ci starts bisection 2023-04-03 05:08:48.312495781 +0000 UTC m=+405868.758843748 bisecting fixing commit since 7e25f40eab52c57ff6772d27d2aef3640a3237d7 building syzkaller on c59079a693ad1d89c782f7db14b9f1c5629e2abc ensuring issue is reproducible on original commit 7e25f40eab52c57ff6772d27d2aef3640a3237d7 testing commit 7e25f40eab52c57ff6772d27d2aef3640a3237d7 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: e30a3c54e78a375da4d91f7161b106ee946d24dc33dc4253e3695f1289c3c95c run #0: crashed: WARNING: ODEBUG bug in ieee80211_ibss_setup_sdata run #1: crashed: WARNING: ODEBUG bug in ieee80211_ibss_setup_sdata run #2: crashed: WARNING: ODEBUG bug in ieee80211_ibss_setup_sdata run #3: crashed: WARNING: ODEBUG bug in ieee80211_ibss_setup_sdata run #4: crashed: WARNING: ODEBUG bug in ieee80211_ibss_setup_sdata run #5: crashed: WARNING: ODEBUG bug in ieee80211_ibss_setup_sdata run #6: crashed: WARNING: ODEBUG bug in ieee80211_ibss_setup_sdata run #7: crashed: WARNING: ODEBUG bug in ieee80211_ibss_setup_sdata run #8: crashed: WARNING: ODEBUG bug in ieee80211_ibss_setup_sdata run #9: crashed: WARNING: ODEBUG bug in ieee80211_ibss_setup_sdata run #10: crashed: WARNING: ODEBUG bug in ieee80211_ibss_setup_sdata run #11: crashed: WARNING: ODEBUG bug in ieee80211_ibss_setup_sdata run #12: crashed: WARNING: ODEBUG bug in ieee80211_ibss_setup_sdata run #13: crashed: WARNING: ODEBUG bug in ieee80211_ibss_setup_sdata run #14: crashed: WARNING: ODEBUG bug in ieee80211_ibss_setup_sdata run #15: crashed: WARNING: ODEBUG bug in ieee80211_ibss_setup_sdata run #16: crashed: WARNING: ODEBUG bug in ieee80211_ibss_setup_sdata run #17: crashed: INFO: task hung in crda_timeout_work run #18: crashed: INFO: task hung in addrconf_dad_work run #19: crashed: INFO: task hung in linkwatch_event testing current HEAD 7e364e56293bb98cae1b55fd835f5991c4e96e7d testing commit 7e364e56293bb98cae1b55fd835f5991c4e96e7d gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 35f956d5a0281b8f9e7aa8ebfea3624999bded2e95b331665c6ce259f192cc18 all runs: crashed: WARNING: ODEBUG bug in ieee80211_ibss_setup_sdata revisions tested: 2, total time: 30m18.615487153s (build: 16m5.874899148s, test: 12m45.611788371s) the crash still happens on HEAD commit msg: Linux 6.3-rc5 crash: WARNING: ODEBUG bug in ieee80211_ibss_setup_sdata ------------[ cut here ]------------ ODEBUG: init active (active state 0) object: ffff88807b539980 object type: timer_list hint: 0x0 WARNING: CPU: 0 PID: 31493 at lib/debugobjects.c:509 debug_print_object+0x194/0x2c0 lib/debugobjects.c:509 Modules linked in: CPU: 0 PID: 31493 Comm: syz-executor.0 Not tainted 6.3.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 RIP: 0010:debug_print_object+0x194/0x2c0 lib/debugobjects.c:509 Code: df 48 89 fe 48 c1 ee 03 80 3c 16 00 0f 85 c7 00 00 00 48 8b 14 dd 20 14 63 89 50 4c 89 ee 48 c7 c7 e0 07 63 89 e8 0c ab 90 fd <0f> 0b 58 83 05 96 11 41 09 01 48 83 c4 20 5b 5d 41 5c 41 5d 41 5e RSP: 0018:ffffc90009c673d0 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 RDX: 0000000000000002 RSI: 0000000000000008 RDI: 0000000000000001 RBP: 0000000000000001 R08: 0000000000000000 R09: ffffc90009c670ff R10: fffff5200138ce1f R11: 0000000000000000 R12: ffffffff890d9be0 R13: ffffffff89630d80 R14: ffff88801a096c20 R15: ffffffff816320f0 FS: 00007f1f236f8700(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000056c000 CR3: 000000002432a000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __debug_object_init+0x556/0xf10 lib/debugobjects.c:597 debug_timer_init kernel/time/timer.c:777 [inline] debug_init kernel/time/timer.c:825 [inline] init_timer_key+0x28/0x200 kernel/time/timer.c:869 ieee80211_ibss_setup_sdata+0x2c/0x1c0 net/mac80211/ibss.c:1731 ieee80211_setup_sdata+0xc7a/0xe70 net/mac80211/iface.c:1756 ieee80211_runtime_change_iftype net/mac80211/iface.c:1871 [inline] ieee80211_if_change_type+0x562/0x700 net/mac80211/iface.c:1893 ieee80211_change_iface+0x54/0x370 net/mac80211/cfg.c:217 rdev_change_virtual_intf net/wireless/rdev-ops.h:74 [inline] cfg80211_change_iface+0x48e/0xb90 net/wireless/util.c:1153 nl80211_set_interface+0x458/0x900 net/wireless/nl80211.c:4198 genl_family_rcv_msg_doit.isra.0+0x1b8/0x290 net/netlink/genetlink.c:968 genl_family_rcv_msg net/netlink/genetlink.c:1048 [inline] genl_rcv_msg+0x3c9/0x6c0 net/netlink/genetlink.c:1065 netlink_rcv_skb+0x12a/0x390 net/netlink/af_netlink.c:2574 genl_rcv+0x23/0x30 net/netlink/genetlink.c:1076 netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline] netlink_unicast+0x437/0x710 net/netlink/af_netlink.c:1365 netlink_sendmsg+0x790/0xc50 net/netlink/af_netlink.c:1942 sock_sendmsg_nosec net/socket.c:724 [inline] sock_sendmsg+0xc0/0x150 net/socket.c:747 __sys_sendto+0x1bf/0x290 net/socket.c:2142 __do_sys_sendto net/socket.c:2154 [inline] __se_sys_sendto net/socket.c:2150 [inline] __x64_sys_sendto+0xdc/0x1b0 net/socket.c:2150 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0x80 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd 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:00007f1f236f6f80 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f1f236f70f0 RCX: 00000000004193ec RDX: 0000000000000024 RSI: 00007f1f236f7140 RDI: 0000000000000005 RBP: 0000000000000000 R08: 00007f1f236f6fd4 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 00007f1f236f7140 R14: 0000000000000005 R15: 0000000000000000