DUID 00:04:06:88:74:a7:04:75:62:cb:55:93:34:09:94:90:e1:fe forked to background, child pid 3184 [ 26.682677][ T3185] 8021q: adding VLAN 0 to HW filter on device bond0 [ 26.685124][ T3185] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.116' (ECDSA) to the list of known hosts. 2022/06/21 06:58:34 fuzzer started 2022/06/21 06:58:34 dialing manager at 10.128.0.169:35935 syzkaller login: [ 42.565025][ T3603] cgroup: Unknown subsys name 'net' [ 42.650872][ T3603] cgroup: Unknown subsys name 'rlimit' 2022/06/21 06:58:35 syscalls: 3682 2022/06/21 06:58:35 code coverage: enabled 2022/06/21 06:58:35 comparison tracing: enabled 2022/06/21 06:58:35 extra coverage: enabled 2022/06/21 06:58:35 delay kcov mmap: enabled 2022/06/21 06:58:35 setuid sandbox: enabled 2022/06/21 06:58:35 namespace sandbox: enabled 2022/06/21 06:58:35 Android sandbox: /sys/fs/selinux/policy does not exist 2022/06/21 06:58:35 fault injection: enabled 2022/06/21 06:58:35 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2022/06/21 06:58:35 net packet injection: enabled 2022/06/21 06:58:35 net device setup: enabled 2022/06/21 06:58:35 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2022/06/21 06:58:35 devlink PCI setup: PCI device 0000:00:10.0 is not available 2022/06/21 06:58:35 USB emulation: enabled 2022/06/21 06:58:35 hci packet injection: enabled 2022/06/21 06:58:35 wifi device emulation: enabled 2022/06/21 06:58:35 802.15.4 emulation: enabled 2022/06/21 06:58:35 fetching corpus: 0, signal 0/2000 (executing program) 2022/06/21 06:58:35 fetching corpus: 50, signal 39220/42909 (executing program) 2022/06/21 06:58:35 fetching corpus: 100, signal 58362/63633 (executing program) 2022/06/21 06:58:35 fetching corpus: 150, signal 72804/79556 (executing program) 2022/06/21 06:58:35 fetching corpus: 200, signal 88463/96549 (executing program) 2022/06/21 06:58:35 fetching corpus: 250, signal 97323/106780 (executing program) 2022/06/21 06:58:36 fetching corpus: 300, signal 106237/116964 (executing program) 2022/06/21 06:58:36 fetching corpus: 350, signal 113697/125702 (executing program) [ 43.910345][ T0] ------------[ cut here ]------------ [ 43.910356][ T0] WARNING: CPU: 0 PID: 0 at kernel/context_tracking.c:335 ct_idle_exit+0x34/0x40 [ 43.910414][ T0] [ 43.910417][ T0] ============================= [ 43.910422][ T0] WARNING: suspicious RCU usage [ 43.910427][ T0] 5.19.0-rc3-next-20220620-syzkaller #0 Not tainted [ 43.910437][ T0] ----------------------------- [ 43.910441][ T0] include/trace/events/lock.h:24 suspicious rcu_dereference_check() usage! [ 43.910454][ T0] 2022/06/21 06:58:36 fetching corpus: 400, signal 121876/135021 (executing program) [ 43.910454][ T0] other info that might help us debug this: [ 43.910454][ T0] [ 43.910459][ T0] [ 43.910459][ T0] rcu_scheduler_active = 2, debug_locks = 1 [ 43.910471][ T0] RCU used illegally from extended quiescent state! [ 43.910477][ T0] no locks held by swapper/0/0. [ 43.910484][ T0] [ 43.910484][ T0] stack backtrace: [ 43.910489][ T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.19.0-rc3-next-20220620-syzkaller #0 [ 43.910510][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.910521][ T0] Call Trace: [ 43.910527][ T0] [ 43.910535][ T0] dump_stack_lvl+0xcd/0x134 [ 43.910571][ T0] lock_acquire.cold+0x1f/0x40 [ 43.910598][ T0] ? lock_release+0x780/0x780 [ 43.910632][ T0] ? __lock_acquire+0x163e/0x5660 [ 43.910654][ T0] ? vprintk_emit+0x127/0x680 [ 43.910677][ T0] _raw_spin_lock_irqsave+0x39/0x50 [ 43.910708][ T0] ? down_trylock+0xe/0x60 [ 43.910737][ T0] down_trylock+0xe/0x60 [ 43.910768][ T0] __down_trylock_console_sem+0xfb/0x120 [ 43.910793][ T0] console_trylock+0x13/0xd0 [ 43.910813][ T0] vprintk_emit+0x127/0x680 [ 43.910836][ T0] ? ct_idle_exit+0x34/0x40 [ 43.910856][ T0] vprintk+0x80/0x90 [ 43.910869][ T0] _printk+0xba/0xed [ 43.910884][ T0] ? record_print_text.cold+0x16/0x16 [ 43.910898][ T0] ? vprintk+0x88/0x90 [ 43.910911][ T0] ? _printk+0xba/0xed [ 43.910924][ T0] ? record_print_text.cold+0x16/0x16 [ 43.910940][ T0] ? lock_downgrade+0x6e0/0x6e0 2022/06/21 06:58:36 fetching corpus: 450, signal 125664/140123 (executing program) [ 43.910953][ T0] ? ct_idle_exit+0x34/0x40 [ 43.910969][ T0] __warn+0x91/0x190 [ 43.910986][ T0] ? ct_idle_exit+0x34/0x40 [ 43.911002][ T0] report_bug+0x1bc/0x210 [ 43.911023][ T0] handle_bug+0x3c/0x60 [ 43.911036][ T0] exc_invalid_op+0x14/0x40 [ 43.911049][ T0] asm_exc_invalid_op+0x1b/0x20 [ 43.911073][ T0] RIP: 0010:ct_idle_exit+0x34/0x40 [ 43.911090][ 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 [ 43.911101][ T0] RSP: 0018:ffffffff8ba07d90 EFLAGS: 00010206 [ 43.911112][ T0] RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000000000 [ 43.911120][ T0] RDX: ffffffff8babc980 RSI: 0000000000000200 RDI: 0000000000000000 [ 43.911128][ T0] RBP: ffffffff8c7bfca0 R08: 0000000000000005 R09: 0000000000000000 [ 43.911136][ T0] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 43.911143][ T0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 43.911161][ T0] cpuidle_enter_state+0x6f7/0xc80 [ 43.911184][ T0] cpuidle_enter+0x4a/0xa0 [ 43.911201][ T0] do_idle+0x3e8/0x590 [ 43.911217][ T0] ? arch_cpu_idle_exit+0x30/0x30 [ 43.911238][ T0] cpu_startup_entry+0x14/0x20 [ 43.911252][ T0] rest_init+0x169/0x270 [ 43.911268][ T0] ? trace_init_perf_perm_irq_work_exit+0xe/0xe [ 43.911288][ T0] arch_call_rest_init+0xf/0x14 [ 43.911301][ T0] start_kernel+0x473/0x494 [ 43.911316][ T0] secondary_startup_64_no_verify+0xce/0xdb [ 43.911343][ T0] 2022/06/21 06:58:36 fetching corpus: 500, signal 130209/145880 (executing program) [ 43.911348][ T0] [ 43.911350][ T0] ============================= [ 43.911353][ T0] WARNING: suspicious RCU usage [ 43.911355][ T0] 5.19.0-rc3-next-20220620-syzkaller #0 Not tainted [ 43.911361][ T0] ----------------------------- [ 43.911364][ T0] include/trace/events/lock.h:69 suspicious rcu_dereference_check() usage! [ 43.911372][ T0] [ 43.911372][ T0] other info that might help us debug this: [ 43.911372][ T0] [ 43.911375][ T0] [ 43.911375][ T0] rcu_scheduler_active = 2, debug_locks = 1 [ 43.911382][ T0] RCU used illegally from extended quiescent state! [ 43.911385][ T0] 1 lock held by swapper/0/0: [ 43.911391][ T0] #0: ffffffff8bd75ed8 ((console_sem).lock){....