last executing test programs: 244.732912ms ago: executing program 0 (id=44): fanotify_init(0x0, 0x0) 199.018472ms ago: executing program 2 (id=45): syz_open_dev$floppy(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$floppy(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$floppy(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$floppy(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$floppy(&(0x7f0000000140), 0x1, 0x0) syz_open_dev$floppy(&(0x7f0000000180), 0x1, 0x1) syz_open_dev$floppy(&(0x7f00000001c0), 0x1, 0x2) syz_open_dev$floppy(&(0x7f0000000200), 0x1, 0x800) syz_open_dev$floppy(&(0x7f0000000240), 0x2, 0x0) syz_open_dev$floppy(&(0x7f0000000280), 0x2, 0x1) syz_open_dev$floppy(&(0x7f00000002c0), 0x2, 0x2) syz_open_dev$floppy(&(0x7f0000000300), 0x2, 0x800) syz_open_dev$floppy(&(0x7f0000000340), 0x3, 0x0) syz_open_dev$floppy(&(0x7f0000000380), 0x3, 0x1) syz_open_dev$floppy(&(0x7f00000003c0), 0x3, 0x2) syz_open_dev$floppy(&(0x7f0000000400), 0x3, 0x800) syz_open_dev$floppy(&(0x7f0000000440), 0x4, 0x0) syz_open_dev$floppy(&(0x7f0000000480), 0x4, 0x1) syz_open_dev$floppy(&(0x7f00000004c0), 0x4, 0x2) syz_open_dev$floppy(&(0x7f0000000500), 0x4, 0x800) 198.592949ms ago: executing program 3 (id=46): socket$caif_stream(0x25, 0x1, 0x0) 198.513692ms ago: executing program 1 (id=47): pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) 198.423364ms ago: executing program 0 (id=48): socket$inet6_icmp(0xa, 0x2, 0x3a) 198.305111ms ago: executing program 2 (id=49): remap_file_pages(0x0, 0x0, 0x0, 0x0, 0x0) 176.302502ms ago: executing program 3 (id=50): epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, 0xffffffffffffffff, &(0x7f0000000000)) 153.374856ms ago: executing program 0 (id=51): syz_open_dev$drirender(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$drirender(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$drirender(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$drirender(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$drirender(&(0x7f0000000140), 0x1, 0x0) syz_open_dev$drirender(&(0x7f0000000180), 0x1, 0x1) syz_open_dev$drirender(&(0x7f00000001c0), 0x1, 0x2) syz_open_dev$drirender(&(0x7f0000000200), 0x1, 0x800) syz_open_dev$drirender(&(0x7f0000000240), 0x2, 0x0) syz_open_dev$drirender(&(0x7f0000000280), 0x2, 0x1) syz_open_dev$drirender(&(0x7f00000002c0), 0x2, 0x2) syz_open_dev$drirender(&(0x7f0000000300), 0x2, 0x800) syz_open_dev$drirender(&(0x7f0000000340), 0x3, 0x0) syz_open_dev$drirender(&(0x7f0000000380), 0x3, 0x1) syz_open_dev$drirender(&(0x7f00000003c0), 0x3, 0x2) syz_open_dev$drirender(&(0x7f0000000400), 0x3, 0x800) syz_open_dev$drirender(&(0x7f0000000440), 0x4, 0x0) syz_open_dev$drirender(&(0x7f0000000480), 0x4, 0x1) syz_open_dev$drirender(&(0x7f00000004c0), 0x4, 0x2) syz_open_dev$drirender(&(0x7f0000000500), 0x4, 0x800) 153.174926ms ago: executing program 1 (id=52): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/loop-control', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/loop-control', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/loop-control', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/loop-control', 0x800, 0x0) 115.137734ms ago: executing program 4 (id=53): timer_gettime(0x0, &(0x7f0000000000)) 114.898944ms ago: executing program 3 (id=54): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/rnullb0', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rnullb0', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/rnullb0', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/rnullb0', 0x800, 0x0) 114.801208ms ago: executing program 1 (id=55): openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/keys', 0x0, 0x0) 114.536938ms ago: executing program 4 (id=56): socket$unix(0x1, 0x1, 0x0) 114.186984ms