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#0: aoe_tx0/1322
Modules linked in:
CPU: 0 UID: 0 PID: 1322 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 5b 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:ffffc90005a9f728 EFLAGS: 00010293
RAX: ffffffff88f420a0 RBX: 0000000000000001 RCX: ffff888029231e40
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8f6d1e50
RBP: ffff8880b883d960 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1ed3fd7 R12: ffff8880b883d978
R13: dffffc0000000000 R14: 0000000000000200 R15: ffff8880b883d958
FS: 0000000000000000(0000) GS:ffff88812634a000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000563a288caee8 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 5b 4c 04 lea 0x44c5ba4(%rip),%rdi # 0x44c5bce
* 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
[ 71.420367][ T1322] ------------[ cut here ]------------
[ 71.420382][ T1322] raw_local_irq_restore() called with IRQs enabled
[ 71.420392][ T1322] WARNING: kernel/locking/irqflag-debug.c:10 at warn_bogus_irq_restore+0xc/0x20, CPU#0: aoe_tx0/1322
[ 71.420456][ T1322] Modules linked in:
[ 71.420489][ T1322] CPU: 0 UID: 0 PID: 1322 Comm: aoe_tx0 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 71.420508][ T1322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 71.420521][ T1322] RIP: 0010:warn_bogus_irq_restore+0xc/0x20
[ 71.420546][ T1322] 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 5b 4c 04 <67> 48 0f b9 3a 90 c3 cc cc cc cc cc cc cc cc cc cc cc cc cc 90 90
[ 71.420563][ T1322] RSP: 0018:ffffc90005a9f728 EFLAGS: 00010293
[ 71.420578][ T1322] RAX: ffffffff88f420a0 RBX: 0000000000000001 RCX: ffff888029231e40
[ 71.420590][ T1322] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8f6d1e50
[ 71.420601][ T1322] RBP: ffff8880b883d960 R08: 0000000000000000 R09: 0000000000000000
[ 71.420612][ T1322] R10: dffffc0000000000 R11: fffffbfff1ed3fd7 R12: ffff8880b883d978
[ 71.420624][ T1322] R13: dffffc0000000000 R14: 0000000000000200 R15: ffff8880b883d958
[ 71.420636][ T1322] FS: 0000000000000000(0000) GS:ffff88812634a000(0000) knlGS:0000000000000000
[ 71.420650][ T1322] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 71.420662][ T1322] CR2: 0000563a288caee8 CR3: 000000000dbba000 CR4: 00000000003526f0
[ 71.420677][ T1322] Call Trace:
[ 71.420687][ T1322]
[ 71.420694][ T1322] enqueue_to_backlog+0x525/0xcf0
[ 71.420720][ T1322] ? __lock_acquire+0x6b5/0x2cf0
[ 71.420751][ T1322] netif_rx_internal+0x120/0x590
[ 71.420775][ T1322] ? __pfx_netif_rx_internal+0x10/0x10
[ 71.420792][ T1322] ? __lock_acquire+0x6b5/0x2cf0
[ 71.420812][ T1322] ? eth_type_trans+0x35e/0x6d0
[ 71.420832][ T1322] ? rcu_is_watching+0x15/0xb0
[ 71.420853][ T1322] __netif_rx+0xa9/0x110
[ 71.420870][ T1322] loopback_xmit+0x43a/0x660
[ 71.420897][ T1322] dev_hard_start_xmit+0x2f2/0x8b0
[ 71.420923][ T1322] __dev_queue_xmit+0x16f4/0x39e0
[ 71.420932][ T1322] ? __lock_acquire+0x6b5/0x2cf0
[ 71.420947][ T1322] ? __lock_acquire+0x6b5/0x2cf0
[ 71.420964][ T1322] ? __lock_acquire+0x6b5/0x2cf0
[ 71.420977][ T1322] ? __dev_queue_xmit+0x27d/0x39e0
[ 71.420989][ T1322] ? do_raw_spin_lock+0x12b/0x2f0
[ 71.421003][ T1322] ? __pfx___dev_queue_xmit+0x10/0x10
