bisecting cause commit starting from f40ddce88593482919761f74910f42f4b84c004b building syzkaller on 3e5ed8b45e7a561d6344a4d3d7bf3bfb8f24a7b3 testing commit f40ddce88593482919761f74910f42f4b84c004b with gcc (GCC) 10.2.1 20210217 kernel signature: 401ae697250340a8f19fafbe34755b1004207c8f3a328d8b50087c42f968b433 all runs: crashed: general protection fault in nbd_disconnect_and_put testing release v5.10 testing commit 2c85ebc57b3e1817b6ce1a6b703928e113a90442 with gcc (GCC) 10.2.1 20210217 kernel signature: ab71b74ae43b8e01293cb6979afead33d9008edddcb466f6d56f0f23bb6fe207 all runs: OK # git bisect start f40ddce88593482919761f74910f42f4b84c004b 2c85ebc57b3e1817b6ce1a6b703928e113a90442 Bisecting: 7761 revisions left to test after this (roughly 13 steps) [538fcf57aaee6ad78a05f52b69a99baa22b33418] Merge branches 'acpi-scan', 'acpi-pnp' and 'acpi-sleep' testing commit 538fcf57aaee6ad78a05f52b69a99baa22b33418 with gcc (GCC) 10.2.1 20210217 kernel signature: 153f67530b5af6a075e215cc39a325f15ed3efb64a450b64f45415c92c9ebf8e run #0: crashed: WARNING: ODEBUG bug in netdev_run_todo run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK reproducer seems to be flaky # git bisect bad 538fcf57aaee6ad78a05f52b69a99baa22b33418 Bisecting: 4308 revisions left to test after this (roughly 12 steps) [15b447361794271f4d03c04d82276a841fe06328] mm/lru: revise the comments of lru_lock testing commit 15b447361794271f4d03c04d82276a841fe06328 with gcc (GCC) 10.2.1 20210217 kernel signature: 09d192e0388bf69b5854ee70a31a7d312d20097d29f283bbc27bea92bbf78d47 all runs: OK # git bisect good 15b447361794271f4d03c04d82276a841fe06328 Bisecting: 2210 revisions left to test after this (roughly 11 steps) [d635a69dd4981cc51f90293f5f64268620ed1565] Merge tag 'net-next-5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next testing commit d635a69dd4981cc51f90293f5f64268620ed1565 with gcc (GCC) 10.2.1 20210217 kernel signature: 18a8f9e108a9b2a5b9e20b8479239bd907690e89bcc2c5f2016d24117e686fda all runs: OK # git bisect good d635a69dd4981cc51f90293f5f64268620ed1565 Bisecting: 1080 revisions left to test after this (roughly 10 steps) [2911ed9f47b47cb5ab87d03314b3b9fe008e607f] Merge tag 'char-misc-5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc testing commit 2911ed9f47b47cb5ab87d03314b3b9fe008e607f with gcc (GCC) 10.2.1 20210217 kernel signature: eef31815e3f9c1ccd886a3a2221b47b1a6fed0b9f7c11fb189db51fa0e5d6611 all runs: OK # git bisect good 2911ed9f47b47cb5ab87d03314b3b9fe008e607f Bisecting: 525 revisions left to test after this (roughly 9 steps) [605ea5aafe1341ac9b2144516f898ac78ad49c40] Merge tag 'spi-v5.11' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi testing commit 605ea5aafe1341ac9b2144516f898ac78ad49c40 with gcc (GCC) 10.2.1 20210217 kernel signature: 132f54959fdb07a2470cfaea99687eaf2f6ac1d22f22d97ca6b4abce1d4fa26c all runs: OK # git bisect good 605ea5aafe1341ac9b2144516f898ac78ad49c40 Bisecting: 290 revisions left to test after this (roughly 8 steps) [61f914256c56a39a96dc14eae9f394d35b934812] Merge tag 'platform-drivers-x86-v5.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86 testing commit 61f914256c56a39a96dc14eae9f394d35b934812 with gcc (GCC) 10.2.1 20210217 kernel signature: efa018fd56139f330c163d8f952bd86a1b52110eb26cc9e46e05e40756a6da45 all runs: OK # git bisect good 61f914256c56a39a96dc14eae9f394d35b934812 Bisecting: 155 revisions left to test after this (roughly 7 steps) [b109bc72295363fb746bc42bdd777f7a8abb177b] Merge tag 'thermal-v5.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux testing commit b109bc72295363fb746bc42bdd777f7a8abb177b with gcc (GCC) 10.2.1 20210217 kernel signature: 7bac37cef9f64237b49fc273b827bc321e2e1a916b43afa94bdbe0a68487d29a all runs: OK # git bisect good b109bc72295363fb746bc42bdd777f7a8abb177b Bisecting: 77 revisions left to test after this (roughly 6 steps) [42b4ca04cbfde952e7be132ffc7226890323bbe1] Merge branches 'pm-sleep', 'pm-acpi', 'pm-domains' and 'powercap' testing commit 42b4ca04cbfde952e7be132ffc7226890323bbe1 with gcc (GCC) 10.2.1 20210217 kernel signature: 709bea6ea733f5095600baeeb12c80f3c25a52523dcbdc3aeaf14578d19db901 run #0: crashed: WARNING: ODEBUG bug in netdev_run_todo run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK # git bisect bad 42b4ca04cbfde952e7be132ffc7226890323bbe1 Bisecting: 41 revisions left to test after this (roughly 5 steps) [30c768829af2574a2f60ca85c4cc3ba2ed8d0e58] Merge branch 'cpufreq/arm/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm