DUID 00:04:e3:a1:4c:5b:a4:47:39:93:9a:5d:f6:69:14:97:a9:57 forked to background, child pid 3183 [ 27.140209][ T3184] 8021q: adding VLAN 0 to HW filter on device bond0 [ 27.153623][ T3184] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.93' (ECDSA) to the list of known hosts. 2022/06/21 09:14:44 fuzzer started syzkaller login: [ 43.113083][ T0] ------------[ cut here ]------------ [ 43.113094][ T0] WARNING: CPU: 1 PID: 0 at kernel/context_tracking.c:335 ct_idle_exit+0x34/0x40 [ 43.113153][ T0] [ 43.113157][ T0] ============================= [ 43.113161][ T0] WARNING: suspicious RCU usage [ 43.113166][ T0] 5.19.0-rc3-next-20220620-syzkaller #0 Not tainted [ 43.113176][ T0] ----------------------------- [ 43.113180][ T0] include/trace/events/lock.h:24 suspicious rcu_dereference_check() usage! [ 43.113193][ T0] [ 43.113193][ T0] other info that might help us debug this: [ 43.113193][ T0] [ 43.113198][ T0] [ 43.113198][ T0] rcu_scheduler_active = 2, debug_locks = 1 [ 43.113209][ T0] RCU used illegally from extended quiescent state! [ 43.113214][ T0] no locks held by swapper/1/0. [ 43.113221][ T0] [ 43.113221][ T0] stack backtrace: [ 43.113226][ T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.19.0-rc3-next-20220620-syzkaller #0 [ 43.113246][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.113257][ T0] Call Trace: [ 43.113262][ T0] [ 43.113270][ T0] dump_stack_lvl+0xcd/0x134 [ 43.113306][ T0] lock_acquire.cold+0x1f/0x40 [ 43.113332][ T0] ? lock_release+0x780/0x780 [ 43.113377][ T0] ? vprintk_emit+0x127/0x680 [ 43.113400][ T0] _raw_spin_lock_irqsave+0x39/0x50 [ 43.113430][ T0] ? down_trylock+0xe/0x60 [ 43.113459][ T0] down_trylock+0xe/0x60 [ 43.113489][ T0] __down_trylock_console_sem+0xfb/0x120 [ 43.113513][ T0] console_trylock+0x13/0xd0 [ 43.113532][ T0] vprintk_emit+0x127/0x680 [ 43.113557][ T0] ? ct_idle_exit+0x34/0x40 [ 43.113586][ T0] vprintk+0x80/0x90 [ 43.113609][ T0] _printk+0xba/0xed [ 43.113634][ T0] ? record_print_text.cold+0x16/0x16 [ 43.113658][ T0] ? vprintk+0x88/0x90 [ 43.113682][ T0] ? _printk+0xba/0xed [ 43.113705][ T0] ? record_print_text.cold+0x16/0x16 [ 43.113739][ T0] ? ct_idle_exit+0x34/0x40 [ 43.113769][ T0] __warn+0x91/0x190 [ 43.113797][ T0] ? ct_idle_exit+0x34/0x40 [ 43.113825][ T0] report_bug+0x1bc/0x210 [ 43.113861][ T0] handle_bug+0x3c/0x60 [ 43.113882][ T0] exc_invalid_op+0x14/0x40 [ 43.113906][ T0] asm_exc_invalid_op+0x1b/0x20 [ 43.113937][ T0] RIP: 0010:ct_idle_exit+0x34/0x40 [ 43.113965][ T0] Code: 00 02 00 00 31 ff 48 89 de 0f 1f 44 00 00 48 85 db 75 12 0f 1f 44 00 00 5b be 03 00 00 00 31 ff e9 01 fe ff ff 0f 1f 44 00 00 <0f> 0b eb e5 0f 1f 84 00 00 00 00 00 41 56 41 55 41 54 41 89 f4 55 [ 43.113986][ T0] RSP: 0018:ffffc90000187d78 