Bluetooth: RFCOMM TTY layer initialized Bluetooth: RFCOMM socket layer initialized Bluetooth: RFCOMM ver 1.11 Bluetooth: BNEP (Ethernet Emulation) ver 1.3 Bluetooth: BNEP filters: protocol multicast Bluetooth: BNEP socket layer initialized Bluetooth: CMTP (CAPI Emulation) ver 1.0 Bluetooth: CMTP socket layer initialized Bluetooth: HIDP (Human Interface Emulation) ver 1.2 Bluetooth: HIDP socket layer initialized NET: Registered PF_RXRPC protocol family Key type rxrpc registered Key type rxrpc_s registered NET: Registered PF_KCM protocol family lec:lane_module_init: lec.c: initialized mpoa:atm_mpoa_init: mpc.c: initialized l2tp_core: L2TP core driver, V2.0 l2tp_ppp: PPPoL2TP kernel driver, V2.0 l2tp_ip: L2TP IP encapsulation support (L2TPv3) l2tp_netlink: L2TP netlink interface l2tp_eth: L2TP ethernet pseudowire support (L2TPv3) l2tp_ip6: L2TP IP encapsulation support for IPv6 (L2TPv3) NET: Registered PF_PHONET protocol family 8021q: 802.1Q VLAN Support v1.8 DCCP: Activated CCID 2 (TCP-like) DCCP: Activated CCID 3 (TCP-Friendly Rate Control) sctp: Hash tables configured (bind 32/56) NET: Registered PF_RDS protocol family Registered RDS/infiniband transport Registered RDS/tcp transport tipc: Activated (version 2.0.0) NET: Registered PF_TIPC protocol family tipc: Started in single node mode NET: Registered PF_SMC protocol family 9pnet: Installing 9P2000 support NET: Registered PF_CAIF protocol family NET: Registered PF_IEEE802154 protocol family Key type dns_resolver registered Key type ceph registered libceph: loaded (mon/osd proto 15/24) batman_adv: B.A.T.M.A.N. advanced 2021.3 (compatibility version 15) loaded openvswitch: Open vSwitch switching datapath NET: Registered PF_VSOCK protocol family mpls_gso: MPLS GSO support IPI shorthand broadcast: enabled AVX2 version of gcm_enc/dec engaged. AES CTR mode by8 optimization enabled sched_clock: Marking stable (20470750521, 37677516)->(20634356352, -125928315) registered taskstats version 1 ================================================================== BUG: KASAN: global-out-of-bounds in task_iter_init+0x212/0x2e7 kernel/bpf/task_iter.c:661 Read of size 4 at addr ffffffff90297404 by task swapper/0/1 CPU: 1 PID: 1 Comm: swapper/0 Not tainted 5.15.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 print_address_description.constprop.0.cold+0xf/0x309 mm/kasan/report.c:256 __kasan_report mm/kasan/report.c:442 [inline] kasan_report.cold+0x83/0xdf mm/kasan/report.c:459 task_iter_init+0x212/0x2e7 kernel/bpf/task_iter.c:661 do_one_initcall+0x103/0x650 init/main.c:1295 do_initcall_level init/main.c:1368 [inline] do_initcalls init/main.c:1384 [inline] do_basic_setup init/main.c:1403 [inline] kernel_init_freeable+0x6b1/0x73a init/main.c:1606 kernel_init+0x1a/0x1d0 init/main.c:1497 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 The buggy address belongs to the variable: btf_task_struct_ids+0x4/0x40 Memory state around the buggy address: ffffffff90297300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffffffff90297380: 00 00 00 00 00 00 00 00 00 00 00 00 f9 f9 f9 f9 >ffffffff90297400: 04 f9 f9 f9 f9 f9 f9 f9 00 f9 f9 f9 f9 f9 f9 f9 ^ ffffffff90297480: 00 04 f9 f9 f9 f9 f9 f9 00 00 f9 f9 f9 f9 f9 f9 ffffffff90297500: 04 f9 f9 f9 f9 f9 f9 f9 04 f9 f9 f9 f9 f9 f9 f9 ==================================================================