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AJvYcCWctFuG1kn+jwDA9mt1E/tjj3mzt7Lc2gGyfg5G+0YoCFwoAlygX2R7anx1f7c7b4M+oCSttxqteMnj582i1baLXDTDWuSv+bP5d6cm X-Gm-Message-State: AOJu0YzPZ3ENIKE5DhedU8AjmHcbUfCDoNpbd7IcSeh2pnLyChFqrp5X R0zHrpfxRlr9SVd0r4EgIh1U8yIF+8SButIWPocTjBpb4P3vtwjSm93LUWPvzKb/GloHpXdCR7d nW7ZFyUR6GhF3/VzKNvkQ+sL6cHTAi7zZm15PtXOK1W54sXqx+S3QWJk= X-Google-Smtp-Source: AGHT+IF+0tiruZsxnDk1V+WGCkGHIzY5XxbHK8rXwYsxYaur6yOHznoCDPEnGyFl2XmFKNtVSQ/99uQkJ8Gj/lWNJ4OcGIvZqXhf Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6638:1307:b0:4b9:2bc3:46ba with SMTP id 8926c6da1cb9f-4bf6375358cmr118961173.3.1720109222437; Thu, 04 Jul 2024 09:07:02 -0700 (PDT) Date: Thu, 04 Jul 2024 09:07:02 -0700 In-Reply-To: <20240704104544.91031-1-aha310510@gmail.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000002dbf4a061c6e232a@google.com> Subject: Re: [syzbot] [net?] possible deadlock in team_del_slave (3) From: syzbot To: aha310510@gmail.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Hello, syzbot tried to test the proposed patch but the build/boot failed: possible deadlock in team_add_slave bond0: (slave bond_slave_0): Enslaving as an active interface with an up li= nk bond0: (slave bond_slave_1): Enslaving as an active interface with an up li= nk =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D WARNING: possible recursive locking detected 6.10.0-rc6-syzkaller-00069-g795c58e4c7fc-dirty #0 Not tainted -------------------------------------------- syz-executor.0/5159 is trying to acquire lock: ffffffff8f5e6ec8 (rtnl_mutex){+.+.}-{3:3}, at: team_port_add drivers/net/te= am/team_core.c:1145 [inline] ffffffff8f5e6ec8 (rtnl_mutex){+.+.}-{3:3}, at: team_add_slave+0xdd/0x2720 d= rivers/net/team/team_core.c:1990 but task is already holding lock: ffffffff8f5e6ec8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink= .c:79 [inline] ffffffff8f5e6ec8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842/0x11= 80 net/core/rtnetlink.c:6632 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(rtnl_mutex); lock(rtnl_mutex); *** DEADLOCK *** May be due to missing lock nesting notation 2 locks held by syz-executor.0/5159: #0: ffffffff8f5e6ec8 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtne= tlink.c:79 [inline] #0: ffffffff8f5e6ec8 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x842= /0x1180 net/core/rtnetlink.c:6632 #1: ffff88806a00cd20 (team->team_lock_key){+.+.}-{3:3}, at: team_add_slave= +0xb0/0x2720 drivers/net/team/team_core.c:1989 stack backtrace: CPU: 0 PID: 5159 Comm: syz-executor.0 Not tainted 6.10.0-rc6-syzkaller-0006= 9-g795c58e4c7fc-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Goo= gle 06/07/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114 check_deadlock kernel/locking/lockdep.c:3062 [inline] validate_chain+0x15d3/0x5900 kernel/locking/lockdep.c:3856 __lock_acquire+0x1346/0x1fd0 kernel/locking/lockdep.c:5137 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5754 __mutex_lock_common kernel/locking/mutex.c:608 [inline] __mutex_lock+0x136/0xd70 kernel/locking/mutex.c:752 team_port_add drivers/net/team/team_core.c:1145 [inline] team_add_slave+0xdd/0x2720 drivers/net/team/team_core.c:1990 do_set_master net/core/rtnetlink.c:2701 [inline] do_setlink+0xe70/0x41f0 net/core/rtnetlink.c:2907 __rtnl_newlink net/core/rtnetlink.c:3696 [inline] rtnl_newlink+0x180b/0x20a0 net/core/rtnetlink.c:3743 rtnetlink_rcv_msg+0x89b/0x1180 net/core/rtnetlink.c:6635 netlink_rcv_skb+0x1e3/0x430 net/netlink/af_netlink.c:2564 netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline] netlink_unicast+0x7ea/0x980 net/netlink/af_netlink.c:1361 netlink_sendmsg+0x8db/0xcb0 net/netlink/af_netlink.c:1905 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:745 __sys_sendto+0x3a4/0x4f0 net/socket.c:2192 __do_sys_sendto net/socket.c:2204 [inline] __se_sys_sendto net/socket.c:2200 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2200 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe59307ed43 Code: 64 89 02 48 c7 c0 ff ff ff ff eb b7 66 2e 0f 1f 84 00 00 00 00 00 90 = 80 3d c1 91 10 00 00 41 89 ca 74 14 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff f= f 77 75 c3 0f 1f 40 00 55 48 83 ec 30 44 89 4c 24 RSP: 002b:00007fe5932df648 EFLAGS: 00000202 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fe593ce4620 RCX: 00007fe59307ed43 RDX: 0000000000000028 RSI: 00007fe593ce4670 RDI: 0000000000000003 RBP: 0000000000000001 R08: 00007fe5932df664 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 R13: 0000000000000000 R14: 00007fe593ce4670 R15: 0000000000000000 Warning: Permanently added '10.128.0.29' (ED25519) to the list of known hos= ts. 2024/07/04 16:06:06 ignoring optional flag "sandboxArg"=3D"0" 2024/07/04 16:06:07 parsed 1 programs [ 63.126006][ T5090] cgroup: Unknown subsys name 'net' [ 63.411712][ T5090] cgroup: Unknown subsys name 'rlimit' [ 64.609660][ T5092] Adding 124996k swap on ./swap-file. Priority:0 exte= nts:1 across:124996k=20 [ 65.064470][ T53] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > = 1 [ 65.072894][ T53] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > = 9 [ 65.080962][ T53] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > = 9 [ 65.090842][ T53] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > = 4 [ 65.103105][ T53] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > = 3 [ 65.121545][ T53] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > = 2 [ 65.438608][ T1046] wlan0: Created IBSS using preconfigured BSSID 50:50:= 50:50:50:50 [ 65.457546][ T1046] wlan0: Creating new IBSS network, BSSID 50:50:50:50:= 50:50 [ 65.495887][ T2472] wlan1: Created IBSS using preconfigured BSSID 50:50:= 50:50:50:50 [ 65.504409][ T2472] wlan1: Creating new IBSS network, BSSID 50:50:50:50:= 50:50 [ 66.784406][ T5159] chnl_net:caif_netlink_parms(): no params data found [ 66.879723][ T5159] bridge0: port 1(bridge_slave_0) entered blocking sta= te [ 66.889205][ T5159] bridge0: port 1(bridge_slave_0) entered disabled sta= te [ 66.896897][ T5159] bridge_slave_0: entered allmulticast mode [ 66.905071][ T5159] bridge_slave_0: entered promiscuous mode [ 66.914541][ T5159] bridge0: port 2(bridge_slave_1) entered blocking sta= te [ 66.922253][ T5159] bridge0: port 