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possible deadlock in do_ip_getsockopt

Status: fixed on 2018/02/04 23:45
Subsystems: netfilter
[Documentation on labels]
Reported-by: syzbot+c6ac05d30245e21f783b@syzkaller.appspotmail.com
Fix commit: 3f34cfae1238 netfilter: on sockopt() acquire sock lock only in the required scope
First crash: 2280d, last: 2274d
▶ ▼ Duplicate bugs (4)
duplicates (4):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
possible deadlock in do_ip_setsockopt netfilter C 467 2272d 2280d 0/26 closed as dup on 2018/01/30 13:58
possible deadlock in do_ipv6_setsockopt netfilter C 109 2273d 2280d 22/26 closed as dup on 2018/01/30 13:59
possible deadlock in xt_find_revision netfilter 2 2279d 2279d 0/26 closed as dup on 2018/01/30 09:08
possible deadlock in xt_find_table_lock netfilter 2 2276d 2277d 0/26 closed as dup on 2018/01/30 09:07
▶ ▼ Discussions (1)
Title Replies (including bot) Last reply
possible deadlock in do_ip_getsockopt 2 (3) 2018/02/01 18:04
▶ ▼ Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-49 possible deadlock in do_ip_getsockopt 4 2121d 2157d 0/3 auto-closed as invalid on 2019/02/22 14:29
upstream possible deadlock in do_ip_getsockopt (2) netfilter 206 2252d 2267d 4/26 fixed on 2018/02/26 20:04

Sample crash report:
======================================================
WARNING: possible circular locking dependency detected
4.15.0+ #292 Not tainted
------------------------------------------------------
syz-executor6/6384 is trying to acquire lock:
 (sk_lock-AF_INET){+.+.}, at: [<000000007e500263>] lock_sock include/net/sock.h:1461 [inline]
 (sk_lock-AF_INET){+.+.}, at: [<000000007e500263>] do_ip_getsockopt+0x1b3/0x2170 net/ipv4/ip_sockglue.c:1335

but task is already holding lock:
 (rtnl_mutex){+.+.}, at: [<00000000d5685599>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:74

which lock already depends on the new lock.


the existing dependency chain (in reverse order) is:

-> #1 (rtnl_mutex){+.+.}:
       __mutex_lock_common kernel/locking/mutex.c:756 [inline]
       __mutex_lock+0x16f/0x1a80 kernel/locking/mutex.c:893
       mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908
       rtnl_lock+0x17/0x20 net/core/rtnetlink.c:74
       register_netdevice_notifier+0xad/0x860 net/core/dev.c:1607
       tee_tg_check+0x1a0/0x280 net/netfilter/xt_TEE.c:106
       xt_check_target+0x22c/0x7d0 net/netfilter/x_tables.c:845
       check_target net/ipv4/netfilter/ip_tables.c:513 [inline]
       find_check_entry.isra.8+0x8c8/0xcb0 net/ipv4/netfilter/ip_tables.c:554
       translate_table+0xed1/0x1610 net/ipv4/netfilter/ip_tables.c:725
       do_replace net/ipv4/netfilter/ip_tables.c:1141 [inline]
       do_ipt_set_ctl+0x370/0x5f0 net/ipv4/netfilter/ip_tables.c:1675
       nf_sockopt net/netfilter/nf_sockopt.c:106 [inline]
       nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115
       ip_setsockopt+0xa1/0xb0 net/ipv4/ip_sockglue.c:1260
       sctp_setsockopt+0x2b6/0x61d0 net/sctp/socket.c:4104
       sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2978
       SYSC_setsockopt net/socket.c:1849 [inline]
       SyS_setsockopt+0x189/0x360 net/socket.c:1828
       entry_SYSCALL_64_fastpath+0x29/0xa0

