syzkaller login: [ 25.418914][ T30] kauditd_printk_skb: 30 callbacks suppressed
[ 25.418937][ T30] audit: type=1400 audit(1742030517.101:73): avc: denied { read } for pid=2909 comm="dhcpcd-run-hook" name="resolv.conf" dev="tmpfs" ino=402 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1
[ 25.448347][ T30] audit: type=1400 audit(1742030517.101:74): avc: denied { open } for pid=2909 comm="dhcpcd-run-hook" path="/run/dhcpcd/hook-state/resolv.conf" dev="tmpfs" ino=402 scontext=system_u:system_r:dhcpc_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1
[ 26.528177][ T30] audit: type=1400 audit(1742030518.211:75): avc: denied { transition } for pid=2927 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
[ 26.550528][ T30] audit: type=1400 audit(1742030518.211:76): avc: denied { noatsecure } for pid=2927 comm="sshd" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 26.569650][ T30] audit: type=1400 audit(1742030518.221:77): avc: denied { write } for pid=2927 comm="sh" path="pipe:[2346]" dev="pipefs" ino=2346 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1
[ 26.591826][ T30] audit: type=1400 audit(1742030518.221:78): avc: denied { rlimitinh } for pid=2927 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 26.610656][ T30] audit: type=1400 audit(1742030518.221:79): avc: denied { siginh } for pid=2927 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 30.749895][ T2928] sshd (2928) used greatest stack depth: 24096 bytes left
Warning: Permanently added '10.128.1.141' (ED25519) to the list of known hosts.
executing program
[ 39.732059][ T30] audit: type=1400 audit(1742030531.411:80): avc: denied { execmem } for pid=2943 comm="syz-executor341" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[ 39.753838][ T30] audit: type=1400 audit(1742030531.421:81): avc: denied { read write } for pid=2944 comm="syz-executor341" 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
[ 39.777734][ T30] audit: type=1400 audit(1742030531.421:82): avc: denied { open } for pid=2944 comm="syz-executor341" 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
[ 39.801422][ T30] audit: type=1400 audit(1742030531.421:83): avc: denied { ioctl } for pid=2944 comm="syz-executor341" 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
[ 39.985900][ T25] usb 1-1: new high-speed USB device number 2 using dummy_hcd
[ 40.135714][ T25] usb 1-1: Using ep0 maxpacket: 8
[ 40.142700][ T25] usb 1-1: config 0 has an invalid interface number: 31 but max is 0
[ 40.150941][ T25] usb 1-1: config 0 has no interface number 0
[ 40.158990][ T25] usb 1-1: New USB device found, idVendor=046d, idProduct=08c3, bcdDevice=6b.16
[ 40.168119][ T25] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 40.176152][ T25] usb 1-1: Product: syz
[ 40.180314][ T25] usb 1-1: Manufacturer: syz
[ 40.184908][ T25] usb 1-1: SerialNumber: syz
[ 40.192606][ T25] usb 1-1: config 0 descriptor??
executing program
[ 40.404513][ T25] usb 1-1: Found UVC 0.00 device syz (046d:08c3)
[ 40.413647][ T25] usb 1-1: No streaming interface found for terminal 6.
