last executing test programs: 369.555934ms ago: executing program 0 (id=27): pipe2(&(0x7f0000000000), 0x0) 338.740115ms ago: executing program 0 (id=32): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/fb0', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/fb0', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/fb0', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/fb0', 0x800, 0x0) 338.519564ms ago: executing program 0 (id=36): accept4(0xffffffffffffffff, 0x0, &(0x7f0000000000), 0x0) 309.139955ms ago: executing program 0 (id=41): mkdirat(0xffffffffffffffff, &(0x7f0000000000), 0x0) 308.950245ms ago: executing program 0 (id=44): clone3(&(0x7f0000000000), 0x0) exit(0x0) 279.184375ms ago: executing program 0 (id=46): rt_sigreturn() 132.819828ms ago: executing program 2 (id=72): quotactl_fd$Q_GETFMT(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000000)) 132.785228ms ago: executing program 1 (id=73): socket$l2tp6(0xa, 0x2, 0x73) 90.514458ms ago: executing program 4 (id=75): recvmmsg(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0, 0x0) 90.285268ms ago: executing program 1 (id=76): get_mempolicy(&(0x7f0000000000), &(0x7f0000000000), 0x0, 0x0, 0x0) 90.224058ms ago: executing program 2 (id=77): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ubi_ctrl', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ubi_ctrl', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ubi_ctrl', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ubi_ctrl', 0x800, 0x0) 90.119418ms ago: executing program 3 (id=78): setregid(0x0, 0x0) 90.083628ms ago: executing program 4 (id=79): fchownat(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0, 0x0) 90.011008ms ago: executing program 1 (id=80): setuid(0x0) 89.965118ms ago: executing program 3 (id=81): statx(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0, &(0x7f0000000000)) 79.434839ms ago: executing program 2 (id=82): sync_file_range(0xffffffffffffffff, 0x0, 0x0, 0x0) 79.261849ms ago: executing program 3 (id=83): sched_getscheduler(0x0) 79.194789ms ago: executing program 4 (id=84): rseq(&(0x7f0000000000), 0x0, 0x0, 0x0) 61.545519ms ago: executing program 1 (id=85): openat(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/member', 0x2, 0x0) 61.473629ms ago: executing program 4 (id=86): socket$nl_crypto(0x10, 0x3, 0x15) 18.61268ms ago: executing program 2 (id=87): mmap(0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) 18.4687ms ago: executing program 3 (id=88): accept(0xffffffffffffffff, 0x0, &(0x7f0000000000)) 18.38481ms ago: executing program 2 (id=89): socket$netlink(0x10, 0x3, 0x0) 18.31174ms ago: executing program 3 (id=90): get_robust_list(0x0, &(0x7f0000000000), &(0x7f0000000000)) 18.23813ms ago: executing program 4 (id=91): socket$igmp(0x2, 0x3, 0x2) 18.12511ms ago: executing program 1 (id=92): getsockname(0xffffffffffffffff, &(0x7f0000000000), &(0x7f0000000000)) 18.06521ms ago: executing program 2 (id=93): process_madvise(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0, 0x0) 8.83445ms ago: executing program 3 (id=94): syz_open_dev$dmmidi(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$dmmidi(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$dmmidi(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$dmmidi(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$dmmidi(&(0x7f0000000140), 0x1, 0x0) syz_open_dev$dmmidi(&(0x7f0000000180), 0x1, 0x1) syz_open_dev$dmmidi(&(0x7f00000001c0), 0x1, 0x2) syz_open_dev$dmmidi(&(0x7f0000000200), 0x1, 0x800) syz_open_dev$dmmidi(&(0x7f0000000240), 0x2, 