Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KASAN: use-after-free Read in sctp_sock_dump sctp | syz | done | error | 7 | 1744d | 1898d | 0/28 | auto-obsoleted due to no activity on 2022/09/13 05:25 |
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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KASAN: use-after-free Read in sctp_sock_dump sctp | syz | done | error | 7 | 1744d | 1898d | 0/28 | auto-obsoleted due to no activity on 2022/09/13 05:25 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2021/10/31 12:31 | 12m | bisect fix | linux-4.19.y | error job log | |
2021/09/23 16:04 | 30m | bisect fix | linux-4.19.y | OK (0) job log log | |
2021/08/24 15:33 | 30m | bisect fix | linux-4.19.y | OK (0) job log log | |
2021/07/25 13:10 | 26m | bisect fix | linux-4.19.y | OK (0) job log log | |
2021/06/25 12:46 | 23m | bisect fix | linux-4.19.y | OK (0) job log log | |
2021/05/26 12:17 | 28m | bisect fix | linux-4.19.y | OK (0) job log log | |
2021/04/26 11:44 | 32m | bisect fix | linux-4.19.y | OK (0) job log log | |
2021/03/27 06:23 | 23m | bisect fix | linux-4.19.y | OK (0) job log log | |
2021/02/24 20:17 | 25m | bisect fix | linux-4.19.y | OK (0) job log log | |
2021/02/05 08:58 | 1m | bisect fix | linux-4.19.y | error job log | |
2021/01/06 08:34 | 24m | bisect fix | linux-4.19.y | OK (0) job log log | |
2020/12/07 00:39 | 25m | bisect fix | linux-4.19.y | OK (0) job log log | |
2020/11/06 23:35 | 25m | bisect fix | linux-4.19.y | OK (0) job log log | |
2020/10/07 22:08 | 26m | bisect fix | linux-4.19.y | OK (0) job log log | |
2020/09/07 21:33 | 31m | bisect fix | linux-4.19.y | OK (0) job log log | |
2020/08/08 14:58 | 28m | bisect fix | linux-4.19.y | OK (0) job log log | |
2020/07/09 14:33 | 25m | bisect fix | linux-4.19.y | OK (0) job log log | |
2020/06/09 14:07 | 26m | bisect fix | linux-4.19.y | OK (0) job log log | |
2020/05/10 13:40 | 26m | bisect fix | linux-4.19.y | OK (0) job log log | |
2020/04/10 13:14 | 25m | bisect fix | linux-4.19.y | OK (0) job log log | |
2020/03/11 11:25 | 34m | bisect fix | linux-4.19.y | OK (0) job log log |
================================================================== BUG: KASAN: use-after-free in sctp_sock_dump+0xaa3/0xb20 net/sctp/diag.c:326 Read of size 8 at addr ffff888092656320 by task syz-executor.0/4571 CPU: 0 PID: 4571 Comm: syz-executor.0 Not tainted 4.19.102-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x197/0x210 lib/dump_stack.c:118 print_address_description.cold+0x7c/0x20d mm/kasan/report.c:256 kasan_report_error mm/kasan/report.c:354 [inline] kasan_report mm/kasan/report.c:412 [inline] kasan_report.cold+0x8c/0x2ba mm/kasan/report.c:396 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report.c:433 sctp_sock_dump+0xaa3/0xb20 net/sctp/diag.c:326 sctp_for_each_transport+0x2b4/0x350 net/sctp/socket.c:5062 sctp_diag_dump+0x33e/0x450 net/sctp/diag.c:528 __inet_diag_dump+0x9e/0x130 net/ipv4/inet_diag.c:1060 inet_diag_dump+0x9b/0x110 net/ipv4/inet_diag.c:1076 netlink_dump+0x427/0xbb0 net/netlink/af_netlink.c:2233 __netlink_dump_start+0x50d/0x710 net/netlink/af_netlink.c:2329 netlink_dump_start include/linux/netlink.h:213 [inline] inet_diag_handler_cmd+0x262/0x320 net/ipv4/inet_diag.c:1181 __sock_diag_cmd net/core/sock_diag.c:232 [inline] sock_diag_rcv_msg+0x319/0x410 net/core/sock_diag.c:263 netlink_rcv_skb+0x17d/0x460 net/netlink/af_netlink.c:2454 sock_diag_rcv+0x2b/0x40 net/core/sock_diag.c:274 netlink_unicast_kernel net/netlink/af_netlink.c:1317 [inline] netlink_unicast+0x53a/0x730 net/netlink/af_netlink.c:1343 netlink_sendmsg+0x8ae/0xd70 net/netlink/af_netlink.c:1908 sock_sendmsg_nosec net/socket.c:622 [inline] sock_sendmsg+0xd7/0x130 net/socket.c:632 sock_write_iter+0x2cb/0x400 net/socket.c:901 call_write_iter include/linux/fs.h:1820 [inline] do_iter_readv_writev+0x558/0x830 fs/read_write.c:681 do_iter_write fs/read_write.c:960 [inline] do_iter_write+0x184/0x5f0 fs/read_write.c:941 vfs_writev+0x1b3/0x2f0 fs/read_write.c:1005 do_writev+0x15e/0x370 fs/read_write.c:1040 __do_sys_writev fs/read_write.c:1113 [inline] __se_sys_writev fs/read_write.c:1110 [inline] __x64_sys_writev+0x75/0xb0 fs/read_write.c:1110 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45b399 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fe2f4277c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 RAX: ffffffffffffffda RBX: 00007fe2f42786d4 RCX: 000000000045b399 RDX: 0000000000000001 RSI: 0000000020000000 RDI: 000000000000000c RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000cdd R14: 00000000004c9cac R15: 000000000075c07c Allocated by task 4570: save_stack+0x45/0xd0 mm/kasan/kasan.c:448 set_track mm/kasan/kasan.c:460 [inline] kasan_kmalloc mm/kasan/kasan.c:553 [inline] kasan_kmalloc+0xce/0xf0 mm/kasan/kasan.c:531 kmem_cache_alloc_trace+0x152/0x760 mm/slab.c:3625 kmalloc include/linux/slab.h:515 [inline] kzalloc include/linux/slab.h:709 [inline] sctp_endpoint_new+0x79/0xd70 net/sctp/endpointola.c:192 sctp_init_sock+0xb87/0x1290 net/sctp/socket.c:4747 inet6_create net/ipv6/af_inet6.c:255 [inline] inet6_create+0x9bd/0xf70 net/ipv6/af_inet6.c:110 __sock_create+0x3d8/0x730 net/socket.c:1276 sock_create net/socket.c:1316 [inline] __sys_socket+0x103/0x220 net/socket.c:1346 __do_sys_socket net/socket.c:1355 [inline] __se_sys_socket net/socket.c:1353 [inline] __x64_sys_socket+0x73/0xb0 net/socket.c:1353 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe Freed by task 4570: save_stack+0x45/0xd0 mm/kasan/kasan.c:448 set_track mm/kasan/kasan.c:460 [inline] __kasan_slab_free+0x102/0x150 mm/kasan/kasan.c:521 kasan_slab_free+0xe/0x10 mm/kasan/kasan.c:528 __cache_free mm/slab.c:3503 [inline] kfree+0xcf/0x220 mm/slab.c:3822 sctp_endpoint_destroy net/sctp/endpointola.c:282 [inline] sctp_endpoint_put+0x239/0x2c0 net/sctp/endpointola.c:298 sctp_endpoint_free+0x77/0x90 net/sctp/endpointola.c:241 sctp_destroy_sock+0x9f/0x3e0 net/sctp/socket.c:4800 sctp_v6_destroy_sock+0x16/0x30 net/sctp/socket.c:8959 sk_common_release+0x6b/0x330 net/core/sock.c:3067 sctp_close+0x4e4/0x860 net/sctp/socket.c:1567 inet_release+0xe0/0x1f0 net/ipv4/af_inet.c:427 inet6_release+0x53/0x80 net/ipv6/af_inet6.c:472 __sock_release+0xce/0x2a0 net/socket.c:579 sock_close+0x1b/0x30 net/socket.c:1140 __fput+0x2dd/0x8b0 fs/file_table.c:278 ____fput+0x16/0x20 fs/file_table.c:309 task_work_run+0x145/0x1c0 kernel/task_work.c:113 get_signal+0x1baa/0x1fc0 kernel/signal.c:2394 do_signal+0x95/0x1960 arch/x86/kernel/signal.c:821 exit_to_usermode_loop+0x244/0x2c0 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x53d/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe The buggy address belongs to the object at ffff888092656280 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 160 bytes inside of 512-byte region [ffff888092656280, ffff888092656480) The buggy address belongs to the page: page:ffffea0002499580 count:1 mapcount:0 mapping:ffff88812c31c940 index:0xffff888092656780 flags: 0xfffe0000000100(slab) raw: 00fffe0000000100 ffffea0002118bc8 ffffea000208e808 ffff88812c31c940 raw: ffff888092656780 ffff888092656000 0000000100000005 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff888092656200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff888092656280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff888092656300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff888092656380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888092656400: 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2020/02/10 11:25 | linux-4.19.y | b499cf4b3a90 | 35f5e45e | .config | console log | report | syz | ci2-linux-4-19 |