Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
RIP: 0010:ip_rt_bug+0x24/0x50 net/ipv4/route.c:1259
Code: c0 e9 59 ff ff ff 55 48 89 e5 41 56 53 49 89 d6 e8 31 58 74 f6 48 89 c3 e8 a9 48 f5 f5 4c 89 f7 be 01 00 00 00 e8 0c ca 36 ff <0f> 0b c7 83 20 03 00 00 00 00 00 00 c7 83 a8 0f 00 00 00 00 00 00
RSP: 0018:ffff88813fc05700 EFLAGS: 00010282
=====================================================
BUG: KMSAN: uninit-value in __show_regs+0xb12/0xc90 arch/x86/kernel/process_64.c:81
 __show_regs+0xb12/0xc90 arch/x86/kernel/process_64.c:81
 show_regs+0x6e/0xd0 arch/x86/kernel/dumpstack.c:469
 __warn+0x242/0x580 kernel/panic.c:621
 report_bug+0x7ff/0xa10 lib/bug.c:198
 handle_bug+0x41/0x70 arch/x86/kernel/traps.c:316
 exc_invalid_op+0x1b/0x50 arch/x86/kernel/traps.c:336
 asm_exc_invalid_op+0x1b/0x20
 kfree_skb include/linux/skbuff.h:1206 [inline]
 ip_rt_bug+0x24/0x50 net/ipv4/route.c:1258
 dst_output include/net/dst.h:451 [inline]
 ip_local_out net/ipv4/ip_output.c:126 [inline]
 ip_send_skb net/ipv4/ip_output.c:1589 [inline]
 ip_push_pending_frames+0x1d8/0x410 net/ipv4/ip_output.c:1609
 icmp_push_reply+0x5ee/0x650 net/ipv4/icmp.c:386
 __icmp_send+0x1922/0x19b0 net/ipv4/icmp.c:762
 ipv4_send_dest_unreach net/ipv4/route.c:1239 [inline]
 ipv4_link_failure+0x6c1/0xad0 net/ipv4/route.c:1246
 dst_link_failure include/net/dst.h:430 [inline]
 arp_error_report+0xd3/0x140 net/ipv4/arp.c:296
 neigh_invalidate+0x2bc/0x710 net/core/neighbour.c:1048
 neigh_timer_handler+0xab9/0x1290 net/core/neighbour.c:1135
 call_timer_fn+0x43/0x480 kernel/time/timer.c:1474
 expire_timers+0x272/0x610 kernel/time/timer.c:1519
 __run_timers+0x5bd/0x8c0 kernel/time/timer.c:1790
 run_timer_softirq+0x64/0xe0 kernel/time/timer.c:1803
 __do_softirq+0x1cc/0x7fb kernel/softirq.c:571
 invoke_softirq+0x8f/0x100 kernel/softirq.c:445
 __irq_exit_rcu+0x5a/0x110 kernel/softirq.c:650
 irq_exit_rcu+0xe/0x10 kernel/softirq.c:662
 sysvec_apic_timer_interrupt+0x9a/0xc0 arch/x86/kernel/apic/apic.c:1106
 asm_sysvec_apic_timer_interrupt+0x1b/0x20
 smap_restore arch/x86/include/asm/smap.h:56 [inline]
 get_shadow_origin_ptr mm/kmsan/instrumentation.c:36 [inline]
 __msan_metadata_ptr_for_load_8+0x27/0x30 mm/kmsan/instrumentation.c:77
 filter_irq_stacks+0x5c/0x1a0 kernel/stacktrace.c:395
 __stack_depot_save+0x21/0x4b0 lib/stackdepot.c:439
 stack_depot_save+0x13/0x20 lib/stackdepot.c:533
 __msan_poison_alloca+0x100/0x1a0 mm/kmsan/instrumentation.c:262
 queued_spin_value_unlocked include/asm-generic/qspinlock.h:71 [inline]
 lockref_put_return+0x6f/0x3c0 lib/lockref.c:122
 fast_dput fs/dcache.c:781 [inline]
 dput+0xcf/0x640 fs/dcache.c:900
 step_into+0x3bc/0x16b0 fs/namei.c:1846
 walk_component fs/namei.c:1999 [inline]
 link_path_walk+0xb9c/0x1610 fs/namei.c:2320
 path_openat+0x32a/0x5600 fs/namei.c:3687
 do_filp_open+0x249/0x660 fs/namei.c:3718
 do_sys_openat2+0x1f0/0x910 fs/open.c:1313
 do_sys_open fs/open.c:1329 [inline]
 __do_sys_openat fs/open.c:1345 [inline]
 __se_sys_openat fs/open.c:1340 [inline]
 __x64_sys_openat+0x2b0/0x330 fs/open.c:1340
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Local variable state.i created at:
 nf_hook include/linux/netfilter.h:257 [inline]
 __ip_local_out+0x5c8/0x730 net/ipv4/ip_output.c:115
 ip_local_out net/ipv4/ip_output.c:124 [inline]
 ip_send_skb net/ipv4/ip_output.c:1589 [inline]
 ip_push_pending_frames+0x106/0x410 net/ipv4/ip_output.c:1609

CPU: 0 PID: 2846 Comm: udevd Not tainted 6.0.0-rc5-syzkaller-48543-g968c2729e576 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
=====================================================