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_tx0/1322
Modules linked in:
CPU: 1 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 01/24/2026
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 64 c2 37 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:ffffc90005307728 EFLAGS: 00010293
RAX: ffffffff88eac6e0 RBX: 0000000000000001 RCX: ffff888028aa5ac0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8f4ce510
RBP: ffff8880b893d720 R08: 0000000000000000 R09: 0000000000000000
R10: dffffc0000000000 R11: fffffbfff1e9396f R12: ffff8880b893d738
R13: dffffc0000000000 R14: 0000000000000200 R15: ffff8880b893d718
FS: 0000000000000000(0000) GS:ffff888126678000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055f9ff30dee8 CR3: 0000000028082000 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+0x120/0x550 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+0x2df/0x830 net/core/dev.c:3880
__dev_queue_xmit+0x16f4/0x3990 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 64 c2 37 04 lea 0x437c264(%rip),%rdi # 0x437c28e
* 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
[ 71.447891][ T1322] ------------[ cut here ]------------
[ 71.447907][ T1322] raw_local_irq_restore() called with IRQs enabled
[ 71.447921][ T1322] WARNING: kernel/locking/irqflag-debug.c:10 at warn_bogus_irq_restore+0xc/0x20, CPU#1: aoe_tx0/1322
[ 71.447973][ T1322] Modules linked in:
[ 71.448006][ T1322] CPU: 1 UID: 0 PID: 1322 Comm: aoe_tx0 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 71.448035][ T1322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 71.448049][ T1322] RIP: 0010:warn_bogus_irq_restore+0xc/0x20
[ 71.448069][ 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 64 c2 37 04 <67> 48 0f b9 3a 90 c3 cc cc cc cc cc cc cc cc cc cc cc cc cc 90 90
[ 71.448087][ T1322] RSP: 0018:ffffc90005307728 EFLAGS: 00010293
[ 71.448102][ T1322] RAX: ffffffff88eac6e0 RBX: 0000000000000001 RCX: ffff888028aa5ac0
[ 71.448116][ T1322] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8f4ce510
[ 71.448127][ T1322] RBP: ffff8880b893d720 R08: 0000000000000000 R09: 0000000000000000
[ 71.448139][ T1322] R10: dffffc0000000000 R11: fffffbfff1e9396f R12: ffff8880b893d738
[ 71.448152][ T1322] R13: dffffc0000000000 R14: 0000000000000200 R15: ffff8880b893d718
[ 71.448165][ T1322] FS: 0000000000000000(0000) GS:ffff888126678000(0000) knlGS:0000000000000000
[ 71.448180][ T1322] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 71.448192][ T1322] CR2: 000055f9ff30dee8 CR3: 0000000028082000 CR4: 00000000003526f0
[ 71.448208][ T1322] Call Trace:
[ 71.448218][ T1322]
[ 71.448225][ T1322] enqueue_to_backlog+0x525/0xcf0
[ 71.448266][ T1322] netif_rx_internal+0x120/0x550
[ 71.448292][ T1322] ? __lock_acquire+0x6b5/0x2cf0
[ 71.448315][ T1322] ? __pfx_netif_rx_internal+0x10/0x10
[ 71.448337][ T1322] ? eth_type_trans+0x35e/0x6d0
[ 71.448354][ T1322] ? rcu_is_watching+0x15/0xb0
[ 71.448381][ T1322] __netif_rx+0xa9/0x110
[ 71.448400][ T1322] loopback_xmit+0x43a/0x660
[ 71.448432][ T1322] dev_hard_start_xmit+0x2df/0x830
[ 71.448468][ T1322] __dev_queue_xmit+0x16f4/0x3990
