last executing test programs: 119.849654ms ago: executing program 1 (id=46): futex(&(0x7f0000000000), 0x0, 0x0, &(0x7f0000000000), &(0x7f0000000000), 0x0) 103.982227ms ago: executing program 1 (id=52): fchmodat(0xffffffffffffffff, &(0x7f0000000000), 0x0) 103.722358ms ago: executing program 1 (id=55): memfd_create(&(0x7f0000000000), 0x0) 87.287251ms ago: executing program 1 (id=59): umount2(&(0x7f0000000000), 0x0) 86.684201ms ago: executing program 1 (id=63): mkdirat(0xffffffffffffffff, &(0x7f0000000000), 0x0) 70.394765ms ago: executing program 1 (id=66): 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) 52.027438ms ago: executing program 3 (id=81): statfs(&(0x7f0000000000), &(0x7f0000000000)) 35.872242ms ago: executing program 3 (id=86): 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) 35.826722ms ago: executing program 0 (id=87): uname(&(0x7f0000000000)) 35.775462ms ago: executing program 4 (id=88): syz_init_net_socket$nfc_llcp(0x27, 0x1, 0x1) 35.744242ms ago: executing program 0 (id=89): preadv2(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0, 0x0, 0x0) 20.506056ms ago: executing program 3 (id=91): syz_open_dev$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$sndmidi(&(0x7f0000000500), 0x28, 0x800) 20.394156ms ago: executing program 4 (id=92): pwrite64(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0) 20.311665ms ago: executing program 2 (id=93): setfsuid(0x0) 20.290085ms ago: executing program 2 (id=94): sched_yield() 20.240125ms ago: executing program 0 (id=95): getsockname(0xffffffffffffffff, &(0x7f0000000000), &(0x7f0000000000)) 20.219156ms ago: executing program 2 (id=96): pread64(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0) 19.603756ms ago: executing program 3 (id=97): openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/attr/current', 0x2, 0x0) 19.351696ms ago: executing program 4 (id=98): gettimeofday(&(0x7f0000000000), &(0x7f0000000000)) 1.732979ms ago: executing program 2 (id=99): set_mempolicy(0x0, &(0x7f0000000000), 0x0) 1.465629ms ago: executing program 0 (id=100): removexattr(&(0x7f0000000000), &(0x7f0000000000)) 1.385979ms ago: executing program 4 (id=101): membarrier(0x0, 0x0) 1.275129ms ago: executing program 0 (id=102): file_getattr(0xffffffffffffffff, &(0x7f0000000000), &(0x7f0000000000), 0x0, 0x0) 1.183549ms ago: executing program 3 (id=103): personality(0x0) 1.000919ms ago: executing program 2 (id=104): ftruncate(0xffffffffffffffff, 0x0) 959.899µs ago: executing program 4 (id=105): unlinkat(0xffffffffffffffff, &(0x7f0000000000), 0x0) 843.889µs ago: executing program 0 (id=106): socket$inet6_mptcp(0xa, 0x1, 0x106) 806.599µs ago: executing program 3 (id=107): munlockall() 773.509µs ago: executing program 2 (id=108): io_destroy(0x0) 0s ago: executing program 4 (id=109): socket$can_raw(0x1d, 0x3, 0x1) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.1.174' (ED25519) to the list of known hosts. [ 30.800729][ T4034] cgroup: Unknown subsys name 'net' [ 31.094895][ T4034] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 31.358186][ T4034] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 32.266050][ T4157] Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP [ 32.267418][ T4157] Modules linked in: [ 32.268031][ T4157] CPU: 1 PID: 4157 Comm: syz.2.108 Not tainted syzkaller #0 [ 32.269208][ T4157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 32.270833][ T4157] pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc) [ 32.272217][ T4157] pc : lookup_ioctx+0x10c/0x7c0 [ 32.273079][ T4157] lr : lookup_ioctx+0xe8/0x7c0 [ 32.273919][ T4157] sp : ffff80001f9b7c40 [ 32.274651][ T4157] x29: ffff80001f9b7c40 x28: ffff0000d9f03680 x27: 0000000000000000 [ 32.276112][ T4157] x26: 1fffe0001b3e06d0 x25: 1ffff00003f36fd6 x24: ffff0000c857c500 [ 32.277534][ T4157] x23: dfff800000000000 x22: 00000000fffffff2 x21: 0000000000000000 [ 32.279230][ T4157] x20: ffff0000d9f03680 x19: 0000000000000000 x18: 0000000000000000 [ 32.280802][ T4157] x17: 0000000000000000 x16: ffff800008a323f0 x15: 0000000000000000 [ 32.280824][ T4157] x14: 0000000000000003 x13: 1ffff0000288202b x12: 0000000097863b1e [ 32.280833][ T4157] x11: ff80800008a323cc x10: 0000000000000000 x9 : 0000ffffffffffff [ 32.280844][ T4157] x8 : 0000000000000000 x7 : ffff800008764494 x6 : 0000000000000000 [ 32.280852][ T4157] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001 [ 32.280860][ T4157] x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000 [ 32.280868][ T4157] Call trace: [ 32.280870][ T4157] lookup_ioctx+0x10c/0x7c0 [ 32.280879][ T4157] __arm64_sys_io_destroy+0x9c/0x1d8 [ 32.280886][ T4157] invoke_syscall+0x98/0x28c [ 32.280893][ T4157] el0_svc_common+0x13c/0x258 [ 32.280898][ T4157] do_el0_svc+0x5c/0x140 [ 32.280903][ T4157] el0_svc+0x78/0x1d0 [ 32.280909][ T4157] el0t_64_sync_handler+0xcc/0xe4 [ 32.280914][ T4157] el0t_64_sync+0x1a0/0x1a4 [ 32.280921][ T4157] Code: d503229f 2a1f03f6 2a1f03e0 b8400953 (2a1603e1) [ 32.280926][ T4157] ---[ end trace 5b1e78d943ddb036 ]--- [ 32.450648][ T4157] Kernel panic - not syncing: Oops - BTI: Fatal exception [ 32.451803][ T4157] SMP: stopping secondary CPUs [ 32.452586][ T4157] Kernel Offset: disabled [ 32.453283][ T4157] CPU features: 0xa,000003c1,7d33ffd9 [ 32.454153][ T4157] Memory Limit: none [ 32.624739][ T4157] Rebooting in 86400 seconds..