last executing test programs: 2.333504802s ago: executing program 0 (id=368): 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) 2.241457954s ago: executing program 0 (id=375): socket$inet_icmp_raw(0x2, 0x3, 0x1) 2.240701939s ago: executing program 0 (id=380): mprotect(0x0, 0x0, 0x0) 2.165566559s ago: executing program 0 (id=384): getresuid(&(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000)) 2.164645537s ago: executing program 0 (id=389): syz_init_net_socket$bt_bnep(0x1f, 0x3, 0x4) 2.084975345s ago: executing program 0 (id=394): rt_sigreturn() 1.001519521s ago: executing program 1 (id=476): tkill(0x0, 0x0) 1.001221041s ago: executing program 1 (id=478): chdir(&(0x7f0000000000)) 1.000416095s ago: executing program 1 (id=480): shmget(0xffffffffffffffff, 0x0, 0x0, 0x0) 1.000267996s ago: executing program 1 (id=481): epoll_create(0x0) 958.10839ms ago: executing program 1 (id=484): lremovexattr(&(0x7f0000000000), &(0x7f0000000000)) 897.327758ms ago: executing program 1 (id=487): pause() 381.386972ms ago: executing program 2 (id=525): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/kernel/debug/binder/failed_transaction_log', 0x0, 0x0) 381.047336ms ago: executing program 2 (id=527): flistxattr(0xffffffffffffffff, &(0x7f0000000000), 0x0) 365.343147ms ago: executing program 2 (id=529): syz_open_dev$sg(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$sg(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$sg(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$sg(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$sg(&(0x7f0000000140), 0x1, 0x0) syz_open_dev$sg(&(0x7f0000000180), 0x1, 0x1) syz_open_dev$sg(&(0x7f00000001c0), 0x1, 0x2) syz_open_dev$sg(&(0x7f0000000200), 0x1, 0x800) syz_open_dev$sg(&(0x7f0000000240), 0x2, 0x0) syz_open_dev$sg(&(0x7f0000000280), 0x2, 0x1) syz_open_dev$sg(&(0x7f00000002c0), 0x2, 0x2) syz_open_dev$sg(&(0x7f0000000300), 0x2, 0x800) syz_open_dev$sg(&(0x7f0000000340), 0x3, 0x0) syz_open_dev$sg(&(0x7f0000000380), 0x3, 0x1) syz_open_dev$sg(&(0x7f00000003c0), 0x3, 0x2) syz_open_dev$sg(&(0x7f0000000400), 0x3, 0x800) syz_open_dev$sg(&(0x7f0000000440), 0x4, 0x0) syz_open_dev$sg(&(0x7f0000000480), 0x4, 0x1) syz_open_dev$sg(&(0x7f00000004c0), 0x4, 0x2) syz_open_dev$sg(&(0x7f0000000500), 0x4, 0x800) 281.273047ms ago: executing program 2 (id=532): socket$inet_udplite(0x2, 0x2, 0x88) 209.384074ms ago: executing program 3 (id=538): lsm_get_self_attr(0x0, &(0x7f0000000000), &(0x7f0000000000), 0x0) 182.682904ms ago: executing program 3 (id=540): syz_open_dev$dmmidi(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$dmmidi(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$dmmidi(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$dmmidi(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$dmmidi(&(0x7f0000000140), 0x1, 0x0) syz_open_dev$dmmidi(&(0x7f0000000180), 0x1, 0x1) syz_open_dev$dmmidi(&(0x7f00000001c0), 0x1, 0x2) syz_open_dev$dmmidi(&(0x7f0000000200), 0x1, 0x800) syz_open_dev$dmmidi(&(0x7f0000000240), 0x2, 0x0) syz_open_dev$dmmidi(&(0x7f0000000280), 0x2, 0x1) syz_open_dev$dmmidi(&(0x7f00000002c0), 0x2, 0x2) syz_open_dev$dmmidi(&(0x7f0000000300), 0x2, 0x800) syz_open_dev$dmmidi(&(0x7f0000000340), 0x3, 0x0) syz_open_dev$dmmidi(&(0x7f0000000380), 0x3, 0x1) syz_open_dev$dmmidi(&(0x7f00000003c0), 0x3, 0x2) syz_open_dev$dmmidi(&(0x7f0000000400), 0x3, 0x800) syz_open_dev$dmmidi(&(0x7f0000000440), 0x4, 0x0) syz_open_dev$dmmidi(&(0x7f0000000480), 0x4, 0x1) syz_open_dev$dmmidi(&(0x7f00000004c0), 0x4, 0x2) syz_open_dev$dmmidi(&(0x7f0000000500), 0x4, 0x800) 125.457941ms ago: executing program 4 (id=541): sched_getscheduler(0x0) 125.304426ms ago: executing