bisecting cause commit starting from fb893de323e2d39f7a1f6df425703a2edbdf56ea building syzkaller on bc15f7dbbc1c6e2042a7115b3fdacc0ada8c35e7 testing commit fb893de323e2d39f7a1f6df425703a2edbdf56ea with gcc (GCC) 8.1.0 kernel signature: f621d78b5bdf08754672dfd8827eb0af6b28db5a18cb12198c78fcb7948c74c8 all runs: crashed: WARNING in compat_do_ebt_get_ctl testing release v5.8 testing commit bcf876870b95592b52519ed4aafcf9d95999bc9c with gcc (GCC) 8.1.0 kernel signature: c45b7b9f2eb6d89c214d76edb0430a2101401ff2336c185f136893c7da16f75c all runs: OK # git bisect start fb893de323e2d39f7a1f6df425703a2edbdf56ea bcf876870b95592b52519ed4aafcf9d95999bc9c Bisecting: 6661 revisions left to test after this (roughly 13 steps) [8186749621ed6b8fc42644c399e8c755a2b6f630] Merge tag 'drm-next-2020-08-06' of git://anongit.freedesktop.org/drm/drm testing commit 8186749621ed6b8fc42644c399e8c755a2b6f630 with gcc (GCC) 8.1.0 kernel signature: f475504ba7060effa3ae5ee9b0d02b8b54beb60210ba5cc97233565a7c08eb56 all runs: OK # git bisect good 8186749621ed6b8fc42644c399e8c755a2b6f630 Bisecting: 3524 revisions left to test after this (roughly 12 steps) [3f9df56480fc8ce492fc9e988d67bdea884ed15c] Merge tag 'sound-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound testing commit 3f9df56480fc8ce492fc9e988d67bdea884ed15c with gcc (GCC) 8.1.0 kernel signature: 3aabfd45cf3c0c3b860c5f08a7f3b50ae079aaa2120d48231ed5d948a1c2143f all runs: crashed: WARNING in compat_do_ebt_get_ctl # git bisect bad 3f9df56480fc8ce492fc9e988d67bdea884ed15c Bisecting: 1563 revisions left to test after this (roughly 11 steps) [aab99b62b4d007346bff277c82cdc3e64f3e4121] Merge branch '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue testing commit aab99b62b4d007346bff277c82cdc3e64f3e4121 with gcc (GCC) 8.1.0 kernel signature: be34b74466e27e433c828ef55e356f1a96c1dcdc3317a177afa6538e98320a20 all runs: crashed: WARNING in compat_do_ebt_get_ctl # git bisect bad aab99b62b4d007346bff277c82cdc3e64f3e4121 Bisecting: 786 revisions left to test after this (roughly 10 steps) [f548a476268d621846bb0146af861bb56250ae37] bonding: don't need RTNL for ipsec helpers testing commit f548a476268d621846bb0146af861bb56250ae37 with gcc (GCC) 8.1.0 kernel signature: da7fa0937ffdb64efd58a32e482f9f6d458c36f5fb70e331f13009f46c0ee013 all runs: OK # git bisect good f548a476268d621846bb0146af861bb56250ae37 Bisecting: 393 revisions left to test after this (roughly 9 steps) [26feba8090773550f255aed911d8f824ca42b7eb] sctp: pass a kernel pointer to sctp_setsockopt_pf_expose testing commit 26feba8090773550f255aed911d8f824ca42b7eb with gcc (GCC) 8.1.0 kernel signature: 76984ed388d75a7de76f65273916a6c22f4405493550579672d8bffbfd74c558 all runs: crashed: WARNING in compat_do_ebt_get_ctl # git bisect bad 26feba8090773550f255aed911d8f824ca42b7eb Bisecting: 196 revisions left to test after this (roughly 8 steps) [101e314d7ff385a842c9fb0ddfe074024f4803f2] s390/qeth: reject unsupported link