last executing test programs: 227.896446ms ago: executing program 3 (id=171): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/video0', 0x2, 0x0) 227.595595ms ago: executing program 3 (id=174): fanotify_init(0x0, 0x0) 221.249113ms ago: executing program 3 (id=176): setuid(0x0) 163.697082ms ago: executing program 3 (id=181): io_setup(0x0, &(0x7f0000000000)) 163.402405ms ago: executing program 3 (id=183): splice(0xffffffffffffffff, &(0x7f0000000000), 0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0) 155.418704ms ago: executing program 1 (id=185): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/xen/evtchn', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/xen/evtchn', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/xen/evtchn', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/xen/evtchn', 0x800, 0x0) 153.206061ms ago: executing program 0 (id=186): finit_module(0xffffffffffffffff, &(0x7f0000000000), 0x0) 134.526487ms ago: executing program 3 (id=187): pause() 134.431003ms ago: executing program 0 (id=188): mincore(0x0, 0x0, &(0x7f0000000000)) 88.065693ms ago: executing program 2 (id=189): syz_open_dev$rtc(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$rtc(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$rtc(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$rtc(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$rtc(&(0x7f0000000140), 0x1, 0x0) syz_open_dev$rtc(&(0x7f0000000180), 0x1, 0x1) syz_open_dev$rtc(&(0x7f00000001c0), 0x1, 0x2) syz_open_dev$rtc(&(0x7f0000000200), 0x1, 0x800) syz_open_dev$rtc(&(0x7f0000000240), 0x2, 0x0) syz_open_dev$rtc(&(0x7f0000000280), 0x2, 0x1) syz_open_dev$rtc(&(0x7f00000002c0), 0x2, 0x2) syz_open_dev$rtc(&(0x7f0000000300), 0x2, 0x800) syz_open_dev$rtc(&(0x7f0000000340), 0x3, 0x0) syz_open_dev$rtc(&(0x7f0000000380), 0x3, 0x1) syz_open_dev$rtc(&(0x7f00000003c0), 0x3, 0x2) syz_open_dev$rtc(&(0x7f0000000400), 0x3, 0x800) syz_open_dev$rtc(&(0x7f0000000440), 0x4, 0x0) syz_open_dev$rtc(&(0x7f0000000480), 0x4, 0x1) syz_open_dev$rtc(&(0x7f00000004c0), 0x4, 0x2) syz_open_dev$rtc(&(0x7f0000000500), 0x4, 0x800) 87.89274ms ago: executing program 1 (id=190): memfd_create(&(0x7f0000000000), 0x0) 87.857242ms ago: executing program 0 (id=191): syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) 87.68242ms ago: executing program 2 (id=192): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ashmem', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ashmem', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ashmem', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ashmem', 0x800, 0x0) 87.454061ms ago: executing program 1 (id=193): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vcs', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vcs', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vcs', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/vcs', 0x800, 0x0) 67.929276ms ago: executing program 0 (id=194): ustat(0x0, &(0x7f0000000000)) 67.718781ms ago: executing program 2 (id=195): eventfd(0x0) 54.632781ms ago: executing program 1 (id=196): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/devices/platform/vhci_hcd.0/attach', 0x1, 0x0) 8.005398ms ago: executing program 2 (id=197): syz_open_dev$sndctrl(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$sndctrl(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$sndctrl(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$sndctrl(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$sndctrl(&(0x7f0000000140), 0x1, 0x0) syz_open_dev$sndctrl(&(0x7f0000000180), 0x1, 0x1) syz_open_dev$sndctrl(&(0x7f00000001c0), 0x1, 0x2) syz_open_dev$sndctrl(&(0x7f0000000200), 0x1, 0x800) syz_open_dev$sndctrl(&(0x7f0000000240), 0x2, 0x0) syz_open_dev$sndctrl(&(0x7f0000000280), 0x2, 0x1) syz_open_dev$sndctrl(&(0x7f00000002c0), 0x2, 0x2) syz_open_dev$sndctrl(&(0x7f0000000300), 0x2, 0x800) syz_open_dev$sndctrl(&(0x7f0000000340), 0x3, 0x0) syz_open_dev$sndctrl(&(0x7f0000000380), 