program 4 (id=542): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/fuse', 0x2, 0x0) 125.059637ms ago: executing program 3 (id=543): syz_init_net_socket$netrom(0x6, 0x5, 0x0) 102.903388ms ago: executing program 4 (id=544): timer_getoverrun(0x0) 85.361998ms ago: executing program 3 (id=545): socket$inet_smc(0x2b, 0x1, 0x0) 21.282995ms ago: executing program 4 (id=546): socket$inet_sctp(0x2, 0x1, 0x84) 21.178956ms ago: executing program 3 (id=547): sched_getattr(0x0, &(0x7f0000000000), 0x0, 0x0) 21.06983ms ago: executing program 2 (id=548): syz_init_net_socket$bt_hidp(0x1f, 0x3, 0x6) 21.030911ms ago: executing program 4 (id=549): io_submit(0x0, 0x0, &(0x7f0000000000)) 12.136552ms ago: executing program 2 (id=550): syz_open_dev$MSR(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$MSR(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$MSR(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$MSR(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$MSR(&(0x7f0000000140), 0x1, 0x0) syz_open_dev$MSR(&(0x7f0000000180), 0x1, 0x1) syz_open_dev$MSR(&(0x7f00000001c0), 0x1, 0x2) syz_open_dev$MSR(&(0x7f0000000200), 0x1, 0x800) syz_open_dev$MSR(&(0x7f0000000240), 0x2, 0x0) syz_open_dev$MSR(&(0x7f0000000280), 0x2, 0x1) syz_open_dev$MSR(&(0x7f00000002c0), 0x2, 0x2) syz_open_dev$MSR(&(0x7f0000000300), 0x2, 0x800) syz_open_dev$MSR(&(0x7f0000000340), 0x3, 0x0) syz_open_dev$MSR(&(0x7f0000000380), 0x3, 0x1) syz_open_dev$MSR(&(0x7f00000003c0), 0x3, 0x2) syz_open_dev$MSR(&(0x7f0000000400), 0x3, 0x800) syz_open_dev$MSR(&(0x7f0000000440), 0x4, 0x0) syz_open_dev$MSR(&(0x7f0000000480), 0x4, 0x1) syz_open_dev$MSR(&(0x7f00000004c0), 0x4, 0x2) syz_open_dev$MSR(&(0x7f0000000500), 0x4, 0x800) 11.986722ms ago: executing program 3 (id=551): rt_sigprocmask(0x0, &(0x7f0000000000), 0x0, 0x0) 0s ago: executing program 4 (id=552): tgkill(0x0, 0x0, 0x0) 0s ago: executing program 3 (id=553): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/cuse', 0x2, 0x0) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.0.223' (ED25519) to the list of known hosts. [ 64.444832][ T5828] cgroup: Unknown subsys name 'net' [ 64.550390][ T5828] cgroup: Unknown subsys name 'cpuset' [ 64.558837][ T5828] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 66.026873][ T5828] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 68.910494][ T5947] mmap: syz.2.92 (5947) uses deprecated remap_file_pages() syscall. See Documentation/mm/remap_file_pages.rst. [ 71.382722][ T1315] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.390642][ T1315] ieee802154 phy1 wpan1: encryption failed: -22 [ 73.746100][ T6425] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000046: 0000 [#1] SMP KASAN PTI [ 73.758037][ T6425] KASAN: null-ptr-deref in range [0x0000000000000230-0x0000000000000237] [ 73.766480][ T6425] CPU: 0 UID: 0 PID: 6425 Comm: syz.3.553 Not tainted syzkaller #0 PREEMPT(full) [ 73.775684][ T6425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 73.785841][ T6425] RIP: 0010:fuse_dev_alloc_install+0x39/0x80 [ 73.792025][ T6425] 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 [ 73.811907][ T6425] RSP: 0018:ffffc900050f7710 EFLAGS: 00010202 [ 73.818056][ T6425] RAX: 0000000000000046 RBX: ffff8880761abd00 RCX: dffffc0000000000 [ 73.826016][ T6425] RDX: 0000000000000000 RSI: ffffffff8dfd108f RDI: 0000000000000230 [ 73.833977][ T6425] RBP: ffff8880257afe90 R08: ffffffff903318f7 R09: 1ffffffff206631e [ 73.842022][ T6425] R10: dffffc0000000000 R11: fffffbfff206631f R12: ffff888029487840 [ 73.849980][ T6425] R13: ffff888029487810 R14: 0000000000000000 R15: ffff888029487800 [ 73.857941][ T6425] FS: 000055556de71500(0000) GS:ffff888125228000(0000) knlGS:0000000000000000 [ 73.866947][ T6425] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 73.873526][ T6425] CR2: 00007fa9faf2ba40 CR3: 000000007e016000 CR4: 00000000003526f0 [ 73.881605][ T6425] Call Trace: [ 73.884984][ T6425] [ 73.887903][ T6425] cuse_channel_open+0x107/0x7c0 [ 73.892845][ T6425] ? __pfx_cuse_channel_open+0x10/0x10 [ 73.898294][ T6425] misc_open+0x2d5/0x350 [ 73.902531][ T6425] chrdev_open+0x4cd/0x5e0 [ 73.907023][ T6425] ? __pfx_chrdev_open+0x10/0x10 [ 73.911949][ T6425] ? fsnotify_open_perm_and_set_mode+0x135/0x6d0 [ 73.918359][ T6425] ? __pfx_chrdev_open+0x10/0x10 [ 73.923281][ T6425] do_dentry_open+0x785/0x14e0 [ 73.928038][ T6425] vfs_open+0x3b/0x340 [ 73.932103][ T6425] ? path_openat+0x2df0/0x3860 [ 73.936877][ T6425] path_openat+0x2e08/0x3860 [ 73.941465][ T6425] ? __pfx_stack_trace_save+0x10/0x10 [ 73.946917][ T6425] ? stack_depot_save_flags+0x33/0x810 [ 73.952374][ T6425] ? __pfx_path_openat+0x10/0x10 [ 73.957323][ T6425] ? __x64_sys_openat+0x138/0x170 [ 73.962425][ T6425] ? __lock_acquire+0x6b5/0x2cf0 [ 73.967360][ T6425] do_file_open+0x23e/0x4a0 [ 73.971851][ T6425] ? __pfx_do_file_open+0x10/0x10 [ 73.976870][ T6425] ? _raw_spin_unlock+0x28/0x50 [ 73.981717][ T6425] ? alloc_fd+0x64b/0x6c0 [ 73.986042][ T6425] do_sys_openat2+0x113/0x200 [ 73.990709][ T6425] ? __pfx_do_sys_openat2+0x10/0x10 [ 73.995896][ T6425] ? exc_page_fault+0x6a/0xc0 [ 74.000562][ T6425] ? do_user_addr_fault+0xc6f/0x1340 [ 74.005840][ T6425] __x64_sys_openat+0x138/0x170 [ 74.010683][ T6425] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.016736][ T6425] do_syscall_64+0x15f/0xf80 [ 74.021310][ T6425] ? trace_irq_disable+0x3b/0x140 [ 74.026412][ T6425] ? clear_bhb_loop+0x40/0x90 [ 74.031083][ T6425] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.037075][ T6425] RIP: 0033:0x7fa9faf9c819 [ 74.041491][ T6425] 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 [ 74.061083][ T6425] RSP: 002b:00007ffc1e33f9a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 74.069486][ T6425] RAX: ffffffffffffffda RBX: 00007fa9fb215fa0 RCX: 00007fa9faf9c819 [ 74.077459][ T6425] RDX: 0000000000000002 RSI: 0000200000000040 RDI: ffffffffffffff9c [ 74.085420][ T6425] RBP: 00007fa9fb032c91 R08: 0000000000000000 R09: 0000000000000000 [ 74.093470][ T6425] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 74.101437][ T6425] R13: 00007fa9fb215fac R14: 00007fa9fb215fa0 R15: 00007fa9fb215fa0 [ 74.109538][ T6425] [ 74.112560][ T6425] Modules linked in: [ 74.117466][ T6425] ---[ end trace 0000000000000000 ]--- SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 74.364884][ T6425] RIP: 0010:fuse_dev_alloc_install+0x39/0x80 [ 74.393336][ T6425] 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 [ 74.419088][ T6425] RSP: 0018:ffffc900050f7710 EFLAGS: 00010202 [ 74.425224][ T6425] RAX: 0000000000000046 RBX: ffff8880761abd00 RCX: dffffc0000000000 [ 74.479017][ T6425] RDX: 0000000000000000 RSI: ffffffff8dfd108f RDI: 0000000000000230 [ 74.487783][ T6425] RBP: ffff8880257afe90 R08: ffffffff903318f7 R09: 1ffffffff206631e [ 74.496812][ T6425] R10: dffffc0000000000 R11: fffffbfff206631f R12: ffff888029487840 [ 74.520182][ T6425] R13: ffff888029487810 R14: 0000000000000000 R15: ffff888029487800 [ 74.537507][ T6425] FS: 000055556de71500(0000) GS:ffff888125228000(0000) knlGS:0000000000000000 [ 74.556540][ T6425] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.569261][ T6425] CR2: 00007ffcfba72fc8 CR3: 000000007e016000 CR4: 00000000003526f0 [ 74.601167][ T6425] Kernel panic - not syncing: Fatal exception [ 74.607842][ T6425] Kernel Offset: disabled [ 74.612163][ T6425] Rebooting in 86400 seconds..