syzbot
panic: ptrace status unexpected: got NUM, wanted stopped (2)
Status:
moderation: reported on 2026/10/10 09:03
Reported-by: syzbot+83fcc80d2413d231d2a0@syzkaller.appspotmail.com
First crash: 26d, last: 26d
Sample crash report:
panic: ptrace status unexpected: got 11, wanted stopped
stubStart = 00007fd1573ac000
goroutine 312 gp=0x15e13fd54b40 m=17 mp=0x15e13fa5e008 [running]:
panic({0x18cd700?, 0x15e13f6b0b30?})
/syzkaller/.cache/bazel/_bazel_root/8c3527d6b90f1bcab77f0f2b1b1fec96/sandbox/linux-sandbox/14/execroot/_main/go/src/runtime/panic.go:879 +0x16f fp=0x15e1404974f8 sp=0x15e140497448 pc=0x48cecf
gvisor.dev/gvisor/pkg/sentry/platform/systrap.(*thread).dumpAndPanic(0x15e13f7701e0, {0x15e140120000?, 0x15e13f6466b0?})
/syzkaller/.cache/bazel/_bazel_root/8c3527d6b90f1bcab77f0f2b1b1fec96/sandbox/linux-sandbox/14/execroot/_main/gopath/src/gvisor.dev/gvisor/pkg/sentry/platform/systrap/subprocess.go:651 +0x234 fp=0x15e140497648 sp=0x15e1404974f8 pc=0x15a0134
gvisor.dev/gvisor/pkg/sentry/platform/systrap.(*thread).wait(0x15e13f7701e0, 0x0)
/syzkaller/.cache/bazel/_bazel_root/8c3527d6b90f1bcab77f0f2b1b1fec96/sandbox/linux-sandbox/14/execroot/_main/gopath/src/gvisor.dev/gvisor/pkg/sentry/platform/systrap/subprocess.go:702 +0x178 fp=0x15e1404976d0 sp=0x15e140497648 pc=0x15a0678
gvisor.dev/gvisor/pkg/sentry/platform/systrap.(*thread).syscall(0x15e13f7701e0, 0x15e140497840)
/syzkaller/.cache/bazel/_bazel_root/8c3527d6b90f1bcab77f0f2b1b1fec96/sandbox/linux-sandbox/14/execroot/_main/gopath/src/gvisor.dev/gvisor/pkg/sentry/platform/systrap/subprocess.go:781 +0x85 fp=0x15e140497738 sp=0x15e1404976d0 pc=0x15a0b05
gvisor.dev/gvisor/pkg/sentry/platform/systrap.(*thread).syscallIgnoreInterrupt(0x15e13f7701e0, 0x15e13f7701f0, 0x9, {0x15e140497970, 0x6, 0x6})
/syzkaller/.cache/bazel/_bazel_root/8c3527d6b90f1bcab77f0f2b1b1fec96/sandbox/linux-sandbox/14/execroot/_main/gopath/src/gvisor.dev/gvisor/pkg/sentry/platform/systrap/subprocess.go:809 +0xf6 fp=0x15e140497938 sp=0x15e140497738 pc=0x15a0ed6
gvisor.dev/gvisor/pkg/sentry/platform/systrap.(*sysmsgThread).mapStack(0x15e13ff7a300, 0x7fd1576cc000, 0x0)
/syzkaller/.cache/bazel/_bazel_root/8c3527d6b90f1bcab77f0f2b1b1fec96/sandbox/linux-sandbox/14/execroot/_main/gopath/src/gvisor.dev/gvisor/pkg/sentry/platform/systrap/sysmsg_thread.go:68 +0x145 fp=0x15e1404979b0 sp=0x15e140497938 pc=0x15a90c5
gvisor.dev/gvisor/pkg/sentry/platform/systrap.(*subprocess).createSysmsgThreadLocked(0x15e1406fe400)
/syzkaller/.cache/bazel/_bazel_root/8c3527d6b90f1bcab77f0f2b1b1fec96/sandbox/linux-sandbox/14/execroot/_main/gopath/src/gvisor.dev/gvisor/pkg/sentry/platform/systrap/subprocess.go:1196 +0x3a9 fp=0x15e140497c10 sp=0x15e1404979b0 pc=0x15a2f69
gvisor.dev/gvisor/pkg/sentry/platform/systrap.(*subprocess).createSysmsgThreadLocked-fm()
<autogenerated>:1 +0x17 fp=0x15e140497c28 sp=0x15e140497c10 pc=0x15ad597
gvisor.dev/gvisor/pkg/sentry/platform/systrap.(*subprocess).withAliveRLock(0x230f7db62ef56e?, 0x15e13f646cb8?)
