------------[ cut here ]------------ ODEBUG: init active (active state 0) object type: timer_list hint: 0x0 WARNING: CPU: 0 PID: 15485 at lib/debugobjects.c:505 debug_print_object+0x16e/0x250 lib/debugobjects.c:505 Modules linked in: CPU: 0 PID: 15485 Comm: syz-executor.0 Not tainted 5.14.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:debug_print_object+0x16e/0x250 lib/debugobjects.c:505 Code: ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 af 00 00 00 48 8b 14 dd a0 59 ff 88 4c 89 ee 48 c7 c7 a0 4d ff 88 e8 fe 63 95 04 <0f> 0b 83 05 85 58 d5 08 01 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e c3 RSP: 0018:ffffc90001947478 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffffffff88ff4980 RDI: fffff52000328e81 RBP: 0000000000000001 R08: 0000000000000001 R09: ffff8880ba02ffc7 R10: ffffed1017405ff8 R11: 000000004245444f R12: ffffffff88acf540 R13: ffffffff88ff52a0 R14: ffffffff815a75c0 R15: ffffffff8eab8668 FS: 00007f8d4b05e700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f41e37cd718 CR3: 0000000028fcc000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __debug_object_init+0x524/0xd10 lib/debugobjects.c:588 debug_timer_init kernel/time/timer.c:724 [inline] debug_init kernel/time/timer.c:772 [inline] init_timer_key+0x24/0x250 kernel/time/timer.c:816 ieee80211_ibss_setup_sdata+0x28/0x1b0 net/mac80211/ibss.c:1734 ieee80211_setup_sdata+0xbc2/0xe90 net/mac80211/iface.c:1563 ieee80211_runtime_change_iftype net/mac80211/iface.c:1672 [inline] ieee80211_if_change_type+0x50e/0x6a0 net/mac80211/iface.c:1694 ieee80211_change_iface+0x50/0x320 net/mac80211/cfg.c:159 rdev_change_virtual_intf net/wireless/rdev-ops.h:69 [inline] cfg80211_change_iface+0x24a/0xc70 net/wireless/util.c:1073 nl80211_set_interface+0x435/0x840 net/wireless/nl80211.c:3926 genl_family_rcv_msg_doit+0x1e4/0x2f0 net/netlink/genetlink.c:739 genl_family_rcv_msg net/netlink/genetlink.c:783 [inline] genl_rcv_msg+0x27a/0x4a0 net/netlink/genetlink.c:800 netlink_rcv_skb+0x118/0x370 net/netlink/af_netlink.c:2504 genl_rcv+0x1f/0x30 net/netlink/genetlink.c:811 netlink_unicast_kernel net/netlink/af_netlink.c:1314 [inline] netlink_unicast+0x42e/0x700 net/netlink/af_netlink.c:1340 netlink_sendmsg+0x704/0xbf0 net/netlink/af_netlink.c:1929 sock_sendmsg_nosec net/socket.c:703 [inline] sock_sendmsg+0xab/0xe0 net/socket.c:723 __sys_sendto+0x1a4/0x270 net/socket.c:2019 __do_sys_sendto net/socket.c:2031 [inline] __se_sys_sendto net/socket.c:2027 [inline] __x64_sys_sendto+0xd8/0x1b0 net/socket.c:2027 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4193ec Code: fa fa ff ff 44 8b 4c 24 2c 4c 8b 44 24 20 89 c5 44 8b 54 24 28 48 8b 54 24 18 b8 2c 00 00 00 48 8b 74 24 10 8b 7c 24 08 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 44 24 08 e8 20 fb ff ff 48 8b RSP: 002b:00007f8d4b05cf80 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f8d4b05d0f0 RCX: 00000000004193ec RDX: 0000000000000024 RSI: 00007f8d4b05d140 RDI: 0000000000000005 RBP: 0000000000000000 R08: 00007f8d4b05cfd4 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 00007f8d4b05d140 R14: 0000000000000005 R15: 0000000000000000 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: df 48 89 fisttps -0x77(%rax) 3: fa cli 4: 48 c1 ea 03 shr $0x3,%rdx 8: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) c: 0f 85 af 00 00 00 jne 0xc1 12: 48 8b 14 dd a0 59 ff mov -0x7700a660(,%rbx,8),%rdx 19: 88 1a: 4c 89 ee mov %r13,%rsi 1d: 48 c7 c7 a0 4d ff 88 mov $0xffffffff88ff4da0,%rdi 24: e8 fe 63 95 04 callq 0x4956427 29: 0f 0b ud2 <-- trapping instruction 2b: 83 05 85 58 d5 08 01 addl $0x1,0x8d55885(%rip) # 0x8d558b7 32: 48 83 c4 18 add $0x18,%rsp 36: 5b pop %rbx 37: 5d pop %rbp 38: 41 5c pop %r12 3a: 41 5d pop %r13 3c: 41 5e pop %r14 3e: c3 retq