last executing test programs: 90.768896ms ago: executing program 4 (id=190): socket$l2tp6(0xa, 0x2, 0x73) 90.635375ms ago: executing program 0 (id=191): pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) 90.582665ms ago: executing program 2 (id=192): openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sys/net/ipv4/tcp_congestion_control', 0x1, 0x0) 90.538355ms ago: executing program 4 (id=193): geteuid() 71.165846ms ago: executing program 1 (id=194): openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sys/net/ipv4/tcp_rmem', 0x1, 0x0) 70.864727ms ago: executing program 3 (id=195): syz_open_dev$hidraw(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$hidraw(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$hidraw(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$hidraw(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$hidraw(&(0x7f0000000140), 0x1, 0x0) syz_open_dev$hidraw(&(0x7f0000000180), 0x1, 0x1) syz_open_dev$hidraw(&(0x7f00000001c0), 0x1, 0x2) syz_open_dev$hidraw(&(0x7f0000000200), 0x1, 0x800) syz_open_dev$hidraw(&(0x7f0000000240), 0x2, 0x0) syz_open_dev$hidraw(&(0x7f0000000280), 0x2, 0x1) syz_open_dev$hidraw(&(0x7f00000002c0), 0x2, 0x2) syz_open_dev$hidraw(&(0x7f0000000300), 0x2, 0x800) syz_open_dev$hidraw(&(0x7f0000000340), 0x3, 0x0) syz_open_dev$hidraw(&(0x7f0000000380), 0x3, 0x1) syz_open_dev$hidraw(&(0x7f00000003c0), 0x3, 0x2) syz_open_dev$hidraw(&(0x7f0000000400), 0x3, 0x800) syz_open_dev$hidraw(&(0x7f0000000440), 0x4, 0x0) syz_open_dev$hidraw(&(0x7f0000000480), 0x4, 0x1) syz_open_dev$hidraw(&(0x7f00000004c0), 0x4, 0x2) syz_open_dev$hidraw(&(0x7f0000000500), 0x4, 0x800) 70.742747ms ago: executing program 2 (id=196): openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/attr/exec', 0x2, 0x0) 70.668687ms ago: executing program 4 (id=197): signalfd4(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0) 70.557366ms ago: executing program 0 (id=198): syz_open_dev$video4linux(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$video4linux(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$video4linux(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$video4linux(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$video4linux(&(0x7f0000000140), 0x1, 0x0) syz_open_dev$video4linux(&(0x7f0000000180), 0x1, 0x1) syz_open_dev$video4linux(&(0x7f00000001c0), 0x1, 0x2) syz_open_dev$video4linux(&(0x7f0000000200), 0x1, 0x800) syz_open_dev$video4linux(&(0x7f0000000240), 0x2, 0x0) syz_open_dev$video4linux(&(0x7f0000000280), 0x2, 0x1) syz_open_dev$video4linux(&(0x7f00000002c0), 0x2, 0x2) syz_open_dev$video4linux(&(0x7f0000000300), 0x2, 0x800) syz_open_dev$video4linux(&(0x7f0000000340), 0x3, 0x0) syz_open_dev$video4linux(&(0x7f0000000380), 0x3, 0x1) syz_open_dev$video4linux(&(0x7f00000003c0), 0x3, 0x2) syz_open_dev$video4linux(&(0x7f0000000400), 0x3, 0x800) syz_open_dev$video4linux(&(0x7f0000000440), 0x4, 0x0) syz_open_dev$video4linux(&(0x7f0000000480), 0x4, 0x1) syz_open_dev$video4linux(&(0x7f00000004c0), 0x4, 0x2) syz_open_dev$video4linux(&(0x7f0000000500), 0x4, 0x800) 70.416457ms ago: executing program 3 (id=199): syz_init_net_socket$bt_bnep(0x1f, 0x3, 0x4) 46.448368ms ago: executing program 1 (id=200): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/fs/smackfs/netlabel', 0x2, 0x0) 46.296648ms ago: executing program 2 (id=201): openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self/attr/exec', 0x2, 0x0) 45.954728ms ago: executing program 0 (id=202): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/i915', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/i915', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/i915', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/i915', 0x800, 0x0) 45.866108ms ago: executing program 1 (id=203): getuid() 45.782208ms ago: executing program 3 (id=204): openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/capi/capi20', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/proc/capi/capi20', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/capi/capi20', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/capi/capi20', 0x800, 0x0) 45.747788ms ago: executing program 1 (id=205): openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self/attr/current', 0x2, 0x0) 45.579078ms ago: executing program 2 (id=206): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/rtc0', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/rtc0', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/rtc0', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/rtc0', 0x800, 0x0) 45.287218ms ago: executing program 0 (id=207): unlinkat(0xffffffffffffffff, &(0x7f0000000000), 0x0) 13.18803ms ago: executing program 4 (id=208): vmsplice(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0) 