bisecting fixing commit since fbc5fe7a54d02e11972e3b2a5ddb6ffc88162c8f
building syzkaller on ab342da3f9aa45e3f2d9e872576ab5cd3e3c350b
testing commit fbc5fe7a54d02e11972e3b2a5ddb6ffc88162c8f with gcc (GCC) 8.1.0
kernel signature: 022dcda5473f9d936bd517414d3412c67f65a495ebd50612e351c5ee1455c144
run #0: crashed: INFO: task hung in fb_open
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
testing current HEAD d7e78d08fa77acdea351c8f628f49ca9a0e1029a
testing commit d7e78d08fa77acdea351c8f628f49ca9a0e1029a with gcc (GCC) 8.1.0
kernel signature: 94f8728316487ef2c16c39402ee1b48c3dc6482dcddbdcd07dc7a5b1eb6c88d9
all runs: OK
# git bisect start d7e78d08fa77acdea351c8f628f49ca9a0e1029a fbc5fe7a54d02e11972e3b2a5ddb6ffc88162c8f
Bisecting: 2017 revisions left to test after this (roughly 11 steps)
[581695e615571f68d9c63d82d88a8172ef160d62] tracing: Disable trace_printk() on post poned tests
testing commit 581695e615571f68d9c63d82d88a8172ef160d62 with gcc (GCC) 8.1.0
kernel signature: eba7f055e62793b7313b9f6d2844b81d1d5967620d0f5bcf405c86273518d6ed
run #0: basic kernel testing failed: timed out
run #1: basic kernel testing failed: timed out
run #2: basic kernel testing failed: timed out
run #3: basic kernel testing failed: timed out
run #4: basic kernel testing failed: timed out
run #5: basic kernel testing failed: timed out
run #6: basic kernel testing failed: timed out
run #7: basic kernel testing failed: timed out
run #8: basic kernel testing failed: timed out
run #9: OK
# git bisect skip 581695e615571f68d9c63d82d88a8172ef160d62
Bisecting: 2017 revisions left to test after this (roughly 11 steps)
[358aba9b3ba4264060598559043e99bd621f263d] tty: serial: msm_serial: Fix flow control
testing commit 358aba9b3ba4264060598559043e99bd621f263d with gcc (GCC) 8.1.0
kernel signature: bd61d9543ab843fbb72b302f6edcdc564fe07304920d2b3e34e5c0296b9fc933
run #0: crashed: INFO: task hung in fb_open
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 358aba9b3ba4264060598559043e99bd621f263d
Bisecting: 1909 revisions left to test after this (roughly 11 steps)
[2165d304e82cd5a5c36d4c7a7c8579b4d907b8a9] net: fq: add missing attribute validation for orphan mask
testing commit 2165d304e82cd5a5c36d4c7a7c8579b4d907b8a9 with gcc (GCC) 8.1.0
kernel signature: 7728805806ce25dd983e9bec9e522c6b396177cc07d5800601028c6d4fcb5da8
run #0: crashed: INFO: task hung in fb_open
run #1: crashed: INFO: task hung in fb_open
run #2: crashed: INFO: task hung in fb_open
run #3: crashed: INFO: task hung in fb_open
run #4: crashed: INFO: task hung in fb_open
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
# git bisect good 2165d304e82cd5a5c36d4c7a7c8579b4d907b8a9
Bisecting: 954 revisions left to test after this (roughly 10 steps)
[5523bc9ca5fc051847b28dffa2e21aa9fb8d34c6] efi/efivars: Add missing kobject_put() in sysfs entry creation error path
testing commit 5523bc9ca5fc051847b28dffa2e21aa9fb8d34c6 with gcc (GCC) 8.1.0
kernel signature: 3118c5a570c47df8fc1971ac6b1fb7dafb58993fc1121e88eddf3ac9e74e73eb
run #0: crashed: INFO: task hung in fb_open
run #1: crashed: INFO: task hung in fb_open
run #2: crashed: INFO: task hung in fb_open
run #3: OK
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