2(bridge_slave_1) entered disabled sta= te [ 66.929529][ T5159] bridge_slave_1: entered allmulticast mode [ 66.937325][ T5159] bridge_slave_1: entered promiscuous mode [ 66.974384][ T5159] bond0: (slave bond_slave_0): Enslaving as an active = interface with an up link [ 66.986385][ T5159] bond0: (slave bond_slave_1): Enslaving as an active = interface with an up link [ 67.014300][ T5159]=20 [ 67.016708][ T5159] =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D [ 67.022882][ T5159] WARNING: possible recursive locking detected [ 67.029164][ T5159] 6.10.0-rc6-syzkaller-00069-g795c58e4c7fc-dirty #0 No= t tainted [ 67.036959][ T5159] -------------------------------------------- [ 67.043287][ T5159] syz-executor.0/5159 is trying to acquire lock: [ 67.049949][ T5159] ffffffff8f5e6ec8 (rtnl_mutex){+.+.}-{3:3}, at: team_= add_slave+0xdd/0x2720 [ 67.058734][ T5159]=20 [ 67.058734][ T5159] but task is already holding lock: [ 67.066374][ T5159] ffffffff8f5e6ec8 (rtnl_mutex){+.+.}-{3:3}, at: rtnet= link_rcv_msg+0x842/0x1180 [ 67.075446][ T5159]=20 [ 67.075446][ T5159] other info that might help us debug this: [ 67.083669][ T5159] Possible unsafe locking scenario: [ 67.083669][ T5159]=20 [ 67.091184][ T5159] CPU0 [ 67.094442][ T5159] ---- [ 67.097721][ T5159] lock(rtnl_mutex); [ 67.101746][ T5159] lock(rtnl_mutex); [ 67.105832][ T5159]=20 [ 67.105832][ T5159] *** DEADLOCK *** [ 67.105832][ T5159]=20 [ 67.113981][ T5159] May be due to missing lock nesting notation [ 67.113981][ T5159]=20 [ 67.122398][ T5159] 2 locks held by syz-executor.0/5159: [ 67.127935][ T5159] #0: ffffffff8f5e6ec8 (rtnl_mutex){+.+.}-{3:3}, at: = rtnetlink_rcv_msg+0x842/0x1180 [ 67.137584][ T5159] #1: ffff88806a00cd20 (team->team_lock_key){+.+.}-{3= :3}, at: team_add_slave+0xb0/0x2720 [ 67.147698][ T5159]=20 [ 67.147698][ T5159] stack backtrace: [ 67.153714][ T5159] CPU: 0 PID: 5159 Comm: syz-executor.0 Not tainted 6.= 10.0-rc6-syzkaller-00069-g795c58e4c7fc-dirty #0 [ 67.164638][ T5159] Hardware name: Google Google Compute Engine/Google C= ompute Engine, BIOS Google 06/07/2024 [ 67.174864][ T5159] Call Trace: [ 67.178320][ T5159] [ 67.181235][ T5159] dump_stack_lvl+0x241/0x360 [ 67.185997][ T5159] ? __pfx_dump_stack_lvl+0x10/0x10 [ 67.191370][ T5159] ? print_deadlock_bug+0x479/0x620 [ 67.196552][ T5159] validate_chain+0x15d3/0x5900 [ 67.201409][ T5159] ? __pfx_validate_chain+0x10/0x10 [ 67.206707][ T5159] ? stack_trace_save+0x118/0x1d0 [ 67.211816][ T5159] ? __pfx_stack_trace_save+0x10/0x10 [ 67.217296][ T5159] ? lockdep_unlock+0x16a/0x300 [ 67.222144][ T5159] ? mark_lock+0x9a/0x350 [ 67.226480][ T5159] __lock_acquire+0x1346/0x1fd0 [ 67.231609][ T5159] lock_acquire+0x1ed/0x550 [ 67.236105][ T5159] ? team_add_slave+0xdd/0x2720 [ 67.240978][ T5159] ? __pfx_lock_acquire+0x10/0x10 [ 67.246022][ T5159] ? __pfx___might_resched+0x10/0x10 [ 67.251353][ T5159] ? __pfx___mutex_trylock_common+0x10/0x10 [ 67.257275][ T5159] __mutex_lock+0x136/0xd70 [ 67.261783][ T5159] ? team_add_slave+0xdd/0x2720 [ 67.266645][ T5159] ? team_add_slave+0xdd/0x2720 [ 67.271654][ T5159] ? __pfx___mutex_lock+0x10/0x10 [ 67.276846][ T5159] team_add_slave+0xdd/0x2720 [ 67.281508][ T5159] ? __pfx_lock_acquire+0x10/0x10 [ 67.286605][ T5159] ? deref_stack_reg+0x1c7/0x260 [ 67.291535][ T5159] ? __pfx_team_add_slave+0x10/0x10 [ 67.296823][ T5159] ? is_bpf_text_address+0x285/0x2a0 [ 67.302187][ T5159] ? is_bpf_text_address+0x26/0x2a0 [ 67.307484][ T5159] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 67.313666][ T5159] ? kernel_text_address+0xa7/0xe0 [ 67.318792][ T5159] ? __kernel_text_address+0xd/0x40 [ 67.323994][ T5159] ? unwind_get_return_address+0x91/0xc0 [ 67.329730][ T5159] ? mutex_is_locked+0x12/0x50 [ 67.334513][ T5159] do_setlink+0xe70/0x41f0 [ 67.339161][ T5159] ? stack_trace_save+0x118/0x1d0 [ 67.344184][ T5159] ? __pfx_stack_trace_save+0x10/0x10 [ 67.349548][ T5159] ? __pfx_do_setlink+0x10/0x10 [ 67.354458][ T5159] ? __nla_validate_parse+0x26ce/0x3090 [ 67.360197][ T5159] ? kmalloc_trace_noprof+0x19c/0x2c0 [ 67.365569][ T5159] ? rtnl_newlink+0xf2/0x20a0 [ 67.370328][ T5159] ? __pfx___nla_validate_parse+0x10/0x10 [ 67.376043][ T5159] ? validate_linkmsg+0x71e/0x900 [ 67.381225][ T5159] rtnl_newlink+0x180b/0x20a0 [ 67.385888][ T5159] ? rtnl_newlink+0x4f1/0x20a0 [ 67.390647][ T5159] ? __pfx_rtnl_newlink+0x10/0x10 [ 67.395719][ T5159] ? __pfx___mutex_trylock_common+0x10/0x10 [ 67.401615][ T5159] ? rcu_is_watching+0x15/0xb0 [ 67.406401][ T5159] ? trace_contention_end+0x3c/0x120 [ 67.411876][ T5159] ? __mutex_lock+0x2ef/0xd70 [ 67.416760][ T5159] ? __pfx_lock_release+0x10/0x10 [ 67.421801][ T5159] ? __pfx_rtnl_newlink+0x10/0x10 [ 67.426918][ T5159] rtnetlink_rcv_msg+0x89b/0x1180 [ 67.432098][ T5159] ? rtnetlink_rcv_msg+0x208/0x1180 [ 67.437351][ T5159] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 67.442824][ T5159] ? is_bpf_text_address+0x285/0x2a0 [ 67.448107][ T5159] ? __pfx_validate_chain+0x10/0x10 [ 67.453468][ T5159] ? __pfx_validate_chain+0x10/0x10 [ 67.458685][ T5159] ? arch_stack_walk+0x16d/0x1b0 [ 67.463679][ T5159] ? mark_lock+0x9a/0x350 [ 67.468000][ T5159] ? __pfx_validate_chain+0x10/0x10 [ 67.473274][ T5159] ? __lock_acquire+0x1346/0x1fd0 [ 67.478279][ T5159] ? mark_lock+0x9a/0x350 [ 67.482618][ T5159] ? __lock_acquire+0x1346/0x1fd0 [ 67.487750][ T5159] netlink_rcv_skb+0x1e3/0x430 [ 67.492526][ T5159] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 67.497973][ T5159] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 67.503358][ T5159] ? netlink_deliver_tap+0x2e/0x1b0 [ 67.508562][ T5159] netlink_unicast+0x7ea/0x980 [ 67.513366][ T5159] ? __pfx_netlink_unicast+0x10/0x10 [ 67.518654][ T5159] ? __virt_addr_valid+0x183/0x520 [ 67.524039][ T5159] ? __check_object_size+0x49c/0x900 [ 67.529325][ T5159] ? bpf_lsm_netlink_send+0x9/0x10 [ 67.534430][ T5159] netlink_sendmsg+0x8db/0xcb0 [ 67.539209][ T5159] ? __pfx_netlink_sendmsg+0x10/0x10 [ 67.544486][ T5159] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 67.550487][ T5159] ? aa_sock_msg_perm+0x91/0x160 [ 67.555506][ T5159] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 67.560779][ T5159] ? security_socket_sendmsg+0x87/0xb0 [ 67.566234][ T5159] ? __pfx_netlink_sendmsg+0x10/0x10 [ 67.571514][ T5159] __sock_sendmsg+0x221/0x270 [ 67.576197][ T5159] __sys_sendto+0x3a4/0x4f0 [ 67.580871][ T5159] ? __pfx___sys_sendto+0x10/0x10 [ 67.585926][ T5159] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 67.591896][ T5159] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 67.598304][ T5159] __x64_sys_sendto+0xde/0x100 [ 67.603056][ T5159] do_syscall_64+0xf3/0x230 [ 67.607636][ T5159] ? clear_bhb_loop+0x35/0x90 [ 67.612394][ T5159] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 67.618397][ T5159] RIP: 0033:0x7fe59307ed43 [ 67.622867][ T5159] Code: 64 89 02 48 c7 c0 ff ff ff ff eb b7 66 2e 0f 1= f 84 00 00 00 00 00 90 80 3d c1 91 10 00 00 41 89 ca 74 14 b8 2c 00 00 00 0= f 05 <48> 3d 00 f0 ff ff 77 75 c3 0f 1f 40 00 55 48 83 ec 30 44 89 4c 24 [ 67.642562][ T5159] RSP: 002b:00007fe5932df648 EFLAGS: 00000202 ORIG_RAX= : 000000000000002c [ 67.650973][ T5159] RAX: ffffffffffffffda RBX: 00007fe593ce4620 RCX: 000= 07fe59307ed43 [ 67.659020][ T5159] RDX: 0000000000000028 RSI: 00007fe593ce4670 RDI: 000= 0000000000003 [ 67.666978][ T5159] RBP: 0000000000000001 R08: 00007fe5932df664 R09: 000= 000000000000c [ 67.675020][ T5159] R10: 0000000000000000 R11: 0000000000000202 R12: 000= 0000000000003 [ 67.683433][ T5159] R13: 0000000000000000 R14: 00007fe593ce4670 R15: 000= 0000000000000 [ 67.691430][ T5159] [ 72.393400][ T1249] ieee802154 phy0 wpan0: encryption failed: -22 [ 72.399745][ T1249] ieee802154 phy1 wpan1: encryption failed: -22 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-2/linux/gopath/pkg/mod' GONOPROXY=3D'' GONOSUMDB=3D'' GOOS=3D'linux' GOPATH=3D'/syzkaller/jobs-2/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-2/linux/gopath/src/github.com/google/syzkaller/go.= mod' 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-build2557619195=3D/tmp/go-build -gno-record-gc= c-switches' git status (err=3D) HEAD detached at edc5149ad2 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 go fmt ./sys/... >/dev/null touch .descriptions GOOS=3Dlinux GOARCH=3Damd64 go build "-ldflags=3D-s -w -X github.com/google= /syzkaller/prog.GitRevision=3Dedc5149ad2ab7a38db6b3bcb1b594e0264a92163 -X '= github.com/google/syzkaller/prog.gitRevisionDate=3D20240621-090414'" "-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=3Dedc5149ad2ab7a38db6b3bcb1b594e0264a92163 -X '= github.com/google/syzkaller/prog.gitRevisionDate=3D20240621-090414'" "-tags= =3Dsyz_target syz_os_linux syz_arch_amd64 " -o ./bin/linux_amd64/syz-execpr= og github.com/google/syzkaller/tools/syz-execprog mkdir -p ./bin/linux_amd64 g++ -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 -std=3Dc++17 -I. -Iexecutor/_include -fpermissive -w -DGOOS_linu= x=3D1 -DGOARCH_amd64=3D1 \ -DHOSTGOOS_linux=3D1 -DGIT_REVISION=3D\"edc5149ad2ab7a38db6b3bcb1b594e0264= a92163\" Tested on: commit: 795c58e4 Merge tag 'trace-v6.10-rc6' of git://git.kern.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=3D864caee5f78cab5= 1 dashboard link: https://syzkaller.appspot.com/bug?extid=3D705c61d60b091ef42= c04 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debia= n) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=3D13e99bae9800= 00