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charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hello, syzbot tried to test the proposed patch but the build/boot failed: gistered new interface driver port100 [ 8.605288][ T1] usbcore: registered new interface driver nfcmrvl [ 8.612384][ T1] Loading iSCSI transport class v2.0-870. [ 8.632743][ T1] virtio_scsi virtio0: 1/0/0 default/read/poll queues [ 8.649045][ T1] ------------[ cut here ]------------ [ 8.651103][ T1] refcount_t: decrement hit 0; leaking memory. [ 8.653196][ T1] WARNING: CPU: 0 PID: 1 at lib/refcount.c:31 refcount= _warn_saturate+0xfa/0x1d0 [ 8.656346][ T1] Modules linked in: [ 8.658418][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.9.0-rc2-= syzkaller-00751-g811b83628577 #0 [ 8.661088][ T1] Hardware name: Google Google Compute Engine/Google C= ompute Engine, BIOS Google 03/27/2024 [ 8.663945][ T1] RIP: 0010:refcount_warn_saturate+0xfa/0x1d0 [ 8.666244][ T1] Code: b2 00 00 00 e8 f7 ca e7 fc 5b 5d c3 cc cc cc c= c e8 eb ca e7 fc c6 05 ed 2e e6 0a 01 90 48 c7 c7 60 53 1f 8c e8 f7 65 aa f= c 90 <0f> 0b 90 90 eb d9 e8 cb ca e7 fc c6 05 ca 2e e6 0a 01 90 48 c7 c7 [ 8.672287][ T1] RSP: 0000:ffffc90000066e18 EFLAGS: 00010246 [ 8.674145][ T1] RAX: e9d1be24727a8200 RBX: ffff888140706ffc RCX: fff= f8880166d0000 [ 8.676538][ T1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000= 0000000000000 [ 8.679139][ T1] RBP: 0000000000000004 R08: ffffffff8157ff62 R09: fff= ffbfff1c39af8 [ 8.682784][ T1] R10: dffffc0000000000 R11: fffffbfff1c39af8 R12: fff= fea000501ddc0 [ 8.684849][ T1] R13: ffffea000501ddc8 R14: 1ffffd4000a03bb9 R15: 000= 0000000000000 [ 8.687096][ T1] FS: 0000000000000000(0000) GS:ffff8880b9400000(0000= ) knlGS:0000000000000000 [ 8.690385][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8.692275][ T1] CR2: ffff88823ffff000 CR3: 000000000e134000 CR4: 000= 00000003506f0 [ 8.694842][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 000= 0000000000000 [ 8.697463][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 000= 0000000000400 [ 8.699145][ T1] Call Trace: [ 8.699945][ T1] [ 8.700721][ T1] ? __warn+0x163/0x4e0 [ 8.701507][ T1] ? refcount_warn_saturate+0xfa/0x1d0 [ 8.703186][ T1] ? report_bug+0x2b3/0x500 [ 8.704498][ T1] ? refcount_warn_saturate+0xfa/0x1d0 [ 8.706166][ T1] ? handle_bug+0x3e/0x70 [ 8.707260][ T1] ? exc_invalid_op+0x1a/0x50 [ 8.708055][ T1] ? asm_exc_invalid_op+0x1a/0x20 [ 8.709269][ T1] ? __warn_printk+0x292/0x360 [ 8.710533][ T1] ? refcount_warn_saturate+0xfa/0x1d0 [ 8.712248][ T1] ? refcount_warn_saturate+0xf9/0x1d0 [ 8.714123][ T1] __free_pages_ok+0xc60/0xd90 [ 8.715511][ T1] make_alloc_exact+0xa3/0xf0 [ 8.716981][ T1] vring_alloc_queue_split+0x20a/0x600 [ 8.718319][ T1] ? __pfx_vring_alloc_queue_split+0x10/0x10 [ 8.720194][ T1] ? vp_find_vqs+0x4c/0x4e0 [ 8.721462][ T1] ? virtscsi_probe+0x3ea/0xf60 [ 8.722932][ T1] ? virtio_dev_probe+0x991/0xaf0 [ 8.724571][ T1] ? really_probe+0x2b8/0xad0 [ 8.725948][ T1] ? driver_probe_device+0x50/0x430 [ 8.727795][ T1] vring_create_virtqueue_split+0xc6/0x310 [ 8.729706][ T1] ? ret_from_fork+0x4b/0x80 [ 8.731360][ T1] ? __pfx_vring_create_virtqueue_split+0x10/0x10 [ 8.733405][ T1] vring_create_virtqueue+0xca/0x110 [ 8.735009][ T1] ? __pfx_vp_notify+0x10/0x10 [ 8.736149][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 8.737338][ T1] setup_vq+0xe9/0x2d0 [ 8.738378][ T1] ? __pfx_vp_notify+0x10/0x10 [ 8.739626][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 8.741097][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 8.743341][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 8.745685][ T1] vp_setup_vq+0xbf/0x330 [ 8.747110][ T1] ? __pfx_vp_config_changed+0x10/0x10 [ 8.748754][ T1] ? ioread16+0x2f/0x90 [ 8.749696][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 8.751335][ T1] vp_find_vqs_msix+0x8b2/0xc80 [ 8.752882][ T1] vp_find_vqs+0x4c/0x4e0 [ 8.754279][ T1] virtscsi_init+0x8db/0xd00 [ 8.755286][ T1] ? __pfx_virtscsi_init+0x10/0x10 [ 8.756448][ T1] ? __pfx_default_calc_sets+0x10/0x10 [ 8.757687][ T1] ? scsi_host_alloc+0xa57/0xea0 [ 8.758997][ T1] ? vp_get+0xfd/0x140 [ 8.760105][ T1] virtscsi_probe+0x3ea/0xf60 [ 8.761249][ T1] ? __pfx_virtscsi_probe+0x10/0x10 [ 8.763039][ T1] ? vp_modern_admin_cmd_exec+0x5cd/0x820 [ 8.764646][ T1] ? __pfx_vp_set_status+0x10/0x10 [ 8.766479][ T1] ? vp_set_status+0x1a/0x40 [ 8.767568][ T1] ? virtio_no_restricted_mem_acc+0x9/0x10 [ 8.770008][ T1] ? virtio_features_ok+0x10c/0x270 [ 8.771947][ T1] virtio_dev_probe+0x991/0xaf0 [ 8.772988][ T1] ? __pfx_virtio_dev_probe+0x10/0x10 [ 8.774056][ T1] really_probe+0x2b8/0xad0 [ 8.775076][ T1] __driver_probe_device+0x1a2/0x390 [ 8.776233][ T1] driver_probe_device+0x50/0x430 [ 8.777117][ T1] __driver_attach+0x45f/0x710 [ 8.777974][ T1] ? __pfx___driver_attach+0x10/0x10 [ 8.779233][ T1] bus_for_each_dev+0x239/0x2b0 [ 8.780598][ T1] ? __pfx___driver_attach+0x10/0x10 [ 8.781797][ T1] ? __pfx_bus_for_each_dev+0x10/0x10 [ 8.783335][ T1] ? do_raw_spin_unlock+0x13c/0x8b0 [ 8.784745][ T1] bus_add_driver+0x347/0x620 [ 8.785738][ T1] driver_register+0x23a/0x320 [ 8.787433][ T1] ? __pfx_virtio_scsi_init+0x10/0x10 [ 8.789446][ T1] virtio_scsi_init+0x65/0xe0 [ 8.790926][ T1] ? __pfx_virtio_scsi_init+0x10/0x10 [ 8.792609][ T1] do_one_initcall+0x248/0x880 [ 8.793941][ T1] ? __pfx_virtio_scsi_init+0x10/0x10 [ 8.795386][ T1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 8.797023][ T1] ? __pfx_do_one_initcall+0x10/0x10 [ 8.798339][ T1] ? __pfx_parse_args+0x10/0x10 [ 8.799797][ T1] ? do_initcalls+0x1c/0x80 [ 8.800781][ T1] ? rcu_is_watching+0x15/0xb0 [ 8.802366][ T1] do_initcall_level+0x157/0x210 [ 8.803925][ T1] do_initcalls+0x3f/0x80 [ 8.805248][ T1] kernel_init_freeable+0x435/0x5d0 [ 8.806706][ T1] ? __pfx_kernel_init_freeable+0x10/0x10 [ 8.809002][ T1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 8.810542][ T1] ? __pfx_kernel_init+0x10/0x10 [ 8.812134][ T1] ? __pfx_kernel_init+0x10/0x10 [ 8.813888][ T1] ? __pfx_kernel_init+0x10/0x10 [ 8.815517][ T1] kernel_init+0x1d/0x2b0 [ 8.817233][ T1] ret_from_fork+0x4b/0x80 [ 8.818982][ T1] ? __pfx_kernel_init+0x10/0x10 [ 8.820333][ T1] ret_from_fork_asm+0x1a/0x30 [ 8.821668][ T1] [ 8.822521][ T1] Kernel panic - not syncing: kernel: panic_on_warn se= t ... [ 8.824148][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.9.0-rc2-= syzkaller-00751-g811b83628577 #0 [ 8.825595][ T1] Hardware name: Google Google Compute Engine/Google C= ompute Engine, BIOS Google 03/27/2024 [ 8.825595][ T1] Call Trace: [ 8.825595][ T1] [ 8.825595][ T1] dump_stack_lvl+0x241/0x360 [ 8.825595][ T1] ? __pfx_dump_stack_lvl+0x10/0x10 [ 8.825595][ T1] ? __pfx__printk+0x10/0x10 [ 8.825595][ T1] ? _printk+0xd5/0x120 [ 8.825595][ T1] ? vscnprintf+0x5d/0x90 [ 8.825595][ T1] panic+0x349/0x860 [ 8.825595][ T1] ? __warn+0x172/0x4e0 [ 8.825595][ T1] ? __pfx_panic+0x10/0x10 [ 8.825595][ T1] ? show_trace_log_lvl+0x4e6/0x520 [ 8.825595][ T1] ? ret_from_fork_asm+0x1a/0x30 [ 8.825595][ T1] __warn+0x346/0x4e0 [ 8.825595][ T1] ? refcount_warn_saturate+0xfa/0x1d0 [ 8.825595][ T1] report_bug+0x2b3/0x500 [ 8.825595][ T1] ? refcount_warn_saturate+0xfa/0x1d0 [ 8.825595][ T1] handle_bug+0x3e/0x70 [ 8.825595][ T1] exc_invalid_op+0x1a/0x50 [ 8.825595][ T1] asm_exc_invalid_op+0x1a/0x20 [ 8.825595][ T1] RIP: 0010:refcount_warn_saturate+0xfa/0x1d0 [ 8.825595][ T1] Code: b2 00 00 00 e8 f7 ca e7 fc 5b 5d c3 cc cc cc c= c e8 eb ca e7 fc c6 05 ed 2e e6 0a 01 90 48 c7 c7 60 53 1f 8c e8 f7 65 aa f= c 90 <0f> 0b 90 90 eb d9 e8 cb ca e7 fc c6 05 ca 2e e6 0a 01 90 48 c7 c7 [ 8.865888][ T1] RSP: 0000:ffffc90000066e18 EFLAGS: 00010246 [ 8.865888][ T1] RAX: e9d1be24727a8200 RBX: ffff888140706ffc RCX: fff= f8880166d0000 [ 8.865888][ T1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000= 0000000000000 [ 8.865888][ T1] RBP: 0000000000000004 R08: ffffffff8157ff62 R09: fff= ffbfff1c39af8 [ 8.865888][ T1] R10: dffffc0000000000 R11: fffffbfff1c39af8 R12: fff= fea000501ddc0 [ 8.865888][ T1] R13: ffffea000501ddc8 R14: 1ffffd4000a03bb9 R15: 000= 0000000000000 [ 8.865888][ T1] ? __warn_printk+0x292/0x360 [ 8.865888][ T1] ? refcount_warn_saturate+0xf9/0x1d0 [ 8.865888][ T1] __free_pages_ok+0xc60/0xd90 [ 8.865888][ T1] make_alloc_exact+0xa3/0xf0 [ 8.865888][ T1] vring_alloc_queue_split+0x20a/0x600 [ 8.865888][ T1] ? __pfx_vring_alloc_queue_split+0x10/0x10 [ 8.865888][ T1] ? vp_find_vqs+0x4c/0x4e0 [ 8.865888][ T1] ? virtscsi_probe+0x3ea/0xf60 [ 8.865888][ T1] ? virtio_dev_probe+0x991/0xaf0 [ 8.865888][ T1] ? really_probe+0x2b8/0xad0 [ 8.865888][ T1] ? driver_probe_device+0x50/0x430 [ 8.865888][ T1] vring_create_virtqueue_split+0xc6/0x310 [ 8.865888][ T1] ? ret_from_fork+0x4b/0x80 [ 8.865888][ T1] ? __pfx_vring_create_virtqueue_split+0x10/0x10 [ 8.865888][ T1] vring_create_virtqueue+0xca/0x110 [ 8.865888][ T1] ? __pfx_vp_notify+0x10/0x10 [ 8.865888][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 8.865888][ T1] setup_vq+0xe9/0x2d0 [ 8.865888][ T1] ? __pfx_vp_notify+0x10/0x10 [ 8.865888][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 8.865888][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 8.865888][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 8.865888][ T1] vp_setup_vq+0xbf/0x330 [ 8.865888][ T1] ? __pfx_vp_config_changed+0x10/0x10 [ 8.865888][ T1] ? ioread16+0x2f/0x90 [ 8.915813][ T1] ? __pfx_virtscsi_ctrl_done+0x10/0x10 [ 8.915813][ T1] vp_find_vqs_msix+0x8b2/0xc80 [ 8.915813][ T1] vp_find_vqs+0x4c/0x4e0 [ 8.915813][ T1] virtscsi_init+0x8db/0xd00 [ 8.915813][ T1] ? __pfx_virtscsi_init+0x10/0x10 [ 8.915813][ T1] ? __pfx_default_calc_sets+0x10/0x10 [ 8.915813][ T1] ? scsi_host_alloc+0xa57/0xea0 [ 8.915813][ T1] ? vp_get+0xfd/0x140 [ 8.915813][ T1] virtscsi_probe+0x3ea/0xf60 [ 8.915813][ T1] ? __pfx_virtscsi_probe+0x10/0x10 [ 8.915813][ T1] ? vp_modern_admin_cmd_exec+0x5cd/0x820 [ 8.915813][ T1] ? __pfx_vp_set_status+0x10/0x10 [ 8.915813][ T1] ? vp_set_status+0x1a/0x40 [ 8.915813][ T1] ? virtio_no_restricted_mem_acc+0x9/0x10 [ 8.915813][ T1] ? virtio_features_ok+0x10c/0x270 [ 8.915813][ T1] virtio_dev_probe+0x991/0xaf0 [ 8.915813][ T1] ? __pfx_virtio_dev_probe+0x10/0x10 [ 8.915813][ T1] really_probe+0x2b8/0xad0 [ 8.915813][ T1] __driver_probe_device+0x1a2/0x390 [ 8.915813][ T1] driver_probe_device+0x50/0x430 [ 8.915813][ T1] __driver_attach+0x45f/0x710 [ 8.915813][ T1] ? __pfx___driver_attach+0x10/0x10 [ 8.915813][ T1] bus_for_each_dev+0x239/0x2b0 [ 8.915813][ T1] ? __pfx___driver_attach+0x10/0x10 [ 8.915813][ T1] ? __pfx_bus_for_each_dev+0x10/0x10 [ 8.915813][ T1] ? do_raw_spin_unlock+0x13c/0x8b0 [ 8.915813][ T1] bus_add_driver+0x347/0x620 [ 8.915813][ T1] driver_register+0x23a/0x320 [ 8.915813][ T1] ? __pfx_virtio_scsi_init+0x10/0x10 [ 8.915813][ T1] virtio_scsi_init+0x65/0xe0 [ 8.965813][ T1] ? __pfx_virtio_scsi_init+0x10/0x10 [ 8.965813][ T1] do_one_initcall+0x248/0x880 [ 8.965813][ T1] ? __pfx_virtio_scsi_init+0x10/0x10 [ 8.965813][ T1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 8.965813][ T1] ? __pfx_do_one_initcall+0x10/0x10 [ 8.965813][ T1] ? __pfx_parse_args+0x10/0x10 [ 8.965813][ T1] ? do_initcalls+0x1c/0x80 [ 8.965813][ T1] ? rcu_is_watching+0x15/0xb0 [ 8.965813][ T1] do_initcall_level+0x157/0x210 [ 8.965813][ T1] do_initcalls+0x3f/0x80 [ 8.965813][ T1] kernel_init_freeable+0x435/0x5d0 [ 8.965813][ T1] ? __pfx_kernel_init_freeable+0x10/0x10 [ 8.965813][ T1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 8.965813][ T1] ? __pfx_kernel_init+0x10/0x10 [ 8.965813][ T1] ? __pfx_kernel_init+0x10/0x10 [ 8.965813][ T1] ? __pfx_kernel_init+0x10/0x10 [ 8.965813][ T1] kernel_init+0x1d/0x2b0 [ 8.965813][ T1] ret_from_fork+0x4b/0x80 [ 8.965813][ T1] ? __pfx_kernel_init+0x10/0x10 [ 8.965813][ T1] ret_from_fork_asm+0x1a/0x30 [ 8.965813][ T1] [ 8.965813][ T1] Kernel Offset: disabled [ 8.965813][ T1] Rebooting in 86400 seconds.. syzkaller build log: go env (err=3D) GO111MODULE=3D'auto' GOARCH=3D'amd64' GOBIN=3D'' GOCACHE=3D'/syzkaller/.cache/go-build' GOENV=3D'/syzkaller/.config/go/env' GOEXE=3D'' GOEXPERIMENT=3D'' GOFLAGS=3D'' GOHOSTARCH=3D'amd64' GOHOSTOS=3D'linux' GOINSECURE=3D'' GOMODCACHE=3D'/syzkaller/jobs/linux/gopath/pkg/mod' GONOPROXY=3D'' GONOSUMDB=3D'' GOOS=3D'linux' GOPATH=3D'/syzkaller/jobs/linux/gopath' GOPRIVATE=3D'' GOPROXY=3D'https://proxy.golang.org,direct' GOROOT=3D'/usr/local/go' GOSUMDB=3D'sum.golang.org' GOTMPDIR=3D'' GOTOOLCHAIN=3D'auto' GOTOOLDIR=3D'/usr/local/go/pkg/tool/linux_amd64' GOVCS=3D'' GOVERSION=3D'go1.21.4' GCCGO=3D'gccgo' GOAMD64=3D'v1' AR=3D'ar' CC=3D'gcc' CXX=3D'g++' CGO_ENABLED=3D'1' GOMOD=3D'/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/go.mo= d' GOWORK=3D'' CGO_CFLAGS=3D'-O2 -g' CGO_CPPFLAGS=3D'' CGO_CXXFLAGS=3D'-O2 -g' CGO_FFLAGS=3D'-O2 -g' CGO_LDFLAGS=3D'-O2 -g' PKG_CONFIG=3D'pkg-config' GOGCCFLAGS=3D'-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=3D0= -ffile-prefix-map=3D/tmp/go-build1094773893=3D/tmp/go-build -gno-record-gc= c-switches' git status (err=3D) HEAD detached at ca620dd8f nothing to commit, working tree clean tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified Makefile:31: run command via tools/syz-env for best compatibility, see: Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contribut= ing.md#using-syz-env go list -f '{{.Stale}}' ./sys/syz-sysgen | grep -q false || go install ./sy= s/syz-sysgen make .descriptions tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified Makefile:31: run command via tools/syz-env for best compatibility, see: Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contribut= ing.md#using-syz-env bin/syz-sysgen touch .descriptions GOOS=3Dlinux GOARCH=3Damd64 go build "-ldflags=3D-s -w -X github.com/google= /syzkaller/prog.GitRevision=3Dca620dd8f97f5b3a9134b687b5584203019518fb -X '= github.com/google/syzkaller/prog.gitRevisionDate=3D20240405-142321'" "-tags= =3Dsyz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-fuzzer= github.com/google/syzkaller/syz-fuzzer GOOS=3Dlinux GOARCH=3Damd64 go build "-ldflags=3D-s -w -X github.com/google= /syzkaller/prog.GitRevision=3Dca620dd8f97f5b3a9134b687b5584203019518fb -X '= github.com/google/syzkaller/prog.gitRevisionDate=3D20240405-142321'" "-tags= =3Dsyz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-execpr= og github.com/google/syzkaller/tools/syz-execprog GOOS=3Dlinux GOARCH=3Damd64 go build "-ldflags=3D-s -w -X github.com/google= /syzkaller/prog.GitRevision=3Dca620dd8f97f5b3a9134b687b5584203019518fb -X '= github.com/google/syzkaller/prog.gitRevisionDate=3D20240405-142321'" "-tags= =3Dsyz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-stress= github.com/google/syzkaller/tools/syz-stress mkdir -p ./bin/linux_amd64 gcc -o ./bin/linux_amd64/syz-executor executor/executor.cc \ -m64 -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wfr= ame-larger-than=3D16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-forma= t-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -= static-pie -fpermissive -w -DGOOS_linux=3D1 -DGOARCH_amd64=3D1 \ -DHOSTGOOS_linux=3D1 -DGIT_REVISION=3D\"ca620dd8f97f5b3a9134b687b558420301= 9518fb\" Error text is too large and was truncated, full error text is at: https://syzkaller.appspot.com/x/error.txt?x=3D11a13da9180000 Tested on: commit: 811b8362 Merge branch 'minor-cleanups-to-skb-frag-ref-.. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-ne= xt.git main kernel config: https://syzkaller.appspot.com/x/.config?x=3D537dc8b4992a9fb= a dashboard link: https://syzkaller.appspot.com/bug?extid=3Decd7e07b4be038658= c9f compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debia= n) 2.40 Note: no patches were applied.