12.85334ms ago: executing program 3 (id=209): rt_sigsuspend(&(0x7f0000000000), 0x0) 12.77482ms ago: executing program 0 (id=210): sched_yield() 12.6823ms ago: executing program 1 (id=211): syz_open_dev$sndmidi(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$sndmidi(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$sndmidi(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$sndmidi(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$sndmidi(&(0x7f0000000140), 0xa, 0x0) syz_open_dev$sndmidi(&(0x7f0000000180), 0xa, 0x1) syz_open_dev$sndmidi(&(0x7f00000001c0), 0xa, 0x2) syz_open_dev$sndmidi(&(0x7f0000000200), 0xa, 0x800) syz_open_dev$sndmidi(&(0x7f0000000240), 0x14, 0x0) syz_open_dev$sndmidi(&(0x7f0000000280), 0x14, 0x1) syz_open_dev$sndmidi(&(0x7f00000002c0), 0x14, 0x2) syz_open_dev$sndmidi(&(0x7f0000000300), 0x14, 0x800) syz_open_dev$sndmidi(&(0x7f0000000340), 0x1e, 0x0) syz_open_dev$sndmidi(&(0x7f0000000380), 0x1e, 0x1) syz_open_dev$sndmidi(&(0x7f00000003c0), 0x1e, 0x2) syz_open_dev$sndmidi(&(0x7f0000000400), 0x1e, 0x800) syz_open_dev$sndmidi(&(0x7f0000000440), 0x28, 0x0) syz_open_dev$sndmidi(&(0x7f0000000480), 0x28, 0x1) syz_open_dev$sndmidi(&(0x7f00000004c0), 0x28, 0x2) syz_open_dev$sndmidi(&(0x7f0000000500), 0x28, 0x800) 12.60286ms ago: executing program 4 (id=212): 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) 12.53351ms ago: executing program 2 (id=213): getrusage(0x0, &(0x7f0000000000)) 12.36798ms ago: executing program 3 (id=214): mlock2(0x0, 0x0, 0x0) 572.27µs ago: executing program 2 (id=215): socket$inet6(0xa, 0x1, 0x0) 273.65µs ago: executing program 1 (id=216): fsopen(&(0x7f0000000000), 0x0) 151.28µs ago: executing program 3 (id=217): mlock(0x0, 0x0) 101.9µs ago: executing program 0 (id=218): socket$inet6_tcp(0xa, 0x1, 0x0) 0s ago: executing program 4 (id=219): pidfd_open(0x0, 0x0) 0s ago: executing program 4 (id=223): io_getevents(0x0, 0x0, 0x0, &(0x7f0000000000), 0x0) kernel console output (not intermixed with test programs): [ 11.310331][ T3713] eql: remember to turn off Van-Jacobson compression on your slave devices Starting crond: [ 11.343580][ T390] gvnic 0000:00:00.0 enp0s0: Device link is up. OK [ 11.353045][ T390] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.227' (ED25519) to the list of known hosts. syzkaller login: [ 25.944272][ T4027] cgroup: Unknown subsys name 'net' [ 26.182056][ T4027] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 26.464572][ T4027] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 27.975947][ T4271] Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP [ 27.977252][ T4271] Modules linked in: [ 27.977894][ T4271] CPU: 0 PID: 4271 Comm: syz.4.223 Not tainted syzkaller #0 [ 27.979044][ T4271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 27.980847][ T4271] pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc) [ 27.982199][ T4271] pc : lookup_ioctx+0x108/0x7c8 [ 27.982980][ T4271] lr : lookup_ioctx+0xe4/0x7c8 [ 27.983741][ T4271] sp : ffff80001fa17b20 [ 27.984397][ T4271] x29: ffff80001fa17b20 x28: ffff0000cde851c0 x27: dfff800000000000 [ 27.985596][ T4271] x26: ffff80001fa17b80 x25: ffff700003f42f70 x24: ffff0000d1462280 [ 27.986756][ T4271] x23: dfff800000000000 x22: 00000000fffffff2 x21: 0000000000000000 [ 27.987938][ T4271] x20: ffff0000cde851c0 x19: 0000000000000000 x18: 0000000000000000 [ 27.989153][ T4271] x17: 0000000000000000 x16: ffff800008a220d8 x15: 0000000000000000 [ 27.990317][ T4271] x14: 0000000000000002 x13: 1ffff0000285202b x12: 0000000000ff0100 [ 27.991470][ T4271] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000ffffffffffff [ 27.992629][ T4271] x8 : 0000000000000000 x7 : ffff800008758124 x6 : 0000000000000000 [ 27.993854][ T4271] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001 [ 27.995061][ T4271] x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000 [ 27.996362][ T4271] Call trace: [ 27.996862][ T4271] lookup_ioctx+0x108/0x7c8 [ 27.997482][ T4271] do_io_getevents+0x12c/0x3c8 [ 27.998209][ T4271] __arm64_sys_io_getevents+0x164/0x248 [ 27.999003][ T4271] invoke_syscall+0x98/0x2b0 [ 27.999672][ T4271] el0_svc_common+0x138/0x258 [ 28.000357][ T4271] do_el0_svc+0x58/0x13c [ 28.001025][ T4271] el0_svc+0x78/0x1d0 [ 28.001652][ T4271] el0t_64_sync_handler+0xcc/0xe4 [ 28.002428][ T4271] el0t_64_sync+0x1a0/0x1a4 [ 28.003078][ T4271] Code: d503229f 2a1f03f6 2a1f03e0 b8400953 (2a1603e1) [ 28.004099][ T4271] ---[ end trace 7f1bc1b6c9920580 ]--- [ 28.178498][ T4271] Kernel panic - not syncing: Oops - BTI: Fatal exception [ 28.179501][ T4271] SMP: stopping secondary CPUs [ 28.180176][ T4271] Kernel Offset: disabled [ 28.180845][ T4271] CPU features: 0x8,000003c1,7d33ffd9 [ 28.181633][ T4271] Memory Limit: none [ 28.349304][ T4271] Rebooting in 86400 seconds..