last executing test programs: 6.677087221s ago: executing program 3 (id=553): lookup_dcookie(0x0, &(0x7f0000000000), 0x0) 6.613883279s ago: executing program 3 (id=556): statfs(&(0x7f0000000000), &(0x7f0000000000)) 6.530160995s ago: executing program 3 (id=563): pause() 6.426397628s ago: executing program 1 (id=569): memfd_create(&(0x7f0000000000), 0x0) 6.42607062s ago: executing program 1 (id=571): ftruncate(0xffffffffffffffff, 0x0) 6.353694836s ago: executing program 1 (id=575): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/video1', 0x2, 0x0) 5.956068406s ago: executing program 0 (id=605): 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) 5.870536761s ago: executing program 2 (id=608): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/tty', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/tty', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/tty', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/tty', 0x800, 0x0) 5.870292855s ago: executing program 0 (id=609): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vcsu', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vcsu', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vcsu', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/vcsu', 0x800, 0x0) 5.870087882s ago: executing program 2 (id=611): socket$isdn_base(0x22, 0x3, 0x0) 5.865002352s ago: executing program 0 (id=612): syz_open_dev$sndhw(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$sndhw(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$sndhw(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$sndhw(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$sndhw(&(0x7f0000000140), 0xa, 0x0) syz_open_dev$sndhw(&(0x7f0000000180), 0xa, 0x1) syz_open_dev$sndhw(&(0x7f00000001c0), 0xa, 0x2) syz_open_dev$sndhw(&(0x7f0000000200), 0xa, 0x800) syz_open_dev$sndhw(&(0x7f0000000240), 0x14, 0x0) syz_open_dev$sndhw(&(0x7f0000000280), 0x14, 0x1) syz_open_dev$sndhw(&(0x7f00000002c0), 0x14, 0x2) syz_open_dev$sndhw(&(0x7f0000000300), 0x14, 0x800) syz_open_dev$sndhw(&(0x7f0000000340), 0x1e, 0x0) syz_open_dev$sndhw(&(0x7f0000000380), 0x1e, 0x1) syz_open_dev$sndhw(&(0x7f00000003c0), 0x1e, 0x2) syz_open_dev$sndhw(&(0x7f0000000400), 0x1e, 0x800) syz_open_dev$sndhw(&(0x7f0000000440), 0x28, 0x0) syz_open_dev$sndhw(&(0x7f0000000480), 0x28, 0x1) syz_open_dev$sndhw(&(0x7f00000004c0), 0x28, 0x2) syz_open_dev$sndhw(&(0x7f0000000500), 0x28, 0x800) 5.684490857s ago: executing program 4 (id=615): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/fb1', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/fb1', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/fb1', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/fb1', 0x800, 0x0) 5.622674643s ago: executing program 4 (id=616): landlock_restrict_self(0xffffffffffffffff, 0x0) 5.622528876s ago: executing program 4 (id=617): set_tid_address(&(0x7f0000000000)) 5.622206407s ago: executing program 4 (id=618): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/kernel/debug/damon/kdamond_pid', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/sys/kernel/debug/damon/kdamond_pid', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/damon/kdamond_pid', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/sys/kernel/debug/damon/kdamond_pid', 0x800, 0x0) 4.977500521s ago: executing program 1 (id=578): 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) 4.567696135s ago: executing program 0 (id=613): 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) 2.840736819s ago: executing program 1 (id=620): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/fs/smackfs/revoke-subject', 0x2, 0x0) 2.333658469s ago: executing program 2 (id=621): readlink(&(0x7f0000000000), &(0x7f0000000000), 0x0) 2.287848719s ago: executing program 2 (id=625): memfd_secret(0x0) 2.137437551s ago: executing program 4 (id=619): 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) 