}-{2:2}, at: down_trylock+0xe/0x60 [ 43.911424][ T0] [ 43.911424][ T0] stack backtrace: [ 43.911426][ T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.19.0-rc3-next-20220620-syzkaller #0 [ 43.911439][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.911445][ T0] Call Trace: [ 43.911448][ T0] [ 43.911452][ T0] dump_stack_lvl+0xcd/0x134 [ 43.911471][ T0] lock_release.cold+0x1f/0x4e [ 43.911484][ T0] ? down_trylock+0x45/0x60 [ 43.911500][ T0] ? lock_downgrade+0x6e0/0x6e0 [ 43.911513][ T0] ? rwlock_bug.part.0+0x90/0x90 [ 43.911529][ T0] ? __lock_acquire+0x163e/0x5660 [ 43.911542][ T0] ? vprintk_emit+0x127/0x680 [ 43.911555][ T0] _raw_spin_unlock_irqrestore+0x16/0x70 [ 43.911574][ T0] down_trylock+0x45/0x60 [ 43.911590][ T0] __down_trylock_console_sem+0xfb/0x120 [ 43.911604][ T0] console_trylock+0x13/0xd0 [ 43.911616][ T0] vprintk_emit+0x127/0x680 [ 43.911630][ T0] ? ct_idle_exit+0x34/0x40 [ 43.911646][ T0] vprintk+0x80/0x90 [ 43.911659][ T0] _printk+0xba/0xed [ 43.911672][ T0] ? record_print_text.cold+0x16/0x16 [ 43.911686][ T0] ? vprintk+0x88/0x90 [ 43.911699][ T0] ? _printk+0xba/0xed [ 43.911712][ T0] ? record_print_text.cold+0x16/0x16 [ 43.911728][ T0] ? lock_downgrade+0x6e0/0x6e0 [ 43.911741][ T0] ? ct_idle_exit+0x34/0x40 [ 43.911758][ T0] __warn+0x91/0x190 [ 43.911773][ T0] ? ct_idle_exit+0x34/0x40 [ 43.911790][ T0] report_bug+0x1bc/0x210 [ 43.911810][ T0] handle_bug+0x3c/0x60 [ 43.911822][ T0] exc_invalid_op+0x14/0x40 [ 43.911835][ T0] asm_exc_invalid_op+0x1b/0x20 [ 43.911853][ T0] RIP: 0010:ct_idle_exit+0x34/0x40 [ 43.911877][ 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 [ 43.911895][ T0] RSP: 0018:ffffffff8ba07d90 EFLAGS: 00010206 [ 43.911923][ T0] RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000000000 [ 43.911931][ T0] RDX: ffffffff8babc980 RSI: 0000000000000200 RDI: 0000000000000000 [ 43.911938][ T0] RBP: ffffffff8c7bfca0 R08: 0000000000000005 R09: 0000000000000000 [ 43.911946][ T0] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 43.911953][ T0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 43.911972][ T0] cpuidle_enter_state+0x6f7/0xc80 [ 43.911994][ T0] cpuidle_enter+0x4a/0xa0 [ 43.912011][ T0] do_idle+0x3e8/0x590 [ 43.912027][ T0] ? arch_cpu_idle_exit+0x30/0x30 [ 43.912048][ T0] cpu_startup_entry+0x14/0x20 [ 43.912067][ T0] rest_init+0x169/0x270 [ 43.912083][ T0] ? trace_init_perf_perm_irq_work_exit+0xe/0xe [ 43.912101][ T0] arch_call_rest_init+0xf/0x14 [ 43.912114][ T0] start_kernel+0x473/0x494 [ 43.912129][ T0] secondary_startup_64_no_verify+0xce/0xdb [ 43.912156][ T0] [ 44.612962][ T0] Modules linked in: [ 44.616867][ T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.19.0-rc3-next-20220620-syzkaller #0 [ 44.626121][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.636237][ T0] RIP: 0010:ct_idle_exit+0x34/0x40 [ 44.641437][ 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 [ 44.661098][ T0] RSP: 0018:ffffffff8ba07d90 EFLAGS: 00010206 [ 44.667247][ T0] RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000000000 [ 44.675305][ T0] RDX: ffffffff8babc980 RSI: 0000000000000200 RDI: 0000000000000000 [ 44.683380][ T0] RBP: ffffffff8c7bfca0 R08: 0000000000000005 R09: 0000000000000000 [ 44.691456][ T0] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 44.699454][ T0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 44.707553][ T0] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 44.716523][ T0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.723187][ T0] CR2: 00007f0c2d61a9c0 CR3: 000000001bc9a000 CR4: 00000000003506f0 [ 44.731213][ T0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.739233][ T0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.747309][ T0] Call Trace: [ 44.750661][ T0] [ 44.753608][ T0] cpuidle_enter_state+0x6f7/0xc80 [ 44.758753][ T0] cpuidle_enter+0x4a/0xa0 [ 44.763276][ T0] do_idle+0x3e8/0x590 [ 44.767374][ T0] ? arch_cpu_idle_exit+0x30/0x30 [ 44.772517][ T0] cpu_startup_entry+0x14/0x20 [ 44.777305][ T0] rest_init+0x169/0x270 [ 44.781638][ T0] ? trace_init_perf_perm_irq_work_exit+0xe/0xe [ 44.787918][ T0] arch_call_rest_init+0xf/0x14 [ 44.792861][ T0] start_kernel+0x473/0x494 [ 44.797397][ T0] secondary_startup_64_no_verify+0xce/0xdb [ 44.803410][ T0] [ 44.806457][ T0] Kernel panic - not syncing: panic_on_warn set ... [ 44.813050][ T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.19.0-rc3-next-20220620-syzkaller #0 [ 44.822345][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.832415][ T0] Call Trace: [ 44.835716][ T0] [ 44.838662][ T0] dump_stack_lvl+0xcd/0x134 [ 44.843289][ T0] panic+0x2d7/0x64a [ 44.847215][ T0] ? panic_print_sys_info.part.0+0x10b/0x10b [ 44.853239][ T0] ? __warn.cold+0x1d9/0x2cd [ 44.857864][ T0] ? ct_idle_exit+0x34/0x40 [ 44.862399][ T0] __warn.cold+0x1ea/0x2cd [ 44.866852][ T0] ? ct_idle_exit+0x34/0x40 [ 44.871382][ T0] report_bug+0x1bc/0x210 [ 44.875747][ T0] handle_bug+0x3c/0x60 [ 44.879920][ T0] exc_invalid_op+0x14/0x40 [ 44.884449][ T0] asm_exc_invalid_op+0x1b/0x20 [ 44.889330][ T0] RIP: 0010:ct_idle_exit+0x34/0x40 [ 44.894483][ 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 [ 44.914108][ T0] RSP: 0018:ffffffff8ba07d90 EFLAGS: 00010206 [ 44.920197][ T0] RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000000000 [ 44.928185][ T0] RDX: ffffffff8babc980 RSI: 0000000000000200 RDI: 0000000000000000 [ 44.936177][ T0] RBP: ffffffff8c7bfca0 R08: 0000000000000005 R09: 0000000000000000 [ 44.944165][ T0] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 44.952144][ T0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 44.960137][ T0] cpuidle_enter_state+0x6f7/0xc80 [ 44.965295][ T0] cpuidle_enter+0x4a/0xa0 [ 44.969746][ T0] do_idle+0x3e8/0x590 [ 44.973851][ T0] ? arch_cpu_idle_exit+0x30/0x30 [ 44.978912][ T0] cpu_startup_entry+0x14/0x20 [ 44.983700][ T0] rest_init+0x169/0x270 [ 44.987970][ T0] ? trace_init_perf_perm_irq_work_exit+0xe/0xe [ 44.994243][ T0] arch_call_rest_init+0xf/0x14 [ 44.999116][ T0] start_kernel+0x473/0x494 [ 45.003644][ T0] secondary_startup_64_no_verify+0xce/0xdb [ 45.009574][ T0] [ 45.012933][ T0] [ 45.015289][ T0] ============================= [ 45.020116][ T0] WARNING: suspicious RCU usage [ 45.024944][ T0] 5.19.0-rc3-next-20220620-syzkaller #0 Not tainted [ 45.032566][ T0] ----------------------------- [ 45.037414][ T0] include/linux/rcupdate.h:707 rcu_read_lock() used illegally while idle! [ 45.045906][ T0] [ 45.045906][ T0] other info that might help us debug this: [ 45.045906][ T0] [ 45.056121][ T0] [ 45.056121][ T0] rcu_scheduler_active = 2, debug_locks = 1 [ 45.064182][ T0] RCU used illegally from extended quiescent state! [ 45.070762][ T0] 1 lock held by swapper/0/0: [ 45.075426][ T0] #0: ffffffff8bd87780 (rcu_read_lock){....