last executing test programs: 86.872723ms ago: executing program 3 (id=39): openat(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/checkreqprot', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/checkreqprot', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/selinux/checkreqprot', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/selinux/checkreqprot', 0x800, 0x0) 86.715713ms ago: executing program 4 (id=41): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/userfaultfd', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/userfaultfd', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/userfaultfd', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/userfaultfd', 0x800, 0x0) 86.641283ms ago: executing program 1 (id=42): connect(0xffffffffffffffff, &(0x7f0000000000), 0x0) 86.562213ms ago: executing program 2 (id=43): sendto(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0, 0x0, 0x0) 86.517193ms ago: executing program 3 (id=44): sendmmsg(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0) 56.006555ms ago: executing program 0 (id=45): setxattr(&(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000), 0x0, 0x0) 55.898245ms ago: executing program 1 (id=46): mkdirat(0xffffffffffffffff, &(0x7f0000000000), 0x0) 55.825175ms ago: executing program 2 (id=47): sched_getattr(0x0, &(0x7f0000000000), 0x0, 0x0) 55.755275ms ago: executing program 4 (id=48): socket$can_raw(0x1d, 0x3, 0x1) 55.686746ms ago: executing program 1 (id=49): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/cdrom', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/cdrom', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/cdrom', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/cdrom', 0x800, 0x0) 55.611926ms ago: executing program 0 (id=50): recvfrom(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0, 0x0, 0x0) 55.514775ms ago: executing program 3 (id=51): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/kernel/debug/damon/mk_contexts', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/sys/kernel/debug/damon/mk_contexts', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/damon/mk_contexts', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/sys/kernel/debug/damon/mk_contexts', 0x800, 0x0) 55.360825ms ago: executing program 2 (id=52): accept4(0xffffffffffffffff, 0x0, &(0x7f0000000000), 0x0) 55.292825ms ago: executing program 4 (id=53): madvise(0x0, 0x0, 0x0) 30.371257ms ago: executing program 0 (id=54): openat(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/policy', 0x0, 0x0) 30.244887ms ago: executing program 2 (id=55): openat(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/relabel', 0x2, 0x0) 30.167338ms ago: executing program 3 (id=56): timerfd_settime(0xffffffffffffffff, 0x0, &(0x7f0000000000), &(0x7f0000000000)) 29.962878ms ago: executing program 4 (id=57): accept(0xffffffffffffffff, 0x0, &(0x7f0000000000)) 29.922027ms ago: executing program 2 (id=58): keyctl$KEYCTL_CAPABILITIES(0x1f, &(0x7f0000000000), 0x0) 29.851827ms ago: executing program 3 (id=59): epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, 0xffffffffffffffff, &(0x7f0000000000)) 29.675857ms ago: executing program 0 (id=60): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vsock', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vsock', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vsock', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/vsock', 0x800, 0x0) 29.630317ms ago: executing program 1 (id=61): pipe2(&(0x7f0000000000), 0x0) 806.17µs ago: executing program 1 (id=62): socket$inet_icmp(0x2, 0x2, 0x1) 534.18µs ago: executing program 4 (id=63): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/btrfs-control', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/btrfs-control', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/btrfs-control', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/btrfs-control', 0x800, 0x0) 372.89µs ago: executing program 0 (id=64): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/video2', 0x2, 0x0) 331.46µs ago: executing program 2 (id=65): syz_open_dev$vbi(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$vbi(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$vbi(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$vbi(&(0x7f0000000100), 0x0, 0x800) 273.29µs ago: executing program 3 (id=66): mmap(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) 187.02µs ago: executing program 0 (id=67): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/devices/platform/vhci_hcd.0/attach', 0x1, 0x0) 39.68µs ago: executing program 1 (id=68): shmget(0xffffffffffffffff, 0x0, 0x0, 0x0) 0s ago: executing program 4 (id=69): lgetxattr(&(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000), 0x0) 0s ago: executing program 2 (id=71): io_cancel(0x0, &(0x7f0000000000), &(0x7f0000000000)) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.0.127' (ED25519) to the list of known hosts. [ 26.561169][ T4030] cgroup: Unknown subsys name 'net' [ 26.808883][ T4030] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 27.086391][ T4030] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 28.052102][ T4119] Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP [ 28.053500][ T4119] Modules linked in: [ 28.054108][ T4119] CPU: 1 PID: 4119 Comm: syz.2.71 Not tainted syzkaller #0 [ 28.055165][ T4119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 28.056714][ T4119] pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc) [ 28.057864][ T4119] pc : lookup_ioctx+0x108/0x7c8 [ 28.058613][ T4119] lr : lookup_ioctx+0xe4/0x7c8 [ 28.059331][ T4119] sp : ffff80001f377cf0 [ 28.059909][ T4119] x29: ffff80001f377cf0 x28: ffff0000d6b40000 x27: 0000000000000000 [ 28.061195][ T4119] x26: 1fffe0001ad68000 x25: 0000000000400040 x24: ffff0000c7ac33c0 [ 28.062435][ T4119] x23: dfff800000000000 x22: 00000000fffffff2 x21: 0000000000000000 [ 28.063677][ T4119] x20: ffff0000d6b40000 x19: 0000000000000000 x18: 0000000000000000 [ 28.064876][ T4119] x17: 0000000000000000 x16: ffff800008a22da8 x15: 0000000000000000 [ 28.065989][ T4119] x14: 0000000000000003 x13: 1ffff0000285202b x12: 0000000000ff0100 [ 28.067243][ T4119] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000ffffffffffff [ 28.068442][ T4119] x8 : 0000000000000000 x7 : ffff8000087586bc x6 : 0000000000000000 [ 28.069670][ T4119] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001 [ 28.070889][ T4119] x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000 [ 28.072116][ T4119] Call trace: [ 28.072653][ T4119] lookup_ioctx+0x108/0x7c8 [ 28.073323][ T4119] __arm64_sys_io_cancel+0x160/0x338 [ 28.074101][ T4119] invoke_syscall+0x98/0x2b0 [ 28.074804][ T4119] el0_svc_common+0x138/0x258 [ 28.075465][ T4119] do_el0_svc+0x58/0x13c [ 28.076176][ T4119] el0_svc+0x78/0x1d0 [ 28.076817][ T4119] el0t_64_sync_handler+0xcc/0xe4 [ 28.077618][ T4119] el0t_64_sync+0x1a0/0x1a4 [ 28.078300][ T4119] Code: d503229f 2a1f03f6 2a1f03e0 b8400953 (2a1603e1) [ 28.079347][ T4119] ---[ end trace fdb170a05e8c18c9 ]--- SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 28.263678][ T4119] Kernel panic - not syncing: Oops - BTI: Fatal exception [ 28.264707][ T4119] SMP: stopping secondary CPUs [ 28.265447][ T4119] Kernel Offset: disabled [ 28.266108][ T4119] CPU features: 0x8,000003c1,7d33ffd9 [ 28.266881][ T4119] Memory Limit: none [ 28.433311][ T4119] Rebooting in 86400 seconds..