last executing test programs: 1.325210581s ago: executing program 2 (id=109): socket$pppl2tp(0x18, 0x1, 0x1) 1.306071151s ago: executing program 2 (id=113): stat(&(0x7f0000000000), &(0x7f0000000000)) 1.249689877s ago: executing program 2 (id=116): socket$inet6_udp(0xa, 0x2, 0x0) 1.248678261s ago: executing program 2 (id=121): getxattr(&(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000), 0x0) 1.181686168s ago: executing program 2 (id=125): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ttyprintk', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ttyprintk', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ttyprintk', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ttyprintk', 0x800, 0x0) 1.181202233s ago: executing program 2 (id=130): pause() 148.987727ms ago: executing program 0 (id=233): openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/reclaim', 0x1, 0x0) 148.886607ms ago: executing program 3 (id=234): ftruncate(0xffffffffffffffff, 0x0) 138.239602ms ago: executing program 1 (id=235): openat(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/relabel', 0x2, 0x0) 133.910151ms ago: executing program 3 (id=236): clock_gettime(0x0, &(0x7f0000000000)) 89.763044ms ago: executing program 0 (id=237): socket$inet_udp(0x2, 0x2, 0x0) 89.61001ms ago: executing program 1 (id=238): openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/net/pfkey', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/proc/self/net/pfkey', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self/net/pfkey', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/net/pfkey', 0x800, 0x0) 89.386492ms ago: executing program 0 (id=239): getresgid(&(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000)) 89.040234ms ago: executing program 3 (id=240): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/lightnvm/control', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/lightnvm/control', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/lightnvm/control', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/lightnvm/control', 0x800, 0x0) 86.540302ms ago: executing program 1 (id=241): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/kernel/btf/vmlinux', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/sys/kernel/btf/vmlinux', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/btf/vmlinux', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/sys/kernel/btf/vmlinux', 0x800, 0x0) 80.956943ms ago: executing program 0 (id=242): syz_open_dev$midi(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$midi(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$midi(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$midi(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$midi(&(0x7f0000000140), 0x1, 0x0) syz_open_dev$midi(&(0x7f0000000180), 0x1, 0x1) syz_open_dev$midi(&(0x7f00000001c0), 0x1, 0x2) syz_open_dev$midi(&(0x7f0000000200), 0x1, 0x800) syz_open_dev$midi(&(0x7f0000000240), 0x2, 0x0) syz_open_dev$midi(&(0x7f0000000280), 0x2, 0x1) syz_open_dev$midi(&(0x7f00000002c0), 0x2, 0x2) syz_open_dev$midi(&(0x7f0000000300), 0x2, 0x800) syz_open_dev$midi(&(0x7f0000000340), 0x3, 0x0) syz_open_dev$midi(&(0x7f0000000380), 0x3, 0x1) syz_open_dev$midi(&(0x7f00000003c0), 0x3, 0x2) syz_open_dev$midi(&(0x7f0000000400), 0x3, 0x800) syz_open_dev$midi(&(0x7f0000000440), 0x4, 0x0) syz_open_dev$midi(&(0x7f0000000480), 0x4, 0x1) syz_open_dev$midi(&(0x7f00000004c0), 0x4, 0x2) syz_open_dev$midi(&(0x7f0000000500), 0x4, 0x800) 61.324436ms ago: executing program 1 (id=243): sched_getattr(0x0, &(0x7f0000000000), 0x0, 0x0) 13.836778ms ago: executing program 3 (id=244): openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/asound/card0/oss_mixer', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/proc/asound/card0/oss_mixer', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/asound/card0/oss_mixer', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/asound/card0/oss_mixer', 0x800, 0x0) 13.696057ms ago: executing program 3 (id=245): pwritev2(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0, 0x0, 0x0) 13.576939ms ago: executing program 1 (id=246): socket$nl_audit(0x10, 0x3, 0x9) 13.244147ms ago: executing program 0 (id=247): openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sys/fs/binfmt_misc/syz0', 0x2, 0x0) 13.154162ms ago: executing program 0 (id=248): socket$caif_stream(0x25, 0x1, 0x0) 2.743252ms ago: executing program 3 (id=249): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/cuse', 0x2, 0x0) 0s ago: executing program 1 (id=250): set_robust_list(&(0x7f0000000000), 0x0) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.1.125' (ED25519) to the list of known hosts. [ 65.905219][ T5824] cgroup: Unknown subsys name 'net' [ 66.019379][ T5824] cgroup: Unknown subsys name 'cpuset' [ 66.028901][ T5824] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 67.362896][ T5824] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 71.559380][ T1315] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.567147][ T1315] ieee802154 phy1 wpan1: encryption failed: -22 [ 74.669575][ T6103] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000046: 0000 [#1] SMP KASAN PTI [ 74.681817][ T6103] KASAN: null-ptr-deref in range [0x0000000000000230-0x0000000000000237] [ 74.690433][ T6103] CPU: 0 UID: 0 PID: 6103 Comm: syz.3.249 Not tainted syzkaller #0 PREEMPT(full) [ 74.700081][ T6103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 74.710816][ T6103] RIP: 0010:fuse_dev_alloc_install+0x39/0x80 [ 74.717346][ T6103] Code: e8 bc f8 ff ff 48 89 c3 48 85 c0 74 47 e8 8f 2a 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 3c 75 e9 fe 49 8b 96 30 02 00 00 49 c7 86 30 [ 74.738287][ T6103] RSP: 0018:ffffc900044e7710 EFLAGS: 00010202 [ 74.744817][ T6103] RAX: 0000000000000046 RBX: ffff8880341e5d00 RCX: dffffc0000000000 [ 74.753536][ T6103] RDX: 0000000000000000 RSI: ffffffff8e31e6cb RDI: 0000000000000230 [ 74.762074][ T6103] RBP: ffff88802a61ee90 R08: ffffffff907547f7 R09: 1ffffffff20ea8fe [ 74.770751][ T6103] R10: dffffc0000000000 R11: fffffbfff20ea8ff R12: ffff88802ad47040 [ 74.779090][ T6103] R13: ffff88802ad47010 R14: 0000000000000000 R15: ffff88802ad47000 [ 74.787289][ T6103] FS: 0000555557462500(0000) GS:ffff888124dc9000(0000) knlGS:0000000000000000 [ 74.796671][ T6103] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.803599][ T6103] CR2: 0000001b31563fff CR3: 000000007b86a000 CR4: 00000000003526f0 [ 74.811906][ T6103] Call Trace: [ 74.815267][ T6103] [ 74.818283][ T6103] cuse_channel_open+0x107/0x7c0 [ 74.823583][ T6103] ? __pfx_cuse_channel_open+0x10/0x10 [ 74.829641][ T6103] misc_open+0x2d5/0x350 [ 74.834138][ T6103] chrdev_open+0x4cd/0x5e0 [ 74.838816][ T6103] ? __pfx_chrdev_open+0x10/0x10 [ 74.843848][ T6103] ? fsnotify_open_perm_and_set_mode+0x135/0x6d0 [ 74.850521][ T6103] ? __pfx_chrdev_open+0x10/0x10 [ 74.855887][ T6103] do_dentry_open+0x785/0x14e0 [ 74.860655][ T6103] vfs_open+0x3b/0x340 [ 74.864951][ T6103] ? path_openat+0x2df0/0x3860 [ 74.870145][ T6103] path_openat+0x2e08/0x3860 [ 74.875113][ T6103] ? __pfx_stack_trace_save+0x10/0x10 [ 74.880580][ T6103] ? stack_depot_save_flags+0x33/0x810 [ 74.886202][ T6103] ? __pfx_path_openat+0x10/0x10 [ 74.891382][ T6103] ? __x64_sys_openat+0x138/0x170 [ 74.896834][ T6103] ? __lock_acquire+0x6b5/0x2cf0 [ 74.902128][ T6103] do_file_open+0x23e/0x4a0 [ 74.906910][ T6103] ? __pfx_do_file_open+0x10/0x10 [ 74.912044][ T6103] ? _raw_spin_unlock+0x28/0x50 [ 74.917168][ T6103] ? alloc_fd+0x64b/0x6c0 [ 74.921846][ T6103] do_sys_openat2+0x113/0x200 [ 74.927087][ T6103] ? __pfx_do_sys_openat2+0x10/0x10 [ 74.932465][ T6103] ? exc_page_fault+0x6a/0xc0 [ 74.937215][ T6103] ? do_user_addr_fault+0xc6f/0x1340 [ 74.943099][ T6103] __x64_sys_openat+0x138/0x170 [ 74.948027][ T6103] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.954752][ T6103] do_syscall_64+0x15f/0xf80 [ 74.959593][ T6103] ? trace_irq_disable+0x3b/0x140 [ 74.964931][ T6103] ? clear_bhb_loop+0x40/0x90 [ 74.969699][ T6103] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.976157][ T6103] RIP: 0033:0x7f650b19c819 [ 74.981286][ T6103] 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 [ 75.002388][ T6103] RSP: 002b:00007fff96804588 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 75.011082][ T6103] RAX: ffffffffffffffda RBX: 00007f650b415fa0 RCX: 00007f650b19c819 SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 75.019223][ T6103] RDX: 0000000000000002 RSI: 0000200000000040 RDI: ffffffffffffff9c [ 75.027561][ T6103] RBP: 00007f650b232c91 R08: 0000000000000000 R09: 0000000000000000 [ 75.035695][ T6103] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 75.044010][ T6103] R13: 00007f650b415fac R14: 00007f650b415fa0 R15: 00007f650b415fa0 [ 75.052246][ T6103] [ 75.055526][ T6103] Modules linked in: [ 75.060072][ T6103] ---[ end trace 0000000000000000 ]--- [ 75.184997][ T6103] RIP: 0010:fuse_dev_alloc_install+0x39/0x80 [ 75.259305][ T6103] Code: e8 bc f8 ff ff 48 89 c3 48 85 c0 74 47 e8 8f 2a 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 3c 75 e9 fe 49 8b 96 30 02 00 00 49 c7 86 30 [ 75.290247][ T6103] RSP: 0018:ffffc900044e7710 EFLAGS: 00010202 [ 75.300086][ T6103] RAX: 0000000000000046 RBX: ffff8880341e5d00 RCX: dffffc0000000000 [ 75.317290][ T6103] RDX: 0000000000000000 RSI: ffffffff8e31e6cb RDI: 0000000000000230 [ 75.326262][ T6103] RBP: ffff88802a61ee90 R08: ffffffff907547f7 R09: 1ffffffff20ea8fe [ 75.334712][ T6103] R10: dffffc0000000000 R11: fffffbfff20ea8ff R12: ffff88802ad47040 [ 75.343887][ T6103] R13: ffff88802ad47010 R14: 0000000000000000 R15: ffff88802ad47000 [ 75.352672][ T6103] FS: 0000555557462500(0000) GS:ffff888124ec9000(0000) knlGS:0000000000000000 [ 75.362750][ T6103] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.370377][ T6103] CR2: 000055a8dec50498 CR3: 000000007b86a000 CR4: 00000000003526f0 [ 75.379229][ T6103] Kernel panic - not syncing: Fatal exception [ 75.386146][ T6103] Kernel Offset: disabled [ 75.390756][ T6103] Rebooting in 86400 seconds..