[ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.55' (ECDSA) to the list of known hosts. syzkaller login: [ 56.808807][ T6873] IPVS: ftp: loaded support on port[0] = 21 [ 56.808813][ T6878] IPVS: ftp: loaded support on port[0] = 21 [ 56.818991][ T6877] IPVS: ftp: loaded support on port[0] = 21 [ 56.827619][ T6875] IPVS: ftp: loaded support on port[0] = 21 [ 56.831940][ T6879] IPVS: ftp: loaded support on port[0] = 21 [ 56.836178][ T6880] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 75.484406][T14988] ------------[ cut here ]------------ [ 75.489920][T14988] ODEBUG: free active (active state 1) object type: rcu_head hint: 0x0 [ 75.498470][T14988] WARNING: CPU: 1 PID: 14988 at lib/debugobjects.c:485 debug_print_object+0x160/0x250 [ 75.508015][T14988] Kernel panic - not syncing: panic_on_warn set ... [ 75.514616][T14988] CPU: 1 PID: 14988 Comm: syz-executor980 Not tainted 5.9.0-rc1-syzkaller #0 [ 75.523365][T14988] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 executing program [ 75.533413][T14988] Call Trace: [ 75.536710][T14988] dump_stack+0x18f/0x20d [ 75.541046][T14988] panic+0x2e3/0x75c [ 75.544944][T14988] ? __warn_printk+0xf3/0xf3 [ 75.549540][T14988] ? console_unlock+0x7f0/0xf30 [ 75.554393][T14988] ? __warn.cold+0x5/0x4a [ 75.558653][T14990] ------------[ cut here ]------------ [ 75.558728][T14988] ? __warn+0xd6/0x1f2 [ 75.564174][T14990] ODEBUG: free active (active state 1) object type: rcu_head hint: 0x0 [ 75.568218][T14988] ? debug_print_object+0x160/0x250 [ 75.576723][T14990] WARNING: CPU: 0 PID: 14990 at lib/debugobjects.c:485 debug_print_object+0x160/0x250 [ 75.581615][T14988] __warn.cold+0x20/0x4a [ 75.591976][T14990] Modules linked in: [ 75.597246][T14988] ? debug_print_object+0x160/0x250 [ 75.601112][T14990] CPU: 0 PID: 14990 Comm: syz-executor980 Not tainted 5.9.0-rc1-syzkaller #0 [ 75.606280][T14988] report_bug+0x1bd/0x210 [ 75.615001][T14990] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.619304][T14988] handle_bug+0x38/0x90 [ 75.629340][T14990] RIP: 0010:debug_print_object+0x160/0x250 [ 75.633467][T14988] ? __warn_printk+0xc6/0xf3 [ 75.639242][T14990] Code: dd a0 4f 94 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd a0 4f 94 88 48 c7 c7 00 45 94 88 e8 72 b6 a5 fd <0f> 0b 83 05 03 2b 13 07 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 75.643799][T14988] exc_invalid_op+0x14/0x40 [ 75.663375][T14990] RSP: 0018:ffffc9000e497dd0 EFLAGS: 00010082 [ 75.667867][T14988] asm_exc_invalid_op+0x12/0x20 [ 75.673895][T14990] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 75.678717][T14988] RIP: 0010:debug_print_object+0x160/0x250 [ 75.686649][T14990] RDX: ffff88809cdee040 RSI: ffffffff815db3b7 RDI: fffff52001c92fac [ 75.686661][T14990] RBP: 0000000000000002 R08: 0000000000000001 R09: ffff8880ae620f8b [ 75.692444][T14988] Code: dd a0 4f 94 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd a0 4f 94 88 48 c7 c7 00 45 94 88 e8 72 b6 a5 fd <0f> 0b 83 05 03 2b 13 07 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 75.700386][T14990] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff89bd69c0 [ 75.708333][T14988] RSP: 0018:ffffc9000d937dd0 EFLAGS: 00010082 [ 75.728100][T14990] R13: 0000000000000000 R14: dead000000000100 R15: dffffc0000000000 [ 75.737866][T14988] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 75.743902][T14990] FS: 00007ff0cd067700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 75.751853][T14988] RDX: ffff888092d80240 RSI: ffffffff815db3b7 RDI: fffff52001b26fac [ 75.759791][T14990] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.759803][T14990] CR2: 00007ff0cd066e78 CR3: 00000000a7d19000 CR4: 00000000001506f0 [ 75.768703][T14988] RBP: 0000000000000001 R08: 0000000000000001 R09: ffff8880ae720f8b [ 75.768715][T14988] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff89bd69c0 [ 75.776660][T14990] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.783209][T14988] R13: 0000000000000000 R14: dead000000000100 R15: dffffc0000000000 [ 75.783229][T14988] ? vprintk_func+0x97/0x1a6 [ 