last executing test programs: 3.75669746s ago: executing program 0 (id=132): syz_open_dev$sndpcmc(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$sndpcmc(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$sndpcmc(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$sndpcmc(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$sndpcmc(&(0x7f0000000140), 0xa, 0x0) syz_open_dev$sndpcmc(&(0x7f0000000180), 0xa, 0x1) syz_open_dev$sndpcmc(&(0x7f00000001c0), 0xa, 0x2) syz_open_dev$sndpcmc(&(0x7f0000000200), 0xa, 0x800) syz_open_dev$sndpcmc(&(0x7f0000000240), 0x14, 0x0) syz_open_dev$sndpcmc(&(0x7f0000000280), 0x14, 0x1) syz_open_dev$sndpcmc(&(0x7f00000002c0), 0x14, 0x2) syz_open_dev$sndpcmc(&(0x7f0000000300), 0x14, 0x800) syz_open_dev$sndpcmc(&(0x7f0000000340), 0x1e, 0x0) syz_open_dev$sndpcmc(&(0x7f0000000380), 0x1e, 0x1) syz_open_dev$sndpcmc(&(0x7f00000003c0), 0x1e, 0x2) syz_open_dev$sndpcmc(&(0x7f0000000400), 0x1e, 0x800) syz_open_dev$sndpcmc(&(0x7f0000000440), 0x28, 0x0) syz_open_dev$sndpcmc(&(0x7f0000000480), 0x28, 0x1) syz_open_dev$sndpcmc(&(0x7f00000004c0), 0x28, 0x2) syz_open_dev$sndpcmc(&(0x7f0000000500), 0x28, 0x800) 3.689106154s ago: executing program 0 (id=135): fsmount(0xffffffffffffffff, 0x0, 0x0) 3.688576007s ago: executing program 0 (id=138): fanotify_init(0x0, 0x0) 3.688371163s ago: executing program 0 (id=139): setresgid(0x0, 0x0, 0x0) 3.668310326s ago: executing program 0 (id=142): pkey_free(0xffffffffffffffff) 3.609087669s ago: executing program 0 (id=145): pause() 3.084542494s ago: executing program 1 (id=228): clock_settime(0x0, &(0x7f0000000000)) 3.084058185s ago: executing program 1 (id=231): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/btrfs-control', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/btrfs-control', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/btrfs-control', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/btrfs-control', 0x800, 0x0) 3.061463516s ago: executing program 1 (id=234): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/iommu', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/iommu', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/iommu', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/iommu', 0x800, 0x0) 3.023843372s ago: executing program 4 (id=236): syz_open_dev$vivid(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$vivid(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$vivid(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$vivid(&(0x7f0000000100), 0x0, 0x800) 3.023411883s ago: executing program 1 (id=239): openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/proc/thread-self', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/thread-self', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/thread-self', 0x800, 0x0) 3.023299199s ago: executing program 4 (id=240): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vcsa', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vcsa', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vcsa', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/vcsa', 0x800, 0x0) 2.968661299s ago: executing program 1 (id=244): syz_init_net_socket$bt_rfcomm(0x1f, 0x1, 0x3) 2.968374798s ago: executing program 4 (id=245): openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sys/kernel/yama/ptrace_scope', 0x2, 0x0) 2.961019817s ago: executing program 1 (id=247): kexec_load(0x0, 0x0, &(0x7f0000000000), 0x0) 2.360166273s ago: executing program 4 (id=246): mmap(&(0x7efffffff000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0x1000000)=nil, 0x1000000, 0x7, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0001000000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0) 1.766237961s ago: executing program 3 (id=253): splice(0xffffffffffffffff, &(0x7f0000000000), 0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0) 1.716941732s ago: executing program 3 (id=254): fspick(0xffffffffffffffff, &(0x7f0000000000), 0x0) 1.716695145s ago: executing program 3 (id=255): pipe(&(0x7f0000000000)) 1.716595214s ago: executing program 3 (id=256): socket$nl_sock_diag(0x10, 0x3, 0x4) 1.359255336s ago: executing program 4 (id=250): mmap(&(0x7efffffff000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0x1000000)=nil, 0x1000000, 0x7, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0001000000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0) 998.060019ms ago: executing program 2 (id=259): syz_init_net_socket$x25(0x9, 0x5, 0x0) 944.946063ms ago: executing program 2 (id=260): socket$inet_udp(0x2, 0x2, 0x0) 944.830856ms ago: executing program 2 (id=261): syz_open_dev$dri(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$dri(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$dri(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$dri(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$dri(&(0x7f0000000140), 0x1, 0x0) syz_open_dev$dri(&(0x7f0000000180), 0x1, 0x1) syz_open_dev$dri(&(0x7f00000001c0), 0x1, 0x2) syz_open_dev$dri(&(0x7f0000000200), 0x1, 0x800) syz_open_dev$dri(&(0x7f0000000240), 0x2, 0x0) syz_open_dev$dri(&(0x7f0000000280), 0x2, 0x1) syz_open_dev$dri(&(0x7f00000002c0), 0x2, 0x2) syz_open_dev$dri(&(0x7f0000000300), 0x2, 0x800) syz_open_dev$dri(&(0x7f0000000340), 0x3, 0x0) syz_open_dev$dri(&(0x7f0000000380), 0x3, 0x1) syz_open_dev$dri(&(0x7f00000003c0), 0x3, 0x2) syz_open_dev$dri(&(0x7f0000000400), 0x3, 0x800) syz_open_dev$dri(&(0x7f0000000440), 0x4, 0x0) syz_open_dev$dri(&(0x7f0000000480), 0x4, 0x1) syz_open_dev$dri(&(0x7f00000004c0), 0x4, 0x2) syz_open_dev$dri(&(0x7f0000000500), 0x4, 0x800) 937.452839ms ago: executing program 2 (id=262): syz_open_dev$cec(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$cec(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$cec(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$cec(&(0x7f0000000100), 0x0, 0x800) 928.723452ms ago: executing program 2 (id=263): getrlimit(0x0, &(0x7f0000000000)) 863.359058ms ago: executing program 3 (id=257): mmap(&(0x7efffffff000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0x1000000)=nil, 0x1000000, 0x7, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0001000000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0) 509.976238ms ago: executing program 4 (id=258): sync() 193.253612ms ago: executing program 2 (id=264): expanding glob: /sys/**/* 0s ago: executing program 3 (id=265): syz_open_dev$usbfs(&(0x7f0000000040), 0x1, 0x0) syz_open_dev$usbfs(&(0x7f0000000080), 0x1, 0x1) syz_open_dev$usbfs(&(0x7f00000000c0), 0x1, 0x2) syz_open_dev$usbfs(&(0x7f0000000100), 0x1, 0x800) syz_open_dev$usbfs(&(0x7f0000000140), 0xb, 0x0) syz_open_dev$usbfs(&(0x7f0000000180), 0xb, 0x1) syz_open_dev$usbfs(&(0x7f00000001c0), 0xb, 0x2) syz_open_dev$usbfs(&(0x7f0000000200), 0xb, 0x800) syz_open_dev$usbfs(&(0x7f0000000240), 0x15, 0x0) syz_open_dev$usbfs(&(0x7f0000000280), 0x15, 0x1) syz_open_dev$usbfs(&(0x7f00000002c0), 