ip6_tunnel: syztnl2 xmit: Local address not yet configured! ip6_tunnel: syztnl2 xmit: Local address not yet configured! watchdog: BUG: soft lockup - CPU#0 stuck for 21s! [syz.6.1355:10768] Modules linked in: irq event stamp: 63648 hardirqs last enabled at (63647): [] irqentry_exit_to_kernel_mode_after_preempt include/linux/irq-entry-common.h:507 [inline] hardirqs last enabled at (63647): [] arm64_exit_to_kernel_mode+0x80/0x94 arch/arm64/kernel/entry-common.c:62 hardirqs last disabled at (63648): [] __el1_irq arch/arm64/kernel/entry-common.c:506 [inline] hardirqs last disabled at (63648): [] el1_interrupt+0x28/0x60 arch/arm64/kernel/entry-common.c:522 softirqs last enabled at (63646): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (63646): [] handle_softirqs+0xc28/0xd98 kernel/softirq.c:650 softirqs last disabled at (63629): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 CPU: 0 UID: 0 PID: 10768 Comm: syz.6.1355 Tainted: G L syzkaller #0 PREEMPT Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : csd_lock_wait kernel/smp.c:342 [inline] pc : smp_call_function_many_cond+0xfd0/0x1640 kernel/smp.c:892 lr : csd_lock_wait kernel/smp.c:342 [inline] lr : smp_call_function_many_cond+0xfe8/0x1640 kernel/smp.c:892 sp : ffff800093e77240 x29: ffff800093e77330 x28: 0000000000000011 x27: 0000000000000001 x26: ffff0001adf72780 x25: ffff800088a0f680 x24: ffffffffffffffff x23: 1fffe00035bee4f0 x22: dfff800000000000 x21: 1fffe00035bee4f1 x20: ffff0001adf72788 x19: ffff0001adf9c0a8 x18: 0000000000000000 x17: 0000000000000000 x16: ffff80008ec7c1c8 x15: ffff0000e310b108 x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 x11: 0000000000000000 x10: ffff600035bf3816 x9 : 0000000000000000 x8 : 0000000000000011 x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000000 x3 : ffff8000805a8f60 x2 : 0000000000000000 x1 : ffff0000d5943a00 x0 : 0000000000000000 Call trace: __cmpwait_case_32 arch/arm64/include/asm/cmpxchg.h:233 [inline] (P) __cmpwait arch/arm64/include/asm/cmpxchg.h:259 [inline] (P) csd_lock_wait kernel/smp.c:342 [inline] (P) smp_call_function_many_cond+0xfd0/0x1640 kernel/smp.c:892 (P) smp_call_function_many kernel/smp.c:915 [inline] smp_call_function+0x58/0xbc kernel/smp.c:935 kick_all_cpus_sync+0x28/0x34 kernel/smp.c:1081 flush_icache_range arch/arm64/include/asm/cacheflush.h:105 [inline] __text_poke+0xd8/0xf8 arch/arm64/kernel/patching.c:129 aarch64_insn_copy+0x3c/0x50 arch/arm64/kernel/patching.c:160 bpf_arch_text_copy+0x34/0x54 arch/arm64/net/bpf_jit_comp.c:2234 bpf_jit_binary_pack_finalize+0x44/0xf0 kernel/bpf/core.c:1179 bpf_int_jit_compile+0xbf0/0xf90 arch/arm64/net/bpf_jit_comp.c:2164 jit_subprogs kernel/bpf/fixups.c:1209 [inline] bpf_jit_subprogs+0x2e68/0x3798 kernel/bpf/fixups.c:1329 bpf_fixup_call_args+0xcc/0x108 kernel/bpf/fixups.c:1387 bpf_check+0x2360/0x3bd8 kernel/bpf/verifier.c:20124 bpf_prog_load+0xf20/0x1448 kernel/bpf/syscall.c:3082 __sys_bpf+0x3f4/0x5f0 kernel/bpf/syscall.c:6274 __do_sys_bpf kernel/bpf/syscall.c:6387 [inline] __se_sys_bpf kernel/bpf/syscall.c:6385 [inline] __arm64_sys_bpf+0x80/0x98 kernel/bpf/syscall.c:6385 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:736 