KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work (4)

Status: closed as invalid on 2026/08/26 17:05
Subsystems: net
Labels: prio:high
[Documentation on labels]
First crash: 310d, last: 32d
Cause bisection: failed (error log, bisect log)
  
▶ ▼ ✨ AI Jobs (1)
ID Workflow Result Correct Bug Created Started Finished Revision
1f641cd6 assessment-security DenialOfService: ✅ Exploitable: ✅ FilesystemTrigger: ❌ NetworkTrigger: ❌ PeripheralTrigger: ❌ RemoteTrigger: ❌ Unprivileged: ✅ UserNamespace: ✅ VMGuestTrigger: ❌ VMHostTrigger: ❌ ❓ KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work (4) 2026/05/23 23:31 2026/05/23 23:31 2026/05/24 00:36 c69befb3
▶ ▼ Similar bugs (3)
Kernel Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work net 19 syz error 86 388d 434d 0/29 closed as invalid on 2025/08/04 16:17
upstream KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work (3) net 19 289 310d 355d 0/29 closed as invalid on 2025/10/20 21:06
upstream KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work (2) net 19 143 356d 387d 0/29 closed as invalid on 2025/09/05 01:19
▶ ▼ Last patch testing requests (5)
Created Duration User Patch Repo Result
2026/07/12 13:46 34m retest repro net-next log
2026/07/09 21:57 33m retest repro upstream no crash log
2026/07/09 21:57 30m retest repro upstream no crash log
2026/01/19 07:49 17m edumazet@google.com upstream report log
2026/01/09 17:04 28m kuniyu@google.com upstream error
▶ ▼ Fix bisection attempts (1)
Created Duration User Patch Repo Result
2026/07/25 22:28 4h28m bisect fix net-next OK (0) job log log

Sample crash report:
netdevsim netdevsim1 eth0: unset [1, 1] type 2 family 0 port 20000 - 0
netdevsim netdevsim1 eth1: unset [1, 1] type 2 family 0 port 20000 - 0
netdevsim netdevsim1 eth2: unset [1, 1] type 2 family 0 port 20000 - 0
==================================================================
BUG: KASAN: slab-use-after-free in __mutex_lock_common kernel/locking/mutex.c:593 [inline]
BUG: KASAN: slab-use-after-free in __mutex_lock+0x147/0x1350 kernel/locking/mutex.c:776
Read of size 8 at addr ffff888078afd8b0 by task kworker/u8:4/68

CPU: 1 UID: 0 PID: 68 Comm: kworker/u8:4 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Workqueue: udp_tunnel_nic udp_tunnel_nic_device_sync_work
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:378 [inline]
 print_report+0xca/0x240 mm/kasan/report.c:482
 kasan_report+0x118/0x150 mm/kasan/report.c:595
 __mutex_lock_common kernel/locking/mutex.c:593 [inline]
 __mutex_lock+0x147/0x1350 kernel/locking/mutex.c:776
 udp_tunnel_nic_device_sync_work+0x39/0xa10 net/ipv4/udp_tunnel_nic.c:737
 process_one_work kernel/workqueue.c:3257 [inline]
 process_scheduled_works+0xad1/0x1770 kernel/workqueue.c:3340
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3421
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x599/0xb30 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>

Allocated by task 6123:
 kasan_save_stack mm/kasan/common.c:56 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:77
 poison_kmalloc_redzone mm/kasan/common.c:400 [inline]
 __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:417
 kasan_kmalloc include/linux/kasan.h:262 [inline]
 __do_kmalloc_node mm/slub.c:5652 [inline]
 __kmalloc_noprof+0x411/0x800 mm/slub.c:5664
 kmalloc_noprof include/linux/slab.h:961 [inline]
 kzalloc_noprof include/linux/slab.h:1094 [inline]
 udp_tunnel_nic_alloc net/ipv4/udp_tunnel_nic.c:756 [inline]
 udp_tunnel_nic_register net/ipv4/udp_tunnel_nic.c:833 [inline]
 udp_tunnel_nic_netdevice_event+0x4c3/0x17d0 net/ipv4/udp_tunnel_nic.c:931
 notifier_call_chain+0x19d/0x3a0 kernel/notifier.c:85
 call_netdevice_notifiers_extack net/core/dev.c:2268 [inline]
 call_netdevice_notifiers net/core/dev.c:2282 [inline]
 register_netdevice+0x15bd/0x1a70 net/core/dev.c:11429
 nsim_init_netdevsim drivers/net/netdevsim/netdev.c:1061 [inline]
 nsim_create+0xb3f/0x1050 drivers/net/netdevsim/netdev.c:1143
 __nsim_dev_port_add+0x6a6/0xaf0 drivers/net/netdevsim/dev.c:1493
 nsim_dev_port_add_all+0x37/0xf0 drivers/net/netdevsim/dev.c:1549
 nsim_dev_reload_create drivers/net/netdevsim/dev.c:1601 [inline]
 nsim_dev_reload_up+0x451/0x780 drivers/net/netdevsim/dev.c:1058
 devlink_reload+0x4ec/0x8d0 net/devlink/dev.c:474
 devlink_nl_reload_doit+0xa8d/0xc60 net/devlink/dev.c:584
 genl_family_rcv_msg_doit+0x215/0x300 net/netlink/genetlink.c:1115
