bridge0: received packet on veth0_to_bridge with own address as source address (addr:d2:55:46:6c:b7:13, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:d2:55:46:6c:b7:13, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P22997/1:b..l rcu: (detected by 0, t=10502 jiffies, g=143473, q=814 ncpus=1) task:syz.7.4020 state:R running task stack:22976 pid:22997 tgid:22997 ppid:16179 task_flags:0x440640 flags:0x00080001 Call Trace: context_switch kernel/sched/core.c:5298 [inline] __schedule+0xfee/0x6120 kernel/sched/core.c:6911 preempt_schedule_irq+0x50/0x90 kernel/sched/core.c:7238 irqentry_exit+0x17b/0x670 kernel/entry/common.c:239 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:deref_stack_reg arch/x86/kernel/unwind_orc.c:422 [inline] RIP: 0010:unwind_next_frame+0xb18/0x1ea0 arch/x86/kernel/unwind_orc.c:600 Code: f8 ff ff 49 8d 76 f8 ba 08 00 00 00 4d 8d 7d 34 4c 89 ef 48 89 74 24 28 e8 15 f3 ff ff 84 c0 0f 84 39 f8 ff ff 48 8b 7c 24 28 e3 ec ff ff 48 89 ee 48 8b 4c 24 20 48 ba 00 00 00 00 00 fc ff RSP: 0018:ffffc90004a06020 EFLAGS: 00000202 RAX: ffffc90004a08001 RBX: 0000000000000001 RCX: ffffffff9183af80 RDX: ffffc90004a06c01 RSI: ffffc90004a06c48 RDI: ffffc90004a06c48 RBP: ffffc90004a060d8 R08: ffffffff9183af84 R09: 0000000000000007 R10: 0000000000000200 R11: 000000000001426a R12: ffffc90004a060e0 R13: ffffc90004a06090 R14: ffffc90004a06c50 R15: ffffc90004a060c4 arch_stack_walk+0x94/0xf0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122 save_stack+0x162/0x1e0 mm/page_owner.c:165 __set_page_owner+0x8c/0x540 mm/page_owner.c:341 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x153/0x170 mm/page_alloc.c:1889 prep_new_page mm/page_alloc.c:1897 [inline] get_page_from_freelist+0x111d/0x3140 mm/page_alloc.c:3962 __alloc_frozen_pages_noprof+0x27c/0x2ba0 mm/page_alloc.c:5250 alloc_pages_mpol+0x1fb/0x550 mm/mempolicy.c:2484 alloc_pages_noprof mm/mempolicy.c:2575 [inline] folio_alloc_noprof+0x22/0x330 mm/mempolicy.c:2585 filemap_alloc_folio_noprof.part.0+0x377/0x450 mm/filemap.c:1013 filemap_alloc_folio_noprof+0x5e/0x80 mm/filemap.c:1014 ractl_alloc_folio+0x1d/0x100 mm/readahead.c:189 page_cache_ra_unbounded+0x357/0xa40 mm/readahead.c:277 do_page_cache_ra+0x10c/0x160 mm/readahead.c:334 page_cache_ra_order+0xc4e/0xf30 mm/readahead.c:538 page_cache_async_ra+0x7bb/0xd50 mm/readahead.c:700 do_async_mmap_readahead mm/filemap.c:3441 [inline] filemap_fault+0xf91/0x2eb0 mm/filemap.c:3540 __do_fault+0x10d/0x550 mm/memory.c:5364 do_read_fault mm/memory.c:5799 [inline] do_fault+0xabb/0x1990 mm/memory.c:5933 do_pte_missing mm/memory.c:4477 [inline] handle_pte_fault mm/memory.c:6317 [inline] __handle_mm_fault+0x180f/0x2b60 mm/memory.c:6455 handle_mm_fault+0x36d/0xa20 mm/memory.c:6624 faultin_page mm/gup.c:1126 [inline] __get_user_pages+0xf9c/0x34d0 mm/gup.c:1428 __get_user_pages_locked mm/gup.c:1692 [inline] get_dump_page+0x27e/0x3d0 mm/gup.c:2192 dump_user_range+0x18d/0xb50 fs/coredump.c:1367 elf_core_dump+0x2d5f/0x3d10 fs/binfmt_elf.c:2110 coredump_write fs/coredump.c:1050 [inline] do_coredump fs/coredump.c:1127 [inline] vfs_coredump+0x27bc/0x5570 fs/coredump.c:1201 get_signal+0x1f2a/0x21e0 kernel/signal.c:3019 arch_do_signal_or_restart+0x91/0x770 arch/x86/kernel/signal.c:337 __exit_to_user_mode_loop kernel/entry/common.c:64 [inline] exit_to_user_mode_loop kernel/entry/common.c:98 [inline] __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] irqentry_exit_to_user_mode_prepare include/linux/irq-entry-common.h:270 [inline] irqentry_exit_to_user_mode include/linux/irq-entry-common.h:339 [inline] irqentry_exit+0x1f8/0x670 kernel/entry/common.c:219 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618 RIP: 0033:0x8000 RSP: 002b:0000000000000018 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 00007f0eb8e15fa0 RCX: 00007f0eb8b9c799 RDX: 0000000000000000 RSI: 0000000000000010 RDI: 0000000004001000 RBP: 00007f0eb8c32c99 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 00007f0eb8e16038 R14: 00007f0eb8e15fa0 R15: 00007fffcaa64bc8 net_ratelimit: 4036 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:d2:55:46:6c:b7:13, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:d2:55:46:6c:b7:13, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:d2:55:46:6c:b7:13, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:d2:55:46:6c:b7:13, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:d2:55:46:6c:b7:13, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:d2:55:46:6c:b7:13, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:d2:55:46:6c:b7:13, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:d2:55:46:6c:b7:13, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:d2:55:46:6c:b7:13, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:d2:55:46:6c:b7:13, vlan:0) net_ratelimit: 4102 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:d2:55:46:6c:b7:13, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:d2:55:46:6c:b7:13, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:d2:55:46:6c:b7:13, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:d2:55:46:6c:b7:13, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:d2:55:46:6c:b7:13, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:d2:55:46:6c:b7:13, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:d2:55:46:6c:b7:13, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:d2:55:46:6c:b7:13, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:d2:55:46:6c:b7:13, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:d2:55:46:6c:b7:13, vlan:0)