last executing test programs: 78.956286ms ago: executing program 4 (id=149): getpeername(0xffffffffffffffff, &(0x7f0000000000), &(0x7f0000000000)) 77.204776ms ago: executing program 4 (id=154): munmap(0x0, 0x0) 58.975759ms ago: executing program 4 (id=158): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/fs/smackfs/ambient', 0x2, 0x0) 58.848679ms ago: executing program 4 (id=160): set_robust_list(&(0x7f0000000000), 0x0) 58.791749ms ago: executing program 1 (id=161): pipe2(&(0x7f0000000000), 0x0) 37.820523ms ago: executing program 4 (id=164): socket$inet6_udplite(0xa, 0x2, 0x88) 37.494343ms ago: executing program 1 (id=166): umount2(&(0x7f0000000000), 0x0) 37.269533ms ago: executing program 2 (id=167): dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) 37.033063ms ago: executing program 0 (id=168): seccomp$SECCOMP_GET_ACTION_AVAIL(0x2, 0x0, &(0x7f0000000000)) 36.918863ms ago: executing program 4 (id=169): 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) 36.818563ms ago: executing program 3 (id=170): splice(0xffffffffffffffff, &(0x7f0000000000), 0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0) 36.742573ms ago: executing program 0 (id=171): readahead(0xffffffffffffffff, 0x0, 0x0) 36.586553ms ago: executing program 1 (id=172): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/video37', 0x2, 0x0) 36.483233ms ago: executing program 2 (id=173): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ppp', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ppp', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ppp', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ppp', 0x800, 0x0) 19.817926ms ago: executing program 0 (id=174): syz_init_net_socket$nl_rdma(0x10, 0x3, 0x14) 19.622186ms ago: executing program 3 (id=175): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/kernel/debug/damon/target_ids', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/sys/kernel/debug/damon/target_ids', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/damon/target_ids', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/sys/kernel/debug/damon/target_ids', 0x800, 0x0) 19.539706ms ago: executing program 1 (id=176): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptp0', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ptp0', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ptp0', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ptp0', 0x800, 0x0) 19.479376ms ago: executing program 2 (id=177): openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/kernel/debug/sync/sw_sync', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/sys/kernel/debug/sync/sw_sync', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/sync/sw_sync', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/sys/kernel/debug/sync/sw_sync', 0x800, 0x0) 19.168646ms ago: executing program 2 (id=178): shmget(0xffffffffffffffff, 0x0, 0x0, 0x0) 19.123506ms ago: executing program 3 (id=179): syz_init_net_socket$nfc_llcp(0x27, 0x1, 0x1) 19.013846ms ago: executing program 0 (id=180): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vsock', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vsock', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vsock', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/vsock', 0x800, 0x0) 1.065329ms ago: executing program 1 (id=181): getdents64(0xffffffffffffffff, &(0x7f0000000000), 0x0) 969.72µs ago: executing program 3 (id=182): sched_getscheduler(0x0) 794.82µs ago: executing program 0 (id=183): openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/video0', 0x2, 0x0) 648.029µs ago: executing program 2 (id=184): socket$l2tp(0x2, 0x2, 0x73) 608.149µs ago: executing program 1 (id=185): openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sys/fs/binfmt_misc/register', 0x1, 0x0) 582.069µs ago: executing program 3 (id=186): map_shadow_stack(0x0, 0x0, 0x0) 478.229µs ago: executing program 3 (id=187): syz_open_dev$ublk_bdev(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$ublk_bdev(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$ublk_bdev(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$ublk_bdev(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$ublk_bdev(&(0x7f0000000140), 0x1, 0x0) syz_open_dev$ublk_bdev(&(0x7f0000000180), 0x1, 