------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at net/ipv4/route.c:1241 kfree_skb_reason include/linux/skbuff.h:1262 [inline] WARNING: CPU: 0 PID: 0 at net/ipv4/route.c:1241 kfree_skb include/linux/skbuff.h:1271 [inline] WARNING: CPU: 0 PID: 0 at net/ipv4/route.c:1241 ip_rt_bug+0x34/0x108 net/ipv4/route.c:1240 Modules linked in: CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.12.0-rc3-syzkaller-gd2b1b3bccef6 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ip_rt_bug+0x34/0x108 include/linux/skbuff.h:1262 lr : kfree_skb_reason include/linux/skbuff.h:1262 [inline] lr : kfree_skb include/linux/skbuff.h:1271 [inline] lr : ip_rt_bug+0x34/0x108 net/ipv4/route.c:1240 sp : ffff8000800075a0 x29: ffff8000800075a0 x28: 1ffff00010000ef8 x27: ffff0000d6bb8640 x26: dfff800000000000 x25: 1fffe0001ad770d3 x24: dfff800000000000 x23: ffff0000d208d000 x22: ffff0000d208d030 x21: ffff0000c3091b00 x20: ffff0000d6bb8640 x19: ffff0000d6bb8640 x18: ffff800080006f60 x17: 000000000000dc4b x16: ffff800080359f1c x15: 0000000000000001 x14: 1ffff00012020092 x13: 0000000000000000 x12: 0000000000000003 x11: 0000000000000302 x10: 0000000000000003 x9 : cea5f881d524e800 x8 : cea5f881d524e800 x7 : ffff8000804737ec x6 : ffff80008964e820 x5 : ffff0000c7879d20 x4 : ffff8000800072e0 x3 : 0000000000000000 x2 : 0000000000000002 x1 : ffff80008b604f00 x0 : 0000000000000001 Call trace: kfree_skb_reason include/linux/skbuff.h:1262 [inline] kfree_skb include/linux/skbuff.h:1271 [inline] ip_rt_bug+0x34/0x108 net/ipv4/route.c:1240 dst_output include/net/dst.h:450 [inline] ip_local_out net/ipv4/ip_output.c:130 [inline] ip_send_skb+0x134/0x2f8 net/ipv4/ip_output.c:1496 ip_push_pending_frames+0x6c/0x88 net/ipv4/ip_output.c:1516 icmp_push_reply+0x2e4/0x3c0 net/ipv4/icmp.c:393 __icmp_send+0xbf0/0x1104 net/ipv4/icmp.c:780 ipv4_send_dest_unreach net/ipv4/route.c:1221 [inline] ipv4_link_failure+0x570/0x904 net/ipv4/route.c:1228 dst_link_failure include/net/dst.h:429 [inline] arp_error_report+0x11c/0x170 net/ipv4/arp.c:296 neigh_invalidate+0x2c0/0x518 net/core/neighbour.c:1061 neigh_timer_handler+0x630/0xe08 net/core/neighbour.c:1148 call_timer_fn+0x1b4/0x8e8 kernel/time/timer.c:1794 expire_timers kernel/time/timer.c:1845 [inline] __run_timers kernel/time/timer.c:2419 [inline] __run_timer_base+0x56c/0x7b4 kernel/time/timer.c:2430 run_timer_base kernel/time/timer.c:2439 [inline] run_timer_softirq+0xcc/0x194 kernel/time/timer.c:2449 handle_softirqs+0x2e0/0xbf8 kernel/softirq.c:554 __do_softirq+0x14/0x20 kernel/softirq.c:588 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:81 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:889 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:86 invoke_softirq kernel/softirq.c:435 [inline] __irq_exit_rcu+0x1d8/0x434 kernel/softirq.c:637 irq_exit_rcu+0x14/0x84 kernel/softirq.c:649 __el1_irq arch/arm64/kernel/entry-common.c:561 [inline] el1_interrupt+0x38/0x68 arch/arm64/kernel/entry-common.c:575 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:580 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:594 __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:26 [inline] arch_local_irq_enable+0x8/0xc arch/arm64/include/asm/irqflags.h:48 cpuidle_idle_call kernel/sched/idle.c:185 [inline] do_idle+0x1f0/0x4e4 kernel/sched/idle.c:326 cpu_startup_entry+0x5c/0x74 kernel/sched/idle.c:424 rest_init+0x2dc/0x2f4 init/main.c:747 start_kernel+0x3f4/0x4f4 init/main.c:1105 __primary_switched+0x84/0x8c arch/arm64/kernel/head.S:243 irq event stamp: 240173 hardirqs last enabled at (240172): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234 hardirqs last disabled at (240173): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488 