1.930164421s ago: executing program 0 (id=622): statx(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0, &(0x7f0000000000)) 1.662415909s ago: executing program 3 (id=623): 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) 1.025816848s ago: executing program 2 (id=626): 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) 829.641706ms ago: executing program 1 (id=624): 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) 610.32727ms ago: executing program 4 (id=627): 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) 479.527886ms ago: executing program 3 (id=629): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vcs', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vcs', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vcs', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/vcs', 0x800, 0x0) 412.614259ms ago: executing program 3 (id=633): syz_open_dev$sndhw(&(0x7f0000000040), 0x1, 0x0) syz_open_dev$sndhw(&(0x7f0000000080), 0x1, 0x1) syz_open_dev$sndhw(&(0x7f00000000c0), 0x1, 0x2) syz_open_dev$sndhw(&(0x7f0000000100), 0x1, 0x800) syz_open_dev$sndhw(&(0x7f0000000140), 0xb, 0x0) syz_open_dev$sndhw(&(0x7f0000000180), 0xb, 0x1) syz_open_dev$sndhw(&(0x7f00000001c0), 0xb, 0x2) syz_open_dev$sndhw(&(0x7f0000000200), 0xb, 0x800) syz_open_dev$sndhw(&(0x7f0000000240), 0x15, 0x0) syz_open_dev$sndhw(&(0x7f0000000280), 0x15, 0x1) syz_open_dev$sndhw(&(0x7f00000002c0), 0x15, 0x2) syz_open_dev$sndhw(&(0x7f0000000300), 0x15, 0x800) syz_open_dev$sndhw(&(0x7f0000000340), 0x1f, 0x0) syz_open_dev$sndhw(&(0x7f0000000380), 0x1f, 0x1) syz_open_dev$sndhw(&(0x7f00000003c0), 0x1f, 0x2) syz_open_dev$sndhw(&(0x7f0000000400), 0x1f, 0x800) syz_open_dev$sndhw(&(0x7f0000000440), 0x29, 0x0) syz_open_dev$sndhw(&(0x7f0000000480), 0x29, 0x1) syz_open_dev$sndhw(&(0x7f00000004c0), 0x29, 0x2) syz_open_dev$sndhw(&(0x7f0000000500), 0x29, 0x800) 190.760073ms ago: executing program 0 (id=628): mmap(&(0x7efffffff000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000000000/0x1000000)=nil, 0x1000000, 0x7, 0x32, 0xffffffffffffffff, 0x0) mmap(&(0x7f0001000000/0x1000)=nil, 0x1000, 0x0, 0x32, 0xffffffffffffffff, 0x0) 0s ago: executing program 2 (id=630): syz_open_dev$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 '10.128.0.181' (ED25519) to the list of known hosts. [ 91.079363][ T5799] cgroup: Unknown subsys name 'net' [ 91.417267][ T5799] cgroup: Unknown subsys name 'cpuset' [ 91.492319][ T5799] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 92.275643][ T49] cfg80211: failed to load regulatory.db [ 93.609806][ T5799] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 96.452588][ T5850] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 99.766681][ T6097] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 103.607099][ T6315] mmap: syz.0.481 (6315) uses deprecated remap_file_pages() syscall. See Documentation/mm/remap_file_pages.rst. [ 107.055020][ T3620] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 107.055049][ T3620] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 108.122768][ T6483] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 108.128498][ T6483] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 108.129403][ T6483] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 108.146700][ T6483] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 108.148507][ T6483] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 108.677345][ T13] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 108.677367][ T13] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 110.193271][ T6483] Bluetooth: hci0: command tx timeout [ 111.503770][ C0] BUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:48 [ 111.503795][ C0] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 16, name: ktimers/0 [ 111.503825][ C0] preempt_count: 0, expected: 0 [ 111.503836][ C0] RCU nest depth: 2, expected: 2 [ 111.503847][ C0] 7 locks held by ktimers/0/16: [ 111.503857][ C0] #0: ffffffff8d649e40 (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) [ 111.503923][ C0] #1: ffff8880b8823d90 ((softirq_ctrl.lock)){+.