last executing test programs: 391.322207ms ago: executing program 3 (id=99): sched_setscheduler(0x0, 0x0, &(0x7f0000000000)) 324.250862ms ago: executing program 3 (id=101): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ocfs2_control', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ocfs2_control', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ocfs2_control', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ocfs2_control', 0x800, 0x0) 323.806472ms ago: executing program 3 (id=103): socket$inet6_dccp(0xa, 0x6, 0x0) 215.459463ms ago: executing program 0 (id=110): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/loop-control', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/loop-control', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/loop-control', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/loop-control', 0x800, 0x0) 215.412075ms ago: executing program 1 (id=111): clock_getres(0x0, &(0x7f0000000000)) 213.131948ms ago: executing program 0 (id=112): openat(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/enforce', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/enforce', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/selinux/enforce', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/selinux/enforce', 0x800, 0x0) 186.355026ms ago: executing program 1 (id=113): syz_open_dev$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$mouse(&(0x7f0000000500), 0x4, 0x800) 186.15275ms ago: executing program 2 (id=114): semtimedop(0x0, &(0x7f0000000000), 0x0, &(0x7f0000000000)) 183.890417ms ago: executing program 0 (id=115): clock_gettime(0x0, &(0x7f0000000000)) 123.785869ms ago: executing program 2 (id=116): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/kvm', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/kvm', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/kvm', 0x800, 0x0) 123.101984ms ago: executing program 0 (id=117): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/audio', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/audio', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/audio', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/audio', 0x800, 0x0) 122.643564ms ago: executing program 3 (id=118): socket$nl_generic(0x10, 0x3, 0x10) 122.176507ms ago: executing program 1 (id=119): openat2(0xffffffffffffffff, &(0x7f0000000000), &(0x7f0000000000), 0x0) 121.730792ms ago: executing program 2 (id=120): epoll_pwait2(0xffffffffffffffff, &(0x7f0000000000), 0x0, &(0x7f0000000000), &(0x7f0000000000), 0x0) 121.301153ms ago: executing program 0 (id=121): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/rnullb0', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rnullb0', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/rnullb0', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/rnullb0', 0x800, 0x0) 114.005129ms ago: executing program 2 (id=122): shmat(0x0, 0x0, 0x0) 110.50437ms ago: executing program 3 (id=123): waitid(0x0, 0x0, 0x0, 0x0, 0x0) 14.495521ms ago: executing program 1 (id=124): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ppp', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ppp', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ppp', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ppp', 0x800, 0x0) 14.248701ms ago: executing program 3 (id=125): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/input/mice', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/input/mice', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/input/mice', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/input/mice', 0x800, 0x0) 13.300361ms ago: executing program 0 (id=126): sync_file_range(0xffffffffffffffff, 0x0, 0x0, 0x0) 12.908464ms ago: executing program 2 (id=127): inotify_init() 12.797592ms ago: executing program 2 (id=128): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/cuse', 0x2, 0x0) 12.548865ms ago: executing program 1 (id=129): getitimer(0x0, &(0x7f0000000000)) 0s ago: executing program 1 (id=130): openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self/attr/exec', 0x2, 0x0) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.1.187' (ED25519) to the list of known hosts. [ 65.936496][ T5824] cgroup: Unknown subsys name 'net' [ 66.043313][ T5824] cgroup: Unknown subsys name 'cpuset' [ 66.052736][ T5824] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 67.425512][ T5824] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 71.383893][ T1314] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.390855][ T1314] ieee802154 phy1 wpan1: encryption failed: -22 [ 74.125974][ T5976] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000046: 0000 [#1] SMP KASAN PTI [ 74.137900][ T5976] KASAN: null-ptr-deref in range [0x0000000000000230-0x0000000000000237] [ 74.146344][ T5976] CPU: 0 UID: 0 PID: 5976 Comm: syz.2.128 Not tainted syzkaller #0 PREEMPT(full) [ 74.155550][ T5976] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 74.165625][ T5976] RIP: 0010:fuse_dev_alloc_install+0x39/0x80 [ 74.171635][ T5976] Code: e8 bc f8 ff ff 48 89 c3 48 85 c0 74 47 e8 ef 21 80 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 5c b3 e9 fe 49 8b 96 30 02 00 00 49 c7 86 30 [ 74.191333][ T5976] RSP: 0018:ffffc90004497710 EFLAGS: 00010202 [ 74.197424][ T5976] RAX: 0000000000000046 RBX: ffff888070886300 RCX: dffffc0000000000 [ 74.205653][ T5976] RDX: 0000000000000000 RSI: ffffffff8e10919c RDI: 0000000000000230 [ 74.213646][ T5976] RBP: ffff88801db0a990 R08: ffffffff9033d1f7 R09: 1ffffffff2067a3e [ 74.221707][ T5976] R10: dffffc0000000000 R11: fffffbfff2067a3f R12: ffff88807b6b8040 [ 74.229673][ T5976] R13: ffff88807b6b8010 R14: 0000000000000000 R15: ffff88807b6b8000 [ 74.237649][ T5976] FS: 0000555557dd5500(0000) GS:ffff888125201000(0000) knlGS:0000000000000000 [ 74.246667][ T5976] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.253246][ T5976] CR2: 00007fccbdf48060 CR3: 0000000075dac000 CR4: 00000000003526f0 [ 74.261299][ T5976] Call Trace: [ 74.264740][ T5976] [ 74.267666][ T5976] cuse_channel_open+0x107/0x7c0 [ 74.272874][ T5976] ? __pfx_cuse_channel_open+0x10/0x10 [ 74.278320][ T5976] misc_open+0x2d5/0x350 [ 74.282552][ T5976] chrdev_open+0x4cd/0x5e0 [ 74.286952][ T5976] ? __pfx_chrdev_open+0x10/0x10 [ 74.291873][ T5976] ? fsnotify_open_perm_and_set_mode+0x135/0x6d0 [ 74.298196][ T5976] ? __pfx_chrdev_open+0x10/0x10 [ 74.303227][ T5976] do_dentry_open+0x785/0x14e0 [ 74.307983][ T5976] vfs_open+0x3b/0x340 [ 74.312073][ T5976] ? path_openat+0x2df0/0x3860 [ 74.316824][ T5976] path_openat+0x2e08/0x3860 [ 74.321410][ T5976] ? __pfx_stack_trace_save+0x10/0x10 [ 74.326766][ T5976] ? stack_depot_save_flags+0x33/0x810 [ 74.332229][ T5976] ? __pfx_path_openat+0x10/0x10 [ 74.337260][ T5976] ? __x64_sys_openat+0x138/0x170 [ 74.342295][ T5976] ? __lock_acquire+0x6b5/0x2cf0 [ 74.347243][ T5976] do_file_open+0x23e/0x4a0 [ 74.351841][ T5976] ? __pfx_do_file_open+0x10/0x10 [ 74.357041][ T5976] ? _raw_spin_unlock+0x28/0x50 [ 74.361977][ T5976] ? alloc_fd+0x64b/0x6c0 [ 74.366472][ T5976] do_sys_openat2+0x113/0x200 [ 74.371134][ T5976] ? __pfx_do_sys_openat2+0x10/0x10 [ 74.376438][ T5976] __x64_sys_openat+0x138/0x170 [ 74.381363][ T5976] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.387410][ T5976] do_syscall_64+0x15f/0xf80 [ 74.391981][ T5976] ? trace_irq_disable+0x3b/0x140 [ 74.397028][ T5976] ? clear_bhb_loop+0x40/0x90 [ 74.401710][ T5976] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.407588][ T5976] RIP: 0033:0x7fed91f9c819 [ 74.411993][ T5976] 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 [ 74.431758][ T5976] RSP: 002b:00007ffe206d4118 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 74.440162][ T5976] RAX: ffffffffffffffda RBX: 00007fed92215fa0 RCX: 00007fed91f9c819 [ 74.448120][ T5976] RDX: 0000000000000002 RSI: 0000200000000040 RDI: ffffffffffffff9c [ 74.456079][ T5976] RBP: 00007fed92032c91 R08: 0000000000000000 R09: 0000000000000000 [ 74.464127][ T5976] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 74.472084][ T5976] R13: 00007fed92215fac R14: 00007fed92215fa0 R15: 00007fed92215fa0 [ 74.480142][ T5976] [ 74.483148][ T5976] Modules linked in: [ 74.487419][ T5976] ---[ end trace 0000000000000000 ]--- SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 74.524884][ T5976] RIP: 0010:fuse_dev_alloc_install+0x39/0x80 [ 74.532721][ T5976] Code: e8 bc f8 ff ff 48 89 c3 48 85 c0 74 47 e8 ef 21 80 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 5c b3 e9 fe 49 8b 96 30 02 00 00 49 c7 86 30 [ 74.553970][ T5976] RSP: 0018:ffffc90004497710 EFLAGS: 00010202 [ 74.560360][ T5976] RAX: 0000000000000046 RBX: ffff888070886300 RCX: dffffc0000000000 [ 74.568503][ T5976] RDX: 0000000000000000 RSI: ffffffff8e10919c RDI: 0000000000000230 [ 74.616248][ T5976] RBP: ffff88801db0a990 R08: ffffffff9033d1f7 R09: 1ffffffff2067a3e [ 74.643406][ T5976] R10: dffffc0000000000 R11: fffffbfff2067a3f R12: ffff88807b6b8040 [ 74.654226][ T5976] R13: ffff88807b6b8010 R14: 0000000000000000 R15: ffff88807b6b8000 [ 74.674465][ T5976] FS: 0000555557dd5500(0000) GS:ffff888125201000(0000) knlGS:0000000000000000 [ 74.689195][ T5976] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.696925][ T5976] CR2: 000055b184d77ee8 CR3: 0000000075dac000 CR4: 00000000003526f0 [ 74.723106][ T5976] Kernel panic - not syncing: Fatal exception [ 74.729655][ T5976] Kernel Offset: disabled [ 74.733997][ T5976] Rebooting in 86400 seconds..