softirqs last enabled at (239798): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (239798): [] handle_softirqs+0xa38/0xbf8 kernel/softirq.c:582 softirqs last disabled at (239843): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 16 at net/ipv4/route.c:1241 kfree_skb_reason include/linux/skbuff.h:1262 [inline] WARNING: CPU: 0 PID: 16 at net/ipv4/route.c:1241 kfree_skb include/linux/skbuff.h:1271 [inline] WARNING: CPU: 0 PID: 16 at net/ipv4/route.c:1241 ip_rt_bug+0x34/0x108 net/ipv4/route.c:1240 Modules linked in: CPU: 0 UID: 0 PID: 16 Comm: ksoftirqd/0 Tainted: G W 6.12.0-rc3-syzkaller-gd2b1b3bccef6 #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ip_rt_bug+0x34/0x108 include/linux/skbuff.h:1262 lr : kfree_skb_reason include/linux/skbuff.h:1262 [inline] lr : kfree_skb include/linux/skbuff.h:1271 [inline] lr : ip_rt_bug+0x34/0x108 net/ipv4/route.c:1240 sp : ffff8000978f7340 x29: ffff8000978f7340 x28: 1ffff00012f1eeac x27: ffff0000cc3d0140 x26: dfff800000000000 x25: 1fffe0001987a033 x24: dfff800000000000 x23: ffff0000d213c700 x22: ffff0000d213c730 x21: ffff0000c3091b00 x20: ffff0000cc3d0140 x19: ffff0000cc3d0140 x18: ffff8000978f7020 x17: 000000000000dd3f x16: ffff800080359f1c x15: 0000000000000001 x14: 1ffff00012020092 x13: 0000000000000000 x12: 0000000000000003 x11: 0000000000000301 x10: 0000000000000003 x9 : e5437fd10df14d00 x8 : e5437fd10df14d00 x7 : ffff800080207a6c x6 : ffff800080471154 x5 : ffff0000c764ce78 x4 : ffff8000978f7098 x3 : 0000000000000000 x2 : 0000000000000002 x1 : ffff80008b604f00 x0 : 0000000000000001 Call trace: kfree_skb_reason include/linux/skbuff.h:1262 [inline] kfree_skb include/linux/skbuff.h:1271 [inline] ip_rt_bug+0x34/0x108 net/ipv4/route.c:1240 dst_output include/net/dst.h:450 [inline] ip_local_out net/ipv4/ip_output.c:130 [inline] ip_send_skb+0x134/0x2f8 net/ipv4/ip_output.c:1496 ip_push_pending_frames+0x6c/0x88 net/ipv4/ip_output.c:1516 icmp_push_reply+0x2e4/0x3c0 net/ipv4/icmp.c:393 __icmp_send+0xbf0/0x1104 net/ipv4/icmp.c:780 ipv4_send_dest_unreach net/ipv4/route.c:1221 [inline] ipv4_link_failure+0x570/0x904 net/ipv4/route.c:1228 dst_link_failure include/net/dst.h:429 [inline] arp_error_report+0x11c/0x170 net/ipv4/arp.c:296 neigh_invalidate+0x2c0/0x518 net/core/neighbour.c:1061 neigh_timer_handler+0x630/0xe08 net/core/neighbour.c:1148 call_timer_fn+0x1b4/0x8e8 kernel/time/timer.c:1794 expire_timers kernel/time/timer.c:1845 [inline] __run_timers kernel/time/timer.c:2419 [inline] __run_timer_base+0x56c/0x7b4 kernel/time/timer.c:2430 run_timer_base kernel/time/timer.c:2439 [inline] run_timer_softirq+0xcc/0x194 kernel/time/timer.c:2449 handle_softirqs+0x2e0/0xbf8 kernel/softirq.c:554 run_ksoftirqd+0x70/0x158 kernel/softirq.c:927 smpboot_thread_fn+0x4b0/0x90c kernel/smpboot.c:164 kthread+0x288/0x310 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 602209 hardirqs last enabled at (602208): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234 hardirqs last disabled at (602209): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488 softirqs last enabled at (601872): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (601872): [] handle_softirqs+0xa38/0xbf8 kernel/softirq.c:582 softirqs last disabled at (601879): [] run_ksoftirqd+0x70/0x158 kernel/softirq.c:927 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at net/ipv4/route.c:1241 kfree_skb_reason include/linux/skbuff.h:1262 [inline] WARNING: CPU: 0 PID: 0 at net/ipv4/route.c:1241 kfree_skb include/linux/skbuff.h:1271 [inline] WARNING: CPU: 0 PID: 0 at net/ipv4/route.c:1241 ip_rt_bug+0x34/0x108 net/ipv4/route.c:1240 Modules linked in: CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G