[ 71.421016][ T1322] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 71.421030][ T1322] ? lockdep_hardirqs_on+0x7a/0x110
[ 71.421043][ T1322] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 71.421056][ T1322] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 71.421068][ T1322] ? reacquire_held_locks+0x104/0x190
[ 71.421078][ T1322] ? rt_spin_lock+0x1e0/0x400
[ 71.421090][ T1322] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 71.421103][ T1322] ? rt_spin_unlock+0x14f/0x200
[ 71.421116][ T1322] ? rt_spin_unlock+0x160/0x200
[ 71.421128][ T1322] tx+0x6b/0x190
[ 71.421137][ T1322] ? __pfx_tx+0x10/0x10
[ 71.421146][ T1322] kthread+0x1e0/0x3f0
[ 71.421163][ T1322] ? __pfx_kthread+0x10/0x10
[ 71.421176][ T1322] ? __pfx_default_wake_function+0x10/0x10
[ 71.421189][ T1322] ? __kthread_parkme+0x7a/0x1f0
[ 71.421210][ T1322] kthread+0x388/0x470
[ 71.421220][ T1322] ? __pfx_kthread+0x10/0x10
[ 71.421232][ T1322] ? __pfx_kthread+0x10/0x10
[ 71.421242][ T1322] ret_from_fork+0x51e/0xb90
[ 71.421258][ T1322] ? __pfx_ret_from_fork+0x10/0x10
[ 71.421270][ T1322] ? __switch_to+0xc7d/0x1450
[ 71.421284][ T1322] ? __pfx_kthread+0x10/0x10
[ 71.421294][ T1322] ret_from_fork_asm+0x1a/0x30
[ 71.421311][ T1322]
[ 71.421317][ T1322] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 71.421324][ T1322] CPU: 0 UID: 0 PID: 1322 Comm: aoe_tx0 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 71.421335][ T1322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
[ 71.421340][ T1322] Call Trace:
[ 71.421344][ T1322]
[ 71.421348][ T1322] vpanic+0x56c/0xa60
[ 71.421370][ T1322] ? __pfx__printk+0x10/0x10
[ 71.421380][ T1322] ? __pfx_vpanic+0x10/0x10
[ 71.421393][ T1322] ? is_bpf_text_address+0x292/0x2b0
[ 71.421405][ T1322] ? is_bpf_text_address+0x26/0x2b0
[ 71.421421][ T1322] panic+0xc5/0xd0
[ 71.421434][ T1322] ? __pfx_panic+0x10/0x10
[ 71.421457][ T1322] ? ret_from_fork_asm+0x1a/0x30
[ 71.421468][ T1322] __warn+0x315/0x4f0
[ 71.421481][ T1322] ? warn_bogus_irq_restore+0xc/0x20
[ 71.421495][ T1322] ? warn_bogus_irq_restore+0xc/0x20
[ 71.421509][ T1322] __report_bug+0x29a/0x540
[ 71.421526][ T1322] ? warn_bogus_irq_restore+0xc/0x20
[ 71.421540][ T1322] ? __pfx___report_bug+0x10/0x10
[ 71.421562][ T1322] report_bug_entry+0x19a/0x290
[ 71.421576][ T1322] ? warn_bogus_irq_restore+0xc/0x20
[ 71.421588][ T1322] ? warn_bogus_irq_restore+0x11/0x20
[ 71.421601][ T1322] handle_bug+0xca/0x200
[ 71.421611][ T1322] exc_invalid_op+0x1a/0x50
[ 71.421621][ T1322] asm_exc_invalid_op+0x1a/0x20
[ 71.421631][ T1322] RIP: 0010:warn_bogus_irq_restore+0xc/0x20
[ 71.421645][ T1322] 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 5b 4c 04 <67> 48 0f b9 3a 90 c3 cc cc cc cc cc cc cc cc cc cc cc cc cc 90 90
[ 71.421660][ T1322] RSP: 0018:ffffc90005a9f728 EFLAGS: 00010293
[ 71.421668][ T1322] RAX: ffffffff88f420a0 RBX: 0000000000000001 RCX: ffff888029231e40
[ 71.421675][ T1322] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8f6d1e50
[ 71.421681][ T1322] RBP: ffff8880b883d960 R08: 0000000000000000 R09: 0000000000000000
[ 71.421687][ T1322] R10: dffffc0000000000 R11: fffffbfff1ed3fd7 R12: ffff8880b883d978
[ 71.421693][ T1322] R13: dffffc0000000000 R14: 0000000000000200 R15: ffff8880b883d958
