last executing test programs: 145.249021ms ago: executing program 3 (id=184): shutdown(0xffffffffffffffff, 0x0) 117.615433ms ago: executing program 3 (id=189): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dsp1', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dsp1', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dsp1', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/dsp1', 0x800, 0x0) 117.327903ms ago: executing program 1 (id=192): syz_init_net_socket$802154_raw(0x24, 0x3, 0x0) 80.488355ms ago: executing program 4 (id=197): setns(0xffffffffffffffff, 0x0) 80.194735ms ago: executing program 2 (id=198): get_mempolicy(&(0x7f0000000000), &(0x7f0000000000), 0x0, 0x0, 0x0) 80.094405ms ago: executing program 1 (id=199): syz_open_dev$I2C(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$I2C(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$I2C(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$I2C(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$I2C(&(0x7f0000000140), 0x1, 0x0) syz_open_dev$I2C(&(0x7f0000000180), 0x1, 0x1) syz_open_dev$I2C(&(0x7f00000001c0), 0x1, 0x2) syz_open_dev$I2C(&(0x7f0000000200), 0x1, 0x800) syz_open_dev$I2C(&(0x7f0000000240), 0x2, 0x0) syz_open_dev$I2C(&(0x7f0000000280), 0x2, 0x1) syz_open_dev$I2C(&(0x7f00000002c0), 0x2, 0x2) syz_open_dev$I2C(&(0x7f0000000300), 0x2, 0x800) syz_open_dev$I2C(&(0x7f0000000340), 0x3, 0x0) syz_open_dev$I2C(&(0x7f0000000380), 0x3, 0x1) syz_open_dev$I2C(&(0x7f00000003c0), 0x3, 0x2) syz_open_dev$I2C(&(0x7f0000000400), 0x3, 0x800) syz_open_dev$I2C(&(0x7f0000000440), 0x4, 0x0) syz_open_dev$I2C(&(0x7f0000000480), 0x4, 0x1) syz_open_dev$I2C(&(0x7f00000004c0), 0x4, 0x2) syz_open_dev$I2C(&(0x7f0000000500), 0x4, 0x800) 79.995775ms ago: executing program 4 (id=200): fanotify_init(0x0, 0x0) 79.749195ms ago: executing program 2 (id=201): pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0) 79.534945ms ago: executing program 0 (id=202): ptrace(0x0, 0x0) 47.048667ms ago: executing program 4 (id=203): socket$inet_icmp(0x2, 0x2, 0x1) 46.329327ms ago: executing program 1 (id=204): openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/asound/card0/oss_mixer', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/proc/asound/card0/oss_mixer', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/asound/card0/oss_mixer', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/asound/card0/oss_mixer', 0x800, 0x0) 46.143157ms ago: executing program 0 (id=205): 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) 46.070137ms ago: executing program 3 (id=206): semop(0x0, &(0x7f0000000000), 0x0) 45.628267ms ago: executing program 2 (id=207): mq_unlink(&(0x7f0000000000)) 45.363687ms ago: executing program 1 (id=208): socket$l2tp(0x2, 0x2, 0x73) 24.805848ms ago: executing program 0 (id=209): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/nvram', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/nvram', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/nvram', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/nvram', 0x800, 0x0) 24.577228ms ago: executing program 2 (id=210): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vtpmx', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vtpmx', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vtpmx', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/vtpmx', 0x800, 0x0) 24.481168ms ago: executing program 3 (id=211): syz_open_dev$video(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$video(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$video(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$video(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$video(&(0x7f0000000140), 0x1, 0x0) syz_open_dev$video(&(0x7f0000000180), 0x1, 0x1) syz_open_dev$video(&(0x7f00000001c0), 0x1, 0x2) syz_open_dev$video(&(0x7f0000000200), 0x1, 0x800) syz_open_dev$video(&(0x7f0000000240), 0x2, 0x0) syz_open_dev$video(&(0x7f0000000280), 0x2, 0x1) syz_open_dev$video(&(0x7f00000002c0), 0x2, 0x2) syz_open_dev$video(&(0x7f0000000300), 0x2, 0x800) syz_open_dev$video(&(0x7f0000000340), 0x3, 0x0) syz_open_dev$video(&(0x7f0000000380), 0x3, 0x1) syz_open_dev$video(&(0x7f00000003c0), 0x3, 0x2) syz_open_dev$video(&(0x7f0000000400), 0x3, 0x800) syz_open_dev$video(&(0x7f0000000440), 0x4, 0x0) syz_open_dev$video(&(0x7f0000000480), 0x4, 0x1) syz_open_dev$video(&(0x7f00000004c0), 0x4, 0x2) syz_open_dev$video(&(0x7f0000000500), 0x4, 0x800) 24.370018ms ago: executing program 1 (id=212): sched_yield() 24.255349ms ago: executing program 4 (id=213): mknodat(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0) 24.183569ms ago: executing program 2 (id=214): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/kernel/debug/bluetooth/6lowpan_enable', 0x2, 0x0) 24.020049ms ago: executing program 0 (id=215): msgctl$IPC_INFO(0x0, 0x3, &(0x7f0000000000)) 23.558808ms ago: executing program 3 (id=216): 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) 