+.}-{3:3}, at: __local_bh_disable_ip+0x264/0x400 [ 111.503963][ C0] #2: ffffffff8d7aa380 (rcu_read_lock){....}-{1:3}, at: rt_spin_lock+0x1bb/0x2c0 [ 111.504001][ C0] #3: ffffffff8d7aa380 (rcu_read_lock){....}-{1:3}, at: __local_bh_disable_ip+0xa1/0x400 [ 111.504042][ C0] #4: ffff888019899d38 ((wq_completion)events_bh){+...}-{0:0}, at: process_scheduled_works+0x9b4/0x17b0 [ 111.504084][ C0] #5: ffffc90000157a00 ((work_completion)(&bh->bh)){+...}-{0:0}, at: process_scheduled_works+0x9ef/0x17b0 [ 111.504124][ C0] #6: ffff8880b8828bb8 ((lock)#3){+.+.}-{3:3}, at: kcov_remote_start+0x92/0x460 [ 111.504173][ C0] irq event stamp: 145225 [ 111.504179][ C0] hardirqs last enabled at (145224): [] _raw_spin_unlock_irqrestore+0x85/0x110 [ 111.504204][ C0] hardirqs last disabled at (145225): [] __usb_hcd_giveback_urb+0x3f5/0x710 [ 111.504224][ C0] softirqs last enabled at (145194): [] run_ktimerd+0xf1/0x190 [ 111.504249][ C0] softirqs last disabled at (145200): [] smpboot_thread_fn+0x542/0xa60 [ 111.504289][ C0] CPU: 0 UID: 0 PID: 16 Comm: ktimers/0 Tainted: G W 6.16.0-syzkaller-03957-g78bb43e51b94 #0 PREEMPT_{RT,(full)} [ 111.504312][ C0] Tainted: [W]=WARN [ 111.504317][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 111.504328][ C0] Call Trace: [ 111.504336][ C0] [ 111.504344][ C0] dump_stack_lvl+0x189/0x250 [ 111.504368][ C0] ? smpboot_thread_fn+0x542/0xa60 [ 111.504386][ C0] ? smpboot_thread_fn+0x542/0xa60 [ 111.504408][ C0] ? __pfx_dump_stack_lvl+0x10/0x10 [ 111.504432][ C0] ? try_to_take_rt_mutex+0x840/0xb00 [ 111.504454][ C0] ? print_lock_name+0xde/0x100 [ 111.504474][ C0] __might_resched+0x44b/0x5d0 [ 111.504500][ C0] ? __pfx___might_resched+0x10/0x10 [ 111.504520][ C0] ? kcov_remote_start+0x92/0x460 [ 111.504555][ C0] rt_spin_lock+0xc7/0x2c0 [ 111.504570][ C0] ? led_trigger_blink_setup+0xa8/0x300 [ 111.504595][ C0] ? __pfx_rt_spin_lock+0x10/0x10 [ 111.504611][ C0] ? __pfx_led_trigger_blink_setup+0x10/0x10 [ 111.504632][ C0] ? _raw_spin_unlock_irqrestore+0xad/0x110 [ 111.504653][ C0] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 111.504679][ C0] kcov_remote_start+0x92/0x460 [ 111.504707][ C0] __usb_hcd_giveback_urb+0x427/0x710 [ 111.504734][ C0] ? __pfx___usb_hcd_giveback_urb+0x10/0x10 [ 111.504773][ C0] usb_giveback_urb_bh+0x296/0x420 [ 111.504800][ C0] ? __pfx_usb_giveback_urb_bh+0x10/0x10 [ 111.504830][ C0] ? _raw_spin_unlock_irq+0x23/0x50 [ 111.504851][ C0] ? process_scheduled_works+0x9ef/0x17b0 [ 111.504870][ C0] ? process_scheduled_works+0x9ef/0x17b0 [ 111.504892][ C0] process_scheduled_works+0xae1/0x17b0 [ 111.504939][ C0] ? __pfx_process_scheduled_works+0x10/0x10 [ 111.504970][ C0] ? assign_work+0x3a1/0x410 [ 111.504994][ C0] bh_worker+0x2b1/0x600 [ 111.505028][ C0] tasklet_action+0xc/0x70 [ 111.505049][ C0] handle_softirqs+0x22f/0x710 [ 111.505069][ C0] ? schedule+0x165/0x360 [ 111.505094][ C0] ? __pfx_handle_softirqs+0x10/0x10 [ 111.505123][ C0] run_ktimerd+0xcf/0x190 [ 111.505146][ C0] ? __pfx_run_ktimerd+0x10/0x10 [ 111.505167][ C0] ? schedule+0x91/0x360 [ 111.505192][ C0] ? smpboot_thread_fn+0x4d/0xa60 [ 111.505211][ C0] smpboot_thread_fn+0x542/0xa60 [ 111.505233][ C0] ? smpboot_thread_fn+0x4d/0xa60 [ 111.505260][ C0] kthread+0x711/0x8a0 [ 111.505288][ C0] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 111.505309][ C0] ? __pfx_kthread+0x10/0x10 [ 111.505338][ C0] ? __pfx_kthread+0x10/0x10 [ 111.505364][ C0] ret_from_fork+0x3f9/0x770 [ 111.505389][ C0] ? __pfx_ret_from_fork+0x10/0x10 [ 111.505416][ C0] ? __switch_to_asm+0x39/0x70 [ 111.505429][ C0] ? __switch_to_asm+0x33/0x70 [ 111.505443][ C0] ? __pfx_kthread+0x10/0x10 [ 111.505469][ C0] ret_from_fork_asm+0x1a/0x30 [ 111.505497][ C0]