testing commit 30c768829af2574a2f60ca85c4cc3ba2ed8d0e58 with gcc (GCC) 10.2.1 20210217 kernel signature: 3af22d43b292ce2d6f82a80602fa5f7d47781eb2f7eb4d9920717f76011eaa96 all runs: OK # git bisect good 30c768829af2574a2f60ca85c4cc3ba2ed8d0e58 Bisecting: 23 revisions left to test after this (roughly 4 steps) [e1f1320fc0a090e7019ad8ec7d81f8a18a5080eb] Merge branch 'pm-cpufreq' testing commit e1f1320fc0a090e7019ad8ec7d81f8a18a5080eb with gcc (GCC) 10.2.1 20210217 kernel signature: 0789031af3a69281235fef43c984d748e6b125f08a55ec2d1b1a0603801bbfb4 all runs: OK # git bisect good e1f1320fc0a090e7019ad8ec7d81f8a18a5080eb Bisecting: 13 revisions left to test after this (roughly 4 steps) [4c5744a0c4fcb878e1500e77d53722197c0a3f7c] Merge branches 'pm-cpuidle' and 'pm-em' testing commit 4c5744a0c4fcb878e1500e77d53722197c0a3f7c with gcc (GCC) 10.2.1 20210217 kernel signature: 16992691664d70ef4f38cc8eef45b8edde5129add206b8cccaecc068a53c9671 all runs: OK # git bisect good 4c5744a0c4fcb878e1500e77d53722197c0a3f7c Bisecting: 8 revisions left to test after this (roughly 3 steps) [b4ba76fb1c999384c1b0840d216d42abcd611024] powercap: Adjust printing the constraint name with new line testing commit b4ba76fb1c999384c1b0840d216d42abcd611024 with gcc (GCC) 10.2.1 20210217 kernel signature: 75bad82846fed7bd6a975c75290bd8bccf4ff7eba227839d94b53506b020a866 run #0: basic kernel testing failed: BUG: sleeping function called from invalid context in sta_info_move_state run #1: basic kernel testing failed: BUG: sleeping function called from invalid context in sta_info_move_state run #2: basic kernel testing failed: BUG: sleeping function called from invalid context in sta_info_move_state run #3: basic kernel testing failed: BUG: sleeping function called from invalid context in sta_info_move_state run #4: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #5: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #6: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #7: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #8: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #9: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #10: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #11: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #12: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #13: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #14: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #15: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #16: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #17: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #18: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #19: crashed: BUG: sleeping function called from invalid context in sta_info_move_state # git bisect bad b4ba76fb1c999384c1b0840d216d42abcd611024 Bisecting: 2 revisions left to test after this (roughly 1 step) [a2c32fa736a590a7ab6e9601066a6772ae09869b] powercap/intel_rapl_msr: Convert rapl_msr_priv into pointer testing commit a2c32fa736a590a7ab6e9601066a6772ae09869b with gcc (GCC) 10.2.1 20210217 kernel signature: 75bad82846fed7bd6a975c75290bd8bccf4ff7eba227839d94b53506b020a866 run #0: basic kernel testing failed: BUG: sleeping function called from invalid context in sta_info_move_state run #1: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #2: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #3: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #4: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #5: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #6: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #7: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #8: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #9: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #10: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #11: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #12: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #13: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #14: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #15: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #16: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #17: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #18: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #19: crashed: BUG: sleeping function called from invalid context in sta_info_move_state # git bisect bad a2c32fa736a590a7ab6e9601066a6772ae09869b Bisecting: 0 revisions left to test after this (roughly 0 