last executing test programs: 190.638384ms ago: executing program 2 (id=139): 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) 132.783896ms ago: executing program 0 (id=154): setgid(0x0) 105.682557ms ago: executing program 0 (id=158): lgetxattr(&(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000), 0x0) 105.344717ms ago: executing program 2 (id=160): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/fs/smackfs/logging', 0x2, 0x0) 105.087337ms ago: executing program 0 (id=163): openat(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/avc/cache_threshold', 0x2, 0x0) 79.594007ms ago: executing program 1 (id=165): socket$inet6_sctp(0xa, 0x1, 0x84) 79.095407ms ago: executing program 2 (id=167): socket$can_bcm(0x1d, 0x2, 0x2) 78.760607ms ago: executing program 1 (id=170): openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/proc/self', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/self', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self', 0x800, 0x0) 78.194497ms ago: executing program 1 (id=172): openat(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/avc/hash_stats', 0x0, 0x0) 56.951088ms ago: executing program 3 (id=173): syz_open_dev$loop(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$loop(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$loop(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$loop(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$loop(&(0x7f0000000140), 0x1, 0x0) syz_open_dev$loop(&(0x7f0000000180), 0x1, 0x1) syz_open_dev$loop(&(0x7f00000001c0), 0x1, 0x2) syz_open_dev$loop(&(0x7f0000000200), 0x1, 0x800) syz_open_dev$loop(&(0x7f0000000240), 0x2, 0x0) syz_open_dev$loop(&(0x7f0000000280), 0x2, 0x1) syz_open_dev$loop(&(0x7f00000002c0), 0x2, 0x2) syz_open_dev$loop(&(0x7f0000000300), 0x2, 0x800) syz_open_dev$loop(&(0x7f0000000340), 0x3, 0x0) syz_open_dev$loop(&(0x7f0000000380), 0x3, 0x1) syz_open_dev$loop(&(0x7f00000003c0), 0x3, 0x2) syz_open_dev$loop(&(0x7f0000000400), 0x3, 0x800) syz_open_dev$loop(&(0x7f0000000440), 0x4, 0x0) syz_open_dev$loop(&(0x7f0000000480), 0x4, 0x1) syz_open_dev$loop(&(0x7f00000004c0), 0x4, 0x2) syz_open_dev$loop(&(0x7f0000000500), 0x4, 0x800) 56.817748ms ago: executing program 4 (id=174): syz_open_dev$floppy(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$floppy(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$floppy(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$floppy(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$floppy(&(0x7f0000000140), 0x1, 0x0) syz_open_dev$floppy(&(0x7f0000000180), 0x1, 0x1) syz_open_dev$floppy(&(0x7f00000001c0), 0x1, 0x2) syz_open_dev$floppy(&(0x7f0000000200), 0x1, 0x800) syz_open_dev$floppy(&(0x7f0000000240), 0x2, 0x0) syz_open_dev$floppy(&(0x7f0000000280), 0x2, 0x1) syz_open_dev$floppy(&(0x7f00000002c0), 0x2, 0x2) syz_open_dev$floppy(&(0x7f0000000300), 0x2, 0x800) syz_open_dev$floppy(&(0x7f0000000340), 0x3, 0x0) syz_open_dev$floppy(&(0x7f0000000380), 0x3, 0x1) syz_open_dev$floppy(&(0x7f00000003c0), 0x3, 0x2) syz_open_dev$floppy(&(0x7f0000000400), 0x3, 0x800) syz_open_dev$floppy(&(0x7f0000000440), 0x4, 0x0) syz_open_dev$floppy(&(0x7f0000000480), 0x4, 0x1) syz_open_dev$floppy(&(0x7f00000004c0), 0x4, 0x2) syz_open_dev$floppy(&(0x7f0000000500), 0x4, 0x800) 56.699488ms ago: executing program 0 (id=175): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/fb0', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/fb0', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/fb0', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/fb0', 0x800, 0x0) 56.519658ms ago: executing program 3 (id=176): syz_init_net_socket$bt_cmtp(0x1f, 0x3, 0x5) 56.375628ms ago: executing program 2 (id=177): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/infiniband/uverbs0', 0x2, 0x0) 56.190398ms ago: executing program 4 (id=178): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snd/timer', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/snd/timer', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/snd/timer', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/snd/timer', 0x800, 0x0) 31.190589ms ago: executing program 1 (id=179): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ublk-control', 0x2, 0x0) 31.117349ms ago: executing program 3 (id=180): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/fb1', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/fb1', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/fb1', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/fb1', 0x800, 0x0) 30.978949ms ago: executing program 4 (id=181): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/userfaultfd', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/userfaultfd', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/userfaultfd', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/userfaultfd', 0x800, 0x0) 30.886279ms ago: executing program 1 (id=182): openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/keys', 0x0, 0x0) 30.673569ms ago: executing program 2 (id=183): ioprio_set$auto(0x0, 0x0, 0x0) 30.555279ms ago: executing program 0 (id=184): mlock2(0x0, 0x0, 0x0) 