syzbot


WARNING in __vunmap

Status: upstream: reported C repro on 2019/02/16 07:01
Reported-by: syzbot+5ec9bb042ddfe9644773@syzkaller.appspotmail.com
First crash: 1547d, last: 19d

Cause bisection: failed (bisect log)

Fix bisection: failed (bisect log)
similar bugs (2):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 WARNING in __vunmap 3 933d 1012d 0/1 auto-closed as invalid on 2020/05/25 23:55
linux-4.19 WARNING in __vunmap (2) syz error 19 58d 708d 0/1 upstream: reported syz repro on 2020/09/07 13:09
Patch testing requests:
Created Duration User Patch Repo Result
2019/09/12 17:00 16m xiyou.wangcong@gmail.com https://github.com/congwang/linux.git xfrm2 report log
2019/09/12 00:29 16m xiyou.wangcong@gmail.com https://github.com/congwang/linux.git xfrm OK

Sample crash report:
------------[ cut here ]------------
Trying to vfree() nonexistent vm area (ffffc90002bc9000)
WARNING: CPU: 0 PID: 8497 at mm/vmalloc.c:2567 __vunmap+0x150/0xb70 mm/vmalloc.c:2567
Modules linked in:
CPU: 1 PID: 8497 Comm: syz-executor174 Not tainted 5.14.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__vunmap+0x150/0xb70 mm/vmalloc.c:2567
Code: 85 78 ff ff ff e8 20 b0 c4 ff 48 c7 c7 c0 7c a9 8b e8 44 ed 7b 07 e8 0f b0 c4 ff 4c 89 e6 48 c7 c7 e0 bb 96 89 e8 c1 05 37 07 <0f> 0b 48 83 c4 38 5b 5d 41 5c 41 5d 41 5e 41 5f e9 eb af c4 ff e8
RSP: 0018:ffffc900023b72d8 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff888028c00000 RSI: ffffffff815d7935 RDI: fffff52000476e4d
RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff815d176e R11: 0000000000000000 R12: ffffc90002bc9000
R13: ffff8880253d20c0 R14: ffffc90002bc9000 R15: ffffe8ffffc338a8
FS:  00007fcdcc063700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcdcc084718 CR3: 00000000159f1000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 __vfree+0x3c/0xd0 mm/vmalloc.c:2635
 vfree+0x5a/0x90 mm/vmalloc.c:2666
 ipcomp_free_scratches+0xc4/0x160 net/xfrm/xfrm_ipcomp.c:203
 ipcomp_free_data net/xfrm/xfrm_ipcomp.c:312 [inline]
 ipcomp_init_state+0x77c/0xa40 net/xfrm/xfrm_ipcomp.c:364
 ipcomp6_init_state+0xc2/0x700 net/ipv6/ipcomp6.c:154
 __xfrm_init_state+0x995/0x15c0 net/xfrm/xfrm_state.c:2648
 xfrm_state_construct net/xfrm/xfrm_user.c:627 [inline]
 xfrm_add_sa+0x1ef1/0x35f0 net/xfrm/xfrm_user.c:684
 xfrm_user_rcv_msg+0x42c/0x8b0 net/xfrm/xfrm_user.c:2812
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2504
 xfrm_netlink_rcv+0x6b/0x90 net/xfrm/xfrm_user.c:2824
 netlink_unicast_kernel net/netlink/af_netlink.c:1314 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1340
 netlink_sendmsg+0x86d/0xdb0 net/netlink/af_netlink.c:1929
 sock_sendmsg_nosec net/socket.c:703 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:723
 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2392
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2446
 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2475
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x445b99
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 11 15 00 00 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fcdcc063318 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00000000004ca428 RCX: 0000000000445b99