ago: executing program 0 (id=57): execveat(0xffffffffffffffff, &(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000), 0x0) 114.004762ms ago: executing program 2 (id=58): acct(0x0) 62.979061ms ago: executing program 3 (id=59): set_robust_list(&(0x7f0000000000), 0x0) 62.726176ms ago: executing program 4 (id=60): openat(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/member', 0x2, 0x0) 62.378822ms ago: executing program 1 (id=61): pwrite64(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0) 62.150085ms ago: executing program 0 (id=62): 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) 61.896815ms ago: executing program 2 (id=63): openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sys/fs/binfmt_misc/syz0', 0x2, 0x0) 61.82498ms ago: executing program 3 (id=64): syz_init_net_socket$ax25(0x3, 0x2, 0x0) 60.704274ms ago: executing program 3 (id=65): syz_open_dev$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$usbmon(&(0x7f0000000500), 0x4, 0x800) 57.170454ms ago: executing program 4 (id=66): mq_getsetattr(0xffffffffffffffff, &(0x7f0000000000), 0x0) 39.148837ms ago: executing program 1 (id=67): shmctl$IPC_INFO(0x0, 0x3, &(0x7f0000000000)) 731.655µs ago: executing program 2 (id=68): signalfd(0xffffffffffffffff, &(0x7f0000000000), 0x0) 398.654µs ago: executing program 4 (id=69): lgetxattr(&(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000), 0x0) 326.792µs ago: executing program 1 (id=70): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/audio1', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/audio1', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/audio1', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/audio1', 0x800, 0x0) 271.355µs ago: executing program 2 (id=71): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/cuse', 0x2, 0x0) 47.827µs ago: executing program 0 (id=72): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/null', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/null', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/null', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/null', 0x800, 0x0) 0s ago: executing program 4 (id=73): msync(0x0, 0x0, 0x0) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.1.206' (ED25519) to the list of known hosts. [ 69.939878][ T5828] cgroup: Unknown subsys name 'net' [ 70.050058][ T5828] cgroup: Unknown subsys name 'cpuset' [ 70.058548][ T5828] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 71.423112][ T5828] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 71.569113][ T1318] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.576451][ T1318] ieee802154 phy1 wpan1: encryption failed: -22 [ 74.160179][ T5900] mmap: syz.2.49 (5900) uses deprecated remap_file_pages() syscall. See Documentation/mm/remap_file_pages.rst. [ 74.350164][ T5923] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000046: 0000 [#1] SMP KASAN PTI [ 74.363207][ T5923] KASAN: null-ptr-deref in range [0x0000000000000230-0x0000000000000237] [ 74.372530][ T5923] CPU: 1 UID: 0 PID: 5923 Comm: syz.2.71 Not tainted syzkaller #0 PREEMPT(full) [ 74.382433][ T5923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 74.393149][ T5923] RIP: 0010:fuse_dev_alloc_install+0x39/0x80 [ 74.399678][ T5923] 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 [ 74.420932][ T5923] RSP: 0018:ffffc90004317710 EFLAGS: 00010202 [ 74.428059][ T5923] RAX: 0000000000000046 RBX: ffff88802887f800 RCX: dffffc0000000000 [ 74.437418][ T5923] RDX: 0000000000000000 RSI: ffffffff8dfc2dc2 RDI: 0000000000000230 [ 74.445755][ T5923] RBP: ffff8880288db090 R08: ffffffff9031c7f7 R09: 1ffffffff20638fe [ 74.454341][ T5923] R10: dffffc0000000000 R11: fffffbfff20638ff R12: ffff88807f65c840 [ 74.462823][ T5923] R13: ffff88807f65c810 R14: 