WARNING in enqueue_to_backlog
------------[ cut here ]------------
raw_local_irq_restore() called with IRQs enabled
WARNING: kernel/locking/irqflag-debug.c:10 at warn_bogus_irq_restore+0xc/0x20 kernel/locking/irqflag-debug.c:10, CPU#1: aoe_tx0/1321
Modules linked in:
CPU: 1 UID: 0 PID: 1321 Comm: aoe_tx0 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:warn_bogus_irq_restore+0xc/0x20 kernel/locking/irqflag-debug.c:10
Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 90 48 8d 3d a4 0b 4c 04 <67> 48 0f b9 3a 90 c3 cc cc cc cc cc cc cc cc cc cc cc cc cc 90 90
RSP: 0018:ffffc90005d5f728 EFLAGS: 00010293
RAX: ffffffff88f49090 RBX: 0000000000000001 RCX: ffff888028a98000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8f6d3e50
RBP: ffff8880b893d960 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1ed43d7 R12: ffff8880b893d978
R13: dffffc0000000000 R14: 0000000000000200 R15: ffff8880b893d958
FS: 0000000000000000(0000) GS:ffff888126445000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000560784bf1f40 CR3: 000000000dbba000 CR4: 00000000003526f0
Call Trace:
backlog_unlock_irq_restore net/core/dev.c:253 [inline]
enqueue_to_backlog+0x525/0xcf0 net/core/dev.c:5347
netif_rx_internal+0x120/0x590 net/core/dev.c:5659
__netif_rx+0xa9/0x110 net/core/dev.c:5679
loopback_xmit+0x43a/0x660 drivers/net/loopback.c:90
__netdev_start_xmit include/linux/netdevice.h:5275 [inline]
netdev_start_xmit include/linux/netdevice.h:5284 [inline]
xmit_one net/core/dev.c:3864 [inline]
dev_hard_start_xmit+0x2f2/0x8b0 net/core/dev.c:3880
__dev_queue_xmit+0x16f4/0x39e0 net/core/dev.c:4829
dev_queue_xmit include/linux/netdevice.h:3384 [inline]
tx+0x6b/0x190 drivers/block/aoe/aoenet.c:62
kthread+0x1e0/0x3f0 drivers/block/aoe/aoecmd.c:1241
kthread+0x388/0x470 kernel/kthread.c:467
ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
----------------
Code disassembly (best guess):
0: cc int3
1: cc int3
2: cc int3
3: cc int3
4: cc int3
5: cc int3
6: cc int3
7: cc int3
8: cc int3
9: cc int3
a: cc int3
b: cc int3
c: cc int3
d: cc int3
e: 90 nop
f: 90 nop
10: 90 nop
11: 90 nop
12: 90 nop
13: 90 nop
14: 90 nop
15: 90 nop
16: 90 nop
17: 90 nop
18: 90 nop
19: 90 nop
1a: 90 nop
1b: 90 nop
1c: 90 nop
1d: 90 nop
1e: f3 0f 1e fa endbr64
22: 90 nop
23: 48 8d 3d a4 0b 4c 04 lea 0x44c0ba4(%rip),%rdi # 0x44c0bce
* 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction
2f: 90 nop
30: c3 ret
31: cc int3
32: cc int3
33: cc int3
34: cc int3
35: cc int3
36: cc int3
37: cc int3
38: cc int3
39: cc int3
3a: cc int3
3b: cc int3
3c: cc int3
3d: cc int3
3e: 90 nop
3f: 90 nop
[ 71.515742][ T1321] ------------[ cut here ]------------
[ 71.515757][ T1321] raw_local_irq_restore() called with IRQs enabled
[ 71.515768][ T1321] WARNING: kernel/locking/irqflag-debug.c:10 at warn_bogus_irq_restore+0xc/0x20, CPU#1: aoe_tx0/1321
[ 71.515823][ T1321] Modules linked in:
[ 71.515857][ T1321] CPU: 1 UID: 0 PID: 1321 Comm: aoe_tx0 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 71.515877][ T1321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 71.515892][ T1321] RIP: 0010:warn_bogus_irq_restore+0xc/0x20
