syzkaller login: [ 26.033772][ T29] kauditd_printk_skb: 40 callbacks suppressed
[ 26.033796][ T29] audit: type=1400 audit(1736336752.527:73): avc: denied { read } for pid=2912 comm="dhcpcd-run-hook" name="resolv.conf" dev="tmpfs" ino=401 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1
[ 26.063318][ T29] audit: type=1400 audit(1736336752.527:74): avc: denied { open } for pid=2912 comm="dhcpcd-run-hook" path="/run/dhcpcd/hook-state/resolv.conf" dev="tmpfs" ino=401 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1
[ 27.616428][ T29] audit: type=1400 audit(1736336754.107:75): avc: denied { transition } for pid=2930 comm="sshd" path="/bin/sh" dev="sda1" ino=89 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 27.638560][ T29] audit: type=1400 audit(1736336754.107:76): avc: denied { noatsecure } for pid=2930 comm="sshd" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 27.658056][ T29] audit: type=1400 audit(1736336754.117:77): avc: denied { write } for pid=2930 comm="sh" path="pipe:[2314]" dev="pipefs" ino=2314 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1
[ 27.680267][ T29] audit: type=1400 audit(1736336754.117:78): avc: denied { rlimitinh } for pid=2930 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 27.699939][ T29] audit: type=1400 audit(1736336754.117:79): avc: denied { siginh } for pid=2930 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 32.446973][ T2931] sshd (2931) used greatest stack depth: 23568 bytes left
[ 35.397210][ T2935] sshd (2935) used greatest stack depth: 23056 bytes left
Warning: Permanently added '10.128.0.18' (ED25519) to the list of known hosts.
executing program
[ 41.613402][ T29] audit: type=1400 audit(1736336768.107:80): avc: denied { execmem } for pid=2946 comm="syz-executor398" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 41.633384][ T29] audit: type=1400 audit(1736336768.107:81): avc: denied { read write } for pid=2947 comm="syz-executor398" name="raw-gadget" dev="devtmpfs" ino=236 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1
[ 41.657252][ T29] audit: type=1400 audit(1736336768.107:82): avc: denied { open } for pid=2947 comm="syz-executor398" path="/dev/raw-gadget" dev="devtmpfs" ino=236 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1
[ 41.681095][ T29] audit: type=1400 audit(1736336768.117:83): avc: denied { ioctl } for pid=2947 comm="syz-executor398" path="/dev/raw-gadget" dev="devtmpfs" ino=236 ioctlcmd=0x5500 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1
[ 41.857799][ T922] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[ 42.017598][ T922] usb 1-1: Using ep0 maxpacket: 8
[ 42.025286][ T922] usb 1-1: config 0 has an invalid interface number: 192 but max is 3
[ 42.033615][ T922] usb 1-1: config 0 has an invalid interface descriptor of length 2, skipping
[ 42.042742][ T922] usb 1-1: config 0 has an invalid interface number: 251 but max is 3
[ 42.050978][ T922] usb 1-1: config 0 has an invalid interface number: 71 but max is 3
[ 42.059147][ T922] usb 1-1: config 0 contains an unexpected descriptor of type 0x1, skipping
[ 42.067913][ T922] usb 1-1: config 0 has an invalid interface number: 183 but max is 3
[ 42.076135][ T922] usb 1-1: config 0 has no interface number 0
[ 42.082307][ T922] usb 1-1: config 0 has no interface number 1
[ 42.088492][ T922] usb 1-1: config 0 has no interface number 2
[ 42.094604][ T922] usb 1-1: config 0 has no interface number 3
[ 42.101234][ T922] usb 1-1: config 0 interface 251 altsetting 7 endpoint 0x5 has invalid maxpacket 9228, setting to 1024
[ 42.112458][ T922] usb 1-1: config 0 interface 251 altsetting 7 has 3 endpoint descriptors, different from the interface descriptor's value: 2
[ 42.125600][ T922] usb 1-1: config 0 interface 71 altsetting 252 has an invalid descriptor for endpoint zero, skipping
[ 42.136644][ T922] usb 1-1: config 0 interface 251 has no altsetting 0
[ 42.143527][ T922] usb 1-1: config 0 interface 71 has no altsetting 0
[ 42.150305][ T922] usb 1-1: config 0 interface 183 has no altsetting 0
[ 42.159478][ T922] usb 1-1: New USB device found, idVendor=20d6, idProduct=82c4, bcdDevice=72.fa
[ 42.168583][ T922] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 42.176587][ T922] usb 1-1: Product: syz
[ 42.180909][ T922] usb 1-1: Manufacturer: syz
[ 42.185542][ T922] usb 1-1: SerialNumber: syz
[ 42.193628][ T922] usb 1-1: config 0 descriptor??
executing program
[ 42.428173][ T922] usb 1-1: Found UVC 0.00 device syz (20d6:82c4)
[ 42.434701][ T922] usb 1-1: No valid video chain found.
