Title | Replies (including bot) | Last reply |
---|---|---|
[PATCH net-next] sctp: bring inet(6)_skb_parm back to sctp_input_cb | 3 (3) | 2020/11/05 22:29 |
KASAN: use-after-free Read in decode_session6 | 2 (5) | 2020/11/03 13:52 |
syzbot |
sign-in | mailing list | source | docs |
Title | Replies (including bot) | Last reply |
---|---|---|
[PATCH net-next] sctp: bring inet(6)_skb_parm back to sctp_input_cb | 3 (3) | 2020/11/05 22:29 |
KASAN: use-after-free Read in decode_session6 | 2 (5) | 2020/11/03 13:52 |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KASAN: slab-out-of-bounds Read in decode_session6 net | C | error | error | 327 | 387d | 1608d | 0/28 | auto-obsoleted due to no activity on 2024/01/09 18:18 |
================================================================== BUG: KASAN: use-after-free in decode_session6+0xe7c/0x1580 net/xfrm/xfrm_policy.c:3393 Read of size 1 at addr ffff88801cde40af by task syz-executor079/8561 CPU: 0 PID: 8561 Comm: syz-executor079 Not tainted 5.10.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: <IRQ> __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x107/0x163 lib/dump_stack.c:118 print_address_description.constprop.0.cold+0xae/0x4c8 mm/kasan/report.c:385 __kasan_report mm/kasan/report.c:545 [inline] kasan_report.cold+0x1f/0x37 mm/kasan/report.c:562 decode_session6+0xe7c/0x1580 net/xfrm/xfrm_policy.c:3393 __xfrm_decode_session net/xfrm/xfrm_policy.c:3485 [inline] __xfrm_policy_check+0x2fa/0x2850 net/xfrm/xfrm_policy.c:3540 __xfrm_policy_check2 include/net/xfrm.h:1097 [inline] xfrm_policy_check include/net/xfrm.h:1106 [inline] sctp_rcv+0x12b0/0x2e30 net/sctp/input.c:202 sctp6_rcv+0x22/0x40 net/sctp/ipv6.c:1078 ip6_protocol_deliver_rcu+0x2e8/0x1680 net/ipv6/ip6_input.c:433 ip6_input_finish+0x7f/0x160 net/ipv6/ip6_input.c:474 NF_HOOK include/linux/netfilter.h:301 [inline] NF_HOOK include/linux/netfilter.h:295 [inline] ip6_input+0x9c/0xd0 net/ipv6/ip6_input.c:483 dst_input include/net/dst.h:449 [inline] ip6_rcv_finish net/ipv6/ip6_input.c:76 [inline] NF_HOOK include/linux/netfilter.h:301 [inline] NF_HOOK include/linux/netfilter.h:295 [inline] ipv6_rcv+0x28e/0x3c0 net/ipv6/ip6_input.c:307 __netif_receive_skb_one_core+0x114/0x180 net/core/dev.c:5315 __netif_receive_skb+0x27/0x1c0 net/core/dev.c:5429 process_backlog+0x232/0x6c0 net/core/dev.c:6319 napi_poll net/core/dev.c:6763 [inline] net_rx_action+0x4dc/0x1100 net/core/dev.c:6833 __do_softirq+0x2a0/0x9f6 kernel/softirq.c:298 asm_call_irq_on_stack+0xf/0x20 </IRQ> __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline] do_softirq_own_stack+0xaa/0xd0 arch/x86/kernel/irq_64.c:77 do_softirq kernel/softirq.c:343 [inline] do_softirq+0xb5/0xe0 kernel/softirq.c:330 __local_bh_enable_ip+0xf0/0x110 kernel/softirq.c:195 local_bh_enable include/linux/bottom_half.h:32 [inline] rcu_read_unlock_bh include/linux/rcupdate.h:730 [inline] ip6_finish_output2+0x71f/0x16c0 net/ipv6/ip6_output.c:118 __ip6_finish_output net/ipv6/ip6_output.c:143 [inline] __ip6_finish_output+0x447/0xab0 net/ipv6/ip6_output.c:128 ip6_finish_output+0x34/0x1f0 net/ipv6/ip6_output.c:153 NF_HOOK_COND include/linux/netfilter.h:290 [inline] ip6_output+0x1db/0x520 net/ipv6/ip6_output.c:176 dst_output include/net/dst.h:443 [inline] NF_HOOK include/linux/netfilter.h:301 [inline] NF_HOOK include/linux/netfilter.h:295 [inline] ip6_xmit+0x1258/0x1e80 net/ipv6/ip6_output.c:280 sctp_v6_xmit+0xbf3/0xfe0 