ci starts bisection 2023-01-31 04:45:57.373976048 +0000 UTC m=+725671.320038114 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: INFO: task hung in linkwatch_event 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 addrconf_dad_work testing current HEAD c0b67534c95c537f7a506a06b98e5e85d72e2b7d testing commit c0b67534c95c537f7a506a06b98e5e85d72e2b7d gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 2b874068f445c17d5c12fa454cb70e760a4af269dcbdecf0db00f25d7c82c4c3 run #0: basic kernel testing failed: BUG: program execution failed: executor NUM: failed to write control pipe: write |NUM: broken pipe 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 revisions tested: 2, total time: 28m25.639444809s (build: 14m55.370869418s, test: 12m30.079228764s) the crash still happens on HEAD commit msg: Merge tag 'cgroup-for-6.2-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup crash: WARNING: ODEBUG bug in ieee80211_ibss_setup_sdata ------------[ cut here ]------------ ODEBUG: init active (active state 0) object: ffff88807ca3d990 object type: timer_list hint: 0x0 WARNING: CPU: 0 PID: 28443 at lib/debugobjects.c:509 debug_print_object+0x194/0x2c0 lib/debugobjects.c:509 Modules linked in: CPU: 0 PID: 28443 Comm: syz-executor.0 Not tainted 6.2.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 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 40 42 63 89 50 4c 89 ee 48 c7 c7 00 36 63 89 e8 14 44 dc 04 <0f> 0b 58 83 05 6e 4b 41 09 01 48 83 c4 20 5b 5d 41 5c 41 5d 41 5e RSP: 0018:ffffc90003a573c0 EFLAGS: 00010286 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 RDX: 0000000000000001 RSI: ffffffff89633020 RDI: fffff5200074ae6a RBP: 0000000000000001 R08: 0000000000000001 R09: ffffc90003a571e7 R10: fffff5200074ae3c R11: 0000000000000000 R12: ffffffff890d9760 R13: ffffffff89633ba0 R14: ffff888016e406a8 R15: ffffffff8161c010 FS: 00007f0b9290b700(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0b928ea718 CR3: 0000000023ed6000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __debug_object_init+0x524/0xd10 lib/debugobjects.c:597 debug_timer_init kernel/time/timer.c:777 [inline] debug_init kernel/time/timer.c:825 [inline] init_timer_key+0x2d/0x2f0 kernel/time/timer.c:869 ieee80211_ibss_setup_sdata+0x2c/0x1c0 net/mac80211/ibss.c:1731 ieee80211_setup_sdata+0xacd/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+0x4f4/0xdc0 net/wireless/util.c:1086 nl80211_set_interface+0x458/0x900 net/wireless/nl80211.c:4169 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+0x786/0xc30 net/netlink/af_netlink.c:1942 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xaf/0xe0 net/socket.c:734 __sys_sendto+0x1bf/0x290 net/socket.c:2117 __do_sys_sendto net/socket.c:2129 [inline] __se_sys_sendto net/socket.c:2125 [inline] __x64_sys_sendto+0xdc/0x1b0 net/socket.c:2125 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:00007f0b92909f80 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f0b9290a0f0 RCX: 00000000004193ec RDX: 0000000000000024 RSI: 00007f0b9290a140 RDI: 0000000000000005 RBP: 0000000000000000 R08: 00007f0b92909fd4 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 00007f0b9290a140 R14: 0000000000000005 R15: 0000000000000000