type earlier testing commit 101e314d7ff385a842c9fb0ddfe074024f4803f2 with gcc (GCC) 8.1.0 kernel signature: ae9c37d0a2f21a46f3c7562b9e1ccf14272f830398034bdbf8371947a107a881 all runs: OK # git bisect good 101e314d7ff385a842c9fb0ddfe074024f4803f2 Bisecting: 104 revisions left to test after this (roughly 7 steps) [721dab2b56535b06f9d5756cf27d875623cb5a60] net: alteon: Avoid some useless memset testing commit 721dab2b56535b06f9d5756cf27d875623cb5a60 with gcc (GCC) 8.1.0 kernel signature: f0c033be008644739bb7719cda6cf90b3ac1024f5a6cdcfed03ca0078066cce3 run #0: OK 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: boot failed: can't ssh into the instance # git bisect good 721dab2b56535b06f9d5756cf27d875623cb5a60 Bisecting: 52 revisions left to test after this (roughly 6 steps) [fdf5bdd87c01571f3256a799bdc217e7cca35fbd] net/ipv6: factor out mcast join/leave setsockopt helpers testing commit fdf5bdd87c01571f3256a799bdc217e7cca35fbd with gcc (GCC) 8.1.0 net/core/sock.c:3203:6: error: implicit declaration of function 'in_compat_syscal'; did you mean 'in_compat_syscall'? [-Werror=implicit-function-declaration] # git bisect skip fdf5bdd87c01571f3256a799bdc217e7cca35fbd Bisecting: 51 revisions left to test after this (roughly 6 steps) [3021ad529950d07e0408d65d0f1df00454c1d223] net/ipv6: remove compat_ipv6_{get,set}sockopt testing commit 3021ad529950d07e0408d65d0f1df00454c1d223 with gcc (GCC) 8.1.0 kernel signature: 051e12f1634d6988faadf739be5da266c5e05e9452ed27f8e249e6a4e633519a all runs: crashed: WARNING in compat_do_ebt_get_ctl # git bisect bad 3021ad529950d07e0408d65d0f1df00454c1d223 Bisecting: 26 revisions left to test after this (roughly 5 steps) [16659b811add79493183e7009744026cdb3d9c62] net: dsa: felix: (re)use already existing constants testing commit 16659b811add79493183e7009744026cdb3d9c62 with gcc (GCC) 8.1.0 kernel signature: c2d85224bbe6b046666f6fe7c85c58b5375767b5a58f11fa4982a88835676862 run #0: OK 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: boot failed: can't ssh into the instance # git bisect good 16659b811add79493183e7009744026cdb3d9c62 Bisecting: 12 revisions left to test after this (roughly 4 steps) [89c53c14e4d218ca45b47402d991e82b77875888] netfilter/ip_tables: clean up compat {get,set}sockopt handling testing commit 89c53c14e4d218ca45b47402d991e82b77875888 with gcc (GCC) 8.1.0 net/core/sock.c:3203:6: error: implicit declaration of function 'in_compat_syscal'; did you mean 'in_compat_syscall'? [-Werror=implicit-function-declaration] # git bisect skip 89c53c14e4d218ca45b47402d991e82b77875888 Bisecting: 12 revisions left to test after this (roughly 4 steps) [d5541e85cd40118a817f015ce3af1f41a7d7de1b] net/ipv6: factor out MCAST_MSFILTER getsockopt helpers testing commit d5541e85cd40118a817f015ce3af1f41a7d7de1b with gcc (GCC) 8.1.0 net/core/sock.c:3203:6: error: implicit declaration of function 'in_compat_syscal'; did you mean 'in_compat_syscall'? [-Werror=implicit-function-declaration] # git