net/sctp/ipv6.c:223 sctp_packet_transmit+0x1f44/0x32f0 net/sctp/output.c:627 sctp_packet_singleton net/sctp/outqueue.c:773 [inline] sctp_outq_flush_ctrl.constprop.0+0x6d3/0xc40 net/sctp/outqueue.c:904 sctp_outq_flush+0xf3/0x2580 net/sctp/outqueue.c:1186 sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1801 [inline] sctp_side_effects net/sctp/sm_sideeffect.c:1185 [inline] sctp_do_sm+0x74e/0x5130 net/sctp/sm_sideeffect.c:1156 sctp_primitive_ASSOCIATE+0x98/0xc0 net/sctp/primitive.c:73 sctp_sendmsg_to_asoc+0xb5b/0x2140 net/sctp/socket.c:1823 sctp_sendmsg+0x103b/0x1d30 net/sctp/socket.c:2013 inet_sendmsg+0x99/0xe0 net/ipv4/af_inet.c:817 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:671 __sys_sendto+0x21c/0x320 net/socket.c:1992 __do_sys_sendto net/socket.c:2004 [inline] __se_sys_sendto net/socket.c:2000 [inline] __x64_sys_sendto+0xdd/0x1b0 net/socket.c:2000 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x440639 Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 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 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007ffc37dbd9f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440639 RDX: 0000000000034000 RSI: 0000000020847fff RDI: 0000000000000004 RBP: 00000000006ca018 R08: 000000002005ffe4 R09: 000000000000001c R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401e40 R13: 0000000000401ed0 R14: 0000000000000000 R15: 0000000000000000 Allocated by task 1: kasan_save_stack+0x1b/0x40 mm/kasan/common.c:48 kasan_set_track mm/kasan/common.c:56 [inline] __kasan_kmalloc.constprop.0+0xc2/0xd0 mm/kasan/common.c:461 kmalloc include/linux/slab.h:557 [inline] tomoyo_realpath_from_path+0xc3/0x620 security/tomoyo/realpath.c:254 tomoyo_get_realpath security/tomoyo/file.c:151 [inline] tomoyo_path_perm+0x21b/0x400 security/tomoyo/file.c:822 security_inode_getattr+0xcf/0x140 security/security.c:1279 vfs_getattr fs/stat.c:121 [inline] vfs_statx+0x164/0x390 fs/stat.c:189 vfs_fstatat fs/stat.c:207 [inline] vfs_lstat include/linux/fs.h:3109 [inline] __do_sys_newlstat+0x91/0x110 fs/stat.c:362 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Freed by task 1: kasan_save_stack+0x1b/0x40 mm/kasan/common.c:48 kasan_set_track+0x1c/0x30 mm/kasan/common.c:56 kasan_set_free_info+0x1b/0x30 mm/kasan/generic.c:355 __kasan_slab_free+0x102/0x140 mm/kasan/common.c:422 slab_free_hook mm/slub.c:1544 [inline] slab_free_freelist_hook+0x5d/0x150 mm/slub.c:1577 slab_free mm/slub.c:3142 [inline] kfree+0xdb/0x360 mm/slub.c:4124 tomoyo_realpath_from_path+0x191/0x620 security/tomoyo/realpath.c:291 tomoyo_get_realpath security/tomoyo/file.c:151 [inline] tomoyo_path_perm+0x21b/0x400 security/tomoyo/file.c:822 security_inode_getattr+0xcf/0x140 security/security.c:1279 vfs_getattr fs/stat.c:121 [inline] vfs_statx+0x164/0x390 fs/stat.c:189 vfs_fstatat fs/stat.c:207 [inline] vfs_lstat include/linux/fs.h:3109 [inline] __do_sys_newlstat+0x91/0x110 fs/stat.c:362 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 The buggy address belongs to the object at ffff88801cde4000 which belongs to the cache kmalloc-4k of size 4096 The buggy address is located 175 bytes inside of 4096-byte region [ffff88801cde4000, ffff88801cde5000) The buggy address belongs to the page: page:000000003d485dd1 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1cde0 head:000000003d485dd1 order:3 compound_mapcount:0 compound_pincount:0 flags: 