[ 71.421704][ T1322] ? enqueue_to_backlog+0x520/0xcf0
[ 71.421718][ T1322] enqueue_to_backlog+0x525/0xcf0
[ 71.421730][ T1322] ? __lock_acquire+0x6b5/0x2cf0
[ 71.421746][ T1322] netif_rx_internal+0x120/0x590
[ 71.421760][ T1322] ? __pfx_netif_rx_internal+0x10/0x10
[ 71.421772][ T1322] ? __lock_acquire+0x6b5/0x2cf0
[ 71.421786][ T1322] ? eth_type_trans+0x35e/0x6d0
[ 71.421799][ T1322] ? rcu_is_watching+0x15/0xb0
[ 71.421811][ T1322] __netif_rx+0xa9/0x110
[ 71.421822][ T1322] loopback_xmit+0x43a/0x660
[ 71.421834][ T1322] dev_hard_start_xmit+0x2f2/0x8b0
[ 71.421856][ T1322] __dev_queue_xmit+0x16f4/0x39e0
[ 71.421864][ T1322] ? __lock_acquire+0x6b5/0x2cf0
[ 71.421879][ T1322] ? __lock_acquire+0x6b5/0x2cf0
[ 71.421896][ T1322] ? __lock_acquire+0x6b5/0x2cf0
[ 71.421909][ T1322] ? __dev_queue_xmit+0x27d/0x39e0
[ 71.421921][ T1322] ? do_raw_spin_lock+0x12b/0x2f0
[ 71.421934][ T1322] ? __pfx___dev_queue_xmit+0x10/0x10
[ 71.421947][ T1322] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 71.421960][ T1322] ? lockdep_hardirqs_on+0x7a/0x110
[ 71.421974][ T1322] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 71.421987][ T1322] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 71.421998][ T1322] ? reacquire_held_locks+0x104/0x190
[ 71.422008][ T1322] ? rt_spin_lock+0x1e0/0x400
[ 71.422020][ T1322] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 71.422033][ T1322] ? rt_spin_unlock+0x14f/0x200
[ 71.422046][ T1322] ? rt_spin_unlock+0x160/0x200
[ 71.422058][ T1322] tx+0x6b/0x190
[ 71.422066][ T1322] ? __pfx_tx+0x10/0x10
[ 71.422075][ T1322] kthread+0x1e0/0x3f0
[ 71.422093][ T1322] ? __pfx_kthread+0x10/0x10
[ 71.422106][ T1322] ? __pfx_default_wake_function+0x10/0x10
[ 71.422118][ T1322] ? __kthread_parkme+0x7a/0x1f0
[ 71.422135][ T1322] kthread+0x388/0x470
[ 71.422145][ T1322] ? __pfx_kthread+0x10/0x10
[ 71.422157][ T1322] ? __pfx_kthread+0x10/0x10
[ 71.422167][ T1322] ret_from_fork+0x51e/0xb90
[ 71.422181][ T1322] ? __pfx_ret_from_fork+0x10/0x10
[ 71.422193][ T1322] ? __switch_to+0xc7d/0x1450
[ 71.422209][ T1322] ? __pfx_kthread+0x10/0x10
[ 71.422219][ T1322] ret_from_fork_asm+0x1a/0x30
[ 71.422236][ T1322]
[ 71.423128][ T1322] 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-build1585973973=/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 6f888b7530
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}}' ./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
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
go fmt ./sys/... >/dev/null
touch .descriptions
GOOS=linux GOARCH=amd64 go build "-ldflags=-s -w -X github.com/google/syzkaller/prog.GitRevision=6f888b7530906167ecb1f5a35e060fec736d6d32 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20240919-083833'" "-tags=syz_target syz_os_linux syz_arch_amd64 " -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 -fpermissive -w -DGOOS_linux=1 -DGOARCH_amd64=1 \
-DHOSTGOOS_linux=1 -DGIT_REVISION=\"6f888b7530906167ecb1f5a35e060fec736d6d32\"
/usr/bin/ld: /tmp/ccc6KrEa.o: in function `test_cover_filter()':
executor.cc:(.text+0x1683b): warning: the use of `tempnam' is dangerous, better use `mkstemp'
/usr/bin/ld: /tmp/ccc6KrEa.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