syzbot


KASAN: use-after-free Read in raw_notifier_call_chain

Status: fixed on 2023/02/24 13:50
Subsystems: kernel
[Documentation on labels]
Fix commit: 5daadc86f27e net: tun: Fix use-after-free in tun_detach()
First crash: 805d, last: 568d

Sample crash report:
==================================================================
BUG: KASAN: use-after-free in notifier_call_chain kernel/notifier.c:75 [inline]
BUG: KASAN: use-after-free in raw_notifier_call_chain+0x3e/0x170 kernel/notifier.c:455
Read of size 8 at addr ffff88804abd8268 by task syz-executor.4/18571

CPU: 0 PID: 18571 Comm: syz-executor.4 Not tainted 6.1.0-rc7-syzkaller-00012-gca57f02295f1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
 print_address_description+0x74/0x340 mm/kasan/report.c:284
 print_report+0x107/0x220 mm/kasan/report.c:395
 kasan_report+0x139/0x170 mm/kasan/report.c:495
 notifier_call_chain kernel/notifier.c:75 [inline]
 raw_notifier_call_chain+0x3e/0x170 kernel/notifier.c:455
 call_netdevice_notifiers_info net/core/dev.c:1942 [inline]
 call_netdevice_notifiers_extack net/core/dev.c:1983 [inline]
 call_netdevice_notifiers net/core/dev.c:1997 [inline]
 netdev_wait_allrefs_any net/core/dev.c:10237 [inline]
 netdev_run_todo+0x8ce/0x1090 net/core/dev.c:10351
 tun_detach drivers/net/tun.c:704 [inline]
 tun_chr_close+0x11f/0x130 drivers/net/tun.c:3467
 __fput+0x3ba/0x880 fs/file_table.c:320
 task_work_run+0x243/0x300 kernel/task_work.c:179
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0x664/0x2070 kernel/exit.c:820
 do_group_exit+0x1fd/0x2b0 kernel/exit.c:950
 get_signal+0x1743/0x1810 kernel/signal.c:2858
 arch_do_signal_or_restart+0x8d/0x750 arch/x86/kernel/signal.c:869
 exit_to_user_mode_loop+0x74/0x160 kernel/entry/common.c:168
 exit_to_user_mode_prepare+0xad/0x110 kernel/entry/common.c:203
 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
 syscall_exit_to_user_mode+0x2e/0x60 kernel/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f52c82b0e01
Code: Unable to access opcode bytes at 0x7f52c82b0dd7.
RSP: 002b:00007f52c8f9e0b0 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6
RAX: fffffffffffffdfc RBX: 00007f52c83abf80 RCX: 00007f52c82b0e01
RDX: 00007f52c8f9e0f0 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f52c82e7ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 00007ffe17db70df R14: 00007f52c8f9e300 R15: 0000000000022000
 </TASK>

Allocated by task 3675:
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4c/0x70 mm/kasan/common.c:52
 __kasan_slab_alloc+0x65/0x70 mm/kasan/common.c:325
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook mm/slab.h:737 [inline]
 slab_alloc_node mm/slub.c:3398 [inline]
 slab_alloc mm/slub.c:3406 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3413 [inline]
 kmem_cache_alloc+0x1cc/0x300 mm/slub.c:3422
 kmem_cache_zalloc include/linux/slab.h:679 [inline]
 net_alloc net/core/net_namespace.c:410 [inline]
 copy_net_ns+0x13c/0x5b0 net/core/net_namespace.c:465
 create_new_namespaces+0x4db/0x8e0 kernel/nsproxy.c:110
 unshare_nsproxy_namespaces+0x11e/0x180 kernel/nsproxy.c:226
 ksys_unshare+0x57f/0xb30 kernel/fork.c:3188
 __do_sys_unshare kernel/fork.c:3259 [inline]
 __se_sys_unshare kernel/fork.c:3257 [inline]
 __x64_sys_unshare+0x34/0x40 kernel/fork.c:3257
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Freed by task 3727:
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4c/0x70 mm/kasan/common.c:52
 kasan_save_free_info+0x27/0x40 mm/kasan/generic.c:511
 ____kasan_slab_free+0xd6/0x120 mm/kasan/common.c:236
 kasan_slab_free include/linux/kasan.h:177 [inline]
 slab_free_hook mm/slub.c:1724 [inline]
 slab_free_freelist_hook+0x12e/0x1a0 mm/slub.c:1750
 slab_free mm/slub.c:3661 [inline]
 kmem_cache_free+0x94/0x1d0 mm/slub.c:3683
 net_free net/core/net_namespace.c:439 [inline]
 cleanup_net+0xb8b/0xc50 net/core/net_namespace.c:622
 process_one_work+0x81c/0xd10 kernel/workqueue.c:2289
 worker_thread+0xb14/0x1330 kernel/workqueue.c:2436
 kthread+0x266/0x300 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306

