Warning: Permanently added '10.128.0.147' (ECDSA) to the list of known hosts. syzkaller login: [ 150.489379][ T6911] IPVS: ftp: loaded support on port[0] = 21 [ 150.492477][ T6907] IPVS: ftp: loaded support on port[0] = 21 [ 150.496456][ T6913] IPVS: ftp: loaded support on port[0] = 21 [ 150.506500][ T6914] IPVS: ftp: loaded support on port[0] = 21 [ 150.518397][ T6915] IPVS: ftp: loaded support on port[0] = 21 [ 150.522523][ T6912] 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 176.049422][T18902] ------------[ cut here ]------------ [ 176.055123][T18902] ODEBUG: free active (active state 1) object type: rcu_head hint: 0x0 [ 176.063794][T18902] WARNING: CPU: 0 PID: 18902 at lib/debugobjects.c:485 debug_print_object+0x160/0x250 [ 176.073339][T18902] Kernel panic - not syncing: panic_on_warn set ... [ 176.080053][T18902] CPU: 0 PID: 18902 Comm: syz-executor197 Not tainted 5.9.0-rc1-syzkaller #0 [ 176.088897][T18902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 executing program executing program [ 176.099049][T18902] Call Trace: [ 176.102352][T18902] dump_stack+0x18f/0x20d [ 176.106696][T18902] panic+0x2e3/0x75c [ 176.110607][T18902] ? __warn_printk+0xf3/0xf3 [ 176.115213][T18902] ? console_unlock+0x7f0/0xf30 [ 176.120079][T18902] ? __warn.cold+0x5/0x4a [ 176.124593][T18902] ? __warn+0xd6/0x1f2 [ 176.128676][T18902] ? debug_print_object+0x160/0x250 [ 176.134006][T18902] __warn.cold+0x20/0x4a [ 176.138263][T18902] ? debug_print_object+0x160/0x250 [ 176.143474][T18902] report_bug+0x1bd/0x210 [ 176.147814][T18902] handle_bug+0x38/0x90 [ 176.148576][T18908] ------------[ cut here ]------------ [ 176.151977][T18902] ? __warn_printk+0xc6/0xf3 [ 176.157425][T18908] ODEBUG: free active (active state 1) object type: rcu_head hint: 0x0 [ 176.162036][T18902] exc_invalid_op+0x14/0x40 [ 176.170760][T18908] WARNING: CPU: 1 PID: 18908 at lib/debugobjects.c:485 debug_print_object+0x160/0x250 [ 176.174942][T18902] asm_exc_invalid_op+0x12/0x20 [ 176.184449][T18908] Modules linked in: [ 176.189304][T18902] RIP: 0010:debug_print_object+0x160/0x250 [ 176.193178][T18908] CPU: 1 PID: 18908 Comm: syz-executor197 Not tainted 5.9.0-rc1-syzkaller #0 [ 176.198968][T18902] Code: dd e0 26 94 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd e0 26 94 88 48 c7 c7 40 1c 94 88 e8 e2 3a a6 fd <0f> 0b 83 05 23 95 13 07 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 176.207694][T18908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 176.207716][T18908] RIP: 0010:debug_print_object+0x160/0x250 [ 176.227298][T18902] RSP: 0018:ffffc9000d4b7dd0 EFLAGS: 00010082 [ 176.237346][T18908] Code: dd e0 26 94 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd e0 26 94 88 48 c7 c7 40 1c 94 88 e8 e2 3a a6 fd <0f> 0b 83 05 23 95 13 07 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 176.243167][T18902] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 176.243181][T18902] RDX: ffff8880918f2240 RSI: ffffffff815dafc7 RDI: fffff52001a96fac [ 176.249230][T18908] RSP: 0018:ffffc9000dfc7dd0 EFLAGS: 00010082 [ 176.268864][T18902] RBP: 0000000000000001 R08: 0000000000000001 R09: ffff8880ae620f8b [ 176.268877][T18902] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff89bd6780 [ 176.276832][T18908] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 176.276846][T18908] RDX: ffff8880865a03c0 RSI: ffffffff815dafc7 RDI: fffff52001bf8fac [ 176.284798][T18902] R13: 0000000000000000 R14: dead000000000100 R15: dffffc0000000000 [ 176.284822][T18902] ? vprintk_func+0x97/0x1a6 [ 176.290857][T18908] RBP: 0000000000000002 R08: 0000000000000001 R09: ffff8880ae720f8b [ 176.290870][T18908] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff89bd6780 [ 176.298842][T18902] debug_check_no_obj_freed+0x301/0x41c [ 176.306876][T18908] R13: 0000000000000000 R14: dead000000000100 R15: dffffc0000000000 [ 176.314889][T18902] kmem_cache_free.part.0+0x16d/0x1f0 [ 176.322880][T18908] FS: 00007fed54266700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 176.331046][T18902] task_work_run+0xdd/0x190 [ 176.335607][T18908] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 176.335620][T18908] CR2: 