bisecting fixing commit since aea8526edf59da3ff5306ca408e13d8f6ab89b34 building syzkaller on 1656845f45f284c574eb4f8bfe85dd7916a47a3a testing commit aea8526edf59da3ff5306ca408e13d8f6ab89b34 with gcc (GCC) 8.1.0 kernel signature: ef6480c956b7236496adbe4afff974ea75fd5e9d all runs: crashed: general protection fault in tcf_ife_init testing current HEAD fbc5fe7a54d02e11972e3b2a5ddb6ffc88162c8f testing commit fbc5fe7a54d02e11972e3b2a5ddb6ffc88162c8f with gcc (GCC) 8.1.0 kernel signature: 1ca0faeac00466cd362e9667134ed42f41a8f7eb all runs: OK # git bisect start fbc5fe7a54d02e11972e3b2a5ddb6ffc88162c8f aea8526edf59da3ff5306ca408e13d8f6ab89b34 Bisecting: 1152 revisions left to test after this (roughly 10 steps) [3554b8a172a24278ba00193be0268f3095dbed22] fat: work around race with userspace's read via blockdev while mounting testing commit 3554b8a172a24278ba00193be0268f3095dbed22 with gcc (GCC) 8.1.0 kernel signature: d3bfc0cb71fc340d5c3f7b9b5c07c0b2d560f594 all runs: OK # git bisect bad 3554b8a172a24278ba00193be0268f3095dbed22 Bisecting: 576 revisions left to test after this (roughly 9 steps) [0412f12fe287331b116cd5f5d13e54921a070649] ALSA: hda - Add a generic reboot_notify testing commit 0412f12fe287331b116cd5f5d13e54921a070649 with gcc (GCC) 8.1.0 kernel signature: 33718fc20180f6f9e182362695ecebd0db477872 all runs: OK # git bisect bad 0412f12fe287331b116cd5f5d13e54921a070649 Bisecting: 287 revisions left to test after this (roughly 8 steps) [efb8a11e4f61fbe4f88b3738d10cba5d223b434c] ext4: don't allow any modifications to an immutable file testing commit efb8a11e4f61fbe4f88b3738d10cba5d223b434c with gcc (GCC) 8.1.0 kernel signature: 4c37ec9ccb9e498f285f69e4dcbbed75e025d499 all runs: crashed: general protection fault in tcf_ife_init # git bisect good efb8a11e4f61fbe4f88b3738d10cba5d223b434c Bisecting: 143 revisions left to test after this (roughly 7 steps) [b92f12c5eef93b32800c4ee8d76a4f26141ece06] drm/nouveau: fix memory leak in nouveau_conn_reset() testing commit b92f12c5eef93b32800c4ee8d76a4f26141ece06 with gcc (GCC) 8.1.0 kernel signature: 63566f1647811b89b8c1c4012d7bdbd2055aefc1 all runs: crashed: general protection fault in tcf_ife_init # git bisect good b92f12c5eef93b32800c4ee8d76a4f26141ece06 Bisecting: 71 revisions left to test after this (roughly 6 steps) [dd692412199fde75bdb3e5db530dcfb7e9cfb168] Input: synaptics - enable RMI mode for HP Spectre X360 testing commit dd692412199fde75bdb3e5db530dcfb7e9cfb168 with gcc (GCC) 8.1.0 kernel signature: e9fde47c1d39e114831972c4b94b0168c323d3d2 all runs: OK # git bisect bad dd692412199fde75bdb3e5db530dcfb7e9cfb168 Bisecting: 35 revisions left to test after this (roughly 5 steps) [4ee0a5228ad554d36a2e0ff68cdadeca7c414e79] RDMA: Directly cast the sockaddr union to sockaddr testing commit 4ee0a5228ad554d36a2e0ff68cdadeca7c414e79 with gcc (GCC) 8.1.0 kernel signature: 0470c67510785c132864f340b3612e414f5b1148 all runs: crashed: general protection fault in tcf_ife_init # git bisect good 