[ 40.428126][ T25] ------------[ cut here ]------------
[ 40.433610][ T25] WARNING: CPU: 1 PID: 25 at drivers/media/mc/mc-entity.c:1144 media_create_pad_link+0x5c1/0x760
[ 40.444725][ T25] Modules linked in:
[ 40.448706][ T25] CPU: 1 UID: 0 PID: 25 Comm: kworker/1:0 Not tainted 6.14.0-rc6-syzkaller-g3a85c1011540 #0
[ 40.458866][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 40.468991][ T25] Workqueue: usb_hub_wq hub_event
[ 40.474101][ T25] RIP: 0010:media_create_pad_link+0x5c1/0x760
[ 40.480251][ T25] Code: d8 48 83 c4 28 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc e8 70 7e 65 fc 90 0f 0b 90 bb ea ff ff ff eb d6 e8 60 7e 65 fc 90 <0f> 0b 90 eb ee e8 55 7e 65 fc 90 0f 0b 90 eb e3 e8 4a 7e 65 fc 90
[ 40.499956][ T25] RSP: 0018:ffffc900001aef18 EFLAGS: 00010293
[ 40.506072][ T25] RAX: 0000000000000000 RBX: ffff888118fa0880 RCX: ffffffff8515cf70
[ 40.514077][ T25] RDX: ffff888102689d40 RSI: ffffffff8515d490 RDI: 0000000000000002
[ 40.522111][ T25] RBP: ffff888121e9f880 R08: 0000000000000002 R09: 0000000000000000
[ 40.530136][ T25] R10: 0000000000000000 R11: ffffffff8ee92ad0 R12: 0000000000000000
[ 40.538160][ T25] R13: 0000000000000000 R14: 0000000000000003 R15: 0000000000000000
[ 40.546209][ T25] FS: 0000000000000000(0000) GS:ffff8881f5900000(0000) knlGS:0000000000000000
[ 40.555186][ T25] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 40.561826][ T25] CR2: 00007ffec100cca8 CR3: 0000000122e30000 CR4: 00000000003506f0
[ 40.569856][ T25] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 40.577882][ T25] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 40.585901][ T25] Call Trace:
[ 40.589187][ T25]
[ 40.592126][ T25] ? __warn+0xea/0x3c0
[ 40.596251][ T25] ? media_create_pad_link+0x5c1/0x760
[ 40.601771][ T25] ? report_bug+0x3c0/0x580
[ 40.606360][ T25] ? handle_bug+0x54/0xa0
[ 40.610730][ T25] ? exc_invalid_op+0x17/0x50
[ 40.615433][ T25] ? asm_exc_invalid_op+0x1a/0x20
[ 40.620537][ T25] ? media_create_pad_link+0xa0/0x760
[ 40.625978][ T25] ? media_create_pad_link+0x5c0/0x760
[ 40.631457][ T25] ? media_create_pad_link+0x5c1/0x760
[ 40.636999][ T25] ? media_create_pad_link+0x5c0/0x760
[ 40.642513][ T25] ? v4l_enum_fmt+0x5a60/0x8330
[ 40.647435][ T25] uvc_mc_register_entities+0x3a8/0xaa0
[ 40.653046][ T25] ? uvc_probe+0x2607/0x4810
[ 40.657700][ T25] uvc_probe+0x2859/0x4810
[ 40.662190][ T25] ? _raw_spin_unlock_irqrestore+0x52/0x80
[ 40.668166][ T25] usb_probe_interface+0x300/0x9c0
[ 40.673355][ T25] ? __pfx_usb_probe_interface+0x10/0x10
[ 40.679061][ T25] really_probe+0x23e/0xa90
[ 40.683601][ T25] __driver_probe_device+0x1de/0x440
[ 40.688973][ T25] driver_probe_device+0x4c/0x1b0
[ 40.694049][ T25] __device_attach_driver+0x1df/0x310
[ 40.699482][ T25] ? __pfx___device_attach_driver+0x10/0x10