0x1) syz_open_dev$ublk_bdev(&(0x7f00000001c0), 0x1, 0x2) syz_open_dev$ublk_bdev(&(0x7f0000000200), 0x1, 0x800) syz_open_dev$ublk_bdev(&(0x7f0000000240), 0x2, 0x0) syz_open_dev$ublk_bdev(&(0x7f0000000280), 0x2, 0x1) syz_open_dev$ublk_bdev(&(0x7f00000002c0), 0x2, 0x2) syz_open_dev$ublk_bdev(&(0x7f0000000300), 0x2, 0x800) syz_open_dev$ublk_bdev(&(0x7f0000000340), 0x3, 0x0) syz_open_dev$ublk_bdev(&(0x7f0000000380), 0x3, 0x1) syz_open_dev$ublk_bdev(&(0x7f00000003c0), 0x3, 0x2) syz_open_dev$ublk_bdev(&(0x7f0000000400), 0x3, 0x800) syz_open_dev$ublk_bdev(&(0x7f0000000440), 0x4, 0x0) syz_open_dev$ublk_bdev(&(0x7f0000000480), 0x4, 0x1) syz_open_dev$ublk_bdev(&(0x7f00000004c0), 0x4, 0x2) syz_open_dev$ublk_bdev(&(0x7f0000000500), 0x4, 0x800) 135.36µs ago: executing program 2 (id=188): mknodat(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0) 0s ago: executing program 0 (id=189): openat(0xffffffffffffff9c, &(0x7f0000000080)='/sys/kernel/mm/transparent_hugepage/khugepaged/scan_sleep_millisecs', 0x1, 0x0) 0s ago: executing program 3 (id=193): io_pgetevents(0x0, 0x0, 0x0, &(0x7f0000000000), 0x0, 0x0) kernel console output (not intermixed with test programs): [ 11.935183][ T3712] eql: remember to turn off Van-Jacobson compression on your slave devices Starting crond: OK [ 11.982322][ T1604] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 11.984123][ T1604] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.145' (ED25519) to the list of known hosts. syzkaller login: [ 28.324420][ T4034] cgroup: Unknown subsys name 'net' [ 28.581703][ T4034] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 28.866032][ T4034] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 29.735661][ T4106] mmap: syz.2.55 (4106) uses deprecated remap_file_pages() syscall. See Documentation/vm/remap_file_pages.rst. [ 29.750210][ T4109] uffd: Set unprivileged_userfaultfd sysctl knob to 1 if kernel faults must be handled without obtaining CAP_SYS_PTRACE capability [ 30.047169][ T4244] Internal error: Oops - BTI: 0000000036000001 [#1] PREEMPT SMP [ 30.048507][ T4244] Modules linked in: [ 30.049163][ T4244] CPU: 1 PID: 4244 Comm: syz.3.193 Not tainted syzkaller #0 [ 30.050486][ T4244] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 30.052384][ T4244] pstate: 42400405 (nZcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=jc) [ 30.053761][ T4244] pc : lookup_ioctx+0x10c/0x7c0 [ 30.054593][ T4244] lr : lookup_ioctx+0xe8/0x7c0 [ 30.055405][ T4244] sp : ffff80001f777ac0 [ 30.056165][ T4244] x29: ffff80001f777ac0 x28: ffff80001f777ca0 x27: dfff800000000000 [ 30.057635][ T4244] x26: ffff80001f777b20 x25: ffff700003eeef64 x24: ffff0000dcb50b80 [ 30.059059][ T4244] x23: dfff800000000000 x22: 00000000fffffff2 x21: 0000000000000000 [ 30.060479][ T4244] x20: ffff0000d803b680 x19: 0000000000000000 x18: 0000000000000000 [ 30.061894][ T4244] x17: 0000000000000000 x16: ffff800008a323f0 x15: 0000000000000000 [ 30.063314][ T4244] x14: 0000000000000002 x13: 1ffff0000288202b x12: 0000000097863b1e [ 30.064678][ T4244] x11: ff80800008a323cc x10: 0000000000000000 x9 : 0000ffffffffffff [ 30.066111][ T4244] x8 : 0000000000000000 x7 : ffff800008764494 x6 : 0000000000000000 [ 30.067530][ T4244] x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000001 [ 30.068968][ T4244] x2 : 0000000000000008 x1 : 0000000000000001 x0 : 0000000000000000 [ 30.070402][ T4244] Call trace: [ 30.070982][ T4244] lookup_ioctx+0x10c/0x7c0 [ 30.071792][ T4244] do_io_getevents+0x12c/0x3c8 [ 30.072648][ T4244] __arm64_sys_io_pgetevents+0x30c/0x514 [ 30.073687][ T4244] invoke_syscall+0x98/0x28c [ 30.074556][ T4244] el0_svc_common+0x13c/0x258 [ 30.075361][ T4244] do_el0_svc+0x5c/0x140 [ 30.076108][ T4244] el0_svc+0x78/0x1d0 [ 30.076838][ T4244] el0t_64_sync_handler+0xcc/0xe4 [ 30.077754][ T4244] el0t_64_sync+0x1a0/0x1a4 [ 30.078569][ T4244] Code: d503229f 2a1f03f6 2a1f03e0 b8400953 (2a1603e1) [ 30.079780][ T4244] ---[ end trace 86fdc5b686637d4f ]--- [ 30.287861][ T4244] Kernel panic - not syncing: Oops - BTI: Fatal exception [ 30.289069][ T4244] SMP: stopping secondary CPUs [ 30.289871][ T4244] Kernel Offset: disabled [ 30.290598][ T4244] CPU features: 0xa,000003c1,7d33ffd9 [ 30.291537][ T4244] Memory Limit: none [ 30.481754][ T4244] Rebooting in 86400 seconds..