Re: [syzbot] WARNING in btrfs_block_rsv_release
From: syzbot
Date: Fri Oct 28 2022 - 10:02:26 EST
Hello,
syzbot tried to test the proposed patch but the build/boot failed:
00
[ 10.626735][ T1] IPVS: Registered protocols (TCP, UDP, SCTP, AH, ESP)
[ 10.628295][ T1] IPVS: Connection hash table configured (size=4096, memory=32Kbytes)
[ 10.630010][ T1] IPVS: ipvs loaded.
[ 10.630584][ T1] IPVS: [rr] scheduler registered.
[ 10.631355][ T1] IPVS: [wrr] scheduler registered.
[ 10.632191][ T1] IPVS: [lc] scheduler registered.
[ 10.632912][ T1] IPVS: [wlc] scheduler registered.
[ 10.633714][ T1] IPVS: [fo] scheduler registered.
[ 10.634448][ T1] IPVS: [ovf] scheduler registered.
[ 10.635695][ T1] IPVS: [lblc] scheduler registered.
[ 10.636621][ T1] IPVS: [lblcr] scheduler registered.
[ 10.637562][ T1] IPVS: [dh] scheduler registered.
[ 10.638341][ T1] IPVS: [sh] scheduler registered.
[ 10.639064][ T1] IPVS: [mh] scheduler registered.
[ 10.639829][ T1] IPVS: [sed] scheduler registered.
[ 10.640648][ T1] IPVS: [nq] scheduler registered.
[ 10.641358][ T1] IPVS: [twos] scheduler registered.
[ 10.642344][ T1] IPVS: [sip] pe registered.
[ 10.643158][ T1] ipip: IPv4 and MPLS over IPv4 tunneling driver
[ 10.646785][ T1] gre: GRE over IPv4 demultiplexor driver
[ 10.647988][ T1] ip_gre: GRE over IPv4 tunneling driver
[ 10.657614][ T1] IPv4 over IPsec tunneling driver
[ 10.661973][ T1] ipt_CLUSTERIP: ClusterIP Version 0.8 loaded successfully
[ 10.663721][ T1] Initializing XFRM netlink socket
[ 10.664715][ T1] IPsec XFRM device driver
[ 10.667985][ T1] NET: Registered PF_INET6 protocol family
[ 10.681339][ T1] Segment Routing with IPv6
[ 10.682209][ T1] RPL Segment Routing with IPv6
[ 10.683200][ T1] In-situ OAM (IOAM) with IPv6
[ 10.684506][ T1] mip6: Mobile IPv6
[ 10.688852][ T1] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
[ 10.697537][ T1] ip6_gre: GRE over IPv6 tunneling driver
[ 10.702064][ T1] NET: Registered PF_PACKET protocol family
[ 10.702972][ T1] NET: Registered PF_KEY protocol family
[ 10.704733][ T1] Bridge firewalling registered
[ 10.706424][ T1] NET: Registered PF_X25 protocol family
[ 10.707669][ T1] X25: Linux Version 0.2
[ 10.752465][ T1] NET: Registered PF_NETROM protocol family
[ 10.784421][ T2696] kworker/u4:1 (2696) used greatest stack depth: 21784 bytes left
[ 10.796283][ T1] NET: Registered PF_ROSE protocol family
[ 10.797639][ T1] NET: Registered PF_AX25 protocol family
[ 10.798728][ T1] can: controller area network core
[ 10.800391][ T1] NET: Registered PF_CAN protocol family
[ 10.801334][ T1] can: raw protocol
[ 10.802160][ T1] can: broadcast manager protocol
[ 10.803237][ T1] can: netlink gateway - max_hops=1
[ 10.806626][ T1] can: SAE J1939
[ 10.807406][ T1] can: isotp protocol
[ 10.808488][ T1] Bluetooth: RFCOMM TTY layer initialized
[ 10.809368][ T1] Bluetooth: RFCOMM socket layer initialized
