bisecting fixing commit since d7e78d08fa77acdea351c8f628f49ca9a0e1029a building syzkaller on d5a3ae1f760e7cb2cd5a721d9645ae22eae114fe testing commit d7e78d08fa77acdea351c8f628f49ca9a0e1029a with gcc (GCC) 8.1.0 kernel signature: d3b66eca8452688b80caff21a77b8c930cb8a964e76342a581163bfc1be38a91 run #0: crashed: KASAN: use-after-free Read in rxrpc_free_skb run #1: crashed: KASAN: use-after-free Read in rxrpc_get_skb run #2: crashed: general protection fault in rxrpc_get_skb run #3: crashed: general protection fault in rxrpc_get_skb run #4: crashed: KASAN: use-after-free Read in rxrpc_see_skb run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK testing current HEAD ca87c82811906f4fc5e936705564ba8176ba497f testing commit ca87c82811906f4fc5e936705564ba8176ba497f with gcc (GCC) 8.1.0 kernel signature: 59b51708de1b2411f9dbfd8820f4f6d607aab27b0a8532677055d1682c7f57ac all runs: OK # git bisect start ca87c82811906f4fc5e936705564ba8176ba497f d7e78d08fa77acdea351c8f628f49ca9a0e1029a Bisecting: 132 revisions left to test after this (roughly 7 steps) [a6d4a84d569f49affa53959889d2b9acf885a97c] btrfs: set the lockdep class for log tree extent buffers testing commit a6d4a84d569f49affa53959889d2b9acf885a97c with gcc (GCC) 8.1.0 kernel signature: 0c0b118c7d45c217478d59c656286c39dba705bf859be097cd27f726a450a52b run #0: crashed: general protection fault in rxrpc_get_skb run #1: crashed: general protection fault in rxrpc_get_skb run #2: crashed: general protection fault in rxrpc_get_skb run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect good a6d4a84d569f49affa53959889d2b9acf885a97c Bisecting: 66 revisions left to test after this (roughly 6 steps) [e3a794a9d9a18898abaab33d27ed1f475b235d96] iio:adc:ti-adc084s021 Fix alignment and data leak issues. testing commit e3a794a9d9a18898abaab33d27ed1f475b235d96 with gcc (GCC) 8.1.0 kernel signature: f8a4e89e75ece2723027bab0fce3fa35ea75db1d453e858c9f7792827d6321e1 run #0: crashed: KASAN: use-after-free Read in rxrpc_free_skb run #1: crashed: general protection fault in rxrpc_get_skb run #2: crashed: general protection fault in rxrpc_get_skb run #3: crashed: general protection fault in rxrpc_get_skb run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect good e3a794a9d9a18898abaab33d27ed1f475b235d96 Bisecting: 33 revisions left to test after this (roughly 5 steps) [9a81aa7adf2ecf5090a18e496b9e9b66f0e34a25] gfs2: initialize transaction tr_ailX_lists earlier testing commit 9a81aa7adf2ecf5090a18e496b9e9b66f0e34a25 with gcc (GCC) 8.1.0 kernel signature: c62dcff1ac02445a4c508643fc9ebd52524c90209431f3200f707e5f5ad34d4b run #0: crashed: general protection fault in rxrpc_get_skb run #1: crashed: KASAN: use-after-free Read in rxrpc_see_skb 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 9a81aa7adf2ecf5090a18e496b9e9b66f0e34a25 Bisecting: 16 revisions left to test after this (roughly 4 steps) [38eefb1964388f93644b35ec77000c5fbecca9cc] MIPS: SNI: Fix MIPS_L1_CACHE_SHIFT testing commit 38eefb1964388f93644b35ec77000c5fbecca9cc with gcc (GCC) 8.1.0 kernel signature: 5724350f8e1c923cb1201630372268fe25624ae5c932839864ebdb227bd00195 all runs: OK # git bisect bad 38eefb1964388f93644b35ec77000c5fbecca9cc Bisecting: 8 revisions left to test after this (roughly 3 steps) [dcbf2eea53754ac0802de9dbc7d0ce6e1199e56d] SUNRPC: stop printk reading past end of string testing commit dcbf2eea53754ac0802de9dbc7d0ce6e1199e56d with gcc (GCC) 8.1.0 