0x15, 0x2) syz_open_dev$usbfs(&(0x7f0000000300), 0x15, 0x800) syz_open_dev$usbfs(&(0x7f0000000340), 0x1f, 0x0) syz_open_dev$usbfs(&(0x7f0000000380), 0x1f, 0x1) syz_open_dev$usbfs(&(0x7f00000003c0), 0x1f, 0x2) syz_open_dev$usbfs(&(0x7f0000000400), 0x1f, 0x800) syz_open_dev$usbfs(&(0x7f0000000440), 0x29, 0x0) syz_open_dev$usbfs(&(0x7f0000000480), 0x29, 0x1) syz_open_dev$usbfs(&(0x7f00000004c0), 0x29, 0x2) syz_open_dev$usbfs(&(0x7f0000000500), 0x29, 0x800) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.1.20' (ED25519) to the list of known hosts. [ 52.557941][ T5812] cgroup: Unknown subsys name 'net' [ 52.837269][ T5812] cgroup: Unknown subsys name 'cpuset' [ 52.925184][ T5812] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 54.103042][ T5812] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 55.949761][ T5875] mmap: syz.2.43 (5875) uses deprecated remap_file_pages() syscall. See Documentation/mm/remap_file_pages.rst. [ 56.394203][ T5946] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 58.850082][ T6089] chnl_net:caif_netlink_parms(): no params data found [ 59.232334][ T6089] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.232385][ T6089] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.232473][ T6089] bridge_slave_0: entered allmulticast mode [ 59.233208][ T6089] bridge_slave_0: entered promiscuous mode [ 59.256769][ T6089] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.256849][ T6089] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.256976][ T6089] bridge_slave_1: entered allmulticast mode [ 59.258287][ T6089] bridge_slave_1: entered promiscuous mode [ 59.452676][ T6089] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.541274][ T6089] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.740832][ T6089] team0: Port device team_slave_0 added [ 59.752956][ T6089] team0: Port device team_slave_1 added [ 60.030669][ T6089] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 60.030680][ T6089] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 60.030693][ T6089] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 60.039838][ T6089] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 60.039854][ T6089] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 60.039878][ T6089] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 60.260746][ T6089] hsr_slave_0: entered promiscuous mode [ 60.261229][ T6089] hsr_slave_1: entered promiscuous mode [ 60.322133][ C0] BUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:48 [ 60.322154][ C0] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 15, name: ksoftirqd/0 [ 60.322174][ C0] preempt_count: 0, expected: 0 [ 60.322185][ C0] RCU nest depth: 2, expected: 2 [ 60.322196][ C0] INFO: lockdep is turned off. [ 60.322203][ C0] irq event stamp: 2518 [ 60.322211][ C0] hardirqs last enabled at (2517): [] finish_task_switch+0x266/0x950 SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 60.322251][ C0] hardirqs last disabled at (2518): [] __schedule+0x300/0x4c20 [ 60.322278][ C0] softirqs last enabled at (2502): [] run_ksoftirqd+0xce/0x210 [ 60.322312][ C0] softirqs last disabled at (2496): [] smpboot_thread_fn+0x53f/0xa60 [ 60.322365][ C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W syzkaller #0 PREEMPT_{RT,(full)} [ 60.322397][ C0] Tainted: [W]=WARN [ 60.322404][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 60.322416][ C0] Call Trace: [ 60.322423][ C0] [ 60.322431][ C0] dump_stack_lvl+0x189/0x250 [ 60.322459][ C0] ? smpboot_thread_fn+0x53f/0xa60 [ 60.322483][ C0] ? smpboot_thread_fn+0x53f/0xa60 [ 60.322508][ C0] ? __pfx_dump_stack_lvl+0x10/0x10 [ 60.322535][ C0] ? try_to_take_rt_mutex+0x840/0xb00 [ 60.322560][ C0] __might_resched+0x44b/0x5d0 [ 60.322581][ C0] ? __pfx___might_resched+0x10/0x10 [ 60.322600][ C0] ? rcu_is_watching+0x15/0xb0 [ 60.322630][ C0] ? lock_acquire+0x5f/0x360 [ 60.322656][ C0] ? rcu_is_watching+0x15/0xb0 [ 60.322684][ C0] ? lock_release+0x4b/0x3e0 [ 60.322711][ C0] rt_spin_lock+0xc7/0x2c0 [ 60.322729][ C0] ? led_trigger_blink_setup+0xa8/0x300 [ 60.322762][ C0] ? __pfx_rt_spin_lock+0x10/0x10 [ 60.322781][ C0] ? __pfx_led_trigger_blink_setup+0x10/0x10 [ 60.322807][ C0] ? _raw_spin_unlock_irqrestore+0xad/0x110 [ 60.322831][ C0] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 60.322856][ C0] ? rcu_is_watching+0x15/0xb0 [ 60.322884][ C0] kcov_remote_start+0x92/0x460 [ 60.322910][ C0] __usb_hcd_giveback_urb+0x427/0x710 [ 60.322939][ C0] ? __pfx___usb_hcd_giveback_urb+0x10/0x10 [ 60.322967][ C0] usb_giveback_urb_bh+0x296/0x420 [ 60.322998][ C0] ? __pfx_usb_giveback_urb_bh+0x10/0x10 [ 60.323024][ C0] ? rcu_is_watching+0x15/0xb0 [ 60.323049][ C0] ? process_scheduled_works+0x9ef/0x17b0 [ 60.323073][ C0] ? process_scheduled_works+0x9ef/0x17b0 [ 60.323095][ C0] process_scheduled_works+0xade/0x17b0 [ 60.323128][ C0] ? __pfx_process_scheduled_works+0x10/0x10 [ 60.323156][ C0] ? assign_work+0x3a1/0x410 [ 60.323181][ C0] bh_worker+0x2b1/0x600 [ 60.323212][ C0] tasklet_action+0xc/0x70 [ 60.323237][ C0] handle_softirqs+0x22c/0x710 [ 60.323266][ C0] ? __pfx_handle_softirqs+0x10/0x10 [ 60.323295][ C0] run_ksoftirqd+0xac/0x210 [ 60.323323][ C0] ? __pfx_run_ksoftirqd+0x10/0x10 [ 60.323356][ C0] ? schedule+0x91/0x360 [ 60.323380][ C0] ? smpboot_thread_fn+0x4d/0xa60 [ 60.323405][ C0] smpboot_thread_fn+0x53f/0xa60 [ 60.323428][ C0] ? smpboot_thread_fn+0x4d/0xa60 [ 60.323454][ C0] kthread+0x70e/0x8a0 [ 60.323486][ C0] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 60.323510][ C0] ? __pfx_kthread+0x10/0x10 [ 60.323539][ C0] ? __pfx_kthread+0x10/0x10 [ 60.323568][ C0] ret_from_fork+0x3fc/0x770 [ 60.323595][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 60.323622][ C0] ? __switch_to_asm+0x39/0x70 [ 60.323641][ C0] ? __switch_to_asm+0x33/0x70 [ 60.323659][ C0] ? __pfx_kthread+0x10/0x10 [ 60.323688][ C0] ret_from_fork_asm+0x1a/0x30 [ 60.323712][ C0] [ 62.024988][ T5138] bridge_slave_1: left allmulticast mode [ 62.025007][ T5138] bridge_slave_1: left promiscuous mode [ 62.025144][ T5138] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.095517][ T5138] bridge_slave_0: left allmulticast mode [ 62.095543][ T5138] bridge_slave_0: left promiscuous mode [ 62.095706][ T5138] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.375475][ T5138] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 62.515353][ T5138] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 62.576103][ T5138] bond0 (unregistering): Released all slaves [ 63.434951][ T5138] hsr_slave_0: left promiscuous mode [ 63.455481][ T5138] hsr_slave_1: left promiscuous mode [ 63.455864][ T5138] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 63.505371][ T5138] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 63.905376][ T5138] team0 (unregistering): Port device team_slave_1 removed [ 63.985227][ T5138] team0 (unregistering): Port device team_slave_0 removed