bisect skip d5541e85cd40118a817f015ce3af1f41a7d7de1b Bisecting: 12 revisions left to test after this (roughly 4 steps) [fc66de8e16ec4d9b4d2696d961de4f81db78a1b6] netfilter/ebtables: clean up compat {get, set}sockopt handling testing commit fc66de8e16ec4d9b4d2696d961de4f81db78a1b6 with gcc (GCC) 8.1.0 net/core/sock.c:3203:6: error: implicit declaration of function 'in_compat_syscal'; did you mean 'in_compat_syscall'? [-Werror=implicit-function-declaration] # git bisect skip fc66de8e16ec4d9b4d2696d961de4f81db78a1b6 Bisecting: 12 revisions left to test after this (roughly 4 steps) [7dce80c2a526a199ae1447e7a58d4135bb18ff8a] net: phy: at803x: add mdix configuration support for AR9331 and AR8035 testing commit 7dce80c2a526a199ae1447e7a58d4135bb18ff8a with gcc (GCC) 8.1.0 kernel signature: b5806c7aa56690c23218bd9289acd83b687aa0f902a7bd2fabe8193cc33bae10 all runs: OK # git bisect good 7dce80c2a526a199ae1447e7a58d4135bb18ff8a Bisecting: 11 revisions left to test after this (roughly 4 steps) [f415e76fd723594ed878a5a79a0ec36eca81c312] netfilter/ip6_tables: clean up compat {get, set}sockopt handling testing commit f415e76fd723594ed878a5a79a0ec36eca81c312 with gcc (GCC) 8.1.0 net/core/sock.c:3203:6: error: implicit declaration of function 'in_compat_syscal'; did you mean 'in_compat_syscall'? [-Werror=implicit-function-declaration] # git bisect skip f415e76fd723594ed878a5a79a0ec36eca81c312 Bisecting: 11 revisions left to test after this (roughly 4 steps) [983094b4fc2d6a0b356f189593970cea2682a20c] netfilter/arp_tables: clean up compat {get, set}sockopt handling testing commit 983094b4fc2d6a0b356f189593970cea2682a20c with gcc (GCC) 8.1.0 net/core/sock.c:3203:6: error: implicit declaration of function 'in_compat_syscal'; did you mean 'in_compat_syscall'? [-Werror=implicit-function-declaration] # git bisect skip 983094b4fc2d6a0b356f189593970cea2682a20c Bisecting: 11 revisions left to test after this (roughly 4 steps) [4a3672993f95c5f2ff0cf0951ba9a712d941a248] net: streamline __sys_setsockopt testing commit 4a3672993f95c5f2ff0cf0951ba9a712d941a248 with gcc (GCC) 8.1.0 kernel signature: ef84f1ff0904375b2b6be37cdc52d776969e8bb87a0a7cecc8beb7d718364783 all runs: OK # git bisect good 4a3672993f95c5f2ff0cf0951ba9a712d941a248 Bisecting: 9 revisions left to test after this (roughly 3 steps) [77d4df41d53e5c2af14db26f20fe50da52e382ba] netfilter: remove the compat_{get,set} methods testing commit 77d4df41d53e5c2af14db26f20fe50da52e382ba with gcc (GCC) 8.1.0 net/core/sock.c:3203:6: error: implicit declaration of function 'in_compat_syscal'; did you mean 'in_compat_syscall'? [-Werror=implicit-function-declaration] # git bisect skip 77d4df41d53e5c2af14db26f20fe50da52e382ba Bisecting: 9 revisions left to test after this (roughly 3 steps) [c34bc10d2535719ddf77d44ee849f6c7589583ba] netfilter: remove the compat argument to xt_copy_counters_from_user testing commit c34bc10d2535719ddf77d44ee849f6c7589583ba with