last executing test programs: 318.34916ms ago: executing program 4 (id=54): syz_init_net_socket$nl_rdma(0x10, 0x3, 0x14) 288.33446ms ago: executing program 4 (id=60): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/kernel/debug/sync/sw_sync', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/sys/kernel/debug/sync/sw_sync', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/sync/sw_sync', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/sys/kernel/debug/sync/sw_sync', 0x800, 0x0) 287.51881ms ago: executing program 4 (id=65): pwritev2(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0, 0x0, 0x0) 258.932721ms ago: executing program 4 (id=69): socket$inet_icmp(0x2, 0x2, 0x1) 258.133061ms ago: executing program 4 (id=74): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/cdrom', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/cdrom', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/cdrom', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/cdrom', 0x800, 0x0) 227.374412ms ago: executing program 4 (id=78): rt_sigreturn() 126.821486ms ago: executing program 1 (id=92): fchmodat(0xffffffffffffffff, &(0x7f0000000000), 0x0) 126.572846ms ago: executing program 2 (id=94): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/audio1', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/audio1', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/audio1', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/audio1', 0x800, 0x0) 126.306876ms ago: executing program 1 (id=95): syz_init_net_socket$netrom(0x6, 0x5, 0x0) 99.524147ms ago: executing program 0 (id=100): syz_open_dev$usbfs(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$usbfs(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$usbfs(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$usbfs(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$usbfs(&(0x7f0000000140), 0xa, 0x0) syz_open_dev$usbfs(&(0x7f0000000180), 0xa, 0x1) syz_open_dev$usbfs(&(0x7f00000001c0), 0xa, 0x2) syz_open_dev$usbfs(&(0x7f0000000200), 0xa, 0x800) syz_open_dev$usbfs(&(0x7f0000000240), 0x14, 0x0) syz_open_dev$usbfs(&(0x7f0000000280), 0x14, 0x1) syz_open_dev$usbfs(&(0x7f00000002c0), 0x14, 0x2) syz_open_dev$usbfs(&(0x7f0000000300), 0x14, 0x800) syz_open_dev$usbfs(&(0x7f0000000340), 0x1e, 0x0) syz_open_dev$usbfs(&(0x7f0000000380), 0x1e, 0x1) syz_open_dev$usbfs(&(0x7f00000003c0), 0x1e, 0x2) syz_open_dev$usbfs(&(0x7f0000000400), 0x1e, 0x800) syz_open_dev$usbfs(&(0x7f0000000440), 0x28, 0x0) syz_open_dev$usbfs(&(0x7f0000000480), 0x28, 0x1) syz_open_dev$usbfs(&(0x7f00000004c0), 0x28, 0x2) syz_open_dev$usbfs(&(0x7f0000000500), 0x28, 0x800) 72.773188ms ago: executing program 2 (id=101): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vga_arbiter', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vga_arbiter', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vga_arbiter', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/vga_arbiter', 0x800, 0x0) 72.538868ms ago: executing program 3 (id=102): getpriority(0x0, 0x0) 72.276228ms ago: executing program 0 (id=103): syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 72.210538ms ago: executing program 1 (id=104): msync(0x0, 0x0, 0x0) 72.172388ms ago: executing program 3 (id=105): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/loop-control', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/loop-control', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/loop-control', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/loop-control', 0x800, 0x0) 72.126728ms ago: executing program 2 (id=106): geteuid() 27.783469ms ago: executing program 0 (id=107): getsockname(0xffffffffffffffff, &(0x7f0000000000), &(0x7f0000000000)) 27.633039ms ago: executing program 3 (id=108): rt_sigqueueinfo(0x0, 0x0, &(0x7f0000000000)) 27.481449ms ago: executing program 1 (id=109): syz_open_dev$vcsu(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$vcsu(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$vcsu(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$vcsu(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$vcsu(&(0x7f0000000140), 0x1, 0x0) syz_open_dev$vcsu(&(0x7f0000000180), 0x1, 0x1) syz_open_dev$vcsu(&(0x7f00000001c0), 0x1, 0x2) syz_open_dev$vcsu(&(0x7f0000000200), 0x1, 