[ 10.810432][ T1] Bluetooth: RFCOMM ver 1.11
[ 10.811200][ T1] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 10.812344][ T1] Bluetooth: BNEP filters: protocol multicast
[ 10.813472][ T1] Bluetooth: BNEP socket layer initialized
[ 10.814580][ T1] Bluetooth: CMTP (CAPI Emulation) ver 1.0
[ 10.816401][ T1] Bluetooth: CMTP socket layer initialized
[ 10.817384][ T1] Bluetooth: HIDP (Human Interface Emulation) ver 1.2
[ 10.818502][ T1] Bluetooth: HIDP socket layer initialized
[ 10.824139][ T1] NET: Registered PF_RXRPC protocol family
[ 10.825345][ T1] Key type rxrpc registered
[ 10.826078][ T1] Key type rxrpc_s registered
[ 10.828240][ T1] NET: Registered PF_KCM protocol family
[ 10.829783][ T1] lec:lane_module_init: lec.c: initialized
[ 10.830626][ T1] mpoa:atm_mpoa_init: mpc.c: initialized
[ 10.831616][ T1] l2tp_core: L2TP core driver, V2.0
[ 10.832528][ T1] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[ 10.833478][ T1] l2tp_ip: L2TP IP encapsulation support (L2TPv3)
[ 10.834838][ T1] l2tp_netlink: L2TP netlink interface
[ 10.836503][ T1] l2tp_eth: L2TP ethernet pseudowire support (L2TPv3)
[ 10.837696][ T1] l2tp_ip6: L2TP IP encapsulation support for IPv6 (L2TPv3)
[ 10.839207][ T1] NET: Registered PF_PHONET protocol family
[ 10.841155][ T1] 8021q: 802.1Q VLAN Support v1.8
[ 10.862660][ T1] DCCP: Activated CCID 2 (TCP-like)
[ 10.864236][ T1] DCCP: Activated CCID 3 (TCP-Friendly Rate Control)
[ 10.868242][ T1] sctp: Hash tables configured (bind 32/56)
[ 10.871963][ T1] NET: Registered PF_RDS protocol family
[ 10.874058][ T1] Registered RDS/infiniband transport
[ 10.876434][ T1] Registered RDS/tcp transport
[ 10.877245][ T1] tipc: Activated (version 2.0.0)
[ 10.878883][ T1] NET: Registered PF_TIPC protocol family
[ 10.880418][ T1] tipc: Started in single node mode
[ 10.882583][ T1] NET: Registered PF_SMC protocol family
[ 10.883886][ T1] 9pnet: Installing 9P2000 support
[ 10.885340][ T1] NET: Registered PF_CAIF protocol family
[ 10.893240][ T1] NET: Registered PF_IEEE802154 protocol family
[ 10.894764][ T1] Key type dns_resolver registered
[ 10.895597][ T1] Key type ceph registered
[ 10.897286][ T1] libceph: loaded (mon/osd proto 15/24)
[ 10.900756][ T1] batman_adv: B.A.T.M.A.N. advanced 2022.3 (compatibility version 15) loaded
[ 10.902106][ T1] openvswitch: Open vSwitch switching datapath
[ 10.905615][ T1] ------------[ cut here ]------------
[ 10.906603][ T1] WARNING: CPU: 0 PID: 1 at net/netlink/genetlink.c:383 genl_register_family+0x13c0/0x1540
[ 10.908115][ T1] Modules linked in:
[ 10.908691][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.1.0-rc2-syzkaller-00189-g23758867219c-dirty #0
[ 10.910145][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
[ 10.911770][ T1] RIP: 0010:genl_register_family+0x13c0/0x1540
