last executing test programs: 888.767326ms ago: executing program 3 (id=55): getdents64(0xffffffffffffffff, &(0x7f0000000000), 0x0) 861.861284ms ago: executing program 3 (id=59): fsconfig$FSCONFIG_CMD_CREATE(0xffffffffffffffff, 0x6, 0x0, 0x0, 0x0) 812.867198ms ago: executing program 3 (id=63): inotify_init() 765.672026ms ago: executing program 3 (id=67): getcwd(&(0x7f0000000000), 0x0) 765.261144ms ago: executing program 3 (id=70): membarrier(0x0, 0x0) 739.36185ms ago: executing program 3 (id=72): rt_sigreturn() 353.543176ms ago: executing program 2 (id=98): semget(0xffffffffffffffff, 0x0, 0x0) 339.564204ms ago: executing program 2 (id=101): socket$kcm(0x29, 0x2, 0x0) 270.17407ms ago: executing program 2 (id=103): execveat(0xffffffffffffffff, &(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000), 0x0) 269.537489ms ago: executing program 2 (id=106): pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) 213.556465ms ago: executing program 2 (id=109): sched_setattr(0x0, &(0x7f0000000000), 0x0) 210.554363ms ago: executing program 2 (id=112): syz_open_dev$usbmon(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$usbmon(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$usbmon(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$usbmon(&(0x7f0000000140), 0x1, 0x0) syz_open_dev$usbmon(&(0x7f0000000180), 0x1, 0x1) syz_open_dev$usbmon(&(0x7f00000001c0), 0x1, 0x2) syz_open_dev$usbmon(&(0x7f0000000200), 0x1, 0x800) syz_open_dev$usbmon(&(0x7f0000000240), 0x2, 0x0) syz_open_dev$usbmon(&(0x7f0000000280), 0x2, 0x1) syz_open_dev$usbmon(&(0x7f00000002c0), 0x2, 0x2) syz_open_dev$usbmon(&(0x7f0000000300), 0x2, 0x800) syz_open_dev$usbmon(&(0x7f0000000340), 0x3, 0x0) syz_open_dev$usbmon(&(0x7f0000000380), 0x3, 0x1) syz_open_dev$usbmon(&(0x7f00000003c0), 0x3, 0x2) syz_open_dev$usbmon(&(0x7f0000000400), 0x3, 0x800) syz_open_dev$usbmon(&(0x7f0000000440), 0x4, 0x0) syz_open_dev$usbmon(&(0x7f0000000480), 0x4, 0x1) syz_open_dev$usbmon(&(0x7f00000004c0), 0x4, 0x2) syz_open_dev$usbmon(&(0x7f0000000500), 0x4, 0x800) 170.454503ms ago: executing program 0 (id=115): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/infiniband/rdma_cm', 0x2, 0x0) 121.869261ms ago: executing program 1 (id=116): capset(&(0x7f0000000000), &(0x7f0000000000)) 121.770676ms ago: executing program 0 (id=117): timer_gettime(0x0, &(0x7f0000000000)) 121.712268ms ago: executing program 1 (id=118): syz_open_dev$ndb(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$ndb(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$ndb(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$ndb(&(0x7f0000000100), 0x0, 0x800) 101.442001ms ago: executing program 0 (id=119): clone3(&(0x7f0000000000), 0x0) exit(0x0) 93.380012ms ago: executing program 1 (id=120): umount2(&(0x7f0000000000), 0x0) 24.848652ms ago: executing program 0 (id=121): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/net/tun', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/net/tun', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/net/tun', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/net/tun', 0x800, 0x0) 24.576561ms ago: executing program 1 (id=122): eventfd(0x0) 24.519221ms ago: executing program 0 (id=123): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/fs/smackfs/change-rule', 0x2, 0x0) 24.485045ms ago: executing program 1 (id=124): fstat(0xffffffffffffffff, &(0x7f0000000000)) 4.988216ms ago: executing program 0 (id=125): socket$igmp(0x2, 0x3, 0x2) 0s ago: executing program 1 (id=126): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/sequencer2', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/sequencer2', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/sequencer2', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/sequencer2', 0x800, 0x0) 0s ago: executing program 0 (id=127): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/cuse', 0x2, 0x0) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.0.139' (ED25519) to the list of known hosts. [ 67.924548][ T5829] cgroup: Unknown subsys name 'net' [ 68.032585][ T5829] cgroup: Unknown subsys name 'cpuset' [ 68.041104][ T5829] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 69.432500][ T5829] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 71.382654][ T1316] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.389130][ T1316] ieee802154 phy1 wpan1: encryption failed: -22 [ 80.549845][ T5984] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000046: 0000 [#1] SMP KASAN PTI [ 80.561856][ T5984] KASAN: null-ptr-deref in range [0x0000000000000230-0x0000000000000237] [ 80.570297][ T5984] CPU: 0 