last executing test programs: 131.130276ms ago: executing program 0 (id=31): syz_open_dev$midi(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$midi(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$midi(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$midi(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$midi(&(0x7f0000000140), 0x1, 0x0) syz_open_dev$midi(&(0x7f0000000180), 0x1, 0x1) syz_open_dev$midi(&(0x7f00000001c0), 0x1, 0x2) syz_open_dev$midi(&(0x7f0000000200), 0x1, 0x800) syz_open_dev$midi(&(0x7f0000000240), 0x2, 0x0) syz_open_dev$midi(&(0x7f0000000280), 0x2, 0x1) syz_open_dev$midi(&(0x7f00000002c0), 0x2, 0x2) syz_open_dev$midi(&(0x7f0000000300), 0x2, 0x800) syz_open_dev$midi(&(0x7f0000000340), 0x3, 0x0) syz_open_dev$midi(&(0x7f0000000380), 0x3, 0x1) syz_open_dev$midi(&(0x7f00000003c0), 0x3, 0x2) syz_open_dev$midi(&(0x7f0000000400), 0x3, 0x800) syz_open_dev$midi(&(0x7f0000000440), 0x4, 0x0) syz_open_dev$midi(&(0x7f0000000480), 0x4, 0x1) syz_open_dev$midi(&(0x7f00000004c0), 0x4, 0x2) syz_open_dev$midi(&(0x7f0000000500), 0x4, 0x800) 80.976962ms ago: executing program 1 (id=47): nanosleep(&(0x7f0000000000), 0x0) 80.660962ms ago: executing program 4 (id=50): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/tty', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/tty', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/tty', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/tty', 0x800, 0x0) 80.617202ms ago: executing program 1 (id=51): syz_open_dev$cec(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$cec(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$cec(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$cec(&(0x7f0000000100), 0x0, 0x800) 80.570112ms ago: executing program 2 (id=52): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/fs/smackfs/access', 0x2, 0x0) 80.107452ms ago: executing program 3 (id=53): process_mrelease(0xffffffffffffffff, 0x0) 61.471714ms ago: executing program 4 (id=54): setxattr(&(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000), 0x0, 0x0) 61.342174ms ago: executing program 2 (id=55): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/nvme-fabrics', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/nvme-fabrics', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/nvme-fabrics', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/nvme-fabrics', 0x800, 0x0) 61.133924ms ago: executing program 1 (id=56): socket$pppl2tp(0x18, 0x1, 0x1) 61.025844ms ago: executing program 3 (id=57): accept(0xffffffffffffffff, 0x0, &(0x7f0000000000)) 60.973614ms ago: executing program 4 (id=58): msgrcv(0x0, &(0x7f0000000000), 0x0, 0x0, 0x0) 60.885754ms ago: executing program 0 (id=59): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/fuse', 0x2, 0x0) 30.871707ms ago: executing program 0 (id=60): openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/attr/current', 0x2, 0x0) 30.605847ms ago: executing program 1 (id=61): set_mempolicy(0x0, &(0x7f0000000000), 0x0) 30.425157ms ago: executing program 2 (id=62): msgget(0xffffffffffffffff, 0x0) 30.370747ms ago: executing program 3 (id=63): socket$nl_audit(0x10, 0x3, 0x9) 30.265257ms ago: executing program 4 (id=64): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/irnet', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/irnet', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/irnet', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/irnet', 0x800, 0x0) 30.175697ms ago: executing program 2 (id=65): clock_settime(0x0, &(0x7f0000000000)) 30.121637ms ago: executing program 0 (id=66): syslog(0x0, 0x0, 0x0) 30.051887ms ago: executing program 3 (id=67): connect(0xffffffffffffffff, &(0x7f0000000000), 0x0) 1.478989ms ago: executing program 1 (id=68): socket$isdn_base(0x22, 0x3, 0x0) 1.25705ms ago: executing program 4 (id=69): bpf$BPF_BTF_GET_FD_BY_ID(0x13, &(0x7f0000000000), 0x0) 1.03223ms ago: executing program 2 (id=70): syz_open_dev$sndctrl(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$sndctrl(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$sndctrl(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$sndctrl(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$sndctrl(&(0x7f0000000140), 0x1, 