ci starts bisection 2022-12-29 18:46:59.915057732 +0000 UTC m=+180370.457763298 bisecting fixing commit since 200e340f2196d7fd427a5810d06e893b932f145a building syzkaller on e853abd9a2542fcccb8e1a23eb8ae475500ecaf9 ensuring issue is reproducible on original commit 200e340f2196d7fd427a5810d06e893b932f145a testing commit 200e340f2196d7fd427a5810d06e893b932f145a gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: a191e327e01de23e38682715d12fe96f1d566c02b9784661f5e9f31775429891 all runs: crashed: WARNING in __cfg80211_ibss_joined testing current HEAD 1b929c02afd37871d5afb9d498426f83432e71c2 testing commit 1b929c02afd37871d5afb9d498426f83432e71c2 gcc compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 kernel signature: b8c815acd98ce25c0d7077f02cce39bfefa0c7938aaf5a5dbbd61d7ca4bb6a15 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 in __cfg80211_ibss_joined run #2: crashed: WARNING in __cfg80211_ibss_joined run #3: crashed: WARNING in __cfg80211_ibss_joined run #4: crashed: WARNING in __cfg80211_ibss_joined run #5: crashed: WARNING in __cfg80211_ibss_joined run #6: crashed: WARNING in __cfg80211_ibss_joined run #7: crashed: WARNING in __cfg80211_ibss_joined run #8: crashed: WARNING in __cfg80211_ibss_joined run #9: crashed: WARNING in __cfg80211_ibss_joined revisions tested: 2, total time: 23m4.748962425s (build: 15m7.908164366s, test: 6m59.491832745s) the crash still happens on HEAD commit msg: Linux 6.2-rc1 crash: WARNING in __cfg80211_ibss_joined wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 50 at net/wireless/ibss.c:37 __cfg80211_ibss_joined+0x3f4/0x4a0 net/wireless/ibss.c:48 Modules linked in: CPU: 0 PID: 50 Comm: kworker/u4:3 Not tainted 6.2.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Workqueue: cfg80211 cfg80211_event_work RIP: 0010:__cfg80211_ibss_joined+0x3f4/0x4a0 net/wireless/ibss.c:37 Code: e8 61 03 a2 f9 48 8b 34 24 e9 d2 fc ff ff 48 89 34 24 e8 2f 03 a2 f9 48 8b 34 24 e9 f8 fc ff ff e8 41 03 a2 f9 e9 2b ff ff ff <0f> 0b e9 f0 fc ff ff 0f 0b 48 89 34 24 e8 3a 03 a2 f9 48 8b 34 24 RSP: 0018:ffffc90000dbfbd8 EFLAGS: 00010246 RAX: 0000000000000002 RBX: ffff888076750c90 RCX: 1ffffffff1f4c0d6 RDX: 0000000000000000 RSI: ffffffff890bd900 RDI: ffffffff8965e720 RBP: ffff888076750000 R08: 0000000000000001 R09: ffffffff8fa39a27 R10: 0000000000000001 R11: ffff888075750190 R12: 1ffff920001b7f7d R13: ffff888022c54018 R14: 0000000000000000 R15: 0000000000000282 FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005587518f63b4 CR3: 000000007eb01000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: cfg80211_process_wdev_events+0x39e/0x5a0 net/wireless/util.c:986 cfg80211_process_rdev_events+0x7f/0xf0 net/wireless/util.c:1014 cfg80211_event_work+0x22/0x30 net/wireless/core.c:328 process_one_work+0x8ba/0x14b0 kernel/workqueue.c:2289 worker_thread+0x598/0xec0 kernel/workqueue.c:2436 kthread+0x294/0x330 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308