[ 10.912959][ T1] Code: 5d 41 5e 41 5f 5d c3 e8 fe 71 1b f9 0f 0b 41 be ea ff ff ff eb a2 e8 ef 71 1b f9 0f 0b 41 be ea ff ff ff eb 93 e8 e0 71 1b f9 <0f> 0b 41 be ea ff ff ff eb 84 44 89 e1 80 e1 07 38 c1 0f 8c bd ec
[ 10.915895][ T1] RSP: 0000:ffffc90000067820 EFLAGS: 00010293
[ 10.916967][ T1] RAX: ffffffff886c5e00 RBX: 0000000000000001 RCX: ffff888140170000
[ 10.918151][ T1] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000
[ 10.919312][ T1] RBP: ffffc90000067950 R08: ffffffff886c4e33 R09: fffffbfff1c1b606
[ 10.920882][ T1] R10: fffffbfff1c1b606 R11: 1ffffffff1c1b605 R12: dffffc0000000000
[ 10.922497][ T1] R13: ffffffff8c582448 R14: 0000000000000000 R15: 0000000000000003
[ 10.924081][ T1] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
[ 10.925774][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 10.926982][ T1] CR2: ffff88823ffff000 CR3: 000000000c88e000 CR4: 00000000003506f0
[ 10.928082][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 10.929173][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 10.930397][ T1] Call Trace:
[ 10.931035][ T1] <TASK>
[ 10.931558][ T1] ? nlmsg_trim+0xa0/0xa0
[ 10.932566][ T1] ? genl_unlock+0x20/0x20
[ 10.933372][ T1] dp_register_genl+0x40/0x136
[ 10.934400][ T1] dp_init+0x11a/0x140
[ 10.935312][ T1] ? psample_module_init+0x11/0x11
[ 10.936082][ T1] do_one_initcall+0x1c9/0x400
[ 10.936955][ T1] ? IS_ERR_OR_NULL+0x20/0x20
[ 10.937621][ T1] ? lockdep_hardirqs_on_prepare+0x428/0x790
[ 10.939048][ T1] ? print_irqtrace_events+0x220/0x220
[ 10.939975][ T1] ? asm_sysvec_reschedule_ipi+0x16/0x20
[ 10.941100][ T1] ? lockdep_hardirqs_on+0x8d/0x130
[ 10.942031][ T1] ? asm_sysvec_reschedule_ipi+0x16/0x20
[ 10.942955][ T1] ? parameq+0xba/0x210
[ 10.943611][ T1] ? strlen+0x41/0x60
[ 10.944217][ T1] ? parameq+0x198/0x210
[ 10.944962][ T1] ? parse_one+0x141/0x520
[ 10.945749][ T1] ? do_initcall_level+0x218/0x218
[ 10.946940][ T1] ? ignore_unknown_bootoption+0x5/0x8
[ 10.948340][ T1] ? parse_args+0x4e1/0x590
[ 10.949153][ T1] ? rcu_read_lock_sched_held+0x87/0x110
[ 10.950180][ T1] ? __bpf_trace_rcu_stall_warning+0x10/0x10
[ 10.951083][ T1] ? rcu_read_lock_sched_held+0x87/0x110
[ 10.952908][ T1] ? __bpf_trace_rcu_stall_warning+0x10/0x10
[ 10.953863][ T1] do_initcall_level+0x168/0x218
[ 10.954847][ T1] do_initcalls+0x4b/0x8c
[ 10.955707][ T1] kernel_init_freeable+0x428/0x5d5
[ 10.957030][ T1] ? report_meminit+0x64/0x64
[ 10.957791][ T1] ? _raw_spin_lock_irq+0xba/0xf0
[ 10.958675][ T1] ? do_raw_spin_unlock+0x134/0x8a0
[ 10.959494][ T1] ? _raw_spin_unlock_irq+0x1f/0x40
[ 10.960315][ T1] ? lockdep_hardirqs_on+0x8d/0x130
[ 10.961095][ T1] ? rest_init+0x270/0x270
[ 10.961718][ T1] kernel_init+0x19/0x2b0
[ 10.962440][ T1] ? rest_init+0x270/0x270
[ 10.963209][ T1] ret_from_fork+0x1f/0x30
[ 10.964022][ T1] </TASK>
[ 10.964468][ T1] Kernel panic - not syncing: panic_on_warn set ...
