last executing test programs: 1.468090665s ago: executing program 0 (id=202): fchownat(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0, 0x0) 1.429441183s ago: executing program 0 (id=207): fsmount(0xffffffffffffffff, 0x0, 0x0) 1.384659138s ago: executing program 0 (id=211): lstat(&(0x7f0000000000), &(0x7f0000000000)) 1.345951728s ago: executing program 0 (id=217): timer_create(0x0, &(0x7f0000000000), &(0x7f0000000000)) 1.345185297s ago: executing program 0 (id=223): set_tid_address(&(0x7f0000000000)) 1.302303138s ago: executing program 0 (id=227): rt_sigreturn() 583.771614ms ago: executing program 4 (id=314): openat(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/commit_pending_bools', 0x1, 0x0) 541.986792ms ago: executing program 4 (id=319): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dsp', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dsp', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dsp', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/dsp', 0x800, 0x0) 474.999715ms ago: executing program 4 (id=323): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/fs/smackfs/load', 0x2, 0x0) 474.540832ms ago: executing program 4 (id=325): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/iommu', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/iommu', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/iommu', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/iommu', 0x800, 0x0) 426.771397ms ago: executing program 4 (id=330): madvise(0x0, 0x0, 0x0) 426.334262ms ago: executing program 4 (id=333): pause() 368.146847ms ago: executing program 2 (id=340): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/fs/smackfs/change-rule', 0x2, 0x0) 367.946556ms ago: executing program 2 (id=342): request_key(&(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000), 0x0) 307.088787ms ago: executing program 2 (id=344): syz_open_dev$audion(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$audion(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$audion(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$audion(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$audion(&(0x7f0000000140), 0x1, 0x0) syz_open_dev$audion(&(0x7f0000000180), 0x1, 0x1) syz_open_dev$audion(&(0x7f00000001c0), 0x1, 0x2) syz_open_dev$audion(&(0x7f0000000200), 0x1, 0x800) syz_open_dev$audion(&(0x7f0000000240), 0x2, 0x0) syz_open_dev$audion(&(0x7f0000000280), 0x2, 0x1) syz_open_dev$audion(&(0x7f00000002c0), 0x2, 0x2) syz_open_dev$audion(&(0x7f0000000300), 0x2, 0x800) syz_open_dev$audion(&(0x7f0000000340), 0x3, 0x0) syz_open_dev$audion(&(0x7f0000000380), 0x3, 0x1) syz_open_dev$audion(&(0x7f00000003c0), 0x3, 0x2) syz_open_dev$audion(&(0x7f0000000400), 0x3, 0x800) syz_open_dev$audion(&(0x7f0000000440), 0x4, 0x0) syz_open_dev$audion(&(0x7f0000000480), 0x4, 0x1) syz_open_dev$audion(&(0x7f00000004c0), 0x4, 0x2) syz_open_dev$audion(&(0x7f0000000500), 0x4, 0x800) 135.139241ms ago: executing program 1 (id=359): socket$packet(0x11, 0x2, 0x300) 134.949667ms ago: executing program 1 (id=361): socket$pppl2tp(0x18, 0x1, 0x1) 131.535566ms ago: executing program 1 (id=363): get_thread_area(&(0x7f0000000000)) 80.789114ms ago: executing program 1 (id=365): openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/keys', 0x0, 0x0) 80.608481ms ago: executing program 2 (id=366): timerfd_gettime(0xffffffffffffffff, &(0x7f0000000000)) 80.496387ms ago: executing program 3 (id=367): setpriority(0x0, 0x0, 0x0) 79.871448ms ago: executing program 1 (id=368): set_mempolicy(0x0, &(0x7f0000000000), 0x0) 79.711758ms ago: executing program 3 (id=369): openat(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/status', 0x0, 0x0) 79.564371ms ago: executing program 2 (id=370): renameat(0xffffffffffffffff, &(0x7f0000000000), 0xffffffffffffffff, &(0x7f0000000000)) 35.213272ms ago: executing program 3 (id=371): link(&(0x7f0000000000), &(0x7f0000000000)) 34.995634ms ago: executing program 1 (id=372): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/cuse', 0x2, 0x0) 34.922448ms ago: executing program 3 (id=373): fdatasync(0xffffffffffffffff) 34.698921ms ago: executing program 2 (id=374): readahead(0xffffffffffffffff, 0x0, 0x0) 6.311156ms ago: executing program 3 (id=375): geteuid() 0s ago: executing program 3 (id=376): tkill(0x0, 0x0) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.1.136' (ED25519) to the list of known hosts. [ 49.441538][ T5215] cgroup: Unknown subsys name 'net' [ 49.567597][ T5215] cgroup: Unknown subsys name 'cpuset' [ 49.575685][ T5215] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 50.980409][ T5215] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 55.497348][ T5611] Oops: general protection fault, probably for non-canonical address 0xdffffc000000000b: 0000 [#1] PREEMPT SMP KASAN PTI [ 55.509989][ T5611] KASAN: null-ptr-deref in range [0x0000000000000058-0x000000000000005f] [ 55.518518][ T5611] CPU: 1 UID: 0 PID: 5611 Comm: syz.1.372 Not tainted 6.11.0-next-20240917-syzkaller #0 [ 55.528346][ T5611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 [ 55.538431][ T5611] RIP: 0010:fuse_get_req+0x699/0xd40 SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 55.543764][ T5611] 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 15 ea 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 f8 e9 e9 fe 48 8b 1b 81 e3 00 20 [ 55.563394][ T5611] RSP: 0018:ffffc900045e74c0 EFLAGS: 00010202 [ 55.569485][ T5611] RAX: 000000000000000b RBX: 0000000000000058 RCX: ffffffff8314d552 [ 55.577473][ T5611] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff888024f01030 [ 55.585438][ T5611] RBP: ffffc900045e75e8 R08: ffff888024f01037 R09: 1ffff110049e0206 [ 55.593482][ T5611] R10: dffffc0000000000 R11: ffffed10049e0207 R12: ffff888024f01000 [ 55.601462][ T5611] R13: dffffc0000000000 R14: ffff888078a78840 R15: ffff888024f01000 [ 55.609437][ T5611] FS: 000055558ca04500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 55.618377][ T5611] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.624959][ T5611] CR2: 00007f6e59707040 CR3: 0000000027406000 CR4: 00000000003506f0 [ 55.632985][ T5611] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.641203][ T5611] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.649158][ T5611] Call Trace: [ 55.652426][ T5611] [ 55.655345][ T5611] ? __die_body+0x5f/0xb0 [ 55.659749][ T5611] ? die_addr+0xb0/0xe0 [ 55.663901][ T5611] ? exc_general_protection+0x3dd/0x5d0 [ 55.669539][ T5611] ? asm_exc_general_protection+0x26/0x30 [ 55.675252][ T5611] ? fuse_get_req+0x602/0xd40 [ 55.680099][ T5611] ? fuse_get_req+0x699/0xd40 [ 55.684776][ T5611] ? __pfx_fuse_get_req+0x10/0x10 [ 55.689882][ T5611] fuse_simple_background+0x9d/0xb10 [ 55.695246][ T5611] ? __kmalloc_cache_noprof+0x19c/0x2c0 [ 55.700783][ T5611] cuse_channel_open+0x447/0x670 [ 55.705733][ T5611] ? __pfx_cuse_channel_open+0x10/0x10 [ 55.711186][ T5611] misc_open+0x2cc/0x340 [ 55.715419][ T5611] chrdev_open+0x521/0x600 [ 55.719911][ T5611] ? __pfx_apparmor_file_open+0x10/0x10 [ 