bisecting fixing commit since 58fce20645303bee01d74144ec00e405be43b1ca building syzkaller on 312c6a5a7320db186455424e498cfb181fb7b33e testing commit 58fce20645303bee01d74144ec00e405be43b1ca with gcc (GCC) 8.1.0 kernel signature: 2f173f102864c7770fd07e1b9b8fe77c5e3fa185 all runs: crashed: KASAN: null-ptr-deref Write in kvm_write_guest_virt_system testing current HEAD fb683b5e3f53a73e761952735736180939a313df testing commit fb683b5e3f53a73e761952735736180939a313df with gcc (GCC) 8.1.0 kernel signature: d746dfbaa42e46134b161826b2c35b2dc1ccce50 all runs: OK # git bisect start fb683b5e3f53a73e761952735736180939a313df 58fce20645303bee01d74144ec00e405be43b1ca Bisecting: 976 revisions left to test after this (roughly 10 steps) [5e9923e85e1c7bff99a964417d5ae1808e23dfb5] usb: usbtmc: Fix ioctl USBTMC_IOCTL_ABORT_BULK_OUT testing commit 5e9923e85e1c7bff99a964417d5ae1808e23dfb5 with gcc (GCC) 8.1.0 kernel signature: 0e974b5c0a9b6296100368363ae194fc0b1db9dd all runs: OK # git bisect bad 5e9923e85e1c7bff99a964417d5ae1808e23dfb5 Bisecting: 487 revisions left to test after this (roughly 9 steps) [1d72dbb4ca2f4a955d476ca70e449f53a7d58924] net/mlx4_core: Dynamically set guaranteed amount of counters per VF testing commit 1d72dbb4ca2f4a955d476ca70e449f53a7d58924 with gcc (GCC) 8.1.0 kernel signature: 39a1d53f9e2bcbd4b5427f6b5dfe2504adbd0e6c all runs: OK # git bisect bad 1d72dbb4ca2f4a955d476ca70e449f53a7d58924 Bisecting: 243 revisions left to test after this (roughly 8 steps) [3638ccda1009615d55d539970f61ddaab3ef9fc2] scsi: zfcp: fix reaction on bit error threshold notification testing commit 3638ccda1009615d55d539970f61ddaab3ef9fc2 with gcc (GCC) 8.1.0 kernel signature: bf82661c587c55110221f628ae7c62c17e90581e all runs: OK # git bisect bad 3638ccda1009615d55d539970f61ddaab3ef9fc2 Bisecting: 121 revisions left to test after this (roughly 7 steps) [077855ba2df2b4439d959a45aa28ccb4fa636c27] xhci: Fix false warning message about wrong bounce buffer write length testing commit 077855ba2df2b4439d959a45aa28ccb4fa636c27 with gcc (GCC) 8.1.0 kernel signature: 11b2ef628c8dc2f359fcb8a9edf4167cafcdd2a1 all runs: OK # git bisect bad 077855ba2df2b4439d959a45aa28ccb4fa636c27 Bisecting: 60 revisions left to test after this (roughly 6 steps) [19b1c70e911c4979a501a56228414cbc4229982d] pNFS: Ensure we do clear the return-on-close layout stateid on fatal errors testing commit 19b1c70e911c4979a501a56228414cbc4229982d with gcc (GCC) 8.1.0 kernel signature: 892b0e3e7f941b9d75c4bd18a1a028b4066871e8 all runs: OK # git bisect bad 19b1c70e911c4979a501a56228414cbc4229982d Bisecting: 30 revisions left to test after this (roughly 5 steps) [e010c98351838230e00359fbd3e37b3444dc09fd] tracing: Make sure variable reference alias has correct var_ref_idx testing commit e010c98351838230e00359fbd3e37b3444dc09fd with gcc (GCC) 8.1.0 kernel signature: 578bb84b190237673459bf55ed2605ee8714a4ce all runs: OK # git bisect bad e010c98351838230e00359fbd3e37b3444dc09fd Bisecting: 14 revisions left to test after this (roughly 4 steps) [ba3ca9fcb0e7ea897f777f10b0a33b4d27e9e658] powerpc/mce: Schedule work from irq_work testing commit ba3ca9fcb0e7ea897f777f10b0a33b4d27e9e658 with gcc (GCC) 8.1.0 kernel signature: 095ca22edb32c84ca49c4c9ab149fd2747e03a45 run #0: crashed: BUG: unable to handle kernel paging request in init_srcu_struct_fields 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 ba3ca9fcb0e7ea897f777f10b0a33b4d27e9e658 Bisecting: 7 revisions left to test after this (roughly 3 steps) [cd8e0a5d94fba7c6032484ac89254940bad9b537] crypto: skcipher - Unmap pages after an external error testing commit cd8e0a5d94fba7c6032484ac89254940bad9b537 with gcc (GCC) 8.1.0 kernel signature: c63ead7d5d4ce6854dbcad3c9643c72aff9f1fe3 run #0: crashed: INFO: rcu detected stall in __do_softirq run #1: crashed: no output from test machine 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 cd8e0a5d94fba7c6032484ac89254940bad9b537 Bisecting: 3 revisions left to test after this (roughly 2 steps) [a0dc60ac6bef99fe8c00bbebffa66b704c075d15] crypto: ccree - use the full crypt length value testing commit a0dc60ac6bef99fe8c00bbebffa66b704c075d15 with gcc (GCC) 8.1.0 kernel signature: 4ca66ac7b971d3ac13b947c75410d9cb0e2a094d all runs: OK # git bisect bad a0dc60ac6bef99fe8c00bbebffa66b704c075d15 Bisecting: 1 revision left to test after this (roughly 1 step) [561bf9309209e174035eaee0edfc3247ecfdff76] crypto: caam - fix concurrency issue in givencrypt descriptor testing commit 561bf9309209e174035eaee0edfc3247ecfdff76 with gcc (GCC) 8.1.0 kernel signature: 953aff6f838ed3b841c696fd7cae802cb84c9981 all runs: OK # git bisect bad 561bf9309209e174035eaee0edfc3247ecfdff76 Bisecting: 0 revisions left to test after this (roughly 0 steps) [3683dd7074dcda394cc4f976c5ef26fbb9dfb11c] crypto: cavium/zip - Add missing single_release() testing commit 3683dd7074dcda394cc4f976c5ef26fbb9dfb11c with gcc (GCC) 8.1.0 kernel signature: 9d84b75cf93dddafb400056863bde19433347c76 all runs: OK # git bisect bad 3683dd7074dcda394cc4f976c5ef26fbb9dfb11c 3683dd7074dcda394cc4f976c5ef26fbb9dfb11c is the first bad commit commit 3683dd7074dcda394cc4f976c5ef26fbb9dfb11c Author: Wei Yongjun Date: Wed Sep 4 14:18:09 2019 +0000 crypto: cavium/zip - Add missing single_release() commit c552ffb5c93d9d65aaf34f5f001c4e7e8484ced1 upstream. When using single_open() for opening, single_release() should be used instead of seq_release(), otherwise there is a memory leak. Fixes: 09ae5d37e093 ("crypto: zip - Add Compression/Decompression statistics") Cc: Signed-off-by: Wei Yongjun Signed-off-by: Herbert Xu Signed-off-by: Greg Kroah-Hartman drivers/crypto/cavium/zip/zip_main.c | 3 +++ 1 file changed, 3 insertions(+) culprit signature: 9d84b75cf93dddafb400056863bde19433347c76 parent signature: c63ead7d5d4ce6854dbcad3c9643c72aff9f1fe3 revisions tested: 13, total time: 3h55m37.800455221s (build: 1h48m50.548860003s, test: 2h5m10.237958281s) first good commit: 3683dd7074dcda394cc4f976c5ef26fbb9dfb11c crypto: cavium/zip - Add missing single_release() cc: ["gregkh@linuxfoundation.org" "herbert@gondor.apana.org.au" "weiyongjun1@huawei.com"]