1.49734ms ago: executing program 2 (id=217): io_cancel(0x0, &(0x7f0000000000), &(0x7f0000000000)) 1.17636ms ago: executing program 4 (id=218): 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) 912.64µs ago: executing program 0 (id=219): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/socket/zygote', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/socket/zygote', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/socket/zygote', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/socket/zygote', 0x800, 0x0) 612.14µs ago: executing program 1 (id=220): geteuid() 378.02µs ago: executing program 3 (id=221): syz_open_dev$audion(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$audion(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$audion(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$audion(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$audion(&(0x7f0000000140), 0x1, 0x0) syz_open_dev$audion(&(0x7f0000000180), 0x1, 0x1) syz_open_dev$audion(&(0x7f00000001c0), 0x1, 0x2) syz_open_dev$audion(&(0x7f0000000200), 0x1, 0x800) syz_open_dev$audion(&(0x7f0000000240), 0x2, 0x0) syz_open_dev$audion(&(0x7f0000000280), 0x2, 0x1) syz_open_dev$audion(&(0x7f00000002c0), 0x2, 0x2) syz_open_dev$audion(&(0x7f0000000300), 0x2, 0x800) syz_open_dev$audion(&(0x7f0000000340), 0x3, 0x0) syz_open_dev$audion(&(0x7f0000000380), 0x3, 0x1) syz_open_dev$audion(&(0x7f00000003c0), 0x3, 0x2) syz_open_dev$audion(&(0x7f0000000400), 0x3, 0x800) syz_open_dev$audion(&(0x7f0000000440), 0x4, 0x0) syz_open_dev$audion(&(0x7f0000000480), 0x4, 0x1) syz_open_dev$audion(&(0x7f00000004c0), 0x4, 0x2) syz_open_dev$audion(&(0x7f0000000500), 0x4, 0x800) 286.04µs ago: executing program 0 (id=222): epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, 0xffffffffffffffff, &(0x7f0000000000)) 0s ago: executing program 4 (id=223): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/kernel/debug/damon/mk_contexts', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/sys/kernel/debug/damon/mk_contexts', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/damon/mk_contexts', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/sys/kernel/debug/damon/mk_contexts', 0x800, 0x0) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.1.115' (ED25519) to the list of known hosts. [ 30.763406][ T4032] cgroup: Unknown subsys name 'net' [ 31.010827][ T4032] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 31.286568][ T4032] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 32.595696][ T4209] uffd: Set unprivileged_userfaultfd sysctl knob to 1 if kernel faults must be handled without obtaining CAP_SYS_PTRACE capability [ 32.842671][ T4273] Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP [ 32.843903][ T4273] Modules linked in: [ 32.844591][ T4273] CPU: 1 PID: 4273 Comm: syz.2.217 Not tainted syzkaller #0 [ 32.845785][ T4273] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 [ 32.847248][ T4273] pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc) [ 32.848474][ T4273] pc : lookup_ioctx+0x108/0x7c8 [ 32.849261][ T4273] lr : lookup_ioctx+0xe4/0x7c8 [ 32.850029][ T4273] sp : ffff800020077cf0 [ 32.850617][ T4273] x29: ffff800020077cf0 x28: ffff0000c0b651c0 x27: 0000000000000000 [ 32.851772][ T4273] x26: 1fffe0001816ca38 x25: 0000000000400040 x24: ffff0000c8266d40 [ 32.852954][ T4273] x23: dfff800000000000 x22: 00000000fffffff2 x21: 0000000000000000 [ 32.854168][ T4273] x20: ffff0000c0b651c0 x19: 0000000000000000 x18: 0000000000000000 [ 32.855459][ T4273] x17: 0000000000000000 x16: ffff800008a220d8 x15: 0000000000000000 [ 32.856672][ T4273] x14: 0000000000000003 x13: 1ffff0000285202b x12: 0000000000ff0100 [ 32.857957][ T4273] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000ffffffffffff [ 32.859349][ T4273] x8 : 0000000000000000 x7 : ffff800008758124 x6 : 0000000000000000 [ 32.860559][ T4273] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001 [ 32.861932][ T4273] x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000 [ 32.863294][ T4273] Call trace: [ 32.863809][ T4273] lookup_ioctx+0x108/0x7c8 [ 32.864536][ T4273] __arm64_sys_io_cancel+0x160/0x338 [ 32.865336][ T4273] invoke_syscall+0x98/0x2b0 [ 32.866065][ T4273] el0_svc_common+0x138/0x258 [ 32.866828][ T4273] do_el0_svc+0x58/0x13c [ 32.867502][ T4273] el0_svc+0x78/0x1d0 [ 32.868095][ T4273] el0t_64_sync_handler+0xcc/0xe4 [ 32.868890][ T4273] el0t_64_sync+0x1a0/0x1a4 [ 32.869631][ T4273] Code: d503229f 2a1f03f6 2a1f03e0 b8400953 (2a1603e1) [ 32.870730][ T4273] ---[ end trace e2c535209ecd8478 ]--- SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 33.065900][ T4273] Kernel panic - not syncing: Oops - BTI: Fatal exception [ 33.066888][ T4273] SMP: stopping secondary CPUs [ 33.067574][ T4273] Kernel Offset: disabled [ 33.068262][ T4273] CPU features: 0x8,000003c1,7d33ffd9 [ 33.069028][ T4273] Memory Limit: none [ 33.266385][ T4273] Rebooting in 86400 seconds..