kernel signature: 064c3e773b7611327ab05d43ca7f11038fc1c7ee903d0dc46277e17e4d61fcaf run #0: crashed: general protection fault in rxrpc_get_skb run #1: crashed: KASAN: use-after-free Read in rxrpc_see_skb run #2: crashed: general protection fault in rxrpc_get_skb run #3: crashed: general protection fault in rxrpc_get_skb run #4: crashed: KASAN: use-after-free Read in rxrpc_see_skb run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect good dcbf2eea53754ac0802de9dbc7d0ce6e1199e56d Bisecting: 4 revisions left to test after this (roughly 2 steps) [30ce9a30a3881ae384e98aabd68310d053474e7e] i2c: algo: pca: Reapply i2c bus settings after reset testing commit 30ce9a30a3881ae384e98aabd68310d053474e7e with gcc (GCC) 8.1.0 kernel signature: c292b388e8a8f51bac0cb91661dd13656d42b542e3f59cd40e2c2e6106a88be4 run #0: crashed: general protection fault in rxrpc_get_skb run #1: crashed: general protection fault in rxrpc_get_skb 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 30ce9a30a3881ae384e98aabd68310d053474e7e Bisecting: 2 revisions left to test after this (roughly 1 step) [09d69bfda62ee278b4dccd4c2e756acf6325c717] KVM: MIPS: Change the definition of kvm type testing commit 09d69bfda62ee278b4dccd4c2e756acf6325c717 with gcc (GCC) 8.1.0 kernel signature: 1b73859315901101e5256d67c72e6c48ea2452ba1fc02c3af04996b258ba984e run #0: crashed: general protection fault in rxrpc_get_skb run #1: crashed: KASAN: use-after-free Read in rxrpc_free_skb 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 09d69bfda62ee278b4dccd4c2e756acf6325c717 Bisecting: 0 revisions left to test after this (roughly 1 step) [f3440c029e471962719de3cbd771933e2165b338] Drivers: hv: vmbus: Add timeout to vmbus_wait_for_unload testing commit f3440c029e471962719de3cbd771933e2165b338 with gcc (GCC) 8.1.0 kernel signature: bdb82cd979ceba0de125f340675fddd89729675ff98fc6258ae6f0ccab053b2f run #0: crashed: general protection fault in rxrpc_get_skb run #1: crashed: general protection fault in rxrpc_get_skb run #2: crashed: KASAN: use-after-free Read in rxrpc_see_skb run #3: crashed: KASAN: use-after-free Read in rxrpc_see_skb run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK # git bisect good f3440c029e471962719de3cbd771933e2165b338 38eefb1964388f93644b35ec77000c5fbecca9cc is the first bad commit commit 38eefb1964388f93644b35ec77000c5fbecca9cc Author: Thomas Bogendoerfer Date: Mon Sep 14 18:05:00 2020 +0200 MIPS: SNI: Fix MIPS_L1_CACHE_SHIFT [ Upstream commit 564c836fd945a94b5dd46597d6b7adb464092650 ] Commit 930beb5ac09a ("MIPS: introduce MIPS_L1_CACHE_SHIFT_") forgot to select the correct MIPS_L1_CACHE_SHIFT for SNI RM. This breaks non coherent DMA because of a wrong allocation alignment. Fixes: 930beb5ac09a ("MIPS: introduce MIPS_L1_CACHE_SHIFT_") Signed-off-by: Thomas Bogendoerfer Signed-off-by: Sasha Levin arch/mips/Kconfig | 1 + 1 file changed, 1 insertion(+) culprit signature: 5724350f8e1c923cb1201630372268fe25624ae5c932839864ebdb227bd00195 parent signature: bdb82cd979ceba0de125f340675fddd89729675ff98fc6258ae6f0ccab053b2f revisions tested: 10, total time: 3h4m17.992524592s (build: 1h26m31.023031632s, test: 1h36m30.365251652s) first good commit: 38eefb1964388f93644b35ec77000c5fbecca9cc MIPS: SNI: Fix MIPS_L1_CACHE_SHIFT recipients (to): ["linux-mips@linux-mips.org" "ralf@linux-mips.org" "sashal@kernel.org" "tsbogend@alpha.franken.de"] recipients (cc): ["linux-kernel@vger.kernel.org"]