W 6.12.0-rc3-syzkaller-gd2b1b3bccef6 #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ip_rt_bug+0x34/0x108 include/linux/skbuff.h:1262 lr : kfree_skb_reason include/linux/skbuff.h:1262 [inline] lr : kfree_skb include/linux/skbuff.h:1271 [inline] lr : ip_rt_bug+0x34/0x108 net/ipv4/route.c:1240 sp : ffff8000800075a0 x29: ffff8000800075a0 x28: 1ffff00010000ef8 x27: ffff0000db985500 x26: dfff800000000000 x25: 1fffe0001b730aab x24: dfff800000000000 x23: ffff0000e00c9000 x22: ffff0000e00c9030 x21: ffff0000c3091b00 x20: ffff0000db985500 x19: ffff0000db985500 x18: ffff800080007280 x17: 000000000000dda6 x16: ffff800080359f1c x15: 0000000000000001 x14: 00000000ffff8000 x13: 00000000dfe39304 x12: 0000000000000003 x11: 0000000000000302 x10: 0000000000000003 x9 : cea5f881d524e800 x8 : cea5f881d524e800 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000002 x1 : ffff80008b604f00 x0 : 0000000000000001 Call trace: kfree_skb_reason include/linux/skbuff.h:1262 [inline] kfree_skb include/linux/skbuff.h:1271 [inline] ip_rt_bug+0x34/0x108 net/ipv4/route.c:1240 dst_output include/net/dst.h:450 [inline] ip_local_out net/ipv4/ip_output.c:130 [inline] ip_send_skb+0x134/0x2f8 net/ipv4/ip_output.c:1496 ip_push_pending_frames+0x6c/0x88 net/ipv4/ip_output.c:1516 icmp_push_reply+0x2e4/0x3c0 net/ipv4/icmp.c:393 __icmp_send+0xbf0/0x1104 net/ipv4/icmp.c:780 ipv4_send_dest_unreach net/ipv4/route.c:1221 [inline] ipv4_link_failure+0x570/0x904 net/ipv4/route.c:1228 dst_link_failure include/net/dst.h:429 [inline] arp_error_report+0x11c/0x170 net/ipv4/arp.c:296 neigh_invalidate+0x2c0/0x518 net/core/neighbour.c:1061 neigh_timer_handler+0x630/0xe08 net/core/neighbour.c:1148 call_timer_fn+0x1b4/0x8e8 kernel/time/timer.c:1794 expire_timers kernel/time/timer.c:1845 [inline] __run_timers kernel/time/timer.c:2419 [inline] __run_timer_base+0x56c/0x7b4 kernel/time/timer.c:2430 run_timer_base kernel/time/timer.c:2439 [inline] run_timer_softirq+0xcc/0x194 kernel/time/timer.c:2449 handle_softirqs+0x2e0/0xbf8 kernel/softirq.c:554 __do_softirq+0x14/0x20 kernel/softirq.c:588 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:81 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:889 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:86 invoke_softirq kernel/softirq.c:435 [inline] __irq_exit_rcu+0x1d8/0x434 kernel/softirq.c:637 irq_exit_rcu+0x14/0x84 kernel/softirq.c:649 __el1_irq arch/arm64/kernel/entry-common.c:561 [inline] el1_interrupt+0x38/0x68 arch/arm64/kernel/entry-common.c:575 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:580 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:594 __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:26 [inline] arch_local_irq_enable+0x8/0xc arch/arm64/include/asm/irqflags.h:48 cpuidle_idle_call kernel/sched/idle.c:185 [inline] do_idle+0x1f0/0x4e4 kernel/sched/idle.c:326 cpu_startup_entry+0x5c/0x74 kernel/sched/idle.c:424 rest_init+0x2dc/0x2f4 init/main.c:747 start_kernel+0x3f4/0x4f4 init/main.c:1105 __primary_switched+0x84/0x8c arch/arm64/kernel/head.S:243 irq event stamp: 335731 hardirqs last enabled at (335730): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234 hardirqs last disabled at (335731): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488 softirqs last enabled at (335406): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (335406): [] handle_softirqs+0xa38/0xbf8 kernel/softirq.c:582 softirqs last disabled at (335437): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at net/ipv4/route.c:1241 kfree_skb_reason include/linux/skbuff.h:1262 [inline] WARNING: CPU: 0 PID: 0 at net/ipv4/route.c:1241 kfree_skb include/linux/skbuff.h:1271 [inline] WARNING: CPU: 0 PID: 0 at