last executing test programs: 208.296485ms ago: executing program 3 (id=16): close(0xffffffffffffffff) 207.399676ms ago: executing program 3 (id=21): ptrace(0x0, 0x0) 167.642053ms ago: executing program 3 (id=26): sync() 124.012489ms ago: executing program 4 (id=36): memfd_create(&(0x7f0000000000), 0x0) 123.95402ms ago: executing program 3 (id=37): socket$nl_generic(0x10, 0x3, 0x10) 123.581519ms ago: executing program 4 (id=41): syz_open_dev$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$dmmidi(&(0x7f0000000500), 0x4, 0x800) 82.073746ms ago: executing program 3 (id=43): recvmsg(0xffffffffffffffff, &(0x7f0000000000), 0x0) 81.834297ms ago: executing program 2 (id=46): socket$caif_seqpacket(0x25, 0x5, 0x0) 81.524976ms ago: executing program 3 (id=48): syz_open_dev$evdev(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$evdev(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$evdev(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$evdev(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$evdev(&(0x7f0000000140), 0x1, 0x0) syz_open_dev$evdev(&(0x7f0000000180), 0x1, 0x1) syz_open_dev$evdev(&(0x7f00000001c0), 0x1, 0x2) syz_open_dev$evdev(&(0x7f0000000200), 0x1, 0x800) syz_open_dev$evdev(&(0x7f0000000240), 0x2, 0x0) syz_open_dev$evdev(&(0x7f0000000280), 0x2, 0x1) syz_open_dev$evdev(&(0x7f00000002c0), 0x2, 0x2) syz_open_dev$evdev(&(0x7f0000000300), 0x2, 0x800) syz_open_dev$evdev(&(0x7f0000000340), 0x3, 0x0) syz_open_dev$evdev(&(0x7f0000000380), 0x3, 0x1) syz_open_dev$evdev(&(0x7f00000003c0), 0x3, 0x2) syz_open_dev$evdev(&(0x7f0000000400), 0x3, 0x800) syz_open_dev$evdev(&(0x7f0000000440), 0x4, 0x0) syz_open_dev$evdev(&(0x7f0000000480), 0x4, 0x1) syz_open_dev$evdev(&(0x7f00000004c0), 0x4, 0x2) syz_open_dev$evdev(&(0x7f0000000500), 0x4, 0x800) 51.237901ms ago: executing program 1 (id=52): shmctl$IPC_INFO(0x0, 0x3, &(0x7f0000000000)) 51.145292ms ago: executing program 1 (id=53): setns(0xffffffffffffffff, 0x0) 50.998982ms ago: executing program 1 (id=55): splice(0xffffffffffffffff, &(0x7f0000000000), 0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0) 50.838312ms ago: executing program 2 (id=56): socket$isdn_base(0x22, 0x3, 0x0) 50.582512ms ago: executing program 0 (id=57): 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) 50.467062ms ago: executing program 1 (id=58): pread64(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0) 30.882665ms ago: executing program 0 (id=59): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/kernel/debug/damon/rm_contexts', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/sys/kernel/debug/damon/rm_contexts', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/damon/rm_contexts', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/sys/kernel/debug/damon/rm_contexts', 0x800, 0x0) 30.681935ms ago: executing program 2 (id=60): pkey_alloc(0x0, 0x0) 30.585555ms ago: executing program 1 (id=61): connect(0xffffffffffffffff, &(0x7f0000000000), 0x0) 30.350575ms ago: executing program 1 (id=62): socket$caif_stream(0x25, 0x1, 0x0) 30.293955ms ago: executing program 2 (id=63): faccessat2(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0) 30.188675ms ago: executing program 4 (id=64): munlockall() 29.660765ms ago: executing program 0 (id=65): mmap(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) 913.76µs ago: executing program 0 (id=66): openat(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/load', 