last executing test programs: 143.048283ms ago: executing program 4 (id=5): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/video1', 0x2, 0x0) 142.257563ms ago: executing program 4 (id=13): syz_open_dev$midi(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$midi(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$midi(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$midi(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$midi(&(0x7f0000000140), 0x1, 0x0) syz_open_dev$midi(&(0x7f0000000180), 0x1, 0x1) syz_open_dev$midi(&(0x7f00000001c0), 0x1, 0x2) syz_open_dev$midi(&(0x7f0000000200), 0x1, 0x800) syz_open_dev$midi(&(0x7f0000000240), 0x2, 0x0) syz_open_dev$midi(&(0x7f0000000280), 0x2, 0x1) syz_open_dev$midi(&(0x7f00000002c0), 0x2, 0x2) syz_open_dev$midi(&(0x7f0000000300), 0x2, 0x800) syz_open_dev$midi(&(0x7f0000000340), 0x3, 0x0) syz_open_dev$midi(&(0x7f0000000380), 0x3, 0x1) syz_open_dev$midi(&(0x7f00000003c0), 0x3, 0x2) syz_open_dev$midi(&(0x7f0000000400), 0x3, 0x800) syz_open_dev$midi(&(0x7f0000000440), 0x4, 0x0) syz_open_dev$midi(&(0x7f0000000480), 0x4, 0x1) syz_open_dev$midi(&(0x7f00000004c0), 0x4, 0x2) syz_open_dev$midi(&(0x7f0000000500), 0x4, 0x800) 68.457817ms ago: executing program 2 (id=25): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/fs/smackfs/syslog', 0x2, 0x0) 68.284407ms ago: executing program 0 (id=26): listen(0xffffffffffffffff, 0x0) 68.218327ms ago: executing program 2 (id=27): unlinkat(0xffffffffffffffff, &(0x7f0000000000), 0x0) 68.141437ms ago: executing program 0 (id=28): readahead(0xffffffffffffffff, 0x0, 0x0) 67.792507ms ago: executing program 0 (id=31): fcntl$F_GET_FILE_RW_HINT(0xffffffffffffffff, 0x40d, &(0x7f0000000000)) 67.745717ms ago: executing program 3 (id=32): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/fs/smackfs/change-rule', 0x2, 0x0) 50.669378ms ago: executing program 1 (id=33): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/raw-gadget', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/raw-gadget', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/raw-gadget', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/raw-gadget', 0x800, 0x0) 50.505938ms ago: executing program 2 (id=34): socket$pppoe(0x18, 0x1, 0x0) 50.413968ms ago: executing program 4 (id=35): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/userio', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/userio', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/userio', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/userio', 0x800, 0x0) 50.275138ms ago: executing program 3 (id=36): writev(0xffffffffffffffff, &(0x7f0000000000), 0x0) 50.220308ms ago: executing program 1 (id=37): openat(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/avc/cache_threshold', 0x2, 0x0) 50.180258ms ago: executing program 0 (id=38): connect(0xffffffffffffffff, &(0x7f0000000000), 0x0) 50.128388ms ago: executing program 3 (id=39): socket$tipc(0x1e, 0x2, 0x0) 20.977259ms ago: executing program 1 (id=40): prctl$0(0x0, 0x0, 0x0, 0x0, 0x0) 20.884309ms ago: executing program 3 (id=41): preadv2(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0, 0x0, 0x0) 20.810109ms ago: executing program 2 (id=42): socket$inet_icmp_raw(0x2, 0x3, 0x1) 20.741879ms ago: executing program 0 (id=43): syz_open_dev$sg(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$sg(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$sg(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$sg(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$sg(&(0x7f0000000140), 0x1, 0x0) syz_open_dev$sg(&(0x7f0000000180), 0x1, 0x1) syz_open_dev$sg(&(0x7f00000001c0), 0x1, 0x2) syz_open_dev$sg(&(0x7f0000000200), 0x1, 0x800) syz_open_dev$sg(&(0x7f0000000240), 0x2, 0x0) syz_open_dev$sg(&(0x7f0000000280), 0x2, 0x1) syz_open_dev$sg(&(0x7f00000002c0), 0x2, 0x2) syz_open_dev$sg(&(0x7f0000000300), 0x2, 0x800) syz_open_dev$sg(&(0x7f0000000340), 0x3, 0x0) syz_open_dev$sg(&(0x7f0000000380), 0x3, 0x1) syz_open_dev$sg(&(0x7f00000003c0), 