[ 40.705418][ T25] bus_for_each_drv+0x157/0x1e0
[ 40.710337][ T25] ? __pfx_bus_for_each_drv+0x10/0x10
[ 40.716117][ T25] ? lockdep_hardirqs_on+0x7c/0x110
[ 40.721366][ T25] ? _raw_spin_unlock_irqrestore+0x3b/0x80
[ 40.727242][ T25] __device_attach+0x1e8/0x4b0
[ 40.732044][ T25] ? __pfx___device_attach+0x10/0x10
[ 40.737393][ T25] ? do_raw_spin_unlock+0x172/0x230
[ 40.742673][ T25] bus_probe_device+0x17f/0x1c0
[ 40.747608][ T25] device_add+0x114b/0x1a70
[ 40.752164][ T25] ? __pfx_device_add+0x10/0x10
[ 40.757071][ T25] ? mark_held_locks+0x9f/0xe0
[ 40.761888][ T25] usb_set_configuration+0x10cb/0x1c50
[ 40.767456][ T25] ? __pfx_usb_generic_driver_probe+0x10/0x10
[ 40.773569][ T25] usb_generic_driver_probe+0xb1/0x110
[ 40.779086][ T25] usb_probe_device+0xec/0x3e0
[ 40.783901][ T25] ? __pfx_usb_probe_device+0x10/0x10
[ 40.789333][ T25] really_probe+0x23e/0xa90
[ 40.793888][ T25] __driver_probe_device+0x1de/0x440
[ 40.799244][ T25] ? usb_driver_applicable+0x1c7/0x220
[ 40.804754][ T25] driver_probe_device+0x4c/0x1b0
[ 40.809834][ T25] __device_attach_driver+0x1df/0x310
[ 40.815250][ T25] ? __pfx___device_attach_driver+0x10/0x10
[ 40.821200][ T25] bus_for_each_drv+0x157/0x1e0
[ 40.826129][ T25] ? __pfx_bus_for_each_drv+0x10/0x10
[ 40.831527][ T25] ? lockdep_hardirqs_on+0x7c/0x110
[ 40.836778][ T25] ? _raw_spin_unlock_irqrestore+0x3b/0x80
[ 40.842629][ T25] __device_attach+0x1e8/0x4b0
[ 40.847435][ T25] ? __pfx___device_attach+0x10/0x10
[ 40.852753][ T25] ? do_raw_spin_unlock+0x172/0x230
[ 40.858034][ T25] bus_probe_device+0x17f/0x1c0
[ 40.862940][ T25] device_add+0x114b/0x1a70
[ 40.867507][ T25] ? __pfx_device_add+0x10/0x10
[ 40.872417][ T25] ? add_device_randomness+0xb8/0xf0
[ 40.877797][ T25] usb_new_device+0xd09/0x1a20
[ 40.882618][ T25] ? __pfx_usb_new_device+0x10/0x10
[ 40.887887][ T25] hub_event+0x2e58/0x4f40
[ 40.892380][ T25] ? __pfx_hub_event+0x10/0x10
[ 40.897217][ T25] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 40.902891][ T25] ? rcu_is_watching+0x12/0xc0
[ 40.907717][ T25] ? trace_lock_acquire+0x14e/0x1f0
[ 40.912986][ T25] ? process_one_work+0x921/0x1ba0
[ 40.918191][ T25] ? lock_acquire+0x2f/0xb0
[ 40.922731][ T25] ? process_one_work+0x921/0x1ba0
[ 40.927920][ T25] process_one_work+0x9c5/0x1ba0
[ 40.932930][ T25] ? __pfx_hcd_resume_work+0x10/0x10
[ 40.938347][ T25] ? __pfx_process_one_work+0x10/0x10
[ 40.943812][ T25] ? assign_work+0x1a0/0x250
[ 40.948489][ T25] worker_thread+0x6c8/0xf00
[ 40.953136][ T25] ? __pfx_worker_thread+0x10/0x10
[ 40.958360][ T25] kthread+0x3af/0x750
[ 40.962506][ T25] ? __pfx_kthread+0x10/0x10
[ 40.967189][ T25] ? lock_acquire+0x2f/0xb0
[ 40.971739][ T25] ? __pfx_kthread+0x10/0x10
[ 40.976427][ T25] ret_from_fork+0x45/0x80
[ 40.980906][ T25] ? __pfx_kthread+0x10/0x10
