Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KASAN: use-after-free Read in erspan_build_header net | C | 60 | 2468d | 2477d | 4/28 | fixed on 2018/02/01 04:00 |
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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KASAN: use-after-free Read in erspan_build_header net | C | 60 | 2468d | 2477d | 4/28 | fixed on 2018/02/01 04:00 |
IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready 8021q: adding VLAN 0 to HW filter on device batadv0 ================================================================== BUG: KASAN: use-after-free in erspan_build_header+0x392/0x3b0 net/ipv4/ip_gre.c:706 Read of size 2 at addr ffff888095d8200b by task syz-executor200/7112 CPU: 0 PID: 7112 Comm: syz-executor200 Not tainted 4.14.113 #3 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+0x138/0x19c lib/dump_stack.c:53 print_address_description.cold+0x7c/0x1dc mm/kasan/report.c:252 kasan_report_error mm/kasan/report.c:351 [inline] kasan_report mm/kasan/report.c:409 [inline] kasan_report.cold+0xaf/0x2b5 mm/kasan/report.c:393 __asan_report_load_n_noabort+0xf/0x20 mm/kasan/report.c:440 erspan_build_header+0x392/0x3b0 net/ipv4/ip_gre.c:706 erspan_xmit net/ipv4/ip_gre.c:748 [inline] erspan_xmit+0x3ec/0x11c0 net/ipv4/ip_gre.c:725 __netdev_start_xmit include/linux/netdevice.h:4033 [inline] netdev_start_xmit include/linux/netdevice.h:4042 [inline] packet_direct_xmit+0x438/0x640 net/packet/af_packet.c:269 packet_snd net/packet/af_packet.c:2969 [inline] packet_sendmsg+0x31e1/0x5990 net/packet/af_packet.c:2994 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xd0/0x110 net/socket.c:656 ___sys_sendmsg+0x70c/0x850 net/socket.c:2062 __sys_sendmsg+0xb9/0x140 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2103 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x441f99 RSP: 002b:00007ffc8e56aec8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007ffc8e56aef0 RCX: 0000000000441f99 RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 RBP: 0000000000000003 R08: 0000000000000400 R09: 0000000000000400 R10: 0000000000000004 R11: 0000000000000246 R12: 00000000004a9b30 R13: 0000000000403510 R14: 0000000000000000 R15: 0000000000000000 Allocated by task 6389: save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:59 save_stack+0x45/0xd0 mm/kasan/kasan.c:447 set_track mm/kasan/kasan.c:459 [inline] kasan_kmalloc mm/kasan/kasan.c:551 [inline] kasan_kmalloc+0xce/0xf0 mm/kasan/kasan.c:529 kasan_slab_alloc+0xf/0x20 mm/kasan/kasan.c:489 kmem_cache_alloc+0x12e/0x780 mm/slab.c:3552 anon_vma_chain_alloc mm/rmap.c:129 [inline] anon_vma_clone+0xde/0x470 mm/rmap.c:269 anon_vma_fork+0x87/0x4d0 mm/rmap.c:332 dup_mmap kernel/fork.c:669 [inline] dup_mm kernel/fork.c:1199 [inline] copy_mm kernel/fork.c:1253 [inline] copy_process.part.0+0x45a0/0x6950 kernel/fork.c:1755 copy_process kernel/fork.c:1570 [inline] _do_fork+0x19e/0xce0 kernel/fork.c:2058 SYSC_clone kernel/fork.c:2168 [inline] SyS_clone+0x37/0x50 kernel/fork.c:2162 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289 entry_SYSCALL_64_after_hwframe+0x42/0xb7 Freed by task 6390: save_stack_trace+0x16/0x20 arch/x86/kernel/stacktrace.c:59 save_stack+0x45/0xd0 mm/kasan/kasan.c:447 set_track mm/kasan/kasan.c:459 [inline] kasan_slab_free+0x75/0xc0 mm/kasan/kasan.c:524 __cache_free mm/slab.c:3496 [inline] kmem_cache_free+0x83/0x2b0 mm/slab.c:3758 anon_vma_chain_free mm/rmap.c:134 [inline] unlink_anon_vmas+0x2a4/0x800 mm/rmap.c:401 free_pgtables+0x183/0x2b0 mm/memory.c:643 exit_mmap+0x294/0x4e0 mm/mmap.c:3058 __mmput kernel/fork.c:926 [inline] mmput+0x114/0x440 