Warning: Permanently added '10.128.0.94' (ECDSA) to the list of known hosts. 2022/06/21 09:20:16 fuzzer started 2022/06/21 09:20:17 dialing manager at 10.128.0.169:35935 syzkaller login: [ 42.934408][ T3603] cgroup: Unknown subsys name 'net' [ 43.037840][ T3603] cgroup: Unknown subsys name 'rlimit' 2022/06/21 09:20:17 syscalls: 3682 2022/06/21 09:20:17 code coverage: enabled 2022/06/21 09:20:17 comparison tracing: enabled 2022/06/21 09:20:17 extra coverage: enabled 2022/06/21 09:20:17 delay kcov mmap: enabled 2022/06/21 09:20:17 setuid sandbox: enabled 2022/06/21 09:20:17 namespace sandbox: enabled 2022/06/21 09:20:17 Android sandbox: /sys/fs/selinux/policy does not exist 2022/06/21 09:20:17 fault injection: enabled 2022/06/21 09:20:17 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2022/06/21 09:20:17 net packet injection: enabled 2022/06/21 09:20:17 net device setup: enabled 2022/06/21 09:20:17 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/06/21 09:20:17 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/06/21 09:20:17 USB emulation: enabled 2022/06/21 09:20:17 hci packet injection: enabled 2022/06/21 09:20:17 wifi device emulation: enabled 2022/06/21 09:20:17 802.15.4 emulation: enabled 2022/06/21 09:20:17 fetching corpus: 0, signal 0/2000 (executing program) 2022/06/21 09:20:17 fetching corpus: 50, signal 35248/38966 (executing program) 2022/06/21 09:20:17 fetching corpus: 100, signal 62678/67909 (executing program) 2022/06/21 09:20:17 fetching corpus: 150, signal 75473/82271 (executing program) 2022/06/21 09:20:17 fetching corpus: 200, signal 87677/95905 (executing program) 2022/06/21 09:20:18 fetching corpus: 250, signal 97751/107355 (executing program) 2022/06/21 09:20:18 fetching corpus: 300, signal 109846/120702 (executing program) 2022/06/21 09:20:18 fetching corpus: 350, signal 117472/129603 (executing program) 2022/06/21 09:20:18 fetching corpus: 400, signal 126018/139351 (executing program) 2022/06/21 09:20:18 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program) 2022/06/21 09:20:25 fetching corpus: 2850, signal 276911/327071 (executing program) 2022/06/21 09:20:25 fetching corpus: 2900, signal 278165/328893 (executing program) 2022/06/21 09:20:25 fetching corpus: 2950, signal 279421/330708 (executing program) 2022/06/21 09:20:25 fetching corpus: 3000, signal 281367/333032 (executing program) 2022/06/21 09:20:25 fetching corpus: 3050, signal 282990/335122 (executing program) 2022/06/21 09:20:25 fetching corpus: 3100, signal 284258/336894 (executing program) 2022/06/21 09:20:25 fetching corpus: 3150, signal 285353/338529 (executing program) 2022/06/21 09:20:25 fetching corpus: 3200, signal 287358/340770 (executing program) 2022/06/21 09:20:25 fetching corpus: 3250, signal 288818/342689 (executing program) 2022/06/21 09:20:26 fetching corpus: 3300, signal 290218/344481 (executing program) 2022/06/21 09:20:26 fetching corpus: 3350, signal 292099/346634 (executing program) 2022/06/21 