bridge0: received packet on veth0_to_bridge with own address as source address (addr:2a:ab:6c:80:5a:1e, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P9258/1:b..l rcu: (detected by 0, t=10503 jiffies, g=22061, q=1365 ncpus=2) task:syz.4.975 state:R running task stack:28904 pid:9258 tgid:9256 ppid:5860 task_flags:0x400040 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5397 [inline] __schedule+0x16f5/0x4d00 kernel/sched/core.c:6786 preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7109 irqentry_exit+0x6f/0x90 kernel/entry/common.c:307 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:unwind_next_frame+0x1170/0x2390 arch/x86/kernel/unwind_orc.c:641 Code: 7f af 00 48 8b 14 24 4d 89 65 00 41 0f b6 04 2f 84 c0 0f 85 f9 0f 00 00 c6 03 00 4c 8b 64 24 10 4c 8b 7c 24 28 48 8b 44 24 40 <0f> b6 04 28 84 c0 0f 85 8a 0d 00 00 41 0f b6 04 2f 84 c0 0f 85 a1 RSP: 0018:ffffc9001a977878 EFLAGS: 00000246 RAX: 1ffffffff216dd8b RBX: ffffc9001a977980 RCX: 0000000000000000 RDX: ffffffff90b6ec5e RSI: 0000000000000000 RDI: ffffc9001a9779a8 RBP: dffffc0000000000 R08: ffffc9001a9779a7 R09: 0000000000000000 R10: ffffc9001a977998 R11: fffff5200352ef35 R12: ffffc9001a977ef0 R13: ffffc9001a977998 R14: ffffc9001a977948 R15: 1ffffffff216dd8b arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:68 unpoison_slab_object mm/kasan/common.c:319 [inline] __kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:345 kasan_slab_alloc include/linux/kasan.h:250 [inline] slab_post_alloc_hook mm/slub.c:4148 [inline] slab_alloc_node mm/slub.c:4197 [inline] kmem_cache_alloc_noprof+0x1c1/0x3c0 mm/slub.c:4204 alloc_empty_file+0x55/0x1d0 fs/file_table.c:234 alloc_file fs/file_table.c:351 [inline] alloc_file_pseudo+0x13d/0x210 fs/file_table.c:380 sock_alloc_file+0xb8/0x2e0 net/socket.c:470 sock_map_fd net/socket.c:500 [inline] __sys_socket+0x13d/0x1b0 net/socket.c:1692 __do_sys_socket net/socket.c:1697 [inline] __se_sys_socket net/socket.c:1695 [inline] __x64_sys_socket+0x7a/0x90 net/socket.c:1695 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f418b78e9a9 RSP: 002b:00007f418c68b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 00007f418b9b5fa0 RCX: 00007f418b78e9a9 RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000010 RBP: 00007f418b810d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f418b9b5fa0 R15: 00007ffc5b817d98 net_ratelimit: 39895 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:2a:ab:6c:80:5a:1e, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:2a:ab:6c:80:5a:1e, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:2a:ab:6c:80:5a:1e, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:2a:ab:6c:80:5a:1e, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:2a:ab:6c:80:5a:1e, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:2a:ab:6c:80:5a:1e, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:2a:ab:6c:80:5a:1e, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:2a:ab:6c:80:5a:1e, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:2a:ab:6c:80:5a:1e, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:2a:ab:6c:80:5a:1e, vlan:0)