# git bisect good 5523bc9ca5fc051847b28dffa2e21aa9fb8d34c6
Bisecting: 476 revisions left to test after this (roughly 9 steps)
[21276e9d5627ca047268730160305d869f9072f4] iio:humidity:hdc100x Fix alignment and data leak issues
testing commit 21276e9d5627ca047268730160305d869f9072f4 with gcc (GCC) 8.1.0
kernel signature: 26aa5533a33e8b3b3cf9d9d583ce24da778dca0769a4337e4695a7cc179d30ba
all runs: boot failed: WARNING in kvm_mmu_set_mmio_spte_mask
# git bisect skip 21276e9d5627ca047268730160305d869f9072f4
Bisecting: 476 revisions left to test after this (roughly 9 steps)
[7038f9eb426c820422cc3f56f26001a3f4f6e1bc] s390/kasan: fix early pgm check handler execution
testing commit 7038f9eb426c820422cc3f56f26001a3f4f6e1bc with gcc (GCC) 8.1.0
kernel signature: 82a11c97b26324fe1fdfe03d4741289e30dcea05c43f095e980371edbb94fb82
all runs: boot failed: WARNING in kvm_mmu_set_mmio_spte_mask
# git bisect skip 7038f9eb426c820422cc3f56f26001a3f4f6e1bc
Bisecting: 476 revisions left to test after this (roughly 9 steps)
[325dbbbefbe9cab6842cf67baf23e6521e39f6f2] drm/arm: fix unintentional integer overflow on left shift
testing commit 325dbbbefbe9cab6842cf67baf23e6521e39f6f2 with gcc (GCC) 8.1.0
kernel signature: bf8406b77308c6851b586a93d30090120ded1dc6e31cdf5b73a7d3425307e199
all runs: OK
# git bisect bad 325dbbbefbe9cab6842cf67baf23e6521e39f6f2
Bisecting: 381 revisions left to test after this (roughly 9 steps)
[653db17384a3a1875d13cab23e7a4bd04188e9e0] SUNRPC: Properly set the @subbuf parameter of xdr_buf_subsegment()
testing commit 653db17384a3a1875d13cab23e7a4bd04188e9e0 with gcc (GCC) 8.1.0
kernel signature: f3b855cdc70bae3a465bc6919eb154d80748c980694bad746766142f710f741e
all runs: boot failed: WARNING in kvm_mmu_set_mmio_spte_mask
# git bisect skip 653db17384a3a1875d13cab23e7a4bd04188e9e0
Bisecting: 381 revisions left to test after this (roughly 9 steps)
[1c7b654a37d68757cc1eef45454238dc8df0ee6a] arm64: perf: Report the PC value in REGS_ABI_32 mode
testing commit 1c7b654a37d68757cc1eef45454238dc8df0ee6a with gcc (GCC) 8.1.0
kernel signature: 45f5657b4fd321e7a4b4a985f7d8e284ba562f962a36e21b8141b192d0eab27c
all runs: boot failed: WARNING in kvm_mmu_set_mmio_spte_mask
# git bisect skip 1c7b654a37d68757cc1eef45454238dc8df0ee6a
Bisecting: 381 revisions left to test after this (roughly 9 steps)
[9bae486e00b76645bd95f1fa269225581391068b] USB: host: ehci-mxc: Add error handling in ehci_mxc_drv_probe()
testing commit 9bae486e00b76645bd95f1fa269225581391068b with gcc (GCC) 8.1.0
kernel signature: f572ed6d46292a01e67933364f6531729546fb88ef4eba5e9a532f18c7469813
all runs: boot failed: WARNING in kvm_mmu_set_mmio_spte_mask
# git bisect skip 9bae486e00b76645bd95f1fa269225581391068b
Bisecting: 381 revisions left to test after this (roughly 9 steps)
[76c3f19c35965ddbd8bf6fa786b68e75ecdbf394] NFSv4 fix CLOSE not waiting for direct IO compeletion
testing commit 76c3f19c35965ddbd8bf6fa786b68e75ecdbf394 with gcc (GCC) 8.1.0
kernel signature: 727fce84ebb58a4afcc86663d2e90e6ef14cdab53649c01c9ad8860c22a867d3
all runs: boot failed: WARNING in kvm_mmu_set_mmio_spte_mask
# git bisect skip 76c3f19c35965ddbd8bf6fa786b68e75ecdbf394
Bisecting: 381 revisions left to test after this (roughly 9 steps)
[264175bd94374683d4b0f4944294b44878defe87] usb: gadget: fix potential double-free in m66592_probe.