09:20:26 fetching corpus: 3400, signal 294060/348808 (executing program) 2022/06/21 09:20:26 fetching corpus: 3450, signal 296452/351331 (executing program) 2022/06/21 09:20:26 fetching corpus: 3500, signal 297898/353124 (executing program) [ 52.550336][ T0] ------------[ cut here ]------------ [ 52.550345][ T0] WARNING: CPU: 0 PID: 0 at kernel/context_tracking.c:335 ct_idle_exit+0x34/0x40 [ 52.550406][ T0] [ 52.550410][ T0] ============================= [ 52.550414][ T0] WARNING: suspicious RCU usage [ 52.550418][ T0] 5.19.0-rc3-next-20220620-syzkaller #0 Not tainted [ 52.550429][ T0] ----------------------------- [ 52.550433][ T0] include/trace/events/lock.h:24 suspicious rcu_dereference_check() usage! [ 52.550446][ T0] 2022/06/21 09:20:26 fetching corpus: 3550, signal 299385/354952 (executing program) [ 52.550446][ T0] other info that might help us debug this: [ 52.550446][ T0] [ 52.550451][ T0] [ 52.550451][ T0] rcu_scheduler_active = 2, debug_locks = 1 [ 52.550463][ T0] RCU used illegally from extended quiescent state! [ 52.550469][ T0] no locks held by swapper/0/0. [ 52.550477][ T0] [ 52.550477][ T0] stack backtrace: [ 52.550481][ T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.19.0-rc3-next-20220620-syzkaller #0 [ 52.550502][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.550513][ T0] Call Trace: [ 52.550518][ T0] [ 52.550529][ T0] dump_stack_lvl+0xcd/0x134 [ 52.550564][ T0] lock_acquire.cold+0x1f/0x40 [ 52.550590][ T0] ? lock_release+0x780/0x780 [ 52.550624][ T0] ? __lock_acquire+0x163e/0x5660 [ 52.550647][ T0] ? vprintk_emit+0x127/0x680 [ 52.550671][ T0] _raw_spin_lock_irqsave+0x39/0x50 [ 52.550703][ T0] ? down_trylock+0xe/0x60 [ 52.550732][ T0] down_trylock+0xe/0x60 [ 52.550761][ T0] __down_trylock_console_sem+0xfb/0x120 [ 52.550785][ T0] console_trylock+0x13/0xd0 [ 52.550814][ T0] vprintk_emit+0x127/0x680 [ 52.550838][ T0] ? ct_idle_exit+0x34/0x40 [ 52.550867][ T0] vprintk+0x80/0x90 [ 52.550891][ T0] _printk+0xba/0xed [ 52.550916][ T0] ? record_print_text.cold+0x16/0x16 [ 52.550940][ T0] ? vprintk+0x88/0x90 [ 52.550964][ T0] ? _printk+0xba/0xed [ 52.550988][ T0] ? record_print_text.cold+0x16/0x16 [ 52.551018][ T0] ? lock_downgrade+0x6e0/0x6e0 2022/06/21 09:20:27 fetching corpus: 3600, signal 301252/357067 (executing program) [ 52.551043][ T0] ? ct_idle_exit+0x34/0x40 [ 52.551070][ T0] __warn+0x91/0x190 [ 52.551100][ T0] ? ct_idle_exit+0x34/0x40 [ 52.551130][ T0] report_bug+0x1bc/0x210 [ 52.551168][ T0] handle_bug+0x3c/0x60 [ 52.551191][ T0] exc_invalid_op+0x14/0x40 [ 52.551215][ T0] asm_exc_invalid_op+0x1b/0x20 [ 52.551249][ T0] RIP: 0010:ct_idle_exit+0x34/0x40 [ 52.551278][ 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 [ 52.551298][ T0] RSP: 0018:ffffffff8ba07d90 EFLAGS: 00010206 [ 52.551316][ T0] RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000000000 [ 52.551330][ T0] RDX: ffffffff8babc980 RSI: 0000000000000200 RDI: 0000000000000000 [ 52.551343][ T0] RBP: ffffffff8c7bfca0 R08: 0000000000000005 R09: 0000000000000000 [ 52.551356][ T0] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 52.551368][ T0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 52.551403][ T0] cpuidle_enter_state+0x6f7/0xc80 [ 52.551443][ T0] cpuidle_enter+0x4a/0xa0 [ 52.551473][ T0] do_idle+0x3e8/0x590 [ 52.551503][ T0] ? arch_cpu_idle_exit+0x30/0x30 [ 52.551547][ T0] cpu_startup_entry+0x14/0x20 [ 52.551572][ T0] rest_init+0x169/0x270 [ 52.551601][ T0] ? trace_init_perf_perm_irq_work_exit+0xe/0xe [ 52.551635][ T0] arch_call_rest_init+0xf/0x14 [ 52.551659][ T0] start_kernel+0x473/0x494 [ 52.551686][ T0] secondary_startup_64_no_verify+0xce/0xdb [ 52.551735][ T0] [ 52.551743][ T0] [ 52.551747][ T0] ============================= [ 52.551751][ T0] WARNING: suspicious RCU usage [ 52.551756][ T0] 5.19.0-rc3-next-20220620-syzkaller #0 Not tainted [ 52.551766][ T0] ----------------------------- [ 52.551770][ T0] include/trace/events/lock.h:69 suspicious rcu_dereference_check() usage! [ 52.551783][ T0] [ 52.551783][ T0] other info that might help us debug this: [ 52.551783][ T0] [ 52.551788][ T0] [ 52.551788][ T0] rcu_scheduler_active = 2, debug_locks = 1 [ 52.551808][ T0] RCU used illegally from extended quiescent state! [ 52.551813][ T0] 1 lock held by swapper/0/0: [ 52.551824][ T0] #0: ffffffff8bd75ed8 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x60 [ 52.551882][ T0] [ 52.551882][ T0] stack backtrace: [ 52.551886][ T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.19.0-rc3-next-20220620-syzkaller #0 [ 52.551907][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.551917][ T0] Call Trace: [ 52.551922][ T0] [ 52.551930][ T0] dump_stack_lvl+0xcd/0x134 [ 52.551965][ T0] lock_release.cold+0x1f/0x4e [ 52.551988][ T0] ? down_trylock+0x45/0x60 [ 52.552017][ T0] ? lock_downgrade+0x6e0/0x6e0 [ 52.552040][ T0] ? rwlock_bug.part.0+0x90/0x90 [ 52.552069][ T0] ? __lock_acquire+0x163e/0x5660 [ 52.552094][ T0] ? vprintk_emit+0x127/0x680 [ 52.552117][ T0] _raw_spin_unlock_irqrestore+0x16/0x70 [ 52.552151][ T0] down_trylock+0x45/0x60 [ 52.552197][ T0] __down_trylock_console_sem+0xfb/0x120 [ 52.552223][ T0] console_trylock+0x13/0xd0 [ 52.552244][ T0] vprintk_emit+0x127/0x680 [ 52.552268][ T0] ? ct_idle_exit+0x34/0x40 [ 52.552296][ T0] vprintk+0x80/0x90 [ 52.552320][ T0] _printk+0xba/0xed [ 52.552343][ T0] ? record_print_text.cold+0x16/0x16 [ 52.552367][ T0] ? vprintk+0x88/0x90 [ 52.552390][ T0] ? _printk+0xba/0xed [ 52.552414][ T0] ? record_print_text.cold+0x16/0x16 [ 52.552443][ T0] ? lock_downgrade+0x6e0/0x6e0 [ 52.552467][ T0] ? ct_idle_exit+0x34/0x40 [ 52.552496][ T0] __warn+0x91/0x190 [ 52.552525][ T0] ? ct_idle_exit+0x34/0x40 [ 52.552555][ T0] report_bug+0x1bc/0x210 [ 52.552592][ T0] handle_bug+0x3c/0x60 [ 52.552615][ T0] exc_invalid_op+0x14/0x40 [ 52.552640][ T0] asm_exc_invalid_op+0x1b/0x20 [ 52.552672][ T0] RIP: 0010:ct_idle_exit+0x34/0x40 [ 52.552700][ 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 [ 52.552720][ T0] RSP: 0018:ffffffff8ba07d90 EFLAGS: 00010206 [ 52.552736][ T0] RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000000000 [ 52.552749][ T0] RDX: ffffffff8babc980 RSI: 0000000000000200 RDI: 0000000000000000 [ 52.552763][ T0] RBP: ffffffff8c7bfca0 R08: 0000000000000005 R09: 0000000000000000 [ 52.552776][ T0] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 52.552788][ T0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 52.552830][ T0] cpuidle_enter_state+0x6f7/0xc80 [ 52.552870][ T0] cpuidle_enter+0x4a/0xa0 [ 52.552902][ T0] do_idle+0x3e8/0x590 [ 52.552931][ T0] ? arch_cpu_idle_exit+0x30/0x30 [ 52.552971][ T0] cpu_startup_entry+0x14/0x20 [ 52.552996][ T0] rest_init+0x169/0x270 [ 52.553027][ T0] ? trace_init_perf_perm_irq_work_exit+0xe/0xe [ 52.553059][ T0] arch_call_rest_init+0xf/0x14 [ 52.553082][ T0] start_kernel+0x473/0x494 [ 52.553110][ T0] secondary_startup_64_no_verify+0xce/0xdb [ 52.553162][ T0] [ 53.254347][ T0] Modules linked in: [ 53.258258][ T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.19.0-rc3-next-20220620-syzkaller #0 [ 53.267553][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.277713][ T0] RIP: 0010:ct_idle_exit+0x34/0x40 [ 53.282927][ 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 [ 53.302638][ T0] RSP: 0018:ffffffff8ba07d90 EFLAGS: 00010206 [ 53.308814][ T0] RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000000000 [ 53.316870][ T0] RDX: ffffffff8babc980 RSI: 0000000000000200 RDI: 0000000000000000 [ 53.324893][ T0] RBP: ffffffff8c7bfca0 R08: 0000000000000005 R09: 0000000000000000 [ 53.332949][ T0] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 53.341015][ T0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 53.349002][ T0] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 53.358044][ T0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.364705][ T0] CR2: 000000c00060243c CR3: 000000007a050000 CR4: 00000000003506f0 [ 53.372736][ T0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 53.380802][ T0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 53.388791][ T0] Call Trace: [ 53.392178][ T0] [ 53.395124][ T0] cpuidle_enter_state+0x6f7/0xc80 [ 53.400358][ T0] cpuidle_enter+0x4a/0xa0 [ 53.404809][ T0] do_idle+0x3e8/0x590 [ 53.408920][ T0] ? arch_cpu_idle_exit+0x30/0x30 [ 53.414096][ T0] cpu_startup_entry+0x14/0x20 [ 53.418888][ T0] rest_init+0x169/0x270 [ 53.423244][ T0] ? trace_init_perf_perm_irq_work_exit+0xe/0xe [ 53.429523][ T0] arch_call_rest_init+0xf/0x14 [ 53.434442][ T0] start_kernel+0x473/0x494 [ 53.438978][ T0] secondary_startup_64_no_verify+0xce/0xdb [ 53.445001][ T0] [ 53.448041][ T0] Kernel panic - not syncing: panic_on_warn set ... [ 53.454634][ T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.19.0-rc3-next-20220620-syzkaller #0 [ 53.463842][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.473913][ T0] Call Trace: [ 53.477206][ T0] [ 53.480153][ T0] dump_stack_lvl+0xcd/0x134 [ 53.484780][ T0] panic+0x2d7/0x64a [ 53.488710][ T0] ? panic_print_sys_info.part.0+0x10b/0x10b [ 53.494738][ T0] ? __warn.cold+0x1d9/0x2cd [ 53.499362][ T0] ? ct_idle_exit+0x34/0x40 [ 53.503891][ T0] __warn.cold+0x1ea/0x2cd [ 53.508324][ T0] ? ct_idle_exit+0x34/0x40 [ 53.512844][ T0] report_bug+0x1bc/0x210 [ 53.517214][ T0] handle_bug+0x3c/0x60 [ 53.521379][ T0] exc_invalid_op+0x14/0x40 [ 53.525891][ T0] asm_exc_invalid_op+0x1b/0x20 [ 53.530759][ T0] RIP: 0010:ct_idle_exit+0x34/0x40 [ 53.535897][ 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 [ 53.555519][ T0] RSP: 0018:ffffffff8ba07d90 EFLAGS: 00010206 [ 53.561588][ T0] RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000000000 [ 53.569556][ T0] RDX: ffffffff8babc980 RSI: 0000000000000200 RDI: 0000000000000000 [ 53.577527][ T0] RBP: ffffffff8c7bfca0 R08: 0000000000000005 R09: 0000000000000000 [ 53.585498][ T0] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 53.593468][ T0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 53.601461][ T0] cpuidle_enter_state+0x6f7/0xc80 [ 53.606594][ T0] cpuidle_enter+0x4a/0xa0 [ 53.611036][ T0] do_idle+0x3e8/0x590 [ 53.615114][ T0] ? arch_cpu_idle_exit+0x30/0x30 [ 53.620155][ T0] cpu_startup_entry+0x14/0x20 [ 53.624939][ T0] rest_init+0x169/0x270 [ 53.629195][ T0] ? trace_init_perf_perm_irq_work_exit+0xe/0xe [ 53.635451][ T0] arch_call_rest_init+0xf/0x14 [ 53.640308][ T0] start_kernel+0x473/0x494 [ 53.644819][ T0] secondary_startup_64_no_verify+0xce/0xdb [ 53.650743][ T0] [ 53.654050][ T0] [ 53.656395][ T0] ============================= [ 53.661223][ T0] WARNING: suspicious RCU usage [ 53.666051][ T0] 5.19.0-rc3-next-20220620-syzkaller #0 Not tainted [ 53.672617][ T0] ----------------------------- [ 53.677442][ T0] include/linux/rcupdate.h:707 rcu_read_lock() used illegally while idle! [ 53.685922][ T0] [ 53.685922][ T0] other info that might help us debug this: [ 53.685922][ T0] [ 53.696217][ T0] [ 53.696217][ T0] rcu_scheduler_active = 2, debug_locks = 1 [ 53.704260][ T0] RCU used illegally from extended quiescent state! [ 53.711181][ T0] 1 lock held by swapper/0/0: [ 53.715837][ T0] #0: ffffffff8bd87780 (rcu_read_lock){....}-{1:2}, at: atomic_notifier_call_chain+0x0/0x180 [ 53.726096][ T0] [ 53.726096][ T0] stack backtrace: [ 53.732063][ T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.19.0-rc3-next-20220620-syzkaller #0 [ 53.741271][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.751333][ T0] Call Trace: [ 53.754624][ T0] [ 53.757556][ T0] dump_stack_lvl+0xcd/0x134 [ 53.762143][ T0] atomic_notifier_call_chain+0x112/0x180 [ 53.767856][ T0] panic+0x35f/0x64a [ 53.771740][ T0] ? panic_print_sys_info.part.0+0x10b/0x10b [ 53.777728][ T0] ? __warn.cold+0x1d9/0x2cd [ 53.782320][ T0] ? ct_idle_exit+0x34/0x40 [ 53.786815][ T0] __warn.cold+0x1ea/0x2cd [ 53.791224][ T0] ? ct_idle_exit+0x34/0x40 [ 53.795718][ T0] report_bug+0x1bc/0x210 [ 53.800050][ T0] handle_bug+0x3c/0x60 [ 53.804290][ T0] exc_invalid_op+0x14/0x40 [ 