0x3, 0x1) syz_open_dev$sndctrl(&(0x7f00000003c0), 0x3, 0x2) syz_open_dev$sndctrl(&(0x7f0000000400), 0x3, 0x800) syz_open_dev$sndctrl(&(0x7f0000000440), 0x4, 0x0) syz_open_dev$sndctrl(&(0x7f0000000480), 0x4, 0x1) syz_open_dev$sndctrl(&(0x7f00000004c0), 0x4, 0x2) syz_open_dev$sndctrl(&(0x7f0000000500), 0x4, 0x800) 7.852467ms ago: executing program 0 (id=198): clock_gettime(0x0, &(0x7f0000000000)) 7.783065ms ago: executing program 1 (id=199): renameat(0xffffffffffffffff, &(0x7f0000000000), 0xffffffffffffffff, &(0x7f0000000000)) 7.66ms ago: executing program 0 (id=200): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snd/seq', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/snd/seq', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/snd/seq', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/snd/seq', 0x800, 0x0) 7.554933ms ago: executing program 2 (id=201): openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/capi/capi20', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/proc/capi/capi20', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/capi/capi20', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/capi/capi20', 0x800, 0x0) 5.196306ms ago: executing program 1 (id=202): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/cuse', 0x2, 0x0) 0s ago: executing program 2 (id=203): syz_open_dev$audion(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$audion(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$audion(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$audion(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$audion(&(0x7f0000000140), 0x1, 0x0) syz_open_dev$audion(&(0x7f0000000180), 0x1, 0x1) syz_open_dev$audion(&(0x7f00000001c0), 0x1, 0x2) syz_open_dev$audion(&(0x7f0000000200), 0x1, 0x800) syz_open_dev$audion(&(0x7f0000000240), 0x2, 0x0) syz_open_dev$audion(&(0x7f0000000280), 0x2, 0x1) syz_open_dev$audion(&(0x7f00000002c0), 0x2, 0x2) syz_open_dev$audion(&(0x7f0000000300), 0x2, 0x800) syz_open_dev$audion(&(0x7f0000000340), 0x3, 0x0) syz_open_dev$audion(&(0x7f0000000380), 0x3, 0x1) syz_open_dev$audion(&(0x7f00000003c0), 0x3, 0x2) syz_open_dev$audion(&(0x7f0000000400), 0x3, 0x800) syz_open_dev$audion(&(0x7f0000000440), 0x4, 0x0) syz_open_dev$audion(&(0x7f0000000480), 0x4, 0x1) syz_open_dev$audion(&(0x7f00000004c0), 0x4, 0x2) syz_open_dev$audion(&(0x7f0000000500), 0x4, 0x800) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.0.175' (ED25519) to the list of known hosts. [ 68.743811][ T5828] cgroup: Unknown subsys name 'net' [ 68.880683][ T5828] cgroup: Unknown subsys name 'cpuset' [ 68.889994][ T5828] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 70.285279][ T5828] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 71.560718][ T1319] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.567791][ T1319] ieee802154 phy1 wpan1: encryption failed: -22 [ 79.641919][ T6062] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000046: 0000 [#1] SMP KASAN PTI [ 79.653855][ T6062] KASAN: null-ptr-deref in range [0x0000000000000230-0x0000000000000237] [ 79.662354][ T6062] CPU: 0 UID: 0 PID: 6062 Comm: syz.1.202 Not tainted syzkaller #0 PREEMPT(full) [ 79.671575][ T6062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 79.681638][ T6062] RIP: 0010:fuse_dev_alloc_install+0x39/0x80 [ 79.687647][ T6062] Code: e8 bc f8 ff ff 48 89 c3 48 85 c0 74 47 e8 7f 57 7f fe 49 8d be 30 02 00 00 48 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 05 e8 6c 94 e9 fe 49 8b 96 30 02 00 00 49 c7 86 30 [ 79.707277][ T6062] RSP: 0018:ffffc90004577710 EFLAGS: 00010202 [ 79.713542][ T6062] RAX: 0000000000000046 RBX: ffff888026a90900 RCX: dffffc0000000000 [ 79.721627][ T6062] RDX: 0000000000000000 RSI: ffffffff8e3178fe RDI: 0000000000000230 [ 79.729604][ T6062] RBP: ffff8880281ee490 R08: ffffffff9074f1f7 R09: 1ffffffff20e9e3e [ 79.737766][ T6062] R10: dffffc0000000000 R11: fffffbfff20e9e3f R12: ffff888028eb4040 [ 