ci starts bisection 2022-12-26 11:53:12.762950513 +0000 UTC m=+310801.086132684 bisecting fixing commit since 200e340f2196d7fd427a5810d06e893b932f145a building syzkaller on 1c9013acc70de325dbb554c8c40c17ed02eff33f ensuring issue is reproducible on original commit 200e340f2196d7fd427a5810d06e893b932f145a testing commit 200e340f2196d7fd427a5810d06e893b932f145a gcc compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 1646d8c6b3be889b9af9c2447f6118dd7306f794a49ebd8848db8e6a3a78a58d all runs: crashed: WARNING in ieee80211_start_next_roc testing current HEAD 1b929c02afd37871d5afb9d498426f83432e71c2 testing commit 1b929c02afd37871d5afb9d498426f83432e71c2 gcc compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: 7f4fa78a17b23dd567591e26a300f7e51eb592ffdbaec2539600ecac0b20dc99 run #0: basic kernel testing failed: BUG: program execution failed: executor NUM: failed to write control pipe: write |NUM: broken pipe run #1: basic kernel testing failed: BUG: program execution failed: executor NUM: exit status NUM run #2: crashed: WARNING in ieee80211_start_next_roc run #3: crashed: WARNING in ieee80211_start_next_roc run #4: crashed: WARNING in ieee80211_start_next_roc run #5: crashed: WARNING in ieee80211_start_next_roc run #6: crashed: WARNING in ieee80211_start_next_roc run #7: crashed: WARNING in ieee80211_start_next_roc run #8: crashed: WARNING in ieee80211_start_next_roc run #9: crashed: WARNING in ieee80211_start_next_roc revisions tested: 2, total time: 26m38.118804082s (build: 16m26.796114545s, test: 9m22.133918583s) the crash still happens on HEAD commit msg: Linux 6.2-rc1 crash: WARNING in ieee80211_start_next_roc ------------[ cut here ]------------ WARNING: CPU: 0 PID: 10928 at net/mac80211/offchannel.c:403 ieee80211_start_next_roc+0x164/0x1d0 net/mac80211/offchannel.c:389 Modules linked in: CPU: 1 PID: 10928 Comm: syz-executor.0 Not tainted 6.2.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:ieee80211_start_next_roc+0x164/0x1d0 net/mac80211/offchannel.c:403 Code: 00 00 bf 32 00 00 00 e8 1a 0a 78 f8 4c 89 f7 48 89 de 48 89 c2 5b 41 5c 41 5d 41 5e 41 5f e9 03 a7 0c 00 0f 0b e9 eb fe ff ff <0f> 0b e9 2a ff ff ff 48 c7 c1 d4 52 14 8d 80 e1 07 80 c1 03 38 c1 RSP: 0018:ffffc900053371f0 EFLAGS: 00010202 RAX: 1ffff1100eeed600 RBX: ffff88807776b2a0 RCX: ffffffff88f4b1ac RDX: 0000000000000000 RSI: ffffffff89ad2000 RDI: ffffffff8a09cf40 RBP: 1ffff110054ac556 R08: dffffc0000000000 R09: ffffed100ecacab5 R10: ffffed100ecacab5 R11: 1ffff1100ecacab4 R12: dffffc0000000000 R13: 1ffff110054ac644 R14: ffff88802a560de0 R15: ffff88802a56153e FS: 00007f5b8fb08700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f5b8eadeb20 CR3: 0000000076ccd000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_scan_cancel+0x100/0x310 net/mac80211/scan.c:1308 ieee80211_do_stop+0x167/0x1c60 net/mac80211/iface.c:459 ieee80211_runtime_change_iftype net/mac80211/iface.c:1853 [inline] ieee80211_if_change_type+0x2ed/0x7d0 net/mac80211/iface.c:1891 ieee80211_change_iface+0x53/0x3b0 net/mac80211/cfg.c:216 rdev_change_virtual_intf net/wireless/rdev-ops.h:74 [inline] cfg80211_change_iface+0x518/0x870 net/wireless/util.c:1086 nl80211_set_interface+0x4ba/0x6e0 net/wireless/nl80211.c:4169 genl_family_rcv_msg_doit net/netlink/genetlink.c:968 [inline] genl_family_rcv_msg net/netlink/genetlink.c:1048 [inline] genl_rcv_msg+0x9c1/0xea0 net/netlink/genetlink.c:1065 netlink_rcv_skb+0x1d9/0x3d0 net/netlink/af_netlink.c:2564 genl_rcv+0x1f/0x30 net/netlink/genetlink.c:1076 netlink_unicast_kernel net/netlink/af_netlink.c:1330 [inline] netlink_unicast+0x5d8/0x850 net/netlink/af_netlink.c:1356 netlink_sendmsg+0x752/0xb00 net/netlink/af_netlink.c:1932 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg net/socket.c:734 [inline] __sys_sendto+0x3e0/0x530 net/socket.c:2117 __do_sys_sendto net/socket.c:2129 [inline] __se_sys_sendto net/socket.c:2125 [inline] __x64_sys_sendto+0xd5/0xf0 net/socket.c:2125 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f5b8ea3bfcc 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:00007f5b8fb06f60 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f5b8fb070d0 RCX: 00007f5b8ea3bfcc RDX: 0000000000000024 RSI: 00007f5b8fb07120 RDI: 0000000000000007 RBP: 0000000000000000 R08: 00007f5b8fb06fb4 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 00007f5b8fb07120 R14: 0000000000000007 R15: 0000000000000000