53.808781][ T0] asm_exc_invalid_op+0x1b/0x20 [ 53.813626][ T0] RIP: 0010:ct_idle_exit+0x34/0x40 [ 53.818729][ 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 [ 53.838341][ T0] RSP: 0018:ffffffff8ba07d90 EFLAGS: 00010206 [ 53.844408][ T0] RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000000000 [ 53.852380][ T0] RDX: ffffffff8babc980 RSI: 0000000000000200 RDI: 0000000000000000 [ 53.860348][ T0] RBP: ffffffff8c7bfca0 R08: 0000000000000005 R09: 0000000000000000 [ 53.868311][ T0] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 53.876269][ T0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 53.884250][ T0] cpuidle_enter_state+0x6f7/0xc80 [ 53.889367][ T0] cpuidle_enter+0x4a/0xa0 [ 53.893778][ T0] do_idle+0x3e8/0x590 [ 53.897840][ T0] ? arch_cpu_idle_exit+0x30/0x30 [ 53.902910][ T0] cpu_startup_entry+0x14/0x20 [ 53.907664][ T0] rest_init+0x169/0x270 [ 53.911899][ T0] ? trace_init_perf_perm_irq_work_exit+0xe/0xe [ 53.918228][ T0] arch_call_rest_init+0xf/0x14 [ 53.923084][ T0] start_kernel+0x473/0x494 [ 53.927588][ T0] secondary_startup_64_no_verify+0xce/0xdb [ 53.933491][ T0] [ 53.936504][ T0] Kernel Offset: disabled [ 53.940863][ T0] [ 53.943191][ T0] ============================= [ 53.948024][ T0] WARNING: suspicious RCU usage [ 53.952865][ T0] 5.19.0-rc3-next-20220620-syzkaller #0 Not tainted [ 53.959435][ T0] ----------------------------- [ 53.964347][ T0] include/linux/rcupdate.h:735 rcu_read_unlock() used illegally while idle! [ 53.973085][ T0] [ 53.973085][ T0] other info that might help us debug this: [ 53.973085][ T0] [ 53.983301][ T0] [ 53.983301][ T0] rcu_scheduler_active = 2, debug_locks = 1 [ 53.991346][ T0] RCU used illegally from extended quiescent state! [ 53.997923][ T0] 1 lock held by swapper/0/0: [ 54.002587][ T0] #0: ffffffff8bd87780 (rcu_read_lock){....}-{1:2}, at: atomic_notifier_call_chain+0x0/0x180 [ 54.012857][ T0] [ 54.012857][ T0] stack backtrace: [ 54.018737][ T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.19.0-rc3-next-20220620-syzkaller #0 [ 54.027920][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.037971][ T0] Call Trace: [ 54.041241][ T0] [ 54.044169][ T0] dump_stack_lvl+0xcd/0x134 [ 54.048884][ T0] atomic_notifier_call_chain+0x175/0x180 [ 54.054597][ T0] panic+0x35f/0x64a [ 54.058503][ T0] ? panic_print_sys_info.part.0+0x10b/0x10b [ 54.064491][ T0] ? __warn.cold+0x1d9/0x2cd [ 54.069513][ T0] ? ct_idle_exit+0x34/0x40 [ 54.074008][ T0] __warn.cold+0x1ea/0x2cd [ 54.078426][ T0] ? ct_idle_exit+0x34/0x40 [ 54.082920][ T0] report_bug+0x1bc/0x210 [ 54.087244][ T0] handle_bug+0x3c/0x60 [ 54.091387][ T0] exc_invalid_op+0x14/0x40 [ 54.095880][ T0] asm_exc_invalid_op+0x1b/0x20 [ 54.100723][ T0] RIP: 0010:ct_idle_exit+0x34/0x40 [ 54.105836][ 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 [ 54.125878][ T0] RSP: 0018:ffffffff8ba07d90 EFLAGS: 00010206 [ 54.131929][ T0] RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000000000 [ 54.139900][ T0] RDX: