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WARNING: CPU: 0 PID: 12189 at net/ipv4/route.c:1241 ip_rt_bug+0x2c/0x110 net/ipv4/route.c:1241
Modules linked in:
CPU: 0 UID: 0 PID: 12189 Comm: syz.4.1777 Not tainted 6.11.0-rc1-syzkaller-00236-g8d5be2c4f447 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:ip_rt_bug+0x2c/0x110 net/ipv4/route.c:1241
Code: 1e fa 41 57 41 56 41 55 41 54 53 48 89 d3 e8 5b ef 82 f7 66 90 e8 54 ef 82 f7 31 ff 48 89 de ba 02 00 00 00 e8 85 a5 6b ff 90 <0f> 0b 90 31 c0 5b 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc f3 0f 1e
RSP: 0000:ffffc90000007680 EFLAGS: 00010286
RAX: a1c64de5d7435900 RBX: ffff888020b8fdc0 RCX: ffffffff81701e2a
RDX: dffffc0000000000 RSI: ffffffff8c0ad560 RDI: ffffffff8c605c00
RBP: 0000000000000001 R08: ffffffff9372989f R09: 1ffffffff26e5313
R10: dffffc0000000000 R11: fffffbfff26e5314 R12: dffffc0000000000
R13: dffffc0000000000 R14: ffff88807d6d8000 R15: ffff888017b81a00
FS: 00005555793bf500(0000) GS:ffff8880b9200000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffa6fef69b0 CR3: 0000000056d3e000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ip_local_out net/ipv4/ip_output.c:129 [inline]
ip_send_skb net/ipv4/ip_output.c:1495 [inline]
ip_push_pending_frames+0xbf/0x150 net/ipv4/ip_output.c:1515
__icmp_send+0xf89/0x14e0 net/ipv4/icmp.c:777
ipv4_send_dest_unreach net/ipv4/route.c:1221 [inline]
ipv4_link_failure+0x62f/0xa10 net/ipv4/route.c:1228
dst_link_failure include/net/dst.h:429 [inline]
arp_error_report+0x114/0x160 net/ipv4/arp.c:296
neigh_invalidate+0x244/0x470 net/core/neighbour.c:1061
neigh_timer_handler+0x8a5/0xfd0 net/core/neighbour.c:1148
call_timer_fn+0x18e/0x650 kernel/time/timer.c:1792
expire_timers kernel/time/timer.c:1843 [inline]
__run_timers kernel/time/timer.c:2417 [inline]
__run_timer_base+0x66a/0x8e0 kernel/time/timer.c:2428
run_timer_base kernel/time/timer.c:2437 [inline]
run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2447
handle_softirqs+0x2c4/0x970 kernel/softirq.c:554
__do_softirq kernel/softirq.c:588 [inline]
invoke_softirq kernel/softirq.c:428 [inline]
__irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637
irq_exit_rcu+0x9/0x30 kernel/softirq.c:649
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:should_resched arch/x86/include/asm/preempt.h:103 [inline]
RIP: 0010:__up_read+0x2c9/0x6b0 kernel/locking/rwsem.c:1354
Code: 00 0f 84 81 00 00 00 e8 e5 d7 3d 03 49 81 e4 03 ff ff ff 49 83 fc 02 74 52 bf 01 00 00 00 e8 0e f6 f3 ff 65 8b 05 1f ed 94 7e <85> c0 74 53 48 c7 44 24 20 0e 36 e0 45 48 8b 44 24 18 48 c7 04 03
RSP: 0000:ffffc90004447e20 EFLAGS: 00000297
RAX: 0000000080000000 RBX: dffffc0000000000 RCX: 0000000000000001
RDX: 0000000000000001 RSI: 0000000000000008 RDI: 0000000000000001
RBP: ffffc90004447ec8 R08: ffff88806b09d007 R09: 1ffff1100d613a00
R10: dffffc0000000000 R11: ffffed100d613a01 R12: 0000000000000000
R13: ffff88806b09d008 R14: 1ffff1100d613a01 R15: ffffc90004447e60
vma_end_read+0xde/0x170 include/linux/mm.h:714
do_user_addr_fault arch/x86/mm/fault.c:1340 [inline]
handle_page_fault arch/x86/mm/fault.c:1481 [inline]
exc_page_fault+0x4c8/0x8c0 arch/x86/mm/fault.c:1539
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7ffa6fc387ff
Code: 1f 84 00 00 00 00 00 0f 1f 40 00 41 89 fb 44 8d 56 04 4c 8d 0d 12 98 2b 00 89 f0 4c 8d 05 09 78 2b 00 89 c2 81 e2 ff 1f 00 00 <49> 8b 0c d1 48 39 f1 74 28 48 85 c9 74 29 45 38 1c 10 75 23 83 c0
RSP: 002b:00007fff4023efa8 EFLAGS: 00010206
RAX: 000000008462c936 RBX: 00007ffa70a35720 RCX: 0000000000000002
RDX: 0000000000000936 RSI: ffffffff8462c936 RDI: 0000000000000000
RBP: 0000000000000000 R08: 00007ffa6fef0000 R09: 00007ffa6fef2000
R10: 000000008462c93a R11: 0000000000000000 R12: ffffffff8462caab
R13: 00007ffa6ff06018 R14: 0000000000000008 R15: 0000000000000019
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 0f 84 81 00 00 00 je 0x87
6: e8 e5 d7 3d 03 call 0x33dd7f0
b: 49 81 e4 03 ff ff ff and $0xffffffffffffff03,%r12
12: 49 83 fc 02 cmp $0x2,%r12
16: 74 52 je 0x6a
18: bf 01 00 00 00 mov $0x1,%edi
1d: e8 0e f6 f3 ff call 0xfff3f630
22: 65 8b 05 1f ed 94 7e mov %gs:0x7e94ed1f(%rip),%eax # 0x7e94ed48
* 29: 85 c0 test %eax,%eax <-- trapping instruction
2b: 74 53 je 0x80
2d: 48 c7 44 24 20 0e 36 movq $0x45e0360e,0x20(%rsp)
34: e0 45
36: 48 8b 44 24 18 mov 0x18(%rsp),%rax
3b: 48 rex.W
3c: c7 .byte 0xc7
3d: 04 03 add $0x3,%al