RDX: 0000000000000000 RSI: 0000000020000800 RDI: 0000000000000004
RBP: 00000000004ca420 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004ca42c
R13: 00007ffec83642cf R14: 00007fcdcc063400 R15: 0000000000022000

Crashes (153):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce 2021/08/04 05:34 upstream d5ad8ec3cfb5 6c236867 .config log report syz C WARNING in __vunmap
ci-upstream-kasan-gce-root 2021/10/26 04:47 upstream c2b43854aad9 c1132b49 .config log report syz WARNING in __vunmap
ci-upstream-kasan-gce 2021/09/01 13:33 upstream 9c849ce86e0f 7eb7e152 .config log report syz WARNING in __vunmap
ci-upstream-kasan-gce-selinux-root 2021/07/19 19:09 upstream 2734d6c1b1a0 e6a17580 .config log report syz WARNING in __vunmap
ci-upstream-kasan-gce-smack-root 2021/06/06 22:18 upstream f5b6eb1e0182 500c2339 .config log report syz WARNING in __vunmap
ci-upstream-kasan-gce-root 2021/06/02 20:30 upstream 231bc5390667 0740de69 .config log report syz WARNING in __vunmap
ci-upstream-kasan-gce-selinux-root 2021/03/30 09:12 upstream 1e43c377a79f 6a81331a .config log report syz WARNING in __vunmap
ci-upstream-kasan-gce-smack-root 2021/02/18 15:00 upstream f40ddce88593 14052202 .config log report syz WARNING in __vunmap
ci-upstream-kasan-gce 2021/01/23 16:21 upstream fe75a21824e7 52e37319 .config log report syz WARNING in __vunmap
ci-upstream-net-this-kasan-gce 2021/06/01 04:52 net 593f555fbc60 032639db .config log report syz WARNING in __vunmap
ci-upstream-linux-next-kasan-gce-root 2021/06/28 00:03 linux-next a1f92694393a 9d2ab5df .config log report syz WARNING in __vunmap
ci-upstream-linux-next-kasan-gce-root 2021/04/06 04:06 linux-next 454c576c3f5e 6a81331a .config log report syz WARNING in __vunmap
ci-upstream-kasan-gce-root 2020/08/11 15:51 upstream 00e4db51259a bacaf5fa .config log report syz
ci-upstream-kasan-gce-root 2019/09/12 22:20 upstream ad32b4800c2b 0b7672ee .config log report syz
ci-upstream-kasan-gce 2019/09/12 10:40 upstream 3120b9a6a3f7 f4e53c10 .config log report syz
ci-upstream-kasan-gce-selinux-root 2019/09/11 09:45 upstream 3120b9a6a3f7 a60cb4cd .config log report syz
ci-upstream-kasan-gce-smack-root 2019/09/08 07:04 upstream b3a9964cfa69 a60cb4cd .config log report syz
ci-upstream-net-this-kasan-gce 2020/08/07 15:37 net 8912fd6a61d7 cb436c69 .config log report syz
ci-upstream-net-this-kasan-gce 2019/09/11 10:13 net f794dc2304d8 a60cb4cd .config log report syz
ci-upstream-net-kasan-gce 2020/08/07 18:32 net-next bfdd5aaa54b0 cb436c69 .config log report syz
ci-upstream-linux-next-kasan-gce-root 2020/08/13 07:20 linux-next bc09acc9f224 bc15f7db .config log report syz
ci-upstream-kasan-gce-root 2022/07/29 06:16 upstream 33ea1340bafe fb95c74d .config log report info WARNING in __vunmap
ci-upstream-kasan-gce-selinux-root 2022/06/30 23:27 upstream 1a0e93df1e10 1434eec0 .config log report info WARNING in __vunmap
ci-upstream-kasan-gce-root 2022/06/03 22:07 upstream 50fd82b3a9a9 eee80d3c .config log report info WARNING in __vunmap