steps) [298ed2b31f55280624417f80a09de0e28db8f786] x86/msr-index: sort AMD RAPL MSRs by address testing commit 298ed2b31f55280624417f80a09de0e28db8f786 with gcc (GCC) 10.2.1 20210217 kernel signature: 75bad82846fed7bd6a975c75290bd8bccf4ff7eba227839d94b53506b020a866 run #0: basic kernel testing failed: BUG: sleeping function called from invalid context in sta_info_move_state run #1: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #2: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #3: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #4: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #5: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #6: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #7: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #8: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #9: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #10: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #11: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #12: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #13: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #14: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #15: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #16: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #17: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #18: crashed: BUG: sleeping function called from invalid context in sta_info_move_state run #19: crashed: BUG: sleeping function called from invalid context in sta_info_move_state # git bisect bad 298ed2b31f55280624417f80a09de0e28db8f786 298ed2b31f55280624417f80a09de0e28db8f786 is the first bad commit commit 298ed2b31f55280624417f80a09de0e28db8f786 Author: Victor Ding Date: Tue Oct 27 07:23:54 2020 +0000 x86/msr-index: sort AMD RAPL MSRs by address MSRs in the rest of this file are sorted by their addresses; fixing the two outliers. No functional changes. Signed-off-by: Victor Ding Acked-by: Kim Phillips Signed-off-by: Rafael J. Wysocki arch/x86/include/asm/msr-index.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) parent commit f8394f232b1eab649ce2df5c5f15b0e528c92091 wasn't tested testing commit f8394f232b1eab649ce2df5c5f15b0e528c92091 with gcc (GCC) 10.2.1 20210217 kernel signature: 75bad82846fed7bd6a975c75290bd8bccf4ff7eba227839d94b53506b020a866 culprit signature: 75bad82846fed7bd6a975c75290bd8bccf4ff7eba227839d94b53506b020a866 parent signature: 75bad82846fed7bd6a975c75290bd8bccf4ff7eba227839d94b53506b020a866 Reproducer flagged being flaky revisions tested: 16, total time: 4h47m55.120992067s (build: 1h59m1.341715161s, test: 2h47m22.072611617s) first bad commit: 298ed2b31f55280624417f80a09de0e28db8f786 x86/msr-index: sort AMD RAPL MSRs by address recipients (to): ["kim.phillips@amd.com" "rafael.j.wysocki@intel.com" "victording@google.com"] recipients (cc): [] crash: BUG: sleeping function called from invalid context in sta_info_move_state BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1962 in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 8353, name: kworker/u4:6 4 locks held by kworker/u4:6/8353: #0: ffff88802265e938 ((wq_completion)phy55){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88802265e938 ((wq_completion)phy55){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline] #0: ffff88802265e938 ((wq_completion)phy55){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline] #0: ffff88802265e938 ((wq_completion)phy55){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline] #0: ffff88802265e938 ((wq_completion)phy55){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline] #0: ffff88802265e938 ((wq_completion)phy55){+.+.}-{0:0}, at: process_one_work+0x680/0x1230 kernel/workqueue.c:2243 #1: ffffc9000e01fdb0 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x6ad/0x1230 kernel/workqueue.c:2247 #2: ffff888014270d00 (&wdev->mtx){+.+.}-{3:3}, at: sdata_lock net/mac80211/ieee80211_i.h:1021 [inline] #2: ffff888014270d00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x8d/0xcc0 net/mac80211/ibss.c:1683 #3: ffffffff8aa0d000 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_finish net/mac80211/sta_info.c:644 [inline] #3: ffffffff8aa0d000 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_rcu+0x5a1/0x2700 net/mac80211/sta_info.c:732 Preemption disabled at: [] __mutex_lock_common kernel/locking/mutex.c:955 [inline] [] __mutex_lock+0x10f/0x1210 kernel/locking/mutex.c:1103 CPU: 0 PID: 8353 Comm: kworker/u4:6 Not tainted 5.10.