[ 71.448486][ T1322] ? __lock_acquire+0x6b5/0x2cf0
[ 71.448519][ T1322] ? __lock_acquire+0x6b5/0x2cf0
[ 71.448548][ T1322] ? __dev_queue_xmit+0x27d/0x3990
[ 71.448577][ T1322] ? do_raw_spin_lock+0x12b/0x2f0
[ 71.448601][ T1322] ? __pfx___dev_queue_xmit+0x10/0x10
[ 71.448628][ T1322] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 71.448648][ T1322] ? lockdep_hardirqs_on+0x7a/0x110
[ 71.448666][ T1322] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 71.448685][ T1322] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 71.448709][ T1322] ? reacquire_held_locks+0x104/0x190
[ 71.448726][ T1322] ? rt_spin_lock+0x1e0/0x400
[ 71.448747][ T1322] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 71.448770][ T1322] ? rt_spin_unlock+0x14f/0x200
[ 71.448794][ T1322] ? rt_spin_unlock+0x160/0x200
[ 71.448815][ T1322] tx+0x6b/0x190
[ 71.448832][ T1322] ? __pfx_tx+0x10/0x10
[ 71.448843][ T1322] kthread+0x1e0/0x3f0
[ 71.448853][ T1322] ? lock_acquire+0x106/0x330
[ 71.448871][ T1322] ? __pfx_kthread+0x10/0x10
[ 71.448882][ T1322] ? __pfx_default_wake_function+0x10/0x10
[ 71.448893][ T1322] ? __kthread_parkme+0x7a/0x1f0
[ 71.448912][ T1322] kthread+0x388/0x470
[ 71.448927][ T1322] ? __pfx_kthread+0x10/0x10
[ 71.448936][ T1322] ? __pfx_kthread+0x10/0x10
[ 71.448952][ T1322] ret_from_fork+0x51e/0xb90
[ 71.448967][ T1322] ? __pfx_ret_from_fork+0x10/0x10
[ 71.448979][ T1322] ? __switch_to+0xc7d/0x1400
[ 71.448992][ T1322] ? __pfx_kthread+0x10/0x10
[ 71.449008][ T1322] ret_from_fork_asm+0x1a/0x30
[ 71.449032][ T1322]
[ 71.449037][ T1322] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 71.449048][ T1322] CPU: 1 UID: 0 PID: 1322 Comm: aoe_tx0 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
[ 71.449060][ T1322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
[ 71.449065][ T1322] Call Trace:
[ 71.449070][ T1322]
[ 71.449074][ T1322] vpanic+0x56c/0xa60
[ 71.449089][ T1322] ? __pfx__printk+0x10/0x10
[ 71.449100][ T1322] ? __pfx_vpanic+0x10/0x10
[ 71.449113][ T1322] ? is_bpf_text_address+0x292/0x2b0
[ 71.449125][ T1322] ? is_bpf_text_address+0x26/0x2b0
[ 71.449140][ T1322] panic+0xc5/0xd0
[ 71.449157][ T1322] ? __pfx_panic+0x10/0x10
[ 71.449175][ T1322] ? ret_from_fork_asm+0x1a/0x30
[ 71.449187][ T1322] __warn+0x315/0x4a0
[ 71.449201][ T1322] ? warn_bogus_irq_restore+0xc/0x20
[ 71.449212][ T1322] ? warn_bogus_irq_restore+0xc/0x20
[ 71.449222][ T1322] __report_bug+0x29a/0x540
[ 71.449236][ T1322] ? warn_bogus_irq_restore+0xc/0x20
[ 71.449246][ T1322] ? __pfx___report_bug+0x10/0x10
[ 71.449265][ T1322] report_bug_entry+0x19a/0x290
[ 71.449275][ T1322] ? warn_bogus_irq_restore+0xc/0x20
[ 71.449284][ T1322] ? warn_bogus_irq_restore+0x11/0x20
[ 71.449293][ T1322] handle_bug+0xca/0x200
[ 71.449306][ T1322] exc_invalid_op+0x1a/0x50
[ 71.449318][ T1322] asm_exc_invalid_op+0x1a/0x20
[ 71.449329][ T1322] RIP: 0010:warn_bogus_irq_restore+0xc/0x20
[ 71.449339][ 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 64 c2 37 04 <67> 48 0f b9 3a 90 c3 cc cc cc cc cc cc cc cc cc cc cc cc cc 90 90
[ 71.449347][ T1322] RSP: 0018:ffffc90005307728 EFLAGS: 00010293
