last executing test programs: 1.024356636s ago: executing program 4 (id=250): kcmp(0x0, 0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff) 1.021232197s ago: executing program 4 (id=253): syz_init_net_socket$netrom(0x6, 0x5, 0x0) 972.699653ms ago: executing program 4 (id=259): ioprio_get$auto(0x0, 0x0) 920.94122ms ago: executing program 4 (id=264): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptmx', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ptmx', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ptmx', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ptmx', 0x800, 0x0) 872.791589ms ago: executing program 4 (id=275): set_robust_list(&(0x7f0000000000), 0x0) 825.351055ms ago: executing program 4 (id=280): rt_sigreturn() 441.44358ms ago: executing program 2 (id=332): inotify_rm_watch(0xffffffffffffffff, 0x0) 392.531724ms ago: executing program 2 (id=336): socket$inet6_udplite(0xa, 0x2, 0x88) 300.510388ms ago: executing program 2 (id=345): sync() 232.322032ms ago: executing program 1 (id=352): clock_adjtime(0x0, &(0x7f0000000000)) 231.491731ms ago: executing program 0 (id=354): sync_file_range(0xffffffffffffffff, 0x0, 0x0, 0x0) 205.762786ms ago: executing program 1 (id=355): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/kernel/mm/ksm/run', 0x1, 0x0) 205.598866ms ago: executing program 3 (id=356): mlock2(0x0, 0x0, 0x0) 189.685167ms ago: executing program 0 (id=357): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/v4l/by-path/platform-soc@0:qcom_cam-req-mgr-video-index0', 0x2, 0x0) 109.040833ms ago: executing program 0 (id=358): openat(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/commit_pending_bools', 0x1, 0x0) 108.927195ms ago: executing program 1 (id=359): chmod(&(0x7f0000000000), 0x0) 108.849031ms ago: executing program 3 (id=360): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vfio/vfio', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vfio/vfio', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vfio/vfio', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/vfio/vfio', 0x800, 0x0) 108.565914ms ago: executing program 0 (id=361): syz_open_dev$dri(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$dri(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$dri(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$dri(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$dri(&(0x7f0000000140), 0x1, 0x0) syz_open_dev$dri(&(0x7f0000000180), 0x1, 0x1) syz_open_dev$dri(&(0x7f00000001c0), 0x1, 0x2) syz_open_dev$dri(&(0x7f0000000200), 0x1, 0x800) syz_open_dev$dri(&(0x7f0000000240), 0x2, 0x0) syz_open_dev$dri(&(0x7f0000000280), 0x2, 0x1) syz_open_dev$dri(&(0x7f00000002c0), 0x2, 0x2) syz_open_dev$dri(&(0x7f0000000300), 0x2, 0x800) syz_open_dev$dri(&(0x7f0000000340), 0x3, 0x0) syz_open_dev$dri(&(0x7f0000000380), 0x3, 0x1) syz_open_dev$dri(&(0x7f00000003c0), 0x3, 0x2) syz_open_dev$dri(&(0x7f0000000400), 0x3, 0x800) syz_open_dev$dri(&(0x7f0000000440), 0x4, 0x0) syz_open_dev$dri(&(0x7f0000000480), 0x4, 0x1) syz_open_dev$dri(&(0x7f00000004c0), 0x4, 0x2) syz_open_dev$dri(&(0x7f0000000500), 0x4, 0x800) 108.494758ms ago: executing program 3 (id=362): socket$nl_crypto(0x10, 0x3, 0x15) 108.433031ms ago: executing program 1 (id=363): ioperm(0x0, 0x0, 0x0) 106.84603ms ago: executing program 3 (id=364): mq_notify(0xffffffffffffffff, &(0x7f0000000000)) 81.93313ms ago: executing program 1 (id=365): syz_open_dev$vivid(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$vivid(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$vivid(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$vivid(&(0x7f0000000100), 0x0, 0x800) 73.85342ms ago: executing program 3 (id=366): sched_setparam(0x0, &(0x7f0000000000)) 21.069828ms ago: executing program 2 (id=367): syz_open_dev$swradio(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$swradio(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$swradio(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$swradio(&(0x7f0000000100), 0x0, 0x800) 20.913364ms ago: executing program 0 (id=368): lsm_get_self_attr(0x0, &(0x7f0000000000), &(0x7f0000000000), 0x0) 20.859859ms ago: executing program 0 (id=369): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/uhid', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/uhid', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/uhid', 0x800, 0x0) 20.800707ms ago: executing program 3 (id=370): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/cuse', 0x2, 0x0) 20.707497ms ago: executing program 1 (id=371): mq_open(&(0x7f0000000000), 0x0, 0x0, &(0x7f0000000000)) 6.282867ms ago: executing program 2 (id=372): utime(&(0x7f0000000000), &(0x7f0000000000)) 0s ago: executing program 2 (id=373): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptp1', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ptp1', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ptp1', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ptp1', 0x800, 0x0) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.1.252' (ED25519) to the list of known hosts. [ 56.796320][ T5215] cgroup: Unknown subsys name 'net' [ 56.930977][ T5215] cgroup: Unknown subsys name 'cpuset' [ 56.940119][ T5215] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 58.276142][ T5215] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 60.951185][ T5342] mmap: syz.1.108 (5342) uses deprecated remap_file_pages() syscall. See Documentation/mm/remap_file_pages.rst. [ 62.549713][ T5571] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 62.593826][ T5573] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 62.912542][ T5603] Oops: general protection fault, probably for non-canonical address 0xdffffc000000000b: 0000 [#1] PREEMPT SMP KASAN PTI [ 62.925270][ T5603] KASAN: null-ptr-deref in range [0x0000000000000058-0x000000000000005f] [ 62.933725][ T5603] CPU: 1 UID: 0 PID: 5603 Comm: syz.3.370 Not tainted 6.11.0-rc7-next-20240913-syzkaller #0 [ 62.944083][ T5603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 62.954179][ T5603] RIP: 0010:fuse_get_req+0x699/0xd40 [ 62.959955][ T5603] Code: 24 50 48 83 c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 d5 d1 e9 fe 48 8b 1b 48 83 c3 58 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 b8 d1 e9 fe 48 8b 1b 81 e3 00 20 [ 62.979677][ T5603] RSP: 0018:ffffc900043974c0 EFLAGS: 00010202 [ 62.985853][ T5603] RAX: 000000000000000b RBX: 0000000000000058 RCX: ffffffff8314a332 [ 62.993821][ T5603] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff888021fd1030 [ 63.001786][ T5603] RBP: ffffc900043975e8 R08: ffff888021fd1037 R09: 1ffff110043fa206 [ 63.009747][ T5603] R10: dffffc0000000000 R11: ffffed10043fa207 R12: ffff888021fd1000 [ 63.017801][ T5603] R13: dffffc0000000000 R14: ffff88807ea45840 R15: ffff888021fd1000 [ 63.025765][ T5603] FS: 000055557cf00500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 63.034698][ T5603] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.041405][ T5603] CR2: 00007f32a3907040 CR3: 000000007be5c000 CR4: 00000000003506f0 [ 63.049659][ T5603] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.058162][ T5603] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.066245][ T5603] Call Trace: [ 63.069524][ T5603] [ 63.072452][ T5603] ? __die_body+0x5f/0xb0 [ 63.076784][ T5603] ? die_addr+0xb0/0xe0 [ 63.080927][ T5603] ? exc_general_protection+0x3dd/0x5d0 [ 63.086557][ T5603] ? asm_exc_general_protection+0x26/0x30 [ 63.092271][ T5603] ? fuse_get_req+0x602/0xd40 [ 63.096941][ T5603] ? fuse_get_req+0x699/0xd40 [ 63.101617][ T5603] ? __pfx_fuse_get_req+0x10/0x10 [ 63.106640][ T5603] fuse_simple_background+0x9d/0xb10 [ 63.111925][ T5603] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 63.117466][ T5603] cuse_channel_open+0x447/0x670 [ 63.122487][ T5603] ? __pfx_cuse_channel_open+0x10/0x10 [ 63.127955][ T5603] misc_open+0x2cc/0x340 [ 63.132191][ T5603] chrdev_open+0x521/0x600 [ 63.136688][ T5603] ? __pfx_apparmor_file_open+0x10/0x10 [ 63.142232][ T5603] ? __pfx_chrdev_open+0x10/0x10 [ 63.147252][ T5603] ? security_file_open+0x513/0x990 [ 63.152616][ T5603] ? __pfx_chrdev_open+0x10/0x10 [ 63.157631][ T5603] do_dentry_open+0x978/0x1460 [ 63.162479][ T5603] vfs_open+0x3e/0x330 [ 63.166563][ T5603] path_openat+0x2cb5/0x3b40 [ 63.171150][ T5603] ? mark_lock+0x9a/0x360 [ 63.175483][ T5603] ? __pfx_stack_trace_save+0x10/0x10 [ 63.180888][ T5603] ? __pfx_path_openat+0x10/0x10 [ 63.185812][ T5603] ? __lock_acquire+0x1384/0x2050 [ 63.190830][ T5603] do_filp_open+0x235/0x490 [ 63.195324][ T5603] ? __pfx_do_filp_open+0x10/0x10 [ 63.200429][ T5603] ? _raw_spin_unlock+0x28/0x50 [ 63.205274][ T5603] ? alloc_fd+0x5a1/0x640 [ 63.209618][ T5603] do_sys_openat2+0x13e/0x1d0 [ 63.214288][ T5603] ? __pfx_do_sys_openat2+0x10/0x10 [ 63.219481][ T5603] __x64_sys_openat+0x247/0x2a0 [ 63.224327][ T5603] ? __pfx___x64_sys_openat+0x10/0x10 [ 63.231927][ T5603] ? exc_page_fault+0x590/0x8c0 [ 63.236802][ T5603] ? do_syscall_64+0xb6/0x230 [ 63.241571][ T5603] do_syscall_64+0xf3/0x230 [ 63.246094][ T5603] ? clear_bhb_loop+0x35/0x90 [ 63.250886][ T5603] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 63.257077][ T5603] RIP: 0033:0x7f32a397def9 [ 63.261601][ T5603] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 [ 63.281309][ T5603] RSP: 002b:00007ffc357acde8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 63.289909][ T5603] RAX: ffffffffffffffda RBX: 00007f32a3b35f80 RCX: 00007f32a397def9 [ 63.297889][ T5603] RDX: 0000000000000002 RSI: 0000000020000040 RDI: ffffffffffffff9c [ 63.305945][ T5603] RBP: 00007f32a39f0b76 R08: 0000000000000000 R09: 0000000000000000 [ 63.314098][ T5603] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 63.322079][ T5603] R13: 00007f32a3b35f80 R14: 00007f32a3b35f80 R15: 0000000000000b44 [ 63.330066][ T5603] [ 63.333095][ T5603] Modules linked in: [ 63.337542][ T5603] ---[ end trace 0000000000000000 ]--- SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 63.480056][ T5514] coredump: 61(syz.4.280): interrupted: fatal signal pending [ 63.488789][ T5514] coredump: 61(syz.4.280): written to core: VMAs: 17, size 53436416; core: 21110736 bytes, pos 33255424 [ 63.579990][ T5603] RIP: 0010:fuse_get_req+0x699/0xd40 [ 63.585833][ T5603] Code: 24 50 48 83 c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 d5 d1 e9 fe 48 8b 1b 48 83 c3 58 48 89 d8 48 c1 e8 03 <42> 80 3c 28 00 74 08 48 89 df e8 b8 d1 e9 fe 48 8b 1b 81 e3 00 20 [ 63.606328][ T5603] RSP: 0018:ffffc900043974c0 EFLAGS: 00010202 [ 63.623538][ T5514] syz.4.280 (5514) used greatest stack depth: 18584 bytes left [ 63.638901][ T5603] [ 63.641256][ T5603] RAX: 000000000000000b RBX: 0000000000000058 RCX: ffffffff8314a332 [ 63.650162][ T5603] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff888021fd1030 [ 63.661453][ T5603] RBP: ffffc900043975e8 R08: ffff888021fd1037 R09: 1ffff110043fa206 [ 63.673572][ T5603] R10: dffffc0000000000 R11: ffffed10043fa207 R12: ffff888021fd1000 [ 63.691544][ T5603] R13: dffffc0000000000 R14: ffff88807ea45840 R15: ffff888021fd1000 [ 63.709948][ T5603] FS: 000055557cf00500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 63.724074][ T5603] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 63.735367][ T5603] CR2: 00007ffd0c5c9c78 CR3: 000000007be5c000 CR4: 00000000003506f0 [ 63.747903][ T5603] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 63.756127][ T5603] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.765555][ T5603] Kernel panic - not syncing: Fatal exception [ 63.772100][ T5603] Kernel Offset: disabled [ 63.776421][ T5603] Rebooting in 86400 seconds..