Warning: Permanently added '10.128.0.75' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 80.916521][ T8902] FAULT_INJECTION: forcing a failure. [ 80.916521][ T8902] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 80.929840][ T8902] CPU: 1 PID: 8902 Comm: syz-executor410 Not tainted 5.4.0-rc7-next-20191113 #0 [ 80.938856][ T8902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.949148][ T8902] Call Trace: [ 80.952470][ T8902] dump_stack+0x197/0x210 [ 80.956808][ T8902] should_fail.cold+0xa/0x15 [ 80.961393][ T8902] ? fault_create_debugfs_attr+0x180/0x180 [ 80.967209][ T8902] ? __kasan_check_read+0x11/0x20 [ 80.972245][ T8902] ? __lock_acquire+0x16f2/0x4a00 [ 80.977253][ T8902] should_fail_alloc_page+0x50/0x60 [ 80.982449][ T8902] __alloc_pages_nodemask+0x1a1/0x910 [ 80.987810][ T8902] ? fs_reclaim_release+0xf/0x30 [ 80.992735][ T8902] ? __alloc_pages_slowpath+0x2900/0x2900 [ 80.998444][ T8902] ? fs_reclaim_release+0xf/0x30 [ 81.003366][ T8902] ? debug_smp_processor_id+0x33/0x18a [ 81.008804][ T8902] ? fault_create_debugfs_attr+0x180/0x180 [ 81.014593][ T8902] cache_grow_begin+0x90/0xd00 [ 81.019354][ T8902] ? io_uring_setup+0x2d7/0x1cc0 [ 81.024274][ T8902] ? trace_hardirqs_off+0x62/0x240 [ 81.029364][ T8902] kmem_cache_alloc+0x64e/0x710 [ 81.034198][ T8902] io_uring_setup+0x2d7/0x1cc0 [ 81.038954][ T8902] ? __sb_end_write+0x115/0x1a0 [ 81.043798][ T8902] ? io_uring_release+0x50/0x50 [ 81.048635][ T8902] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 81.054074][ T8902] ? do_syscall_64+0x26/0x760 [ 81.058732][ T8902] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 81.064790][ T8902] ? do_syscall_64+0x26/0x760 [ 81.069450][ T8902] ? lockdep_hardirqs_on+0x421/0x5e0 [ 81.074719][ T8902] __x64_sys_io_uring_setup+0x54/0x80 [ 81.080096][ T8902] do_syscall_64+0xfa/0x760 [ 81.084581][ T8902] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 81.090472][ T8902] RIP: 0033:0x441229 [ 81.094344][ T8902] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 81.113937][ T8902] RSP: 002b:00007ffd6e8aa078 EFLAGS: 00000246 ORIG_RAX: 00000000000001a9 [ 81.122338][ T8902] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441229 [ 81.130309][ T8902] RDX: 0000000000000002 RSI: 0000000020000140 RDI: 0000000000000d0d [ 81.138260][ T8902] RBP: 00007ffd6e8aa090 R08: 0000000000000001 R09: 0000000000000000 [ 81.146212][ T8902] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 81.154860][ T8902] R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000000 executing program [ 81.218210][ T8903] FAULT_INJECTION: forcing a failure. [ 81.218210][ T8903] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 81.231498][ T8903] CPU: 1 PID: 8903 Comm: syz-executor410 Not tainted 5.4.0-rc7-next-20191113 #0 [ 81.240769][ T8903] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.250815][ T8903] Call Trace: [ 81.254112][ T8903] dump_stack+0x197/0x210 [ 81.258457][ T8903] should_fail.cold+0xa/0x15 [ 81.263030][ T8903] ? fault_create_debugfs_attr+0x180/0x180 [ 81.268819][ T8903] ? ___might_sleep+0x163/0x2c0 [ 81.273665][ T8903] should_fail_alloc_page+0x50/0x60 [ 81.278866][ T8903] __alloc_pages_nodemask+0x1a1/0x910 [ 81.284238][ T8903] ? __alloc_pages_slowpath+0x2900/0x2900 [ 81.289935][ T8903] ? pcpu_alloc_area+0x820/0x820 [ 81.294856][ T8903] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 81.300480][ T8903] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 81.306703][ T8903] alloc_pages_current+0x107/0x210 [ 81.311798][ T8903] __get_free_pages+0xc/0x40 [ 81.316370][ T8903] io_uring_setup+0x8e2/0x1cc0 [ 81.321118][ T8903] ? io_uring_release+0x50/0x50 [ 81.325954][ T8903] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 81.331391][ T8903] ? do_syscall_64+0x26/0x760 [ 81.336049][ T8903] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 81.342180][ T8903] ? do_syscall_64+0x26/0x760 [ 81.346839][ T8903] ? lockdep_hardirqs_on+0x421/0x5e0 [ 81.352110][ T8903] __x64_sys_io_uring_setup+0x54/0x80 [ 81.357462][ T8903] do_syscall_64+0xfa/0x760 [ 81.361965][ T8903] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 81.367839][ T8903] RIP: 0033:0x441229 [ 81.371713][ T8903] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 81.391375][ T8903] RSP: 002b:00007ffd6e8aa078 EFLAGS: 00000246 ORIG_RAX: 00000000000001a9 [ 81.399815][ T8903] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441229 [ 81.407950][ T8903] RDX: 0000000000000002 RSI: 0000000020000140 RDI: 0000000000000d0d [ 81.416064][ T8903] RBP: 00007ffd6e8aa090 R08: 0000000000000001 R09: 0000000000000000 [ 81.424112][ T8903] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 81.432065][ T8903] R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000000 [ 81.441051][ T8903] kasan: CONFIG_KASAN_INLINE enabled [ 81.446492][ T8903] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 81.454541][ T8903] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 81.461455][ T8903] CPU: 1 PID: 8903 Comm: syz-executor410 Not tainted 5.4.0-rc7-next-20191113 #0 [ 81.470448][ T8903] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.480492][ T8903] RIP: 0010:io_commit_cqring+0x1e1/0xdb0 [ 81.486116][ T8903] Code: 03 0f 8e df 09 00 00 48 8b 45 d0 4c 8d a3 c0 00 00 00 4c 89 e2 48 c1 ea 03 44 8b b8 c0 01 00 00 48 b8 00 00 00 00 00 fc ff df <0f> b6 14 02 4c 89 e0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 61 [ 81.505788][ T8903] RSP: 0018:ffff88808f51fc08 EFLAGS: 00010006 [ 81.511831][ T8903] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff815abe4a [ 81.519795][ T8903] RDX: 0000000000000018 RSI: ffffffff81d168d5 RDI: ffff8880a9166100 [ 81.527753][ T8903] RBP: ffff88808f51fc70 R08: 0000000000000004 R09: ffffed1011ea3f7d [ 81.535790][ T8903] R10: ffffed1011ea3f7c R11: 0000000000000003 R12: 00000000000000c0 [ 81.543740][ T8903] R13: ffff8880a91661c0 R14: 1ffff1101522cc10 R15: 0000000000000000 [ 81.551693][ T8903] FS: 0000000001e7a880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 81.560599][ T8903] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.567158][ T8903] CR2: 0000000020000140 CR3: 000000009a74c000 CR4: 00000000001406e0 [ 81.575117][ T8903] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 81.583084][ T8903] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 81.591040][ T8903] Call Trace: [ 81.594336][ T8903] io_cqring_overflow_flush+0x6b9/0xa90 [ 81.599867][ T8903] ? lock_downgrade+0x920/0x920 [ 81.604711][ T8903] ? io_timeout_cancel+0x2c0/0x2c0 [ 81.609800][ T8903] ? lockdep_hardirqs_on+0x421/0x5e0 [ 81.615062][ T8903] ? trace_hardirqs_on+0x67/0x240 [ 81.620063][ T8903] ? __kasan_check_read+0x11/0x20 [ 81.625066][ T8903] io_ring_ctx_wait_and_kill+0x24f/0x7c0 [ 81.630678][ T8903] io_uring_setup+0x1256/0x1cc0 [ 81.635599][ T8903] ? io_uring_release+0x50/0x50 [ 81.640445][ T8903] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 81.645968][ T8903] ? do_syscall_64+0x26/0x760 [ 81.650650][ T8903] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 81.656701][ T8903] ? do_syscall_64+0x26/0x760 [ 81.661462][ T8903] ? lockdep_hardirqs_on+0x421/0x5e0 [ 81.666728][ T8903] __x64_sys_io_uring_setup+0x54/0x80 [ 81.672080][ T8903] do_syscall_64+0xfa/0x760 [ 81.676565][ T8903] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 81.682433][ T8903] RIP: 0033:0x441229 [ 81.686392][ T8903] Code: e8 5c ae 02 00 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 bb 0a fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 81.705976][ T8903] RSP: 002b:00007ffd6e8aa078 EFLAGS: 00000246 ORIG_RAX: 00000000000001a9 [ 81.714362][ T8903] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441229 [ 81.722313][ T8903] RDX: 0000000000000002 RSI: 0000000020000140 RDI: 0000000000000d0d [ 81.730279][ T8903] RBP: 00007ffd6e8aa090 R08: 0000000000000001 R09: 0000000000000000 [ 81.738243][ T8903] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 81.746227][ T8903] R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000000 [ 81.754295][ T8903] Modules linked in: [ 81.758183][ T8903] ---[ end trace b0f5b127a57f623f ]--- [ 81.763675][ T8903] RIP: 0010:io_commit_cqring+0x1e1/0xdb0 [ 81.769290][ T8903] Code: 03 0f 8e df 09 00 00 48 8b 45 d0 4c 8d a3 c0 00 00 00 4c 89 e2 48 c1 ea 03 44 8b b8 c0 01 00 00 48 b8 00 00 00 00 00 fc ff df <0f> b6 14 02 4c 89 e0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 61 [ 81.789010][ T8903] RSP: 0018:ffff88808f51fc08 EFLAGS: 00010006 [ 81.795077][ T8903] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffffff815abe4a [ 81.803059][ T8903] RDX: 0000000000000018 RSI: ffffffff81d168d5 RDI: ffff8880a9166100 [ 81.811036][ T8903] RBP: ffff88808f51fc70 R08: 0000000000000004 R09: ffffed1011ea3f7d [ 81.818983][ T8903] R10: ffffed1011ea3f7c R11: 0000000000000003 R12: 00000000000000c0 [ 81.826932][ T8903] R13: ffff8880a91661c0 R14: 1ffff1101522cc10 R15: 0000000000000000 [ 81.834970][ T8903] FS: 0000000001e7a880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 81.843886][ T8903] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 81.850448][ T8903] CR2: 0000000020000140 CR3: 000000009a74c000 CR4: 00000000001406e0 [ 81.858396][ T8903] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 81.866355][ T8903] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 81.874387][ T8903] Kernel panic - not syncing: Fatal exception [ 81.882138][ T8903] Kernel Offset: disabled [ 81.886460][ T8903] Rebooting in 86400 seconds..