ip6_tunnel: ip6gre1 xmit: Local address not yet configured!
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 0-...!: (1 GPs behind) idle=045c/1/0x4000000000000000 softirq=78217/78217 fqs=3
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P15836/1:b..l..
rcu: (detected by 1, t=10502 jiffies, g=99777, q=1254 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 12564 Comm: syz.4.2529 Tainted: G L syzkaller #0 PREEMPT(full)
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
RIP: 0010:in_softirq_really kernel/kcov.c:167 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:179 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x2e/0x80 kernel/kcov.c:223
Code: 48 8b 04 24 65 48 8b 0d a8 3b 18 13 65 48 8b 15 a8 3b 18 13 f7 c2 00 01 00 ff 74 29 89 d6 81 e6 00 01 00 0f 81 fe 00 01 00 00 <40> 0f 95 c6 81 fa 00 00 00 10 0f 93 c2 40 08 f2 75 35 83 b9 44 17
RSP: 0018:ffffc90000007d38 EFLAGS: 00000006
RAX: ffffffff8c008ec4 RBX: ffff8880b8228898 RCX: ffff88801f7c3e80
RDX: 8000000001000201 RSI: 0000000001000000 RDI: ffff8880b8228898
RBP: dffffc0000000000 R08: 0000000001000001 R09: 1ffffffff237bf57
R10: dffffc0000000000 R11: fffffbfff237bf58 R12: 1ffff11017045108
R13: ffff88807efc3300 R14: 0000000000000000 R15: ffff8880b8228644
FS: 00007fb7940e16c0(0000) GS:ffff88812340b000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000006680 CR3: 0000000056276000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
__rb_add include/linux/rbtree.h:229 [inline]
rb_add_linked include/linux/rbtree.h:281 [inline]
timerqueue_linked_add+0x174/0x2e0 lib/timerqueue.c:96
enqueue_hrtimer+0x18e/0x2c0 kernel/time/hrtimer.c:1145
__run_hrtimer kernel/time/hrtimer.c:2095 [inline]
__hrtimer_run_queues+0x4ce/0xa10 kernel/time/hrtimer.c:2136
hrtimer_interrupt+0x4cd/0xaa0 kernel/time/hrtimer.c:2255
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1051 [inline]
__sysvec_apic_timer_interrupt+0x102/0x430 arch/x86/kernel/apic/apic.c:1068
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1062
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:sha256_transform_rorx+0xcd5/0x1110 lib/crypto/x86/sha256-avx2-asm.S:638
Code: 10 02 00 00 48 8b b4 24 08 02 00 00 03 07 89 07 03 5f 04 89 5f 04 03 4f 08 89 4f 08 44 03 47 0c 44 89 47 0c 03 57 10 89 57 10 <44> 03 4f 14 44 89 4f 14 44 03 57 18 44 89 57 18 44 03 5f 1c 44 89
RSP: 0018:ffffc90002ebeec0 EFLAGS: 00000296
RAX: 000000009ba3e414 RBX: 000000004dff0dfa RCX: 000000000a3ed444
RDX: 00000000b30aafed RSI: ffff888034b54a40 RDI: ffffc90002ebf208
RBP: ffffc90002ebf118 R08: 00000000b1f8ad58 R09: 00000000edb8f755
R10: 000000006e3163bc R11: 0000000053c51dcc R12: 0000000039026030
R13: 000000006170fe35 R14: 00000000d123d724 R15: 00000000dfe669d1
sha256_blocks_avx2+0x3d/0x60 lib/crypto/x86/sha256.h:31
sha256_blocks lib/crypto/x86/sha256.h:58 [inline]
__sha256_update+0xef/0x150 lib/crypto/sha256.c:208
sha256_update include/crypto/sha2.h:375 [inline]
crypto_sha256_update+0x27/0x40 crypto/sha256.c:145
crypto_shash_update include/crypto/hash.h:998 [inline]
ima_calc_file_hash_tfm security/integrity/ima/ima_crypto.c:233 [inline]
ima_calc_file_hash+0x48b/0x890 security/integrity/ima/ima_crypto.c:280
ima_collect_measurement+0x51b/0xa00 security/integrity/ima/ima_api.c:300