[ 42.440435][ T922] ------------[ cut here ]------------
[ 42.445923][ T922] DEBUG_LOCKS_WARN_ON(lock->magic != lock)
[ 42.445997][ T922] WARNING: CPU: 1 PID: 922 at kernel/locking/mutex.c:564 __mutex_lock+0x369/0xa60
[ 42.461250][ T922] Modules linked in:
[ 42.465183][ T922] CPU: 1 UID: 0 PID: 922 Comm: kworker/1:2 Not tainted 6.13.0-rc4-syzkaller-00080-gf1a2241778d9 #0
[ 42.476005][ T922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 42.486126][ T922] Workqueue: usb_hub_wq hub_event
[ 42.491203][ T922] RIP: 0010:__mutex_lock+0x369/0xa60
[ 42.496629][ T922] Code: d0 7c 08 84 d2 0f 85 6d 06 00 00 8b 0d 30 ce 63 03 85 c9 75 19 90 48 c7 c6 40 ea 27 87 48 c7 c7 a0 e8 27 87 e8 68 0f 2d fa 90 <0f> 0b 90 90 90 e9 f2 fd ff ff 4c 8d b5 60 ff ff ff 48 89 df 4c 89
[ 42.516313][ T922] RSP: 0018:ffffc90001a8eeb0 EFLAGS: 00010286
[ 42.522553][ T922] RAX: 0000000000000000 RBX: ffff888116638518 RCX: ffffffff811f67f9
[ 42.530643][ T922] RDX: ffff88810d3d57c0 RSI: ffffffff811f6806 RDI: 0000000000000001
[ 42.538711][ T922] RBP: ffffc90001a8eff0 R08: 0000000000000001 R09: 0000000000000000
[ 42.546710][ T922] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000
[ 42.554761][ T922] R13: 0000000000000002 R14: 0000000000000000 R15: ffffc90001a8ef30
[ 42.562829][ T922] FS: 0000000000000000(0000) GS:ffff8881f5900000(0000) knlGS:0000000000000000
[ 42.571936][ T922] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 42.578596][ T922] CR2: 00007ffe15bfd948 CR3: 0000000008ca0000 CR4: 00000000003506f0
[ 42.586601][ T922] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 42.594622][ T922] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 42.602650][ T922] Call Trace:
[ 42.605950][ T922]
[ 42.608983][ T922] ? __warn+0xea/0x3c0
[ 42.613118][ T922] ? __mutex_lock+0x369/0xa60
[ 42.618396][ T922] ? report_bug+0x3c0/0x580
[ 42.623046][ T922] ? handle_bug+0x54/0xa0
[ 42.627409][ T922] ? exc_invalid_op+0x17/0x50
[ 42.632340][ T922] ? asm_exc_invalid_op+0x1a/0x20
[ 42.637548][ T922] ? __warn_printk+0x199/0x350
[ 42.642445][ T922] ? __warn_printk+0x1a6/0x350
[ 42.647226][ T922] ? __mutex_lock+0x369/0xa60
[ 42.651985][ T922] ? __pfx_vsnprintf+0x10/0x10
[ 42.656810][ T922] ? uvc_status_unregister+0x21/0xe0
[ 42.662171][ T922] ? __pfx___mutex_lock+0x10/0x10
[ 42.667251][ T922] ? __dev_printk+0xf5/0x270
[ 42.671927][ T922] ? __pfx__dev_info+0x10/0x10
[ 42.676745][ T922] ? uvc_status_unregister+0x21/0xe0
[ 42.682090][ T922] uvc_status_unregister+0x21/0xe0
[ 42.687264][ T922] uvc_unregister_video+0x126/0x250
[ 42.692535][ T922] uvc_probe+0x2c08/0x4960
[ 42.697093][ T922] ? usb_probe_interface+0x6d3/0x9c0
[ 42.702451][ T922] ? _raw_spin_unlock_irqrestore+0x52/0x80
[ 42.708312][ T922] usb_probe_interface+0x300/0x9c0
[ 42.713452][ T922] ? __pfx_usb_probe_interface+0x10/0x10
[ 42.719161][ T922] really_probe+0x23e/0xa90
[ 42.723883][ T922] __driver_probe_device+0x1de/0x440
[ 42.729219][ T922] driver_probe_device+0x4c/0x1b0
[ 42.734285][ T922] __device_attach_driver+0x1df/0x310
