Title | Replies (including bot) | Last reply |
---|---|---|
Re: KASAN: use-after-free Read in __list_add_valid (3) | 1 (1) | 2018/02/02 23:55 |
Re: KASAN: use-after-free Read in __list_add_valid (3) | 1 (1) | 2018/01/25 10:02 |
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Title | Replies (including bot) | Last reply |
---|---|---|
Re: KASAN: use-after-free Read in __list_add_valid (3) | 1 (1) | 2018/02/02 23:55 |
Re: KASAN: use-after-free Read in __list_add_valid (3) | 1 (1) | 2018/01/25 10:02 |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KASAN: use-after-free Read in __list_add_valid (5) rdma | C | 16 | 2380d | 2387d | 11/28 | fixed on 2019/02/21 08:43 | ||
upstream | KASAN: use-after-free Read in __list_add_valid (2) net | 1 | 2507d | 2506d | 0/28 | closed as invalid on 2018/01/19 22:57 | |||
upstream | KASAN: use-after-free Read in __list_add_valid (4) rdma | C | 61 | 2389d | 2404d | 0/28 | closed as dup on 2018/03/22 15:30 | ||
upstream | KASAN: use-after-free Read in __list_add_valid | syz | 26 | 2543d | 2590d | 3/28 | fixed on 2017/10/24 22:03 |
================================================================== BUG: KASAN: use-after-free in __list_add_valid+0xb1/0xd0 lib/list_debug.c:23 Read of size 8 at addr ffff8801bfccdfd0 by task syz-executor3/8573 CPU: 1 PID: 8573 Comm: syz-executor3 Not tainted 4.15.0+ #288 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:53 print_address_description+0x73/0x250 mm/kasan/report.c:252 kasan_report_error mm/kasan/report.c:351 [inline] kasan_report+0x25b/0x340 mm/kasan/report.c:409 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:430 __list_add_valid+0xb1/0xd0 lib/list_debug.c:23 __list_add include/linux/list.h:60 [inline] list_add include/linux/list.h:79 [inline] __add_wait_queue include/linux/wait.h:156 [inline] add_wait_queue+0xcf/0x290 kernel/sched/wait.c:30 vhost_poll_func+0x3d/0x50 drivers/vhost/vhost.c:165 poll_wait include/linux/poll.h:46 [inline] eventfd_poll+0xe8/0x1f0 fs/eventfd.c:123 vhost_poll_start+0x93/0x1c0 drivers/vhost/vhost.c:212 vhost_vring_ioctl+0xe28/0x19b0 drivers/vhost/vhost.c:1560 vhost_net_ioctl+0x9df/0x1910 drivers/vhost/net.c:1320 vfs_ioctl fs/ioctl.c:46 [inline] do_vfs_ioctl+0x1b1/0x1520 fs/ioctl.c:686 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 entry_SYSCALL_64_fastpath+0x29/0xa0 RIP: 0033:0x453299 RSP: 002b:00007f391f4f0c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000453299 RDX: 00000000208ffff8 RSI: 000000004008af20 RDI: 0000000000000013 RBP: 0000000000000342 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f3ed0 R13: 00000000ffffffff R14: 00007f391f4f16d4 R15: 0000000000000002 Allocated by task 8567: save_stack+0x43/0xd0 mm/kasan/kasan.c:447 set_track mm/kasan/kasan.c:459 [inline] kasan_kmalloc+0xad/0xe0 mm/kasan/kasan.c:551 __do_kmalloc_node mm/slab.c:3672 [inline] __kmalloc_node+0x47/0x70 mm/slab.c:3679 kmalloc_node include/linux/slab.h:541 [inline] kvmalloc_node+0x64/0xd0 mm/util.c:397 kvmalloc include/linux/mm.h:541 [inline] vhost_net_open+0x27/0x670 drivers/vhost/net.c:902 misc_open+0x382/0x500 drivers/char/misc.c:154 chrdev_open+0x257/0x730 fs/char_dev.c:417 do_dentry_open+0x667/0xd40 fs/open.c:752 vfs_open+0x107/0x220 fs/open.c:866 do_last fs/namei.c:3397 [inline] path_openat+0x1151/0x3530 fs/namei.c:3537 do_filp_open+0x25b/0x3b0 fs/namei.c:3572 do_sys_open+0x502/0x6d0 fs/open.c:1059 SYSC_openat fs/open.c:1086 [inline] SyS_openat+0x30/0x40 fs/open.c:1080 entry_SYSCALL_64_fastpath+0x29/0xa0 Freed by task 8567: save_stack+0x43/0xd0 mm/kasan/kasan.c:447 set_track mm/kasan/kasan.c:459 [inline] kasan_slab_free+0x71/0xc0 mm/kasan/kasan.c:524 __cache_free mm/slab.c:3488 [inline] kfree+0xd6/0x260 mm/slab.c:3803 kvfree+0x36/0x60 mm/util.c:416 vhost_net_release+0x159/0x190 drivers/vhost/net.c:1012 __fput+0x327/0x7e0 fs/file_table.c:210 ____fput+0x15/0x20 fs/file_table.c:244 task_work_run+0x199/0x270 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:191 [inline] exit_to_usermode_loop+0x296/0x310 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:195 [inline] syscall_return_slowpath+0x490/0x550 arch/x86/entry/common.c:264 entry_SYSCALL_64_fastpath+0x9e/0xa0 The buggy address belongs to the object at ffff8801bfccdd40 which belongs to the cache kmalloc-65536 of size 65536 The buggy address is located 656 bytes inside of 65536-byte region [ffff8801bfccdd40, ffff8801bfcddd40) The buggy address belongs to the page: page:ffffea0006ff3000 count:1 mapcount:0 mapping:ffff8801bfccdd40 index:0x0 compound_mapcount: 0 flags: 0x2fffc0000008100(slab|head) raw: 02fffc0000008100 ffff8801bfccdd40 0000000000000000 0000000100000001 raw: ffffea00071f7820 ffffea00076d1820 ffff8801db002500 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff8801bfccde80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8801bfccdf00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff8801bfccdf80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8801bfcce000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8801bfcce080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2018/01/31 14:18 | upstream | 3da90b159b14 | 02553e22 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/30 11:45 | upstream | 6304672b7f0a | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/29 02:29 | upstream | 24b1cccf9229 | 08d47756 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/26 19:44 | upstream | 993ca2068b04 | 1d18b112 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/26 16:20 | upstream | 993ca2068b04 | 1d18b112 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/25 17:43 | upstream | 5b7d27967dab | 6b2a715e | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/24 13:48 | upstream | 1f07476ec143 | a5b7566c | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/24 08:55 | upstream | 1f07476ec143 | a5b7566c | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/24 07:58 | upstream | 1f07476ec143 | a5b7566c | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/24 07:28 | upstream | 1f07476ec143 | a5b7566c | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/01/23 11:03 | upstream | a0ec1ded22e6 | 228e3d95 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/02/01 00:44 | upstream | 3da90b159b14 | 02553e22 | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2018/01/30 16:34 | upstream | 6304672b7f0a | a899be78 | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2018/01/30 09:12 | upstream | 6304672b7f0a | 08d47756 | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2018/01/27 07:36 | upstream | c4e0ca7fa241 | 1d18b112 | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2018/01/25 06:46 | upstream | 5132ede0fe80 | 866f1102 | .config | console log | report | ci-upstream-kasan-gce-386 |