 05ffc00000000040 ffff0000c18a08c0 dead000000000122 0000000000000000 head: 0000000000000000 0000000000070007 00000001f5000000 0000000000000000 head: 05ffc00000000003 fffffdffc3406a01 ffffffffffffffff 0000000000000000 head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff0000d01a7f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff0000d01a7f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff0000d01a8000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff0000d01a8080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff0000d01a8100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== ------------[ cut here ]------------ UBSAN: shift-out-of-bounds in lib/rhashtable.c:1188:34 shift exponent 4294901760 is too large for 32-bit type 'int' CPU: 0 UID: 0 PID: 8933 Comm: syz-executor Tainted: G B 6.12.0-syzkaller-g7b1d1d4cfac0 #0 Tainted: [B]=BAD_PAGE Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:484 (C) __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 ubsan_epilogue lib/ubsan.c:231 [inline] __ubsan_handle_shift_out_of_bounds+0x2f4/0x36c lib/ubsan.c:468 __rht_bucket_nested+0x508/0x5b4 lib/rhashtable.c:1188 rht_bucket_nested+0x48/0x6c lib/rhashtable.c:1220 rht_bucket include/linux/rhashtable.h:289 [inline] __rhashtable_lookup include/linux/rhashtable.h:605 [inline] rhashtable_lookup include/linux/rhashtable.h:646 [inline] rhashtable_lookup_fast+0x5fc/0x814 include/linux/rhashtable.h:672 ila_lookup_wildcards net/ipv6/ila/ila_xlat.c:132 [inline] ila_xlat_addr net/ipv6/ila/ila_xlat.c:657 [inline] ila_nf_input+0x210/0x404 net/ipv6/ila/ila_xlat.c:190 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_slow+0xc8/0x234 net/netfilter/core.c:626 nf_hook include/linux/netfilter.h:269 [inline] NF_HOOK+0x22c/0x3d4 include/linux/netfilter.h:312 ipv6_rcv+0x9c/0xbc net/ipv6/ip6_input.c:309 __netif_receive_skb_one_core net/core/dev.c:5670 [inline] __netif_receive_skb+0x18c/0x3c8 net/core/dev.c:5783 process_backlog+0x640/0x123c net/core/dev.c:6115 __napi_poll+0xb4/0x3fc net/core/dev.c:6779 napi_poll net/core/dev.c:6848 [inline] net_rx_action+0x6a8/0xf4c net/core/dev.c:6970 handle_softirqs+0x2e0/0xbf8 kernel/softirq.c:554 __do_softirq+0x14/0x20 kernel/softirq.c:588 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:81 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:891 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:86 do_softirq+0x90/0xf8 kernel/softirq.c:455 __local_bh_enable_ip+0x288/0x44c kernel/softirq.c:382 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline] _raw_spin_unlock_bh+0x3c/0x4c kernel/locking/spinlock.c:210 spin_unlock_bh include/linux/spinlock.h:396 [inline] batadv_iv_ogm_queue_add+0x53c/0xab4 net/batman-adv/bat_iv_ogm.c:661 batadv_iv_ogm_schedule_buff net/batman-adv/bat_iv_ogm.c:833 [inline] batadv_iv_ogm_schedule+0x6fc/0xdf0 net/batman-adv/bat_iv_ogm.c:868 batadv_iv_iface_enabled+0x20/0x30 net/batman-adv/bat_iv_ogm.c:2234 batadv_hardif_enable_interface+0x56c/0x7d8 net/batman-adv/hard-interface.c:778 batadv_softif_slave_add+0x80/0x134 net/batman-adv/soft-interface.c:844 do_set_master net/core/rtnetlink.c:2730 [inline] do_setlink+0xc30/0x3778 net/core/rtnetlink.c:2936 __rtnl_newlink net/core/rtnetlink.c:3725 [inline] rtnl_newlink+0x14c4/0x1bd0 net/core/rtnetlink.c:3772 rtnetlink_rcv_msg+0x630/0xa9c net/core/rtnetlink.c:6675 netlink_rcv_skb+0x214/0x3c4 net/netlink/af_netlink.c:2536 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6693 netlink_unicast_kernel net/netlink/af_netlink.c:1316 [inline] netlink_unicast+0x668/0x8a4 net/netlink/af_netlink.c:1342 netlink_sendmsg+0x7a4/0xa8c net/netlink/af_netlink.c:1886 sock_sendmsg_nosec net/socket.c:729 [inline] __sock_sendmsg net/socket.c:744 [inline] __sys_sendto+0x374/0x4f4 net/socket.c:2214 __do_sys_sendto net/socket.c:2226 [inline] __se_sys_sendto net/socket.c:2222 [inline] __arm64_sys_sendto+0xd8/0xf8 net/socket.c:2222 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 ---[ end trace ]--- ------------[ cut here ]------------ UBSAN: shift-out-of-bounds in lib/rhashtable.c:1189:32 shift exponent 4294901760 