ip6_tunnel: ip6gretap1 xmit: Local address not yet configured!
ip6_tunnel: ip6gretap1 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): P11796/1:b..l P11801/1:b..l
rcu: (detected by 0, t=10502 jiffies, g=54849, q=367 ncpus=2)
task:modprobe state:R running task stack:24104 pid:11801 tgid:11801 ppid:6191 task_flags:0x400000 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5397 [inline]
__schedule+0x16aa/0x4c90 kernel/sched/core.c:6786
preempt_schedule_notrace+0xd1/0x110 kernel/sched/core.c:7059
preempt_schedule_notrace_thunk+0x16/0x30 arch/x86/entry/thunk.S:13
rcu_is_watching+0x7f/0xb0 kernel/rcu/tree.c:746
rcu_read_unlock include/linux/rcupdate.h:869 [inline]
class_rcu_destructor include/linux/rcupdate.h:1155 [inline]
unwind_next_frame+0x1965/0x2390 arch/x86/kernel/unwind_orc.c:680
arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122
kasan_save_stack+0x3e/0x60 mm/kasan/common.c:47
kasan_record_aux_stack+0xbd/0xd0 mm/kasan/generic.c:548
__call_rcu_common kernel/rcu/tree.c:3094 [inline]
call_rcu+0x157/0x9c0 kernel/rcu/tree.c:3214
mas_wr_node_store lib/maple_tree.c:3887 [inline]
mas_wr_store_entry+0x1f1b/0x25b0 lib/maple_tree.c:4098
mas_store_prealloc+0xb00/0xf60 lib/maple_tree.c:5507
vma_iter_store_new mm/vma.h:509 [inline]
vma_complete+0x224/0xae0 mm/vma.c:351
__split_vma+0x8a6/0xa00 mm/vma.c:565
vms_gather_munmap_vmas+0x4ab/0x12b0 mm/vma.c:1375
__mmap_prepare mm/vma.c:2351 [inline]
__mmap_region mm/vma.c:2607 [inline]
mmap_region+0x678/0x1f30 mm/vma.c:2692
do_mmap+0xc45/0x10d0 mm/mmap.c:561
vm_mmap_pgoff+0x31b/0x4c0 mm/util.c:579
ksys_mmap_pgoff+0x51f/0x760 mm/mmap.c:607
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: 0033:0x7fe7e5e87242
RSP: 002b:00007ffe10d156d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007fe7e5d86000 RCX: 00007fe7e5e87242
RDX: 0000000000000003 RSI: 0000000000006000 RDI: 00007fe7e5d86000
RBP: 0000000000000812 R08: 0000000000000000 R09: 00000000001cc000
R10: 0000000000000812 R11: 0000000000000206 R12: 00007ffe10d15798
R13: 00007fe7e5e5b5f0 R14: 00007ffe10d15f10 R15: 00000fffc21a2ade
task:syz.1.1651 state:R running task stack:25096 pid:11796 tgid:11793 ppid:5837 task_flags:0x400040 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5397 [inline]
__schedule+0x16aa/0x4c90 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:ns_of_pid include/linux/pid.h:149 [inline]
RIP: 0010:task_active_pid_ns kernel/pid.c:526 [inline]
RIP: 0010:__task_pid_nr_ns+0x14c/0x470 kernel/pid.c:516
Code: 0f b6 04 28 84 c0 0f 85 08 03 00 00 8b 43 04 48 c1 e0 04 4c 8d 34 03 49 81 c6 00 01 00 00 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 <74> 08 4c 89 f7 e8 fa e5 92 00 4d 8b 36 eb 08 e8 b0 fe 32 00 45 31
RSP: 0018:ffffc9000ba7fea8 EFLAGS: 00000246
RAX: 1ffff11006322512 RBX: ffff888031912780 RCX: 0000000000080000
RDX: ffffc9000cef5000 RSI: 000000000000c8d8 RDI: ffff888031912784
RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff818d25d8
R10: dffffc0000000000 R11: fffffbfff1f4167f R12: 0000000000000001
R13: dffffc0000000000 R14: ffff888031912890 R15: ffff88802370da00
task_tgid_vnr include/linux/pid.h:294 [inline]
__ia32_sys_getpid+0x1e/0x30 kernel/sys.c:972
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: 0033:0x7f504f185ba7
RSP: 002b:00007f5050028b08 EFLAGS: 00000202 ORIG_RAX: 0000000000000027
RAX: ffffffffffffffda RBX: 00007f5050028c70 RCX: 00007f504f185ba7
RDX: 00007f5050028b40 RSI: 00007f5050028c70 RDI: 0000000000000021
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 00007f504f3b6128 R14: 00007ffddd60da00 R15: 00007ffddd60dae8
rcu: rcu_preempt kthread starved for 9708 jiffies! g54849 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
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:26792 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5397 [inline]
__schedule+0x16aa/0x4c90 kernel/sched/core.c:6786
__schedule_loop kernel/sched/core.c:6864 [inline]
schedule+0x165/0x360 kernel/sched/core.c:6879
schedule_timeout+0x12b/0x270 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x301/0x1540 kernel/rcu/tree.c:2054
rcu_gp_kthread+0x99/0x390 kernel/rcu/tree.c:2256
kthread+0x70e/0x8a0 kernel/kthread.c:464
ret_from_fork+0x3fc/0x770 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.16.0-syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:pv_native_safe_halt+0x13/0x20 arch/x86/kernel/paravirt.c:82
Code: 53 de 02 00 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d d3 ad 21 00 f3 0f 1e fa fb f4 cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90000197de0 EFLAGS: 000002c2
RAX: 263e4f2746412400 RBX: ffffffff81976918 RCX: 263e4f2746412400
RDX: 0000000000000001 RSI: ffffffff8d982fba RDI: ffffffff8be1ba40
RBP: ffffc90000197f20 R08: ffff8880b8732f5b R09: 1ffff110170e65eb
R10: dffffc0000000000 R11: ffffed10170e65ec R12: ffffffff8fa0b3f0
R13: 0000000000000001 R14: 0000000000000001 R15: 1ffff11003a57b40
FS: 0000000000000000(0000) GS:ffff888125d57000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fddf68d934d CR3: 0000000031588000 CR4: 00000000003526f0
Call Trace:
arch_safe_halt arch/x86/include/asm/paravirt.h:107 [inline]
default_idle+0x13/0x20 arch/x86/kernel/process.c:749
default_idle_call+0x74/0xb0 kernel/sched/idle.c:117
cpuidle_idle_call kernel/sched/idle.c:185 [inline]
do_idle+0x1e8/0x510 kernel/sched/idle.c:325
cpu_startup_entry+0x44/0x60 kernel/sched/idle.c:423
start_secondary+0x101/0x110 arch/x86/kernel/smpboot.c:315
common_startup_64+0x13e/0x147