79.745731][ T6062] R13: ffff888028eb4010 R14: 0000000000000000 R15: ffff888028eb4000 [ 79.753780][ T6062] FS: 0000555576c0d500(0000) GS:ffff888124dd9000(0000) knlGS:0000000000000000 [ 79.762696][ T6062] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.769270][ T6062] CR2: 00007f14e352ba40 CR3: 0000000075cbc000 CR4: 00000000003526f0 [ 79.777260][ T6062] Call Trace: [ 79.780538][ T6062] [ 79.783457][ T6062] cuse_channel_open+0x107/0x7c0 [ 79.788390][ T6062] ? __pfx_cuse_channel_open+0x10/0x10 [ 79.793838][ T6062] misc_open+0x2d5/0x350 [ 79.798073][ T6062] chrdev_open+0x4cd/0x5e0 [ 79.802480][ T6062] ? __pfx_chrdev_open+0x10/0x10 [ 79.807415][ T6062] ? fsnotify_open_perm_and_set_mode+0x135/0x6d0 [ 79.813732][ T6062] ? __pfx_chrdev_open+0x10/0x10 [ 79.818660][ T6062] do_dentry_open+0x785/0x14e0 [ 79.823592][ T6062] vfs_open+0x3b/0x340 [ 79.827693][ T6062] ? path_openat+0x2df0/0x3860 [ 79.832536][ T6062] path_openat+0x2e08/0x3860 [ 79.837151][ T6062] ? __pfx_stack_trace_save+0x10/0x10 [ 79.842711][ T6062] ? stack_depot_save_flags+0x33/0x810 [ 79.848176][ T6062] ? __pfx_path_openat+0x10/0x10 [ 79.853110][ T6062] ? __x64_sys_openat+0x138/0x170 [ 79.858129][ T6062] ? __lock_acquire+0x6b5/0x2cf0 [ 79.863064][ T6062] do_file_open+0x23e/0x4a0 [ 79.867568][ T6062] ? __pfx_do_file_open+0x10/0x10 [ 79.872619][ T6062] ? _raw_spin_unlock+0x28/0x50 [ 79.877459][ T6062] ? alloc_fd+0x64b/0x6c0 [ 79.881789][ T6062] do_sys_openat2+0x113/0x200 [ 79.886636][ T6062] ? __pfx_do_sys_openat2+0x10/0x10 [ 79.891920][ T6062] ? exc_page_fault+0x6a/0xc0 [ 79.896591][ T6062] ? do_user_addr_fault+0xc6f/0x1340 [ 79.901957][ T6062] __x64_sys_openat+0x138/0x170 [ 79.906916][ T6062] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 79.912993][ T6062] do_syscall_64+0x15f/0xf80 [ 79.917921][ T6062] ? trace_irq_disable+0x3b/0x140 [ 79.922943][ T6062] ? clear_bhb_loop+0x40/0x90 [ 79.927636][ T6062] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 79.933543][ T6062] RIP: 0033:0x7f14e359c819 [ 79.937959][ T6062] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 79.958021][ T6062] RSP: 002b:00007fff000d4348 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 79.966452][ T6062] RAX: ffffffffffffffda RBX: 00007f14e3815fa0 RCX: 00007f14e359c819 [ 79.974592][ T6062] RDX: 0000000000000002 RSI: 0000200000000040 RDI: ffffffffffffff9c [ 79.982814][ T6062] RBP: 00007f14e3632c91 R08: 0000000000000000 R09: 0000000000000000 SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 79.990792][ T6062] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 79.998866][ T6062] R13: 00007f14e3815fac R14: 00007f14e3815fa0 R15: 00007f14e3815fa0 [ 80.006842][ T6062] [ 80.010129][ T6062] Modules linked in: [ 80.014561][ T6062] ---[ end trace 0000000000000000 ]--- [ 80.133377][ T6062] RIP: 0010:fuse_dev_alloc_install+0x39/0x80 [ 80.142235][ T6062] Code: e8 bc f8 ff ff 48 89 c3 48 85 c0 74 47 e8 7f 57 7f fe 49 8d be 30 02 00 00 48 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 05 e8 6c 94 e9 fe 49 8b 96 30 02 00 00 49 c7 86 30 [ 80.162867][ T6062] RSP: 0018:ffffc90004577710 EFLAGS: 00010202 [ 80.169132][ T6062] RAX: 0000000000000046 RBX: ffff888026a90900 RCX: dffffc0000000000 [ 80.178961][ T6062] RDX: 0000000000000000 RSI: ffffffff8e3178fe RDI: 0000000000000230 [ 80.187018][ T6062] RBP: ffff8880281ee490 R08: ffffffff9074f1f7 R09: 1ffffffff20e9e3e [ 80.195001][ T6062] R10: dffffc0000000000 R11: fffffbfff20e9e3f R12: ffff888028eb4040 [ 80.203449][ T6062] R13: ffff888028eb4010 R14: 0000000000000000 R15: ffff888028eb4000 [ 80.211806][ T6062] FS: 0000555576c0d500(0000) GS:ffff888124dd9000(0000) knlGS:0000000000000000 [ 80.226447][ T6062] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.233402][ T6062] CR2: 00005555825dc8c8 CR3: 0000000075cbc000 CR4: 00000000003526f0 [ 80.241766][ T6062] Kernel panic - not syncing: Fatal exception [ 80.248314][ T6062] Kernel Offset: disabled [ 80.252635][ T6062] Rebooting in 86400 seconds..