kernel/fork.c:947 exec_mmap fs/exec.c:1039 [inline] flush_old_exec+0x8c0/0x1b50 fs/exec.c:1271 load_elf_binary+0x88e/0x4ba0 fs/binfmt_elf.c:855 search_binary_handler fs/exec.c:1638 [inline] search_binary_handler+0x14f/0x700 fs/exec.c:1616 exec_binprm fs/exec.c:1680 [inline] do_execveat_common.isra.0+0xffd/0x1dd0 fs/exec.c:1802 do_execve fs/exec.c:1847 [inline] SYSC_execve fs/exec.c:1928 [inline] SyS_execve+0x39/0x50 fs/exec.c:1923 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289 entry_SYSCALL_64_after_hwframe+0x42/0xb7 The buggy address belongs to the object at ffff888095d82000 which belongs to the cache anon_vma_chain of size 80 The buggy address is located 11 bytes inside of 80-byte region [ffff888095d82000, ffff888095d82050) The buggy address belongs to the page: page:ffffea0002576080 count:1 mapcount:0 mapping:ffff888095d82000 index:0x0 flags: 0x1fffc0000000100(slab) raw: 01fffc0000000100 ffff888095d82000 0000000000000000 0000000100000024 raw: ffffea0002539d60 ffffea00024f49a0 ffff8880aa810940 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff888095d81f00: fb fb fb fb fb fb fc fc fc fc fb fb fb fb fb fb ffff888095d81f80: fb fb fb fb fc fc fc fc fc fc fc fc fc fc fc fc >ffff888095d82000: fb fb fb fb fb fb fb fb fb fb fc fc fc fc fb fb ^ ffff888095d82080: fb fb fb fb fb fb fb fb fc fc fc fc fb fb fb fb ffff888095d82100: fb fb fb fb fb fb fc fc fc fc fb fb fb fb fb fb ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2019/04/24 20:29 | linux-4.14.y | 68d7a45eec10 | 8e3c52b1 | .config | console log | report | syz | C | ci2-linux-4-14 | |||
2019/04/23 08:05 | linux-4.14.y | 68d7a45eec10 | 53199d6e | .config | console log | report | syz | C | ci2-linux-4-14 | |||
2019/04/11 13:11 | linux-4.14.y | 1ec8f1f0bffe | e955ac50 | .config | console log | report | syz | C | ci2-linux-4-14 | |||
2019/04/11 13:00 | linux-4.14.y | 1ec8f1f0bffe | e955ac50 | .config | console log | report | syz | C | ci2-linux-4-14 | |||
2019/05/15 17:29 | linux-4.14.y | 2af67d29b6fe | bd4e3ac7 | .config | console log | report | ci2-linux-4-14 | |||||
2019/05/03 12:07 | linux-4.14.y | 1c046f373132 | 1bfa09b9 | .config | console log | report | ci2-linux-4-14 | |||||
2019/05/03 07:59 | linux-4.14.y | 1c046f373132 | 1bfa09b9 | .config | console log | report | ci2-linux-4-14 | |||||
2019/04/25 05:33 | linux-4.14.y | 68d7a45eec10 | 8e3c52b1 | .config | console log | report | ci2-linux-4-14 | |||||
2019/04/24 20:10 | linux-4.14.y | 68d7a45eec10 | 8e3c52b1 | .config | console log | report | ci2-linux-4-14 | |||||
2019/04/21 20:52 | linux-4.14.y | 68d7a45eec10 | b0e8efcb | .config | console log | report | ci2-linux-4-14 | |||||
2019/04/19 14:25 | linux-4.14.y | 58b454ebf81e | b0e8efcb | .config | console log | report | ci2-linux-4-14 | |||||
2019/04/19 07:33 | linux-4.14.y | 58b454ebf81e | b0e8efcb | .config | console log | report | ci2-linux-4-14 | |||||
2019/04/18 03:28 | linux-4.14.y | 58b454ebf81e | b0e8efcb | .config | console log | report | ci2-linux-4-14 | |||||
2019/04/18 03:22 | linux-4.14.y | 58b454ebf81e | b0e8efcb | .config | console log | report | ci2-linux-4-14 | |||||
2019/04/18 03:22 | linux-4.14.y | 58b454ebf81e | b0e8efcb | .config | console log | report | ci2-linux-4-14 | |||||
2019/04/18 03:20 | linux-4.14.y | 58b454ebf81e | b0e8efcb | .config | console log | report | ci2-linux-4-14 | |||||
2019/04/12 15:49 | linux-4.14.y | 1ec8f1f0bffe | 4f421599 | .config | console log | report | ci2-linux-4-14 | |||||
2019/04/11 12:22 | linux-4.14.y | 1ec8f1f0bffe | e955ac50 | .config | console log | report | ci2-linux-4-14 |