[ 42.739720][ T922] ? __pfx___device_attach_driver+0x10/0x10
[ 42.745659][ T922] bus_for_each_drv+0x157/0x1e0
[ 42.750566][ T922] ? __pfx_bus_for_each_drv+0x10/0x10
[ 42.755971][ T922] ? lockdep_hardirqs_on+0x7c/0x110
[ 42.761237][ T922] ? _raw_spin_unlock_irqrestore+0x3b/0x80
[ 42.767081][ T922] __device_attach+0x1e8/0x4b0
[ 42.771925][ T922] ? __pfx___device_attach+0x10/0x10
[ 42.777468][ T922] ? do_raw_spin_unlock+0x172/0x230
[ 42.782705][ T922] bus_probe_device+0x17f/0x1c0
[ 42.787704][ T922] device_add+0x114b/0x1a70
[ 42.792264][ T922] ? __pfx_device_add+0x10/0x10
[ 42.797140][ T922] ? usb_create_ep_devs+0x1f7/0x2b0
[ 42.802398][ T922] ? create_intf_ep_devs.isra.0+0x195/0x200
[ 42.808359][ T922] usb_set_configuration+0x10cb/0x1c50
[ 42.813850][ T922] ? __pfx_usb_generic_driver_probe+0x10/0x10
[ 42.819963][ T922] usb_generic_driver_probe+0xb1/0x110
[ 42.825460][ T922] usb_probe_device+0xec/0x3e0
[ 42.830279][ T922] ? __pfx_usb_probe_device+0x10/0x10
[ 42.835692][ T922] really_probe+0x23e/0xa90
[ 42.840252][ T922] __driver_probe_device+0x1de/0x440
[ 42.845582][ T922] ? usb_driver_applicable+0x1c7/0x220
[ 42.851101][ T922] driver_probe_device+0x4c/0x1b0
[ 42.856187][ T922] __device_attach_driver+0x1df/0x310
[ 42.861628][ T922] ? __pfx___device_attach_driver+0x10/0x10
[ 42.867588][ T922] bus_for_each_drv+0x157/0x1e0
[ 42.872452][ T922] ? __pfx_bus_for_each_drv+0x10/0x10
[ 42.877868][ T922] ? lockdep_hardirqs_on+0x7c/0x110
[ 42.883110][ T922] ? _raw_spin_unlock_irqrestore+0x3b/0x80
[ 42.888989][ T922] __device_attach+0x1e8/0x4b0
[ 42.893804][ T922] ? __pfx___device_attach+0x10/0x10
[ 42.899152][ T922] ? do_raw_spin_unlock+0x172/0x230
[ 42.904423][ T922] bus_probe_device+0x17f/0x1c0
[ 42.909338][ T922] device_add+0x114b/0x1a70
[ 42.913909][ T922] ? __pfx_device_add+0x10/0x10
[ 42.918834][ T922] ? add_device_randomness+0xb8/0xf0
[ 42.924175][ T922] usb_new_device+0xd90/0x1a10
[ 42.929011][ T922] ? __pfx_usb_new_device+0x10/0x10
[ 42.934252][ T922] hub_event+0x2e58/0x4f40
[ 42.938739][ T922] ? __pfx_hub_event+0x10/0x10
[ 42.943549][ T922] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 42.949265][ T922] ? rcu_is_watching+0x12/0xc0
[ 42.954085][ T922] ? trace_lock_acquire+0x14e/0x1f0
[ 42.959336][ T922] ? process_one_work+0x921/0x1ba0
[ 42.964575][ T922] ? lock_acquire+0x2f/0xb0
[ 42.969136][ T922] ? process_one_work+0x921/0x1ba0
[ 42.974295][ T922] process_one_work+0x9c5/0x1ba0
[ 42.979294][ T922] ? __pfx_hcd_resume_work+0x10/0x10
[ 42.984624][ T922] ? __pfx_process_one_work+0x10/0x10
[ 42.990060][ T922] ? rcu_is_watching+0x12/0xc0
[ 42.994885][ T922] ? assign_work+0x1a0/0x250
[ 42.999530][ T922] worker_thread+0x6c8/0xf00
[ 43.004165][ T922] ? __kthread_parkme+0x148/0x220
[ 43.009252][ T922] ? __pfx_worker_thread+0x10/0x10
[ 43.014411][ T922] kthread+0x2c1/0x3a0
[ 43.018553][ T922] ? _raw_spin_unlock_irq+0x23/0x50
[ 43.023791][ T922] ? __pfx_kthread+0x10/0x10
[ 43.028535][ T922] ret_from_fork+0x45/0x80
