Hello, syzbot found the following issue on: HEAD commit: b6fc3fddade7 Add linux-next specific files for 20221108 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=10b69576880000 kernel config: https://syzkaller.appspot.com/x/.config?x=c01b9a44770695e7 dashboard link: https://syzkaller.appspot.com/bug?extid=25aae26fb74bd5909706 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/15edfbb79353/disk-b6fc3fdd.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/13c2669d9d08/vmlinux-b6fc3fdd.xz kernel image: https://storage.googleapis.com/syzbot-assets/9d6adc8ab98a/bzImage-b6fc3fdd.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+25aae26fb74bd5909706@xxxxxxxxxxxxxxxxxxxxxxxxx ntfs3: Read-only LZX/Xpress compression included efs: 1.0a - http://aeschi.ch.eu.org/efs/ jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. romfs: ROMFS MTD (C) 2007 Red Hat, Inc. QNX4 filesystem 0.2.3 registered. qnx6: QNX6 filesystem 1.0.0 registered. fuse: init (API version 7.38) orangefs_debugfs_init: called with debug mask: :none: :0: orangefs_init: module version upstream loaded JFS: nTxBlock = 8192, nTxLock = 65536 SGI XFS with ACLs, security attributes, realtime, quota, fatal assert, debug enabled 9p: Installing v9fs 9p2000 file system support NILFS version 2 loaded befs: version: 0.9.3 ocfs2: Registered cluster interface o2cb ocfs2: Registered cluster interface user OCFS2 User DLM kernel interface loaded gfs2: GFS2 installed ceph: loaded (mds proto 32) NET: Registered PF_ALG protocol family xor: automatically using best checksumming function avx async_tx: api initialized (async) Key type asymmetric registered Asymmetric key parser 'x509' registered Asymmetric key parser 'pkcs8' registered Key type pkcs7_test registered alg: self-tests for CTR-KDF (hmac(sha256)) passed Block layer SCSI generic (bsg) driver version 0.4 loaded (major 240) io scheduler mq-deadline registered io scheduler kyber registered io scheduler bfq registered input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 ACPI: button: Power Button [PWRF] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 ACPI: button: Sleep Button [SLPF] ACPI: \_SB_.LNKC: Enabled at IRQ 11 virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver ACPI: \_SB_.LNKD: Enabled at IRQ 10 virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver ACPI: \_SB_.LNKB: Enabled at IRQ 10 virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver N_HDLC line discipline registered with maxframe=4096 Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A Non-volatile memory driver v1.3 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 1 at kernel/kthread.c:75 to_kthread kernel/kthread.c:75 [inline] WARNING: CPU: 0 PID: 1 at kernel/kthread.c:75 kthread_should_stop+0xaf/0xd0 kernel/kthread.c:157 Modules linked in: CPU: 0 PID: 1 Comm: swapper/0 Not tainted 6.1.0-rc4-next-20221108-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:to_kthread kernel/kthread.c:75 [inline] RIP: 0010:kthread_should_stop+0xaf/0xd0 kernel/kthread.c:157 Code: 79 00 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 75 1c 48 8b 03 5b 5d 48 d1 e8 83 e0 01 c3 e8 51 c4 2c 00 <0f> 0b eb 9d e8 18 9c 79 00 eb 80 48 89 df e8 1e 9c 79 00 eb da e8 RSP: 0000:ffffc90000067af0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888140168000 RCX: 0000000000000000 RDX: ffff888140168000 RSI: ffffffff815016df RDI: 0000000000000005 RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 00000000000000fa R14: ffff8881455f2e00 R15: 0000000000000020 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffff88823ffff000 CR3: 000000000bc8e000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> add_hwgenerator_randomness+0x5a/0x170 drivers/char/random.c:907 add_early_randomness+0x104/0x1d0 drivers/char/hw_random/core.c:74 hwrng_register+0x3b6/0x530 drivers/char/hw_random/core.c:587 virtrng_scan+0x37/0x90 drivers/char/hw_random/virtio-rng.c:207 virtio_dev_probe+0x639/0x870 drivers/virtio/virtio.c:314 call_driver_probe drivers/base/dd.c:560 [inline] really_probe+0x249/0xb90 drivers/base/dd.c:639 __driver_probe_device+0x1df/0x4d0 drivers/base/dd.c:778 driver_probe_device+0x4c/0x1a0 drivers/base/dd.c:808 __driver_attach+0x1d0/0x550 drivers/base/dd.c:1190 bus_for_each_dev+0x147/0x1d0 drivers/base/bus.c:301 bus_add_driver+0x4c9/0x640 drivers/base/bus.c:618 driver_register+0x220/0x3a0 drivers/base/driver.c:246 do_one_initcall+0x13d/0x780 init/main.c:1306 do_initcall_level init/main.c:1379 [inline] do_initcalls init/main.c:1395 [inline] do_basic_setup init/main.c:1414 [inline] kernel_init_freeable+0x6f9/0x782 init/main.c:1634 kernel_init+0x1a/0x1d0 init/main.c:1522 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 </TASK> --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
