bisecting fixing commit since 5695e51619745d4fe3ec2506a2f0cd982c5e27a4 building syzkaller on 4c37c133e4bf703d023995535f1e264d8658e08e testing commit 5695e51619745d4fe3ec2506a2f0cd982c5e27a4 with gcc (GCC) 10.2.1 20210217 kernel signature: a3eaf2b85a70a46cd8dbbcff93f0a7861e353eaf119082df5bcb832f3b3207ab all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in hide_cursor testing current HEAD 70585216fe7730d9fb5453d3e2804e149d0fe201 testing commit 70585216fe7730d9fb5453d3e2804e149d0fe201 with gcc (GCC) 10.2.1 20210217 kernel signature: fd56f2d3fa4ffd7827c6670b027108feb00e12db7b453011645e7a48e2ff3f82 all runs: OK # git bisect start 70585216fe7730d9fb5453d3e2804e149d0fe201 5695e51619745d4fe3ec2506a2f0cd982c5e27a4 Bisecting: 9614 revisions left to test after this (roughly 13 steps) [625434dafdd97372d15de21972be4b682709e854] Merge tag 'for-5.13/io_uring-2021-04-27' of git://git.kernel.dk/linux-block testing commit 625434dafdd97372d15de21972be4b682709e854 with gcc (GCC) 10.2.1 20210217 kernel signature: 186f2f82199c2271b22fd93b7b0907cf912f5a52cafada2b5f37a172a07d6785 all runs: OK # git bisect bad 625434dafdd97372d15de21972be4b682709e854 Bisecting: 4694 revisions left to test after this (roughly 12 steps) [ef1244124349fea36e4a7e260ecaf156b6b6b22a] Merge tag 'usb-5.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb testing commit ef1244124349fea36e4a7e260ecaf156b6b6b22a with gcc (GCC) 10.2.1 20210217 kernel signature: 4801471a77f99fc3af2c20b222b7a147fe35798f2eedb0b7c64a044604bfd640 all runs: OK # git bisect bad ef1244124349fea36e4a7e260ecaf156b6b6b22a Bisecting: 2520 revisions left to test after this (roughly 11 steps) [9f4ad9e425a1d3b6a34617b8ea226d56a119a717] Linux 5.12 testing commit 9f4ad9e425a1d3b6a34617b8ea226d56a119a717 with gcc (GCC) 10.2.1 20210217 kernel signature: 73b4bad2eab8c3e1e9cca14f9554e62308e3c207ad497f5f4343946331a265b3 all runs: OK # git bisect bad 9f4ad9e425a1d3b6a34617b8ea226d56a119a717 Bisecting: 1259 revisions left to test after this (roughly 10 steps) [d7f5f1bd3c240c4d527c0871a38dc3d61255ea9e] Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 testing commit d7f5f1bd3c240c4d527c0871a38dc3d61255ea9e with gcc (GCC) 10.2.1 20210217 kernel signature: aecb4e7d0955fcc862ed465972502d4134834e867804c711e28d4c7bc66e36f6 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in hide_cursor # git bisect good d7f5f1bd3c240c4d527c0871a38dc3d61255ea9e Bisecting: 622 revisions left to test after this (roughly 9 steps) [3a22981230f997846d1cfeb8eadcda8bcc0f7ea8] Merge tag 'arm-fixes-5.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc testing commit 3a22981230f997846d1cfeb8eadcda8bcc0f7ea8 with gcc (GCC) 10.2.1 20210217 kernel signature: 99818416c96f45bd8224147c681221d4ba4ab3b8b79253294a7556b4229b3a1d run #0: crashed: SYZFAIL: wrong response packet 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 reproducer seems to be flaky # git bisect good 3a22981230f997846d1cfeb8eadcda8bcc0f7ea8 Bisecting: 311 revisions left to test after this (roughly 8 steps) [6628ddfec7580882f11fdc5c194a8ea781fdadfa] net: geneve: check skb is large enough for IPv4/IPv6 header testing commit 6628ddfec7580882f11fdc5c194a8ea781fdadfa with gcc (GCC) 10.2.1 20210217 kernel signature: 4e77f5b47033d8fe936c72d8f8ff531033dca6b016273d41d70e54e36043914e all runs: OK # git bisect bad 6628ddfec7580882f11fdc5c194a8ea781fdadfa