4ee0a5228ad554d36a2e0ff68cdadeca7c414e79 Bisecting: 17 revisions left to test after this (roughly 4 steps) [e8a5ef22b6822847a91b746925bc6e1d8ea31b85] mvpp2: refactor MTU change code testing commit e8a5ef22b6822847a91b746925bc6e1d8ea31b85 with gcc (GCC) 8.1.0 kernel signature: e43ba79018876559471e64cfb401176eac0326a2 all runs: OK # git bisect bad e8a5ef22b6822847a91b746925bc6e1d8ea31b85 Bisecting: 8 revisions left to test after this (roughly 3 steps) [a490d09298368c32a88dc997e63fd8c84be59004] net: fix ifindex collision during namespace removal testing commit a490d09298368c32a88dc997e63fd8c84be59004 with gcc (GCC) 8.1.0 kernel signature: 59d7909f869fe034bfba5af674811ec291d671b7 all runs: OK # git bisect bad a490d09298368c32a88dc997e63fd8c84be59004 Bisecting: 4 revisions left to test after this (roughly 2 steps) [12f036d9ebc833fb9154cb7f3fa51cc8e2635a13] atm: iphase: Fix Spectre v1 vulnerability testing commit 12f036d9ebc833fb9154cb7f3fa51cc8e2635a13 with gcc (GCC) 8.1.0 kernel signature: da319db0a4a689f6ec91d0d19d7ab5a29448ae92 all runs: crashed: general protection fault in tcf_ife_init # git bisect good 12f036d9ebc833fb9154cb7f3fa51cc8e2635a13 Bisecting: 2 revisions left to test after this (roughly 1 step) [6926655998f29c14384400c665217e46eeb9a4c0] ip6_tunnel: fix possible use-after-free on xmit testing commit 6926655998f29c14384400c665217e46eeb9a4c0 with gcc (GCC) 8.1.0 kernel signature: 2fba8d5eaf8951452366254ac3cb6e1550084af9 all runs: OK # git bisect bad 6926655998f29c14384400c665217e46eeb9a4c0 Bisecting: 0 revisions left to test after this (roughly 0 steps) [7fcc60e5f837e7f626e08b486697017953e7e6a0] ife: error out when nla attributes are empty testing commit 7fcc60e5f837e7f626e08b486697017953e7e6a0 with gcc (GCC) 8.1.0 kernel signature: e84e575f781ffb71cee5162c87217927cdf04ffa all runs: OK # git bisect bad 7fcc60e5f837e7f626e08b486697017953e7e6a0 7fcc60e5f837e7f626e08b486697017953e7e6a0 is the first bad commit commit 7fcc60e5f837e7f626e08b486697017953e7e6a0 Author: Cong Wang Date: Mon Jul 22 21:43:00 2019 -0700 ife: error out when nla attributes are empty [ Upstream commit c8ec4632c6ac9cda0e8c3d51aa41eeab66585bd5 ] act_ife at least requires TCA_IFE_PARMS, so we have to bail out when there is no attribute passed in. Reported-by: syzbot+fbb5b288c9cb6a2eeac4@syzkaller.appspotmail.com Fixes: ef6980b6becb ("introduce IFE action") Cc: Jamal Hadi Salim Cc: Jiri Pirko Signed-off-by: Cong Wang Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman net/sched/act_ife.c | 3 +++ 1 file changed, 3 insertions(+) kernel signature: e84e575f781ffb71cee5162c87217927cdf04ffa previous signature: da319db0a4a689f6ec91d0d19d7ab5a29448ae92 revisions tested: 13, total time: 3h22m19.319106395s (build: 1h41m42.786082556s, test: 1h36m15.233685757s) first good commit: 7fcc60e5f837e7f626e08b486697017953e7e6a0 ife: error out when nla attributes are empty cc: ["davem@davemloft.net" "gregkh@linuxfoundation.org" "jhs@mojatatu.com" "jiri@resnulli.us" "xiyou.wangcong@gmail.com"]