 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
 genl_rcv_msg+0x60e/0x790 net/netlink/genetlink.c:1210
 netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2550
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
 netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1894
 sock_sendmsg_nosec net/socket.c:718 [inline]
 __sock_sendmsg+0x21c/0x270 net/socket.c:733
 ____sys_sendmsg+0x505/0x820 net/socket.c:2608
 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2662
 __sys_sendmsg net/socket.c:2694 [inline]
 __do_sys_sendmsg net/socket.c:2699 [inline]
 __se_sys_sendmsg net/socket.c:2697 [inline]
 __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2697
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Freed by task 6140:
 kasan_save_stack mm/kasan/common.c:56 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:77
 __kasan_save_free_info+0x46/0x50 mm/kasan/generic.c:587
 kasan_save_free_info mm/kasan/kasan.h:406 [inline]
 poison_slab_object mm/kasan/common.c:252 [inline]
 __kasan_slab_free+0x5c/0x80 mm/kasan/common.c:284
 kasan_slab_free include/linux/kasan.h:234 [inline]
 slab_free_hook mm/slub.c:2540 [inline]
 slab_free mm/slub.c:6663 [inline]
 kfree+0x1c0/0x660 mm/slub.c:6871
 udp_tunnel_nic_free net/ipv4/udp_tunnel_nic.c:785 [inline]
 udp_tunnel_nic_unregister net/ipv4/udp_tunnel_nic.c:910 [inline]
 udp_tunnel_nic_netdevice_event+0x11ed/0x17d0 net/ipv4/udp_tunnel_nic.c:942
 notifier_call_chain+0x19d/0x3a0 kernel/notifier.c:85
 call_netdevice_notifiers_extack net/core/dev.c:2268 [inline]
 call_netdevice_notifiers net/core/dev.c:2282 [inline]
 unregister_netdevice_many_notify+0x1830/0x2310 net/core/dev.c:12381
 unregister_netdevice_many net/core/dev.c:12444 [inline]
 unregister_netdevice_queue+0x317/0x350 net/core/dev.c:12258
 unregister_netdevice include/linux/netdevice.h:3405 [inline]
 nsim_destroy+0x1e5/0x680 drivers/net/netdevsim/netdev.c:1180
 __nsim_dev_port_del+0x14d/0x1b0 drivers/net/netdevsim/dev.c:1528
 nsim_dev_port_del_all drivers/net/netdevsim/dev.c:1540 [inline]
 nsim_dev_reload_destroy+0x288/0x490 drivers/net/netdevsim/dev.c:1763
 nsim_dev_reload_down+0x8a/0xc0 drivers/net/netdevsim/dev.c:1038
 devlink_reload+0x1b6/0x8d0 net/devlink/dev.c:461
 devlink_nl_reload_doit+0xa8d/0xc60 net/devlink/dev.c:584
 genl_family_rcv_msg_doit+0x215/0x300 net/netlink/genetlink.c:1115
 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
 genl_rcv_msg+0x60e/0x790 net/netlink/genetlink.c:1210
 netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2550
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
 netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1894
 sock_sendmsg_nosec net/socket.c:718 [inline]
 __sock_sendmsg+0x21c/0x270 net/socket.c:733
 ____sys_sendmsg+0x505/0x820 net/socket.c:2608
 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2662
 __sys_sendmsg net/socket.c:2694 [inline]
 __do_sys_sendmsg net/socket.c:2699 [inline]
 __se_sys_sendmsg net/socket.c:2697 [inline]
 __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2697
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Last potentially related work creation:
 kasan_save_stack+0x3e/0x60 mm/kasan/common.c:56
 kasan_record_aux_stack+0xbd/0xd0 mm/kasan/generic.c:559
 insert_work+0x3d/0x330 kernel/workqueue.c:2180
 __queue_work+0xbae/0xf90 kernel/workqueue.c:2339
 queue_work_on+0x181/0x270 kernel/workqueue.c:2386
 queue_work include/linux/workqueue.h:669 [inline]
 udp_tunnel_nic_device_sync net/ipv4/udp_tunnel_nic.c:307 [inline]
 __udp_tunnel_nic_del_port+0xc6/0x110 net/ipv4/udp_tunnel_nic.c:540
 udp_tunnel_nic_del_port include/net/udp_tunnel.h:380 [inline]
 udp_tunnel_notify_del_rx_port+0x2b5/0x3b0 net/ipv4/udp_tunnel_core.c:168
 __geneve_sock_release drivers/net/geneve.c:637 [inline]
 geneve_sock_release+0x380/0x4b0 drivers/net/geneve.c:654
 geneve_stop+0x176/0x1b0 drivers/net/geneve.c:747
 __dev_close_many+0x344/0x6b0 net/core/dev.c:1756
 netif_close_many+0x225/0x410 net/core/dev.c:1781
 netif_close+0x158/0x210 net/core/dev.c:1798
 dev_close+0x10a/0x220 net/core/dev_api.c:220
 __bond_release_one+0xba4/0x10d0 drivers/net/bonding/bond_main.c:2472
 bond_uninit+0x123/0x2d0 drivers/net/bonding/bond_main.c:5954
 unregister_netdevice_many_notify+0x1cae/0x2310 net/core/dev.c:12402
 rtnl_delete_link net/core/rtnetlink.c:3528 [inline]
 rtnl_dellink+0x513/0x720 net/core/rtnetlink.c:3570