is too large for 32-bit type 'unsigned int' CPU: 0 UID: 0 PID: 8933 Comm: syz-executor Tainted: G B 6.12.0-syzkaller-g7b1d1d4cfac0 #0 Tainted: [B]=BAD_PAGE Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:484 (C) __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 ubsan_epilogue lib/ubsan.c:231 [inline] __ubsan_handle_shift_out_of_bounds+0x2f4/0x36c lib/ubsan.c:468 __rht_bucket_nested+0x5b0/0x5b4 lib/rhashtable.c:1189 rht_bucket_nested+0x48/0x6c lib/rhashtable.c:1220 rht_bucket include/linux/rhashtable.h:289 [inline] __rhashtable_lookup include/linux/rhashtable.h:605 [inline] rhashtable_lookup include/linux/rhashtable.h:646 [inline] rhashtable_lookup_fast+0x5fc/0x814 include/linux/rhashtable.h:672 ila_lookup_wildcards net/ipv6/ila/ila_xlat.c:132 [inline] ila_xlat_addr net/ipv6/ila/ila_xlat.c:657 [inline] ila_nf_input+0x210/0x404 net/ipv6/ila/ila_xlat.c:190 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_slow+0xc8/0x234 net/netfilter/core.c:626 nf_hook include/linux/netfilter.h:269 [inline] NF_HOOK+0x22c/0x3d4 include/linux/netfilter.h:312 ipv6_rcv+0x9c/0xbc net/ipv6/ip6_input.c:309 __netif_receive_skb_one_core net/core/dev.c:5670 [inline] __netif_receive_skb+0x18c/0x3c8 net/core/dev.c:5783 process_backlog+0x640/0x123c net/core/dev.c:6115 __napi_poll+0xb4/0x3fc net/core/dev.c:6779 napi_poll net/core/dev.c:6848 [inline] net_rx_action+0x6a8/0xf4c net/core/dev.c:6970 handle_softirqs+0x2e0/0xbf8 kernel/softirq.c:554 __do_softirq+0x14/0x20 kernel/softirq.c:588 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:81 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:891 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:86 do_softirq+0x90/0xf8 kernel/softirq.c:455 __local_bh_enable_ip+0x288/0x44c kernel/softirq.c:382 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline] _raw_spin_unlock_bh+0x3c/0x4c kernel/locking/spinlock.c:210 spin_unlock_bh include/linux/spinlock.h:396 [inline] batadv_iv_ogm_queue_add+0x53c/0xab4 net/batman-adv/bat_iv_ogm.c:661 batadv_iv_ogm_schedule_buff net/batman-adv/bat_iv_ogm.c:833 [inline] batadv_iv_ogm_schedule+0x6fc/0xdf0 net/batman-adv/bat_iv_ogm.c:868 batadv_iv_iface_enabled+0x20/0x30 net/batman-adv/bat_iv_ogm.c:2234 batadv_hardif_enable_interface+0x56c/0x7d8 net/batman-adv/hard-interface.c:778 batadv_softif_slave_add+0x80/0x134 net/batman-adv/soft-interface.c:844 do_set_master net/core/rtnetlink.c:2730 [inline] do_setlink+0xc30/0x3778 net/core/rtnetlink.c:2936 __rtnl_newlink net/core/rtnetlink.c:3725 [inline] rtnl_newlink+0x14c4/0x1bd0 net/core/rtnetlink.c:3772 rtnetlink_rcv_msg+0x630/0xa9c net/core/rtnetlink.c:6675 netlink_rcv_skb+0x214/0x3c4 net/netlink/af_netlink.c:2536 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6693 netlink_unicast_kernel net/netlink/af_netlink.c:1316 [inline] netlink_unicast+0x668/0x8a4 net/netlink/af_netlink.c:1342 netlink_sendmsg+0x7a4/0xa8c net/netlink/af_netlink.c:1886 sock_sendmsg_nosec net/socket.c:729 [inline] __sock_sendmsg net/socket.c:744 [inline] __sys_sendto+0x374/0x4f4 net/socket.c:2214 __do_sys_sendto net/socket.c:2226 [inline] __se_sys_sendto net/socket.c:2222 [inline] __arm64_sys_sendto+0xd8/0xf8 net/socket.c:2222 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 ---[ end trace ]--- Unable to handle kernel paging request at virtual address dfff800000000000 KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] Mem abort info: ESR = 0x0000000096000005 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x05: level 1 translation fault Data abort info: ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000 CM = 0, WnR = 0, TnD = 0, TagAccess = 0 GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [dfff800000000000] address between user and kernel address ranges Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP Modules linked in: CPU: 0 UID: 0 PID: 8933 Comm: syz-executor Tainted: G B 6.12.0-syzkaller-g7b1d1d4cfac0 #0 Tainted: [B]=BAD_PAGE Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 pstate: 40400005 (nZcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __rht_bucket_nested+0xbc/0x5b4 