syzbot

 sign-in | mailing list | source | docs
🐞 Open [1673]
≡ Subsystems
🐞 Fixed [6088]
🐞 Invalid [15155]
⬇ Missing Backports [162]
≡ Crashes
Kernel Health Bugs/Month Bug Lifetimes Fuzzing
Total Repo Heatmap Subsystems Heatmap
💬 Send us feedback

panic: runtime error: invalid memory address or nil pointer dereference (6)

Status: closed as invalid on 2025/02/12 17:32
First crash: 74d, last: 64d
▶ ▼ Similar bugs (12)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 panic: runtime error: invalid memory address or nil pointer dereference (2) 2 1771d 1817d 0/1 auto-closed as invalid on 2020/09/04 07:47
android-54 panic: runtime error: invalid memory address or nil pointer dereference 233 1403d 1403d 0/2 closed as invalid on 2021/05/10 12:09
upstream panic: runtime error: invalid memory address or nil pointer dereference (3) 127 1403d 1403d 0/28 closed as invalid on 2021/05/10 12:38
linux-4.14 panic: runtime error: invalid memory address or nil pointer dereference (3) 219 1403d 1403d 0/1 closed as invalid on 2021/05/10 12:09
linux-4.19 panic: runtime error: invalid memory address or nil pointer dereference (2) 1 1664d 1664d 0/1 auto-closed as invalid on 2020/12/20 16:18
upstream panic: runtime error: invalid memory address or nil pointer dereference (2) 1894 1403d 1403d 0/28 closed as invalid on 2021/05/10 12:18
upstream panic: runtime error: invalid memory address or nil pointer dereference (5) 1 512d 508d 0/28 auto-obsoleted due to no activity on 2024/01/16 09:30
upstream panic: runtime error: invalid memory address or nil pointer dereference 1 1836d 1836d 0/28 auto-closed as invalid on 2020/06/01 17:49
linux-4.14 panic: runtime error: invalid memory address or nil pointer dereference 1 1942d 1942d 0/1 auto-closed as invalid on 2020/03/17 06:44
linux-4.19 panic: runtime error: invalid memory address or nil pointer dereference (3) 219 1325d 1413d 0/1 auto-closed as invalid on 2021/10/25 16:30
linux-4.19 panic: runtime error: invalid memory address or nil pointer dereference 1 1804d 1804d 0/1 auto-closed as invalid on 2020/08/02 09:10
upstream panic: runtime error: invalid memory address or nil pointer dereference (4) 1 630d 626d 0/28 auto-obsoleted due to no activity on 2023/09/20 17:18
▶ ▼ Last patch testing requests (7)
Created Duration User Patch Repo Result
2025/01/22 07:31 45m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes OK log
2025/01/22 07:31 43m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes OK log
2025/01/22 00:18 2h05m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes log
2025/01/22 00:18 1h25m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes OK log
2025/01/22 00:18 1h21m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes OK log
2025/01/22 00:18 1h22m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes OK log
2025/01/22 00:18 54m retest repro git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes OK log

Sample crash report:
panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x56e068]

goroutine 25 [running]:
github.com/google/syzkaller/prog.(*Prog).serialize(0x0, 0x0)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/encoding.go:40 +0x80
github.com/google/syzkaller/prog.(*Prog).Serialize(...)
	/syzkaller/gopath/src/github.com/google/syzkaller/prog/encoding.go:30
github.com/google/syzkaller/pkg/rpcserver.(*Runner).handleExecResult(0xc0000c4fc0, 0xc0012c7900)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/runner.go:439 +0x17c
github.com/google/syzkaller/pkg/rpcserver.(*Runner).ConnectionLoop(0xc0000c4fc0)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/runner.go:203 +0x320
github.com/google/syzkaller/pkg/rpcserver.(*server).connectionLoop(0xc001beae00, 0xc0000c4fc0)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/rpcserver.go:356 +0xdc
github.com/google/syzkaller/pkg/rpcserver.(*server).handleRunnerConn(0xc001beae00, 0xc0000c4fc0, 0xc00134c230)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/rpcserver.go:294 +0x360
github.com/google/syzkaller/pkg/rpcserver.(*server).handleConn(0xc001beae00, 0xc00134c230)
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/rpcserver/rpcserver.go:261 +0x254
github.com/google/syzkaller/pkg/flatrpc.ListenAndServe.func1.1()
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/flatrpc/conn.go:55 +0x128
created by github.com/google/syzkaller/pkg/flatrpc.ListenAndServe.func1 in goroutine 21
	/syzkaller/gopath/src/github.com/google/syzkaller/pkg/flatrpc/conn.go:52 +0xb0

Crashes (7):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2025/01/02 21:05 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 21f1b85c8912 d3ccff63 .config console log report syz / log [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 panic: runtime error: invalid memory address or nil pointer dereference
2025/01/08 00:18 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 21f1b85c8912 f3558dbf .config console log report syz / log [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 panic: runtime error: invalid memory address or nil pointer dereference
2025/01/07 08:28 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 21f1b85c8912 f3558dbf .config console log report syz / log [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 panic: runtime error: invalid memory address or nil pointer dereference
2025/01/06 00:18 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 21f1b85c8912 f3558dbf .config console log report syz / log [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 panic: runtime error: invalid memory address or nil pointer dereference
2024/12/30 01:22 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 21f1b85c8912 d3ccff63 .config console log report syz / log [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 panic: runtime error: invalid memory address or nil pointer dereference
2024/12/29 18:15 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 21f1b85c8912 d3ccff63 .config console log report syz / log [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 panic: runtime error: invalid memory address or nil pointer dereference
2024/12/28 21:34 git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux.git fixes 21f1b85c8912 d3ccff63 .config console log report syz / log [disk image (non-bootable)] [vmlinux] [kernel image] ci-qemu2-riscv64 panic: runtime error: invalid memory address or nil pointer dereference
* Struck through repros no longer work on HEAD.