55.725725][ T5611] ? __pfx_chrdev_open+0x10/0x10 [ 55.730685][ T5611] ? security_file_open+0x513/0x990 [ 55.735874][ T5611] ? __pfx_chrdev_open+0x10/0x10 [ 55.741061][ T5611] do_dentry_open+0x978/0x1460 [ 55.745816][ T5611] vfs_open+0x3e/0x330 [ 55.749962][ T5611] path_openat+0x2cb5/0x3b40 [ 55.754565][ T5611] ? mark_lock+0x9a/0x360 [ 55.758965][ T5611] ? __pfx_stack_trace_save+0x10/0x10 [ 55.764381][ T5611] ? __pfx_path_openat+0x10/0x10 [ 55.769303][ T5611] ? __lock_acquire+0x1384/0x2050 [ 55.774318][ T5611] do_filp_open+0x235/0x490 [ 55.778819][ T5611] ? __pfx_do_filp_open+0x10/0x10 [ 55.783834][ T5611] ? _raw_spin_unlock+0x28/0x50 [ 55.788676][ T5611] ? alloc_fd+0x5a1/0x640 [ 55.793009][ T5611] do_sys_openat2+0x13e/0x1d0 [ 55.797678][ T5611] ? __pfx_do_sys_openat2+0x10/0x10 [ 55.803159][ T5611] __x64_sys_openat+0x247/0x2a0 [ 55.808000][ T5611] ? __pfx___x64_sys_openat+0x10/0x10 [ 55.813371][ T5611] ? exc_page_fault+0x590/0x8c0 [ 55.818224][ T5611] ? do_syscall_64+0xb6/0x230 [ 55.822886][ T5611] do_syscall_64+0xf3/0x230 [ 55.827383][ T5611] ? clear_bhb_loop+0x35/0x90 [ 55.832047][ T5611] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 55.837938][ T5611] RIP: 0033:0x7f6e5977def9 [ 55.842356][ T5611] 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 [ 55.861988][ T5611] RSP: 002b:00007fffae9c14a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 55.870407][ T5611] RAX: ffffffffffffffda RBX: 00007f6e59935f80 RCX: 00007f6e5977def9 [ 55.878371][ T5611] RDX: 0000000000000002 RSI: 0000000020000040 RDI: ffffffffffffff9c [ 55.886337][ T5611] RBP: 00007f6e597f0b76 R08: 0000000000000000 R09: 0000000000000000 [ 55.894383][ T5611] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 55.902603][ T5611] R13: 00007f6e59935f80 R14: 00007f6e59935f80 R15: 0000000000000b44 [ 55.910598][ T5611] [ 55.913776][ T5611] Modules linked in: [ 55.918250][ T5611] ---[ end trace 0000000000000000 ]--- [ 55.934963][ T5463] coredump: 49(syz.0.227): interrupted: fatal signal pending [ 55.942396][ T5463] coredump: 49(syz.0.227): Error writing out the process memory [ 55.955581][ T5463] coredump: 49(syz.0.227): written to core: VMAs: 17, size 53436416; core: 20971472 bytes, pos 33116160 [ 56.016649][ T5611] RIP: 0010:fuse_get_req+0x699/0xd40 [ 56.022076][ T5611] 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 15 ea 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 f8 e9 e9 fe 48 8b 1b 81 e3 00 20 [ 56.045084][ T5611] RSP: 0018:ffffc900045e74c0 EFLAGS: 00010202 [ 56.051295][ T5611] RAX: 000000000000000b RBX: 0000000000000058 RCX: ffffffff8314d552 [ 56.063651][ T5611] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff888024f01030 [ 56.072221][ T5611] RBP: ffffc900045e75e8 R08: ffff888024f01037 R09: 1ffff110049e0206 [ 56.082224][ T5611] R10: dffffc0000000000 R11: ffffed10049e0207 R12: ffff888024f01000 [ 56.091169][ T5611] R13: dffffc0000000000 R14: ffff888078a78840 R15: ffff888024f01000 [ 56.099902][ T5611] FS: 000055558ca04500(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 56.130926][ T5611] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.161943][ T5611] CR2: 000056272b1440a8 CR3: 0000000027406000 CR4: 00000000003506f0 [ 56.191494][ T5611] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.220457][ T5611] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.222433][ T5463] syz.0.227 (5463) used greatest stack depth: 18264 bytes left [ 56.229105][ T5611] Kernel panic - not syncing: Fatal exception [ 56.236535][ T5611] Kernel Offset: disabled