-> #0 (sk_lock-AF_INET){+.+.}:
       lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:3920
       lock_sock_nested+0xc2/0x110 net/core/sock.c:2780
       lock_sock include/net/sock.h:1461 [inline]
       do_ip_getsockopt+0x1b3/0x2170 net/ipv4/ip_sockglue.c:1335
       ip_getsockopt+0x90/0x220 net/ipv4/ip_sockglue.c:1566
       tcp_getsockopt+0x82/0xd0 net/ipv4/tcp.c:3359
       sock_common_getsockopt+0x95/0xd0 net/core/sock.c:2937
       SYSC_getsockopt net/socket.c:1880 [inline]
       SyS_getsockopt+0x178/0x340 net/socket.c:1862
       entry_SYSCALL_64_fastpath+0x29/0xa0

other info that might help us debug this:

 Possible unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock(rtnl_mutex);
                               lock(sk_lock-AF_INET);
                               lock(rtnl_mutex);
  lock(sk_lock-AF_INET);

 *** DEADLOCK ***

1 lock held by syz-executor6/6384:
 #0:  (rtnl_mutex){+.+.}, at: [<00000000d5685599>] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:74

stack backtrace:
CPU: 1 PID: 6384 Comm: syz-executor6 Not tainted 4.15.0+ #292
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+0x194/0x257 lib/dump_stack.c:53
 print_circular_bug.isra.38+0x2cd/0x2dc kernel/locking/lockdep.c:1223
 check_prev_add kernel/locking/lockdep.c:1863 [inline]
 check_prevs_add kernel/locking/lockdep.c:1976 [inline]
 validate_chain kernel/locking/lockdep.c:2417 [inline]
 __lock_acquire+0x30a8/0x3e00 kernel/locking/lockdep.c:3431
 lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:3920
 lock_sock_nested+0xc2/0x110 net/core/sock.c:2780
 lock_sock include/net/sock.h:1461 [inline]
 do_ip_getsockopt+0x1b3/0x2170 net/ipv4/ip_sockglue.c:1335
 ip_getsockopt+0x90/0x220 net/ipv4/ip_sockglue.c:1566
 tcp_getsockopt+0x82/0xd0 net/ipv4/tcp.c:3359
 sock_common_getsockopt+0x95/0xd0 net/core/sock.c:2937
 SYSC_getsockopt net/socket.c:1880 [inline]
 SyS_getsockopt+0x178/0x340 net/socket.c:1862
 entry_SYSCALL_64_fastpath+0x29/0xa0
RIP: 0033:0x453299
RSP: 002b:00007f08eb710c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000037
RAX: ffffffffffffffda RBX: 000000000071bea0 RCX: 0000000000453299
RDX: 0000000000000029 RSI: 0000000000000000 RDI: 0000000000000014
RBP: 000000000000055e R08: 0000000020745000 R09: 0000000000000000
R10: 0000000020000000 R11: 0000000000000212 R12: 00000000006f7170
R13: 00000000ffffffff R14: 00007f08eb7116d4 R15: 0000000000000000
ip_tables: iptables: counters copy to user failed while replacing table
ip_tables: iptables: counters copy to user failed while replacing table
TCP: request_sock_TCP: Possible SYN flooding on port 20030. Sending cookies.  Check SNMP counters.
QAT: Invalid ioctl
QAT: Invalid ioctl
device syz2 entered promiscuous mode
device eql entered promiscuous mode
device eql entered promiscuous mode
netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'.
netlink: 'syz-executor6': attribute type 5 has an invalid length.
netlink: 3 bytes leftover after parsing attributes in process `syz-executor6'.
netlink: 'syz-executor6': attribute type 5 has an invalid length.
QAT: Invalid ioctl
QAT: Invalid ioctl
netlink: 'syz-executor3': attribute type 1 has an invalid length.
openvswitch: netlink: Flow actions attr not present in new flow.
openvswitch: netlink: Flow actions attr not present in new flow.
SELinux: failed to load policy
SELinux:  policydb magic number 0x3a58fbeb does not match expected magic number 0xf97cff8c
SELinux: failed to load policy
NFS: bad mount option value specified: vs
SELinux: failed to load policy
SELinux:  policydb magic number 0x3a58fbeb does not match expected magic number 0xf97cff8c
SELinux: failed to load policy
NFS: bad mount option value specified: vs
PPPIOCDETACH file->f_count=2
PPPIOCDETACH file->f_count=2
device syz6 entered promiscuous mode
kauditd_printk_skb: 60 callbacks suppressed