UID: 0 PID: 5984 Comm: syz.0.127 Not tainted syzkaller #0 PREEMPT(full) [ 80.579509][ T5984] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 80.589719][ T5984] RIP: 0010:fuse_dev_alloc_install+0x39/0x80 [ 80.595728][ T5984] Code: e8 bc f8 ff ff 48 89 c3 48 85 c0 74 47 e8 8f 40 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 80 e9 fe 49 8b 96 30 02 00 00 49 c7 86 30 [ 80.615353][ T5984] RSP: 0018:ffffc90003d37710 EFLAGS: 00010202 [ 80.621435][ T5984] RAX: 0000000000000046 RBX: ffff8880349d9100 RCX: dffffc0000000000 [ 80.629420][ T5984] RDX: 0000000000000000 RSI: ffffffff8e31b2fa RDI: 0000000000000230 [ 80.637392][ T5984] RBP: ffff88801bb25390 R08: ffffffff907522f7 R09: 1ffffffff20ea45e [ 80.645613][ T5984] R10: dffffc0000000000 R11: fffffbfff20ea45f R12: ffff888065527840 [ 80.653572][ T5984] R13: ffff888065527810 R14: 0000000000000000 R15: ffff888065527800 [ 80.661616][ T5984] FS: 000055556ef5a500(0000) GS:ffff888124dd0000(0000) knlGS:0000000000000000 [ 80.670816][ T5984] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.677391][ T5984] CR2: 00007f7de4776a00 CR3: 000000001d3e4000 CR4: 00000000003526f0 [ 80.685352][ T5984] Call Trace: [ 80.688618][ T5984] [ 80.691544][ T5984] cuse_channel_open+0x107/0x7c0 [ 80.696566][ T5984] ? __pfx_cuse_channel_open+0x10/0x10 [ 80.702008][ T5984] misc_open+0x2d5/0x350 [ 80.706332][ T5984] chrdev_open+0x4cd/0x5e0 [ 80.710834][ T5984] ? __pfx_chrdev_open+0x10/0x10 [ 80.715759][ T5984] ? fsnotify_open_perm_and_set_mode+0x135/0x6d0 [ 80.722175][ T5984] ? __pfx_chrdev_open+0x10/0x10 [ 80.727226][ T5984] do_dentry_open+0x785/0x14e0 [ 80.732001][ T5984] vfs_open+0x3b/0x340 [ 80.736075][ T5984] ? path_openat+0x2df0/0x3860 [ 80.740847][ T5984] path_openat+0x2e08/0x3860 [ 80.745444][ T5984] ? __pfx_stack_trace_save+0x10/0x10 [ 80.750903][ T5984] ? stack_depot_save_flags+0x33/0x810 [ 80.756375][ T5984] ? __pfx_path_openat+0x10/0x10 [ 80.761319][ T5984] ? __x64_sys_openat+0x138/0x170 [ 80.766394][ T5984] ? __lock_acquire+0x6b5/0x2cf0 [ 80.771343][ T5984] do_file_open+0x23e/0x4a0 [ 80.775836][ T5984] ? __pfx_do_file_open+0x10/0x10 [ 80.780858][ T5984] ? _raw_spin_unlock+0x28/0x50 [ 80.785790][ T5984] ? alloc_fd+0x64b/0x6c0 [ 80.790110][ T5984] do_sys_openat2+0x113/0x200 [ 80.794779][ T5984] ? __pfx_do_sys_openat2+0x10/0x10 [ 80.799974][ T5984] __x64_sys_openat+0x138/0x170 [ 80.804819][ T5984] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.810875][ T5984] do_syscall_64+0x15f/0xf80 [ 80.815459][ T5984] ? trace_irq_disable+0x3b/0x140 [ 80.820470][ T5984] ? clear_bhb_loop+0x40/0x90 [ 80.825133][ T5984] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.831112][ T5984] RIP: 0033:0x7fe87bf9c819 [ 80.835525][ T5984] 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 [ 80.855128][ T5984] RSP: 002b:00007fff68c25318 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 80.863545][ T5984] RAX: ffffffffffffffda RBX: 00007fe87c215fa0 RCX: 00007fe87bf9c819 [ 80.871511][ T5984] RDX: 0000000000000002 RSI: 0000200000000040 RDI: ffffffffffffff9c [ 80.879468][ T5984] RBP: 00007fe87c032c91 R08: 0000000000000000 R09: 0000000000000000 [ 80.887436][ T5984] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 80.895410][ T5984] R13: 00007fe87c215fac R14: 00007fe87c215fa0 R15: 00007fe87c215fa0 [ 80.903395][ T5984] [ 80.906411][ T5984] Modules linked in: [ 80.910890][ T5984] ---[ end trace 0000000000000000 ]--- SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 81.148902][ T5984] RIP: 0010:fuse_dev_alloc_install+0x39/0x80 [ 81.155034][ T5984] Code: e8 bc f8 ff ff 48 89 c3 48 85 c0 74 47 e8 8f 40 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 80 e9 fe 49 8b 96 30 02 00 00 49 c7 86 30 [ 81.176789][ T5984] RSP: 0018:ffffc90003d37710 EFLAGS: 00010202 [ 81.182959][ T5984] RAX: 0000000000000046 RBX: ffff8880349d9100 RCX: dffffc0000000000 [ 81.267907][ T5984] RDX: 0000000000000000 RSI: ffffffff8e31b2fa RDI: 0000000000000230 [ 81.297982][ T5984] RBP: ffff88801bb25390 R08: ffffffff907522f7 R09: 1ffffffff20ea45e [ 81.318715][ T5984] R10: dffffc0000000000 R11: fffffbfff20ea45f R12: ffff888065527840 [ 81.357611][ T5984] R13: ffff888065527810 R14: 0000000000000000 R15: ffff888065527800 [ 81.382373][ T5984] FS: 000055556ef5a500(0000) GS:ffff888124dd0000(0000) knlGS:0000000000000000 [ 81.420732][ T5984] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.443210][ T5984] CR2: 0000562acea55ae0 CR3: 000000001d3e4000 CR4: 00000000003526f0 [ 81.481193][ T5984] Kernel panic - not syncing: Fatal exception [ 81.487777][ T5984] Kernel Offset: disabled [ 81.492181][ T5984] Rebooting in 86400 seconds..