Bisecting: 162 revisions left to test after this (roughly 7 steps) [107adc694558dd51c35fca07b025c2fe2168afb5] Merge tag 'wireless-drivers-2021-04-07' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers testing commit 107adc694558dd51c35fca07b025c2fe2168afb5 with gcc (GCC) 10.2.1 20210217 kernel signature: 37ca7932c8673d8f28349169fef0c95601f0392d9958d71421fe6ba02d44cb9f all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in hide_cursor # git bisect good 107adc694558dd51c35fca07b025c2fe2168afb5 Bisecting: 73 revisions left to test after this (roughly 6 steps) [a85f165e1f38c0a5a6e671ce8126a8cafe35af09] Merge tag 'drm-fixes-2021-04-10' of git://anongit.freedesktop.org/drm/drm testing commit a85f165e1f38c0a5a6e671ce8126a8cafe35af09 with gcc (GCC) 10.2.1 20210217 kernel signature: 56cf0230cd41fc145e831fa91eb87030852e7ea807d0561839dc61a187fe4cce all runs: OK # git bisect bad a85f165e1f38c0a5a6e671ce8126a8cafe35af09 Bisecting: 43 revisions left to test after this (roughly 6 steps) [4fa56ad0d12e24df768c98bffe9039f915d1bc02] Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma testing commit 4fa56ad0d12e24df768c98bffe9039f915d1bc02 with gcc (GCC) 10.2.1 20210217 kernel signature: b77a9b1dc3c727984228baaaead5351b7622c1f869e590f065c49be940903ea0 all runs: OK # git bisect bad 4fa56ad0d12e24df768c98bffe9039f915d1bc02 Bisecting: 22 revisions left to test after this (roughly 5 steps) [9c3195778c71d7f0795d48e2f04a12c9d80d8b98] Merge tag 'asoc-fix-v5.12-rc6' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus testing commit 9c3195778c71d7f0795d48e2f04a12c9d80d8b98 with gcc (GCC) 10.2.1 20210217 kernel signature: f95e79229ce8c631c7ca8beff79db5f2a372acf3cad74eeaca8c175f8a58dfe5 run #0: crashed: BUG: unable to handle kernel NULL pointer dereference in hide_cursor run #1: crashed: BUG: unable to handle kernel NULL pointer dereference in hide_cursor run #2: crashed: BUG: unable to handle kernel NULL pointer dereference in hide_cursor run #3: crashed: BUG: unable to handle kernel NULL pointer dereference in hide_cursor run #4: crashed: BUG: unable to handle kernel NULL pointer dereference in hide_cursor run #5: crashed: BUG: unable to handle kernel NULL pointer dereference in hide_cursor run #6: crashed: BUG: unable to handle kernel NULL pointer dereference in hide_cursor run #7: crashed: BUG: unable to handle kernel NULL pointer dereference in hide_cursor run #8: crashed: BUG: unable to handle kernel NULL pointer dereference in hide_cursor run #9: crashed: BUG: unable to handle kernel NULL pointer dereference in hide_cursor run #10: crashed: BUG: unable to handle kernel NULL pointer dereference in hide_cursor run #11: crashed: BUG: unable to handle kernel NULL pointer dereference in hide_cursor run #12: crashed: BUG: unable to handle kernel NULL pointer dereference in hide_cursor run #13: crashed: BUG: unable to handle kernel NULL pointer dereference in hide_cursor run #14: crashed: BUG: unable to handle kernel NULL pointer dereference in hide_cursor run #15: crashed: BUG: unable to handle kernel NULL pointer dereference in hide_cursor run #16: crashed: BUG: unable to handle kernel NULL pointer dereference in hide_cursor run #17: crashed: BUG: unable to handle kernel NULL pointer dereference in hide_cursor run #18: crashed: BUG: unable to handle kernel NULL pointer dereference in hide_cursor run #19: OK # git bisect good 9c3195778c71d7f0795d48e2f04a12c9d80d8b98 Bisecting: 10 revisions left to test after this (roughly 4 steps) [e0a472fffe435af52ea4e21e1e0001c5c8ffc6c7] Merge tag 'sound-5.12-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound testing commit e0a472fffe435af52ea4e21e1e0001c5c8ffc6c7 with gcc (GCC) 10.2.1 20210217 kernel signature: 04eee8694b0afa27ad32cdca893f8d3b0fdabbbe1cb322b5a3a19d969c14b841 all runs: OK # git bisect bad e0a472fffe435af52ea4e21e1e0001c5c8ffc6c7 Bisecting: 5 revisions left to test after this (roughly 3 steps) [035d80695fae55ed3e788cd8a62525657a43b924] Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs testing commit 035d80695fae55ed3e788cd8a62525657a43b924 with gcc (GCC) 10.2.1 20210217 kernel signature: bb4bb9e78e605ced80843f939db46cf2dff44f2e835f568b3771c0bbf18f7177 all runs: OK # git bisect bad 035d80695fae55ed3e788cd8a62525657a43b924 Bisecting: 2 revisions left to test after this (roughly 2 steps) [83520d62cc5a94d2ff0e2d37c8204fca13dd2637] ARC: treewide: avoid the pointer addition with NULL pointer testing commit 83520d62cc5a94d2ff0e2d37c8204fca13dd2637 with gcc (GCC) 10.2.1 20210217 kernel signature: 93882ca3b46c0459d78d79b8622efbf747dab7735c1589c4c645b508d0a1d324 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in hide_cursor # git bisect good 83520d62cc5a94d2ff0e2d37c8204fca13dd2637 Bisecting: 1 revision left to test after this (roughly 1 step) [4f0ed93fb92d3528c73c80317509df3f800a222b] LOOKUP_MOUNTPOINT: we are cleaning "jumped" flag too late testing commit 4f0ed93fb92d3528c73c80317509df3f800a222b with gcc (GCC) 10.2.1 20210217 kernel signature: e36e65999924e9854c3cc045a4677f857ec6c91c171ce6250cb0bd5617f21319 all runs: crashed: BUG: unable to handle kernel NULL pointer dereference in hide_cursor # git bisect good 4f0ed93fb92d3528c73c80317509df3f800a222b Bisecting: 0 revisions left to test after this (roughly 0 steps) [454859c552da78b0f587205d308401922b56863e] Merge tag 'arc-5.12-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc testing commit 454859c552da78b0f587205d308401922b56863e with gcc (GCC) 10.2.1 20210217 kernel signature: 99818416c96f45bd8224147c681221d4ba4ab3b8b79253294a7556b4229b3a1d all runs: OK # git bisect bad 454859c552da78b0f587205d308401922b56863e 454859c552da78b0f587205d308401922b56863e is the first bad commit commit 454859c552da78b0f587205d308401922b56863e Merge: 3a22981230f9 83520d62cc5a Author: Linus Torvalds Date: Wed Apr 7 13:21:21 2021 -0700 Merge tag 'arc-5.12-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc Pull ARC fixlets from Vineet Gupta: "A few straggler fixes for ARC" * tag 'arc-5.12-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc: ARC: treewide: avoid the pointer addition with NULL pointer arc: kernel: Return -EFAULT if copy_to_user() fails ARC: haps: bump memory to 1 GB arch/arc/boot/dts/haps_hs.dts | 2 +- arch/arc/kernel/signal.c | 4 ++-- arch/arc/kernel/unwind.c | 27 ++++++++++++++------------- 3 files changed, 17 insertions(+), 16 deletions(-) Reproducer flagged being flaky revisions tested: 17, total time: 4h12m52.232508403s (build: 1h59m55.905586324s, test: 2h11m8.207534995s) first good commit: 454859c552da78b0f587205d308401922b56863e Merge tag 'arc-5.12-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc recipients (to): ["torvalds@linux-foundation.org"] recipients (cc): []