[ 10.965668][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.1.0-rc2-syzkaller-00189-g23758867219c-dirty #0
[ 10.965668][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
[ 10.965668][ T1] Call Trace:
[ 10.965668][ T1] <TASK>
[ 10.965668][ T1] dump_stack_lvl+0x1b1/0x28e
[ 10.965668][ T1] ? nf_tcp_handle_invalid+0x62e/0x62e
[ 10.965668][ T1] ? panic+0x710/0x710
[ 10.965668][ T1] ? vscnprintf+0x59/0x80
[ 10.965668][ T1] ? genl_register_family+0x13c0/0x1540
[ 10.965668][ T1] panic+0x2d6/0x710
[ 10.965668][ T1] ? __warn+0x131/0x220
[ 10.965668][ T1] ? memcpy_page_flushcache+0xfc/0xfc
[ 10.965668][ T1] ? ret_from_fork+0x1f/0x30
[ 10.965668][ T1] ? genl_register_family+0x13c0/0x1540
[ 10.965668][ T1] __warn+0x1fa/0x220
[ 10.965668][ T1] ? genl_register_family+0x13c0/0x1540
[ 10.965668][ T1] report_bug+0x1b3/0x2d0
[ 10.965668][ T1] handle_bug+0x3d/0x70
[ 10.965668][ T1] exc_invalid_op+0x16/0x40
[ 10.965668][ T1] asm_exc_invalid_op+0x16/0x20
[ 10.965668][ T1] RIP: 0010:genl_register_family+0x13c0/0x1540
[ 10.965668][ T1] Code: 5d 41 5e 41 5f 5d c3 e8 fe 71 1b f9 0f 0b 41 be ea ff ff ff eb a2 e8 ef 71 1b f9 0f 0b 41 be ea ff ff ff eb 93 e8 e0 71 1b f9 <0f> 0b 41 be ea ff ff ff eb 84 44 89 e1 80 e1 07 38 c1 0f 8c bd ec
[ 10.965668][ T1] RSP: 0000:ffffc90000067820 EFLAGS: 00010293
[ 10.965668][ T1] RAX: ffffffff886c5e00 RBX: 0000000000000001 RCX: ffff888140170000
[ 10.965668][ T1] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000
[ 10.965668][ T1] RBP: ffffc90000067950 R08: ffffffff886c4e33 R09: fffffbfff1c1b606
[ 10.965668][ T1] R10: fffffbfff1c1b606 R11: 1ffffffff1c1b605 R12: dffffc0000000000
[ 10.965668][ T1] R13: ffffffff8c582448 R14: 0000000000000000 R15: 0000000000000003
[ 10.965668][ T1] ? genl_register_family+0x3f3/0x1540
[ 10.965668][ T1] ? genl_register_family+0x13c0/0x1540
[ 10.965668][ T1] ? nlmsg_trim+0xa0/0xa0
[ 10.965668][ T1] ? genl_unlock+0x20/0x20
[ 10.965668][ T1] dp_register_genl+0x40/0x136
[ 10.965668][ T1] dp_init+0x11a/0x140
[ 10.965668][ T1] ? psample_module_init+0x11/0x11
[ 10.965668][ T1] do_one_initcall+0x1c9/0x400
[ 10.965668][ T1] ? IS_ERR_OR_NULL+0x20/0x20
[ 10.965668][ T1] ? lockdep_hardirqs_on_prepare+0x428/0x790
[ 10.965668][ T1] ? print_irqtrace_events+0x220/0x220
[ 10.965668][ T1] ? asm_sysvec_reschedule_ipi+0x16/0x20
[ 10.965668][ T1] ? lockdep_hardirqs_on+0x8d/0x130
[ 10.965668][ T1] ? asm_sysvec_reschedule_ipi+0x16/0x20
[ 10.965668][ T1] ? parameq+0xba/0x210
[ 10.965668][ T1] ? strlen+0x41/0x60
[ 10.965668][ T1] ? parameq+0x198/0x210
[ 10.965668][ T1] ? parse_one+0x141/0x520
[ 10.965668][ T1] ? do_initcall_level+0x218/0x218
[ 10.965668][ T1] ? ignore_unknown_bootoption+0x5/0x8
[ 10.965668][ T1] ? parse_args+0x4e1/0x590
[ 10.965668][ T1] ? rcu_read_lock_sched_held+0x87/0x110
[ 10.965668][ T1] ? __bpf_trace_rcu_stall_warning+0x10/0x10
[ 10.965668][ T1] ? rcu_read_lock_sched_held+0x87/0x110
[ 10.965668][ T1] ? __bpf_trace_rcu_stall_warning+0x10/0x10
[ 10.965668][ T1] do_initcall_level+0x168/0x218
[ 10.965668][ T1] do_initcalls+0x4b/0x8c
[ 10.965668][ T1] kernel_init_freeable+0x428/0x5d5
[ 10.965668][ T1] ? report_meminit+0x64/0x64
[ 10.965668][ T1] ? _raw_spin_lock_irq+0xba/0xf0
[ 10.965668][ T1] ? do_raw_spin_unlock+0x134/0x8a0
[ 10.965668][ T1] ? _raw_spin_unlock_irq+0x1f/0x40
[ 10.965668][ T1] ? lockdep_hardirqs_on+0x8d/0x130
[ 10.965668][ T1] ? rest_init+0x270/0x270
[ 10.965668][ T1] kernel_init+0x19/0x2b0
[ 10.965668][ T1] ? rest_init+0x270/0x270
[ 10.965668][ T1] ret_from_fork+0x1f/0x30
[ 10.965668][ T1] </TASK>
[ 10.965668][ T1] Kernel Offset: disabled
[ 10.965668][ T1] Rebooting in 86400 seconds..
