last executing test programs: 2.000776091s ago: executing program 3 (id=74): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snd/timer', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/snd/timer', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/snd/timer', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/snd/timer', 0x800, 0x0) 2.000169552s ago: executing program 3 (id=78): sched_yield() 1.955862974s ago: executing program 3 (id=83): io_uring_setup(0x0, &(0x7f0000000000)) 1.944447996s ago: executing program 3 (id=89): bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000000), 0x0) 1.899478705s ago: executing program 3 (id=96): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/fs/smackfs/logging', 0x2, 0x0) 1.84416355s ago: executing program 3 (id=99): pause() 184.212283ms ago: executing program 0 (id=293): getuid() 183.512437ms ago: executing program 0 (id=297): syz_init_net_socket$rose(0xb, 0x5, 0x0) 183.278571ms ago: executing program 1 (id=299): openat(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/avc/hash_stats', 0x0, 0x0) 164.021313ms ago: executing program 4 (id=301): 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) 119.396822ms ago: executing program 1 (id=303): openat(0xffffffffffffff9c, &(0x7f0000000080)='/sys/kernel/mm/transparent_hugepage/khugepaged/scan_sleep_millisecs', 0x1, 0x0) 119.308487ms ago: executing program 0 (id=304): sched_getattr(0x0, &(0x7f0000000000), 0x0, 0x0) 119.172871ms ago: executing program 4 (id=306): getxattr(&(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000), 0x0) 119.072185ms ago: executing program 1 (id=307): madvise(0x0, 0x0, 0x0) 118.839255ms ago: executing program 0 (id=309): vmsplice(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0) 66.744066ms ago: executing program 4 (id=310): socket$tipc(0x1e, 0x2, 0x0) 66.405284ms ago: executing program 1 (id=311): fsync(0xffffffffffffffff) 66.291974ms ago: executing program 0 (id=312): creat(&(0x7f0000000000), 0x0) 66.017917ms ago: executing program 4 (id=314): rename(&(0x7f0000000000), &(0x7f0000000000)) 65.948433ms ago: executing program 1 (id=315): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/binder', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/binder', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/binder', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/binder', 0x800, 0x0) 65.871246ms ago: executing program 4 (id=316): syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) 12.338194ms ago: executing program 0 (id=318): openat(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/validatetrans', 0x1, 0x0) 12.064423ms ago: executing program 1 (id=319): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/cuse', 0x2, 0x0) 11.873818ms ago: executing program 4 (id=320): socket$l2tp6(0xa, 0x2, 0x73) 11.779349ms ago: executing program 2 (id=321): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/fs/smackfs/direct', 0x2, 0x0) 11.690548ms ago: executing program 2 (id=322): utimes(&(0x7f0000000000), &(0x7f0000000000)) 11.508201ms ago: executing program 2 (id=323): syz_open_dev$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) 11.307021ms ago: executing program 2 (id=324): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/fs/smackfs/ambient', 0x2, 0x0) 6.294869ms ago: executing program 2 (id=325): lsm_set_self_attr(0x0, &(0x7f0000000000), 0x0, 0x0) 0s ago: executing program 2 (id=326): 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) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.0.170' (ED25519) to the list of known hosts. [ 49.549379][ T5216] cgroup: Unknown subsys name 'net' [ 49.654932][ T5216] cgroup: Unknown subsys name 'cpuset' [ 49.664438][ T5216] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 51.003418][ T5216] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 53.780091][ T5371] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 55.367664][ T5562] Oops: general protection fault, probably for non-canonical address 0xdffffc000000000b: 0000 [#1] PREEMPT SMP KASAN PTI [ 55.380393][ T5562] KASAN: null-ptr-deref in range [0x0000000000000058-0x000000000000005f] [ 55.388923][ T5562] CPU: 0 UID: 0 PID: 5562 Comm: syz.1.319 Not tainted 6.11.0-rc7-next-20240913-syzkaller #0 [ 55.399100][ T5562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 55.409346][ T5562] RIP: 0010:fuse_get_req+0x699/0xd40 [ 55.414683][ T5562] 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 [ 55.434485][ T5562] RSP: 0018:ffffc900042a74c0 EFLAGS: 00010202 [ 55.440554][ T5562] RAX: 000000000000000b RBX: 0000000000000058 RCX: ffffffff8314a332 [ 55.448519][ T5562] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff88802e96d030 [ 55.456481][ T5562] RBP: ffffc900042a75e8 R08: ffff88802e96d037 R09: 1ffff11005d2da06 [ 55.464531][ T5562] R10: dffffc0000000000 R11: ffffed1005d2da07 R12: ffff88802e96d000 [ 55.472513][ T5562] R13: dffffc0000000000 R14: ffff88807a857040 R15: ffff88802e96d000 [ 55.480575][ T5562] FS: 000055555c1a9500(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 55.489673][ T5562] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.496253][ T5562] CR2: 00007f616ff07040 CR3: 00000000242e0000 CR4: 00000000003506f0 [ 55.504302][ T5562] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.512270][ T5562] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.520238][ T5562] Call Trace: [ 55.523530][ T5562] [ 55.526450][ T5562] ? __die_body+0x5f/0xb0 [ 55.530810][ T5562] ? die_addr+0xb0/0xe0 [ 55.534956][ T5562] ? exc_general_protection+0x3dd/0x5d0 [ 55.540520][ T5562] ? asm_exc_general_protection+0x26/0x30 [ 55.546237][ T5562] ? fuse_get_req+0x602/0xd40 [ 55.550994][ T5562] ? fuse_get_req+0x699/0xd40 [ 55.555675][ T5562] ? __pfx_fuse_get_req+0x10/0x10 [ 55.560703][ T5562] fuse_simple_background+0x9d/0xb10 [ 55.565988][ T5562] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 55.571528][ T5562] cuse_channel_open+0x447/0x670 [ 55.576464][ T5562] ? __pfx_cuse_channel_open+0x10/0x10 [ 55.581924][ T5562] misc_open+0x2cc/0x340 [ 55.586177][ T5562] chrdev_open+0x521/0x600 [ 55.590586][ T5562] ? __pfx_apparmor_file_open+0x10/0x10 [ 55.596232][ T5562] ? __pfx_chrdev_open+0x10/0x10 [ 55.601180][ T5562] ? security_file_open+0x513/0x990 [ 55.606377][ T5562] ? __pfx_chrdev_open+0x10/0x10 [ 55.611321][ T5562] do_dentry_open+0x978/0x1460 [ 55.616172][ T5562] vfs_open+0x3e/0x330 [ 55.620243][ T5562] path_openat+0x2cb5/0x3b40 [ 55.624913][ T5562] ? mark_lock+0x9a/0x360 [ 55.629231][ T5562] ? __pfx_stack_trace_save+0x10/0x10 [ 55.634602][ T5562] ? __pfx_path_openat+0x10/0x10 [ 55.639612][ T5562] ? __lock_acquire+0x1384/0x2050 [ 55.644638][ T5562] do_filp_open+0x235/0x490 [ 55.649146][ T5562] ? __pfx_do_filp_open+0x10/0x10 [ 55.654165][ T5562] ? _raw_spin_unlock+0x28/0x50 [ 55.659043][ T5562] ? alloc_fd+0x5a1/0x640 [ 55.663367][ T5562] do_sys_openat2+0x13e/0x1d0 [ 55.668045][ T5562] ? __pfx_do_sys_openat2+0x10/0x10 [ 55.673265][ T5562] __x64_sys_openat+0x247/0x2a0 [ 55.678284][ T5562] ? __pfx___x64_sys_openat+0x10/0x10 [ 55.683661][ T5562] ? exc_page_fault+0x590/0x8c0 [ 55.688505][ T5562] ? do_syscall_64+0xb6/0x230 [ 55.693185][ T5562] do_syscall_64+0xf3/0x230 [ 55.697682][ T5562] ? clear_bhb_loop+0x35/0x90 [ 55.702588][ T5562] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 55.708475][ T5562] RIP: 0033:0x7f616ff7def9 [ 55.712888][ T5562] 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 [ 55.732762][ T5562] RSP: 002b:00007ffc49af3188 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 55.741185][ T5562] RAX: ffffffffffffffda RBX: 00007f6170135f80 RCX: 00007f616ff7def9 [ 55.749332][ T5562] RDX: 0000000000000002 RSI: 0000000020000040 RDI: ffffffffffffff9c [ 55.757313][ T5562] RBP: 00007f616fff0b76 R08: 0000000000000000 R09: 0000000000000000 [ 55.765295][ T5562] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 55.773258][ T5562] R13: 00007f6170135f80 R14: 00007f6170135f80 R15: 0000000000000b44 [ 55.781226][ T5562] [ 55.784242][ T5562] Modules linked in: [ 55.788470][ T5562] ---[ end trace 0000000000000000 ]--- SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 55.862049][ T5562] RIP: 0010:fuse_get_req+0x699/0xd40 [ 55.867570][ T5562] 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 [ 55.926728][ T5321] coredump: 18(syz.4.84): interrupted: fatal signal pending [ 55.931942][ T5562] RSP: 0018:ffffc900042a74c0 EFLAGS: 00010202 [ 55.939209][ T5321] coredump: 18(syz.4.84): written to core: VMAs: 17, size 53436416; core: 34078546 bytes, pos 46223360 [ 55.951129][ T5562] RAX: 000000000000000b RBX: 0000000000000058 RCX: ffffffff8314a332 [ 55.951152][ T5562] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff88802e96d030 [ 55.951164][ T5562] RBP: ffffc900042a75e8 R08: ffff88802e96d037 R09: 1ffff11005d2da06 [ 55.951178][ T5562] R10: dffffc0000000000 R11: ffffed1005d2da07 R12: ffff88802e96d000 [ 55.951190][ T5562] R13: dffffc0000000000 R14: ffff88807a857040 R15: ffff88802e96d000 [ 55.951204][ T5562] FS: 000055555c1a9500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 55.951228][ T5562] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.951242][ T5562] CR2: 0000556cc41500b8 CR3: 00000000242e0000 CR4: 00000000003506f0 [ 55.951258][ T5562] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.951270][ T5562] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.951286][ T5562] Kernel panic - not syncing: Fatal exception [ 56.036912][ T5562] Kernel Offset: disabled [ 56.041223][ T5562] Rebooting in 86400 seconds..