testing commit 264175bd94374683d4b0f4944294b44878defe87 with gcc (GCC) 8.1.0
kernel signature: 72d07efc495c96043381d3ae60a7ae795f621198ced1dd1e6d70f1eafcedadb3
all runs: boot failed: WARNING in kvm_mmu_set_mmio_spte_mask
# git bisect skip 264175bd94374683d4b0f4944294b44878defe87
Bisecting: 381 revisions left to test after this (roughly 9 steps)
[8641abcf0963ecb3b649e31e46cf2c6610c3493a] ACPI: sysfs: Fix reference count leak in acpi_sysfs_add_hotplug_profile()
testing commit 8641abcf0963ecb3b649e31e46cf2c6610c3493a with gcc (GCC) 8.1.0
kernel signature: 3c2d4adc3ea569b496fedf103908cf857d62c8953e53fe56265a1487389fa44e
run #0: crashed: INFO: task hung in fb_open
run #1: crashed: INFO: task hung in fb_open
run #2: crashed: INFO: task hung in fb_open
run #3: crashed: INFO: task hung in fb_open
run #4: OK
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
# git bisect good 8641abcf0963ecb3b649e31e46cf2c6610c3493a
Bisecting: 379 revisions left to test after this (roughly 9 steps)
[baa9302d086234cda3642b79758722c263d137e8] KVM: arm64: Make vcpu_cp1x() work on Big Endian hosts
testing commit baa9302d086234cda3642b79758722c263d137e8 with gcc (GCC) 8.1.0
kernel signature: 6801d6517ff8379bb21dbd591c7ff37cd8e539b286dec4fe71a11822fe73c20c
all runs: boot failed: WARNING in kvm_mmu_set_mmio_spte_mask
# git bisect skip baa9302d086234cda3642b79758722c263d137e8
Bisecting: 379 revisions left to test after this (roughly 9 steps)
[125de1ce27a04609be11d1ec9c3ee4b9a1ef633a] arm64: hw_breakpoint: Don't invoke overflow handler on uaccess watchpoints
testing commit 125de1ce27a04609be11d1ec9c3ee4b9a1ef633a with gcc (GCC) 8.1.0
kernel signature: 27a27d52580d98a253a27f929336e5e852d2c4d4732b6774f96a902cb7c07d7f
all runs: boot failed: WARNING in kvm_mmu_set_mmio_spte_mask
# git bisect skip 125de1ce27a04609be11d1ec9c3ee4b9a1ef633a
Bisecting: 379 revisions left to test after this (roughly 9 steps)
[236a93cb8a0beae688ccc1146247d81bb2f1114a] hv_netvsc: do not use VF device if link is down
testing commit 236a93cb8a0beae688ccc1146247d81bb2f1114a with gcc (GCC) 8.1.0
kernel signature: 0e38984168c23ac7df31261f7384f4d1a7ac2ace09354610451a2c8686b521ad
all runs: OK
# git bisect bad 236a93cb8a0beae688ccc1146247d81bb2f1114a
Bisecting: 354 revisions left to test after this (roughly 9 steps)
[9be0376a05b0a80ad073773ad47dbe7f5d5e622f] ARM: imx5: add missing put_device() call in imx_suspend_alloc_ocram()
testing commit 9be0376a05b0a80ad073773ad47dbe7f5d5e622f with gcc (GCC) 8.1.0
kernel signature: 403c20982cff69bf94e61e1daa00b42a295ff16cf5e075e92afe616c0a30fb68
all runs: boot failed: WARNING in kvm_mmu_set_mmio_spte_mask
# git bisect skip 9be0376a05b0a80ad073773ad47dbe7f5d5e622f
Bisecting: 354 revisions left to test after this (roughly 9 steps)
[60491c5ab451d9adc8fb58fa88d08606f8ba8f92] tcp_cubic: fix spurious HYSTART_DELAY exit upon drop in min RTT
testing commit 60491c5ab451d9adc8fb58fa88d08606f8ba8f92 with gcc (GCC) 8.1.0
kernel signature: ac3d77bfec94a5dac4c12d7508bf35e33618bec8a4e9221d0e132b37083938a8
all runs: boot failed: WARNING in kvm_mmu_set_mmio_spte_mask
# git bisect skip 60491c5ab451d9adc8fb58fa88d08606f8ba8f92
Bisecting: 354 revisions left to test after this (roughly 9 steps)
[f8ff4d81aba6dbbb526074ff275ab02b77d5efe6] sunrpc: svcauth_gss_register_pseudoflavor must reject duplicate registrations.