ffffffff8babc980 RSI: 0000000000000200 RDI: 0000000000000000 [ 54.147856][ T0] RBP: ffffffff8c7bfca0 R08: 0000000000000005 R09: 0000000000000000 [ 54.155813][ T0] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 54.163767][ T0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 54.171746][ T0] cpuidle_enter_state+0x6f7/0xc80 [ 54.176856][ T0] cpuidle_enter+0x4a/0xa0 [ 54.181264][ T0] do_idle+0x3e8/0x590 [ 54.185324][ T0] ? arch_cpu_idle_exit+0x30/0x30 [ 54.190346][ T0] cpu_startup_entry+0x14/0x20 [ 54.195099][ T0] rest_init+0x169/0x270 [ 54.199331][ T0] ? trace_init_perf_perm_irq_work_exit+0xe/0xe [ 54.205565][ T0] arch_call_rest_init+0xf/0x14 [ 54.210403][ T0] start_kernel+0x473/0x494 [ 54.214897][ T0] secondary_startup_64_no_verify+0xce/0xdb [ 54.220795][ T0] [ 54.223804][ T0] [ 54.226117][ T0] ============================= [ 54.230949][ T0] WARNING: suspicious RCU usage [ 54.235775][ T0] 5.19.0-rc3-next-20220620-syzkaller #0 Not tainted [ 54.242341][ T0] ----------------------------- [ 54.247168][ T0] include/linux/rcupdate.h:707 rcu_read_lock() used illegally while idle! [ 54.255654][ T0] [ 54.255654][ T0] other info that might help us debug this: [ 54.255654][ T0] [ 54.265863][ T0] [ 54.265863][ T0] rcu_scheduler_active = 2, debug_locks = 1 [ 54.273904][ T0] RCU used illegally from extended quiescent state! [ 54.280466][ T0] 1 lock held by swapper/0/0: [ 54.285123][ T0] #0: ffffffff8bd87780 (rcu_read_lock){....}-{1:2}, at: kmsg_dump+0x0/0x260 [ 54.293906][ T0] [ 54.293906][ T0] stack backtrace: [ 54.299773][ T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.19.0-rc3-next-20220620-syzkaller #0 [ 54.308979][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.319019][ T0] Call Trace: [ 54.322285][ T0] [ 54.325206][ T0] dump_stack_lvl+0xcd/0x134 [ 54.329800][ T0] kmsg_dump+0x1c8/0x260 [ 54.334035][ T0] panic+0x36e/0x64a [ 54.337921][ T0] ? panic_print_sys_info.part.0+0x10b/0x10b [ 54.343900][ T0] ? __warn.cold+0x1d9/0x2cd [ 54.348482][ T0] ? ct_idle_exit+0x34/0x40 [ 54.352976][ T0] __warn.cold+0x1ea/0x2cd [ 54.357382][ T0] ? ct_idle_exit+0x34/0x40 [ 54.361876][ T0] report_bug+0x1bc/0x210 [ 54.366210][ T0] handle_bug+0x3c/0x60 [ 54.370356][ T0] exc_invalid_op+0x14/0x40 [ 54.374876][ T0] asm_exc_invalid_op+0x1b/0x20 [ 54.379724][ T0] RIP: 0010:ct_idle_exit+0x34/0x40 [ 54.384827][ 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 [ 54.404418][ T0] RSP: 0018:ffffffff8ba07d90 EFLAGS: 00010206 [ 54.410470][ T0] RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000000000 [ 54.418426][ T0] RDX: ffffffff8babc980 RSI: 0000000000000200 RDI: 0000000000000000 [ 54.426384][ T0] RBP: ffffffff8c7bfca0 R08: 0000000000000005 R09: 0000000000000000 [ 54.434351][ T0] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 54.442310][ T0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 54.450289][ T0] cpuidle_enter_state+0x6f7/0xc80 [ 54.455401][ T0] cpuidle_enter+0x4a/0xa0 [ 54.459808][ T0] do_idle+0x3e8/0x590 [ 