net/ipv4/route.c:1241 ip_rt_bug+0x34/0x108 net/ipv4/route.c:1240 Modules linked in: CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G W 6.12.0-rc3-syzkaller-gd2b1b3bccef6 #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : ip_rt_bug+0x34/0x108 include/linux/skbuff.h:1262 lr : kfree_skb_reason include/linux/skbuff.h:1262 [inline] lr : kfree_skb include/linux/skbuff.h:1271 [inline] lr : ip_rt_bug+0x34/0x108 net/ipv4/route.c:1240 sp : ffff8000800075a0 x29: ffff8000800075a0 x28: 1ffff00010000ef8 x27: ffff0000db985640 x26: dfff800000000000 x25: 1fffe0001b730ad3 x24: dfff800000000000 x23: ffff0000e00c9000 x22: ffff0000e00c9030 x21: ffff0000c3091b00 x20: ffff0000db985640 x19: ffff0000db985640 x18: ffff800080007280 x17: 000000000000dda6 x16: ffff800080359f1c x15: 0000000000000001 x14: 00000000ffff8000 x13: 00000000dfe39304 x12: 0000000000000003 x11: 0000000000000302 x10: 0000000000000003 x9 : cea5f881d524e800 x8 : cea5f881d524e800 x7 : 0000000000000000 x6 : 000000000000003f x5 : 0000000000000040 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000002 x1 : ffff80008b604f00 x0 : 0000000000000001 Call trace: kfree_skb_reason include/linux/skbuff.h:1262 [inline] kfree_skb include/linux/skbuff.h:1271 [inline] ip_rt_bug+0x34/0x108 net/ipv4/route.c:1240 dst_output include/net/dst.h:450 [inline] ip_local_out net/ipv4/ip_output.c:130 [inline] ip_send_skb+0x134/0x2f8 net/ipv4/ip_output.c:1496 ip_push_pending_frames+0x6c/0x88 net/ipv4/ip_output.c:1516 icmp_push_reply+0x2e4/0x3c0 net/ipv4/icmp.c:393 __icmp_send+0xbf0/0x1104 net/ipv4/icmp.c:780 ipv4_send_dest_unreach net/ipv4/route.c:1221 [inline] ipv4_link_failure+0x570/0x904 net/ipv4/route.c:1228 dst_link_failure include/net/dst.h:429 [inline] arp_error_report+0x11c/0x170 net/ipv4/arp.c:296 neigh_invalidate+0x2c0/0x518 net/core/neighbour.c:1061 neigh_timer_handler+0x630/0xe08 net/core/neighbour.c:1148 call_timer_fn+0x1b4/0x8e8 kernel/time/timer.c:1794 expire_timers kernel/time/timer.c:1845 [inline] __run_timers kernel/time/timer.c:2419 [inline] __run_timer_base+0x56c/0x7b4 kernel/time/timer.c:2430 run_timer_base kernel/time/timer.c:2439 [inline] run_timer_softirq+0xcc/0x194 kernel/time/timer.c:2449 handle_softirqs+0x2e0/0xbf8 kernel/softirq.c:554 __do_softirq+0x14/0x20 kernel/softirq.c:588 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:81 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:889 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:86 invoke_softirq kernel/softirq.c:435 [inline] __irq_exit_rcu+0x1d8/0x434 kernel/softirq.c:637 irq_exit_rcu+0x14/0x84 kernel/softirq.c:649 __el1_irq arch/arm64/kernel/entry-common.c:561 [inline] el1_interrupt+0x38/0x68 arch/arm64/kernel/entry-common.c:575 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:580 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:594 __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:26 [inline] arch_local_irq_enable+0x8/0xc arch/arm64/include/asm/irqflags.h:48 cpuidle_idle_call kernel/sched/idle.c:185 [inline] do_idle+0x1f0/0x4e4 kernel/sched/idle.c:326 cpu_startup_entry+0x5c/0x74 kernel/sched/idle.c:424 rest_init+0x2dc/0x2f4 init/main.c:747 start_kernel+0x3f4/0x4f4 init/main.c:1105 __primary_switched+0x84/0x8c arch/arm64/kernel/head.S:243 irq event stamp: 336005 hardirqs last enabled at (336004): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234 hardirqs last disabled at (336005): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488 softirqs last enabled at (335406): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (335406): [] handle_softirqs+0xa38/0xbf8 kernel/softirq.c:582 softirqs last disabled at (335437): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]---