ip6_tunnel: ip6gre1 xmit: Local address not yet configured! bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P27477/1:b..l rcu: (detected by 1, t=10503 jiffies, g=154033, q=1275282 ncpus=2) task:syz-executor state:R running task stack:21712 pid:27477 tgid:27477 ppid:1 task_flags:0x40054c flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5388 [inline] __schedule+0x1821/0x5740 kernel/sched/core.c:7189 preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7513 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline] irqentry_exit+0x14f/0x8b0 kernel/entry/common.c:164 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:on_stack arch/x86/include/asm/stacktrace.h:56 [inline] RIP: 0010:stack_access_ok arch/x86/kernel/unwind_orc.c:409 [inline] RIP: 0010:deref_stack_reg arch/x86/kernel/unwind_orc.c:419 [inline] RIP: 0010:unwind_next_frame+0xda5/0x2550 arch/x86/kernel/unwind_orc.c:614 Code: 7c 24 68 48 89 9c 24 80 00 00 00 4d 8b 7e 08 49 8d 5e 10 49 89 dd 49 c1 ed 03 48 b8 00 00 00 00 00 fc ff df 41 80 7c 05 00 00 <74> 08 48 89 df e8 c1 1f ba 00 48 89 5c 24 60 4c 89 64 24 18 49 8d RSP: 0018:ffffc900048cf0d8 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: ffffc900048cf1b8 RCX: ffffffff904a0b3c RDX: ffffffff90c614fa RSI: 0000000000000002 RDI: ffffffff8c28a600 RBP: 1ffff92000919e36 R08: 0000000000000010 R09: ffffffff8e95cd20 R10: ffffc900048cf1f8 R11: ffffffff81b0e210 R12: ffffc900048cfb00 R13: 1ffff92000919e37 R14: ffffc900048cf1a8 R15: ffffc900048c8000 arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:57 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:78 unpoison_slab_object mm/kasan/common.c:340 [inline] __kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:366 kasan_slab_alloc include/linux/kasan.h:253 [inline] slab_post_alloc_hook mm/slub.c:4570 [inline] slab_alloc_node mm/slub.c:4899 [inline] kmem_cache_alloc_noprof+0x2bc/0x650 mm/slub.c:4906 kmem_alloc_batch lib/debugobjects.c:371 [inline] fill_pool+0x156/0x580 lib/debugobjects.c:420 debug_objects_fill_pool lib/debugobjects.c:752 [inline] debug_object_activate+0x4a3/0x580 lib/debugobjects.c:841 debug_rcu_head_queue kernel/rcu/rcu.h:236 [inline] __call_rcu_common kernel/rcu/tree.c:3116 [inline] call_rcu+0x43/0x890 kernel/rcu/tree.c:3251 slab_free_hook mm/slub.c:2653 [inline] slab_free mm/slub.c:6251 [inline] kmem_cache_free+0x462/0x650 mm/slub.c:6378 tear_down_vmas+0x312/0x520 mm/mmap.c:1262 exit_mmap+0x4b6/0x9e0 mm/mmap.c:1320 __mmput+0x118/0x430 kernel/fork.c:1178 exit_mm+0x1f6/0x2d0 kernel/exit.c:582 do_exit+0x6a2/0x22c0 kernel/exit.c:964 do_group_exit+0x21b/0x2d0 kernel/exit.c:1119 get_signal+0x1284/0x1330 kernel/signal.c:3038 arch_do_signal_or_restart+0xbc/0x840 arch/x86/kernel/signal.c:337 __exit_to_user_mode_loop kernel/entry/common.c:64 [inline] exit_to_user_mode_loop+0xa9/0x680 kernel/entry/common.c:98 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline] do_syscall_64+0x353/0x580 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2ceed3e3e7 RSP: 002b:00007ffed6766328 EFLAGS: 00000293 ORIG_RAX: 000000000000003e RAX: 0000000000000000 RBX: 000000000000005c RCX: 00007f2ceed3e3e7 RDX: 0000000000000297 RSI: 0000000000000009 RDI: 00000000ffffffa4 RBP: 00007ffed676636c R08: 00000000278c8c1f R09: 0000000000000000 R10: 4000000000000000 R11: 0000000000000293 R12: 0000000000000022 R13: 0000000000000064 R14: 00000000000d645f R15: 00007ffed67663c0