 rtnetlink_rcv_msg+0x7cf/0xb70 net/core/rtnetlink.c:6958
 netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2550
 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
 netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1894
 sock_sendmsg_nosec net/socket.c:718 [inline]
 __sock_sendmsg+0x21c/0x270 net/socket.c:733
 ____sys_sendmsg+0x505/0x820 net/socket.c:2608
 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2662
 __sys_sendmsg net/socket.c:2694 [inline]
 __do_sys_sendmsg net/socket.c:2699 [inline]
 __se_sys_sendmsg net/socket.c:2697 [inline]
 __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2697
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Second to last potentially related work creation:
 kasan_save_stack+0x3e/0x60 mm/kasan/common.c:56
 kasan_record_aux_stack+0xbd/0xd0 mm/kasan/generic.c:559
 insert_work+0x3d/0x330 kernel/workqueue.c:2180
 __queue_work+0xbae/0xf90 kernel/workqueue.c:2339
 queue_work_on+0x181/0x270 kernel/workqueue.c:2386
 queue_work include/linux/workqueue.h:669 [inline]
 udp_tunnel_nic_device_sync net/ipv4/udp_tunnel_nic.c:307 [inline]
 __udp_tunnel_nic_add_port+0xb71/0xd60 net/ipv4/udp_tunnel_nic.c:523
 udp_tunnel_nic_add_port include/net/udp_tunnel.h:371 [inline]
 udp_tunnel_notify_add_rx_port+0x2b5/0x3b0 net/ipv4/udp_tunnel_core.c:146
 geneve_socket_create drivers/net/geneve.c:615 [inline]
 geneve_sock_add+0x557/0x910 drivers/net/geneve.c:690
 geneve_open+0xd2/0x140 drivers/net/geneve.c:732
 __dev_open+0x42a/0x800 net/core/dev.c:1683
 netif_open+0xaa/0x170 net/core/dev.c:1706
 dev_open+0x125/0x260 net/core/dev_api.c:201
 bond_enslave+0x1048/0x38c0 drivers/net/bonding/bond_main.c:1988
 do_set_master+0x533/0x6d0 net/core/rtnetlink.c:2963
 rtnl_newlink_create+0x677/0xb00 net/core/rtnetlink.c:3854
 __rtnl_newlink net/core/rtnetlink.c:3957 [inline]
 rtnl_newlink+0x16e7/0x1c90 net/core/rtnetlink.c:4072
 rtnetlink_rcv_msg+0x7cf/0xb70 net/core/rtnetlink.c:6958
 netlink_rcv_skb+0x208/0x470 net/netlink/af_netlink.c:2550
 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
 netlink_unicast+0x82f/0x9e0 net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x805/0xb30 net/netlink/af_netlink.c:1894
 sock_sendmsg_nosec net/socket.c:718 [inline]
 __sock_sendmsg+0x21c/0x270 net/socket.c:733
 ____sys_sendmsg+0x505/0x820 net/socket.c:2608
 ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2662
 __sys_sendmsg net/socket.c:2694 [inline]
 __do_sys_sendmsg net/socket.c:2699 [inline]
 __se_sys_sendmsg net/socket.c:2697 [inline]
 __x64_sys_sendmsg+0x19b/0x260 net/socket.c:2697
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff888078afd800
 which belongs to the cache kmalloc-256 of size 256
The buggy address is located 176 bytes inside of
 freed 256-byte region [ffff888078afd800, ffff888078afd900)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x78afc
head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
ksm flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000040 ffff88801a026b40 ffffea00009df900 dead000000000003
raw: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
head: 00fff00000000040 ffff88801a026b40 ffffea00009df900 dead000000000003
head: 0000000000000000 0000000000100010 00000000f5000000 0000000000000000
head: 00fff00000000001 ffffea0001e2bf01 00000000ffffffff 00000000ffffffff
head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5898, tgid 5898 (syz-executor), ts 78996904335, free_ts 78992909243
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x234/0x290 mm/page_alloc.c:1845
 prep_new_page mm/page_alloc.c:1853 [inline]
 get_page_from_freelist+0x2365/0x2440 mm/page_alloc.c:3879
 __alloc_frozen_pages_noprof+0x181/0x370 mm/page_alloc.c:5183
 alloc_pages_mpol+0x232/0x4a0 mm/mempolicy.c:2416
 alloc_slab_page mm/slub.c:3075 [inline]
 allocate_slab+0x86/0x3b0 mm/slub.c:3248
 new_slab mm/slub.c:3302 [inline]
 ___slab_alloc+0xf2b/0x1960 mm/slub.c:4651
 __slab_alloc+0x65/0x100 mm/slub.c:4774
 __slab_alloc_node mm/slub.c:4850 [inline]
 slab_alloc_node mm/slub.c:5246 [inline]
 __do_kmalloc_node mm/slub.c:5651 [inline]
 __kmalloc_noprof+0x471/0x800 mm/slub.c:5664
 kmalloc_noprof include/linux/slab.h:961 [inline]
 kzalloc_noprof include/linux/slab.h:1094 [inline]
 ops_init+0x7b/0x5c0 net/core/net_namespace.c:127
 setup_net+0x110/0x330 net/core/net_namespace.c:446
 copy_net_ns+0x3e3/0x570 net/core/net_namespace.c:581
 create_new_namespaces+0x3e7/0x6a0 kernel/nsproxy.c:130