[ 71.449357][ T1322] RAX: ffffffff88eac6e0 RBX: 0000000000000001 RCX: ffff888028aa5ac0
[ 71.449364][ T1322] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8f4ce510
[ 71.449370][ T1322] RBP: ffff8880b893d720 R08: 0000000000000000 R09: 0000000000000000
[ 71.449376][ T1322] R10: dffffc0000000000 R11: fffffbfff1e9396f R12: ffff8880b893d738
[ 71.449383][ T1322] R13: dffffc0000000000 R14: 0000000000000200 R15: ffff8880b893d718
[ 71.449394][ T1322] ? enqueue_to_backlog+0x520/0xcf0
[ 71.449410][ T1322] enqueue_to_backlog+0x525/0xcf0
[ 71.449428][ T1322] netif_rx_internal+0x120/0x550
[ 71.449444][ T1322] ? __lock_acquire+0x6b5/0x2cf0
[ 71.449458][ T1322] ? __pfx_netif_rx_internal+0x10/0x10
[ 71.449473][ T1322] ? eth_type_trans+0x35e/0x6d0
[ 71.449484][ T1322] ? rcu_is_watching+0x15/0xb0
[ 71.449502][ T1322] __netif_rx+0xa9/0x110
[ 71.449514][ T1322] loopback_xmit+0x43a/0x660
[ 71.449530][ T1322] dev_hard_start_xmit+0x2df/0x830
[ 71.449549][ T1322] __dev_queue_xmit+0x16f4/0x3990
[ 71.449561][ T1322] ? __lock_acquire+0x6b5/0x2cf0
[ 71.449580][ T1322] ? __lock_acquire+0x6b5/0x2cf0
[ 71.449593][ T1322] ? __dev_queue_xmit+0x27d/0x3990
[ 71.449607][ T1322] ? do_raw_spin_lock+0x12b/0x2f0
[ 71.449620][ T1322] ? __pfx___dev_queue_xmit+0x10/0x10
[ 71.449635][ T1322] ? _raw_spin_unlock_irqrestore+0x30/0x80
[ 71.449645][ T1322] ? lockdep_hardirqs_on+0x7a/0x110
[ 71.449655][ T1322] ? _raw_spin_unlock_irqrestore+0x4c/0x80
[ 71.449665][ T1322] ? rt_mutex_slowunlock+0x4a7/0x8b0
[ 71.449679][ T1322] ? reacquire_held_locks+0x104/0x190
[ 71.449688][ T1322] ? rt_spin_lock+0x1e0/0x400
[ 71.449702][ T1322] ? __pfx_rt_mutex_slowunlock+0x10/0x10
[ 71.449717][ T1322] ? rt_spin_unlock+0x14f/0x200
[ 71.449735][ T1322] ? rt_spin_unlock+0x160/0x200
[ 71.449752][ T1322] tx+0x6b/0x190
[ 71.449764][ T1322] ? __pfx_tx+0x10/0x10
[ 71.449777][ T1322] kthread+0x1e0/0x3f0
[ 71.449787][ T1322] ? lock_acquire+0x106/0x330
[ 71.449805][ T1322] ? __pfx_kthread+0x10/0x10
[ 71.449815][ T1322] ? __pfx_default_wake_function+0x10/0x10
[ 71.449827][ T1322] ? __kthread_parkme+0x7a/0x1f0
[ 71.449845][ T1322] kthread+0x388/0x470
[ 71.449860][ T1322] ? __pfx_kthread+0x10/0x10
[ 71.449870][ T1322] ? __pfx_kthread+0x10/0x10
[ 71.449886][ T1322] ret_from_fork+0x51e/0xb90
[ 71.449900][ T1322] ? __pfx_ret_from_fork+0x10/0x10
[ 71.449912][ T1322] ? __switch_to+0xc7d/0x1400
[ 71.449925][ T1322] ? __pfx_kthread+0x10/0x10
[ 71.449941][ T1322] ret_from_fork_asm+0x1a/0x30
[ 71.449958][ T1322]
[ 71.450344][ 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-build3741451562=/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 bde2d81c29
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=bde2d81c291a93fb9eb33717672427393206c208 -X 'github.com/google/syzkaller/prog.gitRevisionDate=20241015-165249'" "-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=\"bde2d81c291a93fb9eb33717672427393206c208\"
/usr/bin/ld: /tmp/cceeELr7.o: in function `test_cover_filter()':
executor.cc:(.text+0x1691b): warning: the use of `tempnam' is dangerous, better use `mkstemp'
/usr/bin/ld: /tmp/cceeELr7.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