0x0) syz_open_dev$dmmidi(&(0x7f0000000280), 0x2, 0x1) syz_open_dev$dmmidi(&(0x7f00000002c0), 0x2, 0x2) syz_open_dev$dmmidi(&(0x7f0000000300), 0x2, 0x800) syz_open_dev$dmmidi(&(0x7f0000000340), 0x3, 0x0) syz_open_dev$dmmidi(&(0x7f0000000380), 0x3, 0x1) syz_open_dev$dmmidi(&(0x7f00000003c0), 0x3, 0x2) syz_open_dev$dmmidi(&(0x7f0000000400), 0x3, 0x800) syz_open_dev$dmmidi(&(0x7f0000000440), 0x4, 0x0) syz_open_dev$dmmidi(&(0x7f0000000480), 0x4, 0x1) syz_open_dev$dmmidi(&(0x7f00000004c0), 0x4, 0x2) syz_open_dev$dmmidi(&(0x7f0000000500), 0x4, 0x800) 216.33µs ago: executing program 1 (id=95): io_getevents(0x0, 0x0, 0x0, &(0x7f0000000000), 0x0) 0s ago: executing program 4 (id=96): openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/attr/current', 0x2, 0x0) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.1.19' (ED25519) to the list of known hosts. [ 29.271773][ T4033] cgroup: Unknown subsys name 'net' [ 29.546924][ T4033] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 29.866918][ T4033] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 30.625778][ T4058] uffd: Set unprivileged_userfaultfd sysctl knob to 1 if kernel faults must be handled without obtaining CAP_SYS_PTRACE capability [ 31.082920][ T4150] Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP [ 31.084376][ T4150] Modules linked in: [ 31.085153][ T4150] CPU: 0 PID: 4150 Comm: syz.1.95 Not tainted syzkaller #0 [ 31.086643][ T4150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 31.088748][ T4150] pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc) [ 31.090268][ T4150] pc : lookup_ioctx+0x10c/0x7c0 [ 31.091244][ T4150] lr : lookup_ioctx+0xe8/0x7c0 [ 31.092156][ T4150] sp : ffff80001fa37b20 [ 31.092980][ T4150] x29: ffff80001fa37b20 x28: ffff0000d55851c0 x27: dfff800000000000 [ 31.094561][ T4150] x26: ffff80001fa37b80 x25: ffff700003f46f70 x24: ffff0000d7e5bf40 [ 31.096163][ T4150] x23: dfff800000000000 x22: 00000000fffffff2 x21: 0000000000000000 [ 31.097692][ T4150] x20: ffff0000d55851c0 x19: 0000000000000000 x18: 0000000000000000 [ 31.099229][ T4150] x17: 0000000000000000 x16: ffff800008a323f0 x15: 0000000000000000 [ 31.100791][ T4150] x14: 0000000000000002 x13: 1ffff0000288202b x12: 0000000097863b1e [ 31.102289][ T4150] x11: ff80800008a323cc x10: 0000000000000000 x9 : 0000ffffffffffff [ 31.103958][ T4150] x8 : 0000000000000000 x7 : ffff800008764494 x6 : 0000000000000000 [ 31.105447][ T4150] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001 [ 31.107001][ T4150] x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000 [ 31.108557][ T4150] Call trace: [ 31.109170][ T4150] lookup_ioctx+0x10c/0x7c0 [ 31.110114][ T4150] do_io_getevents+0x12c/0x3c8 [ 31.111054][ T4150] __arm64_sys_io_getevents+0x16c/0x250 [ 31.112090][ T4150] invoke_syscall+0x98/0x28c [ 31.112924][ T4150] el0_svc_common+0x13c/0x258 [ 31.113784][ T4150] do_el0_svc+0x5c/0x140 [ 31.114552][ T4150] el0_svc+0x78/0x1d0 [ 31.115279][ T4150] el0t_64_sync_handler+0xcc/0xe4 [ 31.116197][ T4150] el0t_64_sync+0x1a0/0x1a4 [ 31.117057][ T4150] Code: d503229f 2a1f03f6 2a1f03e0 b8400953 (2a1603e1) [ 31.118380][ T4150] ---[ end trace 53bcf8d8f4b1f02d ]--- SYZFAIL: failed to recv rpc fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor) [ 31.357438][ T4150] Kernel panic - not syncing: Oops - BTI: Fatal exception [ 31.358907][ T4150] SMP: stopping secondary CPUs [ 31.359891][ T4150] Kernel Offset: disabled [ 31.360778][ T4150] CPU features: 0xa,000003c1,7d33ffd9 [ 31.361878][ T4150] Memory Limit: none [ 31.607446][ T4150] Rebooting in 86400 seconds..