0000000020001100 CR3: 0000000094c38000 CR4: 00000000001506e0 [ 176.343584][T18902] exit_to_user_mode_prepare+0x195/0x1c0 [ 176.351536][T18908] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 176.357067][T18902] syscall_exit_to_user_mode+0x59/0x2b0 [ 176.365013][T18908] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 176.365022][T18908] Call Trace: [ 176.370422][T18902] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 176.379522][T18908] debug_check_no_obj_freed+0x301/0x41c [ 176.384003][T18902] RIP: 0033:0x446aa9 [ 176.390577][T18908] kmem_cache_free.part.0+0x16d/0x1f0 [ 176.398532][T18902] Code: e8 6c 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 5b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 176.404146][T18908] task_work_run+0xdd/0x190 [ 176.412314][T18902] RSP: 002b:00007fed54265d88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 [ 176.417860][T18908] exit_to_user_mode_prepare+0x195/0x1c0 [ 176.425804][T18902] RAX: 0000000000000000 RBX: 00000000006dbc48 RCX: 0000000000446aa9 [ 176.425817][T18902] RDX: 0000000000000003 RSI: 0000000000000001 RDI: 0000000000000004 [ 176.429093][T18908] syscall_exit_to_user_mode+0x59/0x2b0 [ 176.434952][T18902] RBP: 00000000006dbc40 R08: 0000000000000000 R09: 0000000000000000 [ 176.434965][T18902] R10: 0000000020001100 R11: 0000000000000246 R12: 00000000006dbc4c [ 176.440497][T18908] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 176.444369][T18902] R13: 0000000000000005 R14: 0000000000000004 R15: 00007fed542666d0 [ 176.449721][T18908] RIP: 0033:0x446aa9 [ 176.543535][T18908] Code: e8 6c 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 5b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 176.563129][T18908] RSP: 002b:00007fed54265d88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 [ 176.571534][T18908] RAX: 0000000000000000 RBX: 00000000006dbc48 RCX: 0000000000446aa9 [ 176.579571][T18908] RDX: 0000000000000003 RSI: 0000000000000001 RDI: 0000000000000004 [ 176.587534][T18908] RBP: 00000000006dbc40 R08: 0000000000000000 R09: 0000000000000000 [ 176.595543][T18908] R10: 0000000020001100 R11: 0000000000000246 R12: 00000000006dbc4c [ 176.603510][T18908] R13: 0000000000000005 R14: 0000000000000004 R15: 00007fed542666d0 [ 176.611489][T18908] irq event stamp: 822 [ 176.615556][T18908] hardirqs last enabled at (821): [] call_rcu+0x360/0x7e0 [ 176.624501][T18908] hardirqs last disabled at (822): [] kmem_cache_free.part.0+0x3e/0x1f0 [ 176.634544][T18908] softirqs last enabled at (0): [] copy_process+0x1a99/0x6920 [ 176.643873][T18908] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 176.650965][T18908] ---[ end trace 2969ed4ca7fe3504 ]--- [ 176.656465][T18908] ------------[ cut here ]------------ [ 176.661913][T18908] ODEBUG: free active (active state 1) object type: rcu_head hint: 0x0 [ 176.670538][T18908] WARNING: CPU: 1 PID: 18908 at lib/debugobjects.c:485 debug_print_object+0x160/0x250 [ 176.680065][T18908] Modules linked in: [ 176.684080][T18908] CPU: 1 PID: 18908 Comm: syz-executor197 Tainted: G W 5.9.0-rc1-syzkaller #0 [ 176.694339][T18908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 176.704392][T18908] RIP: 0010:debug_print_object+0x160/0x250 [ 176.710276][T18908] Code: dd e0 26 94 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd e0 26 94 88 48 c7 c7 40 1c 94 88 e8 e2 3a a6 fd <0f> 0b 83 05 23 95 13 07 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 176.729871][T18908] RSP: 0018:ffffc9000dfc7dd0 EFLAGS: 00010082 [ 176.735924][T18908] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 176.743883][T18908] RDX: ffff8880865a03c0 RSI: ffffffff815dafc7 RDI: fffff52001bf8fac [ 176.751848][T18908] RBP: 0000000000000003 R08: 0000000000000001 R09: ffff8880ae720f8b [ 176.759810][T18908] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff89bd6780 [ 176.767834][T18908] R13: 0000000000000000 R14: dead000000000100 R15: dffffc0000000000 [ 176.775799][T18908] FS: 00007fed54266700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 176.784757][T18908] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 176.791350][T18908] CR2: 0000000020001100 