last executing test programs: 121.172236ms ago: executing program 2 (id=178): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/fs/smackfs/netlabel', 0x2, 0x0) 120.033166ms ago: executing program 1 (id=183): 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) 83.432437ms ago: executing program 1 (id=185): socket$pptp(0x18, 0x1, 0x2) 83.316227ms ago: executing program 2 (id=186): execve(&(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000)) 82.895897ms ago: executing program 3 (id=189): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/acpi_thermal_rel', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/acpi_thermal_rel', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/acpi_thermal_rel', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/acpi_thermal_rel', 0x800, 0x0) 82.697117ms ago: executing program 2 (id=191): openat(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/enforce', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/selinux/enforce', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/selinux/enforce', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/selinux/enforce', 0x800, 0x0) 59.998858ms ago: executing program 2 (id=193): syz_init_net_socket$netrom(0x6, 0x5, 0x0) 59.862958ms ago: executing program 0 (id=194): mlock(0x0, 0x0) 59.692518ms ago: executing program 2 (id=195): syz_open_dev$admmidi(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$admmidi(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$admmidi(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$admmidi(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$admmidi(&(0x7f0000000140), 0x1, 0x0) syz_open_dev$admmidi(&(0x7f0000000180), 0x1, 0x1) syz_open_dev$admmidi(&(0x7f00000001c0), 0x1, 0x2) syz_open_dev$admmidi(&(0x7f0000000200), 0x1, 0x800) syz_open_dev$admmidi(&(0x7f0000000240), 0x2, 0x0) syz_open_dev$admmidi(&(0x7f0000000280), 0x2, 0x1) syz_open_dev$admmidi(&(0x7f00000002c0), 0x2, 0x2) syz_open_dev$admmidi(&(0x7f0000000300), 0x2, 0x800) syz_open_dev$admmidi(&(0x7f0000000340), 0x3, 0x0) syz_open_dev$admmidi(&(0x7f0000000380), 0x3, 0x1) syz_open_dev$admmidi(&(0x7f00000003c0), 0x3, 0x2) syz_open_dev$admmidi(&(0x7f0000000400), 0x3, 0x800) syz_open_dev$admmidi(&(0x7f0000000440), 0x4, 0x0) syz_open_dev$admmidi(&(0x7f0000000480), 0x4, 0x1) syz_open_dev$admmidi(&(0x7f00000004c0), 0x4, 0x2) syz_open_dev$admmidi(&(0x7f0000000500), 0x4, 0x800) 59.644508ms ago: executing program 3 (id=196): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/kernel/debug/sync/sw_sync', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/sys/kernel/debug/sync/sw_sync', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/sync/sw_sync', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/sys/kernel/debug/sync/sw_sync', 0x800, 0x0) 59.586068ms ago: executing program 4 (id=197): setfsgid(0x0) 59.455118ms ago: executing program 0 (id=198): syz_open_dev$swradio(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$swradio(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$swradio(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$swradio(&(0x7f0000000100), 0x0, 0x800) 59.346518ms ago: executing program 3 (id=199): openat(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/load', 0x2, 0x0) 59.242488ms ago: executing program 4 (id=200): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/video0', 0x2, 0x0) 26.17506ms ago: executing program 0 (id=201): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/kernel/debug/sync/info', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/sys/kernel/debug/sync/info', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/sync/info', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/sys/kernel/debug/sync/info', 0x800, 0x0) 26.08608ms ago: executing program 4 (id=202): userfaultfd(0x0) 26.006229ms ago: executing program 0 (id=203): 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) 25.93512ms ago: executing program 1 (id=204): futex(&(0x7f0000000000), 0x0, 0x0, &(0x7f0000000000), &(0x7f0000000000), 0x0) 25.842789ms ago: executing program 4 (id=205): fchmodat(0xffffffffffffffff, &(0x7f0000000000), 0x0) 25.78686ms ago: executing program 0 (id=206): getgid() 25.604949ms ago: executing program 3 (id=207): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/qrtr-tun', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/qrtr-tun', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/qrtr-tun', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/qrtr-tun', 0x800, 0x0) 25.498929ms ago: executing program 1 (id=208): socket$pppl2tp(0x18, 0x1, 0x1) 694.09µs ago: executing program 4 (id=209): mq_unlink(&(0x7f0000000000)) 480.4µs ago: executing program 0 (id=210): lseek(0xffffffffffffffff, 0x0, 0x0) 414.58µs ago: executing program 3 (id=211): clone(0x0, &(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000)) exit(0x0) 349.98µs ago: executing program 1 (id=212): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/fs/smackfs/direct', 0x2, 0x0) 279.59µs ago: executing program 4 (id=213): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/fb1', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/fb1', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/fb1', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/fb1', 0x800, 0x0) 230.15µs ago: executing program 1 (id=214): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/fs/smackfs/logging', 0x2, 0x0) 200.84µs ago: executing program 3 (id=215): inotify_rm_watch(0xffffffffffffffff, 0x0) 0s ago: executing program 2 (id=216): syz_open_dev$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) kernel console output (not intermixed with test programs): [ 11.536725][ T3712] eql: remember to turn off Van-Jacobson compression on your slave devices Starting crond: OK [ 11.575304][ T136] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 11.580116][ T136] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.17' (ED25519) to the list of known hosts. syzkaller login: [ 29.754535][ T4034] cgroup: Unknown subsys name 'net' [ 30.025895][ T4034] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 30.301485][ T4034] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 31.700328][ T4252] uffd: Set unprivileged_userfaultfd sysctl knob to 1 if kernel faults must be handled without obtaining CAP_SYS_PTRACE capability [ 31.748449][ T4265] Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP [ 31.749835][ T4265] Modules linked in: [ 31.750518][ T4265] CPU: 1 PID: 4265 Comm: syz.3.211 Not tainted syzkaller #0 [ 31.751829][ T4265] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 31.753558][ T4265] pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc) SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 31.754917][ T4265] pc : do_notify_resume+0x958/0x309c [ 31.755785][ T4265] lr : do_notify_resume+0x93c/0x309c [ 31.756769][ T4265] sp : ffff80001fde7be0 [ 31.757504][ T4265] x29: ffff80001fde7e00 x28: ffff0000cf4c1b64 x27: 0000000000000001 [ 31.758989][ T4265] x26: 000000001fffeda0 x25: dfff800000000000 x24: 0000000000000000 [ 31.760414][ T4265] x23: 0000000000000001 x22: 000000001fffee20 x21: 0000000000000000 [ 31.761887][ T4265] x20: 00000000fffffff2 x19: 0000001fffee2000 x18: 0000000000000200 [ 31.763251][ T4265] x17: 0000000000000000 x16: ffff800008041c80 x15: 0000000000000002 [ 31.764626][ T4265] x14: 0000000000000009 x13: 1ffff0000285402b x12: 0000000000ff0100 [ 31.766095][ T4265] x11: 0000000000000000 x10: 0000ffffffffffff x9 : 000000001fffee20 [ 31.767646][ T4265] x8 : 000000001fffee20 x7 : ffff800008758eb0 x6 : 0000000000000000 [ 31.769015][ T4265] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001 [ 31.770399][ T4265] x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000 [ 31.771815][ T4265] Call trace: [ 31.772390][ T4265] do_notify_resume+0x958/0x309c [ 31.773231][ T4265] el0_da+0x10c/0x1ec [ 31.773901][ T4265] el0t_64_sync_handler+0xd8/0xe4 [ 31.774748][ T4265] el0t_64_sync+0x1a0/0x1a4 [ 31.775498][ T4265] Code: ea2a011f 9a9f02c9 d503229f f8000938 (14000003) [ 31.776615][ T4265] ---[ end trace 582649734471d514 ]--- [ 31.946851][ T4265] Kernel panic - not syncing: Oops - BTI: Fatal exception [ 31.948111][ T4265] SMP: stopping secondary CPUs [ 31.948927][ T4265] Kernel Offset: disabled [ 31.949637][ T4265] CPU features: 0x8,000003c1,7d33ffd9 [ 31.950595][ T4265] Memory Limit: none [ 32.113420][ T4265] Rebooting in 86400 seconds..