ci-upstream-kasan-gce-selinux-root 2022/04/30 07:09 upstream 8013d1d3d2e3 ad6b95d8 .config log report info WARNING in __vunmap
ci-upstream-kasan-gce-root 2022/04/14 12:55 upstream a19944809fe9 b17b2923 .config log report info WARNING in __vunmap
ci-upstream-kasan-gce-smack-root 2021/12/07 17:28 upstream cd8c917a56f2 0230ba3e .config log report info WARNING in __vunmap
ci-upstream-kasan-gce 2021/11/07 23:57 upstream b5013d084e03 4c1be0be .config log report info WARNING in __vunmap
ci-upstream-kasan-gce-smack-root 2021/10/27 06:59 upstream d25f27432f80 d50eb50a .config log report info WARNING in __vunmap
ci-upstream-kasan-gce-root 2021/10/03 07:58 upstream 7b66f4393ad4 db0f5787 .config log report info WARNING in __vunmap
ci-upstream-kasan-gce-selinux-root 2021/09/10 12:44 upstream bf9f243f23e6 5ae8508a .config log report info WARNING in __vunmap
ci-upstream-kasan-gce-smack-root 2021/09/04 00:34 upstream 7cca308cfdc0 d236a457 .config log report info WARNING in __vunmap
ci-upstream-kasan-gce-root 2021/08/22 23:32 upstream 1bdc3d5be7e1 b599f2fc .config log report info WARNING in __vunmap
ci-upstream-kasan-gce-selinux-root 2021/07/19 05:21 upstream 2734d6c1b1a0 f115ae98 .config log report info WARNING in __vunmap
ci-upstream-kasan-gce-selinux-root 2021/07/16 15:57 upstream d936eb238744 f115ae98 .config log report info WARNING in __vunmap
ci-upstream-kasan-gce-selinux-root 2021/07/13 22:07 upstream 40226a3d96ef fa0594c3 .config log report info WARNING in __vunmap
ci-upstream-kasan-gce-smack-root 2021/06/22 20:56 upstream 0c18f29aae7c aba2b2fb .config log report info WARNING in __vunmap
ci-upstream-kasan-gce 2021/04/27 09:14 upstream 4a0225c3d208 805b5003 .config log report info WARNING in __vunmap
ci-qemu-upstream-386 2021/11/16 23:00 upstream 8ab774587903 cafff8b6 .config log report info WARNING in __vunmap
ci-upstream-kasan-gce-386 2021/04/27 05:46 upstream 4a0225c3d208 805b5003 .config log report info WARNING in __vunmap
ci-upstream-kasan-gce-386 2021/04/19 08:48 upstream bf05bf16c76b 7e2b734b .config log report info WARNING in __vunmap
ci-upstream-kasan-gce-386 2021/04/17 22:24 upstream 194cf4825638 7e2b734b .config log report info WARNING in __vunmap
ci-upstream-kasan-gce-386 2021/04/07 04:46 upstream 2d743660786e 6a81331a .config log report info WARNING in __vunmap
ci-upstream-net-this-kasan-gce 2022/01/29 11:23 net 6449520391df 495e00c5 .config log report info WARNING in __vunmap
ci-upstream-net-this-kasan-gce 2021/12/05 12:59 net 2be6d4d16a08 a617004c .config log report info WARNING in __vunmap
ci-upstream-net-this-kasan-gce 2021/12/02 17:49 net a37a0ee4d25c 61f86278 .config log report info WARNING in __vunmap
ci-upstream-net-this-kasan-gce 2021/10/18 01:44 net fac3cb82a54a 0c5d9412 .config log report info WARNING in __vunmap
ci-upstream-net-this-kasan-gce 2021/10/09 05:28 net 1b1499a817c9 efe0f24d .config log report info WARNING in __vunmap
ci-upstream-net-this-kasan-gce 2021/09/27 05:16 net b193e15ac69d 78494d16 .config log report info WARNING in __vunmap
ci-upstream-net-this-kasan-gce 2021/08/30 08:00 net 57f780f1c433 be2c130d .config log report info WARNING in __vunmap