75.791178][T14990] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.799138][T14988] debug_check_no_obj_freed+0x301/0x41c [ 75.807073][T14990] Call Trace: [ 75.815036][T14988] kmem_cache_free.part.0+0x16d/0x1f0 [ 75.822985][T14990] debug_check_no_obj_freed+0x301/0x41c [ 75.827542][T14988] task_work_run+0xdd/0x190 [ 75.835491][T14990] kmem_cache_free.part.0+0x16d/0x1f0 [ 75.841094][T14988] exit_to_user_mode_prepare+0x195/0x1c0 [ 75.844360][T14990] task_work_run+0xdd/0x190 [ 75.849702][T14988] syscall_exit_to_user_mode+0x59/0x2b0 [ 75.855217][T14990] exit_to_user_mode_prepare+0x195/0x1c0 [ 75.859697][T14988] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 75.865036][T14990] syscall_exit_to_user_mode+0x59/0x2b0 [ 75.870636][T14988] RIP: 0033:0x4473e9 [ 75.875121][T14990] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 75.880634][T14988] Code: e8 ac e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb 05 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 75.886231][T14990] RIP: 0033:0x4473e9 [ 75.892092][T14988] RSP: 002b:00007ff0cd066db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 [ 75.897609][T14990] Code: e8 ac e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb 05 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 75.901474][T14988] RAX: 0000000000000000 RBX: 00000000006dcc48 RCX: 00000000004473e9 [ 75.907327][T14990] RSP: 002b:00007ff0cd066db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 [ 75.927365][T14988] RDX: 0000000000000003 RSI: 0000000000000001 RDI: 0000000000000005 [ 75.931237][T14990] RAX: 0000000000000000 RBX: 00000000006dcc48 RCX: 00000000004473e9 [ 75.939699][T14988] RBP: 00000000006dcc40 R08: 0000000000000000 R09: 0000000000000000 [ 75.939712][T14988] R10: 00000000200000c0 R11: 0000000000000246 R12: 00000000006dcc4c [ 75.959304][T14990] RDX: 0000000000000003 RSI: 0000000000000001 RDI: 0000000000000005 [ 75.967249][T14988] R13: 00007ffca293c5df R14: 00007ff0cd0679c0 R15: 0000000000000064 [ 75.975627][T14990] RBP: 00000000006dcc40 R08: 0000000000000000 R09: 0000000000000000 [ 76.031429][T14990] R10: 00000000200000c0 R11: 0000000000000246 R12: 00000000006dcc4c [ 76.039517][T14990] R13: 00007ffca293c5df R14: 00007ff0cd0679c0 R15: 0000000000000064 [ 76.047485][T14990] irq event stamp: 660 [ 76.051547][T14990] hardirqs last enabled at (659): [] call_rcu+0x360/0x7e0 [ 76.060293][T14990] hardirqs last disabled at (660): [] kmem_cache_free.part.0+0x3e/0x1f0 [ 76.070165][T14990] softirqs last enabled at (94): [] __do_sys_bpf+0xcda/0x4b30 [ 76.079250][T14990] softirqs last disabled at (92): [] __do_sys_bpf+0xc62/0x4b30 [ 76.088329][T14990] ---[ end trace df9f7678eeedc514 ]--- [ 76.093763][T14990] ------------[ cut here ]------------ [ 76.099201][T14990] ODEBUG: free active (active state 1) object type: rcu_head hint: 0x0 [ 76.107704][T14990] WARNING: CPU: 0 PID: 14990 at lib/debugobjects.c:485 debug_print_object+0x160/0x250 [ 76.117228][T14990] Modules linked in: [ 76.121280][T14990] CPU: 0 PID: 14990 Comm: syz-executor980 Tainted: G W 5.9.0-rc1-syzkaller #0 [ 76.131400][T14990] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.141438][T14990] RIP: 0010:debug_print_object+0x160/0x250 [ 76.147240][T14990] Code: dd a0 4f 94 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd a0 4f 94 88 48 c7 c7 00 45 94 88 e8 72 b6 a5 fd <0f> 0b 83 05 03 2b 13 07 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 76.166832][T14990] RSP: 0018:ffffc9000e497dd0 EFLAGS: 00010082 [ 76.172895][T14990] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 76.180851][T14990] RDX: ffff88809cdee040 RSI: ffffffff815db3b7 RDI: fffff52001c92fac [ 76.188819][T14990] RBP: 0000000000000003 R08: 0000000000000001 R09: ffff8880ae620f8b [ 76.196802][T14990] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff89bd69c0 [ 76.204761][T14990] R13: 0000000000000000 R14: dead000000000100 R15: dffffc0000000000 [ 76.212743][T14990] FS: 00007ff0cd067700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 76.221840][T14990] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.228407][T14990] CR2: 00007ff0cd066e78 CR3: 