audit: type=1400 audit(1517586539.688:141): avc:  denied  { bind } for  pid=7099 comm="syz-executor2" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1
device eql entered promiscuous mode
audit: type=1326 audit(1517586539.927:142): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=7171 comm="syz-executor5" exe="/root/syz-executor5" sig=9 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x0
audit: type=1326 audit(1517586540.011:143): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=7171 comm="syz-executor5" exe="/root/syz-executor5" sig=9 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x0
audit: type=1326 audit(1517586540.089:144): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=7219 comm="syz-executor5" exe="/root/syz-executor5" sig=9 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x0
audit: type=1326 audit(1517586540.580:145): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=7232 comm="syz-executor5" exe="/root/syz-executor5" sig=0 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x7ffc0000
audit: type=1326 audit(1517586540.580:146): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=7232 comm="syz-executor5" exe="/root/syz-executor5" sig=0 arch=c000003e syscall=149 compat=0 ip=0x453299 code=0x7ffc0000
audit: type=1326 audit(1517586540.580:147): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=7232 comm="syz-executor5" exe="/root/syz-executor5" sig=0 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x7ffc0000
audit: type=1326 audit(1517586540.580:148): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=7232 comm="syz-executor5" exe="/root/syz-executor5" sig=0 arch=c000003e syscall=321 compat=0 ip=0x453299 code=0x7ffc0000
audit: type=1326 audit(1517586540.580:149): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=7232 comm="syz-executor5" exe="/root/syz-executor5" sig=0 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x7ffc0000
audit: type=1326 audit(1517586540.580:150): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=7232 comm="syz-executor5" exe="/root/syz-executor5" sig=0 arch=c000003e syscall=64 compat=0 ip=0x453299 code=0x7ffc0000
QAT: Invalid ioctl
xt_SECMARK: invalid mode: 0
xt_SECMARK: invalid mode: 0
rfkill: input handler disabled
rfkill: input handler enabled
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=18 sclass=netlink_audit_socket pig=7555 comm=syz-executor2
*** Guest State ***
CR0: actual=0x0000000000000031, shadow=0x0000000060000011, gh_mask=fffffffffffffff7
CR4: actual=0x0000000000242459, shadow=0x0000000000240409, gh_mask=ffffffffffffe871
CR3 = 0x00000000fffbc000
RSP = 0x0000000000000f80  RIP = 0x0000000000000000
RFLAGS=0x00000002         DR7 = 0x0000000000000400
Sysenter RSP=0000000000000f80 CS:RIP=0030:0000000000002810
CS:   sel=0x0030, attr=0x0409b, limit=0x000fffff, base=0x0000000000000000
DS:   sel=0x0038, attr=0x04093, limit=0x000fffff, base=0x0000000000000000
SS:   sel=0x0038, attr=0x04093, limit=0x000fffff, base=0x0000000000000000
*** Guest State ***
ES:   sel=0x0038, attr=0x04093, limit=0x000fffff, base=0x0000000000000000
CR0: actual=0x0000000000000031, shadow=0x0000000060000011, gh_mask=fffffffffffffff7
FS:   sel=0x0038, attr=0x04093, limit=0x000fffff, base=0x0000000000000000
CR4: actual=0x0000000000242459, shadow=0x0000000000240409, gh_mask=ffffffffffffe871
GS:   sel=0x0038, attr=0x04093, limit=0x000fffff, base=0x0000000000000000
GDTR:                           limit=0x000007ff, base=0x0000000000001000
LDTR: sel=0x0008, attr=0x04082, limit=0x000007ff, base=0x0000000000001800
CR3 = 0x00000000fffbc000
IDTR:                           limit=0x000001ff, base=0x0000000000003800
TR:   sel=0x0000, attr=0x0008b, limit=0x0000ffff, base=0x0000000000000000
RSP = 0x0000000000000f80  RIP = 0x0000000000000000
