last executing test programs: 1.900145105s ago: executing program 1 (id=297): openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sys/net/ipv4/tcp_rmem', 0x1, 0x0) 1.827045656s ago: executing program 1 (id=303): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/fs/smackfs/access', 0x2, 0x0) 1.745125797s ago: executing program 1 (id=308): wait4(0x0, 0x0, 0x0, 0x0) 1.665612514s ago: executing program 1 (id=313): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dlm-monitor', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dlm-monitor', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dlm-monitor', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/dlm-monitor', 0x800, 0x0) 1.664303811s ago: executing program 1 (id=316): getgid() 1.640821396s ago: executing program 1 (id=319): rt_sigreturn() 1.416757442s ago: executing program 0 (id=334): chown(&(0x7f0000000000), 0x0, 0x0) 1.349232206s ago: executing program 4 (id=337): mlockall(0x0) 1.335869929s ago: executing program 0 (id=338): statfs(&(0x7f0000000000), &(0x7f0000000000)) 1.328082479s ago: executing program 4 (id=340): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/video2', 0x2, 0x0) 1.253582118s ago: executing program 4 (id=342): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/nmem0', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/nmem0', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/nmem0', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/nmem0', 0x800, 0x0) 1.253280322s ago: executing program 0 (id=343): socket$tipc(0x1e, 0x2, 0x0) 1.234659891s ago: executing program 0 (id=345): socket$can_bcm(0x1d, 0x2, 0x2) 1.23405354s ago: executing program 4 (id=346): timer_settime(0x0, 0x0, &(0x7f0000000000), 0x0) 1.148249633s ago: executing program 4 (id=349): mprotect(0x0, 0x0, 0x0) 1.085754627s ago: executing program 4 (id=352): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/fs/smackfs/ptrace', 0x2, 0x0) 1.085611483s ago: executing program 0 (id=353): openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/capi/capi20', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/proc/capi/capi20', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/capi/capi20', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/capi/capi20', 0x800, 0x0) 1.047440517s ago: executing program 0 (id=356): semop(0x0, &(0x7f0000000000), 0x0) 703.195794ms ago: executing program 2 (id=370): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptp0', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ptp0', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ptp0', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ptp0', 0x800, 0x0) 592.495363ms ago: executing program 2 (id=371): syz_init_net_socket$802154_raw(0x24, 0x3, 0x0) 588.972142ms ago: executing program 2 (id=373): sched_getscheduler(0x0) 501.634765ms ago: executing program 2 (id=375): syz_open_dev$mouse(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$mouse(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$mouse(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$mouse(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$mouse(&(0x7f0000000140), 0x1, 0x0) syz_open_dev$mouse(&(0x7f0000000180), 0x1, 0x1) syz_open_dev$mouse(&(0x7f00000001c0), 0x1, 0x2) syz_open_dev$mouse(&(0x7f0000000200), 0x1, 0x800) syz_open_dev$mouse(&(0x7f0000000240), 0x2, 0x0) syz_open_dev$mouse(&(0x7f0000000280), 0x2, 0x1) syz_open_dev$mouse(&(0x7f00000002c0), 0x2, 0x2) syz_open_dev$mouse(&(0x7f0000000300), 0x2, 0x800) syz_open_dev$mouse(&(0x7f0000000340), 0x3, 0x0) syz_open_dev$mouse(&(0x7f0000000380), 0x3, 0x1) syz_open_dev$mouse(&(0x7f00000003c0), 0x3, 0x2) syz_open_dev$mouse(&(0x7f0000000400), 0x3, 0x800) syz_open_dev$mouse(&(0x7f0000000440), 0x4, 0x0) syz_open_dev$mouse(&(0x7f0000000480), 0x4, 