0000000000000000 R15: ffff88807f65c800 [ 74.471149][ T5923] FS: 000055557b18e500(0000) GS:ffff888125359000(0000) knlGS:0000000000000000 [ 74.480928][ T5923] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.488732][ T5923] CR2: 00007fa16672ba40 CR3: 0000000029a4a000 CR4: 00000000003526f0 [ 74.497136][ T5923] Call Trace: [ 74.500522][ T5923] [ 74.503925][ T5923] cuse_channel_open+0x107/0x7c0 [ 74.509051][ T5923] ? __pfx_cuse_channel_open+0x10/0x10 [ 74.515134][ T5923] misc_open+0x2d5/0x350 [ 74.519480][ T5923] chrdev_open+0x4cd/0x5e0 [ 74.525256][ T5923] ? __pfx_chrdev_open+0x10/0x10 [ 74.532389][ T5923] ? fsnotify_open_perm_and_set_mode+0x135/0x6d0 [ 74.539956][ T5923] ? __pfx_chrdev_open+0x10/0x10 [ 74.546203][ T5923] do_dentry_open+0x785/0x14e0 [ 74.551373][ T5923] vfs_open+0x3b/0x340 [ 74.556558][ T5923] ? path_openat+0x2df0/0x3860 [ 74.562530][ T5923] path_openat+0x2e08/0x3860 [ 74.567581][ T5923] ? __pfx_stack_trace_save+0x10/0x10 [ 74.573117][ T5923] ? stack_depot_save_flags+0x33/0x810 [ 74.579089][ T5923] ? __pfx_path_openat+0x10/0x10 [ 74.584534][ T5923] ? __x64_sys_openat+0x138/0x170 [ 74.589731][ T5923] ? __lock_acquire+0x6b5/0x2cf0 [ 74.594978][ T5923] do_file_open+0x23e/0x4a0 [ 74.599585][ T5923] ? __pfx_do_file_open+0x10/0x10 [ 74.604918][ T5923] ? _raw_spin_unlock+0x28/0x50 [ 74.610019][ T5923] ? alloc_fd+0x64b/0x6c0 [ 74.615144][ T5923] do_sys_openat2+0x113/0x200 [ 74.619918][ T5923] ? __pfx_do_sys_openat2+0x10/0x10 [ 74.625732][ T5923] ? exc_page_fault+0x6a/0xc0 [ 74.631213][ T5923] ? do_user_addr_fault+0xc6f/0x1340 [ 74.637338][ T5923] __x64_sys_openat+0x138/0x170 [ 74.642876][ T5923] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.649535][ T5923] do_syscall_64+0x15f/0xf80 [ 74.654634][ T5923] ? trace_irq_disable+0x3b/0x140 [ 74.661147][ T5923] ? clear_bhb_loop+0x40/0x90 [ 74.666435][ T5923] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.673352][ T5923] RIP: 0033:0x7fa16679c819 [ 74.677872][ T5923] 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 [ 74.700071][ T5923] RSP: 002b:00007fff9058bce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 74.709627][ T5923] RAX: ffffffffffffffda RBX: 00007fa166a15fa0 RCX: 00007fa16679c819 [ 74.718720][ T5923] RDX: 0000000000000002 RSI: 0000200000000040 RDI: ffffffffffffff9c [ 74.727051][ T5923] RBP: 00007fa166832c91 R08: 0000000000000000 R09: 0000000000000000 [ 74.735551][ T5923] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 74.744299][ T5923] R13: 00007fa166a15fac R14: 00007fa166a15fa0 R15: 00007fa166a15fa0 [ 74.753149][ T5923] [ 74.756386][ T5923] Modules linked in: [ 74.761000][ T5923] ---[ end trace 0000000000000000 ]--- SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 74.901557][ T5923] RIP: 0010:fuse_dev_alloc_install+0x39/0x80 [ 74.909386][ T5923] 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 [ 74.932858][ T5923] RSP: 0018:ffffc90004317710 EFLAGS: 00010202 [ 74.989619][ T5923] RAX: 0000000000000046 RBX: ffff88802887f800 RCX: dffffc0000000000 [ 75.001640][ T5923] RDX: 0000000000000000 RSI: ffffffff8dfc2dc2 RDI: 0000000000000230 [ 75.012334][ T5923] RBP: ffff8880288db090 R08: ffffffff9031c7f7 R09: 1ffffffff20638fe [ 75.021053][ T5923] R10: dffffc0000000000 R11: fffffbfff20638ff R12: ffff88807f65c840 [ 75.035443][ T5923] R13: ffff88807f65c810 R14: 0000000000000000 R15: ffff88807f65c800 [ 75.047797][ T5923] FS: 000055557b18e500(0000) GS:ffff888125359000(0000) knlGS:0000000000000000 [ 75.060411][ T5923] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.068801][ T5923] CR2: 0000560d944dd010 CR3: 0000000029a4a000 CR4: 00000000003526f0 [ 75.081209][ T5923] Kernel panic - not syncing: Fatal exception [ 75.088247][ T5923] Kernel Offset: disabled [ 75.093709][ T5923] Rebooting in 86400 seconds..