 unshare_nsproxy_namespaces+0x11c/0x170 kernel/nsproxy.c:226
 ksys_unshare+0x4c8/0x8c0 kernel/fork.c:3128
 __do_sys_unshare kernel/fork.c:3199 [inline]
 __se_sys_unshare kernel/fork.c:3197 [inline]
 __x64_sys_unshare+0x38/0x50 kernel/fork.c:3197
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
page last free pid 5898 tgid 5898 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1394 [inline]
 __free_frozen_pages+0xbc4/0xd30 mm/page_alloc.c:2901
 __slab_free+0x21b/0x2a0 mm/slub.c:5999
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x97/0x100 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:352
 kasan_slab_alloc include/linux/kasan.h:252 [inline]
 slab_post_alloc_hook mm/slub.c:4948 [inline]
 slab_alloc_node mm/slub.c:5258 [inline]
 __kmalloc_cache_noprof+0x36f/0x6f0 mm/slub.c:5766
 kmalloc_noprof include/linux/slab.h:957 [inline]
 kzalloc_noprof include/linux/slab.h:1094 [inline]
 ref_tracker_alloc+0x133/0x460 lib/ref_tracker.c:271
 __netns_tracker_alloc include/net/net_namespace.h:362 [inline]
 sk_alloc+0x2c3/0x390 net/core/sock.c:2322
 inet6_create+0x7f0/0x1260 net/ipv6/af_inet6.c:193
 __sock_create+0x4b3/0x9d0 net/socket.c:1596
 inet_ctl_sock_create+0x9a/0x220 net/ipv4/af_inet.c:1638
 ndisc_net_init+0x8f/0x260 net/ipv6/ndisc.c:1970
 ops_init+0x35c/0x5c0 net/core/net_namespace.c:137
 setup_net+0x110/0x330 net/core/net_namespace.c:446
 copy_net_ns+0x3e3/0x570 net/core/net_namespace.c:581
 create_new_namespaces+0x3e7/0x6a0 kernel/nsproxy.c:130

Memory state around the buggy address:
 ffff888078afd780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff888078afd800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff888078afd880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                     ^
 ffff888078afd900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff888078afd980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================

Crashes (1351):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/12/07 03:48 net-next 8f7aa3d3c732 d6526ea3 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/16 02:54 upstream 0e0611827f33 50bb0618 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-root KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/05/10 06:21 upstream 1bfaee9d3351 29233ece .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/05/03 12:30 upstream 66edb901bf87 a0d91488 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-selinux-root KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/04/12 13:59 upstream f5459048c38a 38c8e246 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-badwrites-root KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2025/11/24 16:20 upstream ac3fd01e4c1e bf6fe8fe .config console log report info [disk image] [vmlinux] [kernel image] ci-qemu-gce-upstream-auto KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/20 05:30 upstream a975094bf98c 43bfcdb0 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/18 08:12 upstream e771677c937d b62b3ded .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/16 05:28 upstream 0e0611827f33 50bb0618 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/15 19:33 upstream 95e56f0f293e c700a26e .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/13 22:22 upstream 062871f1371b 4f06757f .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/12 16:16 upstream 2b414a95b8f7 8f6cdf3b .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/12 09:01 upstream 2b414a95b8f7 e93da63e .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/11 14:04 upstream 9716c086c8e8 d93a6ab6 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/11 07:54 upstream 9716c086c8e8 b754d2d8 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/09 06:25 upstream 2d3090a8aeb5 656e94c6 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/09 04:31 upstream 2d3090a8aeb5 656e94c6 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/08 21:48 upstream 2d3090a8aeb5 656e94c6 .config console log report syz / log [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/08 20:48 upstream 2d3090a8aeb5 656e94c6 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/07 08:31 upstream 8e65320d91cd cc095639 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/07 01:31 upstream 8e65320d91cd cc095639 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/06 18:09 upstream 8e65320d91cd cc095639 .config console log report [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2025/11/06 11:07 upstream dc77806cf3b4 a6c9c731 .config console log report syz / log C [disk image (non-bootable)] [vmlinux] [kernel image] ci-snapshot-upstream-root KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/02/13 23:23 upstream cee73b1e840c 1e62d198 .config console log report info [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu-upstream-386 KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/25 15:51 net 02f144fbb4c8 432fd51a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/25 03:43 net 6bd81a5b4e0d cfa969bf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/24 01:34 net e82d8cc4321c 042555ff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/24 00:25 net e82d8cc4321c 042555ff .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/23 12:47 net a986fde914d8 4b1d8f01 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/23 12:26 net a986fde914d8 4b1d8f01 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/23 09:34 net a986fde914d8 4b1d8f01 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/23 03:35 net d07d80b6a129 5a630be6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/23 00:12 net d07d80b6a129 5a630be6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/22 18:43 net d07d80b6a129 5a630be6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/22 17:36 net d07d80b6a129 5a630be6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/22 16:00 net d07d80b6a129 5a630be6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/22 07:47 net 1579342d7113 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/22 05:46 net 1579342d7113 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/20 13:37 net 96e7f9122aae 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/20 13:17 net 96e7f9122aae 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/20 09:01 net 96e7f9122aae 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/20 00:57 net 96e7f9122aae 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/19 06:20 net 5c121ee63568 d7ffd47b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/19 03:26 net 5c121ee63568 d7ffd47b .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/18 18:26 net 7d8297e26b4e a776b0d0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/08 11:19 net 9772589b57e4 cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/06 05:54 net c93952cc0034 cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-this-kasan-gce KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/25 21:17 net-next b85966adbf5d 432fd51a .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/25 02:28 net-next b85966adbf5d cfa969bf .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/24 18:14 net-next b85966adbf5d c1da772e .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/23 11:14 net-next b85966adbf5d 4b1d8f01 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/23 04:39 net-next b85966adbf5d 5a630be6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/22 22:01 net-next b85966adbf5d 5a630be6 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/22 03:19 net-next b85966adbf5d 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/22 01:02 net-next b85966adbf5d 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/21 19:20 net-next b85966adbf5d 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/21 06:54 net-next b85966adbf5d 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/20 18:29 net-next b85966adbf5d 43bfcdb0 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/18 02:04 net-next b85966adbf5d b62b3ded .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/14 13:19 net-next 383bad5ffeb8 1d2f3589 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/06/08 13:33 net-next 903db046d557 cc095639 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/04/07 04:27 linux-next cc13002a9f98 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-rust-kasan-gce KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2026/04/07 00:43 linux-next cc13002a9f98 4440e7c2 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-linux-next-kasan-gce-root KASAN: slab-use-after-free Read in udp_tunnel_nic_device_sync_work
2025/10/22 23:07 net-next 962ac5ca99a5 c0460fcd .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-net-kasan-gce KFENCE: use-after-free read in udp_tunnel_nic_device_sync_work
* Struck through repros no longer work on HEAD.