syzkaller build log:
go env (err=<nil>)
GO111MODULE="auto"
GOARCH="amd64"
GOBIN=""
GOCACHE="/syzkaller/.cache/go-build"
GOENV="/syzkaller/.config/go/env"
GOEXE=""
GOEXPERIMENT=""
GOFLAGS=""
GOHOSTARCH="amd64"
GOHOSTOS="linux"
GOINSECURE=""
GOMODCACHE="/syzkaller/jobs/linux/gopath/pkg/mod"
GONOPROXY=""
GONOSUMDB=""
GOOS="linux"
GOPATH="/syzkaller/jobs/linux/gopath"
GOPRIVATE=""
GOPROXY="https://proxy.golang.org,direct";
GOROOT="/usr/local/go"
GOSUMDB="sum.golang.org"
GOTMPDIR=""
GOTOOLDIR="/usr/local/go/pkg/tool/linux_amd64"
GOVCS=""
GOVERSION="go1.17"
GCCGO="gccgo"
AR="ar"
CC="gcc"
CXX="g++"
CGO_ENABLED="1"
GOMOD="/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/go.mod"
CGO_CFLAGS="-g -O2"
CGO_CPPFLAGS=""
CGO_CXXFLAGS="-g -O2"
CGO_FFLAGS="-g -O2"
CGO_LDFLAGS="-g -O2"
PKG_CONFIG="pkg-config"
GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0 -fdebug-prefix-map=/tmp/go-build1720647648=/tmp/go-build -gno-record-gcc-switches"
git status (err=<nil>)
HEAD detached at a0fd4dab4
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:32: run command via tools/syz-env for best compatibility, see:
Makefile:33: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env
go list -f '{{.Stale}}' ./sys/syz-sysgen | grep -q false || go install ./sys/syz-sysgen
make .descriptions
tput: No value for $TERM and no -T specified
tput: No value for $TERM and no -T specified
bin/syz-sysgen
touch .descriptions
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=a0fd4dab4eac71d7b3237bb1000352206a6a82f5 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20221020-182546'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-fuzzer github.com/google/syzkaller/syz-fuzzer
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=a0fd4dab4eac71d7b3237bb1000352206a6a82f5 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20221020-182546'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=a0fd4dab4eac71d7b3237bb1000352206a6a82f5 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20221020-182546'" "-tags=syz_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 -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -static-pie -fpermissive -w -DGOOS_linux=1 -DGOARCH_amd64=1 \
-DHOSTGOOS_linux=1 -DGIT_REVISION=\"a0fd4dab4eac71d7b3237bb1000352206a6a82f5\"
Error text is too large and was truncated, full error text is at:
https://syzkaller.appspot.com/x/error.txt?x=15b1c4ca880000
Tested on:
commit: 23758867 Merge tag 'net-6.1-rc3-2' of git://git.kernel..
git tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
kernel config: https://syzkaller.appspot.com/x/.config?x=1d3548a4365ba17d
dashboard link: https://syzkaller.appspot.com/bug?extid=dde7e853812ed57835ea
compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2
patch: https://syzkaller.appspot.com/x/patch.diff?x=14540cfc880000