Warning: Permanently added '10.128.0.198' (ECDSA) to the list of known hosts. 2021/05/02 18:39:10 fuzzer started 2021/05/02 18:39:11 dialing manager at 10.128.0.169:44661 syzkaller login: [ 67.902454][ T8428] general protection fault, probably for non-canonical address 0xe00000201ffffd40: 0000 [#1] PREEMPT SMP KASAN [ 67.914312][ T8428] KASAN: probably user-memory-access in range [0x00002100ffffea00-0x00002100ffffea07] [ 67.923833][ T8428] CPU: 0 PID: 8428 Comm: syz-executor Not tainted 5.12.0-rc8-next-20210423-syzkaller #0 [ 67.933546][ T8428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.943582][ T8428] RIP: 0010:find_entry.isra.0+0xdd/0x1e0 [ 67.949212][ T8428] Code: 89 f8 48 c1 e8 03 42 80 3c 28 00 0f 85 d1 00 00 00 49 89 dc 4d 2b 66 40 49 c1 fc 05 49 c1 e4 06 49 01 ec 4c 89 e0 48 c1 e8 03 <42> 80 3c 28 00 0f 85 a0 00 00 00 49 8b 2c 24 48 89 ef e8 0c 3e fb [ 67.968828][ T8428] RSP: 0018:ffffc9000167f840 EFLAGS: 00010202 [ 67.974878][ T8428] RAX: 000004201ffffd40 RBX: ffff888024c40050 RCX: 0000000000000000 [ 67.982832][ T8428] RDX: ffff88802530b900 RSI: ffffffff81eef73f RDI: ffff888024c40040 [ 67.990841][ T8428] RBP: 00002100ffffea00 R08: 0000000000000000 R09: 0000000000000003 [ 67.998810][ T8428] R10: ffffffff81eef705 R11: 0000000000000000 R12: 00002100ffffea00 [ 68.006764][ T8428] R13: dffffc0000000000 R14: ffff888024c40000 R15: 0000000000000010 [ 68.014728][ T8428] FS: 00000000028e9400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 68.023691][ T8428] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.030256][ T8428] CR2: 00000000004af0b8 CR3: 000000001a187000 CR4: 00000000001506f0 [ 68.038210][ T8428] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.046161][ T8428] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.054113][ T8428] Call Trace: [ 68.057377][ T8428] proc_sys_lookup+0x171/0x590 [ 68.062128][ T8428] ? proc_sys_poll+0x440/0x440 [ 68.066872][ T8428] ? d_lookup+0x14f/0x170 [ 68.071201][ T8428] lookup_open.isra.0+0x69f/0x13d0 [ 68.076315][ T8428] ? lookup_fast+0x6d0/0x6d0 [ 68.080891][ T8428] ? pwc_dec23_decompress.cold+0x870/0x12f6 [ 68.086784][ T8428] ? pwc_dec23_decompress.cold+0x870/0x12f6 [ 68.092659][ T8428] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 68.098883][ T8428] ? __mnt_want_write+0x1bc/0x2a0 [ 68.103889][ T8428] path_openat+0x9af/0x27d0 [ 68.108376][ T8428] ? path_lookupat+0x850/0x850 [ 68.113120][ T8428] ? mark_lock+0xef/0x17b0 [ 68.117527][ T8428] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 68.124281][ T8428] do_filp_open+0x190/0x3d0 [ 68.128768][ T8428] ? may_open_dev+0xf0/0xf0 [ 68.133346][ T8428] ? rwlock_bug.part.0+0x90/0x90 [ 68.138264][ T8428] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 68.144488][ T8428] ? _find_next_bit+0x1e3/0x260 [ 68.149325][ T8428] ? _raw_spin_unlock+0x24/0x40 [ 68.154159][ T8428] ? alloc_fd+0x2f0/0x670 [ 68.158470][ T8428] do_sys_openat2+0x16d/0x420 [ 68.163126][ T8428] ? build_open_flags+0x6f0/0x6f0 [ 68.168147][ T8428] ? __context_tracking_exit+0xb8/0xe0 [ 68.173588][ T8428] ? lock_downgrade+0x6e0/0x6e0 [ 68.178422][ T8428] __x64_sys_openat+0x13f/0x1f0 [ 68.183276][ T8428] ? __ia32_sys_open+0x1c0/0x1c0 [ 68.188195][ T8428] ? syscall_enter_from_user_mode+0x27/0x70 [ 68.194070][ T8428] do_syscall_64+0x3a/0xb0 [ 68.198470][ T8428] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 68.204345][ T8428] RIP: 0033:0x419667 [ 68.208219][ T8428] Code: 25 00 00 41 00 3d 00 00 41 00 74 47 64 8b 04 25 18 00 00 00 85 c0 75 6b 44 89 e2 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 95 00 00 00 48 8b 4c 24 28 64 48 2b 0c 25 [ 68.227822][ T8428] RSP: 002b:00007ffd2d55d2d0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 68.236233][ T8428] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 0000000000419667 [ 68.244199][ T8428] RDX: 0000000000080001 RSI: 00000000004af1d0 RDI: 00000000ffffff9c [ 68.252150][ T8428] RBP: 00000000004af1d0 R08: 0000000000000000 R09: 00007ffd2d55d2c0 [ 68.260117][ T8428] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000080001 [ 68.268068][ T8428] R13: 00007ffd2d55d370 R14: 0000000000000000 R15: 0000000000400538 [ 68.276024][ T8428] Modules linked in: [ 68.280025][ T8428] ---[ end trace 804386bbb2e8477f ]--- [ 68.285506][ T8428] RIP: 0010:find_entry.isra.0+0xdd/0x1e0 [ 68.291156][ T8428] Code: 89 f8 48 c1 e8 03 42 80 3c 28 00 0f 85 d1 00 00 00 49 89 dc 4d 2b 66 40 49 c1 fc 05 49 c1 e4 06 49 01 ec 4c 89 e0 48 c1 e8 03 <42> 80 3c 28 00 0f 85 a0 00 00 00 49 8b 2c 24 48 89 ef e8 0c 3e fb [ 68.310843][ T8428] RSP: 0018:ffffc9000167f840 EFLAGS: 00010202 [ 68.316948][ T8428] RAX: 000004201ffffd40 RBX: ffff888024c40050 RCX: 0000000000000000 [ 68.324947][ T8428] RDX: ffff88802530b900 RSI: ffffffff81eef73f RDI: ffff888024c40040 [ 68.332943][ T8428] RBP: 00002100ffffea00 R08: 0000000000000000 R09: 0000000000000003 [ 68.340967][ T8428] R10: ffffffff81eef705 R11: 0000000000000000 R12: 00002100ffffea00 [ 68.349073][ T8428] R13: dffffc0000000000 R14: ffff888024c40000 R15: 0000000000000010 [ 68.357076][ T8428] FS: 00000000028e9400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 68.366039][ T8428] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.372625][ T8428] CR2: 00000000004af0b8 CR3: 000000001a187000 CR4: 00000000001506f0 [ 68.380622][ T8428] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.388634][ T8428] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.396638][ T8428] Kernel panic - not syncing: Fatal exception [ 68.403534][ T8428] Kernel Offset: disabled [ 68.407854][ T8428] Rebooting in 86400 seconds..