process_measurement+0x1272/0x1c10 security/integrity/ima/ima_main.c:425
ima_file_check+0xdc/0x130 security/integrity/ima/ima_main.c:686
security_file_post_open+0xb3/0x260 security/security.c:2776
do_open fs/namei.c:4853 [inline]
path_openat+0x1748/0x20f0 fs/namei.c:5016
do_file_open+0x23e/0x4a0 fs/namei.c:5045
do_sys_openat2+0x115/0x200 fs/open.c:1442
do_sys_open fs/open.c:1448 [inline]
__do_sys_openat fs/open.c:1788 [inline]
__se_sys_openat fs/open.c:1783 [inline]
__x64_sys_openat+0x138/0x170 fs/open.c:1783
do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb79319fb19
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb7940e1028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fb793425fa0 RCX: 00007fb79319fb19
RDX: 0000000000000000 RSI: 0000200000000280 RDI: ffffffffffffff9c
RBP: 00007fb793237b70 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb793426038 R14: 00007fb793425fa0 R15: 00007ffd2609c2c8
task:syz.1.3809 state:R running task stack:25096 pid:15836 tgid:15834 ppid:5647 task_flags:0x400140 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5583 [inline]
__schedule+0x17dd/0x5830 kernel/sched/core.c:7382
preempt_schedule_irq+0x4b/0x90 kernel/sched/core.c:7662
irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:543 [inline]
irqentry_exit+0x14f/0x9b0 kernel/entry/common.c:154
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:lock_acquire+0x232/0x350 kernel/locking/lockdep.c:5947
Code: ff ff ff e8 d0 aa 60 0a f7 44 24 10 00 02 00 00 0f 84 38 ff ff ff 65 48 8b 05 d2 34 3d 13 48 3b 44 24 50 75 33 fb 48 83 c4 58 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 48 8d 3d c7 19 1d
RSP: 0018:ffffc9000649f068 EFLAGS: 00000282
RAX: 282a42ad8e4f7600 RBX: 0000000000000000 RCX: 0000000000000046
RDX: 000000007cceec59 RSI: ffffffff8e9347d2 RDI: ffffffff8c8ea380
RBP: ffff888052ddddc0 R08: ffffffff8178798f R09: 0000000000000000
R10: ffffc9000649f1a8 R11: fffff52000c93e41 R12: ffffffff9015a420
R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000246
rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
rcu_read_lock include/linux/rcupdate.h:849 [inline]
class_rcu_constructor include/linux/rcupdate.h:1216 [inline]
unwind_next_frame+0xac/0x2550 arch/x86/kernel/unwind_orc.c:495
__unwind_start+0x514/0x660 arch/x86/kernel/unwind_orc.c:787
unwind_start arch/x86/include/asm/unwind.h:64 [inline]
arch_stack_walk+0xe3/0x150 arch/x86/kernel/stacktrace.c:24
stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
save_stack+0x122/0x230 mm/page_owner.c:183
__set_page_owner+0x8d/0x4c0 mm/page_owner.c:359
set_page_owner include/linux/page_owner.h:33 [inline]
post_alloc_hook+0x1f9/0x250 mm/page_alloc.c:1859
prep_new_page mm/page_alloc.c:1867 [inline]
get_page_from_freelist+0x220f/0x2280 mm/page_alloc.c:3938
__alloc_frozen_pages_noprof+0x1fe/0x410 mm/page_alloc.c:5447
alloc_pages_mpol+0x21e/0x390 mm/mempolicy.c:2511
folio_alloc_mpol_noprof+0x39/0x160 mm/mempolicy.c:2530
shmem_alloc_folio mm/shmem.c:2179 [inline]
shmem_alloc_and_add_folio+0x43e/0xf60 mm/shmem.c:2221
shmem_get_folio_gfp+0x594/0x1330 mm/shmem.c:2775
shmem_get_folio mm/shmem.c:2874 [inline]
shmem_write_begin+0x16c/0x330 mm/shmem.c:3509
generic_perform_write+0x2d5/0x8e0 mm/filemap.c:4392
shmem_file_write_iter+0xf8/0x120 mm/shmem.c:3684