Last potentially related work creation:
 kasan_save_stack+0x3b/0x60 mm/kasan/common.c:45
 __kasan_record_aux_stack+0xb0/0xc0 mm/kasan/generic.c:481
 insert_work+0x54/0x3e0 kernel/workqueue.c:1358
 __queue_work+0xaaa/0xd60 kernel/workqueue.c:1517
 call_timer_fn+0xf5/0x210 kernel/time/timer.c:1474
 expire_timers kernel/time/timer.c:1514 [inline]
 __run_timers+0x7a2/0x980 kernel/time/timer.c:1790
 __do_softirq+0x277/0x75b kernel/softirq.c:571

Second to last potentially related work creation:
 kasan_save_stack+0x3b/0x60 mm/kasan/common.c:45
 __kasan_record_aux_stack+0xb0/0xc0 mm/kasan/generic.c:481
 insert_work+0x54/0x3e0 kernel/workqueue.c:1358
 __queue_work+0xaaa/0xd60 kernel/workqueue.c:1517
 call_timer_fn+0xf5/0x210 kernel/time/timer.c:1474
 expire_timers kernel/time/timer.c:1514 [inline]
 __run_timers+0x7a2/0x980 kernel/time/timer.c:1790
 __do_softirq+0x277/0x75b kernel/softirq.c:571

The buggy address belongs to the object at ffff88804abd8000
 which belongs to the cache net_namespace of size 6976
The buggy address is located 616 bytes inside of
 6976-byte region [ffff88804abd8000, ffff88804abd9b40)

The buggy address belongs to the physical page:
page:ffffea00012af600 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88804abd9c40 pfn:0x4abd8
head:ffffea00012af600 order:3 compound_mapcount:0 compound_pincount:0
memcg:ffff888078cb3c81
flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000010200 ffff8880129e1408 ffffea00010bbe08 ffff8880129e0640
raw: ffff88804abd9c40 0000000000040001 00000001ffffffff ffff888078cb3c81
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 3675, tgid 3675 (syz-executor.4), ts 102438604718, free_ts 10782019942
 prep_new_page mm/page_alloc.c:2539 [inline]
 get_page_from_freelist+0x72b/0x7a0 mm/page_alloc.c:4291
 __alloc_pages+0x259/0x560 mm/page_alloc.c:5558
 alloc_slab_page+0x70/0xf0 mm/slub.c:1794
 allocate_slab+0x5e/0x4b0 mm/slub.c:1939
 new_slab mm/slub.c:1992 [inline]
 ___slab_alloc+0x7f4/0xeb0 mm/slub.c:3180
 __slab_alloc mm/slub.c:3279 [inline]
 slab_alloc_node mm/slub.c:3364 [inline]
 slab_alloc mm/slub.c:3406 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3413 [inline]
 kmem_cache_alloc+0x24c/0x300 mm/slub.c:3422
 kmem_cache_zalloc include/linux/slab.h:679 [inline]
 net_alloc net/core/net_namespace.c:410 [inline]
 copy_net_ns+0x13c/0x5b0 net/core/net_namespace.c:465
 create_new_namespaces+0x4db/0x8e0 kernel/nsproxy.c:110
 unshare_nsproxy_namespaces+0x11e/0x180 kernel/nsproxy.c:226
 ksys_unshare+0x57f/0xb30 kernel/fork.c:3188
 __do_sys_unshare kernel/fork.c:3259 [inline]
 __se_sys_unshare kernel/fork.c:3257 [inline]
 __x64_sys_unshare+0x34/0x40 kernel/fork.c:3257
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1459 [inline]
 free_pcp_prepare+0x80c/0x8f0 mm/page_alloc.c:1509
 free_unref_page_prepare mm/page_alloc.c:3387 [inline]
 free_unref_page+0x7d/0x630 mm/page_alloc.c:3483
 free_contig_range+0xa3/0x160 mm/page_alloc.c:9496
 destroy_args+0xfe/0x989 mm/debug_vm_pgtable.c:1031
 debug_vm_pgtable+0x463/0x4bc mm/debug_vm_pgtable.c:1354
 do_one_initcall+0xbd/0x2b0 init/main.c:1303
 do_initcall_level+0x168/0x218 init/main.c:1376
 do_initcalls+0x4b/0x8c init/main.c:1392
 kernel_init_freeable+0x471/0x61d init/main.c:1631
 kernel_init+0x19/0x2b0 init/main.c:1519
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306

Memory state around the buggy address:
 ffff88804abd8100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88804abd8180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88804abd8200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                          ^
 ffff88804abd8280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88804abd8300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================

