------------[ cut here ]------------ WARNING: CPU: 0 PID: 3644 at net/ipv4/route.c:1260 kfree_skb include/linux/skbuff.h:1118 [inline] WARNING: CPU: 0 PID: 3644 at net/ipv4/route.c:1260 ip_rt_bug+0x30/0x100 net/ipv4/route.c:1259 Modules linked in: CPU: 0 PID: 3644 Comm: udevd Not tainted 5.15.175-syzkaller #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+0x30/0x100 include/linux/skbuff.h:1118 lr : kfree_skb include/linux/skbuff.h:1118 [inline] lr : ip_rt_bug+0x30/0x100 net/ipv4/route.c:1259 sp : ffff800008007530 x29: ffff800008007530 x28: 1fffe00018f82123 x27: ffff800008007800 x26: dfff800000000000 x25: 1fffe0001cf96fc3 x24: dfff800000000000 x23: ffff0000e841de00 x22: ffff0000e841de30 x21: ffff0000c7c10680 x20: ffff0000e7cb7dc0 x19: ffff0000e7cb7dc0 x18: 0000000000000303 x17: 0000000000000000 x16: ffff800011b4eaf8 x15: ffff8000083bd5a4 x14: ffff8000083bd904 x13: ffff80000ffd1640 x12: 0000000000000003 x11: 0000000000000304 x10: 0000000000000003 x9 : f8f6bed45f89d500 x8 : f8f6bed45f89d500 x7 : 0000000000000000 x6 : ffff8000083bb0c8 x5 : ffff0000d8ff3330 x4 : 0000000000000000 x3 : ffff8000136c51e0 x2 : 0000000000000002 x1 : ffff800012165740 x0 : 0000000000000001 Call trace: kfree_skb include/linux/skbuff.h:1118 [inline] ip_rt_bug+0x30/0x100 net/ipv4/route.c:1259 dst_output include/net/dst.h:443 [inline] ip_local_out net/ipv4/ip_output.c:126 [inline] ip_send_skb+0x134/0x2f8 net/ipv4/ip_output.c:1581 ip_push_pending_frames+0x68/0x84 net/ipv4/ip_output.c:1601 icmp_push_reply+0x3a4/0x4d4 net/ipv4/icmp.c:396 __icmp_send+0xb74/0x1020 net/ipv4/icmp.c:777 ipv4_send_dest_unreach net/ipv4/route.c:1240 [inline] ipv4_link_failure+0x554/0x8d4 net/ipv4/route.c:1247 dst_link_failure include/net/dst.h:422 [inline] arp_error_report+0x11c/0x16c net/ipv4/arp.c:295 neigh_invalidate+0x2c0/0x514 net/core/neighbour.c:1001 neigh_timer_handler+0x630/0xe1c net/core/neighbour.c:1088 call_timer_fn+0x19c/0x8f0 kernel/time/timer.c:1451 expire_timers kernel/time/timer.c:1496 [inline] __run_timers+0x554/0x718 kernel/time/timer.c:1767 run_timer_softirq+0x7c/0x114 kernel/time/timer.c:1780 handle_softirqs+0x384/0xdbc kernel/softirq.c:558 __do_softirq kernel/softirq.c:592 [inline] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] invoke_softirq kernel/softirq.c:439 [inline] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641 irq_exit+0x14/0x88 kernel/softirq.c:665 handle_domain_irq+0xf4/0x178 kernel/irq/irqdesc.c:711 gic_handle_irq+0x78/0x1c8 drivers/irqchip/irq-gic-v3.c:765 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:899 do_interrupt_handler+0x74/0x94 arch/arm64/kernel/entry-common.c:267 el1_interrupt+0x30/0x58 arch/arm64/kernel/entry-common.c:454 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:470 el1h_64_irq+0x78/0x7c arch/arm64/kernel/entry.S:522 arch_local_irq_restore arch/arm64/include/asm/irqflags.h:122 [inline] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] _raw_spin_unlock_irqrestore+0xbc/0x158 kernel/locking/spinlock.c:194 spin_unlock_irqrestore include/linux/spinlock.h:418 [inline] get_partial_node+0x260/0x2e4 mm/slub.c:2152 get_partial mm/slub.c:2232 [inline] ___slab_alloc+0x39c/0xdbc mm/slub.c:3003 __slab_alloc mm/slub.c:3095 [inline] slab_alloc_node mm/slub.c:3186 [inline] slab_alloc mm/slub.c:3228 [inline] kmem_cache_alloc+0x2d8/0x45c mm/slub.c:3233 getname_flags+0xd0/0x480 fs/namei.c:138 user_path_at_empty+0x40/0x1a4 fs/namei.c:2882 user_path_at include/linux/namei.h:57 [inline] vfs_statx+0xf8/0x378 fs/stat.c:221 vfs_fstatat fs/stat.c:243 [inline] __do_sys_newfstatat fs/stat.c:411 [inline] __se_sys_newfstatat fs/stat.c:405 [inline] __arm64_sys_newfstatat+0x110/0x194 fs/stat.c:405 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 irq event stamp: 3078043 hardirqs last enabled at (3078042): [] kasan_quarantine_put+0xdc/0x204 mm/kasan/quarantine.c:231 hardirqs last disabled at (3078043): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:396 softirqs last enabled at (3077474): [] softirq_handle_end kernel/softirq.c:401 [inline] softirqs last enabled at (3077474): [] handle_softirqs+0xb88/0xdbc kernel/softirq.c:586 softirqs last disabled at (3077883): [] __do_softirq kernel/softirq.c:592 [inline] softirqs last disabled at (3077883): [] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline] softirqs last disabled at (3077883): [] invoke_softirq kernel/softirq.c:439 [inline] softirqs last disabled at (3077883): [] __irq_exit_rcu+0x268/0x4d8 kernel/softirq.c:641 ---[ end trace 40b5718169433a5a ]---