00000000a7d19000 CR4: 00000000001506f0 [ 76.236451][T14990] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.244941][T14990] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.252892][T14990] Call Trace: [ 76.256173][T14990] debug_check_no_obj_freed+0x301/0x41c [ 76.261716][T14990] kmem_cache_free.part.0+0x16d/0x1f0 [ 76.267085][T14990] task_work_run+0xdd/0x190 [ 76.271577][T14990] exit_to_user_mode_prepare+0x195/0x1c0 [ 76.277191][T14990] syscall_exit_to_user_mode+0x59/0x2b0 [ 76.282736][T14990] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 76.288605][T14990] RIP: 0033:0x4473e9 [ 76.292486][T14990] Code: e8 ac e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb 05 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 76.312080][T14990] RSP: 002b:00007ff0cd066db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 [ 76.320469][T14990] RAX: 0000000000000000 RBX: 00000000006dcc48 RCX: 00000000004473e9 [ 76.328423][T14990] RDX: 0000000000000003 RSI: 0000000000000001 RDI: 0000000000000005 [ 76.336374][T14990] RBP: 00000000006dcc40 R08: 0000000000000000 R09: 0000000000000000 [ 76.344444][T14990] R10: 00000000200000c0 R11: 0000000000000246 R12: 00000000006dcc4c [ 76.352411][T14990] R13: 00007ffca293c5df R14: 00007ff0cd0679c0 R15: 0000000000000064 [ 76.360378][T14990] irq event stamp: 660 [ 76.364432][T14990] hardirqs last enabled at (659): [] call_rcu+0x360/0x7e0 [ 76.373296][T14990] hardirqs last disabled at (660): [] kmem_cache_free.part.0+0x3e/0x1f0 [ 76.383171][T14990] softirqs last enabled at (94): [] __do_sys_bpf+0xcda/0x4b30 [ 76.392303][T14990] softirqs last disabled at (92): [] __do_sys_bpf+0xc62/0x4b30 [ 76.401386][T14990] ---[ end trace df9f7678eeedc515 ]--- [ 76.406917][T14990] ------------[ cut here ]------------ [ 76.412361][T14990] ODEBUG: free active (active state 1) object type: rcu_head hint: 0x0 [ 76.420863][T14990] WARNING: CPU: 0 PID: 14990 at lib/debugobjects.c:485 debug_print_object+0x160/0x250 [ 76.430400][T14990] Modules linked in: [ 76.434292][T14990] CPU: 0 PID: 14990 Comm: syz-executor980 Tainted: G W 5.9.0-rc1-syzkaller #0 [ 76.444537][T14990] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.455116][T14990] RIP: 0010:debug_print_object+0x160/0x250 [ 76.460903][T14990] Code: dd a0 4f 94 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd a0 4f 94 88 48 c7 c7 00 45 94 88 e8 72 b6 a5 fd <0f> 0b 83 05 03 2b 13 07 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 76.480586][T14990] RSP: 0018:ffffc9000e497dd0 EFLAGS: 00010082 [ 76.486632][T14990] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 76.494587][T14990] RDX: ffff88809cdee040 RSI: ffffffff815db3b7 RDI: fffff52001c92fac [ 76.502544][T14990] RBP: 0000000000000004 R08: 0000000000000001 R09: ffff8880ae620f8b [ 76.510593][T14990] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff89bd69c0 [ 76.518909][T14990] R13: 0000000000000000 R14: dead000000000100 R15: dffffc0000000000 [ 76.526875][T14990] FS: 00007ff0cd067700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 76.536849][T14990] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.543416][T14990] CR2: 00007ff0cd066e78 CR3: 00000000a7d19000 CR4: 00000000001506f0 [ 76.551379][T14990] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.559344][T14990] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.567297][T14990] Call Trace: [ 76.570588][T14990] debug_check_no_obj_freed+0x301/0x41c [ 76.576127][T14990] kmem_cache_free.part.0+0x16d/0x1f0 [ 76.581479][T14990] task_work_run+0xdd/0x190 [ 76.585968][T14990] exit_to_user_mode_prepare+0x195/0x1c0 [ 76.591583][T14990] syscall_exit_to_user_mode+0x59/0x2b0 [ 76.597201][T14990] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 76.603071][T14990] RIP: 0033:0x4473e9 [ 76.606949][T14990] Code: e8 ac e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb 05 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 76.626546][T14990] RSP: 002b:00007ff0cd066db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 [ 76.634936][T14990] RAX: 0000000000000000 RBX: 00000000006dcc48 RCX: 00000000004473e9 [ 76.642888][T14990] RDX: 0000000000000003 RSI: 0000000000000001 RDI: 0000000000000005 [ 76.650839][T14990] RBP: 00000000006dcc40 R08: 0000000000000000 R09: 0000000000000000 [ 76.659675][T14990] R10: 00000000200000c0 R11: 0000000000000246 R12: 00000000006dcc4c [ 76.667888][T14990] R13: 00007ffca293c5df R14: 00007ff0cd0679c0 R15: 0000000000000064 [ 76.675863][T14990] irq event stamp: 660 [ 76.679913][T14990] hardirqs last enabled at (659): [] call_rcu+0x360/0x7e0 [ 76.688739][T14990] hardirqs last disabled at (660): [] kmem_cache_free.part.0+0x3e/0x1f0 [ 76.698794][T14990] softirqs last enabled at (94): [] __do_sys_bpf+0xcda/0x4b30 [ 76.707879][T14990] softirqs last disabled at (92): [] __do_sys_bpf+0xc62/0x4b30 [ 76.716956][T14990] ---[ end trace df9f7678eeedc516 ]--- [ 76.723351][T14990] ------------[ cut here ]------------ [ 76.728801][T14990] ODEBUG: free active (active state 1) object type: rcu_head hint: 0x0 [ 76.737499][T14990] WARNING: CPU: 0 PID: 14990 at lib/debugobjects.c:485 debug_print_object+0x160/0x250 [ 76.747017][T14990] Modules linked in: [ 76.750902][T14990] CPU: 0 PID: 14990 Comm: syz-executor980 Tainted: G W 5.9.0-rc1-syzkaller #0 [ 76.761030][T14990] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.771074][T14990] RIP: 0010:debug_print_object+0x160/0x250 [ 76.776863][T14990] Code: dd a0 4f 94 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd a0 4f 94 88 48 c7 c7 00 45 94 88 e8 72 b6 a5 fd <0f> 0b 83 05 03 2b 13 07 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 76.796448][T14990] RSP: 0018:ffffc9000e497dd0 EFLAGS: 00010082 [ 76.802496][T14990] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 76.810480][T14990] RDX: ffff88809cdee040 RSI: ffffffff815db3b7 RDI: fffff52001c92fac [ 76.818533][T14990] RBP: 0000000000000005 R08: 0000000000000001 R09: ffff8880ae620f8b [ 76.826496][T14990] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff89bd69c0 [ 76.834539][T14990] R13: 0000000000000000 R14: dead000000000100 R15: dffffc0000000000 [ 76.842493][T14990] FS: 00007ff0cd067700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 76.852877][T14990] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.859442][T14990] CR2: 00007ff0cd066e78 CR3: 00000000a7d19000 CR4: 00000000001506f0 [ 76.867398][T14990] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.878739][T14990] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.886686][T14990] Call Trace: [ 76.889964][T14990] debug_check_no_obj_freed+0x301/0x41c [ 76.895499][T14990] kmem_cache_free.part.0+0x16d/0x1f0 [ 76.900850][T14990] task_work_run+0xdd/0x190 [ 76.905350][T14990] exit_to_user_mode_prepare+0x195/0x1c0 [ 76.910963][T14990] syscall_exit_to_user_mode+0x59/0x2b0 [ 76.916493][T14990] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 76.922384][T14990] RIP: 0033:0x4473e9 [ 76.926264][T14990] Code: e8 ac e7 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb 05 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 76.946460][T14990] RSP: 002b:00007ff0cd066db8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 [ 76.954853][T14990] RAX: 0000000000000000 RBX: 00000000006dcc48 RCX: 00000000004473e9 [ 76.962928][T14990] RDX: 0000000000000003 RSI: 0000000000000001 RDI: 0000000000000005 [ 76.971487][T14990] RBP: 00000000006dcc40 R08: 0000000000000000 R09: 0000000000000000 [ 76.979438][T14990] R10: 00000000200000c0 R11: 0000000000000246 R12: 00000000006dcc4c [ 76.987478][T14990] R13: 00007ffca293c5df R14: 00007ff0cd0679c0 R15: 0000000000000064 [ 76.995610][T14990] irq event stamp: 660 [ 76.999748][T14990] hardirqs last enabled at (659): [] call_rcu+0x360/0x7e0 [ 77.008502][T14990] hardirqs last disabled at (660): [] kmem_cache_free.part.0+0x3e/0x1f0 [ 77.018384][T14990] softirqs last enabled at (94): [] __do_sys_bpf+0xcda/0x4b30 [ 77.027617][T14990] softirqs last disabled at (92): [] __do_sys_bpf+0xc62/0x4b30 [ 77.036811][T14990] ---[ end trace df9f7678eeedc517 ]--- [ 77.105215][T14988] Shutting down cpus with NMI [ 77.111168][T14988] Kernel Offset: disabled [ 77.115543][T14988] Rebooting in 86400 seconds..