ci-upstream-net-this-kasan-gce 2021/05/25 00:39 net 4dd649d130c6 3c7fef33 .config log report info WARNING in __vunmap
ci-upstream-net-kasan-gce 2022/07/25 06:26 net-next 3c47fb2f4c4d 22343af4 .config log report info WARNING in __vunmap
ci-upstream-net-kasan-gce 2022/06/11 12:18 net-next e10b02ee5b6c 0d5abf15 .config log report info WARNING in __vunmap
ci-upstream-net-kasan-gce 2022/01/15 16:27 net-next fe8152b38d3a 723cfaf0 .config log report info WARNING in __vunmap
ci-upstream-net-kasan-gce 2021/12/06 18:34 net-next ce83278f313c 579a8754 .config log report info WARNING in __vunmap
ci-upstream-net-kasan-gce 2021/10/28 12:22 net-next 911e3a46fb38 be531bb4 .config log report info WARNING in __vunmap
ci-upstream-net-kasan-gce 2021/10/19 19:20 net-next cb3dc8901ba4 466b7db1 .config log report info WARNING in __vunmap
ci-upstream-net-kasan-gce 2021/09/16 01:38 net-next 5706383b30cf 07e953c1 .config log report info WARNING in __vunmap
ci-upstream-net-kasan-gce 2021/09/05 15:56 net-next 29ce8f970107 d236a457 .config log report info WARNING in __vunmap
ci-upstream-net-kasan-gce 2021/08/15 16:39 net-next e4637f621203 2489ab88 .config log report info WARNING in __vunmap
ci-upstream-net-kasan-gce 2021/06/03 20:13 net-next 270d47dc1fc4 0740de69 .config log report info WARNING in __vunmap
ci-upstream-net-kasan-gce 2021/05/26 23:16 net-next c7a551b2e44a 858ea628 .config log report info WARNING in __vunmap
ci-upstream-net-kasan-gce 2021/05/10 22:52 net-next 48de7c0c1c92 ca873091 .config log report info WARNING in __vunmap
ci-upstream-net-kasan-gce 2021/04/29 08:16 net-next 95aafe911db6 77e2b668 .config log report info WARNING in __vunmap
ci-upstream-net-kasan-gce 2021/04/07 17:02 net-next be107538c529 6a81331a .config log report info WARNING in __vunmap
ci-upstream-linux-next-kasan-gce-root 2022/05/18 01:20 linux-next 3f7bdc402fb0 744a39e2 .config log report info WARNING in __vunmap
ci-upstream-linux-next-kasan-gce-root 2022/04/22 06:17 linux-next f1244c81da13 2738b391 .config log report info WARNING in __vunmap
ci-upstream-linux-next-kasan-gce-root 2022/03/14 05:39 linux-next 91265a6da44d 9e8eaa75 .config log report info WARNING in __vunmap
ci-upstream-linux-next-kasan-gce-root 2022/03/11 06:35 linux-next 91265a6da44d 9e8eaa75 .config log report info WARNING in __vunmap
ci-upstream-linux-next-kasan-gce-root 2022/03/11 03:22 linux-next 91265a6da44d 9e8eaa75 .config log report info WARNING in __vunmap
ci-upstream-linux-next-kasan-gce-root 2021/12/05 06:01 linux-next f81e94e91878 a617004c .config log report info WARNING in __vunmap
ci-upstream-linux-next-kasan-gce-root 2021/09/29 01:16 linux-next bf5b1e621a51 d82cb927 .config log report info WARNING in __vunmap
ci-upstream-linux-next-kasan-gce-root 2021/07/30 02:36 linux-next 4ccc9e2db7ac c585c7b0 .config log report info WARNING in __vunmap
ci-upstream-kasan-gce-root 2018/05/22 18:50 upstream a048a07d7f45 f48c20b8 .config log report
ci-upstream-linux-next-kasan-gce-root 2021/01/11 12:56 linux-next ef8b014ee4a1 2c1f2513 .config log report info