Title | Replies (including bot) | Last reply |
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KASAN: use-after-free Read in __list_add_valid (5) | 4 (5) | 2019/02/20 15:42 |
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KASAN: use-after-free Read in __list_add_valid (5) | 4 (5) | 2019/02/20 15:42 |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KASAN: use-after-free Read in __list_add_valid (3) kvm net virt | 16 | 2500d | 2507d | 4/28 | fixed on 2018/02/04 11:35 | |||
upstream | KASAN: use-after-free Read in __list_add_valid (2) net | 1 | 2567d | 2567d | 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 | 2450d | 2465d | 0/28 | closed as dup on 2018/03/22 15:30 | ||
upstream | KASAN: use-after-free Read in __list_add_valid | syz | 26 | 2603d | 2651d | 3/28 | fixed on 2017/10/24 22:03 |
IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 ================================================================== BUG: KASAN: use-after-free in __list_add_valid+0xc6/0xd0 lib/list_debug.c:26 IPVS: ftp: loaded support on port[0] = 21 Read of size 8 at addr ffff8801ca8adcd8 by task syzkaller401155/4288 CPU: 0 PID: 4288 Comm: syzkaller401155 Not tainted 4.16.0-rc6+ #365 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+0x194/0x24d lib/dump_stack.c:53 print_address_description+0x73/0x250 mm/kasan/report.c:256 IPVS: ftp: loaded support on port[0] = 21 kasan_report_error mm/kasan/report.c:354 [inline] kasan_report+0x23c/0x360 mm/kasan/report.c:412 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:433 __list_add_valid+0xc6/0xd0 lib/list_debug.c:26 __list_add include/linux/list.h:60 [inline] list_add_tail include/linux/list.h:93 [inline] cma_listen_on_all drivers/infiniband/core/cma.c:2309 [inline] rdma_listen+0x581/0x8e0 drivers/infiniband/core/cma.c:3333 ucma_listen+0x172/0x1f0 drivers/infiniband/core/ucma.c:1074 ucma_write+0x2d6/0x3d0 drivers/infiniband/core/ucma.c:1649 IPVS: ftp: loaded support on port[0] = 21 __vfs_write+0xef/0x970 fs/read_write.c:480 IPVS: ftp: loaded support on port[0] = 21 vfs_write+0x189/0x510 fs/read_write.c:544 SYSC_write fs/read_write.c:589 [inline] SyS_write+0xef/0x220 fs/read_write.c:581 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 IPVS: ftp: loaded support on port[0] = 21 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x44a9e9 RSP: 002b:00007f94303f3da8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00000000006e29fc RCX: 000000000044a9e9 RDX: 0000000000000010 RSI: 0000000020000000 RDI: 0000000000000004 RBP: 00000000006e29f8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 2f646e6162696e69 R13: 666e692f7665642f R14: 7073642f7665642f R15: 0000000000000009 Allocated by task 4284: 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:552 kmem_cache_alloc_trace+0x136/0x740 mm/slab.c:3607 kmalloc include/linux/slab.h:512 [inline] kzalloc include/linux/slab.h:701 [inline] rdma_create_id+0xd0/0x630 drivers/infiniband/core/cma.c:787 ucma_create_id+0x35f/0x920 drivers/infiniband/core/ucma.c:480 ucma_write+0x2d6/0x3d0 drivers/infiniband/core/ucma.c:1649 __vfs_write+0xef/0x970 fs/read_write.c:480 vfs_write+0x189/0x510 fs/read_write.c:544 SYSC_write fs/read_write.c:589 [inline] SyS_write+0xef/0x220 fs/read_write.c:581 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 Freed by task 4284: save_stack+0x43/0xd0 mm/kasan/kasan.c:447 set_track mm/kasan/kasan.c:459 [inline] __kasan_slab_free+0x11a/0x170 mm/kasan/kasan.c:520 kasan_slab_free+0xe/0x10 mm/kasan/kasan.c:527 __cache_free mm/slab.c:3485 [inline] kfree+0xd9/0x260 mm/slab.c:3800 rdma_destroy_id+0x821/0xda0 drivers/infiniband/core/cma.c:1691 ucma_close+0x100/0x2f0 drivers/infiniband/core/ucma.c:1728 __fput+0x327/0x7e0 fs/file_table.c:209 ____fput+0x15/0x20 fs/file_table.c:243 task_work_run+0x199/0x270 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0x9bb/0x1ad0 kernel/exit.c:865 do_group_exit+0x149/0x400 kernel/exit.c:968 get_signal+0x73a/0x16d0 kernel/signal.c:2469 do_signal+0x90/0x1e90 arch/x86/kernel/signal.c:809 exit_to_usermode_loop+0x258/0x2f0 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:196 [inline] syscall_return_slowpath arch/x86/entry/common.c:265 [inline] do_syscall_64+0x6ec/0x940 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 The buggy address belongs to the object at ffff8801ca8adb00 which belongs to the cache kmalloc-1024 of size 1024 The buggy address is located 472 bytes inside of 1024-byte region [ffff8801ca8adb00, ffff8801ca8adf00) The buggy address belongs to the page: page:ffffea00072a2b00 count:1 mapcount:0 mapping:ffff8801ca8ac000 index:0x0 compound_mapcount: 0 flags: 0x2fffc0000008100(slab|head) raw: 02fffc0000008100 ffff8801ca8ac000 0000000000000000 0000000100000007 raw: ffffea00072969a0 ffffea00072c5d20 ffff8801dac00ac0 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff8801ca8adb80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8801ca8adc00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff8801ca8adc80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8801ca8add00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8801ca8add80: 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2018/03/24 20:56 | upstream | bcfc1f455466 | 2e9d9054 | .config | console log | report | syz | C | ci-upstream-kasan-gce | |||
2018/03/31 02:39 | upstream | 9dd2326890d8 | 8fbce0e4 | .config | console log | report | syz | ci-upstream-kasan-gce-root | ||||
2018/04/01 04:32 | upstream | 10b84daddbec | 0174c6c8 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/03/31 19:59 | upstream | 10b84daddbec | 0174c6c8 | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/03/31 10:43 | upstream | b5dbc28762fd | 8fbce0e4 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/03/30 17:09 | upstream | c2a9838452a4 | d47f0ed6 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/03/29 17:20 | upstream | 0b412605ef5f | d47f0ed6 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/03/28 15:40 | upstream | 3eb2ce825ea1 | bf5e585c | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/03/28 06:25 | upstream | 3eb2ce825ea1 | bf5e585c | .config | console log | report | ci-upstream-kasan-gce | |||||
2018/03/25 12:11 | upstream | bcfc1f455466 | e033c1f1 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2018/04/01 09:51 | upstream | 10b84daddbec | 0174c6c8 | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2018/04/01 02:50 | upstream | 10b84daddbec | 0174c6c8 | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2018/03/28 07:05 | upstream | 3eb2ce825ea1 | bf5e585c | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2018/03/26 09:32 | upstream | 3eb2ce825ea1 | e033c1f1 | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2018/03/25 23:12 | upstream | cb6416592bc2 | e033c1f1 | .config | console log | report | ci-upstream-kasan-gce-386 | |||||
2018/03/24 18:21 | upstream | bcfc1f455466 | 2e9d9054 | .config | console log | report | ci-upstream-kasan-gce-386 |