Crashes (68):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2022/11/29 13:50 upstream ca57f02295f1 05dc7993 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/11/21 22:42 upstream eb7081409f94 1c576c23 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/11/21 00:12 upstream 77c51ba552a1 5bb70014 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/11/17 22:54 upstream 81ac25651a62 4ba8ab94 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/11/17 14:21 upstream cc675d22e422 3a127a31 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/11/16 21:35 upstream 59d0d52c30d4 3a127a31 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/11/13 21:11 upstream af7a05689189 3ead01ad .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/11/12 15:21 upstream 8f2975c2bb4c 3ead01ad .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/11/09 01:16 upstream f141df371335 060f945e .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/11/05 19:49 upstream b208b9fbbcba 6d752409 .config console log report info [disk image] [vmlinux] [kernel image] ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/10/23 16:27 upstream d47136c28015 23bf86af .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/10/16 08:42 upstream 55be6084c8e0 67cb024c .config console log report info [disk image] [vmlinux] ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/09/28 13:21 upstream 49c13ed0316d e2556bc3 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/09/21 23:29 upstream 06f7db949993 60af5050 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/09/17 10:11 upstream a335366bad13 dd9a85ff .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/09/10 22:37 upstream b96fbd602d35 356d8217 .config console log report info [disk image] [vmlinux] ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/09/09 02:58 upstream 506357871c18 f3027468 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/09/08 12:28 upstream 0066f1b0e275 f3027468 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/09/06 01:04 upstream 53e99dcff61e 9dcd38fc .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/08/30 18:41 upstream dcf8e5633e2e 4a380809 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/08/30 16:40 upstream dcf8e5633e2e 4a380809 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/08/23 05:21 upstream 072e51356cd5 26a13b38 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/08/21 19:57 upstream e3f259d33c0e 26a13b38 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/08/05 14:37 upstream 200e340f2196 a65a7ce9 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/08/02 17:48 upstream 7d0d3fa7339e 1c9013ac .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/07/31 11:59 upstream 6a010258447d fef302b1 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/07/30 21:48 upstream 620725263f42 fef302b1 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/07/29 11:25 upstream 6e2c0490769e fef302b1 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/07/02 23:31 upstream 34074da5424c 1434eec0 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/07/02 05:46 upstream 089866061428 1434eec0 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/06/30 20:49 upstream 1a0e93df1e10 1434eec0 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/06/27 02:00 upstream 03c765b0e3b4 a371c43c .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/06/22 01:13 upstream ca1fdab7fd27 0fc5c330 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/06/21 04:41 upstream 78ca55889a54 0fc5c330 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/06/15 12:49 upstream 018ab4fabddd 127d1faf .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/06/13 17:29 upstream b13baccc3850 0d5abf15 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/06/10 12:44 upstream 6bfb56e93bce 0d5abf15 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/06/09 08:33 upstream 6bfb56e93bce 0d5abf15 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/06/09 07:56 upstream 6bfb56e93bce 0d5abf15 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/06/08 02:36 upstream e71e60cd74df b2706118 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/06/05 18:28 upstream 44688ffd111a c8857892 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/05/31 13:50 upstream 8ab2afa23bd1 af70c3a9 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/05/31 12:44 upstream 8ab2afa23bd1 af70c3a9 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/05/28 14:07 upstream 9d004b2f4fea a46af346 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/05/23 01:14 upstream 4b0986a3613c 7268fa62 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/05/22 13:24 upstream eaea45fc0e7b 7268fa62 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/05/22 09:31 upstream eaea45fc0e7b 7268fa62 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/05/21 06:25 upstream 3b5e1590a267 7268fa62 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/05/08 08:37 upstream 30c8e80f7932 e60b1103 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/05/06 23:49 upstream 64267926e01b e60b1103 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/05/05 08:17 upstream a7391ad35724 dc9e5259 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/05/04 14:11 upstream 107c948d1d3e dc9e5259 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/05/04 03:24 upstream 107c948d1d3e dc9e5259 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/05/04 02:36 upstream 107c948d1d3e dc9e5259 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/05/01 08:49 upstream 57ae8a492116 2df221f6 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/05/01 02:54 upstream 57ae8a492116 2df221f6 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/04/30 09:01 upstream 8013d1d3d2e3 ad6b95d8 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/04/30 07:51 upstream 8013d1d3d2e3 ad6b95d8 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/04/29 08:57 upstream 38d741cb70b3 e9076525 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/04/25 00:17 upstream 5206548f6e67 131df97d .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/04/22 12:08 upstream d569e86915b7 2738b391 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/04/16 01:30 upstream 59250f8a7f3a 8bcc32a6 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/04/14 21:33 upstream b9b4c79e5830 b17b2923 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/04/13 09:16 upstream a19944809fe9 faabdb86 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/04/10 19:53 upstream 4ea3c6425269 e22c3da3 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/04/09 02:57 upstream 6c7376da2358 e22c3da3 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/04/07 23:10 upstream 42e7a03d3bad c6ff3e05 .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
2022/04/05 18:45 upstream ce4c854ee868 0127c10f .config console log report info ci-upstream-kasan-gce-smack-root KASAN: use-after-free Read in raw_notifier_call_chain
* Struck through repros no longer work on HEAD.