0x1) syz_open_dev$mouse(&(0x7f00000004c0), 0x4, 0x2) syz_open_dev$mouse(&(0x7f0000000500), 0x4, 0x800) 331.756452ms ago: executing program 3 (id=382): msgrcv(0x0, &(0x7f0000000000), 0x0, 0x0, 0x0) 253.706678ms ago: executing program 3 (id=383): shmat(0x0, 0x0, 0x0) 253.432484ms ago: executing program 3 (id=384): lookup_dcookie(0x0, &(0x7f0000000000), 0x0) 243.028443ms ago: executing program 3 (id=385): rt_sigaction(0x0, &(0x7f0000000000), 0x0, 0x0, &(0x7f0000000000)) 215.018897ms ago: executing program 3 (id=386): syz_open_dev$dmmidi(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$dmmidi(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$dmmidi(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$dmmidi(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$dmmidi(&(0x7f0000000140), 0x1, 0x0) syz_open_dev$dmmidi(&(0x7f0000000180), 0x1, 0x1) syz_open_dev$dmmidi(&(0x7f00000001c0), 0x1, 0x2) syz_open_dev$dmmidi(&(0x7f0000000200), 0x1, 0x800) syz_open_dev$dmmidi(&(0x7f0000000240), 0x2, 0x0) syz_open_dev$dmmidi(&(0x7f0000000280), 0x2, 0x1) syz_open_dev$dmmidi(&(0x7f00000002c0), 0x2, 0x2) syz_open_dev$dmmidi(&(0x7f0000000300), 0x2, 0x800) syz_open_dev$dmmidi(&(0x7f0000000340), 0x3, 0x0) syz_open_dev$dmmidi(&(0x7f0000000380), 0x3, 0x1) syz_open_dev$dmmidi(&(0x7f00000003c0), 0x3, 0x2) syz_open_dev$dmmidi(&(0x7f0000000400), 0x3, 0x800) syz_open_dev$dmmidi(&(0x7f0000000440), 0x4, 0x0) syz_open_dev$dmmidi(&(0x7f0000000480), 0x4, 0x1) syz_open_dev$dmmidi(&(0x7f00000004c0), 0x4, 0x2) syz_open_dev$dmmidi(&(0x7f0000000500), 0x4, 0x800) 160.024474ms ago: executing program 3 (id=387): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/kvm', 0x800, 0x0) 65.338217ms ago: executing program 2 (id=389): syz_open_dev$sndpcmc(&(0x7f0000000040), 0x1, 0x0) syz_open_dev$sndpcmc(&(0x7f0000000080), 0x1, 0x1) syz_open_dev$sndpcmc(&(0x7f00000000c0), 0x1, 0x2) syz_open_dev$sndpcmc(&(0x7f0000000100), 0x1, 0x800) syz_open_dev$sndpcmc(&(0x7f0000000140), 0xb, 0x0) syz_open_dev$sndpcmc(&(0x7f0000000180), 0xb, 0x1) syz_open_dev$sndpcmc(&(0x7f00000001c0), 0xb, 0x2) syz_open_dev$sndpcmc(&(0x7f0000000200), 0xb, 0x800) syz_open_dev$sndpcmc(&(0x7f0000000240), 0x15, 0x0) syz_open_dev$sndpcmc(&(0x7f0000000280), 0x15, 0x1) syz_open_dev$sndpcmc(&(0x7f00000002c0), 0x15, 0x2) syz_open_dev$sndpcmc(&(0x7f0000000300), 0x15, 0x800) syz_open_dev$sndpcmc(&(0x7f0000000340), 0x1f, 0x0) syz_open_dev$sndpcmc(&(0x7f0000000380), 0x1f, 0x1) syz_open_dev$sndpcmc(&(0x7f00000003c0), 0x1f, 0x2) syz_open_dev$sndpcmc(&(0x7f0000000400), 0x1f, 0x800) syz_open_dev$sndpcmc(&(0x7f0000000440), 0x29, 0x0) syz_open_dev$sndpcmc(&(0x7f0000000480), 0x29, 0x1) syz_open_dev$sndpcmc(&(0x7f00000004c0), 0x29, 0x2) syz_open_dev$sndpcmc(&(0x7f0000000500), 0x29, 0x800) 0s ago: executing program 2 (id=390): syz_open_dev$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 '10.128.1.233' (ED25519) to the list of known hosts. [ 92.304611][ T10] cfg80211: failed to load regulatory.db [ 92.981557][ T5810] cgroup: Unknown subsys name 'net' [ 93.302111][ T5810] cgroup: Unknown subsys name 'cpuset' [ 93.397589][ T5810] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 95.464521][ T5810] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 98.347815][ T5837] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 101.310080][ T6079] mmap: syz.1.239 (6079) uses deprecated remap_file_pages() syscall. See Documentation/mm/remap_file_pages.rst. [ 103.923237][ C0] BUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:48 [ 103.923260][ C0] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 15, name: ksoftirqd/0 [ 103.923280][ C0] preempt_count: 0, expected: 0 [ 103.923291][ C0] RCU nest depth: 2, expected: 2 [ 103.923302][ C0] 7 locks held by ksoftirqd/0/15: [ 103.923316][ C0] #0: ffffffff8d64c8a0 (local_bh){.+.