new_sync_write fs/read_write.c:595 [inline]
vfs_write+0x612/0xba0 fs/read_write.c:687
ksys_write+0x150/0x270 fs/read_write.c:1036
do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7eff9cb6034e
RSP: 002b:00007eff9db3bda8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007eff9db3c6c0 RCX: 00007eff9cb6034e
RDX: 0000000001000000 RSI: 00007eff92800000 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004
R13: 00007eff9db3bee0 R14: 00007eff9db3bea0 R15: 00007eff92800000
rcu: rcu_preempt kthread starved for 10403 jiffies! g99777 f0x0 RCU_GP_WAIT_FQS(5) ->state=R ->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:26848 pid:17 tgid:17 ppid:2 task_flags:0x208040 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5583 [inline]
__schedule+0x17dd/0x5830 kernel/sched/core.c:7382
__schedule_loop kernel/sched/core.c:7459 [inline]
schedule+0x164/0x2b0 kernel/sched/core.c:7474
schedule_timeout+0x152/0x2c0 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x30c/0x1230 kernel/rcu/tree.c:2122
rcu_gp_kthread+0x9c/0x340 kernel/rcu/tree.c:2330
kthread+0x38b/0x480 kernel/kthread.c:436
ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 UID: 0 PID: 12867 Comm: syz-executor Tainted: G L syzkaller #0 PREEMPT(full)
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
RIP: 0010:csd_lock_wait kernel/smp.c:389 [inline]
RIP: 0010:csd_lock kernel/smp.c:422 [inline]
RIP: 0010:smp_call_function_many_cond+0x61e/0x1500 kernel/smp.c:970
Code: b6 04 04 84 c0 0f 85 d5 03 00 00 44 8b 3b 44 89 fe 83 e6 01 31 ff e8 21 7a 0c 00 41 83 e7 01 75 07 e8 06 75 0c 00 eb 3f f3 90 <48> b8 00 00 00 00 00 fc ff df 41 0f b6 04 04 84 c0 75 0f f7 03 01
RSP: 0018:ffffc9000de2f420 EFLAGS: 00000293
RAX: ffffffff81bc9f6e RBX: ffff8880b8244328 RCX: ffff88807f313e80
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9000de2f570 R08: ffff88807f31541f R09: 1ffff1100fe62a83
R10: dffffc0000000000 R11: 0000000000000000 R12: 1ffff11017048865
R13: 0000000000000000 R14: ffff8880b8244320 R15: 0000000000000001
FS: 0000555575363500(0000) GS:ffff88812350b000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007eff9cbed200 CR3: 000000005116a000 CR4: 00000000003526f0
Call Trace:
__flush_tlb_multi arch/x86/include/asm/paravirt.h:46 [inline]
flush_tlb_multi arch/x86/mm/tlb.c:1361 [inline]
flush_tlb_mm_range+0x910/0x10b0 arch/x86/mm/tlb.c:1435
dup_mmap+0x17dd/0x1e10 mm/mmap.c:1884
dup_mm kernel/fork.c:1542 [inline]
copy_mm+0x115/0x470 kernel/fork.c:1594
copy_process+0x1ecc/0x4510 kernel/fork.c:2320
kernel_clone+0x2d7/0x940 kernel/fork.c:2790
__do_sys_clone kernel/fork.c:2932 [inline]
__se_sys_clone kernel/fork.c:2916 [inline]
__x64_sys_clone+0x1b6/0x230 kernel/fork.c:2916
do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fced85c8592
Code: 89 e7 e8 71 8b f7 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 66 89 c5 85 c0 75 3b 64 48 8b 04 25 10 00 00
RSP: 002b:00007ffedc09a720 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007ffedc09a720 RCX: 00007fced85c8592
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 00007ffedc09a8ac R08: 0000000000000000 R09: 0000000000000001
R10: 00005555753637d0 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000000927c0 R14: 0000000000081220 R15: 00007ffedc09a900