CR3: 0000000094c38000 CR4: 00000000001506e0 [ 176.799313][T18908] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 176.807276][T18908] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 176.815237][T18908] Call Trace: [ 176.818533][T18908] debug_check_no_obj_freed+0x301/0x41c [ 176.824167][T18908] kmem_cache_free.part.0+0x16d/0x1f0 [ 176.829572][T18908] task_work_run+0xdd/0x190 [ 176.834076][T18908] exit_to_user_mode_prepare+0x195/0x1c0 [ 176.839701][T18908] syscall_exit_to_user_mode+0x59/0x2b0 [ 176.845242][T18908] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 176.851124][T18908] RIP: 0033:0x446aa9 [ 176.855014][T18908] Code: e8 6c 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 5b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 176.874648][T18908] RSP: 002b:00007fed54265d88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 [ 176.883064][T18908] RAX: 0000000000000000 RBX: 00000000006dbc48 RCX: 0000000000446aa9 [ 176.891030][T18908] RDX: 0000000000000003 RSI: 0000000000000001 RDI: 0000000000000004 [ 176.898997][T18908] RBP: 00000000006dbc40 R08: 0000000000000000 R09: 0000000000000000 [ 176.906962][T18908] R10: 0000000020001100 R11: 0000000000000246 R12: 00000000006dbc4c [ 176.914928][T18908] R13: 0000000000000005 R14: 0000000000000004 R15: 00007fed542666d0 [ 176.922899][T18908] irq event stamp: 822 [ 176.926963][T18908] hardirqs last enabled at (821): [] call_rcu+0x360/0x7e0 [ 176.935846][T18908] hardirqs last disabled at (822): [] kmem_cache_free.part.0+0x3e/0x1f0 [ 176.946083][T18908] softirqs last enabled at (0): [] copy_process+0x1a99/0x6920 [ 176.955369][T18908] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 176.962527][T18908] ---[ end trace 2969ed4ca7fe3505 ]--- [ 176.967973][T18908] ------------[ cut here ]------------ [ 176.973420][T18908] ODEBUG: free active (active state 1) object type: rcu_head hint: 0x0 [ 176.982050][T18908] WARNING: CPU: 1 PID: 18908 at lib/debugobjects.c:485 debug_print_object+0x160/0x250 [ 176.991677][T18908] Modules linked in: [ 176.995609][T18908] CPU: 1 PID: 18908 Comm: syz-executor197 Tainted: G W 5.9.0-rc1-syzkaller #0 [ 177.005743][T18908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 177.015795][T18908] RIP: 0010:debug_print_object+0x160/0x250 [ 177.021590][T18908] Code: dd e0 26 94 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd e0 26 94 88 48 c7 c7 40 1c 94 88 e8 e2 3a a6 fd <0f> 0b 83 05 23 95 13 07 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 177.041315][T18908] RSP: 0018:ffffc9000dfc7dd0 EFLAGS: 00010082 [ 177.047369][T18908] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 177.055334][T18908] RDX: ffff8880865a03c0 RSI: ffffffff815dafc7 RDI: fffff52001bf8fac [ 177.063297][T18908] RBP: 0000000000000004 R08: 0000000000000001 R09: ffff8880ae720f8b [ 177.071274][T18908] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff89bd6780 [ 177.079254][T18908] R13: 0000000000000000 R14: dead000000000100 R15: dffffc0000000000 [ 177.087221][T18908] FS: 00007fed54266700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 177.096180][T18908] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 177.102755][T18908] CR2: 0000000020001100 CR3: 0000000094c38000 CR4: 00000000001506e0 [ 177.110722][T18908] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 177.118686][T18908] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 177.126732][T18908] Call Trace: [ 177.130068][T18908] debug_check_no_obj_freed+0x301/0x41c [ 177.135612][T18908] kmem_cache_free.part.0+0x16d/0x1f0 [ 177.140975][T18908] task_work_run+0xdd/0x190 [ 177.145477][T18908] exit_to_user_mode_prepare+0x195/0x1c0 [ 177.151154][T18908] syscall_exit_to_user_mode+0x59/0x2b0 [ 177.156695][T18908] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 177.162614][T18908] RIP: 0033:0x446aa9 [ 177.166505][T18908] Code: e8 6c 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 5b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 177.186188][T18908] RSP: 002b:00007fed54265d88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 [ 177.194630][T18908] RAX: 0000000000000000 RBX: 00000000006dbc48 RCX: 