bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P13026/1:b..l rcu: (detected by 0, t=10502 jiffies, g=66909, q=1595 ncpus=1) task:syz.2.1483 state:R running task stack:23816 pid:13026 tgid:13024 ppid:5835 task_flags:0x400740 flags:0x00480000 Call Trace: context_switch kernel/sched/core.c:5256 [inline] __schedule+0x1139/0x6150 kernel/sched/core.c:6863 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7190 irqentry_exit+0x1d8/0x8c0 kernel/entry/common.c:216 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:210 Code: b6 16 57 00 48 89 df 5b e9 fd aa 5c 00 be 03 00 00 00 5b e9 42 c2 e6 02 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 8b 34 24 65 48 8b 15 98 f7 ed 11 65 8b 05 a9 f7 ed RSP: 0018:ffffc9000b286b88 EFLAGS: 00000293 RAX: 0000000000000002 RBX: ffff888058f85342 RCX: ffffffff8b618d38 RDX: ffff888025e99e80 RSI: 000000000000003f RDI: 0000000000000001 RBP: ffffc9000b286c00 R08: 0000000000000001 R09: 000000000000003f R10: 0000000000000006 R11: 00000000a7ab8ae4 R12: 00000000000008c0 R13: ffff888058f85340 R14: 0000000000000006 R15: 00000000000008c0 get_offset lib/xarray.c:147 [inline] xas_descend lib/xarray.c:207 [inline] xas_load+0x127/0x5b0 lib/xarray.c:246 filemap_get_entry+0x109/0x3b0 mm/filemap.c:1889 shmem_get_folio_gfp+0x367/0x1610 mm/shmem.c:2459 shmem_get_folio mm/shmem.c:2641 [inline] shmem_write_begin+0x160/0x300 mm/shmem.c:3291 generic_perform_write+0x3c4/0x900 mm/filemap.c:4300 shmem_file_write_iter+0x10e/0x140 mm/shmem.c:3466 __kernel_write_iter+0x31a/0xb10 fs/read_write.c:619 dump_emit_page fs/coredump.c:1298 [inline] dump_user_range+0x413/0xb70 fs/coredump.c:1372 elf_core_dump+0x29c3/0x3c10 fs/binfmt_elf.c:2111 coredump_write fs/coredump.c:1049 [inline] do_coredump fs/coredump.c:1126 [inline] vfs_coredump+0x2b85/0x55e0 fs/coredump.c:1200 get_signal+0x22e1/0x26d0 kernel/signal.c:3019 arch_do_signal_or_restart+0x8f/0x7a0 arch/x86/kernel/signal.c:337 __exit_to_user_mode_loop kernel/entry/common.c:41 [inline] exit_to_user_mode_loop+0x8c/0x540 kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline] do_syscall_64+0x4ee/0xf80 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9c2bf8f7c9 RSP: 002b:00007f9c2a1f60e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f9c2c1e5fa8 RCX: 00007f9c2bf8f7c9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f9c2c1e5fac RBP: 00007f9c2c1e5fa0 R08: 00007f9c2cd21000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f9c2c1e6038 R14: 00007fffc18c6720 R15: 00007fffc18c6808 net_ratelimit: 15487 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) net_ratelimit: 17374 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)