[ 71.515914][ T1321] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 90 48 8d 3d a4 0b 4c 04 <67> 48 0f b9 3a 90 c3 cc cc cc cc cc cc cc cc cc cc cc cc cc 90 90
[ 71.515933][ T1321] RSP: 0018:ffffc90005d5f728 EFLAGS: 00010293
[ 71.515948][ T1321] RAX: ffffffff88f49090 RBX: 0000000000000001 RCX: ffff888028a98000
[ 71.515962][ T1321] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8f6d3e50
[ 71.515974][ T1321] RBP: ffff8880b893d960 R08: 0000000000000000 R09: 0000000000000000
[ 71.515986][ T1321] R10: dffffc0000000000 R11: fffffbfff1ed43d7 R12: ffff8880b893d978
[ 71.516000][ T1321] R13: dffffc0000000000 R14: 0000000000000200 R15: ffff8880b893d958
[ 71.516014][ T1321] FS: 0000000000000000(0000) GS:ffff888126445000(0000) knlGS:0000000000000000
[ 71.516029][ T1321] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 71.516042][ T1321] CR2: 0000560784bf1f40 CR3: 000000000dbba000 CR4: 00000000003526f0
[ 71.516058][ T1321] Call Trace:
[ 71.516069][ T1321]
[ 71.516077][ T1321] enqueue_to_backlog+0x525/0xcf0
[ 71.516115][ T1321] netif_rx_internal+0x120/0x590
[ 71.516142][ T1321] ? __pfx_netif_rx_internal+0x10/0x10
[ 71.516163][ T1321] ? __lock_acquire+0x6b5/0x2cf0
[ 71.516188][ T1321] ? eth_type_trans+0x35e/0x6d0
[ 71.516205][ T1321] ? rcu_is_watching+0x15/0xb0
[ 71.516230][ T1321] __netif_rx+0xa9/0x110
[ 71.516249][ T1321] loopback_xmit+0x43a/0x660
[ 71.516285][ T1321] dev_hard_start_xmit+0x2f2/0x8b0
[ 71.516317][ T1321] __dev_queue_xmit+0x16f4/0x39e0
[ 71.516337][ T1321] ? __lock_acquire+0x6b5/0x2cf0
[ 71.516367][ T1321] ? __lock_acquire+0x6b5/0x2cf0
[ 71.516404][ T1321] ? __lock_acquire+0x6b5/0x2cf0
[ 71.516430][ T1321] ? __dev_queue_xmit+0x27d/0x39e0
[ 71.516458][ T1321] ? do_raw_spin_lock+0x12b/0x2f0
[ 71.516485][ T1321] ? __pfx___dev_queue_xmit+0x10/0x10
[ 71.516514][ T1321] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 71.516534][ T1321] ? lockdep_hardirqs_on+0x7a/0x110
[ 71.516555][ T1321] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 71.516571][ T1321] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 71.516594][ T1321] ? reacquire_held_locks+0x104/0x190
[ 71.516610][ T1321] ? rt_spin_lock+0x1e0/0x400
[ 71.516639][ T1321] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 71.516654][ T1321] ? rt_spin_unlock+0x14f/0x200
[ 71.516669][ T1321] ? rt_spin_unlock+0x160/0x200
[ 71.516684][ T1321] tx+0x6b/0x190
[ 71.516695][ T1321] ? __pfx_tx+0x10/0x10
[ 71.516706][ T1321] kthread+0x1e0/0x3f0
[ 71.516721][ T1321] ? __pfx_kthread+0x10/0x10
[ 71.516730][ T1321] ? __pfx_default_wake_function+0x10/0x10
[ 71.516744][ T1321] ? __kthread_parkme+0x7a/0x1f0
[ 71.516764][ T1321] kthread+0x388/0x470
[ 71.516774][ T1321] ? __pfx_kthread+0x10/0x10
[ 71.516783][ T1321] ? __pfx_kthread+0x10/0x10
[ 71.516793][ T1321] ret_from_fork+0x51e/0xb90
[ 71.516809][ T1321] ? __pfx_ret_from_fork+0x10/0x10
[ 71.516822][ T1321] ? __switch_to+0xc7d/0x1450
[ 71.516837][ T1321] ? __pfx_kthread+0x10/0x10
[ 71.516848][ T1321] ret_from_fork_asm+0x1a/0x30
[ 71.516865][ T1321]
[ 71.516871][ T1321] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 71.516883][ T1321] CPU: 1 UID: 0 PID: 1321 Comm: aoe_tx0 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 71.516895][ T1321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 71.516901][ T1321] Call Trace:
