bisecting fixing commit since 7d8dbefc22ff71c12c5f63ab0c6de7f70d1f044a
building syzkaller on 048f2d494ee4a016e2386c28bf8cccdd87896cbd
testing commit 7d8dbefc22ff71c12c5f63ab0c6de7f70d1f044a with gcc (GCC) 8.1.0
kernel signature: 1b895a970170239e5420c820599383c908fbba72248f6f43089b2d9866c4adc9
run #0: crashed: INFO: trying to register non-static key in hci_uart_flush
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
testing current HEAD 3fc898571b974f9a05e4e5c1fe17b18548207091
testing commit 3fc898571b974f9a05e4e5c1fe17b18548207091 with gcc (GCC) 8.1.0
kernel signature: 937390348dc75abd0071ef4b2e1f6b9f177aad56d90511337547f98b4d83f81e
all runs: OK
# git bisect start 3fc898571b974f9a05e4e5c1fe17b18548207091 7d8dbefc22ff71c12c5f63ab0c6de7f70d1f044a
Bisecting: 2748 revisions left to test after this (roughly 12 steps)
[bdeee764135af1fd54a36d9db73ad362759b0c33] pinctrl: sh-pfc: r8a77970: Add missing MOD_SEL0 field
testing commit bdeee764135af1fd54a36d9db73ad362759b0c33 with gcc (GCC) 8.1.0
kernel signature: 6821445f18cd75c48ea355f88f687adb2b28a191d0f39d6e21e8ca93c3852554
run #0: crashed: INFO: trying to register non-static key in hci_uart_flush
run #1: crashed: INFO: trying to register non-static key in hci_uart_flush
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
# git bisect good bdeee764135af1fd54a36d9db73ad362759b0c33
Bisecting: 1374 revisions left to test after this (roughly 11 steps)
[29a84e8c4eef45318833da404b751bddd9adfba9] net/tls: Fix to avoid gettig invalid tls record
testing commit 29a84e8c4eef45318833da404b751bddd9adfba9 with gcc (GCC) 8.1.0
kernel signature: 7a007a2a87648ff8d49e8f8fc1d413a3744428e839b41f8d921258f80993f888
run #0: crashed: INFO: trying to register non-static key in hci_uart_flush
run #1: crashed: INFO: trying to register non-static key in hci_uart_flush
run #2: crashed: INFO: trying to register non-static key in hci_uart_flush
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
# git bisect good 29a84e8c4eef45318833da404b751bddd9adfba9
Bisecting: 687 revisions left to test after this (roughly 10 steps)
[c9fc93e7a96c01bafe8345fa95217b80cc40452c] ext4: do not zeroout extents beyond i_disksize
testing commit c9fc93e7a96c01bafe8345fa95217b80cc40452c with gcc (GCC) 8.1.0
kernel signature: e3bbddb7c04defe6a52a3d6780eee2b0c792c530020d33add7c51cf9b53b8b76
run #0: crashed: INFO: trying to register non-static key in hci_uart_flush
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
# git bisect good c9fc93e7a96c01bafe8345fa95217b80cc40452c
Bisecting: 343 revisions left to test after this (roughly 9 steps)
[7ddb6aa96a57a4724b590b82ac6cebc0f08b78b6] net/mlx5: Fix command entry leak in Internal Error State
testing commit 7ddb6aa96a57a4724b590b82ac6cebc0f08b78b6 with gcc (GCC) 8.1.0
kernel signature: df32073482be367b1342f6ff2914fdac5f6abc5089fafc48c2a87c6c607bc495
run #0: crashed: INFO: trying to register non-static key in hci_uart_flush
run #1: crashed: INFO: trying to register non-static key in hci_uart_flush
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
# git bisect good 7ddb6aa96a57a4724b590b82ac6cebc0f08b78b6
Bisecting: 171 revisions left to test after this (roughly 8 steps)
[747c7d5ac0d0e6ab483f6ba7e9039c103d66f032] Revert "net/ibmvnic: Fix EOI when running in XIVE mode"
testing commit 747c7d5ac0d0e6ab483f6ba7e9039c103d66f032 with gcc (GCC) 8.1.0
kernel signature: 1be9cd9464f4992ebf1ed52ddeb2e3fda87540a3dc5ec2d1f147bbed400d6485
run #0: crashed: INFO: trying to register non-static key in hci_uart_flush
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
# git bisect good 747c7d5ac0d0e6ab483f6ba7e9039c103d66f032
Bisecting: 85 revisions left to test after this (roughly 7 steps)
[977436cff6b12abed81bfcb8a839a4f633e8984a] IB/ipoib: Fix double free of skb in case of multicast traffic in CM mode
testing commit 977436cff6b12abed81bfcb8a839a4f633e8984a with gcc (GCC) 8.1.0
kernel signature: 30ddbda2e1569e794939211dba825e140e086b0d52b9a64d6ff4149231eaf340
run #0: crashed: INFO: trying to register non-static key in hci_uart_flush
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
# git bisect good 977436cff6b12abed81bfcb8a839a4f633e8984a
Bisecting: 42 revisions left to test after this (roughly 6 steps)
[f13a44533df598d5dc8fdb432e81d3e24611b262] drm/i915: fix port checks for MST support on gen >= 11
testing commit f13a44533df598d5dc8fdb432e81d3e24611b262 with gcc (GCC) 8.1.0
kernel signature: 21aebdfc3c9f5d3564903e33e19b784f90f259ae5452c3e98b72446b1fff4016
all runs: OK
# git bisect bad f13a44533df598d5dc8fdb432e81d3e24611b262
Bisecting: 21 revisions left to test after this (roughly 5 steps)
[e70fb3eff0e2776c6bf9d9600f5868a548882ad8] netfilter: nfnetlink_cthelper: unbreak userspace helper support
testing commit e70fb3eff0e2776c6bf9d9600f5868a548882ad8 with gcc (GCC) 8.1.0
kernel signature: 7650bb441bce2b0237364561dbedd250eb69ad82ee8298d799e83b9091d5eda4
run #0: crashed: INFO: trying to register non-static key in hci_uart_flush
run #1: crashed: INFO: trying to register non-static key in hci_uart_flush
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
# git bisect good e70fb3eff0e2776c6bf9d9600f5868a548882ad8
Bisecting: 10 revisions left to test after this (roughly 4 steps)
[7cbf0e5ceac4fcef5b6a48652733e84c828557c8] Revert "cgroup: Add memory barriers to plug cgroup_rstat_updated() race window"
testing commit 7cbf0e5ceac4fcef5b6a48652733e84c828557c8 with gcc (GCC) 8.1.0
kernel signature: 4b39215d5d6b286a6ea5d23a62e4516c84cb7e54b75039eeed5cdfc4189ced63
all runs: OK
# git bisect bad 7cbf0e5ceac4fcef5b6a48652733e84c828557c8
Bisecting: 5 revisions left to test after this (roughly 3 steps)
[79ed4c838a850ac4154331656d0972331c37d761] qlcnic: fix missing release in qlcnic_83xx_interrupt_test.
testing commit 79ed4c838a850ac4154331656d0972331c37d761 with gcc (GCC) 8.1.0
kernel signature: 722fd1f6d84f8ccfbba8a3808a3203429faaaaf93f35c5ece4646c5f687b08e6
run #0: crashed: INFO: trying to register non-static key in hci_uart_flush
run #1: crashed: INFO: trying to register non-static key in hci_uart_flush
run #2: crashed: INFO: trying to register non-static key in hci_uart_flush
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
# git bisect good 79ed4c838a850ac4154331656d0972331c37d761
Bisecting: 2 revisions left to test after this (roughly 2 steps)
[8efa59fc90a590edd772583f9a0d9c780686ecb1] netfilter: nf_conntrack_pptp: fix compilation warning with W=1 build
testing commit 8efa59fc90a590edd772583f9a0d9c780686ecb1 with gcc (GCC) 8.1.0
kernel signature: 60afaf4419d61d233c3a22acb2da66814b3b38c7002c530e389ac468a19669f2
all runs: OK
# git bisect bad 8efa59fc90a590edd772583f9a0d9c780686ecb1
Bisecting: 0 revisions left to test after this (roughly 1 step)
[8a37da1359ffbf7ae5600b552bfd7fd57057cb68] bonding: Fix reference count leak in bond_sysfs_slave_add.
testing commit 8a37da1359ffbf7ae5600b552bfd7fd57057cb68 with gcc (GCC) 8.1.0
kernel signature: fe5842393cb8d9ca0c63ff15731cc92400c65ba9097e6dd4745f9adb44c2f607
run #0: crashed: INFO: trying to register non-static key in hci_uart_flush
run #1: OK
run #2: OK
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
# git bisect good 8a37da1359ffbf7ae5600b552bfd7fd57057cb68
8efa59fc90a590edd772583f9a0d9c780686ecb1 is the first bad commit
commit 8efa59fc90a590edd772583f9a0d9c780686ecb1
Author: Pablo Neira Ayuso <pablo@netfilter.org>
Date:   Wed May 27 12:24:10 2020 +0200

