ip6_tunnel: ip6tnl4 xmit: Local address not yet configured! ip6_tunnel: ip6tnl1 xmit: Local address not yet configured! rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P22101/1:b..l rcu: (detected by 0, t=10502 jiffies, g=216761, q=473 ncpus=2) task:syz-executor.3 state:R running task stack:27280 pid:22101 ppid:5058 flags:0x00004002 Call Trace: context_switch kernel/sched/core.c:5381 [inline] __schedule+0xee1/0x59f0 kernel/sched/core.c:6710 preempt_schedule_irq+0x52/0x90 kernel/sched/core.c:7022 irqentry_exit+0x35/0x80 kernel/entry/common.c:433 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645 RIP: 0010:rcu_is_watching+0x7f/0xb0 kernel/rcu/tree.c:698 Code: c1 ea 03 0f b6 14 02 48 89 d8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 1c 8b 03 c1 e8 02 83 e0 01 65 ff 0d cc 85 94 7e 74 03 5b <5d> c3 e8 5a 4e 91 ff 5b 5d c3 48 89 df e8 6f 28 6b 00 eb da e8 88 RSP: 0018:ffffc9000308f308 EFLAGS: 00000286 RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffc9000cabb000 RDX: 0000000000000000 RSI: ffffffff8ac80660 RDI: ffffffff8c39aa08 RBP: 0000000000000001 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000094000 R12: ffffffff817445d0 R13: ffffc9000308f430 R14: 0000000000000000 R15: ffff8880428abb80 rcu_read_unlock include/linux/rcupdate.h:778 [inline] is_bpf_text_address+0x126/0x1a0 kernel/bpf/core.c:721 kernel_text_address kernel/extable.c:125 [inline] kernel_text_address+0x85/0xf0 kernel/extable.c:94 __kernel_text_address+0xd/0x30 kernel/extable.c:79 unwind_get_return_address+0x55/0xa0 arch/x86/kernel/unwind_orc.c:369 arch_stack_walk+0x9d/0xf0 arch/x86/kernel/stacktrace.c:26 stack_trace_save+0x96/0xd0 kernel/stacktrace.c:122 save_stack+0x160/0x1f0 mm/page_owner.c:128 __set_page_owner+0x1f/0x60 mm/page_owner.c:192 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x2d2/0x350 mm/page_alloc.c:1570 prep_new_page mm/page_alloc.c:1577 [inline] get_page_from_freelist+0x10a9/0x31e0 mm/page_alloc.c:3221 __alloc_pages+0x1d0/0x4a0 mm/page_alloc.c:4477 alloc_pages+0x1a9/0x270 mm/mempolicy.c:2279 folio_alloc+0x1e/0x60 mm/mempolicy.c:2289 filemap_alloc_folio+0x3bb/0x490 mm/filemap.c:979 __filemap_get_folio+0x288/0x990 mm/filemap.c:1933 ext4_da_write_begin+0x3c7/0x8c0 fs/ext4/inode.c:2883 generic_perform_write+0x278/0x600 mm/filemap.c:3923 ext4_buffered_write_iter+0x11f/0x3c0 fs/ext4/file.c:299 ext4_file_write_iter+0x7ee/0x1950 fs/ext4/file.c:722 call_write_iter include/linux/fs.h:1871 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x650/0xe40 fs/read_write.c:584 ksys_write+0x12f/0x250 fs/read_write.c:637 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fbc0da7cb29 RSP: 002b:00007fbc0c5fe0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fbc0db9bf80 RCX: 00007fbc0da7cb29 RDX: 000000000208e24b RSI: 0000000020000100 RDI: 0000000000000003 RBP: 00007fbc0dac847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fbc0db9bf80 R15: 00007ffc143be1d8 rcu: rcu_preempt kthread starved for 10165 jiffies! g216761 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:R running task stack:27936 pid:16 ppid:2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:5381 [inline] __schedule+0xee1/0x59f0 kernel/sched/core.c:6710 schedule+0xe7/0x1b0 kernel/sched/core.c:6786 schedule_timeout+0x157/0x2c0 kernel/time/timer.c:2167 rcu_gp_fqs_loop+0x1ec/0xa50 kernel/rcu/tree.c:1609 rcu_gp_kthread+0x249/0x380 kernel/rcu/tree.c:1808 kthread+0x33a/0x430 kernel/kthread.c:389 ret_from_fork+0x2c/0x70 arch/x86/kernel/process.c:145 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:296 RIP: 0000:0x0 Code: Unable to access opcode bytes at 0xffffffffffffffd6. RSP: 0000:0000000000000000 EFLAGS: 00000000 ORIG_RAX: 0000000000000000 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 rcu: Stack dump where RCU GP kthread last ran: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.5.0-rc2-syzkaller-00052-gbfa3037d8280 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023 RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline] RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:72 [inline] RIP: 0010:acpi_safe_halt+0x1b/0x20 drivers/acpi/processor_idle.c:113 Code: ed c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 65 48 8b 04 25 80 b9 03 00 48 8b 00 a8 08 75 0c eb 07 0f 00 2d 77 10 a1 00 fb f4 c3 0f 1f 00 0f b6 47 08 3c 01 74 0b 3c 02 74 05 8b 7f 04 eb 9f RSP: 0018:ffffffff8c607d70 EFLAGS: 00000246 RAX: 0000000000004000 RBX: 0000000000000001 RCX: ffffffff8a32076e RDX: 0000000000000001 RSI: ffff888145a77000 RDI: ffff888145a77064 RBP: ffff888145a77064 R08: 0000000000000001 R09: ffffed1017306d9d R10: ffff8880b9836ceb R11: 0000000000000000 R12: ffff888143242800 R13: ffffffff8d44f960 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 0000000075dfb000 CR4: 0000000000350ef0 Call Trace: acpi_idle_enter+0xc5/0x160 drivers/acpi/processor_idle.c:707 cpuidle_enter_state+0x82/0x500 drivers/cpuidle/cpuidle.c:267 cpuidle_enter+0x4e/0xa0 drivers/cpuidle/cpuidle.c:388 cpuidle_idle_call kernel/sched/idle.c:215 [inline] do_idle+0x315/0x3f0 kernel/sched/idle.c:282 cpu_startup_entry+0x18/0x20 kernel/sched/idle.c:379 rest_init+0x16f/0x2b0 init/main.c:726 arch_call_rest_init+0x13/0x30 init/main.c:823 start_kernel+0x39f/0x480 init/main.c:1068 x86_64_start_reservations+0x18/0x30 arch/x86/kernel/head64.c:556 x86_64_start_kernel+0xb2/0xc0 arch/x86/kernel/head64.c:537 secondary_startup_64_no_verify+0x167/0x16b