0x0) syz_open_dev$sndctrl(&(0x7f0000000180), 0x1, 0x1) syz_open_dev$sndctrl(&(0x7f00000001c0), 0x1, 0x2) syz_open_dev$sndctrl(&(0x7f0000000200), 0x1, 0x800) syz_open_dev$sndctrl(&(0x7f0000000240), 0x2, 0x0) syz_open_dev$sndctrl(&(0x7f0000000280), 0x2, 0x1) syz_open_dev$sndctrl(&(0x7f00000002c0), 0x2, 0x2) syz_open_dev$sndctrl(&(0x7f0000000300), 0x2, 0x800) syz_open_dev$sndctrl(&(0x7f0000000340), 0x3, 0x0) syz_open_dev$sndctrl(&(0x7f0000000380), 0x3, 0x1) syz_open_dev$sndctrl(&(0x7f00000003c0), 0x3, 0x2) syz_open_dev$sndctrl(&(0x7f0000000400), 0x3, 0x800) syz_open_dev$sndctrl(&(0x7f0000000440), 0x4, 0x0) syz_open_dev$sndctrl(&(0x7f0000000480), 0x4, 0x1) syz_open_dev$sndctrl(&(0x7f00000004c0), 0x4, 0x2) syz_open_dev$sndctrl(&(0x7f0000000500), 0x4, 0x800) 849.4µs ago: executing program 0 (id=71): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/fs/smackfs/logging', 0x2, 0x0) 722.83µs ago: executing program 3 (id=72): io_uring_register$IORING_REGISTER_BUFFERS(0xffffffffffffffff, 0x0, &(0x7f0000000000), 0x0) 674.559µs ago: executing program 1 (id=73): io_cancel(0x0, &(0x7f0000000000), &(0x7f0000000000)) 553.26µs ago: executing program 4 (id=74): socket(0x1e, 0x2, 0x0) 325.35µs ago: executing program 2 (id=75): mount_setattr(0xffffffffffffffff, &(0x7f0000000000), 0x0, &(0x7f0000000000), 0x0) 237.98µs ago: executing program 3 (id=76): openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/attr/exec', 0x2, 0x0) 0s ago: executing program 0 (id=77): fsconfig$FSCONFIG_CMD_CREATE(0xffffffffffffffff, 0x6, 0x0, 0x0, 0x0) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.1.204' (ED25519) to the list of known hosts. [ 26.919113][ T4033] cgroup: Unknown subsys name 'net' [ 27.170159][ T4033] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 27.440299][ T4033] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 28.173123][ T4064] uffd: Set unprivileged_userfaultfd sysctl knob to 1 if kernel faults must be handled without obtaining CAP_SYS_PTRACE capability [ 28.363383][ T4120] Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP [ 28.364650][ T4120] Modules linked in: [ 28.365215][ T4120] CPU: 1 PID: 4120 Comm: syz.1.73 Not tainted syzkaller #0 [ 28.366391][ T4120] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 28.367939][ T4120] pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc) [ 28.369101][ T4120] pc : lookup_ioctx+0x108/0x7d0 [ 28.369851][ T4120] lr : lookup_ioctx+0xe4/0x7d0 [ 28.370536][ T4120] sp : ffff80001f167cf0 [ 28.371117][ T4120] x29: ffff80001f167cf0 x28: ffff0000db501b40 x27: 0000000000000000 [ 28.372314][ T4120] x26: 1fffe0001b6a0368 x25: 0000000000400040 x24: ffff0000daffb3c0 [ 28.373458][ T4120] x23: dfff800000000000 x22: 00000000fffffff2 x21: 0000000000000000 [ 28.374629][ T4120] x20: ffff0000db501b40 x19: 0000000000000000 x18: 0000000000000000 [ 28.375809][ T4120] x17: 0000000000000000 x16: ffff800008a19ecc x15: 0000000000000000 [ 28.377014][ T4120] x14: 0000000000000000 x13: 1ffff0000283206b x12: 0000000000ff0100 [ 28.378140][ T4120] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000ffffffffffff [ 28.379253][ T4120] x8 : 0000000000000000 x7 : ffff800008751020 x6 : 0000000000000000 [ 28.380367][ T4120] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001 [ 28.381578][ T4120] x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000 [ 28.382797][ T4120] Call trace: [ 28.383269][ T4120] lookup_ioctx+0x108/0x7d0 [ 28.383973][ T4120] __arm64_sys_io_cancel+0x160/0x338 [ 28.384830][ T4120] invoke_syscall+0x98/0x2b8 [ 28.385546][ T4120] el0_svc_common+0x138/0x258 [ 28.386230][ T4120] do_el0_svc+0x58/0x14c [ 28.386861][ T4120] el0_svc+0x78/0x1e0 [ 28.387380][ T4120] el0t_64_sync_handler+0xcc/0xe4 [ 28.388102][ T4120] el0t_64_sync+0x1a0/0x1a4 [ 28.388812][ T4120] Code: d503229f 2a1f03f6 2a1f03e0 b8400953 (2a1603e1) [ 28.389750][ T4120] ---[ end trace 6194160d5d09a241 ]--- SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 28.580998][ T4120] Kernel panic - not syncing: Oops - BTI: Fatal exception [ 28.582235][ T4120] SMP: stopping secondary CPUs [ 28.582935][ T4120] Kernel Offset: disabled [ 28.583634][ T4120] CPU features: 0x8,000003c1,7d33ffd9 [ 28.584431][ T4120] Memory Limit: none [ 28.768843][ T4120] Rebooting in 86400 seconds..