------------[ cut here ]------------ WARNING: CPU: 0 PID: 3917 at net/ipv4/route.c:1247 ip_rt_bug+0x11/0x20 net/ipv4/route.c:1246 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 3917 Comm: systemd-udevd Not tainted 5.9.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x18f/0x20d lib/dump_stack.c:118 panic+0x2e3/0x75c kernel/panic.c:231 __warn.cold+0x20/0x4a kernel/panic.c:600 report_bug+0x1bd/0x210 lib/bug.c:198 handle_bug+0x38/0x90 arch/x86/kernel/traps.c:234 exc_invalid_op+0x14/0x40 arch/x86/kernel/traps.c:254 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:536 RIP: 0010:ip_rt_bug+0x11/0x20 net/ipv4/route.c:1247 Code: e9 02 ff ff ff e8 0f 6f 05 fb e9 cf fe ff ff e8 95 3a 45 01 0f 1f 44 00 00 55 48 89 d5 e8 67 f7 c4 fa 48 89 ef e8 ef 00 88 ff <0f> 0b 31 c0 5d c3 66 0f 1f 84 00 00 00 00 00 41 54 49 89 fc e8 46 RSP: 0018:ffffc90000007890 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff888094196140 RCX: 1ffffffff1309320 RDX: ffff88809f780580 RSI: ffffffff86af7101 RDI: 0000000000000286 RBP: ffff8880563c6b80 R08: 0000000000000001 R09: ffffffff8c5fca67 R10: fffffbfff18bf94c R11: 0000000000000001 R12: ffff88809214b500 R13: ffff8880563c6b80 R14: 0000000000000000 R15: ffff8880563c6bd8 dst_output include/net/dst.h:443 [inline] ip_local_out net/ipv4/ip_output.c:125 [inline] ip_send_skb net/ipv4/ip_output.c:1566 [inline] ip_push_pending_frames+0x125/0x2b0 net/ipv4/ip_output.c:1586 icmp_push_reply+0x342/0x490 net/ipv4/icmp.c:390 __icmp_send+0xb67/0x13e0 net/ipv4/icmp.c:740 ipv4_send_dest_unreach net/ipv4/route.c:1227 [inline] ipv4_link_failure+0x5f0/0x9f0 net/ipv4/route.c:1234 dst_link_failure include/net/dst.h:426 [inline] arp_error_report+0xc7/0x1c0 net/ipv4/arp.c:293 neigh_invalidate+0x20d/0x560 net/core/neighbour.c:993 neigh_timer_handler+0xda0/0x1150 net/core/neighbour.c:1080 call_timer_fn+0x1ac/0x760 kernel/time/timer.c:1413 expire_timers kernel/time/timer.c:1458 [inline] __run_timers.part.0+0x67c/0xaa0 kernel/time/timer.c:1755 __run_timers kernel/time/timer.c:1736 [inline] run_timer_softirq+0xae/0x1a0 kernel/time/timer.c:1768 __do_softirq+0x2de/0xa24 kernel/softirq.c:298 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:706 __run_on_irqstack arch/x86/include/asm/irq_stack.h:22 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:48 [inline] do_softirq_own_stack+0x9d/0xd0 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:393 [inline] __irq_exit_rcu kernel/softirq.c:423 [inline] irq_exit_rcu+0x1f3/0x230 kernel/softirq.c:435 sysvec_apic_timer_interrupt+0x51/0xf0 arch/x86/kernel/apic/apic.c:1091 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:581 RIP: 0010:write_comp_data+0x2f/0x80 kernel/kcov.c:218 Code: 05 d6 9a 8d 7e 65 48 8b 34 25 c0 fe 01 00 a9 00 01 ff 00 74 0f f6 c4 01 74 59 8b 86 44 14 00 00 85 c0 74 4f 8b 86 20 14 00 00 <83> f8 03 75 44 48 8b 86 28 14 00 00 8b b6 24 14 00 00 4c 8b 00 48 RSP: 0018:ffffc900016d7858 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff81cdce40 RDX: 0000000000000001 RSI: ffff88809f780580 RDI: 0000000000000005 RBP: ffff88809a395320 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000001 R12: ffff88809a395300 R13: ffff88809a395300 R14: dffffc0000000000 R15: 0000000000000001 rcu_read_unlock include/linux/rcupdate.h:684 [inline] prepend_path+0x6d0/0xb20 fs/d_path.c:134 d_absolute_path+0xfa/0x180 fs/d_path.c:201 tomoyo_get_absolute_path security/tomoyo/realpath.c:101 [inline] tomoyo_realpath_from_path+0x282/0x620 security/tomoyo/realpath.c:276 tomoyo_get_realpath security/tomoyo/file.c:151 [inline] tomoyo_path_perm+0x212/0x3f0 security/tomoyo/file.c:822 security_inode_getattr+0xcf/0x140 security/security.c:1278 vfs_getattr fs/stat.c:121 [inline] vfs_statx+0x170/0x390 fs/stat.c:206 vfs_lstat include/linux/fs.h:3175 [inline] __do_sys_newlstat+0x91/0x110 fs/stat.c:374 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f88a4db8335 Code: 69 db 2b 00 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 83 ff 01 48 89 f0 77 30 48 89 c7 48 89 d6 b8 06 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 03 f3 c3 90 48 8b 15 31 db 2b 00 f7 d8 64 89 RSP: 002b:00007ffecac7d938 EFLAGS: 00000246 ORIG_RAX: 0000000000000006 RAX: ffffffffffffffda RBX: 0000560595c04120 RCX: 00007f88a4db8335 RDX: 00007ffecac7d970 RSI: 00007ffecac7d970 RDI: 0000560595c03120 RBP: 00007ffecac7da30 R08: 00007f88a50771f8 R09: 0000000000001010 R10: 00007f88a5076b58 R11: 0000000000000246 R12: 0000560595c03120 R13: 0000560595c03143 R14: 0000560595c06071 R15: 0000560595c06073 Kernel Offset: disabled Rebooting in 86400 seconds..