testing commit f8ff4d81aba6dbbb526074ff275ab02b77d5efe6 with gcc (GCC) 8.1.0
kernel signature: edda2ea6248b499be550ac7c6d1b7deafa3c06b35d2366ad06545391f0c74ef8
all runs: boot failed: WARNING in kvm_mmu_set_mmio_spte_mask
# git bisect skip f8ff4d81aba6dbbb526074ff275ab02b77d5efe6
Bisecting: 354 revisions left to test after this (roughly 9 steps)
[75aceaa6ad5bc2d67f65314eb657ffcc8c1669af] pNFS/flexfiles: Fix list corruption if the mirror count changes
testing commit 75aceaa6ad5bc2d67f65314eb657ffcc8c1669af with gcc (GCC) 8.1.0
kernel signature: 538114c9c63ee3be3a27e97c272e458260a102a04f263cc70b51936df96ae8bb
all runs: boot failed: WARNING in kvm_mmu_set_mmio_spte_mask
# git bisect skip 75aceaa6ad5bc2d67f65314eb657ffcc8c1669af
Bisecting: 354 revisions left to test after this (roughly 9 steps)
[9255e73a4d372babdb3095561952696d0330bd74] mac80211: allow rx of mesh eapol frames with default rx key
testing commit 9255e73a4d372babdb3095561952696d0330bd74 with gcc (GCC) 8.1.0
kernel signature: 89c2dcb58dec3f32a76ef36ea19a796f5fc1276755968976621f70c40c08e24c
run #0: crashed: INFO: task hung in fb_open
run #1: crashed: INFO: task hung in fb_open
run #2: crashed: INFO: task hung in fb_open
run #3: crashed: INFO: task hung in fb_open
run #4: crashed: INFO: task hung in fb_open
run #5: OK
run #6: OK
run #7: OK
run #8: OK
run #9: OK
# git bisect good 9255e73a4d372babdb3095561952696d0330bd74
Bisecting: 83 revisions left to test after this (roughly 6 steps)
[fd4a641bb5731c0ce5397698560a823602dbaac2] x86/kvm: Be careful not to clear KVM_VCPU_FLUSH_TLB bit
testing commit fd4a641bb5731c0ce5397698560a823602dbaac2 with gcc (GCC) 8.1.0
kernel signature: 4f454cd2c2b087b988a900818a56ef648f4306552f0b20ae30ffbd009a017731
all runs: OK
# git bisect bad fd4a641bb5731c0ce5397698560a823602dbaac2
Bisecting: 41 revisions left to test after this (roughly 5 steps)
[d5a5f0e7b39ddde1f2c7f2053fe00ef860c36bd3] binder: Don't use mmput() from shrinker function.
revisions tested: 24, total time: 8h16m14.936946206s (build: 3h54m50.7301062s, test: 4h18m34.378829033s)
error: bisection is taking too long (>8h0m0s), aborting