EFLAGS: 00010206 [ 43.114003][ T0] RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000000000 [ 43.114015][ T0] RDX: ffff888011a6ba80 RSI: 0000000000000200 RDI: 0000000000000000 [ 43.114027][ T0] RBP: ffffffff8c7bfca0 R08: 0000000000000005 R09: 0000000000000000 [ 43.114040][ T0] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 43.114053][ T0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 43.114087][ T0] cpuidle_enter_state+0x6f7/0xc80 [ 43.114126][ T0] cpuidle_enter+0x4a/0xa0 [ 43.114157][ T0] do_idle+0x3e8/0x590 [ 43.114184][ T0] ? arch_cpu_idle_exit+0x30/0x30 [ 43.114209][ T0] ? _raw_spin_unlock_irqrestore+0x30/0x70 [ 43.114255][ T0] ? lockdep_hardirqs_on+0x79/0x100 [ 43.114288][ T0] cpu_startup_entry+0x14/0x20 [ 43.114313][ T0] start_secondary+0x21d/0x2b0 [ 43.114347][ T0] ? set_cpu_sibling_map+0x1ef0/0x1ef0 [ 43.114394][ T0] secondary_startup_64_no_verify+0xce/0xdb [ 43.114444][ T0] [ 43.114452][ T0] [ 43.114456][ T0] ============================= [ 43.114460][ T0] WARNING: suspicious RCU usage [ 43.114465][ T0] 5.19.0-rc3-next-20220620-syzkaller #0 Not tainted [ 43.114475][ T0] ----------------------------- [ 43.114479][ T0] include/trace/events/lock.h:69 suspicious rcu_dereference_check() usage! [ 43.114492][ T0] [ 43.114492][ T0] other info that might help us debug this: [ 43.114492][ T0] [ 43.114497][ T0] [ 43.114497][ T0] rcu_scheduler_active = 2, debug_locks = 1 [ 43.114509][ T0] RCU used illegally from extended quiescent state! [ 43.114514][ T0] 1 lock held by swapper/1/0: [ 43.114525][ T0] #0: ffffffff8bd75ed8 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x60 [ 43.114580][ T0] [ 43.114580][ T0] stack backtrace: [ 43.114584][ T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.19.0-rc3-next-20220620-syzkaller #0 [ 43.114605][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.114615][ T0] Call Trace: [ 43.114620][ T0] [ 43.114627][ T0] dump_stack_lvl+0xcd/0x134 [ 43.114660][ T0] lock_release.cold+0x1f/0x4e [ 43.114682][ T0] ? down_trylock+0x45/0x60 [ 43.114711][ T0] ? lock_downgrade+0x6e0/0x6e0 [ 43.114733][ T0] ? rwlock_bug.part.0+0x90/0x90 [ 43.114768][ T0] ? vprintk_emit+0x127/0x680 [ 43.114790][ T0] _raw_spin_unlock_irqrestore+0x16/0x70 [ 43.114823][ T0] down_trylock+0x45/0x60 [ 43.114854][ T0] __down_trylock_console_sem+0xfb/0x120 [ 43.114878][ T0] console_trylock+0x13/0xd0 [ 43.114899][ T0] vprintk_emit+0x127/0x680 [ 43.114924][ T0] ? ct_idle_exit+0x34/0x40 [ 43.114953][ T0] vprintk+0x80/0x90 [ 43.114977][ T0] _printk+0xba/0xed [ 43.115001][ T0] ? record_print_text.cold+0x16/0x16 [ 43.115024][ T0] ? vprintk+0x88/0x90 [ 43.115047][ T0] ? _printk+0xba/0xed [ 43.115071][ T0] ? record_print_text.cold+0x16/0x16 [ 43.115105][ T0] ? ct_idle_exit+0x34/0x40 [ 43.115134][ T0] __warn+0x91/0x190 [ 43.115163][ T0] ? ct_idle_exit+0x34/0x40 [ 43.115190][ T0] report_bug+0x1bc/0x210 [ 43.115226][ T0] handle_bug+0x3c/0x60 [ 43.115248][ T0] exc_invalid_op+0x14/0x40 [ 43.115272][ T0] asm_exc_invalid_op+0x1b/0x20 [ 43.115305][ T0] RIP: 0010:ct_idle_exit+0x34/0x40 [ 43.115332][ T0] Code: 00 02 00 00 31 ff 48 89 de 0f 1f 44 00 00 48 85 db 75 12 0f 1f 44 00 00 5b be 03 00 00 00 31 ff e9 01 fe ff ff 0f 1f 44 00 00 <0f> 0b eb e5 0f 1f 84 00 00 00 00 00 41 56 41 55 41 54 41 89 f4 55 [ 43.115351][ T0] RSP: 0018:ffffc90000187d78 EFLAGS: 00010206 [ 43.115367][ T0] RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000000000 [ 43.115385][ T0] RDX: ffff888011a6ba80 RSI: 0000000000000200 RDI: 0000000000000000 [ 43.115398][ T0] RBP: ffffffff8c7bfca0 R08: 0000000000000005 R09: 0000000000000000 [ 43.115411][ T0] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 43.115423][ T0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 43.115460][ T0] cpuidle_enter_state+0x6f7/0xc80 [ 43.115498][ T0] cpuidle_enter+0x4a/0xa0 [ 43.115529][ T0] do_idle+0x3e8/0x590 [ 43.115557][ T0] ? arch_cpu_idle_exit+0x30/0x30 [ 43.115582][ T0] ? _raw_spin_unlock_irqrestore+0x30/0x70 [ 43.115616][ T0] ? lockdep_hardirqs_on+0x79/0x100 [ 43.115651][ T0] cpu_startup_entry+0x14/0x20 [ 43.115676][ T0] start_secondary+0x21d/0x2b0 [ 43.115710][ T0] ? set_cpu_sibling_map+0x1ef0/0x1ef0 [ 43.115754][ T0] secondary_startup_64_no_verify+0xce/0xdb [ 43.115803][ T0] [ 43.802021][ T0] Modules linked in: [ 43.806027][ T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.19.0-rc3-next-20220620-syzkaller #0 [ 43.815405][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.825568][ T0] RIP: 0010:ct_idle_exit+0x34/0x40 [ 43.830719][ T0] Code: 00 02 00 00 31 ff 48 89 de 0f 1f 44 00 00 48 85 db 75 12 0f 1f 44 00 00 5b be 03 00 00 00 31 ff e9 01 fe ff ff 0f 1f 44 00 00 <0f> 0b eb e5 0f 1f 84 00 00 00 00 00 41 56 41 55 41 54 41 89 f4 55 [ 43.850434][ T0] RSP: 0018:ffffc90000187d78 EFLAGS: 00010206 [ 43.856586][ T0] RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000000000 [ 43.856609][ T0] RDX: ffff888011a6ba80 RSI: 0000000000000200 RDI: 0000000000000000 [ 43.856623][ T0] RBP: ffffffff8c7bfca0 R08: 0000000000000005 R09: 0000000000000000 [ 43.856639][ T0] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 43.856654][ T0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 43.856669][ T0] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 43.856694][ T0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.856713][ T0] CR2: 000000000183d628 CR3: 0000000022ca1000 CR4: 00000000003506e0 [ 43.856730][ T0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 43.856745][ T0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 43.856761][ T0] Call Trace: [ 43.856769][ T0] [ 43.856780][ T0] cpuidle_enter_state+0x6f7/0xc80 [ 43.856836][ T0] cpuidle_enter+0x4a/0xa0 [ 43.856879][ T0] do_idle+0x3e8/0x590 [ 43.856910][ T0] ? arch_cpu_idle_exit+0x30/0x30 [ 43.856938][ T0] ? _raw_spin_unlock_irqrestore+0x30/0x70 [ 43.856974][ T0] ? lockdep_hardirqs_on+0x79/0x100 [ 43.857011][ T0] cpu_startup_entry+0x14/0x20 [ 43.857038][ T0] start_secondary+0x21d/0x2b0 [ 43.857074][ T0] ? set_cpu_sibling_map+0x1ef0/0x1ef0 [ 43.857118][ T0] secondary_startup_64_no_verify+0xce/0xdb [ 43.857168][ T0] [ 43.857180][ T0] Kernel panic - not syncing: panic_on_warn set ... [ 43.857190][ T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.19.0-rc3-next-20220620-syzkaller #0 [ 43.857213][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.857226][ T0] Call Trace: [ 43.857233][ T0] [ 43.857241][ T0] dump_stack_lvl+0xcd/0x134 [ 43.857276][ T0] panic+0x2d7/0x64a [ 43.857305][ T0] ? panic_print_sys_info.part.0+0x10b/0x10b [ 43.857347][ T0] ? __warn.cold+0x1d9/0x2cd [ 43.857386][ T0] ? ct_idle_exit+0x34/0x40 [ 43.857415][ T0] __warn.cold+0x1ea/0x2cd [ 43.857444][ T0] ? ct_idle_exit+0x34/0x40 [ 43.857473][ T0] report_bug+0x1bc/0x210 [ 43.857509][ T0] handle_bug+0x3c/0x60 [ 43.857532][ T0] exc_invalid_op+0x14/0x40 [ 43.857562][ T0] asm_exc_invalid_op+0x1b/0x20 [ 43.857594][ T0] RIP: 0010:ct_idle_exit+0x34/0x40 [ 43.857624][ T0] Code: 00 02 00 00 31 ff 48 89 de 0f 1f 44 00 00 48 85 db 75 12 0f 1f 44 00 00 5b be 03 00 00 00 31 ff e9 01 fe ff ff 0f 1f 44 00 00 <0f> 0b eb e5 0f 1f 84 00 00 00 00 00 41 56 41 55 41 54 41 89 f4 55 [ 43.857644][ T0] RSP: 0018:ffffc90000187d78 EFLAGS: 00010206 [ 43.857664][ T0] RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000000000 [ 43.857678][ T0] RDX: ffff888011a6ba80 RSI: 0000000000000200 RDI: 0000000000000000 [ 43.857693][ T0] RBP: ffffffff8c7bfca0 R08: 0000000000000005 R09: 0000000000000000 [ 43.857707][ T0] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 43.857720][ T0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 43.857755][ T0] cpuidle_enter_state+0x6f7/0xc80 [ 43.857792][ T0] cpuidle_enter+0x4a/0xa0 [ 43.857822][ T0] do_idle+0x3e8/0x590 [ 43.857850][ T0] ? arch_cpu_idle_exit+0x30/0x30 [ 43.857875][ T0] ? _raw_spin_unlock_irqrestore+0x30/0x70 [ 43.857908][ T0] ? lockdep_hardirqs_on+0x79/0x100 [ 43.857943][ T0] cpu_startup_entry+0x14/0x20 [ 43.857968][ T0] start_secondary+0x21d/0x2b0 [ 43.858001][ T0] ? set_cpu_sibling_map+0x1ef0/0x1ef0 [ 43.858043][ T0] secondary_startup_64_no_verify+0xce/0xdb [ 43.858091][ T0] [ 44.202970][ T0] [ 44.205314][ T0] ============================= [ 44.210143][ T0] WARNING: suspicious RCU usage [ 44.214977][ T0] 