[ 71.516905][ T1321]
[ 71.516909][ T1321] vpanic+0x56c/0xa60
[ 71.516925][ T1321] ? __pfx__printk+0x10/0x10
[ 71.516936][ T1321] ? __pfx_vpanic+0x10/0x10
[ 71.516950][ T1321] ? is_bpf_text_address+0x292/0x2b0
[ 71.516963][ T1321] ? is_bpf_text_address+0x26/0x2b0
[ 71.516979][ T1321] panic+0xc5/0xd0
[ 71.516993][ T1321] ? __pfx_panic+0x10/0x10
[ 71.517011][ T1321] ? ret_from_fork_asm+0x1a/0x30
[ 71.517023][ T1321] __warn+0x315/0x4f0
[ 71.517037][ T1321] ? warn_bogus_irq_restore+0xc/0x20
[ 71.517048][ T1321] ? warn_bogus_irq_restore+0xc/0x20
[ 71.517059][ T1321] __report_bug+0x29a/0x540
[ 71.517072][ T1321] ? warn_bogus_irq_restore+0xc/0x20
[ 71.517082][ T1321] ? __pfx___report_bug+0x10/0x10
[ 71.517101][ T1321] report_bug_entry+0x19a/0x290
[ 71.517111][ T1321] ? warn_bogus_irq_restore+0xc/0x20
[ 71.517120][ T1321] ? warn_bogus_irq_restore+0x11/0x20
[ 71.517130][ T1321] handle_bug+0xca/0x200
[ 71.517143][ T1321] exc_invalid_op+0x1a/0x50
[ 71.517155][ T1321] asm_exc_invalid_op+0x1a/0x20
[ 71.517166][ T1321] RIP: 0010:warn_bogus_irq_restore+0xc/0x20
[ 71.517177][ T1321] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 90 48 8d 3d a4 0b 4c 04 <67> 48 0f b9 3a 90 c3 cc cc cc cc cc cc cc cc cc cc cc cc cc 90 90
[ 71.517185][ T1321] RSP: 0018:ffffc90005d5f728 EFLAGS: 00010293
[ 71.517194][ T1321] RAX: ffffffff88f49090 RBX: 0000000000000001 RCX: ffff888028a98000
[ 71.517202][ T1321] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8f6d3e50
[ 71.517208][ T1321] RBP: ffff8880b893d960 R08: 0000000000000000 R09: 0000000000000000
[ 71.517214][ T1321] R10: dffffc0000000000 R11: fffffbfff1ed43d7 R12: ffff8880b893d978
[ 71.517222][ T1321] R13: dffffc0000000000 R14: 0000000000000200 R15: ffff8880b893d958
[ 71.517233][ T1321] ? enqueue_to_backlog+0x520/0xcf0
[ 71.517249][ T1321] enqueue_to_backlog+0x525/0xcf0
[ 71.517266][ T1321] netif_rx_internal+0x120/0x590
[ 71.517283][ T1321] ? __pfx_netif_rx_internal+0x10/0x10
[ 71.517297][ T1321] ? __lock_acquire+0x6b5/0x2cf0
[ 71.517311][ T1321] ? eth_type_trans+0x35e/0x6d0
[ 71.517322][ T1321] ? rcu_is_watching+0x15/0xb0
[ 71.517335][ T1321] __netif_rx+0xa9/0x110
[ 71.517347][ T1321] loopback_xmit+0x43a/0x660
[ 71.517362][ T1321] dev_hard_start_xmit+0x2f2/0x8b0
[ 71.517380][ T1321] __dev_queue_xmit+0x16f4/0x39e0
[ 71.517390][ T1321] ? __lock_acquire+0x6b5/0x2cf0
[ 71.517407][ T1321] ? __lock_acquire+0x6b5/0x2cf0
[ 71.517424][ T1321] ? __lock_acquire+0x6b5/0x2cf0
[ 71.517438][ T1321] ? __dev_queue_xmit+0x27d/0x39e0
[ 71.517452][ T1321] ? do_raw_spin_lock+0x12b/0x2f0
[ 71.517466][ T1321] ? __pfx___dev_queue_xmit+0x10/0x10
[ 71.517481][ T1321] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 71.517491][ T1321] ? lockdep_hardirqs_on+0x7a/0x110
[ 71.517501][ T1321] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 71.517511][ T1321] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 71.517525][ T1321] ? reacquire_held_locks+0x104/0x190
[ 71.517535][ T1321] ? rt_spin_lock+0x1e0/0x400