[ 43.032994][ T922] ? __pfx_kthread+0x10/0x10
[ 43.037670][ T922] ret_from_fork_asm+0x1a/0x30
[ 43.042501][ T922]
[ 43.045538][ T922] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 43.052850][ T922] CPU: 1 UID: 0 PID: 922 Comm: kworker/1:2 Not tainted 6.13.0-rc4-syzkaller-00080-gf1a2241778d9 #0
[ 43.063563][ T922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 43.073725][ T922] Workqueue: usb_hub_wq hub_event
[ 43.078806][ T922] Call Trace:
[ 43.082091][ T922]
[ 43.085031][ T922] dump_stack_lvl+0x3d/0x1f0
[ 43.089650][ T922] panic+0x71d/0x800
[ 43.093565][ T922] ? __pfx_panic+0x10/0x10
[ 43.098022][ T922] ? show_trace_log_lvl+0x29d/0x3d0
[ 43.103248][ T922] ? check_panic_on_warn+0x1f/0xb0
[ 43.108379][ T922] ? __mutex_lock+0x369/0xa60
[ 43.113090][ T922] check_panic_on_warn+0xab/0xb0
[ 43.118051][ T922] __warn+0xf6/0x3c0
[ 43.122050][ T922] ? __mutex_lock+0x369/0xa60
[ 43.126781][ T922] report_bug+0x3c0/0x580
[ 43.131150][ T922] handle_bug+0x54/0xa0
[ 43.135354][ T922] exc_invalid_op+0x17/0x50
[ 43.139888][ T922] asm_exc_invalid_op+0x1a/0x20
[ 43.144766][ T922] RIP: 0010:__mutex_lock+0x369/0xa60
[ 43.150075][ T922] Code: d0 7c 08 84 d2 0f 85 6d 06 00 00 8b 0d 30 ce 63 03 85 c9 75 19 90 48 c7 c6 40 ea 27 87 48 c7 c7 a0 e8 27 87 e8 68 0f 2d fa 90 <0f> 0b 90 90 90 e9 f2 fd ff ff 4c 8d b5 60 ff ff ff 48 89 df 4c 89
[ 43.169721][ T922] RSP: 0018:ffffc90001a8eeb0 EFLAGS: 00010286
[ 43.175818][ T922] RAX: 0000000000000000 RBX: ffff888116638518 RCX: ffffffff811f67f9
[ 43.183799][ T922] RDX: ffff88810d3d57c0 RSI: ffffffff811f6806 RDI: 0000000000000001
[ 43.191792][ T922] RBP: ffffc90001a8eff0 R08: 0000000000000001 R09: 0000000000000000
[ 43.199791][ T922] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000
[ 43.207797][ T922] R13: 0000000000000002 R14: 0000000000000000 R15: ffffc90001a8ef30
[ 43.215789][ T922] ? __warn_printk+0x199/0x350
[ 43.220574][ T922] ? __warn_printk+0x1a6/0x350
[ 43.225363][ T922] ? __pfx_vsnprintf+0x10/0x10
[ 43.230145][ T922] ? uvc_status_unregister+0x21/0xe0
[ 43.235460][ T922] ? __pfx___mutex_lock+0x10/0x10
[ 43.240514][ T922] ? __dev_printk+0xf5/0x270
[ 43.245120][ T922] ? __pfx__dev_info+0x10/0x10
[ 43.249925][ T922] ? uvc_status_unregister+0x21/0xe0
[ 43.255288][ T922] uvc_status_unregister+0x21/0xe0
[ 43.260521][ T922] uvc_unregister_video+0x126/0x250
[ 43.265748][ T922] uvc_probe+0x2c08/0x4960
[ 43.270194][ T922] ? usb_probe_interface+0x6d3/0x9c0
[ 43.275504][ T922] ? _raw_spin_unlock_irqrestore+0x52/0x80
[ 43.281354][ T922] usb_probe_interface+0x300/0x9c0
[ 43.286486][ T922] ? __pfx_usb_probe_interface+0x10/0x10
[ 43.292139][ T922] really_probe+0x23e/0xa90
[ 43.296664][ T922] __driver_probe_device+0x1de/0x440
[ 43.302083][ T922] driver_probe_device+0x4c/0x1b0
[ 43.307144][ T922] __device_attach_driver+0x1df/0x310
[ 43.312554][ T922] ? __pfx___device_attach_driver+0x10/0x10
[ 43.318482][ T922] bus_for_each_drv+0x157/0x1e0
[ 43.323364][ T922] ? __pfx_bus_for_each_drv+0x10/0x10