30.489399ms ago: executing program 4 (id=185): openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self/attr/current', 0x2, 0x0) 1.106229ms ago: executing program 3 (id=186): openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sys/net/ipv4/tcp_congestion_control', 0x1, 0x0) 696.509µs ago: executing program 1 (id=187): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/qat_adf_ctl', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/qat_adf_ctl', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/qat_adf_ctl', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/qat_adf_ctl', 0x800, 0x0) 594.739µs ago: executing program 2 (id=188): 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) 466.729µs ago: executing program 4 (id=189): pread64(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0) 269.7µs ago: executing program 0 (id=190): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/hpet', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/hpet', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/hpet', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/hpet', 0x800, 0x0) 186.64µs ago: executing program 3 (id=191): openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/attr/current', 0x2, 0x0) 86.64µs ago: executing program 4 (id=192): syz_open_dev$hiddev(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$hiddev(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$hiddev(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$hiddev(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$hiddev(&(0x7f0000000140), 0x1, 0x0) syz_open_dev$hiddev(&(0x7f0000000180), 0x1, 0x1) syz_open_dev$hiddev(&(0x7f00000001c0), 0x1, 0x2) syz_open_dev$hiddev(&(0x7f0000000200), 0x1, 0x800) syz_open_dev$hiddev(&(0x7f0000000240), 0x2, 0x0) syz_open_dev$hiddev(&(0x7f0000000280), 0x2, 0x1) syz_open_dev$hiddev(&(0x7f00000002c0), 0x2, 0x2) syz_open_dev$hiddev(&(0x7f0000000300), 0x2, 0x800) syz_open_dev$hiddev(&(0x7f0000000340), 0x3, 0x0) syz_open_dev$hiddev(&(0x7f0000000380), 0x3, 0x1) syz_open_dev$hiddev(&(0x7f00000003c0), 0x3, 0x2) syz_open_dev$hiddev(&(0x7f0000000400), 0x3, 0x800) syz_open_dev$hiddev(&(0x7f0000000440), 0x4, 0x0) syz_open_dev$hiddev(&(0x7f0000000480), 0x4, 0x1) syz_open_dev$hiddev(&(0x7f00000004c0), 0x4, 0x2) syz_open_dev$hiddev(&(0x7f0000000500), 0x4, 0x800) 0s ago: executing program 3 (id=193): socket$inet_icmp_raw(0x2, 0x3, 0x1) 0s ago: executing program 0 (id=195): io_submit(0x0, 0x0, &(0x7f0000000000)) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.0.56' (ED25519) to the list of known hosts. [ 28.760438][ T4036] cgroup: Unknown subsys name 'net' [ 29.033867][ T4036] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 29.331275][ T4036] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 30.615354][ T4192] uffd: Set unprivileged_userfaultfd sysctl knob to 1 if kernel faults must be handled without obtaining CAP_SYS_PTRACE capability [ 30.824451][ T4249] Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP [ 30.825785][ T4249] Modules linked in: [ 30.826461][ T4249] CPU: 1 PID: 4249 Comm: syz.0.195 Not tainted syzkaller #0 [ 30.827700][ T4249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 [ 30.829445][ T4249] pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc) [ 30.830711][ T4249] pc : lookup_ioctx+0x10c/0x7c0 [ 30.831590][ T4249] lr : lookup_ioctx+0xe8/0x7c0 [ 30.832437][ T4249] sp : ffff80001f307c20 [ 30.833144][ T4249] x29: ffff80001f307c20 x28: ffff0000cd5151c0 x27: 0000000020000000 [ 30.834498][ T4249] x26: 1fffe00019aa2a38 x25: 1ffff00003e60fd6 x24: ffff0000d39fc500 [ 30.835831][ T4249] x23: dfff800000000000 x22: 00000000fffffff2 x21: 0000000000000000 [ 30.837127][ T4249] x20: ffff0000cd5151c0 x19: 0000000000000000 x18: 0000000000000000 [ 30.838405][ T4249] x17: 0000000000000000 x16: ffff800008a30094 x15: 0000000000000000 [ 30.839671][ T4249] x14: 0000000000000005 x13: 1ffff0000287202b x12: 0000000097863b1e [ 30.841036][ T4249] x11: ff80800008a30070 x10: 0000000000000000 x9 : 0000ffffffffffff [ 30.842376][ T4249] x8 : 0000000000000000 x7 : ffff800008762580 x6 : 0000000000000000 [ 30.843649][ T4249] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001 [ 30.844945][ T4249] x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000 [ 30.846269][ T4249] Call trace: [ 30.846760][ T4249] lookup_ioctx+0x10c/0x7c0 [ 30.847571][ T4249] __arm64_sys_io_submit+0x110/0x410 [ 30.848521][ T4249] invoke_syscall+0x98/0x28c [ 30.849416][ T4249] el0_svc_common+0x13c/0x258 [ 30.850261][ T4249] do_el0_svc+0x5c/0x140 [ 30.851018][ T4249] el0_svc+0x78/0x1d0 [ 30.851792][ T4249] el0t_64_sync_handler+0xcc/0xe4 [ 30.852635][ T4249] el0t_64_sync+0x1a0/0x1a4 [ 30.853463][ T4249] Code: d503229f 2a1f03f6 2a1f03e0 b8400953 (2a1603e1) [ 30.854599][ T4249] ---[ end trace 1d509d0cfa9e0e6d ]--- [ 31.071836][ T4249] Kernel panic - not syncing: Oops - BTI: Fatal exception [ 31.072970][ T4249] SMP: stopping secondary CPUs [ 31.073713][ T4249] Kernel Offset: disabled [ 31.074495][ T4249] CPU features: 0xa,000003c1,7d33ffd9 [ 31.075315][ T4249] Memory Limit: none [ 31.260692][ T4249] Rebooting in 86400 seconds..