0000000000446aa9 [ 177.202632][T18908] RDX: 0000000000000003 RSI: 0000000000000001 RDI: 0000000000000004 [ 177.210595][T18908] RBP: 00000000006dbc40 R08: 0000000000000000 R09: 0000000000000000 [ 177.218598][T18908] R10: 0000000020001100 R11: 0000000000000246 R12: 00000000006dbc4c [ 177.226564][T18908] R13: 0000000000000005 R14: 0000000000000004 R15: 00007fed542666d0 [ 177.234577][T18908] irq event stamp: 822 [ 177.238646][T18908] hardirqs last enabled at (821): [] call_rcu+0x360/0x7e0 [ 177.247400][T18908] hardirqs last disabled at (822): [] kmem_cache_free.part.0+0x3e/0x1f0 [ 177.257483][T18908] softirqs last enabled at (0): [] copy_process+0x1a99/0x6920 [ 177.266578][T18908] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 177.273672][T18908] ---[ end trace 2969ed4ca7fe3506 ]--- [ 177.279207][T18908] ------------[ cut here ]------------ [ 177.284655][T18908] ODEBUG: free active (active state 1) object type: rcu_head hint: 0x0 [ 177.293236][T18908] WARNING: CPU: 1 PID: 18908 at lib/debugobjects.c:485 debug_print_object+0x160/0x250 [ 177.302759][T18908] Modules linked in: [ 177.306645][T18908] CPU: 1 PID: 18908 Comm: syz-executor197 Tainted: G W 5.9.0-rc1-syzkaller #0 [ 177.316949][T18908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 177.327006][T18908] RIP: 0010:debug_print_object+0x160/0x250 [ 177.332928][T18908] Code: dd e0 26 94 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd e0 26 94 88 48 c7 c7 40 1c 94 88 e8 e2 3a a6 fd <0f> 0b 83 05 23 95 13 07 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 177.352608][T18908] RSP: 0018:ffffc9000dfc7dd0 EFLAGS: 00010082 [ 177.358662][T18908] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 177.366627][T18908] RDX: ffff8880865a03c0 RSI: ffffffff815dafc7 RDI: fffff52001bf8fac [ 177.374629][T18908] RBP: 0000000000000005 R08: 0000000000000001 R09: ffff8880ae720f8b [ 177.382588][T18908] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff89bd6780 [ 177.390636][T18908] R13: 0000000000000000 R14: dead000000000100 R15: dffffc0000000000 [ 177.398656][T18908] FS: 00007fed54266700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 177.407573][T18908] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 177.414191][T18908] CR2: 0000000020001100 CR3: 0000000094c38000 CR4: 00000000001506e0 [ 177.422160][T18908] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 177.430165][T18908] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 177.438127][T18908] Call Trace: [ 177.441421][T18908] debug_check_no_obj_freed+0x301/0x41c [ 177.446967][T18908] kmem_cache_free.part.0+0x16d/0x1f0 [ 177.452335][T18908] task_work_run+0xdd/0x190 [ 177.456923][T18908] exit_to_user_mode_prepare+0x195/0x1c0 [ 177.462635][T18908] syscall_exit_to_user_mode+0x59/0x2b0 [ 177.468231][T18908] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 177.474114][T18908] RIP: 0033:0x446aa9 [ 177.478006][T18908] Code: e8 6c 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 5b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 177.497687][T18908] RSP: 002b:00007fed54265d88 EFLAGS: 00000246 ORIG_RAX: 00000000000000e9 [ 177.506106][T18908] RAX: 0000000000000000 RBX: 00000000006dbc48 RCX: 0000000000446aa9 [ 177.514280][T18908] RDX: 0000000000000003 RSI: 0000000000000001 RDI: 0000000000000004 [ 177.522415][T18908] RBP: 00000000006dbc40 R08: 0000000000000000 R09: 0000000000000000 [ 177.530378][T18908] R10: 0000000020001100 R11: 0000000000000246 R12: 00000000006dbc4c [ 177.538339][T18908] R13: 0000000000000005 R14: 0000000000000004 R15: 00007fed542666d0 [ 177.546319][T18908] irq event stamp: 822 [ 177.550384][T18908] hardirqs last enabled at (821): [] call_rcu+0x360/0x7e0 [ 177.559137][T18908] hardirqs last disabled at (822): [] kmem_cache_free.part.0+0x3e/0x1f0 [ 177.569246][T18908] softirqs last enabled at (0): [] copy_process+0x1a99/0x6920 [ 177.578341][T18908] softirqs last disabled at (0): [<0000000000000000>] 0x0 [ 177.585483][T18908] ---[ end trace 2969ed4ca7fe3507 ]--- [ 177.596806][T18902] Shutting down cpus with NMI [ 177.603139][T18902] Kernel Offset: disabled [ 177.607517][T18902] Rebooting in 86400 seconds..