0xfff00000010200(slab|head) raw: 00fff00000010200 dead000000000100 dead000000000122 ffff888010042140 raw: 0000000000000000 0000000000040004 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff88801cde3f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88801cde4000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff88801cde4080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88801cde4100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88801cde4180: 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2020/11/01 08:46 | net-next-old | c43fd36f7fec | 8bc4594f | .config | console log | report | syz | C | ci-upstream-net-kasan-gce | |||
2020/10/31 16:43 | net-next-old | 68bb4665a2ce | 8bc4594f | .config | console log | report | syz | C | ci-upstream-net-kasan-gce | |||
2021/01/22 14:15 | upstream | 9f29bd8b2e71 | d4f4eca5 | .config | console log | report | info | ci-upstream-kasan-gce | KASAN: use-after-free Read in decode_session6 | |||
2020/12/21 03:26 | upstream | 6a447b0e3151 | 04201c06 | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | ||||
2020/11/30 15:21 | upstream | b65054597872 | 78d50c1d | .config | console log | report | info | ci-upstream-kasan-gce-root | ||||
2020/11/27 21:10 | upstream | 99c710c46dfc | 486f93ef | .config | console log | report | info | ci-upstream-kasan-gce-root | ||||
2020/09/20 06:35 | upstream | 325d0eab4f31 | 53ce8104 | .config | console log | report | info | ci-upstream-kasan-gce | ||||
2021/01/17 12:07 | net-old | 66c556025d68 | 813be542 | .config | console log | report | info | ci-upstream-net-this-kasan-gce | ||||
2020/11/10 16:48 | net-next-old | 8be33ecfc1ff | cca87986 | .config | console log | report | info | ci-upstream-net-kasan-gce | ||||
2020/11/06 02:53 | net-next-old | b65ca4c38875 | 64069d48 | .config | console log | report | info | ci-upstream-net-kasan-gce | ||||
2020/11/06 00:48 | net-next-old | b65ca4c38875 | 64069d48 | .config | console log | report | info | ci-upstream-net-kasan-gce | ||||
2020/11/05 19:31 | net-next-old | b65ca4c38875 | 64069d48 | .config | console log | report | info | ci-upstream-net-kasan-gce | ||||
2020/11/05 18:23 | net-next-old | b65ca4c38875 | 64069d48 | .config | console log | report | info | ci-upstream-net-kasan-gce | ||||
2020/11/05 14:57 | net-next-old | b65ca4c38875 | 64069d48 | .config | console log | report | info | ci-upstream-net-kasan-gce | ||||
2020/11/05 04:30 | net-next-old | 2c24eefb2462 | 64069d48 | .config | console log | report | info | ci-upstream-net-kasan-gce | ||||
2020/11/05 01:01 | net-next-old | 2c24eefb2462 | 64069d48 | .config | console log | report | info | ci-upstream-net-kasan-gce | ||||
2020/11/04 21:38 | net-next-old | 3fb6928b56f6 | 64069d48 | .config | console log | report | info | ci-upstream-net-kasan-gce | ||||
2020/11/04 20:21 | net-next-old | 3fb6928b56f6 | cba33199 | .config | console log | report | info | ci-upstream-net-kasan-gce | ||||
2020/11/04 12:10 | net-next-old | 3fb6928b56f6 | cba33199 | .config | console log | report | info | ci-upstream-net-kasan-gce | ||||
2020/11/04 10:57 | net-next-old | 3fb6928b56f6 | cba33199 | .config | console log | report | info | ci-upstream-net-kasan-gce | ||||
2020/11/04 02:38 | net-next-old | 6d89076e6ef0 | cba33199 | .config | console log | report | info | ci-upstream-net-kasan-gce | ||||
2020/11/03 18:34 | net-next-old | 6d89076e6ef0 | cba33199 | .config | console log | report | info | ci-upstream-net-kasan-gce | ||||