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: phy55 ieee80211_iface_work Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x9a/0xcc lib/dump_stack.c:118 ___might_sleep.cold+0x65/0x79 kernel/sched/core.c:7298 sta_info_move_state+0x2b/0x9d0 net/mac80211/sta_info.c:1962 sta_info_free+0x5c/0x340 net/mac80211/sta_info.c:274 sta_info_insert_rcu+0x2a5/0x2700 net/mac80211/sta_info.c:738 ieee80211_ibss_finish_sta+0x1af/0x2d0 net/mac80211/ibss.c:592 ieee80211_ibss_work+0x265/0xcc0 net/mac80211/ibss.c:1700 process_one_work+0x75b/0x1230 kernel/workqueue.c:2272 worker_thread+0x598/0xf80 kernel/workqueue.c:2418 kthread+0x36d/0x450 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296 ============================= [ BUG: Invalid wait context ] 5.10.0-rc3-syzkaller #0 Tainted: G W ----------------------------- kworker/u4:6/8353 is trying to lock: ffff8880249e29d0 (&local->chanctx_mtx){+.+.}-{3:3}, at: ieee80211_recalc_min_chandef+0x43/0x100 net/mac80211/util.c:2740 other info that might help us debug this: context-{4:4} 4 locks held by kworker/u4:6/8353: #0: ffff88802265e938 ((wq_completion)phy55){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88802265e938 ((wq_completion)phy55){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:856 [inline] #0: ffff88802265e938 ((wq_completion)phy55){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:41 [inline] #0: ffff88802265e938 ((wq_completion)phy55){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:616 [inline] #0: ffff88802265e938 ((wq_completion)phy55){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:643 [inline] #0: ffff88802265e938 ((wq_completion)phy55){+.+.}-{0:0}, at: process_one_work+0x680/0x1230 kernel/workqueue.c:2243 #1: ffffc9000e01fdb0 ((work_completion)(&sdata->work)){+.+.}-{0:0}, at: process_one_work+0x6ad/0x1230 kernel/workqueue.c:2247 #2: ffff888014270d00 (&wdev->mtx){+.+.}-{3:3}, at: sdata_lock net/mac80211/ieee80211_i.h:1021 [inline] #2: ffff888014270d00 (&wdev->mtx){+.+.}-{3:3}, at: ieee80211_ibss_work+0x8d/0xcc0 net/mac80211/ibss.c:1683 #3: ffffffff8aa0d000 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_finish net/mac80211/sta_info.c:644 [inline] #3: ffffffff8aa0d000 (rcu_read_lock){....}-{1:2}, at: sta_info_insert_rcu+0x5a1/0x2700 net/mac80211/sta_info.c:732 stack backtrace: CPU: 1 PID: 8353 Comm: kworker/u4:6 Tainted: G W 5.10.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: phy55 ieee80211_iface_work Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x9a/0xcc lib/dump_stack.c:118 print_lock_invalid_wait_context kernel/locking/lockdep.c:4483 [inline] check_wait_context kernel/locking/lockdep.c:4544 [inline] __lock_acquire.cold+0x333/0x3cc kernel/locking/lockdep.c:4781 lock_acquire kernel/locking/lockdep.c:5436 [inline] lock_acquire+0x2a3/0x910 kernel/locking/lockdep.c:5401 __mutex_lock_common kernel/locking/mutex.c:956 [inline] __mutex_lock+0x134/0x1210 kernel/locking/mutex.c:1103 ieee80211_recalc_min_chandef+0x43/0x100 net/mac80211/util.c:2740 sta_info_move_state+0x140/0x9d0 net/mac80211/sta_info.c:2019 sta_info_free+0x5c/0x340 net/mac80211/sta_info.c:274 sta_info_insert_rcu+0x2a5/0x2700 net/mac80211/sta_info.c:738 ieee80211_ibss_finish_sta+0x1af/0x2d0 net/mac80211/ibss.c:592 ieee80211_ibss_work+0x265/0xcc0 net/mac80211/ibss.c:1700 process_one_work+0x75b/0x1230 kernel/workqueue.c:2272 worker_thread+0x598/0xf80 kernel/workqueue.c:2418 kthread+0x36d/0x450 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296 BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1962 in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 8353, name: kworker/u4:6 INFO: lockdep is turned off. Preemption disabled at: [] preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:40 CPU: 1 PID: 8353 Comm: kworker/u4:6 Tainted: G W 5.10.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: phy55 ieee80211_iface_work Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x9a/0xcc lib/dump_stack.c:118 ___might_sleep.cold+0x65/0x79 kernel/sched/core.c:7298 sta_info_move_state+0x2b/0x9d0 net/mac80211/sta_info.c:1962 sta_info_free+0x5c/0x340 net/mac80211/sta_info.c:274 sta_info_insert_rcu+0x2a5/0x2700 net/mac80211/sta_info.c:738 ieee80211_ibss_finish_sta+0x1af/0x2d0 net/mac80211/ibss.c:592 ieee80211_ibss_work+0x265/0xcc0 net/mac80211/ibss.c:1700 process_one_work+0x75b/0x1230 kernel/workqueue.c:2272 worker_thread+0x598/0xf80 kernel/workqueue.c:2418 kthread+0x36d/0x450 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296 wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50