RFLAGS=0x00000002         DR7 = 0x0000000000000400
EFER =     0x0000000000000001  PAT = 0x0007040600070406
DebugCtl = 0x0000000000000000  DebugExceptions = 0x0000000000000000
Interruptibility = 00000000  ActivityState = 00000000
Sysenter RSP=0000000000000f80 CS:RIP=0030:0000000000002810
*** Host State ***
RIP = 0xffffffff811bdff4  RSP = 0xffff8801ca17f508
CS:   sel=0x0030, attr=0x0409b, limit=0x000fffff, base=0x0000000000000000
CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040
DS:   sel=0x0038, attr=0x04093, limit=0x000fffff, base=0x0000000000000000
FSBase=00007fd4a0c63700 GSBase=ffff8801db500000 TRBase=fffffe0000034000
GDTBase=fffffe0000032000 IDTBase=fffffe0000000000
SS:   sel=0x0038, attr=0x04093, limit=0x000fffff, base=0x0000000000000000
CR0=0000000080050033 CR3=00000001ca230002 CR4=00000000001626e0
ES:   sel=0x0038, attr=0x04093, limit=0x000fffff, base=0x0000000000000000
Sysenter RSP=fffffe0000033200 CS:RIP=0010:ffffffff85a01b70
FS:   sel=0x0038, attr=0x04093, limit=0x000fffff, base=0x0000000000000000
EFER = 0x0000000000000d01  PAT = 0x0000000000000000
*** Control State ***
GS:   sel=0x0038, attr=0x04093, limit=0x000fffff, base=0x0000000000000000
PinBased=0000003f CPUBased=b699edfa SecondaryExec=000000ca
EntryControls=0000d1ff ExitControls=0023efff
GDTR:                           limit=0x000007ff, base=0x0000000000001000
ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000
LDTR: sel=0x0008, attr=0x04082, limit=0x000007ff, base=0x0000000000001800
VMEntry: intr_info=00000000 errcode=00000000 ilen=00000000
VMExit: intr_info=00000000 errcode=00000000 ilen=00000000
IDTR:                           limit=0x000001ff, base=0x0000000000003800
        reason=80000021 qualification=0000000000000000
IDTVectoring: info=00000000 errcode=00000000
TSC Offset = 0xffffffdf6f0ef751
EPT pointer = 0x00000001c40da01e
TR:   sel=0x0000, attr=0x0008b, limit=0x0000ffff, base=0x0000000000000000
EFER =     0x0000000000000001  PAT = 0x0007040600070406
DebugCtl = 0x0000000000000000  DebugExceptions = 0x0000000000000000
Interruptibility = 00000000  ActivityState = 00000000
*** Host State ***
RIP = 0xffffffff811bdff4  RSP = 0xffff8801d4257508
CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040
FSBase=00007fd4a0c20700 GSBase=ffff8801db400000 TRBase=fffffe0000003000
GDTBase=fffffe0000001000 IDTBase=fffffe0000000000
CR0=0000000080050033 CR3=00000001ca230001 CR4=00000000001626f0
Sysenter RSP=fffffe0000002200 CS:RIP=0010:ffffffff85a01b70
EFER = 0x0000000000000d01  PAT = 0x0000000000000000
*** Control State ***
PinBased=0000003f CPUBased=b699edfa SecondaryExec=000000ca
EntryControls=0000d1ff ExitControls=0023efff
ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000
VMEntry: intr_info=00000000 errcode=00000000 ilen=00000000
VMExit: intr_info=00000000 errcode=00000000 ilen=00000000
        reason=80000021 qualification=0000000000000000
IDTVectoring: info=00000000 errcode=00000000
TSC Offset = 0xffffffdf65220ff6
EPT pointer = 0x00000001b205701e
IPVS: ftp: loaded support on port[0] = 21
IPVS: ftp: loaded support on port[0] = 21
binder: 7842:7853 Acquire 1 refcount change on invalid ref 0 ret -22
binder: 7842:7853 ioctl c0306201 2000a000 returned -11
binder: 7842:7869 Acquire 1 refcount change on invalid ref 0 ret -22
netlink: 204 bytes leftover after parsing attributes in process `syz-executor2'.
netlink: 204 bytes leftover after parsing attributes in process `syz-executor2'.
syz-executor4 (8035): /proc/8034/oom_adj is deprecated, please use /proc/8034/oom_score_adj instead.
kauditd_printk_skb: 51 callbacks suppressed
audit: type=1400 audit(1517586545.084:202): avc:  denied  { shutdown } for  pid=8050 comm="syz-executor6" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1
*** Guest State ***
CR0: actual=0x0000000000000030, shadow=0x0000000060000010, gh_mask=fffffffffffffff7