54.463880][ T0] ? arch_cpu_idle_exit+0x30/0x30 [ 54.468900][ T0] cpu_startup_entry+0x14/0x20 [ 54.473653][ T0] rest_init+0x169/0x270 [ 54.477888][ T0] ? trace_init_perf_perm_irq_work_exit+0xe/0xe [ 54.484125][ T0] arch_call_rest_init+0xf/0x14 [ 54.488963][ T0] start_kernel+0x473/0x494 [ 54.493454][ T0] secondary_startup_64_no_verify+0xce/0xdb [ 54.499348][ T0] [ 54.502350][ T0] [ 54.504669][ T0] ============================= [ 54.509514][ T0] WARNING: suspicious RCU usage [ 54.514340][ T0] 5.19.0-rc3-next-20220620-syzkaller #0 Not tainted [ 54.520905][ T0] ----------------------------- [ 54.525729][ T0] include/linux/rcupdate.h:735 rcu_read_unlock() used illegally while idle! [ 54.534379][ T0] [ 54.534379][ T0] other info that might help us debug this: [ 54.534379][ T0] [ 54.544587][ T0] [ 54.544587][ T0] rcu_scheduler_active = 2, debug_locks = 1 [ 54.552628][ T0] RCU used illegally from extended quiescent state! [ 54.559189][ T0] 1 lock held by swapper/0/0: [ 54.563844][ T0] #0: ffffffff8bd87780 (rcu_read_lock){....}-{1:2}, at: kmsg_dump+0x0/0x260 [ 54.572619][ T0] [ 54.572619][ T0] stack backtrace: [ 54.578486][ T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.19.0-rc3-next-20220620-syzkaller #0 [ 54.587663][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.597705][ T0] Call Trace: [ 54.600970][ T0] [ 54.603888][ T0] dump_stack_lvl+0xcd/0x134 [ 54.608472][ T0] kmsg_dump+0x22b/0x260 [ 54.612706][ T0] panic+0x36e/0x64a [ 54.616594][ T0] ? panic_print_sys_info.part.0+0x10b/0x10b [ 54.622570][ T0] ? __warn.cold+0x1d9/0x2cd [ 54.627170][ T0] ? ct_idle_exit+0x34/0x40 [ 54.631700][ T0] __warn.cold+0x1ea/0x2cd [ 54.636144][ T0] ? ct_idle_exit+0x34/0x40 [ 54.640650][ T0] report_bug+0x1bc/0x210 [ 54.644983][ T0] handle_bug+0x3c/0x60 [ 54.649130][ T0] exc_invalid_op+0x14/0x40 [ 54.653625][ T0] asm_exc_invalid_op+0x1b/0x20 [ 54.658472][ T0] RIP: 0010:ct_idle_exit+0x34/0x40 [ 54.663575][ 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 [ 54.683171][ T0] RSP: 0018:ffffffff8ba07d90 EFLAGS: 00010206 [ 54.689235][ T0] RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000000000 [ 54.697196][ T0] RDX: ffffffff8babc980 RSI: 0000000000000200 RDI: 0000000000000000 [ 54.705156][ T0] RBP: ffffffff8c7bfca0 R08: 0000000000000005 R09: 0000000000000000 [ 54.713128][ T0] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 54.721085][ T0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 54.729063][ T0] cpuidle_enter_state+0x6f7/0xc80 [ 54.734178][ T0] cpuidle_enter+0x4a/0xa0 [ 54.738605][ T0] do_idle+0x3e8/0x590 [ 54.742668][ T0] ? arch_cpu_idle_exit+0x30/0x30 [ 54.747704][ T0] cpu_startup_entry+0x14/0x20 [ 54.752481][ T0] rest_init+0x169/0x270 [ 54.756805][ T0] ? trace_init_perf_perm_irq_work_exit+0xe/0xe [ 54.763063][ T0] arch_call_rest_init+0xf/0x14 [ 54.767912][ T0] start_kernel+0x473/0x494 [ 54.772405][ T0] secondary_startup_64_no_verify+0xce/0xdb [ 54.778316][ T0] [ 54.781341][ T0] Rebooting in 86400 seconds..