}-{1:2}, at: atomic_notifier_call_chain+0x0/0x180 [ 45.085698][ T0] [ 45.085698][ T0] stack backtrace: [ 45.091596][ T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.19.0-rc3-next-20220620-syzkaller #0 [ 45.100782][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.110847][ T0] Call Trace: [ 45.114123][ T0] [ 45.117061][ T0] dump_stack_lvl+0xcd/0x134 [ 45.121687][ T0] atomic_notifier_call_chain+0x112/0x180 [ 45.127413][ T0] panic+0x35f/0x64a [ 45.131328][ T0] ? panic_print_sys_info.part.0+0x10b/0x10b [ 45.137325][ T0] ? __warn.cold+0x1d9/0x2cd [ 45.141934][ T0] ? ct_idle_exit+0x34/0x40 [ 45.146443][ T0] __warn.cold+0x1ea/0x2cd [ 45.150878][ T0] ? ct_idle_exit+0x34/0x40 [ 45.155451][ T0] report_bug+0x1bc/0x210 [ 45.159838][ T0] handle_bug+0x3c/0x60 [ 45.164010][ T0] exc_invalid_op+0x14/0x40 [ 45.168516][ T0] asm_exc_invalid_op+0x1b/0x20 [ 45.173369][ T0] RIP: 0010:ct_idle_exit+0x34/0x40 [ 45.178494][ 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 [ 45.198097][ T0] RSP: 0018:ffffffff8ba07d90 EFLAGS: 00010206 [ 45.204169][ T0] RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000000000 [ 45.212143][ T0] RDX: ffffffff8babc980 RSI: 0000000000000200 RDI: 0000000000000000 [ 45.220098][ T0] RBP: ffffffff8c7bfca0 R08: 0000000000000005 R09: 0000000000000000 [ 45.228054][ T0] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 45.236023][ T0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 45.243993][ T0] cpuidle_enter_state+0x6f7/0xc80 [ 45.249114][ T0] cpuidle_enter+0x4a/0xa0 [ 45.253531][ T0] do_idle+0x3e8/0x590 [ 45.257593][ T0] ? arch_cpu_idle_exit+0x30/0x30 [ 45.262611][ T0] cpu_startup_entry+0x14/0x20 [ 45.267377][ T0] rest_init+0x169/0x270 [ 45.271613][ T0] ? trace_init_perf_perm_irq_work_exit+0xe/0xe [ 45.277848][ T0] arch_call_rest_init+0xf/0x14 [ 45.282687][ T0] start_kernel+0x473/0x494 [ 45.287191][ T0] secondary_startup_64_no_verify+0xce/0xdb [ 45.293087][ T0] [ 45.296095][ T0] Kernel Offset: disabled [ 45.300403][ T0] [ 45.302713][ T0] ============================= [ 45.307541][ T0] WARNING: suspicious RCU usage [ 45.312371][ T0] 5.19.0-rc3-next-20220620-syzkaller #0 Not tainted [ 45.318939][ T0] ----------------------------- [ 45.323763][ T0] include/linux/rcupdate.h:735 rcu_read_unlock() used illegally while idle! [ 45.332415][ T0] [ 45.332415][ T0] other info that might help us debug this: [ 45.332415][ T0] [ 45.342669][ T0] [ 45.342669][ T0] rcu_scheduler_active = 2, debug_locks = 1 [ 45.350710][ T0] RCU used illegally from extended quiescent state! [ 45.357271][ T0] 1 lock held by swapper/0/0: [ 45.361926][ T0] #0: ffffffff8bd87780 (rcu_read_lock){....}-{1:2}, at: atomic_notifier_call_chain+0x0/0x180 [ 45.372182][ T0] [ 45.372182][ T0] stack backtrace: [ 45.378048][ T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.19.0-rc3-next-20220620-syzkaller #0 [ 45.387238][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.397276][ T0] Call Trace: [ 45.400540][ T0] [ 45.403470][ T0] dump_stack_lvl+0xcd/0x134 [ 45.408058][ T0] atomic_notifier_call_chain+0x175/0x180 [ 45.413772][ T0] panic+0x35f/0x64a [ 45.417662][ T0] ? panic_print_sys_info.part.0+0x10b/0x10b [ 45.423638][ T0] ? __warn.cold+0x1d9/0x2cd [ 45.428222][ T0] ? ct_idle_exit+0x34/0x40 [ 45.432716][ T0] __warn.cold+0x1ea/0x2cd [ 45.437125][ T0] ? ct_idle_exit+0x34/0x40 [ 45.441619][ T0] report_bug+0x1bc/0x210 [ 45.445943][ T0] handle_bug+0x3c/0x60 [ 45.450085][ T0] exc_invalid_op+0x14/0x40 [ 45.454585][ T0] asm_exc_invalid_op+0x1b/0x20 [ 45.459427][ T0] RIP: 0010:ct_idle_exit+0x34/0x40 [ 45.464527][ 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 [ 45.484121][ T0] RSP: 0018:ffffffff8ba07d90 EFLAGS: 00010206 [ 45.490177][ T0] RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000000000 [ 45.498131][ T0] RDX: ffffffff8babc980 RSI: 0000000000000200 RDI: 0000000000000000 [ 45.506085][ T0] RBP: ffffffff8c7bfca0 R08: 0000000000000005 R09: 0000000000000000 [ 45.514044][ T0] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 45.522009][ T0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 45.529977][ T0] cpuidle_enter_state+0x6f7/0xc80 [ 45.535087][ T0] cpuidle_enter+0x4a/0xa0 [ 45.539498][ T0] do_idle+0x3e8/0x590 [ 45.543558][ T0] ? arch_cpu_idle_exit+0x30/0x30 [ 45.548578][ T0] cpu_startup_entry+0x14/0x20 [ 45.553327][ T0] rest_init+0x169/0x270 [ 45.557568][ T0] ? trace_init_perf_perm_irq_work_exit+0xe/0xe [ 45.563812][ T0] arch_call_rest_init+0xf/0x14 [ 45.568660][ T0] start_kernel+0x473/0x494 [ 45.573154][ T0] secondary_startup_64_no_verify+0xce/0xdb [ 45.579047][ T0] [ 45.582051][ T0] [ 45.584360][ T0] ============================= [ 45.589187][ T0] WARNING: suspicious RCU usage [ 45.594013][ T0] 5.19.0-rc3-next-20220620-syzkaller #0 Not tainted [ 45.600586][ T0] ----------------------------- [ 45.605478][ T0] include/linux/rcupdate.h:707 rcu_read_lock() used illegally while idle! [ 45.613976][ T0] [ 45.613976][ T0] other info that might help us debug this: [ 45.613976][ T0] [ 45.624203][ T0] [ 45.624203][ T0] rcu_scheduler_active = 2, debug_locks = 1 [ 45.632250][ T0] RCU used illegally from extended quiescent state! [ 45.638812][ T0] 1 lock held by swapper/0/0: [ 45.643493][ T0] #0: ffffffff8bd87780 (rcu_read_lock){....}-{1:2}, at: kmsg_dump+0x0/0x260 [ 45.652277][ T0] [ 45.652277][ T0] stack backtrace: [ 45.658165][ T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.19.0-rc3-next-20220620-syzkaller #0 [ 45.667349][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.677423][ T0] Call Trace: [ 45.680693][ T0] [ 45.683615][ T0] dump_stack_lvl+0xcd/0x134 [ 45.688203][ T0] kmsg_dump+0x1c8/0x260 [ 45.692438][ T0] panic+0x36e/0x64a [ 45.696328][ T0] ? panic_print_sys_info.part.0+0x10b/0x10b [ 45.702322][ T0] ? __warn.cold+0x1d9/0x2cd [ 45.706908][ T0] ? ct_idle_exit+0x34/0x40 [ 45.711405][ T0] __warn.cold+0x1ea/0x2cd [ 45.715818][ T0] ? ct_idle_exit+0x34/0x40 [ 45.720317][ T0] report_bug+0x1bc/0x210 [ 45.724642][ T0] handle_bug+0x3c/0x60 [ 45.728785][ T0] exc_invalid_op+0x14/0x40 [ 45.733278][ T0] asm_exc_invalid_op+0x1b/0x20 [ 45.738178][ T0] RIP: 0010:ct_idle_exit+0x34/0x40 [ 45.743279][ 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 [ 45.762872][ T0] RSP: 0018:ffffffff8ba07d90 EFLAGS: 00010206 [ 45.768934][ T0] RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000000000 [ 45.776893][ T0] RDX: ffffffff8babc980 RSI: 0000000000000200 RDI: 0000000000000000 [ 45.784849][ T0] RBP: ffffffff8c7bfca0 R08: 0000000000000005 R09: 0000000000000000 [ 45.792817][ T0] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 45.800772][ T0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 45.808739][ T0] cpuidle_enter_state+0x6f7/0xc80 [ 45.813849][ T0] cpuidle_enter+0x4a/0xa0 [ 45.818259][ T0] do_idle+0x3e8/0x590 [ 45.822322][ T0] ? arch_cpu_idle_exit+0x30/0x30 [ 45.827341][ T0] cpu_startup_entry+0x14/0x20 [ 45.832092][ T0] rest_init+0x169/0x270 [ 45.836327][ T0] ? trace_init_perf_perm_irq_work_exit+0xe/0xe [ 45.842570][ T0] arch_call_rest_init+0xf/0x14 [ 45.847411][ T0] start_kernel+0x473/0x494 [ 45.851906][ T0] secondary_startup_64_no_verify+0xce/0xdb [ 45.857809][ T0] [ 45.860813][ T0] [ 45.863121][ T0] ============================= [ 45.867945][ T0] WARNING: suspicious RCU usage [ 45.872770][ T0] 5.19.0-rc3-next-20220620-syzkaller #0 Not tainted [ 45.879346][ T0] ----------------------------- [ 45.884170][ T0] include/linux/rcupdate.h:735 rcu_read_unlock() used illegally while idle! [ 45.892818][ T0] [ 45.892818][ T0] other info that might help us debug this: [ 45.892818][ T0] [ 45.903026][ T0] [ 45.903026][ T0] rcu_scheduler_active = 2, debug_locks = 1 [ 45.911079][ T0] RCU used illegally from extended quiescent state! [ 45.917641][ T0] 1 lock held by swapper/0/0: [ 45.922295][ T0] #0: ffffffff8bd87780 (rcu_read_lock){....}-{1:2}, at: kmsg_dump+0x0/0x260 [ 45.931083][ T0] [ 45.931083][ T0] stack backtrace: [ 45.936963][ T0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.19.0-rc3-next-20220620-syzkaller #0 [ 45.946137][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.956176][ T0] Call Trace: [ 45.959442][ T0] [ 45.962361][ T0] dump_stack_lvl+0xcd/0x134 [ 45.966959][ T0] kmsg_dump+0x22b/0x260 [ 45.971187][ T0] panic+0x36e/0x64a [ 45.975082][ T0] ? panic_print_sys_info.part.0+0x10b/0x10b [ 45.981058][ T0] ? __warn.cold+0x1d9/0x2cd [ 45.985641][ T0] ? ct_idle_exit+0x34/0x40 [ 45.990134][ T0] __warn.cold+0x1ea/0x2cd [ 45.994541][ T0] ? ct_idle_exit+0x34/0x40 [ 45.999034][ T0] report_bug+0x1bc/0x210 [ 46.003358][ T0] handle_bug+0x3c/0x60 [ 46.007503][ T0] exc_invalid_op+0x14/0x40 [ 46.012001][ T0] asm_exc_invalid_op+0x1b/0x20 [ 46.016844][ T0] RIP: 0010:ct_idle_exit+0x34/0x40 [ 46.021955][ 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 [ 46.041544][ T0] RSP: 0018:ffffffff8ba07d90 EFLAGS: 00010206 [ 46.047594][ T0] RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000000000 [ 46.055560][ T0] RDX: ffffffff8babc980 RSI: 0000000000000200 RDI: 0000000000000000 [ 46.063603][ T0] RBP: ffffffff8c7bfca0 R08: 0000000000000005 R09: 0000000000000000 [ 46.071557][ T0] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000 [ 46.079511][ T0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 46.087482][ T0] cpuidle_enter_state+0x6f7/0xc80 [ 46.092598][ T0] cpuidle_enter+0x4a/0xa0 [ 46.097012][ T0] do_idle+0x3e8/0x590 [ 46.101073][ T0] ? arch_cpu_idle_exit+0x30/0x30 [ 46.106091][ T0] cpu_startup_entry+0x14/0x20 [ 46.110847][ T0] rest_init+0x169/0x270 [ 46.115080][ T0] ? trace_init_perf_perm_irq_work_exit+0xe/0xe [ 46.121326][ T0] arch_call_rest_init+0xf/0x14 [ 46.126165][ T0] start_kernel+0x473/0x494 [ 46.130742][ T0] secondary_startup_64_no_verify+0xce/0xdb [ 46.136637][ T0] [ 46.139646][ T0] Rebooting in 86400 seconds..