CR4: actual=0x0000000000002050, shadow=0x0000000000000000, gh_mask=ffffffffffffe871
CR3 = 0x00000000fffbc000
RSP = 0x0000000000000000  RIP = 0x000000000000fff0
RFLAGS=0x00000002         DR7 = 0x0000000000000400
Sysenter RSP=0000000000000000 CS:RIP=0000:0000000000000000
CS:   sel=0xf000, attr=0x0009b, limit=0x0000ffff, base=0x00000000ffff0000
DS:   sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000
SS:   sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000
ES:   sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000
FS:   sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000
GS:   sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000
GDTR:                           limit=0x0000ffff, base=0x0000000000000000
LDTR: sel=0x0000, attr=0x00082, limit=0x0000ffff, base=0x0000000000000000
IDTR:                           limit=0x0000ffff, base=0x0000000000000000
TR:   sel=0x0000, attr=0x0008b, limit=0x0000ffff, base=0x0000000000000000
EFER =     0x0000000000000000  PAT = 0x0007040600070406
DebugCtl = 0x0000000000000000  DebugExceptions = 0x0000000000000000
Interruptibility = 00000001  ActivityState = 00000000
*** Host State ***
RIP = 0xffffffff811bdff4  RSP = 0xffff8801ccc0f508
CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040
FSBase=00007fb946362700 GSBase=ffff8801db400000 TRBase=fffffe0000003000
GDTBase=fffffe0000001000 IDTBase=fffffe0000000000
CR0=0000000080050033 CR3=00000001c735e005 CR4=00000000001626f0
Sysenter RSP=fffffe0000002200 CS:RIP=0010:ffffffff85a01b70
EFER = 0x0000000000000d01  PAT = 0x0000000000000000
*** Control State ***
PinBased=0000003f CPUBased=b699edfe SecondaryExec=000000c2
EntryControls=0000d1ff ExitControls=0023efff
ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000
VMEntry: intr_info=00000000 errcode=00000000 ilen=00000000
VMExit: intr_info=00000000 errcode=00000000 ilen=00000000
        reason=80000021 qualification=0000000000000000
IDTVectoring: info=00000000 errcode=00000000
TSC Offset = 0xffffffdde520b627
EPT pointer = 0x00000001d729901e
audit: type=1326 audit(1517586546.395:203): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=8276 comm="syz-executor0" exe="/root/syz-executor0" sig=31 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x0
QAT: Invalid ioctl
QAT: Invalid ioctl
audit: type=1326 audit(1517586546.492:204): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=8276 comm="syz-executor0" exe="/root/syz-executor0" sig=31 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x0
audit: type=1326 audit(1517586546.549:205): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=8315 comm="syz-executor1" exe="/root/syz-executor1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x7ffc0000
audit: type=1326 audit(1517586546.553:206): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=8315 comm="syz-executor1" exe="/root/syz-executor1" sig=0 arch=c000003e syscall=257 compat=0 ip=0x453299 code=0x7ffc0000
audit: type=1326 audit(1517586546.554:207): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=8315 comm="syz-executor1" exe="/root/syz-executor1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x7ffc0000
audit: type=1326 audit(1517586546.554:208): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=8315 comm="syz-executor1" exe="/root/syz-executor1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x7ffc0000
audit: type=1326 audit(1517586546.556:209): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=8315 comm="syz-executor1" exe="/root/syz-executor1" sig=0 arch=c000003e syscall=16 compat=0 ip=0x453299 code=0x7ffc0000
audit: type=1326 audit(1517586546.556:210): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=8315 comm="syz-executor1" exe="/root/syz-executor1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x453299 code=0x7ffc0000

