kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 22454 Comm: syz-executor.5 Not tainted 5.2.0-rc3+ #51 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:dst_dev_put+0x24/0x280 net/core/dst.c:156 Code: 90 90 90 90 90 90 55 48 89 e5 41 56 41 55 41 54 53 48 89 fb e8 3d b8 eb fb 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 e1 01 00 00 48 8d 7b 3a 4c 8b 23 48 b8 00 00 00 RSP: 0018:ffff8880ae809cd8 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 000000000000001a RCX: 1ffffffff13017d6 RDX: 0000000000000003 RSI: ffffffff8584ee73 RDI: 000000000000001a RBP: ffff8880ae809cf8 R08: ffff888060c520c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000007 R14: 000000000000001a R15: 0000607f514837f0 FS: 0000555556f4e940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff52599020 CR3: 0000000085ee2000 CR4: 00000000001406f0 Call Trace: rt_fibinfo_free_cpus.part.0+0xdb/0x130 net/ipv4/fib_semantics.c:198 rt_fibinfo_free_cpus net/ipv4/fib_semantics.c:190 [inline] fib_nh_common_release+0x107/0x280 net/ipv4/fib_semantics.c:211 fib6_nh_release+0x16/0x20 net/ipv6/route.c:3097 fib6_info_destroy_rcu+0x1f9/0x300 net/ipv6/ip6_fib.c:195 __rcu_reclaim kernel/rcu/rcu.h:222 [inline] rcu_do_batch kernel/rcu/tree.c:2092 [inline] invoke_rcu_callbacks kernel/rcu/tree.c:2310 [inline] rcu_core+0xba5/0x1500 kernel/rcu/tree.c:2291 __do_softirq+0x25c/0x94c kernel/softirq.c:293 invoke_softirq kernel/softirq.c:374 [inline] irq_exit+0x180/0x1d0 kernel/softirq.c:414 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x13b/0x550 arch/x86/kernel/apic/apic.c:1068 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:806 RIP: 0010:errseq_sample+0x24/0x70 include/linux/compiler.h:194 Code: 90 90 90 90 90 90 55 48 89 e5 41 54 53 48 89 fb e8 d1 6c 3c fe 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 0f b6 14 02 <48> 89 d8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 2d 44 8b 23 31 ff RSP: 0018:ffff888095c5f9b8 EFLAGS: 00000a02 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: ffff88808542c868 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff833439df RDI: ffff88808542c868 RBP: ffff888095c5f9c8 R08: 1ffff11014d370c0 R09: ffffed1014d370c1 R10: ffffed1014d370c0 R11: ffff8880a69b8603 R12: ffff8880a3ea3b98 R13: ffff88808542c758 R14: ffff888095c5fa88 R15: ffff888095c5fe60 filemap_sample_wb_err include/linux/fs.h:2790 [inline] do_dentry_open+0x112/0x1250 fs/open.c:729 vfs_open+0xa0/0xd0 fs/open.c:887 do_last fs/namei.c:3416 [inline] path_openat+0x10e9/0x46d0 fs/namei.c:3533 do_filp_open+0x1a1/0x280 fs/namei.c:3563 do_sys_open+0x3fe/0x5d0 fs/open.c:1070 __do_sys_open fs/open.c:1088 [inline] __se_sys_open fs/open.c:1083 [inline] __x64_sys_open+0x7e/0xc0 fs/open.c:1083 do_syscall_64+0xfd/0x680 arch/x86/entry/common.c:301 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x413190 Code: 05 48 3d 01 f0 ff ff 0f 83 2d 19 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 83 3d fd 30 66 00 00 75 14 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 04 19 00 00 c3 48 83 ec 08 e8 0a fa ff ff RSP: 002b:00007fff52598f98 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 0000000000228ae9 RCX: 0000000000413190 RDX: 00007fff5259902a RSI: 0000000000000002 RDI: 00007fff52599020 RBP: 00000000000028e9 R08: 0000000000000000 R09: 000000000000000a R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff52598fd0 R14: 00000000002287ab R15: 00007fff52598fe0 Modules linked in: ---[ end trace e922d170e54a8450 ]--- RIP: 0010:dst_dev_put+0x24/0x280 net/core/dst.c:156 Code: 90 90 90 90 90 90 55 48 89 e5 41 56 41 55 41 54 53 48 89 fb e8 3d b8 eb fb 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 e1 01 00 00 48 8d 7b 3a 4c 8b 23 48 b8 00 00 00 RSP: 0018:ffff8880ae809cd8 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: 000000000000001a RCX: 1ffffffff13017d6 RDX: 0000000000000003 RSI: ffffffff8584ee73 RDI: 000000000000001a RBP: ffff8880ae809cf8 R08: ffff888060c520c0 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000007 R14: 000000000000001a R15: 0000607f514837f0 FS: 0000555556f4e940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff52599020 CR3: 0000000085ee2000 CR4: 00000000001406f0