el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:755 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 5767 Comm: udevd Tainted: G L syzkaller #0 PREEMPT Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:-1 [inline] pc : arch_local_irq_enable arch/arm64/include/asm/irqflags.h:48 [inline] pc : handle_softirqs+0x1cc/0xd98 kernel/softirq.c:606 lr : handle_softirqs+0x1c8/0xd98 kernel/softirq.c:606 sp : ffff80008ea27ef0 x29: ffff80008ea27f80 x28: ffff0000d8ce5708 x27: ffff0000d8ce5710 x26: 1ffff00013352e69 x25: 0000000000000186 x24: dfff800000000000 x23: ffff0001adf95480 x22: ffff0000d8ce5700 x21: 000000000000000a x20: ffff8000889c4480 x19: ffff0001adf95480 x18: 0000000000000000 x17: ffff8001255d1000 x16: ffff80008ea20000 x15: 0000000000000000 x14: 00000000ffff8000 x13: 0000000000000001 x12: 0000000000000000 x11: ffff80008a47fd08 x10: 0000000000000003 x9 : 0000000000000000 x8 : 00000000002b3d9e x7 : 0000000000000000 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000801563fc x2 : 0000000000000003 x1 : ffff0000d8ce5700 x0 : ffff8001255d1000 Call trace: __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:26 [inline] (P) arch_local_irq_enable arch/arm64/include/asm/irqflags.h:48 [inline] (P) handle_softirqs+0x1cc/0xd98 kernel/softirq.c:606 (P) __do_softirq+0x14/0x20 kernel/softirq.c:656 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:78 call_on_irq_stack+0x30/0x48 arch/arm64/kernel/entry.S:889 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:83 invoke_softirq kernel/softirq.c:503 [inline] __irq_exit_rcu+0x1ac/0x428 kernel/softirq.c:735 irq_exit_rcu+0x14/0x84 kernel/softirq.c:752 __el1_irq arch/arm64/kernel/entry-common.c:510 [inline] el1_interrupt+0x40/0x60 arch/arm64/kernel/entry-common.c:522 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:527 el1h_64_irq+0x6c/0x70 arch/arm64/kernel/entry.S:590 __daif_local_irq_restore arch/arm64/include/asm/irqflags.h:175 [inline] (P) arch_local_irq_restore arch/arm64/include/asm/irqflags.h:195 [inline] (P) seqcount_lockdep_reader_access include/linux/seqlock.h:75 [inline] (P) read_seqbegin+0xd8/0x144 include/linux/seqlock.h:838 (P) read_seqbegin_or_lock include/linux/seqlock.h:1150 [inline] prepend_path+0x22c/0x77c fs/d_path.c:171 d_absolute_path+0xa0/0x148 fs/d_path.c:234 tomoyo_get_absolute_path security/tomoyo/realpath.c:101 [inline] tomoyo_realpath_from_path+0x248/0x4dc security/tomoyo/realpath.c:271 tomoyo_get_realpath security/tomoyo/file.c:151 [inline] tomoyo_check_open_permission+0x1c4/0x394 security/tomoyo/file.c:776 tomoyo_file_open+0x78/0xcc security/tomoyo/tomoyo.c:334 security_file_open+0xbc/0x258 security/security.c:2739 do_dentry_open+0x2a8/0xfb8 fs/open.c:924 vfs_open+0x44/0x2dc fs/open.c:1079 do_open fs/namei.c:4699 [inline] path_openat+0x22d4/0x2b88 fs/namei.c:4858 do_file_open+0x1c8/0x2e8 fs/namei.c:4887 do_sys_openat2+0x114/0x1e8 fs/open.c:1364 do_sys_open+0xac/0xdc fs/open.c:1370 __do_sys_openat fs/open.c:1386 [inline] __se_sys_openat fs/open.c:1381 [inline] __arm64_sys_openat+0xa0/0xbc fs/open.c:1381 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:736 el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:755 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594