0x3, 0x2) syz_open_dev$sg(&(0x7f0000000400), 0x3, 0x800) syz_open_dev$sg(&(0x7f0000000440), 0x4, 0x0) syz_open_dev$sg(&(0x7f0000000480), 0x4, 0x1) syz_open_dev$sg(&(0x7f00000004c0), 0x4, 0x2) syz_open_dev$sg(&(0x7f0000000500), 0x4, 0x800) 20.693909ms ago: executing program 4 (id=44): socket(0x1e, 0x2, 0x0) 20.617169ms ago: executing program 3 (id=45): shmctl$IPC_INFO(0x0, 0x3, &(0x7f0000000000)) 20.562439ms ago: executing program 1 (id=46): ptrace(0x0, 0x0) 20.432159ms ago: executing program 2 (id=47): quotactl$Q_GETFMT(0x0, &(0x7f0000000000), 0x0, &(0x7f0000000000)) 590.69µs ago: executing program 1 (id=48): accept(0xffffffffffffffff, 0x0, &(0x7f0000000000)) 472.59µs ago: executing program 4 (id=49): getpid() 228.53µs ago: executing program 1 (id=50): syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) 145.39µs ago: executing program 3 (id=51): lseek(0xffffffffffffffff, 0x0, 0x0) 72.67µs ago: executing program 0 (id=52): bind(0xffffffffffffffff, &(0x7f0000000000), 0x0) 0s ago: executing program 2 (id=53): io_getevents(0x0, 0x0, 0x0, &(0x7f0000000000), 0x0) kernel console output (not intermixed with test programs): [ 11.190951][ T3713] eql: remember to turn off Van-Jacobson compression on your slave devices Starting crond: OK [ 11.227765][ T148] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 11.234704][ T148] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.172' (ED25519) to the list of known hosts. syzkaller login: [ 31.534480][ T4031] cgroup: Unknown subsys name 'net' [ 31.791800][ T4031] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 32.067152][ T4031] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 32.932504][ T4100] Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP [ 32.933848][ T4100] Modules linked in: SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 32.934457][ T4100] CPU: 1 PID: 4100 Comm: syz.2.53 Not tainted syzkaller #0 [ 32.935599][ T4100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/26/2026 [ 32.937230][ T4100] pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc) [ 32.938479][ T4100] pc : lookup_ioctx+0x108/0x7c8 [ 32.939310][ T4100] lr : lookup_ioctx+0xe4/0x7c8 [ 32.940001][ T4100] sp : ffff80001f5e7b20 [ 32.940636][ T4100] x29: ffff80001f5e7b20 x28: ffff0000d9698000 x27: dfff800000000000 [ 32.941868][ T4100] x26: ffff80001f5e7b80 x25: ffff700003ebcf70 x24: ffff0000c1465640 [ 32.943263][ T4100] x23: dfff800000000000 x22: 00000000fffffff2 x21: 0000000000000000 [ 32.944629][ T4100] x20: ffff0000d9698000 x19: 0000000000000000 x18: 0000000000000000 [ 32.945874][ T4100] x17: 0000000000000000 x16: ffff800008a22ca0 x15: 0000000000000000 [ 32.947174][ T4100] x14: 0000000000000002 x13: 1ffff0000285402b x12: 0000000000ff0100 [ 32.948352][ T4100] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000ffffffffffff [ 32.949521][ T4100] x8 : 0000000000000000 x7 : ffff8000087585b4 x6 : 0000000000000000 [ 32.950833][ T4100] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001 [ 32.952256][ T4100] x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000 [ 32.953636][ T4100] Call trace: [ 32.954242][ T4100] lookup_ioctx+0x108/0x7c8 [ 32.954965][ T4100] do_io_getevents+0x12c/0x3c8 [ 32.955767][ T4100] __arm64_sys_io_getevents+0x164/0x248 [ 32.956657][ T4100] invoke_syscall+0x98/0x2b0 [ 32.957393][ T4100] el0_svc_common+0x138/0x258 [ 32.958084][ T4100] do_el0_svc+0x58/0x13c [ 32.958802][ T4100] el0_svc+0x78/0x1d0 [ 32.959373][ T4100] el0t_64_sync_handler+0xcc/0xe4 [ 32.960209][ T4100] el0t_64_sync+0x1a0/0x1a4 [ 32.960906][ T4100] Code: d503229f 2a1f03f6 2a1f03e0 b8400953 (2a1603e1) [ 32.961949][ T4100] ---[ end trace 87a0bbd2db1dcc2c ]--- [ 33.173026][ T4100] Kernel panic - not syncing: Oops - BTI: Fatal exception [ 33.174127][ T4100] SMP: stopping secondary CPUs [ 33.174893][ T4100] Kernel Offset: disabled [ 33.175546][ T4100] CPU features: 0x8,000003c1,7d33ffd9 [ 33.176458][ T4100] Memory Limit: none [ 33.374677][ T4100] Rebooting in 86400 seconds..