+}-{1:3}, at: __local_bh_disable_ip+0xa1/0x400 SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 103.923406][ C0] #1: ffff8880b8823d90 ((softirq_ctrl.lock)){+.+.}-{3:3}, at: __local_bh_disable_ip+0x264/0x400 [ 103.923470][ C0] #2: ffffffff8d7ace00 (rcu_read_lock){....}-{1:3}, at: rt_spin_lock+0x1bb/0x2c0 [ 103.923533][ C0] #3: ffffffff8d7ace00 (rcu_read_lock){....}-{1:3}, at: __local_bh_disable_ip+0xa1/0x400 [ 103.923589][ C0] #4: ffff888019899d38 ((wq_completion)events_bh){+...}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0 [ 103.923649][ C0] #5: ffffc90000147a00 ((work_completion)(&bh->bh)){+...}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0 [ 103.923711][ C0] #6: ffff8880b8828bb0 ((lock)#3){+.+.}-{3:3}, at: kcov_remote_start+0x92/0x460 [ 103.923780][ C0] irq event stamp: 25891 [ 103.923788][ C0] hardirqs last enabled at (25890): [] _raw_spin_unlock_irqrestore+0x85/0x110 [ 103.923819][ C0] hardirqs last disabled at (25891): [] __usb_hcd_giveback_urb+0x3f5/0x710 [ 103.923858][ C0] softirqs last enabled at (25876): [] run_ksoftirqd+0xce/0x210 [ 103.923883][ C0] softirqs last disabled at (25882): [] smpboot_thread_fn+0x53f/0xa60 [ 103.923936][ C0] CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Tainted: G W 6.16.0-syzkaller #0 PREEMPT_{RT,(full)} [ 103.923968][ C0] Tainted: [W]=WARN [ 103.923975][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 103.923989][ C0] Call Trace: [ 103.924004][ C0] [ 103.924014][ C0] dump_stack_lvl+0x189/0x250 [ 103.924048][ C0] ? smpboot_thread_fn+0x53f/0xa60 [ 103.924079][ C0] ? smpboot_thread_fn+0x53f/0xa60 [ 103.924113][ C0] ? __pfx_dump_stack_lvl+0x10/0x10 [ 103.924154][ C0] ? print_lock_name+0xde/0x100 [ 103.924184][ C0] __might_resched+0x44b/0x5d0 [ 103.924226][ C0] ? __pfx___might_resched+0x10/0x10 [ 103.924259][ C0] ? kcov_remote_start+0x92/0x460 [ 103.924314][ C0] rt_spin_lock+0xc7/0x2c0 [ 103.924346][ C0] ? led_trigger_blink_setup+0xa8/0x300 [ 103.924378][ C0] ? __pfx_rt_spin_lock+0x10/0x10 [ 103.924412][ C0] ? __pfx_led_trigger_blink_setup+0x10/0x10 [ 103.924439][ C0] ? _raw_spin_unlock_irqrestore+0xad/0x110 [ 103.924465][ C0] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 103.924497][ C0] kcov_remote_start+0x92/0x460 [ 103.924538][ C0] __usb_hcd_giveback_urb+0x427/0x710 [ 103.924581][ C0] ? __pfx___usb_hcd_giveback_urb+0x10/0x10 [ 103.924633][ C0] usb_giveback_urb_bh+0x296/0x420 [ 103.924670][ C0] ? __pfx_usb_giveback_urb_bh+0x10/0x10 [ 103.924699][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 103.924722][ C0] ? process_scheduled_works+0x9ef/0x17b0 [ 103.924754][ C0] ? process_scheduled_works+0x9ef/0x17b0 [ 103.924789][ C0] process_scheduled_works+0xae1/0x17b0 [ 103.924855][ C0] ? __pfx_process_scheduled_works+0x10/0x10 [ 103.924899][ C0] ? assign_work+0x3a1/0x410 [ 103.924937][ C0] bh_worker+0x2b1/0x600 [ 103.924972][ C0] tasklet_action+0xc/0x70 [ 103.925012][ C0] handle_softirqs+0x22c/0x710 [ 103.925043][ C0] ? schedule+0x165/0x360 [ 103.925075][ C0] ? __pfx_handle_softirqs+0x10/0x10 [ 103.925121][ C0] run_ksoftirqd+0xac/0x210 [ 103.925143][ C0] ? __pfx_run_ksoftirqd+0x10/0x10 [ 103.925162][ C0] ? schedule+0x91/0x360 [ 103.925194][ C0] ? smpboot_thread_fn+0x4d/0xa60 [ 103.925224][ C0] smpboot_thread_fn+0x53f/0xa60 [ 103.925259][ C0] ? smpboot_thread_fn+0x4d/0xa60 [ 103.925303][ C0] kthread+0x70e/0x8a0 [ 103.925337][ C0] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 103.925370][ C0] ? __pfx_kthread+0x10/0x10 [ 103.925401][ C0] ? __pfx_kthread+0x10/0x10 [ 103.925431][ C0] ret_from_fork+0x3f9/0x770 [ 103.925466][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 103.925505][ C0] ? __switch_to_asm+0x39/0x70 [ 103.925526][ C0] ? __switch_to_asm+0x33/0x70 [ 103.925547][ C0] ? __pfx_kthread+0x10/0x10 [ 103.925573][ C0] ret_from_fork_asm+0x1a/0x30 [ 103.925615][ C0]