[ 40.985525][ T25] ret_from_fork_asm+0x1a/0x30
[ 40.990377][ T25]
[ 40.993428][ T25] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 41.000711][ T25] CPU: 1 UID: 0 PID: 25 Comm: kworker/1:0 Not tainted 6.14.0-rc6-syzkaller-g3a85c1011540 #0
[ 41.010786][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[ 41.020852][ T25] Workqueue: usb_hub_wq hub_event
[ 41.025906][ T25] Call Trace:
[ 41.029190][ T25]
[ 41.032126][ T25] dump_stack_lvl+0x3d/0x1f0
[ 41.036732][ T25] panic+0x71d/0x800
[ 41.040649][ T25] ? __pfx_panic+0x10/0x10
[ 41.045089][ T25] ? show_trace_log_lvl+0x29d/0x3d0
[ 41.050322][ T25] ? check_panic_on_warn+0x1f/0xb0
[ 41.055461][ T25] ? media_create_pad_link+0x5c1/0x760
[ 41.060948][ T25] check_panic_on_warn+0xab/0xb0
[ 41.065912][ T25] __warn+0xf6/0x3c0
[ 41.069844][ T25] ? media_create_pad_link+0x5c1/0x760
[ 41.075335][ T25] report_bug+0x3c0/0x580
[ 41.079705][ T25] handle_bug+0x54/0xa0
[ 41.083876][ T25] exc_invalid_op+0x17/0x50
[ 41.088402][ T25] asm_exc_invalid_op+0x1a/0x20
[ 41.093275][ T25] RIP: 0010:media_create_pad_link+0x5c1/0x760
[ 41.099375][ T25] Code: d8 48 83 c4 28 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc e8 70 7e 65 fc 90 0f 0b 90 bb ea ff ff ff eb d6 e8 60 7e 65 fc 90 <0f> 0b 90 eb ee e8 55 7e 65 fc 90 0f 0b 90 eb e3 e8 4a 7e 65 fc 90
[ 41.119015][ T25] RSP: 0018:ffffc900001aef18 EFLAGS: 00010293
[ 41.125127][ T25] RAX: 0000000000000000 RBX: ffff888118fa0880 RCX: ffffffff8515cf70
[ 41.133117][ T25] RDX: ffff888102689d40 RSI: ffffffff8515d490 RDI: 0000000000000002
[ 41.141106][ T25] RBP: ffff888121e9f880 R08: 0000000000000002 R09: 0000000000000000
[ 41.149092][ T25] R10: 0000000000000000 R11: ffffffff8ee92ad0 R12: 0000000000000000
[ 41.157074][ T25] R13: 0000000000000000 R14: 0000000000000003 R15: 0000000000000000
[ 41.165083][ T25] ? media_create_pad_link+0xa0/0x760
[ 41.170496][ T25] ? media_create_pad_link+0x5c0/0x760
[ 41.175986][ T25] ? media_create_pad_link+0x5c0/0x760
[ 41.181468][ T25] ? v4l_enum_fmt+0x5a60/0x8330
[ 41.186334][ T25] uvc_mc_register_entities+0x3a8/0xaa0
[ 41.191908][ T25] ? uvc_probe+0x2607/0x4810
[ 41.196520][ T25] uvc_probe+0x2859/0x4810
[ 41.200978][ T25] ? _raw_spin_unlock_irqrestore+0x52/0x80
[ 41.206827][ T25] usb_probe_interface+0x300/0x9c0
[ 41.212320][ T25] ? __pfx_usb_probe_interface+0x10/0x10
[ 41.217986][ T25] really_probe+0x23e/0xa90
[ 41.222515][ T25] __driver_probe_device+0x1de/0x440
[ 41.227817][ T25] driver_probe_device+0x4c/0x1b0
[ 41.232864][ T25] __device_attach_driver+0x1df/0x310
[ 41.238263][ T25] ? __pfx___device_attach_driver+0x10/0x10
[ 41.244173][ T25] bus_for_each_drv+0x157/0x1e0
[ 41.249048][ T25] ? __pfx_bus_for_each_drv+0x10/0x10
[ 41.254449][ T25] ? lockdep_hardirqs_on+0x7c/0x110