    netfilter: nf_conntrack_pptp: fix compilation warning with W=1 build
    
    commit 4946ea5c1237036155c3b3a24f049fd5f849f8f6 upstream.
    
    >> include/linux/netfilter/nf_conntrack_pptp.h:13:20: warning: 'const' type qualifier on return type has no effect [-Wignored-qualifiers]
    extern const char *const pptp_msg_name(u_int16_t msg);
    ^~~~~~
    
    Reported-by: kbuild test robot <lkp@intel.com>
    Fixes: 4c559f15efcc ("netfilter: nf_conntrack_pptp: prevent buffer overflows in debug code")
    Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

 include/linux/netfilter/nf_conntrack_pptp.h | 2 +-
 net/netfilter/nf_conntrack_pptp.c           | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
culprit signature: 60afaf4419d61d233c3a22acb2da66814b3b38c7002c530e389ac468a19669f2
parent  signature: fe5842393cb8d9ca0c63ff15731cc92400c65ba9097e6dd4745f9adb44c2f607
revisions tested: 14, total time: 4h33m39.484537178s (build: 2h15m17.560846861s, test: 2h16m58.406208701s)
first good commit: 8efa59fc90a590edd772583f9a0d9c780686ecb1 netfilter: nf_conntrack_pptp: fix compilation warning with W=1 build
cc: ["coreteam@netfilter.org" "davem@davemloft.net" "fw@strlen.de" "gregkh@linuxfoundation.org" "kadlec@blackhole.kfki.hu" "linux-kernel@vger.kernel.org" "netdev@vger.kernel.org" "netfilter-devel@vger.kernel.org" "pablo@netfilter.org"]