0x800) syz_open_dev$vcsu(&(0x7f0000000240), 0x2, 0x0) syz_open_dev$vcsu(&(0x7f0000000280), 0x2, 0x1) syz_open_dev$vcsu(&(0x7f00000002c0), 0x2, 0x2) syz_open_dev$vcsu(&(0x7f0000000300), 0x2, 0x800) syz_open_dev$vcsu(&(0x7f0000000340), 0x3, 0x0) syz_open_dev$vcsu(&(0x7f0000000380), 0x3, 0x1) syz_open_dev$vcsu(&(0x7f00000003c0), 0x3, 0x2) syz_open_dev$vcsu(&(0x7f0000000400), 0x3, 0x800) syz_open_dev$vcsu(&(0x7f0000000440), 0x4, 0x0) syz_open_dev$vcsu(&(0x7f0000000480), 0x4, 0x1) syz_open_dev$vcsu(&(0x7f00000004c0), 0x4, 0x2) syz_open_dev$vcsu(&(0x7f0000000500), 0x4, 0x800) 27.439789ms ago: executing program 3 (id=110): socket(0x10, 0x3, 0x10) 27.349409ms ago: executing program 2 (id=111): close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x0) 27.300989ms ago: executing program 0 (id=112): clock_getres(0x0, &(0x7f0000000000)) 27.153159ms ago: executing program 3 (id=113): getpeername(0xffffffffffffffff, &(0x7f0000000000), &(0x7f0000000000)) 27.078359ms ago: executing program 2 (id=114): mremap(0x0, 0x0, 0x0, 0x0, 0x0) 845.19µs ago: executing program 0 (id=115): close(0xffffffffffffffff) 564.33µs ago: executing program 1 (id=116): mprotect(0x0, 0x0, 0x0) 461.8µs ago: executing program 3 (id=117): mkdirat(0xffffffffffffffff, &(0x7f0000000000), 0x0) 316.58µs ago: executing program 2 (id=118): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vhci', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vhci', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vhci', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/vhci', 0x800, 0x0) 275.33µs ago: executing program 0 (id=119): socket$inet6_dccp(0xa, 0x6, 0x0) 0s ago: executing program 1 (id=120): syz_init_net_socket$llc(0x1a, 0x1, 0x0) 0s ago: executing program 2 (id=122): io_submit(0x0, 0x0, &(0x7f0000000000)) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.1.176' (ED25519) to the list of known hosts. [ 29.073812][ T4035] cgroup: Unknown subsys name 'net' [ 29.315492][ T4035] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 29.611823][ T4035] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 30.842547][ T4175] Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP [ 30.843846][ T4175] Modules linked in: [ 30.844473][ T4175] CPU: 0 PID: 4175 Comm: syz.2.122 Not tainted syzkaller #0 [ 30.845722][ T4175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 [ 30.847482][ T4175] pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc) [ 30.848840][ T4175] pc : lookup_ioctx+0x108/0x7c8 [ 30.849700][ T4175] lr : lookup_ioctx+0xe4/0x7c8 [ 30.850506][ T4175] sp : ffff80001f877c20 [ 30.851192][ T4175] x29: ffff80001f877c20 x28: ffff0000c73a9b40 x27: 0000000020000000 [ 30.852543][ T4175] x26: 1fffe00018e75368 x25: 1ffff00003f0efd6 x24: ffff0000ce993f40 [ 30.853875][ T4175] x23: dfff800000000000 x22: 00000000fffffff2 x21: 0000000000000000 [ 30.855171][ T4175] x20: ffff0000c73a9b40 x19: 0000000000000000 x18: 0000000000000000 [ 30.856527][ T4175] x17: 0000000000000000 x16: ffff800008a23dc8 x15: 0000000000000000 [ 30.857827][ T4175] x14: 0000000000000005 x13: 1ffff0000285602b x12: 0000000000ff0100 [ 30.859034][ T4175] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000ffffffffffff [ 30.860356][ T4175] x8 : 0000000000000000 x7 : ffff800008758d80 x6 : 0000000000000000 [ 30.861778][ T4175] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001 [ 30.863119][ T4175] x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000 [ 30.864485][ T4175] Call trace: [ 30.865034][ T4175] lookup_ioctx+0x108/0x7c8 [ 30.865820][ T4175] __arm64_sys_io_submit+0x110/0x410 [ 30.866746][ T4175] invoke_syscall+0x98/0x2b0 [ 30.867510][ T4175] el0_svc_common+0x138/0x258 [ 30.868308][ T4175] do_el0_svc+0x58/0x13c [ 30.869017][ T4175] el0_svc+0x78/0x1d0 [ 30.869717][ T4175] el0t_64_sync_handler+0xcc/0xe4 [ 30.870553][ T4175] el0t_64_sync+0x1a0/0x1a4 [ 30.871377][ T4175] Code: d503229f 2a1f03f6 2a1f03e0 b8400953 (2a1603e1) [ 30.872532][ T4175] ---[ end trace a5cc90e431166a58 ]--- [ 31.056146][ T4175] Kernel panic - not syncing: Oops - BTI: Fatal exception [ 31.057162][ T4175] SMP: stopping secondary CPUs [ 31.057812][ T4175] Kernel Offset: disabled [ 31.058481][ T4175] CPU features: 0x8,000003c1,7d33ffd9 [ 31.059260][ T4175] Memory Limit: none [ 31.242006][ T4175] Rebooting in 86400 seconds..