0x2, 0x0) 476.25µs ago: executing program 2 (id=67): socket(0x10, 0x3, 0x10) 400.85µs ago: executing program 4 (id=68): timer_getoverrun(0x0) 348.71µs ago: executing program 0 (id=69): socket$nl_route(0x10, 0x3, 0x0) 284.37µs ago: executing program 4 (id=70): umount2(&(0x7f0000000000), 0x0) 238.79µs ago: executing program 0 (id=71): mlock(0x0, 0x0) 67.4µs ago: executing program 4 (id=72): openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sys/net/ipv4/tcp_congestion_control', 0x1, 0x0) 0s ago: executing program 2 (id=73): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ubi_ctrl', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ubi_ctrl', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ubi_ctrl', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ubi_ctrl', 0x800, 0x0) 0s ago: executing program 1 (id=76): io_destroy(0x0) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.0.135' (ED25519) to the list of known hosts. [ 32.029928][ T4031] cgroup: Unknown subsys name 'net' [ 32.246818][ T4031] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 32.538707][ T4031] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 33.563491][ T4123] Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP [ 33.564811][ T4123] Modules linked in: [ 33.565433][ T4123] CPU: 0 PID: 4123 Comm: syz.1.76 Not tainted syzkaller #0 [ 33.566605][ T4123] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 33.568320][ T4123] pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc) [ 33.569602][ T4123] pc : lookup_ioctx+0x108/0x7c8 [ 33.570466][ T4123] lr : lookup_ioctx+0xe4/0x7c8 [ 33.571250][ T4123] sp : ffff80001f497c40 [ 33.571938][ T4123] x29: ffff80001f497c40 x28: ffff0000c230b680 x27: 0000000000000000 [ 33.573324][ T4123] x26: 1fffe000184616d0 x25: 1ffff00003e92fd6 x24: ffff0000d13ef300 [ 33.574639][ T4123] x23: dfff800000000000 x22: 00000000fffffff2 x21: 0000000000000000 [ 33.575974][ T4123] x20: ffff0000c230b680 x19: 0000000000000000 x18: 0000000000000000 [ 33.577291][ T4123] x17: 0000000000000000 x16: ffff800008a22ca0 x15: 0000000000000000 [ 33.578592][ T4123] x14: 0000000000000003 x13: 1ffff0000285402b x12: 0000000000ff0100 [ 33.579872][ T4123] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000ffffffffffff [ 33.581125][ T4123] x8 : 0000000000000000 x7 : ffff8000087585b4 x6 : 0000000000000000 [ 33.582506][ T4123] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001 [ 33.583848][ T4123] x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000 [ 33.585277][ T4123] Call trace: [ 33.585871][ T4123] lookup_ioctx+0x108/0x7c8 [ 33.586649][ T4123] __arm64_sys_io_destroy+0x9c/0x1d8 [ 33.587478][ T4123] invoke_syscall+0x98/0x2b0 [ 33.588213][ T4123] el0_svc_common+0x138/0x258 [ 33.589039][ T4123] do_el0_svc+0x58/0x13c [ 33.589803][ T4123] el0_svc+0x78/0x1d0 [ 33.590524][ T4123] el0t_64_sync_handler+0xcc/0xe4 [ 33.591359][ T4123] el0t_64_sync+0x1a0/0x1a4 [ 33.592114][ T4123] Code: d503229f 2a1f03f6 2a1f03e0 b8400953 (2a1603e1) [ 33.593407][ T4123] ---[ end trace 6c27e4cf35c1e88c ]--- SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 33.768718][ T4123] Kernel panic - not syncing: Oops - BTI: Fatal exception [ 33.769956][ T4123] SMP: stopping secondary CPUs [ 33.770759][ T4123] Kernel Offset: disabled [ 33.771507][ T4123] CPU features: 0x8,000003c1,7d33ffd9 [ 33.772369][ T4123] Memory Limit: none [ 33.922205][ T4123] Rebooting in 86400 seconds..