[ 43.328754][ T922] ? lockdep_hardirqs_on+0x7c/0x110
[ 43.333995][ T922] ? _raw_spin_unlock_irqrestore+0x3b/0x80
[ 43.339817][ T922] __device_attach+0x1e8/0x4b0
[ 43.344603][ T922] ? __pfx___device_attach+0x10/0x10
[ 43.349907][ T922] ? do_raw_spin_unlock+0x172/0x230
[ 43.355143][ T922] bus_probe_device+0x17f/0x1c0
[ 43.360020][ T922] device_add+0x114b/0x1a70
[ 43.364647][ T922] ? __pfx_device_add+0x10/0x10
[ 43.369626][ T922] ? usb_create_ep_devs+0x1f7/0x2b0
[ 43.374881][ T922] ? create_intf_ep_devs.isra.0+0x195/0x200
[ 43.380794][ T922] usb_set_configuration+0x10cb/0x1c50
[ 43.386275][ T922] ? __pfx_usb_generic_driver_probe+0x10/0x10
[ 43.392375][ T922] usb_generic_driver_probe+0xb1/0x110
[ 43.397862][ T922] usb_probe_device+0xec/0x3e0
[ 43.402644][ T922] ? __pfx_usb_probe_device+0x10/0x10
[ 43.408033][ T922] really_probe+0x23e/0xa90
[ 43.412552][ T922] __driver_probe_device+0x1de/0x440
[ 43.417868][ T922] ? usb_driver_applicable+0x1c7/0x220
[ 43.423363][ T922] driver_probe_device+0x4c/0x1b0
[ 43.428424][ T922] __device_attach_driver+0x1df/0x310
[ 43.433815][ T922] ? __pfx___device_attach_driver+0x10/0x10
[ 43.439726][ T922] bus_for_each_drv+0x157/0x1e0
[ 43.444605][ T922] ? __pfx_bus_for_each_drv+0x10/0x10
[ 43.450018][ T922] ? lockdep_hardirqs_on+0x7c/0x110
[ 43.455255][ T922] ? _raw_spin_unlock_irqrestore+0x3b/0x80
[ 43.461096][ T922] __device_attach+0x1e8/0x4b0
[ 43.465887][ T922] ? __pfx___device_attach+0x10/0x10
[ 43.471193][ T922] ? do_raw_spin_unlock+0x172/0x230
[ 43.476434][ T922] bus_probe_device+0x17f/0x1c0
[ 43.481299][ T922] device_add+0x114b/0x1a70
[ 43.485824][ T922] ? __pfx_device_add+0x10/0x10
[ 43.490694][ T922] ? add_device_randomness+0xb8/0xf0
[ 43.496029][ T922] usb_new_device+0xd90/0x1a10
[ 43.500823][ T922] ? __pfx_usb_new_device+0x10/0x10
[ 43.506047][ T922] hub_event+0x2e58/0x4f40
[ 43.510498][ T922] ? __pfx_hub_event+0x10/0x10
[ 43.515329][ T922] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 43.521003][ T922] ? rcu_is_watching+0x12/0xc0
[ 43.525812][ T922] ? trace_lock_acquire+0x14e/0x1f0
[ 43.531027][ T922] ? process_one_work+0x921/0x1ba0
[ 43.536182][ T922] ? lock_acquire+0x2f/0xb0
[ 43.540706][ T922] ? process_one_work+0x921/0x1ba0
[ 43.545858][ T922] process_one_work+0x9c5/0x1ba0
[ 43.550832][ T922] ? __pfx_hcd_resume_work+0x10/0x10
[ 43.556148][ T922] ? __pfx_process_one_work+0x10/0x10
[ 43.561635][ T922] ? rcu_is_watching+0x12/0xc0
[ 43.566468][ T922] ? assign_work+0x1a0/0x250
[ 43.571100][ T922] worker_thread+0x6c8/0xf00
[ 43.576247][ T922] ? __kthread_parkme+0x148/0x220
[ 43.581309][ T922] ? __pfx_worker_thread+0x10/0x10
[ 43.586479][ T922] kthread+0x2c1/0x3a0
[ 43.590580][ T922] ? _raw_spin_unlock_irq+0x23/0x50
[ 43.595799][ T922] ? __pfx_kthread+0x10/0x10
[ 43.600421][ T922] ret_from_fork+0x45/0x80
[ 43.604878][ T922] ? __pfx_kthread+0x10/0x10
[ 43.609498][ T922] ret_from_fork_asm+0x1a/0x30
[ 43.614388][ T922]
[ 43.617705][ T922] Kernel Offset: disabled
[ 43.622060][ T922] Rebooting in 86400 seconds..