/syzkaller/.cache/bazel/_bazel_root/8c3527d6b90f1bcab77f0f2b1b1fec96/sandbox/linux-sandbox/14/execroot/_main/gopath/src/gvisor.dev/gvisor/pkg/sentry/platform/systrap/subprocess.go:539 +0x1de fp=0x15e140497c80 sp=0x15e140497c28 pc=0x159f35e
gvisor.dev/gvisor/pkg/sentry/platform/systrap.(*subprocess).createSysmsgThread(...)
/syzkaller/.cache/bazel/_bazel_root/8c3527d6b90f1bcab77f0f2b1b1fec96/sandbox/linux-sandbox/14/execroot/_main/gopath/src/gvisor.dev/gvisor/pkg/sentry/platform/systrap/subprocess.go:1122
gvisor.dev/gvisor/pkg/sentry/platform/systrap.(*subprocess).kickSysmsgThread(0x15e1406fe400)
/syzkaller/.cache/bazel/_bazel_root/8c3527d6b90f1bcab77f0f2b1b1fec96/sandbox/linux-sandbox/14/execroot/_main/gopath/src/gvisor.dev/gvisor/pkg/sentry/platform/systrap/subprocess.go:1032 +0x2b4 fp=0x15e140497cf8 sp=0x15e140497c80 pc=0x15a2274
gvisor.dev/gvisor/pkg/sentry/platform/systrap.(*subprocess).waitOnState(0x15e1406fe400, 0x15e13fc9f1a0)
/syzkaller/.cache/bazel/_bazel_root/8c3527d6b90f1bcab77f0f2b1b1fec96/sandbox/linux-sandbox/14/execroot/_main/gopath/src/gvisor.dev/gvisor/pkg/sentry/platform/systrap/subprocess.go:956 +0x171 fp=0x15e140497d20 sp=0x15e140497cf8 pc=0x15a1ed1
gvisor.dev/gvisor/pkg/sentry/platform/systrap.(*subprocess).switchToApp(0x15e1406fe400?, 0x15e140b74420, 0x0?)
/syzkaller/.cache/bazel/_bazel_root/8c3527d6b90f1bcab77f0f2b1b1fec96/sandbox/linux-sandbox/14/execroot/_main/gopath/src/gvisor.dev/gvisor/pkg/sentry/platform/systrap/subprocess.go:881 +0x3b8 fp=0x15e140497de0 sp=0x15e140497d20 pc=0x15a13f8
gvisor.dev/gvisor/pkg/sentry/platform/systrap.(*platformContext).Switch(0x15e140b74420, {0x1c1b820, 0x15e13fd66588}, {0x1c14060, 0x15e13f929008}, 0x15e13fcc4ff0, 0x3fd54b40?)
/syzkaller/.cache/bazel/_bazel_root/8c3527d6b90f1bcab77f0f2b1b1fec96/sandbox/linux-sandbox/14/execroot/_main/gopath/src/gvisor.dev/gvisor/pkg/sentry/platform/systrap/systrap.go:188 +0x15a fp=0x15e140497e48 sp=0x15e140497de0 pc=0x15aa7da
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x15e13fc08990?, 0x15e13fd66588)
/syzkaller/.cache/bazel/_bazel_root/8c3527d6b90f1bcab77f0f2b1b1fec96/sandbox/linux-sandbox/14/execroot/_main/gopath/src/gvisor.dev/gvisor/pkg/sentry/kernel/task_run.go:241 +0x10a7 fp=0x15e140497f30 sp=0x15e140497e48 pc=0xec0747
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0x15e13fd66588, 0xa)
/syzkaller/.cache/bazel/_bazel_root/8c3527d6b90f1bcab77f0f2b1b1fec96/sandbox/linux-sandbox/14/execroot/_main/gopath/src/gvisor.dev/gvisor/pkg/sentry/kernel/task_run.go:89 +0x3de fp=0x15e140497fc0 sp=0x15e140497f30 pc=0xebefbe
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
/syzkaller/.cache/bazel/_bazel_root/8c3527d6b90f1bcab77f0f2b1b1fec96/sandbox/linux-sandbox/14/execroot/_main/gopath/src/gvisor.dev/gvisor/pkg/sentry/kernel/task_start.go:579 +0x1b fp=0x15e140497fe0 sp=0x15e140497fc0 pc=0xed483b
runtime.goexit({})
/syzkaller/.cache/bazel/_bazel_root/8c3527d6b90f1bcab77f0f2b1b1fec96/sandbox/linux-sandbox/14/execroot/_main/go/src/runtime/asm_amd64.s:1771 +0x1 fp=0x15e140497fe8 sp=0x15e140497fe0 pc=0x495b81
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 292
/syzkaller/.cache/bazel/_bazel_root/8c3527d6b90f1bcab77f0f2b1b1fec96/sandbox/linux-sandbox/14/execroot/_main/gopath/src/gvisor.dev/gvisor/pkg/sentry/kernel/task_start.go:579 +0x110
* Struck through repros no longer work on HEAD.