[ 71.517550][ T1321] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 71.517565][ T1321] ? rt_spin_unlock+0x14f/0x200
[ 71.517580][ T1321] ? rt_spin_unlock+0x160/0x200
[ 71.517594][ T1321] tx+0x6b/0x190
[ 71.517605][ T1321] ? __pfx_tx+0x10/0x10
[ 71.517616][ T1321] kthread+0x1e0/0x3f0
[ 71.517635][ T1321] ? __pfx_kthread+0x10/0x10
[ 71.517645][ T1321] ? __pfx_default_wake_function+0x10/0x10
[ 71.517658][ T1321] ? __kthread_parkme+0x7a/0x1f0
[ 71.517677][ T1321] kthread+0x388/0x470
[ 71.517687][ T1321] ? __pfx_kthread+0x10/0x10
[ 71.517696][ T1321] ? __pfx_kthread+0x10/0x10
[ 71.517707][ T1321] ret_from_fork+0x51e/0xb90
[ 71.517722][ T1321] ? __pfx_ret_from_fork+0x10/0x10
[ 71.517734][ T1321] ? __switch_to+0xc7d/0x1450
[ 71.517748][ T1321] ? __pfx_kthread+0x10/0x10
[ 71.517759][ T1321] ret_from_fork_asm+0x1a/0x30
[ 71.517776][ T1321]
[ 71.518178][ T1321] Kernel Offset: disabled
syzkaller build log:
go env (err=)
AR='ar'
CC='gcc'
CGO_CFLAGS='-O2 -g'
CGO_CPPFLAGS=''
CGO_CXXFLAGS='-O2 -g'
CGO_ENABLED='1'
CGO_FFLAGS='-O2 -g'
CGO_LDFLAGS='-O2 -g'
CXX='g++'
GCCGO='gccgo'
GO111MODULE='auto'
GOAMD64='v1'
GOARCH='amd64'
GOAUTH='netrc'
GOBIN=''
GOCACHE='/syzkaller/.cache/go-build'
GOCACHEPROG=''
GODEBUG=''
GOENV='/syzkaller/.config/go/env'
GOEXE=''
GOEXPERIMENT=''
GOFIPS140='off'
GOFLAGS=''
GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build1117823672=/tmp/go-build -gno-record-gcc-switches'
GOHOSTARCH='amd64'
GOHOSTOS='linux'
GOINSECURE=''
GOMOD='/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/go.mod'
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'
GOTELEMETRY='local'
GOTELEMETRYDIR='/syzkaller/.config/go/telemetry'
GOTMPDIR=''
GOTOOLCHAIN='auto'
GOTOOLDIR='/usr/local/go/pkg/tool/linux_amd64'
GOVCS=''
GOVERSION='go1.24.4'
GOWORK=''
PKG_CONFIG='pkg-config'
git status (err=)
HEAD detached at d78927dd8d
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/contributing.md#using-syz-env
go list -f '{{.Stale}}' -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d78927dd8d06cbe4d0dadb84bb5f977462dde1fd -X github.com/google/syzkaller/prog.gitRevisionDate=20260202-183658" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d78927dd8d06cbe4d0dadb84bb5f977462dde1fd -X github.com/google/syzkaller/prog.gitRevisionDate=20260202-183658" ./sys/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/contributing.md#using-syz-env
bin/syz-sysgen
touch .descriptions
GOOS=linux GOARCH=amd64 go build -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=d78927dd8d06cbe4d0dadb84bb5f977462dde1fd -X github.com/google/syzkaller/prog.gitRevisionDate=20260202-183658" -o ./bin/linux_amd64/syz-execprog 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 -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -static-pie -std=c++17 -I. -Iexecutor/_include -DGOOS_linux=1 -DGOARCH_amd64=1 \
-DHOSTGOOS_linux=1 -DGIT_REVISION=\"d78927dd8d06cbe4d0dadb84bb5f977462dde1fd\"
/usr/bin/ld: /tmp/cc3Z1Y5l.o: in function `Connection::Connect(char const*, char const*)':
executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0x386): warning: Using 'gethostbyname' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking
./tools/check-syzos.sh 2>/dev/null