5.19.0-rc3-next-20220620-syzkaller #0 Not tainted [ 44.221554][ T0] ----------------------------- [ 44.226388][ T0] include/linux/rcupdate.h:707 rcu_read_lock() used illegally while idle! [ 44.234868][ T0] [ 44.234868][ T0] other info that might help us debug this: [ 44.234868][ T0] [ 44.245081][ T0] [ 44.245081][ T0] rcu_scheduler_active = 2, debug_locks = 1 [ 44.253127][ T0] RCU used illegally from extended quiescent state! [ 44.259702][ T0] 1 lock held by swapper/1/0: [ 44.264357][ T0] #0: ffffffff8bd87780 (rcu_read_lock){....}-{1:2}, at: atomic_notifier_call_chain+0x0/0x180 [ 44.274629][ T0] [ 44.274629][ T0] stack backtrace: [ 44.280500][ T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.19.0-rc3-next-20220620-syzkaller #0 [ 44.289679][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.299726][ T0] Call Trace: [ 44.302991][ T0] [ 44.305912][ T0] dump_stack_lvl+0xcd/0x134 [ 44.310499][ T0] atomic_notifier_call_chain+0x112/0x180 [ 44.316211][ T0] panic+0x35f/0x64a [ 44.320098][ T0] ? panic_print_sys_info.part.0+0x10b/0x10b [ 44.326099][ T0] ? __warn.cold+0x1d9/0x2cd [ 44.330682][ T0] ? ct_idle_exit+0x34/0x40 [ 44.335180][ T0] __warn.cold+0x1ea/0x2cd [ 44.339586][ T0] ? ct_idle_exit+0x34/0x40 [ 44.344081][ T0] report_bug+0x1bc/0x210 [ 44.348421][ T0] handle_bug+0x3c/0x60 [ 44.352568][ T0] exc_invalid_op+0x14/0x40 [ 44.357059][ T0] asm_exc_invalid_op+0x1b/0x20 [ 44.361902][ T0] RIP: 0010:ct_idle_exit+0x34/0x40 [ 44.367004][ T0] Code: 00 02 00 00 31 ff 48 89 de 0f 1f 44 00 00 48 85 db 75 12 0f 1f 44 00 00 5b be 03 00 00 00 31 ff e9 01 fe ff ff 0f 1f 44 00 00 <0f> 0b eb e5 0f 1f 84 00 00 00 00 00 41 56 41 55 41 54 41 89 f4 55 [ 44.386685][ T0] RSP: 0018:ffffc90000187d78 EFLAGS: 00010206 [ 44.392739][ T0] RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000000000 [ 44.400695][ T0] RDX: ffff888011a6ba80 RSI: 0000000000000200 RDI: 0000000000000000 [ 44.408738][ T0] RBP: ffffffff8c7bfca0 R08: 0000000000000005 R09: 0000000000000000 [ 44.416693][ T0] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 44.424654][ T0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 44.432721][ T0] cpuidle_enter_state+0x6f7/0xc80 [ 44.437834][ T0] cpuidle_enter+0x4a/0xa0 [ 44.442246][ T0] do_idle+0x3e8/0x590 [ 44.446307][ T0] ? arch_cpu_idle_exit+0x30/0x30 [ 44.451332][ T0] ? _raw_spin_unlock_irqrestore+0x30/0x70 [ 44.457135][ T0] ? lockdep_hardirqs_on+0x79/0x100 [ 44.462339][ T0] cpu_startup_entry+0x14/0x20 [ 44.467090][ T0] start_secondary+0x21d/0x2b0 [ 44.471853][ T0] ? set_cpu_sibling_map+0x1ef0/0x1ef0 [ 44.477321][ T0] secondary_startup_64_no_verify+0xce/0xdb [ 44.483214][ T0] [ 44.486225][ T0] Kernel Offset: disabled [ 44.490530][ T0] [ 44.492836][ T0] ============================= [ 