gcc (GCC) 8.1.0 net/core/sock.c:3203:6: error: implicit declaration of function 'in_compat_syscal'; did you mean 'in_compat_syscall'? [-Werror=implicit-function-declaration] # git bisect skip c34bc10d2535719ddf77d44ee849f6c7589583ba Bisecting: 9 revisions left to test after this (roughly 3 steps) [b6238c04c0e5dbe7ae4ea48e96e004905b120a04] net/ipv4: remove compat_ip_{get,set}sockopt testing commit b6238c04c0e5dbe7ae4ea48e96e004905b120a04 with gcc (GCC) 8.1.0 net/core/sock.c:3203:6: error: implicit declaration of function 'in_compat_syscal'; did you mean 'in_compat_syscall'? [-Werror=implicit-function-declaration] # git bisect skip b6238c04c0e5dbe7ae4ea48e96e004905b120a04 Bisecting: 9 revisions left to test after this (roughly 3 steps) [657e4c34a2370da1e82bbfc0d253ad394056b19e] netfilter: split nf_sockopt testing commit 657e4c34a2370da1e82bbfc0d253ad394056b19e with gcc (GCC) 8.1.0 net/core/sock.c:3203:6: error: implicit declaration of function 'in_compat_syscal'; did you mean 'in_compat_syscall'? [-Werror=implicit-function-declaration] # git bisect skip 657e4c34a2370da1e82bbfc0d253ad394056b19e Bisecting: 9 revisions left to test after this (roughly 3 steps) [55db9c0e853421fa71cac5e6855898601f78a1f5] net: remove compat_sys_{get,set}sockopt testing commit 55db9c0e853421fa71cac5e6855898601f78a1f5 with gcc (GCC) 8.1.0 net/core/sock.c:3203:6: error: implicit declaration of function 'in_compat_syscal'; did you mean 'in_compat_syscall'? [-Werror=implicit-function-declaration] # git bisect skip 55db9c0e853421fa71cac5e6855898601f78a1f5 Bisecting: 9 revisions left to test after this (roughly 3 steps) [49e74c24f31048b4faa3cfcccb93f444abb0b910] net/ipv4: factor out MCAST_MSFILTER getsockopt helpers testing commit 49e74c24f31048b4faa3cfcccb93f444abb0b910 with gcc (GCC) 8.1.0 net/core/sock.c:3203:6: error: implicit declaration of function 'in_compat_syscal'; did you mean 'in_compat_syscall'? [-Werror=implicit-function-declaration] # git bisect skip 49e74c24f31048b4faa3cfcccb93f444abb0b910 Bisecting: 9 revisions left to test after this (roughly 3 steps) [4d295e54611509854a12c26f95a6f4430731d614] net: simplify cBPF setsockopt compat handling testing commit 4d295e54611509854a12c26f95a6f4430731d614 with gcc (GCC) 8.1.0 kernel signature: f12781f7fd6a431a7552dfd4d567bcaa89466e8e7b9dc518fafb7b71901b5c8e all runs: OK # git bisect good 4d295e54611509854a12c26f95a6f4430731d614 Bisecting: 7 revisions left to test after this (roughly 3 steps) [02caad7cc0841f94bc105b93fbe468d3cbf6f378] net/ipv4: factor out mcast join/leave setsockopt helpers testing commit 02caad7cc0841f94bc105b93fbe468d3cbf6f378 with gcc (GCC) 8.1.0 net/core/sock.c:3203:6: error: implicit declaration of function 'in_compat_syscal'; did you mean 'in_compat_syscall'? [-Werror=implicit-function-declaration] # git bisect skip 02caad7cc0841f94bc105b93fbe468d3cbf6f378 Bisecting: 7 revisions left to test after this (roughly 3 steps) [d62c38f6a1a8c833df8dd35dacde23b0b6c931f9] net/ipv4: factor out MCAST_MSFILTER setsockopt helpers testing commit d62c38f6a1a8c833df8dd35dacde23b0b6c931f9 with gcc (GCC) 8.1.0 net/core/sock.c:3203:6: error: implicit declaration of function 'in_compat_syscal'; did you mean 'in_compat_syscall'? [-Werror=implicit-function-declaration] # git bisect skip d62c38f6a1a8c833df8dd35dacde23b0b6c931f9 Bisecting: 7 revisions left to test after this (roughly 3 steps) [ca0e65eb295411229a8dbdea01b9379e48d2bf39] net/ipv6: factor out MCAST_MSFILTER setsockopt helpers testing commit ca0e65eb295411229a8dbdea01b9379e48d2bf39 with gcc (GCC) 8.1.0 net/core/sock.c:3203:6: error: implicit declaration of function 'in_compat_syscal'; did you mean 'in_compat_syscall'? [-Werror=implicit-function-declaration] # git bisect skip ca0e65eb295411229a8dbdea01b9379e48d2bf39 Bisecting: 7 revisions left to test after this (roughly 3 steps) [8c918ffbbad49454ed26c53eb1b90bf98bb5e394] net: remove compat_sock_common_{get,set}sockopt testing commit 8c918ffbbad49454ed26c53eb1b90bf98bb5e394 with gcc (GCC) 8.1.0 net/core/sock.c:3203:6: error: implicit declaration of function 'in_compat_syscal'; did you mean 'in_compat_syscall'? [-Werror=implicit-function-declaration] # git bisect skip 8c918ffbbad49454ed26c53eb1b90bf98bb5e394 There are only 'skip'ped commits left to test. The first bad commit could be any of: 657e4c34a2370da1e82bbfc0d253ad394056b19e c34bc10d2535719ddf77d44ee849f6c7589583ba 49e74c24f31048b4faa3cfcccb93f444abb0b910 77d4df41d53e5c2af14db26f20fe50da52e382ba d62c38f6a1a8c833df8dd35dacde23b0b6c931f9 fc66de8e16ec4d9b4d2696d961de4f81db78a1b6 02caad7cc0841f94bc105b93fbe468d3cbf6f378 f415e76fd723594ed878a5a79a0ec36eca81c312 89c53c14e4d218ca45b47402d991e82b77875888 b6238c04c0e5dbe7ae4ea48e96e004905b120a04 983094b4fc2d6a0b356f189593970cea2682a20c d5541e85cd40118a817f015ce3af1f41a7d7de1b 55db9c0e853421fa71cac5e6855898601f78a1f5 ca0e65eb295411229a8dbdea01b9379e48d2bf39 8c918ffbbad49454ed26c53eb1b90bf98bb5e394 fdf5bdd87c01571f3256a799bdc217e7cca35fbd 3021ad529950d07e0408d65d0f1df00454c1d223 We cannot bisect more! revisions tested: 30, total time: 3h38m52.796198967s (build: 1h48m46.13955527s, test: 1h48m11.468201431s) bisection is inconclusive, the first bad commit could be any of: 657e4c34a2370da1e82bbfc0d253ad394056b19e c34bc10d2535719ddf77d44ee849f6c7589583ba 49e74c24f31048b4faa3cfcccb93f444abb0b910 77d4df41d53e5c2af14db26f20fe50da52e382ba d62c38f6a1a8c833df8dd35dacde23b0b6c931f9 fc66de8e16ec4d9b4d2696d961de4f81db78a1b6 02caad7cc0841f94bc105b93fbe468d3cbf6f378 f415e76fd723594ed878a5a79a0ec36eca81c312 89c53c14e4d218ca45b47402d991e82b77875888 b6238c04c0e5dbe7ae4ea48e96e004905b120a04 983094b4fc2d6a0b356f189593970cea2682a20c d5541e85cd40118a817f015ce3af1f41a7d7de1b 55db9c0e853421fa71cac5e6855898601f78a1f5 ca0e65eb295411229a8dbdea01b9379e48d2bf39 8c918ffbbad49454ed26c53eb1b90bf98bb5e394 fdf5bdd87c01571f3256a799bdc217e7cca35fbd 3021ad529950d07e0408d65d0f1df00454c1d223