lib/rhashtable.c:1194 lr : nested_table_top lib/rhashtable.c:72 [inline] lr : __rht_bucket_nested+0xb0/0x5b4 lib/rhashtable.c:1193 sp : ffff8000800075a0 x29: ffff8000800075b0 x28: 1fffe0001e06e804 x27: ffff0000d01a8004 x26: dfff800000000000 x25: 00000000ffff0000 x24: 0000000000000000 x23: ffff0000d01a8000 x22: 00000000d012803d x21: 00000000d01a9100 x20: 00000000ffff0000 x19: 0000000000000000 x18: 0000000000000008 x17: 0000000000000000 x16: ffff80008b4b70d0 x15: ffff7000125a4440 x14: 1ffff000125a4440 x13: 0000000000000004 x12: ffffffffffffffff x11: ffff7000125a4440 x10: 0000000000ff0100 x9 : ffff8000973ac3a0 x8 : 0000000000000000 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800080006c58 x4 : ffff80008f90d220 x3 : ffff80008307b680 x2 : 0000000000000000 x1 : 0000000000000008 x0 : 0000000000000000 Call trace: __rht_bucket_nested+0xbc/0x5b4 lib/rhashtable.c:1194 (P) nested_table_top lib/rhashtable.c:72 [inline] (L) __rht_bucket_nested+0xb0/0x5b4 lib/rhashtable.c:1193 (L) rht_bucket_nested+0x48/0x6c lib/rhashtable.c:1220 rht_bucket include/linux/rhashtable.h:289 [inline] __rhashtable_lookup include/linux/rhashtable.h:605 [inline] rhashtable_lookup include/linux/rhashtable.h:646 [inline] rhashtable_lookup_fast+0x5fc/0x814 include/linux/rhashtable.h:672 ila_lookup_wildcards net/ipv6/ila/ila_xlat.c:132 [inline] ila_xlat_addr net/ipv6/ila/ila_xlat.c:657 [inline] ila_nf_input+0x210/0x404 net/ipv6/ila/ila_xlat.c:190 nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_slow+0xc8/0x234 net/netfilter/core.c:626 nf_hook include/linux/netfilter.h:269 [inline] NF_HOOK+0x22c/0x3d4 include/linux/netfilter.h:312 ipv6_rcv+0x9c/0xbc net/ipv6/ip6_input.c:309 __netif_receive_skb_one_core net/core/dev.c:5670 [inline] __netif_receive_skb+0x18c/0x3c8 net/core/dev.c:5783 process_backlog+0x640/0x123c net/core/dev.c:6115 __napi_poll+0xb4/0x3fc net/core/dev.c:6779 napi_poll net/core/dev.c:6848 [inline] net_rx_action+0x6a8/0xf4c net/core/dev.c:6970 handle_softirqs+0x2e0/0xbf8 kernel/softirq.c:554 __do_softirq+0x14/0x20 kernel/softirq.c:588 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:81 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:891 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:86 do_softirq+0x90/0xf8 kernel/softirq.c:455 __local_bh_enable_ip+0x288/0x44c kernel/softirq.c:382 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline] _raw_spin_unlock_bh+0x3c/0x4c kernel/locking/spinlock.c:210 spin_unlock_bh include/linux/spinlock.h:396 [inline] batadv_iv_ogm_queue_add+0x53c/0xab4 net/batman-adv/bat_iv_ogm.c:661 batadv_iv_ogm_schedule_buff net/batman-adv/bat_iv_ogm.c:833 [inline] batadv_iv_ogm_schedule+0x6fc/0xdf0 net/batman-adv/bat_iv_ogm.c:868 batadv_iv_iface_enabled+0x20/0x30 net/batman-adv/bat_iv_ogm.c:2234 batadv_hardif_enable_interface+0x56c/0x7d8 net/batman-adv/hard-interface.c:778 batadv_softif_slave_add+0x80/0x134 net/batman-adv/soft-interface.c:844 do_set_master net/core/rtnetlink.c:2730 [inline] do_setlink+0xc30/0x3778 net/core/rtnetlink.c:2936 __rtnl_newlink net/core/rtnetlink.c:3725 [inline] rtnl_newlink+0x14c4/0x1bd0 net/core/rtnetlink.c:3772 rtnetlink_rcv_msg+0x630/0xa9c net/core/rtnetlink.c:6675 netlink_rcv_skb+0x214/0x3c4 net/netlink/af_netlink.c:2536 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6693 netlink_unicast_kernel net/netlink/af_netlink.c:1316 [inline] netlink_unicast+0x668/0x8a4 net/netlink/af_netlink.c:1342 netlink_sendmsg+0x7a4/0xa8c net/netlink/af_netlink.c:1886 sock_sendmsg_nosec net/socket.c:729 [inline] __sock_sendmsg net/socket.c:744 [inline] __sys_sendto+0x374/0x4f4 net/socket.c:2214 __do_sys_sendto net/socket.c:2226 [inline] __se_sys_sendto net/socket.c:2222 [inline] __arm64_sys_sendto+0xd8/0xf8 net/socket.c:2222 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 Code: 97693a10 f9400308 8b130d18 d343ff08 (387a6908) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 97693a10 bl 0xfffffffffda4e840 4: f9400308 ldr x8, [x24] 8: 8b130d18 add x24, x8, x19, lsl #3 c: d343ff08 lsr x8, x24, #3 * 10: 387a6908 ldrb w8, [x8, x26] <-- trapping instruction