2020/11/03 17:06 | net-next-old | 6d89076e6ef0 | cba33199 | .config | console log | report | info | ci-upstream-net-kasan-gce | ||||
2020/11/03 15:28 | net-next-old | 760b3d61fb4e | cba33199 | .config | console log | report | info | ci-upstream-net-kasan-gce | ||||
2020/11/03 10:52 | net-next-old | 760b3d61fb4e | cba33199 | .config | console log | report | info | ci-upstream-net-kasan-gce | ||||
2020/11/03 04:35 | net-next-old | 760b3d61fb4e | cba33199 | .config | console log | report | info | ci-upstream-net-kasan-gce | ||||
2020/11/03 01:35 | net-next-old | 760b3d61fb4e | cba33199 | .config | console log | report | info | ci-upstream-net-kasan-gce | ||||
2020/11/02 20:20 | net-next-old | c43fd36f7fec | 8bc4594f | .config | console log | report | info | ci-upstream-net-kasan-gce | ||||
2020/11/02 14:40 | net-next-old | c43fd36f7fec | 8bc4594f | .config | console log | report | info | ci-upstream-net-kasan-gce | ||||
2020/06/29 00:39 | net-next-old | b08866f42a87 | a2cdad9d | .config | console log | report | ci-upstream-net-kasan-gce | |||||
2020/11/05 20:53 | linux-next | 0a6f624a86e7 | 64069d48 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | ||||
2020/11/05 12:31 | linux-next | 0a6f624a86e7 | 64069d48 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | ||||
2020/11/05 10:31 | linux-next | 0a6f624a86e7 | 64069d48 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | ||||
2020/11/05 08:58 | linux-next | 0a6f624a86e7 | 64069d48 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | ||||
2020/11/05 07:50 | linux-next | 0a6f624a86e7 | 64069d48 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | ||||
2020/11/05 07:21 | linux-next | 0a6f624a86e7 | 64069d48 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | ||||
2020/11/05 06:15 | linux-next | cf7cd542d1b5 | 64069d48 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | ||||
2020/11/05 02:01 | linux-next | cf7cd542d1b5 | 64069d48 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | ||||
2020/11/04 23:16 | linux-next | cf7cd542d1b5 | 64069d48 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | ||||
2020/11/04 10:25 | linux-next | cf7cd542d1b5 | cba33199 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | ||||
2020/11/04 09:02 | linux-next | cf7cd542d1b5 | cba33199 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | ||||
2020/11/04 08:02 | linux-next | cf7cd542d1b5 | cba33199 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | ||||
2020/11/04 06:38 | linux-next | cf7cd542d1b5 | cba33199 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | ||||
2020/11/04 04:16 | linux-next | c50585161e79 | cba33199 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | ||||
2020/11/03 11:59 | linux-next | c50585161e79 | cba33199 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | ||||
2020/11/03 09:27 | linux-next | b49976d8ef64 | cba33199 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | ||||
2020/11/03 03:11 | linux-next | b49976d8ef64 | cba33199 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | ||||
2020/11/03 01:54 | linux-next | b49976d8ef64 | cba33199 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | ||||
2020/11/02 17:32 | linux-next | b49976d8ef64 | 8bc4594f | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | ||||
2020/11/02 16:20 | linux-next | b49976d8ef64 | 8bc4594f | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root |