44.497670][ T0] WARNING: suspicious RCU usage [ 44.502515][ T0] 5.19.0-rc3-next-20220620-syzkaller #0 Not tainted [ 44.509083][ T0] ----------------------------- [ 44.513907][ T0] include/linux/rcupdate.h:735 rcu_read_unlock() used illegally while idle! [ 44.522576][ T0] [ 44.522576][ T0] other info that might help us debug this: [ 44.522576][ T0] [ 44.532811][ T0] [ 44.532811][ T0] rcu_scheduler_active = 2, debug_locks = 1 [ 44.540957][ T0] RCU used illegally from extended quiescent state! [ 44.547534][ T0] 1 lock held by swapper/1/0: [ 44.552190][ T0] #0: ffffffff8bd87780 (rcu_read_lock){....}-{1:2}, at: atomic_notifier_call_chain+0x0/0x180 [ 44.562447][ T0] [ 44.562447][ T0] stack backtrace: [ 44.568320][ T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.19.0-rc3-next-20220620-syzkaller #0 [ 44.577499][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.587539][ T0] Call Trace: [ 44.590804][ T0] [ 44.593722][ T0] dump_stack_lvl+0xcd/0x134 [ 44.598308][ T0] atomic_notifier_call_chain+0x175/0x180 [ 44.604027][ T0] panic+0x35f/0x64a [ 44.607913][ T0] ? panic_print_sys_info.part.0+0x10b/0x10b [ 44.613891][ T0] ? __warn.cold+0x1d9/0x2cd [ 44.618474][ T0] ? ct_idle_exit+0x34/0x40 [ 44.622969][ T0] __warn.cold+0x1ea/0x2cd [ 44.627389][ T0] ? ct_idle_exit+0x34/0x40 [ 44.631881][ T0] report_bug+0x1bc/0x210 [ 44.636206][ T0] handle_bug+0x3c/0x60 [ 44.640350][ T0] exc_invalid_op+0x14/0x40 [ 44.644846][ T0] asm_exc_invalid_op+0x1b/0x20 [ 44.649702][ T0] RIP: 0010:ct_idle_exit+0x34/0x40 [ 44.654820][ T0] Code: 00 02 00 00 31 ff 48 89 de 0f 1f 44 00 00 48 85 db 75 12 0f 1f 44 00 00 5b be 03 00 00 00 31 ff e9 01 fe ff ff 0f 1f 44 00 00 <0f> 0b eb e5 0f 1f 84 00 00 00 00 00 41 56 41 55 41 54 41 89 f4 55 [ 44.674415][ T0] RSP: 0018:ffffc90000187d78 EFLAGS: 00010206 [ 44.680465][ T0] RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000000000 [ 44.688420][ T0] RDX: ffff888011a6ba80 RSI: 0000000000000200 RDI: 0000000000000000 [ 44.696376][ T0] RBP: ffffffff8c7bfca0 R08: 0000000000000005 R09: 0000000000000000 [ 44.704335][ T0] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 44.712303][ T0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 44.720369][ T0] cpuidle_enter_state+0x6f7/0xc80 [ 44.725480][ T0] cpuidle_enter+0x4a/0xa0 [ 44.729887][ T0] do_idle+0x3e8/0x590 [ 44.733947][ T0] ? arch_cpu_idle_exit+0x30/0x30 [ 44.738963][ T0] ? _raw_spin_unlock_irqrestore+0x30/0x70 [ 44.744772][ T0] ? lockdep_hardirqs_on+0x79/0x100 [ 44.749965][ T0] cpu_startup_entry+0x14/0x20 [ 44.754718][ T0] start_secondary+0x21d/0x2b0 [ 44.759480][ T0] ? set_cpu_sibling_map+0x1ef0/0x1ef0 [ 44.764935][ T0] secondary_startup_64_no_verify+0xce/0xdb [ 44.770854][ T0] [ 44.773861][ T0] [ 44.776169][ T0] ============================= [ 44.781014][ T0] WARNING: suspicious RCU usage [ 44.785841][ T0] 5.19.0-rc3-next-20220620-syzkaller #0 Not tainted [ 44.792407][ T0] ----------------------------- [ 44.797232][ T0] include/linux/rcupdate.h:707 rcu_read_lock() used illegally while idle! [ 44.805714][ T0] [ 44.805714][ T0] other info that might help us debug this: [ 44.805714][ T0] [ 44.815931][ T0] [ 44.815931][ T0] rcu_scheduler_active = 2, debug_locks = 1 [ 44.823972][ T0] RCU used illegally from extended quiescent state! [ 44.830535][ T0] 1 lock held by swapper/1/0: [ 44.835191][ T0] #0: ffffffff8bd87780 (rcu_read_lock){....}-{1:2}, at: kmsg_dump+0x0/0x260 [ 44.843965][ T0] [ 44.843965][ T0] stack backtrace: [ 44.849841][ T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.19.0-rc3-next-20220620-syzkaller #0 [ 44.859285][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.869339][ T0] Call Trace: [ 44.872606][ T0] [ 44.875531][ T0] dump_stack_lvl+0xcd/0x134 [ 44.880121][ T0] kmsg_dump+0x1c8/0x260 [ 44.884353][ T0] panic+0x36e/0x64a [ 44.888240][ T0] ? panic_print_sys_info.part.0+0x10b/0x10b [ 44.894229][ T0] ? __warn.cold+0x1d9/0x2cd [ 44.898816][ T0] ? ct_idle_exit+0x34/0x40 [ 44.903311][ T0] __warn.cold+0x1ea/0x2cd [ 44.907718][ T0] ? ct_idle_exit+0x34/0x40 [ 44.912298][ T0] report_bug+0x1bc/0x210 [ 44.916625][ T0] handle_bug+0x3c/0x60 [ 44.920769][ T0] exc_invalid_op+0x14/0x40 [ 44.925272][ T0] asm_exc_invalid_op+0x1b/0x20 [ 44.930133][ T0] RIP: 0010:ct_idle_exit+0x34/0x40 [ 44.935596][ T0] Code: 00 02 00 00 31 ff 48 89 de 0f 1f 44 00 00 48 85 db 75 12 0f 1f 44 00 00 5b be 03 00 00 00 31 ff e9 01 fe ff ff 0f 1f 44 00 00 <0f> 0b eb e5 0f 1f 84 00 00 00 00 00 41 56 41 55 41 54 41 89 f4 55 [ 44.955644][ T0] RSP: 0018:ffffc90000187d78 EFLAGS: 00010206 [ 44.961723][ T0] RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000000000 [ 44.969684][ T0] RDX: ffff888011a6ba80 RSI: 0000000000000200 RDI: 0000000000000000 [ 44.977659][ T0] RBP: ffffffff8c7bfca0 R08: 0000000000000005 R09: 0000000000000000 [ 44.985643][ T0] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 44.993620][ T0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 45.001599][ T0] cpuidle_enter_state+0x6f7/0xc80 [ 45.006716][ T0] cpuidle_enter+0x4a/0xa0 [ 45.011140][ T0] do_idle+0x3e8/0x590 [ 45.015208][ T0] ? arch_cpu_idle_exit+0x30/0x30 [ 45.020229][ T0] ? _raw_spin_unlock_irqrestore+0x30/0x70 [ 45.026031][ T0] ? lockdep_hardirqs_on+0x79/0x100 [ 45.031234][ T0] cpu_startup_entry+0x14/0x20 [ 45.035985][ T0] start_secondary+0x21d/0x2b0 [ 45.040777][ T0] ? set_cpu_sibling_map+0x1ef0/0x1ef0 [ 45.046243][ T0] secondary_startup_64_no_verify+0xce/0xdb [ 45.052150][ T0] [ 45.055163][ T0] [ 45.057483][ T0] ============================= [ 45.062311][ T0] WARNING: suspicious RCU usage [ 45.067139][ T0] 5.19.0-rc3-next-20220620-syzkaller #0 Not tainted [ 45.073704][ T0] ----------------------------- [ 45.078531][ T0] include/linux/rcupdate.h:735 rcu_read_unlock() used illegally while idle! [ 45.087184][ T0] [ 45.087184][ T0] other info that might help us debug this: [ 45.087184][ T0] [ 45.097426][ T0] [ 45.097426][ T0] rcu_scheduler_active = 2, debug_locks = 1 [ 45.105483][ T0] RCU used illegally from extended quiescent state! [ 45.112049][ T0] 1 lock held by swapper/1/0: [ 45.116707][ T0] #0: ffffffff8bd87780 (rcu_read_lock){....}-{1:2}, at: kmsg_dump+0x0/0x260 [ 45.125482][ T0] [ 45.125482][ T0] stack backtrace: [ 45.131524][ T0] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.19.0-rc3-next-20220620-syzkaller #0 [ 45.140702][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.150754][ T0] Call Trace: [ 45.154026][ T0] [ 45.156944][ T0] dump_stack_lvl+0xcd/0x134 [ 45.161534][ T0] kmsg_dump+0x22b/0x260 [ 45.165768][ T0] panic+0x36e/0x64a [ 45.169654][ T0] ? panic_print_sys_info.part.0+0x10b/0x10b [ 45.175633][ T0] ? __warn.cold+0x1d9/0x2cd [ 45.180222][ T0] ? ct_idle_exit+0x34/0x40 [ 45.184725][ T0] __warn.cold+0x1ea/0x2cd [ 45.189131][ T0] ? ct_idle_exit+0x34/0x40 [ 45.193626][ T0] report_bug+0x1bc/0x210 [ 45.197959][ T0] handle_bug+0x3c/0x60 [ 45.202102][ T0] exc_invalid_op+0x14/0x40 [ 45.206591][ T0] asm_exc_invalid_op+0x1b/0x20 [ 45.211446][ T0] RIP: 0010:ct_idle_exit+0x34/0x40 [ 45.216558][ T0] Code: 00 02 00 00 31 ff 48 89 de 0f 1f 44 00 00 48 85 db 75 12 0f 1f 44 00 00 5b be 03 00 00 00 31 ff e9 01 fe ff ff 0f 1f 44 00 00 <0f> 0b eb e5 0f 1f 84 00 00 00 00 00 41 56 41 55 41 54 41 89 f4 55 [ 45.236149][ T0] RSP: 0018:ffffc90000187d78 EFLAGS: 00010206 [ 45.242202][ T0] RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000000000 [ 45.250156][ T0] RDX: ffff888011a6ba80 RSI: 0000000000000200 RDI: 0000000000000000 [ 45.258124][ T0] RBP: ffffffff8c7bfca0 R08: 0000000000000005 R09: 0000000000000000 [ 45.266082][ T0] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 45.274037][ T0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 45.282009][ T0] cpuidle_enter_state+0x6f7/0xc80 [ 45.287129][ T0] cpuidle_enter+0x4a/0xa0 [ 45.291539][ T0] do_idle+0x3e8/0x590 [ 45.295603][ T0] ? arch_cpu_idle_exit+0x30/0x30 [ 45.300614][ T0] ? _raw_spin_unlock_irqrestore+0x30/0x70 [ 45.306411][ T0] ? lockdep_hardirqs_on+0x79/0x100 [ 45.311605][ T0] cpu_startup_entry+0x14/0x20 [ 45.316358][ T0] start_secondary+0x21d/0x2b0 [ 45.321129][ T0] ? set_cpu_sibling_map+0x1ef0/0x1ef0 [ 45.326597][ T0] secondary_startup_64_no_verify+0xce/0xdb [ 45.332497][ T0] [ 45.335854][ T0] Rebooting in 86400 seconds..