[ 41.259678][ T25] ? _raw_spin_unlock_irqrestore+0x3b/0x80
[ 41.265516][ T25] __device_attach+0x1e8/0x4b0
[ 41.270306][ T25] ? __pfx___device_attach+0x10/0x10
[ 41.275619][ T25] ? do_raw_spin_unlock+0x172/0x230
[ 41.280850][ T25] bus_probe_device+0x17f/0x1c0
[ 41.285737][ T25] device_add+0x114b/0x1a70
[ 41.290266][ T25] ? __pfx_device_add+0x10/0x10
[ 41.295132][ T25] ? mark_held_locks+0x9f/0xe0
[ 41.299914][ T25] usb_set_configuration+0x10cb/0x1c50
[ 41.305409][ T25] ? __pfx_usb_generic_driver_probe+0x10/0x10
[ 41.311490][ T25] usb_generic_driver_probe+0xb1/0x110
[ 41.316964][ T25] usb_probe_device+0xec/0x3e0
[ 41.321747][ T25] ? __pfx_usb_probe_device+0x10/0x10
[ 41.327141][ T25] really_probe+0x23e/0xa90
[ 41.331660][ T25] __driver_probe_device+0x1de/0x440
[ 41.336974][ T25] ? usb_driver_applicable+0x1c7/0x220
[ 41.342476][ T25] driver_probe_device+0x4c/0x1b0
[ 41.347517][ T25] __device_attach_driver+0x1df/0x310
[ 41.352913][ T25] ? __pfx___device_attach_driver+0x10/0x10
[ 41.358858][ T25] bus_for_each_drv+0x157/0x1e0
[ 41.363728][ T25] ? __pfx_bus_for_each_drv+0x10/0x10
[ 41.369125][ T25] ? lockdep_hardirqs_on+0x7c/0x110
[ 41.374343][ T25] ? _raw_spin_unlock_irqrestore+0x3b/0x80
[ 41.380176][ T25] __device_attach+0x1e8/0x4b0
[ 41.384944][ T25] ? __pfx___device_attach+0x10/0x10
[ 41.390238][ T25] ? do_raw_spin_unlock+0x172/0x230
[ 41.395460][ T25] bus_probe_device+0x17f/0x1c0
[ 41.400347][ T25] device_add+0x114b/0x1a70
[ 41.404865][ T25] ? __pfx_device_add+0x10/0x10
[ 41.409724][ T25] ? add_device_randomness+0xb8/0xf0
[ 41.415048][ T25] usb_new_device+0xd09/0x1a20
[ 41.419826][ T25] ? __pfx_usb_new_device+0x10/0x10
[ 41.425044][ T25] hub_event+0x2e58/0x4f40
[ 41.429499][ T25] ? __pfx_hub_event+0x10/0x10
[ 41.434279][ T25] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 41.439922][ T25] ? rcu_is_watching+0x12/0xc0
[ 41.444695][ T25] ? trace_lock_acquire+0x14e/0x1f0
[ 41.449921][ T25] ? process_one_work+0x921/0x1ba0
[ 41.455049][ T25] ? lock_acquire+0x2f/0xb0
[ 41.459554][ T25] ? process_one_work+0x921/0x1ba0
[ 41.464679][ T25] process_one_work+0x9c5/0x1ba0
[ 41.469641][ T25] ? __pfx_hcd_resume_work+0x10/0x10
[ 41.474937][ T25] ? __pfx_process_one_work+0x10/0x10
[ 41.480337][ T25] ? assign_work+0x1a0/0x250
[ 41.484967][ T25] worker_thread+0x6c8/0xf00
[ 41.489578][ T25] ? __pfx_worker_thread+0x10/0x10
[ 41.494734][ T25] kthread+0x3af/0x750
[ 41.498828][ T25] ? __pfx_kthread+0x10/0x10
[ 41.503429][ T25] ? lock_acquire+0x2f/0xb0
[ 41.507944][ T25] ? __pfx_kthread+0x10/0x10
[ 41.512556][ T25] ret_from_fork+0x45/0x80
[ 41.517003][ T25] ? __pfx_kthread+0x10/0x10
[ 41.521614][ T25] ret_from_fork_asm+0x1a/0x30
[ 41.526393][ T25]
[ 41.529790][ T25] Kernel Offset: disabled
[ 41.534151][ T25] Rebooting in 86400 seconds..