Crashes (22):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2018/02/02 15:49 upstream 4bf772b14675 826b35d6 .config console log report ci-upstream-kasan-gce
2018/01/31 10:03 upstream 72906f38934a 02553e22 .config console log report ci-upstream-kasan-gce
2018/01/31 09:12 upstream 72906f38934a 02553e22 .config console log report ci-upstream-kasan-gce
2018/01/30 11:39 upstream 6304672b7f0a 08d47756 .config console log report ci-upstream-kasan-gce
2018/01/30 10:33 upstream 6304672b7f0a 08d47756 .config console log report ci-upstream-kasan-gce
2018/01/30 03:20 upstream d8a5b80568a9 08d47756 .config console log report ci-upstream-kasan-gce
2018/01/30 02:52 upstream d8a5b80568a9 08d47756 .config console log report ci-upstream-kasan-gce
2018/01/29 10:49 upstream d8a5b80568a9 08d47756 .config console log report ci-upstream-kasan-gce
2018/01/28 11:30 upstream c4e0ca7fa241 08d47756 .config console log report ci-upstream-kasan-gce
2018/01/28 03:47 upstream c4e0ca7fa241 08146b1a .config console log report ci-upstream-kasan-gce
2018/02/01 15:06 net-next-old b2fe5fa68642 02553e22 .config console log report ci-upstream-net-kasan-gce
2018/02/01 11:44 net-next-old b2fe5fa68642 02553e22 .config console log report ci-upstream-net-kasan-gce
2018/02/01 05:03 net-next-old a54667f6728c 02553e22 .config console log report ci-upstream-net-kasan-gce
2018/01/31 22:40 net-next-old a54667f6728c 02553e22 .config console log report ci-upstream-net-kasan-gce
2018/01/31 10:38 net-next-old 91e6dd828425 02553e22 .config console log report ci-upstream-net-kasan-gce
2018/01/30 17:44 net-next-old 91e6dd828425 a899be78 .config console log report ci-upstream-net-kasan-gce
2018/01/30 07:55 net-next-old f813614f5311 08d47756 .config console log report ci-upstream-net-kasan-gce
2018/01/30 00:46 net-next-old 3e3ab9ccca5b 08d47756 .config console log report ci-upstream-net-kasan-gce
2018/01/29 14:51 net-next-old 868c36dcc949 08d47756 .config console log report ci-upstream-net-kasan-gce
2018/01/29 07:40 net-next-old 868c36dcc949 08d47756 .config console log report ci-upstream-net-kasan-gce
2018/01/28 20:41 net-next-old 751c45bd828f 08d47756 .config console log report ci-upstream-net-kasan-gce
2018/01/28 16:17 net-next-old 751c45bd828f 08d47756 .config console log report ci-upstream-net-kasan-gce
* Struck through repros no longer work on HEAD.